Dentistry – Method or material for testing – treating – restoring – or... – Cleaning
Patent
1986-06-03
1988-10-11
Peshock, Robert
Dentistry
Method or material for testing, treating, restoring, or...
Cleaning
433 88, A61K 500
Patent
active
047767944
ABSTRACT:
A cleaning device includes a source of a premixed abrasive liquid containing abrasive particles suspended therein. A nozzle head having a nozzle therein is coupled to a source of pressure air, whereby the nozzle accelerates or increases the velocity of the pressure air supplied thereto. The source of premixed asbrasive liquid is coupled to the nozzle head. In the nozzle head, the accelerated air is mixed with the premixed abrasive liquid and a jet of the mixture of accelerated air and abrasive liquid is provided at an outlet of the nozzle head, the jet being directed onto an object to be cleaned. The premixed abrasive liquid preferably comprises water, a plurality of abrasive particles suspended in the water, and a surface tension reducing agent for maintaining the abrasive particles in suspension. Liquids other than plain water can be used.
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