Dental handpiece

Details Dental handpiece Dental handpiece

1978-01-05

1980-01-22

Peshock, Robert

Dentistry

Apparatus

Having intra-oral dispensing means

A61C 1322

Patent

active

041842570

ABSTRACT:
A dental handpiece comprises two sections, notably in the case of a contra-angle, which are rigidly assembled and both provided with an aligned passage for delivering the liquid to be atomized to the head of the handpiece, said passage being incorporated in the wall of each section and the joint between the two sections comprises an annular seal fitted in a recess surrounding the passage and formed in one section, the length of this seal being slightly greater than the depth of the recess, so that the outer edge of the seal tightly engages the registering face formed in the other section, this arrangement being adaptable to all dental handpieces provided with internal passage means for the liquid intended for cooling the tool.

REFERENCES:
patent: 3169504 (1965-02-01), Gruber
patent: 3218028 (1965-11-01), Borden
patent: 4007529 (1977-02-01), Fleer
patent: 4080737 (1978-03-01), Fleer

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