发明名称 Carpet underlay comprising foamed scrap particles
摘要 A carpet underlay and method of making same are provided wherein the carpet underlay comprises a layer of bonded scrap particles of flexible elastomeric foam and at lest another layer bonded against the layer of bonded scrap particles free of additional adhesive means between layers.
申请公布号 US4037013(A) 申请公布日期 1977.07.19
申请号 US19750629745 申请日期 1975.11.07
申请人 DAYCO CORPORATION 发明人 SPRAGUE, GEORGE R.
分类号 B32B5/16;D06M17/00;D06N7/00;(IPC1-7):B32B5/24;B32B5/30 主分类号 B32B5/16
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