FR2433408B1 - PROCESS FOR PRODUCING FOAMED CORE OBJECTS AND NON-CELLULAR SKIN - Google Patents

PROCESS FOR PRODUCING FOAMED CORE OBJECTS AND NON-CELLULAR SKIN

Info

Publication number
FR2433408B1
FR2433408B1 FR797920336A FR7920336A FR2433408B1 FR 2433408 B1 FR2433408 B1 FR 2433408B1 FR 797920336 A FR797920336 A FR 797920336A FR 7920336 A FR7920336 A FR 7920336A FR 2433408 B1 FR2433408 B1 FR 2433408B1
Authority
FR
France
Prior art keywords
foamed core
producing foamed
core objects
cellular skin
cellular
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 - Lifetime
Application number
FR797920336A
Other languages
French (fr)
Other versions
FR2433408A1 (en
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.)
Tri-Seal International Inc
Original Assignee
Tri-Seal International Inc
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 US05/933,307 external-priority patent/US4206165A/en
Application filed by Tri-Seal International Inc filed Critical Tri-Seal International Inc
Publication of FR2433408A1 publication Critical patent/FR2433408A1/en
Application granted granted Critical
Publication of FR2433408B1 publication Critical patent/FR2433408B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C44/22—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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
FR797920336A 1978-08-14 1979-08-08 PROCESS FOR PRODUCING FOAMED CORE OBJECTS AND NON-CELLULAR SKIN Expired - Lifetime FR2433408B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/933,307 US4206165A (en) 1976-03-26 1978-08-14 Method of co-extrusion with foam core

Publications (2)

Publication Number Publication Date
FR2433408A1 FR2433408A1 (en) 1980-03-14
FR2433408B1 true FR2433408B1 (en) 1991-09-20

Family

ID=25463715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797920336A Expired - Lifetime FR2433408B1 (en) 1978-08-14 1979-08-08 PROCESS FOR PRODUCING FOAMED CORE OBJECTS AND NON-CELLULAR SKIN

Country Status (4)

Country Link
DE (1) DE2924472C2 (en)
FI (1) FI69003C (en)
FR (1) FR2433408B1 (en)
GB (1) GB2030919B (en)

Families Citing this family (5)

* 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
US4514812A (en) * 1982-09-27 1985-04-30 Owens-Illinois, Inc. Method and apparatus for controlling the thickness of a lamina of a coextruded laminate
DE10150804A1 (en) 2001-10-15 2003-04-24 Trw Automotive Safety Sys Gmbh Method of manufacturing a vehicle steering wheel
BE1019507A5 (en) * 2010-09-17 2012-08-07 Tech Bureel Panigo Nv PRODUCTION OF LAYERED STYRENE POLYMERIZED PLATES.
EP2431148A1 (en) * 2010-09-17 2012-03-21 Technisch Bureel Panigo N.V. Production of laminated styrene-polymerised sheets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154264B (en) * 1956-11-20 1963-09-12 Reifenhaeuser Kg Device for the continuous extrusion of molded bodies with a foam core and a shell made of thermoplastic material
DE2118318A1 (en) * 1970-04-24 1971-11-04 Mitsubishi Rayon Co. Ltd.; Shin-Kobe Electric Machinery Co. Ltd.; Tokio Synthetic resin structures, in particular structural elements, and processes for their production

Also Published As

Publication number Publication date
DE2924472C2 (en) 1982-12-30
GB2030919A (en) 1980-04-16
FI792489A (en) 1980-02-15
FI69003C (en) 1985-12-10
GB2030919B (en) 1982-12-15
FI69003B (en) 1985-08-30
DE2924472A1 (en) 1980-02-28
FR2433408A1 (en) 1980-03-14

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