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Pultrusion process for producing long plastic composite strips for seating springs includes an additional continuous forming member passing through the die with the preform
Pultrusion process for producing long plastic composite strips for seating springs includes an additional continuous forming member passing through the die with the preform
An impregnated preform of fibers(17) and a thermosetting plastic matrix is drawn through a die(23) together with an additional long profile forming member(25) to produce a continuous profiled spring(10).
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