Importance

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Abstract

A method is described, according to which open-pored components may be produced having a defined pore size, a defined external skin thickness, and a low density. A fine carrier material, is shaped with the aid of a binder into balls (1) which are as uniform as possible according to a shaping method, the prefinished balls (1) are wetted or coated using the same or also a different binding medium and poured in this way into the desired external mold and caused to stick and/or form binder bridges (2) at the contact points by a curing method. The balls (1) connected to one another are removed from their mold and placed into the desired mold, after which the cavities (3) between the balls (1) are filled with metal, plastic, or ceramic. After solidification, all of the ball material may be removed and/or washed out by vibration and/or by washing using water.

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First Claim