US Patent Issued to De Zhang on July 1 for "Quick removal tooling for valve core" (Chinese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,850, issued on July 1, was assigned to De Zhang (Rui'An, China).

"Quick removal tooling for valve core" was invented by De Zhang (Zhejiang, China) and Hongwei Wang (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a quick removal tooling for a valve core, including a clamping sleeve, a rotary cap, a nut and a capped screw rod, where a first end portion of the clamping sleeve is provided with a clamping protrusion clamped with a valve body and an avoidance groove; a second end portion of the clamping sleeve is in sleeved connection with a first end portion of the rotary cap; the nut is fixed at a central hole of the rotary c...