Sealing member for toner cartridge

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 and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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, in which the end width of said end portion is lower to 0.5 time the substantially constant width of the substantially longitudinal portion.

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 having a central portion between said first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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 the sealing film has two longitudinal edges and two transversal edges, in which at least one end selected from the first end and the second end of the substantially longitudinal portion to be torn is does not reach a transversal edge of the sealing film.

A toner holder selected from the group consisting of toner container and toner cartridge, said holder being provided with a sealing member for closing an opening of the toner holder, said sealing member comprising a sealing film having a substantially longitudinal portion to be torn out between a first end and a second end, said substantially longitudinal having a central portion between said first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 has a variable 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, in which the end width of the end portion with variable width is lower to 0.5 time the substantially constant width of the substantially longitudinal portion.

A toner holder selected from the group consisting of toner container and toner cartridge, said holder being provided with a sealing member for closing an opening of the toner holder, said sealing member comprising a sealing film having a substantially longitudinal portion to be torn out between a first end and a second end, said substantially longitudinal having a central portion between said first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 has a variable 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 the sealing film has two longitudinal edges and two transversal edges, in which at least one end selected from the first end and the second end of the substantially longitudinal portion to be torn is does not reach a transversal edge of the sealing film.

Sealing member for toner cartridge comprising a sealing film, said film having a substantially longitudinal portion to be torn out of the film between a first 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 and a substantially longitudinal central axis, in which the film comprises at least two lateral portions between which extends the substantially longitudinal portion to be torn out of the film, whereby after the tearing of the central portion out of the film, an opening is formed between at least said two lateral portions,

• whereby a portion of said substantially longitudinal portion adjacent to 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 and the second end 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, in which the end width of said end portion is lower than 2 mm.

A toner holder selected from the group consisting of toner container and toner cartridge, said holder being provided with a sealing member for closing an opening of the toner holder, said sealing member comprising a sealing film having a substantially longitudinal portion to be torn out between a first 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 and a substantially longitudinal central axis in which the film comprises at least two lateral portions between which extends the substantially longitudinal portion to be torn out of the film, whereby after the tearing of the central portion out of the film, an opening is formed between at least said two lateral portions,

• whereby a portion of said substantially longitudinal portion adjacent to 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 and the second end 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, in which the end width of said end portion is lower than 2 mm.

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 having a central portion between said first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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 the sealing film has two longitudinal edges and two transversal edges, in which the first end and the second end of the substantially longitudinal portion to be torn do not reach a transversal edge of the sealing film.

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 having a central portion between sad first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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, in which 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 has a variable width which continuously 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, said end portion having a length of at least 1 mm, said length being measured in the direction of the substantially longitudinal central axis of the central portion.

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 having a central portion between said first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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, in which 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 has a variable width which continuously 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, said end portion having a length of at least 3 mm, said length being measured in the direction of the substantially longitudinal central axis of the central portion.

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 having a central portion between said first end and second end, said central portion having a substantially constant width and a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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, in which 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 has a variable width which continuously 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, said end portion having length of at least 5 mm, said length being measured in the direction of the substantially longitudinal central axis of the central portion.

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 according to a pulling direction, 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 grooves and having a substantially longitudinal axis,

• whereby a portion of said longitudinal portion adjacent to 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 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 at least a groove defines an end portion having 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 at least a part of the groove of said end portion forms an angle comprised between 5° and 85° with respect to the pulling direction.

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 according to a pulling direction, 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 grooves and having a substantially longitudinal central axis,

• whereby a portion of said substantially longitudinal portion adjacent to 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 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 at least a groove defines an end portion having 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 at least a part of the groove of said end portion forms an angle comprised between 15° and 75° with respect to the pulling direction.