JPS5623343A - Pattern plate for evacuation molding - Google Patents
Pattern plate for evacuation moldingInfo
- Publication number
- JPS5623343A JPS5623343A JP9881879A JP9881879A JPS5623343A JP S5623343 A JPS5623343 A JP S5623343A JP 9881879 A JP9881879 A JP 9881879A JP 9881879 A JP9881879 A JP 9881879A JP S5623343 A JPS5623343 A JP S5623343A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- upper plate
- small holes
- film
- plate
- 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 attract a film uniformly on the outside shape of a pattern and transfer intricate pattern to an air permeable mold by mounting the mold on the surface of a pattern plate provided with multiple small holes communicating with an evacuating chamber.
CONSTITUTION: A pattern 7 is mounted in the predetermined position on the upper plate 5 of a pattern plate 1 and the inside of an evacuating chamber 4 is evacuated through a suction pipe 3. Then, suction effect acts upon the entire surface of a plaster pattern 7 having been made porous to have air permeability, through the small holes 6 on the upper plate 5. At this time, a film 8 having been heated to soften is brought closer to the pattern 7 and is sucked onto the surfaces of the pattern and upper plate 5. Then, the film 8 closely adheres evenly on the pattern of the outside shape of the pattern 7. If after this a molding flask provided with an evacuating mechanism is placed on the upper plate 5 and heat-resistant filler is evacuated to solidify in the molding flask, the pattern is molded accurately to the shape of the pattern 7 and the formation of the traces of the small holes 6 on the pattern does not occur.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9881879A JPS5623343A (en) | 1979-08-02 | 1979-08-02 | Pattern plate for evacuation molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9881879A JPS5623343A (en) | 1979-08-02 | 1979-08-02 | Pattern plate for evacuation molding |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5623343A true JPS5623343A (en) | 1981-03-05 |
Family
ID=14229888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9881879A Pending JPS5623343A (en) | 1979-08-02 | 1979-08-02 | Pattern plate for evacuation molding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5623343A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60210048A (en) * | 1984-02-24 | 1985-10-22 | オランダ国 | Digital exchanger circuit network for exchanging signal of different bit rates |
-
1979
- 1979-08-02 JP JP9881879A patent/JPS5623343A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60210048A (en) * | 1984-02-24 | 1985-10-22 | オランダ国 | Digital exchanger circuit network for exchanging signal of different bit rates |
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