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IT988412B - PROCEDURE AND DEVICE FOR MANUFACTURING PROFILES IN LIGHTENED THERMOPLASTIC MATERIALS - Google Patents

PROCEDURE AND DEVICE FOR MANUFACTURING PROFILES IN LIGHTENED THERMOPLASTIC MATERIALS

Info

Publication number
IT988412B
IT988412B IT4294871A IT4294871A IT988412B IT 988412 B IT988412 B IT 988412B IT 4294871 A IT4294871 A IT 4294871A IT 4294871 A IT4294871 A IT 4294871A IT 988412 B IT988412 B IT 988412B
Authority
IT
Italy
Prior art keywords
procedure
thermoplastic materials
manufacturing profiles
lightened thermoplastic
lightened
Prior art date
Application number
IT4294871A
Other languages
Italian (it)
Inventor
J Fau
Original Assignee
Aquitaine Organico Soc
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 FR7026214A external-priority patent/FR2097634A5/en
Priority claimed from FR7117719A external-priority patent/FR2137215A2/en
Application filed by Aquitaine Organico Soc filed Critical Aquitaine Organico Soc
Application granted granted Critical
Publication of IT988412B publication Critical patent/IT988412B/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
    • B29C44/34—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
    • B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the foaming
IT4294871A 1970-07-16 1971-07-16 PROCEDURE AND DEVICE FOR MANUFACTURING PROFILES IN LIGHTENED THERMOPLASTIC MATERIALS IT988412B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7026214A FR2097634A5 (en) 1970-07-16 1970-07-16 Plastic profiles - with expanded core and solid skin produced from a single extruder
FR7117719A FR2137215A2 (en) 1971-05-17 1971-05-17 Plastic profiles - with expanded core and solid skin produced from a single extruder

Publications (1)

Publication Number Publication Date
IT988412B true IT988412B (en) 1975-04-10

Family

ID=26215848

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4294871A IT988412B (en) 1970-07-16 1971-07-16 PROCEDURE AND DEVICE FOR MANUFACTURING PROFILES IN LIGHTENED THERMOPLASTIC MATERIALS

Country Status (4)

Country Link
BE (1) BE770040A (en)
DE (1) DE2135725A1 (en)
IT (1) IT988412B (en)
LU (1) LU63547A1 (en)

Also Published As

Publication number Publication date
DE2135725A1 (en) 1972-01-20
BE770040A (en) 1971-11-16
LU63547A1 (en) 1971-11-16

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