Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS3347417 A
Publication typeGrant
Publication dateOct 17, 1967
Filing dateAug 23, 1965
Priority dateAug 23, 1965
Publication numberUS 3347417 A, US 3347417A, US-A-3347417, US3347417 A, US3347417A
InventorsPuster Louis M
Original AssigneeReynolds Metals Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Charged liquid dispenser with pocketed gas container
US 3347417 A
Abstract  available in
Images(3)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

1.. M. PUSTER 3,347,417 ENSER WITH POCKETED GAS CONTAINER Oct. 17, 1967 CHARGED LIQUID DISP Filed Aug. 23, 1965 5 $heets*Sheet 1 LOUIS M.

0.: YE N9 Q ha mwwu fi I m (\J INVENTOR.

PUSTER y mm.

g 4 mm x. o9 vw v 02 mm HIS ATTORNEYS 1.. M. PUSTER 3,34%417 SER WITH POCKETED GAS CONTAINER Oct. 17, 1967 CHARGED LIQUID DISPEN a Sheets-Sheet 2 Filed Aug. 23, 1965 Om O2 INVENTORQ LOUIS M. PUSTER HIS ATTORNEYS Oct. 17, 1967 1... M. FUSTER 3,347,417 CHARGED LIQUID DISPENSER WITH POGKETED Filed Aug. 23, 1965 GAS CONTAINER 3 Sheets$heet 5 INVENTOR. LOUIS M. I PUSTER HIS ATTORNEYS United States Patent Ofifice 3,347,411 Patented Oct. 17, 1967 ABSTRACT OF THE DISCLOSURE This application discloses a charged liquid containing dispenser shell with a liquid filling end wall having a countersunk pocket and a liquid filling and emptying opening spaced from the pocket opening. The pocket contains a high pressure charging gas container with a gas charging check valve at the center of the pocket opening. The gas container has an automatic gas expansion valve at its inner end that discharges reduced pressure gas into the gas charged liquid in the liquid dispenser shell. The charging gas container has a massive cylindrical end wall with an extruded relatively thin gas containing cylindrical wall with its end inwardy cured and holding the gas containing check valve. The massive end wall contains the expansion valve and an expanded gas chamber.

This invention relates to a charged liquid dispenser with pocketed gas container.

One of the features of this invention includes a charged liquid dispenser which has a countersunk pocket within which is located a charging gas container, with the gas container being normally retained in such pocket while the dispenser is repeatedly filled and refilled with a charged liquid, such as a gas charged beverage.

Another feature of this invention includes a slidable telescoping connection between the pocket of the dispenser and the gas container, so that the gas container may be readily removed and replaced, if desired.

Another feature includes a gas container which may be removed from the pocket while charged liquid remains in the dispenser.

Another feature of this invention includes a dispenser with a dispensing faucet countersunk in one dispenser end wall and with a centrally located pocket provided with a gas container at the other dispenser end wall.

Another feature of this invention includes a dispenser with a centrally located pocket provided with a gas container at a dispenser wall with a perpendicularly disposed centrally located charging valve in said container, and with a liquid filling and emptying opening in such dispenser wall.

Another feature includes a surrounding drainage forming means along the periphery of an end wall of the dispenser which is connected with a liquid filling and emptying opening in such end Wall.

Another feature of this invention includes a dispenser pocket having peripheral wall lug constructions for retaining the gas container in such pocket.

Another feature includes lug construction of the preceding feature in which pressure relief passageway means pass said lug constructions.

Other features are apparent from this description, the appended claimed subject matter, and/or the accompanying drawings, in which:

FIGURE 1 is a diagrammatic cross section of a charged liquid or beverage containing dispenser casing combined with a high pressure charging gas or CO container.

FIGURE 2 is an enlarged portion of FIGURE 1 including the CO container.

FIGURE 3 is an end View FIGURE 1.

FIGURE 4 is a cross section along the line 4-4 01 FIGURE 1.

FIGURE 5 is a cross section tube.

FIGURE 6 is an enlarged view of the end of FIGURE 5 taken from line 3-3 01 of the liquid CO arrestin FIGURE 7 is a cross section along the FIGURE 6.

FIGURE 8 is a cross section along the line 8-8 of FIGURE 6.

FIGURE 9 is a cross section of the pressure regulating spring cage.

FIGURE 10 is an end view from line 10-10 of FIG- URE 9.

FIGURE 10A is an end view from the line 10A-10A of FIGURE 9.

FIGURE 11 is a cross section of the pressure adjusting screw and adjustable spring and receiving nut.

FIGURE 12 is a cross section of the bayonet portion of the expanded gas discharging tube construction, taken along the line 1212 of FIGURE 2.

FIGURE 13 is a cross section of the extrusion used in forming the CO container.

FIGURE 14 is a cross section of the nipple which connects the gas container with the pocket bayonet member.

Certain words may be used in this specification and in the claimed subject matter which indicate direction, relative position, and the like. Such words are used for the sake of clearness and brevity. However, it is to be understood that such words are used only in connection With the illustrations in the drawings, and that in actual use, the parts described by these words may have entirely different direction, relative position and the like. Examples of these words are vertical, horizontal, upper, lower, bottom, etc.

According to this invention a relatively low pressure gas charged liquid containing dispenser shell 20 may have a gas charging and liquid filling end wall 22, a liquid dispensing end wall 24, and a cylindraceous or cylindncal side wall 26.

The side wall 26 may be welded at 27 to the flange 25 of the end wall 22.

The filling end Wall 22 may have a periphery and may be generally flat and may be substantially circular, as shown in FIGURE 3, and may have an integral substantially cylindrical, countersunk pocket wall 28. Such pocket wall 28 may have a substantially circular pocket opening 30 and a substantially circular pocket bottom 32.

The filling end wall 22 may have a substantially flat, substantially annular portion 34 which surrounds the pocket opening 30.

Such annular portion 34 may have .a liquid filling and line 77 of emptying opening 36, which may be laterally spaced from the pocket opening 30. The opening 36 may be closed by a bayonet type plug 35, having a flange 39 engaging a suitable seal ring 37. The flange may have the tool receiving slot construction 41 for turning the plug 35 to secure to or remove it from the opening 36.

The liquid dispensing end wall 24 may have an inwardly recessed or concave portion 345, with a rim 40, which joins the end wall 24 to the dispenser side wall 26. A liquid dispensing faucet 42 may be secured in the recessed portion 24 and may be connected with a liquid conveying tube 44 with its liquid intake end 46 extending to a normally low position 50 in the charged liquid which is contained in the shell 20. The shell 20 may be normally in horizontal position, as shown in FIGURE 1. The maximum highest normal liquid level of the liquid in the shell 20 is diagrammatically indicated at 52.

A relatively high pressure charging gas container 54 may have a relatively high pressure gas within the chamber 56. Such gas may be CO for example, and a portion of such gas may be in liquid form with a maximum normal highest level 58.

The charging gas container 54 may be assembled in substantially finished form outside the pocket 28 and may then be inserted and locked in the pocket 28 so that the high pressure gas is automatically reduced to a desired reduced gas pressure. Such gas is then automatically fed into the charged liquid or beverage through the flexible one way check valve 59. The various details elsewhere described permit the gas container 54 to be easily and effectively inserted and locked in the pocket 28.

The gas container 54 may have a central gas charging means 60 located adjacent the center of the pocket opening 30, and at the center of the end wall 22.

The gas container 54 ordinarily may remain in the shell 20 with only infrequent removals or replacements, even while the shell is being filled, emptied, and refilled. The dispenser shell 20 may be filled or refilled with charged liquid or beverage through the opening 36. If necessary, any remnant of the beverage in the shell 20 may be previously emptied through the opening 36. Thereafter, the shell opening 36 may be sealed by the plug 35 and the gas container 28 may be charged or recharged with liquid CO or the like through the central gas charging means 60.

The shell 20 may be internally washed and sterilized with the use of fluids inserted and removed through the opening 36 even while the gas container 54 remains in the casing or shell 20.

Also, if desired, the gas container 54 may be removed from the pocket 28 while the shell 20 is filled or partially filled with beverage, because the one way check valve 59 is connected to the pocket 28 and remains in place after the container 54 is removed from the pocket 28.

The shell 20 and gas container 54 may be filled by automatic machinery because of the central position of the filling means 60 and because the opening 36 may be centrally aligned to a central line of travel of the automatic machinery.

These and other advantageous features become apparent from the further details herein disclosed.

The gas container 54 may have an automatic gas pressure reducing means 62. Such means 62 may be connected to a reduced pressure gas conducting means or conduit 64, which may be so connected that it discharges reduced pressure gas into the gas charged liquid in the shell 20. A reduced pressure outlet means 66 may be provided, including check valve 59, which discharges the reduced pressure gas into the gas charged liquid in the shell 20.

The dispenser shell 20 has a cylindrical side wall 26 joined to a drainage reverse bead 68 which is joined to the periphery of the annular portion 34 of the end wall 22. The head 68 is enlarged at 70, FIGURE 3, to surround the liquid filling and emptying opening 36. The edge of the opening 36 is offset from the plane of the annular portion 34 to aid in draining the remnant liquid into the opening 36 when the shell 20 is tilted for drainage purposes.

The charging gas container 54 may include a massive, susbtantially solid cylindrical body 72 with a relatively thin, hollow cylindrical wall 74 homogeneous with said body and extending toward the pocket opening 30, and which forms the relatively high pressure gas chamber 56.

The word homogeneous is used herein as defined in Websters International Dictionary, G. & C. Merriam Company, Springfield, Mass, as follows: of uniform structure or composition throughout, such as produced by the cold extrusion method to be described.

Originally, the massive body 72, and the thin wall 74 may have been formed from a solid slug, by a cold extrusion method, to form the extruded construction 75 as 4 shown in FIGURE 13, to form the incompletely formed massive body 72A, and the originally uncurled thin cylindrical wall 74A, as shown in FIGURE 13. This cold extrusion may be formed of any suitable aluminum alloy, such as 606l-T6.

After the cold extrusion process has been performed, to form the incomplete construction 75 of FIGURE 13, the free end 77 of the cylindrical wall 74A of FIGURE 13 may be inwardly curled as shown at 76 in FIGURES 1 and 2, which will be adjacent the pocket opening 30. The curled end 76 may hold, and may be sealed to a charging valve holding plug 7 8 which may be welded at to the inwardly curled end 76 of the cylindrical wall 74.

The plug 78 may be inserted into the wall 74A before the curling operation takes place. Originally, the plug 78 may have been provided with a properly formed and internally threaded passageway 82, which is adapted later to receive the tire inflation type of valve 84.

The plug 78 may be held in place to be welded at 80 by any type of tool, which may be passed through the threaded opening which has been previously machined in the massive body 72. Alternatively, the plug 78 may be held by a tool which may pass through the opening 82 of the plug 78, and out the free curled end '76 of the wall 7 4.

The high pressure gas container 54 may be completely assembled and formed outside of the pocket 28 and may thereafter be inserted therein as will become apparent.

The plug 78 may be part of the charging means to introduce high pressure gas into the chamber 56. The tire type valve 84 may have a poppet 86 and a stem 88 which operate in the same manner as tire inflation valve, except that the valve 84 operates under the pressure of the compressed CO which is introduced through the valve '84 by a charging needle. The charging needle may be introduced through a rubber plug 90, which has a self sealed needle receiving aperture 92. The plug 90 is pressed into the opening 82 to hold the disc 94 which has two spaced gas passageways 96. The openings 96 are laterally spaced from the stem 88, so that the charging needle cannot engage the stem 88. The needle will be blocked by the blocking central portion 98 of the disc.

The CO charging needle can be inserted through the opening 92 in the plug 80 and this causes the tire inflation valve to open and allow the liquid CO to be received in the chamber 56. Preferably only enough liquid CO is fed to provide a maximum liquid level at 58, slightly below the gas conducting tube 100 more fully to be described.

The cylindrical body 72 is a massive expansion valve and expansion valve chamber containing body with said body having an expanded gas side extending in one direction and with a high pressure liquefying gas side directed in the opposite direction has a threaded opening 85, which has been formed by machining or the like, and into which the passageway means or tube 100 has been threaded as shown. The passageway means 100 may contain an expansion valve or check valve 102, which may be of a tire inflation type, with a poppet 104 and a stem 106. The tube 100 has an intake end 10 8, which has a liquid CO filter means 110, which prevents any large slugs of liquid CO from reaching the expansion valve 102. The intake 108 is on the high pressure gas chamber side and the tube 100 has its discharge opening 112 on the discharge side of the body 72, where the expanded gas chamber 114 has been formed.

An automatic pressure responsive means 116 may be placed between the massive body 72 and the pocket bottom 32. The automatic pressure responsive means 116 may operate the check valve 10-2 to supply reduced press6ure gas to the reduced pressure gas conducting means The pressure responsive means 116 may include a diaphragm 11 8, with a periphery engaging the discharge side of the massive body 72. A spring holding cage 120 holds j the periphery of the diaphragm 118 against the body 72 by means of the cylindrical wall 122, and the screws 124 which may be inserted in the screw holes 126.

The cage 1 20 may hold an adjustable spring and holding means 128. A spring 130 may have one end held by the holding means 128 and may have another end engaging the diaphragm 118.

The cage 120 may have a discharge nipple 132, which is press fitted and gas tight fitted into its cylindrical wall or rim 122. The nipple 132 will fit into the opening 134 of the bayonet conducting means 136, which is connected to the pocket bottom 32. The bayonet means 136 has a discharge extension 137 which carries the flexible check valve 59.

The massive body 72 has a rupture means or rupture disc 138, which is connected to the high pressure chamber by means of the passageway 140. When the rupture disc is ruptured by an excessive high pressure in the chamber 56, the discharged CO may flow through the passageway means to be described between the side wall 142 of the pocket 28 and along the outside of the cylindrical massive body 72 and cylindrical wall 74 in a manner to be more fully described.

The cage 120, which is shown in FIGURES 1, 2, 9 and 10, may have a rim 122 with spacing lugs 144, which loosely engage the inner surface of the side wall 142 of the pocket 32.

The cylindrical wall or rim 122 has an opening 146 in which the discharge nipple 132 is pressed fitted. The opening 146 is connected to another smaller opening 148 which is aligned with the longitudinal passageway 150 by means of a recess 152 in which an O-ring 154 is provided to form a sealed joint between the opening 148 and the passageway 150.

The opening 148 may be sufficiently small in cross section to-limit the speed of flow of gas from the space 56 to the shell 20 below a safe limit.

The nipple 132 has a relatively wide passageway 156 and a relatively narrow passageway 158. The passageway 156 has its outer edge connected to the opening 148, so' that reduced pressure gas can flow from the expanded gas chamber 114, through the passageways 64, 150, recess 152, opening 148, passageway 156 and passageway 158 and into the passageways 160 and 161 of the bayonet conducting means 136. The passageway 161 is connected to the flexible tube check valve 59, which is resiliently fitted over the discharge extension 137. The check valve 59 may be a resilient rubber like tube which has slits 162 which normally are closed when the pressure in the interior 164 of the tube is the same or less than the pressure in the shell 20. However, when the pressure at the tube interior 164 exceeds the pressure outside the tube 59, then the gas can flow outwardly through the slits 162. A cylindrical metal member 165 prevents the tube 59 from collapsing inwardly by outer pressure. The cylindrical member 165 is just slightly less in diameter than the normal unexpanded diameter of the tube 59.

The bayonet member 136 is an irregular, tube like member in which the outer extension 137 has radial ridges 166, FIGURE 12, which extend to the outer surface of the bottom wall 32 of the pocket 28. The bayonet member 136 can be pushed outwardly from the pocket 28 (leftwardly in FIGURE 2) before the gas container 56 is inserted in the pocket. The ridges 166 can pass through slots 168 in the bottom wall 32, and then the bayonet 136 can be rotated slightly, so that the ridges 166 move from the dotted line positions 166A and lock the member 137 to the bottom wall 32. A seal ring 170 is first placed around the opening 172 in the bottom wall 32. The large head 174 of the bayonet member 136 engages the seal ring 170 and creates a sealing joint to prevent fluid flow from passing along the seal 170*. The large head 174 may have a key slot 176, for turning the head 174 to move the same from the dotted line positions 166A, FIGURE 12, to the full line positions 166 to produce the bayonet locking action of the member 136. The discharge nipple 132 has an O-ring 178 which forms a fluid seal between the nipple 132 and the head 174. However, it also permits the gas pressure container 56 to be pushed in or pushed out of the pocket 28, with a sealed connection between the nipple 132 and the head 174 of the bayonet member 136.

Because of the telescoping and sliding connection between the nipple 132 and the head 174, the gas container 56 can be easily pushed in or pulled out of the pocket 28 with the attached nipple 132 sliding in the stationary head 174. The gas container 56 may be pushed into the pocket 28 past inward lugs or depressions 180 and 182.

The lugs 144 of the container 56 can pass the inward depressions 180 and 182, since there are undepressed cylindrical portions 184, FIGURE 4, of the side wall 142 of the pocket 28 through which the lugs 144 can pass. Therefore, the container 56 can be pushed in past the depressions 180 and 182, and the nipple 132 can be slidingly telescoped into the previously located large head 174 of the bayonet member 136. Thereafter, a locking ring 186 may be pushed in the pocket 28 past the lugs or depressions 180 and 182 and may be then turned in bayonet fashion, to lock the ring 186 with the depressions 180 to hold the container 56 in place. The container 56 or container wall 72 has a shoulder 188 against which the ring 186 engages, and holds the container 56 firmly in place and locked in the pocket 28.

The ring 186 has slots 190 by which the ring 186 may be turned by a wrench or the like, from an unlocked posi-' tion to a locked position.

Thereafter, the cover 192 for the opening 30 may be snapped over the recesses or depressions 182, to close the opening 30 against the entrance of large objects. The cover 192 has a bead construction 194, which holds the cover 192 in place, after the bead 194 has been snapped past the depressions 18 2, This construction provides channels 196 for the flow of gas outwardly to the atmosphere past the cover 192, if there should be a super pressure release action produced.

If the pressure relief disc 138 should burst due to excessive pressure in the chamber 56, the excess CO can flow through the passageway 198, FIGURE 1, past the undented portions 200, FIGURE 4, in. the ring 186, and into the space 202 between the pocket wall 142 and the cylindrical wall 74 of the container 56 and from thence through the channel 196 of the cover 192 to the atmosphere.

The cover 192 may have a central opening 204, through which a charging needle may be inserted in the charging slot 92 of the plug 90, to charge the container 56.

The spring cage 120, FIGURES 9, l0 and 10A may have the ring or rim 122, the longitudinal spaced walls 206, with air flow spaces or gas flow spaces 208 between such walls 206. The walls 206 support an end wall 210, which has an opening 212.

An adjustable abutment screw 214, FIGURES 2 and 11 has a circular head 216 integral with the screw 214 and a circular smaller head 218 also integral with the screw 214. A wrench opening 220 may be provided for turning the screw by means of a knurled wrench or rod which is inserted in the opening 220.

A circular internally threaded nut 222 has a hexagonal flange 224, which fits into the inner sides 206A of the walls 206, FIGURE 10A. This flange 224 is held rotationally fixed by the walls 206, but can move longitudinally along the screw 214, when the screw 214 is turned by the wrench in the Opening 220. A compression spring 130 has one end engaging the flange 224, and the other end engaging the diaphragm 118, by means of the grooved plate 228.

The diaphragm "118 has a conical opening 230. A poppet valve 232 has a conical stem 234, which also is conical shape, with a less acute angle than the opening 230.

As the pressure increases in the expansion chamber 114, the diaphragm 118 moves leftwardly and the poppet valve 232 follows it because of the pressure in the chamber 114. However, when the poppet valve stem 234 strikes the screw 214, the gaseous CO escapes between the stem 234 and the opening 230 and can pass through the escape passageway 268 into the space outside of the cage 120. From thence it can flow between the lugs 144 and from thence through the passageway 198, etc., which have been previously described, and out through the passageways 196 of cover 192 to the outside atmosphere.

The gas container 28 of the dispenser of this invention may be charged with liquid CO by a vertically directed charging needle which can be inserted into the self sealed central slot 92. The shell 20 may also be in vertical position, supported on the rim 40.

Likewise liquid beverage, such as beer, may be introduced vertically into the liquid filling opening 36.

The dispenser may be filled by automatic machinery. The shells 20 may be serially fed along an operating line during which the shells 20 are supported with the central slot 92 substantially on the operating line The liquid beverage filling opening 36 may also be guided at or near the operating line.

The shell 20 may be vertically filled to the desired level through the uncovered opening 36. Thereafter, such opening 36 may be plugged by cover 35.

The gas container 56 may then be charged with liquid CO for example, by a vertically applied charging needle.

The shell 20 may be safely held in vertical position during the travel of the shell along the operating line.

The tube 100 may have a filter plug 238 inserted at its intake end 108.

The filter plug 238 is machined from a square bar so that it has a main body 240 with rounded corners 242.. The rounded corners 242 are fitted into the thin tube section 244 of the tube 100. This forms relatively large passageways 243 along the flat sides 245 of the main body 240. The plug 248 also has a narrow neck 246 which extends to a disc 248. The disc 248 extends into the thicker wall 250 of the tube 100. There is a clearance between the thick tube 250 and the disc 248 in the order of .003 inch radial or .006 diameter difference between the internal diameter of the thick tube 250 and the outer surface of the disc 248. This clearance provides a filtering action to prevent slugs of liquid CO from reaching the poppet 104 and harming It.

The main body 240 may be tapered at 252 and 254 to cause a smoother flow of gas.

A pop-off relief valve, not shown, may be provided for the charged liquid space in shell 20. Such pop-off valve may be placed in the plug 35, or in a rigid sleeve construction which may be inserted in and secured to the annular portion 34. Such sleeve may have a flange secured to the portion 34 and the sleeve may extend inwardly into the liquid space of shell 20 which surrounds the pocket 28. The pop-off valve may be a well known screw-in type valve which may pop-off at a pressure between -40 p.s.i.g.

The faucet is indicated at 42, the liquid conveying tube is indicated at 44 with its intake indicated at 46 near the low portion 50 of the charged liquid in the shell 50.

Thus it is to be seen that a new, useful and unobvious dispenser and method have been provided by this invention.

While the form of the invention now preferred has been disclosed as required by statute, other forms may be used, all coming within the scope of the claimed subject matter which follows.

What is claimed is:

1. In combination:

a relatively low pressure gas charged liquid containing dispenser shell having a gas charging and liquid filling end wall and a liquid dispensing end wall;

said filling end wall being substantially circular and having an integral substantially cylindrical countersunk pocket with a substantially circular pocket opening and a substantially circular pocket bottom;

said filling end wall having a substantially flat, substantially annular portion surrounding said pocket opening, said annular portion having a liquid filling and emptying opening laterally spaced from said pocket opening;

said liquid dispensing end wall having an inwardly recessed portion with a liquid dispensing faucet in said recessed portion with a liquid conveying tube extending to a normally low position in said charged liquid;

a relatively high pressure charging gas container in said pocket;

said gas container having a gas charging means located adjacent the center of said pocket opening;

said gas container having an automatic gas pressure reducing means with a reduced pressure gas conducting means adjacent said pocket bottom;

and reduced pressure outlet means in said pocket bottom connected to said outwardly conducting means and discharging reduced pressure gas into said gas charged liquid.

2. A combination according to claim 1 in which said dispenser shell has a cylindrical side wall and a reverse bead joining the periphery of said annular portion and said side wall, with said bead being enlarged to surround said liquid filling and emptying opening.

3. A combination according to claim 1 in which said charging gas container includes:

a massive substantially solid cylindrical body with a relatively thin hollow cylindrical wall extending toward said pocket opening, and forming a relatively high pressure gas chamber;

said cylindrical wall having an inwardly curled end adjacent said pocket opening;

said cylindrical body having gas passageway means containing a check valve with an intake having a connection with said high pressure gas chamber on an intake side of said body and having a discharge on a discharge side of said body;

automatic pressure responsive means connected to said massive body adjacent said pocket bottom operating said check valve to supply reduced pressure gas to said reduced pressure gas conducting means.

4. A combination according to claim 3 in which said automatic pressure responsive means includes:

a diaphragm with a periphery engaging the periphery of the discharge side of said massive body;

a spring holding cage holding said periphery of said diaphragm and having adjustable spring end holding means;

a spring having one end held by said holding means and having another end actuating said diaphragm.

5. A combination according to claim 4 in which said cage has a discharge nipple connected to said reduced pressure conducting means, and in which said nipple is slidably connected to a bayonet conducting means connected to said pocket bottom.

6. A combination according to claim 5 in which said massive body has rupture means connected to said high pressure gas chamber, and in which atmosphere passageway means is connected to said rupture means along the outside of said thin cylindrical wall and connected to the outside atmosphere.

7. In combination:

a massive expansion valve and expansion valve chamber containing body with said body having an expanded gas side directed in one direction and with a high pressure liquefied gas side directed in the opposite direction and with a cylindrical homogeneous high pressure gas chamber forming wall homogeneous with said body and with a free end extending from said high pressure liquefied gas side;

said body having a tube receiving opening connecting said expanded gas side and said high pressure liquefied gas side;

an end sealing plug in said cylindrical wall, said plug having a check valve receiving passageway, said free end being inwardly curled to form a reduced size free end, said plug being bonded to said reduced sized free end;

an expansion valve supporting tube in said tube receiving opening, said tube having an intake end extending toward said high pressure liquefied gas side, and having a discharge end extending toward said expanded gas side;

an expansion valve in said supporting tube with an operating stern extending toward said expanded gas side and with a valve opening and closing member operated by said stem and extending toward said high pressure liquefied gas side;

an expanded gas pressure responsive diaphragm in said massive body adjacent to and actuating said stem;

and a charging gas check valve in said check valve receiving passageway.

8. A combination according to claim 7 in which a liquefied gas restrictor is provided within said intake end of said supporting tube.

9. A combination according to claim 8 in which said supporting tube is secured so that said intake end is located above the normal highest liquefied gas level in said high pressure chamber.

10. A combination according to claim 7 in which said supporting body has been formed from a metal slug which has been subjected to an extrusion step to form said main body and said cylindrical high pressure gas chamber forming wall.

11. A combination according to claim 8 in which said liquefied gas restrictor includes a straight sided equilateral restrictor plug inserted in a cylindrical end portion of said supporting tube.

12. A combination according to claim 11 in which said restrictor plug has tapered ends.

13. A combination according to claim 11 in which said restrictor plug has the edges of its sides rounded to fit in said cylindrical end portion.

14. A combination according to claim 11 in which said restrictor plug has tapered ends and has the edges of its sides rounded to fit in said cylindrical end portion.

15. A combination according to claim 14 in which said restrictor plug has a cylindrical neck and a cylindrical head formed at the end of said restrictor plug and has said head inserted in a reduced diameter portion of said tube.

16. In combination:

a massive expansion valve and expansion valve chamber containing body with said body having an expanded gas side directed in one direction and with a high pressure liquefied gas side directed in the opposite direction and with a cylindrical high pressure gas chamber forming wall homogeneous with said body and with a free end extending from said high pressure liquefied gas side;

said body having a tube receiving opening connecting said expanded gas side and said high pressure liquefied gas side;

said free end being inwardly curled to form a reduced size free end, and said reduced size free end having a gas charging valve secured thereto;

an expansion valve supporting tube in said tube receiving opening, said tube having an intake end extending toward said high pressure liquefied gas side, and having a discharge end extending toward said expanded gas side;

an expansion valve in said supporting tube with an operating stem extending toward said expanded gas side and with a valve opening and closing member operated by said stem and extending toward said high pressure liquefied gas side;

and an expanded gas pressure responsive diaphragm in said massive body adjacent to and actuating said stem.

17. In combination:

a liquid container dispenser shell having a generall flat end wall with a liquid filling opening adjacen the periphery of said end Wall;

a pocket forming wall integral with said flat end wal having a pocket opening in said end wall centrally 01 said filling opening, said pocket forming wall having a bottom with charging gas passageway means extending from said pocket bottom into the liquid space of said shell;

and a removable charging gas container in said pocket forming wall, said container having a gas charging opening adjacent said pocket opening and having a gas discharge means connectable and disconnectable to said charging gas passageway means.

18. In combination:

a liquid container dispenser shell having an end wall with a liquid filling opening adjacent the periphery of said end Wall;

a pocket forming wall integral with said end Wall having a pocket opening in said end wall centrally of said filling opening, said pocket forming wall having a bottom with charging gas pasageway means with a head on said pocket wall and a discharge tube extending into the shell liquid space outside said pocket;

and a charging gas container in said pocket, said container having a gas charging opening adjacent said pocket opening and having a gas discharge means slidingly and sealingly connectable and disconnectable with said head.

19. A combination according to claim 18 in which said gas container has -a massive substantially solid cylindrical body with a relatively hollow cylindrical wall homogeneous with said body and extending toward said pocket opening and forming a relatively high pressure gas chamber, said cylindrical wall having an inwardly curled end adjacent said pocket opening and holding a plug containing a gas charging check valve accessible to a gas charging needle adjacent said pocket opening.

20. In combination:

a liquid container dispenser shell having an end wall with a liquid filling opening adjacent the periphery of said end Wall;

a pocket having a pocket opening in said end wall centrally of said filling opening, said pocket having a pocket wall and a charging gas pasageway means with a head on said pocket wall and a discharge tube extending into the shell liquid space outside said pocket; and

a charging gas container in said pocket, said container having a gas charging opening adjacent said pocket said head in which a locking ring has bayonet engagement with said pocket wall and an abutting engagement with said gas container to hold said container in said pocket.

References Cited UNITED STATES PATENTS 548,301 10/ 1895 Dunn 220-40 1,359,795 11/1920 Delahey et al. 2223 1,515,218 11/1924 Lambert 220-66 2,812,109 5/1957 Wentz 222 52 3,024,800 3/1962 Lewis 222399 3,065,883 11/1962 Nelson 222-399 3,155,292 11/1964 Webster 222-397 3,211,850 10/1965 Brown 222-399 3,232,485 2/1966 Wilson 22252 3,233,780 2/1966 Cheeley 2252 3,239,101 3/1966 Wilson 22252 3,245,583 4/1966 Miller et al 222-52 WALTER SOBIN, Primary Examiner.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US548301 *Oct 22, 1895 William dunn
US1359795 *Jan 21, 1920Nov 23, 1920Atcheson Delahey WallaceTire-inflator
US1515218 *Dec 3, 1923Nov 11, 1924Standard Oil CompanyJoseph h
US2812109 *May 11, 1954Nov 5, 1957Richard K WentzContainer
US3024800 *Jul 24, 1959Mar 13, 1962Alumasc LtdCasks and valve means therefor
US3065883 *May 6, 1960Nov 27, 1962Benson Mfg CompanySelf-dispenser unit
US3155292 *Apr 13, 1962Nov 3, 1964Bernz O Matic CorpSafety valve arrangement for pressurized containers
US3211350 *Feb 13, 1961Oct 12, 1965William Brown AlbertPressure regulating valve and dispenser for carbonated beverages
US3232485 *Feb 11, 1964Feb 1, 1966Reynolds Metals CoCharging valve construction
US3233780 *Nov 22, 1963Feb 8, 1966Reynolds Metals CoGas charged liquid container construction and method
US3239101 *Feb 11, 1964Mar 8, 1966Reynolds Metals CoGas charging apparatus with check valve
US3245583 *Feb 11, 1964Apr 12, 1966Reynolds Metals CoGas charging and liquid dispensing apparatus and method
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3561649 *Jun 10, 1968Feb 9, 1971Reynolds Metals CoDispensing container
US6499632 *Nov 29, 2000Dec 31, 2002Packaging Technology Holding S.A.Pressure control device for maintaining a constant predetermined pressure in a container
US6616017Dec 2, 2002Sep 9, 2003Packaging Technology Holding S.A.Pressure control device for maintaining a constant predetermined pressure in a container
US7467733Sep 9, 2003Dec 23, 2008Packaging Technology Holding S.A.Pressure control device for maintaining a constant predetermined pressure in a container
US7721919 *Jan 20, 2004May 25, 2010Ips Patent S.A.System for applying a working pressure to a content of a pressure package with the aid of a propellant
US7748578Aug 13, 2008Jul 6, 2010Ips Patent S.A.Pressure control device for maintaining a constant predetermined pressure in a container
US7866510 *Nov 14, 2006Jan 11, 2011Huber Verpackungen Gmbh + Co. Kg.Device for dispensing a fluid from the hollow space of a container
US9352949 *May 22, 2015May 31, 2016GrowlerWerks, INC.Beverage dispenser and variable pressure regulator cap assembly
US20040045986 *Sep 9, 2003Mar 11, 2004Packaging Technology Holding S.A.Pressure control device for maintaining a constant predetermined pressure in a container
US20060054237 *Jan 20, 2004Mar 16, 2006Vanblaere Roland Frans C CSystem for applying a working pressure to a content of a pressure package with the aid of a propellant
US20070114249 *Nov 14, 2006May 24, 2007Peter SchneiderDevice for dispensing a fluid from the hollow space of a container
US20080099511 *Mar 2, 2005May 1, 2008Peter SchneiderDevice for Dispensing a Fluid from the Hollow Space of a Container
US20150336785 *May 22, 2015Nov 26, 2015GrowlerWerks, INC.Beverage dispenser and variable pressure regulator cap assembly
DE3124773A1 *Jun 24, 1981Jan 13, 1983Muellensiefen & Cie Dr K PSlide bearing which is intended for building construction
Classifications
U.S. Classification222/61, 222/399, 222/396
International ClassificationB67D1/04, B67D1/00
Cooperative ClassificationB67D1/0412
European ClassificationB67D1/04B