Patents Assigned to ZHEJIANG HAERS VACUUM CONTAINERS CO., LTD.
  • Publication number: 20230173612
    Abstract: A thermos cup vacuumizing device and method are provided. The thermos cup vacuumizing device includes a pre-vacuumizing chamber, a heating chamber, a welding chamber, and a cooling chamber. A continuous conveying device is provided at a bottom of each of the chambers. The thermos cup vacuumizing device further includes a controllable and movable laser welding device and multiple transparent windows. A laser beam of the laser welding device passes through the transparent windows to melt a welding ball at provided at a hole in the center of the bottom of the thermos cup. A vertically movable inlet valve is provided at an inlet of the pre-vacuumizing chamber, and a vertically movable outlet valve is provided at an outlet of the cooling chamber. The present disclosure realizes the continuous vacuumizing operation on the thermos cups, improves the product qualification rate and processing efficiency, and realizes automatic mass production.
    Type: Application
    Filed: October 14, 2022
    Publication date: June 8, 2023
    Applicant: ZHEJIANG HAERS VACUUM CONTAINERS CO., LTD.
    Inventors: Jinfa LI, Jinsheng DU, Wei LI, Yunsheng SUN, Runjun LIU, Yangbo OU
  • Patent number: 9974407
    Abstract: A vacuum electric kettle includes a vacuum layer disposed between a liner and an outer shell with a heating disc component disposed inside. A matched electrical connector is disposed between the heating disc component and the base that includes a disc body compounded with a heating body. A seal ring clamping platform is arranged at the edge of the disc body. At least two elastic supporting legs are integrated with the disc body and disposed below the clamping platform. A supporting leg locating ring and a seal ring limiting rib are disposed on the liner with a seal ring between the limiting rib and the clamping platform. The heating disc component and the kettle body are positioned in a matched mode through the elastic supporting legs and the supporting leg locating ring. No welding is required between the heating disc component and the kettle body of the vacuum electric kettle.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: May 22, 2018
    Assignee: ZHEJIANG HAERS VACUUM CONTAINERS CO., LTD.
    Inventor: Qiang Lv
  • Publication number: 20160037957
    Abstract: A vacuum electric kettle includes a vacuum layer disposed between a liner and an outer shell with a heating disc component disposed inside. A matched electrical connector is disposed between the heating disc component and the base that includes a disc body compounded with a heating body. A seal ring clamping platform is arranged at the edge of the disc body. At least two elastic supporting legs are integrated with the disc body and disposed below the clamping platform. A supporting leg locating ring and a seal ring limiting rib are disposed on the liner with a seal ring between the limiting rib and the clamping platform. The heating disc component and the kettle body are positioned in a matched mode through the elastic supporting legs and the supporting leg locating ring. No welding is required between the heating disc component and the kettle body of the vacuum electric kettle.
    Type: Application
    Filed: May 9, 2013
    Publication date: February 11, 2016
    Applicant: ZHEJIANG HAERS VACUUM CONTAINERS CO., LTD.
    Inventor: Qiang LV