Dental flask expander and method of use

Details Dental flask expander and method of use Dental flask expander and method of use

1993-04-14

1994-08-16

Wilson, John J.

Dentistry

Apparatus

Having static product shaping surface

249 54, 425180, A61C 1900

Patent

active

053381920

ABSTRACT:
An expander for a three-part, Hanau dental flask to add vertical height to the flask when the total height of the wax model of a prosthesis and mold material exceeds the normal height of the flask. The flask expander requires no alteration or modification of the standard dental flask, and sandwiches in between the existing flask base and body or between the flask body and lid.

REFERENCES:
patent: 258858 (1882-05-01), Locke
patent: 2378633 (1945-06-01), House
patent: 2440910 (1948-05-01), Opotow
patent: 2457114 (1948-12-01), Amenta
patent: 2471205 (1949-05-01), Fagan
patent: 2491147 (1949-12-01), Zahn
patent: 2574593 (1951-11-01), Scharfe
patent: 2712158 (1955-07-01), Villa
patent: 3316640 (1967-05-01), Kesling
patent: 3635630 (1972-01-01), Greene
patent: 3663141 (1972-05-01), Alain et al.

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