FR2458376B3 - - Google Patents

Info

Publication number
FR2458376B3
FR2458376B3 FR7915183A FR7915183A FR2458376B3 FR 2458376 B3 FR2458376 B3 FR 2458376B3 FR 7915183 A FR7915183 A FR 7915183A FR 7915183 A FR7915183 A FR 7915183A FR 2458376 B3 FR2458376 B3 FR 2458376B3
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
FR7915183A
Other languages
French (fr)
Other versions
FR2458376A1 (fr
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.)
PLASTIFORM Srl
Original Assignee
PLASTIFORM Srl
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 PLASTIFORM Srl filed Critical PLASTIFORM Srl
Priority to FR7915183A priority Critical patent/FR2458376A1/fr
Publication of FR2458376A1 publication Critical patent/FR2458376A1/fr
Application granted granted Critical
Publication of FR2458376B3 publication Critical patent/FR2458376B3/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
    • B29C51/002—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 characterised by the choice of material
    • 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
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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)
FR7915183A 1979-06-13 1979-06-13 Procede perfectionne pour le thermoformage de polypropylene en feuilles Granted FR2458376A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7915183A FR2458376A1 (fr) 1979-06-13 1979-06-13 Procede perfectionne pour le thermoformage de polypropylene en feuilles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7915183A FR2458376A1 (fr) 1979-06-13 1979-06-13 Procede perfectionne pour le thermoformage de polypropylene en feuilles

Publications (2)

Publication Number Publication Date
FR2458376A1 FR2458376A1 (fr) 1981-01-02
FR2458376B3 true FR2458376B3 (OSRAM) 1982-05-14

Family

ID=9226570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7915183A Granted FR2458376A1 (fr) 1979-06-13 1979-06-13 Procede perfectionne pour le thermoformage de polypropylene en feuilles

Country Status (1)

Country Link
FR (1) FR2458376A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446650A1 (de) * 1984-12-20 1986-06-26 Multivac Sepp Haggenmüller KG, 8941 Wolfertschwenden Verpackungsmaschine

Also Published As

Publication number Publication date
FR2458376A1 (fr) 1981-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse