Joseph J Salehi

US Patent:

6514593, Feb 4, 2003

Filed:

Aug 23, 1999

Appl. No.:

09/378906

Inventors:

Steven R. Jones - Newberry Park CA
Howard A. King - Rancho Palos Verdes CA
Joseph T. Salehi - Westlake Village CA
John P. Kern - Redondo Beach CA
George Rodgers - Redondo Beach CA

Assignee:

Northrop Grumman Corporation - Los Angeles CA

International Classification:

B32B 306

US Classification:

428100, 428367, 411 82, 411 821, 411500, 411504

Abstract:

A pin for Z-pinning at least two composite material layers to each other which comprises generally circular first and second ends of first and second diameters, respectively. Extending between the first and second ends is a central portion defining at least two radially extending flange sections which are each of a diameter exceeding the larger of the first and second diameters. In an alternative embodiment, the pin comprises generally circular first and second ends which are of first and second diameters, respectively. Extending between the first and second ends in the second embodiment is a central portion defining a generally hyperboloidal outer surface having a maximum diameter which does not exceed the smaller of the first and second diameters.