Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1984-05-17
1985-07-30
Peshock, Robert
Dentistry
Apparatus
Having intra-oral dispensing means
A61C 1702
Patent
active
045319138
ABSTRACT:
In a dental syringe, compressed air is caused to flow through a passage tube provided in the body of the syringe while whirling, thus resulting in a whirling air flow which is in turn caused to flow toward a nozzle and, in the course of the flowing movement, is heated due to friction between the air flow and the inner wall of the passage tube.
REFERENCES:
patent: 4026025 (1977-04-01), Hunt
patent: 4108178 (1978-08-01), Batush
Kice Warren B.
Peshock Robert
Takara Nakajima Co., Ltd.
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