Patent · US Expired

Gas-tight galvanic cell

US4215187A · kind A · utility

12Cited by

8References

6Claims

0Family size

Assignee

Varta Batterie Aktiengesellschaft · DE

Inventors

Bernd Gnida
Gerhard Simon · Mühltal, DE
Eckart Buder
Hans-Jurgen Schwartz · Hemer, DE

Key dates

Filing date	Aug 2, 1978
Grant date	Jul 29, 1980
Priority date	—
Expiry date	Aug 2, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The electrodes and separators are assembled into a plate package, which is slipped over a post extending upward from the cell housing bottom. Pole lead-through is provided in the lid, the lead-through includes a rivet and a sealing ring. The edges of the housing bottom and the tip of the post are welded to the lid to close the cell.

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