发明名称 Swim float
摘要 A swim float constructed of a plurality of hinged sections. Core blocks are hingedly interconnected by upper and lower flexible layers. Sidewalls of adjacent flexible layers are bevelled so that the skin of a user will not be pinched therebetween. The hinges alternatingly are formed by the upper and lower flexible layers so that the swim float flexes and follows the contour of waves.
申请公布号 US4662851(A) 申请公布日期 1987.05.05
申请号 US19850753259 申请日期 1985.07.09
申请人 PACKAGING INDUSTRIES GROUP, INC. 发明人 FOSTER, JOHN K.
分类号 B63B35/73;B63C9/08;(IPC1-7):B63B35/72 主分类号 B63B35/73
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