CA980522A - Method of and an apparatus for extruding a foamed sheet of thermoplastic resin - Google Patents

Method of and an apparatus for extruding a foamed sheet of thermoplastic resin

Info

Publication number
CA980522A
CA980522A CA108,089A CA108089A CA980522A CA 980522 A CA980522 A CA 980522A CA 108089 A CA108089 A CA 108089A CA 980522 A CA980522 A CA 980522A
Authority
CA
Canada
Prior art keywords
extruding
thermoplastic resin
foamed sheet
foamed
sheet
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
CA108,089A
Other versions
CA108089S (en
Inventor
Akio Yasuike
Tsutomu Odagiri
Hisao Miyahara
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.)
Asahi Dow Ltd
Original Assignee
Asahi Dow Ltd
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
Priority claimed from JP45075953A external-priority patent/JPS496538B1/ja
Application filed by Asahi Dow Ltd filed Critical Asahi Dow Ltd
Application granted granted Critical
Publication of CA980522A publication Critical patent/CA980522A/en
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
    • B29C44/505—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 a flat 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
    • B29L2007/00—Flat articles, e.g. films or sheets
CA108,089A 1970-04-03 1971-03-18 Method of and an apparatus for extruding a foamed sheet of thermoplastic resin Expired CA980522A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2787270 1970-04-03
JP3403970 1970-04-10
JP45075953A JPS496538B1 (en) 1970-09-01 1970-09-01

Publications (1)

Publication Number Publication Date
CA980522A true CA980522A (en) 1975-12-30

Family

ID=27285982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108,089A Expired CA980522A (en) 1970-04-03 1971-03-18 Method of and an apparatus for extruding a foamed sheet of thermoplastic resin

Country Status (3)

Country Link
CA (1) CA980522A (en)
DE (1) DE2116239B2 (en)
FR (1) FR2092000A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1140977B (en) * 1980-05-23 1986-10-10 Smae Soc Meridionale Accessori CONTINUOUS PROCEDURE FOR MANUFACTURING BIMESCOLA PROFILES AND BIMESCOLA PROFILES SO OBTAINED
JPH04126733A (en) * 1990-09-17 1992-04-27 Furukawa Electric Co Ltd:The Production of crosslinked and expanded material
DE102013103758B4 (en) * 2013-04-15 2017-03-02 Veka Ag Process for producing a thermoplastic foam board and air cooling device

Also Published As

Publication number Publication date
FR2092000B1 (en) 1974-03-22
DE2116239B2 (en) 1977-07-07
DE2116239A1 (en) 1971-11-04
FR2092000A1 (en) 1972-01-21

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