FR2294035A1 - Procede perfectionne pour le formage de resines thermoplastiques - Google Patents

Procede perfectionne pour le formage de resines thermoplastiques

Info

Publication number
FR2294035A1
FR2294035A1 FR7537443A FR7537443A FR2294035A1 FR 2294035 A1 FR2294035 A1 FR 2294035A1 FR 7537443 A FR7537443 A FR 7537443A FR 7537443 A FR7537443 A FR 7537443A FR 2294035 A1 FR2294035 A1 FR 2294035A1
Authority
FR
France
Prior art keywords
moulding
vacuum
plastic
glass transition
transition temp
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
FR7537443A
Other languages
English (en)
French (fr)
Other versions
FR2294035B1 (oth
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.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of FR2294035A1 publication Critical patent/FR2294035A1/fr
Application granted granted Critical
Publication of FR2294035B1 publication Critical patent/FR2294035B1/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
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/426—Producing specific thermal regimes during thermoforming to obtain particular properties
    • 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
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR7537443A 1974-12-14 1975-12-08 Procede perfectionne pour le formage de resines thermoplastiques Granted FR2294035A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742459305 DE2459305A1 (de) 1974-12-14 1974-12-14 Umformen thermoplastischer kunststoffe

Publications (2)

Publication Number Publication Date
FR2294035A1 true FR2294035A1 (fr) 1976-07-09
FR2294035B1 FR2294035B1 (oth) 1979-06-22

Family

ID=5933482

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537443A Granted FR2294035A1 (fr) 1974-12-14 1975-12-08 Procede perfectionne pour le formage de resines thermoplastiques

Country Status (2)

Country Link
DE (1) DE2459305A1 (oth)
FR (1) FR2294035A1 (oth)

Also Published As

Publication number Publication date
DE2459305A1 (de) 1976-06-16
FR2294035B1 (oth) 1979-06-22

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Legal Events

Date Code Title Description
ST Notification of lapse