A fluid diversion apparatus (10) comprising a structure (12) for sealing an interior surface (13) of a pipe (14), so as to stop residual water within the pipe (14) from reaching a distal free end (16) of the pipe (14). An assembly (18) is for inserting the sealing structure (12) within the pipe (14)....http://www.google.es/patents/US5651393?utm_source=gb-gplus-sharePatente US5651393 - Fluid diversion apparatus
