发明名称 RING FORM BUOYANCY MEMBER UTILIZING TRANSPORTING HOSE UTILIZING OCEAN OR RIVER
摘要 <p>An annular-shaped buoyancy element for transport hoses which are used on water includes two generally semicircular-shaped buoyancy members, each of which includes a core made of foam plastic material completely encased in a sheath made of polymer material. Each of the semicircular members having coupling means mounted on each of the end faces thereof for coupling the members together. The members also have in a relaxed condition thereof, a radially extending V-shaped groove formed in its interior face, adjacent to the center thereof.</p>
申请公布号 JPS5389023(A) 申请公布日期 1978.08.05
申请号 JP19770129210 申请日期 1977.10.27
申请人 PHOENIX GUMMIWERKE AG;EDDELBUETTEL & SCHNEIDER 发明人 FURITSUTSU HORANDAA;KURAUSU SHIYUNAIDAA
分类号 F16L1/12;B63B21/20;F16L1/24 主分类号 F16L1/12
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