Method of manufacturing paper tube corner posts
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Jul 14, 2011
filing date -
Mar 29, 2011
priority date (Note) -
Abandoned
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Abstract
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.
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