Crucible for casting molten dental and jewelry alloys
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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.
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. |
278546 | September 1914 | DE2 |
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