B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
18/1119
B22F 3/02 (2006.01) B22F 3/15 (2006.01)
Patent
CA 1237565
ABSTRACT OF THE DISCLOSURE Process and device for producing compressed mouldings from loose or sintered metal powder A hermetically sealed capsule (10) containing degased metal powder (11) is embedded in a soft metal flow die (20). Subsequently the flow die (20) is compressed in a cavity block, thereby compressing the metal powder (11) by the hydrostatic pressure of the flow die and simultaneously shaping the said powder. This results in the reforming of the structure right down to the interior of the particles with compression of up to 100%. The shaping process can be aided by moulding dies (17, 18) embedded in the flow die (10) around the capsule (10) at a distance from each other and, when closed, forming a cavity, the shape of which deviates from that of the original shape of the capsule (10). The capsule (10) containing the metal powder is formed during closure of the moulding cavity. (Fig. 3)
467841
Grundhoff Karl-Josef
Schurmann Hartmut
Smarsly Wilfried
Deutsche Forschungs-Und Versuchsanstalt Fur Luft- Und Raumfahrt
Gowling Lafleur Henderson Llp
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