JPS56139258A - Heat-insulated mold - Google Patents

Heat-insulated mold

Info

Publication number
JPS56139258A
JPS56139258A JP4314380A JP4314380A JPS56139258A JP S56139258 A JPS56139258 A JP S56139258A JP 4314380 A JP4314380 A JP 4314380A JP 4314380 A JP4314380 A JP 4314380A JP S56139258 A JPS56139258 A JP S56139258A
Authority
JP
Japan
Prior art keywords
mold
recess
depth
height
insulation effect
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
JP4314380A
Other languages
Japanese (ja)
Inventor
Yuji Hanada
Yuji Yoshikawa
Yoshiya Yamamoto
Kenichi Takahama
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.)
Topy Industries Ltd
Shin Nippon Koki KK
Original Assignee
Topy Industries Ltd
Shin Nippon Koki 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 Topy Industries Ltd, Shin Nippon Koki KK filed Critical Topy Industries Ltd
Priority to JP4314380A priority Critical patent/JPS56139258A/en
Publication of JPS56139258A publication Critical patent/JPS56139258A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To manufacture a heat-insulated mold having high heat insulation effect by providing a recess opening outward to the wall of a mold body.
CONSTITUTION: A recess having a prescribed depth and a prescribed shape is formed in the predetermined position in the upper half part of a wide-bottom mold. The shape, depth, etc. of the recess are properly determined according to the kinds of the metal to be cast and the strength, life, etc. of the mold. In the case of casting, for example, steel, the recess is provided in the range from the position of a height of about 1/2 that of the mold up to the height of the bottom end of a head, and its depth is set at about 3/5 the wall of the mold body. Thus, the mold is manufactured by a method similar to usual methods of making molds and therefore the mold is made inexpensively; in addition, the mold has high heat insulation effect, hence the final solidified part is brought to the upper part to make shrinkage holes nearly nil, and the segregation of impurities is concentrated in the central part near the upper part.
COPYRIGHT: (C)1981,JPO&Japio
JP4314380A 1980-04-01 1980-04-01 Heat-insulated mold Pending JPS56139258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4314380A JPS56139258A (en) 1980-04-01 1980-04-01 Heat-insulated mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4314380A JPS56139258A (en) 1980-04-01 1980-04-01 Heat-insulated mold

Publications (1)

Publication Number Publication Date
JPS56139258A true JPS56139258A (en) 1981-10-30

Family

ID=12655605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4314380A Pending JPS56139258A (en) 1980-04-01 1980-04-01 Heat-insulated mold

Country Status (1)

Country Link
JP (1) JPS56139258A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176852U (en) * 1984-04-27 1985-11-22 大同特殊鋼株式会社 template

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176852U (en) * 1984-04-27 1985-11-22 大同特殊鋼株式会社 template

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