CA1123566A - Methode et dispositif d'etirage d'une pellicule tubulaire faite de matiere thermoplastique, et produit ainsi obtenu - Google Patents
Methode et dispositif d'etirage d'une pellicule tubulaire faite de matiere thermoplastique, et produit ainsi obtenuInfo
- Publication number
- CA1123566A CA1123566A CA295,599A CA295599A CA1123566A CA 1123566 A CA1123566 A CA 1123566A CA 295599 A CA295599 A CA 295599A CA 1123566 A CA1123566 A CA 1123566A
- Authority
- CA
- Canada
- Prior art keywords
- sheet
- rollers
- velocity
- stretching
- interdigitating
- 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
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012815 thermoplastic material Substances 0.000 title abstract description 14
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 3
- 230000000875 corresponding effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010038776 Retching Diseases 0.000 description 1
- 241001307279 Suteria ide Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 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
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/001—Tubular films, sleeves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Making Paper Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/766,926 US4144008A (en) | 1975-03-31 | 1977-02-09 | Apparatus for stretching a tubularly-formed sheet of thermoplastic material |
| US766,926 | 1977-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1123566A true CA1123566A (fr) | 1982-05-18 |
Family
ID=25077949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA295,599A Expired CA1123566A (fr) | 1977-02-09 | 1978-01-23 | Methode et dispositif d'etirage d'une pellicule tubulaire faite de matiere thermoplastique, et produit ainsi obtenu |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS53124579A (fr) |
| AU (1) | AU3276978A (fr) |
| BE (1) | BE863806A (fr) |
| BR (1) | BR7800746A (fr) |
| CA (1) | CA1123566A (fr) |
| DE (1) | DE2805440C2 (fr) |
| DK (1) | DK57278A (fr) |
| ES (1) | ES466802A1 (fr) |
| FI (1) | FI780340A (fr) |
| FR (1) | FR2380116A1 (fr) |
| GB (2) | GB1598738A (fr) |
| IT (1) | IT1092580B (fr) |
| LU (1) | LU79030A1 (fr) |
| NL (1) | NL7801529A (fr) |
| NO (1) | NO780430L (fr) |
| PT (1) | PT67610B (fr) |
| SE (1) | SE7801484L (fr) |
| ZA (1) | ZA78643B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587334A (ja) * | 1981-07-04 | 1983-01-17 | Sumitomo Electric Ind Ltd | 紐状多孔質体の製造方法 |
| GB8424062D0 (en) * | 1984-09-24 | 1984-10-31 | Mackley M R | Oriented polymer films |
| GB2362351B (en) * | 2000-03-18 | 2004-01-14 | Harris Parts Ltd | Extruded packaging material |
| AR038590A1 (es) * | 2002-02-22 | 2005-01-19 | Clopay Plastic Prod Co | Hoja laminada de pelicula y metodos para su fabricacion |
| US7932196B2 (en) | 2003-08-22 | 2011-04-26 | Kimberly-Clark Worldwide, Inc. | Microporous stretch thinned film/nonwoven laminates and limited use or disposable product applications |
| US7651653B2 (en) | 2004-12-22 | 2010-01-26 | Kimberly-Clark Worldwide, Inc. | Machine and cross-machine direction elastic materials and methods of making same |
| GB0721410D0 (en) * | 2007-10-31 | 2007-12-12 | Rasmussen O B | Method and apparatus for longitudinal orientation of thermoplastic film material |
| GB0907755D0 (en) * | 2009-05-06 | 2009-06-24 | Rasmussen O B | Method for longitudinal stretching a film in solid state and apparatus to carry out the method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2773285A (en) * | 1947-11-06 | 1956-12-11 | Continental Can Co | Method of making sterile containers |
| GB756476A (en) * | 1954-03-19 | 1956-09-05 | Ici Ltd | Improvements in the seaming of films |
| DE1504502B2 (de) * | 1962-03-17 | 1971-08-12 | Lindauer Dormer GmbH, 8990 Lin dau | Reckanlage zum biaxialen recken einer thermoplastischen kunststoffolienbahn |
| DE2037574A1 (en) * | 1970-07-29 | 1972-02-10 | Wolff Walsrode Ag | Drawn plastics film - by drawn flatterned film tube without bonding surfaces of the flattened film tube |
| GB1526722A (en) * | 1974-07-05 | 1978-09-27 | Rasmussen O | Method for producing a laminated high strength sheet |
| CA1082508A (fr) * | 1974-11-26 | 1980-07-29 | Charles R. Walitalo | Rouleau de sacs indechirables |
| CA1075870A (fr) * | 1975-03-31 | 1980-04-22 | Eckhard C.A. Schwarz | Methode et appareil d'etirage de non-tisses en polymere orientable |
| DE2641533A1 (de) * | 1975-09-17 | 1977-03-31 | Biax Fiberfilm Corp | Verfahren zum strecken eines thermoplastischen materials |
-
1978
- 1978-01-23 CA CA295,599A patent/CA1123566A/fr not_active Expired
- 1978-01-26 AU AU32769/78A patent/AU3276978A/en active Pending
- 1978-01-27 GB GB24172/80A patent/GB1598738A/en not_active Expired
- 1978-01-27 GB GB3293/78A patent/GB1598737A/en not_active Expired
- 1978-02-02 FI FI780340A patent/FI780340A/fi not_active Application Discontinuation
- 1978-02-02 ZA ZA00780643A patent/ZA78643B/xx unknown
- 1978-02-03 PT PT67610A patent/PT67610B/pt unknown
- 1978-02-03 BR BR7800746A patent/BR7800746A/pt unknown
- 1978-02-07 IT IT20062/78A patent/IT1092580B/it active
- 1978-02-07 FR FR7803316A patent/FR2380116A1/fr not_active Withdrawn
- 1978-02-08 LU LU79030A patent/LU79030A1/fr unknown
- 1978-02-08 ES ES466802A patent/ES466802A1/es not_active Expired
- 1978-02-08 DK DK57278A patent/DK57278A/da unknown
- 1978-02-08 NO NO780430A patent/NO780430L/no unknown
- 1978-02-08 SE SE7801484A patent/SE7801484L/xx unknown
- 1978-02-09 JP JP1305078A patent/JPS53124579A/ja active Pending
- 1978-02-09 NL NL7801529A patent/NL7801529A/xx not_active Application Discontinuation
- 1978-02-09 DE DE2805440A patent/DE2805440C2/de not_active Expired
- 1978-02-09 BE BE185036A patent/BE863806A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO780430L (no) | 1978-08-10 |
| AU3276978A (en) | 1979-08-02 |
| BR7800746A (pt) | 1978-09-12 |
| NL7801529A (nl) | 1978-08-11 |
| IT1092580B (it) | 1985-07-12 |
| ES466802A1 (es) | 1979-01-16 |
| SE7801484L (sv) | 1978-08-10 |
| DK57278A (da) | 1978-08-10 |
| ZA78643B (en) | 1978-12-27 |
| PT67610A (en) | 1978-03-01 |
| BE863806A (fr) | 1978-08-09 |
| FI780340A (fi) | 1978-08-10 |
| GB1598737A (en) | 1981-09-23 |
| DE2805440A1 (de) | 1978-08-10 |
| JPS53124579A (en) | 1978-10-31 |
| FR2380116A1 (fr) | 1978-09-08 |
| IT7820062A0 (it) | 1978-02-07 |
| DE2805440C2 (de) | 1981-09-17 |
| GB1598738A (en) | 1981-09-23 |
| LU79030A1 (fr) | 1978-09-28 |
| PT67610B (en) | 1979-07-16 |
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| CA1123566A (fr) | Methode et dispositif d'etirage d'une pellicule tubulaire faite de matiere thermoplastique, et produit ainsi obtenu | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19990518 |