Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed...
Reexamination Certificate
2001-02-27
2010-12-28
Hodge, R. (Department: 1729)
Chemistry: electrical current producing apparatus, product, and
Means externally releasing internal gas pressure from closed...
Reexamination Certificate
active
07858217
ABSTRACT:
A top sealing plate used for a battery includes a filter, a cap, and a valve body. The filter has a valve hole and upper opening; the cap has a convex portion and a flange portion disposed around the convex portion; the opening end of the upper opening of the filter has a bend portion; and the outer periphery end of the flange portion of the cap and the bend portion are caulked and joined to each other. The caulked portion includes both states of contact, that is, a strong contact portion and a weak contact portion, between the surface of the outer periphery end of the flange portion and the bend portion. By this configuration, the electric contact resistance between the cap and the filter will be greatly reduced. In addition, the contact resistance is stabilized at a low level. Further, the internal resistance of the battery is lowered, thereby improving the battery performance.
REFERENCES:
patent: 4662533 (1987-05-01), Takahashi et al.
patent: 6019802 (2000-02-01), Ishizuka et al.
patent: 59 189557 (1984-10-01), None
patent: 61 114466 (1986-06-01), None
patent: 8-273649 (1996-10-01), None
patent: 08273649 (1996-10-01), None
patent: 8-339785 (1996-12-01), None
patent: 08339785 (1996-12-01), None
patent: 9-237619 (1997-09-01), None
patent: 10-159074 (1998-06-01), None
Official English Translation of JP-080339785 and JP-08273649.
Japanese search report for PCT/JP01/01457 dated May 29, 2001.
English translation of Form PCT/ISA/210.
European Search Report for corresponding European Patent Application No. 01 906 345.2 dated Feb. 20, 2007.
Goda Yoshio
Suzuki Norio
Yamashita Kiy shi
Hodge R.
Panasonic Corporation
RatnerPrestia
LandOfFree
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