FR2320818A1 - Nouveau procede pour la transformation du polystyrene expansible ou toute matiere expansible par la chaleur - Google Patents

Nouveau procede pour la transformation du polystyrene expansible ou toute matiere expansible par la chaleur

Info

Publication number
FR2320818A1
FR2320818A1 FR7525466A FR7525466A FR2320818A1 FR 2320818 A1 FR2320818 A1 FR 2320818A1 FR 7525466 A FR7525466 A FR 7525466A FR 7525466 A FR7525466 A FR 7525466A FR 2320818 A1 FR2320818 A1 FR 2320818A1
Authority
FR
France
Prior art keywords
moulding
mould
moulds
heat
expanded polystyrene
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Withdrawn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
FR7525466A
Other languages
English (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
Priority to FR7525466A priority Critical patent/FR2320818A1/fr
Publication of FR2320818A1 publication Critical patent/FR2320818A1/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Withdrawn legal-status Critical Current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
    • B29C44/58—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
    • 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
    • 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
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B29K2025/04—Polymers of styrene
    • B29K2025/06—PS, i.e. polystyrene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7525466A 1975-08-14 1975-08-14 Nouveau procede pour la transformation du polystyrene expansible ou toute matiere expansible par la chaleur Withdrawn FR2320818A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7525466A FR2320818A1 (fr) 1975-08-14 1975-08-14 Nouveau procede pour la transformation du polystyrene expansible ou toute matiere expansible par la chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7525466A FR2320818A1 (fr) 1975-08-14 1975-08-14 Nouveau procede pour la transformation du polystyrene expansible ou toute matiere expansible par la chaleur

Publications (1)

Publication Number Publication Date
FR2320818A1 true FR2320818A1 (fr) 1977-03-11

Family

ID=9159122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525466A Withdrawn FR2320818A1 (fr) 1975-08-14 1975-08-14 Nouveau procede pour la transformation du polystyrene expansible ou toute matiere expansible par la chaleur

Country Status (1)

Country Link
FR (1) FR2320818A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008642A1 (fr) * 1989-02-01 1990-08-09 Adfoam Pty. Limited Procede et appareil de fabrication d'articles a partir de materiaux thermoplastiques expansibles
DE19829562A1 (de) * 1998-07-02 2000-01-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum thermischen Verbinden von geschäumten Polymerpartikeln
US11975384B2 (en) 2019-07-22 2024-05-07 Foundry Lab Limited Casting mould

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008642A1 (fr) * 1989-02-01 1990-08-09 Adfoam Pty. Limited Procede et appareil de fabrication d'articles a partir de materiaux thermoplastiques expansibles
DE19829562A1 (de) * 1998-07-02 2000-01-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum thermischen Verbinden von geschäumten Polymerpartikeln
US11975384B2 (en) 2019-07-22 2024-05-07 Foundry Lab Limited Casting mould

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Legal Events

Date Code Title Description
ST Notification of lapse