Apparatus for the manufacture of synthetic threads

Claim 1

A FILAMENT SPINNING APPARATUS WHICH COMPRISES AT LEAST ONE SPINNERET PROVIDED WITH A PLURALITY OF ORIFICES FOR SPINNING A BUNDLE OF FILAMENTS, A COOLING CHAMBER POSITIONED TO AT LEAST PARTIALLY SURROUNDING SAID FILAMENT BUNDLE BEING SPUN BY SAID SPINNERET, SAID COOLING CHAMBER HAVING A FRONT WALL AND TWO SIDE WALLS, SAID FRONT WALL EXTENDING ESSENTIALLY PARLLEL TO THE PATH OF TRAVEL OF FILAMENTS IN SAID FILAMENT BUNDLE AND BEING PROVIDED OVER ITS ENTIRE SURFACE WITH OPENINGS FOR PASSAGE OF AIR THROUGH SAME, SAID SIDE WALLS BEING POSITIONED ESSENTIALLY PARALLEL TO SAID FILAMENT PATH OF TRAVEL AND BEING ESSENTIALLY PERPENDICULAR TO SAID FRONT WALL, MEANS FOR SUPPLYING AIR COMMUNICATING WITH SAID FRONT WALL OF SAID COOLING CHAMBER, AND AT LEAST TWO RESISTANCE MEMBERS ON OPPOSITE SIDES OF SAID FILAMENT BUNDLE ADAPTED FOR MOVEMENT RELATIVE THERETO, EACH RESISTANCE MEMBER EXTENDING N A DIRECTION PARALLEL TO SAID FILAMENT PATH OF TRAVEL AND BEING ADAPTED TO BE FIXEDLY POSITIONED WITHIN SAID COOLING CHAMBER ON A LINE BETWEEN SAID SIDE WALLS AND SAID FILAMENT BUNDLE AT A DISTANCE FROM THE PATH OF TRAVEL OF THE FILAMENT IN SAID FILAMENT BUNDLE NEAREST THERETO OF AT MOST FIVE TIMES THE SMALLEST DISTANCE BETWEEN ADJACENT ORIFICES IN SAID SPINNERET.