FR2100875B1 - - Google Patents

Info

Publication number
FR2100875B1
FR2100875B1 FR7124965A FR7124965A FR2100875B1 FR 2100875 B1 FR2100875 B1 FR 2100875B1 FR 7124965 A FR7124965 A FR 7124965A FR 7124965 A FR7124965 A FR 7124965A FR 2100875 B1 FR2100875 B1 FR 2100875B1
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
FR7124965A
Other languages
French (fr)
Other versions
FR2100875A1 (cg-RX-API-DMAC10.html
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.)
Asahi Dow Ltd
Original Assignee
Asahi Dow Ltd
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 Asahi Dow Ltd filed Critical Asahi Dow Ltd
Publication of FR2100875A1 publication Critical patent/FR2100875A1/fr
Application granted granted Critical
Publication of FR2100875B1 publication Critical patent/FR2100875B1/fr
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
    • B29C51/26—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/023—Half-products, e.g. films, plates
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/06—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam for articles of indefinite length
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR7124965A 1970-07-08 1971-07-08 Expired FR2100875B1 (cg-RX-API-DMAC10.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5911870A JPS4947907B1 (cg-RX-API-DMAC10.html) 1970-07-08 1970-07-08

Publications (2)

Publication Number Publication Date
FR2100875A1 FR2100875A1 (cg-RX-API-DMAC10.html) 1972-03-24
FR2100875B1 true FR2100875B1 (cg-RX-API-DMAC10.html) 1974-08-19

Family

ID=13104064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124965A Expired FR2100875B1 (cg-RX-API-DMAC10.html) 1970-07-08 1971-07-08

Country Status (5)

Country Link
JP (1) JPS4947907B1 (cg-RX-API-DMAC10.html)
CA (1) CA953867A (cg-RX-API-DMAC10.html)
DE (1) DE2134108A1 (cg-RX-API-DMAC10.html)
FR (1) FR2100875B1 (cg-RX-API-DMAC10.html)
GB (1) GB1338324A (cg-RX-API-DMAC10.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2743184C3 (de) * 1977-09-26 1981-03-12 Osoboe opytno-konstruktorskoe bjuro po razvitiju mechanopnevmatičeskoj technologii pererabotki listovych termoplastov, Leningrad Vorrichtung zur Herstellung von Gegenständen aus blattförmigem thermoplstischem Material mit einer Heizvorrichtung für dieses, die aus zwei Luftkästen besteht
US4520575A (en) * 1983-11-25 1985-06-04 Cincinnati Milacron Inc. Impingement oven and method
US5571473A (en) * 1989-12-28 1996-11-05 Idemitsu Petrochemical Co., Ltd. Process for thermoforming thermoplastic resin sheet
US5290490A (en) * 1990-06-29 1994-03-01 General Electric Company Method and apparatus for differentially heating and thermoforming a polymer sheet
DE202012001512U1 (de) * 2012-02-14 2013-02-22 Maschinen Witte Gmbh & Co. Kg Aufheizgerät für gestreckte Werkstücke
ES3019907T3 (en) * 2020-02-27 2025-05-21 Essilor Int A thermoforming machine and method

Also Published As

Publication number Publication date
GB1338324A (en) 1973-11-21
DE2134108A1 (de) 1972-03-09
FR2100875A1 (cg-RX-API-DMAC10.html) 1972-03-24
JPS4947907B1 (cg-RX-API-DMAC10.html) 1974-12-18
CA953867A (en) 1974-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse