A process for the preparation of a railway sleeper with an overload protection which is arranged in the interior of the railway sleeper and railway sleeper

摘要

A process for the preparation of a railway sleeper (1; 13; 16) made of plastic - recycled plastics material with a in the interior of the railway sleeper (1; 13; 16) arranged overload safety device (2; 17),characterized in thatin a first step in an intrusion the form of at least one overload safety device (2; 17) in the interior of the railway sleeper (1; 13; 16) is arranged,consisting of at least one element, in at least one of the axes of the railway sleeper (1; 13; 16) can act,the element being a cord, a node cord, a cable, a network, a textile fabric, a chain, reinforcement steel, or a spindle is, wherein the element in the region of its ends (3; 4) a thickened region, a node (5; 6), a loop, a knob, a bending or a thread has,subsequently the intrusion the form of closed and is connected with a filling,then the form via a pressure intrusion method is filled and upon reaching the maximum degree of filling is closed and is removed from the filling device,in the following is a cooling cycle and, after cooling, is removed from the mold.