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:
Feb. 20, 2001
Filed:
Mar. 25, 1999
Paul Julian Wyser, Appenzell, CH;
Renata AG, Itingen, CH;
Abstract
Prismatic battery including a metal container (,) within which is arranged a non circular spiral winding (,) of at least one composite strip (,) including an anode (,) and a cathode (,), separated by porous separators (,) impregnated by an electrolyte, said container (,) being sealed at its upper portion by a cover (,). The spiral winding (,) is formed around a rigid spool (,) including an upper flange (,), having the dimensions of the opening of the cavity (,), and a lower flange (,), having the inner dimensions of the bottom (,), said flanges being joined by a central neck (,) and, on either side, by two lateral necks (,), said necks (,) delimiting two openings (,) in the median portion of the spool (,) and a free space (,) at its periphery to accommodate the winding (,).