Patents by Inventor Milton K. Roark

Milton K. Roark 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 OF SEPARATING AND CLEANING OF POST CONSUMER CARPET FACE YARN FROM CARPET BACKING AND YARN PRODUCT PRODUCED THEREFROM
    Publication number: 20110257345
    Abstract: A process for producing a synthetic fiber composition with reclaimed post consumer carpet yarn, wherein face yarn is shaved from post consumer carpet using a shaving device to provide shaved face yarn, the shaved face yarn is reduced in size, contaminants are removed using mechanical screeners, the shaved face yarn is melt filtered, and spun into fiber.
    Type: Application
    Filed: June 20, 2011
    Publication date: October 20, 2011
    Applicant: UNIVERSAL FIBERS, INC.
    Inventors: George T. Hoover, JR., Milton K. Roark, Brendan F. McSheehy, JR., Mathew B. Studholme
  • Method of separation and cleaning of post consumer carpet face yarn from carpet backing yarn product produced therefrom
    Publication number: 20090082476
    Abstract: A process for producing a synthetic fiber composition with reclaimed post consumer carpet yam, wherein face yam is shaved from post consumer carpet using a shaving device to provide shaved face yam, the shaved face yam is reduced in size, contaminants are removed using mechanical screeners, the shave face yam is melt filtered, and then fiber spun.
    Type: Application
    Filed: May 29, 2008
    Publication date: March 26, 2009
    Inventors: George T. Hoover, JR., Milton K. Roark, Brendan F. McSheehy, JR., Matthew B. Studholme
  • Process for making poly(trimethylene terephthalate) yarn
    Patent number: 6109015
    Abstract: In a method of producing poly(trimethylene terephthalate) yarn from PTT chip which has been extruded through a spinneret into filaments and coated, the coated filaments are passed between an unheated feed roll and a tension roll to tension them without causing permanent stretching, and then are passed from the tension roll to a heated draw roll to draw the filaments in a single draw step to a draw ratio of 1.25 to 4.0 and to heat them to a temperature between their glass transition temperature and their crystallization temperature.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: August 29, 2000
    Assignee: Prisma Fibers, Inc.
    Inventors: Milton K. Roark, Matthew B. Studholme