US3417902A - Dispenser for viscous materials - Google Patents

Dispenser for viscous materials Download PDF

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US3417902A
US3417902A US666908A US66690867A US3417902A US 3417902 A US3417902 A US 3417902A US 666908 A US666908 A US 666908A US 66690867 A US66690867 A US 66690867A US 3417902 A US3417902 A US 3417902A
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bar
case
dispenser
roller
teeth
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Mirka Steve
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/40Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for metering discharge

Definitions

  • This invention relates to dispensers generally, and more particularly to a dispenser of the type suitable for use in removing toothpaste and other materials of similar consistency from collapsible tubes. Most toothpaste dispensers now in use are unable to deliver repetitiously uniform amounts of paste from the tube.
  • This invention comprises a mountable case for supporting therein a collapsible container.
  • a slidable bar gear in the case operated by a cam, drives a roller which squeezes the collapsible container and forces the contents into a discharge port.
  • a spring loaded valve controlling the discharge port, is operated by a lever which drives the cam, so that the valve is opened as the container is being squeezed. When the lever is released', the deforming force of the roller on the collapsible container is thereby relieved, and the spring loaded valve yautomatically closes the discharge port.
  • FIGURE l is a section view showing structural details of the applicants dispenser with the operator bar 36 in its elevated position.
  • FIGURE 2 is a fragmentary section view, taken substantially on plane 2-2 in FIGURE l, showing the U shaped lever 78 and the cam 74 on the rotatable shaft 76.
  • FIGURE 3 is a section view, taken substantially on plane 3-3 in FIGURE l, showing the pivoted connectors 46 attaching the operator bar 36 to the bar gear 44.
  • FIGURE 4 is ya section view, similar to yFIGURE l, showing the operator bar 36 in its lowered position.
  • FIGURE 5 is a front elevation view showing the U shaped lever 78 vand the two mounting anges 16 on the case 10.
  • FIGURE 6 is a section view, taken substantially on plane ⁇ 6--6 in FIGURE 4, showing the retractor 30 on the plunger 26.
  • numeral 10 designates a case having a hinged cover 12 secured thereto by a spring loaded hand screw 14.
  • a mounting ange 16 on the top Vand bottom edges of the case 10 has spaced openings 18 therein -for the reception of fasteners, not here shown.
  • a threaded recess 20 in the bottom of the case 10 communicates with a discharge port 22.
  • a valve in the bottom of the case 10 comprises a transverse cylindrical chamber 24 containing a plunger 26 yieldably held over the discharge port 22 by a coil spring 28.
  • a retractor 30 is attached to the plunger 26 by a pin 32 which is slidable in a slot 34 provided in the bottom of the case 10.
  • An upright operator bar 36 having on the top thereof an inwardly projecting seat 38, is slidably engaged in slots 40 in each side of the case 10, which provide upper land lower travel limits for the operator bar 36.
  • a resilient member 42 seated in the bottom of the case 10, yieldably holds the operator bar 36 in its raised position.
  • a bar gear 44 yadjacent the operator bar 36, is movyably attached thereto by pivoted connectors 46 supported at each end on a pintle 48.
  • a spring member 50 around the lower pintles 48 is so disposed as yieldably to urge the bar gear 44 away from the operator bar 36. Teeth 52 on the outer face of the bar gear 44 are provided with a downward rake.
  • a transverse roller S4 has a central pintle 56 slidably retained in vertical slots 58 in each side of the case 10. Teeth 60 on the roller 54 are so inclined as to have a rake oppositely disposed to that of the teeth 52 on the bar gear 44 with which they engage.
  • An upright locking bar 62 adjacent each side of the bar .gear 44, is conned for limited lateral movement in vertical slots 64 in each side of the case 10. Teeth 66 on the locking bars 62, have a downward rake matching that of the teeth 52 on the bar gear 44.
  • Resilient -members 68 in the vertical slots 64 yieldably hold the teeth 66 on the locking ba-rs 62 in engagement with the teeth 60 on the roller 54.
  • a pair of upright tracks 70 fixed in each side of the case 10 adjacent the cover 12, have teeth 72 with an upward rake engaged with the teeth on the roller 54.
  • a ⁇ cam 74 bearing on the seat 38 is fixed on a transverse rotatable shaft 76, extending through both sides of the case 10.
  • a U shaped lever 78 has a pai-r ol arms 80 attached to the ends of the transverse rotatable shaft 76 by set screws 82.
  • a cavity 84 is provided in the lower end of the U shaped lever 78 for reception of a tooth brush 86, -as shown in FIGURES l and 4 of the drawing.
  • the dispenser may be mounted on a wal or other fixed support, either by fasteners inserted througl the openings 18 in the mounting anges 16, or by the us of a suitable adhesive applied to the case 10.
  • the dis is prepared for operation by retracting the liant screw 14 and pivoting the cover 12 to the broken lin position shown in FIGURE l, so as to open the case 1(
  • the bar gear 44 and locking bars 62 are then pushed ot -of contact with the roller 54 so that the latter may be ele vated to the broken line position shown in FIGURE l
  • a collapsible container, such as the toothpaste tube 9i is then introduced into the case 10, and the discharge nec thereon secured in the threaded recess 20.
  • a dispenser for extracting materials from collapsible containers having a discharge neck such dispenser -comprising a case, an upright operator bar slidably ymounted in the case, such operator bar having a raised and a lowered position, resilient means yieldably holding the operator bar in its raised position, a bar gear in the case disposed parallel to the operator bar, such bar gear also having a raised and a lowered position, transverse teeth on the bar gear having a downward rake, pivoted connectors attaching the operator bar to the bar gear, a roller in the case adapted for vertical travel, transverse teeth on the roller engageable with the teeth on the bar gear, such teeth on the roller being so inclined as to present a rake oppositely disposed to that of the teeth on the bar gear with which they engage, resilient means yieldably holding the bar gear in engagement with the roller, at least one upright laterally movable locking bar adjacent the bar gear having teeth thereon with a downward rake, resilient means yieldably holding the locking bars in engagement with the roller, cam means for simultaneously driving
  • the dispenser of claim 1 having in addition thereto; a pair of spaced upright tracks n the case, and teeth on the tracks having an upward rake engaged with the teeth on the roller so as to prevent any lateral movement of the' roller away from the bar gear.
  • valve controlling the discharge port comprises a plunger, a resilient member yieldably holding the plunger over the discharge port, and a retractor on the plunger for engagement with the lever means when the latter is moved to its rear position so as to shift the plunger and open the discharge port.
  • lever means for operating the cam means comprises a rotatable shaft in the case extending through the sides thereof, and a U shaped member attached to both ends of the rotatable shaft.

Description

Dec. 24, 1968 s. MlRKA 3,417,902
DISPENSER FOR VISCOUS MATERIALS 70 BY 5260 64 Z 58 A oRNEY Dec. 24, 1968 s. MIRKA 3,417,902
DISPENSER FOR VISCOUS MATERIALS Filed Sept. ll, 1967 2 Sheets- Sheet 2 xmm IllllIl 4120 /5 3 a@ zg 30 73 54 7&9
mvENToR STEVE MIRKA ATTORNEY United States Patent Ofce 3,417,902 Patented Dec. 24, 1968 3,417,902 DISPENSER FOR VISCOUS MATERIALS Steve Mirka, 9908 Beaverland, Detroit, Mich. 48239 Filed Sept. 11, 1967, Ser. No. 666,908 Claims. (Cl. 222-96) ABSTRACT OF THE DISCLOSURE A dispenser for extracting in pre-selected quantities viscous materials packaged in collapsible containers.
Background of the invention This invention relates to dispensers generally, and more particularly to a dispenser of the type suitable for use in removing toothpaste and other materials of similar consistency from collapsible tubes. Most toothpaste dispensers now in use are unable to deliver repetitiously uniform amounts of paste from the tube.
|Furthermore, such dispensers cannot positively intererupt the flow of paste from the tube after each extraction, so as to prevent a needless waste of the contents. Dispensers for toothpaste also rarely provide a positive means for sealing the tube during non-use; thus permitting the paste to harden so as to impair operating eiciency of the dispenser and eventually render it completely inoperative.
Summary of the invention This invention comprises a mountable case for supporting therein a collapsible container. A slidable bar gear in the case operated by a cam, drives a roller which squeezes the collapsible container and forces the contents into a discharge port. A spring loaded valve, controlling the discharge port, is operated by a lever which drives the cam, so that the valve is opened as the container is being squeezed. When the lever is released', the deforming force of the roller on the collapsible container is thereby relieved, and the spring loaded valve yautomatically closes the discharge port.
Brief description of the drawing FIGURE l is a section view showing structural details of the applicants dispenser with the operator bar 36 in its elevated position.
FIGURE 2 is a fragmentary section view, taken substantially on plane 2-2 in FIGURE l, showing the U shaped lever 78 and the cam 74 on the rotatable shaft 76.
FIGURE 3 is a section view, taken substantially on plane 3-3 in FIGURE l, showing the pivoted connectors 46 attaching the operator bar 36 to the bar gear 44.
FIGURE 4 is ya section view, similar to yFIGURE l, showing the operator bar 36 in its lowered position.
FIGURE 5 is a front elevation view showing the U shaped lever 78 vand the two mounting anges 16 on the case 10.
FIGURE 6 is a section view, taken substantially on plane `6--6 in FIGURE 4, showing the retractor 30 on the plunger 26.
For a more detailed description of the invention, reference is made to the drawing in which numeral 10 designates a case having a hinged cover 12 secured thereto by a spring loaded hand screw 14. A mounting ange 16 on the top Vand bottom edges of the case 10, has spaced openings 18 therein -for the reception of fasteners, not here shown. A threaded recess 20 in the bottom of the case 10 communicates with a discharge port 22.
A valve in the bottom of the case 10 comprises a transverse cylindrical chamber 24 containing a plunger 26 yieldably held over the discharge port 22 by a coil spring 28. A retractor 30 is attached to the plunger 26 by a pin 32 which is slidable in a slot 34 provided in the bottom of the case 10. An upright operator bar 36, having on the top thereof an inwardly projecting seat 38, is slidably engaged in slots 40 in each side of the case 10, which provide upper land lower travel limits for the operator bar 36.
A resilient member 42, seated in the bottom of the case 10, yieldably holds the operator bar 36 in its raised position. A bar gear 44, yadjacent the operator bar 36, is movyably attached thereto by pivoted connectors 46 supported at each end on a pintle 48. A spring member 50 around the lower pintles 48 is so disposed as yieldably to urge the bar gear 44 away from the operator bar 36. Teeth 52 on the outer face of the bar gear 44 are provided with a downward rake.
A transverse roller S4 has a central pintle 56 slidably retained in vertical slots 58 in each side of the case 10. Teeth 60 on the roller 54 are so inclined as to have a rake oppositely disposed to that of the teeth 52 on the bar gear 44 with which they engage. An upright locking bar 62, adjacent each side of the bar .gear 44, is conned for limited lateral movement in vertical slots 64 in each side of the case 10. Teeth 66 on the locking bars 62, have a downward rake matching that of the teeth 52 on the bar gear 44.
Resilient -members 68 in the vertical slots 64, yieldably hold the teeth 66 on the locking ba-rs 62 in engagement with the teeth 60 on the roller 54. A pair of upright tracks 70, fixed in each side of the case 10 adjacent the cover 12, have teeth 72 with an upward rake engaged with the teeth on the roller 54. A `cam 74 bearing on the seat 38, is fixed on a transverse rotatable shaft 76, extending through both sides of the case 10. A U shaped lever 78 has a pai-r ol arms 80 attached to the ends of the transverse rotatable shaft 76 by set screws 82.
A cavity 84 is provided in the lower end of the U shaped lever 78 for reception of a tooth brush 86, -as shown in FIGURES l and 4 of the drawing. The preced ing discussion completes a description of the structura details of the -applicants invention; however, to compre hend more fully the subject matter herein presented, z discussion is next directed tothe manner in which the dis penser is used and operated to perform its intended func tion.
Use and operation In practice, the dispenser may be mounted on a wal or other fixed support, either by fasteners inserted througl the openings 18 in the mounting anges 16, or by the us of a suitable adhesive applied to the case 10. The dis penser is prepared for operation by retracting the liant screw 14 and pivoting the cover 12 to the broken lin position shown in FIGURE l, so as to open the case 1( The bar gear 44 and locking bars 62 are then pushed ot -of contact with the roller 54 so that the latter may be ele vated to the broken line position shown in FIGURE l A collapsible container, such as the toothpaste tube 9i is then introduced into the case 10, and the discharge nec thereon secured in the threaded recess 20. The roller 54 next lowered into contact with the tube 92, and the cove 12 returned to its closed position on the case 10. A tootl brush 86 is then placed in the cavity '84 of the lever 78, z shown in FIGURE l, and a push of suicient magnituc rapplied to move the lever 78 rearwardly.
The lever 78 thereupon swings into contact with tl retractor 30, which is shifted to the position shown FIGURE 4. This movement of the retractor 30 slides tl plunger 26 back in the cylindrical'chamber 24, as shov in FIGURE 4. A partial vacuum is thus created in tl cylindrical chamber 24 thereby implementing the ow I toothpaste from the tube 92 into the space vacated by tl plunger 26.
When the lever 78 moves to its rear position, it also pivots the cam 74 which forces the operator bar 36 and bar gear 44 to their lowered positions, as shown in FIG- URE 4. The roller 54 is thus driven counter-clockwise, as viewed in FIGURES l and 4, by the bar gear 44, which causes it to travel downward on the tracks 70 and exert a deforming force on the collapsible tube 92. Internal pressure is thereby produced in the tube 92, which forces toothpaste into the cylindrical chamber 24 when the plunger 26 is retracted.
When the push on the toothbrush 86 is released, the compressed resilient member 42 forces the operator bar 36 upward to the position shown in FIGURE 1. The pivoted connectors 46 thereupon assume the -full line positions shown in FIGURE l, which retracts the bar gear 44 and disengages its teeth 52 from the teeth 60 on the roller 54. This disengagement permits the spring member 50 to elevate the bar gear 44 whereupon it again automatically engages the roller 54.
Upward travel of the roller 54 is prevented by the locking bars 62 which hold it in a squeezing engagement with the collapsible tube 92. As the operator bar 36 returns to its raised position, it pivots the cam 74 and rotatable shaft 76 which swings the lever 78 forward. As the lever 78 returns to its front position, the coil spring 28 moves the plunger 26 so as to force the preselected charge of toothpaste in the transverse cylindrical chamber 26 through the discharge port 22.
Thus as the brush 86 is drawn across the discharge port 22, the charge of toothpaste is deposited on the bristles of the brush 86. The plunger 26 automatically closes the discharge port 22, as shown in FIGURE l, before the brush 86 is fully withdrawn, thereby preventing any toothpaste from being wasted. This cycle of operation is repeated until the roller 54 has reached the broken line position 98 in FIGURE 4, where the contents of the tube 92 will have -been depleted. The fully collapsed tube 92 is then removed and replaced with a full tube in the manner previously described for placing the dispenser in operation.
Based upon the foregoing discussion, the applicant is of the opinion that his invention has fulfilled a long-felt need in the field of dispensers, and that he has accordingly made a valuable contribution to the related art. However, while the invention was described with reference to the structure details of a single embodiment, it will be appreciated by those familiar with the art that the principles involved are susceptible of numerous other practical adaptations.
I therefore claim as new and desire to secure by Letters Patent:
1. A dispenser for extracting materials from collapsible containers having a discharge neck, such dispenser -comprising a case, an upright operator bar slidably ymounted in the case, such operator bar having a raised and a lowered position, resilient means yieldably holding the operator bar in its raised position, a bar gear in the case disposed parallel to the operator bar, such bar gear also having a raised and a lowered position, transverse teeth on the bar gear having a downward rake, pivoted connectors attaching the operator bar to the bar gear, a roller in the case adapted for vertical travel, transverse teeth on the roller engageable with the teeth on the bar gear, such teeth on the roller being so inclined as to present a rake oppositely disposed to that of the teeth on the bar gear with which they engage, resilient means yieldably holding the bar gear in engagement with the roller, at least one upright laterally movable locking bar adjacent the bar gear having teeth thereon with a downward rake, resilient means yieldably holding the locking bars in engagement with the roller, cam means for simultaneously driving the operator bar and the bar gear to their lowered positions, lever means pivotally supported by the case for operating the cam means, such lever means having a front and a rear position, holding means in the case for receiving the discharge neck of the collapsible container, a discharge port in the holding means providing communication with the interior of the `collapsible container, and a valve controlling the discharge port, such valve being actuated by the lever means when the latter is moved to its rear position so as to operate the cam and drive the roller downward to collapse the container.
2. The dispenser of claim 1 having in addition thereto; a pair of spaced upright tracks n the case, and teeth on the tracks having an upward rake engaged with the teeth on the roller so as to prevent any lateral movement of the' roller away from the bar gear.
3. The dispenser of claim 1 in which the valve controlling the discharge port comprises a plunger, a resilient member yieldably holding the plunger over the discharge port, and a retractor on the plunger for engagement with the lever means when the latter is moved to its rear position so as to shift the plunger and open the discharge port.
4. The dispenser of claim 3 in which the lever means for operating the cam means comprises a rotatable shaft in the case extending through the sides thereof, and a U shaped member attached to both ends of the rotatable shaft.
5. The dispenser of clai-m 4 in which the cam means comprises a cam mounted on the rotatable shaft.
References Cited UNITED STATES PATENTS 2,715,979 8/ 1955 Leonard 222-101 2,742,189 4/ 1956 Morrison Z22-505 X 2,837,243 6/ 1958 Zebnik 222-101 3,347,288 10/ 1967 Rutherford 141-362 ROBERT B. REEVES, Primary Examiner.
NORMAN L. STACK, Assistant Examiner.
U.S. C1. X.R. 141-362; 222-101
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019655A (en) * 1975-12-17 1977-04-26 Moeller Wolfgang W Mechanical dispenser
US4258864A (en) * 1980-01-21 1981-03-31 Karamanolis Peter K Toothpaste dispenser
DE2942907A1 (en) * 1979-10-24 1981-05-07 Dieter 4937 Lage Mayer Tube squeeze emptying device - consists of base plate with movable squeezing member made as friction element formed as pressure roller
US4331265A (en) * 1981-01-07 1982-05-25 Warlick Harley A Tube squeezer-dispenser with drip prevention
US4508240A (en) * 1983-01-20 1985-04-02 Miguel Angel Arango Device for extracting paste from a tube
US4600126A (en) * 1983-01-20 1986-07-15 Miguel A. Arango Toothpaste extractor
EP0204875A1 (en) * 1983-11-23 1986-12-17 Allan Leslie Smith Dispenser
DE3611349A1 (en) * 1986-04-04 1987-10-08 Rainer Kuenstler Paste dispenser for squeezing out deformable tubes
WO1987005879A1 (en) * 1986-03-25 1987-10-08 Arango Miguel A Toothpaste extractor or dispenser
US5400839A (en) * 1993-03-12 1995-03-28 Cravett; Michael T. Home dental hygiene apparatus
WO1997000818A1 (en) * 1995-06-22 1997-01-09 Ryu Choon W Flexible tube dispensing apparatus
US6474509B1 (en) 2002-06-14 2002-11-05 John Prince Toothpaste dispensing device
US20050229973A1 (en) * 2004-03-22 2005-10-20 Rodger Holm Apparatus and system for dispensing a product
US20060042051A1 (en) * 2004-08-27 2006-03-02 Irwin Jere F Strips of clips and clip
DE112004000153B4 (en) * 2003-01-17 2008-09-18 Jean, Pierre-Louis, Coral Springs Toothpaste holder and dispenser
US20180134435A1 (en) * 2015-05-15 2018-05-17 Robert Bosch Gmbh Fluid dispenser for the foodstuff supply sector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715979A (en) * 1955-08-23 leonard
US2742189A (en) * 1953-11-30 1956-04-17 Robert L Morrison Tube dispenser
US2837243A (en) * 1956-04-12 1958-06-03 Zebnik Herbert M La Automatic toothpaste dispenser
US3347288A (en) * 1965-01-18 1967-10-17 Harry T Rutherford Paste container and dispenser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715979A (en) * 1955-08-23 leonard
US2742189A (en) * 1953-11-30 1956-04-17 Robert L Morrison Tube dispenser
US2837243A (en) * 1956-04-12 1958-06-03 Zebnik Herbert M La Automatic toothpaste dispenser
US3347288A (en) * 1965-01-18 1967-10-17 Harry T Rutherford Paste container and dispenser

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019655A (en) * 1975-12-17 1977-04-26 Moeller Wolfgang W Mechanical dispenser
DE2942907A1 (en) * 1979-10-24 1981-05-07 Dieter 4937 Lage Mayer Tube squeeze emptying device - consists of base plate with movable squeezing member made as friction element formed as pressure roller
US4258864A (en) * 1980-01-21 1981-03-31 Karamanolis Peter K Toothpaste dispenser
US4331265A (en) * 1981-01-07 1982-05-25 Warlick Harley A Tube squeezer-dispenser with drip prevention
US4508240A (en) * 1983-01-20 1985-04-02 Miguel Angel Arango Device for extracting paste from a tube
US4600126A (en) * 1983-01-20 1986-07-15 Miguel A. Arango Toothpaste extractor
EP0204875A1 (en) * 1983-11-23 1986-12-17 Allan Leslie Smith Dispenser
WO1987005879A1 (en) * 1986-03-25 1987-10-08 Arango Miguel A Toothpaste extractor or dispenser
DE3611349A1 (en) * 1986-04-04 1987-10-08 Rainer Kuenstler Paste dispenser for squeezing out deformable tubes
US5400839A (en) * 1993-03-12 1995-03-28 Cravett; Michael T. Home dental hygiene apparatus
WO1997000818A1 (en) * 1995-06-22 1997-01-09 Ryu Choon W Flexible tube dispensing apparatus
US5692645A (en) * 1995-06-22 1997-12-02 Choon Woo Ryu Flexible tube dispensing apparatus
US6474509B1 (en) 2002-06-14 2002-11-05 John Prince Toothpaste dispensing device
DE112004000153B4 (en) * 2003-01-17 2008-09-18 Jean, Pierre-Louis, Coral Springs Toothpaste holder and dispenser
US20050229973A1 (en) * 2004-03-22 2005-10-20 Rodger Holm Apparatus and system for dispensing a product
US7487890B2 (en) * 2004-03-22 2009-02-10 Rodger Holm Apparatus and system for dispensing a product
US20060042051A1 (en) * 2004-08-27 2006-03-02 Irwin Jere F Strips of clips and clip
US20180134435A1 (en) * 2015-05-15 2018-05-17 Robert Bosch Gmbh Fluid dispenser for the foodstuff supply sector
US10124921B2 (en) * 2015-05-15 2018-11-13 Robert Bosch Gmbh Fluid dispenser for the foodstuff supply sector

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