Roll or roller – Axially stacked annular members – Cloth or fabric member
Patent
1994-10-27
1995-08-08
Briggs, William
Roll or roller
Axially stacked annular members
Cloth or fabric member
409244, B21B 3108, B23D 3700
Patent
active
054394350
ABSTRACT:
The present invention relates to a method and apparatus for forming a longitudinally extending keyway portion in a mill roll having a central bore. The keyway portion may be either a keyway or a tab portion. A cutting head is provided, and includes a body and one or more cutting tools extending from the periphery of the cutting head body. The cutting head is driven through the central bore of the mill roll, and the cutting tools form one or more keyway portions adjacent and communicating with the central bore.
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3M reprint entitled "New Method of Oiling Galvanized Steel Coil Improves Quality, Reduces Costs 50 Percent", Brochure No. 61-5000-4190-2 (Undated).
3M reprint entitled "New Type Mill Roll Reduces Downtime At Aluminum Plant", Brochure No. 61-5000-2983-2 (Undated).
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Curtis Gary L.
Johnson Gregory A.
Tuebo Paula M.
Briggs William
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Trussell James J.
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