IP Library Granted Patent US 7,096,863
Granted Patent B2
US 7,096,863 · App. 10/983,467 · Granted Aug 29, 2006

Granite slabs cut with frame saw employing blades with diamond-containing segments and method of cutting thereof

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Quick Facts
Patent No.
US 7,096,863
App. No.
10/983,467
Granted
Aug 29, 2006
Kind
B2
Abstract

A graphite block cut into slabs by a sawing device comprising a plurality of generally parallel, spaced-apart blades with each of the blades having a plurality of cutting segments mounted thereon, each of the cutting segments comprising a continuous phase impregnated with a superabrasive material selected from one of natural diamond, synthetic diamond, cubic boron nitride, and combinations thereof; wherein each of the granite slabs as cut from the block has a surface roughness R a of less than 500 μ-in, and with thickness variation of 2 mm or less from a nominal slab target.

Claims (7)

1. A granite block cut into slabs by a sawing device comprising a plurality of generally parallel, spaced-apart blades with each of the blades having a plurality of cutting segments mounted thereon, each of the cutting segments comprising a continuous phase impregnated with a superabrasive material selected from one of natural diamond, synthetic diamond, cubic boron nitride, and combinations thereof;

wherein each of the granite slabs as cut from the block has a surface roughness R a of less than 1000 μ-in and each of the as-cut granite slabs has a mean thickness variation of less than 20% of the thickness of a nominal slab target.

2. The as-cut granite slabs of claim 1 , wherein each of the as-cut granite slabs has a surface roughness R a of less than 500 μ-in.

3. The as-cut granite slabs of claim 1 , wherein each of the as-cut granite slabs has a mean thickness variation of less than 20% of the thickness of a nominal slab target.

4. The as-cut granite slabs of claim 1 , wherein each of the as-cut granite slabs has an ISO 10-point height parameter R z of less than 10,000 μ-in and a maximum peak-to-valley height R max of less than 10,000 μ-in.

5. The as-cut granite slabs of claim 4 , wherein each of the as-cut granite slabs has an ISO 10-point height parameter R z of less than 5,000 μ-in and a maximum peak-to-valley height R max of less than 5,000 μ-in.

6. The as-out granite slabs of claim 5 , wherein each of the as-cut granite slabs has an ISO 10-point height parameter R z of less than 4,000 μ-in and a maximum peak-to-valley height R max of less than 4,000 μ-in.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF ASSIGNEE PREVIOUSLY RECORDED ON REEL 026272 FRAME 0836. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNORS' INTEREST. Recorded Jul 18, 2011
From: DIAMOND INNOVATIONS INC.
To: EHWA DIAMOND INDUSTRIAL CO., LTD.
Reel/Frame 026605/0490 →
CORRECTIVE ASSIGNMENT TO CORRECT THE COVER SHEET DATA - ASSIGNEE AND CORRESPONDENCE ADDRESS PREVIOUSLY RECORDED ON REEL 026067 FRAME 0020. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECTION OF THE ASSIGNEE FROM EHWA DIAMOND INDUSTRIAL COMPANY, LTD, TO EHWA DIAMOND INDUSTRIAL COMPANY, LTD. Recorded May 4, 2011
From: DIAMOND INNOVATIONS, INC.
To: EHWA DIAMOND INDUSTRIAL COMPANY, LTD.
Reel/Frame 026272/0836 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 4, 2011
From: DIAMOND INNOVATIONS, INC.
To: EHWA DIAMOND INDUSTIRAL COMPANY, LTD.
Reel/Frame 026067/0020 →