CA1281573C - Materiau pour sac refermable, ainsi que methode et dispositif de faconnage dudit sac - Google Patents
Materiau pour sac refermable, ainsi que methode et dispositif de faconnage dudit sacInfo
- Publication number
- CA1281573C CA1281573C CA000605410A CA605410A CA1281573C CA 1281573 C CA1281573 C CA 1281573C CA 000605410 A CA000605410 A CA 000605410A CA 605410 A CA605410 A CA 605410A CA 1281573 C CA1281573 C CA 1281573C
- Authority
- CA
- Canada
- Prior art keywords
- web
- bag
- fastener strip
- sections
- fastener
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims description 22
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 28
- 239000003000 extruded plastic Substances 0.000 claims description 8
- 229920002457 flexible plastic Polymers 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 description 11
- 230000004927 fusion Effects 0.000 description 7
- -1 polyethylene Polymers 0.000 description 7
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 241001508691 Martes zibellina Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 235000013606 potato chips Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Making Paper Articles (AREA)
- Bag Frames (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000605410A CA1281573C (fr) | 1986-05-05 | 1989-07-11 | Materiau pour sac refermable, ainsi que methode et dispositif de faconnage dudit sac |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000508374A CA1288740C (fr) | 1986-05-05 | 1986-05-05 | Sac refermable, et materiau dont il est fait |
| CA000605410A CA1281573C (fr) | 1986-05-05 | 1989-07-11 | Materiau pour sac refermable, ainsi que methode et dispositif de faconnage dudit sac |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000511140A Division CA1264645A (fr) | 1985-06-18 | 1986-06-09 | Dispositif et methode de production de fonds de chaises et d'articles analogues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1281573C true CA1281573C (fr) | 1991-03-19 |
Family
ID=4133054
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000508374A Expired - Fee Related CA1288740C (fr) | 1986-05-05 | 1986-05-05 | Sac refermable, et materiau dont il est fait |
| CA000605410A Expired - Fee Related CA1281573C (fr) | 1986-05-05 | 1989-07-11 | Materiau pour sac refermable, ainsi que methode et dispositif de faconnage dudit sac |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000508374A Expired - Fee Related CA1288740C (fr) | 1986-05-05 | 1986-05-05 | Sac refermable, et materiau dont il est fait |
Country Status (1)
| Country | Link |
|---|---|
| CA (2) | CA1288740C (fr) |
-
1986
- 1986-05-05 CA CA000508374A patent/CA1288740C/fr not_active Expired - Fee Related
-
1989
- 1989-07-11 CA CA000605410A patent/CA1281573C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA1288740C (fr) | 1991-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4655862A (en) | Method of and means for making reclosable bags and method therefor | |
| US4617683A (en) | Reclosable bag, material, and method of and means for making same | |
| US4844759A (en) | Method of and means for applying reclosable fasteners to plastic film | |
| US4024010A (en) | Open profile bag | |
| US4878987A (en) | Transverse zipper bag material and method of and means for making same | |
| US6044621A (en) | Zipper strip and method of positioning the strip transverse longitudinal axis | |
| US7490451B2 (en) | Method and apparatus for making block bottom pillow top bags | |
| US5127208A (en) | Method and apparatus for forming a reclosable package | |
| US5215380A (en) | Reclosable package with tear strip | |
| US5638586A (en) | Transverse zipper system | |
| US5592802A (en) | Transverse zipper system | |
| US5046300A (en) | Method and apparatus for forming a reclosable package | |
| US5425216A (en) | Method of making reclosable plastic bags on a form, fill and seal machine with open zipper profiles | |
| US4909017A (en) | Reclosable bag material, method and apparatus | |
| US2257823A (en) | Method and apparatus for producing containers | |
| US3853671A (en) | Apparatus for making multiple plastic bags with reclosable fastener thereon | |
| US5884452A (en) | Method and a machine for making packaging bags using a flexible film and a package bag obtained thereby | |
| US6810641B2 (en) | Method and apparatus for forming double zipper bags | |
| JP2004505807A (ja) | 事前装着されたスライダ作動ファスナーを用いて再閉可能なプラスチック袋を作るための方法及び装置 | |
| US20060210202A1 (en) | Reclosable packages with front panel opening and related methods of manufacture | |
| AU608916B2 (en) | Zippered film feed and stretcher for package forming | |
| EP0282723B1 (fr) | Sac à fermeture éclair transversale, méthode et moyens pour le fabriquer | |
| CA2226903C (fr) | Fermeture a glissiere et methode pour placer la fermeture dans l'axe longitudinal | |
| US7114309B2 (en) | Method and apparatus for making reclosable packages having slider-actuated string zippers | |
| CA1281573C (fr) | Materiau pour sac refermable, ainsi que methode et dispositif de faconnage dudit sac |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |