Patent ID: 8191598
Filing Date: 2012-06-05
Classification: B29C,B29K,B29L,B31B,B65B

Abstract:
1. A heat-sealing jaw for use in cooperation with an opposing backing jaw for sealing layers of film together to form a sealed portion and a notch within the sealed portion, the heat-sealing jaw comprising: (A) a jaw body; (B) a heat-sealing element secured to the jaw body, said heat sealing element comprising a first end and a second end, (C) a support surface comprising at least a portion of at least one of the heat-sealing element, an additional separate element, and the jaw body associated with the heat-sealing element for clamping the layers of film against the opposing backing jaw; and (D) a heat-sink comprising at least one of an additional separate element and the jaw body coupled to the heat-sealing element at a location adjacent to the support surface, which, during operation, induces a temperature gradient along the sealing face of the heat-sealing element at least in the longitudinal direction of the sealing face.