RING FOR ANNEALING OF GLASS SHEET, METHOD OF MANUFACTURING GLASS SHEET, AND GLASS SHEET MANUFACTURED IN THIS WAY Russian patent published in 1998 - IPC

Abstract RU 2114795 C1

FIELD: glass industry. SUBSTANCE: ring of invention comprises insulation ring 12 located near inner periphery of closed frame 10 serving to reduce cooling rate of glass sheet near the insulation ring 12. Thus, summary value of stretching stress in the inner zone decreases, whereas compression of edges during the cooling of glass sheet is preserved. EFFECT: increased impact strength of glass sheet. 13 cl, 4 dwg

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RU 2 114 795 C1

Authors

Shetterli Donivan M.

Shnabel' Dzhejms P.

Dates

1998-07-10—Published

1994-02-04—Filed