Roll coater control method and roll coater

Details Roll coater control method and roll coater Roll coater control method and roll coater

1987-03-02

1988-04-12

Lusignan, Michael R.

Coating processes

Measuring, testing, or indicating

101350, 118247, 118249, 118262, 118663, 118712, B41F 3100, B05C 106, B05C 108, B05C 1100

Patent

active

047373784

ABSTRACT:
Prior to starting, the size of a clearance, defined on a second end side of a roll when an end of a coating roll is brought into contact with a first end side of a doctor or back-up roll, is measured and stored as data in a memory. After starting, the amounts of movement of both ends of the rolls are controlled in driving of the doctor or back-up roll to be in contact with/separated from the coating roll so that the second end side of the roll is moved by a distance larger by the clearance size than the first end side of the roll on the basis of the clearance size data. Thus, the clearance size is corrected so that the outer peripheral surfaces of the rolls driven to be in contact with/separated from each other are continuously retained parallel in arbitrary moving positions.

REFERENCES:
patent: 4269140 (1981-05-01), Burns et al.
patent: 4495886 (1985-01-01), Phelps

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