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US 2021/0079937 A1Published application
Pressure resistant device and fluid pressure cylinder
AssigneeKYB Corporation
InventorsToshio KOBAYASHI, Kazuhiko MATSUMOTO, Norifumi IMAI, Takahiro HIKASA
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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.
Claims6
A pressure resistant device, comprising:
- a tubular main body portion;
- a lid portion having an annular wall portion, the wall portion and the main body portion being joined to each other to close an opening of the main body portion;
- a positioning portion provided to oppose at least one of inner peripheral surfaces of the main body portion and the wall portion, the positioning portion being configured to determine relative positions of the main body portion and the lid portion;
- and
- a groove portion formed on the at least one of the inner peripheral surfaces of the main body portion and the wall portion, the groove portion extending in the circumferential direction, wherein
- the positioning portion is provided to oppose an edge of the groove portion.
3 more elements
Dependencies are inferred from the claim text.