ES468095A1 - Procedimiento con su dispositivo de realizacion para la ex- trusion de perfiles estructurales plasticos semi-expandidos,macizos en caja o similares - Google Patents

Procedimiento con su dispositivo de realizacion para la ex- trusion de perfiles estructurales plasticos semi-expandidos,macizos en caja o similares

Info

Publication number
ES468095A1
ES468095A1 ES468095A ES468095A ES468095A1 ES 468095 A1 ES468095 A1 ES 468095A1 ES 468095 A ES468095 A ES 468095A ES 468095 A ES468095 A ES 468095A ES 468095 A1 ES468095 A1 ES 468095A1
Authority
ES
Spain
Prior art keywords
profiles
extrusion
expansion
dies
die
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
Application number
ES468095A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
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
Publication of ES468095A1 publication Critical patent/ES468095A1/es
Expired legal-status Critical Current

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

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
ES468095A 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 Expired ES468095A1 (es)

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
ES468095A1 true ES468095A1 (es) 1979-09-16

Family

ID=11183010

Family Applications (1)

Application Number Title Priority Date Filing Date
ES468095A Expired 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

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
FR2183814B1 (it) * 1972-05-05 1976-06-11 Wacker Chemie Gmbh
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
BE865193A (fr) 1978-09-22
FR2384611A1 (fr) 1978-10-20
FR2384611B1 (it) 1980-10-17
IT1074365B (it) 1985-04-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000201