Patents by Inventor Hendrik Berend Olde

Hendrik Berend Olde 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 for improving filament cohesiveness of chopped aramid fiber
    Patent number: 8075820
    Abstract: The invention pertains to a method for improving filament cohesiveness of chopped aramid fiber including the steps of impregnating a film-forming binding agent into the fiber, drying the fiber, optionally applying a finish to the fiber, and chopping the fiber to pieces of 1 to 16 mm length, characterized in that the fiber prior to applying the binding agent is subjected to a twisting process to obtain a fiber having a twisting level of 10 to 150 tpm and that the chopping of the fiber is performed in a rotary chopper.
    Type: Grant
    Filed: July 1, 2006
    Date of Patent: December 13, 2011
    Assignee: Teijin Aramid B.V.
    Inventors: Stephanus Willemsen, Hendrik Berend Olde
  • Method for Improving Filament Cohesiveness of Chopped Aramid Fiber
    Publication number: 20080251965
    Abstract: The invention pertains to a method for improving filament cohesiveness of chopped aramid fiber including the steps of impregnating a film-forming binding agent into the fiber, drying the fiber, optionally applying a finish to the fiber, and chopping the fiber to pieces of 1 to 16 mm length, characterized in that the fiber prior to applying the binding agent is subjected to a twisting process to obtain a fiber having a twisting level of 10 to 150 tpm and that the chopping of the fiber is performed in a rotary chopper.
    Type: Application
    Filed: July 1, 2006
    Publication date: October 16, 2008
    Applicant: TEIJIN ARAMID B.V.
    Inventors: Stephanus Willemsen, Hendrik Berend Olde