发明名称 Ink pad having layer of compressed non-woven polypropylene filament and method of making
摘要 A substantially rigid ink pad assembly made of a first layer of a non-woven polypropylene filament bonded in an adhesive which is compressed and heated to a rigid form. The first layer is then thermally bonded to a thin layer of suede-like fabric which layered ink pad is contained in an open top tray.
申请公布号 US6640709(B1) 申请公布日期 2003.11.04
申请号 US20020173517 申请日期 2002.06.18
申请人 LOWRANCE BOBBY KENNETH 发明人 LOWRANCE BOBBY KENNETH
分类号 B41K1/54;(IPC1-7):B41K1/50 主分类号 B41K1/54
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