E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 35/18 (2006.01) E21C 35/19 (2006.01) E21C 35/197 (2006.01)
Patent
CA 2151830
A cutting bit (10) including a conical nose (12) and an integral depending cylindrical shank (14). The conical nose (12) includes a tip (26) having a hard wear resistant insert (28) and a flange (24) positioned between the tip (26) and the shank (14) and having a diameter greater than the shank (14). The flange (24) has a planar underside (30) including at least one undercut (34) extending radially inward from the exterior peripheral surface of the flange (24) to provide in cooperation with the face (32) of a cutting bit block (20) a resistance surface for insertion of a tine of a cutting bit removal tool.
Taillant (10) comprenant un nez conique (12) et une queue cylindrique (14). Le nez conique (12) comprend une pointe (26) pourvue d'une pièce rapportée résistant à l'usure (28) et une collerette (24) située entre la pointe (26) et la queue (14) ayant un diamètre plus grand que la queue (14) du taillant. La collerette (24) a un dessous plat (30) qui comprend au moins une gorge (34) orientée radialement vers l'intérieur à partir de la surface périphérique extérieure de la collerette (240 pour former avec la face (32) d'un bloc du taillant (20) une surface de résistance en vue de l'insertion d'une dent de l'outil servant à enlever le taillant.
Beach Wayne H.
Den Besten Leroy
Kennametal Inc.
Smart & Biggar
LandOfFree
Extraction undercut for flanged bits does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Extraction undercut for flanged bits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extraction undercut for flanged bits will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1928211