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2 696 787

(13)

(51)

IPC

B22C9/04(2006-01-01)

(21) (22)

Application

2018135797, 2018-10-09

(24)

Start date

2018-10-09

(22)

Actual filing date

2018-10-09

(45)

Published

2019-08-06

(72)

Inventor

Evstigneev Aleksej IvanovichDmitriev Eduard AnatolevichOdinokov Valerij IvanovichSviridov Andrej Vladimirovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet" Vo

CAST MULTILAYER SHELL MOLD Russian patent published in 2019 - IPC B22C9/04

Abstract RU 2696787 C1

FIELD: foundry.

SUBSTANCE: invention relates to foundry and can be used for investment casting. Casing shape contains thin-wall external, internal and facing layers. Facing layer and adjacent inner layers are ceramic. Outer layer and adjacent inner layers are made ceramic-metallic. Ceramometal material increases strength characteristics of outer layers and has coefficient of linear expansion higher than that of ceramics.

EFFECT: enabling increase in the casting shell mold crack resistance.

1 cl

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RU 2 696 787 C1

Authors

Evstigneev Aleksej Ivanovich

Dmitriev Eduard Anatolevich

Odinokov Valerij Ivanovich

Sviridov Andrej Vladimirovich

Dates

2019-08-06—Published

2018-10-09—Filed