US 12,251,792 B2
Reciprocal segment abrasive cutting tool
Yong Wook Lee, Lilburn, GA (US)
Assigned to Dixie Diamond Manufacturing, Inc., Lilburn, GA (US)
Filed by Dixie Diamond Manufacturing, Inc., Lilburn, GA (US)
Filed on Oct. 7, 2022, as Appl. No. 17/961,686.
Application 17/961,686 is a continuation in part of application No. 17/466,702, filed on Sep. 3, 2021, granted, now 11,465,261.
Prior Publication US 2023/0082832 A1, Mar. 16, 2023
Int. Cl. B24D 5/12 (2006.01); B24D 5/06 (2006.01); B24D 5/14 (2006.01); B24D 7/06 (2006.01); B24D 7/14 (2006.01); B24D 99/00 (2010.01)
CPC B24D 5/12 (2013.01) [B24D 5/063 (2013.01); B24D 5/066 (2013.01); B24D 5/123 (2013.01); B24D 5/14 (2013.01); B24D 7/063 (2013.01); B24D 7/14 (2013.01); B24D 99/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cutting tool comprising:
a plurality of segments arranged around a periphery of a cutting tool, each segment, of the plurality of segments comprising:
a first portion comprising a first material having a first hardness;
a second portion comprising a second material having a second hardness, the second hardness being less than the first hardness; and
a transition region positioned between the first portion and the second portion, the transition region comprising at least part of the first material and at least part of the second material, the transition region having an overall third hardness that is less than the first hardness and greater than the second hardness,
wherein a first segment and a second segment of the plurality of segments are attached to the periphery of the cutting tool such that at least the first portion of the first segment is aligned in a cutting direction with the second portion of the second segment.