Abstract: A molding machine for manufacturing a shaped article which is comprised of a polymeric material and formed in a mold cavity between first and second mold halves of a mold assembly. At least one spring-loaded ejector member is provided in the first mold half and serves to eject the shaped article therefrom. The ejector member is movable toward and away from the second mold half and operates when the two mold halves are being opened. At least one resilient member urges the ejector member toward the second mold half. The resilient member exerts a resilient force to the ejector member, which is smaller than a tightening force of the mold halves. A method for manufacturing a shaped article comprised of a polymeric material includes providing at least one ejector member in the first mold half of the molding machine such that as the mold halves are opened, the ejector member urges the insulator away from the first mold half in which the ejector member is disposed.

Abstract: A silver halide photographic laight-sensitive material is disclosed. The light-sensitive material comprises a support and a silver halide emulsion layer and a non-light-sensitive hydrophilic colloid layer provided on the support, wherein at least one of the silver halide emulsion layer and the non-light-sensitive hydrophilic colloid layer contains a compound represented by the following Formula 1, and the silver halide emulsion layer contains tabular silver halide grains having an average aspect ratio of not less than 2.0 account for at least 50 % of total grain projected area of the emulsion, and the tabular grains have an average silver iodide content is not more than 1 mole-%;Formula 1R.sub.11 --(S).sub.n --R.sub.12wherein R.sub.11 and R.sub.12 are each independently represent an aliphatic group, an aromatic group or a heterocyclic group, the groups represented by R.sub.11 and R.sub.12 may be the same or different and they may be bonded with together to form a ring; and n is an integer of from 2 to 6.

Abstract: A disclosed method of repairing a shed portion of a composite insulator having a core portion, a sheath portion arranged on an outer surface of the core portion, and a plurality of shed portions projected from the sheath portion, includes the steps of, (1) cutting out the shed portion having defects from a portion thereof adjacent to the sheath portion, and connecting a new shed portion having the same shape as that of the cut out shed portion to the sheath portion at the cut out portion, or (2) cutting out partly said shed portion having defects, and connecting a repairing member to said cut out portion. Therefore, it is possible to perform the shed portion repairing operation without wasting the normal shed portions.

Abstract: A method of producing a composite insulator having a sheath and shed portions molded around a core rod, grasping metal fittings engagingly fitted and fixed at both end portions of the core rod, the sheath covering the core rod between the grasping metal fittings on the whole circumference of the core rod, and a plurality of shed portions extruding radially outwardly from the sheath at plural positions spaced from each other in the longitudinal direction of the core rod, by filling an insulative high molecular material and subsequent vulcanization thereof in the cavity of molding die portions. The method includes positioning and retaining the core rod at a desired position in the cavity of the molding die portions by means of retaining rings engagingly fitted on the grasping metal fittings and allowing an excess portion of the insulative high molecular material filled in the cavity to flow out to the exterior of the cavity between the grasping metal fittings and the retaining rings.

Abstract: Apparatus for manufacturing a composite insulator including an FRP core rod which is integrally provided with a sheath and a plurality of sheds formed of an electrically insulating polymeric material. The core rod has a longitudinal end portion provided with a seat for a metal fitting, which is integral with the sheath. To manufacture such a composite insulator, the core rod is placed in a mold cavity of a mold assembly, with a seat forming member detachably fitted to the end portion of the core rod and arranged between a pair of mold halves. An inner space is formed between a seat forming member and the core rod, which is in communication with the mold cavity. An electrically insulating polymeric material is introduced into the mold cavity to form the sheath and sheds, while admitting the polymeric material into the space between the seat forming member and the core rod so as to form a seat for the metal fitting, which is essentially free from burrs.

Abstract: A method for chemically sensitizing a silver halide photographic emulsion with a selenium compound is disclosed. The sensitizing method comprises the steps ofpreparing a dispersion of solid particles of a selenium compound in an aqueous medium by a process comprising the following steps of(1) dissolving a substantially water-insoluble organic selenium compound in a substantially water immiscible low-boiling organic solvent to prepare a selenium compound solution,(2) dispersing the selenium compound solution in water or an aqueous solution of a dispersing aid to form a oil-in-water type dispersion, and(3) removing the organic solvent from the oil-in-water type dispersion by stirring the dispersion under a decompressed condition to precipitate the selenium compound so as to form a dispersion of fine solid particles of the selenium compound having an average particle size of 10 nm to 3 .mu.

Abstract: A light-sensitive silver halide photographic emulsion is disclosed, wherein at least 70% of the total projected area of silver halide grains are tabular grains having an average aspect ratio of a diameter to a thickness of 2 or more, an average value of the longest distances between two or more parallel twin planes contained in the respective tabular grains is 0.008 .mu.m or more, and a variation coefficient of the longest distances between parallel twin planes is 35% or less, and wherein the silver halide emulsion is spectrally sensitized with a substantially slightly water-soluble sensitizing dye by adding the dye to the emulsion in the form of a dispersion of solid particles dispersed in an aqueous solution substantially free from an organic solvent or surfactant.

Abstract: A silver halide photographic light-sensitive material is disclosed, comprising tabular grains having an average aspect ratio of diameter to thickness of 2 or more, having an average overall iodide content of 2 mol % or less, and having a surface phase containing 3 to 20 mol % iodide on the average.

Abstract: A composite insulator includes a FRP core rod and a sheath which is formed by integrally molding an insulating polymeric material to cover the core rod over substantially the entire length thereof. The sheath is composed of a plurality of molded portions which are aligned with each other in the axial direction of the core rod. Adjacent molded portions of the sheath are arranged relative to each other so that a gap is left between the opposite ends of the molded portions. The gap is filled by a joint insulating material which is integrally united to the polymeric material of the adjacent molded portions.

Abstract: A head position controlling device in which the head position may be controlled accurately even with a magneto-optical disc having regions with different reflectance values. A gap sensor consisting of a light emitting element 5 and light receiving elements 6 and 7 are arrayed along the track direction of a magneto-optical disc to prevent unequilibrium in the volume of received light at the light receiving elements 6 and 7.

Abstract: A refrigerant comprising (1) dichlorotrifluoroethane and (2) at least one compound selected from the group consisting of chlorotetrafluoroethane, pentafluoroethane, tetrafluoroethane, 1-chloro-1,1-difluoroethane, 1,1,1-trifluoroethane and 1,1-difluoroethane.

Abstract: The present invention provides a refrigerant comprising 1,1,1-trifluoroethane and either chlorotetrafluoroethane or tetrafluoroethane.

Abstract: A silver halide photographic material is disclosed, said material having silver halide emulsion layers on a support, the emulsion in said silver halide emulsion layers containing magenta coupler represented by the following formula (I), said emulsion containing silver halide grains which have a (110) plane and/or a crystal plane having an edge running through substantially the center of a (110) plane, the silver halide composition of said grains being substantially made of silver bromide and/or silver iodobromide: ##STR1## where Z represents a group of the non-metallic atoms necessary for forming a nitrogen-containing hetero ring which may have a substituent; X is a hydrogen atom or a substituent which is capable of being eliminated upon reaction with the oxidation product of a color developing agent; and R is a hydrogen atom or a substituent.

Abstract: A silver halide photographic light-sensitive materially having at least one silver halide emulsion layer comprising a magenta coupler represented by formula I and negative type silver halide grains having a core-shell structure which consists of:(a) an inner core consisting essentially of silver bromide or silver iodobromide; and(b) a plurality of shells consisting essentially of silver bromide or silver iodobromide comprising:(i) an outermost shell containing 0 to 10 mol % of silver iodide;a high iodide-containing shell provided inside said outermost shell having a silver iodide content at least 6 mol % higher than that of the outermost shell; and(iii) an intermediate shell provided between the outermost shell and the high iodide-containing shell having a silver iodide content at least 3 mol % higher than that of the outermost shell, and at least 3 mol % lower than that of the high iodide-containing shell: ##STR1## Wherein Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing

Abstract: The present invention provides:(1) a working fluid comprising at least one of 3-chloro-1,1,1,2,2-pentafluoropropane and 1-chloro-1,1,3,3,3-pentafluoropropane,(2) a working fluid comprising (1) at least one of 3-chloro-1,1,1,2,2-pentafluoropropane and 1-chloro-1,1,3,3,3-pentafluoropropane and (2) at least one of 2,2-dichloro-1,1,1-trifluoroethyane, 1,2-dichloro-1,1,2-trifluoroethane and 1,1-dichloro-1,2,2-trifluoroethane, and(3) a working fluid comprising (1) at least one of 3-chloro-1,1,1,2,2-pentafluoropropane and 1-chloro-1,1,3,3,3-pentafluoropropane and (2) 1,1-dichloro-1-fluoroethane.

Abstract: The present invention provides a refrigerant comprising tetrafluoroethane and either chlorodifluoromethane or chlorodifluoroethane.

Abstract: A refrigerant comprising (1) dichlorotrifluoroethane and (2) at least one compound selected from the group consisting of chlorotetrafluoroethane, pentafluoroethane, tetrafluoroethane, 1-chloro-1,1-difluoroethane, 1,1,1-trifluoroethane and 1,1-difluoroethane.

Abstract: A refrigerant comprising chloro-difluoromethane and 1,1,1-trifluoroethane.

Abstract: The invention provides a working fluid for Rankine cycle comprising 1,2-dichloro-1,1,2,-trifluoro-ethane; and a process for converting thermal energy into mechanical energy in the Rankine cycle in which a cycle is repeated comprising the steps of vaporizing a working fluid comprising 1,2-dichloro-1,1,2-trifluoroethane with a hot heat source, expanding the resultant vapor in an expansion device, cooling it with a cold heat source to condense and compressing it by a pump.

Abstract: A silver halide color photographic material having at least one silver halide emulsion layer on a support is disclosed. Said silver halide emulsion layer contains at least one of the 1H-pyrazolo [3,2-c]-S-triazole derived magenta couplers that have a substituent of the following formula at 3-position:--R.sub.1 --S(O).sub.n --R.sub.2whereinR.sub.1 is an alkylene group;R.sub.2 is an alkyl, cycloalkyl or aryl group; andn is 1 or 2.