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IPC

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Application

99121686/02, 1999-10-14

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Start date

1999-10-14

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Actual filing date

1999-10-14

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Published

2000-10-27

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Inventor

Shepeljakovskij K.Z.Lobozov V.P.Kuznetsov A.A.Nikitin S.I.Khamidullin I.Ju.Valeev D.Kh.Smirnov I.G.Azil'Gareev Kh.G.

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Holder

Zakrytoe Aktsionernoe Obshchestvo Tekhnologicheskij InstitutOtkrytoe Aktsionernoe Obshchestvo

SPRING PLATE OF HIGH STRENGTH AND ENDURANCE Russian patent published in 2000 - IPC

Abstract RU 2158314 C1

FIELD: heat treatment and mechanical engineering, particularly, manufacture of truck spring plates. SUBSTANCE: spring plate is made of steel with controlled hardenability, subjected to hardening from furnace through heating with high-speed water and tempering at 150-300 C, having tempered martensite on surface with depth equalling 0.1-0.2 thickness of plate and actual grain of martensite layer sizing 11-14 points, and with core hardness HRC ≥ 30. EFFECT: provided conditions for wide application of bulk-surface hardening of spring plates possessing high operate reliability, strength, endurance with reduced weight of spring plates and invariable load-carrying capacity. 1 cl, 1 tbl

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RU 2 158 314 C1

Authors

Shepeljakovskij K.Z.

Lobozov V.P.

Kuznetsov A.A.

Nikitin S.I.

Khamidullin I.Ju.

Valeev D.Kh.

Smirnov I.G.

Azil'Gareev Kh.G.

Dates

2000-10-27—Published

1999-10-14—Filed