Visual torque indication for threaded joints
US10704975B2 · kind B2 · utility
0Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2018 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Aug 7, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2201/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A threaded element for a mechanical joint includes a body including threads and a visual torque indicator disposed on the body, the torque indicator including a strain-responsive material configured to change visual appearance in response to the application of a strain of a predetermined first magnitude thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.