Battery pack
AssigneeSanyo Electric Co., Ltd.
InventorsKatsuhiko Kawabata, Atsushi Watanabe, Masatsugu Naka, Hiromu Kubota
Life of this patent
Estimating the term…
Abstract
The battery 2 of the battery pack is temporarily held in a mold 30 to form a molded resin region 1, synthetic resin injected into the mold cavity 31 to form the molded resin region 1 attaches to the battery 2, and the molded resin region 1 attaches to a safety valve opening surface 20 established at the battery safety valve opening region 9. Further, insulating material 15 is attached at the interface between the battery safety valve opening surface 20 and the molded resin region 1 in a position which closes off the safety valve opening region 9.
Claims20
A battery pack comprising:
- a battery having a safety valve opening surface;
- a safety valve opening formed in said safety valve opening surface;
- a safety valve disposed in said safety valve opening;
- a molded resin region attached to said battery safety valve opening surface;
- and
- an insulating material disposed between said safety valve opening surface and said molded resin region so as to cover said safety valve opening,
- wherein said insulating material includes a through hole located at a position that is separate from said safety valve opening, and said molded resin region is connected to said battery safety valve opening surface through said through hole.
A battery pack comprising:
- a battery having a safety valve opening surface;
- a safety valve opening formed in said safety valve opening surface;
- a safety valve disposed in said safety valve opening;
- a molded resin region secured to said battery safety valve opening surface;
- and
- an insulating material disposed between said safety valve opening surface and said molded resin region so as to cover said safety valve opening,
- wherein said insulating material includes a projection extending into said molded resin region, and said projection couples said insulating material and said molded resin region.
Dependencies are inferred from the claim text.