The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 24, 2015

Filed:

Mar. 08, 2011
Applicants:

Koji Hara, Tsukubamirai, JP;

Yusuke Saito, Shibuya-ku, JP;

Toshio Sato, Tsukuba, JP;

Hironobu Imamura, Kuki, JP;

Inventors:

Koji Hara, Tsukubamirai, JP;

Yusuke Saito, Shibuya-ku, JP;

Toshio Sato, Tsukuba, JP;

Hironobu Imamura, Kuki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D 45/16 (2006.01); F15B 15/14 (2006.01);
U.S. Cl.
CPC ...
F15B 15/1438 (2013.01); F15B 15/1404 (2013.01); F15B 15/1471 (2013.01);
Abstract

A pair of penetrating holes are formed along a longitudinal direction in the interior of a cylinder body that constitutes a fluid pressure cylinder. One end of the pair of penetrating holes is sealed by a pair of caps formed in plate-like shapes. The caps, for example, are formed by press molding a plate body made up from a metal material such as aluminum or the like. Outer edge portions of the caps include bent portions, which are inclined at a predetermined angle in a radial outward direction. In addition, the caps are installed by means of the bent portions biting into inner circumferential surfaces of the penetrating holes.


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