Patent
   D273616
Priority
Jan 07 1982
Filed
Jan 07 1982
Issued
Apr 24 1984
Expiry
Apr 24 1998
Assg.orig
Entity
unknown
1
3
n/a
The ornamental design for a sprue and runner bars for metal casting, substantially as shown and described.

FIG. 1 is a perspective view of a sprue and runner bars for metal casting showing my new design.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a radial side view thereof along one of the runner bars.

FIG. 5 is a cross-sectional view of a runner bar taken along the line 5--5 of FIG. 2.

The design is symmetrical about the longitudinal axis of the sprue and FIG. 4 is a typical side view along the axis of a runner bar.

Levine, Hyman S.

Patent Priority Assignee Title
D780237, Jul 15 2015 Moldman Systems LLC Finned unit of a stackable heating section of a thermal reservoir for a hot melt dispenser
Patent Priority Assignee Title
3648760,
4109699, Oct 02 1974 Precision Metalsmiths, Inc. Pattern assembly
4161208, Dec 05 1977 Investment casting apparatus
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