Title:
【発明の名称】真空式煉瓦成形装置
Document Type and Number:
Japanese Patent JPS5844054
Kind Code:
B2
Abstract:
PCT No. PCT/JP81/00111 Sec. 371 Date Dec. 16, 1981 Sec. 102(e) Date Dec. 16, 1981 PCT Filed May 15, 1981 PCT Pub. No. WO81/03304 PCT Pub. Date Nov. 26, 1981.A brick forming machine comprising an upper vacuum room mounted on a frame lifting up and down and enclosing an upper piston therein, an upper sealing ring mounted on the frame for sealing contact to an upper face of a mold, a lower vacuum room mounted on a truck and encircling a lower piston and giving airtight contact to a lower face of the mold, a lower sealing ring mounted detachably on an upper face of a lower half of a main body, spaces between the upper vacuum room and the upper sealing ring and also between the lower vacuum room and the lower sealing ring being respectively connected to upper and lower skirts in airtightening condition, and vacuum pressing forming operation is performed by extracting air in the spaces through an extracting pipe.
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Inventors:
IWASAKI SHIGEO
HANEGUCHI HIROSHI
HANEGUCHI HIROSHI
Application Number:
JP6739680A
Publication Date:
September 30, 1983
Filing Date:
May 21, 1980
Export Citation:
Assignee:
MITSUISHI FUKAI TETSUKOSHO KK
International Classes:
B28B3/02; B28B5/04; B28B7/44; B28B17/00; B30B11/00; B30B15/00; B30B15/02; (IPC1-7): B28B3/02; B30B11/02; B30B15/00
Attorney, Agent or Firm:
T. Takahashi