FR1250282A - Process for the molding of polyether urethane foam objects - Google Patents

Process for the molding of polyether urethane foam objects

Info

Publication number
FR1250282A
FR1250282A FR820554A FR820554A FR1250282A FR 1250282 A FR1250282 A FR 1250282A FR 820554 A FR820554 A FR 820554A FR 820554 A FR820554 A FR 820554A FR 1250282 A FR1250282 A FR 1250282A
Authority
FR
France
Prior art keywords
molding
urethane foam
polyether urethane
foam objects
objects
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
FR820554A
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.)
Stubnitz Greene Corp
Original Assignee
Stubnitz Greene Corp
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 US803263A external-priority patent/US3056168A/en
Application filed by Stubnitz Greene Corp filed Critical Stubnitz Greene Corp
Priority to FR820554A priority Critical patent/FR1250282A/en
Application granted granted Critical
Publication of FR1250282A publication Critical patent/FR1250282A/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
    • B29C44/362—Regulating the feed w.r.t. the foam layer thickness
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/025—Foaming in open moulds, followed by closing the 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
FR820554A 1959-03-31 1960-03-07 Process for the molding of polyether urethane foam objects Expired FR1250282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR820554A FR1250282A (en) 1959-03-31 1960-03-07 Process for the molding of polyether urethane foam objects

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US803263A US3056168A (en) 1959-03-31 1959-03-31 Method of molding polyether urethane foam articles
FR820554A FR1250282A (en) 1959-03-31 1960-03-07 Process for the molding of polyether urethane foam objects

Publications (1)

Publication Number Publication Date
FR1250282A true FR1250282A (en) 1961-01-06

Family

ID=26185207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820554A Expired FR1250282A (en) 1959-03-31 1960-03-07 Process for the molding of polyether urethane foam objects

Country Status (1)

Country Link
FR (1) FR1250282A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511297A1 (en) * 1981-08-13 1983-02-18 Saplest Sa PROCESS FOR MANUFACTURING EXPANDED SYNTHETIC MATERIALS WITH VARIABLE PHYSICAL CHARACTERISTICS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511297A1 (en) * 1981-08-13 1983-02-18 Saplest Sa PROCESS FOR MANUFACTURING EXPANDED SYNTHETIC MATERIALS WITH VARIABLE PHYSICAL CHARACTERISTICS

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