The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 19, 2008
Filed:
Aug. 26, 2004
Alan A. Arico, South Bend, IN (US);
David E. Parker, Granger, IN (US);
Akshay Waghray, Granger, IN (US);
Brian Miller, Mishawaka, IN (US);
David W. Shaw, Niles, MI (US);
Alan A. Arico, South Bend, IN (US);
David E. Parker, Granger, IN (US);
Akshay Waghray, Granger, IN (US);
Brian Miller, Mishawaka, IN (US);
David W. Shaw, Niles, MI (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
Method for densifying a porous carbon preform (). The method includes the steps of: (a) providing the apparatus (); (b) charging the apparatus () with a plurality of stacks of annular porous carbon preforms (), the preforms being separated from one another by spacers (); (c) locating the charged apparatus () in a furnace at a temperature in the range of 950-1100° C. and a pressure in the range of 5-40 torr; and (d) circulating a natural gas reactant blended with up to 15% propane through the apparatus for a period of from 150 to 900 hours. Carbon-carbon composite preforms made by this method may be configured as aircraft landing system brake discs or racing car brake discs.