Material spreader and method for using same

Fluid sprinkling – spraying – and diffusing – Processes

Reexamination Certificate

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Details

C239S661000, C239S667000, C239S669000, C239S671000, C239S672000, C239S679000, C239S682000

Reexamination Certificate

active

10673625

ABSTRACT:
A material spreader includes a belt/chain assembly. The belt is mounted within the chamber of the material spreader and the chain remains out of contact with the material during the operation of the device. A sliding barrier is mounted at the rear of the belt, and moves from a forward position adjacent the front of the spreader to a rear position adjacent the rear of the spreader.

REFERENCES:
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patent: 1025403 (1912-05-01), Johnson et al.
patent: 2676002 (1954-04-01), Wolfe
patent: 3333574 (1967-08-01), Harris
patent: 3754528 (1973-08-01), Downing
patent: 4593555 (1986-06-01), Krutz et al.
patent: 4732330 (1988-03-01), Groeneveld et al.
patent: 5170948 (1992-12-01), Glick et al.
patent: 5469797 (1995-11-01), Hearne, Jr.
patent: 5501404 (1996-03-01), Meyer et al.
patent: 6143183 (2000-11-01), Wardwell et al.

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