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EP0159222A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for the surface treatment of iron or cast iron parts by ionic bombardment

Assignee: Automobiles Peugeot SA
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Filing: 1985-03-07
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Granted: —
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Expires: 2005-03-07
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Abstract

Abstract The treatment, which endows these parts with resistance to wear and to corrosion, is characterised in that the surface of the parts is subjected successively to ionic nitriding, ionic oxynitriding and ionic oxidation.

Inventors

  • 👤 Yves Pourprix
  • 👤 Roger Dumas

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 14:12
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/06; C23C8/36; C23C8/38; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C23F; C23F17/00

Claims Analysis

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References Cited (Backward Citations)

FR1184952A Cited
FR2155078A5 Cited
DE2508907A1 Cited

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