Hard mouth tube of infusion bag
An infusion bag and mouth tube technology, which is applied to the field of hard mouth tubes, can solve the problems of material waste, easy water leakage, high cost, and achieve the effects of material saving, good heat sealing quality and uniform thickness
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[0011] As shown in the figure, the hard mouth tube of the infusion bag of the present invention includes a body 1, and a vertical through hole 2 is provided on the body 1. One end of the body 1 is a connecting portion 4, and the other end is an outlet portion 3. There is a transition part 5 in the middle of the body 1 for connecting the outlet part 3 and the connection part 4. The through hole 2 is circular in the outlet part 3 and flat rhombus in the connection part 4. The transition part 5 The wall thickness of the connecting portion 4 transitions from thick to thin from the outlet portion 3 to the connecting portion 4, and the outer wall of the connecting portion 4 is oblate rhombus. The flat diamond-shaped design makes the thickness of the side wall of the connection part of the hard mouth tube of the infusion bag uniform and thinner, so that the heat sealing will not be uneven, the heat sealing quality is good, and the material is saved. At the same time, the design of...
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