DE537079T1 - Verpackung, durch Zerreissen einfach zu öffnen. - Google Patents
Verpackung, durch Zerreissen einfach zu öffnen.Info
- Publication number
- DE537079T1 DE537079T1 DE92402766T DE92402766T DE537079T1 DE 537079 T1 DE537079 T1 DE 537079T1 DE 92402766 T DE92402766 T DE 92402766T DE 92402766 T DE92402766 T DE 92402766T DE 537079 T1 DE537079 T1 DE 537079T1
- Authority
- DE
- Germany
- Prior art keywords
- film
- packaging according
- area
- thickening
- tab
- 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.)
- Pending
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract 14
- 238000001125 extrusion Methods 0.000 claims abstract 3
- 229920001169 thermoplastic Polymers 0.000 claims abstract 2
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract 2
- 230000008719 thickening Effects 0.000 claims 7
- 230000002787 reinforcement Effects 0.000 claims 6
- 229920001577 copolymer Polymers 0.000 claims 4
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 125000002843 carboxylic acid group Chemical group 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910021645 metal ion Inorganic materials 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000004711 α-olefin Substances 0.000 claims 1
- 239000003999 initiator Substances 0.000 abstract 2
- 210000002105 tongue Anatomy 0.000 abstract 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B65D75/5827—Tear-lines provided in a wall portion
- B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
- B32B2307/736—Shrinkable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S383/00—Flexible bags
- Y10S383/908—Material having specified grain direction or molecular orientation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/91—Product with molecular orientation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
- Y10T428/24314—Slit or elongated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
- Y10T428/3192—Next to vinyl or vinylidene chloride polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31928—Ester, halide or nitrile of addition polymer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Closures For Containers (AREA)
- Laminated Bodies (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Sealing Material Composition (AREA)
Claims (12)
1. Leicht einreißbare Verpackung, gebildet aus einer thermoplastischen, schrumpfbar extrudierten Folie, welche
(a) mindestens eine Polyolefinlage, und
(b) mindestens eine Lage eines Copolymeren, ausgewählt unter den ionischen Copolymeren aus:
(1) alpha-Olefinen der Formel R-CH=CH2,
in welcher R Wasserstoff ist oder ein Alkylradikal,
das ein bis acht Kohlenstoffatome besitzt,
(2) alpha,beta-ethylenisch ungesättigten Carboxylsäuren,
die drei bis acht Kohlenstoffatome aufweisen, und
(3) möglicherweise einer weiteren monoethylenisch
ungesättigten monomeren Verbindung
aufweist, wobei die genannten Copolymeren 10-90% Carboxylsäuregruppen
aufweisen, die ionisiert sind durch Neutralisation mittels Metallionen, die über das Copolymer verteilt
sind,
dadurch gekennzeichnet, daß diese ein Anfangs-Einreißstück
aufweist in Form einer Falz oder einer Lasche (4,5), das erkennbar ausgerichtet ist in Richtung (2) senkrecht zur
Extrusionsrichtung der Folie (1).
2. Verpackung nach Anspruch 1, dadurch gekennzeichnet, daß die Lasche durch zwei Einschnitte (6,7) gebildet ist,
die erkennbar parallel zur Richtung (2) senkrecht zu der Extrusionsrichtung der Folie (1) verlaufen.
3. Verpackung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Anfangs-Einreißstück zwei Laschen (4,5)
aufweist, die zueinander entgegengesetzt anqeordnet sind und durch einen Schnitt (6,7,8) in der allgemeinen F---.rii!
eines H gebildet sind.
VGN: 233 633 21 252 Mü./Y/ha 19.10.1993
4. Verpackung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die zwei Einschnitte (6,7), die
zumindest eine Lasche (4,5) bilden, voneinander in einer Breite (c) beabstandet sind, die zwischen 15 und 40 mm
beträgt.
5. Verpackung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zwei Einschnitte (6,7), die
zumindest eine Lasche (4,5) bilden, eine Einschnittlänge zwischen 10 und 25 mm aufweisen.
6. Verpackung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Falz oder die Lasche (4,5) in
einem Bereich (3) mit Verstärkung oder Verdickung der Folie (1) gebildet ist.
7. Verpackung nach Anspruch 6, dadurch gekennzeichnet, daß der Verstärkungsbereich oder der Verdickungsbereich
durch ein Etikett (3) gebildet ist, das auf die Folie (1) aufgeklebt oder aufgeschweißt ist.
8. Verpackung nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß der Verstärkungsbereich oder der Verdickungsbereich
(3) aus einem Material gebildet ist, das demjenigen der Folie (1) ähnlich ist und erkennbar in einer Richtung
parallel zu derjenigen der Folie (1) ausgerichtet ist.
9. Verpackung nach einem der Ansprüche 6 bis 8, dadurch
gekennzeichnet, daß der Abstand (d) zwischen jedem der parallelen Einschnitte (6,7) der Laschen (4,5) und dem
Rand (3a,3b) des Verstärkungsbereiches oder des Verdikkungsbereiches
(3) der Folie (1) mindestens 5 mm und vorzugsweise etwa 10 mm beträgt.
VGN: 233 633 21 252 Mü./Y/ha 19.
10.1993
-&bgr;&iacgr;&ogr;. Verpackung nach einem der Ansprüche 6 bis 9, dadurch
gekennzeichnet, daß der Längsabstand (D) zwischen den äußersten Enden (6a,7a) und (6b,7b) der Paralleleinschnitte
(6,7) der Laschen (4,5) und dem Rand (3a,3b) des Verstärkungsbereiches oder des Verdickungsberexches (3) der
Folie (1) und dem Längsrand (3c) des genannten Bereiches (3) der Folie (1) zwischen 10 und 20 mm beträgt.
11. Verpackung nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, daß der Verstärkungsbereich oder
Verdickungsbereich (3) eine Breite (a) zwischen 25 und 50 mm, vorzugsweise zwischen 30 und 50 mm aufweist.
12. Verpackung nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, daß der Verstärkungsbereich oder Verdickungsbereich
(3) eine Länge (b) von mindestens 40 mm und vorzugsweise zwischen 80 und 120 mm aufweist.
VGN: 233 633 21 252 Mü./Y/ha 19.10.1993
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9112555 | 1991-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE537079T1 true DE537079T1 (de) | 1994-02-03 |
Family
ID=9417830
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69220748T Expired - Lifetime DE69220748T2 (de) | 1991-10-11 | 1992-10-09 | Verpackung, durch Zerreissen einfach zu öffnen |
DE92402766T Pending DE537079T1 (de) | 1991-10-11 | 1992-10-09 | Verpackung, durch Zerreissen einfach zu öffnen. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69220748T Expired - Lifetime DE69220748T2 (de) | 1991-10-11 | 1992-10-09 | Verpackung, durch Zerreissen einfach zu öffnen |
Country Status (11)
Country | Link |
---|---|
US (1) | US5556674A (de) |
EP (1) | EP0537079B1 (de) |
JP (1) | JP2869267B2 (de) |
AT (1) | ATE155074T1 (de) |
CA (1) | CA2080274C (de) |
DE (2) | DE69220748T2 (de) |
DK (1) | DK0537079T3 (de) |
ES (1) | ES2044814T3 (de) |
GR (2) | GR930300121T1 (de) |
NO (1) | NO302409B1 (de) |
ZA (1) | ZA927783B (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5874155A (en) * | 1995-06-07 | 1999-02-23 | American National Can Company | Easy-opening flexible packaging laminates and packaging materials made therefrom |
FR2766465B1 (fr) * | 1997-07-24 | 1999-09-03 | Soplaril Sa | Pack d'objets emballes avec un film plastique, film plastique pour l'emballage d'un pack, et procede de fabrication du film plastique |
US6302321B1 (en) | 1999-10-11 | 2001-10-16 | Sonoco Development, Inc. | Sealant layer for container lid |
GB0100352D0 (en) * | 2001-01-08 | 2001-02-14 | Ucb Sa | Films packaging and methods for making them |
JP4704598B2 (ja) * | 2001-04-27 | 2011-06-15 | 株式会社フジシールインターナショナル | シュリンク包装体及びその製法 |
US7438940B2 (en) * | 2002-04-19 | 2008-10-21 | E. I. Du Pont De Nemours And Company | Film and film structures having improved oxygen transmission, forming, and puncture resistances |
GB0216768D0 (en) * | 2002-07-19 | 2002-08-28 | Ugb S A | Polymeric film |
US20050100753A1 (en) * | 2003-11-07 | 2005-05-12 | Reese Barry R. | Mono-web directional tear packaging film |
US8021746B2 (en) * | 2006-07-19 | 2011-09-20 | E.I. Du Pont De Nemours And Company | Article comprising oxygen permeable layer |
EP2255847A1 (de) | 2006-08-11 | 2010-12-01 | Koninklijke Philips Electronics N.V. | Ultraschallsystem zur Überwachung der Gehirndurchblutung |
US7514380B2 (en) * | 2006-08-18 | 2009-04-07 | E. I. Du Pont De Nemours And Company | Selectively permeable protective structure and articles therefrom |
US8522978B2 (en) * | 2006-12-01 | 2013-09-03 | Cryovac, Inc. | Stress concentrator for opening a flexible container |
US10189621B2 (en) * | 2007-05-21 | 2019-01-29 | Cryovac, Inc. | Bag made from high-strength heat-shrinkable film exhibiting directional tear, and process utilizing same |
US10202229B2 (en) | 2007-05-21 | 2019-02-12 | Cryovac, Inc. | Easy opening packaging article made from heat-shrinkable film exhibiting directional tear |
US7980272B2 (en) * | 2007-06-21 | 2011-07-19 | Samsung Electronics Co., Ltd. | Microfluidic valve, method of manufacturing the same, and microfluidic device comprising the microfluidic valve |
EP2313268A1 (de) * | 2008-08-15 | 2011-04-27 | E. I. du Pont de Nemours and Company | Selektiv durchlässige schutzstruktur und verwendungsverfahren |
RU2550491C2 (ru) * | 2010-05-12 | 2015-05-10 | Эйвери Деннисон Корпорейшн | Термоусадочная упаковочная система и способ |
US11014706B2 (en) * | 2018-05-01 | 2021-05-25 | Apple Inc. | Opening configuration for shrink-wrapped package |
CN111890765A (zh) * | 2020-07-21 | 2020-11-06 | 金石包装(嘉兴)有限公司 | 一种塑料容器易撕薄膜及制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB732032A (en) * | 1952-10-29 | 1955-06-15 | Algida Ind Alimenti Gelati Soc | Improvements in or relating to wrappings for articles |
US3344975A (en) * | 1965-10-14 | 1967-10-03 | Goodyear Tire & Rubber | Package having a tear tab |
JPS5160980U (de) * | 1974-11-07 | 1976-05-13 | ||
JPS5739301Y2 (de) * | 1981-07-13 | 1982-08-30 | ||
US4532189A (en) * | 1982-02-19 | 1985-07-30 | W. R. Grace & Co., Cryovac Div. | Linear polyethylene shrink films |
US4469742A (en) * | 1983-01-31 | 1984-09-04 | W. R. Grace & Co., Cryovac Div. | Pasteurizable, cook-in shrink film |
JPS61295036A (ja) * | 1985-06-25 | 1986-12-25 | 呉羽化学工業株式会社 | 熱収縮性積層フイルム |
US4818588A (en) * | 1985-11-20 | 1989-04-04 | Dai Nippon Insatsu Kabushiki Kaisha | Packaging materials |
US4865902A (en) * | 1986-01-17 | 1989-09-12 | E. I. Du Pont De Nemours And Company | Multilayered polyolefin high shrinkage, low-shrink force shrink film |
US4762748A (en) * | 1986-06-30 | 1988-08-09 | W. R. Grace & Co. | Multilayer film with better layer adhesion |
JPH0191764U (de) * | 1987-12-09 | 1989-06-15 | ||
US4834245A (en) * | 1988-08-05 | 1989-05-30 | Kabushiki Kaisha Hosokawa Yoko | Pouch having tearing zone for taking out content packed therein |
JPH0285171A (ja) * | 1988-09-16 | 1990-03-26 | Asahi Kasei Porifuretsukusu Kk | 横開封型食品充填袋 |
GB2227448B (en) * | 1988-11-18 | 1992-09-30 | Grace W R & Co | Multi-layer film structure for packaging and bags made therefrom |
GB8828349D0 (en) * | 1988-12-05 | 1989-01-05 | Du Pont Canada | Film laminate with easy to td tear |
-
1992
- 1992-10-08 NO NO923914A patent/NO302409B1/no not_active IP Right Cessation
- 1992-10-09 DK DK92402766.7T patent/DK0537079T3/da active
- 1992-10-09 ES ES92402766T patent/ES2044814T3/es not_active Expired - Lifetime
- 1992-10-09 EP EP92402766A patent/EP0537079B1/de not_active Expired - Lifetime
- 1992-10-09 US US07/958,735 patent/US5556674A/en not_active Expired - Lifetime
- 1992-10-09 CA CA002080274A patent/CA2080274C/en not_active Expired - Fee Related
- 1992-10-09 AT AT92402766T patent/ATE155074T1/de active
- 1992-10-09 DE DE69220748T patent/DE69220748T2/de not_active Expired - Lifetime
- 1992-10-09 DE DE92402766T patent/DE537079T1/de active Pending
- 1992-10-09 ZA ZA927783A patent/ZA927783B/xx unknown
- 1992-10-09 JP JP4297940A patent/JP2869267B2/ja not_active Expired - Fee Related
-
1993
- 1993-12-30 GR GR930300121T patent/GR930300121T1/el unknown
-
1997
- 1997-09-19 GR GR970402435T patent/GR3024801T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ES2044814T3 (es) | 1997-10-16 |
ATE155074T1 (de) | 1997-07-15 |
NO923914D0 (no) | 1992-10-08 |
NO923914L (no) | 1993-04-13 |
EP0537079B1 (de) | 1997-07-09 |
GR3024801T3 (en) | 1998-01-30 |
ZA927783B (en) | 1993-05-10 |
DE69220748T2 (de) | 1998-01-29 |
CA2080274C (en) | 1999-01-12 |
DE69220748D1 (de) | 1997-08-14 |
CA2080274A1 (en) | 1993-04-12 |
US5556674A (en) | 1996-09-17 |
GR930300121T1 (en) | 1993-12-30 |
JPH0655712A (ja) | 1994-03-01 |
ES2044814T1 (es) | 1994-01-16 |
EP0537079A1 (de) | 1993-04-14 |
NO302409B1 (no) | 1998-03-02 |
DK0537079T3 (da) | 1997-10-13 |
JP2869267B2 (ja) | 1999-03-10 |
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