Abstract: A system for reducing discharges from an oven prior to opening an oven door. In particular, the system includes a housing forming a cooking compartment arranged within the oven. The system also includes a purge passage extending through the housing into the cooking compartment and a cover arranged over a portion of the purge passage to removeably block the purge passage. An expelling port is included that extends from the cooking compartment through the housing. A controller is configured to remove the cover from blocking the purge passage to inject air into the cooking compartment through the purge passage and displace substances within the cooking compartment through the expelling port.

Abstract: The invention relates to a stove for producing denture and or the parts thereof comprising a combustion chamber and a heating device which is arranged therein and provided with a heating spiral consisting of an appropriate resistance wire and a support for the heating spiral. The aim of said invention is to better use the heating energy and make it possible to easily replace the heating device. For this purpose, the heating spiral is arranged on the external part of the support.

Abstract: A showcase including an electric heater in a rack. The rack can be inexpensively constituted to be light in weight, and processing of an electric heater leader line can be facilitated. The showcase includes the electric heater in the rack for displaying commercial goods. The rack includes a metal main body and edge members made of resins. The edge members are mounted to front and rear parts of the main body. An insertion hole for mounting a partition member to partition the rack is formed in the edge member. An insertion hole for mounting a guard to prevent falling of the commercial goods is formed in the edge member mounted to a front edge of the main body.

Abstract: An improved food oven apparatus and related methods for preparing food utilizing digitally controlled heating elements and a smoker unit. User-operable controls in communication with a digital controller allow for independent control of the heating elements and the smoker unit. One or more electric fans can be provided for reducing condensation from forming within a control unit of the food oven. A heating element connection assembly can also be provided for reducing stress exerted on the heating elements caused by the repeated expansion and contraction of the compartment. The food oven can also be provided with an air cleaning apparatus configured to perform a multi-stage cleaning process, thereby eliminating the need for a separate fixed hood system.

Abstract: A device is provided to heat the whole heated surface of a carried member carried intermittently with a temperature change over time maintained constant. The device controls the driving of a belt-conveyer so that a heater moves in a carrying direction at a carry time movement velocity that is slower than the carry velocity of a TAB tape if the TAB tape is in a carried state. On the other hand, the heater moves in an opposite carrying direction at a carry standby time movement velocity derived from the difference between the carry velocity and the carry time movement velocity if the TAB tape is in a carry standby state.

Abstract: An overheated steam oven which is suitable for home use by simplifying a construction and reducing a size of the overheated steam oven, and which minimizes energy loss by effectively reducing heat loss due to an insulating construction thereof, and which evenly cooks foods and improves cooking efficiency by evenly heating the foods in a cooking cavity. The overheated steam oven of the present invention includes a cabinet to define a cooking cavity therein, an overheated steam generator to supply overheated steam into the cooking cavity, and a steam dispersion unit mounted to a steam inlet port of the cooking cavity to evenly discharge the overheated steam into the cooking cavity while preventing the overheated steam from being directly discharged onto foods.

Abstract: This invention discloses an electric oven with detachable liners includes a front door, a control panel and a rear shell; inside the rear shell is an inner chamber where an electric heater and a baking rack are installed; wherein, said electric oven further includes at least one piece of detachable liners, each detachable liner is in the shape of plane plate and is detachably installed at the inner side of said inner chamber. By adding the detachable liners, the inner chamber of the electric oven can be always kept clean and new. Besides, it is convenient to put the detachable liners into conventional dish washing troughs or dish washing machines for soaking and cleaning. The present invention is widely applicable to conventional electric ovens by modification of the existing ovens and addition of the detachable liners.

Abstract: A bottom electric heating element for an oven wherein the electric heating element is positioned in a recessed portion in the oven bottom and has at least one corrugated ribbon of conductive material partially embedded in an insulating base. A glass panel is positioned over the recessed portion and on a compressible heat resistant gasket. The glass panel is transparent or semi-transparent, high temperature resistant and high impact resistant. A frame extends around the glass panel and fastens it to the oven bottom while partially and resiliently compressing the gasket to support the glass panel.

Abstract: A counter-top cooker includes a base, a cooking chamber having a top end and a bottom end supported on the base, and a power head attached to the top end of the cooking chamber. The power head includes a heating element and a fan for directing airflow over the heating element and into the cooking chamber. The cooker also includes another heating element provided in the cooking chamber proximate the bottom end of the cooking chamber.

Abstract: An overheated steam oven including a cabinet to define a cooking cavity therein, and an overheated steam generator to supply overheated steam into the cooking cavity. The overheated steam generator includes a steam generating vessel of which an outlet is connected to and communicates with the cooking cavity, with a predetermined amount of water contained in the steam generating vessel. A first heater is installed in the steam generating vessel to be immersed in the water contained in the steam generating vessel so as to generate steam, and a second heater is mounted to an upper portion in the steam generating vessel so as to overheat the steam generated by the first heater.

Abstract: A steamer apparatus for steaming bread-type food products includes a housing defining a steam chamber having a heated platen therein. A water conduit delivers water onto the heated platen to convert the water into steam in the steam chamber. The water in the conduit is preheated by the heated platen, itself, prior to delivering the water to the heated platen.

Abstract: An overheated steam oven which cleans an interior of a cooking cavity of the overheated steam oven using hot water and overheated steam, and executes a cooking operation using the overheated steam. The overheated steam oven includes a cabinet to define the cooking cavity therein, an overheated steam generator to supply overheated steam into the cooking cavity, and a cleaning unit to spray water from an interior of the overheated steam generator into the cooking cavity to clean the interior of the cooking cavity. A control method of the overheated steam oven includes spraying the water into the cooking cavity by use of the cleaning unit in response to a cleaning start signal, thus cleaning the interior of the cooking cavity, and supplying the overheated steam from the overheated steam generator into the cooking cavity after the cooking cavity is cleaned, thus drying the interior of the cooking cavity.

Abstract: An overheated steam oven including a cabinet to define a cooking cavity therein, and an overheated steam generator to supply overheated steam into the cooking cavity. The overheated steam generator includes a first vessel containing a predetermined amount of water therein, and a second vessel of which an upper portion is placed in the first vessel, so that an inlet provided at the upper portion of the second vessel communicates with an interior of the first vessel. The second vessel has an outlet provided at a lower portion of the second vessel and connected to the cooking cavity. The overheated steam generator further includes a first heater which is installed in the first vessel to be immersed in the water contained in the first vessel to generate steam, and a second heater which is installed in the second vessel to overheat the steam generated by the first heater.

Abstract: A low wattage slow cooker featuring a wrap-around heating element for heating the side walls of the cooking vessel and a top heating element for browning food items is disclosed. The top browning element is integrated into a lid assembly of the cooker and is provided with quick connect/disconnect electrical connectors, which provide for convenient removal of the lid assembly for food service, cleaning, and storage. The wrap-around heating element and the top heating element are interconnected by a controller for heat regulation and selectively energizing the desired heating elements individually or in combination. The wrap-around heating element and the top heating elements are constructed in alternative embodiments utilizing different configurations of resistance wiring for versatility in manufacturing and cooking applications. All embodiments of the present slow cooker are provided with a heatproof ceramic or glass cooking liner, which acts as an heat insulator.

Abstract: A roasting oven having a large capacity heating well including a wrap-around heating element for heating the side walls thereof and a top heating element for browning. A function control panel featuring a touch-film interface and digital display of cooking modes is provided for the user's convenience. The heating elements are fabricated in alternative embodiments to provide single-sided or double-sided configurations for particular heating applications. A lid member including the top heating element is attached to the roasting oven by electrically conductive supporting structures, which incorporate the electrical circuit for the top heating element and also provide for convenient disconnection thereof for cleaning and storage. In an alternative embodiment the top heating element is omitted to reduce manufacturing costs and standard electromechanical switches and temperature controls provide the functions of the oven.

Abstract: An electric heater (2) is arranged for location in an oven (4) intermediate a cavity (6) of the oven and a flue arrangement (8) for venting the cavity (6). The heater (2) comprises a dish-like support (14) containing at least one electric heating element (22) and having a first face (24) open to the cavity (6) and a second face (16; 18) having an aperture (26) adapted to interface with the flue arrangement (8). Catalyst means (28) is provided incorporated in the heater (2).

Abstract: An electric heating element (10) for an oven (2) is provided at least in part with a coating (14) of a catalyst means.

Abstract: A heating assembly for use in an electric furnace includes a helical heating element encircled by thermal insulation, and rows of spacers for keeping turns of the heating element spaced apart by predetermined distances. Each spacer includes circumferential side portions facing generally in a circumferential direction of the heating element and converging toward a center region of the spacer to form a radial undercut against which the insulation abuts. The spacers of each row have through holes extending parallel to a longitudinal axis of the heating element. A guide rod extends through the through holes of each row of spacers.

Abstract: A forming method of a resist pattern includes the following two steps. The first step is to carry out a heat treatment of a substrate, on which a resist pattern is formed, in a first heat treatment temperature in a first treatment period. The second step is to change said first heat treatment temperature to a second heat treatment temperature during said heat treatment such that a variation of dimensions of said resist pattern in said heat treatment reaches a desirable variation in a second treatment period.

Abstract: An infant-support heater assembly having a heater element a radiator associated with the heater element and a sensing element in contact with at least a portion of the radiator. The sensing element is separate from the heater element.

Abstract: A heated substrate support and method for making the same is generally provided. In one embodiment, a heated support includes a first and second plates having a heating element disposed therebetween. The heating element is biased against the first plate to provide good heat transfer therewith. In another embodiment, a heated support includes a first metallic plate coupled to a second metallic plate and sandwiching at least one guide therebetween. A resistive heating element is laterally retained by the guide relative to the first plate. In another aspect of the invention, a heating chamber for heating a substrate is provided. In one embodiment, the heating chamber includes walls defining an interior volume and a plurality of heated support plates coupled to the walls. The support plates are generally stacked parallel to each other within the interior volume. A heating element is urged against each first support plate.

Abstract: A heater is secured to a cooling device in a reflow oven by a bracket comprising a first portion attached to a supporting structure, such as the cooling device itself, and a second portion extending over the heater. A member, preferably a screw, extends through the second portion of the bracket, against the heater. The first portion of the bracket is preferably attached to the cooling device by a screw. The bracket is preferably a stiff material such as aluminum. In addition, the duty cycle of a plurality of heaters on a plurality of respective cooling devices is controlled by a thermocouple on the cooling device closest to the exit of the reflow oven.

Abstract: A heater is secured to a cooling device in a reflow oven by a bracket comprising a first portion attached to a supporting structure, such as the cooling device itself, and a second portion extending over the heater. A member, preferably a screw, extends through the second portion of the bracket, against the heater. The first portion of the bracket is preferably attached to the cooling device by a screw. The bracket is preferably a stiff material such as aluminum. In addition, the duty cycle of a plurality of heaters on a plurality of respective cooling devices is controlled by a thermocouple on the cooling device closest to the exit of the reflow oven.

Abstract: A roasting oven having a large capacity heating well including a wrap-around heating element for heating the side walls thereof and a top heating element for browning is disclosed. A function control panel featuring a touch-film interface and digital display of cooking modes is provided for the user's convenience. In an alternative embodiment standard electromechanical switches and rheostatic temperature controls provide the functions of the present oven. The heating elements are also fabricated in alternative embodiments to provide single-sided or double-sided configurations for particular applications. The power supply circuit board is isolated from the heating elements in a ventilated compartment on an undersurface of the roasting oven to prevent damage thereto from exposure to the heat source. The present roasting oven is provided with an optional serving set conforming to the shape of the heating well to maintain food in a warmed condition.

Abstract: A burn-out furnace having heating system configured in a series or plurality of radiating sleeves aligned on top of one another against at least one wall of the burn-out furnace. At least one heating element is disposed in the radiating sleeves. The heating element is preferably a single piece of wire which is coiled or wound along its entire length and curved after it exits each radiating sleeve to continue into the next tube, and “zig-zag” through the plurality of tubes. The heating element is stretched to a point whereby during operation of the furnace, when the heating element is heated, there is little or no creeping of the wire occurring. Moreover, the heating element contains very tight turns between the sleeves as the direction of the element reverses and it continues the zig-zag configuration through the plurality of radiating sleeves.

Abstract: A heater having a frame supporting a heater element resistance wire and an in-line thermostat. The in-line thermostat has substantially flat connection terminals or terminals, each having a though hole. A substantially flat blade connects to each thermostat terminal by a single screw. The end of each blade distal from the screw is crimped to an end of the resistive wire or another conducting element. An insulating support mounts each blade to the frame. The blade may have bendable tabs for securing it to the insulating support.

Abstract: The present invention is a lightwave oven that includes an oven chamber, a food support within the oven chamber, and a lightwave cooking lamp moveably mounted within the oven chamber between a first position in which the lamp is positioned to direct radiant energy onto a first area of the food support and a second position in which the lamp is positioned to direct radiant energy onto a second, separate, area of the food support. The lamp is illuminated and made to scan, preferably multiple times, across the food so as to cook the food.

Abstract: A cooking oven comprises a cavity having a separating and insulating plate which can be inserted horizontally in the cavity in order to split it in two sub-cavities. Each sub-cavity has heating elements on its side walls. The oven sub-cavities can be singularly or separately and this increases flexibility in use.

Abstract: To provide a high-temperature and high-pressure treatment device in which articles to be treated such as wafers of LSI semiconductors can be transported in a stable attitude, and the entire apparatus is made compact.

Abstract: The present invention provides an apparatus to support an electrical heating element installed in an oven and extending generally horizontally therethrough from one side of the oven to the opposite side thereof for heating an oven cavity to bake or broil food set inside the oven cavity. The oven cavity has side walls, a top wall and a bottom wall. The apparatus and heating element are located below the bottom wall of the oven cavity. The apparatus includes at least one support bracket extending horizontally in the oven and has a plurality of openings formed therein each of which is generally presented in the upward vertical direction and sized to receive the heating element. The support bracket also has a plurality of standoffs generally presented in the upward vertical direction and having a height sufficient to prevent the bottom wall of the oven cavity from coming in contact with the heating element.

Abstract: An electric heating element (11) in which electrically conductive tape (23) is wound on a non-electrically conductive former (12) and the tape is completely covered by covers (30) of electrically non-conductive but heat conductive material secured to the former. Preferably the covers and former are of Mica or Micanite. The covers are secured to the former by channel sectioned strips (31) along opposite side edges and by fastening eyelets (26) extending through the covers and former intermediate the edges. For use in an upright toaster the tape is wound continuously round the former with each run thereof extending between the grooves in the opposite side edges of the former, the grooves in the upper portion being spaced from one another by 4.6 to 7 mm while the grooves in the lower portion of the former are spaced by a smaller distance in the range 3.6 to 5 mm. For use in a conveyor toaster the runs adjacent the sides of the conveyor are more closely spaced than those in the center.

Abstract: A connection flange for an armored resistance element, particularly for electric ovens, has a plate provided with a plurality of holes for insertion of end portions of the armored resistance element. Minor edges of the plate are extended into at least two profiled flat fins with their sides diverging outwards. The fins are formed during actual stamping of the plate and then are bent at 90° to be inserted into corresponding slots provided in the edges of the oven, after which they are twisted to prevent their withdrawal.

Abstract: A substrate support plate including a heating element for use in a process chamber is described. The heating element includes an outer sheath, a heating filament and a thermally-conductive and electrically insulative sealing material. The sealing material comprises a diamond powder.

Abstract: An apparatus (10) supports an electrical heating element (H) which is mounted in an oven (O). When supplied with electricity, the element heats the oven to cook food. During an operating cycle, the heating element expands and contracts along its length. The apparatus comprises a support bar (12) including an elongate plate (16) and bracketry (14) for mounting the plate to an inner wall (T) of the oven. The support bar extends orthogonally of a longitudinal axis of the heating element when the heating element is installed. The plate has spaced openings (18), each of which is sized for a length of the heating element to be fitted in an opening. Each opening comprises a slot one end of which extends into the body of the plate for a portion of the plate to cover the slot. The other end of the slot is open to receive the heating element, the portion of the heating element received in each slot being fitted into the covered end of the slot.

Abstract: An apparatus accurately measures a temperature of a substrate in a thermal processing chamber. The apparatus has a support structure to support the substrate within the thermal processing chamber. A first probe is provided with an input end positioned to receive radiation from the substrate during thermal processing. A second probe is also provided with an input end positioned to receive radiation from the substrate during thermal processing. The second probe is positioned such that it is angularly offset from the first probe so radiation provided at an output end of the second probe is out of phase with radiation provided at the output end of the first probe. A junction receives and combines radiation from the output ends of the first and second probes. The radiation is combined to provide an accurate representation of the temperature of a local region of the substrate by compensating for a temperature gradient between the support structure and the substrate.

Abstract: An oven having a tray forming a heating element enclosure beneath an oven liner. The heating element compartment has a rear access opening. A heating element is removably supported by the tray beneath a bottom wall of the oven liner. An access panel is provided for closing the rear access opening of the heating element enclosure. The access panel is secured to the oven liner and the rear edge of the tray is fastened to the access panel. An inner chassis is disposed about the oven liner. The inner chassis includes a rear chassis panel and a chassis bottom panel having a rear edge removably attached to the rear chassis panel. A cabinet enclosure surrounds the inner chassis and includes a removable back wall. Access to the access panel is accomplished by removing the back wall and disconnecting the chassis bottom panel from the rear chassis panel such that the chassis bottom panel may be flexed to expose the access panel.

Abstract: A substrate support plate including a heating element for use in a process chamber is described. The heating element includes an outer sheath, a heating filament and a thermally-conductive and electrically insulative sealing material. The sealing material comprises a diamond powder.

Abstract: A treatment apparatus comprises a heater including an insulator carrying a to-be-treated object thereon and a resistance heating element therein for heating the to-be-treated object, an electrical supply mechanism including feeders extending into a treatment chamber from outside and terminals connecting the feeders and the resistance heating element, and a metallic pipe surrounding the terminals and those portions of the feeders which extend in the treatment chamber. A treatment apparatus for discharging an exhaust gas from the treatment chamber through an exhaust pipe by means of a suction unit comprises a first heater in the inner wall of the treatment chamber for heating the gas in the treatment chamber, and a second heater for independently heating the exhaust gas in the exhaust pipe at various portions of the exhaust pipe.

Abstract: A heating chamber for maintaining processed foods warm for extended periods while not sacrificing food quality or causing a secular change in the chamber's insulating member.

Abstract: A heating chamber for use in diffusion reactors employed in the semiconductor industry. An inner chamber is formed within an insulative layer. The proximal ends of separators are embedded in this insulative layer with the distal ends extending into the inner chamber. Support rods inserted through holes in the proximal ends and embedded in the layer of insulation secure and align the ceramic separators. The distal end of each ceramic separator has an indentation adapted to restrain a resistance wire at a designated distance from the insulative layer while providing space for wire expansion towards the insulative layer. The wire is preferably restrained at distances of between 0.05 and 24 inches from the insulative layer. The entire assembly is wrapped with additional insulative blankets and enclosed within a stainless steel shell.

Abstract: A convection oven includes a frame having a base member and two upright members which extend upwardly from the base member. A cooking chamber is removably supported by the frame and includes an upper enclosure member and a lower enclosure member. A housing attached to the upper enclosure member is configured so that cool air flows from a peripheral portion of an arm into a central portion of the housing and then is expelled from the arm over the upper surface of the upper enclosure member. A passive hinge connects the housing to the frame such that the housing and upper enclosure member may be both separated from the frame and lower enclosure member by lifting the housing vertically and pivoted relative to the frame and lower enclosure member. An extension ring selectively enlarges the size of the cooking chamber. A holster may hold the upper enclosure member and the housing when they are separated from the lower enclosure member.

Abstract: A high temperature furnace for heat treatment of various products, and for sintering. One of the uses is for preparing dental products such as dental crowns, bridges, implants and the like. The main component of the furnace is a cup-shaped quartz vessel, with a curved roof section, and which has a wide flange at its open end. There is provided a heating coil, applied to the vessel, and heat insulating means and heat measuring means indicating the temperature inside the vessel. There is provided a tube leading to the outside which can be used for establishing a vacuum in the vessel or for providing in the vessel or for providing in the vessel an atmosphere of any desired gas or gas mixture. There is provided a base through which there can be raised and lowered a worktable. The flange of the vessel rests on O-rings which provide a hermetic seal, and which are not subjected to an excessive temperature due to the width to the width of the flange of the vessel.

Abstract: An expansible cyclone stove includes an expansible mount fastened to a stove body thereof to hold a lid for permitting the lid to be adjusted upwards from the stove body to increase the holding space for holding a cooking container inside the stove body. The expansible mount is consisted of an angle frame fastened to the stove body, and a connecting block pivoted to a handle on the lid and having a bottom extension inserted in a chamber on the angle frame and locked in either upper limit or lower limit position by a screw and a locknut.

Abstract: The heater is primarily intended for infra-red drying of travelling sheet material such as printed or lacquered paper. Parallel elongate heating elements are contained in a housing having a front window and a rear openable cover carrying a ceramic reflector behind the heating elements, which reflector also serves to insulate the cover against heat from the elements. End portions of the elements are supported in rearwardly directed clips whereby elements removal and replacement can be readily effected at the rear of the housing. The clips are carried by opposed support bars which with adjacent side walls of the housing define cooling air ducts, the bars having openings for directing cooling air onto the end portions of the elements or to enable the latter to extend into the ducts for direct cooling. The front window is provided with air venting slots parallel with the heating elements and positioned opposite spaces between the latter.

Abstract: The furnace 70 includes a heating element 72 which is restrained from growth during operation of the furnace 70 by retaining spacers 84 which provide a yoke 88 around the individual coils 102 of the heating element 72 and which spacers 84 are interlocked with each other. A high alumina fiber insulation 180 is applied to insulate the heating element 72. This high alumina fiber insulation 180 has enhanced properties with respect to shrinkage and devitrification.

Abstract: An electrically-heated deck type baker's oven where the electric heating elements, which are U-shaped in plan view, are supported by and slidable through metal chairs in rectangular metal tubes forming a series of lower and upper passages lining the top and bottom of the oven compartment.

Abstract: One fast cool-down furnace embodiment discloses a double wall in the interspace of which a cooling air stream is flowable to provide fast cool-down of a load of wafers. The double wall embodiment is retrofittable on existing diffusion furnace, and includes a cylindrical member aligned in concentric relation with the diffusion tube by combination plenum defining and supporting manifolds. In a second embodiment, the fast cool-down furnace includes a reaction vessel and a heating core relatively movable relative to each other in such a way that in a fast cool-down condition the core and reaction vessel are spaced apart. Cooling tubes are embedded in the movable core. Fans or other aids to cooling are provided. Operation is either in a controlled cool-down mode or in a quick quench mode.

Abstract: A cooking oven has an enhanced heating structure for decreasing the cooking time relative to conventional ovens. The enhanced heating structure located on the bottom of the oven has a plurality of spaced apart upward projecting needle electrodes and a heater element located adjacent the needle electrodes. A frame and a flat plate form an enclosure of selected volume for enclosing the needle electrodes and the heater element. The flat plate supports the food for cooking and provides safety and ease of cleaning for the user. An electrical circuit generates a high voltage between the flat plate and the needle electrodes for increasing the rate of heat transfer from the heater element to the flat plate. The temperature of the selected volume enclosed is separately monitored and independently controlled.

Abstract: An electrode shield device for use in conjunction with a needle electrode preferably embodied in an oven. The shield device includes a perforated plate and mechanical means supporting the plate for causing relative movement between the plate and the needle electrode. In operation, the mechanical means locating the plate in a spaced relationship to cover the needle electrode for preventing physical contact with the needles when the electrode is electrically inactive and the mechanical means locating the plate in an engaging relationship to expose the needles for permitting the needles to establish current contact with, for example, high potential food.

Abstract: A temperature controlled oven for heat treating materials such as solid state electronic devices in which a housing forms an enclosure and has an opening for receiving a first sub assembly which forms a second enclosure with an aperture confronting the opening in the housing, and a second sub assembly is disposed within the first sub assembly and removable through the aperture of the first sub assembly to permit external cleaning, the second sub assembly having an opening confronting the opening of the housing and forming a closed air circulation path which contains a heater, blower, and filter for the purpose of maintaining the atmosphere in the second sub assembly relatively particle free.