Abstract: An apparatus for manufacturing a float glass, including a float bath for storing a molten metal on which a molten glass flows, wherein the molten metal flows in the float bath, comprises an discharge opening formed through a wall of a downstream end of the float bath at the center of the wall to discharge a molten metal crashing against the wall and dross floating on the molten metal; and a pair of side channels formed inside of the wall and communicated with the discharge opening and both sides of the float bath.

Abstract: A glass polishing system includes a lower unit capable of rotating a glass placed at a fixed position, an upper unit capable of contacting with the glass and being passively rotated due to the rotation of the glass, and a moving unit for moving the upper unit in a horizontal and/or vertical direction. The upper unit includes a platter installed to a spindle of the moving unit, a separative platter separatably installed to the platter and having a polishing pad contacting with the glass, and a vacuum chuck for fixing the separative platter with respect to the platter by means of vacuum.

Abstract: An apparatus for manufacturing a float glass includes a float bath in which a molten glass moves on a surface of a floatable molten metal to form a glass ribbon, a casing deformation preventing member for allowing an inert gas to flow around an end casing at an outlet of the float bath to prevent the end casing from deforming, a dross box disposed adjacent to a downstream end of the float bath and having lift-out rollers for drawing the glass ribbon, an introduction member for introducing an inert gas into the dross box, and a recycling path for supplying an inert gas, which discharges from the casing deformation preventing member, to the introducing member.

Abstract: A float bath for manufacturing glass includes a slot formed in a bottom block of the float bath in which a molten metal is to be filled, a barrier member capable of being inserted into the slot, a receiving portion formed in at least one side block that connects with the bottom block so as to communicate with the slot, and a placing member placed in the receiving portion to be connected to one end of the barrier member.

Abstract: An apparatus for manufacturing a float glass, including a float bath for strong a molten metal on which a molten glass flows, wherein the molten metal flows in the float bath, comprises a plurality of discharge slits formed through a wall of a downstream end of the float bath to discharge a molten metal crashing against the wall and dross floating on the molten metal; a flow-back channel formed in a widthwise direction of the float bath and communicated with the discharge slits; and a dross collecting member for collecting the dross flowing through the flow-back channel.

Abstract: An apparatus for manufacturing a float glass, including a float bath for storing a molten metal on which a molten glass flows, wherein the molten metal flows in the float bath, comprises a discharge slot having substantially the same size as width of the molten glass to discharge a molten metal crashing against a wall of a downstream end of the float bath and dross floating on the molten metal, and formed through the wall substantially parallel to a traveling direction of the molten glass; connecting channels for communicating the discharge slot with both sides of the float bath; and dross collecting members for collecting the dross.

Abstract: The present invention provides a method for manufacturing a float glass by floating the glass on a molten tin that is contained in a molten tin bath, which includes the steps of a) discharging a portion of the molten tin in the molten tin bath to the outside of the molten tin bath; b) removing oxygen dissolved in the molten tin that is discharged from the molten tin bath by injecting an oxygen stripping gas that contains hydrogen into the molten tin; and c) returning the molten tin from which oxygen is removed to the molten tin bath, and an apparatus for manufacturing the same.

Abstract: Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of supplying air to the steel casing; and a cooling water spray member capable of spraying a cooling water onto the steel casing. And, a cooling method of said float bath system is disclosed.

Abstract: A float bath for manufacturing a float glass includes a brick assembly composed of a plurality of bricks storing a molten metal so that a float glass is capable of moving forward while floating on the molten metal, a bottom casing for forming an outer side of the brick assembly, and an air blower installed away from the bottom casing to supply a cooling air toward the bottom casing. The air blower includes a plurality of nozzles having a diameter of about 30 mm and arranged with a pitch of about 250 mm to about 300 mm in order to cool the bottom casing to a predetermined temperature.

Abstract: A float bath for manufacturing a float glass includes a brick assembly composed of a plurality of bricks to store a molten metal so that a float glass is capable of moving forward while floating on the molten metal, a bottom casing for forming an outer side of the brick assembly, and an air blower installed away from the bottom casing to supply a cooling air toward the bottom casing. The air blower is disposed so that the cooling air is injected toward gaps between the bricks.

Abstract: An apparatus for manufacturing a float glass includes a float bath in which a molten glass moves on a surface of a floatable molten metal to form a glass ribbon, a casing deformation preventing member for allowing an inert gas to flow around an end casing at an outlet of the float bath to prevent the end casing from deforming, a dross box disposed adjacent to a downstream end of the float bath and having lift-out rollers for drawing the glass ribbon, an introduction member for introducing an inert gas into the dross box, and a recycling path for supplying an inert gas, which discharges from the casing deformation preventing member, to the introducing member.

Abstract: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored and floats, a loop block which covers the bottom block and has at least one hole formed therethrough, a heater installed through the hole, and a fragment intercepting member for preventing fragments generated at the loop block from falling onto the bottom block through the hole.

Abstract: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored to float, a loop block which covers the bottom block, and a shield for preventing a vapor, which is generated from the molten metal at both sides of the bottom block, from advancing toward the molten glass or for keeping a circumstance above the molten glass.

Abstract: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored to float, a loop block which covers the bottom block, and a plurality of thermocouples buried in the loop block in a predetermined pattern to measure the temperature of the loop block so that a temperature gradient of an inner circumstance of a float chamber formed by the bottom block and the loop block is measured and/or controlled.

Abstract: Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of supplying air to the steel casing; and a cooling water spray member capable of spraying a cooling water onto the steel casing. And, a cooling method of said float bath system is disclosed.

Abstract: Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of supplying air to the steel casing; and a cooling water spray member capable of spraying a cooling water onto the steel casing. And, a cooling method of said float bath system is disclosed.

Abstract: A float bath for manufacturing glass includes a slot formed in a bottom block of the float bath in which a molten metal is to be filled, a barrier member capable of being inserted into the slot, a receiving portion formed in at least one side block that connects with the bottom block so as to communicate with the slot, and a placing member placed in the receiving portion to be connected to one end of the barrier member.

Abstract: Disclosed are an apparatus and a method for monitoring a glass plate polishing state. The apparatus may include a location measuring unit for measuring a location on a glass plate being polished by a polishing machine, a current measuring unit for measuring an electric current flowing into the polishing machine, a memory unit for storing a reference value of the electric current flowing into the polishing machine for each polishing location of the glass plate, and a control unit for determining whether a polishing state is faulty, by comparing a value of the electric current measured by the current measuring unit for each polishing location measured by the location measuring unit with a corresponding reference value of the electric current stored in the memory unit for each polishing location.

Abstract: Disclosed is a method for recycling a cerium oxide abrasive. The method may include adding a strong alkali solution to a slurry waste of the cerium oxide abrasive, adding sodium fluoride to the slurry waste, and separating a cerium oxide particle included in the slurry waste from other kinds of particles.

Abstract: The present invention provides a method for manufacturing a float glass by floating the glass on a molten tin that is contained in a molten tin bath, which includes the steps of a) discharging a portion of the molten tin in the molten tin bath to the outside of the molten tin bath; b) removing oxygen dissolved in the molten tin that is discharged from the molten tin bath by injecting an oxygen stripping gas that contains hydrogen into the molten tin; and c) returning the molten tin from which oxygen is removed to the molten tin bath, and an apparatus for manufacturing the same.