Patent ID: 11920410
Assignee: EPIROC DRILLING TOOLS AKTIEBOLAG
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E  G

Claim 6:
7. A system for identification of a drill tool that is adapted for use in a rock drill or rock drill rig arranged to perform earth drilling operations or drilling operations in rock-type materials, the system comprising:
a drill tool which comprises a machined marking on a perimeter surface of the drill tool, wherein the machined marking is positioned on a segment of the perimeter surface, wherein the machined marking is arranged on a cylindrical engagement portion, wherein a first part of the engagement portion is configured for mounting in the drill rig and a second part of the engagement portion comprises the machined marking, wherein the machined marking comprises a matrix of indentations having predetermined column and row positions to convey an identity of the drill tool, and wherein the machined marking is optically readable from a plurality of single directions when the first part is mounted in the drill rig;
a portable image detection reader adapted to obtain one or more optical images of the machined marking from at least one a plurality of single directions; and
processing circuitry configured to retrieve identification data for the drill tool based on the obtained one or more optical images of the machined marking.