Abstract: The cooking assembly directs initial hot gases from a heat source against a heat semiconductive base. It then guides the gases to flues behind partitions that define sides of a cooking chamber. The gases flow over the partitions, down past food to be cooked, and then out vents. A uniform temperature distribution is achieved in the cooking chamber. The cooking assembly can be a barbecue cooker.

Abstract: In order to provide thermal coupling of a package, particularly a package containing electronic components, and a heat sink, a thermal transfer assembly includes a first assembly having a group of generally parallel cooling fins coupled to the package. Coupled to the heat sink, such as cooling plate, is a second assembly also including a plurality of generally parallel cooling fins. The second set of cooling fins is positioned on the heat sink so that when the heat sink is in a predetermined position with respect to the package, the cooling fins overlap. The overlapping cooling fins permit efficient transfer of heat thus permitting heat generated in the package to be conveyed to the heat sink. The overlapping fins also permit convenient disassembly and reassembly for test and maintenance procedures. Techniques for fabrication of the thermal transfer assembly are described along with procedures for improving the operation of the heat transfer assembly.

Abstract: Apparatus for use in detecting micro-organisms in any one of a plurality of samples of a liquid, such as a food or drink product, e.g. for control of production, comprises a plurality of containers (11) for the sample and a container-mounting member (10) to receive and locate each of the containers, each container being provided with a first electrode of a noble metal (16) and a second electrode, which may be constituted by the body of the container (11), insulated from the first and of a different metal. The container-mounting member (10) is provided with separate contacts (12) and leads for each of the noble metal electrodes (16) and with contacts (922) connected to a common lead for each of the second electrodes.

Abstract: A baffle for partitioning fluid circulating passages that are provided in a structure for heat transfer purposes. The baffles are inserted without the need for extra drilling and tapping of the structure, and include an elongated, substantially flat body which is inserted into a passage to thereby partition the passage into two conduits, which act as supply and return conduits for fluid flow. The baffle further extends into another passage, through which fluid flows, to thereby block the flow of fluid and force the fluid to flow through the partitioned passage via the defined conduits. The baffle is held into position by resilient arms which project outwardly from the baffle and are received fully within the non-partitioned passage.

Abstract: A sample stored in a reservoir is introduced into a flow chamber having a pair of panel electrodes interposed by an insulating flat plate spacer having an opening. After electro-fusion is completed or while electro-transfection is being conducted by the application of a suitable voltage between the panel electrodes, fused cells or cells that have been transfected with nucleic acids are discharged out of the flow chamber, and the sample in the reservoir is simultaneously introduced into the flow chamber. This cycle of operations is repeated.

Abstract: An anaerobic germiculture receptacle comprises a first receptacle and a second receptacle accommodated in the first receptacle; a sealing plug securing the seal against the first receptacle, the sealing plug including a bore in which the second receptacle is held; and a pushing rod insertable in the bore so as to push the second receptacle down, wherein all operation is safely carried out without breaking the air-tight arrangement.

Abstract: A plug-flow composting reactor including a longitudinal hollow chamber having a floor, a pair of oppositely disposed side walls, and a top wall. The reactor preferably includes an entrance structure and an exit structure mounted at opposite ends of the hollow chamber to thereby substantially close the reactor when desired. The floor of the chamber further includes a plurality of longitudinal slats slidably mounted for longitudinal reciprocation relative the side and top walls. The slats are located in parallel relationship to one another along the chamber, with adjacent slats preferably laterally spaced from one another by interposed aeration conduits. These aeration conduits provide aeration gases to the organic matter within the reactor. Vents for exhausting the aeration gases from the chamber are provided to ensure a predetermined flow of such gases through the chamber.

Abstract: A dipped headlamp for motor vehicles comprising a bulb, a reflector and closure glass placed in front of the reflector and bulb. The bulb is an axial filament bulb without a masking cup. The reflector comprises a reflecting surface without any discontinuity and suitable for forming images of the filament with all points of the image being situated below a horizontal plane. Correction means for angularly displacing said images upwardly to raise them to level of the two horizontal masking half-planes comprise prisms in the closure glass or side sections of the reflector which are tilted upwardly.

Abstract: The invention concerns an apparatus including an air diffuser device and process useful in the domestic scale aerobic composting of organic wastes. The air diffuser has within its air admitting opening means to exclude insects, small animal pests and to also exclude waste from entering the air diffuser. Containers may be employed which have only a single opening admitting access to the contents of the container and the side walls of the container need not have apertures. The air diffuser device may be used with a variety of types of containers and particularly with plastic bags. By using containers which do not have openings to the exterior, except for the opening in which the air diffuser is located and possible small liquid drainage openings, composting may be undertaken with control of pests and flies in regions near residences and without excessive drying of the edges of the compost mass, in a way not previously known.

Abstract: A dimmed motor vehicle headlight is provided with an ellipsoidally shaped reflector, where a light source is disposed at a first focal point of the reflector. A collector lens is supported by a frame having an annular part which is connected to the reflector and where the lens is disposed behind a second focal point of the reflector. A diaphragm is provided which is in the path of the light beam ahead of the collector lens and disposed at the respective focal point of the collector lens. The diaphragm is provided adjustable and with an upper substantially horizontally running edge that generates a light-dark boundary. The diaphragm and the frame are formed as a single part. The frame is provided by a beaker shaped sheet metal piece, where a cut out floor area serves to support the lens and where arm shaped webs are cut free from a wall forming a jacket face. One of these webs is angled toward the optical axis such that its upper end edge forms the diaphragm edge for the light-dark boundary.

Abstract: A metal foil for forming a dental coping in the construction of a dental restoration comprising at least two or more layers of precious metal with a disc-like shape and a cross-section of variable thickness and/or an undulating surface geometry.

Abstract: This invention relates to candles. It provides a candle and base structure that allows a candle to maintain the candle flame at substantially the same elevation as the candle burns. The invention further provides a candle lantern and a movable base for a candle lantern.

Abstract: A low beam headlamp for motor vehicles includes an objective made of pressed glass whose one side is formed as aspheric partial surfaces of identical or different aspherity. The partial surfaces are staggered in the direction parallel to the optical axis of the objective and the resulting step has rounded edges. The aspheric partial surfaces adjust light distribution to achieve a desired quality of the light-dark boundary zone projected on the driveway, and provide corrected color fringes of the passing light beam.

Abstract: A tray-hanging device is disclosed for trays used in an analyzer. It comprises a rotatable platform having a raised annular lip configured to engage a first part of the tray along a first side of the lip, and a depending skirt portion positioned above the platform, configured to receive the weight of a second part of the tray pressing on a side of the skirt portion opposite to the engaged first side of the lip, the lip further including centering notches shaped to cooperate with ribs on the tray to prevent relative respective rotation of tray and device, and to properly locate the tray on the platform.

Abstract: In the visual measurement system for reading the occulusal clearance between the pulpal cavity wall and the opposing tooth, a thermoplastic material for occulusal registration is cast in a pulpal cavity wall at the time of the primary preparation of a cavity or abutment, and is put into occulusal closure engagement with the opposing tooth to register the opposing tooth surface thereon, the material being capable of being softened and formed at a temperature slightly higher than the internal temperature of the oral cavity and being of slight transparency. A specially designed explorer for thickness mesurement is then inserted into the required regions on the prepared surface covered with the material, thereby to produce indentations which are of various sizes and shapes similar to those of the head of the explorer, and which has its width coincident with the indented depth, and the sizes of the indentations are visually observed to read the clearance between the pulpal cavity wall and the opposing tooth.

Abstract: A piston biasing means including, a coil-type spring, adapted to exert pressure on one side of a piston to be biased in a predetermined direction, a spring retaining means which is slidable toward and away from the piston when the spring is compressed and released and centering means, preferably including pivot balls on each end of the spring, so as to make point contact and rolling contact with the piston. A spring adjusting means to adjust the tension on the spring is also included. A piston assembly and valve assembly incorporating the piston biasing means are also described.

Abstract: An improved system for containing and inserting suppositories and objects includes the suppository or object, a sheath which surrounds the suppository or object and is open at one end, a broad-collared ring with an opening therein for passage of the suppository or object and the sheath, and a closure which is removably secured over the opening in the ring.

Abstract: A heat exchanger tube for evaporation or condensation, comprising:projected parts having cavities and provided on at least one of the inner wall surface and the outer wall surface of a tubular body, and plain parts formed on the same surface as the projected parts so that the projected parts and the plain parts mingle together.

Abstract: This invention provides improved gas-fired heater means for supplying heat to a space, such as a room, house, building, vehicle, or the like.

Abstract: A solar tracking control system for generally controlling the position of a pivotable solar panel connected to a motor by selectively energizing and de-energizing the motor. A signal programmer generates a plurality of time dependent signals wherefrom periodic motor energizing signals are generated for retaining the motor energized and the solar panel pivoting westerly. The degree of pivot of the solar panel is detected and a de-energizing signal is provided for stopping the motor and the westerly pivoting of the solar panel. The solar tracking control system is energized and de-energized in response to a power signal generated by signals received from the signal programmer. A water storage tank is connected to the solar panel and a water pump connected therebetween is energized on the occurrence of a preselected temperature different between the solar panel and the water storage tank.