Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edward Williams0
Alan Eugene Kirkland0
Date of Patent
March 17, 2015
Patent Application Number
13082074
Date Filed
April 7, 2011
Patent Primary Examiner
Patent abstract
A method of extending the life of an extruder screw by affixing tiles of wear-resistant material along the crest of the extruder screw flighting threads, and optionally grinding the hardened material to remove any sharp edges. In another configuration of the present invention, plates of wear-resistant material are secured to the leading edges of the extruder screw threads to further prolong the life of the extruder screw.
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