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:
Sep. 03, 2013
Filed:
Oct. 31, 2011
Jae-wook Lee, Yongin-si, KR;
Chi-young Lee, Yongin-si, KR;
Gwan-chan Jeon, Yongin-si, KR;
Myung-jin Jeong, Yongin-si, KR;
Jae-Wook Lee, Yongin-si, KR;
Chi-Young Lee, Yongin-si, KR;
Gwan-Chan Jeon, Yongin-si, KR;
Myung-Jin Jeong, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Abstract
A rechargeable battery including an electrode assembly, the electrode assembly including a positive electrode and a negative electrode; a case accommodating the electrode assembly; a cap plate coupled with the case; and a vent member welded to the cap plate, the vent member including a notch thereon, wherein a welded unit, by which the vent member and the cap plate are welded together, is separately formed toward a center of the cap plate in a thickness direction from an outer side of the cap plate so as to be spaced apart from the outer side of the cap plate.