The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1983
Filed:
Apr. 22, 1981
Applicant:
Inventors:
Marcel Garnier, Besancon, FR;
Michel Seigneurin, St. Cergue, Douvaine, FR;
Assignee:
Micro-Mega S.A., , FR;
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433115 ;
Abstract
This device for preventing the ingress of water into the head of a dental contra-angle comprises a ring seal of cylindrical configuration adapted to be inserted through a hole formed in the bottom wall of the head body for the passage of the dental tool. This ring seal comprises at one end a flange having a diameter greater than the diameter of the passage hole and at its opposite end a bead also of greater diameter than the hole but adapted to be compressed when inserting the ring seal through the hole.