| 摘要 |
The present invention provides for a method for automatically delivering and applying hot asphalt in a liquid state for easy spreading to a roof surface and an apparatus for performing this process. The method involves heating the asphalt to a liquid state and maintaining the temperature while pumping the hot asphalt from ground level to roof level to a hand held spray jet applicator which also rolls the asphalt smooth. The method employs temperature regulation and circulation of the asphalt to maintain the hot liquid state for easy application.
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