Single facer having an auxiliary nip
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United States of America Patent
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Sep 14, 1999
Grant Date -
N/A
app pub date -
Aug 14, 1997
filing date -
Aug 14, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single facer including an auxiliary nip providing an adjustable auxiliary force acting upon a corrugated medium web and a liner web for effective bonding therebetween to form a single faced board is disclosed. An endless belt cooperates with a corrugating roll thereby defining a primary nip. The endless belt is guided over a plurality of belt rolls wherein one of the belt rolls defines an auxiliary nip for providing an auxiliary force pressing the endless belt and the liner web together with the flutes of the medium web. An adjustment means is provided for adjusting the auxiliary force within the auxiliary nip.
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