Device for placing pre-stress on sealed anchoring rod comprises extension piece screwed onto existing anchoring, spacer and support washer on part to be held and spring washers stacked on extension piece

摘要

The device consists of an extension piece (1) screwed onto the existing anchoring. A spacer (2) and a support washer (3) are placed on the part to be held. Spring washers (4) are stacked on the extension piece and a nut (6) is screwed until there is metal to metal contact with the spacer.