Paste dispensing brush

Details Paste dispensing brush Paste dispensing brush

1998-11-25

2000-03-21

Walczak, David J.

Coating implements with material supply

Including means to apply material-moving force

In or at feeder

401150, B43K 502

Patent

active

060394897

ABSTRACT:
A paste dispensing brush includes a paste reservoir and a reciprocating pump for dispensing paste on to the brush. The pump includes a housing defining a hollow stem and a housing cavity with a piston mounted for reciprocating movement within the cavity. The piston separates the housing cavity into a pumping chamber portion and a dry portion. The paste dispensing brush also includes a stem sealing arrangement which includes a sealing boss which extends into the hollow stem and a shut-off member which depends from the sealing boss into the hollow stem.

REFERENCES:
patent: 4692047 (1987-09-01), Endo
patent: 5158383 (1992-10-01), Glover et al.
patent: 5393153 (1995-02-01), Bouthillier et al.

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