Abstract
The present invention relates to a rock bolt (100) having state monitoring for determining tensions or deformations in the form of a conductor track (104) attached to the bolt body (102), the electrical resistance of which conductor track changes proportionately to the tension/deformation. The conductor track can consist of electrically conductive inks which are applied directly to the bolt body by means of a printing process.
| Original language | English |
|---|---|
| Patent number | CA3130662 |
| IPC | E21D 21/ 02 A I |
| Priority date | 6/02/20 |
| Publication status | Published - 27 Aug 2020 |
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