US Patent Issued to YKK on July 29 for "Waterproof fastener stringer and method of producing the same" (British, Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,694, issued on July 29, was assigned to YKK Corp. (Tokyo).

"Waterproof fastener stringer and method of producing the same" was invented by Yuki Sakagami (Toyama, Japan), Mineto Terada (Toyama, Japan), Nariaki Yamamoto (Toyama, Japan), Steven Thomas (Cheshire, Great Britain) and Mark Brady (Cheshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Through-holes are formed at a constant pitch along a side-edge portion of a fastener tape where a tape base fabric is covered by a waterproof layer, the through-holes piercing the fastener tape. Plasma treatment or corona treatment is applied to the side-edge portion of the fastener tape so as ...