Method and apparatus for spreading heated sand

Details Method and apparatus for spreading heated sand Method and apparatus for spreading heated sand

1984-06-20

1986-03-11

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Container for non-fluid material, and scattering means

239130, 239135, 239674, 239675, 291 20, B05B 124, B61C 1510

Patent

active

045750106

ABSTRACT:
A heated sand spreader apparatus has an inclined elongated screw conveyor mounted at the rear end of a mobile chassis for receiving and conveying sand in a rearward direction along a spiraling path. A plurality of heat generators are attached to the conveyor for directing heat on the sand grains moving within the conveyor. The grains are heated to such a degree that upon subsequent contact with ice on a road surface the grains will melt the ice and deposit in it. After the ice refreezes the grains form a granular surface on the ice. The apparatus includes a broadcast-type spreader supported from the auger conveyor which receives heated sand therefrom and is operated to uniformly broadcast the sand grains on the road surface at the rear of the mobile chassis.

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