by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose

Devices or appurtenances for use in, or in connection with, pipes or pipe systems > Devices for covering leaks in pipes or hoses, e.g. hose-menders > from outside the pipe > by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose

Devices or appurtenances for use in, or in connection with, pipes or pipe systems (F16L1/00 - F16L53/00, F16L57/00, F16L59/00 take precedence; repairing or joining pipes on or under water F16L1/26; cleaning of pipes B08B9/02, e.g. removal of blockages B08B9/027; devices for preventing bursting of water pipes by freezing E03B7/10) > Devices for covering leaks in pipes or hoses, e.g. hose-menders > from outside the pipe (specially adapted for bends, branch units, branching pipes, or the like F16L55/179) > by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose