JPS5787911A - Method and device for heating film in vacuum forming process - Google Patents

Method and device for heating film in vacuum forming process

Info

Publication number
JPS5787911A
JPS5787911A JP55165162A JP16516280A JPS5787911A JP S5787911 A JPS5787911 A JP S5787911A JP 55165162 A JP55165162 A JP 55165162A JP 16516280 A JP16516280 A JP 16516280A JP S5787911 A JPS5787911 A JP S5787911A
Authority
JP
Japan
Prior art keywords
heater base
heat
resistant property
cloth member
film
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
JP55165162A
Other languages
Japanese (ja)
Other versions
JPS6213899B2 (en
Inventor
Hideto Terada
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.)
Sintokogio Ltd
Shinto Industrial Co Ltd
Original Assignee
Sintokogio Ltd
Shinto Kogyo KK
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 Sintokogio Ltd, Shinto Kogyo KK filed Critical Sintokogio Ltd
Priority to JP55165162A priority Critical patent/JPS5787911A/en
Publication of JPS5787911A publication Critical patent/JPS5787911A/en
Publication of JPS6213899B2 publication Critical patent/JPS6213899B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To save heat amount of heaters and reduce the heating time, by a method wherein a cloth member having air-permeability and heat-resistant property is stretched on a heater base, negative pressure action is supplied from rear side of the heater base, and a flexible film having heat-resistant property is sucked and heated.
CONSTITUTION: A plurality of sheath heaters 12 are embedded at approximately regular intervals on a heater base 11 of a heater device which is hung and supported from a ceiling of a vacuum box 6, and a cloth member 13 having heat- resistant property and air-permeability is applied to lower surface of the heater base 11. If pressure is reduced in a space constituted by the vacuum box 6 and a film holding frame 16, a film 30 held by suction to lower surface of the film holding frame 16 is subjected to negative pressure action at whole surface and closely contacted to the surface of the cloth member 13 applied to lower surface of the heater base 11 and heated and softened by the sheath heaters 12.
COPYRIGHT: (C)1982,JPO&Japio
JP55165162A 1980-11-21 1980-11-21 Method and device for heating film in vacuum forming process Granted JPS5787911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55165162A JPS5787911A (en) 1980-11-21 1980-11-21 Method and device for heating film in vacuum forming process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55165162A JPS5787911A (en) 1980-11-21 1980-11-21 Method and device for heating film in vacuum forming process

Publications (2)

Publication Number Publication Date
JPS5787911A true JPS5787911A (en) 1982-06-01
JPS6213899B2 JPS6213899B2 (en) 1987-03-30

Family

ID=15807040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55165162A Granted JPS5787911A (en) 1980-11-21 1980-11-21 Method and device for heating film in vacuum forming process

Country Status (1)

Country Link
JP (1) JPS5787911A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0470322A (en) * 1990-06-29 1992-03-05 Sekisui Plastics Co Ltd Manufacture of composite container
JP2011230138A (en) * 2010-04-26 2011-11-17 Sintokogio Ltd Apparatus and method for forming film for reduced pressure molding
CN110405159A (en) * 2019-08-29 2019-11-05 郑州为新科技有限公司 A kind of V method moulding heating device
CN110405144A (en) * 2019-08-29 2019-11-05 郑州为新科技有限公司 A kind of V method moulding film covering device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0470322A (en) * 1990-06-29 1992-03-05 Sekisui Plastics Co Ltd Manufacture of composite container
JP2011230138A (en) * 2010-04-26 2011-11-17 Sintokogio Ltd Apparatus and method for forming film for reduced pressure molding
CN110405159A (en) * 2019-08-29 2019-11-05 郑州为新科技有限公司 A kind of V method moulding heating device
CN110405144A (en) * 2019-08-29 2019-11-05 郑州为新科技有限公司 A kind of V method moulding film covering device

Also Published As

Publication number Publication date
JPS6213899B2 (en) 1987-03-30

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