FLOAT GLASS PRODUCTION DEVICE AND FLOAT GLASS PRODUCTION METHOD

Title:

FLOAT GLASS PRODUCTION DEVICE AND FLOAT GLASS PRODUCTION METHOD

Document Type and Number:

WIPO Patent Application WO/2019/221084

Kind Code:

A1

Abstract:

This float glass production device has a heat-treating furnace equipped with: a dross box; a slow-cooling furnace; a first partition which is provided between lift-out rolls on a lowermost downstream location in the conveyance direction of a glass ribbon and lehr rolls on an uppermost upstream side in the conveyance direction, and which is disposed at the bottom of the heat-treating furnace; and a second partition which is disposed above the first partition and which is situated opposite the first partition across a conveyance passage through which the glass ribbon is conveyed. The heat-treating furnace is provided with: a gas discharge nozzle through which sulfur oxide gas is discharged toward the conveyance passage from below the conveyance passage; and a guide member which is disposed on the upstream side of the gas discharge nozzle in the conveyance direction in such a manner as to face one of multiple lehr rolls.

More Like This:

WO/2005/121036	CONVECTION TYPE HEATING FURNACE FOR HEATING GLASS SHEETS
JPH03198394	HEATED BOARD COOLING DEVICE

Inventors:

YONEMORI HARUO (JP)
BAN NOBUYUKI (JP)
UENO AKIRA (JP)
MIURA TAKENORI (JP)

Application Number:

PCT/JP2019/019006

Publication Date:

November 21, 2019

Filing Date:

May 13, 2019

Export Citation:

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Assignee:

AGC INC (JP)

International Classes:

C03B25/08; C03B18/02; C03B35/16; F27B9/02; F27B9/04; F27B9/12; F27D9/00

Domestic Patent References:

WO2013187179A1	2013-12-19
WO2009148141A1	2009-12-10

Foreign References:

JP2016050160A	2016-04-11
JP2015160804A	2015-09-07
JP2011121834A	2011-06-23
JP2016050160A	2016-04-11
JP2018095629A	2018-06-21

Other References: