Method and apparatus for corrugating paperboard

Details Method and apparatus for corrugating paperboard Method and apparatus for corrugating paperboard

1976-04-29

1981-07-14

Goolkasian, John T.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156205, 156210, 156234, 156235, B32F 136

Patent

active

042784867

ABSTRACT:
In a preferred embodiment of the present invention, a web of a corrugating medium is supplied to heated corrugating rolls to which a water mist carrying a solid lubricant as a release agent has been applied evenly over the roller, a first linerboard is glued to one side of the corrugated medium, a second linerboard is passed over a preheating roller to which a solid lubricant is applied via a water suspension sprayed on the preheating roller, the second linerboard is glued to the single faced corrugated board and the resulting double faced corrugated paperboard is passed over a hot plate section while subjected to pressure from a belt and weight roller assembly from above the hot plate.

REFERENCES:
patent: 1796542 (1931-03-01), Schoo
patent: 2029390 (1936-02-01), Rodgers
patent: 3004880 (1961-10-01), Lord
patent: 3103459 (1963-09-01), Kane
patent: 3676247 (1972-07-01), Morris et al.
patent: 3834961 (1974-09-01), Terry
patent: 3849224 (1974-11-01), Hintz et al.
patent: 3892613 (1975-07-01), McDonald et al.
Hackh's Chemical Dictionary, McGraw Hill, 4th Ed., pp. 306, 435, 616 (1969).

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