Patents by Inventor Lanying Z. Wu

Lanying Z. Wu 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: 7118558
    Abstract: An elastic assembly for absorbent garments having a first carrier layer, a second carrier layer, and an elastic layer attached between the first and second carrier layers to impart elasticity to an elasticized portion of the elastic assembly. The elastic layer is made of elastic strands having a decitex of about 600 or less. The elastic strands are arranged generally in parallel with one another and with a spacing of about 1 to about 10 elastic strands per centimeter. The elasticized portion of the elastic assembly has a thickness of about 2.6 mm or less at a pressure of 0.05 p.s.i. and about 8 or more corrugations per centimeter when in an elastically relaxed state. The first and second carrier layers are attached to one another in the elasticized portion substantially only by a coating of adhesive on the elastic strands. Absorbent garments incorporating the elastic assembly and a method of making the elastic assembly are also provided.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: October 10, 2006
    Assignee: Tyco Healthcare Retail Services AG
    Inventors: Lanying Z. Wu, Joseph B. Vergona, Ruth L. Levy, Edward P. Erdman, Stacy J. Driskell
  • Publication number: 20040158217
    Abstract: An elastic assembly for absorbent garments having a first carrier layer, a second carrier layer, and an elastic layer attached between the first and second carrier layers to impart elasticity to an elasticized portion of the elastic assembly. The elastic layer is made of elastic strands having a decitex of about 600 or less. The elastic strands are arranged generally in parallel with one another and with a spacing of about 1 to about 10 elastic strands per centimeter. The elasticized portion of the elastic assembly has a thickness of about 2.6 mm or less at a pressure of 0.05 p.s.i. and about 8 or more corrugations per centimeter when in an elastically relaxed state. The first and second carrier layers are attached to one another in the elasticized portion substantially only by a coating of adhesive on the elastic strands. Absorbent garments incorporating the elastic assembly and a method of making the elastic assembly are also provided.
    Type: Application
    Filed: September 24, 2003
    Publication date: August 12, 2004
    Inventors: Lanying Z. Wu, Joseph B. Vergona, Ruth L. Levy, Edward P. Erdman, Stacy J. Driskell