Apparatus for bonding stacked sheets to one another

Details Apparatus for bonding stacked sheets to one another Apparatus for bonding stacked sheets to one another

1987-01-07

1988-05-24

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

51 5C, 156153, 156258, 156267, 156908, B32B 3118

Patent

active

047463953

ABSTRACT:
One edge face of each stack of overlapping paper sheets in a series of moving stacks is trimmed and simultaneously roughened by a driven circular knife before the thus trimmed and roughened edge faces are coated with adhesive paste in a step which immediately follows the combined trimming and roughening operation. The edge faces are roughened by teeth which form the cutting edge of the circular knife and/or by particles of hard metal and/or boron nitride on that major surface of the knife which confronts the edge face of the stack at the combined trimming and roughening station.

REFERENCES:
patent: 3920501 (1975-11-01), Carlton et al.
patent: 3984211 (1976-10-01), Hawkins
patent: 4373985 (1983-02-01), Glendening

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