Patents by Inventor Bruce E. Bochnak

Bruce E. Bochnak 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).

  • Method and apparatus for making paint roller cover
    Patent number: 5694688
    Abstract: A paint roller cover with thermoplastic core and method and apparatus for making same by spirally wrapping a strip of hot extruded thermoplastic film onto an exterior surface of hollow thermoplastic tubing and spirally wrapping a strip of fabric having a thermoplastic backing onto the spiral wound strip of thermoplastic film while the thermoplastic film is still sufficiently hot to cause the thermoplastic film to flow into interstices in the thermoplastic backing of the fabric and permanently bond the fabric to the exterior surface of the tubing. The fabric covered tubing is then cooled and separated into a plurality of individual lengths of fabric covered tubes.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: December 9, 1997
    Assignee: The Wooster Brush Company
    Inventors: Gordon F. Musch, Serafin J. Gerardo, Dennis D. Humphrey, Bruce E. Bochnak, Richard L. Barker, William J. Roberts, Harold R. Young
  • Method and apparatus for making paint roller cover with thermo plastic core
    Patent number: 5537745
    Abstract: A method and apparatus for making a paint roller cover by spirally wrapping a strip of hot extruded thermoplastic film onto an exterior surface of hollow thermoplastic tubing and spirally wrapping a strip of fabric having a thermoplastic backing onto the spiral wound strip of thermoplastic film while the thermoplastic film is still sufficiently hot to cause the thermoplastic film to flow into interstices in the thermoplastic backing of the fabric and permanently bond the fabric to the exterior surface of the tubing. The fabric covered tubing is then cooled and separated into a plurality of individual lengths of fabric covered tubes.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: July 23, 1996
    Assignee: The Wooster Brush Company
    Inventors: Gordon E. Musch, Serafin J. Gerardo, Dennis D. Humphrey, Bruce E. Bochnak, Richard L. Barker, William J. Roberts, Harold R. Young