Heating amount adjusting device for a preheater in a corrugated cardboard producing machine
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United States of America Patent
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Mar 24, 1992
Grant Date -
N/A
app pub date -
Feb 26, 1990
filing date -
Mar 6, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A corrugated cardboard producing machine has a preheater for heating a corrugated cardboard sheet of original paper or single face type corrugatd cardboard sheet in each of various processing stages for producing a corrugated cardboard by bonding a liner paper onto a corrugated central core paper. The preheater is provided with a lap amount adjusting tool whose insertion amount between a circumference of a roll of the preheater and the original paper or the single face type corrugated cardboard is adjustable. The lap amount adjusting tool is movable along the circumference of the roll of the preheater.
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