The device of the seam to the embodiment of a hem blind on the pieces in the form of a flexible hose

摘要

P stitching device for carrying out a hem invisible on the pieces in the form of a flexible tube by folding and bending to be followed by a fixing and of a modification of the attachment of the edge in which the tension member 4 in the form of a guide roller, mounted after the machine at least 1 in the direction of the seam has two bearing surfaces 8, 9 of the edge has a flat of the piece, a groove 12 receiving and guiding the edge 4a of the workpiece. / p