Patents by Inventor Qingjun Hu

Qingjun Hu 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: 12312748
    Abstract: A pulp molded product line with roll forming function includes a pulp suction device, a hot pressing assembly used to perform hot pressing on a pulp sucked by the pulp suction device to obtain a hot pressed pulp molded product, an edge cutting device used to perform edge cutting on the hot pressed pulp molded product to obtain an unrolled pulp molded product; and a rolling device used to perform radially inwards rolling on the unrolled pulp molded product to obtain a pulp molded product. The advantages of the pulp molded product line with roll forming function are that the waste problem of inconsistent material thickness by rolling can be solved, the raw materials can be saved and the production and processing efficiency can be improved.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: May 27, 2025
    Assignee: Shurcon Manufacturing (Zhejiang) CO., LTD.
    Inventors: Yaohua Pan, Junhui Hu, Kai Wang, Qingjun Hu, Gang Cen
  • Publication number: 20230228039
    Abstract: A pulp molded product line with roll forming function includes a pulp suction device, a hot pressing assembly used to perform hot pressing on a pulp sucked by the pulp suction device to obtain a hot pressed pulp molded product, an edge cutting device used to perform edge cutting on the hot pressed pulp molded product to obtain an unrolled pulp molded product; and a rolling device used to perform radially inwards rolling on the unrolled pulp molded product to obtain a pulp molded product. The advantages of the pulp molded product line with roll forming function are that the waste problem of inconsistent material thickness by rolling can be solved, the raw materials can be saved and the production and processing efficiency can be improved.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 20, 2023
    Inventors: Yaohua Pan, Junhui Hu, Kai Wang, Qingjun Hu, gang Cen