Method and apparatus for manufacturing paper tube
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
Aug 24, 1995
filing date -
Aug 29, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The moisture content of a base paper for manufacturing a paper tube is controlled to a predetermined value. Water-soluble adhesive is applied to a side of the base paper in such a small amount as to cause the adhesive to ridge on the side of the base paper, and the ridging adhesive is uniformly smoothed over the side of the base paper. The base paper is wound into a tube.
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