Patent ID: 9650167
Date: 2017-05-16
CPC Classifications: B65B

Claim:
1. A sealing device, comprising: a pressure member having a pressure element for pressing a seal portion of an object to be sealed said seal portion which is a portion to be sealed; a heating member having a heating element for heating said seal portion; a nozzle part arranged to be insertable into said object through an opening in said seal portion to suck out gas from inside of the object to be sealed or supply gas into the object to be sealed; a nozzle drive unit allowing said nozzle part to move between a waiting position and a stop position; a first linear solenoid comprising a first movable part having first and second end portions, wherein the first end portion is in mechanical communication with the pressure member for driving said pressure member such as to hold said seal portion between said pressure member and said heating member; and a stopping mechanism configured to stop a movement of the first movable part when said first movable part is driven by the first linear solenoid at a predetermined midway point between a start point and an end point after said nozzle part has been moved from said waiting position to said stop position, the stopping mechanism being configured to release said first movable part from a stop to allow the first movable part to move again and reach said end point after said nozzle part has been returned from said stop position to said waiting position; wherein said stopping mechanism includes: a pin that makes contact with said second end portion of said first movable part of said first linear solenoid, and a pin moving mechanism that allows said pin to move in accordance with a movement of said first movable part and that stops said pin to stop the movement of said first movable part at said midway point.