Frame saw for cutting granite and method to improve...

Stone working – Sawing – Rotary

Reexamination Certificate

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C125S016010, C125S021000

Reexamination Certificate

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07082939

ABSTRACT:
A horizontal frame saw is equipped with a plurality of generally parallel, spaced-apart blades for cutting granite. Each of the blades has a cutting edge with diamond cutting segments mounted thereon for engaging the granite with a swinging motion for cutting of the granite, wherein the segments have optimized/controlled segment variables for uniform wearing of the segments along each blade during cutting of granite. Segment variables include one or more of: spacing of segments along the length of the blade; diamond concentration in each segment; diamond grade (as measured by compressive fracture strength) in each segment; segment composition (bond, secondary abrasives); or segment dimensions.

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“As UKR Hard MTLS”, Derwent Publications Ltd., London, Jul. 24, 1975.

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