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)
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:
Assignee:
KUBOTA KK (JP)
International Classes:
F16L21/08
Domestic Patent References:
WO2017169531A1 | 2017-10-05 |
Foreign References:
JP2002327594A | 2002-11-15 | |||
JP2003185069A | 2003-07-03 | |||
JP2005337269A | 2005-12-08 | |||
JP2006070994A | 2006-03-16 | |||
JP2006070994A | 2006-03-16 |
Other References:
See also references of EP 3770475A4
Attorney, Agent or Firm:
MORIMOTO INT'L PATENT OFFICE (JP)
Download PDF: