Patents by Inventor Gilbert C. Bell

Gilbert C. Bell 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).

  • Process for spiral wrapping reinforcement filaments
    Patent number: 4607481
    Abstract: There is disclosed an improved feedstock package for a spiraling machine. The package comprises filamentary yarn having a twist of less than 5 tpi wound around a king spool. In contrast to prior art cone packages, the invention significantly reduces package distortion and threadline breakage in high speed spiraling operations employed in, for example, making reinforced plastic hose. Preferred embodiments include the yarn being greige yarn and the package rotational speeds on the spiraling machine being at least 1,400 rpm.
    Type: Grant
    Filed: November 29, 1984
    Date of Patent: August 26, 1986
    Assignee: Celanese Corporation
    Inventors: Gilbert C. Bell, Harry W. Stanhope
  • Yarn package for spiralers
    Patent number: 4516394
    Abstract: There is disclosed an improved feedstock package for a spiraling machine. The package comprises filamentary yarn having a twist of less than 5 tpi wound around a king spool. In contrast to prior art cone packages, the invention significantly reduces package distortion and threadline breakage in high speed spiraling operations employed in, for example, making reinforced plastic hose. Preferred embodiments include the yarn being greige yarn and the package rotational speeds on the spiraling machine being at least 1,400 rpm.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: May 14, 1985
    Assignee: Celanese Corporation
    Inventors: Gilbert C. Bell, Harry W. Stanhope