FR2350946A1 - Procede pour preparer des feuilles extrudees en gaine en polystyrene mousse - Google Patents

Procede pour preparer des feuilles extrudees en gaine en polystyrene mousse

Info

Publication number
FR2350946A1
FR2350946A1 FR7712709A FR7712709A FR2350946A1 FR 2350946 A1 FR2350946 A1 FR 2350946A1 FR 7712709 A FR7712709 A FR 7712709A FR 7712709 A FR7712709 A FR 7712709A FR 2350946 A1 FR2350946 A1 FR 2350946A1
Authority
FR
France
Prior art keywords
polystyrene foam
extruded sheets
foam sheath
preparing extruded
preparing
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.)
Withdrawn
Application number
FR7712709A
Other languages
English (en)
French (fr)
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.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of FR2350946A1 publication Critical patent/FR2350946A1/fr
Withdrawn legal-status Critical Current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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • 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
FR7712709A 1976-05-10 1977-04-27 Procede pour preparer des feuilles extrudees en gaine en polystyrene mousse Withdrawn FR2350946A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2620552 1976-05-10

Publications (1)

Publication Number Publication Date
FR2350946A1 true FR2350946A1 (fr) 1977-12-09

Family

ID=5977512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712709A Withdrawn FR2350946A1 (fr) 1976-05-10 1977-04-27 Procede pour preparer des feuilles extrudees en gaine en polystyrene mousse

Country Status (7)

Country Link
JP (1) JPS52136271A (enrdf_load_stackoverflow)
BR (1) BR7702999A (enrdf_load_stackoverflow)
ES (1) ES458622A1 (enrdf_load_stackoverflow)
FI (1) FI771008A7 (enrdf_load_stackoverflow)
FR (1) FR2350946A1 (enrdf_load_stackoverflow)
IT (1) IT1075532B (enrdf_load_stackoverflow)
SE (1) SE7705381L (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0517224Y2 (enrdf_load_stackoverflow) * 1986-12-27 1993-05-10

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1433396A (fr) * 1964-11-12 1966-04-01 Koppers Co Inc Perfectionnements aux procédés d'extrusion et aux machines à extruder
US3368008A (en) * 1964-01-09 1968-02-06 Azuma Kimikazu Method for producing foamable thermoplastic resin composition
FR1595015A (enrdf_load_stackoverflow) * 1968-03-27 1970-06-08
FR1600010A (enrdf_load_stackoverflow) * 1968-03-23 1970-07-20
GB1230992A (enrdf_load_stackoverflow) * 1967-08-04 1971-05-05
FR2111694A1 (enrdf_load_stackoverflow) * 1970-10-19 1972-06-09 Ici Ltd

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368008A (en) * 1964-01-09 1968-02-06 Azuma Kimikazu Method for producing foamable thermoplastic resin composition
FR1433396A (fr) * 1964-11-12 1966-04-01 Koppers Co Inc Perfectionnements aux procédés d'extrusion et aux machines à extruder
GB1230992A (enrdf_load_stackoverflow) * 1967-08-04 1971-05-05
FR1600010A (enrdf_load_stackoverflow) * 1968-03-23 1970-07-20
FR1595015A (enrdf_load_stackoverflow) * 1968-03-27 1970-06-08
FR2111694A1 (enrdf_load_stackoverflow) * 1970-10-19 1972-06-09 Ici Ltd

Also Published As

Publication number Publication date
JPS52136271A (en) 1977-11-14
ES458622A1 (es) 1978-02-01
IT1075532B (it) 1985-04-22
SE7705381L (sv) 1977-11-11
FI771008A7 (enrdf_load_stackoverflow) 1977-11-11
BR7702999A (pt) 1978-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse