Patent · US Active

Pressure relief valve with floating diaphragm

US11155395B2 · kind B2 · utility

0Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2019
Grant dateOct 26, 2021
Priority date
Expiry dateSep 24, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D77/225
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Pressure relief valve of a packaging container, comprising: a main body (2) with an edge region (3) and with a sealing face (4), wherein the edge region (3) is connectable in sealing fashion to a wall (10) of a packaging container (100) and wherein at least one passage opening (51) is formed in the sealing face (4), said passage opening extending through the main body (2), a first diaphragm (6) that is arranged over the passage opening (51) and at least partly covers the sealing face (4), a second diaphragm (7) that at least partly covers the first diaphragm (6), and a fluid (8) that is applied to the sealing face (4) and by means of which fluid the first diaphragm (6) is held on the sealing face (4) in floating fashion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.