Gear cutting – milling – or planing – Broaching – Means for cutting groove
Patent
1994-06-16
1995-08-08
Briggs, William
Gear cutting, milling, or planing
Broaching
Means for cutting groove
409277, B23D 3704
Patent
active
054393353
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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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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