Ballistic spall liner

Details Ballistic spall liner Ballistic spall liner

1986-04-21

1987-05-12

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

89 3601, 428252, 428285, 428911, B32B 312

Patent

active

046649670

ABSTRACT:
A lightweight, economical, add-on armor plate, ballistic spall liner, installable on the inner surfaces of unprotected vehicles, structures, or other craft. The spall liner provides additional protection to vehicle occupants and internal equipment from the risk of injury or damage due to flying metallic debris, "spall", caused by ballistic damage to the vehicles or the structure's interior when a munitions-type projectile penetrates a wall. The spall liner is a laminate made from layers of high tensile strength, woven fabric such as polyaramid fabric or ballistic nylon which are bonded together with at least one reinforcing layer of martensite sheet steel interposed between the woven fabric layers. The spall liner controls the spall generated by the penetration of a munitions-type projectile by dissipating the projectile's force, framentizing the projectile, and trapping the fragments in the spall liner's interior.

REFERENCES:
patent: 2562951 (1951-08-01), Rose et al.
patent: 2697054 (1954-12-01), Dietz et al.
patent: 3575786 (1971-04-01), Baker et al.
patent: 4404889 (1983-09-01), Miguel
patent: 4529640 (1985-07-01), Brown
3M Co., Product Specification 4693 Plastic Adhesive, Mar. 1, 1969, revised ul. 1, 1983.

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