FR1274755A - Process for shaping materials to be shaped or foamed in molds - Google Patents

Process for shaping materials to be shaped or foamed in molds

Info

Publication number
FR1274755A
FR1274755A FR841422A FR841422A FR1274755A FR 1274755 A FR1274755 A FR 1274755A FR 841422 A FR841422 A FR 841422A FR 841422 A FR841422 A FR 841422A FR 1274755 A FR1274755 A FR 1274755A
Authority
FR
France
Prior art keywords
foamed
molds
shaped
shaping materials
shaping
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
FR841422A
Other languages
French (fr)
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.)
WANNER AG
Original Assignee
WANNER AG
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 WANNER AG filed Critical WANNER AG
Priority to FR841422A priority Critical patent/FR1274755A/en
Application granted granted Critical
Publication of FR1274755A publication Critical patent/FR1274755A/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3814—Porous moulds
    • 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
FR841422A 1960-10-17 1960-10-17 Process for shaping materials to be shaped or foamed in molds Expired FR1274755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841422A FR1274755A (en) 1960-10-17 1960-10-17 Process for shaping materials to be shaped or foamed in molds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841422A FR1274755A (en) 1960-10-17 1960-10-17 Process for shaping materials to be shaped or foamed in molds

Publications (1)

Publication Number Publication Date
FR1274755A true FR1274755A (en) 1961-10-27

Family

ID=8740951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841422A Expired FR1274755A (en) 1960-10-17 1960-10-17 Process for shaping materials to be shaped or foamed in molds

Country Status (1)

Country Link
FR (1) FR1274755A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447803A1 (en) * 1979-01-30 1980-08-29 Teubert Joachim PROCESS FOR PRODUCING MOLDED PARTS MADE OF PLASTIC MATERIAL TRANSFORMED INTO FOAM, SUCH AS FOR EXAMPLE POLYSTYRENE CONVERTED INTO FOAM
FR2618720A1 (en) * 1987-07-29 1989-02-03 Peugeot Mould for making polystyrene components, especially models for the lost-foam moulding method
EP0434024A2 (en) * 1989-12-21 1991-06-26 Jsp Corporation Molding apparatus and its use for a production process of expansion-molded articles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447803A1 (en) * 1979-01-30 1980-08-29 Teubert Joachim PROCESS FOR PRODUCING MOLDED PARTS MADE OF PLASTIC MATERIAL TRANSFORMED INTO FOAM, SUCH AS FOR EXAMPLE POLYSTYRENE CONVERTED INTO FOAM
FR2618720A1 (en) * 1987-07-29 1989-02-03 Peugeot Mould for making polystyrene components, especially models for the lost-foam moulding method
EP0434024A2 (en) * 1989-12-21 1991-06-26 Jsp Corporation Molding apparatus and its use for a production process of expansion-molded articles
EP0434024A3 (en) * 1989-12-21 1991-10-09 Jsp Corporation Production process of expansion-molded article

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