Container for storing and dispensing a dental substance

Details Container for storing and dispensing a dental substance Container for storing and dispensing a dental substance

1996-02-20

1998-03-03

Wilson, John J.

Dentistry

Apparatus

Having intra-oral dispensing means

433 89, A61C 504

Patent

active

057228302

ABSTRACT:
A container for storing and dispensing a substance, particularly a dental substance, comprises a cylindrical cartridge 20 and a dispensing nozzle 21 communicating therewith. The dispensing nozzle 21 is formed as a rigid curved tube having an inlet opening of the same diameter as the cartridge 20 and being aligned with the cartridge axis 14, whereas the dispensing opening of the nozzle 21 extends at an angle with respect to the cartridge axis 14. The nozzle 21 is circularly curved and tapers in such a way that its inner cross-sectional shape is circular throughout the length of the nozzle. The interior cross-section and the wall thickness of the nozzle 21 decrease toward the dispensing end.

REFERENCES:
patent: 3854209 (1974-12-01), Franklin et al.
patent: 4295828 (1981-10-01), Rudler
patent: 4391590 (1983-07-01), Dougherty
patent: 4768954 (1988-09-01), Dragan
patent: 4969816 (1990-11-01), Drumm
patent: 4993948 (1991-02-01), Cameron et al.
patent: 5004124 (1991-04-01), Stefaniak et al.
patent: 5122057 (1992-06-01), Discko, Jr.
patent: 5249716 (1993-10-01), O'Sullivan
patent: 5445523 (1995-08-01), Fischer et al.

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