CA1222485A - Sac facile a ouvrir, avec bande arrachable - Google Patents

Sac facile a ouvrir, avec bande arrachable

Info

Publication number: CA1222485A
Authority: CA; Canada
Prior art keywords: bag; strip; package; film; heat seal
Prior art date: 1982-10-08
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.): Expired

Application number

CA000433778A

Other languages

English (en)

Inventor

Milton A. Howe, Jr., (Deceased)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cryovac LLC

Original Assignee

WR Grace and Co

Priority date (The priority date 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 date listed.)

1982-10-08

Filing date

1983-08-03

Publication date

1987-06-02

1983-08-03 Application filed by WR Grace and Co filed Critical WR Grace and Co

1987-06-02 Application granted granted Critical

1987-06-02 Publication of CA1222485A publication Critical patent/CA1222485A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 claims abstract description 17
229920001169 thermoplastic Polymers 0.000 claims abstract description 10
239000004416 thermosoftening plastic Substances 0.000 claims abstract description 10
239000000463 material Substances 0.000 claims abstract description 9
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
230000004888 barrier function Effects 0.000 claims description 7
229920001577 copolymer Polymers 0.000 claims description 7
239000005038 ethylene vinyl acetate Substances 0.000 claims description 5
239000004677 Nylon Substances 0.000 claims description 3
239000004698 Polyethylene Substances 0.000 claims description 3
239000000203 mixture Substances 0.000 claims description 3
229920001778 nylon Polymers 0.000 claims description 3
-1 polyethylene Polymers 0.000 claims description 2
229920000573 polyethylene Polymers 0.000 claims description 2
229920001384 propylene homopolymer Polymers 0.000 claims description 2
229920003020 cross-linked polyethylene Polymers 0.000 claims 2
239000004703 cross-linked polyethylene Substances 0.000 claims 2
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
239000010410 layer Substances 0.000 description 15
229920000642 polymer Polymers 0.000 description 5
DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
238000004806 packaging method and process Methods 0.000 description 4
230000008901 benefit Effects 0.000 description 3
230000008569 process Effects 0.000 description 3
239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
230000009471 action Effects 0.000 description 2
235000013351 cheese Nutrition 0.000 description 2
238000005520 cutting process Methods 0.000 description 2
230000032798 delamination Effects 0.000 description 2
239000011229 interlayer Substances 0.000 description 2
235000013372 meat Nutrition 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
229920006280 packaging film Polymers 0.000 description 2
239000012785 packaging film Substances 0.000 description 2
238000007789 sealing Methods 0.000 description 2
OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000002788 crimping Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
229920006300 shrink film Polymers 0.000 description 1
239000000758 substrate Substances 0.000 description 1

Landscapes

Bag Frames (AREA)
Medicinal Preparation (AREA)

CA000433778A 1982-10-08 1983-08-03 Sac facile a ouvrir, avec bande arrachable Expired CA1222485A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US43334782A	1982-10-08	1982-10-08
US433,347		1982-10-08

Publications (1)

Publication Number	Publication Date
CA1222485A true CA1222485A (fr)	1987-06-02

Family

ID=23719840

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000433778A Expired CA1222485A (fr)	1982-10-08	1983-08-03	Sac facile a ouvrir, avec bande arrachable

Country Status (4)

Country	Link
JP (2)	JPS5974067A (fr)
AU (1)	AU1464983A (fr)
CA (1)	CA1222485A (fr)
ZA (1)	ZA833340B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5330269A (en) *	1991-11-08	1994-07-19	Toyo Aluminum Kabushiki Kaisha	Package

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0759521B2 (ja) *	1985-09-30	1995-06-28	藤沢薬品工業株式会社	ゲル層形成型徐放性製剤
JPH07112746A (ja) *	1993-10-19	1995-05-02	Idemitsu Petrochem Co Ltd	易開封性密封袋
JP4857658B2 (ja) *	2005-08-24	2012-01-18	トヨタ自動車株式会社	サスペンション装置

1983
- 1983-05-10 ZA ZA833340A patent/ZA833340B/xx unknown
- 1983-05-18 AU AU14649/83A patent/AU1464983A/en not_active Abandoned
- 1983-08-03 CA CA000433778A patent/CA1222485A/fr not_active Expired
- 1983-09-14 JP JP58168489A patent/JPS5974067A/ja active Pending
- 1983-10-07 JP JP58187157A patent/JPS6051107A/ja active Pending

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5330269A (en) *	1991-11-08	1994-07-19	Toyo Aluminum Kabushiki Kaisha	Package

Also Published As

Publication number	Publication date
AU1464983A (en)	1984-04-12
ZA833340B (en)	1984-01-25
JPS6051107A (ja)	1985-03-22
JPS5974067A (ja)	1984-04-26

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Legal Events

Date	Code	Title	Description
2004-06-02	MKEX	Expiry