Title: Dual pump colorant dispenser

Abstract: A colorant dispenser for the custom blending of paint has a canister with two measuring piston pumps of different capacities, all mounted on a base; and a single barrel valve in the base controls the flow of colorant to and from both pumps and the discharge of colorant from both pumps through a single exit port.

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Inventors: Edstrom, Keith G. (Park Ridge, IL, US)
Edstrom, Gene K. (Arlington Heights, IL, US)

Application Number: 675759
Filing Date: 1976-04-12
Publication_date: 1977-06-07
Assignee: Chicago Commutator, Inc. (Wheeling, IL)
Primary Class(es): 222/135 222/309
Other Classes:
US Patent Ref:

3908862

Sep, 1975

Chandra et al.

222/135.

Other Refs:
Primary Examiner: Tollberg, Stanley H.
Assistant Examiner:
Attorney: Wegner, Stellman, McCord, Wiles & Wood