EP0160139B1 - Flüssigkeitsspender - Google Patents

Flüssigkeitsspender Download PDF

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Publication number
EP0160139B1
EP0160139B1 EP84302943A EP84302943A EP0160139B1 EP 0160139 B1 EP0160139 B1 EP 0160139B1 EP 84302943 A EP84302943 A EP 84302943A EP 84302943 A EP84302943 A EP 84302943A EP 0160139 B1 EP0160139 B1 EP 0160139B1
Authority
EP
European Patent Office
Prior art keywords
liquid
container
chamber
outlet
dispenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP84302943A
Other languages
English (en)
French (fr)
Other versions
EP0160139A1 (de
Inventor
John George Kaufman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84302943T priority Critical patent/ATE62193T1/de
Priority to EP84302943A priority patent/EP0160139B1/de
Priority to DE8484302943T priority patent/DE3484394D1/de
Priority claimed from AU27594/84A external-priority patent/AU579817B2/en
Publication of EP0160139A1 publication Critical patent/EP0160139A1/de
Application granted granted Critical
Publication of EP0160139B1 publication Critical patent/EP0160139B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0216—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by squeezing collapsible or flexible storage containers
    • B67D7/0222—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by squeezing collapsible or flexible storage containers the dispensed quantity of liquid being replaced by air sucked through the dispensing opening
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/122—Dispensers for soap for liquid or pasty soap using squeeze bottles or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/32—Containers adapted to be temporarily deformed by external pressure to expel contents

Definitions

  • the invention relates to a liquid dispenser comprising a hollow container body for containing a supply of liquid to be dispensed; said container body having a bottom wall and a sidewall and defining an air space having a partial vacuum in the interior of said container above the main body of said liquid; means defining a chamber in the interior of said container body, and located adjacent the bottom wall; a liquid passageway providing communication at a lower portion of said chamber between the bottom of said main body of liquid and the interior of said chamber and thereby providing an auxiliary body of the liquid within said chamber, the auxiliary body having a level in the chamber above which is air at atmospheric pressure, the level of said auxiliary body of liquid being controlled by the existence of the partial vacuum in said space, a liquid outlet providing communication directly between an upper portion of said chamber above the level of said auxiliary body of liquid in a non-dispensing condition and the external atmosphere; means for temporarily increasing the pressure in said air space to cause flow of liquid through the liquid outlet and decreasing the pressure in said air space so that air will be sucked back into the dispenser
  • the liquid outlet structure shown in this reference is located at the bottom of or below the container body when the latter is oriented with the opening at the underside of it.
  • Such structure is believed to represent a marked advance over other types of liquid dispensers and particularly for those applications where it is desired to dispense the liquid product at the bottom of or below the squeeze bottle and through attached auxiliary dispensing structure not forming part of the container body itself as illustrated in Figs 2 and 3 of the patent.
  • the known dispenser as shown in Fig. 1 of this reference is quite sensitive to temperature changes and tends to leak out the liquid if exposed to greater changes in temperature. Besides this, as soon as most of the liquid is dispensed the rest cannot be brought out of the dispenser and also liquids of relatively low viscosity are difficult to handle.
  • United States 3,157,319 to Schwienbacher discloses another bottom dispensing device far dispensing an easily dripping liquid.
  • the schwienbacher device comprises a resiliently deformable container with a discharge opening arranged in the bottom of the container, a hood associated with the bottom of the container, with an opening for allowing liquid in the interior of the container to flow past the bottom of the hood Into the interior of the hood, and an outlet tube extending from an air space in the hood through the bottom of the container.
  • the present invention is based on an appreciation of the fact that, in a liquid container having a structure defining a chamber within the container and an outlet providing communication between an air space in the chamber and the exterior of the container, it is not necessary to provide an outlet at the bottom or beneath the container but that, on the contrary, the outlet can be provided through a sidewall of the container in order to enable the discharge or outflow of the liquid, or in some cases the vapor of the liquid, from the chamber through the sidewall of the container.
  • liquid consumer products for example, liquid soap
  • a container which can be operated to discharge the product laterally from the container and at a position which can readily be visually observed by the user of the container.
  • FIG. 1 illustrates three basic forms or embodiments of the invention.
  • the air pocket chamber is disposed opposite the bottom wall and is surrounded by liquid.
  • a sidewall forms part of the air pocket chamber.
  • the air pocket chamber is formed by a tubular structure inserted through an opening in the sidewall.
  • Fig. 1 is a diagrammatic representation of a compressible container and discharge means therefor according to one form of the first embodiment of the invention
  • Fig. 2 is a diagrammatic representation of a modification of the Fig. 1 construction
  • Fig. 3 is a diagrammatic representation of a compressible container with a sidewall forming part of the air pocket chamber according to a second embodiment of the invention
  • Fig. 4 is a cross-sectional view taken in the direction of line 4-4 of Fig. 3;
  • Figs. 5 and 6 are diagrammatic representations of a compressible container and discharge means according to the third embodiment of the invention with Fig. 5 illustrating the container in a filling position and Fig. 6 in a dispensing position;
  • Figs. 7 and 8 are diagrammatic representations of a compressible container and discharge means as a modification of the third embodiment of the invention with Fig. 7 illustrating the container in a filling position and Fig. 8 illustrating the container in a dispensing position;
  • Figs. 9 and 10 are diagrammatic representations of a container and discharge means according to a further modification of the third embodiment of the invention with Fig. 9 representing the container in a filling position and Fig. 10 in a dispensing position; and
  • Fig. 11 is a diagrammatic representation of a modification of the second embodiment in which, like Fig. 3, a sidewall forms part of the air pocket chamber.
  • a container 20 in the body of which is a liquid 22 such as liquid soap, shaving cream, detergent, or the like, and which extends up to a level 24.
  • An air space V-2 is left above the liquid level 24 as the product is consumed.
  • An air pocket V-1 is formed by an inner container 32 provided within the body of container 20 and overlying a portion of the bottom wall 38 on which container 20 normally rests. This can be achieved by blow-moulding the container 20 around the container 32. Free communication between the interior of the container 20 and the container 32 is provided by means of slots 35 or other openings.
  • container 32 can simply be mounted with its bottom open end spaced a predetermined distance above the inside surface of bottom wall 38.
  • Container 20 Protruding outwardly and upwardly through the sidewall 40 and sealed thereto is an outlet passage in the form of a conduit 30 with the inlet end 34 of the outlet conduit 30 serving to enclose and communicate with the upper end of the inner container 32.
  • the body of container 20 is substantially sealed apart from the outlet conduit 30.
  • Container 20 may be formed entirely of a compressible material or as illustrated in Fig. 1 may be essentially rigid except for a compressible portion 42.
  • a cap 44 may be used to close the outer discharge opening 45 of outlet 30 if desired.
  • any liquid, whether in the outer container 20 or inner container 32 will not escape or drip from the outlet conduit 30 so long as the container 20 is not compressed or otherwise disturbed and even in the presence of relatively wide variation in the environmental temperature or atmospheric pressure.
  • the cap 44 is thus not necessary to prevent escape or dripping of the fluid under normal operation conditions of temperature and atmospheric pressure changes.
  • Outlet conduit can be made as large as required to suit the nature and liquid and operating conditions to prevent run-out or dripping.
  • the pressure P in the space V-2 above the liquid level must be increased by some suitable means.
  • this pressure increase can be achieved merely by squeezing.
  • a compressible portion 42 can be compressed to achieve the same effect. No lifting of the bottle is required in either case.
  • the volume V-1 between the liquid level 36 and the discharge outlet 45 can be arranged so as to withstand risk of drip, leakage, or the like, and without requiring the use of a cap 44 over the discharge opening 45.
  • FIG. 2 A modification of the Fig. 1 embodiment is illustrated in Fig. 2 in which container 50 is formed with a flexible sidewall 52, a cap 54 for filling the container with the desired liquid product 57, an inner container 56 and innerconnected outlet 58 with suitable holes 68 or other openings to allow free transmission between the liquid in outer container 50 and inner container 56.
  • container 50 is furthermore formed in its lower portion with a confining structure 62 so as to provide, in effect, a constricting well around the bottom of inner container 56 to facilitate emptying the product once it is near empty.
  • a confining structure 62 so as to provide, in effect, a constricting well around the bottom of inner container 56 to facilitate emptying the product once it is near empty.
  • FIG. 3 and 4 Another practical embodiment is diagrammatically illustrated in Figs. 3 and 4 in which there is shown a flexible wall container 70 with a top cap 72 for filling the container and with the internally-formed sloping bottom wall 74 to facilitate final emptying of the contents of container 70.
  • Another inner formed vertical wall structure 76 spans the container internally and in conjunction with a suitably formed outer sidewall structure 78 establishes the space V-1 in Fig. 3.
  • Wall structure 76 is also placed so as to assist in employing the container particularly when near empty. Openings 80, slots or the like are provided to communicate the liquid 82 in the outer container 70 with the liquid 84 below volume V-1 in Fig. 3.
  • a schematically-illustrated, flip-type closure 86 is arranged to pivot on the side of container 70 and when closed and not in use to rest against the wall 78.
  • the flip-type closure 86 is raised as in Fig. 3 the outside atmosphere is communicated with the space V-1 in Fig. 3 through channel 88.
  • This container is made by locating the flip-type closure 86 in the mold and forming the container 70 around it.
  • the level of liquid 84 below space V-1 will rise and as sufficient pressure is applied, the fluid will be discharged through channel 88 in whatever quantity is desired.
  • the sloping wall 74 and barrier wall 76 will enhance discharge of essentially all of the contents of the container.
  • atmospheric air will be drawn back into the container 70 through channel 88, will bubble through liquid 82, all of which takes place rapidly enabling the user to restore the closure 86 to its nested position.
  • Figs. 5-10 are next described all of which are noted as being basically related to a third embodiment of the invention in which the container is designed to be filled with the container in what might be referred to as a vertical position and to be discharged with the container rotated 90 degrees to what can be referred to as a side dispensing position.
  • a further characteristic of those forms of the invention illustrated in Figs. 5-10 is that a cap, valve, discharge conduit and air chamber structure are all designed such that they can be formed as an integral unit separate and apart from the outer container for installation either at the factory or by the consumer.
  • the air chamber and discharge structure are formed as part of the conatiner structure and are thus fixed in position at the time of manufacture.
  • a flexible wall container 90 during filling utilizes a removable cap-discharge structure 92 such that the liquid 94 can be admitted through the opening 96.
  • Structure 92 includes the cap 98 and on this a schematically illustrated flip-type closure 100 which communicates with a tube 102.
  • Tube 102 in use, as in Fig. 6 establishes the volume V-1 and communicates with the channel 104 in closure 100.
  • Fig. 5 illustrates a flexible wall container 90 during filling utilizes a removable cap-discharge structure 92 such that the liquid 94 can be admitted through the opening 96.
  • Structure 92 includes the cap 98 and on this a schematically illustrated flip-type closure 100 which communicates with a tube 102.
  • Tube 102 in use, as in Fig. 6 establishes the volume V-1 and communicates with the channel 104 in closure 100.
  • FIG. 1 As best seen in Fig.
  • the lower intake end of tube 102 is raised a predetermined distance above the sloping wall 106 such that the liquid 94 in container 90 seeks a predetermined level in the space 110 below volume V-1 allowing discharge of the liquid 108 through channel 104 when closure 100 is open and the compressible walls of container 90 are compressed with the sloping wall 106 facilitating emptying of the content.
  • a flexible wall container 120 in Figs. 7 and 8 with Fig. 7 representing a filling position and Fig. 8 an operating dispensing position.
  • tube 122 forming part of the cap, closure and outlet structure 124 is made flexible and is positioned by means of an internally-formed guide baffle 126. Structure 124 thus can be entirely removed (as illustrated by a somewhat similar embodiment in Fig.
  • the container is then brought to the position shown in Fig. 8 adapted for dispensing through the sidewall 144 through channel 142 of closure 140 with the sloping wall 148 facilitating emptying of the contents of container 120.
  • Figs. 9 and 10 illustrate a further variation in which the flexible wall container 160 is filled with the liquid contents 162 and the container is sealed by means of the removable cap 164.
  • Cap 164 can be a snap-on cap, puncture-type cap, or the like.
  • the structure 166 comprising a snap-on cap 168, a schematically illustrated flip-type closure 170, and a discharge outlet tube 172 with the structure 166 being mounted in use as illustrated in Fig. 10 and with the container 160 resting on bottom wall 174 for discharge through sidewall 176.
  • the lower end of tube 172 is raised above bottom wall 174 as illustrated in Fig.
  • Fig. 11, like Fig. 3, illustrates a construction in which the container 225 is effectively pinched during molding along pinch lines 226, 227 in the manner in which handles are formed on plastic bottles and so as to form the internal air pocket space V-1 utilizing the outer sidewall 230 as part of the air pocket chamber.
  • an outlet 235 is formed and which may receive a cap, not shown, in addition to the filling cap 236.
  • Fig. 11 thus represents an extremely simple sidewall dispensing construction according to the invention.
  • any of the outlet arrangements could be arranged with appropriate orifices so as to induce a spray effect with selected liquids such as perfumes, deodorizers, and the like, if desired.
  • the invention containers can also be squeezed when suspended.
  • each of the embodiments provides the inner air space V-1 with the level of the liquid below space V-1 being controlled by the partial vacuum V-2 established in all embodiments with the container sealed except for the outlet.
  • the sidewall outlet in any of the several forms described can thus be open but nevertheless with appropriate design will not drip or leak in spite of wide variations in temperature so long as the container is not disturbed.
  • All embodiments furthermore provide the advantage of inherently guiding any excess fluid back into the space below the volume V-1 whenever the compression is released by the user. Thus, there is in effect a self-cleaning action each time the container is employed.
  • a cap is not essential to permit filling of the container. Liquid could be inserted through an opening during manufacture which is then sealed or the container could be filled in an Inverted position, or any other position, the opening sealed and the container then righted.
  • the discharge structure can be mounted within the container so as to minimize leakage and also the fact that any of the illustrated sidewall discharge arrangements can be substantially varied in size so as to accommodate to either small or wide temperature variations according to the specific design of the practical embodiment utilizing the invention.
  • the various embodiments readily lend themselves to being made in a variety of shapes by high production techniques and are adapted to be transported without leakage and over long distances between the point of manufacture and the point of sale and with a range of liquids of varying viscosity.
  • the air pocket chambers are formed within the container and are adapted to being formed as relatively thin wall chambers and with minimum use of material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (9)

  1. Flüssigkeitsspender mit
    a) einem Behälterkörper (20) zur Aufnahme
    b) einer Menge an Flüssigkeit (22), die abzugeben ist,
    c) wobei der Behälterkörper eine Bodenwand (38) und eine Seitenwand (40) aufweist und einen Luftraum (26) umschließt, der teilweise ein Vakuum im Inneren des Behälters oberhalb des Hauptflüssigkeitskörpers aufweist;
    d) Mitteln, die eine Kammer (32) im Inneren des Behälterkörpers bilden und benachbart zur Bodenwand angeordnet sind;
    e) einem Flüssigkeitsdurchgang (35), der eine Verbindung am unteren Bereich der kammer (32) zwischen dem Boden des Flüssigkeitshauptkörpers und dem Innenraum der Kammer (32) schafft und hierdurch einen Hilfskörper an Flüssigkeit innerhalb der Kammer (32) bildet, wobei der Hilfskörper einen Spiegel (36) in der Kammer (32) aufweist, über dem sich Luft (V-1) bei Atmosphärendruck befindet, und der Spiegel (36) des Flüssigkeitshilfskörpers durch die Gegenwart des Teilvakuums im Raum (26) gesteuert ist;
    f) einem Flüssigkeitsauslaß (30), der eine Verbindung direkt zwischen einem oberen Bereich dieser Kammer (32) oberhalb des Spiegels (36) des Flüssigkeitshilfskörpers in einem Nichtausgabezustand und der externen Atmosphäre schafft;
    g) Mitteln zum zeitweiligen Anheben des Drucks in dem Luftraum, wodurch Flüssigkeit durch den Flüssigkeitsauslaß fließt und zum Absenken des Drucks in dem Luftraum, so daß Luft in den Spender durch den Flüssigkeitsauslaß zurückgesaugt wird,
    dadurch gekennzeichnet,
    daß der Flüssigkeitsauslaß kontinuierlich von der Oberfläche des Hilfsflüssigkeitskörpers in der Kammer nach oben vom oberen Ende der Kammer (32) zur Außenseite des Behälterkörpers (20) führt, wobei der Flüssigkeitsauslaß sich durch die Seitenwand (40) des Behälterkörpers (20) erstreckt,
  2. Spender nach Anspruch 1, bei dem der Behälterkörper (20) zumindest teilweise elastisch flexibel ist, um die Flüssigkeit durch den Auslaß (30) auszustoßen.
  3. Flüssigkeitsspender nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Auslaß (30) einen Auslaßkanal (34) aufweist, der zur Kammer (32) nach unten abfällt.
  4. Flüssigkeitsspender nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Kammer (32) derart geformt ist, daß sie vollständig von der Flüssigkeit umgeben ist, die in dem Behälterkörper (20) enthalten ist.
  5. Flüssigkeitsspender nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kammer (227) derart geformt ist, daß sie teilweise von der Flüssigkeit umgeben ist, die in dem Behälterkörper (20) enthalten ist.
  6. Flüssigkeitsspender nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kammer aus einer röhrenförmigen Struktur (102) geformt ist, die durch eine Öffnung (96) in der Seitenwand eingesetzt ist und durch eine Kappenstruktur (98) gesichert ist, die auf der Seitenwand befestigt ist.
  7. Flüssigkeitsspender nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Auslaß zumindest teilweise mit einem einstellbaren Verschlußmittel (86) versehen ist, das eine erste Stellung, in der der Auslaß gegenüber der umgebenden Atmosphäre offen ist, und eine zweite Stellung aufweist, in der der Auslaß gegenüber der umgebenden Atmosphäre geschlossen ist.
  8. Flüssigkeitsspender nach Anspruch 6, dadurch gekennzeichnet, daß zur Kappenstruktur (98) ein klappenartiges Ventil (100) gehört, das den Auslaß mit dem Rohr in Strömungsverbindung bringt.
  9. Flüssigkeitsspender nach Anspruch 5, dadurch gekennzeichnet, daß die Kammer durch eine Wand des Behälters und eine mit der Behälterwand integrale Innenwand gebildet ist, die nach innen und unten zum Behälterboden vorsteht und oberhalb des Bodens unter Bildung das Flüssigkeitskanals endet und, wenn der Spender nahezu leer ist, es gestattet, daß der Flascheninhalt in die Kammer fließt, wenn die Flasche geneigt wird, so daß die Entleerung des Spenders erleichtert wird.
EP84302943A 1984-05-02 1984-05-02 Flüssigkeitsspender Expired - Lifetime EP0160139B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT84302943T ATE62193T1 (de) 1984-05-02 1984-05-02 Fluessigkeitsspender.
EP84302943A EP0160139B1 (de) 1984-05-02 1984-05-02 Flüssigkeitsspender
DE8484302943T DE3484394D1 (de) 1984-05-02 1984-05-02 Fluessigkeitsspender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP84302943A EP0160139B1 (de) 1984-05-02 1984-05-02 Flüssigkeitsspender
AU27594/84A AU579817B2 (en) 1984-05-02 1984-05-02 Dispensing container for liquid products

Publications (2)

Publication Number Publication Date
EP0160139A1 EP0160139A1 (de) 1985-11-06
EP0160139B1 true EP0160139B1 (de) 1991-04-03

Family

ID=25620320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84302943A Expired - Lifetime EP0160139B1 (de) 1984-05-02 1984-05-02 Flüssigkeitsspender

Country Status (1)

Country Link
EP (1) EP0160139B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2653762A1 (fr) * 1989-10-30 1991-05-03 France Assessoires Automobiles Melangeur distributeur manuel pour produits composes d'un melange.
IT1307286B1 (it) * 1999-12-03 2001-10-30 Ennio Cardia Dispositivo per l'erogazione controllata di liquidi e/o sostanzecremose e/o sostanze scorrevoli.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324349A (en) * 1980-01-14 1982-04-13 Kaufman John George Container for dispensing liquid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794472A (fr) * 1972-02-12 1973-05-16 Schumm Erich Appareil distributeur pour matieres liquides ou pateuses
EP0078114A1 (de) * 1981-10-26 1983-05-04 KAUFMAN, John George Vorrichtung zum Zuführen von Flüssigkeiten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324349A (en) * 1980-01-14 1982-04-13 Kaufman John George Container for dispensing liquid

Also Published As

Publication number Publication date
EP0160139A1 (de) 1985-11-06

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