Patent ID: 6934487

Claim:
Sealing member for toner cartridge comprising a sealing film, said film having a substantially longitudinal portion to be torn out between a first end and a second end, said substantially longitudinal portion having a central portion between said first end and second end, said central portion having a substantially constant width defined between two substantially parallel linear grooves and having a substantially longitudinal central axis parallel to said two linear grooves, whereby a portion of said substantially longitudinal portion adjacent t the first end is connected to a pulling means, and whereby at least an end portion of the substantially longitudinal portion to be torn adjacent to one end selected from the first end and the second end is defined at least by a groove having a linear part forming an angle comprised between 5° and 85° with respect to the longitudinal central axis so that said en portion has a width which varies from the substantially constant width of the central portion to an end width lower to the substantially constant width of the substantially longitudinal portion, whereby said linear part of the end portion is connected to one of the substantially parallel linear grooves by a curved groove.