JPS553965A - Method of and apparatus for producing synthetic resin mold - Google Patents

Method of and apparatus for producing synthetic resin mold

Info

Publication number
JPS553965A
JPS553965A JP7719378A JP7719378A JPS553965A JP S553965 A JPS553965 A JP S553965A JP 7719378 A JP7719378 A JP 7719378A JP 7719378 A JP7719378 A JP 7719378A JP S553965 A JPS553965 A JP S553965A
Authority
JP
Japan
Prior art keywords
synthetic resin
molding
sides
gripper
resin sheet
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
JP7719378A
Other languages
Japanese (ja)
Other versions
JPS6021528B2 (en
Inventor
Hiroshi Kichiji
Ryoichi Mukai
Takaari Nishimura
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co 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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP7719378A priority Critical patent/JPS6021528B2/en
Publication of JPS553965A publication Critical patent/JPS553965A/en
Publication of JPS6021528B2 publication Critical patent/JPS6021528B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE: To provide a corrugated mold excellent in the dimensional accuracy and the appearance without preheating a gripper by vacuum molding of a synthetic resin sheet with the all sides gripped after heating thereof placed on a preheated molding die.
CONSTITUTION: A synthetic resin sheet D is placed on a preheated molding die 2 and a gripper 3 alone on the shorter sides are operated to grip the shorter sides thereof. Then, under such a condition, a motor of a molding table device is driven to move the table device into a heater B where it is heated up to a temperature suitable for the molding. After ample heating of the sheet D, the molding table device is withdrawn from the heater B. A gripper 3 on the remaining sides, namely, longer sides is operated to grip the longer sides. Then, a valve of a suction tube connected to a vacuum pump is opened to have the vacuum working thereby an air in the hollow of the mold die is sucked out. In addition, a suction pressure is caused at the suction hole of the corrugated surface 21 to shape the synthetic resin sheet D.
COPYRIGHT: (C)1980,JPO&Japio
JP7719378A 1978-06-26 1978-06-26 Manufacturing method for synthetic resin molded products Expired JPS6021528B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7719378A JPS6021528B2 (en) 1978-06-26 1978-06-26 Manufacturing method for synthetic resin molded products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7719378A JPS6021528B2 (en) 1978-06-26 1978-06-26 Manufacturing method for synthetic resin molded products

Publications (2)

Publication Number Publication Date
JPS553965A true JPS553965A (en) 1980-01-12
JPS6021528B2 JPS6021528B2 (en) 1985-05-28

Family

ID=13626972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7719378A Expired JPS6021528B2 (en) 1978-06-26 1978-06-26 Manufacturing method for synthetic resin molded products

Country Status (1)

Country Link
JP (1) JPS6021528B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468240A (en) * 1981-03-24 1984-08-28 Adolf Margraf Filtering separators having filter cleaning apparatus
JPS63112017U (en) * 1987-01-12 1988-07-19

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468240A (en) * 1981-03-24 1984-08-28 Adolf Margraf Filtering separators having filter cleaning apparatus
JPS63112017U (en) * 1987-01-12 1988-07-19
JPH0529859Y2 (en) * 1987-01-12 1993-07-30

Also Published As

Publication number Publication date
JPS6021528B2 (en) 1985-05-28

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