Knitted fabric with flaps, and fiber product

The invention is a knitted fabric featuring small, pouch-shaped flaps. These flaps are designed to move when wet, altering the fabric's air permeability or appearance. This movement is achieved because the flaps are made from a specific type of fiber: a conjugate fiber combining polyester and polyamide components in a side-by-side or eccentric sheath-core arrangement. The claims narrow this to include false-twist crimped yarn, possibly within a low-torque composite yarn.

Why it matters: The specific conjugate fiber and complex knitting required were specialized in 2019. Advances in automated textile manufacturing and precision fiber extrusion since then may have reduced the cost or complexity of producing such responsive fabrics.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedConjugate fiber manufacturing, specialized textile engineering

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