JPS5630037A - Manufacture of mold - Google Patents

Manufacture of mold

Info

Publication number
JPS5630037A
JPS5630037A JP10632079A JP10632079A JPS5630037A JP S5630037 A JPS5630037 A JP S5630037A JP 10632079 A JP10632079 A JP 10632079A JP 10632079 A JP10632079 A JP 10632079A JP S5630037 A JPS5630037 A JP S5630037A
Authority
JP
Japan
Prior art keywords
backup material
master
frame
zinc
shape
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
JP10632079A
Other languages
Japanese (ja)
Inventor
Takashi Kanehisa
Shinichiro Toyoda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10632079A priority Critical patent/JPS5630037A/en
Publication of JPS5630037A publication Critical patent/JPS5630037A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

PURPOSE: To achieve simplified and effectual casting by using the mold integrated with the backup material and the master, by means of melted metal cast inbetween the clearance formed by the backup material having uniformly greater shape than the outer shape of the finished product and said master having the same size as the outer shape of the finished product.
CONSTITUTION: A wooden pattern having the same shape as the molded plastics is formed at first and set into a frame, then, alloy having approximately 100°C m.p is flowed into said frame, and the wooden pattern is then removed after solidifying, then plaster is fed into said frame, so that the plaster master 6 having the same outer shape of the molded product is yielded. Then, for typical example, by using zinc, zinc backup material 7 having greater external shape than the molded product by 5W10mm is yielded by setting the wooden pattern coated with sheets having thickness by 5W10mm to said frame. Then, said backup material, master, auxiliary furnace 10, and metal trap 15, are set in the casting device, which are then heated up to a certain preheating temperature, then, heated gas is exhausted, pressure is decreased, and temperature of the stopper 11 is raised, and then, zinc film is formed by flowing the melted zinc 12 identical to said backup material 7 into the clearance 9, so that the mold integrated with the backup material is satisfactorily completed.
COPYRIGHT: (C)1981,JPO&Japio
JP10632079A 1979-08-20 1979-08-20 Manufacture of mold Pending JPS5630037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10632079A JPS5630037A (en) 1979-08-20 1979-08-20 Manufacture of mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10632079A JPS5630037A (en) 1979-08-20 1979-08-20 Manufacture of mold

Publications (1)

Publication Number Publication Date
JPS5630037A true JPS5630037A (en) 1981-03-26

Family

ID=14430645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10632079A Pending JPS5630037A (en) 1979-08-20 1979-08-20 Manufacture of mold

Country Status (1)

Country Link
JP (1) JPS5630037A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177131U (en) * 1984-10-23 1986-05-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177131U (en) * 1984-10-23 1986-05-23

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