The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2009
Filed:
Jul. 24, 2007
Hans Mühe, Hildesheim, DE;
Hans Mühe, Hildesheim, DE;
Abstract
A battery includes a housing having a plurality of cell vessels and a plurality of positive and negative electrode plates provided within the cell vessels. The battery also includes a lower cover configured to close the cell vessels with a seal, the lower cover having openings for the cell vessels. The battery further includes a degassing channel system which is coupled to the lower cover by at least one member, the openings of the lower cover opening into the degassing channel system. Annular projections are integrally formed on each of the openings of the lower cover adjacent to the lower cover, and the at least one member is configured to couple the degassing channel system to the lower cover such that the projections seal the openings to the degassing channel system by surface pressure.