| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 065290190 |
Temperature
| 31 |
| 065290180 |
Magnetic, electromagnetic, or wave energy utilized (e.g., light, infrared, ultrasonic, etc.)
| 23 |
| 065290140 |
Diameter, width, or thickness of formed article
| 20 |
| 065290160 |
Batch or feed material
| 10 |
| 065290130 |
Combustion chamber atmosphere | 4 |
| 20100018251 | Device and method for manufacturing glass without forming bubbles on precious metal components - The device for manufacturing glass, in which bubble formation on precious metal components is prevented, has a precious or refractory metal wall ( | 01-28-2010 |
| 20100050691 | GLASS MELTING OVEN - A combustion method for melting glass in which two fuels of the same nature or different natures are fed into a fusion furnace at two locations remote from each other for distributing the fuel to reduce NOx emissions. The combustion air is supplied at only one of the locations. In a method for operating a glass melting furnace, the fuel injection is distributed to reduce NOx emissions. The furnace includes a melting vessel for receiving the glass to be melted and containing a bath of molten glass, walls defining the furnace, a hot combustion air inlet, a hot smoke outlet, at least one burner for injecting a first fuel, and at least one injector for injecting a second fuel. The injector has an adjustable flow complementary relative to the flow to the burner so that up to 100% of the totality of the first and second fuels used may be injected. | 03-04-2010 |
| 20100192633 | SYSTEM AND METHOD FOR CONTROLLING THE ENVIRONMENT AROUND ONE OR MORE VESSELS IN A GLASS MANUFACTURING SYSTEM - A system and method are described herein that control the environment (e.g., oxygen, hydrogen, humidity, temperature, gas flow rate, pressure) around one or more vessels in a glass manufacturing system. In the preferred embodiment, the system includes a closed-loop control system and a capsule that are used to control the level of hydrogen around the exterior (non glass contact surface) of the vessel(s) so as to suppress the formation of gaseous inclusions and surface blisters in glass sheets. In addition, the closed-loop control system and capsule can be used to help cool molten glass while the molten glass travels from one vessel to another vessel in the glass manufacturing system. Moreover, the closed-loop control system and capsule can be used to maintain an atmosphere with minimal oxygen around the vessel(s) so as to reduce the oxidation of precious metals on the vessel(s). | 08-05-2010 |
| 20110079047 | APPARATUS AND METHOD FOR MANUFACTURING VITREOUS SILICA CRUCIBLE - Provided are an apparatus and a method for manufacturing a vitreous silica crucible, which enable accurate measurement of a fume generation amount, prevention of deterioration of an inner surface property, and real-time control of a raw material melting state. Provided is an apparatus for manufacturing a vitreous silica crucible | 04-07-2011 |
| 065290170 |
Level or flow of molten material | 3 |
| 20090044567 | Method and apparatus for controlling the level of a molten material in a glass manufacturing system - A method of feeding a pulverulent batch material into a furnace in the manufacture of glass. The pulverulent batch material is fed from a first bulk batch feeder at a first batch feed rate, and from a second trim batch feeder at a second trim batch feed rate. The trim batch feed rate is equal to or less than 10% of the total batch feed rate. The use of trim electrodes and trim burners is also disclosed. | 02-19-2009 |
| 20140174129 | Support Holder For Quartz Dip Stick In Directional Solidification System Furnaces - A support fixture for use in a directional solidification system for the production of multi-crystalline ingots having a housing with a passage that extends into an inner assembly having a crucible includes a collar, an alignment bracket, and an arm. The collar has a mounting structure for attaching the collar to the housing. A passage extends through the collar and defines a longitudinal axis. The alignment bracket is in spaced relation to the collar. The arm extends from the collar to the alignment bracket to support the alignment bracket and prevent movement of the alignment bracket with respect to the collar. The arm is shaped to allow an operator access to an area adjacent to the longitudinal axis. | 06-26-2014 |
| 20140230491 | HIGH VOLUME PRODUCTION OF DISPLAY QUALITY GLASS SHEETS HAVING LOW ZIRCONIA LEVELS - Methods and apparatus for producing display quality glass sheets are provided in which the batch materials for making the sheets are melted in a furnace whose glass-engaging surfaces comprise zirconia (ZrO | 08-21-2014 |
| 065290150 |
Fluid pressure | 2 |
| 20110138858 | METHOD OF ELIMINATING BLISTERS IN A GLASS MAKING PROCESS - A method of controlling blister formation in a glass melt flowing through a system comprising one or more refractory metal vessels by developing a blister index and determining the critical blister index value. The critical value of the blister index may be used to control the principal variables responsible for blister formation, including the water content of the melt, the concentration of reduced multivalent oxide compounds in the melt, and the hydrogen partial pressure of an atmosphere in contact with the outside surface of the refractory metal vessel. Also disclosed is a minimum partial pressure of hydrogen necessary to produce an essentially blister-free glass article in a glass essentially free of arsenic and antimony. | 06-16-2011 |
| 20160137544 | WATER JET LASER CUTTING DEVICE AND CUTTING METHOD - There are provided a water jet laser cutting device and cutting method. The water jet laser cutting device includes an impulsive fluid jet unit and at least one laser beam emitting unit. Each laser beam emitting unit is configured to emit laser toward a cutting line, so as to turn a workpiece at the cutting line into a molten state. The impulsive fluid jet unit is configured to jet an impulsive fluid toward the cutting line in a molten state, so as to cut apart the cutting line in a molten state with an impulsive force of the impulsive fluid, and remove molten scraps at the cutting line. | 05-19-2016 |
| Entries |
| Document | Title | Date |
|---|
| 20090282871 | Method and apparatus for measuring transmitted optical distortion in glass sheets - An apparatus and associated method for measuring transmitted optical distortion in a glass sheet includes a glass stand which receives a glass sheet for mounting between a background screen which includes a matrix of spaced apart dots, and a digital camera which captures (1) an image of the glass sheet surface, and (2) an image of the dot matrix transmitted through the glass sheet. The captured images are downloaded to a computer that is suitably programmed to analyze the image data to (1) determine the presence of any markings or elements on the surface of the glass sheet that should be isolated from the dot matrix image, (2) modify the background image to eliminate the image data corresponding to any such surface markings or elements from the image, and (3) determine characteristics indicative of optical distortion in the modified image of the dot matrix background transmitted through the glass sheet. | 11-19-2009 |
| 20090320522 | PROCESS FOR PRODUCING OPTICAL GLASS DEVICE - It is an object of present invention to select the most suitable composition and molding condition for obtaining a glass having a desired refractive index by press molding without any annealing treatment, for a short period of time so as to produce efficiently the glass. In the invention, a glass composition showing a target refractive index in the case where annealing is conducted is regarded as a basic composition, a component ratio of the basic composition is changed with defining as a predetermined range a range where values of the target refractive index+(100 to 850)×10 | 12-31-2009 |
| 20100011813 | QUARTZ GLASS MANUFACTURING METHOD AND QUARTZ GLASS MANUFACTURING APPARATUS - Provided is a quartz glass manufacturing method that involves using one or more burners, supplying hydrogen and oxygen to the one or more burners to generate an oxyhydrogen flame, introducing a silicide into the oxyhydrogen flame, forming a porous base material by depositing silicon dioxide generated from a flame hydrolysis reaction with the silicide, and heating and sintering the porous base material to form transparent glass, the method comprising supplying hydrogen that is stored or made at a normal temperature to the one or more burners; controlling a hydrogen flow rate using a measurement apparatus or control apparatus that performs measurement based on heat capacity of a gas; vaporizing liquid hydrogen stored in a low-temperature storage chamber, and supplying the vaporized liquid hydrogen to the one or more burners as backup hydrogen; switching from the hydrogen to the backup hydrogen; and when switching, adjusting the hydrogen flow rate to a value obtained by multiplying the hydrogen flow rate immediately after switching by a predetermined correction coefficient. | 01-21-2010 |
| 20100212358 | GLASS SUBSTRATE ORIENTATION INSPECTION METHODS AND SYSTEMS FOR PHOTO VOLTAICS PRODUCTION - The present disclosure relates to methods for automated inspection of the orientation of a glass substrate ( | 08-26-2010 |
| 20100319400 | Method and Apparatus for Monitoring Glass Articles - A method and apparatus for monitoring glass articles produced in a glass molding machine having a plurality of production units. The glass articles are always conveyed in the same sequence, relative to the production units, through a conveying stretch. Each glass article, as it passes through the conveying stretch, is provided with a marking having an individual serial number, wherein assigned to the marking is data related to the production process of each such glass article. The glass articles are supplied via the conveying stretch, and in the same sequence, to a continuous annealing oven. The glass articles are subsequently subjected to a defect checking process. | 12-23-2010 |
| 20110005275 | PROCESS FOR PRODUCTION OF GLASS TUBES HAVING AT LEAST ONE TUBE END SECTION OF REDUCED STRESS - In the process a glass tube line is drawn from a glass tube production plant and the glass tube is severed from the glass tube line. At the same time the still heated glass tube is subjected to a selective local heat treatment of the at least one tube end section prior to cooling down completely in order to reduce the stresses in the respective tube end section. Not the entire glass tube but instead only the respective tube end section is subjected to the selective local heat treatment. The heat treatment is performed in particular in such a manner that the mechanical tensile stress in the region between 7 mm and 20 mm from the tube end or ends is reduced to below 6.0 MPa, more preferably to below 4.5 MPa. | 01-13-2011 |
| 20110016919 | APPARATUS AND METHODS FOR MAKING GLASS - Apparatus and methods for making glass are provided. The apparatus comprise a first glass melt station and a standpipe. The standpipe includes a first end portion in fluid communication with the first glass melt station. The standpipe further includes a gravity trap that is configured to inhibit formed impurities from traveling from at least a portion of the standpipe through the first end portion of the standpipe. The methods comprise the steps of providing the first glass melt station with glass melt, sensing a condition of a quantity of glass melt within the standpipe, and inhibiting formed impurities from traveling from at least a portion of the standpipe through the first end portion of the standpipe. | 01-27-2011 |
| 20120000247 | HIGH-TEMPERATURE ACTIVATION PROCESS - A method for processing a coated glass substrate may include a high-temperature activation process. | 01-05-2012 |
| 20120006058 | CONSTANT FORCE SCORING DEVICE AND METHOD FOR USING SAME - A scoring device is described herein that applies a constant force while scoring a piece of material so that there is a consistent score quality (or vent depth) within the scored piece of material. In one embodiment, the piece of material is a bowed shaped glass sheet that is supported by a conformable nosing device which has been configured to have a bowed shape that substantially matches the bowed shape of the glass sheet. | 01-12-2012 |
| 20120103018 | METHOD AND APPARATUS FOR CUTTING GLASS RIBBON - A process and apparatus for cutting a continuous glass ribbon involving the use of edge restrainers such as suction cups and clamps connected to an actuator of a robot tooling through a flexible linkage capable of reciprocal motion in the direction of the ribbon velocity. The use of the flexible linkage reduces peak pulling-force when the glass ribbon is pulled or pushed laterally to during bending and separation along a pre-formed score-line. The invention can be advantageously used in the bottom of the draw of a vertical down-draw forming process. | 05-03-2012 |
| 20120216566 | METHOD FOR IDENTIFYING GLASS DEFECT SOURCE, FUSION CAST REFRACTORY AND GLASS MELTING FURNACE USING IT - The present invention provides a method for identifying a glass defect source, whereby a glass defect source can directly be identified without using a mathematical simulation. The method for identifying a glass defect source, which comprises a step of constructing a glass melting furnace by using, as lining furnace material, a fusion cast refractory containing at least one tracer component selected from Cs | 08-30-2012 |
| 20120324951 | Method for Melting a Batch of Raw Materials by a Crown Burner - The invention concerns a method for melting a composition of raw materials including introducing the composition in an oven to form a layer ( | 12-27-2012 |
| 20130061635 | METHOD FOR MEASURING STRENGTH OF CHEMICALLY STRENGTHENED GLASS, METHOD FOR REPRODUCING CRACKING OF CHEMICALLY STRENGTHENED GLASS, AND METHOD FOR PRODUCING CHEMICALLY STRENGTHENED GLASS - There are provided a method for measuring strength of a chemically strengthened glass, that reflects the state of actual drop fracture more appropriately, and can reproduce slow cracking in the chemically strengthened glass, a method for reproducing cracking of a chemically strengthened glass, and a method for producing a chemically strengthened glass. Load is applied to an indenter having a tip formed into a sharp shape having a minimum angle θmin of cross-section of less than 120° , the indenter is pushed into a chemically strengthened glass under a static load condition such that the tip is vertical to a surface of the chemically strengthened glass, and the load when the chemically strengthened glass cracks is measured. | 03-14-2013 |
| 20130067956 | APPARATUS AND METHOD FOR CHARACTERIZING GLASS SHEETS - Disclosed is an apparatus for characterizing attributes of a moving glass sheet comprising complementary mechanical material handling technologies that progressively stabilize, position, capture, flatten, and release the lower portion of glass sheets traveling past the apparatus while posing minimal constraint on the top section of the sheet. The apparatus includes a pressure-vacuum (PV)-type device comprising distinct regions such that the glass sheets experience a non-contact but gradual increase in constraining force until the point where measurements can be performed, then a gradual decrease in constraining force until the glass sheets are released from the inspection station. This graduated force technique is applied along the direction of travel of the sheets and may also be applied vertically upwards along the height of the sheet to restrict the motion of the sheet without constraining it at pinch points near the conveyor. | 03-21-2013 |
| 20130180286 | P-Switch Pilot Operating Air Supply Controller - There is provided a system of an individual section machine (IS) having a blow side with a mold and a blow head, and a blank side, the system includes a P-Switch valve in fluid communication with an EPVB of the IS machine and with the P-Switch valve configured to control a valve pilot air supply to a predetermined pilot valve. When the P-Switch valve is activated, the blow side mold is set to an OPEN position and the associated blow head is set to an UP position. With the P-Switch valve of the system activated, the blow side machinery cannot be overridden from the blank side of the IS machine. | 07-18-2013 |
| 20130192303 | QUALITATIVE CRYSTAL DEFECT EVALUATION METHOD - A process is provided for evaluating oxygen precipitates in a single crystal silicon sample. The process comprises (a) annealing the single crystal silicon sample at a temperature sufficient to selectively grow as-grown oxygen precipitates having a size of about 25 nm or more and selectively dissolve as-grown oxygen precipitates having a size of about 25 nm or less; (b) cooling the single crystal silicon sample at a cooling rate sufficient to inhibit the nucleation of oxygen precipitates having a size of about 25 nm or less; (c) coating a surface of the single crystal silicon sample with a composition containing a metal capable of decorating oxygen precipitates; and (d) annealing the coated single crystal silicon sample at a temperature, for a duration, and in an atmosphere sufficient to decorate the oxygen precipitates in the single crystal silicon sample. | 08-01-2013 |
| 20130213091 | METHOD OF MANUFACTURING GLASS SUBSTRATE AND INFORMATION RECORDING MEDIUM - In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical strengthening processing liquid containing chemical strengthening salt, concentration of Fe and Cr is 500 ppb or less in said chemical strengthening salt, respectively. The concentration may be detected by the use of an ICP (Inductively Coupled Plasma) emission spectrometry analyzing method or a fluorescent X-ray spectroscopy analyzing method. | 08-22-2013 |
| 20130291593 | GLASS SUBSTRATE LASER CUTTING DEVICE WITH REAL-TIME BREAKING DETECTING FUNCTION AND GLASS SUBSTRATE BREAKAGE DETECTING METHOD THEREOF - A glass substrate laser cutting device according to the invention includes: a working table that has a plurality of vacuum absorbing grooves; a laser cutter; a pressure sensor that measures a pressure sensor when suctioning the glass substrate in a vacuum state; a calculation processing unit that compares the vacuum pressure measured by the pressure sensor with a predetermined threshold pressure and determines whether the glass substrate is broken; a laser cutter that includes a leaser head moving along the cutting direction of the glass substrate and emitting a laser beam; and an optical sensor that is attached to the laser head so as to move together and is disposed at a point in front of the laser beam emitted to the outside so as to detect the breakage of the glass substrate. | 11-07-2013 |
| 20130319047 | METHOD OF REDUCING DISTORTION IN A SHEET OF GLASS - A method of reducing distortion in a glass sheet is described and comprises the steps of: forming a glass ribbon in a glass manufacturing process; separating a glass sheet from the glass ribbon, the glass sheet having a substantially flat surface; measuring a retardation through the surface of the glass sheet; defining a retardation parameter indicative of the retardation of the glass sheet; cutting the glass sheet into a plurality of sub-sheets; measuring a distortion of the sub-sheets; defining a distortion parameter indicative of the distortion of the sub-sheets; and determining a correlation between the retardation parameter and the distortion parameter such that the distortion parameter of sub-sheets of a subsequent glass sheet can be predicted based on the correlation. | 12-05-2013 |
| 20150345996 | APPARATUSES AND METHODS FOR MEASURING AN ANGLE BETWEEN A WEB OF MATERIAL AND A CONVEYANCE DIRECTION - In one embodiment, an angle measurement device for measuring an angle between a web of material and a conveyance direction includes a mounting bracket, a shaft rotatably coupled to the mounting bracket such that the shaft is rotatable with respect to the mounting bracket, a caster portion coupled to a first end of the shaft and positioned to contact a surface of the web of material being drawn over a web conveyance pathway, where the caster portion is spaced apart from an axis of rotation of the shaft, and an angular displacement sensor coupled to the mounting bracket and positioned to detect an angular orientation of the shaft with respect to the mounting bracket, where the angular displacement sensor outputs a signal indicative of the angular orientation of the shaft with respect to the mounting bracket. | 12-03-2015 |
| 20160115067 | LAMINATE FUSION DRAW APPARATUS AND METHOD OF USE THEREOF - A laminate fusion draw apparatus including: a core isopipe having a first core melter; a clad isopipe having a clad melter; a first core down comer between the core melter and the core isopipe; and a second clad down comer between the clad melter and the clad isopipe, the second clad down comer having an independently adjustable linear and horizontal position with respect to a fixed horizontal position of the first down comer, and the core melter and the clad melter are linearly moveable for relative movement in the same or opposite horizontal direction, as described herein. Also disclosed is a method of using the apparatus where the first core down comer remains substantially centered or concentric on the first inlet tube, and the second clad down comer remains substantially centered or concentric on the second inlet tube. | 04-28-2016 |
