IP Library Granted Patent US 8,212,194
Granted Patent B2
US 8,212,194 · App. 12/508,777 · Granted Jul 3, 2012

Aerospace articles made from quasi-isotropic chopped prepreg

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Quick Facts
Patent No.
US 8,212,194
App. No.
12/508,777
Granted
Jul 3, 2012
Kind
B2
Abstract

Quasi-isotropic chopped prepreg is used to make parts found in aerospace vehicles. Exemplary aerospace parts that are made using quasi-isotropic chopped prepreg include aircraft window frames, wing fairing supports, flange supports, frame gussets, rudder actuator brackets, shear ties, seat pedestals, cargo floor flange supports, storage bin fittings, antenna supports, torque tube pans, handle boxes, side guide fittings, wing box covers and intercostals.

Claims (11)

1. An assembly comprising:

a first aerospace part;

a composite aerospace part connected to said first aerospace part wherein said composite aerospace part comprises cured quasi-isotropic chopped prepreg and wherein said composite aerospace part comprises a plurality of surfaces defining holes through said composite aerospace part.

2. An assembly according to claim 1 wherein said composite aerospace part is an aircraft window frame.

3. An aerospace vehicle comprising an assembly according to claim 1 .

4. An aerospace vehicle according to claim 3 wherein said aerospace vehicle is an aircraft.

5. An aerospace vehicle according to claim 3 wherein said composite aerospace part is an aerospace window frame.

6. An aerospace vehicle according to claim 4 wherein said composite aerospace part is an aircraft window frame.

7. An assembly according to claim 1 wherein said cured quasi-isotropic chopped prepreg comprises a resin selected from the group consisting of epoxy, phenolic, bismaleimide and cyanates.

8. An assembly according to claim 1 wherein said cured quasi-isotropic chopped prepreg comprises fibers selected from the group consisting of carbon, glass, aramid and polyethylene.

9. An assembly according to claim 1 wherein said cured quasi-isotropic chopped prepreg comprises epoxy resin and carbon fibers.

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Oct 2, 2014
From: CITIZENS BANK, NATIONAL ASSOCIATION
To: HEXCEL CORPORATION; HEXCEL HOLDINGS LUXEMBOURG S.À.R.L.
Reel/Frame 033887/0199 →
TERMINATION OF SECURITY INTEREST IN PATENTS Recorded Sep 24, 2014
From: CITIZENS BANK, NATIONAL ASSOCIATION (F/K/A RBS CITIZENS, N.A.)
To: HEXCEL CORPORATION
Reel/Frame 033813/0565 →
RELEASE OF SECURITY INTEREST Recorded Sep 3, 2013
From: BANK OF AMERICA, N.A.
To: HEXCEL CORPORATION
Reel/Frame 031140/0729 →
SECURITY AGREEMENT Recorded Jul 1, 2013
From: HEXCEL CORPORATION; HEXCEL HOLDINGS LUXEMBOURG S.A.R.L.
To: RBS CITIZENS, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 030724/0287 →
SECURITY AGREEMENT Recorded Aug 20, 2010
From: HEXCEL CORPORATION
To: BANK OF AMERICA, N.A.
Reel/Frame 024864/0016 →
GRANT OF PATENT SECURITY INTEREST (IP SUPPLEMENT NO. 1 TO 5/21/2009 SECURITY AGREEMENT) Recorded Oct 22, 2009
From: HEXCEL CORPORATION
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT
Reel/Frame 023412/0392 →