Dental syringe

Dentistry – Apparatus – Having intra-oral dispensing means

Patent

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Details

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

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