US Patent Issued to HYUNDAI MOTOR, KIA on Jan. 28 for "Method of drawing an axial tube made of aluminum material and a cowl cross bar manufactured using same" (South Korean Inventor)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,432, issued on Jan. 28, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea) and KIA Corp. (Seoul, South Korea).

"Method of drawing an axial tube made of aluminum material and a cowl cross bar manufactured using same" was invented by Chang-Yeol Yoo (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of drawing an axial tube made of an aluminum (Al) material for a cowl cross bar includes performing NaOH etching on an extruded pipe having a single diameter and made of an Al alloy and performing high frequency heat treatment on the extruded pipe to increase a tube reduction ratio of the extruded pipe. The cowl cross bar...