Method of manufacturing a measuring wheel for wireline...

Metal working – Method of mechanical manufacture – Wheel making

Reexamination Certificate

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C029S894200, C029S895210, C029S402060, C029S402080, C029S402180, C033S778000, C474S190000

Reexamination Certificate

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06857187

ABSTRACT:
A method of manufacturing a measuring wheel for wireline operations includes the step of machining a metal wheel to achieve a first outer radius. The metal wheel is positioned within a ceramic ring having an inner radius that exceeds the first outer radius by an amount in the range of 0.005 to 0.010 inches, defining a gap between the ceramic ring and the metal wheel. The gap is substantially filled with a suitable epoxy, and the epoxy is cured to adjoin the ceramic ring to the metal wheel. The perimeter of the ceramic ring is machined to achieve a second outer radius and a desirable surface finish and pattern.

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Ceramic Technologies Inc, “Solid Ceramic IDW Measuring Wheel”,Brochure, Sep. 1996.

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