WO2003013974A1 - Zweiteilige schalenverschlüsse - Google Patents
Zweiteilige schalenverschlüsse Download PDFInfo
- Publication number
- WO2003013974A1 WO2003013974A1 PCT/EP2002/008594 EP0208594W WO03013974A1 WO 2003013974 A1 WO2003013974 A1 WO 2003013974A1 EP 0208594 W EP0208594 W EP 0208594W WO 03013974 A1 WO03013974 A1 WO 03013974A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- packaging
- cover
- partially
- sealing
- area
- Prior art date
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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2068—Means for reclosing the cover after its first opening
- B65D77/2072—Mechanical means
- B65D77/2088—Mechanical means attached to the cover
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
-
- 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
- B65D2313/00—Connecting or fastening means
- B65D2313/02—Connecting or fastening means of hook-and-loop 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2025—Multi-layered container, e.g. laminated, coated
- B65D2577/2033—Multi-layered container, e.g. laminated, coated with one or more layers of container being torn off upon initial opening
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5855—Peelable seals
Definitions
- the present invention relates to a plastic packaging comprising a packaging trough and at least a first and a second cover film, both cover films being sealed at least partially peelable to the packaging trough in the sealing area and both cover films having an overlap area and being at least partially sealed to one another in the overlap area, this sealing being peelable is.
- the present invention further relates to a method for producing the packaging according to the invention.
- Packaging goods especially food, are now increasingly being offered to consumers in plastic packaging for sale.
- plastic packagings have a packaging tray in which the packaged goods are located and a cover film. The cover film is sealed to the packaging tray.
- this packaging has the disadvantage that the sealed lidding films are difficult to open by hand.
- the product can slip or fall out if the lid film is removed suddenly.
- the packaged goods are often not used immediately after opening, it is advantageous if the packaging can be reclosed after opening.
- a plastic packaging comprising a packaging tray and at least a first and a second cover film, the cover films in the sealing area being sealed at least partially peelable to the packaging tray and the cover films having an overlap area and at least partially being sealed to one another in the overlap area, whereby this seal is peelable.
- a packaging tray in the sense of the invention is any packaging tray familiar to the person skilled in the art which is produced from a thermoplastic and dimensionally stable single-layer or multilayer film, which is preferred for the packaging of foods.
- the packaging tray is particularly preferably produced from a multilayer film with a foamed carrier film, preferably a foamed polyolefin film, particularly preferably polypropylene film.
- the packaging tray is very particularly preferably produced from a film as disclosed in the patent application with the file number of the German Patent Office 198 40046.2. This patent application is hereby introduced as a reference and is therefore considered part of the disclosure.
- thermoformed, preferably deep-drawn, packaging troughs are closed with at least two, preferably up to eight partially overlapping and at least partially sealed, preferably deep-drawn lid films, this seal being peelable.
- Multi-layer films with a are particularly suitable as cover films
- Gas barrier layer made of ethylene vinyl alcohol copolymer, preferably made of polyethylene terephthalate (PET) / adhesion promoter layer / polyethylene /
- Polyethylene where the polyethylene terephthalate layer can be replaced by polypropylene.
- the packaging trough and / or the cover films can also have SiO x as a gas barrier layer.
- the cover films are then preferably made of PET / SiO x / adhesion promoter / polyethylene.
- Sealing one another in the sense of the invention means that in each case two cover foils are sealed directly onto one another, so that the two foils and the sealing region are in one plane.
- This type of sealing is particularly easy to produce with conventional sealing tools.
- the cover foils preferably have a sealing layer on at least one of their two surfaces which is peelable.
- a mixture of LDPE (Low Density Polyethylene) and a polybutylene is preferably used as the sealing layer.
- the mixture preferably contains 15 to 30% by weight, particularly preferably 20 to 28% by weight, of polybutylene.
- the polybutylene preferably has a melt index (MFI) in the range from 0.3 to 2.0 g / 10 min (190 ° C. and 216 kg according to ASTM 1238).
- the cover foils are sealed to the packaging trough in the sealing area, the cover foils being sealed to the packaging trough at least partially so as to be peelable.
- the cover films are at a temperature of 130 ° C to 150 ° C, preferably from 135 ° C to 145 ° C, and a pressure of 3 to 8 x 10 5 N / m 2 , preferably from 4.0 to 5.0 x 10 5 N / m 2 sealed to the packaging tray.
- the packaging according to the invention is to have a non-peelable, ie tightly sealed, part of the sealing area
- the firm sealing is preferably carried out at a temperature which is at least 10 ° C. higher and preferably twice the pressure compared to the peelable " Sealing.
- a fixed seal in the sense of the invention is a seal in which the peeling force of the cover film has to be at least five times higher than in the area of the peelable seal.
- the sealing area on the packaging trough is preferably located on a horizontal plane, preferably above the packaging material, and preferably extends on this level around the entire packaging material.
- the cover films can preferably be firmly sealed to the packaging trough on at least one side of this polygon, while the cover films in the remaining sealing area are peelable with the packaging trough.
- 5-25% of the sealing area can preferably be provided with a fixed seal.
- the packaging according to the invention is designed such that the cover films are only partially or not sealed to one another in the area in which the overlap area and the sealing area overlap. This makes it easy to grasp the top cover film at the ends of the overlap area for the purpose of opening the packaging.
- the packaging according to the invention is designed such that the upper cover film in the edge area of the cover film in the overlap area is not sealed at all or only partially peelable onto the lower cover film. This makes it easy to grasp the top cover film over the entire area for the purpose of opening the packaging.
- the packaging according to the invention is designed such that the cover films are at least partially permanently sealed at least at one distal end.
- a very particularly preferred embodiment of the packaging according to the invention is designed in such a way that the overlap area and optionally the sealing area can be at least partially reclosable.
- the closure is preferably carried out by means of a Velcro fastener, a zip fastener, a sealing lip, a snap fastener, a locking knob with a pair, a suitable adhesive material or an adhesive strip which is at least partially in contact with both parts of the cover films.
- Suitable zippers are disclosed, for example, in EP 0 621 197 A1. Suitable sealing lips and snap closures are disclosed, for example, in EP 0 427 512. Suitable Velcro fasteners are disclosed, for example, in patent application DE 198 59 043.1. These publications are hereby introduced for reference and are therefore part of the disclosure.
- the packaging tray is preferably sealed gas-tight with the cover foils, which in turn are sealed gas-tight on one another in the overlap area.
- a gas exchange in the packaging is preferably carried out.
- both cover foils are connected by a highly visible sealing material, as is disclosed, for example, in the parallel application with the file number DE 101 20 366.7, which is damaged when the packaging is opened for the first time.
- the parallel application with the file number DE 101 20 366.7 is hereby introduced as a reference and is therefore considered part of the disclosure.
- the damage to the sealing material caused by the opening of the packaging for the first time is preferably carried out as a break and / or by at least partially falling off at least part of the sealing material and / or by deformation of at least part of the sealing material, the damage preferably being recognizable without technical aids is.
- Both lid foils are preferably connected to the packaging trough at the distal end by a joint that can be opened and closed.
- the sealing plane is preferably inclined with respect to the horizontal, preferably with an inclination angle of 2 to 45 °, particularly preferably 5 to 30 ° and very preferably 6-15 °.
- Foods preferably solid, particularly preferably fresh or cooked meat or sausage products, are particularly preferably packaged in the packaging according to the invention.
- the packaging according to the invention enables the consumer to open the packaging quickly and without special skill.
- the bottom lid film prevents the product from falling out of the packaging tray.
- the present invention also relates to the methods for producing the plastic packaging according to the invention.
- such methods include a) the at least partial, peelable sealing of the cover films in the overlap region and subsequently b) the at least partial sealing of the multi-part cover film connected to one another on the packaging tray already filled with the product to be packaged.
- Methods are particularly preferred in which the sealing of the cover films to the packaging tray is at least partially peelable.
- sealing of at least a partial area of at least one of the cover foils to the packaging tray is at least partially permanent.
- Figure 1 is a side spatial view of a plastic packaging provided with two cover films in the closed state.
- Figure 2 is a side perspective view of a plastic packaging provided with two cover films in the half-opened state.
- FIG. 3 is a top view of a plastic packaging provided with two cover films in the closed state.
- Packaging packaging tray a first cover film b second cover film 4 Sealing area of a packaging tray or cover film
- FIG. 1 shows a closed plastic packaging 1 according to the invention, which consists of a packaging trough 2 and a first cover film 3a and a second cover film 3b.
- the two cover foils 3a and 3b are sealed to one another in their overlap area.
- the sealing area is shown by the two parallel dashed lines. Because the overlap area 5 has not been sealed over its entire width, the film 3b can easily be lifted off from the film 3a and the sealing area 10 can be torn open.
- the person skilled in the art recognizes that the two foils 3a and 3b and the overlap region 5 and the sealing region 10 are located in a vertical plane, so that the two cover foils can be sealed together using extremely simple tools.
- this form of sealing means that the overlap area 5 and the sealing area 10 do not protrude from the packaging, so that they can be easily stacked.
- the cover foils 3a and 3b are partially peelable in the sealing area 4 to the packaging tray 2.
- the cover films in the sealing area 4 are permanently sealed to the packaging trough 2 over the entire width.
- the closed packaging is opened by lifting the film edge 6 of the second cover film 3b and pulling it back towards the distal end 7 of the cover film 3b. As soon as the previously covered film edge 8 of the lower cover film 3a is exposed, it can also be opened by pulling it up and back to the distal end 7 of the cover film 3a.
- FIG. 2 shows the partially opened plastic packaging according to FIG. 1.
- the packaging according to FIG. 2 has a film edge 6 on the second cover film 3b, which in the closed state only rests on the lower first cover film 3a and is not sealed to the film 3a and is therefore easily accessible to the consumer.
- the person skilled in the art also recognizes the part of the sealing area 4 which is visible through the opened cover films.
- the visible sealing area 4 and the outwardly facing surface of the lower first cover film 3a, which rests on the sealing area when the packaging is closed, is sealed with a reusable sealing material using a reusable material.
- the packaging can be closed again after opening by placing the cover films 3a and 3b on top of one another and forming an overlap area.
- FIG. 3 shows a plastic packaging according to the invention in a top view, the sealing area 4 being shown as a dashed area.
- the overlap region 5 of the cover films 3a and 3b lies between the upper film edge 6 and the hidden film edge 8.
- these cover films are permanently sealed to the packaging trough 2 in order to prevent the cover films 3a and 3b from being torn off completely .
- the cover foils are not sealed at all or only partially and peelable, and it is therefore easy to grasp the second cover foil 3b in this overlap area.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Air Bags (AREA)
- Prostheses (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Closures For Containers (AREA)
- Seal Device For Vehicle (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT02794536T ATE308466T1 (de) | 2001-08-03 | 2002-08-01 | Zweiteilige schalenverschlüsse |
DE50204797T DE50204797D1 (de) | 2001-08-03 | 2002-08-01 | Zweiteilige schalenverschlüsse |
EP02794536A EP1417139B1 (de) | 2001-08-03 | 2002-08-01 | Zweiteilige schalenverschlüsse |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10137659.6 | 2001-08-03 | ||
DE10137659A DE10137659A1 (de) | 2001-08-03 | 2001-08-03 | Zweiteilige Schalenverschlüsse |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003013974A1 true WO2003013974A1 (de) | 2003-02-20 |
Family
ID=7693972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/008594 WO2003013974A1 (de) | 2001-08-03 | 2002-08-01 | Zweiteilige schalenverschlüsse |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1417139B1 (de) |
AT (1) | ATE308466T1 (de) |
DE (2) | DE10137659A1 (de) |
DK (1) | DK1417139T3 (de) |
ES (1) | ES2252534T3 (de) |
WO (1) | WO2003013974A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2447958A (en) * | 2007-03-29 | 2008-10-01 | British American Tobacco Co | Tobacco container with overlapping seals |
JP2015009898A (ja) * | 2014-03-24 | 2015-01-19 | 株式会社エバーウィングス | 包装用フィルム |
US10647493B2 (en) | 2015-06-16 | 2020-05-12 | Roesler IP GmbH | Multi-part packaging with sealed connection joint |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2070553B2 (de) † | 2006-09-21 | 2022-06-08 | Ulma Packaging Technological Center, S.Coop. | Gerät zum erhalt dieses behälters |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4673601A (en) * | 1984-05-07 | 1987-06-16 | Nyffeler, Corti Ag | Cold- or heat-sealable composite film for reclosable packages |
US5857582A (en) * | 1995-03-15 | 1999-01-12 | Danisco A/S | Package comprising a tray-shaped bottom part and a cover |
US6056141A (en) * | 1997-12-18 | 2000-05-02 | Safta S.P.A. | Reclosable packing system |
WO2000037334A1 (de) * | 1998-12-21 | 2000-06-29 | Convenience Food Systems B.V. | Wiederverschliessbare kunststoffverpackung mit einem klettverschluss |
US6138439A (en) * | 1999-05-21 | 2000-10-31 | Illinois Tool Works Inc. | Methods of making slide-zippered reclosable packages on horizontal form-fill-seal machines |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2060541A (en) * | 1979-10-19 | 1981-05-07 | Metal Box Co Ltd | Packs incorporating opening means |
US5052557A (en) * | 1989-08-18 | 1991-10-01 | Newell Co. | Combination display and shipping package for beverageware |
US5064664A (en) * | 1990-04-04 | 1991-11-12 | Oscar Mayer Foods Corporation | Package having engraved lettering peel seal tamper-evidence message |
DK152492A (da) * | 1992-12-21 | 1994-06-29 | Raackmanns Fab As | Emballage omfattende en bakkeformet underdel og en afdækningsdel |
DE19802016B4 (de) * | 1997-05-13 | 2011-09-29 | Abro Weidenhammer Gmbh | Behälter mit Verschlußmembran |
-
2001
- 2001-08-03 DE DE10137659A patent/DE10137659A1/de not_active Withdrawn
-
2002
- 2002-08-01 DE DE50204797T patent/DE50204797D1/de not_active Expired - Fee Related
- 2002-08-01 ES ES02794536T patent/ES2252534T3/es not_active Expired - Lifetime
- 2002-08-01 EP EP02794536A patent/EP1417139B1/de not_active Expired - Lifetime
- 2002-08-01 WO PCT/EP2002/008594 patent/WO2003013974A1/de not_active Application Discontinuation
- 2002-08-01 AT AT02794536T patent/ATE308466T1/de not_active IP Right Cessation
- 2002-08-01 DK DK02794536T patent/DK1417139T3/da active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4673601A (en) * | 1984-05-07 | 1987-06-16 | Nyffeler, Corti Ag | Cold- or heat-sealable composite film for reclosable packages |
US5857582A (en) * | 1995-03-15 | 1999-01-12 | Danisco A/S | Package comprising a tray-shaped bottom part and a cover |
US6056141A (en) * | 1997-12-18 | 2000-05-02 | Safta S.P.A. | Reclosable packing system |
WO2000037334A1 (de) * | 1998-12-21 | 2000-06-29 | Convenience Food Systems B.V. | Wiederverschliessbare kunststoffverpackung mit einem klettverschluss |
US6138439A (en) * | 1999-05-21 | 2000-10-31 | Illinois Tool Works Inc. | Methods of making slide-zippered reclosable packages on horizontal form-fill-seal machines |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2447958A (en) * | 2007-03-29 | 2008-10-01 | British American Tobacco Co | Tobacco container with overlapping seals |
JP2015009898A (ja) * | 2014-03-24 | 2015-01-19 | 株式会社エバーウィングス | 包装用フィルム |
US10647493B2 (en) | 2015-06-16 | 2020-05-12 | Roesler IP GmbH | Multi-part packaging with sealed connection joint |
Also Published As
Publication number | Publication date |
---|---|
DK1417139T3 (da) | 2006-03-20 |
ES2252534T3 (es) | 2006-05-16 |
ATE308466T1 (de) | 2005-11-15 |
DE50204797D1 (de) | 2005-12-08 |
EP1417139B1 (de) | 2005-11-02 |
EP1417139A1 (de) | 2004-05-12 |
DE10137659A1 (de) | 2003-02-20 |
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