TUBE JOINT

WIPO Patent Application WO/2024/024580

A1

This tube joint for connecting two tubes comprises: a female connector including an inserted portion that is recessed in an axial direction, which is an insertion direction; and a male connector having a protruding insertion portion that is inserted into the inserted portion in the axial direction. The female connector additionally comprises: a pressing member; an internal sealing member; a spring; an outer circumferential member which is connected to one end of the spring, is urged in the opposite direction to the axial direction, and abuts the internal sealing member when the male connector has not been inserted; a spring accommodating portion; an external sealing member which seals a gap between the female connector and the male connector when the male connector has been inserted; and an annular member which covers the external sealing member and the spring accommodating portion. The annular member has a recessed portion positioned between the external sealing member and the spring accommodating portion in the axial direction.

WO/2022/166580	FLUID CONNECTOR, AND SEALING STRUCTURE
WO/2008/087457	COUPLING ASSEMBLY WITH VALVES
WO/2023/278661	GENDERLESS ASEPTIC CONNECTOR

MATSUI SHIGEYOSHI
MATSUDA TOSHIHIKO

PCT/JP2023/026313

February 01, 2024

July 18, 2023

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PANASONIC IP MAN CO LTD (JP)

F16L37/367

CN210462080U	2020-05-05
JPH0267194U	1990-05-21
JP2016089932A	2016-05-23
JP2000055273A	2000-02-22
CN113566040A	2021-10-29

KAMATA Kenji et al. (JP)

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