AT308384B - Process for the production of objects from foamable plastic - Google Patents

Process for the production of objects from foamable plastic

Info

Publication number
AT308384B
AT308384B AT983968A AT983968A AT308384B AT 308384 B AT308384 B AT 308384B AT 983968 A AT983968 A AT 983968A AT 983968 A AT983968 A AT 983968A AT 308384 B AT308384 B AT 308384B
Authority
AT
Austria
Prior art keywords
objects
production
foamable plastic
foamable
plastic
Prior art date
Application number
AT983968A
Other languages
German (de)
Original Assignee
Saint Gobain
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 FR131156A external-priority patent/FR1555781A/fr
Application filed by Saint Gobain filed Critical Saint Gobain
Application granted granted Critical
Publication of AT308384B publication Critical patent/AT308384B/en

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
    • 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
    • B29C44/22—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/22—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/24—Making multilayered articles
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
AT983968A 1967-12-06 1968-10-08 Process for the production of objects from foamable plastic AT308384B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR131156A FR1555781A (en) 1967-12-06 1967-12-06
FR135998A FR93792E (en) 1967-12-06 1968-01-15 Process and devices for the molding of expandable thermoplastic materials.

Publications (1)

Publication Number Publication Date
AT308384B true AT308384B (en) 1973-07-10

Family

ID=26181419

Family Applications (1)

Application Number Title Priority Date Filing Date
AT983968A AT308384B (en) 1967-12-06 1968-10-08 Process for the production of objects from foamable plastic

Country Status (7)

Country Link
AT (1) AT308384B (en)
BE (1) BE725012A (en)
FI (1) FI51442C (en)
FR (1) FR93792E (en)
GB (1) GB1241306A (en)
NL (1) NL164505C (en)
SE (1) SE349773B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1738888A3 (en) * 2005-06-01 2007-11-21 Heikki Korpela Method and machine for forming a continuous web of a porous thermoplastic
DE102019124302A1 (en) * 2019-09-10 2021-03-11 Werkzeugbau Siegfried Hofmann Gmbh Device for processing a particle foam material to produce a particle foam molding

Also Published As

Publication number Publication date
NL6817332A (en) 1969-06-10
SE349773B (en) 1972-10-09
DE1809577B2 (en) 1975-11-27
GB1241306A (en) 1971-08-04
FI51442C (en) 1977-01-10
FR93792E (en) 1969-05-16
DE1809577A1 (en) 1969-10-16
BE725012A (en) 1969-06-05
FI51442B (en) 1976-09-30
NL164505B (en) 1980-08-15
NL164505C (en) 1981-01-15

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