IT1074365B - Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura - Google Patents

Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura

Info

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
Application number
IT21519/77A
Other languages
English (en)
Inventor
Erminio Del Monte
Vincenzo Cocca
Marco Bestetti
Original Assignee
Montedison Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Montedison Spa filed Critical Montedison Spa
Priority to IT21519/77A priority Critical patent/IT1074365B/it
Priority to FR7807622A priority patent/FR2384611A1/fr
Priority to ES468095A priority patent/ES468095A1/es
Priority to BE186184A priority patent/BE865193A/xx
Application granted granted Critical
Publication of IT1074365B publication Critical patent/IT1074365B/it

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
IT21519/77A 1977-03-22 1977-03-22 Procedimento di estruszione di profilati plastici semiespansi e relativa apparecchiatura IT1074365B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

Also Published As

Publication number Publication date
FR2384611B1 (it) 1980-10-17
BE865193A (fr) 1978-09-22
ES468095A1 (es) 1979-09-16
FR2384611A1 (fr) 1978-10-20

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