3 a 3 b 3 c cylinder 4 doffer 5 stripping roller 6 squeezing rollers 7 8 web deflector 9 web funnel 10 take off rollers 11 12 revolving flat 13 with flat guide rollers 13 a 13 b and flat bars 14 can 15 and can coiler 16 the directions of rotation of the rollers are shown by respective curved arrows the letter m denotes the midpoint axis of the cylinder 4 the reference numeral 4 a denotes the clothing and 4 b denotes the direction of rotation of the cylinder 4 the arrow a denotes the working direction the curved arrows drawn in the rollers denote the directions of rotation of the rollers the cylinder 4 has a surface speed for example of 35 m sec fig2 shows a first embodiment of the invention suitable for use in for example the card of fig1 on each side of the card an approximately semi circular rigid side plate 18 is secured laterally to the machine frame not shown cast concentrically onto its outer side in the region of the periphery thereof there is a curved rigid bearing element 19 which has a convex outer surface 19 a as its support surface and an underside.