Patents by Inventor Tsoi Wing Sing

Tsoi Wing Sing 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: 8464383
    Abstract: A method for making a shoe outsole comprises placing rubber against a coating of cured rubber cement on a segment of fabric, heating the rubber to a temperature below the melting points of the cured rubber cement and the rubber, but high enough to render the cured rubber cement and the rubber tackily adherent to each other and vulcanizing the rubber, thereby to adhere the segment of fabric to the rubber, and cooling the vulcanized rubber to form an outsole having an exposed ground-contacting surface that includes the segment of fabric.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: June 18, 2013
    Assignee: Calson Investment Limited
    Inventor: Tsoi Wing Sing
  • Publication number: 20110173839
    Abstract: A method for making a shoe outsole comprises placing rubber against a coating of cured rubber cement on a segment of fabric, heating the rubber to a temperature below the melting points of the cured rubber cement and the rubber, but high enough to render the cured rubber cement and the rubber tackily adherent to each other and vulcanizing the rubber, thereby to adhere the segment of fabric to the rubber, and cooling the vulcanized rubber to form an outsole having an exposed ground-contacting surface that includes the segment of fabric.
    Type: Application
    Filed: January 19, 2010
    Publication date: July 21, 2011
    Applicant: Calson Investment Limited
    Inventor: Tsoi Wing Sing