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:
Apr. 03, 2001
Filed:
Dec. 18, 1998
Steven K. Sullivan, Cranston, RI (US);
Mark G. Dexter, Acushnet, MA (US);
Kevin R. French, North Dighton, MA (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
End cap apparatus (,) is received in the open end of an electrochemical cell casing (,) and is particularly adapted to be crimped thereto electrically separated from the casing by a gasket (,). The end cap apparatus incorporates current interrupt safety protection features including high rate overcharge protection through an over-temperature and/or low pressure switch (,), low rate overcharge and overdischarge protection through a low pressure switch (,), extended short circuit protection through an over-temperature switch driven by l,r heating of internal components (,), and pressure venting through a frangible portion (,) of a diaphragm. The diaphragm can be integrally formed with a header (,) or can be a separate element (,).