B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 3/15 (2006.01)
Patent
CA 2757116
A method for manufacturing a powder based article comprising one portion of a first material and at least one portion of a second material comprising the steps of: - arranging at least a first body comprising a powder of the second material and a gasifiable material in a selected portion or selected portions in a capsule defining the shape of the article, wherein the powder of the second material is held by the gasifiable material; - filling the capsule with a powder of the first material; - removing the gasifiable material; - sealing the capsule; - heating the capsule under increased pressure to a temperature at which the powders of the first and second materials densifies to a compact article.
L'invention concerne un procédé de production d'un article à base de poudre comprenant une partie d'un premier matériau et au moins une partie d'un second matériau, comprenant les étapes suivantes : - agencement d'au moins un premier corps comprenant une poudre du second matériau et un matériau gazéifiable dans une ou plusieurs parties sélectionnées d'une capsule épousant la forme de l'article, la poudre du second matériau étant retenue par le matériau gazéifiable; - remplissage de la capsule avec de la poudre du premier matériau; - élimination du matériau gazéifiable; - fermeture étanche de la capsule; - chauffage de la capsule sous une pression accrue à une température à laquelle les poudres du premier et du second matériau se densifient en un article compact.
Gowling Lafleur Henderson Llp
Sandvik Intellectual Property Ab
LandOfFree
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