Method and apparatus for the sealing of glass tubes in a hot softened state
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United States of America Patent
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Oct 4, 2016
Grant Date -
Jul 16, 2015
app pub date -
Mar 27, 2015
filing date -
Sep 27, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for the sealing of glass tubes in a hot softened state is provided. The method includes softening the glass at a severing zone adjacent to an end portion of the glass tube and rotating the glass tube about its longitudinal axis while being heated until a hot softened state is reached in which the end portion is severed off. The hot softened end portion of the glass tube can be pulled-off from the severing zone by a pulling-off device in such a way that the glass tube is simultaneously heat sealed at the severing zone during the severing process.
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