VACUUM TYPE BRICK FORMING APPARATUS - MITSUISHI FUKAI IRON WORKS

Title:

VACUUM TYPE BRICK FORMING APPARATUS

Document Type and Number:

WIPO Patent Application WO/1981/003304

Kind Code:

A1

Abstract:

This vacuum type brick forming apparatus includes an upper vacuum chamber formed at an elevation frame around an upper piston, an upper sealing ring attached to the frame capable of contacting the upper surface of a framework, a lower vacuum chamber so formed in a truck around a lower piston as to make contact with the lower surface of the framework, and a lower sealing ring provided separably relative to the upper surface of the lower body. Upper and lower soft skirts are connected airtightly between the upper vacuum chamber and the upper sealing ring, as well as between the lower vacuum chamber and the lower sealing ring for bleeding through a bleed tube, thereby executing vacuum pressure molding in the brick forming apparatus.

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JP4462725	Multi-layer molding press for molding multi-layer molded products with plate

Inventors:

IWASAKI S (JP)
HAGUCHI H (JP)

Application Number:

PCT/JP1981/000111

Publication Date:

November 26, 1981

Filing Date:

May 15, 1981

Export Citation:

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Assignee:

MITSUISHI FUKAI IRON WORKS (JP)
IWASAKI S (JP)
HAGUCHI H (JP)

International Classes:

B28B3/02; B28B5/04; B28B7/44; B28B17/00; B30B11/00; B30B15/00; B30B15/02; (IPC1-7): B28B3/02; B30B11/02

Foreign References:

JPS52150409A	1977-12-14
JPS4844307A	1973-06-26
US3784343A	1974-01-08
GB1160137A	1969-07-30
JPS4867306A	1973-09-14

Other References: