Abstract: A label manufacturing apparatus has a thermal head with heating elements for heating at least a part of a heat sensitive adhesive sheet to place it into an adhesive state when the heat sensitive sheet is transported through a preselected position of the label manufacturing apparatus in which the heat sensitive sheet contacts the heating elements of the thermal head. A control device selectively operates the heating elements of the thermal head in synchronization with timing of transporting of the heat sensitive adhesive sheet through the preselected position to thereby heat the part of the heat sensitive adhesive sheet and place into the adhesive state, and stops operation of the heating elements so that a trailing end portion of the heat sensitive sheet is not heated and is not placed into an adhesive state when the trailing end portion reaches the preselected position.

Abstract: An oven according to some embodiments includes an oven chamber in which food is cooked, a heating element, a fan, a sensor for sensing the temperature of the oven chamber, a remote input device, and a controller configured to receive a signal from the remote input device and to change the fan or heating element based at least in part upon the signal received from the remote input device. In a method of operating the oven according to some embodiments, the oven enters an operating mode from an energy-savings mode responsive to receiving an signal from a remote device.

Abstract: In drying of a glass substrate to which a coated film is applied, the heating and drying is conducted while feeding means 10, 18, which always moves on a lower surface of the glass substrate 6 to which the coated film is applied, abuts against the substrate, in order to solve a problem that when the lower surface of the coated film is supported for a long time, supporting traces occur and thereby quality of the glass substrate is reduced. With this configuration, traces of the pin 11, 12, 21 are less likely to occur.

Abstract: A furnace includes a carburizing zone in which carburizing processing is performed upon workpieces loaded upon trays during the conveyance, and a plurality of regions which are arranged at the upstream side of the carburizing zone. Along with a tray upon which workpieces are loaded being mounted upon each one of the plurality of pallets, these pallets are movable along a linear conveyance direction, with the number of pallets being the same as the number of regions. The pusher device pushes the trays along the direction of conveyance. And the pusher-puller device, along with pushing the plurality of pallets all together forward along the direction of conveyance, also pulls one of the plurality of pallets backward into each of the plurality of regions.

Abstract: The continuous heat treatment furnace of the present invention is provided with at least one drying and binder-removing area where drying of the objects to be thermally treated and/or removal of binder are carried out and a firing area where the objects to be thermally treated is fired in succession from inlet side towards outlet side of the furnace, the objects to be thermally treated being subjected to drying and/or removal of binder while being transported through the drying and binder-removing area and thereafter being fired while being transported through the firing area, wherein the heat treatment furnace has at least two transporting mechanisms disposed along the transporting direction of the objects to be thermally treated as transporting mechanisms for transporting the objects to be thermally treated, the objects to be thermally treated are transported by different transporting mechanisms in the drying and binder-removing area and the firing area, respectively, and the transporting speed of each tran

Abstract: A pusher furnace includes a pusher assembly having first and second coordinated pushers for pushing load supports with loads to be heated thereon to provide continuous downstream movement of the load supports through a furnace section. A removal assembly includes a first removal mechanism which removes the load supports from the furnace section and a second removal mechanism which removes the loads from the first removal mechanism to facilitate the continuous downstream movement. The first removal mechanism preferably includes a parallelogram-type four-bar linkage for lifting the load supports and lowering them onto the second removal mechanism. Entry and exit plenums are connected to respective ends of the furnace section to provide a controlled atmosphere within the furnace section. The pusher and removal assemblies are timed with opening and closing of various gates of the plenums to maintain the controlled atmosphere.

Abstract: A oven conveyor system is disclosed herein. In use, items to be heated are placed in contact with a hearth, and then moved across the hearth by the conveyor. The conveyor system allows the items to maintain contact with the hearth while being conveyed. A large volume of items may be heated while still obtaining the beneficial heating characteristics of a hearth-type oven.

Abstract: A oven conveyor system is disclosed herein. In use, items to be heated are placed in contact with a hearth, and then moved across the hearth by the conveyor. The conveyor system allows the items to maintain contact with the hearth while being conveyed. A large volume of items may be heated while still obtaining the beneficial heating characteristics of a hearth-type oven.

Abstract: The invention concerns a transport apparatus for transporting substrates in an oven. The oven has a channel formed from a floor and two side walls in which the substrates are transported in a transport direction. The floor of the channel has a recess running along one of the side walls for accepting and guiding a rail in transport direction. The rail is set up for accepting at least one substrate. A drive mechanism moves the rail in transport direction.

Abstract: A continuous sintering furnace has an entrance-side deaerating chamber through which trays each with an material to be sintered being mounted thereon may pass, preheating, heating and cooling zones into which the trays are sequentially fed from the deaerating chamber, an exit-side deaerating chamber through which the trays having passed through the cooling zone may pass, a pusher for pushing the tray from the deaerating chamber to the preheating zone, a puller for pulling the tray from the cooling zone to the deaerating chamber, an intermediate puller for pulling the tray from the heating zone to the cooling zone, a vertically movable door between the deaerating chamber and the preheating zone, a vertically movable intermediate door adjacent to the door and arranged at an upstream end of the preheating zone in the direction of transportation of the trays, a vertically movable intermediate door between the heating and cooling zones and a vertically movable door between the cooling zone and the deaerating chamb

Abstract: A continuous pusher furnace includes a product carrier assembly incorporating a traveling gas barrier. The product carrier assembly comprises a plate disposed to receive product thereon and a gas barrier extending upwardly from the plate. The perimeter of the gas barrier is sized and configured to fit within a vestibule between heating chambers in the furnace with a clearance gap with the vestibule selected to increase a gas flow velocity through the vestibule sufficient to overcome a gas diffusion velocity through the vestibule in a direction opposite to the gas flow. In this manner, gas is unable to diffuse into an upstream heating chamber. In an alternative embodiment, an exhaust outlet may also be provided in the vestibule or chamber to exhaust gas from upstream and downstream heating chambers from the furnace.

Abstract: In a material feeding mechanism in association with a continuous sintering apparatus, a material (S) carried by a transporting conveyer (1) into an atmosphere-displacement chamber (2) is fed into a furnace casing (4) of the continuous sintering apparatus by using a loading pusher (3). The transporting conveyor, the atmosphere-displacement chamber, and the loading pusher are arranged in such a manner that a direction in which the material is carried by the transporting conveyor and a direction in which the material is fed from the atmosphere-displacement chamber into the furnace casing by the loading pusher are linearly aligned, and the loading pusher and a drive unit thereof are installed under a floor of the atmosphere-displacement chamber so that the loading pusher moves up over the floor surface of the atmosphere-displacement chamber and moves forward and backward on the floor surface of the atmosphere-displacement chamber when the material is fed into the furnace casing.

Abstract: A continuous sintering furnace has an entrance-side deaerating chamber through which trays each with an material to be sintered being mounted thereon may pass, preheating, heating and cooling zones into which the trays are sequentially fed from the deaerating chamber, an exit-side deaerating chamber through which the trays having passed through the cooling zone may pass, a pusher for pushing the tray from the deaerating chamber to the preheating zone, a puller for pulling the tray from the cooling zone to the deaerating chamber, an intermediate puller for pulling the tray from the heating zone to the cooling zone, a vertically movable door between the deaerating chamber and the preheating zone, a vertically movable intermediate door adjacent to the door and arranged at an upstream end of the preheating zone in the direction of transportation of the trays, a vertically movable intermediate door between the heating and cooling zones and a vertically movable door between the cooling zone and the deaerating chamb

Abstract: An improved method and apparatus for loading, preheating and refining steel. The charging apparatus has a skirted charging section for introducing charge materials, a dynamic gas seal adjacent the charging section and a preheater, the preheater for preheating the charged materials, a connector adjacent the preheater and removably insertable into an electric arc furnace for feeding charged materials into a furnace bath for melting and refining metallic charge therein, and a vibrating conveyor which extends throughout the charging apparatus. The charging apparatus is positioned on rails to be movable by a drive engine between a charging position wherein the connector is fully inserted into the furnace, a retracted position where the connector is partially inserted into the furnace and a disconnected position where the connector is fully removed from the furnace.

Abstract: To prevent the temperature from rising locally in a closed space so as to make the temperature in an annealing furnace uniform, an apparatus and method for annealing welded parts includes an annealing furnace 2 which is substantially closed; a doorway 5 through which welded parts 4 are placed into and out of the annealing furnace; a carriage mechanism 6 for carrying welded parts on a predetermined course in the annealing furnace; infrared lamps 9 for heating welded parts carried in the annealing furnace; and a circulating mechanism 12 for circulating hot air in the annealing furnace. Thus, the annealing (distortion-eliminating) efficiency of the welded parts is improved.

Abstract: A continuous pusher furnace includes a product carrier assembly forming a traveling gas barrier. The product carrier assembly comprises a pusher plate disposed to receive product thereon and a gas barrier extending upwardly from the pusher plate. The perimeter of the gas barrier is sized and configured to fit within a vestibule between heating chambers in the furnace with a clearance gap with the vestibule selected to increase a gas flow velocity through the vestibule sufficient to overcome a gas diffusion velocity through the vestibule in a direction opposite to the gas flow. In this manner, gas is unable to diffuse into an upstream heating chamber. In an alternative embodiment, an exhaust outlet may also be provided in the vestibule or chamber to exhaust gas from upstream and downstream heating chambers from the furnace.

Abstract: Equipment for the reduction of metal oxides with carbonaceous reductants includes a pair of straight moving hearth furnaces each having a charging end and a discharging end. Each furnace has a train of detachable hearth sections to enable each hearth section to be removed at the discharging end of one furnace and attached at the charging end of the other furnace.

Abstract: A method and apparatus for sequentially heat treating small parts processes the parts individually through a heat treatment process at a predetermined rate, so that each part is heat treated for a predetermined time and all parts are heat treated equally. A plurality of parts on pallets are arranged in a vertical stack in a heat treatment furnace, and parts are sequentially removed and inserted at the ends of the stack at predetermined intervals so that each part progresses from one end of the stack to the other. A vertical guide holds a plurality of parts in a vertical stack. The parts are sequentially removed and inserted at the ends of the stack so that each part progresses from one end of the stack to the other. The stack is lifted to facilitate removing and inserting parts by a slide having movable jaws for gripping and releasing a pallet.

Abstract: An assembly for treating metal products is presented. The assembly includes a preheat furnace aligned with a reheat furnace. Cold products are initially heated in the preheat furnace and hot products bypass the preheat furnace. A material handling device is provided for a) transferring preheated products from an outlet of the preheat furnace to an inlet of the reheat furnace, and for b) transferring hot products from a point between the furnaces to the inlet of the reheat furnace. The material handling device includes a support extending between the outlet of the preheat furnace and the inlet of the reheat furnace for receiving preheated and hot products; and a displacement device located below the support means for lifting and translating preheated and hot products from the support means to the inlet of the reheating means.

Abstract: 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 respectively along either of the guideways (18) carrying support members (24) extending therebetween. Ware is loaded on to the support members (24) at the entrance (14), and is unloaede at the exit (16), are provided. Return guideways (22) are provided extending around opposite sides of the kiln (12) such that the car members (20) from the respective guideways (18) pass around opposite sides of the kiln (12) in a different spacing from when travelling through the kiln (12).

Abstract: 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 steering coil positioned to direct the glass blanks in a spiral pattern as they are heated at the electrical stations, a paddling platform for manual shaping, and a pressing station for pressing the glass blanks into a predetermined configuration.

Abstract: A reheat furnace for reheating elongated metal workpieces includes an entrance end portion and an exit end portion opposite to the entrance end portion, and two side walls spaced apart from each other and extending between the entrance and exit end portions. A conveyor mechanism is provided to convey the workpieces from the entrance end portion to the exit end portion. The reheat furnace is constructed to have a buffer zone adapted to temporarily contain workpieces without applying direct heat to the workpieces and a heating zone adapted to apply direct heat to the workpieces.

Abstract: A furnace apparatus and method for the lengthwise graphitization (LWG) of carbon bodies are provided which utilize U-shaped metal furnace sections mounted on stationary rib supports to contain carbon electrode bodies and surrounding thermally insulating pack material. Vertical flues are provided between parallel rows of U-shaped metal furnace sections to accelerate cooling of graphitized electrode bodies and in a further embodiment water droplets are additionally sprayed on the metal furnace sections.

Abstract: A heating furnace system is provided for receiving finite lengths of workpieces from one or more continuous casters and form a supply of heated workpieces at a temperature suitable for rolling in a hot rolling mill. The system includes, in one aspect, a holding furnace receiving a workpiece during continuous casting until it is severed by a cutoff device to prevent unwanted cooling. The workpiece is fed from a holding furnace to a heating furnace wherein it is deposited onto one of a series of vertically spaced supports in a heated section where it remains static throughout the heating process. After heating the workpiece is removed from the stationary supports and returned to rollers of a hearth for discharge from the furnace to a rolling mill. In a second embodiment the holding furnace arrangement provides for separate holding furnaces to receive continuous castings from separate continuous casters and prevent unwanted cooling of the cast workpiece until cut to a finite length.

Abstract: 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 nonwoven abrasives.

Abstract: A kiln or oven for producing ceramic products is described having a combustion chamber through which the ceramic products continuously pass, as well as a process for the operation and control of the kiln and the ceramic products perform a rotation about their own longitudinal axis in addition to the passage movement through the combusion chamber. The passage and rotation of the ceramic products takes place by means of a drive mechanism located in the kiln base with shafts projecting into the combustion chamber and located on an inventively designed receiving and holding device and can be regulated in infinitely variable and separate manner. The invention permits an effective, discontinuous operation of the kiln.

Abstract: A heating furnace system is provided for receiving finite lengths of workpieces from one or more continuous casters and form a supply of heated workpieces at a temperature suitable for rolling in a hot rolling mill. The system includes, in one aspect, a holding furnace receiving a workpiece during continuous casting until it is severed by a cutoff device to prevent unwanted cooling. The workpiece is fed from a holding furnace to a heating furnace wherein it is deposited onto one of a series of vertically spaced supports in a heated section where it remains static throughout the heating process. After heating the workpiece is removed from the stationary supports and returned to rollers of a hearth for discharge from the furnace to a rolling mill. In a second embodiment the holding furnace arrangement provides for separate holding furnaces to receive continuous castings from separate continuous casters and prevent unwanted cooling of the cast workpiece until cut to a finite length.

Abstract: A method for producing a plurality of kinds of heat-treated products economically and efficiently and with minimum sorting errors, using fewer number of heating devices than pre-treatment and post-treatment devices. Pre-treatment devices (e.g., compacting machines) and post-treatment devices (e.g., sizing presses and finishing devices) are provided upstream and downstream of the sintering furnace. Also provided is a carrier device comprising a carrier conveyor, a return conveyor and loading/unloading devices. A first transfer device and a second transfer device are provided between the entrance of the furnace and the conveyor and between the outlet of the furnace and the conveyor, respectively. Each heat-resistant tray carrying products (works) and supported on a corresponding carrier case is removed from the case and fed into the sintering furnace. The empty cases are put back on the conveyor and transported separately from the trays.

Abstract: Carbon bodies to be graphitized are clamped together in a horizontal train, n which adjacent end faces of said bodies adjoin each other, and are heated by a flow of electric current in a graphitizing zone and subsequently cooled in a cooling zone. Individual carbon bodies are added to the train at the entrance of the graphitizing furnace and individual carbon bodies which have been graphitized are removed from the train at the exit of the furnace. To ensure that the train will desirably be held to be self-supporting, adjacent carbon bodies are interconnected at adjoining end faces by axial plugs.

Abstract: A machine for soldering printed circuit boards and the like includes a housing enclosing an outer process chamber having a soldering station and fluxing station enclosed therein and an inner heating chamber, in combination with input and output transport conveyors on which the circuit boards enter and exit the housing. The heating chamber includes an elevator rack assembly which transports a succession of circuit boards vertically between the input and output conveyors while subjecting the circuit boards to controlled heating. The heating chamber may also be supplied with an inert or reducing gas to facilitate or eliminate fluxing requirements. The environment within the housing is maintained by air lock doors.

Abstract: 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 cycle of displacement, each moveable beam comprises, at one of its ends, a discharging arm or fingers so that when a product taken from among those stored on the fixed beams is being transferred, said product rests on the end of said fingers and can be displaced and transferred to a discharging or removal zone in a manner entirely independent of the products which remain stored on said fixed beams.

Abstract: An oven (20) includes an oven enclosure (24) having a conveyor (40) mounted therein for transporting food products through the oven. A plurality of ribbon burners (100) are mounted within the oven interior (32) adjacent the path of the conveyor to heat the interior of the oven. Heated gases generated by operation of the ribbon burners are received through inlet plenums (140) under operation of a circulation fan (146) and are discharged through discharge tubes (154) extending adjacent portions of the conveyor (40) remote from the locations of the ribbon burners (100). Exhaust gases are removed from the oven interior through discharge ports (180) by exhaust blower assemblies (184) which are operated to remove exhaust gases from the oven interior at a rate proportional to the flow rate of combustion air and gaseous fuel into the ribbon burners.

Abstract: A calcining kiln for decontaminating and detoxifying materials, such as earth, contaminated by hazardous chemicals and substantially incapable of autogenous combustion, consisting of an elongated kiln body through which the material to be treated is conveyed in the form of a tumbling bed, and apparatus for directing flame jets of high temperature against and into the tumbling bed at closely spaced intervals along the length of the kiln body to stir and agitate the material. The tumbling and the stirring and agitation reduce the material to a pulverized form of fine particle size so that all of the contaminating chemicals may be reached and destroyed by the high temperature flame jets. Various fuel gases may be used depending on the heat producing capacity required under any particular circumstances, and the heat produced in successive longitudinally spaced zones of the kiln body may be independently controlled according to the heat requirements in each zone.

Abstract: A toner of a first color incorporated into a development appartaus for second color is charged to a polarity opposite to a polarity of a charge of an electrostatic latent image for the second color by a frictional action with a toner in the development apparatus for the second color. The toner of the first color incorporated into the second development apparatus is caused to adhere to a charge-non-released region of a drum, whereby accumulation of the first toner in the second color development apparatus is prevented. The first and second toners are electrostatically transferred onto a paper by a bias electric field having a polarity opposite to that of the toner images, whereby at reversal development of the second color, the toner of the first color adhering to the charge-non-released region is prevented from being transferred onto the paper.

Abstract: 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 furnace housing, second movable beams arranged separately from the first movable beams on the discharge side in the furnace housing and a steel workpiece transfer device capable of transferring a steel workpiece which is placed in a zone where the first movable beams are located to a predetermined position in the vicinity of a separating portion of the first and second movable beams by passing the steel workpiece over the stationary beams and the first movable beams, wherein the first and second movable beams can be independently driven from each other.

Abstract: A retractable, roller hearth for use in an industrial heat treat furnace is disclosed whereby the alloy rollers are retracted from their load bearing position when the furnace heat treat processes are underway thus maintaining the rated load capacity of the furnace. A plurality of guided rail support posts and guided, sealed lift posts accurately assure straight line vertical motion of the refractory base enabling contact between fibrous rope seals to seal the hearth from the cooler, lower portions of the furnace when the hearth is in a raised position.

Abstract: Method for sintering blanks into fuel pellets, in which the blanks are moved through the muffle of a tunnel furnace by pushing the blanks through the muffle on a guiding device which goes through the muffle and protrudes therefrom at least on the input side, in the form of a single-layer column of abutting blanks.

Abstract: 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 furnace housing, second movable beams arranged separately from the first movable beams on the discharge side in the furnace housing and a steel workpiece transfer device capable of transferring a steel workpiece which is placed in a zone where the first movable beams are located to a predetermined position in the vicinity of a separating portion of the first and second movable beams by passing the steel workpiece over the stationary beams and the first movable beams, wherein the first and second movable beams can be independently driven from each other.

Abstract: An oven (20) includes an oven enclosure (24) having a conveyor (40) mounted therein for transporting food products through the oven. A plurality of ribbon burners (100) are mounted within the oven interior (32) adjacent the path of the conveyor to heat the interior of the oven. Heated gases generated by operation of the ribbon burners are received through inlet plenums (140) under operation of a circulation fan (146) and are discharged through discharge tubes (154) extending adajcent portions of the conveyor (40) remote from the locations of the ribbon burners (100). Exhaust gases are removed from the oven interior through discharge ports (180) by exhaust blower assemblies (184) which are operated to remove exhaust gases from the oven interior at a rate proportional to the flow rate of combustion air and gaseous fuel into the ribbon burners.

Abstract: A high-temperature, rapid-cycle pin oven for the curing of coatings on hollow container components, includes an oven unit (2) whose housing (14) is divided into three compartments interconnected by internal explosion relief panels (136,142,144). One of the compartments (36), designed for a normal working pressure in the range 1 to 1.01 atmosphere, has a light explosion-relief panel (132) which provides primary pressure relief to atmosphere while ensuring that if the internal panels blow out, the entire interior is vented to atmosphere. This panel comprises a light casing (202) with thin tinplate bursting diaphragms (210) in the bottom, overlaid by a light, absorbent mattress (220), and a light top cover (222) which can blow out. A perforated hot air delivery screen (38) forms one wall of the narrow working chamber (34) and comprises a number of plates removably and replaceably fastened to a frame (72) fixed in the housing.

Abstract: Method for sintering blanks into fuel pellets, in which the blanks are moved through the muffle of a tunnel furnace by pushing the blanks through the muffle on a guiding device which goes through the muffle and protrudes therefrom at least on the input side, in the form of a single-layer column of abutting blanks.

Abstract: A high-temperature, rapid-cycle pin oven for the curing of coatings on hollow container components, includes an oven unit (2) whose housing (14) is divided into three compartments interconnected by internal explosion relief panels (136,142,144). One of the compartments (36), designed for a normal working pressure in the range 1 to 1.01 atmosphere, has a light explosion-relief panel (132) which provides primary pressure relief to atmosphere while ensuring that if the internal panels blow out, the entire interior is vented to atmosphere. This panel comprises a light casing (202) with thin tinplate bursting diaphragms (210) in the bottom, overlaid by a light, absorbent mattress (220), and a light top cover (222) which can blow out. A perforated hot air delivery screen (38) forms one wall of the narrow working chamber (34) and comprises a number of plates removably and replaceably fastened to a frame (72) fixed in the housing.

Abstract: An ingot pusher furnace includes a horizontal baffle assembly suspended from a frame member located above a furnace top wall. The baffle assembly includes of a center portion and a pair of first and second upwardly sloping end portions connected to the center portion. The center portion is positioned substantially parallel to an upper surface of a center portion of the ingot. A first upper horizontal baffle is connected by a first gusset to the first sloping end portion. The first upper baffle is positioned substantially parallel to and above a first end portion of the ingot. A second upper horizontal baffle is connected by a second gusset to the second sloping end portion. The second upper baffle is positioned substantially parallel to and above a second end portion of the ingot.

Abstract: A furnace for heating all sides of products such as metal slabs, billets, rough castings and the like includes a furnace chamber having a charging end and a discharging end. A plurality of carriages are positioned throughout the length of the furnace chamber to support products to be heated and are sequentially movable through the chamber from the charging end thereof to the discharging end thereof. Each carriage includes a support bench having extending upwardly therefrom support members to directly contact and support the products to be heated. A charging station is located adjacent the charging end of the furnace chamber for loading a product to be heated onto the carriage and introducing the thus loaded carriage into the furnace chamber, thereby displacing loaded carriages within the furnace chamber toward the discharging end and discharging a downstream-most loaded carriage from the discharging end of the furnace chamber.

Abstract: A transfer apparatus of vessels in a tunnel furnace with a built-in heating apparatus is disclosed, comprising a horizontally reciprocative apparatus for carrier apparatus and vertically reciprocative apparatus for vessels. The vessels forward one stroke together with the carrier apparatus when the carrier apparatus forwards, and the vessels are lifted up during returning the carrier apparatus to the former portion, then the vessels are felled on the returned carrier apparatus. The vessels forward one stroke at every one reciprocation movement of the carrier apparatus during backing or heating treatment of material contained in the vessels in the furnace.

Abstract: A secondary dryer device comprising a drying oven, for subjecting open containers of water detector pads to a secondary drying operation. The oven has a pair of elongate channels disposed side by side with open, outer-most ends and blind inner-most ends. One channel holds a plurality of containers in single file, whereas the other channel holds a plurality of containers in double file, whereby the dwell time is greatly increased. A transfer structure interconnects the blind ends of the channels to provide transfer of the containers from the narrow channel to the wider channel. A powered pushing device applies force to the containers of the single file, to advance said containers inwardly into the oven, toward the blind end of the channel. The oven has means which provides heat to raise the temperature and expel moisture.

Abstract: An induction heating system for heating an end length of a forging bar following the cut-off therefrom of a previously heated and forged end length is arranged to bring the end length to be heated to a uniform temperature despite the existence of a residual hot end portion from the previous heat. The heating system has an induction heating coil with a longitudinally extending axial passageway therethrough for receiving the bar length to be heated by insertion into a feed-in end of the coil passageway. A stop member is positioned adjacent the open other end of the passageway to abut the forward end of the inserted bar so as to locate it wholly within the passageway.

Abstract: A continuous heating or pusher-type furnace for the heat treatment of small arts, by which in a closed furnace chamber glide tracks are provided for the intermittent feeding of basket cars in a row between a loading station and a discharge station which is connected gas-tight to the furnace chamber, in the vicinity of which stations there is arranged respectively a reversing device for the translation of the individual baskets from one glide track to the other glide track, whereby the filled baskets automatically can be inserted into the discharge station, and can be emptied by a tipping device with a connecting gravity chute into a quenching bath. The glide tracks with the loading station and the discharging station lie on one plane and at least two glide tracks are provided for the transportation of the filled baskets, the two glide tracks being symmetrically arranged relative to a glide track provided for the return transportation of the emptied baskets.

Abstract: This invention relates to an apparatus for thermal diffusion by means of high frequency induction heating suitable for mass production of semiconductor substrates of uniform quality; wherein a plurality of heating bases, each made of a material having good electric conductivity, and carrying semiconductor substrates, are continuously fed through a furnace tube where the bases are heated by means of high frequency wave excitation in order that each semiconductor substrate receives substantially the same thermal treatment.

Abstract: Apparatus for temperature-conditioning workpieces comprises a series of bar assemblies for supporting a number of elongated molded parts in side-by-side relationship, heat transfer assemblies including horizontally spaced panels extending along a chamber, means for conveying the parts supported in the bar assemblies through the chamber between the panels and rotating means operatively interconnected with the conveying means and bar assemblies for turning the parts. Infeed means sequentially release loaded bar assemblies at regular intervals to the chamber while metering means preferably driven through downstream equipment continuously release bar assemblies to the discharge end of the chamber. Reciprocable gate means allow temperature-conditioned parts to drop out of the bar assemblies to collection equipment. Process improvements include a.) varying parts conditioning time by varying the number of bar assemblies in the fixed chamber; b.