Patents Assigned to Gunyang Trunet, Co., Ltd.
  • Patent number: 8327514
    Abstract: A riveting apparatus includes a hot air pipe; a connection pipe coupled to the hot air pipe; a forming tool having a configuration in which peripheral and center portions project downward and portions existing therebetween are curved upward, defined with discharge holes which extend in axial and radial directions, and coupled to a lower end of the connection pipe so that hot air having passed through the connection pipe can be discharged through the discharge holes to heat an end of a rivet to thereby allow the forming tool to form the end of the rivet into the shape of a head; a moving unit coupled to the hot air pipe or the connection pipe to move the forming tool upward and downward; and a guide surrounding the forming tool so that hot air discharged through the discharge holes can be directed toward the end of the rivet.
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: December 11, 2012
    Assignee: Gunyang Trunet, Co., Ltd.
    Inventor: Taek-hyun Kim
  • Publication number: 20090265906
    Abstract: A riveting apparatus includes a hot air pipe; a connection pipe coupled to the hot air pipe; a forming tool having a configuration in which peripheral and center portions project downward and portions existing therebetween are curved upward, defined with discharge holes which extend in axial and radial directions, and coupled to a lower end of the connection pipe so that hot air having passed through the connection pipe can be discharged through the discharge holes to heat an end of a rivet to thereby allow the forming tool to form the end of the rivet into the shape of a head; a moving unit coupled to the hot air pipe or the connection pipe to move the forming tool upward and downward; and a guide surrounding the forming tool so that hot air discharged through the discharge holes can be directed toward the end of the rivet.
    Type: Application
    Filed: July 9, 2009
    Publication date: October 29, 2009
    Applicant: Gunyang Trunet Co., Ltd.
    Inventor: Taek-hyun Kim