Pipe joint
US4676529A · kind A · utility
32Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 1986 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | Mar 24, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L15/007
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe joint of the free-running thread type is provided with engaging shoulders on the pin and box that are positioned for the metal adjacent the shoulders to be stressed by make-up torque beyond its yield joint and extruded laterally of the shoulders into grooves to mechanically lock the joint in its made-up position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.