Highway sealant applicator system

Details Highway sealant applicator system Highway sealant applicator system

1987-11-04

1988-08-30

Massie, Jerome

Road structure, process, or apparatus

Apparatus

Material distribution means

404107, 404110, 239150, 118108, 118415, E01C 1912

Patent

active

047672340

ABSTRACT:
Apparatus is provided for applying a sealing composition to a road surface. The apparatus includes supply means for the sealing composition and an applicator having a pressure chamber having adjustable-gap exit openings adjacent the road surface and having doctor blades which, when appropriately set, apply the composition to the road surface to a uniform and preset thickness across the width of the applicator. The apparatus includes means for propelling the applicator over a road surface.

REFERENCES:
patent: 1709711 (1929-04-01), Duffy
patent: 1860271 (1932-05-01), Wenning
patent: 1945065 (1934-01-01), Mosslang et al.
patent: 2530777 (1950-11-01), Middlestadt
patent: 2578080 (1951-12-01), Middlestadt
patent: 2964245 (1960-12-01), Anderson et al.
patent: 3347138 (1967-10-01), Lunde
patent: 3515041 (1970-06-01), Murtaugh
patent: 3989403 (1976-11-01), Verive
patent: 4315700 (1982-02-01), Heiligtag et al.
patent: 4688964 (1987-08-01), Cox

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