Road structure – process – or apparatus – Apparatus – Material distribution means
Patent
1984-12-06
1987-10-06
Novosad, Stephen J.
Road structure, process, or apparatus
Apparatus
Material distribution means
404101, 239659, 239669, 222611, 118308, E01C 1918
Patent
active
046979514
ABSTRACT:
A material spreader system is designed to dispense a topping material onto the surface of a plastic substance lying within an area having opposing sides. The material spreader system includes a spreader for storing a supply of topping material and for dispensing a layer of the topping material as the spreader is translated along a path. A bridge provides an elevated path to permit widthwise translation of the spreader across the area. Translatable bridge support structure is coupled to the bridge for supporting the bridge above the area while permitting translation of the bridge along the entire length of the area. Drive means is coupled to the spreader to translate the spreader across the path formed by the bridge to thereby dispense a layer of topping material over the entire area. Sequential translations of the spreader across the bridge followed by sequential translations of the bridge along the length of the area covers the entire surface of the area with a layer of topping material.
REFERENCES:
patent: 1743114 (1930-01-01), Carr
patent: 1833989 (1931-12-01), Debnam et al.
patent: 2789485 (1957-04-01), Lindgren
patent: 2832273 (1958-04-01), Calabrese
patent: 3347787 (1967-08-01), Sugimoto et al.
patent: 3392641 (1968-07-01), Kessel
patent: 4349294 (1982-09-01), Allen
1968 Concrete Construction Magazine article relating to a material spreader system.
Allen Engineering Corporation
Letchford John F.
Novosad Stephen J.
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