Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 9, 2008
Patent Application Number
11578204
Date Filed
April 28, 2005
Patent Primary Examiner
Patent 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 (2) is formed of a flexible membrane made of rubber or resin, in which a reinforcement layer (C) is buried. A flange opening (4) having a gas inlet is fixed to at least one position of the hollow structure (2). Buoyancy thereof can be controlled by using an internal pressure of a gas injected in the hollow structure (2).
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