发明名称 EXTRUDED CYLINDER WITH A SOLID WOOD EXTERIOR
摘要 A method and is disclosed for the production of winding cores having a solid wood exterior. The method comprises adhering a plurality of staves about the exterior of the extruded wood core, such that those staves form a shell.
申请公布号 US2009145994(A1) 申请公布日期 2009.06.11
申请号 US20080328800 申请日期 2008.12.05
申请人 DUNN RANDOLPH A 发明人 DUNN RANDOLPH A.
分类号 B65H81/06;E04C3/12 主分类号 B65H81/06
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