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:
Apr. 03, 2007
Filed:
May. 25, 2004
Mark L. LA Forest, Granger, IN (US);
Nabil Abu Gharbieh, Granger, IN (US);
Raymond J. Cipra, West Lafayette, IN (US);
Alan E. Fatz, Centerville, OH (US);
Thomas H. Siegmund, West Lafayette, IN (US);
Mark L. La Forest, Granger, IN (US);
Nabil Abu Gharbieh, Granger, IN (US);
Raymond J. Cipra, West Lafayette, IN (US);
Alan E. Fatz, Centerville, OH (US);
Thomas H. Siegmund, West Lafayette, IN (US);
Honeywell International Inc., Morris Township, NJ (US);
Abstract
Preform for carbon-carbon composite part () comprising multiple layers of fibrous mats () wherein each mat () comprises random carbon-containing fibrous matrix () having polymeric binder distributed therein and wherein adjacent mats () are bound together by additional polymer binder, stitching, and interlocking tabs. Also, method of manufacturing thick multi-layer composite preform, by: providing optionally reconfigurable tool including perforated screen through which vacuum can be drawn; delivering chopped fibers (b) to the tool while drawing vacuum therethrough to form fibrous object; delivering binder (c) to the fibrous object; melting or curing the binder (d) to make a fibrous mat (); assembling plurality of the fibrous mats () and additional binder into the shape of a preform (e); and heat-pressing the resulting mat assembly (f) into finished thick preform ().