Cap plate and secondary battery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11196115
APP PUB NO 20190237712A1
SERIAL NO

15976638

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present disclosure provides a cap plate and a secondary battery. The cap plate includes a main portion and a first protruding portion. The main portion includes a first exterior surface, a second exterior surface and a third exterior surface, the third exterior surface is a curved surface. The first protruding portion includes a fourth exterior surface extending downwardly from a bottom end of the third exterior surface, the fourth exterior surface is inclined inwardly relative to the third exterior surface. The secondary battery comprises the cap plate and a case. The case includes an opening; the cap plate is provided to the opening, the main portion is fixed to an inner wall of the case. The first protruding portion is received in the case, and a gap is provided between the fourth exterior surface and the inner wall, a dimension of the gap increases gradually along a downward direction.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDHONG KONG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guo, Zhijun Ningde, CN 126 236
Li, Guowei Ningde, CN 49 338
Wang, Peng Ningde, CN 1419 6748
You, Zhiyi Ningde, CN 9 15
Zhang, Jie Ningde, CN 1052 8750
Zhu, Taosheng Ningde, CN 45 110

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