Vorrichtung zur Abdeckung der zwischen einzelnen Schildgliedern eines Schildausbaues in Gruben vorhandenen Spalten

1381544 Mine roof supports BANYASZATI KUTATO INTEZET VARPALOTAI SZENBANYAK and ORSZAGOS BANYAGEPGYARTO VALLALAT 6 March 1972 [5 March 1971] 10375/72 Heading E1P In an advancing mine roof support assembly for a longwall face and wherein each support is provided with a canopy A, a waste shield 13 and a breaking shield 1, the resulting gaps between shields of adjacent supports are each covered by L-shaped plates 5. Each plate 5 is urged by spring means into contact with an abutment surface 8 on an adjacent support and is aligned relative to its associated shield by hydraulic alignment cylinders for details of which and mode of operation the Specification and Figs. 3 and 4, (not shown), should also be referred to.