B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
94/15, 32/43
B05C 11/02 (2006.01)
Patent
CA 1223439
APPARATUS FOR MIXING AND SPREADING COATINGS ON SURFACES Abstract An apparatus for uniformly spreading and mixing coating ingredients deposited on a traffic surface, such as a road, includes a maneuverable, wheeled support carriage, a frame and a power driven finishing assembly The finishing assembly is provided with a plurality of working tools which are rotated about a central axis to bring the tools sequentially into contact with a traffic surface area being treated to efficiently spread and apply a surface treatment composition. Radially extending arms connect with the working tools and with a central support disc. The arms independently urge the tools toward the traffic surface to maintain the tools in contact with the surface despite surface variations. Adjustable couplings connect the tools to the arms to enable the tools to assume a range of operating angles relative to the arms to further enhance the maintenance of good tool-to-surface contact. In preferred practice, the tools include a spreading tool which takes the form of a blade, and a mixing tool which takes the form of a rake. Blade and rake tools preferably are mounted in an alternating array for sequential exposure of one followed by the other of these tools to a surface being treated. The tools are rotated about the central axis by an engine-driven gear reducer. Movement of the apparatus over a surface being treated is preferably effected manually by an operator who applies force to a frame-carried handle. The support carriage is preferably provided with a plurality of centrally mounted, ball-type wheels which permit the operator to readily maneuver the machine and effect coating operations within small treatment areas and within areas having irregular boundaries.
460844
Gowling Lafleur Henderson Llp
Laditka Alexander
LandOfFree
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