SEALED BATTERY AND ITS MANUFACTURE - MATSUSHITA ELECTRIC IND CO LTD

Title:

SEALED BATTERY AND ITS MANUFACTURE

Document Type and Number:

WIPO Patent Application WO/1999/035699

Kind Code:

A1

Abstract:

A sealed battery wherein a metallic reinforcing plate (3) is welded fixedly to that portion of the internal surface of a battery case (1) near an opening part, and an insulating resin gasket (2) and a sealing member (5) incorporating an explosion-proof mechanism for a battery are put on the metallic reinforcing plate (3) sequentially, whereby eliminating the conventional need for forming a recessed part by caulking in the upper part of the side surface of the battery case (1) to provide the sealed configuration of the battery capable of eliminating wasteful space for increasing the capacity of the battery and securing the reliability for an explosion-proof mechanism and leakage prevention measure.

More Like This:

JP6632815	Water injection type battery, manufacturing method of water injection type battery
JPH11185794	MANUFACTURE OF SPIRAL ELECTRODE GROUP
JP2017073462	ELECTROCHEMICAL DEVICE

Inventors:

YOSHIO HIDEAKI (JP)
MIZUTANI SEIICHI (JP)
TSURUTANI SHINJI (JP)
NAKATSUKA SABURO (JP)
IIDA MAMORU (JP)

Application Number:

PCT/JP1999/000061

Publication Date:

July 15, 1999

Filing Date:

January 11, 1999

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
YOSHIO HIDEAKI (JP)
MIZUTANI SEIICHI (JP)
TSURUTANI SHINJI (JP)
NAKATSUKA SABURO (JP)
IIDA MAMORU (JP)

International Classes:

H01M6/02; H01M10/02; H01M10/04; H01M50/107; H01M50/167; (IPC1-7): H01M2/02; H01M10/02

Foreign References:

JPH0244650A	1990-02-14
JPS58169659U	1983-11-12

Other References: