DEVICE FOR JOINING ENDS OF CONVEYOR BELT AND METHOD FOR MAKIN SAME Russian patent published in 1995 - IPC

FIELD: machine building. SUBSTANCE: device to join ends of conveyor belt has, preferentially, a number of u-shaped metallic brackets with hinges and holes, made in bent part of the brackets between hinges. Two adjoining metal strips being one part with a proper bracket are located on internal surface of any hinge. Method for making the above device includes forming metal strip as a workpiece, making beads around the holes being normal about axes of the holes, bending the workpiece to turn the surface with the beads inward the row of, preferentially, U-shaped brackets with hinges. Operations of punching, flanging, and expansion are carried out by successive stamping in strip. EFFECT: increased life at the expense of increased strength and resistance to wear of the hinges. 3 cl, 5 dwg