Device for lateral Folds in Tubula res sheets of plastic material with flat plates, arranged in Cradle

摘要

Device for lateral Folds in tubular Plastic sheets with flat plates arranged in a Wedge.Namely: to provide elements of Exploration (62) for determining the position of the Folding edges (60, 61) outside of the lateral Folds of the flattened tubular sheet; and Folding to assemble Elements (20, 21, 40) with a shape of isosceles Triangles, visible in the front ends The Elements of Exploration (62) in the direction of the tubular Sheet,While the rear ends are provided with positioning Devices, which are transversely to the direction of adjustment of the depth of the lateral Folds.