Bochumer Eisenhütte Heintzmann Gmbh&co. Kg

Bochumer Eisenhuette Heintzmann Gmbh & Co Kg

Werner Mennekes

Manfred Koppers

Karlheinz Bohnes

Rudi Podjadtke

Lothar Domanski

Dieter Moebus

Rudolf Turowski

A cap shoe for connecting a mine prop to a head tree or cap in the form of a U-shaped girder whose U shanks have corrugations extending the full width thereof is engageable by complementary formations on the flanges of the cap or head tree which is received in the shoe. The latter is welded to the mine prop.

Cap shoe

A clamping device for connecting a number of shaped, elongated, flanged through sections of a support structure to each other includes an upper stirrup, the flanges of which are supported on the flanges of the upper through section, a lower stirrup positioned to support the flanges of the lower through section, and clamping bolts extended through the openings in the flanges of the stirrups and the through sections and tightened with nuts. The head of each bolt has supporting projections provided with convexly curved portions which are engaged in the flanges of the upper stirrup in a form-locking fashion.

Clamping connection device for flanged through sections of support

Growing community of inventors

Lunen, Germany

Werner Mennekes