发明名称 METHOD FOR THE CONTINUOUS MANUFACTURE OF PLASTIC FOAM
摘要 A method for continuously manufacturing a plastic foam reinforced by at least one fibrous web comprising continuously conveying a carrier along a production l ine, supplying on top of the carrier a foam-forming mixture and at least one continuo usly moving fibrous web, the web having holes penetrable by the mixture, the mixture being supplied above both the web and the carrier or below the web and between the web and the carrier, passing the carrier, mixture and web between two spaced opposed con stricting members which lie one above the other and form therebetween a metering gap for distributing the mixture over the carrier and web, and allowing the mixture afte r passing through the gap to freely expand and penetrate the holes of the web to form a re inforced plastic foam which has an exceptionally flat surface.
申请公布号 CA2227073(A1) 申请公布日期 1998.08.14
申请号 CA19982227073 申请日期 1998.01.14
申请人 CELOTEX CORPORATION 发明人 SIMPSON, ROBERT W.;BARRY, LEON F.
分类号 B29C44/12;B29C44/32;B29C70/50;(IPC1-7):B29C44/56;B29C44/22 主分类号 B29C44/12
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