Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas Walker0
George T. Bertram0
Date of Patent
April 23, 2019
0Patent Application Number
132231230
Date Filed
August 31, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is a web handling system that includes a spindle having a spindle magnetic coupling portion and a roll core configured for receiving the spindle for mounting thereon and having a roll magnetic coupling portion, wherein the spindle and roll magnetic coupling portions are configured for magnetically attracting each other to hold the roll on the spindle.
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