Plug gauge with maintenance line and round point and method of manufacturing the same
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United States of America Patent
Stats
-
Oct 25, 2016
Grant Date -
Oct 9, 2014
app pub date -
Jan 31, 2014
filing date -
Apr 3, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Due to repeated use of a gauge portion, used to perform positioning and accuracy comparison measurement at the time of manufacture of various type of molds for metalworking, a gauge line on an outer circumferential surface portion of the gauge portion can disappear due to friction. A plug gauge body, which helps a user recognize the time for maintenance and replacement of the plug gauge, has a constricted portion formed on one side of a shank portion and a cylindrical gauge portion having a uniform diameter and extending from one side of the constricted portion, with the shank portion, the constricted portion, and the gauge portion, being formed axially, a wear checking gauge line having a predetermined depth and width formed so as to extend from one end portion of an outer circumferential surface portion of the gauge portion in the direction of the constricted portion.
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