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Patent Searching and Data


Title:
METHOD FOR CUTTING CONCRETE MEMBER
Document Type and Number:
WIPO Patent Application WO/2022/131206
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an easy-to-use and efficient method for cutting a concrete member, in particular, a method that is for cutting a reinforced concrete member, that makes it easy to increase cutting depth and cutting width, and that is low in cutting cost. To achieve the purpose, the present invention provides a method for cutting a concrete member through irradiation of the concrete member with laser, the method being characterized in that: the concrete member includes a steel material; concrete is melted by scanning laser thereon to form a cutting region; the steel material is heated by means of laser to a temperature that causes progression of self-burning of the steel material; and the melting of the concrete is expedited by heat generation from said self-burning.

Inventors:
KAWAHITO YOUSUKE (JP)
HORI MUNEO (JP)
SHIMANE YASUHIRO (JP)
MATSUI YOUHEI (JP)
KAMEDA TOSHIHIRO (JP)
MADDEGEDARA LALITH WIJERATHNE (JP)
YOSHIDA HIROYUKI (JP)
OTA KOHEI (JP)
NAKADA TATSUYA (JP)
MASE TATSUYA (JP)
Application Number:
PCT/JP2021/045807
Publication Date:
June 23, 2022
Filing Date:
December 13, 2021
Export Citation:
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Assignee:
JAPAN AGENCY MARINE EARTH SCI (JP)
TOKYO ELECTRIC POWER SERVICES CO LTD (JP)
International Classes:
B23K26/38; B26F3/16; B28D1/22; E04G23/08
Foreign References:
JP2020099918A2020-07-02
JPH069769U1994-02-08
JP2000170473A2000-06-20
US20060032843A12006-02-16
Attorney, Agent or Firm:
IPR CONSULTANT PPC (JP)
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