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152. 发明专利

JPS54107862A DEGASSING METHOD FOR EXTRUSION PRESS 失效
公开(公告)号：JPS54107862A
公开(公告)日：1979-08-24
申请号：JP1407578
申请日：1978-02-13
申请人： UBE INDUSTRIES
发明人： ASANO TOYOHIDE , MAEDA TAKUMA
IPC分类号： B21C27/04 , B28B3/20
摘要： PURPOSE:To surely, easily carryout the degassing of the container, by arranging at the center of the press, the degassing block, which is provided with the degassing hole and besides whose tip part is slidable within the container, after the billet is charged into the container, and by pushing, etc., the degassing block through the stem. CONSTITUTION:The stem 5 is retreated, the sealing block 8 and the degassing block 9 are placed out of the center 6 of the press, and the billet 3 together with the dummy block 4 are charged into the container 1 contacting with the dies 2. Next, the block 8 is moved, and the degassing block 9, which is provided with the degassing hole 10 and whose tip part is slidable within the container 1, is placed at the center 6 of the press, between the stem 5 and the container 1 contacting with the dies 2. Then, the stem 5 pushes the degassing block 9 whose tip part is charged into the container 1. Hereupon, the degassing hole 10 in the degassing block 9 is communicated to the degassing hole 7 of the sealing block 8: hence, the interior of the container 1 is degassed by th vacuum pump ( unillustrated ).

154. 发明专利

JPS52133853A METHOD AND DEVICE FOR MANUFACTURING EXTRUDED SHAPE MATERIAL 失效
公开(公告)号：JPS52133853A
公开(公告)日：1977-11-09
申请号：JP5107976
申请日：1976-05-04
申请人： RIKEN KEIKINZOKU KOGYO KK
发明人： TAKAHASHI TOSHIROU , NAKAMURA KATSUHIKO , SUZUKI KAZUO , MACHI YOSHIAKI
IPC分类号： B21C23/01 , B21C27/04

156. 发明专利

JPS5210848A METHOD OF MOLDING ALUMINUM MATERIAL 失效
公开(公告)号：JPS5210848A
公开(公告)日：1977-01-27
申请号：JP8646175
申请日：1975-07-15
申请人： RIKEN KEIKINZOKU KOGYO KK
发明人： TAKAHASHI TOSHIROU , NAGANO TOSHIHIRO , NAKAMURA KATSUHIKO , KIKUCHI MASARU , SUZUKI KAZUO
IPC分类号： B21C23/01 , B21C27/04

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