JPS6343215B2 - - Google Patents
Info
- Publication number
- JPS6343215B2 JPS6343215B2 JP55137891A JP13789180A JPS6343215B2 JP S6343215 B2 JPS6343215 B2 JP S6343215B2 JP 55137891 A JP55137891 A JP 55137891A JP 13789180 A JP13789180 A JP 13789180A JP S6343215 B2 JPS6343215 B2 JP S6343215B2
- Authority
- JP
- Japan
- Prior art keywords
- stretching
- film
- stretched
- pulleys
- expansion force
- 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
- 239000012530 fluid Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 230000037303 wrinkles Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000007665 sagging Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000001549 Ipomoea eriocarpa Species 0.000 description 1
- 235000005146 Ipomoea eriocarpa Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13789180A JPS5761528A (en) | 1980-10-01 | 1980-10-01 | Stretching device of plastic film etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13789180A JPS5761528A (en) | 1980-10-01 | 1980-10-01 | Stretching device of plastic film etc. |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5761528A JPS5761528A (en) | 1982-04-14 |
JPS6343215B2 true JPS6343215B2 (de) | 1988-08-29 |
Family
ID=15209087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13789180A Granted JPS5761528A (en) | 1980-10-01 | 1980-10-01 | Stretching device of plastic film etc. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5761528A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57163532A (en) * | 1981-04-01 | 1982-10-07 | Polymer Processing Res Inst | Method for orienting film to traverse direction mainly |
JP2571612B2 (ja) * | 1988-10-12 | 1997-01-16 | 花王株式会社 | フィルムの製造方法 |
DE102008021506A1 (de) * | 2008-04-30 | 2009-11-05 | Lindauer Dornier Gmbh | Vorrichtung zum Querrecken von Folienbahnen |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741922A (en) * | 1980-08-26 | 1982-03-09 | Polymer Processing Res Inst | Lateral stretching of film |
-
1980
- 1980-10-01 JP JP13789180A patent/JPS5761528A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741922A (en) * | 1980-08-26 | 1982-03-09 | Polymer Processing Res Inst | Lateral stretching of film |
Also Published As
Publication number | Publication date |
---|---|
JPS5761528A (en) | 1982-04-14 |
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