发明名称 Spherical object useful as filler material
摘要 Down-like synthetic filler material comprises a spherical object made up of filamentary material with a denser concentration of filaments near the surface of the spherical object than the filament concentration spaced apart from the surface.
申请公布号 US4065599(A) 申请公布日期 1977.12.27
申请号 US19750633077 申请日期 1975.11.18
申请人 TORAY INDUSTRIES, INC. 发明人 NISHIUMI, SHIRO;HASEGAWA, SHOICHI;MIZOGUCHI, TOSHIYUKI;FURUTA, SACHIKO
分类号 B68G1/00;D04H3/07;(IPC1-7):B32B27/02 主分类号 B68G1/00
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