Patents Assigned to Sun Ling Packaging Machinery Co., Ltd.
  • Patent number: 11459136
    Abstract: A vacuum packing apparatus includes a box, a lid, a solenoid, a vacuum pump, a pressure gauge, a time relay, a thermal sealer and a controller. The box includes a chamber. The lid is connected to the box. The thermal sealer is located in the chamber. The controller is electrically connected to the vacuum pump, the solenoid, the thermal sealer and the time relay. The panel is electrically connected to the controller.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: October 4, 2022
    Assignee: Sun Ling Packaging Machinery Co., Ltd.
    Inventor: Jhih-Jhan Dai