Patents Assigned to Minnesota Mining and Manufacting Company
  • Molded brush
    Patent number: 5915436
    Abstract: A molded brush having a backing with a plurality of bristles extending therefrom. The backing and bristles are preferably integrally molded. The brush is molded from a moldable polymer such a thermoset polymer, thermoplastic polymer, or thermoplastic elastomer. The molded brush can include an attaching means molded integrally with the backing. Also disclosed is a method of making a molded brush and a method of refining a workpiece surface with a molded brush.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: June 29, 1999
    Assignee: Minnesota Mining and Manufacting Company
    Inventors: David E. Johnson, Lawrence J. Mann, Scott M. Mevissen, Richard M. Pihl, David C. Roeker