Crucible for casting molten dental and jewelry alloys

- The J. M. Ney Company
Description

FIG. 1 is a perspective view of a crucible for casting molten dental and jewelry alloys showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is an elevational view of the end opposite to that illustrated in FIG. 3;

FIG. 6 is a bottom view thereof;

FIG. 7 is a side elevational view of an alternate embodiment of my design;

FIG. 8 is an end elevational view thereof;

FIG. 9 is a top plan view thereof;

FIG. 10 is an elevational view of the end opposite to that illustrated in FIG. 8;

FIG. 11 is a bottom view thereof;

FIG. 12 is a side elevational view of another embodiment of my design;

FIG. 13 is an end elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is an elevational view of the end opposite to that illustrated in FIG. 13; and

FIG. 16 is a bottom view thereof.

The crucible of my new design is utilized in the melting and casting of metals.

Referenced Cited
U.S. Patent Documents
D185475 June 1959 Weller
D260812 September 15, 1981 Piet et al.
1081535 December 1913 Jeppson
2195436 April 1940 Weller
3127855 August 1960 Conlon
3796552 March 1974 Robinson et al.
Foreign Patent Documents
278546 September 1914 DE2
Patent History
Patent number: D280761
Type: Grant
Filed: Sep 2, 1982
Date of Patent: Sep 24, 1985
Assignee: The J. M. Ney Company (Bloomfield, CT)
Inventor: Robert M. Silsby (Simsbury, CT)
Primary Examiner: A. Hugo Word
Application Number: 6/414,408
Classifications
Current U.S. Class: D24/10; Molding Or Casting (D15/135); D24/5