Patents by Inventor Shuling CUI

Shuling CUI 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).

  • Manufacturing method of a toothbrush head
    Patent number: 12521923
    Abstract: Disclosed are a brush head fixture for production of a toothbrush head and a manufacturing method of the toothbrush head. The brush head fixture includes a fixture main body, a bristle accommodating part, a material sealing surface, and one or more positioning holes. The bristle accommodating part is configured for accommodating the free end of implanted bristles in the process of manufacturing the toothbrush head. The material sealing surface is located on one side of the fixture main body away from the bristle accommodating part and configured for preventing the material of the coating layer from entering the bristle accommodating part when forming the coating layer. The positioning hole penetrates through the wall of the fixture main body between the material sealing surface and the bristle accommodating part. The positioning hole is configured for injection molding the retaining part, and also for positioning the retaining part obtained through injection molding.
    Type: Grant
    Filed: December 14, 2023
    Date of Patent: January 13, 2026
    Assignee: HI-P (XIAMEN) PRECISION PLASTIC MANUFACTURING CO., LTD.
    Inventors: Ping Ruan, Xiaojia Liu, Qiufeng Guo, Zhiqiang Zhang, Yingsheng Chen, Shuling Cui, Baochang Ge
  • BRUSH HEAD FIXTURE FOR PRODUCTION OF TOOTHBRUSH HEAD AND MANUFACTURING METHOD OF TOOTHBRUSH HEAD
    Publication number: 20240239028
    Abstract: Disclosed are a brush head fixture for production of a toothbrush head and a manufacturing method of the toothbrush head. The brush head fixture includes a fixture main body, a bristle accommodating part, a material sealing surface, and one or more positioning holes. The bristle accommodating part is configured for accommodating the free end of implanted bristles in the process of manufacturing the toothbrush head. The material sealing surface is located on one side of the fixture main body away from the bristle accommodating part and configured for preventing the material of the coating layer from entering the bristle accommodating part when forming the coating layer. The positioning hole penetrates through the wall of the fixture main body between the material sealing surface and the bristle accommodating part. The positioning hole is configured for injection molding the retaining part, and also for positioning the retaining part obtained through injection molding.
    Type: Application
    Filed: December 14, 2023
    Publication date: July 18, 2024
    Applicant: HI-P (XIAMEN) PRECISION PLASTIC MANUFACTURING CO., LTD.
    Inventors: Ping RUAN, Xiaojia LIU, Qiufeng GUO, Zhiqiang ZHANG, Yingsheng CHEN, Shuling CUI, Baochang GE