DIAMETER ENLARGED BAND AND DIAMETER ENLARGING JIG FOR DIAMETER ENLARGED BAND

摘要

PROBLEM TO BE SOLVED: To provide a diameter enlarged band assuring a mounted condition with simple work and a diameter enlarging jig for the diameter enlarged band allowing easy diameter enlargement of the diameter enlarged band. SOLUTION: The diameter enlarged band comprises a recessed portion and a protruded portion formed at both ends thereof, meshing each other. Blocks having bolt insertion holes are installed on the inner face sides at the ends of both recessed and protruded portions, respectively. The diameter enlarging jig for the diameter enlarged band comprises a pair of tightening members for contacting the opposed faces of both blocks and a tightening bolt and a tightening nut for making one tightening member close to the other.