JPS5732912A - Vacuum forming method of deep-drawn article and mold therefor - Google Patents

Vacuum forming method of deep-drawn article and mold therefor

Info

Publication number
JPS5732912A
JPS5732912A JP10795680A JP10795680A JPS5732912A JP S5732912 A JPS5732912 A JP S5732912A JP 10795680 A JP10795680 A JP 10795680A JP 10795680 A JP10795680 A JP 10795680A JP S5732912 A JPS5732912 A JP S5732912A
Authority
JP
Japan
Prior art keywords
vacuum forming
deep
mold
female mold
facing material
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.)
Pending
Application number
JP10795680A
Other languages
Japanese (ja)
Inventor
Takamitsu Takabayashi
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.)
Inoac Corp
Original Assignee
Inoue MTP 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 Inoue MTP KK filed Critical Inoue MTP KK
Priority to JP10795680A priority Critical patent/JPS5732912A/en
Publication of JPS5732912A publication Critical patent/JPS5732912A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent wrinkle formation even in case of deep-draw by vacuum forming the preheated sheetlike facing material in a female mold and then, vacuum forming it finally in a male mold as the desired shape.
CONSTITUTION: The sheetlike facing material is preheated, made soft and positioned between the female mold and the male mold, and the male mold 4 is lifted and stopped to the female mold 3. Next, the facing material is preformed by evacuating the female mold 3 and then, final vacuum forming is done by evacuating the male mold 4 of the desired deep-draw. To prevent cooling of the facing material during preforming, the inner surface of the female mold 3 is preferably covered by permeable thermal insulation material 7.
COPYRIGHT: (C)1982,JPO&Japio
JP10795680A 1980-08-06 1980-08-06 Vacuum forming method of deep-drawn article and mold therefor Pending JPS5732912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10795680A JPS5732912A (en) 1980-08-06 1980-08-06 Vacuum forming method of deep-drawn article and mold therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10795680A JPS5732912A (en) 1980-08-06 1980-08-06 Vacuum forming method of deep-drawn article and mold therefor

Publications (1)

Publication Number Publication Date
JPS5732912A true JPS5732912A (en) 1982-02-22

Family

ID=14472315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10795680A Pending JPS5732912A (en) 1980-08-06 1980-08-06 Vacuum forming method of deep-drawn article and mold therefor

Country Status (1)

Country Link
JP (1) JPS5732912A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939564A (en) * 1988-05-13 1990-07-03 Kabushiki Kaisha Toshiba Gate-controlled bidirectional semiconductor switching device with rectifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939564A (en) * 1988-05-13 1990-07-03 Kabushiki Kaisha Toshiba Gate-controlled bidirectional semiconductor switching device with rectifier

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