Patent ID: 6332245
Filing Date: 2001-12-25
Classification: D01H

Abstract:
Apparatus of a spinning machine for drafting and subsequent condensing of a fiber strand, comprising:a drafting unit having a front roller pair, said front rolling pair including a front pressure roller,a condensing zone located downstream of the front roller pair,an air permeable transport belt for transporting the fiber strand through the condensing zone,a suction channel arranged at the condensing zone and having a sliding surface for guiding the transport belt,a suction slit arranged at the sliding surface,a nipping roller, which in use presses the fiber strand and the transport belt to the sliding surface at an end of the condensing zone,a top weighting arm of the drafting unit which supports the nipping roller, andweighting structure for the front pressure roller and the nipping roller including a respective pressure spring for each of the front pressure roller and the nipping roller.