Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-12-09
1987-03-17
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428260, 428253, 428280, 428289, 428290, 428492, 428911, B32B 700
Patent
active
046507108
ABSTRACT:
The present invention provides an improved fabric which comprises at least one network of fibers selected from the group consisting of extended chain polyethylene (ECPE) extended chain polypropylene (ECPP) fibers, extended chain polyvinyl alcohol fibers and extended chain polyacrylonitrile fibers. A low modulus elastomeric material, which has a tensile modulus of less than about 6,000 psi, measured at about 23.degree. C., substantially coats the fibers of the network. Preferably, the fibers have a tensile modulus of at least about 500 grams/denier and an energy-to-break of at least about 22 Joules/gram.
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patent: 4457985 (1984-07-01), Harpell et al.
patent: 4501856 (1985-02-01), Harpell et al.
"The Application of High Modulus Fibers to Ballistic Protection", R. C. Laible et al, J. Macromel Sci. Chem. A7(1), pp. 295-322, (1973).
J. W. S. Hearle et al., "Ballistic Impact Resistance of Multi-Layer Textile Fabrics", NTIS Acquisition No. AD A127641, (1981).
W. Stein, "Construction and Action of Bullet Resistant Vests", Melli and Textilberichte, 6/1981.
R. C. Laible, "Fibrous Armor", Ballistic Materials and Penetration Mechanics, Elsevier Scientific Publishing Co., (1980), p. 81.
Harpell Gary A.
Kavesh Sheldon
Palley Igor
Prevorsek Dusan C.
Allied Corporation
Bell James J.
Fuchs Gerhard H,.
Hampilos Gus T.
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