Prosthesis and apparatus for molding the prosthesis

Details Prosthesis and apparatus for molding the prosthesis Prosthesis and apparatus for molding the prosthesis

1984-06-27

1986-03-04

Hoag, Willard E.

Dentistry

Prosthodontics

164DIG4, 164244, 249 54, 249 62, B29C 3352, B29C 4140

Patent

active

045739218

ABSTRACT:
The wax master sprue and runner or gate form used in the investment casting process of dental prostheses has a web between the runners or gates so that the runners or gates are secured together to prevent shifting of the runners or gates during the molding of the casting material around the wax master.

REFERENCES:
patent: 1244257 (1917-10-01), Sweetnam
patent: 1307299 (1919-06-01), Laing
patent: 1942981 (1934-01-01), Schmitz
patent: 2065977 (1936-12-01), Jefferies
patent: 3443627 (1969-05-01), Watts
patent: 3648760 (1972-03-01), Cooper
patent: 3985178 (1976-10-01), Cooper
patent: 4081019 (1978-03-01), Kulig

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