JPS5686712A - Mold for molding and preparation thereof - Google Patents

Mold for molding and preparation thereof

Info

Publication number
JPS5686712A
JPS5686712A JP16435779A JP16435779A JPS5686712A JP S5686712 A JPS5686712 A JP S5686712A JP 16435779 A JP16435779 A JP 16435779A JP 16435779 A JP16435779 A JP 16435779A JP S5686712 A JPS5686712 A JP S5686712A
Authority
JP
Japan
Prior art keywords
mold
molding
pressure
less
original
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
JP16435779A
Other languages
Japanese (ja)
Inventor
Yoshio Imai
Kazuhiko Osaki
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 JP16435779A priority Critical patent/JPS5686712A/en
Publication of JPS5686712A publication Critical patent/JPS5686712A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE: To prepare a mold for molding which can produce moldings advantageously in a short time by a method wherein an original mold is pressed to a hard plastic form to form a concave part which coincides with the external shape of the original mold.
CONSTITUTION: An original mold is pushed to a hard plastic form and a concave part coinciding with the outer shape of the original mold is formed in the aforementioned form to produce a mold for molding. As a material to be used for the mold for molding, a thing which generates a pressure deformation required for the molding at a contact part easily through an extremely small contact pressure even when the thing is not pushed excessively and which does not restore the original form when the external force is removed is desirous. As a hard plastic satisfying these conditions, polyisocyanate group form is illustrated which is having a density of 0.016g/cm2 or less in the JISA-9514 test method, having a pressure strength of 0.5kg/cm2 or less in the ASTMD-1621 test method and having retaining strength of 7.0g/cm2 or less and 12.0/cm2 or less respectively during a 50% pressure and a 75% pressure in the JISK-6401 test method.
COPYRIGHT: (C)1981,JPO&Japio
JP16435779A 1979-12-18 1979-12-18 Mold for molding and preparation thereof Pending JPS5686712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16435779A JPS5686712A (en) 1979-12-18 1979-12-18 Mold for molding and preparation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16435779A JPS5686712A (en) 1979-12-18 1979-12-18 Mold for molding and preparation thereof

Publications (1)

Publication Number Publication Date
JPS5686712A true JPS5686712A (en) 1981-07-14

Family

ID=15791605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16435779A Pending JPS5686712A (en) 1979-12-18 1979-12-18 Mold for molding and preparation thereof

Country Status (1)

Country Link
JP (1) JPS5686712A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662712A (en) * 1982-12-18 1987-05-05 Tohoku Electric Power Co., Inc. Non-metallic self-supporting aerial optical cable
JP2022049624A (en) * 2020-09-16 2022-03-29 有限会社クリオベッツ Plaster cast and production method of plaster cast

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662712A (en) * 1982-12-18 1987-05-05 Tohoku Electric Power Co., Inc. Non-metallic self-supporting aerial optical cable
JP2022049624A (en) * 2020-09-16 2022-03-29 有限会社クリオベッツ Plaster cast and production method of plaster cast

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