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Title:
METHOD AND DEVICE FOR FORMING THREAD ON REINFORCING ROD END
Document Type and Number:
WIPO Patent Application WO/2010/022552
Kind Code:
A1
Abstract:
A device for forming the thread on the reinforcing rod end is positioned with expanding tools with at least two times. The device includes chamfering, skimming and threading tools (4), expanding and limiting units (3), arm expanding wedge blocks (2), and blade carriers (43) with several locating surfaces. The device can chamfer, skim and roll the end of the reinforcing rod, so as to form the thread. The device has simple structures and convenient operation.

Inventors:
WU, Xiaoxing (Beisanhuan Donglu No.30, Chaoyang District, Beijing 3, 100013, CN)
吴晓星 (中国北京市朝阳区北三环东路30号, Beijing 3, 100013, CN)
Application Number:
CN2008/002020
Publication Date:
March 04, 2010
Filing Date:
December 17, 2008
Export Citation:
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Assignee:
CABR TECHNOLOGY CO., LTD. (Beisanhuan Donglu No.30, Chaoyang District, Beijing 3, 100013, CN)
建研科技股份有限公司 (中国北京市朝阳区北三环东路30号, Beijing 3, 100013, CN)
WU, Xiaoxing (Beisanhuan Donglu No.30, Chaoyang District, Beijing 3, 100013, CN)
International Classes:
B21H3/02; B23G1/04; E04C5/03
Foreign References:
US5776001A
CN2538449Y
CH604951A5
CN2394745Y
GB2162915A
Attorney, Agent or Firm:
KINGSOUND & PARTNERS (11/F, Block BKingSound International Center, 116 Zizhuyuan Road, Haidian District, Beijing 7, 100097, CN)
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