Apparatus for manufacturing single-faced corrugated board

Details Apparatus for manufacturing single-faced corrugated board Apparatus for manufacturing single-faced corrugated board

1979-09-04

1981-04-14

Thibodeau, Paul J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Including cleaning, conditioning or renewing means for...

118 50, 156462, 156473, 156556, B31F 128, B32B 3112

Patent

active

042617847

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.

REFERENCES:
patent: 2018240 (1935-10-01), Swift, Jr.
patent: 2429482 (1947-10-01), Munters
patent: 2589966 (1952-03-01), Rullo
patent: 3077222 (1963-02-01), Shanley

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