Air pressure assisted beltless holddown for double backer
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Mar 4, 1998
filing date -
Mar 4, 1998
priority date (Note) -
Expired
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Abstract
An essentially non-contact holddown system for a corrugator double backer utilizes air pressure supplied by a plenum positioned above and closely spaced from the lower heating section which supports the corrugated web. Continuous edge sealing membranes seal the interface between the lateral edges of the plenum and the web, and overlie the edges of the web so that the seal is enhanced by the holddown pressure.
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