发明名称 Method of making multilayer product having honeycomb core of improved strength
摘要 A process of making a multilayered product having an interior honeycomb layer or core. The interior layer is formed by extruding a generally corrugated web of material. The corrugated web is cut and folded to create the honeycomb core. Outer protective skins are applied to exterior surfaces of the interior layer to create a multilayered material which is then cut to size.
申请公布号 US8454781(B2) 申请公布日期 2013.06.04
申请号 US201113085923 申请日期 2011.04.13
申请人 BRADFORD JUDSON A.;BRADFORD COMPANY 发明人 BRADFORD JUDSON A.
分类号 B31D3/02;B29C47/00 主分类号 B31D3/02
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