Patents by Inventor Burton W. Spear

Burton W. Spear 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: 4865897
    Abstract: This invention relates to rigid molded tong inserts for take-out tong members for handling hot glass articles and the like immediately following their molding. The inserts are utilized in pairs being heat and wear-resistant with exposed metallic working surfaces substantially surrounded by molded thermoset-hardened heat-cured insulating plastic material. The inserts have essentially flat parallel surfaces with a metallic reinforcing member integrally molded therewithin, the metallic reinforcing member having a semi-circular shaped exposed working surface adapted to directly contacting the finish area of the hot glass articles and a diametrically-disposed exposed flanged working surface adapted to non-wearing support within a retaining metallic take-out tong member.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: September 12, 1989
    Assignee: Dura Temp Corporation
    Inventors: Wolfgang W. Bode, Burton W. Spear