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7621741 |
Safety door for rotary kiln
A safety door for covering openings in a rotary kiln during maintenance operations on the rotary kiln. The door is affixed to the exterior surface of the rotary kiln and includes a hatch pivotally...
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7556764 |
Silica vessel with nozzle and method of making
A fused silica crucible having a nozzle is formed by first inserting a preformed silica glass tube into the lower portion of a graphite mold. The tube is aligned with a vertical axis about which...
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7544059 |
Door sealing device for industrial furnace
Each one of the side edges ( 4 a, 4 b ) of a door ( 3 ) is arranged to run inside and along a respective tube ( 5 a, 5 b ) that has a longitudinal slit ( 6 a, 6 b ) and extends vertically, in...
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7458809 |
Portable kiln
A portable kiln has a set of wheels, a handle and a platform base. The wheels and the handle are attached on a first side of the kiln so that the kiln can be tilted and rolled on the wheels using...
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7389610 |
Door system
A door system used in a doorway of a pressurizable compartment of a high temperature structure, having a screw for compressing the door and a thrust collar providing clearance between the thrust...
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7379663 |
Continuous casting installation and process
A continuous casting installation includes a furnace ( 2 ) for heating metal to a first liquid metal temperature, a degassing unit ( 4 ), a filter ( 6 ), a heating unit ( 8 ) and a casting machine...
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7351057 |
Door plate for furnace
The process chamber of a vertical furnace is provided with a closure, or door, comprising an upper and a lower door plate. The upper door plate has a gas exhaust opening proximate its center,...
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7240673 |
Flange for flame observation
A flange ( 1 ) for optical flame observation in a gas turbine includes at least one bore for optical observation, in which bore there is arranged at least one pane ( 9, 10 ) for separating the...
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7044732 |
Rolling process cover
A cover for the opening of a process tube of a furnace used in semiconductor manufacturing is comprised of a substantially continuous sheet of metal so that it may be rolled opened and closed while...
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7029505 |
Sheet type heat treating apparatus and method for processing semiconductors
The single substrate thermal processing apparatus ( 2 ) includes a process chamber ( 5 ) arranged to accommodate a target substrate (W) and provided with a showerhead ( 10 ) disposed on its...
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6991455 |
Shutter structure of an oven apparatus used in semiconductor or liquid crystal display processes
A shutter structure of an oven apparatus used in semiconductor or liquid crystal display (LCD) processes includes a hollow housing and an open device, wherein the housing has a front face, a first...
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6957956 |
Vertical heat treating equipment
A vertical heat-processing apparatus ( 1 ) includes a vertical heat-processing furnace ( 2 ) having a furnace port ( 3 ), a lid ( 5 ) movable up and down to open and close the furnace port, and a...
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6884066 |
Thermal process station with heated lid
Methods and apparatuses to improve the temperature uniformity of a workpiece being processed on a heated platen of a thermal processing station. A heated platen is enclosed in a housing...
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6840763 |
Wafer processing apparatus
A wafer processing system which requires no isolation between the operational areas within the processing system. The system of the present invention includes operational areas, such as a loading...
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6830723 |
Apparatus for treating molten metal having a sealed treatment zone
An apparatus for treating molten metal includes a treatment vessel for holding molten metal and a removable cover or hood for the vessel. Sealing means are provided between the cover and the vessel...
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6805555 |
Composite curtain assembly for continuous furnace entrance and exit
An insulating curtain assembly for a continuous furnace, having an extremely durable woven metal-wire covering protecting a thermal insulating fabric which lacks durability. A plurality of...
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6709525 |
Low pressure chemical vapor deposition apparatus of vertical type for fabricating semiconductor devices
A vertical type chemical vapor deposition apparatus includes a process chamber having a cylindrical inner tube and a cap shaped outer tube surrounding and apart from the inner tube. A manifold is...
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6705858 |
Door assembly for rotary furnace
A rotary furnace includes a drum and a frame supporting the drum for rotation about a nominally horizontal rotational axis. The frame and the drum are supported for pivotal movement about a...
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6694683 |
Sight glass retainer system and method for making same
A sight glass retaining system is provided for mounting a sight glass to a support panel, such as for viewing combustion or other processes. The system includes a retainer which forms a continuous...
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6672867 |
Structure for fitting control knobs and a handle onto a control panel of an oven
A structure for fitting a control knob and a handle onto a control panel of an oven of the present invention comprises a control panel, a plurality of positioning sets, at least a control knob and...
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6669895 |
Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
A furnace system for recovering a non-ferrous metal from a charge of material containing the metal. The furnace system has a furnace chamber having walls defining a refractory chamber, the...
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6648637 |
Seal and sealing method for temperature control chamber doors
A system for sealing a lower edge of a temperature control chamber door to a temperature control chamber housing when the door is closed has a pair of opposed radiused corners provided at opposed...
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6609908 |
Replaceable heater cover
A replaceable heater cover including a frame that is shaped to be removably coupled to an outer surface of a heater and an insulating material coupled to the frame. The insulating material is...
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6602069 |
Plug members for steel furnaces
A dart has a metal bar 1 passing through a ceramic, shaped, dart head 2 and then through a cylindrical ceramic dart stem 3 . A sleeve 4 of a carbonaceous or reactive material is provided...
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6554610 |
Methods for constructing a combustion chamber access door and associated apparatus
An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and...
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6547558 |
Methods of making a fuel-fired heating appliance
An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and...
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6531088 |
Automatic door for molten metal holding furnace
A door for molten metal holding furnaces which includes a fixed plate with charging and inspection hole provided with two supports positioned at the sides of the charging hole and with two vertical...
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6419482 |
Opening and closing apparatus of an opening and closing lid of a box accommodating an object to be processed and a processing system of an object to be processed
An opening and closing apparatus ( 52, 54 ) opens and closes an opening and closing lid ( 10 ) which closes an opening part ( 4 ) of an accommodating box ( 2 ) for accommodating an object (W) to be...
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6406662 |
Rotary hearth furnace with charge slot air shield
An apparatus for charging feed material through an opening into a furnace has a fixed structure and a moveable door. The moveable door together with the fixed structure defines the opening. The...
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6330754 |
Door for ear corn dryer
An access door to a pressurized enclosure such as an ear corn dryer swings about an axis of rotation that divides the door into first and second panels. If the door axis of rotation is midway...
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6325621 |
Furnace observation apparatus
A furnace observation apparatus for observing the state in a high temperature atmosphere furnace, which comprises an optical member to be inserted and disposed in a through-hole formed in a furnace...
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6302684 |
Apparatus for opening/closing a process chamber door of ovens used for manufacturing semiconductor devices
An apparatus for opening/closing a process chamber door of an oven for manufacturing a semiconductor device includes a boss formed at one side of an opening of the process chamber, a shaft which...
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6257881 |
Combination CVI/CVD and heat treat susceptor lid
The invention relates to a susceptor lid for use in a CVI/CVD furnace. More specifically, the invention is directed to a lid configured to consecutively run CVI/CVD and heat treatment processes...
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6235121 |
Vertical thermal treatment apparatus
In a vertical thermal treatment apparatus wherein a plurality of semiconductor wafers are held in multiple layers within a wafer boat, the wafer boat is mounted onto a turntable at the upper end of...
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6134385 |
Water free furnace tube with self-heating quartz plug
A furnace tube with quartz plug is configured to have an oxidation performed therein, and at least one elongated protruding portion with an opening on one side of the tube. The furnace also...
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6062851 |
Combination CVI/CVD and heat treat susceptor lid
The invention relates to a susceptor lid for use in a CVI/CVD furnace. More specifically, the invention is directed to a lid configured to consecutively run CVI/CVD and heat treatment processes...
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6055977 |
Windows or the like of heaters, these windows or the like being equipped with an expansion compensation device, and device for this purpose
Disclosed is a window construction for a heater, which generally has a frame and at least one panel fitted on the frame. The frame and the at least one panel are usually made of different materials...
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6017215 |
Expandable panel for environmentally controllable chamber
An apparatus having at least one environmentally controllable chamber with an opening includes a chamber opening covering having at least one expandable portion that is expandable into the chamber...
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6017487 |
Lid of preformed refractory material for metallurgical melting furnace
A lid for a melting furnace includes preformed refractory side panels in the form of circular sectors and a center panel in the form of a circular or octagonal closure. The side panels are inclined...
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6000938 |
Automated door mechanism for heat treating furnace
Disclosed is an automated access door for a heat treating furnace that is controlled via a foot pedal switch. The door affords the user with the ability to use both hands to access the interior...
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5997277 |
Method and a device for recovery of energy from media containing combustible substances even at low concentration
This invention relates to a method and device for recovery of energy from a medium containing combustible substances even at low concentrations. The method is characterized by raising the...
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5997295 |
Inlet/exhaust structure for an outdoor furnace
An all weather inlet/exhaust structure (32) for an outdoor furnace (10,12,14) includes a generally rectangular upper compartment (40) having an imperforate upper wall (42) and horizontally...
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5950572 |
Opening that allows a soot blower lance to be introduced through a tube cage
An opening arrangement in which a sliding plate accommodates a soot blower lance to be inserted into a medium-pressure gas-accommodating space through a tube cage in a boiler heated by waste heat....
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5938852 |
Cap for vertical furnace
A cap for a vertical furnace includes a first flat plate and a second flat plate separated by a predetermined distance, and a plurality of support rods connecting the first and second flat plates....
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5910006 |
Kiln lid mounting assembly
An assembly for use in mounting a lid on a kiln body. An anchor member is mounted on a side surface of the kiln body defined by a metal outer layer of the body, which anchor member has a horizontal...
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5866064 |
Sealing apparatus for compartment inlet/outlet of atmosphere facility
Elastic rotation rolls can be installed easily at optimal positions, and stable sealing performance can be attained for an extended period of time. Seal discs 47 are disposed at both ends of the...
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5803021 |
Boiler access door construction
Apparatus for selectively permitting access to the interior of a boiler and selectively closing off access to the interior of the boiler which includes a frame, a support plate, and a hinge. The...
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5788485 |
Kiln for ceramic dental composition with a pivotally connected bearing arrangement
A kiln has a bottom part with a support for goods to be fired and a top part with a firing chamber. A bearing arrangement including at least one pivot joint pivotably connects the bottom part and...
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5753046 |
Vertical diffusion furnace and cap therefor
A vertical diffusion furnace and a cap therefor are provided to minimize diffusion non-uniformity in a diffusion furnace caused by the positioning of a reaction gas outlet. In the vertical...
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5733116 |
Heat treatment apparatus
A heat treatment apparatus having a heat treatment furnace into which a hydrocarbon gas and an oxidization gas are introduced, wherein an outlet opening of a valve through which a pusher for...
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