Patent ID: 6694712
Filing Date: 2004-02-24
Classification: B65B,Y10T

Abstract:
A film treatment device for use with a wrapping apparatus, said device comprising a cutting unit for cutting off a wrapping film, said cutting unit comprising:an elongated electric resistor having opposite longitudinal end portions; and a supporting element supporting said resistor over a length of said resistor between the end portions; wherein said supporting element has a longitudinal slot including an opening and a bottom; said resistor is partially received in said slot and partially projects outside said slot, an outer edge of said resistor that projects outside said slot being adapted to be pressed against and cut off the wrapping film upon application of an electric current to said resistor; and an inner edge of said resistor that is received in said slot rests on the bottom of said slot, the bottom of said slot being curved toward the opening thereof to bend said resistor into a curved shape.