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2 722 956

(13)

(51)

IPC

B22C9/02(2006-01-01)

(21) (22)

Application

2019133515, 2019-10-21

(24)

Start date

2019-10-21

(22)

Actual filing date

2019-10-21

(45)

Published

2020-06-05

(72)

Inventor

Evstigneev Aleksej IvanovichDmitriev Eduard AnatolevichOdinokov Valerij IvanovichSviridov Andrej VladimirovichUsanov Gennadij Ivanovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet" Vo

CAST MULTILAYER SHELL MOLD Russian patent published in 2020 - IPC B22C9/02

Abstract RU 2722956 C1

FIELD: foundry.

SUBSTANCE: invention relates to foundry production and can be used in production of shell molds for casting of metal castings by molten casts. Mold comprises outer, inner and facing layers. Outer layer and the inner layer adjoining the facing layer are made of quartz glass. Remaining layers are ceramic.

EFFECT: higher fracture resistance of casting mold and its pouring with liquid metal without support filler.

1 cl

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RU 2 722 956 C1

Authors

Evstigneev Aleksej Ivanovich

Dmitriev Eduard Anatolevich

Odinokov Valerij Ivanovich

Sviridov Andrej Vladimirovich

Usanov Gennadij Ivanovich

Dates

2020-06-05—Published

2019-10-21—Filed