Patents Assigned to Speciality Filaments, Inc.
  • Patent number: 6174600
    Abstract: A synthetic bristle including a substantially continuous phase of polymer with spaced-apart microparticles in the interior thereof, at least some of said microparticles being close to the surface thereof for creating rough and irregular surface regions. The bristle can include a blowing agent in it, in addition to the microparticles, and the microparticles preferably are hollow glass beads. Brushes employing at least 5% by weight of the bristles of this invention also constitute a part of this invention, with the preferred brushes being applicator brushes, such as paintbrushes.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: January 16, 2001
    Assignee: Speciality Filaments, Inc.
    Inventors: James M. Brown, Tom R. Huskey, David Prawdzik, Joseph M. Collins
  • Patent number: 5701629
    Abstract: A polymer bristle (100) for a liquid-applying brush such as a paint brush includes in cross section a central bore (95), an annulus (96) and preferably three radiating spokes (97) with parallel sides and rounded tips. The bristle is tapered from a thick end (101) that is bundled into the ferrule of a brush toward a thin end (103). The bristle may be flagged by slits (130).
    Type: Grant
    Filed: July 19, 1995
    Date of Patent: December 30, 1997
    Assignee: Speciality Filaments, Inc.
    Inventor: Timothy D. O'Brien