STRIPPING DEVICES AND PUNCH ASSEMBLIES
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United States of America Patent
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Issued Date -
Nov 10, 2016
app pub date -
Jul 18, 2016
filing date -
Jan 19, 2015
priority date (Note) -
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Abstract
A stripping device for stripping a workpiece from a punch includes a body having a sidewall that defines a bore. The bore includes a first portion and a second portion spaced at distances from an axis of the bore. The first portion is dimensioned such that the sidewall at least partially closes off one end of the body. A stripping element engages the first portion of the body and has a sidewall. A bore of the stripping element receives the punch during operation of the stripping device. A backup plug has a circular bore and is threadably secured in the bore of the body. The circular bore is sized to guide the punch into the bore of the stripping element during assembly of the stripping device onto the punch. A spring element is between the backup plug and the stripping element and includes a disc spring or a coil spring.
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