Unit for joining paper sheets together in corrugated board manufacturing equipment
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United States of America Patent
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-
Dec 5, 2000
Grant Date -
N/A
app pub date -
May 11, 1999
filing date -
May 11, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A unit for joining paper sheets together in corrugated board manufacturing equipment comprises at least one toothed or corrugated roll (1), which is mounted in such a way as to rotate about its axis; means (5, 6) for feeding and pressing at least one flat paper sheet (C2), which interact with the toothed or corrugated roll (1) in laying said flat sheet (C2) over the corrugated paper sheet (C0) conveyed by said toothed or corrugated roll (1) and gluing means (4) which apply adhesive on one of the sheets. According to the invention, the means for feeding/pressing the flat paper sheet (C2) against the corrugated paper sheet (C0) on the toothed or corrugated roll (1) consists of a roll (6) which is mounted in such a way as to rotate about its axis and parallel to the toothed or corrugated roll (1) and which is made, at least at its periphery (106) of a layer of natural or synthetic fibers or compacted blends thereof, having a certain compressibility and/or deformability.
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