ZA9610534B - Process for longitudinal stretching in the production of oriented polypropylene films - Google Patents
Process for longitudinal stretching in the production of oriented polypropylene filmsInfo
- Publication number
- ZA9610534B ZA9610534B ZA9610534A ZA9610534A ZA9610534B ZA 9610534 B ZA9610534 B ZA 9610534B ZA 9610534 A ZA9610534 A ZA 9610534A ZA 9610534 A ZA9610534 A ZA 9610534A ZA 9610534 B ZA9610534 B ZA 9610534B
- Authority
- ZA
- South Africa
- Prior art keywords
- production
- longitudinal stretching
- oriented polypropylene
- polypropylene films
- films
- Prior art date
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
- B29C55/04—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995146671 DE19546671A1 (en) | 1995-12-15 | 1995-12-15 | Process for longitudinal stretching in the production of oriented polypropylene films |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA9610534B true ZA9610534B (en) | 1997-06-17 |
Family
ID=7780106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9610534A ZA9610534B (en) | 1995-12-15 | 1996-12-13 | Process for longitudinal stretching in the production of oriented polypropylene films |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0779144A3 (en) |
AU (1) | AU720595B2 (en) |
CA (1) | CA2192917A1 (en) |
DE (1) | DE19546671A1 (en) |
ZA (1) | ZA9610534B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019124865A1 (en) * | 2019-09-16 | 2021-03-18 | Brückner Maschinenbau GmbH & Co. KG | Pressure roller arrangement, in particular for a longitudinal stretching system and associated stretching system and method for operating such a pressure roller arrangement |
CN114536726B (en) * | 2022-02-24 | 2023-11-07 | 宁波长阳科技股份有限公司 | Film longitudinal stretching device and film longitudinal stretching method |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US323029A (en) * | 1885-07-28 | William m | ||
GB890005A (en) * | 1959-06-23 | 1962-02-21 | Du Pont | Improvements in or relating to the stretching of organic polymer film |
DE1221786B (en) | 1961-12-07 | 1966-07-28 | Brueckner Trocknerbau Inh Gern | Device for stretching a sheet of thermoplastic material in the longitudinal direction |
DE1212290B (en) | 1963-10-15 | 1966-03-10 | Brueckner Trocknerbau | Device for stretching a stretchable material web |
DE1919299B2 (en) | 1969-04-16 | 1977-02-24 | Brückner-Maschinenbau Gernot Brückner, 8221 Siegsdorf | PROCESS FOR LONGITUDINAL STRETCHING A PLASTIC FILM |
US3619460A (en) * | 1969-04-28 | 1971-11-09 | Chevron Res | Process for uniaxially orienting polypropylene films |
US3786127A (en) * | 1969-07-23 | 1974-01-15 | Du Pont | Stretching polyethylene terephthalate film in a shortened span |
CA939479A (en) * | 1969-07-23 | 1974-01-08 | Robert G. Peet | Method of and apparatus for stretching polymeric film |
DE1957578A1 (en) * | 1969-11-15 | 1971-05-19 | Dornier Gmbh Lindauer | Longitudinal stretching of plastics |
US3734994A (en) * | 1971-02-09 | 1973-05-22 | Du Pont | Two-stage uniaxial orientation of polyethylene terephthalate films |
GB1419972A (en) * | 1972-11-23 | 1975-12-31 | Mccall J D | Method and apparatus for stretching plastic material |
DE2833189C2 (en) | 1978-07-28 | 1984-09-20 | Brückner - Maschinenbau Gernot Brückner GmbH & Co KG, 8221 Siegsdorf | Method for longitudinally stretching an at least two-layer thermoplastic plastic film and device for carrying out the method |
CA1171225A (en) * | 1982-02-23 | 1984-07-24 | Brian L. Hetherington | Machine direction orientation of nylon film |
-
1995
- 1995-12-15 DE DE1995146671 patent/DE19546671A1/en not_active Withdrawn
-
1996
- 1996-12-03 EP EP96119326A patent/EP0779144A3/en not_active Withdrawn
- 1996-12-10 AU AU74272/96A patent/AU720595B2/en not_active Ceased
- 1996-12-13 ZA ZA9610534A patent/ZA9610534B/en unknown
- 1996-12-13 CA CA 2192917 patent/CA2192917A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
MX9606449A (en) | 1997-10-31 |
AU720595B2 (en) | 2000-06-08 |
EP0779144A2 (en) | 1997-06-18 |
DE19546671A1 (en) | 1997-06-19 |
AU7427296A (en) | 1997-06-26 |
EP0779144A3 (en) | 1998-01-07 |
CA2192917A1 (en) | 1997-06-16 |
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