IT1074365B - Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura - Google Patents
Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiaturaInfo
- Publication number
- IT1074365B IT1074365B IT21519/77A IT2151977A IT1074365B IT 1074365 B IT1074365 B IT 1074365B IT 21519/77 A IT21519/77 A IT 21519/77A IT 2151977 A IT2151977 A IT 2151977A IT 1074365 B IT1074365 B IT 1074365B
- Authority
- IT
- Italy
- Prior art keywords
- semi
- related equipment
- plastic profiles
- expanded plastic
- extrusion procedure
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21519/77A IT1074365B (it) | 1977-03-22 | 1977-03-22 | Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura |
FR7807622A FR2384611A1 (fr) | 1977-03-22 | 1978-03-16 | Procede d'extrusion de profiles en matiere plastique semi-expansee et appareil pour la mise en oeuvre de ce procede |
ES468095A ES468095A1 (es) | 1977-03-22 | 1978-03-21 | Procedimiento con su dispositivo de realizacion para la ex- trusion de perfiles estructurales plasticos semi-expandidos,macizos en caja o similares |
BE186184A BE865193A (fr) | 1977-03-22 | 1978-03-22 | Procede d'extrusion de profiles en matiere plastique semi-expansee et appareil pour la mise en oeuvre de ce procede |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21519/77A IT1074365B (it) | 1977-03-22 | 1977-03-22 | Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1074365B true IT1074365B (it) | 1985-04-20 |
Family
ID=11183010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21519/77A IT1074365B (it) | 1977-03-22 | 1977-03-22 | Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE865193A (it) |
ES (1) | ES468095A1 (it) |
FR (1) | FR2384611A1 (it) |
IT (1) | IT1074365B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0725123B2 (ja) * | 1986-08-04 | 1995-03-22 | ダウ化工株式会社 | スチレン系樹脂発泡体の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413388A (en) * | 1965-05-24 | 1968-11-26 | Haveg Industries Inc | Rectangular extrusion |
FR1498620A (fr) * | 1966-09-07 | 1967-10-20 | Kuhlmann Ets | Procédé et dispositif pour l'extrusion de matières plastiques expansibles |
BE757510R (fr) * | 1969-10-22 | 1971-04-14 | Ugine Kuhlmann | Procede et dispositif pour l'extrusion de matieres plastiques expansibles |
DE1963811A1 (de) * | 1969-12-19 | 1971-06-24 | Kunstatofferk Gebr Anger Gmbh | Verfahren und Vorrichtung zur Herstellung von Koerpern aus thermoplastischem Integralschaum |
US3890416A (en) * | 1972-05-05 | 1975-06-17 | Wacker Chemie Gmbh | Method for producing a cavity or a zone of very low density in the interior of extruded profiles of foamable thermoplastics |
DE2500534A1 (de) * | 1975-01-08 | 1976-07-15 | Spiess C F & Sohn | Verfahren und vorrichtung zum herstellen von verschluss-stopfen, insbesondere fuer flaschen o.dgl. |
-
1977
- 1977-03-22 IT IT21519/77A patent/IT1074365B/it active
-
1978
- 1978-03-16 FR FR7807622A patent/FR2384611A1/fr active Granted
- 1978-03-21 ES ES468095A patent/ES468095A1/es not_active Expired
- 1978-03-22 BE BE186184A patent/BE865193A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2384611B1 (it) | 1980-10-17 |
FR2384611A1 (fr) | 1978-10-20 |
ES468095A1 (es) | 1979-09-16 |
BE865193A (fr) | 1978-09-22 |
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