Abstract: An apparatus and method is disclosed for continuously sintering a web of multiple layers of media material with a sintering furnace. In a preferred form of the invention, a plurality of web media materials are interposed between refractory materials and are simultaneously sintered in the sintering furnace. Following sintering the plurality of web media materials are separated from the refractory materials and the web media materials are independently rolled onto a plurality of output rollers. A tension device applies a tension acting upon opposed ends of the refractory materials for maintaining a constant tension therebetween for maintaining a constant force on the upper and lower surfaces of the plurality of media materials.

Abstract: This invention is for a novel method of treating carbon fiber. Carbon fiber is a very unique material and its processing requires high temperatures. Also since carbon fibers are lightweight and porous, heating is accomplished in this process by radiation with a heated gas flowing through the material. Also a float is used to transfer the material from one process station to another so as to prevent delaminating of the carbon fiber.

Abstract: A sealing box for a chamber for continuously treating a thin strip product, in particular for a furnace for continuously carbonizing a fiber substrate.

Abstract: Strip guiding device for guiding hot metal strip, comprising a frame, a support construction which is accommodated in the frame in such a manner that it can rotate about an axis, drive means for the stepwise rotation of the support construction in the frame, at least two supporting rolls which are rotatably and removably arranged in the support construction, insulating means which are connected to the support construction and are positioned between the supporting rolls, and cooling means for cooling each supporting roll, in which device the cooling means for each supporting roll comprise a cooling body which is connected to the support construction, each cooling body extending in the longitudinal direction of the associated supporting roll, externally delimiting this roll over part of the circumference, and being positioned at a distance from the support roll, each cooling body cooling the associated supporting roll as a result of direct radiation from the said roll.

Abstract: A radiation furnace assembly for use in heating parts. The radiation furnace assembly includes a muffle having a top side, a bottom side, and a first side wall. The muffle defines a chamber with a main heating portion and a first side heating portion. Disposed adjacent to the muffle are top and bottom heating elements. A first control device is used to adjust the temperature of at least one of the top and bottom heating elements thus controlling the temperature within the main heating portion of the chamber. A first side heating element is disposed adjacent to the first side wall of the muffle. A second control device is used to adjust the temperature of the first side heating element independently of the top and bottom heating elements to increase the temperature within the first side heating portion of the chamber relative to the main heating portion.

Abstract: In an apparatus for heat treating a material web that enters and exits the apparatus through respective gaps, an air cushion generating unit includes a slot nozzle through which a ventilator blows a laminar flow of air, which then flows laminarly along a convexly curved surface of the unit, to form a laminar air cushion which flows directly along the material web through one of the gaps, then expands outside of this gap, and is sucked back into the air cushion generating unit and recirculated through the slot nozzle. The laminar air cushion steadily holds and supports the material web so that the mechanical gap size can be reduced while reducing losses of hot process air and still avoiding physical contact with the material web.

Abstract: Strip guiding device for guiding hot metal strip, comprising a frame, a support construction which is accommodated in the frame in such a manner that it can rotate about an axis, drive means for the stepwise rotation of the support construction in the frame, at least two supporting rolls which are rotatably and removably arranged in the support construction, insulating means which are connected to the support construction and are positioned between the supporting rolls, and cooling means for cooling each supporting roll, in which device the cooling means for each supporting roll comprise a cooling body which is connected to the support construction, each cooling body extending in the longitudinal direction of the associated supporting roll, externally delimiting this roll over part of the circumference, and being positioned at a distance from the support roll, each cooling body cooling the associated supporting roll as a result of direct radiation from the said roll.

Abstract: A seal roll apparatus and method hermetically seals boundaries between a plurality of heat-treating sections for continuously heating and cooling a strip material in a continuous heat-treatment furnace. The seal roll apparatus includes a seal roll room including at least a pair of water-cooled seal rolls opposed to each other with a gap therebetween for passing the strip material, and partitions having an opening for passing the strip material, a partition being provided at the inlet side and at the outlet side of the seal rolls.

Abstract: A heat treatment apparatus includes rollers that slide and move an image recording sheet on the surface of a heating member while pressing at least a portion of the sheet against the surface of the heating member. The temperature of a dummy unit, provided at a position adjacent to the rollers, is measured by a temperature sensor. The measured temperature has a relationship with a change in the temperature of the rollers. Temperature control is performed based on the measured temperature in order to adjust the temperature of the rollers. A cushion disposed on a surface of the heating member is arranged to moderate the pressure which is exerted by the rollers on the sheet. A pulling mechanism provides a tension to the cushion, which is detachable from the heating member.

Abstract: In a method and a device for thermal treatment of a continuous product web by blowing of steam, a product web is transported through an inlet slot, an interior of the housing and an outlet slot and steam is blown onto the product web through nozzle openings of nozzle boxes, steam is blown onto the product web before the inlet slot of the housing in a sluice.

Abstract: A vertical heat treating furnace for passing a metal strip, therethrough for heat treatment and a hearth roll applied to a heating/soaking furnace of the vertical heat treating furnace are disclosed. The hearth roll can be configured such that the taper angle of each of first taper sections continuous to a flat section at a central portion of the hearth roll from a roll axial direction is larger than the taper angle of each of second taper sections continuous to each of the first taper sections from the roll axial direction. The length Lc (mm) of the flat section and the length L1 (mm) of the first taper section can satisfy the following relationships: 0.5 Wmin≦Lc≦Wmin and Wmin≦Lc+2×L1≦Wmax−400, where Wmin is the minimum width (mm) of the metal strip, and Wmax is the maximum width (mm) of the metal strip.

Abstract: A method of creating image-bearing electronic signals from an imagewise exposed and processed color negative photographic element is disclosed. The color element is especially suited for preloading in a one-time-use camera and is capable of producing images that, when scanned, converted to electronic form and then converted to a viewable form, exhibit excellent color, reduced granularity and improved sharpness. The photographic elements contain blue, green and red recording layer units capable of forming spectrally differentiated dye images. The layer units are substantially free of colored masking coupler, and each exhibit a dye image gamma of less than 1.5. The element exhibits an exposure latitude of at least 2.7 log E. The gamma ratios of the blue, green and red recording layer units are between 0.80 and 1.2.

Abstract: A continuous heat treatment furnace having one of a plurality of furnace zones except for first and last zones as a rapid cooling zone 11 for rapidly cooling a material by blowing an atmospheric gas, which comprises a roll-sealed chamber 3 partitioned at the inlet by first and second roll sealing devices 4A and 4B from the upstream and a third roll sealing device 4C at the outlet as sealing means for atmospheric gas, and in which the inlet of the first roll sealing device and the outlet of the third roll sealing device are connected, and/or the roll-sealed chamber and an uppermost stream portion 6 in the rapid cooling zone are connected, and in which the hydrogen concentration in the furnace is controlled to 10% or higher in the rapid cooling zone and is controlled to 10% or lower in the furnace zone at the inlet of the rapid cooling zone.

Abstract: A method and apparatus for selectively providing convective heat to an object with a dual mode convection oven that is alternatively operable in either a running mode or a bypass mode. Convective heat is channelled into a supply hood through a supply duct. Convective heat is also channelled out of a suction hood through a return duct. An operating mode for the convection oven is selected. If the selected operating mode is the running mode, then convective heat is applied to the object by channelling the convective heat from the supply hood through a heat application zone and into the suction hood, the heat application zone being positioned between the supply hood and the suction hood.

Abstract: A continuous furnace for baking ceramic molded parts has a heating area (14), a baking area (16) and a cooling area (18). At least one smoke gas duct (22) extends from the heating area (14) into a combustion chamber (24) and at least one hot air duct (28) leads back from the combustion chamber (24) to the heating area (14). Hot air loaded with binder fractions is extracted from the heating area at one or several spots. The combustion gases are then led into a combustion chamber where they are burned, so that a largely purified hot air may then be led back to the heating area.

Abstract: A method and apparatus is disclosed for heating metal billets or other separate pieces of metal in a continuous furnace using two different burner systems. The primary burner system provides the majority of available heat at relatively high flame temperatures. The secondary high velocity burner system extrains how furnace products of combustion that impinge around on the load. Thus, heat transfer and temperature uniformity is improved by forcing hot gases between the metal pieces.

Abstract: In order to prevent air pollution, gases evaporated from articles preheated in a preheating chamber of a continuous furnace are automatically and compulsorily sucked into a high-temperature chamber annexed to the preheating chamber by creating a negative pressure working in the high-temperature chamber. After the gases have been completely oxidized and decomposed in the high-temperature chamber at a high temperature and under an excess of oxygen, they are exhausted outside of the furnace via an exhaust-pipe extending through the preheating chamber, so that they join to heat the preheating chamber.

Abstract: Disclosed is a method of firing a green ceramic honeycomb structural body containing an organic or carbonaceous material which is characterized by removing at least a portion of the carbonaceous material released prior to reacting within the firing atmosphere during the initial firing of the green honeycomb structural body. A tunnel kiln is also disclosed, which comprises a vestibule region, a carbonaceous material release region, having a plurality of removal zones, located downstream of the vestibule region and a sintering region located downstream of the carbonaceous material release region. The tunnel kiln further includes an exhaust removal system which operatively communicates, via offtake openings located in each removal zone, with the release region for removing released carbonaceous material.

Abstract: A method of forming a protective overcoat on a photographic element including the steps of providing a photographic element having a silver halide light-sensitive emulsion layer; applying a hydrophobic polymeric coating over the silver halide light sensitive emulsion layer; fusing the hydrophobic polymeric coating to the photographic element over the silver halide light sensitive emulsion layer to form a protective overcoat; by passing the photographic element through a nip formed between a heated fuser belt having a resin made by curing a composition including siloxanes and a roller to fuse the hydrophobic polymeric coating to the photographic element, wherein the siloxanes having a ratio of difunctional to trifunctional units of 1:1 to 1:2.7 and at least 90% of total number of functional units in the siloxanes are difunctional and trifunctional units, a weight average molecular weight of 5,000 to 50,000 grams/mole, and an alkyl to aryl ratio of 1:0.1 to 1:1.2.

Abstract: An apparatus for drying a moving substrate containing a multiplicity of infrared emitters and a detection emitter and a device for supplying a mixture of air and gas to these emitters. The detection emitter contains an emitter body with a diffuser for distributing a fuel-oxygen containing gas mixture, a primary radiator having a combustion surface integrally connected to the emitter body, a first detection electrode, and a second detection electrode; each of these detection electrodes sends a signal to a control means when it senses the presence of flame-induced ionization. If the control means receives a signal from one but not both of these detection electrodes, it will continue supplying the air/gas mixture to the emitters. However, only when the control means ceases receiving a signal from both of the detection electrodes will it ceases allowing the supply of the air/gas mixture to the emitters.

Abstract: An oxidation oven for use in the production of carbon fibers from a polyacrylonitrile precursor fiber. The oven has an oven chamber formed by sides and ends. At least one of the ends has a first opening and a second opening. The product passes through the openings for treatment in the oven chamber. The oven is also provided with a first nozzle adjacent the first opening and a second nozzle adjacent the second opening. Each nozzle is effective for discharging air from an air flow pathway into the oven chamber and forming an air curtain at the opening to which it is adjacent. An air bar defines the air flow pathway.

Abstract: Apparatus which eliminates the risk of forming wrinkles on a strip conveyed through a cooling furnace of a continuous heat-treatment plant, especially an annealing or galvanizing furnace, through which the strip is conveyed by rolls, the latter being heated by contact with the strip over its width, the risk of forming wrinkles occuring during a change of strip width when the following strip is wider, the latter consequently passing over rolls that have preserved the imprint of the thermal expansion due to the previous strip, wherein the heating elements are positioned close to and beneath the rolls, over the entire width of the furnace, and, on the opposite side of the rolls from the said heating elements, panels are positioned which are aligned so as, together with the wall of the furnace, to form a warm chamber, the continuously moving strip serving as a heat shield so that only that part of the roll which is not covered by the strip is heated by the said heating elements.

Abstract: A method of winding a polymer film web around a cylindrical core, where the core is heated by blowing hot-air against the core prior to winding the polymer film web, and the polymer film web is wound around the heated core while blowing hot-air against the polymer film web. In another embodiment of the winding method, the polymer film is wound while knurled along both edge parts in the width direction of the film to form knurls so as to gradually decrease in the thickness thereof from one end of the film that contacts with the core toward the other end of the film. Furthermore, a heat treating method for annealing a film roll and a heat treating apparatus therefor are disclosed, which method comprises the steps of surrounding the film roll with heat insulating panels and blowing hot-air against the film roll in the direction along the core axis while rotating the core intermittently or continuously at a rotary speed of from 0.04 to 4 revolutions per hour.

Abstract: A heated fuser member for use in electrostatographic, including digital, apparatuses, having an elastomer layer, anisotropic fillers, and optional fluorocarbon powder fillers, and the anisotropic filler is oriented in the elastomer layer so as to maximize heat transfer.

Abstract: An activation furnace for activating a fiber sleet having carbonized yarn filaments includes a horizontal activation enclosure containing a heater, an inlet section and an outlet section through which the fiber sheet travels. A supply of oxidizing gaseous fluid is provided within the enclosure, that further includes one heat treatment zone and, at opposite ends of the enclosure, a temperature-raising zone and a temperature-lowering zone. The inlet and outlet sections are fitted with airlocks connected to cooling and suction devices.

Abstract: A thermal treating apparatus and process providing convection thermal transfer for elevated processing temperatures and chemical treatment. A recirculation plenum for passage of spent treatment fluid from and fresh treatment fluid to a treatment chamber may contain a thermal control source, a chemical control source, and a blower to provide predetermined programmable temperatures and chemical environments to articles in the treatment chamber. Decreasing cross sectional areas along the length of the treatment chamber cause introduction of fresh treatment fluid at different locations along the length of the treatment chamber to achieve desired uniform thermal and chemical treatment of articles along the length of the treatment chamber.

Abstract: A device for continuous thermal treatment of multidimensional sheet structures consisting of fibers (18) made of polyacrylonitrile or substantially polyacrylonitrile comprises a furnace (23) with chamber-like sections, through which sections the sheet structure is continuously moved on a gas permeable transport track (21). In each of the chamber-like sections there is a gas stream flowing through the sheet structure perpendicular to the sheet structure. In every section, devices measure the parameters of the gas stream temperature, pressure and gas flow above and below the sheet structure to control the operation of heating elements (26), fans (27) in the approach flow region, and fans (28) in the outflow regions of every section. These parameters are adjusted to predetermined values necessary for an effective and precise thermal treatment of the sheet structures (18).

Abstract: A process and apparatus for drying material, in which a previous dried material is mixed into the wet material to be dried to produce a dried mixture of different particle sizes. The process for drying material requires less industrial equipment implemented in a more economical and simpler plant that can be operated with low energy and maintenance requirments. The amount of fine material obtained after drying is measured and the amount of fine previously dried material mixed into the wet material to be dried is then set in inverse proportion to the quantity of fine dried material produce.

Abstract: This device comprises: two pairs of lateral flanges rotatably mounted respectively on a shaft pivoting in the frame of the furnace, each pair of flanges receiving a strip support roll by the agency of removable fastening means; means for driving said pairs of lateral flanges, ensuring that their angular displacement is synchronized during the interchange operations; central buffer provided with raising means, which is designed to shut off the orifice provided in the hearth of the furnace, for carrying out the operations of discharging a roll outwards from the furnace containment at the end of an interchange operation; two raisable buffers, one for each support roll, which may be displaced in a vertical translational movement in order respectively:to ensure the sealing of the orifice provided in the hearth of the furnace during the roll interchange phase;to ensure that the rolls are supported when the roll bearings are demounted in order to remove the inoperative roll from the corresponding flanges, andto carr

Abstract: A preheater and method of preheating a thermoplastic sheet prior to entry of the sheet into a differential pressure forming machine which forms an article in the sheet. The preheater includes mechanism for initially threading a sheet in a generally horizontal plane, mechanism for concurrently displacing upstream and downstream portions of the sheet in vertically opposite directions relative to the horizontal plane to dispose a portion of the sheet in an upstanding plane. A heater is provided for heating the upstanding portion of the sheet in the upstanding plane. After the sheet has been repositioned with a portion in the upstanding plane, the heater is laterally moved from an inoperative position to a sheet heating position receiving the portion of the sheet at the sheet heating station. Mechanism is provided for selectively moving the sheet downstream after the sheet has been vertically displaced.

Abstract: A heating system for heat treating a continuous sheet-like material includes an input end and an output end and a path defined therebetween that extends between the input and output ends for the material to be treated. At least one section of the heating system includes an upper movable heater and a lower stationary heater disposed on confrontingly opposite sides of the material path. A heater lifter is connected to the movable upper heater for operatively displacing the upper heater between a first position for imparting a curing type of heat treatment and a second position for imparting an annealing type of heat treatment to the continuous sheet material as it is advanced through the heating system.

Abstract: A heat treatment furnace for fiber for heat-treating a fiber bundle (yarn) formed of many continuous filaments in hot gas while running the yarn. The heat treatment furnace has a plurality of heat treatment chambers provided in a furnace body. The temperature in each individual heat treatment chamber is independently adjusted to a temperature which is different from the temperatures in the other heat treatment chambers. Thereby, the heat treatment furnace can be made small and is able to heat-treat fiber efficiently.This heat treatment furnace is useful, particularly, as a heat treatment furnace (an oxidizing heat treatment furnace, or a oxidizing furnace) for producing an oxidized fiber needed to produce a carbon fiber.

Abstract: A method of winding a polymer film web around a cylindrical core, where the core is heated by blowing hot-air against the core prior to winding the polymer film web, and the polymer film web is wound around the heated core while blowing hot-air against the polymer film web. In another embodiment of the winding method, the polymer film is wound while knurled along both edge parts in the width direction of the film to form knurls so as to gradually decrease in the thickness thereof from one end of the film that contacts with the core toward the other end of the film. Furthermore, a heat treating method for annealing a film roll and a heat treating apparatus therefor are disclosed, which method comprises the steps of surrounding the film roll with heat insulating panels and blowing hot-air against the film roll in the direction along the core axis while rotating the core intermittently or continuously at a rotary speed of from 0.04 to 4 revolutions per hour.

Abstract: This invention relates generally to a belt type furnace. More specifically, this invention relates to a belt type furnace that sequentially stops the belt at the vicinity of at least one heater, and where the heater comprises at least two heating elements.

Abstract: This invention relates generally to a belt type furnace. More specifically, this invention relates to a belt type furnace that sequentially stops the belt at the vicinity of at least one heater, and where the heater comprises at least two heating elements.

Abstract: A device for heat treatment of continuous material webs with hot steam has a substantially sealed housing having at least one chamber, a blower having a shaft, a drive arranged outside of the housing and connected with the shaft with the blower, a heater provided with conduit for supplying gaseous or liquid substances, nozzles with nozzle openings facing toward a material web to be heat treated, an element for transporting the material to be treated through the housing, the housing having a bottom, the shaft and the conduits extending through the bottom of the housing.

Abstract: A heat-controlling device is provided with a transporting carriage for supporting and transporting a semiconductor substrate and a heating device having a plurality of heaters which apply heat in the width-wise direction of the heat-receiving member that is perpendicular to the transporting direction thereof and which are individually controlled by a controller. The controller only operates a set of the heaters that are adjacent the semiconductor substrate. Among the heaters being operated, those heaters, which are located at at least the leading end and the rear end in the transporting direction, have their outputs successively varied in accordance with the movement of the semiconductor substrate. Thus, it becomes possible to easily narrow the temperature distribution of the semiconductor substrate merely by controlling the output of the heaters.

Abstract: Disclosed is a paint drying furnace for baking and drying paint films on painted objects following a painting process. In the furnace of the invention, a shunt gas passage is provided for dividing a gas outputted from inner gas passages of a radiator means from a position of a radiator circulating gas passage upstream of a connecting point of a fresh air passage and mixing this divided gas into the gas circulating through the furnace interior circulating gas passage. With provision of this shunt gas passage, a combustion type radiator heating device acts also as furnace interior heating means.

Abstract: A cooling article includes a plate positioned adjacent the exit of a thermal processor. The plate has a surface for receiving a sheet of thermally-processed material such that the sheet of thermally-processed material moves along the surface. A first region of the surface of the plate adjacent the exit of the thermal processor includes a thermally insulative material, whereas a second region of the surface of the plate on a side of the first region opposite the exit of the thermal processor includes a thermally conductive material. The sheet of thermally-processed material contacts the thermally insulative material during movement in the first region, and contacts the thermally conductive material during movement in the second region. The thermally insulative material prevents excessive heating of the first region of the cooling plate by leading portions of the sheet of thermally-processed material.

Abstract: A curing device for drying bonding material used for bonding, for example, chips to a lead frame for semiconductor devices including a workpiece heating chamber casing having heating blocks for heat-drying the bonding material and a gas supply chamber casing provided above the workpiece heating chamber casing so as to cover the heating chamber casing and to supply a high-temperature gas to the surfaces of the heating blocks, and the gas supply chamber casing is constructed so that it can be opened and closed with respect to the workpiece heating chamber casing, assuring easy access to the inside of the heating chamber casing for various works such as cleaning of the heating blocks, etc.

Abstract: A method and apparatus for heating a product which includes a plurality of tapered ducts in a cabinet above and below a conveyor to form streams which are directed toward the product. Spent air is drawn through return ducts which have intake openings centered between entrance and exit openings in the cabinet and centered between lateral edges of a conveyor and between the tapered ducts to provide a balanced flow of spent air in the cabinet to the return opening. Temperature controlled gas is delivered at an angle through an array of openings adjacent opposite edges of an opening through which a conveyor extends to cause most of the heated air to be drawn to the return duct opening and to maintain internal pressure in the cabinet to prevent ingress and egress of air through the opening.

Abstract: Knurling is applied to both side edge portions of a high-molecular film and then the film is wound up. A packing agent is applied to the knurled portions to enclose air at the time of winding in spaces between wound film layers and the film is put into an annealing isothermal chamber while contact between the wound film layers is prevented by the air. Preferably, the high-molecular film is made to pass through a heating zone just before the winding so that the high-molecular film after heated is wound up. More preferably, the winding core used for winding is a hollow porous winding core and high-temperature pressurized air is blown out onto the film through the hollow porous cylindrical surface.

Abstract: A vertical bright-annealing furnace 1 for metal strips includes a muffle-type heating station 12, a refractory-type heating station 13. The refractory-type heating station 13 includes a shell 24 lined with a heat-insulating material 26 and a second heater 27. These two stations 12 and 13 are connected to one another by a flexible connecting unit 14 which is extensible in the longitudinal direction of the heating zone. A metal strip S conveyed in the furnace 1 is heated in the muffle-type heating station 12 and subsequently heated in the refractory-type heating station 13 up to a predetermined temperature, for example, about 1,100.degree. C. According to this constitution, a large-sized vertical annealing furnace may be constructed. Also, the period of durability of the muffle may be extended, the running expenses may be decreased, and metal strip having good brightness may be produced.

Abstract: A heat treatment apparatus for yarn including a plurality of heat treatment apparatuses provided for a plurality of spindles, respectively, disposed at horizontally spaced intervals. The heat treatment apparatus provided for each of the spindles, includes a heat treatment tube through which at least one yarn passes, and a heat insulating jacket to surround the tube. An orifice having a throttling function is provided upstream of a part which provides communication between the heat insulating jacket and the heat treatment tube, while a nozzle for injecting a heated fluid is provided in the heat treatment tube downstream of the communication part. The throttling orifice is arranged to have a fluid resistance greater than the fluid resistance of the nozzle.

Abstract: 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 end, and a biasing means which biases the anchoring end of the gripping member toward the surface of the conveyor belt, wherein the gripping member is open as it traverses an arced path and is closed as it traverses a straight path. A workpiece is loaded as the gripping member traverses the first arc, and offloaded as the gripping member traverses the second arc, Preferably, the first arc has a greater radius than the second arc. The inventive also comprises a heater utilizing the conveyance system.

Abstract: This invention discloses a furnace in which hot gases are discharged from heaters to provide uniform heating to printed circuit boards commonly used in the electronic industry. Outside air is prevented from flowing into the furnace, so as to reduce and to stabilize the concentration of oxygen. The furnace 1 is designed with an air tunnel 2 to separate it into upper and lower sections which are fitted with hot air blow type heaters 5a, 5b. The hot air discharged from the heaters in the upper and lower sections flow in opposite directions to create a counter-flow of gases. Each individual heater can produce its own hot air circuit. They are designed with the blowing outlet and suction inlet in the same structure with the blowing outlet fitted with a redirectional flow plate 18 which directs the hot air to the suction inlet.

Abstract: A cooling article adapted for use with a thermal-processing apparatus for cooling a thermally-processable element after the element is heated by a heating member within the thermal-processing apparatus. The cooling article can include a cooling plate having a textured and/or perforated top surface positionable relative to the heated member so that the sheet slides on the top surface.

Abstract: In a continuous oven for making baked ware comprises a baking belt, which extends through an elongate oven space, and upper and lower radiant heaters, which are flown through by heating gas and are included in a heating gas circulating circuit, which comprises a heat exchanger, which is arranged to be heated by the nesting gases being recycled and serves to neat the air that is to be supplied to the oven space The heat exchanger is included in the heating gas circulating circuit between the radiant heaters and the exhaust gas outlet and in an air circulating circuit provided with a water vapor outlet and a fresh air inlet is disposed between the fresh air inlet and the oven space.

Abstract: Coiler furnaces of the type used with reversing rolling mills are provided with a strip guide for guiding the leading edge of the incoming steel strip into engagement with the slot in the winding drum of the coiler furnace. According to the present invention, the strip guide is designed as a dual purpose strip guide provided with a cleaning element (e.g. a scraper blade or abrasive element) fixed to the distal end of the strip guide for contacting and cleaning the exterior cylindrical surface of the winding drum when the coiler furnace is otherwise idle.

Abstract: An impeller for a high-temperature gas blower suitable for a floating conveyor furnace, having vanes each formed of a dispersion-strengthened alloy which includes as a disperse or internal phase 0.1-2.0% by weight of finely divided particles of an oxide of a high melting-point metal, such as Y.sub.2 O.sub.3, Ce.sub.2 O.sub.3, ZrO.sub.2, Al.sub.2 O.sub.3 and Gd.sub.2 O.sub.3, preferably dispersed in an austenite matrix or external phase of Cr, Fe, Al, Ti and Ni. A gas blower having such impeller, and a furnace using such gas blower are also disclosed.