Porous structural material and process for forming the same

Details Porous structural material and process for forming the same Porous structural material and process for forming the same

B - Operations, Transporting

22

F

B22F 3/14 (2006.01) B22F 3/11 (2006.01) B22F 7/00 (2006.01)

Patent

CA 2342828

A porous structure material which is in a spheric shape, has a curved face, a high dimension accuracy and has a wide use, is provided. The porous structure material is composed of one or two or more metal chips, and is molded to the spheric shape whose surface is smooth and which has the curved face by means of using a plate-like intermediate molded article pressure-molded while being heated by flowing a high electric current and molding it again under a heat generating state as it is.

Ce matériau de structure poreuse, de forme sphérique, possède une face courbe, est d'une grande précision dimensionnelle et trouve un large éventail d'applications. Il se compose d'une ou de deux plaquettes en métal, ou bien davantage, et il est moulé, de manière à lui donner une forme sphérique dont la surface est lisse. On obtient cette face courbe en utilisant un article moulé intermédiaire du type plaque, par moulage sous pression et échauffement simultané par circulation d'un courant électrique. On procède au moulage à chaud dudit matériau jusqu'à obtention de la forme sphérique.

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