Expandable core plug
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 9, 2002
Grant Date -
Nov 1, 2001
app pub date -
Jan 25, 2001
filing date -
Jan 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An expandable, self-adjusting core plug which will maintain a fit between core plug and an out-of-round web roll core. The present invention accomplishes this by providing a core plug with a number of individual, elongated beveled ribs and a corresponding beveled spindle, both of which cooperatively and axially adjust the thickness of the core plug to meet variations in the inner diameter of the core.
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