Title:
TUBE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/043186
Kind Code:
A1
Abstract:
The present invention provides a tube structure comprising: a tube body having therein a movement path along which a traveling body moves; and a reinforcing block that is made of a different material from the tube body and coupled to the tube body along the longitudinal direction of the tube body to reinforce the tube body, wherein the reinforcing block has a contact surface in surface contact with the outer surface of the tube body, and the contact surface extends along the longitudinal direction of the reinforcing block.
Inventors:
CHO WOO-YEON (KR)
Application Number:
PCT/KR2022/013720
Publication Date:
March 23, 2023
Filing Date:
September 14, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
E01B25/30; B61B13/10; E01B25/24
Domestic Patent References:
| WO2021052991A1 | 2021-03-25 |
Foreign References:
| CN1264660A | 2000-08-30 | |||
| KR102266481B1 | 2021-06-17 | |||
| KR101853924B1 | 2018-05-02 | |||
| CN1569537A | 2005-01-26 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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