FR2327065A1 - Procede de thermoformage et structures obtenues par ce procede - Google Patents

Procede de thermoformage et structures obtenues par ce procede

Info

Publication number
FR2327065A1
FR2327065A1 FR7530812A FR7530812A FR2327065A1 FR 2327065 A1 FR2327065 A1 FR 2327065A1 FR 7530812 A FR7530812 A FR 7530812A FR 7530812 A FR7530812 A FR 7530812A FR 2327065 A1 FR2327065 A1 FR 2327065A1
Authority
FR
France
Prior art keywords
mould
sheet
heated
sheets
ply
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.)
Granted
Application number
FR7530812A
Other languages
English (en)
Other versions
FR2327065B1 (fr
Inventor
Michel Caron
Bernard Lauth
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.)
Orkem SA
Original Assignee
Chimique des Charbonnages SA
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 Chimique des Charbonnages SA filed Critical Chimique des Charbonnages SA
Priority to FR7530812A priority Critical patent/FR2327065A1/fr
Priority to BR7601965A priority patent/BR7601965A/pt
Publication of FR2327065A1 publication Critical patent/FR2327065A1/fr
Application granted granted Critical
Publication of FR2327065B1 publication Critical patent/FR2327065B1/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/006—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor for making articles having hollow walls
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
    • B29C51/423—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential through the thickness of the preform
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
FR7530812A 1975-10-08 1975-10-08 Procede de thermoformage et structures obtenues par ce procede Granted FR2327065A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7530812A FR2327065A1 (fr) 1975-10-08 1975-10-08 Procede de thermoformage et structures obtenues par ce procede
BR7601965A BR7601965A (pt) 1975-10-08 1976-03-31 Processo para a moldagem termica de materias plasticas celulares

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7530812A FR2327065A1 (fr) 1975-10-08 1975-10-08 Procede de thermoformage et structures obtenues par ce procede

Publications (2)

Publication Number Publication Date
FR2327065A1 true FR2327065A1 (fr) 1977-05-06
FR2327065B1 FR2327065B1 (fr) 1978-03-17

Family

ID=9160947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530812A Granted FR2327065A1 (fr) 1975-10-08 1975-10-08 Procede de thermoformage et structures obtenues par ce procede

Country Status (2)

Country Link
BR (1) BR7601965A (fr)
FR (1) FR2327065A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374830A (en) * 2001-04-20 2002-10-30 Reckitt Benckiser Improvements in or relating to compositions/components including a thermoforming step

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374830A (en) * 2001-04-20 2002-10-30 Reckitt Benckiser Improvements in or relating to compositions/components including a thermoforming step

Also Published As

Publication number Publication date
FR2327065B1 (fr) 1978-03-17
BR7601965A (pt) 1977-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse