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:
Dec. 23, 2014

Filed:

Jun. 04, 2010
Applicants:

Hirofumi Inagaki, Tokyo, JP;

Yasuhiro Iida, Tokyo, JP;

Keiji Kanai, Tokyo, JP;

Makoto Kobayashi, Tokyo, JP;

Akira Sakaguchi, Nagoya, JP;

Taro Arikawa, Yokosuka, JP;

Hirohide Kimura, Tokyo, JP;

Hisanobu Nagatomo, Tokyo, JP;

Kazuyoshi Kihara, Tokyo, JP;

Inventors:

Hirofumi Inagaki, Tokyo, JP;

Yasuhiro Iida, Tokyo, JP;

Keiji Kanai, Tokyo, JP;

Makoto Kobayashi, Tokyo, JP;

Akira Sakaguchi, Nagoya, JP;

Taro Arikawa, Yokosuka, JP;

Hirohide Kimura, Tokyo, JP;

Hisanobu Nagatomo, Tokyo, JP;

Kazuyoshi Kihara, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B 3/06 (2006.01);
U.S. Cl.
CPC ...
E02B 3/06 (2013.01);
Abstract

The present invention provides a movable breakwater that can do with a small amount of compressed air supplied to raise the buoyant steel pipe. The buoyant steel pipeincludes a buoyancy tankin which gas is filled, an air chamberprovided above the buoyancy tank, a penetration pipethat penetrates through the buoyancy tankand feeds compressed air supplied from a pressure accumulator tankto the air chamber, and an open chamber, whose top side is open, provided above the air chamberand in the buoyant steel pipeat the upper end portion thereof.


Find Patent Forward Citations

Loading…