Patents by Inventor Dae Chun Ma

Dae Chun Ma 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).

  • Patent number: 9023161
    Abstract: Provided is a finishing treatment method of seamless sportswear and outdoor clothing, including: welding two or more moisture-permeable waterproof fabrics with an ultrasonic welder in a state of overlapping end parts thereof each other; and finishing the end parts of the moisture-permeable waterproof fabrics with a seal sealing tape, whereby in the seamless sportswear and outdoor clothing which are finishing treated according to the embodiments of the present invention, since a sewing part such as over lock and the like is removed, a friction or compression phenomenon can be prevented from being generated from a part to which a pressure is applied, a sewing wrinkle generation phenomenon generated upon sewing and a coating face slip phenomenon of the moisture-permeable waterproof fabric due to a sewing needle can be solved, and excellent tensile strength and waterproof performance can be realized.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: May 5, 2015
    Assignee: Korea Institute of Industrial Technology
    Inventors: Dae Chun Ma, Hee Cheol Cha, Jun Ho Park, Jee Young Lim
  • Publication number: 20140190614
    Abstract: Provided is a finishing treatment method of seamless sportswear and outdoor clothing, including: welding two or more moisture-permeable waterproof fabrics with an ultrasonic welder in a state of overlapping end parts thereof each other; and finishing the end parts of the moisture-permeable waterproof fabrics with a seal sealing tape, whereby in the seamless sportswear and outdoor clothing which are finishing treated according to the embodiments of the present invention, since a sewing part such as over lock and the like is removed, a friction or compression phenomenon can be prevented from being generated from a part to which a pressure is applied, a sewing wrinkle generation phenomenon generated upon sewing and a coating face slip phenomenon of the moisture-permeable waterproof fabric due to a sewing needle can be solved, and excellent tensile strength and waterproof performance can be realized.
    Type: Application
    Filed: November 8, 2012
    Publication date: July 10, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Dae Chun Ma, Hee Cheol Cha, Jun Ho Park, Jee Young Lim