Title:
WAVEFORM BEAM GUARDRAIL PLATE AND WAVEFORM BEAM STEEL GUARDRAIL
Document Type and Number:
WIPO Patent Application WO/2010/072047
Kind Code:
A1
Abstract:
A waveform beam guardrail plate and a waveform beam steel guardrail are provided. In which, the guardrail plate includes a main body (15) and two rings (16, 17) with a same structure installed axial symmetrically on an upper and a lower edges of the main body; furthermore, a transverse section of the main body has an arc shape, and the upper and lower edges of the main body of the guardrail plate are curled inwardly and helically toward a protruding direction of the main body of the guardrail plate for forming the two rings (16, 17). The waveform beam steel guardrail includes numbers of guardrail plate units (1, 11), upright posts (2) and preventing blocks (3), and the guardrail plate units (1, 11) are connected with the upright posts (2) by the preventing blocks (3).
Inventors:
LI JIANWEI (CN)
Application Number:
PCT/CN2009/001371
Publication Date:
July 01, 2010
Filing Date:
December 04, 2009
Export Citation:
Assignee:
BEIJING ZHONGTONGLU TECHNOLOGI (CN)
LI JIANWEI (CN)
LI JIANWEI (CN)
International Classes:
E01F15/04
Foreign References:
| CN2481750Y | 2002-03-13 | |||
| CN2700392Y | 2005-05-18 | |||
| JP2004360208A | 2004-12-24 | |||
| US5284326A | 1994-02-08 | |||
| EP1762660A1 | 2007-03-14 |
Other References:
See also references of EP 2369060A4
None
None
Attorney, Agent or Firm:
CHINA GOUB INTELLECTUAL PROPERTY AGENT LTD. (No. 3 BuilidingNo. 6 CheGongzhuang Road,Xicheng District, Beijing 4, CN)
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