Patent · US Expired

Vent pressure relief device

US5197622A · kind A · utility

18Cited by
7References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 17, 1992
Grant dateMar 30, 1993
Priority date
Expiry dateAug 17, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/1744
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A device for venting dangerous pressures within a cylindrical battery. Pressure relief is provided by special score lines in a container to give way under a pressure increase prior to the pressure rising to the level that might cause an explosive condition. To insure the score lines give before any other part, re-enforcig members are provided to re-enforce the other parts of the container.

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