FR1207019A - Process and apparatus for vacuum thermoforming - Google Patents

Process and apparatus for vacuum thermoforming

Info

Publication number
FR1207019A
FR1207019A FR1207019DA FR1207019A FR 1207019 A FR1207019 A FR 1207019A FR 1207019D A FR1207019D A FR 1207019DA FR 1207019 A FR1207019 A FR 1207019A
Authority
FR
France
Prior art keywords
vacuum thermoforming
thermoforming
vacuum
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.)
Expired
Application number
Other languages
French (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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Priority claimed from US667893A external-priority patent/US2910728A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority claimed from US827031A external-priority patent/US2990581A/en
Application granted granted Critical
Publication of FR1207019A publication Critical patent/FR1207019A/en
Expired 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
    • B29C51/04—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
    • B29C51/10—Forming by pressure difference, e.g. vacuum
FR1207019D 1957-06-25 1958-05-29 Process and apparatus for vacuum thermoforming Expired FR1207019A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1207019XA 1957-06-25 1957-06-25
US350795XA 1957-06-25 1957-06-25
US861355XA 1957-06-25 1957-06-25
US667893A US2910728A (en) 1957-06-25 1957-06-25 Apparatus for vacuum thermoforming
US827031A US2990581A (en) 1957-06-25 1959-07-14 Process for vacuum thermoforming

Publications (1)

Publication Number Publication Date
FR1207019A true FR1207019A (en) 1960-02-12

Family

ID=27534532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1207019D Expired FR1207019A (en) 1957-06-25 1958-05-29 Process and apparatus for vacuum thermoforming

Country Status (2)

Country Link
FR (1) FR1207019A (en)
GB (1) GB861355A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394382A1 (en) * 1977-06-14 1979-01-12 Unigate Foods Ltd IMPROVEMENTS IN THE MOLDING OF PLASTIC FILMS
FR2474387A1 (en) * 1980-01-30 1981-07-31 Lechaine Marcel Tools for making large thermo:formed mouldings - using residual mould cavity pressure to develop forming pressures against compression mould face

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1378945A (en) * 1972-03-21 1975-01-02 Shell Int Research Apparatus and method for moulding hollow articles from thermoplastics sheet
EP1066150B1 (en) * 1998-03-06 2003-01-08 Jacques Theno Thermoforming method and device, in particular for making a container
FR2766754B1 (en) * 1998-09-08 2000-05-05 Jacques Theno METHOD AND DEVICE FOR PRODUCING THERMO-STRETCH-BLOWING A CONTAINER OR A PLASTIC SHAPE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394382A1 (en) * 1977-06-14 1979-01-12 Unigate Foods Ltd IMPROVEMENTS IN THE MOLDING OF PLASTIC FILMS
FR2474387A1 (en) * 1980-01-30 1981-07-31 Lechaine Marcel Tools for making large thermo:formed mouldings - using residual mould cavity pressure to develop forming pressures against compression mould face

Also Published As

Publication number Publication date
GB861355A (en) 1961-02-22

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