Self locking internally threaded fastener and apparatus and process for making the same
US5607720A · kind A · utility
17Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1994 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | Aug 3, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2258/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A self locking internally threaded fastener and an apparatus and process for making such fasteners, in which the self locking characteristic is derived from a patch of thermoplastic material having a circumferential extent of less than 360.degree. adhered selectively to at least a portion of the thread defining surface of the fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.