Patents by Inventor Peter D. Hetzel

Peter D. Hetzel 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).

  • Support for tread band buffing
    Patent number: 8303371
    Abstract: An apparatus and method of roughening the sole side surface of a tread band is provided wherein the sole side surface of a tread band is roughened with at least one abrasive roller. The bottom of at least one groove in a tread side of the tread band is supported while the abrasive roller is roughening the sole side surface opposite the supported groove.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: November 6, 2012
    Assignee: Michelin Recherche et Technique S.A.
    Inventor: Peter D. Hetzel
  • Tread with Antidegradant Reservoir
    Publication number: 20120097302
    Abstract: A tread band (16) and tire (10) having a tread band (16) bonded thereto, particular embodiments including a tread band (16) having an antidegradant reservoir (34) forming a part of the tread band (16) and having a rubber composition mixed with an antidegradant at a higher antidegradant concentration than an adjacent rubber composition (38) with the antidegradant reservoir (34) being in diffusive communication with the base surface (22) of a tread shoulder (36).
    Type: Application
    Filed: August 31, 2007
    Publication date: April 26, 2012
    Inventor: Peter D. Hetzel
  • Support For Tread Band Buffing
    Publication number: 20100323583
    Abstract: An apparatus and method of roughening the sole side surface of a tread band is provided wherein the sole side surface of a tread band is roughened with at least one abrasive roller. The bottom of at least one groove in a tread side of the tread band is supported while the abrasive roller is roughening the sole side surface opposite the supported groove.
    Type: Application
    Filed: November 30, 2006
    Publication date: December 23, 2010
    Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., SOCIETE DE TECHNOLOGIE MICHELIN
    Inventor: Peter D. Hetzel
  • Rubber Retreading Formulation
    Publication number: 20100139825
    Abstract: A cushion gum of having a diene rubber and between 5 and 60 phr of a plasticizing hydrocarbon resin having a glass transition temperature greater than about 20° C., 60° C. or even greater than 70° C. and a number average molecular weight less than 2000. The cushion gum may comprise between 10 and 30 phr of the resin in particular embodiments. The plasticizing resin may be a terpene resin comprising units resulting from the polymerization of limonene, alpha pinene, beta pinene or combinations thereof; homopolymers or copolymers of cyclopentadiene (CPD) or dicyclopentadiene (DCPD), homopolymers or copolymers of terpene, homopolymers or copolymers of a C5 cut and mixtures thereof; and/or copolymers of (D)CPD/vinyl-aromatic, of (D)CPD/terpene, of (D)CPD/C5 cut, of terpene/vinyl-aromatic, of C5 cut/vinyl-aromatic and of combinations thereof.
    Type: Application
    Filed: April 23, 2007
    Publication date: June 10, 2010
    Inventor: Peter D. Hetzel