EP 0059972 B1 19850717 - MOVABLE PLATFORM FOR ASSEMBLING ROOF SUPPORTS IN LENGTHS OF MINING TUNNELS
Title (en)
MOVABLE PLATFORM FOR ASSEMBLING ROOF SUPPORTS IN LENGTHS OF MINING TUNNELS
Publication
Application
Priority
- DE 3109159 A 19810311
- DE 3109163 A 19810311
Abstract (en)
[origin: EP0059972A1] 1. A mining supports erection stage for galeries of underground workings with several supporting beams (49, 55) and a working platform (90) having a continuous surface (91), which possesses several units (1, 30, 32, 75-77, 78-81) detachably fastened together that consist of a plate (2) and possess, located at several edges of the plate, downwardly-facing angle brackets preferably integral with the plate, in which connecting brackets (38, 39) acting together with the supporting beams e.g. as a stage suspension are provided, characterized in that the surface (91) of the working platform (90) is formed exclusively of plates (2) of the units (1, 30, 32,75-77, 78-81) fastened to one another, in which the transverse edges (93-97) of units (75-77, 78-81) that are adjacent in the transverse direction of the surface (91) are staggered in location in the longitudinal direction of the working platform (90) and the supporting beam (49, 55) are bedded below the plates (2) of the units.
IPC 1-7
IPC 8 full level
E21D 11/40 (2006.01)
CPC (source: EP)
E21D 11/40 (2013.01)
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
EP 0059972 A1 19820915; EP 0059972 B1 19850717; DE 3264719 D1 19850822
DOCDB simple family (application)
EP 82101840 A 19820309; DE 3264719 T 19820309