B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/31
B23B 51/00 (2006.01) B23B 51/04 (2006.01)
Patent
CA 1150536
ANNULAR HOLE CUTTER Abstract of the Disclosure An annular hole cutter wherein each tooth is formed with at least three cutting edges, each of which is designed to cut a separate chip. The two radially innermost cutting edges are formed on the portion of each tooth which corresponds to the thickness of the web between successive teeth. The web has a thickness which is preferably greater than the radial depth of the flute between successive teeth. i.
375298
Hougen Everett D.
Marks & Clerk
LandOfFree
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