Patents by Inventor Alexander Stuart Caunce
Alexander Stuart Caunce has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10940625Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: GrantFiled: April 27, 2018Date of Patent: March 9, 2021Assignee: EHC CANADA, INC.Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce, Reginald Anthony Butwell
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Patent number: 10464249Abstract: An article may include a carcass or jacket, and at least one composite member arranged within the carcass or jacket for inhibiting longitudinal stretch of the article. The composite member may include a plurality of fibers arranged in a polymeric binder, the polymeric binder bonding the composite member to the carcass or jacket. The carcass or jacket may be formed substantially of rubber or thermoplastic elastomer. The plurality of fibers may include fibers formed substantially from at least one of S-glass, aramid and carbon fiber. The polymer binder may be formed substantially of a thermoplastic material or of a thermoset material. In manufacturing of the article, the carcass or jacket may be extruded to surround the composite member. The article may be a handrail or an elevator belt.Type: GrantFiled: July 21, 2017Date of Patent: November 5, 2019Assignee: EHC CANADA, INC.Inventors: Andrew Oliver Kenny, Naseer Mohammad Qureshi, Alexander Stuart Caunce, Douglas James Weatherall, Qingping Guo, Michael Degli Angeli
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Patent number: 10350807Abstract: A method of and apparatus for extruding an article of uniform cross-section, the article including a thermoplastic material and at least one cable for inhibiting stretch of the article. The cable is supplied to a respective tube and is conveyed between upstream and downstream ends. The thermoplastic material may be supplied to the downstream end of the tube. The thermoplastic material is brought together with the cable to embed the cable within the thermoplastic material, thereby forming a composite extrudate. The tube is configured to at least hinder movement of loose windings of the cable from the downstream end towards the upstream end, which may prevent or at least reduce incidence of “birdcaging”.Type: GrantFiled: June 17, 2016Date of Patent: July 16, 2019Assignee: EHC CANADA, INC.Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce, Reginald Anthony Butwell
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Publication number: 20180243963Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce, Reginald Anthony Butwell
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Patent number: 9981415Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: GrantFiled: June 19, 2015Date of Patent: May 29, 2018Assignee: EHC CANADA, INC.Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce, Reginald Anthony Butwell
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Publication number: 20180111304Abstract: A method of and apparatus for extruding an article of uniform cross-section, the article including a thermoplastic material and at least one cable for inhibiting stretch of the article. The cable is supplied to a respective tube and is conveyed between upstream and downstream ends. The thermoplastic material may be supplied to the downstream end of the tube. The thermoplastic material is brought together with the cable to embed the cable within the thermoplastic material, thereby forming a composite extrudate. The tube is configured to at least hinder movement of loose windings of the cable from the downstream end towards the upstream end, which may prevent or at least reduce incidence of “birdcaging”.Type: ApplicationFiled: June 17, 2016Publication date: April 26, 2018Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce, Reginald Anthony Butwell
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Publication number: 20180022005Abstract: An article may include a carcass or jacket, and at least one composite member arranged within the carcass or jacket for inhibiting longitudinal stretch of the article. The composite member may include a plurality of fibers arranged in a polymeric binder, the polymeric binder bonding the composite member to the carcass or jacket. The carcass or jacket may be formed substantially of rubber or thermoplastic elastomer. The plurality of fibers may include fibers formed substantially from at least one of S-glass, aramid and carbon fiber. The polymer binder may be formed substantially of a thermoplastic material or of a thermoset material. In manufacturing of the article, the carcass or jacket may be extruded to surround the composite member. The article may be a handrail or an elevator belt.Type: ApplicationFiled: July 21, 2017Publication date: January 25, 2018Inventors: Andrew Oliver Kenny, Naseer Mohammad Qureshi, Alexander Stuart Caunce, Douglas James Weatherall, Qingping Guo, Michael Degli Angeli
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Patent number: 9579839Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: GrantFiled: August 24, 2012Date of Patent: February 28, 2017Assignee: EHC CANADA, INC.Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce
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Publication number: 20150283750Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: ApplicationFiled: June 19, 2015Publication date: October 8, 2015Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce, Reginald Anthony Butwell
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Patent number: 8820511Abstract: Modified handrails for use in escalators, moving walkways and other transportation apparatus are provided. Handrail can include a configuration for a cable array as a stretch inhibitor that reduces cable buckling under severe flexing conditions. Handrail can also include a configuration for first and second thermoplastic layers in the lip portions that reduces strain and bending stresses and increases fatigue failure life under cyclic loading conditions. Handrail can also include, for the stretch inhibitor, the use of cables comprising large outer strands and small inner strands that enable penetration and adhesion within the first layer and can reduce incidence of fretting or corrosion.Type: GrantFiled: September 10, 2008Date of Patent: September 2, 2014Assignee: EHC Canada, Inc.Inventors: Viqar Haider, Andrew Oliver Kenny, Alexander Stuart Caunce
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Publication number: 20120321734Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: ApplicationFiled: August 24, 2012Publication date: December 20, 2012Applicant: EHC CANADA, INC.Inventors: Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce
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Publication number: 20100283173Abstract: A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.Type: ApplicationFiled: September 10, 2008Publication date: November 11, 2010Inventors: Andrew Oliver Kenny, Douglas James Weathrall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce
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Publication number: 20100258403Abstract: Modified handrails for use in escalators, moving walkways and other transportation apparatus are provided. Handrail can include a configuration for a cable array as a stretch inhibitor that reduces cable buckling under severe flexing conditions. Handrail can also include a configuration for first and second thermoplastic layers in the lip portions that reduces strain and bending stresses and increases fatigue failure life under cyclic loading conditions. Handrail can also include, for the stretch inhibitor, the use of cables comprising large outer strands and small inner strands that enable penetration and adhesion within the first layer and can reduce incidence of fretting or corrosion.Type: ApplicationFiled: September 10, 2008Publication date: October 14, 2010Inventors: Viqar Haider, Andrew Oliver Kenny, Alexander Stuart Caunce