COMPOSITE PIPE MADE BY WELDING MAIN PART AND SHORT PIPE, AND CONNECTION STRUCTURE THEREOF

Title:

COMPOSITE PIPE MADE BY WELDING MAIN PART AND SHORT PIPE, AND CONNECTION STRUCTURE THEREOF

Document Type and Number:

WIPO Patent Application WO/2022/092640

Kind Code:

A1

Abstract:

The composite pipe according to the present invention is made by joining a main part and a short pipe, wherein an inner pipe of the main part is joined to the inner surface of the short pipe without any bending or difference between the surfaces to allow the inner pipe to be firmly joined.

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Inventors:

BANG MANHYUK (KR)

Application Number:

PCT/KR2021/014286

Publication Date:

May 05, 2022

Filing Date:

October 14, 2021

Export Citation:

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Assignee:

BANG MANHYUK (KR)

International Classes:

F16L9/04; F16L23/024; F16L58/00

Foreign References:

JP2020523542A	2020-08-06
KR20200119025A	2020-10-19
KR101960492B1	2019-03-20
KR20190083934A	2019-07-15
KR101870297B1	2018-06-22
KR20200143991A	2020-12-28

Attorney, Agent or Firm:

CHA, Hyeong-Seog (KR)

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