FR2235781B1 - - Google Patents

Info

Publication number
FR2235781B1
FR2235781B1 FR7324791A FR7324791A FR2235781B1 FR 2235781 B1 FR2235781 B1 FR 2235781B1 FR 7324791 A FR7324791 A FR 7324791A FR 7324791 A FR7324791 A FR 7324791A FR 2235781 B1 FR2235781 B1 FR 2235781B1
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
FR7324791A
Other languages
French (fr)
Other versions
FR2235781A1 (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.)
BIGNON LOUIS
Original Assignee
BIGNON LOUIS
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 BIGNON LOUIS filed Critical BIGNON LOUIS
Priority to FR7324791A priority Critical patent/FR2235781A1/en
Publication of FR2235781A1 publication Critical patent/FR2235781A1/en
Application granted granted Critical
Publication of FR2235781B1 publication Critical patent/FR2235781B1/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
    • B29C51/28—Component parts, details or accessories; Auxiliary operations for applying pressure through the wall of an inflated bag or diaphragm
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
FR7324791A 1973-07-05 1973-07-05 Vacuum forming optical quality sheet between rubber covers - to eliminate post polishing of mould marks or chill patterns Granted FR2235781A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7324791A FR2235781A1 (en) 1973-07-05 1973-07-05 Vacuum forming optical quality sheet between rubber covers - to eliminate post polishing of mould marks or chill patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7324791A FR2235781A1 (en) 1973-07-05 1973-07-05 Vacuum forming optical quality sheet between rubber covers - to eliminate post polishing of mould marks or chill patterns

Publications (2)

Publication Number Publication Date
FR2235781A1 FR2235781A1 (en) 1975-01-31
FR2235781B1 true FR2235781B1 (en) 1976-05-07

Family

ID=9122151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324791A Granted FR2235781A1 (en) 1973-07-05 1973-07-05 Vacuum forming optical quality sheet between rubber covers - to eliminate post polishing of mould marks or chill patterns

Country Status (1)

Country Link
FR (1) FR2235781A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538263A (en) * 1976-03-03 1979-01-17 Redifon Flight Simulation Ltd Apparatus for forming shaped articles methods of shaping articles and shaped articles formed thereby
EP0017452A1 (en) * 1979-03-30 1980-10-15 STOREY BROTHERS & COMPANY LIMITED Method of making a shaped structure
EP0095121A3 (en) * 1982-05-16 1986-01-29 Kurt Hacker Method of and apparatus for manufacturing a flat mirror body of at least partially curved thermoplastic material
FR2694906B1 (en) * 1992-08-20 1994-09-23 Acb Press for forming a piece of composite material comprising fibrous reinforcements in a polymer matrix.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE685678A (en) * 1965-08-20 1967-02-01
DE1908987A1 (en) * 1968-03-01 1969-09-25 Union Carbide Corp Method and device for heat deformation

Also Published As

Publication number Publication date
FR2235781A1 (en) 1975-01-31

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