Implement for applying sealant to asphalt pavement or the like
OwnerRaymond W. Heiligtag, Donald G. Heiligtag +1inventors
InventorsRaymond W. Heiligtag, Donald G. Heiligtag, Donald R. Heiligtag
Life of this patent
Estimating the term…
Abstract
An implement for use with a prime mover, such as a tractor, for applying a uniform coating of a liquid sealant to pavement comprising a plurality of spray tubes for spraying a coating of the liquid sealant onto the pavement and a rotary brush for brushing the sealant onto the pavement and for ensuring that a uniform coating of the sealant is applied to the pavement.
Claims10
An implement or attachment for a tractor or other prime mover for the application of a liquid sealant to a pavement surface, said tractor having a 3-point hitch selectively movable between a raised and a lowered position for in turn raising and lowering said implement between a raised retracted position in which the implement is clear of the pavement surface and a lowered operative position, said implement having a frame adapted to be coupled to said tractor by means of said 3-point hitch, said frame extending generally transversely of the direction of travel of said tractor, a plurality of spray tubes spaced transversely along said frame for application of said liquid sealant to said pavement surface, a tank for holding a supply of said liquid sealant, a pump, conduit means interconnecting said tank, pump, and spray tubes for spraying of said liquid sealant under pressure onto said pavement surface, and a brush trailing said spray tubes rotatably driven about a horizontal axis and being engageable with said pavement surface for uniformly spreading said liquid sealant on said pavement surface and for forcing said sealing into cracks or voids in said pavement surface.
Dependencies are inferred from the claim text.