Ultrasonic hot sealing method with regulation of sealing pressure
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United States of America Patent
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Nov 13, 2012
Grant Date -
May 24, 2012
app pub date -
Nov 1, 2011
filing date -
Nov 2, 2010
priority date (Note) -
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Abstract
The invention relates to a method for generating a welding force and/or a welding pressure for a welding jaw, in particular a welding jaw of a cross-sealing station of a vertical tubular bag machine, in which the sealing force or a sealing parameter, which correlates with the sealing force, in particular the sealing pressure or the drive power of the drive, is predetermined by a control unit during the sealing time, such that the sealing force runs along a sealing force curve within the sealing time, such that the sealing force curve has a first relative sealing force maximum with a sealing force and at least one second relative sealing force maximum with a sealing force, such that the sealing force at the first sealing force maximum is higher than the sealing force at the second sealing force maximum.
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