Process for complex shape formation using flexible graphite sheets
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United States of America Patent
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-
Feb 27, 2007
Grant Date -
Jul 29, 2004
app pub date -
May 13, 2002
filing date -
May 13, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Processes are provided for formation of complex shapes by embossing of a sheet of flexible graphite material. In one approach, a sheet (26) of material is provided with a variable resin concentration across a selected dimension of the sheet, and the position of the variable which will result in thinner areas in the embossed articles. In a second approach, recesses are provided in the embossing rollers (30 and/or 32) to accomodate material flow during embossing. These recesses result in protrusions formed on the articles, which protrusions must then be removed in a machining operation.
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