US3201013A - Dispensing and closure cap for containers - Google Patents

Dispensing and closure cap for containers Download PDF

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Publication number
US3201013A
US3201013A US32968263A US3201013A US 3201013 A US3201013 A US 3201013A US 32968263 A US32968263 A US 32968263A US 3201013 A US3201013 A US 3201013A
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Prior art keywords
neck
portion
stopper
annular
flange
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Expired - Lifetime
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Alvin J Porter
Anthony W Merchlewitz
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Product Design and Engineering Inc
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Product Design and Engineering Inc
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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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/243Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving linearly, i.e. without rotational motion
    • 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/245Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a stopper-type element
    • B65D47/247Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a stopper-type element moving linearly, i.e. without rotational motion

Description

1965 A. J. PORTER ETAL 3,

DISPENSING AND CLOSURE CAP FOR CONTAINERS Filed Dec. 11. 1963 l l fi m-555 ALV/A/ J. PORTER AT TORNEYS United States Patent Office Sfidlfilii Patented Aug. 17, lEtiE The invention relates to an improvement in a cap for containers containing a liquid or semi-viscous liquid and more particularly to a cap which provides a closure and a dispensing element, the cap being mounted on a neck of the container.

It is an object of the invention to provide a dispensing and closure cap for a container having a base member and a stopper member which is reciprocable longitudinaliy CJI on a neck formation formed on the base, one of the members being molded of a relatively rigid plastic material andthe other member of an elastic plastic whereby the elastic member may be deformed slightly to allow the two members to be joined together to complete the cap, the more rigid member lending materially to the stability of the cap.

Each member includes a construction which allows the same to be deformed slightly, if made of elastic plastic, whereby the two members may be joined to complete the cap. Although the construction of the cap allows deformation, the same provides for a highly eifective and positive seal between the stopper and the base,

i and in addition provides for a positive sliding movement of the stopper with a minimum or lateral or canting movement of the stopper on the neck of the base. In addition, the construction of the stopper and the cooperating structure of the base allows the stopper to be made in one piece. it is a further feature to provide a hollow neck extending from the top of the base member, the neck being threadless with both the inner and outer sur faces smooth except for a stop shoulder formed internally of the neck.

It will not be here attempted to set forth and indicate all of the various objects and advantages incident to the invention, but other objects and advantages will be referred to in or else will become apparent from that which follows.

The invention will appear more clearly from the following detailed description when taken in connection with the accompanying drawings, showing by way of example a preferred embodiment of the inventive idea wherein like numerals refer to like parts throughout.

In the drawings forming part of this application:

FIGURE 1 is a perspective view of the cap.

FIGURE 2 is an enlarged sectional view on the line 22 of FIGURE 1.

FIGURE 3 is an enlarged sectional view on the line 3-3 of FIGURE 1.

FIGURE 4 is a sectional view of the entire cap on the line 4-4 of FIGURE 2.

FIGURE 5 is a top plan view of the base with the stopper portion removed therefrom.

FIGURE 6 is an enlarged side elevation of the stopper removed from the base, a portion therof being broken away. i

FIGURE 7 is a bottom shown in FIGURE 6.

Referring to the drawings in detail, the cap A includes the base 10 which is formed of the internally threaded cylindrical wall portion 12 adapted to be screwed on thethreaded neck of a container. The base It) is preferably molded of a plastic material and also includes the circular top portion 14 which has extending thereplan view of the stopper as through the axial circular opening 16 communicating with the inside of the wall portion 12 and which is bisected by the support bar 18 extending across a diameter of the opening 16. The support bar 13 is formed with the V-formation 2d at the lower edge thereof to facilitate flow of material past the same. Extending upwardly from the top edge of the support bar 1% and axially of the opening 16 is the elongated closure pin 22.

Also forming part of the base and extending outwardly of the top portion 14 and in axial alignment with the circular opening 16 is the hollow cylindnical neck portion 24 open at the outer end and which communicates with the opening 16. The neck is threadless and smooth surfaced except for the annular stop rib 26 formed internally thereof which has the inner edge portion 28 normal to the axis of the neck 24 and the angularly disposed annular edge portion 3%. The annular stop rib 26 is interrupted at two or more places to aid in molding.

The numeral 32 designates a movable stopper member which is reciprocable longitudinally of the neck 24 from an inner, valve closed position, to an outer valve open position. The stopper 32 includes the hollow cylindrical body portion 34, the outer diameter of which is slightly less than the inner diameter of the neck 24. Formed on the outer lower edge of the body portion 34 of the stopper 32 is the annular stop flange 35, the upper edge 38 of which provides a shoulder. The outer diameter of the flange 36 is substantially that of the ins-ide diameter of the neck 24 whereby sliding sealing contact is made between the flanges 35 and the inner surface of the neck.

Further provided is the upper annular guide and sealing flange 49 formed on the outer surface of the cylindrical stopper body portion 34 and spaced from the stop flange 36 suficiently whereby it is outwardly of the inner stop rib 2d of the neck 24. The outer diameter of the flange 49 is substantially that of the inner diameter of the neck 24; whereby sliding sealing contact is made with the inner surface of the neck. The position of the sealing and guide flange 40 on the stopper is such that it remains in contact with the neck in the uppermost position of the stopper on the neck.

The stopper 32 also includes the outer circular top end portion 42 which has depending therefrom the annular outer flange portion 44 which is spaced from and overlying a portion of the cylindrical body portion 34. With the outer flange portion 44 spaced from the body portion 34 there is thereby formed the annular channel 46 therebetween into which the upper portion of the neck 24 extends. The inner surface of the outer flange 44 is formed with annular sealing rib 47, the inner daimeter of which is substantially that of the outer diameter of the neck 24 whereby sliding sealing contact is made b tween the flange 44 and the neck. The outer flange 4a is flared as at to allow easy gripping of the stopper for sliding movement of the same upon the neck.

The stopper member 32 is operatively mounted on the neck 24 by inserting the cylindrical body portion 34 of the stopper into the neck 24 and due to its resiliency or the resiliency of the neck 24 the same can be forced upon the neck whereby the stop flange 36 is passed downwardly and over the annular stop rib 26 to a position below or inwardly of the rib 26. The engagement of stop flange 36 with stop rib 26 limits the outward movement of the stopper on the neck.

The stopper 32 has formed in the top 42 thereof the axial outlet hole 4% which receives the closure pin 22 when the stopper is moved into closed position as shown in FiGURE 2. The hollow stopper body portion 34 includes the angular annular portion 50 which terminates in the cylindrical opening portion 52 which in turn terminates in the frusto-conical portion 54 leading to the outlet hole 48.

The depth of the annular channel 46 and the length of pin 22 are such that when the upper edge of the neck 24 bottoms-out in the bottom of the channel, the upper end of the closure pin extends fully into the outlet hole 48 to thereby close off the hole 48 by inwardly directed slidable movement of the stopper upon the neck.

To open the cap, the stopper 32 is pulled outwardly and slidably on the neck thereby withdrawing the pin 22 from the outlet hole 48, FIGURE 3, whereby material can be caused to flow past the support bar 18, the pin 22 and out the hole 43. The outward movement of the stopper 32 upon the neck 24 is limited by the stop flange 36 contacting the annular stop rib 26. The inward movement of the stopper to a closed position is limited by the upper edge of the neck 24 contacting the bottom of the channel 46.

The guide and sealing flange 4-6 guides the cap in its reciprocating movement and maintains a seal on the inner surface of the neck 24. The annular stop rib as of the neck 24 provides a stop shoulder for engagement with the edge 38 of stop flange 36 to limit the outward extent of movement of the stopper on the neck 24.

The annular sealing rib 4'7 of the stopper flange 44 makes sealing engagement with the outer surface of the neck 24 at all times and the rib 47 together with flange 4t], and stop flange 36 not only provides effective sealing but positive effective guiding of the stopper in its sliding movement on the neck 24. Further guiding of the stopper is accomplished by the stop rib 26. Further scaling is effected between the neck 24- and the stopper 32 in closed position by reason of the upper edge of the neck bottoming out in the channel 16.

The invention is not to be understood as restricted to the details set forth since these may be modified within the scope of the appended claims without departing from the spirit and scope of the invention.

Having thus described the invention, what is claimed as new and desired to be secured by Letters Patent is: 1. In a two-piece closure and dispensing cap for the neck of a container, a cylindrical base having a top portion with an opening extending therethrough and a hollow cylindrical neck extending therefrom in axial alignment with said opening, an annular stop rib formed on the inner surface of said neck, a closure pin connected to said base and extending axially through the neck, a stopper member having a top portion and a hollow cylindrical body portion for reciprocable movement in said neck, an annular stop flange formed on the lower outer surface of said stopper body portion adapted to sealingly engage the inner surface of the neck and engage said stop rib in said neck, an annular sealing and guide flange formed on the outer surface of said stopper body portion and spaced from said stop flange adapted to sealingly engage the inner surface of the neck, an annular outer flange portion depending from said stopper top portion and spaced from said stopper body portion to form an annular channel surrounding a portion of said a cylindrical body portion of said stopper, an annular sealing rib formed on the inner surface of said annular outer sealing and guide flange adapted to make 'slidable sealing contact with the outer surface of said neck, said top portion of said stopper having an outlet hole formed axially therethrough and adopted to receive said closure pin to close off said hole when said stopper is slidably moved inwardly on said neck with said neck within said annular channel.

2. In a two-piece closure and dispensing cap for the neck of a container, a cylindrical base having a top portion with an opening extending therethrough and a hollow cylindrical neck extending therefrom in axial alignment with said opening, an annular stop rib formed on the inner surface of said neck, a support bar extending across said opening, a closure pin extending from said support bar axially through said neck, a stopper member having a top portion and a hollow cylindrical body portion for reciprocable movement in said neck, an annular stop flange formed on the lower outer surface of said stopper body portion adapted to sealingly engage the inner surface of the neck and engage said stop rib in said neck, an annular sealing and guide flange formed on the outer surface of said stopper body portion and spaced from said stop flange adapted to sealingly engage the inner surface of the neck, and annular outer flange portion depending from said stopper top portion and spaced from said stopper body portion to form an annular channel surrounding a portion of said cylindrical body portion of said stopper, an annular sealing rib formed on the inner surface of said annular outer flange adapted to make slidable sealing contact with the outer surface of said neck, said top portion of said stopper having' an outlet hole formed axially therethrough; and adapted to receive said closure pin to close off said hole when said stopper is slidably moved inwardly on said neck with said neck within said annular channel.

3. In a two-piece closure and dispensing cap for the neck of a container, a cylindrical base having a top portion with an opening extending therethrough and a hollow cylindrical neck extending therefrom in axial alignment with said opening, an annular stop rib formed on the inner surface of said neck, a support bar extending across said opening, a closure pin extending from said support bar axially through said neck, a stopper member having a top portion and a hollow cylindrical body portion for reciprocable movement in said neck, an annular stop flange formed on the lower outer surface of said stopper body portion adapted to sealingly engage the inner surface of the neck and engage said stop rib in said neck, an annular sealing and guide flange formed on the outer surface of said stopper body portion and spaced from said stop flange adapted to sealingly engage the inner surface of the neck, an annular outer flange portion depending from said stopper top portion and spaced from said stopper body portion to form an annular channel surrounding a portion of said cylindrical body portion of said stopper, said top portion of said stopper having an outlet hole formed axially therethrough and adapted to receive said closure pin to close ofl said hole when said stopper is slidably moved inwardly on said neck with said neck within said annular channel.

4. In a two-piece closure and dispensing cap for the neck of a container, a cylindrical base having a top portion with an opening extending therethrough and a hollow,

cylindrical neck extending therefrom in axial alignment with said opening, stop means formed on the inner surface of said neck and spaced from the outer end of the neck, a support bar connected to said base and extending across said opening of said top portion thereof, a closure pin extending from said support bar axially through said neck, a stopper member having a top portion and a hollow cylindrical body portion of reciprocable movement in said neck, an annular stop flange formed on the lower outer surface of said stopper body portion adapted to sealingly engage the inner surface of the neck and engage said stop means in said neck, an annular sealing and guide flange formed on the outer surface of said stopper body portion and spaced from said stop flange adapted to sealingly engage the inner surface of the neck, an annular outer flange portion depending from said stopper top portion and spaced from said stopper body portion to form an annular channel surrounding a portion of said cylindrical body portion of said stopper, said top portion of said stopper having an outlet hole formed axially therethrough and adapted to receive said closure pin to close off said hole when said stopper is slidably moved inwardly on said neck with said neck within said annular channel.

5. In a two-piece closure and dispensing cap for the neck of a container, a cylindrical base having a top portion with an opening extending therethrough and a hollow cylindrical neck extending therefrom in axial alignment with said opening, stop means formed on the inner surface of said neck and spaced from the outer end of the neck, a closure pin connected to said base and extending axially through the neck, a stopper member having a top portion and a hollow cylindrical body portion for reciprocable movement in said neck, an annular stop flange formed on the lower outer surface of said stopper body portion adapted to sealingly engage the inner surface of the neck and engage said stop means in said neck, an annular sealing and guide flange formed on the outer surface of said stopper body portion and spaced from said stop flange adapted to sealingly engage the inner surface of the neck, an annular outer flange portion depending from said stopper top portion and spaced from said stopper body portion to form an annular channel surrounding a portion of said cylindrical body portion of said stopper, said top portion of said stopper having an outlet hole formed axially therethrough and adapted to receive said closure pin to close off said hole when said stopper is slidably moved inwardly on said neck with said neck within said annular channel.

6. In a two-piece closure and dispensing cap for the neck of a container, a cylindrical base having a top portion with an opening extending therethrough and a hollow cylindrical neck extending therefrom in axial alignment With said opening, stop means formed on the inner surface of said neck and spaced from the outer end of the neck, a closure pin connected to said base and extending axially through the neck, a stopper member having a top portion and a hollow cylindrical body portion for reciprocable movement in said neck, an annular stop flange formed on the lower outer surface of said stopper body portion adapted to sealingly engage the inner surface of the neck and engage said stop means in said neck, an annular outer flange portion depending from said stopper top portion and spaced from said stopper body portion to form an annular channel surrounding a portion of said cylindrical body portion of said stopper, said top portion of said stopper having an outlet hole formed axially therethrough and adapted to receive said closure pin to close off said hole when said stopper is slidably moved inwardly on said neck with said neck within said annular channel.

References Cited by the Examiner UNITED STATES PATENTS 2,8 34,520 5/58 Nyden 222-5 25 2,969,168 1/61 Newby 222525 3,118,578 1/ 64 Collins 222-548 FOREIGN PATENTS 783,441 4/35 France.

LOUIS J. DEMBO, Primary Examiner.

Claims (1)

  1. 6. IN A TWO-PIECE CLOSURE AND DISPENSING CAP FOR THE NECK OF A CONTAINER, A CYLINDRICAL BASE HAVING A TOP PORTION WITH AN OPENING EXTENDING THERETHROUGH AND A HOLLOW CYLINDRICAL NECK EXTENDING THEREFROM IN AXIAL ALIGNMENT WITH SAID OPENING, STOP MEANS FORMED ON THE INNER SURFACE OF SAID NECK AND SPACED FROM THE OUTER END OF THE NECK, A CLOSURE PIN CONNECTED TO SAID BASE AND EXTENDING AXIALLY THROUGH THE NECK, A STOPPER MEMBER HAVING A TOP PORTION AND A HOLLOW CYLINDRICAL BODY PORTION FOR RECIPROCABLE MOVEMENT IN SAID NECK, AN ANNULAR STOP FLANGE FORMED ON THE LOWER OUTER SURFACE OF SAID STOPPER BODY PORTION ADAPTED TO SEALINGLY ENGAGE THE INNER SURFACE OF THE NECK AND ENGAGE SAID STOP MEANS IN SAID NECK, AN ANNULAR OUTER FLANGE PORTION DEPENDING FROM SAID STOPPER TOP PORTION AND SPACED FROM SAID STOPPER BODY PORTION TO FORM AN ANNULAR CHANNEL SURROUNDING A PORTION OF SAID CYLINDRICAL BODY PORTION OF SAID STOPPER BODY TOP PORTION OF SAID STOPPER HAVING AN OUTLET HOLE FORMED AXIALLY THERETHROUGH AND ADAPED TO RECEIVE SAID CLOSURE PIN TO CLOSE OFF SAID HOLE WHEN SAID STOPPER IS SLIDABLY MOVED INWARDLY ON SAID NECK WITH SAID NECK WITHIN SAID ANNULAR CHANNEL.
US3201013A 1963-12-11 1963-12-11 Dispensing and closure cap for containers Expired - Lifetime US3201013A (en)

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US3201013A US3201013A (en) 1963-12-11 1963-12-11 Dispensing and closure cap for containers

Applications Claiming Priority (4)

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US3201013A US3201013A (en) 1963-12-11 1963-12-11 Dispensing and closure cap for containers
BE656856A BE656856A (en) 1963-12-11 1964-12-09
GB5042564A GB1049300A (en) 1963-12-11 1964-12-10 Two-piece closure and dispensing cap for containers
NL6414459A NL6414459A (en) 1963-12-11 1964-12-11

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US3201013A true US3201013A (en) 1965-08-17

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BE (1) BE656856A (en)
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NL (1) NL6414459A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276640A (en) * 1965-03-08 1966-10-04 Kessler Milton Closable pouring spout and an axially slidable cap moving a plug thereon for liquid containers
US3294294A (en) * 1964-12-08 1966-12-27 Colgate Palmolive Co Dispensing closure with slide
US3511420A (en) * 1967-06-29 1970-05-12 Milton Kessler Push-pull dispensing cap with double seal
US3578223A (en) * 1968-08-27 1971-05-11 Monsanto Co Container with closure
US4240566A (en) * 1979-09-17 1980-12-23 Whirlco, Inc. Captive mixing cap arrangement for multiple chamber container
US4298146A (en) * 1979-08-23 1981-11-03 Sunbeam Plastics Corporation One-piece dispensing closure
WO1992003372A1 (en) * 1990-08-20 1992-03-05 Perlmutter Thom M Dispensing closure for squeeze bottle
US5328063A (en) * 1993-06-10 1994-07-12 Creative Packaging Corp. Venting closure cap
US5440942A (en) * 1994-02-02 1995-08-15 Hubbard; Stephen H. Biological sample collecting and holding device
US5772076A (en) * 1996-07-26 1998-06-30 White Cap, Inc. Hot fill dispensing closure
US5988448A (en) * 1997-09-18 1999-11-23 Foth; Gary S. Vacuum release container cap
US7753234B1 (en) * 1999-01-26 2010-07-13 Product Architects, Inc. Fluid container closure mechanism with detachable valve assembly
WO2015159888A1 (en) * 2014-04-15 2015-10-22 ライオン株式会社 Push-pull cap
WO2016020372A1 (en) * 2014-08-07 2016-02-11 Obrist Closures Switzerland Gmbh Improvements in or relating to push-pull closures

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150124B (en) * 1983-11-22 1987-03-04 Coda Plastics Ltd Fluid dispensing closure
GB2162501B (en) * 1984-08-01 1987-09-03 Gene Stull Dispensing cap construction
GB9624636D0 (en) * 1996-11-27 1997-01-15 Lyons Kerrin M A container

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR783441A (en) * 1934-12-29 1935-07-12 Closure device for tubes tin, perfume bottles or other similar articles
US2834520A (en) * 1956-06-15 1958-05-13 Nyden Robert Spouts for containers
US2969168A (en) * 1958-04-21 1961-01-24 Us Cap & Closure Inc Dispensing closures
US3118578A (en) * 1961-04-26 1964-01-21 Pressure Dispensers Inc Positive action dispensing valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR783441A (en) * 1934-12-29 1935-07-12 Closure device for tubes tin, perfume bottles or other similar articles
US2834520A (en) * 1956-06-15 1958-05-13 Nyden Robert Spouts for containers
US2969168A (en) * 1958-04-21 1961-01-24 Us Cap & Closure Inc Dispensing closures
US3118578A (en) * 1961-04-26 1964-01-21 Pressure Dispensers Inc Positive action dispensing valve

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3294294A (en) * 1964-12-08 1966-12-27 Colgate Palmolive Co Dispensing closure with slide
US3276640A (en) * 1965-03-08 1966-10-04 Kessler Milton Closable pouring spout and an axially slidable cap moving a plug thereon for liquid containers
US3511420A (en) * 1967-06-29 1970-05-12 Milton Kessler Push-pull dispensing cap with double seal
US3578223A (en) * 1968-08-27 1971-05-11 Monsanto Co Container with closure
US4298146A (en) * 1979-08-23 1981-11-03 Sunbeam Plastics Corporation One-piece dispensing closure
US4240566A (en) * 1979-09-17 1980-12-23 Whirlco, Inc. Captive mixing cap arrangement for multiple chamber container
WO1992003372A1 (en) * 1990-08-20 1992-03-05 Perlmutter Thom M Dispensing closure for squeeze bottle
US5145094A (en) * 1990-08-20 1992-09-08 Edward M. Bennett Dispensing closure for squeeze bottle
US5328063A (en) * 1993-06-10 1994-07-12 Creative Packaging Corp. Venting closure cap
US5440942A (en) * 1994-02-02 1995-08-15 Hubbard; Stephen H. Biological sample collecting and holding device
US5772076A (en) * 1996-07-26 1998-06-30 White Cap, Inc. Hot fill dispensing closure
US5988448A (en) * 1997-09-18 1999-11-23 Foth; Gary S. Vacuum release container cap
US7753234B1 (en) * 1999-01-26 2010-07-13 Product Architects, Inc. Fluid container closure mechanism with detachable valve assembly
US20110062191A1 (en) * 1999-01-26 2011-03-17 Product Architects, Inc. Fluid container closure mechanism with detachable valve assembly
US8646663B2 (en) * 1999-01-26 2014-02-11 Robert A. Heiberger Fluid container closure mechanism with detachable valve assembly
WO2015159888A1 (en) * 2014-04-15 2015-10-22 ライオン株式会社 Push-pull cap
WO2016020372A1 (en) * 2014-08-07 2016-02-11 Obrist Closures Switzerland Gmbh Improvements in or relating to push-pull closures

Also Published As

Publication number Publication date Type
GB1049300A (en) 1966-11-23 application
BE656856A (en) 1965-06-09 grant
NL6414459A (en) 1965-06-14 application

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