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Albert M Sciaky, William R Mello: Method and apparatus for manufacturing rotary drill bits. Sciaky Bros, Julius L Solomon, July 4, 1978: US04098448 (21 worldwide citation)

A method and apparatus for the manufacture of rotary drill bits such as are used for oil well drilling which are constructed from a multiplicity of segments. The segments are provided with registration means for positioning the segments relative to one another and are placed in a fixture where they ...


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Sciaky Albert M, Mello William R: Methode et appareil de fabrication de trepans, Method and apparatus for manufacturing rotary drill bits. Sciaky Bros, April 1, 1980: CA1074595

ABSTRACT METHOD AND APPARATUS FORMANUFACTURING ROTARY DRILL BITS A method and apparatus for the manufacture of rotarydrill bits such as are used for oil well drilling which areconstructed from a multiplicity of segments. The segmentsare provided with registration means for positioning thesegments re ...


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