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Patent Searching and Data


Title:
PIPE JOINT, PUSH RING FOR PIPE JOINT, METHOD FOR JOINING PIPES
Document Type and Number:
WIPO Patent Application WO/2019/181918
Kind Code:
A1
Abstract:
Provided is a pipe joint 1 in which a seal body 26 and a spacer 30 are mounted from the insides of pipes 2, 4, wherein: an insertion port 5 of one pipe 4 is inserted into a socket 3 of the other pipe 2; and an annular accommodation space 25 is formed between the inner circumference of the socket 3 and the outer circumference of the insertion port 5. Inside the accommodation space 25 are accommodated: a seal body 26 for sealing the gap between the socket 3 and the insertion port 5; a push ring 29 which presses the seal body 26 to keep the seal body 26 in a compressed state; and a spacer 30 which maintains the gap between the push ring 29 and the deep end of the socket 3 in the pipe axial direction.

Inventors:
KISHI SHOZO (JP)
ITO KAZUYA (JP)
HARADA KAZUMA (JP)
ODA KEITA (JP)
TANAKA RYUNOSUKE (JP)
IKEDA KOHEI (JP)
KOMARU YUITO (JP)
Application Number:
PCT/JP2019/011384
Publication Date:
September 26, 2019
Filing Date:
March 19, 2019
Export Citation:
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Assignee:
KUBOTA KK (JP)
International Classes:
F16L21/08
Domestic Patent References:
WO2017169531A12017-10-05
Foreign References:
JP2002327594A2002-11-15
JP2003185069A2003-07-03
JP2005337269A2005-12-08
JP2006070994A2006-03-16
JP2006070994A2006-03-16
Other References:
See also references of EP 3770475A4
Attorney, Agent or Firm:
MORIMOTO INT'L PATENT OFFICE (JP)
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