发明名称 Apparatus for making nonwoven fabrics having raised portions
摘要 A topographical support member and a method of forming a topographical support member for use in producing nonwoven fabrics with raised portions, especially intaglio and slub type portions. The topographical support member comprises a body having a top surface including a first micro-sized topographical pattern and a pattern of apertures extending through the body. At least one macro-sized region recessed below the top surface is provided. The micro-sized pattern produces a background portion of the fabric and the macro-sized recessed regions produce the raised portions of the fabric. Multiple levels may be provided in the macro-sized region to produce multiple level raised portions.
申请公布号 US5822833(A) 申请公布日期 1998.10.20
申请号 US19970799638 申请日期 1997.02.10
申请人 MCNEIL-PPC, INC. 发明人 JAMES, WILLIAM A.;KELLY, WILLIAM G. F.
分类号 B23K26/38;D04H1/46;D04H3/07;D04H17/00;(IPC1-7):D04H1/46 主分类号 B23K26/38
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