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2 616 312

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(51)

IPC

C23D13/00(2006-01-01)

C03C17/23(2006-01-01)

(21) (22)

Application

2015124297, 2015-06-22

(24)

Start date

2015-06-22

(22)

Actual filing date

2015-06-22

(45)

Published

2017-04-14

(72)

Inventor

Khoroshavina Vera VladimirovnaRyabova Anna VladimirovnaFilatova Ekaterina VladimirovnaKlimova Lyudmila VasilevnaEskova Tatyana Alekseevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Politekhnicheskij Universitet Imeni M.I. Platova"

METHOD OF PRODUCING CHEMICALLY STABLE TIN OXIDE COATING ON SURFACE OF ENAMELLED STEEL ARTICLE Russian patent published in 2017 - IPC C23D13/00 C03C17/23

Abstract RU 2616312 C9

FIELD: technological processes.

SUBSTANCE: invention relates to surface treatment of enameled steel articles and can be used in production of enameled steel articles used in chemical, pharmaceutical, food, oil, gas industry and construction. Method involves heat treatment of an enamelled steel article for 25–30 minutes in presence of a SnCl₂ salt at a ratio of 1.5–2 g per 40 cm² surface, wherein heat treatment is performed at temperature 500–550°C.

EFFECT: invention enables to obtain on surface of enameled steel articles high-quality chemical-resistant tin oxide coating, providing longer service life of enameled steel articles.

1 cl, 2 dwg, 8 ex

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RU 2 616 312 C9

Authors

Khoroshavina Vera Vladimirovna

Ryabova Anna Vladimirovna

Filatova Ekaterina Vladimirovna

Klimova Lyudmila Vasilevna

Eskova Tatyana Alekseevna

Dates

2017-04-14—Published

2015-06-22—Filed