Patents Assigned to R. Charles Balmer
  • Patent number: 5911932
    Abstract: Disclosed is a process of forming a prepreg material having substantially no voids. According to the process of the invention, the reinforcing material is heated to a temperature above the temperature of the impregnating resin. The prepreg formed has substantially no voids and does not require lengthy consolidation when formed into useful articles.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: June 15, 1999
    Assignee: R. Charles Balmer
    Inventor: Joel A. Dyksterhouse