US Patent Issued to NINGBO PUREY FLOW TECHNOLOGY on Dec. 2 for "Press-fitting connection structure for pipeline and refrigeration device" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,927, issued on Dec. 2, was assigned to NINGBO PUREY FLOW TECHNOLOGY Co. LTD. (Ningbo, China).

"Press-fitting connection structure for pipeline and refrigeration device" was invented by Qihao Zhang (Zhejiang, China) and Jihong Zhang (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A press-fitting connection structure for pipeline defines a first mounting groove for accommodating a retaining ring and a second mounting groove for accommodating a sealing ring, making the retaining ring and sealing ring be respectively mounted in different grooves and not easily to move. The first and second mounting grooves are spaced apart, so that the re...