REINFORCED CONCRETE TIE MAKING METHOD Russian patent published in 1997 - IPC

Abstract RU 2100509 C1

FIELD: mechanical engineering; moulding of railway ties from concrete mass mixture. SUBSTANCE: mould is filled with concrete mixture and reinforcement with subsequent compacting the mixture and heating in furnaces. Mixtures is compacted by ultrasonic vibrations, frequency within 18 and 21 kHz. EFFECT: improved strength of ties. 1 dwg

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RU 2 100 509 C1

Authors

Filin A.N.

Dates

1997-12-27—Published

1996-07-17—Filed