Process for complex shape formation using flexible graphite...

Details Process for complex shape formation using flexible graphite... Process for complex shape formation using flexible graphite...

2007-02-27

2007-02-27

Lee, Edmund H. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Forming continuous work followed by cutting

C264S284000, C264S296000

Reexamination Certificate

active

10476251

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 (30and/or32) 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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patent: 6096450 (2000-08-01), Walsh

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