Distribution of viscous liquid substances in pipes

Claim 1

IN A PROCESS FOR MELT SPINNING SYNTHETIC POLYMERIC MATERIAL, SAID PROCESS BEING OF THE TYPE INCLUDING PROVIDING VISCOUS LIQUID SYNTHETIC POLYMERIC MATERIALUNDER PRESSURE FROM A SOURCE THEREOF TO THE INLET OF A PIPE, PROVIDING A SUCCESSION OF STATIONS ALONG THE PIPE, PROVIDING A SUCCESSION OF SPINNING POSITIONS WITH AT LEAST ONE POSITION CORRESPONDING TO EACH STATION ALONG THE PIPE, PROVIDING ONE OF THE LAST POSITIONS IN THE SUCCESSION CORRESPONDING TO THE END OF THE PIPE, COLLECTING AT EACH STATION A OUTER ANNULAR PORTION OF THE LIQUID MATERIAL APPROACHING THE STATION, CONDUCTING THE COLLECTED PORTION TO EACH SPINNING POSITION ASSOCIATED THEREWITH IN THE AMOUNT REQUIRED BY THE SPINNING POSIITON AND CONDUCTING LIQUID MATERIALFROM THE DOWNSTREAM END OF THE PIPE TO EACH SPINNING POSITION ASSOCIATED THEREWITH IN THE AMOUNT REQUIRED BY THE SPINNING POSITION, THE IMPROVEMENT WHICH COMPRISES RECEIVING THE CONDUCTED LIQUID MATERIAL INTO A METER PUMP AT EACH SPINING POSIITON, PUMPING THE RECEIVED LIQUID MATERIAL TO A SPINNING HEAD ASSOCIATED WITH THE SPINNING POSITION, SAID PUMPING OPERATION DELIVERING LIQUID MATERAIL TO ALL OF THE SPINNING HEADS AT THE SAME FLOW RATE AND ESTABLISHING SUBSTANTIALY EQUALITY OF RESIDENCE TIMES OF THE LIQUID MATERIAL TRABELLING FROM THE INLET OF THE PIPE TO EACH SPINNING POSITION SOLELY BY SELECTION OF THE DIMENSIONS OF THE PIPE ALONG ITS LENGTH.