JPS5592249A - Production of sand mold for casting - Google Patents

Production of sand mold for casting

Info

Publication number
JPS5592249A
JPS5592249A JP16191378A JP16191378A JPS5592249A JP S5592249 A JPS5592249 A JP S5592249A JP 16191378 A JP16191378 A JP 16191378A JP 16191378 A JP16191378 A JP 16191378A JP S5592249 A JPS5592249 A JP S5592249A
Authority
JP
Japan
Prior art keywords
acid
added
molding sand
metal oxide
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.)
Pending
Application number
JP16191378A
Other languages
Japanese (ja)
Inventor
Jirou Nakayasu
Keishiro Iki
Takashi Ogawara
Hideo Takahashi
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP16191378A priority Critical patent/JPS5592249A/en
Priority to GB7943129A priority patent/GB2039283B/en
Priority to GB8041109A priority patent/GB2063893B/en
Priority to BR7908408A priority patent/BR7908408A/en
Priority to US06/105,534 priority patent/US4330459A/en
Priority to FR7931338A priority patent/FR2444520A1/en
Priority to DE2951502A priority patent/DE2951502C2/en
Publication of JPS5592249A publication Critical patent/JPS5592249A/en
Priority to US06/286,658 priority patent/US4385656A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain sufficient green sand mold strength and enable to reuse molding sand, by mixing metal oxide, molding sand and water to polycarboxylic acid containing carboxyic group, and molding with mixture.
CONSTITUTION: Magnesium oxide of metal oxide and water are added to trimellitic acid, trimellitic acid anhydride, or the like of polycarboxylic acid containing three or more carboxylic groups in a molecule, and this mixture is added to the molding sand to fill up a molding mold. Aqueous solution of polyacrylic acid polymer containing carboxylic group is added to said polycarboxylic acid, and magnesium oxide of metal oxide and molding sand are added and mixed. Yet, similar effects may be obtained by adding maleic anhydride or the like of dicarboxylic acid to the trimellitic acid or the like of polycarboxylic acid, and adding magnesium oxide, iron oxide, and magnesium hydroxide of metal oxide or hydroxide, then adding and mixing into the molding sand together with water or aqueous solution of polyacrylic acid of polymer containing carboxylic group.
COPYRIGHT: (C)1980,JPO&Japio
JP16191378A 1978-12-20 1978-12-29 Production of sand mold for casting Pending JPS5592249A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP16191378A JPS5592249A (en) 1978-12-29 1978-12-29 Production of sand mold for casting
GB7943129A GB2039283B (en) 1978-12-20 1979-12-14 Production of moulds
GB8041109A GB2063893B (en) 1978-12-20 1979-12-14 Production of moulds
BR7908408A BR7908408A (en) 1978-12-20 1979-12-20 FOUNDRY SAND MOLD MANUFACTURING PROCESS
US06/105,534 US4330459A (en) 1978-12-20 1979-12-20 Method of manufacturing foundry sand molds
FR7931338A FR2444520A1 (en) 1978-12-20 1979-12-20 PROCESS FOR PREPARING AGGLOMERANTS FOR FOUNDRY SAND
DE2951502A DE2951502C2 (en) 1978-12-20 1979-12-20 Foundry sand mix
US06/286,658 US4385656A (en) 1978-12-20 1981-07-24 Method of manufacturing foundry sand molds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16191378A JPS5592249A (en) 1978-12-29 1978-12-29 Production of sand mold for casting

Publications (1)

Publication Number Publication Date
JPS5592249A true JPS5592249A (en) 1980-07-12

Family

ID=15744394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16191378A Pending JPS5592249A (en) 1978-12-20 1978-12-29 Production of sand mold for casting

Country Status (1)

Country Link
JP (1) JPS5592249A (en)

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