Reinforcement sleeve, also known as reinforced joints: used to connect the steel and corresponding to the thread head thread connections. On rebar stripping rib rolling straight thread connecting a new type of rebar connection sleeve technology and its structure principle is will be end parts of the connected steel bars of longitudinal ribs and transverse rib cutting method of pulling off a part of, and direct rolling into ordinary straight thread after that special straight thread steel bar connecting sleeve connected with, the formation of reinforced connection.