Patent ID: 6656310
Filing Date: 2003-12-02
Classification: B29C,B32B,Y10T

Abstract:
A heat sealing jaw assembly for effecting a heat seal of at least two juxtaposed heat sealable sheet materials, said heat sealing jaw assembly comprising a first and a second metal jaw member each having a heating element for heating said jaw members, each said jaw member having an end face disposed in facial alignment with one another, a heat conductive sealing member secured to each said end faces and disposed in planar alignment with one another, said heat sealing member being of a soft material having rubber-like properties and capable of conducting heat from said sealing jaw members to a fusing temperature to melt said heat sealable sheet materials, said first and second jaw members being reciprocable towards and away from one another to press said aligned heated sealing members against opposed sides of two juxtaposed heat sealable sheet materials disposed between said jaw members to effect said heat seal from opposed sides of said juxtaposed sheets and cutting means to cut said heat sealable sheet materials along said heat seal simultaneously with the formation of said heat seal.