CA1138698A - Methode pour fabriquer des sacs de plastique reutilisables - Google Patents

Methode pour fabriquer des sacs de plastique reutilisables

Info

Publication number: CA1138698A
Authority: CA; Canada
Prior art keywords: profiles; strip; joined; bag; profile
Prior art date: 1979-03-20
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

CA000381219A

Other languages

English (en)

Inventor

John Schmidt

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.)

Minigrip Inc

Original Assignee

Minigrip Inc

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.)

1979-03-20

Filing date

1981-07-06

Publication date

1983-01-04

1979-03-20 Priority claimed from DE2910851A external-priority patent/DE2910851C2/de

1980-01-30 Priority claimed from CA344,733A external-priority patent/CA1123393A/fr

1981-07-06 Application filed by Minigrip Inc filed Critical Minigrip Inc

1981-07-06 Priority to CA000381219A priority Critical patent/CA1138698A/fr

1983-01-04 Application granted granted Critical

1983-01-04 Publication of CA1138698A publication Critical patent/CA1138698A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 14
239000004033 plastic Substances 0.000 title claims abstract description 14
238000001125 extrusion Methods 0.000 claims abstract description 31
230000000295 complement effect Effects 0.000 claims abstract description 20
229920006255 plastic film Polymers 0.000 claims abstract description 9
239000002985 plastic film Substances 0.000 claims abstract description 8
230000003014 reinforcing effect Effects 0.000 claims description 17
238000005304 joining Methods 0.000 claims description 10
238000000034 method Methods 0.000 claims description 9
238000000926 separation method Methods 0.000 claims description 9
239000011324 bead Substances 0.000 claims description 7
238000007789 sealing Methods 0.000 claims description 6
229920000136 polysorbate Polymers 0.000 claims 1
239000000463 material Substances 0.000 description 7
239000010408 film Substances 0.000 description 6
238000010276 construction Methods 0.000 description 3
238000007639 printing Methods 0.000 description 3
238000007665 sagging Methods 0.000 description 3
239000003000 extruded plastic Substances 0.000 description 2
238000011144 upstream manufacturing Methods 0.000 description 2
230000003313 weakening effect Effects 0.000 description 2
230000004888 barrier function Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
238000004080 punching Methods 0.000 description 1
230000002787 reinforcement Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000010409 thin film Substances 0.000 description 1

Landscapes

Making Paper Articles (AREA)

CA000381219A 1979-03-20 1981-07-06 Methode pour fabriquer des sacs de plastique reutilisables Expired CA1138698A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000381219A CA1138698A (fr)	1979-03-20	1981-07-06	Methode pour fabriquer des sacs de plastique reutilisables

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
DE2910851A DE2910851C2 (de)	1979-03-20	1979-03-20	Kunststoffolienbeutel und Verfahren zu seiner Herstellung
DEP2910851.8		1979-03-20
US88,090		1979-10-24
US06/088,090 US4290467A (en)	1979-03-20	1979-10-24	Reclosable film plastic bags and method of making same
CA344,733A CA1123393A (fr)	1979-03-20	1980-01-30	Sacs-presentoirs a suspendre, faits de pellicule plastique refermable, pour marchandises, et methode de fabrication connexe
CA000381219A CA1138698A (fr)	1979-03-20	1981-07-06	Methode pour fabriquer des sacs de plastique reutilisables

Publications (1)

Publication Number	Publication Date
CA1138698A true CA1138698A (fr)	1983-01-04

Family

ID=27426215

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000381219A Expired CA1138698A (fr)	1979-03-20	1981-07-06	Methode pour fabriquer des sacs de plastique reutilisables

Country Status (1)

Country	Link
CA (1)	CA1138698A (fr)

1981
- 1981-07-06 CA CA000381219A patent/CA1138698A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
2000-01-04	MKEX	Expiry