WO2009154446A1 - Squeeze bottle comprisng a flexible inner container - Google Patents

Squeeze bottle comprisng a flexible inner container Download PDF

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Publication number
WO2009154446A1
WO2009154446A1 PCT/NL2009/050233 NL2009050233W WO2009154446A1 WO 2009154446 A1 WO2009154446 A1 WO 2009154446A1 NL 2009050233 W NL2009050233 W NL 2009050233W WO 2009154446 A1 WO2009154446 A1 WO 2009154446A1
Authority
WO
WIPO (PCT)
Prior art keywords
squeeze bottle
inner container
outer container
return valve
opening
Prior art date
Application number
PCT/NL2009/050233
Other languages
French (fr)
Inventor
Wilhelmus Johannes Joseph Maas
Petrus Lambertus Wilhelmus Hurkmans
Original Assignee
Dispensing Technologies B.V.
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 Dispensing Technologies B.V. filed Critical Dispensing Technologies B.V.
Publication of WO2009154446A1 publication Critical patent/WO2009154446A1/en

Links

Classifications

    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • 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
    • B05B11/048—Deformable containers producing the flow, e.g. squeeze bottles characterised by the container, e.g. this latter being surrounded by an enclosure, or the means for deforming it

Definitions

  • the invention relates to a squeeze bottle, comprising a resiliently deformable outer container with a dispensing opening and a flexible inner container connected to the outer container close to the dispensing opening, wherein the dispensing opening is provided with a valve comprising a first non-return valve, and wherein the outer container further has an aerating opening closable by a second non-return valve.
  • Such a squeeze bottle is known, for instance from WO 2006/107403.
  • the flexible inner container or bag is attached to a collar mounted in the dispensing opening of the outer container or bottle.
  • This collar which extends about halfway into the bottle, comprises the actual outflow opening which is closed by a so-called duckbill valve.
  • This valve allows the outflow of the content of the bag as long as the bottle is being squeezed, but snaps shut as soon as the pressure on the bottle decreases .
  • Formed in the bottom of the bottle is an aerating opening closed by a so-called umbrella valve which admits air when the bottle is released but retains the air in the bottle when the bottle is being squeezed.
  • the invention has for its object to improve a squeeze bottle of the above described type .
  • the invention provides for this purpose a squeeze bottle as described in claim 1.
  • Preferred embodiments of the squeeze bottle according to the invention form the subject-matter of the sub-claims.
  • Fig. 1 shows a perspective view of a squeeze bottle according to a first embodiment of the invention
  • Fig. 2 shows a section through the squeeze bottle along line II-II in fig. 1,
  • Fig. 3 shows a perspective view with exploded parts of the squeeze bottle of fig. 1,
  • Fig. 4 shows a section through the squeeze bottle along line IV-IV in fig. 3
  • Fig. 5 shows a section on enlarged scale through the dispensing opening and valve of the squeeze bottle
  • Fig. 6 shows a section through the upper part of the squeeze bottle during squeezing of the outer container
  • Fig. 7 shows a view corresponding to fig. 6 of the squeeze bottle during movement back to its normal shape
  • Fig. 8 shows a section through the lower part of the squeeze bottle during squeezing of the outer container
  • Fig. 9 shows a view corresponding to fig. 8 of the squeeze bottle during movement back to its normal shape
  • Fig. 10A-10D show sections through the squeeze bottle in full and gradually increasingly emptied state
  • Fig. 11 shows a section through the lower part of an alternative embodiment of the squeeze bottle, and Pig. 12 shows on enlarged scale a detail view according to arrow XII in fig. 11.
  • a squeeze bottle 1 (fig. 1) comprises a resiliently deformable outer container 2 which can be manufactured from a plastic such as PE or PP. On one side, referred to here as the top side, outer container 2 is provided with a dispensing opening 3. Squeeze bottle 1 further comprises a flexible inner container 4 (fig. 2) which can be manufactured from a suitable plastic foil . This inner container 4 is connected close to dispensing opening 3 to outer container 2 by means of a clamping edge 5 which is clamped round a neck 6 of outer container 2 bounding dispensing opening 3 (fig. 5) . Further arranged on neck 6 is a valve 7 in which an outflow channel 8 is formed. A first non-return valve 9 is arranged in this outflow channel 8. Outer container 2 further has an aerating opening 10, formed here in the bottom 11 of outer container 2, opposite dispensing opening 3. Aerating opening 10 is closed by a second non-return valve 12.
  • Inner container 4 which in its filled state lies against the inner side of outer container 2, is connected to outer container 2 at the position of aerating opening 10.
  • inner container 4 has a protruding part 13 which protrudes through aerating opening 10 and on which is arranged a fixing element 14 (fig. 8, 9) .
  • a sleeve 15, which is connected airtightly to outer container 2 is arranged around aerating opening 10.
  • Received in an opening 16 on the underside of this sleeve 15 is the second non-return valve 12, which can for instance be embodied as an inward directed butterfly valve.
  • Sleeve 15 is in turn mounted in a foot 17 which supports outer container 2.
  • the first non-return valve 9 is received in outflow channel 8 in valve 7.
  • this first non-return valve 9 comprises a stem 18 around which is arranged an apron 19.
  • This apron 19 faces away from inner container 4.
  • Stem 18 is slidable in two rings 20, 21 which function as guides and as stops.
  • the first ring 20 is here received in a bush 22 which is in turn clamped in outflow channel 8 in valve 7.
  • Bush 22 forms a valve seat 23 for non-return valve 9.
  • the second ring 21 is received directly in outflow channel 8.
  • Valve stem 18 further has a thickened portion 24 which bounds the outward movement of valve 9 when it comes into contact with ring 21, and the inward movement when it comes into contact with ring 20.
  • Apron 19 is attached to this thickened portion 24.
  • outflow channel 8 is provided on the outer side with screw thread 25 so that a cap 26 can be screwed thereon.
  • the second non-return valve 112 is integrated with inner container 104.
  • a sealing edge 127 is formed for this purpose around aerating opening 110, while inner container 104 is strengthened locally around its protruding part 113.
  • the strengthened part 128 of inner container 104 herein co-acts with sealing edge 127 in order to close aerating opening 110 when squeeze bottle 101 is being squeezed (fig. 12) .
  • outer container 102 is otherwise provided with a petal-shaped bottom 111 which defines a number of feet 117 integrated therewith.
  • squeeze bottle 1 The operation of squeeze bottle 1 is now as follows. Once inner container 4 and outer container 2 have been formed and mutually connected, inner container 4 is filled with a product for dispensing, after which valve 7 is mounted on dispensing opening 3.
  • outer container 2 When outer container 2 is released, it returns to its original position as a result of its resilient nature. An underpressure is created here, whereby the first non-return valve 9 is closed and product can therefore no longer flow out of inner container 4. Nor can outside air penetrate into inner container 4.
  • the second non-return valve 12 is simultaneously opened so that the space between inner container 4 and outer container 2 is filled with air from outside.
  • Inner container 4 can be emptied in steps by repeated squeezing of squeeze bottle 1 (fig. 10A-10D) .
  • the connection of inner container 4 to outer container 2 at the position of aerating opening 10 herein ensures that inner container 4 does not become crumpled, so that no product can be left therein.

Abstract

The invention relates to a squeeze bottle (1), which consists of a resiliently deformable outer container (2) with a dispensing opening (3) and a flexible inner container (4) connected to the outer container (2) close to the dispensing opening. The dispensing opening is provided with a valve (7) comprising a first non-return valve (9). The outer container (2) further has an aerating opening (10) closable by a second non-return valve (12). The inner container (4) is also connected to the outer container (2) at the position of the aerated opening (10). A sleeve (15) which the second non-return valve (12) is received can be arranged around the aerating opening (10). This sleeve (15) can be mounted in a foot (17) supporting the outer container (2). The second non-return valve (12) can be integrated with the inner container.

Description

SQUEEZE BOTTLE COMPRISING A FLEXIBLE INNER CONTAINER
The invention relates to a squeeze bottle, comprising a resiliently deformable outer container with a dispensing opening and a flexible inner container connected to the outer container close to the dispensing opening, wherein the dispensing opening is provided with a valve comprising a first non-return valve, and wherein the outer container further has an aerating opening closable by a second non-return valve.
Such a squeeze bottle is known, for instance from WO 2006/107403. In this known squeeze bottle, which is intended primarily for liquids such as soft drinks, but is also suitable for more viscous products such as pastes, the flexible inner container or bag is attached to a collar mounted in the dispensing opening of the outer container or bottle. This collar, which extends about halfway into the bottle, comprises the actual outflow opening which is closed by a so-called duckbill valve. This valve allows the outflow of the content of the bag as long as the bottle is being squeezed, but snaps shut as soon as the pressure on the bottle decreases . Formed in the bottom of the bottle is an aerating opening closed by a so-called umbrella valve which admits air when the bottle is released but retains the air in the bottle when the bottle is being squeezed.
The invention has for its object to improve a squeeze bottle of the above described type . The invention provides for this purpose a squeeze bottle as described in claim 1. Preferred embodiments of the squeeze bottle according to the invention form the subject-matter of the sub-claims.
Connecting the inner container to the outer container not only at the dispensing opening but also at another location prevents the inner container becoming crumpled during dispensing of product therefrom, whereby product could be left behind in folds of the inner container. Thus is ensured that the inner container can be completely emptied without use having to be made for this purpose of a collar to be incorporated in the outer container. An efficient construction is obtained by having the connection between inner container and outer container coincide with the aerating opening.
The invention will now be elucidated on the basis of two examples, wherein reference is made to the accompanying drawing in which corresponding components are designated with reference numerals increased by 100, and in which:
Fig. 1 shows a perspective view of a squeeze bottle according to a first embodiment of the invention,
Fig. 2 shows a section through the squeeze bottle along line II-II in fig. 1,
Fig. 3 shows a perspective view with exploded parts of the squeeze bottle of fig. 1,
Fig. 4 shows a section through the squeeze bottle along line IV-IV in fig. 3, Fig. 5 shows a section on enlarged scale through the dispensing opening and valve of the squeeze bottle,
Fig. 6 shows a section through the upper part of the squeeze bottle during squeezing of the outer container,
Fig. 7 shows a view corresponding to fig. 6 of the squeeze bottle during movement back to its normal shape,
Fig. 8 shows a section through the lower part of the squeeze bottle during squeezing of the outer container,
Fig. 9 shows a view corresponding to fig. 8 of the squeeze bottle during movement back to its normal shape, Fig. 10A-10D show sections through the squeeze bottle in full and gradually increasingly emptied state,
Fig. 11 shows a section through the lower part of an alternative embodiment of the squeeze bottle, and Pig. 12 shows on enlarged scale a detail view according to arrow XII in fig. 11.
A squeeze bottle 1 (fig. 1) comprises a resiliently deformable outer container 2 which can be manufactured from a plastic such as PE or PP. On one side, referred to here as the top side, outer container 2 is provided with a dispensing opening 3. Squeeze bottle 1 further comprises a flexible inner container 4 (fig. 2) which can be manufactured from a suitable plastic foil . This inner container 4 is connected close to dispensing opening 3 to outer container 2 by means of a clamping edge 5 which is clamped round a neck 6 of outer container 2 bounding dispensing opening 3 (fig. 5) . Further arranged on neck 6 is a valve 7 in which an outflow channel 8 is formed. A first non-return valve 9 is arranged in this outflow channel 8. Outer container 2 further has an aerating opening 10, formed here in the bottom 11 of outer container 2, opposite dispensing opening 3. Aerating opening 10 is closed by a second non-return valve 12.
Inner container 4, which in its filled state lies against the inner side of outer container 2, is connected to outer container 2 at the position of aerating opening 10. For this purpose inner container 4 has a protruding part 13 which protrudes through aerating opening 10 and on which is arranged a fixing element 14 (fig. 8, 9) . In the shown example a sleeve 15, which is connected airtightly to outer container 2, is arranged around aerating opening 10. Received in an opening 16 on the underside of this sleeve 15 is the second non-return valve 12, which can for instance be embodied as an inward directed butterfly valve. Sleeve 15 is in turn mounted in a foot 17 which supports outer container 2. As stated, the first non-return valve 9 is received in outflow channel 8 in valve 7. In the shown embodiment this first non-return valve 9 comprises a stem 18 around which is arranged an apron 19. This apron 19 faces away from inner container 4. Stem 18 is slidable in two rings 20, 21 which function as guides and as stops. The first ring 20 is here received in a bush 22 which is in turn clamped in outflow channel 8 in valve 7. Bush 22 forms a valve seat 23 for non-return valve 9. The second ring 21 is received directly in outflow channel 8. Valve stem 18 further has a thickened portion 24 which bounds the outward movement of valve 9 when it comes into contact with ring 21, and the inward movement when it comes into contact with ring 20. Apron 19 is attached to this thickened portion 24. Finally, outflow channel 8 is provided on the outer side with screw thread 25 so that a cap 26 can be screwed thereon. In an alternative embodiment of squeeze bottle 101 (fig. 11) the second non-return valve 112 is integrated with inner container 104. A sealing edge 127 is formed for this purpose around aerating opening 110, while inner container 104 is strengthened locally around its protruding part 113. The strengthened part 128 of inner container 104 herein co-acts with sealing edge 127 in order to close aerating opening 110 when squeeze bottle 101 is being squeezed (fig. 12) . In this embodiment outer container 102 is otherwise provided with a petal-shaped bottom 111 which defines a number of feet 117 integrated therewith.
The operation of squeeze bottle 1 is now as follows. Once inner container 4 and outer container 2 have been formed and mutually connected, inner container 4 is filled with a product for dispensing, after which valve 7 is mounted on dispensing opening 3.
When outer container 2 is then squeezed, the pressure in outer container 2 and in inner container 4 is increased. This has the result that the first non-return valve 9 is opened (fig. 6) and the product can flow out of inner container 4. The second non-return valve 12 is simultaneously closed (fig. 8) so that no air can escape from outer container 2 and the squeezing force on outer container 2 is thus converted by the enclosed air into a pressure force from all sides on inner container 4.
When outer container 2 is released, it returns to its original position as a result of its resilient nature. An underpressure is created here, whereby the first non-return valve 9 is closed and product can therefore no longer flow out of inner container 4. Nor can outside air penetrate into inner container 4. The second non-return valve 12 is simultaneously opened so that the space between inner container 4 and outer container 2 is filled with air from outside.
Inner container 4 can be emptied in steps by repeated squeezing of squeeze bottle 1 (fig. 10A-10D) . The connection of inner container 4 to outer container 2 at the position of aerating opening 10 herein ensures that inner container 4 does not become crumpled, so that no product can be left therein.
Although the invention has been elucidated above on the basis of a number of examples, it will be apparent that it can be varied in many ways within the scope of the following claims.

Claims

Claims
1. Squeeze bottle, comprising a resiliently deformable outer container with a dispensing opening and a flexible inner container connected to the outer container close to the dispensing opening, wherein the dispensing opening is provided with a valve comprising a first non-return valve, and wherein the outer container further has an aerating opening closable by a second non-return valve, characterized in that the inner container is also connected to the outer container at the position of the aerating opening.
2. Squeeze bottle as claimed in claim 1, characterized in that the inner container has a part which protrudes through the aerating opening and on which a fixing element is arranged.
3. Squeeze bottle as claimed in claim 1 or 2, characterized in that a sleeve in which the second non-return valve is received is arranged around the aerating opening.
4. Squeeze bottle as claimed in claim 3, characterized in that the sleeve is mounted in a foot supporting the outer container.
5. Squeeze bottle as claimed in claim 1 or 2, characterized in that the second non-return valve is integrated with the inner container.
6. Squeeze bottle as claimed in claim 5, characterized in that a sealing edge with which a strengthened part of the inner container co-acts is formed around the aerating opening.
7. Squeeze bottle as claimed in any of the foregoing claims, characterized in that the first non-return valve is received slidably in an outflow channel in the valve.
8. Squeeze bottle as claimed in claim 7, characterized in that the first non-return valve comprises a stem with an apron arranged therearound and directed away from the inner container.
9. Squeeze bottle as claimed in any of the foregoing claims, characterized in that in its filled state the inner container lies substantially over its whole surface against the outer container.
PCT/NL2009/050233 2008-06-18 2009-04-28 Squeeze bottle comprisng a flexible inner container WO2009154446A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1035601A NL1035601C2 (en) 2008-06-18 2008-06-18 Squeeze bottle with inner holder.
NL1035601 2008-06-18

Publications (1)

Publication Number Publication Date
WO2009154446A1 true WO2009154446A1 (en) 2009-12-23

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WO (1) WO2009154446A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015127235A (en) * 2013-11-27 2015-07-09 キョーラク株式会社 Delamination container
US9211993B2 (en) 2011-03-01 2015-12-15 Advanced Technology Materials, Inc. Nested blow molded liner and overpack and methods of making same
US9522773B2 (en) 2009-07-09 2016-12-20 Entegris, Inc. Substantially rigid collapsible liner and flexible gusseted or non-gusseted liners and methods of manufacturing the same and methods for limiting choke-off in liners
EP3075672A4 (en) * 2013-11-27 2016-12-21 Kyoraku Co Ltd Delamination container, pinhole checking method therefor, and processing method therefor
US9637300B2 (en) 2010-11-23 2017-05-02 Entegris, Inc. Liner-based dispenser
JP2019209973A (en) * 2018-05-31 2019-12-12 株式会社吉野工業所 Application container
US11752683B2 (en) 2007-04-19 2023-09-12 Anheuser-Busch Inbev S.A. Integrally blow-moulded bag-in-container comprising an inner layer and an outer layer comprising energy absorbing additives, preform for making it and process for producing it
US11834226B2 (en) 2007-04-19 2023-12-05 Anheuser-Busch Inbev S.A. Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth; preform for making it; and processes for producing the preform and bag-in-container
US11890784B2 (en) 2007-04-19 2024-02-06 Anheus Er-Busch Inbev S.A. Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743038A (en) * 1952-12-04 1956-04-24 Jack R Ferries Paste dispenser
US3223289A (en) * 1961-11-24 1965-12-14 Bouet Bernard Dispensing devices
US4458830A (en) * 1981-05-18 1984-07-10 Werding Winfried J Appliance for discharging a non-compressible liquid, creamy or pasty product under pressure
WO2006107403A2 (en) * 2005-04-06 2006-10-12 Fun-Damental Too, Ltd Bag type squeeze bottle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743038A (en) * 1952-12-04 1956-04-24 Jack R Ferries Paste dispenser
US3223289A (en) * 1961-11-24 1965-12-14 Bouet Bernard Dispensing devices
US4458830A (en) * 1981-05-18 1984-07-10 Werding Winfried J Appliance for discharging a non-compressible liquid, creamy or pasty product under pressure
WO2006107403A2 (en) * 2005-04-06 2006-10-12 Fun-Damental Too, Ltd Bag type squeeze bottle

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11752683B2 (en) 2007-04-19 2023-09-12 Anheuser-Busch Inbev S.A. Integrally blow-moulded bag-in-container comprising an inner layer and an outer layer comprising energy absorbing additives, preform for making it and process for producing it
US11834226B2 (en) 2007-04-19 2023-12-05 Anheuser-Busch Inbev S.A. Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth; preform for making it; and processes for producing the preform and bag-in-container
US11890784B2 (en) 2007-04-19 2024-02-06 Anheus Er-Busch Inbev S.A. Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it
US9522773B2 (en) 2009-07-09 2016-12-20 Entegris, Inc. Substantially rigid collapsible liner and flexible gusseted or non-gusseted liners and methods of manufacturing the same and methods for limiting choke-off in liners
US9637300B2 (en) 2010-11-23 2017-05-02 Entegris, Inc. Liner-based dispenser
US9211993B2 (en) 2011-03-01 2015-12-15 Advanced Technology Materials, Inc. Nested blow molded liner and overpack and methods of making same
US9650169B2 (en) 2011-03-01 2017-05-16 Entegris, Inc. Nested blow molded liner and overpack and methods of making same
JP2015127235A (en) * 2013-11-27 2015-07-09 キョーラク株式会社 Delamination container
EP3075672A4 (en) * 2013-11-27 2016-12-21 Kyoraku Co Ltd Delamination container, pinhole checking method therefor, and processing method therefor
US10377521B2 (en) 2013-11-27 2019-08-13 Kyoraku Co., Ltd. Delaminatable container, method of checking the same for a pinhole, and method of processing the same
JP2019209973A (en) * 2018-05-31 2019-12-12 株式会社吉野工業所 Application container
JP7055065B2 (en) 2018-05-31 2022-04-15 株式会社吉野工業所 Coating container

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