JPS5691959A - Preparation of mold - Google Patents

Preparation of mold

Info

Publication number
JPS5691959A
JPS5691959A JP16999479A JP16999479A JPS5691959A JP S5691959 A JPS5691959 A JP S5691959A JP 16999479 A JP16999479 A JP 16999479A JP 16999479 A JP16999479 A JP 16999479A JP S5691959 A JPS5691959 A JP S5691959A
Authority
JP
Japan
Prior art keywords
carbohydrate
mold
aqueous soln
refractory particles
binding
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
JP16999479A
Other languages
Japanese (ja)
Inventor
Tadao Nango
Masahiko Hataji
Takashi Adachi
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.)
KINSEI KOGYO KK
Original Assignee
KINSEI KOGYO 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 KINSEI KOGYO KK filed Critical KINSEI KOGYO KK
Priority to JP16999479A priority Critical patent/JPS5691959A/en
Publication of JPS5691959A publication Critical patent/JPS5691959A/en
Pending legal-status Critical Current

Links

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  • Mold Materials And Core Materials (AREA)

Abstract

PURPOSE: To mold a mold of good collapsing property of high binding forces among refractory materials relatively without evolving any harmful gases during molding and casting by binding the refractory particles relatively by means of the crystal material crystallized from an aqueous soln. of carbohydrate having crystallinity.
CONSTITUTION: Carbohydrate such as cane sugar having crystallinity, and water are mixed in a proper range to prepare an aqueous soln. heated to the m.p. or below of the carbohydrate. This aqueous soln. is added to refractory particles and these are mixed under agitating to prepare kneaded sand. This kneaded sand is put into a molding flask and a mold is molded. When this mold is allowed to stand or is forcibly cooled to temper below of the m.p. of the carbohydrate, the carbohydrate crystallizes while accompanying dehydration, whereby the bending matter is formed and the firm binding of the refractory particles is effected.
COPYRIGHT: (C)1981,JPO&Japio
JP16999479A 1979-12-25 1979-12-25 Preparation of mold Pending JPS5691959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16999479A JPS5691959A (en) 1979-12-25 1979-12-25 Preparation of mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16999479A JPS5691959A (en) 1979-12-25 1979-12-25 Preparation of mold

Publications (1)

Publication Number Publication Date
JPS5691959A true JPS5691959A (en) 1981-07-25

Family

ID=15896615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16999479A Pending JPS5691959A (en) 1979-12-25 1979-12-25 Preparation of mold

Country Status (1)

Country Link
JP (1) JPS5691959A (en)

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