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2 731 279

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(51)

IPC

B22C9/04(2006-01-01)

(21) (22)

Application

2019135453, 2019-11-05

(24)

Start date

2019-11-05

(22)

Actual filing date

2019-11-05

(45)

Published

2020-09-01

(72)

Inventor

Evstigneev Aleksej IvanovichDmitriev Eduard AnatolevichOdinokov Valerij IvanovichPetrov Viktor ViktorovichSviridov Andrej Vladimirovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet" Vo

CAST MULTILAYER SHELL MOULD Russian patent published in 2020 - IPC B22C9/04

Abstract RU 2731279 C1

FIELD: foundry.

SUBSTANCE: invention relates to foundry production and can be used for investment casting. Multilayer shell mold consists of thin-walled facing, internal intermediate and external layers.

EFFECT: making inner intermediate layers of porcelain-faience ceramics increases crack resistance of the mold, which enables to fill liquid metal into a mold without support filler.

1 cl

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RU 2 731 279 C1

Authors

Evstigneev Aleksej Ivanovich

Dmitriev Eduard Anatolevich

Odinokov Valerij Ivanovich

Petrov Viktor Viktorovich

Sviridov Andrej Vladimirovich

Dates

2020-09-01—Published

2019-11-05—Filed