JPS5623343A - Pattern plate for evacuation molding - Google Patents

Pattern plate for evacuation molding

Info

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
Application number
JP9881879A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Matsumiya
Kunio Sawada
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.)
SAWADA TEKKOSHO KK
Sintokogio Ltd
Original Assignee
SAWADA TEKKOSHO KK
Sintokogio 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 SAWADA TEKKOSHO KK, Sintokogio Ltd filed Critical SAWADA TEKKOSHO KK
Priority to JP9881879A priority Critical patent/JPS5623343A/en
Publication of JPS5623343A publication Critical patent/JPS5623343A/en
Pending legal-status Critical Current

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
JP9881879A 1979-08-02 1979-08-02 Pattern plate for evacuation molding Pending JPS5623343A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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