Georg Fischer Giessereianlagen Ag

Ernst O Kruse

Christian Renner

The apparatus includes a stand having a press, a gas permeability measuring device and a weight measuring device mounted thereon for selectively measuring gas permeability, weight, compressor strength, shear strength, bending strength and other mechanical and physical properties.

Apparatus for measuring the properties of mold materials

An apparatus for mixing molding sand which comprises a mixing vessel having a mixing tool disposed within the mixing vessel, the mixing tool comprises an elongated shaft having a plurality of blades arranged along the elongated shaft wherein each of the plurality of blades comprises two opposed identical blade portions fitted to each other by a form fitting connection at a location adjacent the elongated shaft. The form fitting connection includes a groove and a lug on each of the opposed blade portions wherein the lug on one of the opposed blade portions engages the groove on the other opposed blade portion. The groove and lug form in part a peripheral surface of a polygonal recess on the form fitting connection which surface abuts the elongated shaft of the mixing tool when the opposed blade portions are secured to the shaft.

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Munich, Georgia

Ernst O Kruse