Method for mounting branch pipe on main gas pipe comprises fitting saddle over area where branch pipe is to be fitted, piercing main pipe through saddle, introducing branch pipe and fitting sealing sleeve over branch pipe and area around it

摘要

The method for mounting a branch pipe (3) on a main pipe (1) comprises fitting a saddle (9) over the area where the branch pipe is to be fitted. The main pipe is then pierced through the saddle and the branch pipe introduced through the bore produced. A sealing sleeve is then fitted over the branch pipe and area around it. An Independent claim is included for a device for carrying out the method.