Machine for making corrugated board including a vacuum/positive

Details Machine for making corrugated board including a vacuum/positive Machine for making corrugated board including a vacuum/positive

1992-11-12

1994-04-26

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156205, 156210, 156543, 226 95, B31F 128

Patent

active

053063848

ABSTRACT:
A machine for making corrugated board, comprising means to feed two separate webs between two respective pairs of corrugating rolls to form two corrugated layers, a first adhesive application for applying adhesive to the peaks of at least one of the two corrugated layers, means to bring the two corrugated layers together at the peaks of the corrugations, means to convey the joined corrugated layers past a second adhesive applicator for applying adhesive to the exposed peaks of one of the corrugated layers, and means to apply a liner web to the corrugated layer.

REFERENCES:
patent: 3299906 (1967-01-01), Smith, Jr. et al.
patent: 3513053 (1970-05-01), Carrel
patent: 3700518 (1972-10-01), Ohmori
patent: 3854861 (1974-12-01), Worrall
patent: 4338154 (1982-07-01), Berthelot et al.
patent: 4589945 (1986-05-01), Polit

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