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Title:
COMPOSITE PIPE COMPRISING STAINLESS STEEL PIPE, STEEL PIPE, AND ANTI-CORROSION LAYER, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/230972
Kind Code:
A1
Abstract:
A composite pipe according to the present invention has a stainless steel pipe with excellent corrosion resistance provided inside an inexpensive steel pipe with excellent strength having the exterior surface thereof treated to be anti-corrosive with resin or coating, the composite pipe thereby having excellent strength, a low price, and an excellent anti-corrosive quality and being appropriate as a pipe for drinking water.

Inventors:
BANG MANHYUK (KR)
Application Number:
PCT/KR2018/006725
Publication Date:
December 20, 2018
Filing Date:
June 14, 2018
Export Citation:
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Assignee:
BANG MANHYUK (KR)
International Classes:
F16L9/02; B21D39/04; C09J5/00; F16L58/10
Foreign References:
KR100963423B12010-06-15
JP2635358B21997-07-30
KR20090065119A2009-06-22
JP2002054766A2002-02-20
KR101680574B12016-12-01
US20160207086A12016-07-21
JPS61157889A1986-07-17
KR20030058310A2003-07-07
KR20170076402A2017-07-04
Other References:
See also references of EP 3640510A4
Attorney, Agent or Firm:
CHA, Hyeong-Seog (KR)
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