FR2570326B3 - PROCESS FOR THE MANUFACTURE OF BLOCKS OF EXPANDED POLYSTYRENE AND MOLD FOR ITS APPLICATION - Google Patents

PROCESS FOR THE MANUFACTURE OF BLOCKS OF EXPANDED POLYSTYRENE AND MOLD FOR ITS APPLICATION

Info

Publication number
FR2570326B3
FR2570326B3 FR8414156A FR8414156A FR2570326B3 FR 2570326 B3 FR2570326 B3 FR 2570326B3 FR 8414156 A FR8414156 A FR 8414156A FR 8414156 A FR8414156 A FR 8414156A FR 2570326 B3 FR2570326 B3 FR 2570326B3
Authority
FR
France
Prior art keywords
mold
blocks
manufacture
application
expanded polystyrene
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
FR8414156A
Other languages
French (fr)
Other versions
FR2570326A1 (en
Inventor
Otto Bittmann
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.)
WIESER MASCHINENBAU GmbH
Original Assignee
WIESER MASCHINENBAU GmbH
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
Application filed by WIESER MASCHINENBAU GmbH filed Critical WIESER MASCHINENBAU GmbH
Priority to FR8414156A priority Critical patent/FR2570326B3/en
Publication of FR2570326A1 publication Critical patent/FR2570326A1/en
Application granted granted Critical
Publication of FR2570326B3 publication Critical patent/FR2570326B3/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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
FR8414156A 1984-09-14 1984-09-14 PROCESS FOR THE MANUFACTURE OF BLOCKS OF EXPANDED POLYSTYRENE AND MOLD FOR ITS APPLICATION Expired FR2570326B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8414156A FR2570326B3 (en) 1984-09-14 1984-09-14 PROCESS FOR THE MANUFACTURE OF BLOCKS OF EXPANDED POLYSTYRENE AND MOLD FOR ITS APPLICATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8414156A FR2570326B3 (en) 1984-09-14 1984-09-14 PROCESS FOR THE MANUFACTURE OF BLOCKS OF EXPANDED POLYSTYRENE AND MOLD FOR ITS APPLICATION

Publications (2)

Publication Number Publication Date
FR2570326A1 FR2570326A1 (en) 1986-03-21
FR2570326B3 true FR2570326B3 (en) 1987-01-16

Family

ID=9307742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8414156A Expired FR2570326B3 (en) 1984-09-14 1984-09-14 PROCESS FOR THE MANUFACTURE OF BLOCKS OF EXPANDED POLYSTYRENE AND MOLD FOR ITS APPLICATION

Country Status (1)

Country Link
FR (1) FR2570326B3 (en)

Also Published As

Publication number Publication date
FR2570326A1 (en) 1986-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse