CA909462A - Method and apparatus for the production of shaped articles of expanded cohered granules of thermoplastic material, in particular, polystyrene - Google Patents

Method and apparatus for the production of shaped articles of expanded cohered granules of thermoplastic material, in particular, polystyrene

Info

Publication number
CA909462A
CA909462A CA909462A CA909462DA CA909462A CA 909462 A CA909462 A CA 909462A CA 909462 A CA909462 A CA 909462A CA 909462D A CA909462D A CA 909462DA CA 909462 A CA909462 A CA 909462A
Authority
CA
Canada
Prior art keywords
cohered
granules
polystyrene
expanded
production
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
CA909462A
Inventor
Rivat-Lahousse Andre
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Publication date
Application granted granted Critical
Publication of CA909462A publication Critical patent/CA909462A/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/206—Using expandable particles or beads as starting material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • 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
CA909462A Method and apparatus for the production of shaped articles of expanded cohered granules of thermoplastic material, in particular, polystyrene Expired CA909462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA909462T

Publications (1)

Publication Number Publication Date
CA909462A true CA909462A (en) 1972-09-12

Family

ID=36417121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA909462A Expired CA909462A (en) Method and apparatus for the production of shaped articles of expanded cohered granules of thermoplastic material, in particular, polystyrene

Country Status (1)

Country Link
CA (1) CA909462A (en)

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