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Publication numberUS1908707 A
Publication typeGrant
Publication dateMay 16, 1933
Filing dateMay 20, 1931
Priority dateMay 20, 1931
Publication numberUS 1908707 A, US 1908707A, US-A-1908707, US1908707 A, US1908707A
InventorsAndrew A Kramer
Original AssigneeAndrew A Kramer
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Shipping container and pump therefor
US 1908707 A
Images(1)
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Description  (OCR text may contain errors)

May 16, 1933. A. Al KRAMER 1,908,707 l SHIPPING CONTAINER AND PUMP THEREFOR Filed May 2o, 1951 I N VEN TOR. Andreu/. Kramer ,-1 TTORN E Y.

Patented May 16, 1933 UNITED STATES ANDREW A. KRAMER, OF KANSAS CITY, MISSOURI SHIPPING CONTAINER ANI)l PUMP' THEREFOR Application filed May 20,

My invention relates to shipping containers and pumps therefor, and more particularly to a liquid shipping container, such as a barrelV or drum for oil or similar material, and

5 self contained means for pumping the oil or other liquidfrom the Container.

vWhen oil or similarliquid is shipped in a shipping container to a purchaser, the oil or other liquid is either withdrawn from the 0 container by the purchaser by means of a faucet to which the liquid is fed by gravity, or by means of a pum lVith the present methods of handling oil or other liquids in drums, steel barrels or similar shipping con- 5 tainers, many ditliculties are experienced.

In orderY that a faucet may be used on the container, itis necessary that'the container be placed either permanently inl a horizontal position with the faucet downward, or else placed in some sort of a tiltable frame for moving the container to a horizontal position.

In either case much handling of the drum,

which is quite heavy, is necessary, and ifa tiltable support for the drum, barrel or other 5 container is provided it takes up` a large amount ofroom.

Furthermore, if the liquid is dispensed from the container by means of a faucet by the action of gravity, there is much chance for considerable wastage due to leaky faucets or improper closing ofthe same. Where a pump is used for removing the liquid from the container, it is either necessary for the purchaser of the liquid'in the container to supply a pump` for this purpose, or that the seller furnish a pump for use in removing the liquid from the container. Ordinarily considerable difliculty is experienced by thel purchaser in obtaining 'suitable pumps for this purpose, and most of such pumps are expensive.

It is a purpose of my invention to pro-vide a pump combined with a container in such a manner that all the difiiculties experienced in connection with the use of a. pump and the shipping of a pump with a container, are eliminated, and furthermore, one which will be always with the container no matter how much the container may be transported from place to place. This is accomplished by pro- 1931. Serial No. 538,799.

viding a pump that is mounted detachably Within the container, and which is housed entirely within the same so that the container may be shipped in the usual manner, and

when the closure member isv in place theron the same will be in its usual condition for shipment with the pump confined or concealed entirely within the package fthus formed.

Preferably, my improved pump and thel mounting therefor is associated with the usual threaded filling opening for the'container in such a manner that the same can be detached from the containerand the container filled through the opening, after which the pump is screwed in place and the closure member is screwed into the opening remaining in the container to completely close and seal the sameso as to prevent escape of liquid therefrom, with the pumping means entirely enclosed within the container.

It is another purpose. of my invention to provide a pump mounted in the manner set forth above, which is provided withl a flexible discharge conduit which extends through the opening in the container to the exterior thereof, and to provide in conjunction with the mounting of the pumpin the container, means for supporting the fiexible conduit Within the container when disengaged from the pump.

It is another purpose of myinvention to provide a mounting for a pump comprising a chamber located within the container with which the pump is associated, which has drainage means provided therein for returning any liquid that might enter the chamber during the pumping operation, or otherwise, to the chamber formed by the container' itself. Vhile it is preferred that theyclosure member for the opening in the container'be utilized as a handle for the pump, it may be desirable to provide a separate handle for the pump, which may be more readily grasped by the operator, and one form of .my invention contemplates means for supporting such a handle within the container when the pump is in knocked-down condition for purposes of transporting the same from `place to place within the container.

loo

Other objects and advantages of my invention will appear as the description of the drawing proceeds. I desire to have it understood, however, that I do not intend to limit myself to the exact details shown or described, except as defined by the claims.

In the drawing:

Fig. 1 is a view of a steel barrel, partly in elevation and partly in section, the saine being partly broken away, showing my improved pump in position therein ready for shipment with the container.

Fig. 2 is a vertical sectional view through the pump, partly broken away, showing the same set up for pumping.

Fig. 3 is a. perspective view of the bushing or tubular supporting member for the pump.

Fig. 4 is a fragmentary section of the outer end portion of the pump and the adjoining portion of the container, showing a modified construction. i

Fig. 5l is a perspective view of the handle that may be provided for the pump shown in Fig. 4.

Fig. 6 is a fragmentary view similar to Fig. 4 of another modification, showing the pump in operating condition.

Fig. 7 is a view similar to Fig. Grof said modification, showing the pump in shipping condition.

Fig. 8 is af perspectiv view taken on a slight modification.

Fig. 9 is a fragmentary section showing a furthe modification.

Referring in detail to the drawing, in Fig. 1, my invention is shown as being applied to a shipping container 10, which is shown as being in the form of a steel barrel or drum, having ahead 11, and-having a collar 12 mounted in an opening 13 in the head 11, Said collar 12 being secured to the head 11 of the container in any suitable manner, as by means of welding, and having internal threads 14 thereon.

Ordinarily a screw-threaded plug engages with the threads 14 on the collar 12, the container being secured to said collar. In accordance with my invention, as shown in Figs. 1 to 4 inclusive, I apply my improved pump through the opening provided in the collar 12, and secure the same detachably to said collar so that the entireV pump can be removed Yfrom the barrel `so as not to interfere with the filling of the barrel through the opening provided in said collar. The mounting for my improved pump comprises a fitting made in the form of a tubular me1nber, having both an internally and externally threaded end portion 15 of maximum diameter, and a tapering portion 16 extending to a transverse wall portion 17, from which the downwardly directed substantially annular flange portion 18 extends, said flange portion receiving the tubular pump barrel or cylinder 19 therein, the pump cylinder being se cured to the flange 18 in any desired manner.

It will be seen that, as the pump cylinder 19 and all portions of the fitting carrying the same inwardly from the threaded end 15 thereof are of smaller diameter than the threaded end 15, and do not extend laterally beyond the external threads on the portion 15, the entire pump can be passed through the screw-threaded opening 14 in the collar 12 until the threaded end 15 engages therewith, whereupon the pump can be rotated to screwl the portionV 15 thereof into the internally threaded portion 18 of the collar 12. In order to facilitate the turning of the fitting in the threaded collar 12, a plurality of transverse grooves or notches- 2O are provided in the outer face thereof, with which a tool o r pointed member maybe engaged to turn the pump mounting fitting.

Mounted within the pump cylinder or barrel-19 at Vthe lower end thereof, is a valve 21,

which is movable on the valve stem having the head 23, and which seats over the openings 24 in the flanged closure member 25 at the bottom or inlet end of the pump. The usual plunger or piston 26, having the flex- .ible member 27 associated therewith to seal the space between the piston and the wall of the cylinder 19, is mounted .1n the usual Vmanner on a piston or pump rod 28, which extends slidably through anopening 29 in the transverse wall 17.

In the arrangement shown inFig. 2, the outer end of the'pump rod 28 is threaded at 30, and is received. within the screw-threaded opening 31 in the plug 82,. the plug 32 being provided with a gasket 33, as is customary, underlying the flange 34 thereon and having an externally threaded portion 35 that engages with the internal threads on the end portion; 15 of the pump supporting fitting. The plug is otherwise made in the usual external form for engagement of a wrench therewith, both on the outside thereof and in the socket 36 provided in said plug.

The transverse wall17, which also serves as a head for the pump cylinder or barrel at the discharge end of the: pump, is provided with an internallythreadedopening 37, with which the externally threaded coupling 3.8 on the flexible metallic conduit 39 engages, said flexible metallic conduit 39 comprising the discharge pipe or conduit for the pump. A. plurality ofdrain openings 40 are provided in the side wall of the fitting closely adjacent the transverse wall 17, to permit any liquid that might accumulate in the chamber 41 formed within the fitting, to run back into the container proper. p l

The pump,vin condition for pumping the liquid, is shown in Fig. 2. In Fig. 1 the pump is shown inthe knocked-down condition in which the same is shipped inside the container. When the container has :been

filled with liquid, the pump not being in position while the filling operation is taking place, the pump is inserted through the opening in the collar 12, and the threaded end 15 on the pump supporting fitting is screwed into position in the collar so that the outer end thereof is either flush with or slightly below the outer rim or edge portion of the collar.

The discharge Conduit is detached from the pump and is inserted with the iexible portion 39 thereof, downwardly through the opening 37, the conduit 39 being ofsmaller diameter than the opening 37 to permit the passage thereof through said opening into the pump cylinder or barrel 19 where the same will remain during shipment of the container.

This is possible due to the fact that the threaded coupling 38 has a larger diameter than the conduit 37, being in that respect, both a bushing and a coupling. After this has been done the pump rod is moved down-v wardly by means of the plug member 32 until the external threads on the plug member engage with the internal threads on the portion 15 of the pump supporting litting, whereupon the plug is rotated in the usual manner to tighten the same down on the fill collar 12, the iange 34 thereof overlapping the collar suiiciently to provide a tight joint at the opening in the container when the plug is screwed down tightly. The plug will then serve as a closure for the chamber 41, preventing the disengagement of the conduit member 39 from its position extending through the opening in the transverse wall 17, and preventing any appreciable endwise movement thereof.

For the sake of simplicity, it is advisable to use the closure member 32 as a handle for the pump. lt is, of course, not as readily grasped as a relatively narrow elongated handle member, and it may be found desirable to provide such a handle member which will also be housed within the containerwhen the package, including the pump confined within the container is ready for shipment.

A slightly modified form of the invention is shown in Figs. 4 and 5, in whichV such a handle member is provided. The plug member 32. is the same as previously described, as is also they lill collar 12. The fitting for supportingthe pump is also made substantially the same, except for the provision of an' additional threaded opening therein, and the same numerals are accordingly applied to the parts that correspond in Fig. 4 to the parts previously described in connection with Figs. 1 to- 3 inclusive. The pumping mechanism, including the pump barrel and pump rod are also the same as previously described. Instead of providing merely the internally threaded opening 37. iny the transverse wall portion 17 of the pump supporting fitting, a. second internally threaded` opening 37 is provided therein, and the handle member 42, which is made of a flat strip of metal, and which has the right angular end portion 43 and the internally threaded opening 44, is adapted to be passedthrough the opening 37 with they angular end 43 resting on the top surface` of the transverse wall 17, and the body portion depending into the pump barrel 19.

In this form of the invention, the plug 32 is removed from the threaded end 30 of the rod 28, and the handle 42 is threaded thereon when thepump is got ready for use to pump the contents out of the barrel or other container. A flexible conduit 39 may be connected with both the-openings 37 and 37 when pumping is commenced, thus increasing the capacity of the pump should thisbe desired, or if only one flexible discharge conduit is to be used, as in the previously described form, a threaded plug 45 is provided, which is used to close thev opening 37 while pumping is going on, the plug being carried within the chamber 41 when the device is in knockeddown condition for shipping purposes, as will be evident from Fig. 4.

Instead of carrying the handle asfshown in Fig. 4, a handle 42, such as shown in Fig. 9, may be provided having the threaded opening 44, but having no angular end, but being provided with any suitable means, such as the opening 47 for receiving a tie wire 48 for securing the handle to the flexible spout or discharge conduit 39 on the lower end thereof suspended within the pump cylinder A19 when ready for shipment.

lt is desirable that the pump be made of such length that it would extend to the head 11 of the container opposite the head 11,

which may be referred to as the bottom thereof, but in order that the samey will not engage the bottom so as to prevent the pump k'from operating to withdraw the liquid from the container, a pair of projecting legs or lips 46 are provided on the pump barrel, which engage the wall 11 so as to space the lower end of the barrelfrom said wall so that liquid may enter the inlet end of thek pump.

In Figs. 6 and 7 a further modification is shown for application to a shipping con* tainer having a different kind of fill collar. The form of container shown is similar in structure to that previously described, but instead of having an internally threaded collar thereon, the container is provided with an upstanding threaded collar 49 secured to the outwardly directed flange 50 on the head 11 of the container, the collar being madeof sheet metal and having threads formed thereon and beingprovided with an inturned peripheral liange 51.

In thisfform of the invention the pump barrel 19 is just like the pump barrel 19 previously described, except for a slight lat- CII eral flare 52 at the top end thereof, and the pumping mechanism Within the same, is the same as .previously described. The bushing or pump supporting fitting is the same as shown in Figs. 1` to 3 inclusive, except for a lateral enlargement in the same at one point therein corresponding to the lateral flare 52 in the pump, and the provision of different means for securing the same to the lill collar. rlhe Wall 17 is slightly enlarged laterally at 53 to provide room for the opening 37 therein, and the tubular Wall 18 is lcorrespondingly offset slightly laterally at 511, it being` obvious that this arrangement can be used -whenever it is iound necessary to do so, toprovide sufficient material adjacent the opening 37. rl'he tubular conduit 39 is associated With the bushing or iitting in the same Way as previously described, both in shipping and` operative position.

.The outer end of the bushing is not threaded, however, but is provided with a lateral circumferential flange 55 which over- .lies the lla-nge 51, a gasket 56 being provided between said flanges. The fitting or bushing is provided With openings in the portion 15 thereof in such a position that the screws 57 threaded therethrough will engage under the flange 51 to secure the same on the till collar. handle 58 is secured onto the threaded end 3l) ot the pump rod 28 and is shipped within the chamber ell, as shown in Fig. 'l'. A clo,` ire or cap 5S) having threads (50 formed on the depending flange thereon cooperates with the collar 49 and has a gasket G1 provided on the inner face thereof. and serves to clamp said gasket against the flange and the gasket 56 between the flanges 51 and 55 when screwed down tight.

instead of providing` the grooves or notches 2O for turning the threaded bushing, a. plurality of ribs 62 may be provided pro- `iecting into the chamber e1, as shown in Fig, 8, for engagement by a tool to turn the bushing.

1. The combination with a container having en opening therein, oit a. collar mounted in said o iening, a pump carried by said collar comprising a threaded tubular portion mounted Within said collar and plug having scaling engagement with said collar and screiv-threadedly engaging said threaded tubular portion.

2. he combination with a shipping container having a discharge opening therein, of a pump mounted in said container, means lor mounting said pump Within said container coniprising a member having a, luid tight connection with said container at said opening and comprising` a plug receiving portion mounted in said opening and a plug interloclingly enga-ging said plug` re ,eiving portion to close said container, and confine Leoeov said pump entirely Within the normal outlines oi'. said closed container.

3. The combination with a shipping container having an opening therein, ot means at said opening ttor mounting a pump in said container to project inwardly from said opening, said pump having operating means adapted to extend through said opening to the exterior of said container, closure receiving means on said container at said opening and a closure interlocking With said closure receiving means to provide a liquid tight joint therebetween, said closure confining said pump and operating 'means Within said container While in interlocking engagement With said closure receivingl means.

4. The combination With a liquid container having a discharge opening therein, of a liquid tight closure for said opening and a pump in said container comprising a member extending only inwardly beyond said closure and supporting a flexible discharge conduit for said pump Within said liquid container When not in use.

5. The combination with' a liquid shipping container having an opening therein, of a pump mounted entirely Within said container and carried thereby at said opening and a closure for said opening adapted to close said container liquid tight with said pump concealed within said container by 'means ot said closure, said closure holding` said pump against removal from said container. I

G. T he combination with a liquid shipping containerhaving an opening therein, of a pump detachably mounted entirely Within said container and carried thereby at said Y opening and a plug for said opening adapted toclose said container liquid tight with said pump concealed Within said container by means of said plug, saidplug holding said pump against removal from said container.

7. The combination with a liquid shipping container, of pumping mechanism mounted Within said container, said container' having` an openingtherein whereby access may be had to said pumping mechanism, said'pumping` mechanism being detachably connected with. said container at said opening and a closure for said opening completely enclosing said pumping mechanism Within said conta'a` r, said closure holding said pumping mechanism against removal from said container.

S. A liquid shipping package comprising a liquid container and pumping mechanism detachably mounted in and opening in and completely confined Within saidcontainer, and means engaging said container, to hold said pumping mechanism against removal from said container'.

9. A liquid shipping package comprising liquid container and pumping mechanism detachably mounted in and completely coniined Within said container, and means providing a detachable liquid tight closure for said container at said pump mounting, said means holding said pumping mechanism against removal from said container.

l0. In a shipping container having an opening therein, a threaded collar mounted on said container at said opening. a tubular member screW-threadedly engaging said collar and extending into said container, said tubular member having a transverse Wall spaced from the Wall of said container, and a pump in said container having a flexible discharge conduit provided With an enlarged end, said transverse Wall having an opening therein larger than said conduit except at said enlarged end through which said conduit is adapted to be suspended While detached from said pump.

11. In a shipping container having an opening therein, a threaded collar mounted. on said container at said opening, a tubular member screW-threadedly engaging said collar and extending into said container, said tubular member having a. transverse Wall spaced from the wall of said container, a pump'in said container and a pump handle, said transverse Wall having a pump rod opening and a second opening therein through which said pump handle is adapted to be suspended While detached from said pump.

12. In a shipping container having an opening therein, a threaded collar mounted on said container at said opening, a tubular member screW-threadedly engaging said collar and extending into said container, said tubular member havingl a transverse Wall spaced from the Wall of said container and comprising the head of a pump, a pump barrel extending inwardly from said Wall said Wall having an opening therein, a pump rod extending through said opening in said Wall, said wall having a threaded opening therein and a flexible discharge conduit having an enlarged threaded member engaging in said threaded opening, said conduit being adapted to be passed through said threaded opening and suspended in said pump barrel from said Wall by means of the enlarged member thereon.

13. In a shipping container having an opening therein having threaded means thereon at said opening, a tubular member open at the outer end thereof and detachably engaging said threaded means and extending into said container, a pump provided on the inner end of said tubular member and lying entirely Within said container and a closure tor the opening in said shipping container and said tubular member, said closure holding said pump against removal from said container.

14. In a shipping container having an opening therein having threaded means thereon at said opening, a tubular member open at the outer end thereof and detachably engaging said threaded means at its outer end and extending into said `container,a pump provided on the inner end of said tubular member and lying entirely Within said container having a detachable flexible discharge conduit extendingthrough said opening in said container to the exterior thereof, anda closure for the opening in said tubular member.

15. In a shippingcontainer having an opening therein having threaded means thereon at said opening, a tubular member open at the outer end thereof and detachably engaging said threaded means at its outer end and extendingintosaid container,-a pump provided on the inner end of said tubular member and lying entirely Within said container, said tubular member having a transverse Wall spaced from the Wall of said container and forming the head of said pump and bein-g internally threaded at its outer end, a pump rod extending through said transverse Wall, and a threaded closure for the opening in said tubular member mounted on said pump rod and engaging the internal threads on said tubular member.

16. In a shipping container having an opening therein, a threaded collar mounted on said container at said opening, a tubular member screW-threadedly engaging said collar and extending into said container, said tubular member having a transverse Wall spaced Afrom the Wall of said container, and a pump in said container having a pump rod extending through an opening in said transverse Wall, said transverse Wall providing a chamber Within said tubular member, said chamber having drainage openingsv therein leading into the container outside said pump.

17. In a shipping container having an opening therein having closure receiving means thereon at said opening, a closure engaging said means'toseal said container against leakage, a tubular member having its outer open end detachably connected With said means and extending into said container, a pump provided on the inner end of said tubular member and lying entirely Within said container, said tubular member' having a transverse Wall spaced from the ends thereof forming the head of said pump, and providing a chamber Within said container, and a pump rod extending through said transverse Wall, saidv closure closing the outer open end of said tubular member.

18. In a shipping container having an opening therein having closure receiving means thereon at said opening, a tubular member having an outer open end detachably connected With said means and having a reduced inner end extending into said container, a pump provided on the inner end of said tubular member and lying entirely having a discharge opening therein, and a detachable flexible spout extending from said opening in said Wall outwardly through I said closure receiving means.

ln a` shipping container having an ,opening therein having closure receiving means thereon at said opening, a tubular member having its outer open end detachably connecten with said means and having a reduced inner end extending into said container, a pump provided on the inner end ot said tubular member and lying entirely Within said container, and a closure engaging said closure receiving means to hold said pump in inoperative position and against removal trom said container.`

20. The combination With a container having an opening therein, ot an externally threaded collar provided on said container at said opening. a pump carried by said collar comprising flanged tubular portion extending through said collar '-,vithsaid ilange engaging said collar and cap having threaded engagement with said collar and sealing engagement with the flange on said tubular portion of said pump, said cap enclosing said pump to prevent access thereto when said cap is in container closing position,

2l. The combination with a shipping container having a discharge opening therein, t a pump mounted in said container., means or mounting said pump Within said container comprising a member having a fluid tight connection with said container at said opening and-comprising a cap receiving portion mounted at said opening, and a cap interlockingly engaging said cap receiving portion to close said container and confine said pump entirely Within the normal outlines ot said closed container.

22. The combination with a liquid container having an opening therein, oi pump detachably mounted Within said container and carried thereby at said opening, a. cap receiving member on said container at said opening, and a cap engaging said cap receiving member to close said container liquid tight in cooperation iith said pump, said cap concealing sai(L pump Within said container and holding said pump against removal from said container. y

23. rllhe combination with a container having an opening therein, of an externally threaded annular member on said container surrounding said opening, a pump secured to said annular member and extending into said container, said pump comprising a tubular portion open at'one end thereof mounted Within said annular member and Jforming an outwardly opening chamber therein, a cap having threaded engagement with said'annular member to close said opening, said cap closing said chamber and coni'ining said pump in inoperative position when in container closing position, and means cooperating with said cap to provide a liquid tight seal at said opening.

24. The combination with a ing an opening' therein, of an externally` threaded annui r member on said container surrounding aid opening, a pump secured to said annular member and extending into said container, said pump comprising a tubular portion open at one end thereof mounted Within said annular membe and forming an outwardly opening chamber therein, a cap having threaded engagement ivith said annular member to close said opening, said cap closing said chamber and coniming said pump in inoperative position when in container closing position, a pump handleI conlined in said chamber by said cap, and means cooperating 'with said cap to provide a liquid tight seal at said opening.

container hav- 2i" 'ln a container ha vin 0'an onenin(Y therell A D in, a collar mounted on said container at said opening, a tubular member engaging said collar and extending int-o said container, said tubular member having a transverse Wall spaced from the outer end thereof and oomprising the head ot a pump, a pump barrel extending inwardly from said wall, said wall having an opening therein, a pump rod extending through said opening in said wall, said Wall havin g a threaded opening therein and a vfiez-ible discharge conduit having an enlarged threaded member engaging in said threaded opening, said conduit being adapted to be passed through said threaded opening and suspended in said pump barrel from said Wall by means of the enlarged member thereln testimony Wnereoi', I hereunto subscribe my name this 13th day ot May, 1931.

ANDREV AL. KRAMER.

CERTIFICATE 0E CORRECTION.

Patent No. 1,908, 707. May 16, 1933.

ANDREW A. KRAMER.

It is hereoy certified that error appears in the printed specification ofthe above numbered patent requiring correction as follows: Page 4, line 123, claim 8, for "and" first occurrence read "an"; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 25th day of July, A. D. 1933.

M. J. Moore.

(Seal) Acting Commissioner of Patents.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2597593 *Feb 16, 1948May 20, 1952Neuner Carl JDispensing container with detachable spout nestable in said container in nonuse position
US2641386 *Aug 13, 1948Jun 9, 1953Meyers Cornelius WCollapsible pouring spout
US2811389 *May 31, 1956Oct 29, 1957Fischer Ind IncTamper-proof proportioner and dispenser
US3675830 *Aug 10, 1970Jul 11, 1972Clyde H ClementBeverage pump dispenser
US4023491 *Mar 10, 1975May 17, 1977Monarch Marking Systems, Inc.Ink fountain and supply system for a printing press
US4911329 *Oct 28, 1988Mar 27, 1990Ferruccio CaniniExtendable-spout pouring device for containers
US5365980 *May 28, 1991Nov 22, 1994Instant Terminalling And Ship Conversion, Inc.Transportable liquid products container
US7866512 *Aug 24, 2005Jan 11, 2011Lutz Pumpen GmbhContainer system
Classifications
U.S. Classification222/385, 222/539
International ClassificationB65D47/34, B67D7/60, B67D7/58
Cooperative ClassificationB67D7/60
European ClassificationB67D7/60