Abstract: A heater unit mounted on a tray utilizes a PTC heater 100 having a positive temperature coefficient (PTC), and a sheet heater 200 superposed thereto. The PTC heater 100 includes PTC members 150 buried within an insulating substrate 130, and on both sides of the PTC members are placed copper foils 120, 122 functioning as electrodes. When the PTC heater 100 is heated up to a preset temperature, the electric resistance of the heater is increased greatly, and the heating is stopped, maintaining the preset temperature. The sheet heater 200 contributes to reduce the time the heater needs to rise to the preset temperature during initial startup.

Abstract: An oven with a spaying device for roasting meats is disclosed, comprising: a housing 11; an outer pot 12; an inner pot 10; a cover 4 of oven; electric heating elements 8 surrounding the outer surface of the outer pot 12; heat insulating materials 13 inserted between the housing 11 and the outer pot 12; and a control panel 16. Said oven is characterized in that it is equipped with a spraying device.

Abstract: A portable incubator for testing water comprising a housing, a heating element, a temperature sensor, a heating controller and a specimen bottle having recesses for receiving the heating element and the temperature sensor. The specimen bottle is filled with water to be tested which is mixed with a reagent and placed inside the incubator. The heating controller serves to keep the temperature of the water within a preset range.

Abstract: A structure and an associated method are provided for housing a workpiece during curing such that the cure process may be accelerated without requiring the use of a relatively expensive cure room. The structure includes a cure room, typically formed by a tent, that defines a cure chamber in which the workpiece is disposed. The tent is generally at least partially retractable to permit introduction and removal of the workpiece. The tent typically includes a frame and a covering supported by the frame. The covering may be formed of a relatively flexible cloth and preferably has an inner surface formed of a thermally insulating, heat reflecting, fire resistant material. The structure is preferably portable and, as such, may include means, such as a plurality of wheels, for moving the cure room, typically defined by the tent, between the first and second locations.

Abstract: A toaster oven has a sheet metal chassis and plastic, cool-wall support walls which support the chassis. Both a pivotally-mounted bottom panel and a slidable crumb tray may be provided. Parts of the chassis are connected together without the use of fasteners or welds by twist tabs. A sheet metal top panel and, optionally, a plastic top panel extend over the top of the chassis. One of the support walls has a pair of locking pins and the plastic top wall has a forwardly-facing hook engaged with one of said locking pins and a rearwardly-facing hook engaged with the other of said locking pins. Support pads on the inner faces of the plastic support walls may cooperate with mounting members for supporting the toaster oven on the bottom of a kitchen cabinet. A control compartment beside the oven chamber houses electrical controls including a heat sensing thermistor mounted in a porcelain tube held against the wall that separates the control compartment from the oven chamber.

Abstract: A device for both warming substances and for providing a nightlight. The device can have a single opening in a upper lid portion for allowing various sized containers of substances to be inserted therein. The substances can include lotions, creams, pastes, gels, liquids, and the like. Controls such as rheostats can be adjusted to select desired nightlight intensity levels and desired temperature levels. Timers can adjust when the rheostat settings are to be turned on and off. Visual and/or audible alarms can be activated when selected levels have been reached. The device can have a clock for giving off the current time.

Abstract: A vertical toaster comprising a housing, heating elements, a food support and a drive. The heating elements are connected to the housing and comprise at least one calrod. The calrod comprises an electric wire surrounded by heat conductive electrical insulation and a metal cover. The food support is movably mounted to the housing for up and down motion. The drive is for moving the food support relative to the housing. The drive comprises a motor and a linkage between the motor and the food support for moving the food support both down and up such that food on the food support passes by the calrod. The calrod prevents an electrical shock to a user if the user accidentally contacts the calrod with an electrically conductive member.

Abstract: An electric toaster includes a chassis with one or more toasting compartments. At least one electric heater is located in each compartment, and a cage is positioned in each compartment adjacent the heater. The cage includes lateral sides with a gap therebetween for receiving a food item and stationary supports that extend into the gap from the lateral sides for supporting the food item during a toasting operation. The electric toaster also includes a movable food support rod that is positioned in the toasting compartment for movement between an upper rest position and a lower toasting position below the stationary supports. The movable food support rod is adapted to support the food item above the stationary support and to transfer support of the food item to the stationary support when the movable food support rod travels below the stationary supports.

Abstract: A convertible rotisserie and grill which includes a housing having a first mechanical interface for removably receiving a grill plate and second mechanical interface for removably receiving a spit. The convertible rotisserie and grill also includes a first heating element for heating the grill plate for grill-style cooking and a second heating element for heating an area in close proximity to the spit for rotisserie-style cooking. A probe activates and controls the temperature of one of the heating elements depending upon the desired cooking style.

Abstract: High energy flux infrared heaters are used to treat an object having a surface section and a base section such that a desired characteristic of the surface section is physically, chemically, or phasically changed while the base section remains unchanged.

Abstract: An electric roaster has a base housing which includes a first roaster tray mounted thereon, and a first heating element attached to a bottom side of the first roaster tray. The first roaster tray includes a surface slanting downward in a first direction from one side to the other side of the first roaster tray, and an oil collecting hole formed in the first roaster tray adjacent the other side of the first roaster tray. A collecting receptacle is disposed in the base housing below the oil collecting hole. A cover housing includes a second roaster tray mounted therein. One of the cover housing and the second roaster tray is connected pivotally to one of the base housing and the first roaster tray so that the first roaster tray is covered by the second roaster tray when the cover housing is turned to cover the base housing.

Abstract: A toaster having an electronic circuit including a chip-on-board ASIC that controls the operation of toaster heating elements and an electromagnet to which relatively high voltage is applied to hold an armature carried by a bread carriage and toaster-operating assembly. The armature is freely suspended from a bread carriage and toaster-operating assembly and accurately guided onto the electromagnet when the bread carriage is lowered. The toaster has a one-piece main frame that includes both a base frame plate and a rear frame plate. Several economies are obtained by virtue the construction of the toaster. A one-piece control support member is mounted on the base frame plate that supports both mechanical and electronic assemblies for controlling the operation of the toaster in predetermined relative positions.

Abstract: A portable livestock incubating device is provided formed of a rectangular container having and incubating volume forming an incubating chamber defined by the zone within the incubating volume. Each each end wall further includes an access door hingedly attached to an upper portion above a clean out door for providing ingress and egress of livestock. Each access door has an exhaust vent located at an upper portion whereby heated air, generated via an electric heater within said the incubating chamber exhausts therethrough. A base with wheels mounted thereon for facilitating transportation of the portable livestock incubating device.

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 each made from several pieces and are secured to the former and each other by fastening eyelets (26) or staples extending through the covers and former intermediate the edges and at spaced positions along two opposite 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.

Abstract: A receptacle-type heating device for automatically warming and vibrating a multitude of containers simultaneously in order to thaw, warm, and mix cold or frozen liquid in an expedient and accurate manner. The device heats each container to a desired temperature using heat exchange of heated water with the container. The device includes a heater block having multiple wells therein, and removable reservoirs disposed respectively within the wells for receiving the water. Heating elements are disposed between the removable reservoirs and the heater block within the wells for heating the removable reservoirs, the water, and the containers placed therein. The container typically is a baby bottle, syringe, test tube, or the like.

Abstract: A decorative film having an excellent decorative effect, excellent three-dimensional curvature emulating properties, three-dimensional curvature formability, long-term weather resistance and stain resistance. The decorative film comprises one or more transparent layers and a decorative metal layer. The transparent layer has an adhered side for being adhered to a substrate. The transparent layer comprises a copolymer of a tetrafluoroethylene, a hexafluoropropylene and a vinylidene fluoride. The decorative metal layer is on the adhered side of the transparent layer. A substrate can be bonded to the metal layer of the decorative film. The substrate can be a complex three-dimensional shaped substrate. The substrate can also be an injection molded substrate. An adhesive can be disposed on the metal layer of the decorative film, and the adhesive layer can be disposed between the metal layer and the substrate.

Abstract: The Electrical Heater Lid is a cover-type food cooking and warming apparatus that provides surface cooking by evenly passing intense heat over the food being cooked in a pot, pan, or skillet. Many foods require surface heat to eliminate flipping the food over in the utensil. Such foods are cooked better and more quickly if both sides of the food can be cooked simultaneously, and the invention is directed toward such foodstuff. The apparatus fits on and covers the top of various sizes of pots, pans, or skillets for broiling, cooking, heating, sealing the surface of food products, and helping steaming process of steamed rice.

Abstract: A beverage heating assembly for warming and maintaining the temperature of a hot beverage. The beverage heating assembly includes an housing with a base portion designed for resting on a horizontal support surface such as a desk or a vehicle dash board, a heating element positioned substantially within the housing for converting electrical energy to thermal energy for heating a beverage in a cup, and an electrical power source operationally coupled to the heating element for providing electrical energy to the heating element.

Abstract: A heater unit mounted on a tray comprises a PTC heater 100 having a positive temperature coefficient (PTC), and a sheet heater 200 superposed thereto. The PTC heater 100 includes PTC members 150 buried within an insulating substrate 130, and on both sides of the PTC members are placed copper foils 120, 122 functioning as electrodes. When the PTC heater 100 is heated up to a preset temperature, the electric resistance of the heater is increased greatly, and the heating is stopped, maintaining the preset temperature. The sheet heater 200 contributes to reduce the time the heater needs to rise to the preset temperature during initial startup.

Abstract: A food roasting apparatus has a roasting main body and an upholding device is mounted on the roasting main body at the far end with respect to the oil-collected hole. The upholding device includes an upholding element and a covering body, which can shield the upholding element and can be locked at a bottom of the roasting main body. The upholding element has a pulling rod part. Two ends of the pulling rod part are forwardly bent to form a crossing part. The end of the crossing part is again inwardly bent to form a stopping part. With respect to the crossing part, the roasting main body and the cover body both has indentations for crossing over.

Abstract: An apparatus for removing moisture from a hearing aid by positioning the hearing aid in a chamber of preselected volume and passing heated air over the hearing aid and maintaining the first chamber within a preselected temperature range.

Abstract: A multipurpose grill for grilling food items anywhere standard electricity is available. The multipurpose grill includes a lower housing member that has plurality of grilling sections, each thermostatically controlled, and a plurality of upper housing members for grilling the top sides of the food being cooked. The upper and lower housing members are pivotally connected.

Abstract: A wet tissue warmer has a case having an open end, a lid removably put on the case so as to cover the open end of the case and internally provided with a heater, and a lifting plate placed in the case and biased upward. When the lid is closed, a wet tissue package mounted on the lifting plate is kept in contact with the lid to heat the wet tissue package. Lifting plate locking devices are disposed in the case. The lifting plate is locked at the present position by the lifting plate locking devices when the lid is opened.

Abstract: In an otherwise well-known electric pop-up toaster, an auxiliary power switch is provided and is arranged to be opened by a timer after each toasting cycle. This ensures, in contrast to the well-known toaster arrangements, that power is interrupted to heating elements even if a carriage supporting slices of toast fails to move up at the end of a toasting cycle.

Abstract: An electrical oven includes a housing defining an inner space and having a bottom wall, two opposite side walls, a lid that is mounted pivotally on the side walls and that confine the inner space at rear and top sides of the housing, and a front opening for access to the inner space. A door is mounted on the side walls for closing the front opening. The lid is turnable relative to the bottom wall between a closed position, in which the lid confines the inner space at the rear and top sides of the housing, and an open position, in which the lid turns away from the door so as to permit the inner space to be exposed at the rear and top sides of the housing. A locking device is mounted on the lid so as to lock the lid unto the side walls when the lid is at the closed position.

Abstract: A serving and transport receptacle (1) for food dishes (2) filled with portioned meals, including a base part (16) which is made to be heat-insulating and provided with recesses (22) as well as means for heating the food dishes (2), and at least one hood-shaped cover part (36) which is made to be heat-insulating and capable of being positioned and coupled with the base part (16). An accommodation surface of the base part (16) includes at least one positioning means (18) rising above the accommodation surface and engaging in a positioning seat (13) provided in a surface (8) of a tray (3) containing the base part (16).

Abstract: A heating element assembly in the form of a heating tray and a method of manufacturing heating tray assemblies. The heating tray may be used for defrosting and heating pans such as so-called “half-pans” of frozen food products. The preferred heating tray is configured to fit precisely around a standard thin foil half-pan container, thus optimizing heat transfer between the heating tray and the food product. The varied surface watt density of the heating tray allows for accurate heat placement such that the food product can be evenly warmed while avoiding over warming or burning, particularly at the corners and edges. A preferred embodiment of the heating tray includes two resistance heating elements. The first heating element is a temperature booster used for defrosting and heating, while the second heating element is a maintenance heater to maintain heated food at a serving temperature.

Abstract: A heated container is formed from a substantially continuous element structure. The substantially continuous element structure includes an electrically insulative first and second polymeric layers and a resistance heating layer laminated between the first and second polymeric layers. An interior surface of the container includes the first polymeric layer, and the first polymeric layer is thermally conductive. The resistance heating layer has a pair of terminal end portions that may be coupled to a pair of external power leads to energize the resistance heating layer.

Abstract: A wet tissue warmer includes: a case (2) having an open end (2a), a lid (3) removably put on the case (2) so as to cover the open end (2a) of the case (2) and internally provided with a heater, and a lifting plate (9) placed in the case (2)and biased upward. When the lid (3) is closed, a wet tissue package (A) mounted on the lifting plate (9) is kept in contact with the lid (3) to heat the wet tissue package (A). Lifting plate locking devices (11) are disposed in the case (2). The lifting plate (9) is locked at the present position by the lifting plate locking devices (11) when the lid (3) is opened.

Abstract: An apparatus for thermally cycling samples of a biological material. The apparatus in its preferred embodiment includes: a thermal block assembly including a plurality of sample holders for receiving samples of biological material; a heat sink thermally coupled to the thermal block assembly, the heat sink transferring heat away from the thermal block assembly to ambient air in contact with the heat sink; a first heat source thermally coupled to the thermal block assembly to provide heat to the thermal block assembly; and a second heat source thermally coupled to the first heat source and configured to provide heat to a portion of the first heat source. The arrangement of the heat sink, first heat source and second heat source can provide substantial temperature uniformity among the plurality of sample holders. The invention also includes a method for thermally cycling samples of biological material.

Abstract: An expandable chamber support system for vehicle seat and mattress applications includes an expandable chamber constructed from facing sheets of flexible impermeable material that are sealed along their marginal edges. An upper one of the sheets is formed of electrically conductive elastomeric membrane that is electrically resistance heated while cooperating with a lower one of the sheets to provide pressure support for an occupant supported by the expandable chamber.

Abstract: A thermoelectric food service container having a doubled walled plastic molded container with foam disposed between the walls, and a door for access to container. A thermoelectric unit is connected to the container through access openings, and has P and N type semi-conductors connected for the flow of current between them from a power supply. Controls control the flow of current to the P and N type semi-conductors and a fan circulates air within the container over food containers in spaced relationship on support racks within the container.

Abstract: A wet tissue warmer includes: a case (2) having an open end (2a), a lid (3) removably put on the case (2) so as to cover the open end (2a) of the case (2) and internally provided with a heater, and a lifting plate (9) placed in the case (2) and biased upward. When the lid (3) is closed, a wet tissue package (A) mounted on the lifting plate (9) is kept in contact with the lid (3) to heat the wet tissue package (A). Lifting plate locking devices (11) are disposed in the case (2). The lifting plate (9) is locked at the present position by the lifting plate locking devices (11) when the lid (3) is opened.

Abstract: The present invention is a method for enhancing the cure of photocurable dental restorative composite(s) containing unreactive monomer(s) and filler upon exposure to light radiation comprising the steps of preheating the photocurable dental restorative composite(s) to an elevated temperature above ambient prior to said exposure to light radiation during clinical usage. The heating assembly of the present invention may be used to preheat any dental material(s) stored in one or more compules to an elevated temperature above ambient prior to clinical usage.

Abstract: An insulated case designed to keep medical pads warm and in a condition ready for application over a period of hours. The case typically includes a cover, multiple internal containers and a source of controlled heat to warm the pads. The pads, after being saturated with a medication such as alcohol, are stored in the internal containers where they are raised in temperature by the controlled heat source to a predetermined temperature range and maintain within that temperature range. At the same time, the vapor pressure is maintained at a level within the internal containers to prevent the escape of the alcohol from the pads through evaporation. The safety features of this apparatus include an over temperature alarm and automatic shut off as well as an over pressure alarm and vent, all of which operate even when there is a power failure. Internal containers are individually insulated and are removable for transport to wherever they are needed.

Abstract: A heated roller assembly includes a heating platform, a plurality of rollers disposed on the heating platform and a circuit for automatically controlling a surface temperature of each roller. The heated rollers of the heated roller assembly include an outer portion and an inner portion disposed within the outer portion. The inner portion is made of thermoset plastic and includes a groove and a heating element disposed within the groove.

Abstract: The invention is to provide an oven comprising an oven body which includes a base and a top cover pivotally connected with the base; a chamber, comprising an upper board fixed on the top cover and a lower board fixed on the base; and a water injection mechanism positioned between the top cover and the upper board. By continuously supplying water to the chamber, the oven can effectively prevent the food from over-dehydration and guarantee the freshness of the roasted food.

Abstract: A dissolution testing system comprises a vessel plate on which a plurality of vessels are mounted. Each vessel includes a lateral wall having an outer surface around which a plurality of flexible heater elements are attached. Each heater element includes a transparent surface area, a heat conductive element extending along the transparent surface area, a temperature sensing element extending along the transparent surface area, and an electrical contact element connected to the heat conductive element and the temperature sensing element. The transparent heater element allows unobstructed view into the interior of its vessel, and reduces the time required to achieve a stabilized set point temperature in the vessel. A heater control system communicates with each heat conductive element and each temperature sensing element through a corresponding one of the electrical contact elements. The heater control system permits each vessel to be controlled independently of the other vessels.

Abstract: A wrap heater is provided. The wrap heater includes a first heating sleeve and a second heating sleeve. The first heating sleeve includes a first electrically conductive heating grid, a first stiffening layer for providing rigidity, a first thermostat, and a first cover for enclosing the components in the first heating sleeve. The second heating sleeve includes a second electrically conductive heating grid, a second stiffening layer, a thermostat, and a cover enclosing the components of the second heating sleeve. An extension is provided for separating the first heating sleeve and the second heating sleeve. The wrap heater is provided for heating at least two surfaces of a food product. A method for heating food product, such as pizza, is provided.

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 method for heat-sealing a sheet of heat-resisting polymer to a heat-resisting polymeric fitment, which enables the fabrication of a containment and delivery system for a bulk quantity of meltable adhesive, wherein a rigid container is lined by a heat-resisting flexible envelope, with a heater interposed between them. Ports are sealed to the envelope to permit the filling and draining of molten adhesive.

Abstract: A device for applying heat to an adhesive of the type used to set an optical fibre in a termination therefor, the device including a portable housing, a heater disposed within the housing and a holder for holding the termination in operative relationship with the heater to promote curing of the adhesive.

Abstract: For an upright toaster, wire guards of spring material of inverted U-section with diverging arms are provided for defining the toaster slots. A toaster has a casing and one or more toaster slots for receiving bread, heating elements on each side of each slot and a plurality of wire guards defining the widths of the toaster slots. The widths of the slots are greater at the top than at the bottom with the base of the arm of the guard on at least one side of each of the slots being movable outwardly and restoring itself under the natural spring of its material.

Abstract: A food heating and cooling device including a tray, at least one main dish plate in the tray, at least one secondary dish plate in the tray, a cover associated with the tray for maintaining the food hot or cold, an inducer for heating, reheating or maintaining heat and powered by an electronic generator circuit which induces currents in an armature located on or under the plates, a thermoelectric exchanger for maintaining the food cold or cool by extracting residual heat from the plates and compensates for thermal insulation leaks from the tray and cover, and rechargeable batteries connected to the inducer and the thermoelectric exchanger.

Abstract: The invention relates to a cooking device with a cooking chamber, a heating device, a circulating system, an energy storage and extraction system and a measuring and regulating system connected to the heating device, the circulating system and the energy storage and extraction system.

Abstract: A batch type toaster includes a cool remote waiting zone and an intrinsically controlled transport mechanism that retains the bread in said waiting zone while the toasting zone is heating to optimum toasting conditions and subsequently moves the bread into the preheated toasting zone until the desired browning is obtained.

Abstract: The portable sports equipment drying container comprised: a box shaped body; a cover for the body; the body having opposed side walls and opposed end walls; an input fan mounted in one of the walls; an output fan mounted in a another one of the walls; a heating pad in the box shaped body; perforated or porous insulating structure between the heating pad and clothing or equipment placed in the box shaped body; and electrical circuitry for energizing the fans and the heating pad for drying moist or wet clothing or equipment placed in said container and for circulating air through the container.

Abstract: A baking oven with a movable up-and-down cover includes a housing and a cover movable up and down to close on an open upper side of the housing to adjust an inner hollow chamber of a baking oven after the cover is adjusted in its height and closed on the housing so as to save baking time and electric power used. The cover is adjusted in its height relative to the housing by means of two insert members having two ends selectably engaging one of plural vertical holes in a position means respectively fixed on two opposite side walls of the housing, and the insert members are moved inward or outward by a press button each in two grips fixed on two opposite sides of the cover to engage or disengage one of the position holes of the position member.

Abstract: A multiple cavity, portable baseball or softball bat warmer consisting of an insulated case with capped, suspended, open ended tubes adapted to receive bats in a vertical position that are connected to a heat chamber. The bat barrels are retained on a height-adjusting grate that is positioned according to league level. A convection thermal heat source is positioned below the retaining grate. Warmed air from the heat source rises through the grate heating the bats retained in the capped cavities above.

Abstract: A counter-top electric oven is provided that includes a number of features that prevent overheating of the components of the oven. These features include an actively cooled fan chamber, a hot gas vent, a cooling manifold that directs cooling air to cool the cooking enclosure and hot gas vented from the hot gas vent, and a base with thermally insulated supports for a metallic oven pan of the cooking enclosure.