Neck of Bottle mouth to receive the plug, characterized by the fact that, in their upper Edge of the side walls a refuting, directed towards the inside,Leading to the formation of a Toric Channel Shallow, is located the edge of the circular Channel limitation, within walking distance of the contour of the mouth of the neckThat is so easily flared, for receiving the plugWhen it falls from the Hopper for Automatic supplying covered it in the correct position to continue after capping and Sealing operations.
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