No-hub couplings of metal for pipes; No-hub pipe couplings primarily of metal and elastomeric material; Clamps of metal and structural component parts thereof for sealing, bundling, and fastening a wide range of hoses, tubes, pipes, and fittings; Couplings of metal and structural component parts thereof for sealing, bundling, and fastening a wide range of hoses, tubes, pipes, and fittings; High compression metal band clamps and structural component parts thereof; Shield of metal specially adapted for pipe couplings for sealing, bundling, and fastening a wide range of hoses, tubes, pipes, and fittings