JPH0318174Y2 - - Google Patents
Info
- Publication number
- JPH0318174Y2 JPH0318174Y2 JP1753986U JP1753986U JPH0318174Y2 JP H0318174 Y2 JPH0318174 Y2 JP H0318174Y2 JP 1753986 U JP1753986 U JP 1753986U JP 1753986 U JP1753986 U JP 1753986U JP H0318174 Y2 JPH0318174 Y2 JP H0318174Y2
- Authority
- JP
- Japan
- Prior art keywords
- film
- heating element
- bubble
- inflation
- folded
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 12
- 238000007665 sagging Methods 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 230000037303 wrinkles Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1753986U JPH0318174Y2 (US07709020-20100504-C00041.png) | 1986-02-12 | 1986-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1753986U JPH0318174Y2 (US07709020-20100504-C00041.png) | 1986-02-12 | 1986-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61133326U JPS61133326U (US07709020-20100504-C00041.png) | 1986-08-20 |
| JPH0318174Y2 true JPH0318174Y2 (US07709020-20100504-C00041.png) | 1991-04-17 |
Family
ID=30505341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1753986U Expired JPH0318174Y2 (US07709020-20100504-C00041.png) | 1986-02-12 | 1986-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318174Y2 (US07709020-20100504-C00041.png) |
-
1986
- 1986-02-12 JP JP1753986U patent/JPH0318174Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61133326U (US07709020-20100504-C00041.png) | 1986-08-20 |
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