Pipe joint, push ring for pipe joint, method for joining pipes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11746937
APP PUB NO 20210095798A1
SERIAL NO

16981872

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Importance

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Abstract

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A pipe joint in which a seal body and a spacer are mounted from the insides of pipes, wherein: a spigot of one pipe is inserted into a socket of the other pipe; and an annular accommodation space is formed between the inner circumference of the socket and the outer circumference of the spigot. Inside the accommodation space are accommodated: a seal body for sealing the gap between the socket and the spigot; a push ring that presses the seal body to keep the seal body in a compressed state; and a spacer that maintains the interval between the push ring and the deep end of the socket in the pipe axial direction.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KUBOTA CORPORATIONOSAKA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Kazuma Amagasaki, JP 6 0
Ikeda, Kohei Amagasaki, JP 26 62
Ito, Kazuya Amagasaki, JP 37 619
Kishi, Shozo Osaka, JP 19 68
Komaru, Yuito Amagasaki, JP 6 2
Oda, Keita Amagasaki, JP 11 17
Tanaka, Ryunosuke Amagasaki, JP 5 4

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