| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack suitable for small-sized electric equipment which is required to be downsized and thinned, wherein the battery back with unit batteries and their electrical components integrated by a resin mold can be formed without being impaired in its external appearance, while maintaining a symmetry property of an external appearance shape, so that no waste is incurred in a battery housing space. SOLUTION: A unit battery 1 with a low-profile square box shape and the electrical components disposed on a peripheral surface of the battery 1 are fixed by a resin mold 2. The resin mold 2 integrates the electrical components with the battery 1 by covering the front and rear surfaces and left and right side surfaces of the battery 1. The resin mold 2 is formed by being divided into a primary molding part 2a and a secondary molding part 2b by a two-color molding method. A primary molding is performed by fitting the battery 1 and the electrical components fixed to its peripheral surface into a first mold 30 to fix them and injecting resin into a second mold 32 jointed to the first mold 30. A secondary molding is performed by jointing the second mold 32 separated from the first mold 30 to a third mold 34 and injecting the resin into the third mold 34. COPYRIGHT: (C)2005,JPO&NCIPI
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