Clamped flange fitting and assembly
US6234545A · kind A · utility
42Cited by
70References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1998 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Mar 27, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L23/22
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A clamped flange pipe or tube fitting assembly includes a resilient seal ring compressed in a chamber formed by cooperating recesses in opposed flanges. The chamber and seal ring are dimensionally related in a manner to produce circumferentially continuous, radially spaced primary and secondary seal areas and to assure a continuous interior surface between the connected pipes or tubes with no recesses to entrap process fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.