Metal working – Method of mechanical manufacture – Electrical device making
Patent
1996-12-12
1997-12-23
Skapars, Anthony
Metal working
Method of mechanical manufacture
Electrical device making
29730, 2424441, 156446, H01M 600, B23P 1904
Patent
active
057002991
ABSTRACT:
A battery core winding apparatus for winding into an electrochemical cell, a plurality of flexible strip members comprising a first conducting flexible electrode having a first leading edge, a second conducting flexible electrode having a second leading edge, and a separator, includes a first elongate feeder bed and a second elongate feeder bed longitudinally disposed from the first feeder bed. A winding cavity is formed between the feeder beds. A first arbor half having a first flat surface and a first curvilinear winding surface is rotatingly supported within the winding cavity substantially midway between the first and the second feeder beds, and a second arbor half having a second flat surface and a second curvilinear winding surface is rotatingly supported within the winding cavity such that the second flat surface faces the first flat surface and the first and second flat surfaces are interspaced to form a slot. A first pair of forming rollers are rotatingly supported and disposed within the winding cavity proximate to and forming a gap with the first curvilinear surface, and a second pair of forming rollers are disposed within the winding cavity proximate to and forming a gap with the second curvilinear surface. At least one feeder roller is rotatingly embedded in each of the first and second feeder beds, the rotational axis of each roller being substantially perpendicular to the elongate axis of the feeder beds, and a pressure roller is rotatingly mounted in registration with each of the feeder rollers, the pressure roller axis of rotation being parallel to that of the feeder roller and each pressure roller is spring biased against its adjacent feeder roller.
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Eveready Battery Company Inc.
Skapars Anthony
Welsh Robert W.
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