Plunger tip having a safety indicator surface
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United States of America Patent
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-
Mar 22, 1988
Grant Date -
N/A
app pub date -
Dec 19, 1980
filing date -
Dec 19, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metal plunger tip for use in aluminum die casting operations includes a cylindrical body having an axially extending cavity therein and a shank of smaller diameter extending axially from the body for connection to a control rod. The plunger tip has at least one outwardly-facing safety indicator surface located at which a point intermediate the inside and outside diameters of the body, for the purpose of indicating the extent to which the outer surface of the body can be machined without reducing the wall thickness to an unsafe dimension.
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