JPS5584247A - Pattern of mold for microwave hardening - Google Patents
Pattern of mold for microwave hardeningInfo
- Publication number
- JPS5584247A JPS5584247A JP15692678A JP15692678A JPS5584247A JP S5584247 A JPS5584247 A JP S5584247A JP 15692678 A JP15692678 A JP 15692678A JP 15692678 A JP15692678 A JP 15692678A JP S5584247 A JPS5584247 A JP S5584247A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- pattern
- film layer
- coating film
- mold
- 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
Links
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To pattern of the mold for microwave hardening of low cost and easy and good parting characteristic which comprises forming a thin coating film layer of silicone rubber or fluorine-contained rubber on the surface of the main body composed of dry wood or the like.
CONSTITUTION: Inexpensive and easy-to-mold materials such as dry wood, synthetic wood, epoxy resin and acrylic resin are used for the pattern main body 1. The coating film layer 2 of silicone rubber or fluorine-contained rubber of good heat resistance and good parting characteristic is formed by brushing, spraying or hot dip coating on the surface of the main body 1. After the coating film layer 2 of the surface has sufficiently hardened, shell mold sand 3 containing dielectric is packed in this main body 1 and is microwave-hardened. Hence, the parting is made easier by the coating film layer 2 and since the main body 1 and heated sand do not make direct contact, no damages are given to the main body 1 and the pattern withstands repeated uses.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15692678A JPS5584247A (en) | 1978-12-21 | 1978-12-21 | Pattern of mold for microwave hardening |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15692678A JPS5584247A (en) | 1978-12-21 | 1978-12-21 | Pattern of mold for microwave hardening |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5584247A true JPS5584247A (en) | 1980-06-25 |
Family
ID=15638382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15692678A Pending JPS5584247A (en) | 1978-12-21 | 1978-12-21 | Pattern of mold for microwave hardening |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5584247A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535831A (en) * | 1981-03-17 | 1985-08-20 | Kabushiki Kaisha Komatsu Seisakusho | Pattern for producing a mold and method for manufacture of the pattern |
US4854366A (en) * | 1987-08-05 | 1989-08-08 | Austin Rover Group Limited | Method of making a moulded article |
-
1978
- 1978-12-21 JP JP15692678A patent/JPS5584247A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535831A (en) * | 1981-03-17 | 1985-08-20 | Kabushiki Kaisha Komatsu Seisakusho | Pattern for producing a mold and method for manufacture of the pattern |
US4854366A (en) * | 1987-08-05 | 1989-08-08 | Austin Rover Group Limited | Method of making a moulded article |
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