Apparatus and method for controlling temperature of a film sealing element
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United States of America Patent
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Issued Date -
May 6, 2004
app pub date -
Nov 1, 2002
filing date -
Nov 1, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus and method for controlling current input to an electrical resistance element such as a seal blade. A heating sensing element such as a thermocouple monitors the temperature of a component of the sealing jaw, such as a conductive mounting member supporting the seal element. When the sensed temperature is above or below a predetermined value, the duration of the impulse current is modified until the temperature falls within a predetermined range or to a predetermined value.
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