HEATING DEVICE FOR HEATING THE EDGES OF THE FILLING OPENING OF A TUBE
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Aug 26, 2014
filing date -
Aug 26, 2014
priority date (Note) -
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Abstract
A heating device, for heating the edges of a filling opening of a tube with hot gas, has a hot gas nozzle with a first nozzle section, which can be inserted into an inner space of the tube. A first hot gas duct with a first hot gas outlet, may be arranged within the inner space of the tube to send hot gas can to the inner wall of the tube. In addition, the hot gas nozzle has a second nozzle section, which has a second hot gas duct with at least one second hot gas outlet, which may be arranged on the outside of the tube wall and to send hot gas to the outer wall of the tube. A flow control device is arranged in the first hot gas duct and/or in the second hot gas duct.
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