EP 0049373 B1 19841031 - SURFACE HARDENED SINTERED IRON WORKPIECE AND METHOD OF MANUFACTURING THIS WORKPIECE
Title (en)
SURFACE HARDENED SINTERED IRON WORKPIECE AND METHOD OF MANUFACTURING THIS WORKPIECE
Publication
Application
Priority
DE 3035772 A 19800923
Abstract (en)
[origin: US4508681A] A method is provided for making a surface-hardened sinter-iron part by impregnating the sinter-iron part with an alkali silicate solution, hardening the iron part by heat treatment to harden the surface of the part, the sinter iron part having closed pores on the upper surface.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
Designated contracting state (EPC)
AT CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0049373 A1 19820414; EP 0049373 B1 19841031; AT E10070 T1 19841115; BR 8106065 A 19820608; DE 3035772 A1 19820513; DE 3035772 C2 19820930; DE 3166981 D1 19841206; JP S5785904 A 19820528; US 4508681 A 19850402
DOCDB simple family (application)
EP 81106947 A 19810904; AT 81106947 T 19810904; BR 8106065 A 19810922; DE 3035772 A 19800923; DE 3166981 T 19810904; JP 14894481 A 19810922; US 56435083 A 19831221