FR2500788A1 - Procede et installation pour la fabrication de pieces moulees en matiere thermoplastique pouvant donner un produit mousse - Google Patents

Procede et installation pour la fabrication de pieces moulees en matiere thermoplastique pouvant donner un produit mousse Download PDF

Info

Publication number
FR2500788A1
FR2500788A1 FR8201113A FR8201113A FR2500788A1 FR 2500788 A1 FR2500788 A1 FR 2500788A1 FR 8201113 A FR8201113 A FR 8201113A FR 8201113 A FR8201113 A FR 8201113A FR 2500788 A1 FR2500788 A1 FR 2500788A1
Authority
FR
France
Prior art keywords
vacuum
foaming
molded part
steam
chamber
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.)
Withdrawn
Application number
FR8201113A
Other languages
English (en)
French (fr)
Inventor
Frank Handle
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.)
Haendle & Soehne Maschf Karl
Original Assignee
Haendle & Soehne Maschf Karl
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 Haendle & Soehne Maschf Karl filed Critical Haendle & Soehne Maschf Karl
Publication of FR2500788A1 publication Critical patent/FR2500788A1/fr
Withdrawn legal-status Critical Current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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5609—Purging of residual gas, e.g. noxious or explosive blowing agents
    • 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
    • B29C33/10—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Molding Of Porous Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR8201113A 1981-02-28 1982-01-25 Procede et installation pour la fabrication de pieces moulees en matiere thermoplastique pouvant donner un produit mousse Withdrawn FR2500788A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813107697 DE3107697A1 (de) 1981-02-28 1981-02-28 Verfahren zur herstellung von formkoerpern aus schaeumbarem, thermoplastischem kunststoffmaterial sowie vorrichtung zur durchfuehrung des verfahrens

Publications (1)

Publication Number Publication Date
FR2500788A1 true FR2500788A1 (fr) 1982-09-03

Family

ID=6126044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8201113A Withdrawn FR2500788A1 (fr) 1981-02-28 1982-01-25 Procede et installation pour la fabrication de pieces moulees en matiere thermoplastique pouvant donner un produit mousse

Country Status (4)

Country Link
DE (1) DE3107697A1 (it)
FR (1) FR2500788A1 (it)
GB (1) GB2093758A (it)
IT (1) IT1153449B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984513A (en) * 1988-10-21 1991-01-15 Corporation Salaison Melrose Apparatus for cooking and shaping meat pieces
DE19724398C2 (de) * 1997-01-25 2000-11-02 Juan Carlos Bergmann Vorrichtung zur Abkühlung von Produkten, die flüchtige Komponenten, insbesondere Wasser enthalten, durch beschleunigte Verdunstung mittels Vakuum
FR2771044B1 (fr) * 1997-11-18 2000-02-11 Cera Procede de realisation d'une piece de sellerie, notamment pour vehicule automobile
US6576174B1 (en) * 2000-01-27 2003-06-10 Industrial Thermo Polymers Limited Residual gas extraction process

Also Published As

Publication number Publication date
DE3107697A1 (de) 1982-10-07
GB2093758A (en) 1982-09-08
IT8219746A0 (it) 1982-02-19
IT1153449B (it) 1987-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse