DE1504481C3 - Verfahren und Vorrichtung zur Herstellung biaxial verstreckter Flachfolien aus thermoplastischem Kunststoff - Google Patents
Verfahren und Vorrichtung zur Herstellung biaxial verstreckter Flachfolien aus thermoplastischem KunststoffInfo
- Publication number
- DE1504481C3 DE1504481C3 DE19651504481 DE1504481A DE1504481C3 DE 1504481 C3 DE1504481 C3 DE 1504481C3 DE 19651504481 DE19651504481 DE 19651504481 DE 1504481 A DE1504481 A DE 1504481A DE 1504481 C3 DE1504481 C3 DE 1504481C3
- Authority
- DE
- Germany
- Prior art keywords
- edges
- hose
- stretching
- spreading system
- flat
- 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
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
- B29C55/285—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation by using internal mechanical means
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/10—Bending or folding of blown tubular films, e.g. gusseting
-
- 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
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
- B29C55/24—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes radial
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK0056151 | 1965-05-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1504481A1 DE1504481A1 (de) | 1969-10-09 |
DE1504481B2 DE1504481B2 (de) | 1975-05-15 |
DE1504481C3 true DE1504481C3 (de) | 1975-12-18 |
Family
ID=7227731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19651504481 Expired DE1504481C3 (de) | 1965-05-19 | 1965-05-19 | Verfahren und Vorrichtung zur Herstellung biaxial verstreckter Flachfolien aus thermoplastischem Kunststoff |
Country Status (5)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219024A (ja) * | 1982-06-15 | 1983-12-20 | Polymer Processing Res Inst | 膜・繊維材の延伸方法並びに装置 |
US4711751A (en) * | 1985-01-11 | 1987-12-08 | Thermo Plastic Research Co., Ltd. | Process and apparatus for stretching tubular extruded plastic material |
DE8813001U1 (de) * | 1988-10-15 | 1988-12-01 | Horn, Heinz, Dr.-Ing.e.h., 5000 Köln | Reckvorrichtung |
GB8827967D0 (en) * | 1988-11-30 | 1989-01-05 | Ward I M | Die-free drawing |
CN114228123B (zh) * | 2022-02-24 | 2022-06-14 | 佛山市盟思拉伸机械有限公司 | 纵横拉伸率趋于一致的薄膜拉伸装置 |
CN114228121B (zh) * | 2022-02-24 | 2022-05-13 | 佛山市盟思拉伸机械有限公司 | 提高薄膜在拉伸起始段同步性的拉伸装置 |
CN117799151B (zh) * | 2024-02-29 | 2024-06-11 | 成都航天明江科技实业有限公司 | 一种保护膜生产设备及方法 |
-
1965
- 1965-05-19 DE DE19651504481 patent/DE1504481C3/de not_active Expired
-
1966
- 1966-05-16 BE BE681131D patent/BE681131A/xx unknown
- 1966-05-18 LU LU51142D patent/LU51142A1/xx unknown
- 1966-05-18 NL NL6606852A patent/NL6606852A/xx unknown
- 1966-05-19 GB GB2236066A patent/GB1113136A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE681131A (US06589383-20030708-C00041.png) | 1966-11-16 |
DE1504481B2 (de) | 1975-05-15 |
NL6606852A (US06589383-20030708-C00041.png) | 1966-11-21 |
LU51142A1 (US06589383-20030708-C00041.png) | 1968-02-21 |
GB1113136A (en) | 1968-05-08 |
DE1504481A1 (de) | 1969-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
EHJ | Ceased/non-payment of the annual fee |