US 6,981,911 B2
Abrasive drill bit
Jose-Maria Vidal Martina, Jr. Garcia Garcia N. 234, La Puntas - Callao, Lima (Peru)
Filed on Apr. 28, 2003, as Appl. No. 10/424,967.
Application 10/424967 is a continuation of application No. 09/817648, filed on Mar. 26, 2001, abandoned.
Prior Publication US 2003/0228835 A1, Dec. 11, 2003
Int. Cl. B23B 49/00 (2006.01)
U.S. Cl. 451—547 16 Claims
OG exemplary drawing
 
1. A method of forming a hole in a solid material, said method comprising:
orienting a guide on a surface of said solid material;
placing an abrasive material in a guide hole of said guide;
placing an abrasive cylinder bit into said guide hole of said guide, said abrasive cylinder bit comprising a cylinder and a connection means, said cylinder comprising a cylinder base, a cylinder side and a cylinder edge distal said cylinder base, said connection means being connected to a drill;
energizing said drill to rotate said abrasive cylinder bit; and
grinding a circle through said solid material by grinding said abrasive material between said cylinder edge of said abrasive cylinder bit and said solid material.