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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.
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 |
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