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2 830 086

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(51)

IPC

B22C9/04(2006-01-01)

(21) (22)

Application

2024116034, 2024-06-10

(24)

Start date

2024-06-10

(22)

Actual filing date

2024-06-10

(45)

Published

2024-11-12

(72)

Inventor

Evstigneev Aleksej IvanovichOdinokov Valerij IvanovichDmitriev Eduard AnatolevichChernyshova Darya VitalevnaEvstigneeva Anna Alekseevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet" Vo

CASTING MULTILAYER SHELL MOULD Russian patent published in 2024 - IPC B22C9/04

Abstract RU 2830086 C1

FIELD: foundry.

SUBSTANCE: casting multilayer shell mould for production of metal castings by investment patterns, having cylindrical sections, contains thin-walled facing, internal intermediate and external outer layers. Circular expansion joints in the form of grooves are made on cylindrical sections of the external outer layer and adjacent layers of the shell.

EFFECT: increasing the crack resistance of the shell mould when pouring liquid metal and at the beginning of cooling the solidifying casting.

1 cl, 1 dwg, 1 ex

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RU 2 830 086 C1

Authors

Evstigneev Aleksej Ivanovich

Odinokov Valerij Ivanovich

Dmitriev Eduard Anatolevich

Chernyshova Darya Vitalevna

Evstigneeva Anna Alekseevna

Dates

2024-11-12—Published

2024-06-10—Filed