JPS5699043A - Manufacture of self-hardening casting mold - Google Patents

Manufacture of self-hardening casting mold

Info

Publication number
JPS5699043A
JPS5699043A JP291580A JP291580A JPS5699043A JP S5699043 A JPS5699043 A JP S5699043A JP 291580 A JP291580 A JP 291580A JP 291580 A JP291580 A JP 291580A JP S5699043 A JPS5699043 A JP S5699043A
Authority
JP
Japan
Prior art keywords
casting mold
cement
self
manufacture
dimethylolurea
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
JP291580A
Other languages
Japanese (ja)
Inventor
Yoshiaki Tanaka
Masuo Sawa
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.)
Kao Corp
Original Assignee
Kao Corp
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 Kao Corp filed Critical Kao Corp
Priority to JP291580A priority Critical patent/JPS5699043A/en
Publication of JPS5699043A publication Critical patent/JPS5699043A/en
Pending legal-status Critical Current

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  • Mold Materials And Core Materials (AREA)

Abstract

PURPOSE: To extend the serviceable hours, and to prevent the declination of the 24hr compressive strength of the casting mold, by forming the mold with a mixture obtained by mulling the molding sand, aqueous solution of glyoxal, cement, and N,N-dimethylolurea, at a specified proportion.
CONSTITUTION: A hurdred parts by weight of the molding sand, 0.5W15pts. of 40% aqueous solution of glyoxal, 0.5W20pts. of cement, and 0.5W4pts. of N,N- dimethylolurea, are mulled and formed into a casting mold. As for the cement, one kind or a mixture of two or more kinds various cements are employed according to the purpose of use of the cement.
COPYRIGHT: (C)1981,JPO&Japio
JP291580A 1980-01-14 1980-01-14 Manufacture of self-hardening casting mold Pending JPS5699043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP291580A JPS5699043A (en) 1980-01-14 1980-01-14 Manufacture of self-hardening casting mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP291580A JPS5699043A (en) 1980-01-14 1980-01-14 Manufacture of self-hardening casting mold

Publications (1)

Publication Number Publication Date
JPS5699043A true JPS5699043A (en) 1981-08-10

Family

ID=11542636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP291580A Pending JPS5699043A (en) 1980-01-14 1980-01-14 Manufacture of self-hardening casting mold

Country Status (1)

Country Link
JP (1) JPS5699043A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884258A (en) * 2017-11-24 2018-04-06 四川共享铸造有限公司 A kind of sand core strength test block mould

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884258A (en) * 2017-11-24 2018-04-06 四川共享铸造有限公司 A kind of sand core strength test block mould

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