Title:
INTERLOCK ANCHOR ROD FOR CONCRETE AND A BIT OF DRILL FOR ENLARGING THE EARTHEN HOLE
Document Type and Number:
WIPO Patent Application WO/2001/044584
Kind Code:
A1
Abstract:
Said interlock anchor rod comprises a rod (5) and a wedge (6). Said rod (5) is a metal rod, which has notches (1-8) at the end thereof. Said bit of drill comprises an anchor rod (2), head of chisel (3) and a base (4). Said head of chisel (3) is formed of two petals. This invention is realized by interlocking the anchor rod and the bit of drill.
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Inventors:
GAO ZUOPING (CN)
ZHOU JIANBO (CN)
YANG HANCHENG (CN)
CHENG MINGXIANG (CN)
LU YIYAN (CN)
GAN LIANGXIU (CN)
ZHOU JIANBO (CN)
YANG HANCHENG (CN)
CHENG MINGXIANG (CN)
LU YIYAN (CN)
GAN LIANGXIU (CN)
Application Number:
PCT/CN2000/000523
Publication Date:
June 21, 2001
Filing Date:
November 28, 2000
Export Citation:
Assignee:
GAO ZUOPING (CN)
ZHOU JIANBO (CN)
YANG HANCHENG (CN)
CHENG MINGXIANG (CN)
LU YIYAN (CN)
GAN LIANGXIU (CN)
ZHOU JIANBO (CN)
YANG HANCHENG (CN)
CHENG MINGXIANG (CN)
LU YIYAN (CN)
GAN LIANGXIU (CN)
International Classes:
B23B51/00; E02D5/80; (IPC1-7): E02D5/74
Foreign References:
| CN2270073Y | 1997-12-10 | |||
| US4843785A | 1989-07-04 | |||
| US5469675A | 1995-11-28 | |||
| US5096333A | 1992-03-17 |
Attorney, Agent or Firm:
BEIJING PATENT AGENCY (16 Xizhimen Nandajie Xicheng District Beijing 5, CN)
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