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.
Patent No.:
Date of Patent:
Sep. 09, 2008
Filed:
Apr. 28, 2005
Applicants:
Masashi Wakabayashi, Hiratsuka, JP;
Michito Kaneko, Hiratsuka, JP;
Inventors:
Masashi Wakabayashi, Hiratsuka, JP;
Michito Kaneko, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B 59/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a flexible buoy lightweight, excellent in workability, and excellent in durability preventing the buoy from being damaged by contact and collision with another object. An airtight hollow structure () is formed of a flexible membrane made of rubber or resin, in which a reinforcement layer (C) is buried. A flange opening () having a gas inlet is fixed to at least one position of the hollow structure (). Buoyancy thereof can be controlled by using an internal pressure of a gas injected in the hollow structure ().