公开(公告)号：US20210079937A1

公开(公告)日：2021-03-18

申请号：US16642746

申请日：2018-09-27

Applicant: KYB Corporation

Inventor： Toshio KOBAYASHI ,  Kazuhiko MATSUMOTO ,  Norifumi IMAI ,  Takahiro HIKASA

IPC: F15B15/14 ,  F16J12/00 ,  B23K26/282

Abstract: A pressure resistant device includes a tubular main body portion, a lid portion having a wall portion joined to the main body portion, a positioning portion provided to oppose an inner peripheral surfaces of the main body portion and the wall portion, and a groove portion formed on the inner peripheral surface, and the positioning portion is provided to oppose an edge of the groove portion.

公开(公告)号：US20190128291A1

公开(公告)日：2019-05-02

申请号：US16093710

申请日：2017-04-13

Applicant: KYB Corporation

Inventor： Toshio KOBAYASHI ,  Kazuhiko MATSUMOTO ,  Norifumi IMAI ,  Takahiro HIKASA

IPC: F15B15/28 ,  F15B15/14

Abstract: A pressure resistant apparatus includes a cylindrical body portion, and a lid portion having an annular wall portion, end portions of the body portion and the wall portion being joined to each other to close an opening of the body portion by the lid portion, wherein an annular first groove portion is formed to extend in a peripheral direction on at least one of inner peripheral surfaces of the body portion and the wall portion, and an inner diameter of the first groove portion is larger than inner diameters of the body portion and the end portion of the wall portion.