Apparatus for coating moving strips of material

Details Apparatus for coating moving strips of material Apparatus for coating moving strips of material

1987-03-18

1988-04-19

Lusignan, Michael R.

Pumps

Motor driven

Pump within rotary working member

1525651, 118123, 118245, 118261, B05D 312, B05C 1102

Patent

active

047388773

ABSTRACT:
A coating material is transferred to the surface of a spreader-roll from a spreader-mechanism. The spreader-roll is partly wrapped by a strip of material. In the location where the said strip of material is lifted off the spreader-roll, a doctor-element, comprising a doctor-blade, is arranged to rest tangentially on the spreader-roll. The doctor-element thereby forms a rubbing distributing surface which faces the strip of material and ensures a smooth and uniform coating of the coating material on the strip of material. The strip of material is then carried away over a sharp tear-off edge on the doctor-element at an angle of less than 20.degree.. In this way a coating of any desired thickness may be applied to a strip of material, more particularly as a coating for a strip of paper.

REFERENCES:
patent: 2565319 (1951-08-01), Newman
patent: 3113890 (1963-12-01), Johnson et al.
patent: 3722465 (1973-03-01), Krautzberger
patent: 4637338 (1987-01-01), Wohrle

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