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EP0549015B1 - Abgabebehälter für sterile Lösungen mit einer Ventileinrichtung - Google Patents

Abgabebehälter für sterile Lösungen mit einer Ventileinrichtung Download PDF

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Publication number
EP0549015B1
EP0549015B1 EP19920203693 EP92203693A EP0549015B1 EP 0549015 B1 EP0549015 B1 EP 0549015B1 EP 19920203693 EP19920203693 EP 19920203693 EP 92203693 A EP92203693 A EP 92203693A EP 0549015 B1 EP0549015 B1 EP 0549015B1
Authority
EP
European Patent Office
Prior art keywords
dispenser
container
valve
valve assembly
nozzle housing
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
EP19920203693
Other languages
English (en)
French (fr)
Other versions
EP0549015A1 (de
Inventor
Rowland William Kanner
Joseph Vincent Ranalletta
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.)
Ryder International Corp
Original Assignee
Ryder International Corp
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 Ryder International Corp filed Critical Ryder International Corp
Publication of EP0549015A1 publication Critical patent/EP0549015A1/de
Application granted granted Critical
Publication of EP0549015B1 publication Critical patent/EP0549015B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/047—Deformable containers producing the flow, e.g. squeeze bottles characterised by the outlet or venting means
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2056—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
    • B65D47/2081—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve port

Definitions

  • the present invention relates generally to containers for dispensing solution, or the like, and more particularly to a dispensing container in the form of a tube member with a valve assembly for controllably dispensing the contents of the container wherein a component of the valve assembly is formed as an integral portion of the tube member.
  • Dispensing containers are commonly used for a variety of products including contact lens solution, hygiene products, and other pharmaceutical, consumer, and chemical products.
  • these containers are formed of a plastic material and provide for a nozzle housing portion to be attached either with a snap-fit or a threaded arrangement.
  • Such dispensers can be formed with a tubular container portion having a flat base or a tubular container portion which has been pinched off at the bottom end such as is commonly found on a "toothpaste-type" tube. Further, the wall thickness of the tubular container portion is generally consistent throughout the entire container.
  • sterile pharmaceutical and chemical preparations are often packaged and distributed in small volume containers.
  • the small volume container provides several advantages including dosage control, freshness assurance, and as a practical means for dispensing small quantities.
  • One problem which has arisen with these dispenser-type containers is that the connection point between where the valve assembly attaches to the container portion provides a potential point of access for tampering with the contents of the container. For example, if the valve assembly is attached to the container by means of a threaded arrangement, the valve assembly may be detached from the container to gain access to the contents of the container.
  • Another potential point of contamination is by way of a failure at the connection point between the valve assembly and the container portion.
  • An example of this is when the valve assembly is incorrectly attached to the container portion or when the dispenser is somehow damaged so that there is a material failure or attachment failure at the point where the valve assembly attaches to the container.
  • inspection of the assembled dispensers is required as a added measure to thwart tampering and to identify damaged dispensers.
  • An additional consideration is that in the preparation of sterile products, preserved or non-preserved, additional care must be taken in the connection of the valve assembly to the container to prevent contamination of the container during the assembly of the dispenser.
  • Typical "toothpaste" tubes have a container portion which permit the tube to be rolled as a product is used. These containers generally do not retain a rolled-up form and thus are hard to manipulate while dispensing a product therefrom. For example, when dispensing a product from a dispenser having a plastic container portion, the container portion tends to pinch in the middle causing inefficient control while dispensing the product.
  • valve assembly is a one-way valve assembly which prevents return air from entering into the container portion during a dispensing operation.
  • a general object of the present invention is to provide a dispenser having a valve assembly and a tube-like container portion which eliminates a connection point between the valve assembly and the tubular container.
  • a more specific object of the present invention is to provide a dispenser which eliminates a potential tampering point between the valve assembly and container.
  • a further object of the present invention is to eliminate a potential contamination entry point between the valve assembly and the container.
  • An additional object of the present invention is to provide a dispenser which has a reduced number of parts thereby reducing the time, effort and expense invested in the assembly of the dispenser.
  • Still another object of the present invention is to provide a dispenser which has container walls which aid in the dispensing of the substance retained in the container for more fully utilizing the contents of the dispenser and providing greater control of the dispensing of the substance from the container.
  • Yet another object of the present invention is to reduce the number of parts in the dispenser assembly and reduce the number of potential contamination causing or tampering failure points.
  • a dispenser in accordance with the invention is defined in Claim 1, whilst preferred features of the invention are defined in the sub-claims.
  • FIG. 1 An exploded view of a dispenser 20 in accordance with the present invention is shown in FIG. 1.
  • the dispenser 20 is comprised of a valve assembly, designated generally with reference numeral 22, a tube-like or tubular container indicated at 32, and, if desired, a cap 34. While a particular type of valve assembly 22 is disclosed and discussed herein, which is of the general type and kind described in detail in US-A-5,025,957, the invention is not limited to the specific detail of the valve assembly.
  • the present invention includes a valve assembly 22 having a nozzle housing portion 24, an elastomeric valve means 26 and a valve base 28.
  • the tubular container 32 is formed with a head segment 33, shown as the valve base 28 in FIG. 1, and which head segment 33 is formed as a continuous, integral, unitary piece of the tubular container 32.
  • the head segment 33 will provide the nozzle housing portion 24 as shown in the alternate embodiment illustrated in FIG. 4.
  • valve assembly 22 as shown in FIG. 1 is assembled so that the valve means 26 is sandwiched between the nozzle housing portion 24 and the valve base 28.
  • An overcap 34 removably attaches to the nozzle housing portion by cooperative threads 36 formed on the outside of the nozzle housing portion 24 and corresponding threads 38 formed on the inside of the overcap 34.
  • FIG. 3 provides an enlarged partial fragmentary cross-sectional view of the valve assembly 22 assembled on the head segment 33 and the container portion 32.
  • the valve means 26 is manifested in the form of an integral diaphragm 40 and column valve 42.
  • An O-ring portion 44 is formed around the outer perimeter of the diaphragm 40 with the integral annular web or diaphragm 40 radially extending between the inside diameter of the O-ring portion 44 and an outside diameter of the column valve 42.
  • the O-ring portion 44 is compressibly retained between the nozzel housing portion 24 and the head portion 33.
  • An annular ledge 43 is formed on an inside surface of the nozzel housing portion 24 and abuts a top surface of the head portion 33 for controlling the degree of compression on the O-ring portion 44 to prevent overcompression of the O-ring portion 44.
  • a tip 48 of the nozzle housing portion 24 is formed with a central bore 50 extending axially along a central axis 52.
  • a ledge portion 54 is formed spaced away from an exit port 55 on the distal end of the tip 48.
  • a shoulder portion 56 of the column valve 42 is sized and dimensioned to engage the ledge portion 54.
  • a dispensing tip 58 of the column valve 42 extends through the exit port 55 of the tip 48.
  • the container 32 integrally formed with the head segment 33 which provides the valve base 28 with the O-ring portion 44 positioned between said valve base 28 and the nozzle housing portion 24.
  • An annular boss 60 formed on an end of the column valve 42 distal the dispenser tip 58 is engaged in a shallow recess 62 formed in the valve base 28 to seal the contents of the container 32 from escaping through the dispensing bore 64.
  • a bore 66 is formed through the valve base 28 in the area of the recess 62 and communicates with the dispensing bore 64 when the annular boss 60 is unseated from the recess 62.
  • the design of the components is such that upon assembly the column valve 42 is pre-loaded to insure sealing contact between boss 60 and the surface of the recess 62.
  • a dispensing chamber 68 is formed between the recess 62, the annular boss 60 sealed thereagainst, the annular web 40, and the O-ring portion 44 compressibly retained between the nozzle housing portion 24 and the valve base 28.
  • Retention of the O-ring portion 44 between the nozzle housing portion 24 and the valve base 28 prevents the O-ring portion 44 from slipping out of sealing engagement when pressure is applied to the annular web 40.
  • Pressure applied to the container 32 forces the contents of the container 32 through the bore 66 creating a pressure in the dispensing chamber 68.
  • Increased pressure in the dispensing chamber pushes against the annular web 40 elastically deforming the annular web 40 and unseating the annular boss 60 from the recess 62.
  • Sidewall portions 70 of the column valve 42 are compressibly pre-loaded between the ledge portion 54 and the recess 62 when the nozzle housing portion 24 is initially assembled and attached to the valve base 28.
  • the O-ring portion 44 is compressibly retained between the nozzle housing portion 24 and the valve base 28.
  • Initial pre-loading of the sidewalls 70 of the column valve 42 prevents unsealing of the annular boss 60 from the recess 62 by mere contact with the container 32.
  • the degree of pre-loading in the sidewall portion 70 is achieved by selecting a particular material with desirable compression characteristics as well as specifically dimensioning the distance between the recess 62 and the ledge portion 54 to compressibly pre-load the sidewall portion 70 when the nozzle housing portion 24 is attached to the valve space 28.
  • An additional consideration for compressibly pre-loading the sidewalls 70 of the column valve 42 is the position of locking lugs 72 and corresponding lug receptacles 74.
  • the lugs 72 are integrally formed on the valve base 28 which forms the head segment 33 in this embodiment.
  • the compressive forces induced upon the sidewall portion 70 and the O-ring portion 44 keep the nozzle housing portion 24 and the valve base 28 in tension at the lugs 72 and the lug receptacles 74.
  • the tension created between the sidewall 70, O-ring portion 44 and the lugs 72, lug receptacles 74 prevent casual unintentional contamination of the contents of the container 32.
  • FIG. 4 references to like parts are referred to with identical reference numerals as used in FIGS. 1-3 with the addition of a lower case letter suffix indicating an alternate embodiment of the element referenced.
  • the lugs 72a formed on the valve base 28a engaged the lug receptacles 74a formed inside of the nozzle housing portion 24a.
  • the valve means 22 of FIG. 4 is shown in the pressurized or operating condition.
  • the tubular container 32a is formed with a continuous, integral, unitary end or head portion 33a which in effect provides the nozzle housing portion 24a of the valve assembly.
  • the valve body 28a is provided by a separate component that is disposed internally to the head portion 33a.
  • the tubular container is initially formed with an open end opposite head portion 33a.
  • the valve body 28a is disposed through this open end and pushed into position as shown in FIG. 4.
  • the end portion 28a includes an annular lug or protrusion 72a that is engaged in an annular recess or groove 74a formed in the interior of the tubular container 32a to maintain the valve body 28a in position.
  • the elastomeric valving element 26 is also assembled through the open end of the tube 32a prior to introduction of the valve body 28a.
  • the column valve portion 42 and the O-ring portion 44 will be preloaded as discussed above.
  • valve body 28a includes a port 66a.
  • the valve body 28a upon pressurizing of the container 32a fluid will enter port 66a and will cause the annular web 40 to flex upwardly, as viewed, to unseat the boss 60 of the column valve 42 from recess 62a.
  • This operation of the valve 22 permits fluid to be dispensed via the nozzle tip 58.
  • the head segment 33 comprises the valve base 28 and is integrally formed with the container 32.
  • the head segment 33a comprises the nozzle housing portion 24a and is integrally formed as a single piece with the container 32a without a seam or connection therebetween.
  • the absence of a seam between the head portion 33a and the tubular container 32a provides the advantage of preventing tampering at the point where the valve assembly 22 connects to the container 32a and also eliminates a potential point of failure which may commonly arise in currently available dispensers 20.
  • the container 32 illustrated in FIG. 1 is shown with an open end 76 distal the valve assembly 22.
  • the tubular container 32 may be formed in a generally cylindrical tubular body. Once the tubular container 32 has been filled, the open end 76 may be sealed either by attaching a base thereto or by compressing and sealing diametrically opposed side panels.
  • FIG. 2 provides a cross-sectional view of an additional novel feature of the present invention, wherein the tubular container 32 is provided with rigidized areas 78 and flexible areas 80.
  • the rigidized areas 78 are spaced apart with flexible areas 80 alternately spaced therebetween. As shown, the rigidized areas 78 have a greater wall thickness 82 than a wall thickness 84 of the flexible areas 80.
  • the rigidized areas 78 extend along the tubular container 32 from the open end 76 upwardly towards the head segment 33.
  • the integrally formed continuous single-piece, rigidized, and flexible area 78,80 facilitate the discharge of the substance from the dispenser 20 when the rigidized areas 78 are diametrically squeezed.
  • the variation in wall thicknesses results in the flexible areas 80 acting as flex points upon which the tube will fold when it is compressed by squeezing the rigidized areas 78.
  • the rigidized areas spread the load of the compressive forces preventing pinching and expelling more product from the tube during the overall use of the dispenser 20.
  • the rigidized and flexible areas 78,80 may also be achieved with a rigidized area wall thickness substantially equal to a flexible area wall thickness.
  • This type of rigidizing is achieved by providing corrugating ridges on the rigidized area.
  • the corrugated ridges extend generally parallel to the central axis 52 along the walls. Absence of the corrugating ridges in the flexible areas 78 result in a more flexible area spaced between the rigidized areas 78.
  • An additional embodiment of the rigidized and flexible areas 78,80 is achieved by forming ribs in the rigidized areas.
  • the wall dimension of the container 32 taken through a rib is greater than a wall diameter 84 taken through the flexible area 80.
  • the ribs extend generally parallel to the central axis 52 and may be formed on the inside of the container or on the outside of the container. Ribs formed on the outside of the container would provide additional gripping advantages.
  • the function of the structure created by the rigidized areas 78 is to facilitate and further advance the controlled dispensing of the substance retained inside of the container 32.
  • Rigidized area helps to more fully discharge the contents of the container with less effort and substantially more control on the part of the user.
  • the rigidized areas 78 create a leveraging, squeezing action on the substance forcing it towards the valve assembly 22 and not towards the sealed end.
  • the tube would tend to pinch in the middle and a portion of the substance in the container 32 would flow away from the valve assembly 22.
  • the rigidized areas 78 and the flexible areas 80 spaced therebetween improve the delivery and dispensing efficiency and dispense the substance retained in the container at a more continuous rate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Tubes (AREA)
  • Closures For Containers (AREA)

Claims (9)

  1. Spender (20) zum Aufbewahren und Ausgeben einer Substanz, - mit
       einem Behälterteil (32) zum Aufbewahren der Substanz, das ein erstes Ende und ein zweites Ende (76) hat und aus einem Stück als durchgehender einheitlicher Körper geformt ist, und
       einer Ventilanordnung (22) für eine kontrollierte Ausgabe der im Behälterteil (32) aufbewahrten Substanz,
    wobei die Ventilanordnung einen Ventilsockel (28) und ein Düsengehäuseteil (24) aufweist, dadurch gekennzeichnet, daß das erste Ende des Behälterteils (32, 32a) ein Kopfsegment (33, 33a) aufweist, das aus einem Stück als durchgehender einheitlicher Teil an dem Behälterteil (32, 32a) angeformt ist und entweder den Ventilsockel (28) oder das Düsengehäuseteil (24a) der Ventilanordnung (22) festlegt, daß das andere Teil (28 oder 24a) an dem Kopfsegment (33, 33a) befestigbar ist und daß die Ventilanordnung (22) ein eingebautes elastomeres Ventilmittel (26) aufweist.
  2. Spender nach Anspruch 1, dadurch gekennzeichnet, daß der Ventilsockel (28) das Kopfsegment (33) festlegt und aus einem Stück als durchgehender einheitlicher Teil an dem ersten Ende des Behälterteils (32) angeformt ist.
  3. Spender nach Anspruch 2, dadurch gekennzeichnet, daß Ansätze (72) an dem Kopfsegment (33) gebildet und an dessen Umfang angeordnet sind und daß Ansatzaufnahmen (74) in einer zugeordneten Fläche des Düsengehäuseteils (24) vorgesehen sind, welche die Ansätze (72) aufnehmen.
  4. Spender nach Anspruch 1, dadurch gekennzeichnet, daß das Düsengehäuseteil (24a) das Kopfsegment (33a) bildet und aus einem Stück als durchgehender einheitlicher Teil an dem ersten Ende des genannten Behälterteils (32) angeformt ist.
  5. Spender nach Anspruch 4, dadurch gekennzeichnet, daß an einer Außenfläche des Ventilsockels (28a) ein ringförmiger Vorsprung (72a) ausgebildet ist und daß in einer entsprechenden Fläche des Kopfsegments (33a) eine ringförmige Rille (74a) gebildet ist, die den ringförmigen Vorsprung (72a) aufnimmt.
  6. Spender nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das elastomere Ventilmittel (26) zwischen dem Ventilsockel (28) und dem Düsengehäuseteil (24) angeordnet und gehalten ist.
  7. Spender nach Anspruch 6, dadurch gekennzeichnet, daß das elastomere Ventilmittel (26) kompressibel zwischen dem Ventilsockel (28, 28a) und dem Düsengehäuseteil (24, 24a) angeordnet ist, um die Ventileinheit (22) kontrollierbar abzudichten.
  8. Spender nach Anspruch 1, dadurch gekennzeichnet, daß das Kopfsegment (33) aus einem Stück als durchgehender einheitlicher Teil an einem ersten Ende des Behälterteils geformt ist, daß das zweite, entfernt von dem Kopfsegment (33) angeordnete Ende (76) eine Öffnung bereitstellt, durch die eine Substanz in den Spender (20) einfüllbar ist, und daß das zweite Ende (76) abgedichtet wird, nachdem der Behälterteil (32) gefüllt ist, um eine Substanz in dem Spender (20) zurückzuhalten.
  9. Spender nach Anspruch 1, gekennzeichnet durch versteifte Abschnitte (78) und flexible Abschnitte (80), die an dem Behälterteil (32) angeordnet sind, um das Entleeren einer in dem Behälterteil (32) des Spenders (20) aufbewahrten Substanz zu erleichtern.
EP19920203693 1991-12-24 1992-11-30 Abgabebehälter für sterile Lösungen mit einer Ventileinrichtung Expired - Lifetime EP0549015B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81395091A 1991-12-24 1991-12-24
US813950 1991-12-24

Publications (2)

Publication Number Publication Date
EP0549015A1 EP0549015A1 (de) 1993-06-30
EP0549015B1 true EP0549015B1 (de) 1996-08-28

Family

ID=25213835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920203693 Expired - Lifetime EP0549015B1 (de) 1991-12-24 1992-11-30 Abgabebehälter für sterile Lösungen mit einer Ventileinrichtung

Country Status (5)

Country Link
EP (1) EP0549015B1 (de)
JP (1) JPH05330565A (de)
AU (1) AU661353B2 (de)
CA (1) CA2083751A1 (de)
DE (1) DE69213192D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009117771A1 (en) * 2008-03-25 2009-10-01 Cormack Packaging Pty Ltd A closure with nozzle and peelable seal

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6062436A (en) * 1998-04-02 2000-05-16 Owens-Illinois Closure Inc. Flexible vented self-sealing dispensing valve
AU2001225412A1 (en) * 1999-02-01 2001-09-03 Waterfall Company, Inc. A modular contamination-avoiding cap delivery system for attachment to neck of acontainer
US6749092B2 (en) * 2001-08-10 2004-06-15 Seaquist Closures Foreign, Inc. Deformable dispensing valve
US6474511B1 (en) 2001-08-31 2002-11-05 Sonoco Development, Inc. Safety cap for fluid dispensing cartridges
DE102011007396A1 (de) 2011-04-14 2012-10-18 Ing. Erich Pfeiffer Gmbh Austragkopf für eine Tube und Tube mit Austragkopf
KR101766199B1 (ko) * 2017-03-29 2017-08-09 주식회사 디더블유메디팜 튜브 캡 및 이를 포함하는 튜브형 용기
CN120922469A (zh) * 2025-10-15 2025-11-11 佛山市山高峰包装材料科技有限公司 一体式喷雾瓶嘴

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628004A (en) * 1951-03-15 1953-02-10 Theodore F Schlicksupp Self-closing collapsible tube
NO750950L (de) * 1974-04-08 1975-10-09 Billy Nilson
EP0060906A1 (de) * 1981-03-21 1982-09-29 STAHLGRUBER Otto Gruber GmbH & Co. Tube aus Kunststoff
US4739906A (en) * 1986-07-14 1988-04-26 Blairex Laboratories, Inc. Storage bottle for contact lens cleaning solution having a self closing valve assembly
US4917271A (en) * 1988-10-07 1990-04-17 Ryder International Corporation Liquid dispensing nozzle assembly with filter
US5183184A (en) * 1988-10-07 1993-02-02 Ryder International Corporation Liquid dispenser nozzle assembly
US5025957A (en) * 1988-10-07 1991-06-25 Ryder International Corp. Liquid dispenser nozzle assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009117771A1 (en) * 2008-03-25 2009-10-01 Cormack Packaging Pty Ltd A closure with nozzle and peelable seal

Also Published As

Publication number Publication date
EP0549015A1 (de) 1993-06-30
AU2969492A (en) 1993-07-01
DE69213192D1 (de) 1996-10-02
JPH05330565A (ja) 1993-12-14
CA2083751A1 (en) 1993-06-25
AU661353B2 (en) 1995-07-20

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