Flange nut for mine roof bolt
US6619888B2 · kind B2 · utility
9Cited by
30References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Mar 12, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B37/005
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for making a nut having a first end, a second end, and defining an orifice extending between the first end and the second end. A plurality of first threads are positioned in the orifice defined by the nut body, and a malformed thread is positioned in the orifice defined by the nut body, wherein the malformed thread interrupts continuity of at least one of the plurality of first threads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.