Pilot coater

Details Pilot coater Pilot coater

1996-12-11

1998-06-02

Edwards, Laura

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

118712, 118119, 118126, 118203, 118249, 118256, 118261, B05C 100

Patent

active

057592799

ABSTRACT:
A pilot coater for applying a coating on a moving web sample is formed by a backup roll, a transfer roll and a coating flow metering system metering coating flow onto the transfer roll. A pneumatic actuating system holds the transfer roll in a ready position until a sensor detects a specific portion of the web is moving into a nip found between the backing roll and transfer roll and triggers movement of the transfer roll and coating metering system to move to a coating position with the transfer roll pressed onto the paper supported on the backing roll. After a preselected period of time, the transfer roll is moved from the paper to terminate the coating operation.

REFERENCES:
patent: 3707942 (1973-01-01), Leri
patent: 3832213 (1974-08-01), Brenner
patent: 4704296 (1987-11-01), Leanna et al.
patent: 4737378 (1988-04-01), Narita et al.
patent: 5183691 (1993-02-01), Hassell et al.

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