by particle scrap or other forms of material e g for recycling or recovery hereafter improvement features according to the invention to be applied to the continuous extrusion apparatus just described will be dealt with with reference to fig3 8 referring firstly to fig3 5 an assembled die means or assembly 11 includes a die body 12 which corresponds to at least a part of the insert member 6 of fig1 and 2 and which is carried releasably and replaceably in a recess in a shoe member not shown but corresponding to the recess 5 and shoe member 4 of fig1 and 2 of a continuous extrusion apparatus of the type shown in fig1 and 2 it will be appreciated however that the die means assembly shown in fig3 would be positioned so that the lower portion as shown in fig3 would be engaged in the recess 5 in the shoe member 4 with the upper portion projecting therefrom in the direction of the wheel axis the die body 12 has an aperture 13 and a slot 14 extending laterally therefrom and in which is accommodated a replaceable abutment member 15 which corresponds to the abutment member 7 of the apparatus shown in fig1 and 2 the slot 14 terminates in an end with which a rounded side of the abutment member 15 engages see fig5 the base of the slot 14 has a drilling 17 which registers with a blind hole 18 in the abutment member 15 provided either for.