Patent ID: 6241502
Filing Date: 2001-06-05
Classification: B29C

Abstract:
Take-off equipment for tubular sheets of plastic produced by an extruder with a stationary blowing head and wherein a collapsing device collapses the tubular sheet and conveying equipment transports the collapsed tubular sheet to wind-up equipment comprising:reversing apparatus disposed between the collapsing device and the conveying equipment, said reversing apparatus including deflection rollers and turning bars;a rotatably supported bridge;turntables on said bridge, said turntables having a common vertical axis and being vertically spaced from one another;said deflection rollers being mounted on said bridge;holding devices holding said turning bars on some of said turntables;frame mounting one of said turntables;each of said turntables having an inner ring and an outer ring;said inner rings being supported on said bridge; anda device mechanism mounted on said bridge and engageable with the outer rings of said turntables to effect relative rotation of said turntables and said frame to thereby swivel said deflection rollers and said turning bars relative to one another about said common axis;wherein said bridge includes horizontal upper and lower bridge legs which support the inner rings of said turntables.