Block splitting assembly and method

Stone working – Splitting – shearing – and punching

Reexamination Certificate

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Details

C125S040000

Reexamination Certificate

active

07146974

ABSTRACT:
A concrete block is produced from a workpiece that is split by a plurality of splitting assemblies, each of which comprises a multiplicity of peaks, for example alternating ridges and valleys. A splitting assembly is positioned to engage each of the top, bottom and side surfaces of the workpiece, whereby a block resulting from the splitting process an irregular front face and has a front face with irregular top, bottom and side edges. The resulting block can be a concrete masonry block that is laid up in a wall with other like blocks with mortar between the blocks, or any other concrete block product.

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U.S. Appl. No. 09/691,864, entitled “Block Splitting Assembly and Method,” filed Oct. 19, 2000.
“Besser Rustic Machine,” http://www.besser.com/equipment/productenhance/rustic.htm, 2 pages (Date Printed Dec. 1, 2004).
“Fairlane Positioning and Workholding Products,” http: www.fairlaneprod.com.index.htm, Fairlane Products Inc., 2 pages (Date Printed Nov. 15, 2001).
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Declaration of Michael S. Lidbom.

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