发明名称 Method of manufacturing paper tube corner posts
摘要 An improved method of manufacturing support posts that are commonly formed from wound paper tubes. With this invention, a number of material layers are laminated together and formed in a continuous manner while they are still pliable. Materials are taken from a number of rolls that is equal to the number of layers required within the finished product. The individual layers are drawn through a glue station where adhesive is applied between each layer. The finished shape is created by bringing together all of the layers, then progressively folding them around a heated mandrel that has been shaped to match the inner hollow space of a formed paper tube corner post design.
申请公布号 US2012247603(A1) 申请公布日期 2012.10.04
申请号 US201113135719 申请日期 2011.07.14
申请人 SIMMS WALTER BRIAN 发明人 SIMMS WALTER BRIAN
分类号 F16L9/14;B31C11/04 主分类号 F16L9/14
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