Dowel pin with socket for the manufacture of dowel models in den

Details Dowel pin with socket for the manufacture of dowel models in den Dowel pin with socket for the manufacture of dowel models in den

1976-05-17

1977-12-06

Peshock, Robert

A61C 1300

Patent

active

040608999

ABSTRACT:
A dowel pin (stump-form pin) and casing for making crowns and the like wherein the pin is cylindrical having a stump form portion with roughened surface and a pin shaft portion. Anti-rotation means are provided by a milled secant-area being removed from either the end of the pin shaft or a collar head near the retention portion. The casing has a complimentary secant-area projection. The casing can be either rectangular or circular in cross-section and has at least one annular groove for firm anchoring. The casing may also have a roughened surface.

REFERENCES:
patent: 3153283 (1964-10-01), Weissman
patent: 3518761 (1970-07-01), Susman et al.

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