CA1019515A - Method and apparatus for stretching a thermo-softening high molecular film - Google Patents
Method and apparatus for stretching a thermo-softening high molecular filmInfo
- Publication number
- CA1019515A CA1019515A CA187,211A CA187211A CA1019515A CA 1019515 A CA1019515 A CA 1019515A CA 187211 A CA187211 A CA 187211A CA 1019515 A CA1019515 A CA 1019515A
- Authority
- CA
- Canada
- Prior art keywords
- thermo
- stretching
- high molecular
- molecular film
- softening high
- 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
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
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
-
- 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
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
- B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
-
- 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
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12274172A JPS557372B2 (en) | 1972-12-06 | 1972-12-06 | |
JP12088473A JPS5071773A (en) | 1973-10-26 | 1973-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1019515A true CA1019515A (en) | 1977-10-25 |
Family
ID=26458382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA187,211A Expired CA1019515A (en) | 1972-12-06 | 1973-12-03 | Method and apparatus for stretching a thermo-softening high molecular film |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1019515A (en) |
FR (1) | FR2209655B1 (en) |
GB (1) | GB1453604A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8424062D0 (en) * | 1984-09-24 | 1984-10-31 | Mackley M R | Oriented polymer films |
CN102241142A (en) * | 2011-05-16 | 2011-11-16 | 中材科技股份有限公司 | Method for producing lithium battery diaphragm and transverse stretcher |
-
1973
- 1973-12-03 CA CA187,211A patent/CA1019515A/en not_active Expired
- 1973-12-04 GB GB5615073A patent/GB1453604A/en not_active Expired
- 1973-12-05 FR FR7343420A patent/FR2209655B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2360556B2 (en) | 1976-12-02 |
FR2209655A1 (en) | 1974-07-05 |
DE2360556A1 (en) | 1974-06-27 |
FR2209655B1 (en) | 1976-10-08 |
GB1453604A (en) | 1976-10-27 |
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