ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,332, issued on Feb. 11, was assigned to NINGBO ROABY TECHNOLOGY INDUSTRIAL GROUP Co. LTD. (Ningbo, China).
"Device for high temperature fatigue test and method for high temperature fatigue test of resin concrete" was invented by Bin Xu (Ningbo, China), Su Xu (Ningbo, China) and Qi You (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for fatigue test includes a sample-laying part, a sample support, and a force-applying part. The sample-laying part is disposed on the sample support; and the force-applying part is disposed on the sample-laying part; the sample-laying part includes a substrate plate and at least two arms disposed o...