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Publication of GB896028ApublicationCriticalpatent/GB896028A/en
896,028. Carding-engines. T.M.M. (RESEARCH) Ltd. Feb. 8, 1961 [Nov. 24, 1959], No. 39892/59 .Class 120(1) [Also in Group XXII] An undercasing grid for a carding engine has bars 13 of triangular section formed from the solid, e.g. by drawing or extrusion and secured by soldering or peening in holes or sockets 14 machined, e.g. punched, in the end plates 10 of the grid. The ends of the bars 13 are provided with non-circular spigots 131 and the holes 14 are correspondingly shaped to receive them.