Flexible mold for dental model bases and method of using it

Details Flexible mold for dental model bases and method of using it Flexible mold for dental model bases and method of using it

1983-04-11

1984-11-06

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

249 54, 249127, 433 54, 425DIG44, B29C 102, B29C 114, B29C 700, B28B 706

Patent

active

044811624

ABSTRACT:
A flexible mold defining either a full base or a quadrant base of a dental model includes a perimeter member for defining the side walls of the base and a shelf extending inwardly from the rear side wall for delineating a slot at the rear of the base, which slot is useable for indexing an arm of an articulator to be attached to opposed ones of the bases. A variant of the mold permits the formation of a pedestal for supporting a matching tooth die. A method of removing the molded article from the mold is also disclosed and claimed.

REFERENCES:
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patent: 2138254 (1938-11-01), Mink
patent: 2337036 (1943-12-01), Erdle
patent: 2430525 (1947-11-01), Miller
patent: 2621406 (1952-12-01), McPhee
patent: 2894288 (1959-07-01), Brindis
patent: 3159914 (1964-12-01), De Pietro
patent: 3161917 (1964-12-01), Wiland
patent: 3632278 (1972-01-01), Hall
patent: 3824051 (1974-07-01), Van Leemput
patent: 3966165 (1976-06-01), Psensky
patent: 3998422 (1976-12-01), Putzer
Leckey, "Stretchiest Rubber Yet . . . ", Popular Mechanics, vol. 129#4, Apr. 1968, pp. 117-119.

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