Die for producing very wide, flat, plastic-based structures
A plastic-based, mold-based technology, used in the field of forming a three-dimensional plastic-based structure and equipment including the mold, and the mold field for preparing a thermoplastic polymer-based structure
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[0045] In the particular embodiment of the mold shown in the figures, the base 1 of the flat mold has an upstream edge 2 through which the molten plastic arrives through an inlet channel (not shown) and passes through the mold. The four orifices 3 and enter. Molten plastic is discharged through the downstream edge 4 . The upper part of the base 1 defines a flow plane (P) (only shown in FIG. 1 a ) in which a web of generally flat plastic flows within the mold 1 in a flow direction (E) (only shown in FIG. 1 a ).
[0046] The flat die shown comprises four grooves 5 for supplying molten plastic, which are placed parallel and equidistant from each other and in a flow plane (P) parallel to the flow direction (E) extend. Each feed trough 5 comprises a downstream orifice 6 for discharging the plastic into a distribution channel 7 in a direction (E) for distribution approximately perpendicular (considering its meandering shape) to the direction of flow (E). In the longitudinal direc...
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