US Patent Issued to EBAA IRON on May 12 for "Mechanical joint restraint with wedge assemblies including collar bolts" (Texas Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,780, issued on May 12, was assigned to EBAA IRON INC. (Eastland, Texas).

"Mechanical joint restraint with wedge assemblies including collar bolts" was invented by Michael L. Lundstrom (Eastland, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A joint restraint assembly for a pipe, the joint restraint assembly including an annular body, and a wedge assembly received within an opening of a wedge housing of the annular body. The wedge assembly includes a bolt including a flange, and a low-friction material positioned between the flange and an interior surface of the wedge housing, which low-friction material is adapted to slidably engage the interi...