EP1659067A1 - Collapsible container for liquids, particularly for carbonated beverages - Google Patents
Collapsible container for liquids, particularly for carbonated beverages Download PDFInfo
- Publication number
- EP1659067A1 EP1659067A1 EP04425869A EP04425869A EP1659067A1 EP 1659067 A1 EP1659067 A1 EP 1659067A1 EP 04425869 A EP04425869 A EP 04425869A EP 04425869 A EP04425869 A EP 04425869A EP 1659067 A1 EP1659067 A1 EP 1659067A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- accordion
- type structure
- longitudinal reinforcing
- reinforcing member
- 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.)
- Withdrawn
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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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
- B65D1/0292—Foldable bottles
-
- 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
- B65D2501/00—Containers having bodies formed in one piece
- B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
- B65D2501/0018—Ribs
- B65D2501/0045—Solid ribs
Definitions
- the present invention relates to a collapsible container for liquids, in particular for carbonated beverages.
- a first type of such containers proposed by the prior art provides for a bottle made of plastic material having substantially elastic properties equipped with a side wall comprising a plurality of accordion-type bends on at least one portion of their height formed of tapered and contrary surfaces having the same width. Due to the elastic properties of the bottle material and, above all, due to the symmetrical shape of each bend, this bottle has only a stable balance position coinciding with its completely extended position, this not making it particularly suitable for a frequent use, such as, for example, in case of drinkable liquids.
- WO-A-0044630 discloses a bottle having means for blocking the bending recovery of the accordion-type structure, comprising bends having an upper surface and a lower surface whose width is lower than the adjacent upper surface and having a curved shape with convexity directed towards the adjacent upper surface against which it collapses.
- Object of the present invention is thereby providing a collapsible container for liquids, particularly for carbonated beverages, having an accordion-type structure equipped with at least one longitudinal reinforcing member adapted to increase the torsion and flexure stiffness of the container itself.
- an object of the present invention is providing a collapsible container for liquids equipped with a second, internal accordion-type structure adapted to prevent the liquid from entering the first, external accordion-type structure.
- the present invention will be described below as applied to a bottle having a circular section, preferably made of plastic material or anyway a suitably resilient material, but it cannot obviously be excluded that the inventive container can have any other sectional shape.
- a container 1 according to the present invention shaped as a bottle; such container 1 comprises a side wall 2 of which at least a part is equipped with a first accordion-type structure 3 of a known type, a lower portion 5 and an upper portion 7 equipped with a neck at the end of which it is possible to apply a plug 11.
- the first accordion-type structure 2 is composed of a plurality of first bends 31 bent as a bellows, each one of which is composed of a first upper surface 311 and a first lower surface 313 indifferently having the same width or with the first lower surface 313 having a width that is less than the first upper surface 311.
- both the first upper surface 311 and the first lower surface 313 could have, in their section, a linear or arc-shaped arrangement, as disclosed in the previously-mentioned document WO-A-0044630.
- the container 1 is equipped inside with a second accordion-type structure 4 composed of a plurality of second bends 41 bent as a bellows, each one of which is composed of a second upper surface 411 and a second lower surface 413 having preferably the same width.
- the second upper surface 411 and/or the second lower surface 413 could have in their sections a linear or arc-shaped arrangement.
- Such second bends 41 are arranged next to the first bends 31 in such a way that, when the container 1 collapses, each second upper surface 411 collapses on a related adjacent second lower surface 413, in this way the second collapsed bends 41 being projecting towards the container 1 interior, and the first collapsed bends 31 being projecting towards the container 1 exterior.
- angle ⁇ shown in the Figures between the second upper surface 411 and the second lower surface 413, not collapsed is preferably slightly less than 180° in order not to occupy an excessive volume inside the container 1 when it is not collapsed, though allowing the second bends 41 to be bent inwards when collapsing.
- the container 1 according to the present invention is equipped with at least one longitudinal reinforcing member.
- such longitudinal reinforcing member is preferably at least one rib 13 that longitudinally runs along at least one portion of the container 1, preferably along at least the whole height of the accordion-type structure 3. It is clear that, in order to increase the container 1 efficiency, this latter one can be equipped with a plurality of ribs 13; their number must however be such as not to prevent the correct operation of the accordion-type structure 3.
- the ribs 13 due to costs and mass economy reasons, are of the same material composing side wall 2, accordion-type structure 3, lower portion 5, upper portion 7 and neck 9; it is however obvious that such ribs 13 can also be made, depending on specific needs, of a different material.
- FIG. 5 it is possible to note a sectional view of a preferred embodiment of a bend 31 of the container 1 according to the present invention: in such embodiment, in fact, it is possible to note that the rib 13 longitudinally runs both on the upper surface 311 and on the lower surface 312; moreover, in such embodiment, the rib 13 is external to the bend 31. Still more, in order to allow a correct collapsing of the accordion-type structure 3, it is possible to provide that, next to the bending points of the bend 31, the rib 13 is equipped with suitable weakening points 131 that, when the container 1 collapses, can also possibly break.
- the rib 13 is inside the bend 31; also in this case, as previously described, it is possible to provide that, next to the bending points of the bend 31, the rib 13 is equipped with suitable weakening points 131.
- the longitudinal reinforcing members are realised onto the container 1, by moulding or extrusion, before manufacturing the accordion-type structure 3, and in particular the bends 31.
- the longitudinal reinforcing members could be heat-welded or glued onto the container 1 before manufacturing the accordion-type structure 3.
- the second accordion-type structure 4 and/or the longitudinal reinforcing members allow the container 1 to solve the disadvantages of what has been proposed in the prior art.
- the second accordion-type structure 4 in fact, by preventing the liquid from entering the interstices created by the first accordion-type structure 3 from the prior art, solves the previously mentioned problems.
- the same second accordion-type structure 4 contributes to the increase of stiffness and stability of the container 1.
- the longitudinal reinforcing members allow further increasing the stability and stiffness of the container 1 itself, above all along the accordion-type structure 3: in traditional bottles, in fact, when the liquid has to be poured, the plug removal zeroes the pressure exerted onto the bottle walls by liquid and air that are hermetically enclosed therein: consequently, due to its very same nature, the traditional accordion-type structure of the bottle tends to be flexed and distorted under the force exerted by the hand that grasps it and inclines it, making it very difficult for the liquid to comfortably and correctly go out.
- the second accordion-type structure 4 and/or the longitudinal reinforcing members concur to keep the accordion-type structure 3 sufficiently stable and stiff, thereby allowing, even after having removed the plug 11, a greater stiffness and stability of the container 1, guaranteeing an adequate and easy pouring.
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
Description
- The present invention relates to a collapsible container for liquids, in particular for carbonated beverages.
- The prior art provides for a high number of arrangements that provide containers for liquids, particularly bottles, that, due to their collapsible structure, allow adapting the container volume to the remaining amount of liquid inside it; as known, such containers, generally designed for carbonated drinkable liquids, provide the advantages of:
- drastically decreasing the liquid degassing inside the container, keeping the volume of air included between liquid and container plug, practically constant;
- gradually decreasing the container volume depending on the consumption of liquid inside it, thereby reducing the stocking space of the container;
- obtaining a container that, at the end of the consumption of liquid inside it, has already progressively collapsed to its minimum volume, being thereby able to be disposed of without requiring further compressing operations.
- The majority of existing collapsible containers realise what has been described above by providing the side container wall with an accordion-type structure comprising a plurality of bends that are extended when the bottle is full and are gradually bent under a force that is exerted coaxially to the symmetry axis of the container towards its lower end in order to conform themselves to the volume of liquid remaining inside the container.
- A first type of such containers proposed by the prior art provides for a bottle made of plastic material having substantially elastic properties equipped with a side wall comprising a plurality of accordion-type bends on at least one portion of their height formed of tapered and contrary surfaces having the same width. Due to the elastic properties of the bottle material and, above all, due to the symmetrical shape of each bend, this bottle has only a stable balance position coinciding with its completely extended position, this not making it particularly suitable for a frequent use, such as, for example, in case of drinkable liquids.
- Another bottle of the collapsible type has therefore been proposed, in which every bend of the accordion-type structure is characterised by two stable balance positions, an extended position and a collapsed position, due to the fact that the two contrary tapered surfaces forming every bend have a different width and the smaller surface contains, in its collapsed configuration, the adjacent larger surface. An example of this second type of bottle is disclosed in US-A-4 492 313.
- In order to further improve what has been disclosed in the previous type of container, WO-A-0044630 discloses a bottle having means for blocking the bending recovery of the accordion-type structure, comprising bends having an upper surface and a lower surface whose width is lower than the adjacent upper surface and having a curved shape with convexity directed towards the adjacent upper surface against which it collapses.
- The margins for improving such bottles are however still high, since the accordion-type structure has still today several inconveniences as regards bottle stability and stiffness in its extended position, above all when the internal pressure is not kept sufficiently high by the plug, this situation occurring above all when the liquid is poured, bringing about inadequate torsions and/or flexures of the bottle body that sometimes make its use rather difficult.
- Existing accordion-type structures moreover have no means for avoiding that obviously the liquid penetrates inside the bends; thereby, when the container is collapsed, the liquid can remain captured inside the collapsed bends, consequently generating an hydrostatic pressure that opposes the further bottle collapsing and creating an unavoidable waste of the liquid itself.
- Object of the present invention is thereby providing a collapsible container for liquids, particularly for carbonated beverages, having an accordion-type structure equipped with at least one longitudinal reinforcing member adapted to increase the torsion and flexure stiffness of the container itself.
- Moreover, an object of the present invention is providing a collapsible container for liquids equipped with a second, internal accordion-type structure adapted to prevent the liquid from entering the first, external accordion-type structure.
- The above and other objects and advantages of the invention, as will appear from the following description, are obtained by a collapsible container for liquids as disclosed in
Claim 1. Preferred embodiments and non-trivial variations of the present invention are the subject of the dependent claims. - The present invention will be better described by some preferred embodiments thereof, provided as a nonlimiting example, with reference to the enclosed drawings, in which:
- FIG. 1, 2 and 3 show a side sectional view of a
container 1 according to the present invention in various collapsing positions; - FIG. 4 shows an enlarged view of the part in the dashed box A in FIG. 1;
- FIG. 5 shows an enlarged view of another embodiment of the part in the dashed box A in FIG. 1; and
- FIG. 6 shows an enlarged view of still another embodiment of the part in the dashed box in FIG. 1.
- The present invention will be described below as applied to a bottle having a circular section, preferably made of plastic material or anyway a suitably resilient material, but it cannot obviously be excluded that the inventive container can have any other sectional shape.
- With reference therefore to FIG. 1 to 4, it is possible to note therein a
container 1 according to the present invention shaped as a bottle;such container 1 comprises aside wall 2 of which at least a part is equipped with a first accordion-type structure 3 of a known type, alower portion 5 and anupper portion 7 equipped with a neck at the end of which it is possible to apply aplug 11. - With particular reference to FIG. 4, the first accordion-
type structure 2 is composed of a plurality offirst bends 31 bent as a bellows, each one of which is composed of a firstupper surface 311 and a firstlower surface 313 indifferently having the same width or with the firstlower surface 313 having a width that is less than the firstupper surface 311. Moreover, both the firstupper surface 311 and the firstlower surface 313 could have, in their section, a linear or arc-shaped arrangement, as disclosed in the previously-mentioned document WO-A-0044630. - Always with reference to FIG. 1 to 4, it is possible to note that the
container 1 is equipped inside with a second accordion-type structure 4 composed of a plurality ofsecond bends 41 bent as a bellows, each one of which is composed of a secondupper surface 411 and a secondlower surface 413 having preferably the same width. Also in this case, however, the secondupper surface 411 and/or the secondlower surface 413 could have in their sections a linear or arc-shaped arrangement. Suchsecond bends 41 are arranged next to thefirst bends 31 in such a way that, when thecontainer 1 collapses, each secondupper surface 411 collapses on a related adjacent secondlower surface 413, in this way the second collapsedbends 41 being projecting towards thecontainer 1 interior, and the first collapsedbends 31 being projecting towards thecontainer 1 exterior. For such purpose, angle α shown in the Figures between the secondupper surface 411 and the secondlower surface 413, not collapsed, is preferably slightly less than 180° in order not to occupy an excessive volume inside thecontainer 1 when it is not collapsed, though allowing thesecond bends 41 to be bent inwards when collapsing. - Moreover, as previously mentioned, the
container 1 according to the present invention is equipped with at least one longitudinal reinforcing member. In FIG. 5 to 6, it is possible to note that such longitudinal reinforcing member is preferably at least onerib 13 that longitudinally runs along at least one portion of thecontainer 1, preferably along at least the whole height of the accordion-type structure 3. It is clear that, in order to increase thecontainer 1 efficiency, this latter one can be equipped with a plurality ofribs 13; their number must however be such as not to prevent the correct operation of the accordion-type structure 3. - Preferably, the
ribs 13, due to costs and mass economy reasons, are of the same material composingside wall 2, accordion-type structure 3,lower portion 5,upper portion 7 and neck 9; it is however obvious thatsuch ribs 13 can also be made, depending on specific needs, of a different material. - With particular reference to FIG. 5, it is possible to note a sectional view of a preferred embodiment of a
bend 31 of thecontainer 1 according to the present invention: in such embodiment, in fact, it is possible to note that therib 13 longitudinally runs both on theupper surface 311 and on the lower surface 312; moreover, in such embodiment, therib 13 is external to thebend 31. Still more, in order to allow a correct collapsing of the accordion-type structure 3, it is possible to provide that, next to the bending points of thebend 31, therib 13 is equipped with suitable weakeningpoints 131 that, when thecontainer 1 collapses, can also possibly break. - With reference now to FIG: 6, it is possible to note an alternative embodiment of the container 1: in such an embodiment, in fact, the
rib 13 is inside thebend 31; also in this case, as previously described, it is possible to provide that, next to the bending points of thebend 31, therib 13 is equipped with suitable weakeningpoints 131. - From the manufacturing point of view, it is clear that, preferably, the longitudinal reinforcing members are realised onto the
container 1, by moulding or extrusion, before manufacturing the accordion-type structure 3, and in particular thebends 31. Alternatively, the longitudinal reinforcing members could be heat-welded or glued onto thecontainer 1 before manufacturing the accordion-type structure 3. - The second accordion-type structure 4 and/or the longitudinal reinforcing members allow the
container 1 to solve the disadvantages of what has been proposed in the prior art. The second accordion-type structure 4, in fact, by preventing the liquid from entering the interstices created by the first accordion-type structure 3 from the prior art, solves the previously mentioned problems. Moreover, the same second accordion-type structure 4 contributes to the increase of stiffness and stability of thecontainer 1. In addition, the longitudinal reinforcing members allow further increasing the stability and stiffness of thecontainer 1 itself, above all along the accordion-type structure 3: in traditional bottles, in fact, when the liquid has to be poured, the plug removal zeroes the pressure exerted onto the bottle walls by liquid and air that are hermetically enclosed therein: consequently, due to its very same nature, the traditional accordion-type structure of the bottle tends to be flexed and distorted under the force exerted by the hand that grasps it and inclines it, making it very difficult for the liquid to comfortably and correctly go out. - By instead using the
container 1 according to the present invention, the second accordion-type structure 4 and/or the longitudinal reinforcing members concur to keep the accordion-type structure 3 sufficiently stable and stiff, thereby allowing, even after having removed theplug 11, a greater stiffness and stability of thecontainer 1, guaranteeing an adequate and easy pouring.
Claims (14)
- Collapsible container (1) for liquids comprising a side wall (2) having at least one part equipped with a first accordion-type structure (3), a lower portion (5) and an upper portion (7), characterised in that it is equipped with a second, internal accordion-type structure (4).
- Container (1) according to Claim 1, characterised in that said second accordion-type structure (4) is composed of a plurality of second bends (41) bent as a bellows, each one of said second bends (41) being composed of a second upper surface (411) and a second lower surface (413).
- Container (1) according to Claim 2, characterised in that said second upper surface (411) and said second lower surface (413) preferably have the same width.
- Container (1) according to Claim 2, characterised in that an angle α included between said second upper surface (411) and said second lower surface (413) is preferably less than 180°.
- Container (1) according to Claim 1, characterised in that it is equipped with at least one longitudinal reinforcing member.
- Container (1) according to Claim 1, characterised in that it is adapted to contain carbonated beverages.
- Container (1) according to Claim 5, characterised in that said longitudinal reinforcing member slides along at least the accordion-type structure (3).
- Container (1) according to Claim 5, characterised in that said longitudinal reinforcing member is at least one rib (13).
- Container (1) according to Claim 5, characterised in that said longitudinal reinforcing member is outside said container (1).
- Container (1) according to Claim 5, characterised in that said longitudinal reinforcing member is inside said container (1).
- Container (1) according to Claim 8, characterised in that said rib (13) is equipped with weakening points (131) corresponding to bending points of at least one bend (31) of said accordion-type structure (3).
- Container (1) according to Claim 5, characterised in that said longitudinal reinforcing member is moulded onto said container (1).
- Container (1) according to Claim 3, characterised in that said longitudinal reinforcing member is extruded onto said container (1).
- Container (1) according to Claim 3, characterised in that said longitudinal reinforcing member is heat-welded or glued onto said container (1).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04425869A EP1659067A1 (en) | 2004-11-22 | 2004-11-22 | Collapsible container for liquids, particularly for carbonated beverages |
PCT/EP2005/012347 WO2006053758A1 (en) | 2004-11-22 | 2005-11-18 | Collapsible container for liquids, particularly for carbonated beverages |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04425869A EP1659067A1 (en) | 2004-11-22 | 2004-11-22 | Collapsible container for liquids, particularly for carbonated beverages |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1659067A1 true EP1659067A1 (en) | 2006-05-24 |
Family
ID=34932899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04425869A Withdrawn EP1659067A1 (en) | 2004-11-22 | 2004-11-22 | Collapsible container for liquids, particularly for carbonated beverages |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1659067A1 (en) |
WO (1) | WO2006053758A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2349377A1 (en) * | 2009-01-05 | 2010-12-30 | Gonzalo Garcia Requena | Variable volumetry container (Machine-translation by Google Translate, not legally binding) |
WO2011023833A1 (en) * | 2009-08-25 | 2011-03-03 | Munoz Rodolfo Enrique | Variable-volume bellows bottle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1191951A (en) * | 1958-02-26 | 1959-10-22 | Improvements to plastic containers | |
JPH06199349A (en) * | 1993-01-06 | 1994-07-19 | Riso Kagaku Corp | Fluid storage container |
JPH11301633A (en) * | 1998-02-17 | 1999-11-02 | Toyo Seikan Kaisha Ltd | Synthetic resin container |
-
2004
- 2004-11-22 EP EP04425869A patent/EP1659067A1/en not_active Withdrawn
-
2005
- 2005-11-18 WO PCT/EP2005/012347 patent/WO2006053758A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1191951A (en) * | 1958-02-26 | 1959-10-22 | Improvements to plastic containers | |
JPH06199349A (en) * | 1993-01-06 | 1994-07-19 | Riso Kagaku Corp | Fluid storage container |
JPH11301633A (en) * | 1998-02-17 | 1999-11-02 | Toyo Seikan Kaisha Ltd | Synthetic resin container |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 559 (M - 1692) 25 October 1994 (1994-10-25) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2349377A1 (en) * | 2009-01-05 | 2010-12-30 | Gonzalo Garcia Requena | Variable volumetry container (Machine-translation by Google Translate, not legally binding) |
WO2011023833A1 (en) * | 2009-08-25 | 2011-03-03 | Munoz Rodolfo Enrique | Variable-volume bellows bottle |
Also Published As
Publication number | Publication date |
---|---|
WO2006053758A1 (en) | 2006-05-26 |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: REVOLUTION PROJET RMR S.R.L. |
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Inventor name: MALACARNE, ANGELO Inventor name: ROMANO, COSIMO |
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Effective date: 20061113 |
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Effective date: 20090603 |