Machine and method for preventing flange leakage
US6203019A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Mar 31, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L23/167
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A diaphragm weld assembly for preventing fluid leakage from a flange. The diaphragm weld assembly has a flange having a platform, the platform having an opening and an annular weld pocket concentric with the opening, a diaphragm resting on the platform and having a ring extending from the bottom face of the diaphragm, the ring engaging with the opening, a weld bead formed in the annular weld pocket and welding the diaphragm to the flange, and a flange cover fastened to the flange. A method of creating the diaphragm weld assembly is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.