Method and apparatus for coating corrugated board

Details Method and apparatus for coating corrugated board Method and apparatus for coating corrugated board

1985-12-23

1987-05-26

McIntosh, John P.

Coating processes

Interior of hollow article coating

Removing excess coating material

118 69, 118 56, 118 63, 118423, 427348, 427442, B05D 722, B05D 118, B05C 310

Patent

active

046685367

ABSTRACT:
Apparatus for applying a coating of paraffin wax to sheets of corrugated paperboard. The sheets are fed in a generally horizontal attitude through a bath of molten wax disposed in an elongated tank. Chain belt conveyors provide upper and lower flights to hold the sheets as they are passed through the bath.

REFERENCES:
patent: 1536801 (1925-05-01), LaBombarde
patent: 2282898 (1942-05-01), Snader et al.
patent: 3236680 (1966-02-01), Hnot
patent: 3257226 (1966-06-01), Thwaites
patent: 3343977 (1967-09-01), Gjesdal
patent: 3635193 (1972-01-01), Stease
patent: 3793056 (1974-02-01), Stease
patent: 4184449 (1980-01-01), Louderback

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