US Patent Issued to North Thin Ply Technology on June 3 for "Fibre-reinforced composite tubular shafts and manufacture thereof" (Swiss Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,014, issued on June 3, was assigned to North Thin Ply Technology Sarl (Renens, Switzerland).

"Fibre-reinforced composite tubular shafts and manufacture thereof" was invented by Xavier Lepercq (Renens, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elongate tubular shaft body having a stack of wrapped layers of fibrous reinforcement in a resin matrix, a portion of the stack of wrapped layers circumferentially surrounding a first surface part of a fibrous layer has a non-constant width which varies non-linearly with a change in radius of an inner elongate circumferential surface in the portion, and wherein the fibrous reinforcement has f...