WO2001028881A1 - Bi-stable stopper for container - Google Patents
Bi-stable stopper for container Download PDFInfo
- Publication number
- WO2001028881A1 WO2001028881A1 PCT/NL2000/000751 NL0000751W WO0128881A1 WO 2001028881 A1 WO2001028881 A1 WO 2001028881A1 NL 0000751 W NL0000751 W NL 0000751W WO 0128881 A1 WO0128881 A1 WO 0128881A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- closing element
- neck
- flexible closing
- glass container
- clamping means
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims abstract description 22
- 235000014171 carbonated beverage Nutrition 0.000 claims abstract description 7
- 239000013013 elastic material Substances 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 235000013405 beer Nutrition 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000007799 cork Substances 0.000 description 3
- 238000009928 pasteurization Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
- B65D39/12—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers expansible, e.g. inflatable
Definitions
- the present invention relates to a glass container comprising a neck, an opening in the neck and a cover member closing off the opening, which cover member comprises an inward side and an outward side.
- Closing means for bottles are known in the prior art. Glass bottles are generally sealed with a cork, plastic cap or a screw cap. Glass bottles containing beer or other carbonated beverages are generally sealed with a metal closure that is crimped around a groove that is a feature of the outer neck of the bottle.
- the commonplace form of this closure device is the crown cork, which is a pressed steel disk formed with a skirt of 21 tines.
- Carbonated beverages may also be contained in plastic bottles, generally made from polypropylene (PP), polyethylene terapthalate (PET) or polyethylene naphtalate (PEN).
- PP polypropylene
- PET polyethylene terapthalate
- PEN polyethylene naphtalate
- the closure devices of these plastic bottles are usually screw caps, which are screwed on a threaded neck of the bottle.
- the glass container according to the present invention is characterised in that the cover member comprises on its inward side a flexible closing element that is expandable in the neck connected with an operating means on the outward side of the cover member, the flexible closing element being operable by the operating means between a first position in which the flexible closing element is radially expanded towards the neck, and a second position in which the flexible closing element is spaced away from the neck.
- the flexible closing element may be of generally conical shape and in its first position sealingly engages the wall of the bottle neck and may be placed in a second position where the sealing element is spaced away from the wall of the neck.
- the glass container according to claim 1 comprises a resilient clamping means, the flexible closing element being compressible by the resilient clamping means. By compression of the flexible element, this element expands in the neck of the bottle and seals off the opening.
- the advantage of this embodiment of the closure device is that high pressures in glass bottles, such as beer bottles, can be withstood, without loss of carbon dioxide from within the bottle.
- the resilient clamping means and/or the flexible sealing element is a bi-stable element.
- a bi-stable element as resilient clamping means produces a rapid and distinct opening event, after an inversion point in passing from the expanded to the contracted state has been passed.
- the cover member comprises of a central axis, a stopper member engaging a rim of the neck the flexible closing element and the resilient clamping means being placed on the axis, the clamping means in its first position compressing the flexible closing element against the stopper member, and being displaceable away from the stopper member by pressing down on the central axis.
- the stopper member that engages the rim of the neck seals the top of the glass bottle, so that no dirt is able to pass the closure mechanism that is placed under the stopper member inside the neck of the closed bottle.
- the central shaft comprises a central stem having on the outward side of the stopper member a wide top end and on the inward side a broadened end part, the stopper member, the flexible closing element and the resilient clamping means being with a central opening placed around the stem between the top end and the broadened end part.
- a construction provides a relatively simple and integrated closure device, which can be handled without separate parts that have to be disassembled to open the closure. The user can open the closure by pressing down on the top end. The pressure that is applied on the top end moves the axis into the glass container so that space is created for the resilient clamping means to snap into an expanded position in which the flexible element can expand along the axis resulting in a reduced diameter thereof. A clearance will thus appear between the flexible element and the neck of the bottle.
- the resilient clamping means comprises a conical form with a substantially circular centre part, where a number of resilient fingers are attached, which provides an efficient bi-stable structure that can be placed in a first closed position and in a second opened position.
- the flexible closing element comprises a cylindrical part and a conical end, which conical end lies against an internal surface of the resilient clamping means. The transfer of the pressure is very advantageous over the conical surface, because horizontal as well as vertical forces are transferred.
- the flexible closing element comprises an elastic material. Once the material has been deformed, it will tend to revert to its original shape, so that no plastic deformation of the elastic material will occur. Being able to withstand pressures to a maximum of 6 - 7 atmospheres, the bottle is preferably to be used for carbonated beverages, especially beer. Pressures that high occur while the beer is being pasteurised. During normal serving temperature the pressure will be around 1 - 1.5 atmospheres.
- FIG. 1 shows an exploded view of the closure device according to the present invention
- Fig. 2 shows a sideview of the closure device and the glass bottle according to the present invention
- Figure 1 shows an exploded view of the closure device 1 according to the present invention.
- the closure device 1 comprises a stopper disk 3, a flexible closing element 2 and a conical bi-stable element 8.
- the first side of the closure device 1 comprises a broadened top end, forming a push button 6 for applying a pressure on the axis 5.
- the substantially flat stopper member 3 On the first side of the axis 5 the substantially flat stopper member 3 has been placed against the push button 6, in order to seal and cover the opening 7 of the neck of the bottle 4 and to prevent the closure device 1 from entering into the bottle 4.
- a flexible closing element in form of a piece of elastic material 8, has been placed against the stopper member 3.
- the second side of the axis 5 shows a bi-stable element 2 in form of an umbrella- shaped metal plate or plastic plate. This plate has a central part 12, which central part comprises a hole, through which hole the axis 5 runs.
- the clamping means 2 By applying a pressure F on the push button 6 in a longitudinal direction of the axis 5, the clamping means 2 is moved from its first bi-stable state to its second bi-stable state in which the pressure clamping means 2 exerts on the flexible closing element 8 decreases, so that the flexible element 8 expands in the longitudinal direction of the axis 5 and contracts in the radial direction, so that a clearance (not shown) will appear between the flexible element 8 and the neck of the bottle.
- a clearance (not shown) will appear between the flexible element 8 and the neck of the bottle.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The present invention relates to a glass container (4) comprising a neck (10), an opening (7) in the neck (10) and a cover member (1) closing off the opening (7), which cover member (1) comprises an inward side and an outward side, characterised in that, the cover member (1) comprises on its inward side a flexible closing element (8) that is expandable in the neck connected with an operating means (6) on the exterior or outward side of the cover member, the flexible closing element being operable by the operating means (6) between a first position in which the flexible closing element (8) is radially expanded towards the neck (10), and a second position in which the flexible closing element (8) is contracted inwards and away from the neck. By using the closure device according to the present invention, no special tools are needed to open the glass container. The closure device is preferably used in combination with carbonated beverages.
Description
BI-STAB E STOPPER FOR CONTAINER
The present invention relates to a glass container comprising a neck, an opening in the neck and a cover member closing off the opening, which cover member comprises an inward side and an outward side.
Closing means for bottles are known in the prior art. Glass bottles are generally sealed with a cork, plastic cap or a screw cap. Glass bottles containing beer or other carbonated beverages are generally sealed with a metal closure that is crimped around a groove that is a feature of the outer neck of the bottle. The commonplace form of this closure device is the crown cork, which is a pressed steel disk formed with a skirt of 21 tines.
Carbonated beverages may also be contained in plastic bottles, generally made from polypropylene (PP), polyethylene terapthalate (PET) or polyethylene naphtalate (PEN). The closure devices of these plastic bottles are usually screw caps, which are screwed on a threaded neck of the bottle.
It is a disadvantage of the closure devices of the prior art that specialised tools, such as bottle openers, are required to open a bottle that has been closed by a crown cork. There are some varieties of crown corks which are crimped on a threaded bottle, and may removed like a screw cap, but these crown corks are mainly limited to the French and North American markets. A further disadvantage of the closing devices of the prior art is that they must be tightly applied to prevent a loss of carbon dioxide upon prolonged storage at ambient temperature and also during pasteurisation. During pasteurisation the temperature of the bottle including the beverage will rise, so that a pressure build-up will take place within the bottle, which must be taken up by the closure. A requirement of the known closing devices is that they should be impervious to oxygen diffusing into the beverage, resulting in a degradation of the flavour of the beverage during prolonged storage of the bottle.
It is an object of the present invention to provide a simple closure device that inhibits diffusion of oxygen into the beverage, avoids loss of carbon dioxide upon prolonged storage and pasteurisation, and can easily be opened without the use of a special tool.
To this end, the glass container according to the present invention is characterised in that the cover member comprises on its inward side a flexible closing element that is
expandable in the neck connected with an operating means on the outward side of the cover member, the flexible closing element being operable by the operating means between a first position in which the flexible closing element is radially expanded towards the neck, and a second position in which the flexible closing element is spaced away from the neck. The flexible closing element may be of generally conical shape and in its first position sealingly engages the wall of the bottle neck and may be placed in a second position where the sealing element is spaced away from the wall of the neck.
Whenever the flexible closing element is contracted radially inwards, and away from the neck, a small clearance is created, causing release of the pressure that is normally present in the glass container whenever the contents of the container is a carbonated beverage. The closing element may then be easily removed from the neck.
Preferably the glass container according to claim 1 comprises a resilient clamping means, the flexible closing element being compressible by the resilient clamping means. By compression of the flexible element, this element expands in the neck of the bottle and seals off the opening. The advantage of this embodiment of the closure device is that high pressures in glass bottles, such as beer bottles, can be withstood, without loss of carbon dioxide from within the bottle.
Preferably the resilient clamping means and/or the flexible sealing element is a bi-stable element. Using a bi-stable element as resilient clamping means produces a rapid and distinct opening event, after an inversion point in passing from the expanded to the contracted state has been passed.
Preferably the cover member comprises of a central axis, a stopper member engaging a rim of the neck the flexible closing element and the resilient clamping means being placed on the axis, the clamping means in its first position compressing the flexible closing element against the stopper member, and being displaceable away from the stopper member by pressing down on the central axis. The stopper member that engages the rim of the neck seals the top of the glass bottle, so that no dirt is able to pass the closure mechanism that is placed under the stopper member inside the neck of the closed bottle.
Preferably the central shaft comprises a central stem having on the outward side of the stopper member a wide top end and on the inward side a broadened end part, the stopper member, the flexible closing element and the resilient clamping means being
with a central opening placed around the stem between the top end and the broadened end part. Such a construction provides a relatively simple and integrated closure device, which can be handled without separate parts that have to be disassembled to open the closure. The user can open the closure by pressing down on the top end. The pressure that is applied on the top end moves the axis into the glass container so that space is created for the resilient clamping means to snap into an expanded position in which the flexible element can expand along the axis resulting in a reduced diameter thereof. A clearance will thus appear between the flexible element and the neck of the bottle.
Preferably the resilient clamping means comprises a conical form with a substantially circular centre part, where a number of resilient fingers are attached, which provides an efficient bi-stable structure that can be placed in a first closed position and in a second opened position. It is further preferable that the flexible closing element comprises a cylindrical part and a conical end, which conical end lies against an internal surface of the resilient clamping means. The transfer of the pressure is very advantageous over the conical surface, because horizontal as well as vertical forces are transferred.
Preferably the flexible closing element comprises an elastic material. Once the material has been deformed, it will tend to revert to its original shape, so that no plastic deformation of the elastic material will occur. Being able to withstand pressures to a maximum of 6 - 7 atmospheres, the bottle is preferably to be used for carbonated beverages, especially beer. Pressures that high occur while the beer is being pasteurised. During normal serving temperature the pressure will be around 1 - 1.5 atmospheres.
An embodiment of the device according to the present invention will be explained in more detail with reference to the appended drawing, in which:
Fig. 1 shows an exploded view of the closure device according to the present invention; and Fig. 2 shows a sideview of the closure device and the glass bottle according to the present invention.
Figure 1 shows an exploded view of the closure device 1 according to the present invention. The closure device 1 comprises a stopper disk 3, a flexible closing element 2 and a conical bi-stable element 8. The first side of the closure device 1 comprises a broadened top end, forming a push button 6 for applying a pressure on the axis 5. On the first side of the axis 5 the substantially flat stopper member 3 has been placed against the push button 6, in order to seal and cover the opening 7 of the neck of the bottle 4 and to prevent the closure device 1 from entering into the bottle 4. A flexible closing element in form of a piece of elastic material 8, has been placed against the stopper member 3. One side of the flexible closing element 8, the contact area to the stopper member 3, is flat. The other side of the flexible closing element 8, which is aligned along the axis 5, and which when in use as part of a closure will face towards the contents of the bottle, is of conical form. On the perimeter of the flexible closing element 8; several ribs 9 are formed to ensure and facilitate a gas-tight and liquid-tight contact with the neck 10 of the bottle 4. The second side of the axis 5 shows a bi-stable element 2 in form of an umbrella- shaped metal plate or plastic plate. This plate has a central part 12, which central part comprises a hole, through which hole the axis 5 runs. Several fingers 11 protrude from the central part 12 of the resilient clamping means 2, and abut against the conical side of the flexible closing element 8. On the second side of the axis 5, a broadened end part Y has been placed, to maintain the alignment of the stopper member 3, the resilient clamping means 2 and the flexible closing element 8.
By applying a pressure F on the push button 6 in a longitudinal direction of the axis 5, the clamping means 2 is moved from its first bi-stable state to its second bi-stable state in which the pressure clamping means 2 exerts on the flexible closing element 8 decreases, so that the flexible element 8 expands in the longitudinal direction of the axis 5 and contracts in the radial direction, so that a clearance (not shown) will appear between the flexible element 8 and the neck of the bottle. By creating such a clearance, the pressure in de bottle 4, caused by the carbon dioxide of the carbonated drinks in the bottle, is released, allowing the closure device to be easily removed.
Claims
1. Glass container (4) comprising a neck (10), an opening in the neck and a cover member (1) closing off the opening (7), which cover member (1) comprises an inward side and an outward side, characterised in that, the cover member comprises on its inward side a flexible closing element (8) that is expandable in the neck connected with an operating means (6) on the outward side of the cover member, the flexible closing element (8) being operable by the operating means between a first position in which the flexible closing element (8) is radially expanded towards the neck, and a second position in which the flexible closing element (8) is spaced away from the neck.
2. Glass container (4) according to claim 1 comprising a resilient clamping means (2), the flexible closing element (8) being compressible by the resilient clamping means (2).
3. Glass container (4) according to claim 2, wherein the flexible closing means (8) and/or the resilient clamping means (2) is a bi-stable element.
4. Glass container (4) according to claim 1, 2 or 3, wherein the cover member comprises a central axis (5), a stopper member (3) engaging a rim of the neck, the flexible closing element (8) and the resilient clamping means (2) being placed on the axis, the clamping means (2) in its first position compressing the flexible closing element (8) against the stopper member (3), and being displaceable away from the stopper member (3) by pressing down on the central axis (5).
5. Glass container (4) according to claim 4, wherein the central axis (5) comprises a central stem (5) having on the outward side of the stopper member (3) a wide top end (X) and on the inward side a broadened end part (Y), the stopper member (3), the flexible closing element (8) and the resilient clamping means (2) being with a central opening placed around the stem (5) between the top end (X) and the broadened end part (Y).
6. Glass container (4) according to any of the preceding claims, the resilient clamping means (2) comprising a conical form with a substantially circular centre part (12).
7. Glass container (4) according to claim 6, wherein the conical surface of the clamping means (2) comprises a number of resilient fingers (11), ending at or near the circular centre part (12).
8. Glass container (4) according to claim 6 or 7, wherein the flexible closing element (8) comprises a cylindrical part (P) and a conical end (Q), which conical end lies against an internal surface (R) of the resilient clamping means (8).
9. Glass container (4) according to any of the preceding claims, wherein the flexible closing element (8) comprises an elastic material.
10. Glass container (4) according to any of the preceding claims, comprising a carbonated beverage.
1 1. Cover member (1) for use in a container (4) according to any of the preceding claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU13112/01A AU1311201A (en) | 1999-10-18 | 2000-10-18 | Bi-stable stopper for container |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9924619.1A GB9924619D0 (en) | 1999-10-18 | 1999-10-18 | Novel closure device for bottles |
| GB9924619.1 | 1999-10-18 | ||
| GB0010569A GB0010569D0 (en) | 2000-05-02 | 2000-05-02 | Novel closure device for bottles |
| GB0010569.2 | 2000-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001028881A1 true WO2001028881A1 (en) | 2001-04-26 |
Family
ID=26244200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NL2000/000751 WO2001028881A1 (en) | 1999-10-18 | 2000-10-18 | Bi-stable stopper for container |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU1311201A (en) |
| WO (1) | WO2001028881A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140311484A1 (en) * | 2011-11-01 | 2014-10-23 | Euro-Celtique S.A. | Dispenser cap arrangement |
| GB2537036A (en) * | 2015-02-25 | 2016-10-05 | Cellpath Ltd | Sealable closure and closed container |
| US20190021527A1 (en) * | 2017-07-24 | 2019-01-24 | Riprup Company S.A. | Smart Carafe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2021259A (en) * | 1934-04-11 | 1935-11-19 | Champion Foundry & Machine Co | Bottle closure |
| US2760667A (en) * | 1954-07-21 | 1956-08-28 | Moeller Mfg Co Inc | Adjustable pre-set plug |
| FR2043878A5 (en) * | 1969-05-02 | 1971-02-19 | Eder Georg | |
| FR2572719A1 (en) * | 1984-11-02 | 1986-05-09 | Roddier Roger | Resealing stopper, particularly for gassy beverages |
-
2000
- 2000-10-18 AU AU13112/01A patent/AU1311201A/en not_active Abandoned
- 2000-10-18 WO PCT/NL2000/000751 patent/WO2001028881A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2021259A (en) * | 1934-04-11 | 1935-11-19 | Champion Foundry & Machine Co | Bottle closure |
| US2760667A (en) * | 1954-07-21 | 1956-08-28 | Moeller Mfg Co Inc | Adjustable pre-set plug |
| FR2043878A5 (en) * | 1969-05-02 | 1971-02-19 | Eder Georg | |
| FR2572719A1 (en) * | 1984-11-02 | 1986-05-09 | Roddier Roger | Resealing stopper, particularly for gassy beverages |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140311484A1 (en) * | 2011-11-01 | 2014-10-23 | Euro-Celtique S.A. | Dispenser cap arrangement |
| US9764102B2 (en) * | 2011-11-01 | 2017-09-19 | Euro-Celtique S.A. | Dispenser cap arrangement |
| US10688258B2 (en) | 2011-11-01 | 2020-06-23 | Euro-Celtique S.A. | Dispenser cap arrangement |
| GB2537036A (en) * | 2015-02-25 | 2016-10-05 | Cellpath Ltd | Sealable closure and closed container |
| GB2537036B (en) * | 2015-02-25 | 2021-03-10 | Cellpath Ltd | Sealable closure and closed container |
| US20190021527A1 (en) * | 2017-07-24 | 2019-01-24 | Riprup Company S.A. | Smart Carafe |
| EP3434153A1 (en) * | 2017-07-24 | 2019-01-30 | Riprup Company S.A. | Smart carafe |
| US10743688B2 (en) | 2017-07-24 | 2020-08-18 | Riprup Company S.A. | Smart carafe |
| US10973347B2 (en) * | 2017-07-24 | 2021-04-13 | Riprup Company S.A. | Smart carafe having light emitting closure |
| EP3434153B1 (en) * | 2017-07-24 | 2021-10-27 | Riprup Company S.A. | Smart carafe |
Also Published As
| Publication number | Publication date |
|---|---|
| AU1311201A (en) | 2001-04-30 |
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