发明名称 A METHOD AND AN APPARATUS FOR PRODUCING WEB-SHAPED PLASTIC FOIL
摘要 <p>PCT No. PCT/SE95/00865 Sec. 371 Date Mar. 5, 1997 Sec. 102(e) Date Mar. 5, 1997 PCT Filed Jul. 17, 1995 PCT Pub. No. WO96/04120 PCT Pub. Date Feb. 15, 1996A method and an apparatus for producing web-shaped plastic foil (19) is described, in which granulate or pulverulent polymer and particulate finer are intermingled, whereafter the mixture is extruded through a die aperture (18) for forming the finished plastic foil. In order to facilitate the intermingling of the above-disclosed starting materials, the granulate or pulverulent polymer is plasticized and de-aired prior to the admixture of the particulate filler.</p>
申请公布号 EP0773863(B1) 申请公布日期 2001.12.19
申请号 EP19950926568 申请日期 1995.07.17
申请人 TETRA LAVAL HOLDINGS & FINANCE SA 发明人 ROSEN, AKE
分类号 B29C47/10;B29C47/38;B29C47/76;B29L7/00;(IPC1-7):B29C47/38 主分类号 B29C47/10
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