Collector shoe and method for producing it
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United States of America Patent
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Feb 8, 1994
Grant Date -
N/A
app pub date -
Jun 18, 1991
filing date -
Dec 20, 1988
priority date (Note) -
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status (Latency Note)
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Abstract
A press-molded collector shoe having a body made of a first carbon piece, and a layer disposed on a side thereof made of a second, less conductive carbon piece. The second piece covers only a portion of the side of the collector shoe. An electrical lead projects from a portion of the side which is not covered by the second piece. During the production of the collector shoe the surface layer is pre-pressed in a separate step and the first carbon piece into which the lead wire is imbedded and the second piece are then pressed together.
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