CA1284969C - Sacs thermoplastiques, sacs groupes, et leur fabrication - Google Patents

Sacs thermoplastiques, sacs groupes, et leur fabrication

Info

Publication number: CA1284969C
Authority: CA; Canada
Prior art keywords: bag; bags; pack; heat; film
Prior art date: 1984-11-19
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 - Lifetime

Application number

CA000495564A

Other languages

English (en)

Inventor

Timothy W. Pistner

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.)

Mobil Oil AS

Original Assignee

Mobil Oil AS

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.)

1984-11-19

Filing date

1985-11-18

Publication date

1991-06-18

1984-11-19 Priority claimed from US06/672,756 external-priority patent/US4562925A/en

1984-11-26 Priority claimed from US06/675,109 external-priority patent/US4790437A/en

1985-11-18 Application filed by Mobil Oil AS filed Critical Mobil Oil AS

1991-06-18 Application granted granted Critical

1991-06-18 Publication of CA1284969C publication Critical patent/CA1284969C/fr

2008-06-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229920001169 thermoplastic Polymers 0.000 title claims abstract description 52
239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 52
238000004519 manufacturing process Methods 0.000 title abstract description 4
238000000034 method Methods 0.000 claims abstract description 36
238000005520 cutting process Methods 0.000 claims description 14
238000000926 separation method Methods 0.000 claims description 8
230000009471 action Effects 0.000 claims description 2
230000008569 process Effects 0.000 claims description 2
238000007789 sealing Methods 0.000 claims description 2
238000003466 welding Methods 0.000 claims 3
239000000725 suspension Substances 0.000 claims 1
239000010410 layer Substances 0.000 description 20
239000000463 material Substances 0.000 description 8
239000002699 waste material Substances 0.000 description 5
230000007246 mechanism Effects 0.000 description 4
239000010813 municipal solid waste Substances 0.000 description 3
-1 polyethylene Polymers 0.000 description 3
230000007704 transition Effects 0.000 description 3
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
239000005977 Ethylene Substances 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 2
239000012634 fragment Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000002985 plastic film Substances 0.000 description 2
229920006255 plastic film Polymers 0.000 description 2
229920000573 polyethylene Polymers 0.000 description 2
239000002356 single layer Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000011437 continuous method Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
210000005069 ears Anatomy 0.000 description 1
239000012530 fluid Substances 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
229920006178 high molecular weight high density polyethylene Polymers 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
229920000092 linear low density polyethylene Polymers 0.000 description 1
239000004707 linear low-density polyethylene Substances 0.000 description 1
229920001684 low density polyethylene Polymers 0.000 description 1
239000004702 low-density polyethylene Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000004033 plastic Substances 0.000 description 1
238000004023 plastic welding Methods 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
238000010008 shearing Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1
239000004711 α-olefin Substances 0.000 description 1

Landscapes

Bag Frames (AREA)
Making Paper Articles (AREA)

CA000495564A 1984-11-19 1985-11-18 Sacs thermoplastiques, sacs groupes, et leur fabrication Expired - Lifetime CA1284969C (fr)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
US67275884A	1984-11-19	1984-11-19
US672,758		1984-11-19
US672,756		1984-11-19
US06/672,756 US4562925A (en)	1984-11-19	1984-11-19	Thermoplastic bag, bag pack and method of making the same
US675,109		1984-11-26
US06/675,109 US4790437A (en)	1984-11-26	1984-11-26	Thermoplastic bag, bag pack and method of making the same

Publications (1)

Publication Number	Publication Date
CA1284969C true CA1284969C (fr)	1991-06-18

Family

ID=27418255

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000495564A Expired - Lifetime CA1284969C (fr)	1984-11-19	1985-11-18	Sacs thermoplastiques, sacs groupes, et leur fabrication

Country Status (1)

Country	Link
CA (1)	CA1284969C (fr)

1985
- 1985-11-18 CA CA000495564A patent/CA1284969C/fr not_active Expired - Lifetime

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Legal Events

Date	Code	Title	Description
1994-12-19	MKLA	Lapsed