Filter rod making machines

Details Filter rod making machines Filter rod making machines

1981-06-16

1986-04-15

Beck, Shrive P.

Coating processes

Spraying

Moving the base

118316, 118325, 118326, B05D 102

Patent

active

045827320

ABSTRACT:
Plasticizer or other fluid additive is applied to a moving filter tow in an applicator chamber by means of a rotary brush. Uncaptured plasticizer is collected in a container and returned to the chamber for reapplication. The rate of initial application is controlled by a pump and that of reapplication by a restrictor valve; the rates are independently variable. The supplied and collected plasticizer may be applied to different parts of the tow, e.g. to different sides.

REFERENCES:
patent: 3156582 (1964-11-01), Parker
patent: 4132189 (1979-01-01), Greve et al.
patent: 4313974 (1982-02-01), Greve et al.
patent: 4317425 (1982-03-01), Greve et al.
patent: 4367249 (1983-01-01), Bloom et al.

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