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Class 65/178 - WITH AGITATOR FOR MOLTEN OR SOFT GLASS


Subclass of Class 65 - Glass manufacturing
Definition: Apparatus combined with means to agitate molten glass.
No. of patents: 68
Last issue date: 08/28/2007


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NumberTitleIssue Date
7260960Selective glass batching methods for improving melting efficiency and reducing gross segregation of glass batch components
A method of controlling reaction paths of glass batch components added to a resident glass melt is provided, including the steps of providing a plurality of raw material batch components according to a batch recipe, selectively combining a portion of the batch compo...
08/28/2007
7225643Recirculation bubbler for glass melter apparatus
A gas bubbler device provides enhanced recirculation of molten glass within a glass melter apparatus. The bubbler device includes a tube member disposed within a pool of molten glass contained in the melter. The tube member includes a lower opening through which the...
06/05/2007
7188994Orbital shaker for cell extraction
A orbital shaker for cell extraction includes a digestion chamber and structure for translating the digestion chamber. Structure is also provided for rotating the digestion chamber. A method of performing cell extraction is also disclosed. ...
03/13/2007
7134299Meltdown device as well as a process for the production of high-UV-transmitting glass type
The invention relates to a meltdown device for the production of high-UV transmittive glass types, comprising a meltdown tank for a melt bath a feed opening for the supplying or laying-in of highly pure raw materia...
11/14/2006
7127919Methods and apparatus for homogenizing molten glass
The level of precious-metal inclusions in glass products, e.g., glass substrates for liquid crystal displays, is reduced by stirring molten glass in a stir chamber (11) under conditions such that the magnitude of the shear stress τ on the chamber's wall (...
10/31/2006
7120185Method and apparatus for waste vitrification
A waste vitrification apparatus (10) having rotatable mixer impeller (16) functioning as a shaft electrode (60) and metallic vessel (14) functioning as a vessel electrode (62). A stream (12) of waste material and vitrifiable...
10/10/2006
7108808Method for waste vitrification
A waste vitrification apparatus (10) having rotatable mixer impeller (16) functioning as a shaft electrode (60) and metallic vessel (14) functioning as a vessel electrode (62). A stream (12) of waste material and vitrifiable...
09/19/2006
7097569Restorable sand or pellet pile device
A restorable sand or pellet pile is provided for use as an amusement or exercise device. A sand or pellet collection chamber has inclined side walls that converge toward each other in a downward direction and having a bottom surface connected to the side walls. A su...
08/29/2006
7007515Noble metal duct for conducting a glass melt and method for conducting a glass melt
The double-walled noble metal duct (1) for conducting a glass melt has an outer noble metal pipe (1b) and an inner noble metal pipe (1a) extending within the outer pipe, so that an inner space (21) is formed within the inner...
03/07/2006
6912874Device and process for introducing gases into a hot medium
This invention relates to a device and a process for introducing gases into a hot medium, whereby device (1) contains a pipe (2) for introducing gas and a cooling jacket (3) that encases pipe (2). ...
07/05/2005
6854290Method for controlling foam production in reduced pressure fining
A method for controlling the foam produced when a molten material encounters reduced pressure in a vacuum chamber includes passing the molten material through an aging zone in the vacuum chamber in which the molten material is allowed to drain from between the bubbl...
02/15/2005
6769272Method and apparatus for oxygen refinement of a glass melt
An apparatus for making glass in which a glass melt is refined in a vessel with oxygen is described. It includes a melt-containing vessel (10) having a refining region (3) for refinement of the glass melt and a noble metal member for producing oxygen i...
08/03/2004
6763684Glass homogenizing pump
A molten glass pump preferably includes one or more pumps which form either a single-stage apparatus or are combined in series to form a multi-stage apparatus. The exact configuration depends on the required process pressure and the required degree of glass homogeni...
07/20/2004
6563994Object with radially-varying properties and apparatus and method of preparing the same
A method of preparing an object with a radially-varying property is disclosed which includes the steps of providing a preform reactor including an outer container having a bottom, an inner container installed in the outer container, the inner container ha...
05/13/2003
6463763Apparatus for stirring glass melts
The invention pertains to a stirrer apparatus for glass melts. A stirring element and a stirrer shaft are provided, each comprised of a metal or a metal alloy having a high melting point temperature. A drive shaft for the stirring element comprises a diff...
10/15/2002
6334337Air bubbler to increase glass production rate
In a glass melter, a precious metal insert is used to protect a gas bubbler from corrosion at the orifice of the bubbler through which gas is injected into the melt. The use of a precious refractory metal insert at the bubbler orifice prevents the attack ...
01/01/2002
6270248Mixing apparatus for a molten substance of high temperature
A mixing apparatus which prevents erosion of left and right side walls 12a 12b for a flow path 12 for a molten substance of high temperature M and homogenizes the molten substance of high temperature while occurrence of air bubbles is prevented, wherein t...
08/07/2001
5935291Bushings and fiber forming assemblies
A bushing including a tip plate having an orifice region including orifices to permit flow of a molten fiberizable material therethrough; a reservoir for supplying molten fiberizable material to the orifices; and a substantially planar perforated plate po...
08/10/1999
5868814Apparatus for recirculating molten glass
A molten glass recirculating apparatus is provided, comprising a riser chamber having a first opening positioned below a molten glass level and a second opening positioned above a molten glass level, a trough positioned adjacent the upper opening, and a g...
02/09/1999
5849058Refining method for molten glass and an apparatus for refining molten glass
A refining method for molten glass comprising a stirring step for stirring molten glass in a stirring vessel, a feeding step for feeding the molten glass into a vacuum vessel via an uprising pipe, a degassing step wherein the molten glass is put under a r...
12/15/1998
5827341Method and apparatus for making glass
A method and apparatus for making float glass, wherein the glass is stirred in the conditioning zone adjacent the entrance to the float canal so as to attenuate the glass across the entire width of the float canal....
10/27/1998
5766296Furnace for melting glass and method for using glass produced therein
A furnace (1) for melting vitrifiable materials, including a compartment (2) for melting and refining the glass equipped, upstream, with at least one means (4) for charging vitrifiable-materials and leading, downstream, into a compartment or a series or c...
06/16/1998
5634958Method and apparatus for conditioning and homogenizing a glass stream
At least one cooling zone and a subsequent homogenization zone are installed between the inlet and the outlet of a forehearth for conditioning and homogenizing a stream of colored glass. The glass temperature in the forehearth is reduced from the inlet te...
06/03/1997
5630860Method and apparatus for conditioning and homogenizing a glass stream
A continuously flowing glass stream is conditioned and homogenized along a conditioning stretch, which extends from an entry side to at least one extraction point, and at the beginning of which there is a cooling zone, to which at least one homogenizing z...
05/20/1997
5588978Process and apparatus for coloring glass
A method and apparatus for the production of colored glass includes the steps of diverting a stream of clear molten glass from at least one glass melting furnace through one or more transport channels to a color treatment chamber. Recycled cullet and colo...
12/31/1996
5536291Method for melting glass in and a glass melting furnace for the practice of the method
In a furnace for melting glass, a preheating zone, a melting zone, a refining zone with a refining bank raised above the rest of the floor and an homogenizing zone, are arranged lengthwise behind one another between the charging end for the glass raw mate...
07/16/1996
5433765Throat for the transfer of molten glass
A flow duct or throat 1 for the passage of molten glass from the glass production zone to the shaping zone incorporates glass homogenizing stirrers 15, 16, 17 and 18, as well as a flow channel 2 and a heel 40. The stirrers, flow channel and heel are effec...
07/18/1995
5364426High shear mixer and glass melting method
A glass melter 30 having a mixing impeller 34 for converting a feed stream 38 supplied to a vessel 32 into a vitrified glass melt 50. Heating means such as electrodes 36 or a gas burner 58 are used to heat the glass melt 50. Electrode 36 arrangements are ...
11/15/1994
5273567High shear mixer and glass melting apparatus and method
A glass melter 30 having a mixing impeller 34 for converting a feed stream 38 supplied to a vessel 32 into a vitrified glass melt 50. Heating means such as electrodes 36 or a gas burner 58 are used to heat the glass melt 50. Electrode 36 arrangements are ...
12/28/1993
5269827Analytical sample preparation system
An instrument and system for the preparation of a sample for analysis provides a crucible holder which improves the holding and control of a melting crucible during operation of the device for agitating a powdered sample and flux while being heated. The c...
12/14/1993
5236490Method and apparatus for mounting ancillary equipment to a furnace
A furnace has side walls and a bottom wall with a refractory lining. To permit mounting of ancillary equipment such as electrode refractory blocks are fitted to the bottom wall of the furnace. To mount each refractory block a hole is bored through the bot...
08/17/1993
5188649Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste
Material, such as, for example, sealed double bags of asbestos containing waste or ash from infectious waste or toxic material or radioactive waste, is transferred into a glass melt of a furnace. Gas bubbles released into the melt form a gas curtain which...
02/23/1993
5120342High shear mixer and glass melting apparatus
A glass melter 30 having a mixing impeller 34 for converting a feed stream 38 supplied to a vessel 32 into a vitrified glass melt 50. Heating means such as electrodes 36 or a gas burner 58 are used to heat the glass melt 50. Electrode 36 arrangements are ...
06/09/1992
5100453Method for recycling scrap mineral fibers
A method and apparatus for recycling scrap mineral fibers (42) having an organic binder coating in a highly stirred glass melter (16) wherein the organic binder coating is decomposed by applying heat. Carbon from the organic binder coating is oxidized on ...
03/31/1992
5086832Mechanically interlocked multi tube heat exchanger core
A heat exchanger core having a plurality of spaced fluid conducting tubes operatively connected in series at their upper ends by projecting tank portions. The tubes have flattened main body portions that extend downward from the tank portions to terminal ...
02/11/1992
5006145Center biased stirring for improved glass homogenization
Better homogenization of molten glass or the like is achieved by a row of stirrers when greater stirring force is provided in the center portion of the row. Preferred embodiments employ stirrers with blades, and stirrers in the center portion have longer ...
04/09/1991
4983198Glass melting method and apparatus
In a method of and an apparatus for melting glass having high reducing activity when melted, a glass raw material charged into a melting vessel having a wall formed of platinum or alloy thereof is heated and melted. Oxygen gas is supplied to an outer surf...
01/08/1991
4892573Process and device for melting glass
The device pursuant to the invention comprises means for agitation composed of at least one horizontal agitator formed from a series of essentially vertical loops extending over the entire width of the bath near the collar between the refining zone and th...
01/09/1990
4820329Methods for the batchwise production of glass
A process for the batchwise production of glass performs melting, refining and discharging steps in electrically heated identical vessels, wherein at least the refining step is conducted during rotation of a vessel, and discharging of the refined glass ta...
04/11/1989
4744809Method and apparatus for homogenizing flat glass
Stirring of glass of high optical quality is effected by initiating forming of the glass, such as by the float process, at relatively high temperatures immediately after the glass has been stirred. Preferably, during and/or following the stirring operatio...
05/17/1988
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