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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Class 73/848 - To failure


Subclass of Class 73 - Measuring and testing
Definition: Subject matter where the torsional load is applied until
No. of patents: 6
Last issue date: 05/30/2000


NumberTitleIssue Date
6067860Circuit device integrity evaluation arrangement and method
According to one aspect of the disclosure, the present invention provides methods and arrangements for testing the integrity of laminate and solder adhesion strength in circuit devices. Methods include securely mounting one end of a circuit device, and af...
05/30/2000
5567884Circuit board assembly torsion tester and method
A torsion tester for circuit board assemblies (boards) clamps opposite edges of the board and cyclicly twists the board to provide substantially pure sheer stress in interconnection joints to SMT components for replicating failure modes due to thermal cyc...
10/22/1996
5447072Torsional tester for circuit cards
A torsional tester includes test stations for one or more circuit cards. In each test station, one end of the circuit card under test is held stationary while the opposite end is twisted in a card holder mounted to pivot about an axis, being alternately d...
09/05/1995
4476727Method of materials testing
A method of measuring a characteristic of a material in a structure is the subject of the present invention. A known stress relationship S=TC/J is utilized in practicing the method of the present invention. In the foregoing formula S=strength in p.s.i.; T...
10/16/1984
4425801Device and procedure for measuring in situ strength of concrete and the like
A device and procedure for measuring the strength of brittle material such as concrete in which a measurable torque is applied to a body member embedded in the material. The body member has a reacting surface which contacts a portion of the material to be...
01/17/1984
4248097Torsion shear apparatus
A torsion shear apparatus, especially for testing adhesives, in which two members of a test specimen bonded one into the other are subjected to a torsional load, comprising a rigid retainer for non-rotatable and form-locked retention of the first member o...
02/03/1981
 
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