Patent ID: 6092286
Filing Date: 2000-07-25
Classification: D21D,Y10T

Abstract:
A method for the manufacture of screens featuring a plurality of screening holes comprising the following steps:providing screen strips with screening holes therethrough, said screen strips having form surfaces provided on length sides wherein the form surfaces are identical across their longitudinal expanse;providing at least two beams wherein each beam includes a side provided, at a specific interval, with recesses open toward this side;providing profile bars whose profile has on one side an assembly contour which essentially is complementary to the recesses in the beams and, additionally, each profile bar has a pair of opposite sides including grooves or protrusions which at least partly are complementary to the form surfaces of the screen strips;inserting the profile bars, parallel to one another, in the recesses in the beams;inserting the screen strips, parallel to one another, between the profile bars; anddeforming the beams into a final form, the inserted profile bars being positively clamped by the deformation.