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US 6,295,426 B1Granted
Toner cartridge
AssigneeKonica Corporation
InventorsMasahiro Yoshino, Hiroshi Yamazaki
Life of this patent
Estimating the term…
Abstract
Disclosed is a toner cartridge comprising: a container body for storing toner, said container body having an opening through which said toner is discharged, wherein said container body is made of a resin having an Izod impact value of 0.1 to 30, and a melt flow index of 0.1 to 30 g/10 min.
Claims14
A toner cartridge comprising:
- a container body for storing toner having an opening for discharging stored toner, and
- a sealing member for sealing said opening when said toner is charged in said body,
- wherein said body is made from a single resin consisting of either a polyethylene resin or a polypropylene resin, each said resin having an Izod impact value of 0.1 to 30, and a melt flow index of 0.1 to 4 g/10 min.
A toner cartridge comprising:
- a container body for storing toner therein, said container body comprising a casing and a mouth piece, said mouth piece having an opening therein for discharging said stored toner therethrough;
- a sealing member for sealing said opening when said toner is charged to said container body;
- and
- each of said casing and said mouth piece is made from a single resin consisting of either a polyethylene resin or a polypropylene resin, each said resin having an Izod impact value of 0.1 to 30 and a melt flow index of 0.1 to 4 g/10 min.
1 more element
A toner cartridge comprising:
- a container body for storing toner therein, said container body comprising a casing with an outer wall thickness of 1 to 5 mm and a mouth piece, said mouth piece having an opening therein for discharging said stored toner therethrough;
- a sealing member for sealing said opening when said toner is charged to said container body, said sealing member being a plastic film;
- and
- said container body is produced by a hollow blow molding method, said casing and said mouth piece is made from a single resin consisting of a polyethylene resin having an Izod impact value of 0.1 to 30, a density of 0.94 to 0.97, and a melt flow index of 0.1 to 4 g/10 min.
1 more element
Dependencies are inferred from the claim text.