Radial press for workpieces having a cylindrical exterior surface

A radial press for workpiece of cylindrical outer surface, especially for the fastening of fittings individually comprising a sleeve and nipple to hoses by mechanical deformation of the sleeve against a hose situated between the nipple and sleeve, comprising;

• toggle levers movable in a radial plane and having inner and outer ends;
• a press casing comprising at least two portions having radial guides and guide bodies for a plurality of dies disposed about the axis of the outer surface of the workpiece, each of said portions having an inner pivot for the inner end of each toggle lever;
• at least one compression ring portion guided concentrically with said axis, said compression ring portion having outer pivots for said outer ends of said toggle levers;
• and
• a drive for the synchronous movement of all dies through the relative rotation of said outer pivots with respect to said inner pivots;
• said casing portions being disposed on both sides of said compression ring portion and individually having circumferential rims overlapping said compression ring portion;
• rotational guiding means disposed on said circumferential rims, said compression ring portion resting on its entire length against said rims by means of said rotational guiding means;
• bolts passing through said casing portions to form a clamped-together, torsion-resistant unit;
• there being a radial clearance between said rotational guiding means and said compression ring portion of such a size that any polygonal deformation of said compression ring portion during the pressing is minimized.