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:
Jan. 17, 2006
Filed:
Jan. 03, 2003
David Anglin, Brookfield, CT (US);
Mark Ashbolt, Newtown, CT (US);
Anthony Malgioglio, Stamford, CT (US);
Alexander Shelekhin, Ridgefield, CT (US);
Steven J. Specht, Brookfield, CT (US);
Matthew Sylvestre, Woodbury, CT (US);
Philip Trainer, Sandy Hook, CT (US);
Robert A. Yoppolo, New Milford, CT (US);
David Anglin, Brookfield, CT (US);
Mark Ashbolt, Newtown, CT (US);
Anthony Malgioglio, Stamford, CT (US);
Alexander Shelekhin, Ridgefield, CT (US);
Steven J. Specht, Brookfield, CT (US);
Matthew Sylvestre, Woodbury, CT (US);
Philip Trainer, Sandy Hook, CT (US);
Robert A. Yoppolo, New Milford, CT (US);
The Gillette Company, Boston, MA (US);
Abstract
An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can be supplied through an open end in the housing and an end cap assembly inserted therein to seal the cell. The end cap assembly includes an insulating sealing member having a circumferential skirt which surrounds wide portions of the anode current collector. This provides a barrier between said wide portions of the current collector and the cell housing. The end cap assembly includes a vent mechanism which can activate, when gas pressure within the cell reaches a level typically between about 100 and 300 psig (6.89×10and 20.69×10pascal gage). The cathode can be formed of a plurality of stacked slabs having aligned hollow centers forming a central core with anode material placed therein. A separator is between anode and cathode. The housing can be of steel having a wall thickness desirably between about 0.30 and 0.45 mm.