US 7,584,689 B2
Transparent ceramic composite armor
Christopher D. Jones, Amherst, N.H. (US); Jeffrey B. Rioux, Bedford, N.H. (US); John W. Locher, Amherst, N.H. (US); Eric S. Carlson, Kunkletown, Pa. (US); Kathleen R. Farrell, Emmaus, Pa. (US); Brian C. Furchner, Fogelsville, Pa. (US); Vincent Pluen, Courtry (France); and Matthias Mandelartz, Herzogenrath (Germany)
Assigned to Saint-Gobain Ceramics & Plastics, Inc., Worcester, Mass. (US)
Filed on Jun. 09, 2006, as Appl. No. 11/423,210.
Claims priority of provisional application 60/689688, filed on Jun. 10, 2005.
Claims priority of provisional application 60/761814, filed on Jan. 25, 2006.
Prior Publication US 2007/0068376 A1, Mar. 29, 2007
Int. Cl. F41H 5/04 (2006.01)
U.S. Cl. 89—36.02 23 Claims
OG exemplary drawing
 
1. A composite transparent armor constructed and arranged to prevent the complete penetration of a 7.62 mm×51 M80 ball travelling at a velocity of 835 m/s, the armor comprising a glass sheet and a ceramic sheet, the ceramic sheet having an average thickness of greater than 3 mm and wherein the composite armor has an areal density of less than about 80 kg/m2.