Abstract: An X-ray radiographic apparatus for medical use in photographing tomographic images and X-ray penetration images of an examinee. This apparatus has a bed horizontally movably supporting a top board for carrying the examinee, a gantry for X-ray tomography including a first X-ray source revolvable around the examinee and a first X-ray detector for detecting transmitted X-rays, a second X-ray source mounted on a moving mechanism movable on a three-dimensional coordinate system in an examination room accommodating the bed and the gantry, a high voltage unit for supplying an X-ray generating high current to the first X-ray source and the second X-ray source, a switch for selecting a destination of output of the high voltage unit, and a second X-ray detector for detecting transmitted X-rays from the second X-ray source.

Abstract: A controller for a game machine includes a flat shaped housing. A direction designating operator is formed on the left side of upper surface of housing, and operation designating operator is formed on the right side. An operation designating operator is provided on a front side surface of the housing. The operation designating operator includes a key switch formed on the left side of a front side surface of housing, and a key switch formed on the right side. Left and right ends of the controller for a game machine are held between left and right palms to be used. While holding controller for a game machine, a player operates direction designating operator by his left thumb, operates operation designating operator by his right thumb. Further, player operates key switch by his left index finger or middle finger placed on the front side surface of housing, and operates key switch by his right index finger or middle finger.

Abstract: A locking groove extending in the horizontal direction is formed approximately at the center of a front surface of a cartridge. A power switch is turned on/off in response to an operation of a slide switch. When the power switch is turned on by the slide switch, a lock plate rotates in response to the operation of the slide switch. At this time, a projecting portion provided on one side of the lock plate is fit in the locking groove. Consequently, simultaneously with the turning on/off the power, the cartridge is locked so as not to be ejected.

Abstract: There is disclosed a method for inspecting a physical feature on a surface of a manufactured article. First, a sensor is provided adjacent to the article. Then, the surface of the article is sensed by the sensor while causing one of the sensor and the article to rotate about an axis perpendicular to the surface of the article, to thereby obtain a signal which has peaks corresponding to the physical feature on the surface of the article. Subsequently the signal is processed and the processed signal is analyzed based on the number of the peaks, to thereby obtain information as to the physical feature on the surface of the article. An inspection apparatus suitable for practicing the above-mentioned method is also disclosed.

Abstract: An adaptor for an electronic gaming machine cartridge which will enable the use of a cartridge of a particular configuration to be used in a gaming machine designed to operate with a cartridge of a different configuration. The adaptor includes a case having a main portion which houses a connector board and an edge connector for electrically interconnecting the connecting board and a circuit board in the cartridge. The case also includes a pair of guide supports which extend aft of the main portion in a spaced parallel relation and act to support the cartridge. The adaptor further includes structure for preventing the cartridge from being inserted in the adaptor upside down and further structure for preventing the adaptor itself from being inserted upside down in the gaming machine.

Abstract: A nozzle or nozzles for spraying cooling water are disposed at the lower end of a slag suction path. A cooling water down-flow passage is provided on the outer periphery of an inner tube which constitutes a slag suction path. A water sump is provided below the cooling water down-flow passage, the water sump being located lower than the each nozzle. A lower end opening of the cooling water down-flow passage is disposed lower than the each nozzle and is submerged in water in the water sump. The cooling water down-flow passage, except the lower end opening, is adapted to be closed up. When the cooling water down-flow passage is closed up, water in the passage is stopped by atmospheric pressure acting upon the surface of the water in the water sump, so that it is prevented from flowing down.

Abstract: A 4-pyrazolyl phosphorous acid ester of the following formula, ##STR1## (R is a lower alkyl group; Y is a phenyl group which may optionally be substituted by a halogen, halogens, a lower alkyl group or a halogen and a lower alkyl group.) which is produced by reacting corresponding 4-hydroxylpyrazole compound with a trialkyl phosphite. The ester gives 4-pyrazolyl phosphorothioate by the reaction with an alkylsulfenyl halide.

Abstract: Yellow iron oxide pigments having improved heat stability are prepared by subjecting an alkaline slurry of conventional yellow iron oxide, a soluble ferric salt, sodium aluminate, and a third metal component, exemplified by antimony ion or a zinc ion/titanium ion combination, to a hydrothermal (autoclave) treatment at about 100.degree.-240.degree. C. The separated solid product has a heat stability temperature (based on the color change from yellow to red when heated) appreciably higher than that of the starting iron oxide.

Abstract: Yellow iron oxide pigments having improved heat stability are prepared by subjecting an alkaline slurry of conventional yellow iron oxide, a soluble ferric salt, and sodium aluminate to a hydrothermal (autoclave) treatment at 100.degree.-240.degree. C., separating and slurrying the resultant solid product, and subjecting that product to a second hydrothermal treatment of 250.degree.-350.degree. C. The original iron oxide has a heat stability (based on color change from yellow to red) temperature of about 203.degree. C., while the final product shows a change at 270.degree. C.

Abstract: Yellow iron oxide pigments having improved heat stability are prepared by mixing a conventional yellow iron oxide pigment with an aqueous alkaline solution of a soluble antimony compound. This yields a yellow pigment whose particle surface is coated with "antimony-bloom", and this product has a higher heat stability temperature than does the starting yellow iron oxide. When the product coated with "antimony-bloom" is subjected to hydrothermal treatment (autoclaving), the resultant material has a yet-higher heat stability temperature. Other, related treatments furnish products with improved heat stability temperatures.

Abstract: Synthetic yellow iron oxide (.alpha.-FeOOH) is dispersed in an aqueous ferric solution, and an adequate alkali solution and an aqueous aluminum salt solution are added. The resultant dispersion is subjected to a hydrothermal treatment at 150.degree.-250.degree. C. By this treatment, the surface of the synthetic yellow iron oxide is covered with a (FeAl)OOH (solid solution). Yellow iron oxides treated thus have an elevated resistivity to heat of about 50.degree. C. The modified synthetic yellow iron oxide thus obtained is non-toxic and can be used as a pigment in plastics and melt-type traffic paint.

Abstract: In a scum removing apparatus including a suction source, a suction pipe having one end communicating with the suction source and the other free end positioned above the surface of scum to suck the scum and apply water to the sucked scum in the vicinity of the free end, and a scum separator provided at an intermediate portion of the suction pipe, a device for detecting the level of the scum surface relative to the free end of the suction pipe. The detecting device comprises a pair of electrode rods provided on the outer periphery of the free end of the suction pipe and projecting from the pipe end by a suitable length, and means for detecting variations in the electric resistance between the electrode rods. The electrode rod comprises a tube having accommodated therein a slider slidingly projectable from the front end of the tube and slidingly retractable into the tube.

Abstract: A method of removing slag or like scum from the surface of molten metal by suction. A tubular gaseous stream directed toward the surface of scum is formed, with its interior space communicating with a suction source such as an ejector or vacuum pump. The gaseous stream hampers the inflow of external air into the suction zone surrounded by the stream. On reaching the scum surface, the gaseous stream flows inward along the scum surface and is thereafter drawn toward the suction source, so that the stream acts to blow the scum radially inwardly of the stream and thereafter raises the scum from the surface of molten metal, thus permitting efficient removal of the scum with a relatively low suction. A scum removing apparatus for practicing this method includes a suction source, a suction head communicating with the suction source, and annular nozzle means provided around the suction head for forming a tubular gaseous stream flowing toward the surface of scum.

Abstract: A telescopic assembly for pipes for conveying powdery to granular materials entrained in an air or like gaseous stream comprises two pipes of different diameters coaxially fitting one within the other and axially slidable relative to each other, a labyrinth packing provided around a front end portion of the inner pipe for preventing leakage of the stream or ingress of the atmosphere through the clearance between the two pipes, and a scraper attached by a plate spring to the retainer ring of the labyrinth packing on the front end of the inner pipe and in pressing contact with the inside peripheral surface of the outer pipe. Rollers carried by the outer pipe engage the outer surface of the inner pipe and aid in maintaining a uniform clearance between the two pipes.

Abstract: A suction head for apparatus for removing slag or scum from the surface of molten metal or the like includes a suction pipe having a scum inlet at one end and communicating at the other end with a suction source by way of a conduit, a scum separator, etc. The suction head further includes a water cooling jacket provided around the suction pipe at least close to the scum inlet, and a water injector for injecting the water in the jacket into the suction pipe at a position close to the scum inlet. The water injection comprises a first nozzle for forcing out the water toward the axis of the suction pipe to cause the water to impinge against the sucked scum and to thereby rapidly solidify the scum on cooling, and a second nozzle for injecting the water into the suction pipe along the inner peripheral surface thereof to prevent the adhesion of the scum to the inner surface of the suction pipe.