Class / Patent application number | Description | Number of patent applications / Date published |
065083000 | With positive cooling of product or molten glass at forming area | 19 |
20100071418 | METHODS FOR FORMING COMPOSITIONS CONTAINING GLASS - Methods for molding glass and glass composites, including providing a first structure having a first surface, providing a second structure having a second surface, the second surface being patterned and porous, and disposing between the first and second surfaces an amount of a composition comprising a glass, then heating together the first and second structures and the first amount of the composition sufficiently to soften the first amount of the composition such that the first and second structures, under gravity or an otherwise applied force, move toward each other, such that the pattern of the second surface is formed into the first amount of the composition, then cooling the composition sufficiently to stabilize it, the second structure comprising porous carbon having an open porosity of at least 5% and wherein the amount of the composition is removable from the second surface, without damage to the amount of the composition or to the second surface, such that the second surface is in condition for re-use. | 03-25-2010 |
20120216572 | METHOD AND APPARATUS FOR REMOVING PHOSPHORUS AND BORON FROM POLYSILICON BY CONTINUOUSLY SMELTING - The present invention relates to the polysilicon purification technology field with physical metallurgy technology, especially to a method for removing P and B impurities in the polysilicon using electron beam melting technology. In this method, two electron guns are used for irradiating electron beam to melt polysilicon, meanwhile, P and B are removed in a dual process. P will firstly be removed, and then B will be further removed through further melting for evaporation. At last the low-B and low-P polysilicon evaporated on the deposit board is collected. In the equipment used, the vacuum cover and vacuum circular cylinder constitutes the shell of the device; the inner part of vacuum circular cylinder is the vacuum chamber, which is formed by the left and right part and divided by the separation plate. This method effectively improves the purity of the polysilicon and achieves the requirements for solar grade silicon with perfect purification effect, stable technology, and high efficiency. | 08-30-2012 |
20120297832 | SILICON VACUUM MELTING METHOD - A device provided with a furnace vessel | 11-29-2012 |
20130180288 | GLASS-SUBSTRATE MANUFACTURING METHOD - To provide a glass-substrate manufacturing method with which it is possible to increase the production amount of glass substrates when manufacturing glass substrates by employing down-draw processing, as well as manufacture ideal glass substrates. A glass-substrate manufacturing method according to an aspect of the invention includes a forming step and a cooling step. In the forming step, a molten glass is formed into a sheet glass by a down-draw process. In the cooling step, the sheet glass is cooled. The cooling step includes a first cooling step, a second cooling step, and a third cooling step. In the first cooling step, the sheet glass is cooled at a first average cooling rate until the temperature of a central region of the sheet glass drops to the annealing point. In the second cooling step, the sheet glass is cooled at a second average cooling rate until the temperature of the central region drops from the annealing point to 50° C. below the strain point. In the third cooling step, the sheet glass is cooled at a third average cooling rate until the temperature of the central region drops from 50° C. below the strain point to 200° C. below the strain point. The first average cooling rate is 5.0° C./second or faster. The first average cooling rate is faster than the third average cooling rate. The third average cooling rate is faster than the second average cooling rate. | 07-18-2013 |
20130186142 | CONDUIT STRUCTURE FOR MOLTEN GLASS, VACUUM DEGASSING APPARATUS, VACUUM DEGASSING METHOD FOR MOLTEN GLASS AND PROCESS FOR PRODUCING GLASS PRODUCTS EMPLOYING SAID CONDUIT STRUCTURE - A conduit structure for molten glass, in which molten glass is flown through a double-pipe structure, with little stress loading even for a long time operation. A supporting rib connecting an inner pipe and an outer pipe is employed in the double pipe structure having the inner pipe and outer pipe in the conduit structure for molten glass, wherein excessive stress concentration hardly occurs in an inner pipe-joint portion, an outer pipe-joint portion and the rib when the rib is applied with a stress load due to the weight of the inner pipe. | 07-25-2013 |
20130291595 | APPARATUS FOR MANUFACTURING HIGH PURITY POLYSILICON USING ELECTRON-BEAM MELTING AND METHOD OF MANUFACTURING HIGH PURITY POLYSILICON USING THE SAME - Apparatus and method for manufacturing high purity polysilicon. The apparatus includes a vacuum chamber maintaining a vacuum atmosphere; first and second electron guns disposed at an upper side of the vacuum chamber to irradiate electron beams into the vacuum chamber; a silicon melting unit placed on a first electron beam-irradiating region corresponding to the first electron gun and in which powdery raw silicon is placed and melted by the first electron beam; and a unidirectional solidification unit placed on a second electron beam-irradiating region corresponding to the second electron gun and connected to the silicon melting unit via a runner. The unidirectional solidification unit is formed at a lower part thereof with a cooling channel and is provided therein with a start block driven in a downward direction. | 11-07-2013 |
20140033767 | METHOD OF PRODUCING A SOLAR CONCENTRATOR - A method for producing a solar concentrator, the method comprising providing an upper mold, adapted for molding a light exit face, providing a bottom mold, adapted for molding a light entry face, and blank molding the transparent material between the upper mold and the bottom mold to form a solar concentrator comprising a light entry face and a light exit face. | 02-06-2014 |
20160032482 | DIRECTIONAL SOLIDIFICATION SYSTEM AND METHOD - The present invention relates to an apparatus and method for purifying materials using a rapid directional solidification. Devices and methods shown provide control over a temperature gradient and cooling rate during directional solidification, which results in a material of higher purity. The apparatus and methods of the present invention can be used to make silicon material for use in solar applications such as solar cells. | 02-04-2016 |
065084000 | By direct gaseous contact | 5 |
20110126591 | Method and Apparatus for Pressure Control of Glass-Making Thickness-Control Zone - Managing pressure within a thickness-control-zone (muffle door) housing ( | 06-02-2011 |
20110289969 | APPARATUS AND METHOD FOR CONTROLLING THICKNESS OF A FLOWING RIBBON OF MOLTEN GLASS - In the formation of sheet material from molten glass, a cooling tube is positioned in the forming area for directing a flow of cooling gas on discrete portions of the molten glass proximate a draw line or root to control local thickness variations in the sheet and thereby provide a uniform glass sheet thickness across the width of the sheet. The cooling tube is disposed in a pivot member configured to rotate about at least one axis, thereby causing an end of the cooling tube to direct the cooling gas over a wide range of angular positions across a portion of the width of the molten glass flowing over and from a forming body. | 12-01-2011 |
20130133370 | APPARATUS FOR REDUCING RADIATIVE HEAT LOSS FROM A FORMING BODY IN A GLASS FORMING PROCESS - Disclosed is an apparatus for producing a glass sheet comprising lower thermal shields positioned below cooling doors for minimizing radiative heat loss from a forming body used to form a ribbon of molten glass from which a glass sheet is cut, and upper thermal shields positioned between the cooling doors and a root of the forming body for minimizing radiative heat loss from the forming body. The thermal shields are typically arranged as pairs and positioned on horizontally opposite sides of a flow of molten glass descending as a continuous ribbon from the forming body. Each thermal shield of the lower and upper thermal shield pairs may comprise a plurality of segments, including end segments and a central segment, wherein the end segments may be separately movable relative to the central segment, allowing an edge of the thermal shield adjacent the ribbon to be varied. | 05-30-2013 |
20130255318 | PROCESS AND APPARATUS FOR MANUFACTURING POLYCRYSTALLINE SILICON INGOTS - A process and apparatus for producing polycrystalline silicon ingots. A crucible is arranged in a process chamber and filled with solid silicon material. At least one diagonal heater is located laterally offset to and generally above the silicon ingot to be produced. The silicon material is heated to form molten silicon in the crucible, and thereafter cooled down below the solidification temperature of the molten silicon. A temperature profile in the silicon material during the cooling phase is controlled at least partially via the at least one diagonal heater. The apparatus includes a process chamber, a crucible holder, and at least one diagonal heater. The diagonal heater is located laterally with respect to the crucible holder and generally above a polycrystalline silicon ingot to be formed in the crucible. The diagonal heater is stationary with respect to the crucible holder when the process chamber is closed. | 10-03-2013 |
20150344349 | METHOD FOR MANUFACTURING GLASS MATERIAL - Provided is a method that can manufacture a large-sized glass material by containerless levitation. A glass raw material block ( | 12-03-2015 |
065085000 | Of glass product | 6 |
20090100873 | METHOD OF MAKING A GLASS SHEET USING CONTROLLED COOLING - Methods of drawing glass sheet via a downdraw process are provided. In certain aspects, the methods utilize rapid cooling below the root ( | 04-23-2009 |
20090314034 | FLOAT PROCESS FOR A GLASS-CERAMIC - The invention relates to a process for manufacturing a flat ribbon of precursor glass for a glass-ceramic, comprising the continuous floating of the molten glass on a bath of molten metal in a float chamber, said glass being poured in the molten state at a temperature above its devitrification onset temperature onto the molten metal upstream of the chamber, said glass progressively forming a ribbon that runs along said metal bath, the cooling rate of the glass being at least 18° C./min between, on the one hand, the moment when the glass is at the theoretical temperature for which the devitrification rate is a maximum and, on the other hand, the later moment when the glass is at the theoretical temperature at which the devitrification crystal growth rate becomes less than 1 micron per minute. The glass thus floated does not undergo any devitrification. | 12-24-2009 |
20100126220 | METHOD FOR MANUFACTURING LOWER MOLD, METHOD FOR MANUFACTURING GLASS GOB, AND METHOD FOR MANUFACTURING MOLDED GLASS ARTICLE - In one aspect, there is provided a process for manufacturing a lower mold for receiving a falling molten glass droplet, in which without narrowing the option for material for a lower mold, any occurrence of air retention can be favorably prevented and a lower mold excelling in durability can be obtained. The process comprises the film forming step of forming a coating layer on a base material and the surface roughening step of roughening the surface of the coating layer. Preferably, the coating layer contains at least one element selected from among chromium, aluminum and titanium. | 05-27-2010 |
20130239619 | SOLAR CONCENTRATOR - A solar concentrator includes a solid body of a transparent material, which comprises a light coupling-in surface and a light coupling-out surface. A supporting frame and a light-transmitting part are located between the light coupling-in surface and the light coupling-out surface. | 09-19-2013 |
20140013805 | METHOD AND APPARATUS FOR MAKING GLASS SHEET - The method for producing a glass sheet by down-drawing includes an air pressure controlling step of controlling the air pressure of a furnace outside space formed between a furnace and a covering part that covers the furnace, the furnace including a forming furnace and a lehr, a melting step of melting glass raw materials to form molten glass, a supplying step of supplying the molten glass to a forming cell disposed inside the forming furnace, a forming step of forming a glass sheet by allowing the molten glass to flow down the forming cell, an annealing step of cooling the glass sheet while allowing the glass sheet to flow in one direction in the lehr, and a cutting step of cutting the glass sheet that has been cooled. In the air pressure controlling step, air pressure is controlled such that the air pressure is higher, inside the furnace outside space, at a position more toward the upstream side of the flow direction of the glass sheet. | 01-16-2014 |
20160046518 | APPARATUS AND METHODS FOR MANUFACTURING GLASS - A method and apparatus for manufacturing glass are provided. The apparatus is configured to draw a glass ribbon and includes an evaporator unit having a liquid reservoir configured to receive a working liquid. The apparatus further includes a heat transfer element configured to be placed in thermal contact with the working liquid received in the liquid reservoir. The heat transfer element is configured to cool the glass ribbon being drawn from the glass manufacturing apparatus by receiving radiant heat from the glass ribbon and transferring the heat to the working liquid received in the liquid reservoir, thereby transforming an amount of the working liquid to a vapor. The method includes drawing the glass ribbon, cooling the glass ribbon by radiating heat from the glass ribbon to the heat transfer element, and then transferring heat from the heat transfer element to the working liquid. | 02-18-2016 |