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Title:
PIPE BRANCH STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/029390
Kind Code:
A1
Abstract:
This pipe branch structure has a main pipe and a plurality of branch couplings disposed one by one in a plurality of branch positions set between both axial ends of the main pipe, wherein: a horizontal hole is formed at the branch position of the main pipe; the branch couplings are each provided with a cylindrical part attached to the outer circumference of the main pipe, a branch part in which a passage communicating with the inside of the cylindrical part is formed and to which the branch pipe is connected, and a seal member for sealing the gap between the main pipe and the cylindrical part; and the cylindrical part is attached to the outer circumference of the main pipe in a state in which the horizontal hole and the passage of the branch part communicate with each other.

More Like This:
WO/1990/012238INTERNAL EXPANSION COUPLING DEVICE
JP2004197881MALE STRUCTURE AND FEMALE STRUCTURE OF JOINT, PIPE JOINT AND FLUID APPARATUS
Inventors:
OKADA HIROYUKI (JP)
Application Number:
PCT/JP2020/030473
Publication Date:
February 18, 2021
Filing Date:
August 07, 2020
Export Citation:
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Assignee:
SANOH IND CO LTD (JP)
International Classes:
F16L41/08
Foreign References:
KR20170037212A2017-04-04
EP3385592A12018-10-10
JP2003004187A2003-01-08
JPH0559083U1993-08-03
KR20170012533A2017-02-02
JPS6262091U1987-04-17
JPH04119290A1992-04-20
JPH0511435Y21993-03-22
JP2019147972A2019-09-05
Other References:
See also references of EP 4012241A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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