Locking joint for pipe systems
US5297826A · kind A · utility
87Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1992 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Nov 6, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L21/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A socket joint for ductile cast iron pipes is locked by toothed locking ring inserts 15 and a counter-flange 11. At least one elastic lip 19 is inserted between the locking ring and the rear face of a rigid stop ring which encloses the smooth or male end of the pipe 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.