The present invention is a degassing means mounted to a sealing device including a heating means having a built-in heating wire and a pressing means that is rotatably coupled, including a pressing bar for pressing the opening of the wrapping paper placed on the upper surface of the heating means, Rotating means mounted to the inside of the sealing device, and the rotation bar is provided with a rotation bar, one end is coupled to the axis of the rotation means, and a horizontal bar coupled to the other end of the rotation bar to move forward and backward according to the rotation of the rotation bar, A degassing nozzle mounted on the horizontal bar, one end of which is connected to the degassing nozzle, and the other end of the degassing hose that is connected to a degassing fan provided in the sealing device, and on the upper surface of the sealing device to sense the forward and backward movement distance of the horizontal bar. Technical features of the present invention include a first sensing unit and a second sensing unit provided to protrude.;Sealing device, degassing means, rotating means, rotating bar, horizontal bar, slide part
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