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Browse Prior Art Database

MODIFIED FUNNEL FOR TONER FILL OPERATIONS

IP.com Disclosure Number: IPCOM000027704D
Original Publication Date: 1998-Dec-31
Included in the Prior Art Database: 2004-Apr-08
Document File: 4 page(s) / 88K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a modified toner fill funnel having a vent tube that prevents clouding as toner pours into a developer cartridge. Normally, air inside the cartridge blows back through the funnel's neck making the filling process slow and messy. Figure 1 illustrates a side view of a vent tube assembly 10 installed in funnel 20. The vent tube 10 has vanes 12 and 14 that

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XEROX DISCLOSURE JOURNAL

MODIFIED FUNNEL FOR TONER FILL OPERATIONS U. S. C1. 399/258 Gregory V. Bogoshian

Proposed Classification

Int. C1. G03g 15/08

FIG. 7

I ; 26

\

FIG. 2

XEROX DISCLOSURE JOURNAL - Vol. 23, No. 6 November/December 1998 271

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MODIFIED FUNNEL FOR TONER FILL OPERATIONS (CONT'D)

FIG. 3

22 30 FIG. 4

Disclosed is a modified toner fill funnel having a vent tube that prevents clouding as toner pours into a developer cartridge. Normally, air inside the cartridge blows back through the funnel's neck making the filling process slow and messy. Figure 1 illustrates a side view of a vent tube assembly 10 installed in funnel 20. The vent tube 10 has vanes 12 and 14 that

278 XEROX DISCLOSURE JOURNAL - Vol. 23, No. 6 NovemberDecember 1998

[This page contains 1 picture or other non-text object]

Page 3 of 4

MODIFIED FUNNEL FOR TONER FILL OPERATIONS (CONT'D)

agitate the toner material. The vent tube 10 starts at the bottom of neck 22 of funnel 20. Air escapes through vent tube 10 to the top of the funnel's mouth 24. A U-bend 16 directs toner clouds and evacuated air back into the mouth 24 of funnel 20. The bottom of vent tube 10 is flared to prevent toner particles from being sucked in. An external seal 26 installed on neck 22 eliminates toner cloud leakage caused by increased air pressure inside the cartridge being filed. As shown in a top view of Figure 2, the U-bend 16 serves as a handle by which...