Method and apparatus for reconditioning and resealing a toner ca

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means

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156 94, 156250, 355260, 141364, 222DIG1, B32B 3100

Patent

active

055251838

ABSTRACT:
The present invention is a method and apparatus for reconditioning and resealing toner cartridges.
The method generally comprises the following steps: a) providing a used toner cartridge having a hopper, a mounting member and spacers interposed therebetween, b) separating the toner hopper and mounting member by cutting the spacers, and c) securing a new seal assembly between said toner hopper and mounting member to seal the toner discharge opening. The invention includes a device for separating a toner hopper from a mounting member so that the cartridge can be reliably resealed and refilled with toner for repeated use. A container holds the cartridge while leaving the outer edge of each of the spacers exposed. In one embodiment, the container is provided with wheels that travel in a track. The container moves linearly along the track past a blade that cuts through the outer edge of the spacers. In a second embodiment, the container is positioned on a rail aligned to pass between two spaced-apart blades. The rail is mounted on a linear bearing so that the rail moves linearly past the blades to cut through both of the outer edges of the spacers in a single pass. This allows the hopper to be separated from the mounting member. Finally, a vacuum system is provided for removing waste debris.

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