curable casting compound 29 1 29 2 is able to compensate for different distances between the card flat bar 14 namely the heel face 14 c and the card flat clothing 19 namely the envelope of the free tips the fixing regions of the steel pins 14 1 14 2 that form the card flat head 14 u2032 are arranged in respective openings 281 282 see fig4 a the sliding contact region of the steel pins 14 1 14 2 extends beyond the end face see fig5 to 7 in the embodiment of fig4 a and 4 b the openings 28 1 28 2 in the card flat bar are of hollow cylindrical construction the outer diameter d 1 of the pins l 4 1 14 2 is smaller than the inner diameter d 2 of the fixing openings 28 1 28 2 between the fixing region i see fig5 of the card flat pins 14 1 14 2 and the openings 28 1 28 2 there is a distance m clearance i e d 2 d 1 m according to fig4 a the pins 14 1 14 2 are inserted in the openings 28 1 28 2 with their fastening region i see fig5 to 7 according to fig4 b a curable casting compound hardened 29 1 29 2 is present in the bores 28 1 28 2 respectively the pins 14 1 14 2 in fig4 b are shown in end positions referring to fig5 and 6 the card flat pin 14 2 is arranged with its fixing region i in the opening 28 2 and the sliding contact region k u2014 the free end u2014 is located.