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| Number | Title | Issue Date |
| 7628611 | Low conductivity refractory insulation member with fiber mat A thermo-insulation article for a heat absorptive element, e.g., a water-cooled pipe, in a furnace has two parts joined to form a member for covering the pipe. Each part has an interconnected reticulated metal structure embedded in a refractory material. A thermo-in... | 12/08/2009 |
| 7204061 | Fireproof structure and installation method for protecting water pipes A fireproof structure protects water pipes with stable durability even in a high temperature gas environment. Even in a case where it falls off, it does not leave the water pipes suddenly exposed. The fireproof structure for protecting water pipes 25B install... | 04/17/2007 |
| 7195038 | Conduit supports Apparatus and methods for supporting conduits within a sanitary environment. Some supports are configured so as to avoid the formation of surfaces that might collect dust, debris, cleaning fluids, etc. when installed. In one embodiment, the support includes a pair o... | 03/27/2007 |
| 7066242 | Sacrificial refractory shield assembly for use on a boiler tube The refractory shield assembly comprises: a semi-circular, elongate, metal shield; a plurality of spaced apart anchors protruding from the front surface of the shield; a layer of abrasion-resistant refractory material overlying the surface and extending between and ... | 06/27/2006 |
| 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 reheating furnace and a skid apparatus using the same. The skid member ... | 09/20/2005 |
| 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 duct wrap securing the duct wrap on the duct. ... | 06/29/2004 |
| 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 composite of a cast refractory shell which extends radially from ... | 06/10/2003 |
| 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 composite of a cast refractory shell which extends radially ... | 01/30/2001 |
| 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 a plurality of ceramic bodies closely arranged along their... | 11/28/2000 |
| 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 surfaces of the pipe or the web between a pair of pipes. The pi... | 08/15/2000 |
| 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 a cut out slot divided into three sections. The center sec... | 07/13/1999 |
| 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 rider bar which defines an upper contact surface on which a ... | 04/27/1999 |
| 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 with high-temperature-resistant riders. Each rider has a top ... | 04/20/1999 |
| 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 (12). A plurality of car members (20) are movable respectiv... | 04/06/1999 |
| 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 rotary turntable for receiving the glass blanks and a steeri... | 01/12/1999 |
| 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 lining forming depressions (15) and causing the work to be he... | 01/06/1998 |
| 5577909 | Conveyor belt system and heater utilizing said system One aspect of this invention comprises an improved conveyance system comprises an endless flexible belt which circulates through at least two arcs, at least one gripping member attached to the belt, the gripping member having a free end and an anchoring e... | 11/26/1996 |
| 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 which the hot gas impinges. The tile is hung on the tube wit... | 09/24/1996 |
| 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 abrasives (e.g., grinding wheels), coated abrasives, and nonwov... | 02/06/1996 |
| 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 chamber is followed by a rectilinear heat treatment chamber (... | 08/22/1995 |
| 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 in several coils is embedded in each insulating layer. Th... | 08/15/1995 |
| 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 surface to support said charge running off center in the longi... | 04/11/1995 |
| 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 bearing tab. The ramp engages the bearing tab with an interfer... | 06/07/1994 |
| 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 least 60% of Cr and at least 5% of Fe, and having a mean grain... | 02/22/1994 |
| 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 the "skid mark" phenomena of workpieces. The tall supportin... | 02/08/1994 |
| 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 skidrail, a plurality of pipe members extending upwardly f... | 12/21/1993 |
| 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 generally horizontal support surface. The cover block fits verti... | 11/02/1993 |
| 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 so as to provide a reducing gas. The burner has gas inject... | 09/28/1993 |
| 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 cooperative axial engagement such that a single U-shaped ... | 08/24/1993 |
| 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 between the water cooled skid pipes and the object itself... | 08/03/1993 |
| 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. A pre-formed, substantially C-shaped, elongate member sha... | 06/01/1993 |
| 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 the blooms adjacent an exit end of the furnace. The longitud... | 02/09/1993 |
| 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 band which can be applied around the pipe, the two ends secur... | 01/26/1993 |
| 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 about the pipe with the flanges confronting each other, with a... | 10/13/1992 |
| 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 placed between the fixed beams and driven in a rectangular c... | 08/18/1992 |
| 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 ceramic carrier is inserted. The carrier is of sufficient c... | 08/04/1992 |
| 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 taken in and out of the heating chamber, a support on which th... | 12/04/1990 |
| 4973243 | 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 reliably conveys circuit boards and the like through the ... | 11/27/1990 |
| 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 reliably conveys circuit boards and the like through the ... | 11/27/1990 |
| 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 closed end cylindrical furnace enclosure. An annular fan face p... | 10/16/1990 |
