Cartridge for viscuos dental material
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United States of America Patent
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-
Jan 22, 2008
Grant Date -
Aug 5, 2004
app pub date -
Dec 4, 2003
filing date -
Dec 9, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a method of extruding dental material from a capsule-like cartridge, by providing a capsule-like cartridge having an elongated body and a nozzle. The elongated body has an inner chamber wall enclosing dental material. The nozzle has an inner channel wall, and a channel wall exit orifice rim. The inner chamber wall has a chamber wall exit port rim, opening between the inner chamber wall and the inner channel wall. The chamber wall exit port rim has a chamber wall exit port rim effective diameter D.sub.1. The inner channel wall has an inner channel wall effective diameter D.sub.2. The inner channel wall effective diameter D.sub.2 effectively is greater than the chamber wall exit port rim effective diameter D.sub.1.
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