BOOT

WIPO Patent Application WO/2023/149568

A1

A boot according to the present invention is formed in a cylindrical shape expandable and contractable in the X-axis direction and can be attached to an attachment portion O1 of an object O of attachment by having fluid injected therein by a fluid injection means FI. A boot 1: comprises an annular attached portion 11 which is provided on the one end 1a side in the X-axis direction and which is attached to the attachment portion O1, an abutment portion 12 which is provided on the other end 1b side in the X-axis direction and against which a leading end FIa of the fluid injection means FI can abut along the X-axis direction toward the one end 1a side in the X-axis direction, and an expansion and contraction portion EC extending along the X-axis direction between the attached portion 11 and the abutment portion 12; and is structured such that the abutment portion 12 extends along the radial direction on the other end 1b side of the boot 1 in the X-axis direction and is formed in an annular shape along the circumferential direction around the X-axis of the boot 1, and an opening portion 12a that allows fluid to communicate therethrough between the inside and the outside of the boot 1 is provided in the radially inner side of the abutment portion 12. With such a structure, it is possible to provide a boot that can be attached to a mounting portion of an object of attachment with ease.

SUGIMURA MASACHIKA (JP)

PCT/JP2023/003695

August 10, 2023

February 06, 2023

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HI LEX CORP (JP)

F16J3/04; F16J15/52

JP2010007769A	2010-01-14
JP2009068510A	2009-04-02
JP2013036579A	2013-02-21
JPS62188855A	1987-08-18

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