JPS5744446A - Production of mold - Google Patents

Production of mold

Info

Publication number
JPS5744446A
JPS5744446A JP11136380A JP11136380A JPS5744446A JP S5744446 A JPS5744446 A JP S5744446A JP 11136380 A JP11136380 A JP 11136380A JP 11136380 A JP11136380 A JP 11136380A JP S5744446 A JPS5744446 A JP S5744446A
Authority
JP
Japan
Prior art keywords
sand
submolds
mold
burning
molding
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
JP11136380A
Other languages
Japanese (ja)
Other versions
JPS595381B2 (en
Inventor
Akio Taniguchi
Toshimitsu Oguma
Masayuki Tsutsumi
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP11136380A priority Critical patent/JPS595381B2/en
Publication of JPS5744446A publication Critical patent/JPS5744446A/en
Publication of JPS595381B2 publication Critical patent/JPS595381B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE: To reduce the use of costly burning resistance sand and to improve burning resistance with simple molding work by removing a master mold and submolds after molding sand has set, and coating the burning resistant sand on the surface of the mold after removal of the submolds.
CONSTITUTION: Submolds 2 are projectively fitted in proper places on the surface of a master mold 1 in contact therewith. This is disposed in a molding flask 3, and ordinary molding sand 4 is built up on the surface of a wooden pattern. Backing sand 5 is filled on the outer circumferential side thereof and the sands 4 and 5 are allowed to harden. Thence, the master mold 1 and the submolds 2 are removed, and burning resistant sand 7 such as zircon sand or chromite sand is coated in the recesses 6 on the mold surface after removal of the submolds 2 to shape the surface, whereby the mold of good burning resistance is obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP11136380A 1980-08-12 1980-08-12 Mold manufacturing method Expired JPS595381B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11136380A JPS595381B2 (en) 1980-08-12 1980-08-12 Mold manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11136380A JPS595381B2 (en) 1980-08-12 1980-08-12 Mold manufacturing method

Publications (2)

Publication Number Publication Date
JPS5744446A true JPS5744446A (en) 1982-03-12
JPS595381B2 JPS595381B2 (en) 1984-02-04

Family

ID=14559289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11136380A Expired JPS595381B2 (en) 1980-08-12 1980-08-12 Mold manufacturing method

Country Status (1)

Country Link
JP (1) JPS595381B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61122877U (en) * 1985-01-21 1986-08-02

Also Published As

Publication number Publication date
JPS595381B2 (en) 1984-02-04

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