FR2166222B1 - - Google Patents

Info

Publication number
FR2166222B1
FR2166222B1 FR7247111A FR7247111A FR2166222B1 FR 2166222 B1 FR2166222 B1 FR 2166222B1 FR 7247111 A FR7247111 A FR 7247111A FR 7247111 A FR7247111 A FR 7247111A FR 2166222 B1 FR2166222 B1 FR 2166222B1
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
FR7247111A
Other languages
French (fr)
Other versions
FR2166222A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2166222A1 publication Critical patent/FR2166222A1/fr
Application granted granted Critical
Publication of FR2166222B1 publication Critical patent/FR2166222B1/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
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/68—Release sheets
    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0415—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the pressure of the material during or after filling of the mould, e.g. by local venting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
FR7247111A 1971-12-27 1972-12-21 Foamed moulding with smooth skin - by using permeable lining in mould Granted FR2166222A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21265371A 1971-12-27 1971-12-27

Publications (2)

Publication Number Publication Date
FR2166222A1 FR2166222A1 (en) 1973-08-10
FR2166222B1 true FR2166222B1 (de) 1976-01-30

Family

ID=22791928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7247111A Granted FR2166222A1 (en) 1971-12-27 1972-12-21 Foamed moulding with smooth skin - by using permeable lining in mould

Country Status (2)

Country Link
JP (1) JPS4876961A (de)
FR (1) FR2166222A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2875832T3 (es) 2010-08-13 2021-11-11 Otto Wiesmayer Procedimiento para la producción de piezas moldeadas de espuma
FR2989019B1 (fr) * 2012-04-04 2016-09-30 Plastiques Du Val De Loire Procede de moulage par injection d'un materiau plastique mousse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1468203A (fr) * 1965-02-16 1967-02-03 Kay Mfg Corp Appareil et procédé de moulage
FR1450652A (fr) * 1965-07-01 1966-06-24 Metaux Et Plastiques De La Neu Procédé pour développer en mousse des résines synthétiques et moule pour sa mise en oeuvre
US3419648A (en) * 1965-08-18 1968-12-31 Dow Chemical Co Method of molding polystyrene
DE1504276B2 (de) * 1965-10-12 1973-09-06 Fa. Carl Freudenberg, 6940 Weinheim Verfahren zum herstellen von schaumformkoerpern aus polyurethan
CH495207A (de) * 1969-10-09 1970-08-31 Lonza Ag Verfahren zur Herstellung von Schaumstoffplatten

Also Published As

Publication number Publication date
FR2166222A1 (en) 1973-08-10
JPS4876961A (de) 1973-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse