Patents by Inventor Chi Cheng Lu

Chi Cheng Lu 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: 6792885
    Abstract: A method for manufacturing an invisible trademark zipper comprises (1) transferring a continued yard strip printed thereon with complementary halves of a pattern facing down into a weaving machine; (2) synchronizing two zipper teeth by passing the two zipper teeth through a teeth driving device, thereafter transferring the two zipper teeth together with the continued yard strip into the weaving machine; (3) sewing the two zipper teeth on predetermined positions at two sides of a longitudinal central line of the continued yard strip near the complementary halves by using two sets of needles; (4) using a cutting device to cut the continued yard strip into two symmetric pieces along the longitudinal central line of the continued yard strip; and (5) folding the two foldable fringes of the two zipper strips. The zipper teeth are engaged with each other to completely present the pattern on the two zipper strips.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: September 21, 2004
    Inventors: Mu Hsun Peng, Chi Cheng Lu
  • Publication number: 20040173133
    Abstract: A method for manufacturing an invisible trademark zipper comprises (1) transferring a continued yard strip printed thereon with complementary halves of a pattern facing down into a weaving machine; (2) synchronizing two zipper teeth by passing the two zipper teeth through a teeth driving device, thereafter transferring the two zipper teeth together with the continued yard strip into the weaving machine; (3) sewing the two zipper teeth on predetermined positions at two sides of a longitudinal central line of the continued yard strip near the complementary halves by using two sets of needles; (4) using a cutting device to cut the continued yard strip into two symmetric pieces along the longitudinal central line of the continued yard strip; and (5) folding the two foldable fringes of the two zipper strips. The zipper teeth are engaged with each other to completely present the pattern on the two zipper strips.
    Type: Application
    Filed: January 29, 2003
    Publication date: September 9, 2004
    Inventors: Mu Hsun Peng, Chi Cheng Lu