Patents by Inventor Huakun Chen

Huakun Chen 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: 7469904
    Abstract: The present invention relates to a front cover of target frames of dartboards with a tidy appearance and a long service life, which comprises a cylindrical housing frame provided with a flange at the bottom edge used for connection. A metal gauze or spider is integrated with the cylindrical housing frame at the circumference. The toroidal and radial bars of the metal gauze are all provided with inverted V-shaped grooves, which are in the back of the metal gauze and filled with an injection molding filler to form a flat back surface. The present invention adopts the stamped triangular metal gauze, the cylindrical housing frame made of ABS materials, an assembly nail and the flange, and produces the front cover of targets through injection molding. The present invention not only produces a tidy appearance especially applicable to metal darts, but also increases fun of the game.
    Type: Grant
    Filed: October 10, 2004
    Date of Patent: December 30, 2008
    Assignee: Hefei Holding Sports Equipment Co., Ltd.
    Inventor: Huakun Chen
  • Publication number: 20080084029
    Abstract: The present invention relates to a front cover of target frames of dartboards with a tidy appearance and a long service life, which comprises a cylindrical housing frame provided with a flange at the bottom edge used for connection. A metal gauze is integrated with the cylindrical housing frame at the circumference. The toroidal and radial bars of the metal gauze are all provided with inverted V-shaped grooves, which are in the back of the metal gauze and filled with an injection molding filler to form a flat back surface. The present invention adopts the stamped triangular metal gauze, the cylindrical housing frame made of ABS materials, an assembly nail and the flange, and produces the front cover of targets through injection molding. The present invention not only produces a tidy appearance especially applicable to metal darts, but also increases fun of the game.
    Type: Application
    Filed: October 10, 2004
    Publication date: April 10, 2008
    Applicant: Hefei Hualong Sports Equipment Co., Ltd.
    Inventor: Huakun Chen
  • Publication number: 20070296152
    Abstract: The present invention relates to a sisal target block of dartboards and its fabrication process, especially to a product and a fabrication process which can lower costs and improve quality of the dartboards. The sisal target block is made mainly through such steps as raw material forming, mold forming, cutting, coating container with colloid, container forming, trimming and surface treatment. In this way, not only a mass production but also a simple fabrication process of the dartboard blocks can be realized, with an improved dartboard quality and an increased economic value.
    Type: Application
    Filed: October 10, 2004
    Publication date: December 27, 2007
    Applicant: Hefei Hualong Sports Equipment Co., Ltd.
    Inventor: Huakun Chen