Mold producing globe-shaped bells with single-piece shells

Details Mold producing globe-shaped bells with single-piece shells Mold producing globe-shaped bells with single-piece shells

1980-09-15

1982-09-14

Spruill, R. L.

Metal founding

Means to shape metallic material

United particle type shaping surface

164365, 164366, 164369, B22C 910, B22C 922

Patent

active

043490654

ABSTRACT:
A mold producing one or more globe-shaped bells, each of which is cast as a one-piece shell enclosing a tumbling ball-bearing or jinglet. Production of the one-piece shell is made possible by pouring molten metal over a spherical core, supported by small "feet" inside the globe-like cavity of the mold. When the shell is removed from the mold, the core, in which the ball-bearing or jinglet is embedded, can easily be broken down into particles which fall out holes in the shell's surface.

REFERENCES:
patent: 390907 (1888-10-01), Sage
patent: 1170180 (1916-02-01), O'Dowd
patent: 1474729 (1923-11-01), Ogden
patent: 1913107 (1933-06-01), DeBruyne
patent: 3254849 (1966-06-01), Clements

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