FR1398447A - Procédé pour la fabrication de feuilles rétractibles - Google Patents
Procédé pour la fabrication de feuilles rétractiblesInfo
- Publication number
- FR1398447A FR1398447A FR977916A FR977916A FR1398447A FR 1398447 A FR1398447 A FR 1398447A FR 977916 A FR977916 A FR 977916A FR 977916 A FR977916 A FR 977916A FR 1398447 A FR1398447 A FR 1398447A
- Authority
- FR
- France
- Prior art keywords
- production
- retractable
- sheets
- retractable sheets
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/36—Bending and joining, e.g. for making hollow articles
- B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
- B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
-
- 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
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/10—Making preforms having internal stresses, e.g. plastic memory by bending plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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 |
---|---|---|---|
DEB72260A DE1205263B (de) | 1963-06-12 | 1963-06-12 | Verfahren zur Herstellung von schrumpfungsfaehigen Folien aus radikalisch vernetzbaren Kunststoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1398447A true FR1398447A (fr) | 1965-05-07 |
Family
ID=6977371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR977916A Expired FR1398447A (fr) | 1963-06-12 | 1964-06-11 | Procédé pour la fabrication de feuilles rétractibles |
Country Status (5)
Country | Link |
---|---|
US (1) | US3306963A (fr) |
BE (1) | BE649174A (fr) |
DE (1) | DE1205263B (fr) |
FR (1) | FR1398447A (fr) |
GB (1) | GB1060088A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3446691A (en) * | 1965-10-21 | 1969-05-27 | Tee Pak Of Canada Ltd | Apparatus for forming,heat sealing,and introducing anti-blocking powder into plastic tubes |
US3960997A (en) * | 1971-08-31 | 1976-06-01 | Horsens Plastic A/S | Method of manufacturing biaxially stretched shrink foils and an apparatus for carrying the method into effect |
CH656346A5 (de) * | 1981-03-13 | 1986-06-30 | Tetra Pak Dev | Verfahren zur molekularen orientierung von kunststoffmaterial. |
EP0113498A1 (fr) * | 1982-09-30 | 1984-07-18 | Radiation Dynamics Inc. | Procédé de fabrication de tubes thermorétractables |
CN117698093B (zh) * | 2024-02-06 | 2024-05-03 | 洛阳兴瑞新型膜材料有限公司 | 一种膜胚冷却成型工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2307817A (en) * | 1940-09-26 | 1943-01-12 | Du Pont | Polymeric product and process |
BE548151A (fr) * | 1955-06-03 | 1900-01-01 | ||
US2971222A (en) * | 1958-05-28 | 1961-02-14 | Celanese Corp | Extrusion of uniform film of high density polymethylene |
NL288109A (fr) * | 1962-01-31 | 1900-01-01 |
-
1963
- 1963-06-12 DE DEB72260A patent/DE1205263B/de active Pending
-
1964
- 1964-06-08 US US373208A patent/US3306963A/en not_active Expired - Lifetime
- 1964-06-09 GB GB23807/64A patent/GB1060088A/en not_active Expired
- 1964-06-11 BE BE649174D patent/BE649174A/xx unknown
- 1964-06-11 FR FR977916A patent/FR1398447A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1205263B (de) | 1965-11-18 |
US3306963A (en) | 1967-02-28 |
GB1060088A (en) | 1967-02-22 |
BE649174A (fr) | 1964-12-11 |
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