Patent ID: 6105478
Filing Date: 2000-08-22
Classification: B65H,Y10S,Y10T

Abstract:
An apparatus for preparing and opening a narrow roll of a strip of a supple material wound in superimposed spiral layers and having a width, lower layers, and a top layer, said top layer having a surface and a free end which is attached to the layer directly beneath said top layer, said roll being mounted on a support shaft and having two parallel sides, said apparatus comprisinga flat blade attached to a support, said flat blade having an upper surface and a lower surface,a support transfer device which transfers the support and flat blade to an extended position completely intersecting the width of the roll or to a retracted position not intersecting the width of the roll,a compression device comprising a pressing arm having a surface directed toward a portion of the surface of the top layer,a cutting device comprising a cutting blade arranged to travel in a reciprocating movement over the entire width of the roll and creating a cut in said top layer, said cut having a depth being limited by the flat blade serving as a protective shield for the lower layers,a clamp for clamping said top layer between said clamp and said flat blade, anda positioning device which moves the flat blade, the support, the support transfer device, the compression device, the cutting device, and the clamp such that the flat blade is brought into contact with the top layer.