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Patent Searching and Data


Title:
CONNECTION METHOD FOR COUPLING PIPE
Document Type and Number:
WIPO Patent Application WO/2019/198149
Kind Code:
A1
Abstract:
The present invention requires no large-scale construction and makes it unnecessary for workers to work near a connection location of a main pipe and a coupling pipe. The present invention comprises: a first step for preparing a coupling pipe 101 having an end wall 101c, a guide hole 101d penetrating the end wall 101c, and a seal ring 106 provided to the end wall 101c; a second step for forming insertion holes in structures 105, 300 provided on the outer side of a body 100 by using a punching machine; a third step for inserting the coupling pipe 101 in an insertion hole 302; a fourth step for abutting the end wall 101c of the coupling pipe 101 inserted into the insertion hole 302 against the body 100; a fifth step for applying a prescribed water pressure to the coupling pipe 101; a sixth step for forming a hole at the connection location of the body 100 and the coupling pipe 101 by using the punching machine, where the hole centers on the guide hole 101d; and a seventh step for attaching a branch structure to the hole by using a fixture.

Inventors:
YONEDA TOYOHIKO (JP)
YONEDA TETSUZO (JP)
DOMAN NORIO (JP)
Application Number:
PCT/JP2018/015079
Publication Date:
October 17, 2019
Filing Date:
April 10, 2018
Export Citation:
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Assignee:
YONE CORP (JP)
International Classes:
F16L41/06; F16L1/028
Domestic Patent References:
WO2014148645A12014-09-25
Foreign References:
JP2001355759A2001-12-26
JPH062356A1994-01-11
JPH09170258A1997-06-30
JPH01193494A1989-08-03
JP2000028035A2000-01-25
JPH07310863A1995-11-28
JPH06100299B21994-12-12
JP2009041758A2009-02-26
US20140248088A12014-09-04
Attorney, Agent or Firm:
MINORI PATENT PROFESSION CORPORATION (JP)
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