E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/06 (2006.01) E21B 7/06 (2006.01) E21B 7/08 (2006.01) E21B 49/06 (2006.01)
Patent
CA 2262106
A milling apparatus which comprises a mill, and a starter bar which depends from said mill, characterised in that said starter bar is detachably connected to said mill.
L'invention concerne un appareil de fraisage. Cet appareil comprend une fraise, et une barre en attente accrochée à la fraise. L'appareil se caractérise en ce que cette barre peut se raccorder de manière amovible à la fraise.
Blizzard William Allen Jr.
Carter Thurman Beamer
Lee Mark Howard
Ward Richard Michael
Marks & Clerk
Weatherford/lamb Inc.
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