Single facer

Details Single facer Single facer

1980-08-15

1982-02-23

McCarthy, Edward J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

226171, B31F 100

Patent

active

043167616

ABSTRACT:
A single facer includes a pressure member adjacent the lower corrugating roll to apply pressure for effecting bonding of a corrugated web and a liner web, the liner web being adjacent the surface of the pressure member. The pressure member is provided, in the area facing the lower corrugating roll, with an arcuate surface having a curvature equal to or exceeding that of an arc extending through the tips of the flutes of the corrugating roll. The pressure member is of a circumferential length at least exceeding the distance between two adjacent flutes of the corrugating roll. In order to reduce the friction between the arcuate surface of the pressure member and the liner web passing thereover, a conveyor in the form of an endless belt is disposed with a portion thereof extending between the arcuate surface of the pressure member and the liner web. This portion of the endless belt is movable in the same direction as the periphery of the lower corrugating roll and is movable at a speed equal to the peripheral speed of the lower corrugating roll.

REFERENCES:
patent: 545354 (1895-08-01), Ferres
patent: 1519280 (1924-12-01), Wandel
patent: 1609318 (1926-12-01), Smith
patent: 2630618 (1953-03-01), Sewell
patent: 2714340 (1955-08-01), Brown

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