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Patent Searching and Data


Title:
BOX STEEL STRUCTURE PIPE CORRUGATED STEEL PLATE, AND STEEL STRUCTURE CABLE UTILITY TUNNEL
Document Type and Number:
WIPO Patent Application WO/2020/228397
Kind Code:
A1
Abstract:
A box steel structure pipe corrugated steel plate, formed by bending an arched corrugated steel plate. The bent steel plate comprises two or three arched bending surfaces (1); the bending surfaces (1) are respectively used as the top plate, bottom plate, or side plate of a box steel structure pipe. Also provided is a steel structure cable utility tunnel using the box steel structure pipe corrugated steel plate.

Inventors:
ZHAN FUJUN (CN)
Application Number:
PCT/CN2020/077924
Publication Date:
November 19, 2020
Filing Date:
March 05, 2020
Export Citation:
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Assignee:
NANJING LIANZHONG ENGINEERING TECH CO LTD (CN)
International Classes:
E02D29/045; F16L9/06
Domestic Patent References:
WO2013023275A12013-02-21
Foreign References:
CN106090450A2016-11-09
CN207405731U2018-05-25
CN203654156U2014-06-18
CN204491666U2015-07-22
KR20110093325A2011-08-18
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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