FR2231505B1 - - Google Patents

Info

Publication number
FR2231505B1
FR2231505B1 FR7336234A FR7336234A FR2231505B1 FR 2231505 B1 FR2231505 B1 FR 2231505B1 FR 7336234 A FR7336234 A FR 7336234A FR 7336234 A FR7336234 A FR 7336234A FR 2231505 B1 FR2231505 B1 FR 2231505B1
Authority
FR
France
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
FR7336234A
Other languages
French (fr)
Other versions
FR2231505A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2231505A1 publication Critical patent/FR2231505A1/en
Application granted granted Critical
Publication of FR2231505B1 publication Critical patent/FR2231505B1/fr
Granted 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
FR7336234A 1973-05-29 1973-10-10 Expanded polystyrene moulding using steam heat - then evacuation during setting time to improve temp control and cycle time Granted FR2231505A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2327268A DE2327268A1 (en) 1973-05-29 1973-05-29 METHOD AND DEVICE FOR MANUFACTURING SHAPED BODIES FROM EXPANDABLE POLYSTYRENE FOAM

Publications (2)

Publication Number Publication Date
FR2231505A1 FR2231505A1 (en) 1974-12-27
FR2231505B1 true FR2231505B1 (en) 1976-06-18

Family

ID=5882427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336234A Granted FR2231505A1 (en) 1973-05-29 1973-10-10 Expanded polystyrene moulding using steam heat - then evacuation during setting time to improve temp control and cycle time

Country Status (3)

Country Link
CH (1) CH556233A (en)
DE (1) DE2327268A1 (en)
FR (1) FR2231505A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379367A1 (en) * 1977-02-04 1978-09-01 Seia Sarl Heating thermosetting materials using live steam in the mould cavity - to reduce heat transfer cycles and eliminate mould tool cooling
DE3151775A1 (en) * 1981-12-29 1983-09-29 Flewu AG, 9000 St. Gallen METHOD AND DEVICE FOR PRODUCING ESSENTIALLY DRY MOLDINGS FROM FOAMED THERMOPLASTIC PLASTIC, e.g. POLYSTROL
DE3337608A1 (en) * 1983-03-31 1984-10-11 WIESER Maschinenbau GmbH, Altaussee Process for producing blocks of expandable polystyrene
CA2036009A1 (en) * 1990-04-02 1991-10-03 Russell J. Vanrens Apparatus for molding lost foam pattern sections
JP3698932B2 (en) * 1999-10-12 2005-09-21 難波プレス工業株式会社 Filling body
DE102008016883A1 (en) * 2008-01-12 2009-07-16 Behl Asia Ltd. A method for producing a shaped body of foamed plastic and device for carrying out the method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278658A (en) * 1963-12-05 1966-10-11 Koppers Co Inc Process and apparatus for making shaped cellular articles from expandable thermoplastic resins

Also Published As

Publication number Publication date
DE2327268A1 (en) 1975-01-02
CH556233A (en) 1974-11-29
FR2231505A1 (en) 1974-12-27

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Legal Events

Date Code Title Description
ST Notification of lapse