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As 7 Melhores Jovem Pan. CD, Compilation - Paradoxx Music.The present invention is related to a process for manufacturing a three-dimensional plastic part, having a laminar structure, formed as a stack comprising a plurality of stacked layers by an axial extrusion process.
Through said extrusion process, a laminar material that expands both in a length and in a diameter direction is produced, wherein the material is formed as a stack comprising a plurality of stacked layers by axial extrusion. Said layers are stacked along a stacking plane running in the length direction of said layer, i.e. axially to form the stack.
In particular, said laminar structure is formed as a stack comprising a plurality of layers stacked on each other which comprises at least one layer with continuous wall portions.
Such structures are used for the manufacture of small plastic parts, in particular for components of tire building machines.
It is already known to manufacture small plastic parts with complex structures by means of a two-stage process. First of all, a symmetrical structure is manufactured, the final shape of which requires no further finishing steps. The internal wall surfaces of said symmetrical structure are finished by means of calendering and/or sanding processes. The finished symmetrical structure is then placed in a suitable mould and is filled with a molten plastic material. The molten plastic material is then allowed to harden. Thereafter, the finished symmetrical structure is removed from said mould. Finally, the symmetrical structure is subjected to further finishing steps such as sanding of the wall surfaces.
It is also already known to manufacture plastic parts with complex structures by means of a one-stage process. Such a process comprises the following steps: first of all, a symmetrical structure is manufactured by means of an extrusion process. Said symmetrical structure is placed in a suitable mould and is then filled 0b46394aab