Patents by Inventor Longkang Xu

Longkang Xu 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).

  • SPLIT TYPE BOLT AND MANUFACTURING AND APPLICATION THEREOF
    Publication number: 20220282749
    Abstract: A split type bolt includes a bolt cap and a screw rod. The bolt cap is composed of a plurality of bolt cap split parts, and the screw rod is composed of a screw rod base and a plurality of screw rod split parts. A gap is formed between adjacent bolt cap split parts and is filled with a filling material, and a gap is formed between adjacent screw rod split parts and is not filled. A method for manufacturing the split type bolt includes the steps of cutting an incomplete through gap from the bolt cap to the screw rod of a high strength bolt by a machine tool, and arranging the filling material in the through gap formed in the bolt cap.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 8, 2022
    Inventors: Yong Yang, Shuchen Zhang, Xin Chen, Shiqiang Feng, Longkang Xu, Bin Liu