CA1114273A - Methode de fabrication de pellicule autofermable de largeur variable - Google Patents

Methode de fabrication de pellicule autofermable de largeur variable

Info

Publication number: CA1114273A
Authority: CA; Canada
Prior art keywords: web; fastener strips; fastener; strips; travelling
Prior art date: 1977-01-21
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

CA358,002A

Other languages

English (en)

Inventor

Steven Ausnit

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.)

1977-01-21

Filing date

1980-08-11

Publication date

1981-12-15

1977-01-21 Priority claimed from US05/761,670 external-priority patent/US4101355A/en

1980-08-11 Application filed by Minigrip Inc filed Critical Minigrip Inc

1980-08-11 Priority to CA358,002A priority Critical patent/CA1114273A/fr

1981-12-15 Application granted granted Critical

1981-12-15 Publication of CA1114273A publication Critical patent/CA1114273A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 12
229920003023 plastic Polymers 0.000 claims abstract description 23
239000004033 plastic Substances 0.000 claims abstract description 22
238000004519 manufacturing process Methods 0.000 claims description 31
238000001125 extrusion Methods 0.000 claims description 17
239000002985 plastic film Substances 0.000 claims description 7
229920006255 plastic film Polymers 0.000 claims description 6
230000000694 effects Effects 0.000 claims description 3
239000000789 fastener Substances 0.000 claims 1
239000010408 film Substances 0.000 description 29
239000000463 material Substances 0.000 description 9
239000000853 adhesive Substances 0.000 description 5
230000001070 adhesive effect Effects 0.000 description 5
238000005304 joining Methods 0.000 description 4
230000007246 mechanism Effects 0.000 description 3
239000003000 extruded plastic Substances 0.000 description 2
230000004927 fusion Effects 0.000 description 2
230000013011 mating Effects 0.000 description 2
-1 polypropylene Polymers 0.000 description 2
238000003466 welding Methods 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
239000002131 composite material Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000005489 elastic deformation Effects 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
229920003002 synthetic resin Polymers 0.000 description 1
239000000057 synthetic resin Substances 0.000 description 1
239000010409 thin film Substances 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
238000011179 visual inspection Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Landscapes

Making Paper Articles (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

CA358,002A 1977-01-21 1980-08-11 Methode de fabrication de pellicule autofermable de largeur variable Expired CA1114273A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA358,002A CA1114273A (fr)	1977-01-21	1980-08-11	Methode de fabrication de pellicule autofermable de largeur variable

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US05/761,670 US4101355A (en)	1977-01-21	1977-01-21	Method of and means for making variable width zipper profile film
US761,670		1977-01-21
CA274,971A CA1084824A (fr)	1977-01-21	1977-03-29	Methode et moyen de fabrication de pellicule a profil glissiere de largeur variable
CA358,002A CA1114273A (fr)	1977-01-21	1980-08-11	Methode de fabrication de pellicule autofermable de largeur variable

Publications (1)

Publication Number	Publication Date
CA1114273A true CA1114273A (fr)	1981-12-15

Family

ID=27164999

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA358,002A Expired CA1114273A (fr)	1977-01-21	1980-08-11	Methode de fabrication de pellicule autofermable de largeur variable

Country Status (1)

Country	Link
CA (1)	CA1114273A (fr)

1980
- 1980-08-11 CA CA358,002A patent/CA1114273A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1998-12-15	MKEX	Expiry