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6945776 |
Method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them
An improved method and a skid member for minimizing the temperature difference between a skid-contacting region and other regions in a hot material to be heated such as a slab or billet within a...
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6755218 |
Duct wrap securing system
A duct to receive duct wrap is provided with a plurality of posts at different locations on and upstanding from the post to protrude through the duct wrap. Wrap retainers fit onto the post over the...
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6575738 |
Composite refractory insulating tile
A pair of composite refractory tiles for insulating fluid-cooled structural members of a metallurgical furnace of the type for re-heating metal billets and slabs. The refractory tiles are a...
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6179610 |
Composite refractory tile for metallurgical furnace members
In a metallurgical furnace of the type for re-heating metal billets and slabs, a pair of composite refractory tiles for insulating fluid-cooled structural members of the furnace. The tiles are a...
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6152087 |
Boiler tube protector and a method for attaching such protector to a boiler tube
A boiler tube protector having a cylindrical or semi-cylindrical shape and adapted to be attached around an outer peripheral face of a boiler tube with mortar, which boiler tube protector includes...
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6102694 |
Pipe refractory insulation for furnaces
Water-cooled pipes of the type utilized to support steel workpieces in reheat furnaces and the like are insulated by preformed, rigid refractory members. Threaded studs are welded to opposing...
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5921772 |
Two piece rider assembly
The two piece rider assembly consist of a base piece that is welded to the skid pipe of a steel slab reheat furnace and a top piece that is removably attached to the base piece. The base piece has...
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5897310 |
Furnace rider bar assembly
Rider bar assembly for a product support beam of a reheat furnace of the type suitable for reheating steel product such as slabs, blooms, bar stock and semi-finished products. The assembly has a...
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5895216 |
Carrying device for supporting a charge in a re-heating furnace
A carrying device for supporting a charge in a reheating furnace is disclosed. The carrying device has several tubular supports through which coolant flows, said tubular supports being provided...
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5890890 |
Kiln assembly
A kiln assembly (10) with a tunnel kiln (12) having an entrance (14) and exit (16). Two parallel guideways (18) are provided extending through the kiln (12), each adjacent a side wall of the kiln...
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5858048 |
Energy efficient, electric rotary furnace for glass molding (repressing) precision optical blanks
A furnace for molding glass blanks includes a housing having a series of electrical heating stations and a rotary door adapted to receive glass blanks for processing. The furnace also includes a...
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5704783 |
Walking hearth furnace
A walking hearth furnace comprising fixed and walking hearths (1 to 3 respectively 4,5) on the refractory lining of which the work (6) is placed. Slanted surfaces are worked into the refractory...
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5558045 |
Refractory tile for open-spaced boiler tubes
A refractory tile adapted for protecting boiler tubes from the corrosive and erosive effects of a hot gas stream comprises an elongated ceramic body covering only that side of a boiler tube upon...
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5489204 |
Apparatus for sintering abrasive grain
An apparatus useful for sintering unsintered abrasive grain precursor to provide sintered abrasive grain. The sintered abrasive grain can be incorporated into abrasive articles such as bonded...
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5443383 |
Pusher type furnace for heat-treating charges
The pusher type furnace comprises an entry chamber (2) associated with a charging device (30) to transfer charge holding devices (a through q) carrying the charges to be heat-treated. The entry...
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5441407 |
Roller for roller-hearth furnaces
The roller exhibits a support body which is provided with a plurality of support disks. Insulating layers are arranged between the support disks. A heat-resistant cable surrounding the support body...
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5405264 |
Device for carrying a charge in a furnace
A device for carrying a charge in a reheating furnaces comprising at least one skid pipe through which a cooling fluid flows, the skid pipe having at least one rider provided with at least one...
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5318076 |
Protective refractory locking mechanism
A device for locking refractory insulation members on support elements in a heat treating furnace, boiler or other piping has a first strap end with a ramp and a second strap end with a raised...
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5288228 |
Heat-resistant materials
A heat-resistant material having excellent high-temperature strength and high oxidation resistance at temperatures exceeding 1300° C. The material is a heat-resistant Cr-Fe alloy including at...
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5284440 |
Water-cooled, workpiece-supporting members for a heating furnace
Tall work-supporting elements, riders or buttons, for reheat furnaces increase the unshadowed area of radiation exposure for the under surface of steel workpieces and thereby significantly reduce...
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5271610 |
Skidrail
A skidrail system for a reheat furnace including a first skidrail extending within the reheat furnace, a second skidrail extending within the reheat furnace in a skewed relationship with the first...
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5257928 |
Rider for furnace support
A rider for use with lengthwise generally horizontal supports in a furnace is formed from an anchor block and a cover block and a locking means. The anchor block is secured to the lengthwise...
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5248255 |
Continuous kiln
The present invention enables a tile or other ceramic wares to have a deep reduced color. A roller hurse kiln 210 includes rollers 214, and a burner mounted in a firing zone adjacent to the outlet...
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5238230 |
Insulation members for slab reheat furnace
Thermal insulation members for water cooling pipes in slab furnaces are provided which eliminate the need for welded attachment of the insulation to the pipes. The refractory material is formed for...
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5232359 |
Device for increasing the thermal radiation heat transfer on an object in a furnace
The invention relates to a method for increasing the thermal radiation heat transfer between a metallurgical reheat furnace and the object being heated within the furnace by increasing the distance...
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5215126 |
Insulation sheaths
An insulation sheath for a pipe in a furnace is provided. The sheath has excellent insulation properties together with adequate resistance to the corrosive environment and thermal shock conditions....
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5184953 |
Water cooling pipe correction to vertically unsymmetrical heating of blooms in walking-beam reheat furnace
Apparatus is provided for decreasing temperature differentials within rectangular metal blooms being heated in a furnace. The apparatus includes elongated internally cooled members located above...
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5181319 |
Squeeze-on insulation for reheating furnace water cooled skid systems
A method for insulating a pipe, including skid pipes for walking beam and pusher type furnaces and the well known over-and-under skid pipe, including providing an appropriately contoured anchor...
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5154605 |
Refractory tile section for reheating furnaces
Refractory tile sections for insulating a pipe, such as a water-cooled pipe, have a pair of refractory tiles with concave faces and outwardly extending flanges. The refractory tiles are placed...
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5139418 |
Device for discharging and transferring steelworks products
Independent installation for discharging, storing and transferring products, such as steelworks products, which comprises fixed beams on which rest the products to be handled, and moveable beams...
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5136610 |
System for carrying a charge in a reheating furnace
The system comprises at least one coolant-carrying tubular support carrying at least one rider. The latter consists of a heat-resistant cast housing provided with at least one cutout into which a...
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4975048 |
Heating apparatus
A heating apparatus comprising a heating chamber the inside of which is heated to a fixed temperature and which is provided with an entrance and an exit through which articles to be heated are...
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4973244 |
Heating system in the manufacture of printed circuit boards, assemblies and the like
Printed circuit boards, assemblies and the like are heated uniformly from edge to edge or to a desired lateral temperature profile while being conveyed through a heating area. The conveying systems...
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4963091 |
Method and apparatus for effecting convective heat transfer in a cylindrical, industrial heat treat furnace
A low cost, improved convective heat transfer furnace is disclosed which includes a cylindrical casing to which is attached blanket insulation and the casing is closed at its ends to define a...
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4906525 |
Heat-resisting supporting member
The present invention relates to a heat-resisting supporting member, such as a skid button, for supporting a heated material, such as a steel plate, in a high-temperature atmosphere within a...
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4900248 |
Skid rail
Disclosed is an improved skid rail used in furnaces, particularly, the furnaces for heating steel pieces for hot processing. The skid rail uses, as the material of the skid members thereof, an...
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4884967 |
Steel reheating furnace
A steel reheating furnace is characterized by a plurality of elongated, longitudinally extending, heating elements and associated skid rails, the skid rails having primary portions laterally offset...
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4838785 |
Walking beam furnace insulation
An improved walking beam furnace insulation in which the leg openings through the furnace floor are provided with insulation to limit the heat losses therethrough and such insulation includes an...
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4828489 |
High speed firing method and kiln, in particular for ceramic materials such as tiles and the like
A method, and a kiln, by and in which to fire ceramic tiles (8), or similar items, which are taken along a given path each stage of which is singular in terms of temperature level and other...
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4820150 |
Walking beam type reheating furnace
A walking beam type reheating furnace which is provided with a furnace housing, stationary beams fixedly mounted in the furnace housing, first movable beams arranged on the charge side in the...
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4815969 |
Heat loss reduction in rotating drum dryers
A drum dryer for use in the manufacture of bituminous concrete asphalt is provided with a jacket including a layer of ceramic fiber insulation bonded to an outer sheath of aluminum, the jacket...
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4776790 |
Refractory shields for curved and straight superheater tubes
Straight and arcuately curved superheater tube shields of refractory material comprising a pair of elongated half shields of identical interchangeable interfitting and interlocking size and shape,...
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4747775 |
Skid beam for heating furnaces of walking beam type
A skid beam for use in a walking beam type heating furnace which has operating temperature exceeding 1000° C. comprises a hollow skid pipe of heat resistant alloy, skid buttons provided upright on...
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4732796 |
Refractory sheathing for pipes in preheating furnaces
A refractory sheathing (1) of incombustible, compressed, flat insulating bodies (8) made of mineral or ceramic fiber for thermally insulating pipes (10) in preheating furnaces fired from below in...
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4689009 |
Skid system for carrying a furnace charge
A skid system for carrying a charge in a pusher or walking-beam furnace incorporating a cooled skid pipe 3 and at least one rider 1 fitted on the skid pipe for carrying the charge in the furnace...
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4687027 |
Insulator for water-cooled skid and crossover pipe network
A refractory insulator for insulating the joint between a long skid pipe, a supporting crossover pipe at right angles, and a riser for supporting both. The insulator comprises two halves each...
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4682568 |
Refractory shield for superheater tubes
A superheater tube shield of refractory material comprises a pair of elongated half shields of identical interchangeable interlocking size and shape, each half shield having a semi-circular...
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4629422 |
Frame apparatus for supporting workpieces in a reheat furnace
Spaced-apart skid frames support workpieces in a reheat furnace. Each skid frame includes a plurality of spaced-apart rails arranged to extend along the path of travel of the workpieces in the...
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4609347 |
Skid button structure
A walking beam type heating furnace for steels has a conventional skid pipe through which a coolant flows, a skid button made of a ceramic material, a base fixed to an upper portion of the skid...
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4604056 |
Vacuum furnace system hearth
The present hearth is composed of a plurality of support bars, which are made of graphite in the preferred embodiment, and which are arranged to be parallel to the length of the hot zone chamber...
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