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1. (WO2010118113) PUMP-LESS TONER DISPENSER

Pub. No.:    WO/2010/118113    International Application No.:    PCT/US2010/030209
Publication Date: Fri Oct 15 01:59:59 CEST 2010 International Filing Date: Thu Apr 08 01:59:59 CEST 2010
IPC: B65D 83/00
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
CENTOFANTE, Charles A.
BOOTHMAN, Brian S.
Inventors: CENTOFANTE, Charles A.
BOOTHMAN, Brian S.
Title: PUMP-LESS TONER DISPENSER
Abstract:
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for dispensing toners. In one aspect, a toner dispensing system includes a toner container; a cap and valve assembly coupled to the toner container, the cap and value assembly including: a movable valve assembly, the movable valve assembly having a first position and a second position, a toner path, and an air inlet path, where in a first valve assembly position the toner path and the air inlet path are closed, and in a second valve assembly position the toner path and the air inlet path are open; an air assembly including a first air supply coupled to the air path of the cap and valve assembly and a second regulated air supply coupled to the toner container; and a control assembly for controlling the second air supply.