Low shear gravity controlled yarn finish supply system

Details Low shear gravity controlled yarn finish supply system Low shear gravity controlled yarn finish supply system

1980-11-10

1982-01-19

Kendall, Ralph S.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to condition of coating material

118234, 118244, 137453, B05C 108

Patent

active

043111149

ABSTRACT:
In this invention yarn finish is supplied to the yarn applicator supply pan with the level controlled by intermittent admission of air to the top of a distribution tank through an air tube which is intermittently submerged and sealed with yarn finish at the same level as the supply pan. The tube opening is located within another tube connected to the bottom of the distribution tank with a tee which also connects to the supply pan. As the level of yarn finish in the supply pan drops due to use by the finish applicator, the level in the bottom tube also drops, uncovering the opening at the end of the top tube, permitting flow of air into the top of the distribution tank, releasing an equal amount of yarn finish through the tee and conduit to the supply pan, raising the level in the supply pan and the bottom tube until the opening of the top tube is covered and sealed preventing further flow of air until the level drops again due to use by the finish applicator, repeating the same intermittent supply process.
An automatic refilling apparatus for the distribution tank from a supply tank is also disclosed.

REFERENCES:
patent: 2420355 (1947-05-01), Coleman
patent: 3365326 (1923-01-01), Conrad

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