Briefly, such fabrics are foraminous structures wherein groups of fibers have been rearranged from a non-woven starting web to positions surrounding less dense fabric portions by passage of fluid through the starting material. The fibers within the groupings are interlocked and may be arranged in...
rearranged in the form a n k 2 J n ′ ′ ( k a ) + ν k a J n ′ ( k a ) − n 2 ν a 2 J n ( k a ) + b n k 2 I n ′ ′ ( k a ) + ν k a I n ′ ( k a ) − n 2 ν a 2 I n ( k a ) + ∑ m = 1 ∞ ρ f ω 2 α m n ρ ...