Crack sealing apparatus with heated hose through

Details Crack sealing apparatus with heated hose through Crack sealing apparatus with heated hose through

2006-03-07

2006-03-07

Addie, Raymond W (Department: 3671)

Road structure, process, or apparatus

Apparatus

Material distribution means

C404S111000, C404S108000, C404S101000

Reexamination Certificate

active

07008136

ABSTRACT:
A crack sealing apparatus having a heated hose trough is presented which eliminates the need to purge or clean the hose and/or applicator wand that is used to apply sealant to cracks in a roadway. In accordance with one embodiment of the invention, the crack sealing apparatus includes a repository for storing and heating sealant, a hose attached to the repository, a pump for transporting sealant from the repository through the hose, a trough for retaining and heating the hose, and a tubular member located within the trough having a hot liquid or gas circulating therethrough for heating sealant contained within the hose.

REFERENCES:
patent: 3332581 (1967-07-01), Eastabrooks
patent: 4812076 (1989-03-01), Yant
patent: 5232306 (1993-08-01), Sterner
patent: 5251999 (1993-10-01), McCracken
patent: 5419654 (1995-05-01), Kleiger
patent: 5765963 (1998-06-01), Roberts
patent: 6109826 (2000-08-01), Mertes
patent: 6619881 (2003-09-01), Harvey
patent: 6619882 (2003-09-01), Harvey

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