Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate
2007-01-16
2007-01-16
Johnson, Christina (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
C264S279100, C264S259000, C264S610000
Reexamination Certificate
active
10398736
ABSTRACT:
The invention relates to a method for producing ceramic brake disks from a green body consisting of a sheet molding compound (SMC) having reinforcing fibers, and the ensuing pyrolysis and melt infiltration. The aim of the invention is to create a single-element green body comprising very complex inner cavities after pyrolysis. In order to achieve this, the method comprises the following steps: the green body (1) is produced from a sandwich consisting of SMC (2), a thermoplastic insert (4), and SMC (2) in one working step in a tool (5a, 5b), subjected to pressure and temperature; and the insert (4) fills the green body (1) over its entire surface and comprises openings (6) which are arranged in such a way that the upper and lower SMC layers (2) are interconnected, at least in parts.
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Antonelli, Terry Stout and Kraus, LLP.
Daniels Matthew J.
Johnson Christina
Menzolit Fibron GmbH
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