EP0500707A1 - Kunststoffflasche. - Google Patents
Kunststoffflasche.Info
- Publication number
- EP0500707A1 EP0500707A1 EP90917151A EP90917151A EP0500707A1 EP 0500707 A1 EP0500707 A1 EP 0500707A1 EP 90917151 A EP90917151 A EP 90917151A EP 90917151 A EP90917151 A EP 90917151A EP 0500707 A1 EP0500707 A1 EP 0500707A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bottle
- seal
- neck
- plastics
- cap
- 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.)
- Granted
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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/46—Snap-on caps or cap-like covers
- B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0093—Membrane
Definitions
- Blow moulded bottles made of clear plastics material which is bi-axially oriented during its blow moulding step are particularly attractive for packaging foodstuffs.
- Such bottles are usually made of PET
- PET has a glass transition temperature of around 70 to 75°C in its amorphous state but this increases to between 160 and 180°C once it is bi-axially oriented.
- the neck region of the container and the centre of the base panel is in its amorphous state since this region is not bi-axially stretched during the blow moulding step whereas the remainder of the container is bi-axially oriented as a result of being bi-axially stretched during the blow moulding step.
- a plastics bottle filled with contents which require pasteurisation includes a re-sealable snap-on cap of plastics material covering a primary aluminium foil based seal which forms an hermetic seal with with the top rim of the bottle neck.
- a snap-on cap type closure provides a perfectly satisfactory secondary seal even though it probably would not be sufficiently reliable to withstand long term storage if that was the only seal provided.
- a snap-on type seal also has a very much greater tolerance than a typical screw threaded type closure and thus this press-on cap also accommodates distortion in the neck fitting caused by hot filling.
- the aluminium foil based primary seal provides a greater degree of security against suck back of cooling liquid used to cool hot filled bottles after they have been sealed than does a conventional screw type closure and also, as a result of the semi-vacum that is formed inside the bottle on cooling of its hot contents the primary aluminium foil based seal is, at least to some extent, pulled downwards into the inside of the bottle.
- the aluminium foil based seal is formed by a laminate of aluminium foil and plastics material and preferably the plastics material is the same as that from which the bottle is formed. This facilitates the heat sealing or ultrasonic welding of the aluminium foil based seal to the top rim of the neck of the bottle.
- the aluminium foil based seal can be adhered to the top rim of the neck of the bottle using an adhesive.
- An aluminium foil based seal is substantially impermeable and thus provides a more impermeable closure than many closures made from plastics material.
- the aluminium foil also acts a pilfer evident barrier. Further methods of showing that tampering has taken place are possible such as the inclusion of a thermal strip which indicates a secondary heat application.
- the aluminium foil based seal includes a tab projecting outwards from its seal with the top rim of the bottle neck to enable the seal to be grasped easily by the user and ripped off.
- the snap-on cap of plastics material may be a standard press-on cap such as that sold under the trade name of J Cap made by Johnson and Jorgensen.
- the cap may also include a pilfer proof feature including a tear off neck band which has to be torn off before the snap-off cap can be removed from the neck of the bottle.
- a standard snap-on cap is modified to have a much deeper cap so that it will accommodate the depending tab formed on the aluminium foil based primary seal.
- the bottle is made from PET but, instead, it may be made from polystyrene, or SAN (styrene acrylonitrile) .
- the material is transparent and crystal clear so that the foodstuff contained within the bottle can be seen clearly.
- a bottle in accordance with this invention comprises a bottle 1 made by a stretch blow moulding process from PET having a neck 2 with a neck support ring 3 and annular projections 4 and 5 to receive a pilfer-proof ring and press-on cap, respectively.
- the neck is arranged to receive a 38mm press-on cap.
- the neck 2 includes a top rim 6 on which is heat sealed to a flexible aluminium PET laminate foil seal 7.
- the foil seal 7 includes a projecting tab 9 to enable it easily to be gripped and ripped off by the eventual user. To accommodate this the height of the snap-off lid portion
- the bottle is initially hot filled with, for example fruit juice and then the aluminium foil seal 7 is heat sealed onto the top rim 6 of the neck 2.
- the bottle is then subjected to a post-filling pasteurisation step followed by cooling, typically using water jets to cool the fruit juice to room temperature.
- the production line may include a device arranged to measure the concavity of the foil seal 7 to ensure that an hermetic seal has been formed between the seal and the top rim of the neck 2 of the bottle 1.
- the press-on cap and pilfer-proof ring assembly 8 is pushed downwards onto the neck of the bottle.
- the press-on cap 7 is then used to re-close the bottle 1 to prevent spoilage or spillage of its contents.
- the foil seal 7 may be overprinted with brand identification or, for example to be used as a token in a sales promotion.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898926469A GB8926469D0 (en) | 1989-11-23 | 1989-11-23 | Plastics bottle |
GB8926469 | 1989-11-23 | ||
PCT/GB1990/001811 WO1991008146A1 (en) | 1989-11-23 | 1990-11-23 | Plastics bottle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0500707A1 true EP0500707A1 (de) | 1992-09-02 |
EP0500707B1 EP0500707B1 (de) | 1995-02-15 |
Family
ID=10666768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90917151A Expired - Lifetime EP0500707B1 (de) | 1989-11-23 | 1990-11-23 | Kunststoffflasche |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0500707B1 (de) |
AU (1) | AU6744490A (de) |
DE (1) | DE69017040T2 (de) |
DK (1) | DK0500707T3 (de) |
GB (1) | GB8926469D0 (de) |
WO (1) | WO1991008146A1 (de) |
ZA (1) | ZA909428B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29503460U1 (de) * | 1995-03-01 | 1995-04-13 | Apura Gmbh | Nachfülleinheit für einen Seifenspender |
GB2295143B (en) * | 1995-03-03 | 1998-04-22 | Massmould Holdings | Closure device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB969658A (en) * | 1962-01-11 | 1964-09-16 | Metal Box Co Ltd | Improvements in or relating to bottles made from synthetic thermoplastic materials |
DE3478920D1 (en) * | 1984-01-09 | 1989-08-17 | Lynes Holding Sa | Seal with tear lip for containers |
FR2595294B1 (fr) * | 1986-03-04 | 1988-07-08 | Sidel Sa | Procede et installation pour fabriquer des recipients, tels que des bouteilles, en polyethyleneterephtalate, resistant a des conditions thermiques relativement severes au cours de leur utilisation |
CA1290281C (en) * | 1986-04-25 | 1991-10-08 | Joseph J. Bullock, Iii | Plastic bottle cap having foil neck seal |
-
1989
- 1989-11-23 GB GB898926469A patent/GB8926469D0/en active Pending
-
1990
- 1990-11-23 EP EP90917151A patent/EP0500707B1/de not_active Expired - Lifetime
- 1990-11-23 AU AU67444/90A patent/AU6744490A/en not_active Abandoned
- 1990-11-23 DK DK90917151.4T patent/DK0500707T3/da active
- 1990-11-23 ZA ZA909428A patent/ZA909428B/xx unknown
- 1990-11-23 DE DE69017040T patent/DE69017040T2/de not_active Expired - Fee Related
- 1990-11-23 WO PCT/GB1990/001811 patent/WO1991008146A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9108146A1 * |
Also Published As
Publication number | Publication date |
---|---|
ZA909428B (en) | 1992-01-29 |
EP0500707B1 (de) | 1995-02-15 |
DE69017040D1 (de) | 1995-03-23 |
WO1991008146A1 (en) | 1991-06-13 |
DK0500707T3 (da) | 1995-07-10 |
AU6744490A (en) | 1991-06-26 |
GB8926469D0 (en) | 1990-01-10 |
DE69017040T2 (de) | 1995-06-08 |
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