Abstract: A preform heating device has a plurality of infrared heaters disposed horizontally and spaced apart in the axial direction of a preform carried along a carrying path which carries a preform in a state that the axial direction thereof is vertical. The preform is at least rotated when facing the infrared heaters. First and second insulating plates, and an insulating air layer formed therebetween are disposed facing the carrying path with the infrared heaters between. The infrared heaters are supported by a plurality of support members. Each of this plurality of support members is able to be moved upward and downward by a height adjustment means, and is fixed to the second insulating plate at a given vertical position.

Abstract: A method and device for hybridization of components by solder beads on a substrate using an oven, comprising: raising the temperature of a heating element of the oven, with no contact either with substrate or with component, bringing substrate into thermal contact with heating element for time .DELTA.t, and uncoupling substrate and heating element at the end of time .DELTA.t.

Abstract: A domestic oven includes a housing defining a cooking chamber, at least one stationary first heating element in the chamber, a shelf movably disposed in the chamber, a second heating element mounted to the shelf, and a drive operatively connected to the shelf for translating the shelf, together with the second heating element, in the housing. The shelf is made of heat conductive metal. A temperature sensor in heat conductive contact with the shelf senses the temperature of the shelf and of a metal tray or pan placed on the shelf in heat conductive contact therewith. The temperature sensor is operatively connected to an energization circuit for the second heating element for de-energizing the second heating element upon detecting a sudden rise in temperature. The second heating element is mounted to the shelf via insulating spacers. The oven is used to perform a hybrid steaming and baking method.

Abstract: An electric barbecue with rotisserie comprises a frame, a kettle placed on the frame, a resistive electric heater element and a rotary spit. A motor driving the spit is housed in a unit fixed to the frame. A drive arrangement connects the motor to the spit. The unit includes electrical connections to supply power to the element. A single cable is connected to an external power supply to supply power to the connection system and the motor.

Abstract: A microwave oven includes a cooking chamber, a magnetron for performing microwave cooking, and an electric heater element disposed in the cooking chamber for performing convection heat cooking. The heating element is rotatable between vertical and horizontal positions. A heater handling device is connected to the heating element and includes a handle situated outside of the oven for enabling a user to rotate the heating element from outside of the oven.

Abstract: A microwave oven having a heater apparatus has an upper heater installed to an upper portion of a cooking chamber for transmitting heat toward the center of the cooking chamber. A bracket is fixed to a side plate of the cooking chamber and has a pair of lugs spaced apart from each other by roughly 60.degree. along the swinging direction of the upper heater. A bushing is fitted into the bracket to be rotatable therein, and is pierced with the upper heater along the rotating shaft line. A guiding plate formed with a groove is fixed to the bushing. A lower heater is installed to a bottom plate of the cooking chamber to be shaped as an alphabet "U," and a turntable is coated with a ceramic. Thus, the swinging angle of the upper heater is controlled to adjust a distance from food, and the upper plate of the cooking chamber is cleaned by easily swinging the upper heater. The lower heater bakes the lower side of food to consistently cook the food.

Abstract: A microwave oven includes a cooking chamber to which a high frequency can be supplied. An electric heater is disposed in the cooking chamber for cooking by radiant heat. The heater is vertically movable by a motorized power transfer mechanism between upper and lower positions for regulating the intensity of the radiant heat cooking.

Abstract: An alignment assembly for aligning heating lamps in a heating lamp assembly intended for use in an oven of a blow molding machine, the heating lamp assembly having a chassis removably positionable in at least one preselected location in the machine and including a vertical array of generally horizontally disposed lamps held in position by a lamp holder coupled to each end of each lamp. The alignment assembly has a baseplate including a coupling for coupling the chassis to the baseplate. A pair of standards are coupled to another plate movable relative to the baseplate projecting upward therefrom for holding a vertical scale and a plurality of vertically positionable and horizontally reciprocable gages indicate the relative position of the lamp holders.

Abstract: A microwave oven having a rotary grill heater 20 to be able to roast a food effectively and to prevent a horizontal rock between the joined grill heater and the cooking room 10 comprises a grill heater 20 in which is connected with the end sides of the grill heater 20, for rotating the grill heater 20 together and the rotary part has a first rotary part 30, 50 which is connected with one side of the grill heater 20 and a second rotary part 40, 60 which is connected with the other side of the grill heater 20 and is rotated with the rotation of the first rotary part 30, 50.

Abstract: A microwave oven includes a cooking chamber, a magnetron for directing microwaves into the chamber, and an electric heater disposed within the cooking chamber. The heater is mounted for rotation about a horizontal axis so as to be moved between horizontal and vertical orientations. A fan disposed outside the cooking chamber blows air through apertures formed in a wall of the cooking chamber to cause heat within the cooking chamber to be circulated. The heater is of inverted U-shape when vertically oriented and is rotated by an electric motor between the vertical and horizontal positions.

Abstract: A microwave oven having a heater and a wall structure, includes a heater cover disposed between the heater and the wall structure and a plurality of protruding portions formed on the heater cover and on a depressed portion of the wall structure, respectively. The heater cover includes a bent portion formed at its peripheral edge, and a hanger, for hanging the heater, is fixed to the heater cover to prevent the heat transfer in every direction from the heater. In addition, the protruding portions are brought into contact with each other and are fixed by rivets. The microwave oven further includes an air conduit for guiding an air flow produced by a fan to a space between the wall structure and the heater cover.

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: An electrical baking and roasting oven defining a cooking chamber which can be closed by a door, the oven having side walls bounding the cooking chamber and the oven being composed of an upper heating element and a lower heating element for heating upper and lower regions, respectively, of the chamber, an insertable partitioning member carraying the lower heating element and equipped with a plug-in connection, for partitioning off a lower part of the volume of the cooking chamber, and guide elements mounted on the side walls for supporting the partitioning member, wherein the partitioning member includes a heat insulating body disposed below the lower heating element for thermally shielding the lower part of the cooking chamber, and the oven side walls are provided with breaks at the height of the guide elements for reducing thermal conduction through the side walls to the lower part of the cooking chamber.

Abstract: An electric barbeque cooker has an electric heating unit dimensioned to fit within a cooker bowl. The heating unit is connected to a power supply and it is mounted within the bowl for movement between a horizontal position and an a nonhorizontal position. In the preferred embodiment, the heat unit may be rotated to a vertical position adjacent to the rear wall of the cooker bowl which is dimensioned to contain said heating element within the volume of the bowl even when the element is in the vertical position. A handle is rotatably mounted on the exterior of the bowl and it is mechanically interconnected with the heating element so that the element may be rotated by pivotally moving the handle. A catch mechanism selectively holds the heating unit in at least two positions but, preferably, the unit may be held in a horizontal position, a slightly inclined position and a vertical position. The heating unit is controlled by a thermostat that is mounted in a housing mounted on the exterior of the bowl.

Abstract: A heating apparatus includes a selectively movable heater for heating an object, a detection circuit for detecting the position of the heater, a memory for storing a signal from the detecting circuit, a control circuit for controlling the input and the output of the memory, and a heater moving device for selectively moving the heater so as to set the heater at a suitable position based on the output of the memory.

Abstract: A motor drive for a heater in a microwave oven is disclosed which drives the rotation of the heater by the motor and controls the rotation of the motor with a control device to automatically position the heater suitably for cooking, thus preventing under or overcooking. A device is provided to permit the heater to rotate freely between a vertical position opposing a convection fan in the heating chamber and a horizontal position directly above a tray, a motor and transmission device are provided to drive the rotation of the heater, and a control device is provided to control the rotation of the motor.

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 mechanical electrode is disclosed for use in an electrical circuit in a cooking device, such as, an oven. The mechanical electrode includes a plurality of electrically conductive needle elements supported on a flat base plate. Each needle has a sharply pointed tip for establishing current contact through an electrical field with a food supplied with a voltage normally sufficient to generate corona current from the tip to an aligned surface of the food for enhancing heat and mass transfer. A current-limiting resistive material electrically connects each one of the needle elements to the base plate which, in turn, is electrically coupled to a voltage supply for regulating the voltage supplied to the food to complete the electrical circuit.

Abstract: An apparatus in a cooking device, e.g., an oven, is disclosed for enhancing heat and mass transfer during the food cooking process. The apparatus applying differently controlled corona currents to food surfaces in order to reduce cooking times relative to cooking times of conventional ovens. Two low potential electrodes, one fixed and the other movable, are provided in the oven and food, located intermediate the electrodes, is maintained at a high potential. A pair of electrically conductive fields for supporting corona currents at predetermined different corona current densities are defined between each electrode and its nearest food surface. Electrical circuitry is provided for maintaining a constant corona current flow in each one of the two electrical fields and each electrical field is controlled to support corona current flow at a different optimum density found to maximize heat and mass transfer.

Abstract: The disclosed invention pertains to an autoclave apparatus for receiving parts to be bonded or cured which includes a removable cover on the end of a pressure vessel having radiant heat means that directs heat directly onto the surface of a product to effect a bonding or curing temperature without substantially heating the pressure vessel and its parts.

Abstract: A microwave oven having a vertically translatable resistance heater disposed in the heating chamber thereof is disclosed. The two end portions of the heater extend from the interior of the heating chamber to the exterior thereof through a pair of parallel vertically elongated openings. The heater is vertically translated by a translation mechanism along the two elongated openings. The leakage of the electromagnetic waves through the elongated openings is prevented for the most part by annular choke chambers which are situated around the elongated openings and have communication ports which oppose the extending portions of the heater and through which electromagnetic waves leaking from the interior of the heating chamber through the elongated openings are introduced, thereby extinguishing the electromagnetic waves leaking through the elongated openings.

Abstract: An electrostatic oven or cooking apparatus having a heating structure defining a cavity and conventional thermostatically controlled heating element into which articles are placed is provided with an arrangement to generate an electrical field in a direction substantially perpendicular to the plane of the cooking articles thereby improving the overall efficiency of the cooking process. The improved efficiency of the cooking process results in a reduction in the cooking time relative to conventional ovens. The electrical field generating apparatus in one arrangement includes an electrical field grid element maintained at a reference potential and apparatus for supporting the cooking articles upon being positioned within the heating structure cavity and maintaining the cooking articles at a DC potential with respect to the reference potential. The electrical field grid element and the cooking article support apparatus are spaced apart and adjustable relative to each other.

Abstract: A hamburger bun storage device has a supporting frame on which a bun-toasting and heating element is disposed. The heating element is preferably a planar member superposed above a parallel planar conveyor mounted on the frame to advance in a predetermined direction. The heating element is movable up and down; i.e. toward and away from the associated conveyor. A drawer enclosure is disposed on the heating element on the side thereof opposite the conveyor and is open only in a direction transverse to the predetermined direction and at the side of the frame. A drawer is slidable in the drawer enclosure between an open position and a closed position in which a drawer end plate is in abutment with the frame.

Abstract: A hinged or pivoted support for an oven heating element having one bracket attached to an oven surface and a second bracket, holding the heating element, pivotally supported by the first bracket. The first bracket includes resilient clips, which cooperate with the second bracket to retain the second bracket and heating element in a tilted position.

Abstract: A storage system for a plurality of food trays includes one or more storage modules each having multiple pairs of horizontal rails for supporting a plurality of trays with the hot food positioned along one side wall of the module and the cool food along the other side wall. Forced air inlet means in the rear wall and adjacent the side wall on the hot food side of the tray produces a forced air stream flowing forwardly through the module over the hot food on the trays. A door covers the front of each module and forms air outlet means adjacent the module side wall on the hot food side of the trays so that the forwardly flowing air stream exits through the door. This system is particularly suitable for use with trays which have electrical heating elements embedded in one side of the tray for heating the hot foods thereon.

Abstract: A hinged or pivoted support for an oven heating element having one bracket attached to an oven surface and a second bracket, holding the heating element, pivotally supported by the first bracket. The first bracket includes resilient clips, which cooperate with the second bracket to retain the second bracket and heating element in a tilted position.

Abstract: An electric baking and broiling oven with an upper broiling element adjacent the top wall and a lower baking element adjacent the bottom wall. The baking element is of unique design having vertically arranged terminal ends supporting a plug connector. A mating plug receptacle is located in the rear wall of the oven liner slightly below the mid-height to receive the plug connector of the baking element.The baking element is reversible, in that its plug connector may be inserted in the plug receptacle upside down, so the baking element can be inverted and arranged closely spaced from and parallel to the upper broiling element. Both heating elements are to be energized during broiling. A shelf is positioned between the two heating elements so food placed thereon may be broiled on both top and bottom sides simultaneously.

Abstract: A complete prefrozen meal is placed in a combination heating-serving container. The meal is composed of a plurality of different food items which require different quantities of heat in order to bring each of them to their intended serving temperature. The combination heating-serving container includes self-contained means associated with each food item to be heated to apply the desired quantity of heat to the food items within the same time interval. The container also includes means for isolating each of the food items from each other during the heating process. The container is thermally insulated and also includes means operable by the user to begin the heating cycle when he so desires.

Abstract: The heating unit is particularly adapted for a stove panel and the like, and comprises a pan adapted to be supported on the panel, the pan having an opening in its side wall. A sheathed electric heating element has an active heating portion formed into a flat spiral, such heating portion being supported crosswise of the top of the pan. The heating element has at least two terminal portions extending downwardly from the active heating portion and laterally thereof, the terminal portions extending through the pan opening for connection to a source of electrical energy. A closure, formed of an elastic material, such as cured silicone rubber, closes the pan opening. The terminal portions extend through the closure and the latter cooperates with the terminal portions to provide a hinge about which the heating element may be pivoted to swing the active heating portions upwardly from its supported position on the top of the pan.