Abstract: The invention relates to elements for a carding machine, which maintain the desired surface shape during a specific production following a possible warm-up phase when producing card slivers while ensuring the same distance between the roller fittings and the opposite element across the entire operating width of the roller.

Abstract: An apparatus and method for guiding a broken thread end in a yarn spinning machine into a position in readiness for piecing wherein the broken thread end is retrieved from a bobbin, routed through a yarn spinning mechanism, guided into the nip of a pair of rollers of an operating drafting apparatus without abrasion of or interference with the yarn end during the guiding of the yarn end and wherein the yarn end is deposited in a position in the drafting apparatus such that the yarn end is controllably withdrawn from the drafting apparatus through the spinning mechanism and pieced or joined with a new sliver as the yarn end is withdrawn.

Abstract: Apparatus for reverse threading a yarn through a yarn-spinning device having a central yarn passage having an outlet end and a longitudinal axis, the apparatus comprising a nozzle for receiving a thread end, aligning with the yarn passage, and reversely blowing the thread end through the yarn passage, the nozzle including a longitudinal recess having an open end for receiving the thread end and a longitudinal cylindrical aperture communicating With the recess, the thread end being receivable through the open end of the recess into the cylindrical aperture, the cylindrical aperture having an axis, the apparatus further comprising a mechanism for moving the nozzle from a first yarn-receiving position to a second yarn-delivering position at the outlet end of the central yarn passage, the axis of the cylindrical aperture being aligned with the axis of the yarn passage when the nozzle is in the second position, the nozzle further comprising an air conduit connected at one end to a source of pressurized air and dis