Brush seal and method

Details Brush seal and method Brush seal and method

1981-07-27

1984-07-03

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 53, 118326, 118DIG7, 405147, E01G 516, B05D 312

Patent

active

044575157

ABSTRACT:
Disclosed is a method and apparatus for positioning a pair of opposed brush assemblies in a gap defined by end baffles between process chambers. The brushes have a plurality of offset bristle clusters secured to a header, and the header is preferably angled so that the brushes will have a wiping action as a workpiece such as the printed circuit board passes between the bristles. A pair of brushes are employed with the opposed ends in overlapping relationship providing a wiping-type gate, and which permits the entrained fluid to drip down the bristle hairs and into the chamber from which the workpiece such as a printed circuit board is being removed. Optionally the brush bristles can be angled upwardly to incite a gravity assist for the entrained fluid dripping down toward the header of the brush and into the process tank.

REFERENCES:
patent: 3031802 (1962-05-01), Leliaert
patent: 3542372 (1970-11-01), Edwardson
patent: 3917150 (1975-11-01), Ferguson et al.
patent: 3979920 (1976-09-01), Burgess et al.
patent: 4096300 (1978-06-01), Williams

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