Pressure plate arrangement for production of multilayer corrugated cardboard
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United States of America Patent
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Jul 10, 2001
Grant Date -
N/A
app pub date -
Apr 5, 1999
filing date -
Apr 8, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a pressure plate arrangement for joining together a plurality of material webs each comprising at least one plain web and/or at least one corrugated web, to form a corrugated cardboard web (P), at least one of the material webs being provided with adhesive at least in sections. The arrangement comprises a contact pressure unit (14) provided with a pressure plate (22), and a heatable counterpressure plate (26), between which the material webs being joined together are passed. The contact pressure unit (14) and the pressure plate (22) are arranged to be approachable to or removable from the counterpressure plate (26), wherein the pressure plate (22) is also constructed to be heatable. The invention also relates to apparatus for joining together a plurality of material webs comprising a plurality of such pressure plate arrangements.
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