Apparatus for manufacturing single-faced corrugated board
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United States of America Patent
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Apr 14, 1981
Grant Date -
N/A
app pub date -
Sep 4, 1979
filing date -
Sep 4, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for manufacturing single-faced corrugated board by corrugating a core board, applying a paste to the corrugated core board and then facing the corrugated core board with a liner board on one side thereof, comprises an airtight chamber arranged on the back side of a top roll, a bottom roll and a press roll so as to enclose a pasting unit, air supply means for supplying air into the airtight chamber and exhaust grooves formed in the peripheral surface of the bottom roll, whereby a high pressure is established within the airtight chamber to thereby closely press the corrugated core board against the bottom roll.
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