CHARLES W SEMPLE
Engineering in Everett, MA
License number
Massachusetts 25503
Expiration Date
Jun 30, 1984
Type
Ceramic Engineer
Address
Address
Everett, MA 02149
Professional information
Transparent Ceramic Composite Armor
US Patent:
H15199, Mar 5, 1996
Filed:
Jan 24, 1966
Appl. No.:
4/522788
Inventors:
Charles W. Semple - Everett MA
Assignee:
The United States of America as represented by the Secretary of the Army - Washington DC
International Classification:
F41H 526
US Classification:
89 3602
Abstract:
Transparent ceramic armor consisting of a light weight composite formed by tilizing a face plate of transparent aluminum oxide or transparent magnesium oxide with a back-up plate of transparent plastic and the two plates bonded together with a transparent adhesive. This composite on test affords complete ballistic protection against 0. 30 AP M2 projectiles at 0. degree. obliquity with a muzzle velocity of 2770 ft. per sec.
Ceramic Armor
US Patent:
5456156, Oct 10, 1995
Filed:
Sep 14, 1965
Appl. No.:
4/491494
Inventors:
Charles W. Semple - Everett MA
Assignee:
The United States of America as represented by the Secretary of the Army - Washington DC
International Classification:
F41H 504
US Classification:
89 3602
Abstract:
A ceramic armor having a tough backup plate and metal reinforcement in the ceramic to minimize damage thereto as projectiles smash into the armor and are shattered.