Patents Assigned to Guill Tool & Engineering Co., Ltd.
  • Extrudable polymer composites with membrane barrier properties
    Patent number: 10828817
    Abstract: The present disclosure generally relates to extrusion die systems. In particular, the present disclosure relates to the cyclical extrusion of materials to generate small sized grain features, generally in the range of nanosized grain features, in a tubular or profile shape, in which the individual nanolayers possess pores and/or polymer crystals oriented parallel to the extrusion flow direction and including products with enhanced permeation properties.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: November 10, 2020
    Assignee: Guill Tool & Engineering Co., Ltd.
    Inventors: Richard Guillemette, Robert Peters, Christopher Hummel