Paul R Nelson

US Patent:

7137182, Nov 21, 2006

Filed:

Nov 22, 2002

Appl. No.:

10/301949

Inventors:

Paul E. Nelson - University Place WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B21D 39/03

US Classification:

29428, 29458, 29819, 156253, 156269, 156302, 156433, 156574, 156361, 425375

Abstract:

A device for fabricating a composite article having a plurality of material dispensers to increase productivity. The device includes a structure defining a work surface datum, the plurality of material dispensers which are movable relative to the structure, where each of the material dispensers applies a strip material to the work surface datum along a predetermined axis, and wherein each of said predetermined axes are parallel to one another and where the strip material as applied to the work surface datum forms a layer. A method for fabricating a composite in accordance with the present invention is also provided.

US Patent:

8118959, Feb 21, 2012

Filed:

Jun 27, 2007

Appl. No.:

11/769082

Inventors:

Paul E. Nelson - University Place WA, US
Peter D. McCowin - Enumclaw WA, US
Worm Lund - Bellevue WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B32B 37/10

US Classification:

156220, 156285, 264544, 264552, 264553, 264571

Abstract:

A forming tool and method for its use with flat pre-preg composite laminate assemblies which incorporates a mandrel segmented into multiple forming blocks, the forming blocks sized to receive a draped composite laminate assembly with all portions of the composite laminate assembly spaced from a shaping surface on each block. A spline plate engages the shaping surface of the forming blocks to provide a neutral axis for maintaining the entire composite laminate assembly in tension during forming. In the exemplary embodiments, the draped composite laminate assembly is formed to the forming blocks from the flat composite laminate assembly and maintained in contact with the forming blocks using a vacuum bag. The mandrel forming blocks are then displaced to a desired curvature on the spline plate.

US Patent:

8336596, Dec 25, 2012

Filed:

Mar 2, 2006

Appl. No.:

11/366156

Inventors:

Paul E. Nelson - University Place WA, US
Matthew K. Lum - Mercer Island WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B65B 51/06
B29C 65/00
B32B 37/00
B32B 38/04
B32B 38/10
B44C 7/00
E04D 15/00

US Classification:

156574, 156486, 156523

Abstract:

Aspects of the present disclosure include various exemplary embodiments of systems and methods relating to composite lamination using one or more arrays of parallel material dispensing heads. In one embodiment, a method of fabricating a high aspect ratio composite article generally includes applying a first strip material to a work surface datum at a first angle with a first material dispenser, and applying a plurality of second strip materials to a work surface datum each at a second angle with a plurality of rotatable parallel material dispensers. The method also includes advancing the first material dispenser and the rotatable parallel material dispensers as a unit the width of the second strip material and continuing application of the first strip material by the first material dispenser and a plurality of second strip materials by the rotatable parallel material dispensers until a desired length is reached.

US Patent:

8578995, Nov 12, 2013

Filed:

Oct 6, 2005

Appl. No.:

11/245307

Inventors:

Paul E. Nelson - University Place WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B29C 70/38

US Classification:

156433, 156265, 156523

Abstract:

The present invention relates to device and methods for fabricating a composite article having a plurality of material dispensers, which can increase productivity. In one embodiment, a device includes a structure defining a work surface datum, and material dispensers movable relative to the structure. Each material dispenser applies strip material to the work surface datum along a predetermined axis. The predetermined axes are generally parallel to one another. The strip material applied to the work surface datum forms a layer of the composite article.

US Patent:

8590834, Nov 26, 2013

Filed:

Nov 14, 2011

Appl. No.:

13/295187

Inventors:

Paul E. Nelson - University Place WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B64C 3/50

US Classification:

244 993, 244215

Abstract:

An aircraft control surface actuation system including a wing member and an aircraft control surface hingedly connected to the wing member along a pivot axis, wherein the aircraft control surface is configured to axially move along the pivot axis when the aircraft control surface pivots relative to the wing member about the pivot axis.

US Patent:

20070289700, Dec 20, 2007

Filed:

Jun 19, 2006

Appl. No.:

11/455609

Inventors:

Paul E. Nelson - University Place WA, US

International Classification:

B65H 81/00

US Classification:

156193, 156443

Abstract:

The invention is directed to a method and apparatus for preferably producing a two layer off-axis composite prepreg material in tape form that has fiber direction at angles such as plus or minus five degrees to the longitudinal direction of the backing paper. The use of such off-axis prepreg composite material tape is primarily for fabricating high length-to-width ration parts such as composite wing stringers or spars for aircraft.

US Patent:

20110041988, Feb 24, 2011

Filed:

Oct 28, 2010

Appl. No.:

12/914592

Inventors:

Paul E. Nelson - University Place WA, US

Assignee:

THE BOEING COMPANY - Chicago IL

International Classification:

B32B 37/28
B65H 81/00

US Classification:

156192, 156516

Abstract:

The embodiments are directed to a method and apparatus for preferably producing a two layer off-axis composite prepreg material in tape form that has fiber direction at angles such as plus or minus five degrees to the longitudinal direction of the backing paper. The use of such off-axis prepreg composite material tape is primarily for fabricating high length-to-width ration parts such as composite wing stringers or spars for aircraft.

US Patent:

20110110612, May 12, 2011

Filed:

Nov 12, 2009

Appl. No.:

12/617056

Inventors:

Paul E. Nelson - University Place WA, US

International Classification:

B65D 33/16
B31B 19/00
B31B 1/00

US Classification:

383 42, 493186, 493267

Abstract:

A micropleated vacuum bag includes a bag sheet, at least one seal ribbon carried by the bag sheet and a plurality of micropleats extending into the bag sheet and the at least one seal ribbon.