Articulated steel cap for underground timbering

Details Articulated steel cap for underground timbering Articulated steel cap for underground timbering

E - Fixed Constructions

21

D

61/66

E21D 17/00 (2006.01)

Patent

CA 1326961

ABSTRACT OF THE DISCLOSURE: An articulated steel cap for underground timbering, consisting of a hollow section of specific length at one end of which a so-called tip is arranged and, at the other end, a so-called fork is arranged. The cap comprises at the end near the hollow section, a profiled insert corresponding cross-sectionally to the cross-section of the hollow section, with at least one longitudinally inclined surface with each of which is associated a mobile wedge- piece which can be drawn into the hollow section between the longitudinally inclined surface and the internal surface of the hollow section.

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