Systems and methods for automating the application of friction-modifying coatings
First Claim
Patent Images
1. An apparatus for applying binder, the apparatus comprising:
- a cylindrical tube capable of being attached to a moving platform, the tube being closed at each end;
at least one cavity defined inside the tube;
at least one upper opening defined in an upper portion of the tube, the at least one upper opening being capable of receiving binder into the cavity;
one or more substantially collinear slots defined in a lower portion of the tube, wherein the one or more slots extend substantially across the length of the tube and are adapted for dispensing binder from the at least one cavity onto the surface of a substrate; and
at least one tube-reinforcing flange circumscribing at least a portion of the tube, and sized for preventing internal pressure from distorting the tube.
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Abstract
A system and method for the application of friction-modifying coatings to roadways, walkways, pathways and other areas subject to vehicular, human or animal traffic, the system and method comprising the controlled, simultaneous application of binder and filler to a surface of a substrate, using a mobile device which passes over the substrate as the binder and filler are being applied. Both the binder and the filler are precisely and accurately metered onto the substrate, ensuring uniform coating thickness and performance. The method of this invention also enables the use of different binding systems and precise control over mixing ratios for multi-component binders.
35 Citations
28 Claims
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1. An apparatus for applying binder, the apparatus comprising:
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a cylindrical tube capable of being attached to a moving platform, the tube being closed at each end; at least one cavity defined inside the tube; at least one upper opening defined in an upper portion of the tube, the at least one upper opening being capable of receiving binder into the cavity; one or more substantially collinear slots defined in a lower portion of the tube, wherein the one or more slots extend substantially across the length of the tube and are adapted for dispensing binder from the at least one cavity onto the surface of a substrate; and at least one tube-reinforcing flange circumscribing at least a portion of the tube, and sized for preventing internal pressure from distorting the tube. - View Dependent Claims (2, 3, 4)
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5. A system for the automated application of a friction-modifying coating to the surface of a substrate, the system comprising:
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a vehicle; at least one binder storage vessel positioned on the vehicle; at least one binder metering device positioned on the vehicle and coupled to the at least one binder storage vessel for metering the flow of binder; at least one binder applicator coupled to the at least one binder metering device, wherein the binder applicator comprises; a cylindrical tube closed at each end; at least one cavity defined inside the tube; at least one opening defined in an upper portion of the tube for receiving binder from the at least one binder metering device into the cavity; and one or more substantially collinear slots defined in a lower portion of the tube, wherein the one or more slots extend across the length of the tube and are adapted for dispensing binder from the at least one cavity onto the surface of a substrate; at least one filler hopper positioned on the vehicle; and at least one filler flow controller coupled to the at least one filler hopper for metering filler to be applied onto the binder. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An apparatus for applying binder, the apparatus comprising:
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a cylindrical tube capable of being attached to a moving platform, the tube being closed at each end; at least one cavity defined inside the tube; at least one opening defined in an upper portion of the tube, the at least one upper opening being capable of receiving binder into the cavity; and a slot defined in a lower portion of the tube, wherein the slot extends substantially across the length of the tube and is adapted for dispensing binder from the at least one cavity onto the surface of a substrate. - View Dependent Claims (28)
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Specification