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Patent Searching and Data


Title:
FACILITY AND METHOD FOR MANUFACTURING ELECTROSEAMED METAL TUBE
Document Type and Number:
WIPO Patent Application WO/2020/255264
Kind Code:
A1
Abstract:
This facility for manufacturing an electroseamed metal tube is provided with: a pair of crushing rolls 41 which are disposed on either side of a metal band 1, and which are pressed against inner surface side corner portions of the metal band 1 in order to form inclined surfaces on the inner surface side corner portions, before the side edges of the metal band are caused to abut one another; crushing roll adjustment mechanisms 42 for adjusting loads pressing the crushing rolls 41 against the inner surface side corner portions, by changing the separation distance between the pair of crushing rolls 41; and crushing roll load gauges 43 for measuring the loads pressing the crushing rolls 41 against the inner surface side corner portions.

Inventors:
OMOSAKO KOUJI (JP)
AKIDUKI MAKOTO (JP)
IGAWA SHIGENOBU (JP)
MAKIHARA YASUMASA (JP)
TANAKA RYOTA (JP)
Application Number:
PCT/JP2019/024140
Publication Date:
December 24, 2020
Filing Date:
June 18, 2019
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
NIPPON STEEL COATED STEEL PIPE CO LTD (JP)
International Classes:
B23K13/00; B21C37/08
Domestic Patent References:
WO2018147389A12018-08-16
Foreign References:
JPS5823289U1983-02-14
JPH04300019A1992-10-23
JP2001259733A2001-09-25
JP2015147239A2015-08-20
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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