| 摘要 |
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.
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