Method for determining bolting torque
US12332134B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2021 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Aug 17, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a bolting torque determination method which includes a preparation process of preparing samples of an object and samples of a bolt, a sample fracture torque acquisition process of measuring and acquiring a sample fracture torque, an effective fastening torque zone determination process of determining an effective fastening torque zone, in which fastening is performed without fracture, a bolt fastening angle measurement process of performing test fastening on the samples according to each of the plurality of selected experimental torques and measuring bolt fastening angles, and a bolting torque determination process of determining a bolting torque, whereby a rotation angle of each of the sample bolts is measured from a predetermined reference point of time to a point of time when the test fastening is finished.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.