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2 148 473

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IPC

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Application

98122383/02, 1998-12-08

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Start date

1998-12-08

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Actual filing date

1998-12-08

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Published

2000-05-10

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Inventor

Lisin V.S.Skorokhodov V.N.Nastich V.P.Kukartsev V.M.Zakharov D.V.Filjashin M.K.Tonkikh B.N.Lebedev V.I.

(73)

Holder

Ao Metallurgicheskij Kombinat"

LID FOR STEEL CASTING LADLE Russian patent published in 2000 - IPC

Abstract RU 2148473 C1

FIELD: lids for steel casting ladles and liquid metal vessels. SUBSTANCE: lid includes metallic casing in the form of truncated cone with refractory concrete lining. Diameter of flat portion of lid casing consists 0.1-0.5 of its outer diameter. Height of casing is equal to 0.08-0.14 of its outer diameter. Thickness of lining of cone portion of casing changes from maximum value equal to thickness of lining on flat portion of casing until minimum value on end of casing consisting 0.3-0.8 of lining thickness of flat portion of casing. Such relation of lining thickness values provides lowered heat and deformation stresses in lining of lid and therefore prevents cracking and breakage of lining uniformity. EFFECT: improved strength of lid. 3 cl, 1 dwg, 1 tbl

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RU 2 148 473 C1

Authors

Lisin V.S.

Skorokhodov V.N.

Nastich V.P.

Kukartsev V.M.

Zakharov D.V.

Filjashin M.K.

Tonkikh B.N.

Lebedev V.I.

Dates

2000-05-10—Published

1998-12-08—Filed

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