JPS55147451A - Pattern for casting - Google Patents

Pattern for casting

Info

Publication number
JPS55147451A
JPS55147451A JP5601279A JP5601279A JPS55147451A JP S55147451 A JPS55147451 A JP S55147451A JP 5601279 A JP5601279 A JP 5601279A JP 5601279 A JP5601279 A JP 5601279A JP S55147451 A JPS55147451 A JP S55147451A
Authority
JP
Japan
Prior art keywords
pattern
vinyl acetate
resin
casting
molds
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
JP5601279A
Other languages
Japanese (ja)
Other versions
JPS58939B2 (en
Inventor
Yoshio Sasaki
Toshiaki Kiyabu
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP54056012A priority Critical patent/JPS58939B2/en
Publication of JPS55147451A publication Critical patent/JPS55147451A/en
Publication of JPS58939B2 publication Critical patent/JPS58939B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE: The soft pattern for casting which is composed of the ethylene-vinyl acetate resin in which the vinyl acetate is of the specific content, which is sufficient in surface hardness and strength and which is inexpensive and reusable.
CONSTITUTION: The pattern having resilience used for rapping of the pattern of the case when there is no draft and the case when blades of impeller patterns, etc. are twisted is made by the ethylene-vinyl acetate resin which contains vinyl acetate at 6W40% based on weight. Such resin is melted at about 160W200°C, is poured or force-fed into molds such as wooden patterns or metal molds, and is cooled and frozen in said molds, whereby it is molded to the pattern for casting. If the vinyl acetate contents in this resin are out of the foregoing range, fluidity is poor at the resin melting and is not suitable for molding.
COPYRIGHT: (C)1980,JPO&Japio
JP54056012A 1979-05-07 1979-05-07 casting model Expired JPS58939B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54056012A JPS58939B2 (en) 1979-05-07 1979-05-07 casting model

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54056012A JPS58939B2 (en) 1979-05-07 1979-05-07 casting model

Publications (2)

Publication Number Publication Date
JPS55147451A true JPS55147451A (en) 1980-11-17
JPS58939B2 JPS58939B2 (en) 1983-01-08

Family

ID=13015135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54056012A Expired JPS58939B2 (en) 1979-05-07 1979-05-07 casting model

Country Status (1)

Country Link
JP (1) JPS58939B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117033U (en) * 1984-07-06 1986-01-31 トピ−工業株式会社 wheel carrier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5029417A (en) * 1973-07-19 1975-03-25
JPS5450425A (en) * 1977-09-30 1979-04-20 Hitachi Ltd Method of making mold

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5029417A (en) * 1973-07-19 1975-03-25
JPS5450425A (en) * 1977-09-30 1979-04-20 Hitachi Ltd Method of making mold

Also Published As

Publication number Publication date
JPS58939B2 (en) 1983-01-08

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