3641638 is referenced by 12 patents and cites 5 patents.

A method of making a nonwoven fibrous felt ballistic armor material having mproved ballistic resistance comprising forming a batt of staple fibers, layering a plurality of the batts to form a laminar sheet, needling the laminar sheet once only in a substantially nonrepeating pattern by barbed needles penetrating the sheet in a direction substantially normal to the plane of the sheet to form a nonwoven fibrous felt, pressing the nonwoven fibrous felt to reduce its thickness, and layering a plurality of the nonwoven fibrous felts to form the nonwoven fibrous felt ballistic armor material.

Title
Nonwoven fibrous felt ballistic armor material
Application Number
05/026,437
Publication Number
3641638
Application Date
April 7, 1970
Publication Date
February 15, 1972
Inventor
Laible Roy C
Assignee
The United States of America represented by the Secretary of the Army
IPC
D04h 18/00
D04H 01/46
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