发明授权
- 专利标题: Pile driving
- 专利标题(中): 打桩
-
申请号: US830724申请日: 1986-02-19
-
公开(公告)号: US4725167A公开(公告)日: 1988-02-16
- 发明人: Stanley Merjan
- 申请人: Stanley Merjan
- 专利权人: Stanley Merjan
- 当前专利权人: Stanley Merjan
- 主分类号: E02D5/48
- IPC分类号: E02D5/48 ; E02D7/28 ; E02D7/02
摘要:
A screw-on splicer for use in driving composite pipe-shell piles and a screw-on tip for shell piles. Each has an outer diameter at least about 2 inches greater than the O.D. of the shell. An enlarged tip for shell piles, comprises a mass of concrete encased in a non-tapered corrugated shell and having a corrugated shell socket for receiving the shell stem.
公开/授权文献
- US5197218A Ice fishing pole 公开/授权日:1993-03-30
信息查询