Method and apparatus for flushing asphalt feeding devices

Details Method and apparatus for flushing asphalt feeding devices Method and apparatus for flushing asphalt feeding devices

2007-07-18

2009-06-09

Barr, Michael (Department: 1792)

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

C134S037000, C134S098100, C134S099100, C134S198000, C015S300100, C015S304000, C015S318000, C015S320000, C404S084050

Reexamination Certificate

active

07544253

ABSTRACT:
A vehicle mounted patching system for patching potholes and the like and incorporating method and apparatus for removing and flushing asphalt emulsion from the feed lines of the patcher which completely recycles the cleaning agent used to flush the feed lines, as well as eliminating any external discharge of potentially toxic materials.

REFERENCES:
patent: 4204977 (1980-05-01), Zwirlein
patent: 4695186 (1987-09-01), King
patent: 6000413 (1999-12-01), Chen
patent: 2001/0035198 (2001-11-01), Carawan et al.
patent: 2006/0065293 (2006-03-01), Sargent

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