FLOAT MADE OF SYNTHETIC RESIN

PROBLEM TO BE SOLVED: To provide a float with a buoyant cylindrical part used for making a course rope float for a swimming pool or the like which is excellent either in the prevention of scratching and the buoyancy. SOLUTION: The cylindrical part 12 of the float 2 is formed in a multi-layer structu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NISHIDA MASATOSHI, IKEGUCHI SHIGETAKA, KAMESHITA TAKAYUKI, KOMATSU HIROKAZU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a float with a buoyant cylindrical part used for making a course rope float for a swimming pool or the like which is excellent either in the prevention of scratching and the buoyancy. SOLUTION: The cylindrical part 12 of the float 2 is formed in a multi-layer structure with a plurality of synthetic resin foam layers 4, 6, 8 and 10 laminated. The innermost synthetic resin foam layer 4 is formed out of a high-density synthetic resin foam material sufficiently withstanding scratching, the intermediate synthetic resin foam layers 6 and 8 are formed out of a low-density synthetic resin foam material able to hold a sufficient buoyancy and the outermost synthetic resin foam layer 10 is formed out of a low density synthetic resin foam material with a better skin touch. COPYRIGHT: (C)2006,JPO&NCIPI