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Patent Searching and Data


Title:
SURFACE SEAMLESS STEEL RAIL
Document Type and Number:
WIPO Patent Application WO/2021/114725
Kind Code:
A1
Abstract:
Provided by the present invention is a surface seamless steel rail, comprising a right connector located on one side of the steel rail, a left connector located on the other side of the steel rail, and a seamless spring piece located above the steel rail. The left connector and the right connector have plug parts that are embedded and engage with each other; the seamless spring piece has a fixed end part at one end and a free end part at the other end; the fixed end part is fixedly connected above the plug part of one of the left connector or the right connector; an arc groove is provided at the inner part of the other of the left connector or the right connector; and the free end part of the seamless spring piece is fitted and inserted into the arc groove.

Inventors:
ZHU SHOULIAN (US)
Application Number:
PCT/CN2020/111239
Publication Date:
June 17, 2021
Filing Date:
August 26, 2020
Export Citation:
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Assignee:
SUZHOU TRUERUN ENVIRONMENT TECH LTD (CN)
International Classes:
E01B11/26; E01B5/08
Foreign References:
CN110939021A2020-03-31
CN208072098U2018-11-09
CN107841909A2018-03-27
GB191307094A1913-07-31
US1856648A1932-05-03
US1346384A1920-07-13
CN208965320U2019-06-11
Attorney, Agent or Firm:
JUN HE LAW OFFICES (CN)
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