Schwarzkopf Technologies Corporation

Plansee Aktiengesellschaft

Robert Grill

Norbert Dreer

Nikolaus Reheis

Joachim Resch

Michael Witwer

Silvia Kremshofer

The tungsten/heavy metal alloy is suitable for tools such as extrusion dies and extrusion mandrels for the hot-forming of copper and copper alloys. The novel alloy consists of 80 to 89.9% by weight of tungsten, 2 to 7% by weight of chromium, and a remainder of binder metal. The use of the novel alloy primarily results in a considerably reduced formation of grooves on the surface of the forming tools.

Method and tool of tungsten/heavy metal alloy for hot-forging solid state copper and copper alloys

A filtering cartridge made of compacted and sintered particles is manufactured from a powder consisting of chromium or a chromium alloy with at least 70% Cr by weight and a particle size of the chromium particles between 160 .mu.m and 500 .mu.m. Filtering cartridges of this type can be used advantageously, particularly in gas clarification for energy production by biomass gasification or coal gasification, in cracking processes in the petroleum industry, as well as for the production of melamine resin.

Filtering cartridge

Heavily thermally stressable component

Growing community of inventors

Reutte, Austria

Robert Grill