Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Plural cells
Patent
1993-08-31
1995-07-25
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Plural cells
429159, 429162, 296234, H01M 642
Patent
active
054360897
ABSTRACT:
A battery pack is provided for housing a plurality of fiat cells for portable electronic device applications. The battery pack is sufficiently thin to preserve the desirable thin profile of the fiat cells and yet exhibits surprising structural integrity considering the relatively thin polycarbonate material from which the housing of the pack is fabricated. A plurality of thin cells is laterally arranged side by side in spaced-apart relationship to form a cell subassembly. An adhesive is applied to a polycarbonate sheet. The sheet is then cut to a predetermined form and embossed to form creases along predetermined fold lines. The prepared sheet is then folded at the fold lines and positioned to substantially surround the cell subassembly and form a box-like structure around such subassembly. Adhesive on an upper sheet section adheres to the top planar surfaces of the fiat cells while adhesive on a lower sheet section adheres to the bottom planar surfaces of the flat cells. The upper and lower sheet sections formed by the boxlike folded sheet housing are substantially parallel with each other. In this member, the plurality of flat cells together with the parallel upper and lower sheet sections form a multiple I-beam structure which provides the battery housing with substantially structural integrity.
REFERENCES:
patent: 1501084 (1924-07-01), Wright et al.
patent: 1747757 (1930-02-01), Deibel
patent: 4883726 (1989-11-01), Peled et al.
Kalafut Stephen
VST Power Systems, Inc.
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