Patent · US Expired

Machine and method for preventing flange leakage

US6203019A · kind A · utility

2Cited by
10References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 1999
Grant dateMar 20, 2001
Priority date
Expiry dateMar 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.