Powder reservoir for a dental abrasive sprayer

Details Powder reservoir for a dental abrasive sprayer Powder reservoir for a dental abrasive sprayer

2005-04-26

2005-04-26

Wilson, John J (Department: 3732)

Dentistry

Apparatus

Having intra-oral dispensing means

Reexamination Certificate

active

06884070

ABSTRACT:
A powder reservoir for a dental abrasive blasting apparatus is provided with a discharge valve having a closure body that comprises associated driving means for moving a closure body with a pulsed frequency alternately between a closing position and an opening position of an associated discharge opening of the powder reservoir for discharging the powder into a mixing chamber which is passed by a supply line for compressed air for supplying a handpiece with a mixture of compressed air and abrasive powder particles.

REFERENCES:
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patent: 2696049 (1954-12-01), Black
patent: 4482322 (1984-11-01), Hain et al.
patent: 4492575 (1985-01-01), Mabille
patent: 5330354 (1994-07-01), Gallant
patent: 5618177 (1997-04-01), Abbott
patent: 6083001 (2000-07-01), Deardon et al.
patent: 6179614 (2001-01-01), Elrod et al.
patent: 32 12 207 (1983-10-01), None
patent: 295 08 873 (1996-10-01), None

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