Patents by Inventor E. Bruce Colby

E. Bruce Colby 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).

  • Patent number: 11345107
    Abstract: A tread for bonding to a tire carcass to form a retreaded tire having a length, a width, a top side and a bottom side. The tread also includes a central portion and a pair of wing portions extending laterally from the central portions. The top sides of each wing portion include one or more discontinuities having a longitudinal component and configured to resist deflection when subjected to a force from the bottom side and to deflect downwardly when subjected to a force from the top side. In particular embodiments, the one or more discontinuities are arranged within each wing portion are arranged within a thickened portion of each wing portion.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: May 31, 2022
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: Dimitri Tsihlas, E. Bruce Colby, Cesar E. Zarak, Michael Widmyer
  • Publication number: 20210187888
    Abstract: The invention includes methods for forming a retreaded tire and treads there for. Particular embodiments of such methods include providing a tire carcass configured to receive a tire tread along an annular tread-receiving area and a pre-formed tread comprising a tread body and a submerged void arranged along a bottom side of the tread and extending into the tread thickness to a top end located below the top side of the tread, the submerged void having a length and an opening arranged along the bottom side when the tread is in an uninstalled configuration, where the opening of the submerged void extends in a direction of the submerged groove length along an alternating, non-linear path. Further steps include assembling a retreaded tire by arranging the tire tread atop a bonding layer arranged between the tire tread and the tire carcass and comprising uncured bonding material.
    Type: Application
    Filed: March 3, 2021
    Publication date: June 24, 2021
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: E. Bruce COLBY, Metodi L. IKONOMOV, Dimitri G. TSIHLAS, Michael C. CHANDLER, Michael WIDMYER
  • Patent number: 10953617
    Abstract: The invention includes methods for forming a retreaded tire and treads there for. Particular embodiments of such methods include providing a tire carcass configured to receive a tire tread along an annular tread-receiving area and a pre-formed tread comprising a tread body and a submerged void arranged along a bottom side of the tread and extending into the tread thickness to a top end located below the top side of the tread, the submerged void having a length and an opening arranged along the bottom side when the tread is in an uninstalled configuration, where the opening of the submerged void extends in a direction of the submerged groove length along an alternating, non-linear path. Further steps include assembling a retreaded tire by arranging the tire tread atop a bonding layer arranged between the tire tread and the tire carcass and comprising uncured bonding material.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: March 23, 2021
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: E. Bruce Colby, Metodi L. Ikonomov, Dimitri G. Tsihlas, Michael C. Chandler, Michael Widmyer
  • Patent number: 10717248
    Abstract: The invention includes methods for forming a retreaded tire, and treads there for. Particular embodiments of such methods provide a tire tread, the tire tread having a bottom side and a top side configured for engaging a ground surface, a thickness extending between the top side and the bottom side, and a pair of opposing lateral sides defining a width of the tread, the bottom side having one or more submerged voids extending from the bottom side into the tread thickness to form a tread pattern, the submerged voids having a depth less than the thickness and the top side being free of any exposed voids comprising a groove. Further steps include applying the tire tread to a tire carcass, curing the tire tread to the tire carcass, and forming one or more voids into the tread thickness the top side of the tread after the step of bonding.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: July 21, 2020
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: E. Bruce Colby, Metodi L. Ikonomov, Dimitri G. Tsihlas, Michael Widmyer, Cesar E. Zarak
  • Publication number: 20190283353
    Abstract: A tread for bonding to a tire carcass to form a retreaded tire having a length, a width, a top side and a bottom side. The tread also includes a central portion and a pair of wing portions extending laterally from the central portions. The top sides of each wing portion include one or more discontinuities having a longitudinal component and configured to resist deflection when subjected to a force from the bottom side and to deflect downwardly when subjected to a force from the top side. In particular embodiments, the one or more discontinuities are arranged within each wing portion are arranged within a thickened portion of each wing portion.
    Type: Application
    Filed: June 6, 2019
    Publication date: September 19, 2019
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Dimitri TSIHLAS, E. Bruce COLBY, Cesar E. ZARAK, Michael WIDMYER
  • Patent number: 10377102
    Abstract: The invention includes methods of forming a retreaded tire, and treads there for. Particular embodiments of such methods provide a tire carcass configured to receive the tire tread along an annular tread-receiving area and a pre-cured tire tread including a tread body and a detachable connector. The connector is arranged within a thickness of the tread between a top void portion and a bottom void portion and extending across a width of the top void portion and of the bottom void portion. The detachable connector is configured to separate from the tread upon application of a separation force. Further steps include assembling a retreaded tire by arranging the tire tread atop a bonding layer arranged between the tire tread and the tire carcass, bonding the tire tread to the tire carcass, and removing the detachable connector from the top void portion after the step of bonding.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: August 13, 2019
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: E. Bruce Colby, Metodi L. Ikonomov, Cesar E. Zarak, Michael Widmyer, Dimitri G. Tsihlas
  • Patent number: 10336026
    Abstract: A method for increasing effective skid depth on a retreaded tire is provided along with a retreaded tire assembly. A kit for increasing effective skid depth of a retreaded tire is also provided.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: July 2, 2019
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: E Bruce Colby, Cesar Enrique Zarak
  • Patent number: 10336140
    Abstract: The present invention concerns tire treads having projecting features comprising wear indicators, stone ejectors, and/or noise suppressors arranged within voids submerged below the top, outer side of a tread. Particular embodiments of the invention provide a tire tread having a submerged void extending into to the tread thickness from the bottom side of the tread to a terminal location spaced below the tread top side, the top side forming a ground-engaging side of the tread. Such embodiments further include a plurality of projecting features arranged within the submerged void below the terminal location of the submerged void, the plurality of projecting features being further arranged in a spaced arrangement along a length of the submerged void, each of the plurality of projecting features extending partially across a width of the submerged void, which may comprise a groove, for example. The invention includes methods of forming the tread and a treaded tire.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: July 2, 2019
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: E. Bruce Colby, Dimitri G. Tsihlas, Zarak E. Cesar
  • Patent number: 10239272
    Abstract: The present invention includes methods for forming a retreaded tire, which includes the steps of providing an annular tire carcass and providing a plurality of tread components each comprising an independent structure, which are then assembled to form an assembled tire tread. The tread is subsequently bonded to the tire carcass to form a retreaded tire, the tire tread being arranged along an outer circumference of the annular tire carcass with a bonding layer between the tire tread and the tire carcass, the bonding layer comprising an uncured elastomeric material being cured during the step of bonding. The tire tread is assembled such that the plurality of tread components are concurrently arranged around the outer circumference of the tire carcass to form a tire tread.
    Type: Grant
    Filed: March 31, 2013
    Date of Patent: March 26, 2019
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Metodi L. Ikonomov, E. Bruce Colby, Dimitri G. Tsihlas, Michael Widmyer, Cesar E. Zarak
  • Patent number: 10183456
    Abstract: Particular embodiments include a retreaded tire and a method for retreading a tire. A method may include providing a tire tread having a thickness and a width with grooves extending into the thickness from a tread top side, and providing a tire carcass having an annular tread-receiving side. The method may include applying the tread to the tire carcass with a layer of bonding material arranged between the tread and the tire carcass, and evacuating a gas from between the tire carcass and the tread bottom side through an aperture extending through the tread thickness, the aperture being formed by piercing the tread thickness with a suctioning member arranged in operable communication with a vacuum source, and bonding the tread to the tire carcass. In particular embodiments, portions of the bottom side of the tread beneath the grooves are not bonded to the tire carcass or the bonding layer.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: January 22, 2019
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: Metodi L. Ikonomov, Cesar E. Zarak, E. Bruce Colby
  • Patent number: 10150269
    Abstract: The present invention includes an improved tire tread having recessed lateral grooves, and a tire having the same. Particular embodiments of the tread include a tread thickness bounded depthwise by a top side configured to engage a ground surface during tire operation and a bottom side configured to attach to a tire carcass, the thickness extending laterally between a first side edge and a second side edge and longitudinally in a lengthwise direction of the tread. The tread further includes a longitudinal groove in fluid communication with the top side or the bottom side of the tread thickness and a lateral groove in fluid communication with the bottom side of the tread thickness extending from the first side edge intersecting the longitudinal groove forming a vent passageway extending from the longitudinal groove and to the first side edge. The invention includes methods of forming such treads and molds there for.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: December 11, 2018
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: E. Bruce Colby, Dimitri G. Tsihlas, Cesar E. Zarak, Metodi L. Ikonomov
  • Patent number: 10035313
    Abstract: Methods and apparatus for applying a repair patch to a damaged portion of a tire, the steps of the method including removably positioning the patch in a repair position overlapping the damaged portion, pulling a tab to remove a protective sheet to uncover at least a portion of the bonding surface while the patch is in contact with the tire, and pressing the uncovered bonding surface into contact with the tire.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: July 31, 2018
    Assignee: Compagnie Generale des Etablissements Michelin
    Inventors: E. Bruce Colby, Cesar Enrique Zarak
  • Publication number: 20160229142
    Abstract: A method for increasing effective skid depth on a retreaded tire is provided along with a retreaded tire assembly. A kit for increasing effective skid depth of a retreaded tire is also provided.
    Type: Application
    Filed: September 27, 2013
    Publication date: August 11, 2016
    Inventors: E BRUCE COLBY, CESAR ENRIQUE ZARAK
  • Publication number: 20160221288
    Abstract: A method for preparing a retreaded tire is provided in which a bottom tread surface is configured to introduce microroughness and macroroughness thereon for adhesion with a tire carcass during a retread process. A tire tread having a tread bottom surface so configured is also provided.
    Type: Application
    Filed: September 8, 2014
    Publication date: August 4, 2016
    Inventors: CESAR ENRIQUE ZARAK, E BRUCE COLBY
  • Publication number: 20160207268
    Abstract: The invention includes methods of forming a retreaded tire, and treads there for. Particular embodiments of such methods provide a tire carcass configured to receive the tire tread along an annular tread-receiving area and a pre-cured tire tread including a tread body and a detachable connector. The connector is arranged within a thickness of the tread between a top void portion and a bottom void portion and extending across a width of the top void portion and of the bottom void portion. The detachable connector is configured to separate from the tread upon application of a separation force. Further steps include assembling a retreaded tire by arranging the tire tread atop a bonding layer arranged between the tire tread and the tire carcass, bonding the tire tread to the tire carcass, and removing the detachable connector from the top void portion after the step of bonding.
    Type: Application
    Filed: August 30, 2013
    Publication date: July 21, 2016
    Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.
    Inventors: E. Bruce COLBY, Metodi L. IKONOMOV, Cesar E. ZARAK, Michael WIDMYER, Dimitri G. TSIHLAS
  • Publication number: 20160207269
    Abstract: The invention includes methods for forming a retreaded tire and treads there for. Particular embodiments of such methods include providing a tire carcass configured to receive a tire tread along an annular tread-receiving area and a pre-formed tread comprising a tread body and a submerged void arranged along a bottom side of the tread and extending into the tread thickness to a top end located below the top side of the tread, the submerged void having a length and an opening arranged along the bottom side when the tread is in an uninstalled configuration, where the opening of the submerged void extends in a direction of the submerged groove length along an alternating, non-linear path. Further steps include assembling a retreaded tire by arranging the tire tread atop a bonding layer arranged between the tire tread and the tire carcass and comprising uncured bonding material.
    Type: Application
    Filed: August 30, 2013
    Publication date: July 21, 2016
    Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.
    Inventors: E. Bruce COLBY, Metodi L. IKONOMOV, Dimitri G. TSIHLAS, Michael C. CHANDLER, Michael WIDMYER
  • Patent number: 9387635
    Abstract: Particular embodiments of the invention include methods and apparatus for deforming a tire sidewall. Such methods include the step of providing a tire having at least one sidewall connected to a corresponding bead. A further step includes constraining at least one of the sidewall and bead from moving laterally toward the other. Yet another step of such methods includes engaging the sidewall with an inclined member. Another step of such methods includes moving at lest one of the sidewall and bead in a lateral direction away from the other until the sidewall is laterally deformed into a laterally deformed configuration.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: July 12, 2016
    Assignees: Michelin Recherche et Technique S.A., Compagnie Generale des Etablissements Michelin
    Inventors: Metodi L. Ikonomov, Adib Tony Chebli, Cesar E. Zarak, E. Bruce Colby
  • Patent number: 9370971
    Abstract: Embodiments include methods for retreading a tire, which include providing a tire carcass for retreading, the tire carcass having a pre-existing tread layer including one or more voids extending into the tread layer thickness from an outer side. A bonding layer is applied along an outer side of the pre-existing tread layer, the bonding layer substantially filling the voids arranged along the outer side of the pre-existing tread layer to provide an outer surface for receiving a pre-cured tread layer. The pre-cured tread layer is applied along an outer side of the bonding layer such that the bonding layer is arranged between the pre-cured tread layer and the pre-existing tread layer. The pre-cured tread layer is bonded to the tire carcass to form a retreaded tire having a retreaded tire tread. Grooves are then formed in the retreaded tire tread along a ground-engaging, outer side of the retreaded tire tread.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: June 21, 2016
    Assignees: Compagnie Generale Des Etablissements Michelin, Michelin Recherche et Technique S.A.
    Inventors: E. Bruce Colby, Dimitri G. Tsihlas, Cesar E. Zarak
  • Publication number: 20160101582
    Abstract: Particular embodiments include a retreaded tire and a method for retreading a tire. A method may include providing a tire tread having a thickness and a width with grooves extending into the thickness from a tread top side, and providing a tire carcass having an annular tread-receiving side. The method may include applying the tread to the tire carcass with a layer of bonding material arranged between the tread and the tire carcass, and evacuating a gas from between the tire carcass and the tread bottom side through an aperture extending through the tread thickness, the aperture being formed by piercing the tread thickness with a suctioning member arranged in operable communication with a vacuum source, and bonding the tread to the tire carcass. In particular embodiments, portions of the bottom side of the tread beneath the grooves are not bonded to the tire carcass or the bonding layer.
    Type: Application
    Filed: April 30, 2013
    Publication date: April 14, 2016
    Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Metodi L. IKONOMOV, Cesar E. ZARAK, E. Bruce Colby
  • Publication number: 20160052218
    Abstract: The present invention include tire treads and methods of forming a retreaded tire, which includes the steps of providing an annular tire carcass configured for receiving a tread and providing a plurality of tread components each comprising an independent structure. The plurality of tread components are then assembled to form a tire tread, the tire tread having a thickness extending between a top side configured to engage a ground surface during tire operation and a bottom side configured for attachment to an annular tire carcass configured for receiving the tire tread. The assembled tread is bonded to the tire carcass to form a retreaded tire, the tire tread being arranged along an outer circumference of the annular tire carcass with a bonding layer between the tire tread and the tire carcass, where bonding layer includes an uncured elastomeric material being cured during the step of bonding.
    Type: Application
    Filed: March 31, 2013
    Publication date: February 25, 2016
    Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Metodi L. IKONOMOV, E. Bruce COLBY, Michael WIDMYER