Means to repair gas leaks in a pipe section when in service

摘要

Means to repair gas leaks in a pipe section when in service, in which a joint between pipes 4 is located; an impermeable textile strip 2 is used, equipped with a purge valve 12 for the discharge of air and gas and a column pressure gauge 14 which indicates the pressure existing within the enveloping moulding 6 during and after the final process of pressurising the mould. <IMAGE>