Patents Assigned to QINGDAO GYOHA EN-TECH CO, LTD
  • Manufacturing method for eyelet and structure thereof
    Patent number: 8407868
    Abstract: The present invention discloses a method for manufacturing an eyelet for a tarpaulin, the eyelet having upper and lower eyelet bodies each provided with a plurality of fixing protrusions formed in a shape of concentric circles on one surface thereof in such a manner that the plurality of fixing protrusions formed on the upper eyelet body confront to the plurality of fixing protrusions formed on the lower eyelet body, the method comprising the following steps of: a step of positioning the upper and lower eyelet bodies by using a conveying means in such a manner as to place the tarpaulin there between; a step of punching a given position on the tarpaulin fabric by means of a punching machine with an integrally-formed ultrasonic horn; a step of conveying the upper and lower eyelet bodies to a position of the ultrasonic horn and fusing the upper and lower eyelet bodies to the tarpaulin through the compression of the ultrasonic horn; a step of fusing a protruded part extending upwardly from the circumference of a
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: April 2, 2013
    Assignee: Qingdao Gyoha En-Tech Co., Ltd.
    Inventor: Do-Jin Chung
  • Manufacturing method for eyelet and structure thereof
    Publication number: 20060200954
    Abstract: The present invention discloses a method for manufacturing an eyelet for a tarpaulin, the eyelet having upper and lower eyelet bodies each provided with a plurality of fixing protrusions formed in a shape of concentric circles on one surface thereof in such a manner that the plurality of fixing protrusions formed on the upper eyelet body confront to the plurality of fixing protrusions formed on the lower eyelet body, the method comprising the following steps of: a step of positioning the upper and lower eyelet bodies by using a conveying means in such a manner as to place the tarpaulin there between; a step of punching a given position on the tarpaulin fabric by means of a punching machine with an integrally-formed ultrasonic horn; a step of conveying the upper and lower eyelet bodies to a position of the ultrasonic horn and fusing the upper and lower eyelet bodies to the tarpaulin through the compression of the ultrasonic horn; a step of fusing a protruded part extending upwardly from the circumference of a
    Type: Application
    Filed: November 3, 2005
    Publication date: September 14, 2006
    Applicant: QINGDAO GYOHA EN-TECH CO, LTD
    Inventor: Do-Jin Chung