Patents Assigned to Qingdao Gyoha Plastics Co., Ltd.
  • Patent number: 6497034
    Abstract: A press machine for attachment of eyelets including a simple die configuration capable of allowing the user to easily carry out an eyelet attachment process on a table. The press machine includes a die that enables the dual operation of punching the sheet or fabric for the eyelet as well as attaching the eyelet.
    Type: Grant
    Filed: June 30, 2001
    Date of Patent: December 24, 2002
    Assignee: Qingdao Gyoha Plastics, Co., Ltd.
    Inventor: Do Jin Chung
  • Patent number: 6253434
    Abstract: A press machine for attachment of eyelets including a simple die configuration capable of allowing the user to easily carry out an eyelet attachment process on a table. The press machine includes a die having a rest room for receiving a washer fed from a washer box, a guide hole vertically formed through the rest room, and guide means for guiding the washer to the rest room, a table received in the rest room in such a fashion that it is vertically slidable, the table serving as a punch die for punching a cloth to be attached with eyelets while serving as a support for supporting the washer received in the rest room during an operation for attaching an eyelet to the cloth, a rack vertically mounted to a lower surface of the table in such a fashion that it is vertically slidable through the guide hole of the die in the rest room, a drive motor adapted to provide a drive force to the rack, the drive motor having a pinion engaged with the rack, and a control unit for controlling the drive motor.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: July 3, 2001
    Assignee: Qingdao Gyoha Plastics Co., Ltd.
    Inventor: Do Jin Chung
  • Patent number: 6006406
    Abstract: A press machine for attachment of eyelets including a simple die configuration capable of allowing the user to easily carry out an eyelet attachment process on a table. The press machine includes a die having a rest room for receiving a washer fed from a washer box, a guide hole vertically formed through the rest room, and guide means for guiding the washer to the rest room, a table received in the rest room in such a fashion that it is vertically slidable, the table serving as a punch die for punching a cloth to be attached with eyelets while serving as a support for supporting the washer received in the rest room during an operation for attaching an eyelet to the cloth, a rack vertically mounted to a lower surface of the table in such a fashion that it is vertically slidable through the guide hole of the die in the rest room, a drive motor adapted to provide a drive force to the rack, the drive motor having a pinion engaged with the rack, and a control unit for controlling the drive motor.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: December 28, 1999
    Assignee: Qingdao Gyoha Plastics Co., Ltd.
    Inventor: Do Jin Chung
  • Patent number: D442064
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: May 15, 2001
    Assignee: Qingdao Gyoha Plastics Co., Ltd.
    Inventor: Do Jin Chung