专利检索 ap:("Hiroyuki Kuramochi" OR "Hiroki Kuranari" OR "Toru Yamaguchi" OR "Hisao Tetsuka" OR "Hideto Nakatsuka" OR "Shingo Takahashi") AND inv:"Hideto Nakatsuka" 第 1 页

1.

发明授权
Core material for automobile bumpers 失效
标题翻译：汽车保险杠的核心材料

公开(公告)号：US4756948A

公开(公告)日：1988-07-12

申请号：US75978

申请日：1987-07-21

申请人： Hiroyuki Kuramochi , Hiroki Kuranari , Toru Yamaguchi , Hisao Tetsuka , Hideto Nakatsuka , Shingo Takahashi

发明人： Hiroyuki Kuramochi , Hiroki Kuranari , Toru Yamaguchi , Hisao Tetsuka , Hideto Nakatsuka , Shingo Takahashi

IPC分类号： B60R19/18 , B60R19/22 , B32B3/30

CPC分类号： B60R19/18 , B60R19/22 , B60R2019/1806 , B60R2019/1866 , B60R2019/1873 , Y10T428/2457 , Y10T428/2462

摘要： A core material for an automobile bumper is disclosed, which includes an elongated body of a foamed polyolefin resin provided with a plurality of depressed portions in front and/or rear surfaces thereof, and structural members disposed within at least part of said depressed portions. The structural members are formed of a synthetic resin and have a bulk density of 0.2-3.5 g/cm.sup.3.