Plastic and nonmetallic article shaping or treating: processes – Gas or vapor deposition of article forming material onto...
Reexamination Certificate
2007-05-01
2007-05-01
Theisen, Mary Lynn (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Gas or vapor deposition of article forming material onto...
C264S122000, C264S128000
Reexamination Certificate
active
10757003
ABSTRACT:
A method and apparatus for making carbon/carbon composite disks for braking applications that employs a continuous feeding of fiber strands into a mold. The fibers are then compressed to form a mat or preform. The fibers are then needled such that the fibers within the mat interlock and extend in various directions. The mat or preform is then subjected to densification processing. In order to enhance the effectiveness of the densification process and/or to speed up the processing time, a filler is added to the preform during the manufacturing process. The fillers are added by way of a dry powder or as a liquid slurry. The filler may be aluminum oxide, boron carbide, silicon carbide, pitch, or a variety of carbonic or noncarbonic performance enhancers.
REFERENCES:
patent: 5686117 (1997-11-01), Snyder et al.
patent: 5962135 (1999-10-01), Walker et al.
patent: 6083436 (2000-07-01), Thompson et al.
patent: 6376431 (2002-04-01), Matsumoto et al.
Snyder David R.
Thompson William D.
Webb Robert T.
Aircraft Braking Systems Corporation
Renner Kenner Greive Bobak Taylor & Weber
Theisen Mary Lynn
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