Heating Patents (Class 404/77)
  • Patent number: 10280306
    Abstract: A system and method for filling pot holes. The system includes transferring aggregate from an aggregate tank. Activator is likewise transferred from an activator tank. The activator is mixed with the aggregate to form a homogenized mixture. A liquid is introduced into a homogenized mixture to form a slurry and then a pot hole filler. The pot hole filler is directed through an exit end of a mixing tube.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: May 7, 2019
    Inventor: Gregory Cole
  • Patent number: 9951223
    Abstract: An asphalt cold-patch compound composition and method are disclosed. The compound can include bituminous material and an oil binder mixed according to a ratio. For example, recycled roofing shingles and used motor oil can be mixed according to a ratio of about 9:1 to about 20:1. The compound is suitable for patching surfaces, such as roads, and can be placed in service without heating. The asphalt cold-patch compound can be made from recycled materials and can be applied without specialized heating equipment.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: April 24, 2018
    Assignee: BTAP, LLC
    Inventors: Sean T. Gillespie, Gilberto Garcia, Jr., Leslie Griffith
  • Patent number: 9828505
    Abstract: Embodiments of the present invention are directed to compositions and methods for a thermoplastic paving composition including an asphalt rubber binder and a polyethylene polymer additive.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: November 28, 2017
    Assignee: Manhole Adjusting, Inc.
    Inventors: John Corcoran, Hussain Bahia
  • Patent number: 9340931
    Abstract: A method and system for treating and strengthening material filling a pothole. One or more electron accelerators can be integrated with a mobile unit. The electron accelerators are positioned on the mobile unit to heat, irradiate and treat in-situ, both the base material and a material filling a pothole located proximate to the mobile unit, wherein irradiation of the material by the electron accelerators results in in-situ cross-linking or polymerization of the material and therefore a strengthening and increased durability of the material filling the pothole. Deep heating of the substrate allows pothole repair even under extreme low temperature winter conditions. The in-situ treatment of the material filling the pothole in a road surface to toughens and strengthens the road surface and the filled pothole which results in improved material properties of the surface, enhanced durability, and improved lifetime of the pothole fill.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: May 17, 2016
    Assignee: Fermi Research Alliance, LLC
    Inventor: Robert D. Kephart
  • Patent number: 9127413
    Abstract: A method for repairing an aged asphalt pavement is provided. The method involves passing an emitter over the aged asphalt pavement, wherein the emitter generates electromagnetic radiation having a wavelength of from 20 microns to 1 mm that penetrates into the pavement to a depth of at least 2 inches. The asphalt pavement is repaired by disturbing voids and interstices in the damaged pavement without dehydrogenation of the asphalt, such that oligomers present in the aged asphalt are linked together into longer polymer chains to improve ductility of the aged asphalt.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: September 8, 2015
    Inventor: William B. Coe
  • Publication number: 20150147118
    Abstract: Cold-in-place asphalt recycling is disclosed. A foamed asphalt may be produced by injecting water and optionally compressed air into a hot asphalt stream. A lubricating surfactant may be added to the hot asphalt stream to improve performance. The foamed asphalt may be mixed with reclaimed material to provide a uniformly coated paving material that can compacted to a desired density.
    Type: Application
    Filed: January 15, 2015
    Publication date: May 28, 2015
    Inventors: Gerald H. Reinke, David Lange, Gaylon L. Baumgardner, Ervin Dukatz
  • Publication number: 20150139727
    Abstract: An infrared asphalt heating and repair apparatus includes a converter having downward facing slits cut therein to provide enhanced durability over prior art ceramic blanket or metal ribbon style heaters. In embodiments, the slits are cut by a milling machine, which may be an automatic milling machine, a band saw, or a laser. Embodiments also provide for more uniform heating over prior art solutions, while largely preventing damaging and costly flame-through events. Because the heat is more uniform than that of the prior art, lower temperatures can be used to achieve similar results, thereby extending equipment life, lowering fuel costs, and reducing warm-up times.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 21, 2015
    Inventors: Roger G Filion, Randall L Tewksbury
  • Publication number: 20150125205
    Abstract: An asphalt composition comprising aggregate, bitumen, sulphur and surfactant, wherein the surfactant is selected from cationic surfactants, amphoteric surfactants and mixtures thereof. Methods of preparing asphalt compositions and asphalt pavements are also disclosed.
    Type: Application
    Filed: December 7, 2012
    Publication date: May 7, 2015
    Inventors: David Strickland, Majid Jamshed Chughtai, Sunil Ashtekar
  • Patent number: 9022686
    Abstract: The present invention provides a system and method for controlling an asphalt repair apparatus. An additional aspect of the present invention is to provide a system that may position a heater repair element adjacent a targeted asphalt surface, acquire and analyze surface and heater sensing data, and control heater output to prepare the targeted asphalt surface for repair. Further, the system may be configured to control an asphalt repair apparatus to satisfy user-defined asphalt repair requirements.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: May 5, 2015
    Assignee: Heatwurx, Inc.
    Inventors: Stephen Douglas Garland, Edmond Joseph Limoge, William Petrow, John Edward Cronin
  • Patent number: 8992118
    Abstract: A method for repairing an aged or damaged asphalt pavement is provided. The method involves preparing a surface of the aged or damaged asphalt pavement by filling in deviations from a uniform surface plane with dry aggregate and compacting the dry aggregate; applying a reactive asphalt emulsion to the prepared surface; and passing an emitter over the prepared pavement, wherein the emitter generates electromagnetic radiation having a wavelength of from 2-5 mm that penetrates into the pavement to a depth of at least 2 inches. The asphalt pavement is repaired by disturbing voids and interstices in the damaged pavement without dehydrogenation of the asphalt, such that oligomers present in the aged asphalt are linked together into longer polymer chains to improve ductility of the aged asphalt.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 31, 2015
    Inventor: William B. Coe
  • Patent number: 8961064
    Abstract: A screed system is provided. The screed system includes a base screed. The screed system includes an extension member, wherein the extension member is detachably coupled to the base screed. The screed system also includes an identification module associated with the extension member. The identification module is configured to provide an indication of the extension member. The screed system further includes a controller, wherein the controller is configured to determine a parameter associated with the extension member based on the indication. Further, the identification module and the controller are configured to communicate with each other.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: February 24, 2015
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Igor S. Ramos, Robert W. Lindsey, LaTanya G. Turner, Daniel Podany
  • Publication number: 20140363231
    Abstract: A method of paving a roadway that includes a first lane and a second lane adjacent the first lane includes applying, a first asphalt layer over the first lane of the roadway. The first asphalt layer includes a first side edge defining a portion of a joint between the first asphalt layer and a second asphalt layer. The method also includes smoothing the first asphalt layer on the first lane of the roadway, applying an additive on the first side edge to soften the first side edge, and applying the second asphalt layer over the second lane of the roadway. The second asphalt layer includes a second side edge abutting the first side edge such that the second side edge mixes with the first side edge. The first side edge and the second side edge form the joint between the first asphalt layer and the second asphalt layer.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 11, 2014
    Inventor: John C. Bartoszek
  • Publication number: 20140348586
    Abstract: The present invention provides a system and method for controlling an asphalt repair apparatus. An additional aspect of the present invention is to provide a system that may position a heater repair element adjacent a targeted asphalt surface, acquire and analyze surface and heater sensing data, and control heater output to prepare the targeted asphalt surface for repair. Further, the system may be configured to control an asphalt repair apparatus to satisfy user-defined asphalt repair requirements.
    Type: Application
    Filed: August 11, 2014
    Publication date: November 27, 2014
    Inventors: Stephen Douglas Garland, Edmond Joseph Limoge, William Petrow, John Edward Cronin
  • Patent number: 8845234
    Abstract: A microwave ground or road surface heating system that eliminates the need for preparation of the surface to be heated while preventing leakage of microwave radiation. The highly portable microwave heating system prevents leakage of microwave radiation via a microwave horn and sealing shroud configuration that seals the unit to the surface being heated.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: September 30, 2014
    Assignee: Microwave Utilities, Inc.
    Inventor: Vernon R. Hegg
  • Publication number: 20140270955
    Abstract: A pavement repair system is provided utilizing Solid Phase Auto Regenerative Cohesion (SPARC) Homogenization by Liquid Asphalt Oligopolymerization (HALO) technologies. The SPARC-HALO system is suitable for use in repairing asphalt pavement, including pavement exhibiting a high degree of deterioration (as manifested in the presence of potholes, cracks, ruts, or the like) as well as pavement that has been subject to previous repair and may comprise a substantial amount of dirt and other debris (e.g., chipped road paint or other damaged or disturbed surfacing materials). The HALO system is suitable for rejuvenating aged asphalt, thereby improving properties of the paving material.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventor: William B. Coe
  • Patent number: 8834063
    Abstract: It is intended to allow an asphalt pavement to be peeled off efficiently with a relatively small amount of electric power without generating large vibration and noise, and handled in the form of a block. An electromagnetic induction coil 36 is positioned above an asphalt pavement 22 provided on a copper plate (12) to melt a lower surface of the asphalt pavement 22. Then, a wedge-shaped thermally-conductive peeling member 60 having a peeling layer formed on an upper surface thereof is inserted into a melted layer (74) of the lower surface of the asphalt pavement 22 to peel off the asphalt pavement 22 from the steel plate 12. This makes it possible to peel off the asphalt pavement 22 with a relatively small amount of electric power and handle the peeled asphalt pavement 22 in the form of a block.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: September 16, 2014
    Assignee: Green Arm Co., Ltd.
    Inventors: Kenichi Harakawa, Hidetoshi Hayashida, Seiichi Takeuchi, Koutaro Tohyama, Shinsuke Wakabayashi
  • Publication number: 20140241800
    Abstract: The present invention provides a system and method for controlling an asphalt repair apparatus. An additional aspect of the present invention is to provide a system that may position a heater repair element adjacent a targeted asphalt surface, acquire and analyze surface and heater sensing data, and control heater output to prepare the targeted asphalt surface for repair. Further, the system may be configured to control an asphalt repair apparatus to satisfy user-defined asphalt repair requirements.
    Type: Application
    Filed: February 26, 2013
    Publication date: August 28, 2014
    Applicant: HEATWURX, INC.
    Inventors: Stephen Douglas Garland, Edmond Joseph Limoge, William Petrow, John Edward Cronin
  • Publication number: 20140241801
    Abstract: An apparatus and method for small scale heating of an asphalt material suitable for repair and/or resurfacing of paved surfaces, most preferably where the material is placed in a small microwavable container.
    Type: Application
    Filed: January 9, 2014
    Publication date: August 28, 2014
    Applicant: Leap Technologies, Inc.
    Inventor: Mark ELIOT
  • Patent number: 8814467
    Abstract: A flame safety system for a thermoplastic applicator comprises a gas burner and a flame indicator. The gas burner expels a jet of pressurized combustible gas from an outlet nozzle, and includes an attachment groove near the nozzle. The flame indicator includes an attachment ring configured to fit into the groove, thereby securing the flame indicator to the gas burner, and a flame path portion extending from the attachment ring into the jet of pressurized combustible gas. The flame path portion is formed from a material which incandescently glows whenever the jet of combustible pressurized gas is lit.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: August 26, 2014
    Assignee: Graco Minnesota Inc.
    Inventors: Charles W. Dawson, Barry W. Mattson, Thomas L. Triplett, Steven H. Fredrickson, Christopher A. Lins
  • Patent number: 8801325
    Abstract: The present invention provides a system and method for controlling an asphalt repair apparatus. An additional aspect of the present invention is to provide a system that may position a heater repair element adjacent a targeted asphalt surface, acquire and analyze surface and heater sensing data, and control heater output to prepare the targeted asphalt surface for repair. Further, the system may be configured to control an asphalt repair apparatus to satisfy user-defined asphalt repair requirements.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: August 12, 2014
    Assignee: Heatwurx, Inc.
    Inventors: Stephen Douglas Garland, Edmond Joseph Limoge, William Petrow, John Edward Cronin
  • Publication number: 20140199122
    Abstract: Bituminous paving mixtures containing lubricating agents or additives may be prepared at hot mix temperatures and cooled, paved and compacted at temperatures 10-55° C. lower than the hot mix temperatures. The increased temperature range between the hot mix temperatures and the paving and compacting temperatures is facilitated by the improved compacting properties of the paving mixture when it includes the lubricating agents or additives.
    Type: Application
    Filed: March 17, 2014
    Publication date: July 17, 2014
    Applicant: ALM HOLDING COMPAN
    Inventors: Gerald H. Reinke, Gaylon L. Baumgardner, Steven L. Engber
  • Publication number: 20140169880
    Abstract: This application relates to a method of forming multiple inlaid patterns to complete a final predetermined rotational pattern onto or into a pavement surface. The pattern may be selected for functional or decorative purposes. In one embodiment the method includes the steps of providing a first template created of multiple blocks with portions of rotational isometric patterns having a predetermined pattern; impressing the first template into the pavement surface when the pavement surface is in a pliable state forming an impression therein; removing the first template from the pavement surface exposing the impression; providing a grid having a predetermined pattern matching the pattern of the first template; inserting the grid into the impression; and fixing the grid in position within the impression to form the inlaid pattern thereby creating multiple blocks of said portions of said patterns such that rotational isometric patterns form a final rotational predetermined isometric patterned preform.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 19, 2014
    Inventor: Andrew Jared Parker
  • Patent number: 8753035
    Abstract: An asphalt concrete pavement containing a wave absorbing material and a maintenance process thereof are provided. The asphalt concrete pavement includes: 1. a coarse materials consisted of small stone with a grain size of 10-15 mm, macadam with a grain size of 5-10 mm and stone chip with a grain size of 0.1-5 mm; 2. fine materials consisted of sand; 3. a mineral powder containing a wave absorbing material which accounts for 10%-100% of the mineral powder by weight percentage. Furthermore, an asphalt concrete material for making asphalt concrete pavement, a mineral powder containing a wave absorbing material, and a use of the mineral powder or wave absorbing material in making the asphalt concrete pavement are provided.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: June 17, 2014
    Inventors: Houliang Wang, Wanzhong Guan, Bin Yuan
  • Patent number: 8714869
    Abstract: A pneumatic compactor includes a frame and a compacting member rotatably coupled to the frame and configured to rotate in contact with a substrate of paving material. The compacting member is a tire. The compactor further includes a heating element located within the compacting member, a sensor thermally coupled to the heating element, and an electronic control module. The electronic control module is in communication with the heating element and the sensor and is configured to energize the heating element.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: May 6, 2014
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Michael W. Ries, Matthew S. Frantz, Jon M. Scharf, Paul D. Weiss
  • Patent number: 8668405
    Abstract: An improved road maintenance truck includes a pair of hydraulically powered roller assemblies mounted to the underside of the vehicle frame and a vertically movable compression plate mounted to the vehicle frame. Each roller assembly has a compressive roller which runs the width of the truck. Two hydraulic actuators on each end of the vehicle raise and lower the roller into place. These independent rollers allow a road patching crew to selectively lower the roller for repairing road while initially flattening the patching material with the front roller and compacting the patching material with the rear. The compression plate is mounted to an actuator which selectively raises and lowers the compression plate to compress road patching materials. A roller heating system draws engine coolant through the rollers to heat the rollers and to reduce the heat built-up in the engine.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: March 11, 2014
    Inventor: William Singleton
  • Patent number: 8662789
    Abstract: A paver includes an enclosed furnace for melting an inorganic paving material and a carriage for carrying the furnace. The furnace includes a heating chamber for receiving the paving material, a heater for heating the heating chamber to a temperature greater than 1,600° C. to melt the paving material, and an outlet for discharging melted paving material to form a paved road surface.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: March 4, 2014
    Assignee: Empire Technology Development LLC
    Inventor: Yuchen Ma
  • Publication number: 20140037376
    Abstract: A multipurpose asphalt processor and method for repairing damaged asphalt. The asphalt processor may be used to both till and screed asphalt surfaces. The asphalt processor may include a powered shaft having a plurality of tines extending therefrom. The outermost tines on the shaft may be angled to thereby form a beveled surface along the edges of tilled area of asphalt. The asphalt processor may further include a screed for leveling tilled asphalt. The asphalt processor may take the form of an attachment for use with existing machinery, such as a tractor.
    Type: Application
    Filed: October 9, 2013
    Publication date: February 6, 2014
    Applicant: Heatwurx, Inc.
    Inventor: Richard Giles
  • Publication number: 20140030019
    Abstract: A paver includes an enclosed furnace for melting an inorganic paving material and a carriage for carrying the furnace. The furnace includes a heating chamber for receiving the paving material, a heater for heating the heating chamber to a temperature greater than 1,600° C. to melt the paving material, and an outlet for discharging melted paving material to form a paved road surface.
    Type: Application
    Filed: September 27, 2013
    Publication date: January 30, 2014
    Applicant: Empire Technology Development LLC
    Inventor: Yuchen MA
  • Patent number: 8636442
    Abstract: A paving machine for laying a mat of paving material on a paving surface includes a generator, such as a switched reluctance generator, integrally installed with a pump drive and operatively connected to an output shaft of a power source of the paving machine. The generator outputs AC power to a power converter that in turn outputs DC power for a plurality of screed heating elements to produce heat to warm a screed. The paving machine may also include an insulation monitoring system for determining the occurrences of ground faults in the electrical components by comparing current levels in the components to a predetermined maximum current level. A controller of the paving machine may monitor the temperature of the generator and produce the speed of the power source to prevent overheating.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: January 28, 2014
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Thomas M. Sopko, Jr., Ryan T. Thiesse, Robert J. Lord, Toby A. Frelich, Edward Lee Zwilling, Robert Wayne Lindsey, Rodwan T. Adra
  • Patent number: 8622653
    Abstract: An apparatus and a method are described for sterilizing seed beds in soil. The apparatus is comprised of at least one hot water injecting chamber defined by a pair of spaced-apart side walls secured to one another and defining therebetween a passage. A plurality of jet holes are provided in an inner surface of each of the side walls and facing the direction of the passage. The jet holes communicate with a manifold associated with each side wall which is connected to a supply of pressurized hot water. Each of the side walls is configured to penetrate into the soil in at least a lower region thereof whereby to inject into the soil in the passage between the pair of plates the pressurized hot water as the hot water injecting chamber is displaced in the soil.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: January 7, 2014
    Inventors: Arnold Lipes, Pierre-André Daignault
  • Publication number: 20130322964
    Abstract: In a road finishing machine comprising at least one screed, a machine control, and a ventilation system including a fan, the fan can be switched on or off via the machine control automatically independent of the operator and exclusively depending on demand. According to the invention, before or during the laying operation, a defined demand for the operation of the ventilation system is determined, and during or for the laying operation, the ventilation system is operated independent of the operator and automatically, and optionally power-controlled, upon determination of the defined demand.
    Type: Application
    Filed: May 3, 2013
    Publication date: December 5, 2013
    Applicant: Joseph Vogele AG
    Inventors: Martin Buschmann, Klaus Oettinger
  • Patent number: 8591140
    Abstract: A product and method for repairing holes and cracks in roads, parking lots, sidewalks and other similar surfaces using a mixture of powder coating (i.e. dry paint) and a filler. The first step is to obtain the powder coating material. Any suitable powder coating material may be used, however, it is preferable to use the excess or waste powder coating material obtained from a powder coating operation. The next step is to mix the powder coating material with a filler, such as sand, pea gravel, or another suitable material. After the components are mixed together, it is applied to a surface needing repair such as a pothole in a road or a crack in a sidewalk. The mixture is cured by heating the mixture to the point where the powder coating melts and binds the powder coating with the filler and the surface needing repair. It may be cured before or after it is applied to the surface needing repair. After the mixture cures, the result is a high quality patched surface.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: November 26, 2013
    Inventor: Duane J. Laffey
  • Publication number: 20130266374
    Abstract: The invention provides a bituminous composition, a process for preparing a bituminous paving composition and process for bituminous paving having lower mixing, paving, and compaction temperatures than for conventional hot-mix paving while retaining sufficient performance characteristics of conventional hot-mix paving. The inventive paving process comprises the steps of injecting a foamable solution comprising a lubricating substance into a heated, asphalt binder to provide a heated, foamed mixture; adding the heated, foamed mixture to a suitable, heated aggregate; further mixing the heated, foamed mixture and heated aggregate to coat the heated aggregate with the heated, foamed, asphalt binder to form a heated paving material; supplying the heated paving material to a paving machine; applying the heated paving material by the paving machine to a surface to be paved; and compacting the applied paving material to form a paved surface.
    Type: Application
    Filed: May 31, 2013
    Publication date: October 10, 2013
    Inventor: Gerald H. Reinke
  • Patent number: 8540455
    Abstract: A fluid pavement sealer composition includes a liquid phase having a sealant component and a fluid component, and at least about 25% by volume of finely divided metal particles suspended within the liquid phase. An electrically heated element contacts a pavement surface, with the solidified pavement sealer layer covering a selected area of the pavement surface including the electrically heated element. The solidified pavement sealant layer includes at least about 25% by volume of finely divided metal particles. The electrically heated element transfers heat to the pavement sealant layer and metal particles therein to maintain the selected area of pavement surface free of ice and snow.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: September 24, 2013
    Inventor: Donald P. Maddux
  • Publication number: 20130223931
    Abstract: A microwave system for the treatment of asphalt surfaces that prevents the leakage of microwave radiation during use. The highly portable microwave treatment system prevents leakage of microwave radiation via a microwave horn and sealing shroud configuration that seals the unit to the asphalt surface being treated.
    Type: Application
    Filed: April 2, 2013
    Publication date: August 29, 2013
    Applicant: Microwave Utilities, Inc.
    Inventor: Vernon R. Hegg
  • Patent number: 8517630
    Abstract: Asphalt paving machine includes screed assembly, plurality of lower and upper plate fasteners, and upper and lower screed plates, each having openings, and an electric heater at least partially disposed between the plates. Upper and lower plate fasteners extend into openings of the respective upper and lower screed plates and bores of a frame portion of the screed assembly to couple the plates to the frame portion. The upper plate fasteners couple the upper screed plate to the frame portion independently of the lower screed plate, so the lower plate is displaceable from the upper plate and the frame portion.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: August 27, 2013
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Luke E. Graham, Jason W. Kopacz, Tobin D. Rasmusson, Timothy L. Wehrenberg
  • Patent number: 8485756
    Abstract: A motorized vehicle comprises a vehicle frame with a forward and rearward end. A rotary degradation drum is connected to an underside of the frame. A moldboard is disposed rearward to the rotary degradation drum and forms part of a milling chamber. The moldboard comprises an end disposed opposite the underside. A plurality of nozzles are disposed proximate the end of the moldboard and are configured to direct a fluid into the milling chamber. A heating mechanism is configured to heat the fluid.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: July 16, 2013
    Inventors: David R. Hall, David Wahlquist
  • Patent number: 8297875
    Abstract: A system and method to control heating of a screed assembly in a paving machine is disclosed. The system and method includes providing a plurality of screed elements in communication with a respective one of a plurality of circuit breakers through a respective one of a plurality of relays. The system and method additionally includes providing a control system in communication with the plurality of screed elements and the plurality of relays and, receiving inputs by the control system to generate an output signal based upon the inputs. Heating of each of the plurality of screed elements is accomplished in response to the output signal.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: October 30, 2012
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Jason W. Kopacz, Anthony P. Steinhagen, Jameson M. Smieja
  • Patent number: 8137025
    Abstract: An asphalt-paved road surface is rejuvenated in a multi-stage recycling process. The first process stage involves grinding, to a selected depth and width, a first strip portion of the surface and transporting it away from the site. The second process stage involves heating and grinding, to a selected temperature and depth, the upper layer of a second strip portion and moving it to the first strip portion to expose a lower layer. The third process stage involves heating and grinding, to a selected temperature and depth, the exposed lower layer of the second strip portion and moving it to the first strip portion. New asphalt is then added to rejuvenate the recycled asphalt and to maintain the grade elevation. The mixture is then placed back on the road surface using conventional means.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: March 20, 2012
    Inventor: Pat Wiley
  • Patent number: 8133540
    Abstract: This application relates to a method of applying a thermally settable coating to a patterned substrate, such as an asphalt surface. The coating is applied in one or more preformed thermoplastic sheets and heated in situ to conform the thermoplastic material to the pattern formed in the underlying substrate. In one embodiment of the invention a pattern is formed in the asphalt surface using a removable template which is impressed into the asphalt when it is in a pliable state. The pre-formed sheets are then applied to the patterned surface and gradually heated. In an alternative embodiment of the invention the template is impressed into the pre-formed sheet and asphalt surface simultaneously after the sheet has been heated to a suitable temperature in situ. A bond reduction agent may be used to minimize adhesion between the template and the heated thermoplastic material.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: March 13, 2012
    Assignee: Flint Trading, Inc.
    Inventors: Patrick Carl Wiley, Alan Juristovski
  • Patent number: 8119202
    Abstract: This application relates to a method of applying a thermally settable coating to a patterned substrate, such as an asphalt surface. The coating is applied in one or more preformed thermoplastic sheets and heated in situ to conform the thermoplastic material to the pattern formed in the underlying substrate. In one embodiment of the invention a pattern is formed in the asphalt surface using a removable template which is impressed into the asphalt when it is in a pliable state. The pre-formed sheets are then applied to the patterned surface and gradually heated. In an alternative embodiment of the invention the template is impressed into the pre-formed sheet and asphalt surface simultaneously after the sheet has been heated to a suitable temperature in situ. A bond reduction agent may be used to minimize adhesion between the template and the heated thermoplastic material.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: February 21, 2012
    Assignee: Flint Trading, Inc.
    Inventor: Patrick Carl Wiley
  • Publication number: 20120027513
    Abstract: An asphalt concrete pavement containing a wave absorbing material and a maintenance process thereof are provided. The asphalt concrete pavement includes: 1. a coarse materials consisted of small stone with a grain size of 10-15 mm, macadam with a grain size of 5-10 mm and stone chip with a grain size of 0.1-5 mm; 2. fine materials consisted of sand; 3. a mineral powder containing a wave absorbing material which accounts for 10%-100% of the mineral powder by weight percentage. Furthermore, an asphalt concrete material for making asphalt concrete pavement, a mineral powder containing a wave absorbing material, and a use of the mineral powder or wave absorbing material in making the asphalt concrete pavement are provided.
    Type: Application
    Filed: April 9, 2010
    Publication date: February 2, 2012
    Inventors: Houliang Wang, Wanzhong Guan, Bin Yuan
  • Publication number: 20110206455
    Abstract: A method of applying building a pavement structure using a polymer modified hot-applied tack coat is disclosed. This polymer modified tack coat is non-adhesive at ambient temperatures, and, thus, also non tracking. The tack is applied while hot, but cools quickly. The subsequent application of hot mix asphalt results in a superior bond between the asphalt layer and the tack layer. It is particularly well suited to bonded friction course applications since it removes the necessity of specialized spray paving machinery and allows the use of conventional asphalt distributors and pavers.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 25, 2011
    Applicant: BLACKLIDGE EMULSIONS, INC.
    Inventor: Roy Brittany Blacklidge
  • Patent number: 7993075
    Abstract: A control system for heating a screed assembly of a paving machine is provided. The control system includes a plurality of resistive heating elements positioned adjacent to a screed plate of the screed assembly. An electrical power supply is selectively connected with the resistive heating elements via switches operated by a controller. The controller is responsive to inputs from at least manual switches and temperature sensors. The controller is configured to automatically adjust the temperature of the screed plate by selectively energizing fewer than all of the resistive heating elements at a time.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: August 9, 2011
    Assignee: Caterpillar Paving Products Inc.
    Inventor: James J. Nelson
  • Publication number: 20110091276
    Abstract: A motorized vehicle comprises a vehicle frame with a forward and rearward end. A rotary degradation drum is connected to an underside of the frame. A moldboard is disposed rearward to the rotary degradation drum and forms part of a milling chamber. The moldboard comprises an end disposed opposite the underside. A plurality of nozzles are disposed proximate the end of the moldboard and are configured to direct a fluid into the milling chamber. A heating mechanism is configured to heat the fluid.
    Type: Application
    Filed: December 23, 2010
    Publication date: April 21, 2011
    Inventors: David R. Hall, David Wahlquist
  • Patent number: 7874763
    Abstract: A heating head for a paving apparatus includes a substantially cylindrical head housing, having a top housing edge axially spaced from a bottom housing edge, a sidewall having a spiral cross-sectional shape and a laterally extending top housing cover attached to at least a portion of the top housing edge. The head housing defines an air chamber and is adapted to accept and direct airflow through the heating head. The sidewall defines an intake vent at a radially outward end and an air chamber inlet at a radially inward end. The intake vent and air chamber inlet are spaced apart and in mutual fluid communication via an elongated circumferentially extending air passage to direct airflow from an exterior of the heating head to the air chamber.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: January 25, 2011
    Assignee: Asphalt Recycling System
    Inventor: Angelo Benedetti
  • Publication number: 20100316445
    Abstract: Problem to be Solved The present invention provides a method for continuous on-site repaving of an asphalt mixture layer of a road pavement and a motor-driven vehicle system therefor, while moving the motor-driven vehicle system.
    Type: Application
    Filed: November 12, 2008
    Publication date: December 16, 2010
    Applicants: Green Arm Co., Ltd., Sumitomo Construction Machinery Sales Co., Ltd., Hitachi Construction Machinery Co., Ltd.
    Inventors: Atsushi Kasahara, Fumio Goto, Atsuki Gomi, Takashi Okuno, Takeshi Kunishima, Hoeyum Yoon
  • Publication number: 20100232877
    Abstract: A method and a system for heating such as ground heating or curing concrete.
    Type: Application
    Filed: July 16, 2009
    Publication date: September 16, 2010
    Applicant: Green Power Technology, Inc.
    Inventors: Charles W. Sanvik, James A. Olson, Shawn R. Yurczyk
  • Patent number: 7780373
    Abstract: The invention relates to making compacted snow pavements and can be used in apparatuses for compacting snow mass. The inventive apparatus for making compacted snow pavements comprises a front sliding support 1, a rear sliding support 2, a power generator 7, a heat unit 5 having a working zone and provided with a means for supplying heat to snow mass through the working zone, and a means 11 for dynamic compaction. The heat unit 5 is made in the form of at least one separate heat module. The means for supplying heat is arranged so as to be capable of adjusting intensity of the heat flow and fixing the direction in which it is supplied to the working zone. The method of making a compacted snow pavement consists in using the inventive apparatus. The technical result attainable thereby resides in providing a pavement that possesses high load-bearing capacity, wear resistance as well as improved gripping characteristics.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: August 24, 2010
    Inventor: Dmitry Nikolaevich Ustyugov
  • Patent number: RE46971
    Abstract: The present invention is a flexible skid steer road widening and shouldering attachment device with an adjustable spreader system which gives the operator precise control over the placement of debris.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: July 31, 2018
    Inventor: Duane A. Neumann