Coating apparatus – Solid applicator contacting work – With work-handling or work-supporting
Patent
1983-09-26
1985-01-29
McIntosh, John P.
Coating apparatus
Solid applicator contacting work
With work-handling or work-supporting
118262, B05C 108
Patent
active
044958862
ABSTRACT:
A roll-type coater for applying a coating material to a web of paper includes an actuator mechanism for accurately controlling the movement and position of a metering roll with respect to a coating transfer roll, to prevent shock loading of the transfer roll upon closing movement of the metering roll, and to provide for rapid opening of the metering roll when necessary. The mechanism includes a bellcrank and link connected to move the metering roll along guideways, in which the linkage approaches, but does not exceed, an overcenter position just before the metering roll comes into contact with one or more micrometer blocks which space it accurately from the coating roll. A movable stop is provided which engages the bellcrank just prior to closing of the rolls, to absorb the impact and prevent the same from being transferred to the adjacent rolls and retracts, permitting final rotation of the bellcrank and the associated movement of the metering roll into its final metering position, with the loads all stacked in one direction. The movable stop may be operated against the bellcrank to open up the nip between the rolls, when necessary.
REFERENCES:
patent: 2236239 (1941-03-01), Lipton
patent: 2681636 (1954-06-01), Fridolph
patent: 3605687 (1971-09-01), Russell
patent: 4029833 (1977-06-01), Kosta
McIntosh John P.
The Black Clawson Company
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