发明名称 Device on needling machines for the production of needle-bonded fabric webs or the like
摘要 A device on needling machines for the production of needle-bonded fabric webs or the like, having above the fiber fleece to be needled a holding-down means provided with openings for the needles, with plugs of elastic material, to be pierced by the needles, being inserted into the needle openings of said holding-down means, which plugs surround the needle shafts, and their lower faces are flush or approximately flush with the underside of the holding-down means.
申请公布号 US5016331(A) 申请公布日期 1991.05.21
申请号 US19890359986 申请日期 1989.06.01
申请人 OSKAR DILO MASCHINENFABRIK K.G 发明人 DILO, JOHANN P.
分类号 D04H18/00 主分类号 D04H18/00
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