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EP0076781A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Filter medium in the form of a stable porous body

Assignee: Rio Tinto Switzerland AG
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Filing: 1982-09-24
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Granted: —
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Expires: 2002-09-24
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Abstract

Abstract Translated from German Filtermedium in Form eines stabilen porösen Körpers aus gegenseitig durch eine Fremdphase oder durch Sintern gebundenen Körnern kugeliger Gestaft. Vorzugsweise werden hohlkugelige Körner aus Korund zu Filtermedien in Plattenform verarbeitet. Die Filtermedien werden zur Filtration von schmelzflüssigen Metallen Vorzugsweise Aluminium, verwendet. Filter medium in the form of a stable porous body made of spherical sticks mutually bound by a foreign phase or by sintering. Hollow spherical corundum grains are preferably processed into filter media in plate form. The filter media are used for the filtration of molten metals, preferably aluminum.

Inventors

  • 👤 Wolfhart Rieger
  • 👤 Ludwig Gauckler
  • 👤 Albert Maurer
  • 👤 Konrad Kampfer

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 15:19
CPC Classifications
C; C04; C04B; C04B38/00; C04B38/08; B; B01; B01D; B01D39/00; B01D39/14; B01D39/20; B01D39/2068; B01D39/2072; B01D39/2075; C04B38/0038; C22; C22B; C22B21/00; C22B21/06; C22B21/066; C22B9/00; C22B9/02; C22B9/023; Y; Y02; Y02P; Y02P10/00; Y02P10/20

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