Patents by Inventor Quanzhou Yang

Quanzhou Yang 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).

  • Method for molding two-piece blow molded hollow tank by using auxiliary male molds
    Patent number: 10245773
    Abstract: A method for molding a two-piece blow molded hollow tank by using auxiliary male molds includes the following steps: 1) blanking two parisons; 2) closing mold halves of a mold and a pre-molding template; 3) pre-stretching the molten parisons by using auxiliary male molds in the pre-molding template; 4) performing internal high-pressure blow molding, and pre-molding two housing portions; 5) opening the mold, and withdrawing the pre-molding template; 6) moving in a component built-in mechanism to perform built-in component connection; 7) moving out the component built-in mechanism; 8) closing the mold for the second time and finally blow molding a hollow tank; and 9) opening the mold and taking out the product.
    Type: Grant
    Filed: June 8, 2013
    Date of Patent: April 2, 2019
    Assignee: YAPP AUTOMOTIVE PARTS CO., LTD.
    Inventors: Yan Sun, Lin Jiang, Songjun Xu, Liang Liu, Dejun Gao, Ye Wang, Lushun Wu, Jie Li, Weidong Su, Changru Wang, Xiaojun Li, Quanzhou Yang
  • METHOD FOR MOLDING TWO-PIECE BLOW MOLDED HOLLOW TANK BY USING AUXILIARY MALE MOLDS
    Publication number: 20150314514
    Abstract: A method for molding a two-piece blow molded hollow tank by using auxiliary male molds includes the following steps: 1) blanking two parisons; 2) closing mold halves of a mold and a pre-molding template; 3) pre-stretching the molten parisons by using auxiliary male molds in the pre-molding template; 4) performing internal high-pressure blow molding, and pre-molding two housing portions; 5) opening the mold, and withdrawing the pre-molding template; 6) moving in a component built-in mechanism to perform built-in component connection; 7) moving out the component built-in mechanism; 8) closing the mold for the second time and finally blow molding a hollow tank; and 9) opening the mold and taking out the product.
    Type: Application
    Filed: June 8, 2013
    Publication date: November 5, 2015
    Applicant: YAPP AUTOMOTIVE PARTS CO., LTD.
    Inventors: Yan Sun, Lin Jiang, Songjun Xu, Liang Liu, Dejun Gao, Ye Wang, Lushun WU, Jie Li, Weidong Su, Changru Wang, Xiaojun Li, Quanzhou Yang