Plate units connection for flat wall silo, has screw comprising screw shaft attached to inner side of round-head and including multi-sided shoulder engaged in multi-sided openings of units, where head lies on inner wall of silo

摘要

The connection has a screw comprising a round-head (2) and a screw shaft attached to an inner side of the head. The shaft includes a multi-sided shoulder that is designed as a square shoulder. A screw thread of the screw shaft is directly or indirectly attached to the shoulder. Multi-sided openings (6) are provided in plate units (9, 10) to be connected, where the shoulder engages in the openings of the plate units. The round-head of the screw lies on the plate units, and washers (7) are impinged by a multi-sided screw nut (8). The head lies on an inner wall of a silo.