Patent · US Expired

Pressure relief valve for containers

US4489754A · kind A · utility

16Cited by

7References

5Claims

0Family size

Assignee

Deutsche Babcock Anlagen GmbH · DE

Inventors

Roland Seessle · Steinheim, DE
Werner Maier · Schifferstadt, DE

Key dates

Filing date	Sep 29, 1982
Grant date	Dec 25, 1984
Priority date	—
Expiry date	Sep 29, 2002

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7904
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

Pressure relief valve for containers, including a ferro-magnetic valve body having a hole formed therein and a sealing element for the hole, the sealing element being in the form of a disc-shaped permanent magnet having a side facing the hole formed in the valve body and an elastomer seal disposed on the side of the permanent magnet facing the hole, and a cap formed of synthetic material covering the valve.

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