Apparatus and method for controlling temperature of a film...

Details Apparatus and method for controlling temperature of a film... Apparatus and method for controlling temperature of a film...

G - Physics

01

K

G01K 7/02 (2006.01)

Patent

CA 2496417

Apparatus and method for controlling current input to an electrical resistance element such as a seal blade (19). A thermocouple (27) monitors the temperatures of a part of the sealing jaw (10, 12), such as the conductive mounting member. If the sensed temperature varies from a predetermined value, the impulse current duration is modified until the temperature reaches a predetermined range.

L'invention concerne un appareil et un procédé de régulation de l'entrée de courant dans un élément à résistance électrique, tel qu'une lame de scellement (19). Un thermocouple (27) surveille la température d'une partie de la mâchoire de scellement (10, 12), telle que l'élément de montage conducteur. Si la température mesurée s'écarte d'une valeur prédéterminée, la durée du courant d'impulsions est modifiée jusqu'à ce que la température atteigne une plage prédéterminée.

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