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2 151 750

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IPC

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Application

98120326/03, 1998-11-11

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Start date

1998-11-11

(22)

Actual filing date

1998-11-11

(45)

Published

2000-06-27

(72)

Inventor

Shutov A.I.Popov P.V.Chistjakov A.A.Lalykin N.V.

(73)

Holder

Shutov Aleksandr IvanovichPopov Pavel Valer'EvichChistjakov Aleksandr Anatol'EvichLalykin Nikolaj Vasil'Evich

GLASS QUENCHING METHOD Russian patent published in 2000 - IPC

Abstract RU 2151750 C1

FIELD: glass production, in particular, thermal strengthening of glass. SUBSTANCE: method involves heating glass to initial hardening temperature To; providing forced cooling of glass by pulsed air-jet blowing for time not exceeding 3 s; allowing glass to cool to room temperature under conditions of natural convection of air flows. Method may be used instead of glass annealing process and allows high-strength glass to be produced. EFFECT: increased efficiency and improved strength of glass which overcomes machining process without breaking. 1 dwg

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RU 2 151 750 C1

Authors

Shutov A.I.

Popov P.V.

Chistjakov A.A.

Lalykin N.V.

Dates

2000-06-27—Published

1998-11-11—Filed