Device for applying adhesive material to sheets of packing mater

Details Device for applying adhesive material to sheets of packing mater Device for applying adhesive material to sheets of packing mater

1990-02-16

1992-04-28

Wityshyn, Michael G.

Coating apparatus

Solid applicator contacting work

With work-handling or work-supporting

118249, 118258, B05C 108

Patent

active

051077884

ABSTRACT:
A device for applying adhesive material to sheets of packing material, wherein the locally-grooved cylindrical outer surface of a gumming roller is coated with adhesive material by a transfer roller partially immersed in a mass of adhesive material in the form of liquid or paste housed inside a tank.
The transfer roller is smaller in diameter than the gumming roller, and presents a cylindrical outer surface which is maintained contacting, along its generating line, the partially grooved outer surface of the gumming roller by means of a radial thrust device designed to ensure substantially evenly distributed contact pressure along the aforementioned generating line.

REFERENCES:
patent: 951425 (1910-03-01), Minahan
patent: 2276997 (1942-03-01), Richardson
patent: 4249547 (1981-02-01), Hinzmann
patent: 4292919 (1981-10-01), Taylor
patent: 4497274 (1985-02-01), Focke
patent: 4503802 (1985-03-01), Keller et al.

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