Abstract: Silicon nitride sintered bodies consisting of prismatic crystal grains of Si.sub.3 N.sub.4 and/or sialon, equi-axed crystal grains of Si.sub.3 N.sub.4 and/or sialon, a grain boundary phase existing among the prismatic and equi-axed crystal grains and dispersed particles in the grain boundary phase, in which the prismatic crystal grains have an average grain size of 0.3 .mu.m or less in minor axis and an average grain size of 5 .mu.m or less in major axis, the equi-axed crystal grains have an average grain size of 0.5 .mu.m or less and the dispersed particles have an average size of 0.1 .mu.m or less, the volume of the dispersed particles being 0.05% by volume or more based on the total volume of the rest of the sintered body. The silicon nitride sintered bodies have a strength sufficient for use as structural materials of machine parts or members, with a minimized scattering of the strength as well as high reliability, superior productivity and advantageous production cost.

Abstract: There is disclosed an electric wire joining method wherein, for connecting a crimp terminal (10) to electric wires (11, 12), invading projections (10b, 10c) of the crimp terminal (10) break through insulative coating portions (11a, 12a) of the electric wires (11, 12) into contact with core wire portions (11b, 12b) of the electric wires (11, 12), and the invading projections (10b, 10c) are ultrasonically welded to the core wire portions (11b, 12b) of the electric wires. The electric wire joining method necessitates no stripping process of the insulative coating portions (11a, 12a) from the electric wires (11, 12) but provides stable electrical connection.

Abstract: A processing machine to process information recorded on a photographic film to be processed in the form of plural information. When information contents relating to the same processing item are recorded both in the form of information that is possible to rewrite and in the form of information that is impossible to rewrite, the photographic film is processed based on the form of information that is possible to rewrite.

Abstract: An apparatus for forming a latent image on a photoreceptor with a laser beam and for developing the latent image with a developer. A duty ratio of the laser beam is changed in accordance with the laps of using time of the developer.

Abstract: A driving mechanism for rotating a rotary body in use with an image forming apparatus such as a copying machine or a printer. The mechanism includes: a rotary body having an axis on a driving shaft; a driving mechanism, including a gear chain, for rotating the rotary body; a first dynamic damper, located at a first side of the rotary body on the axis, having a first specific frequency band for absorbing a vibration of the rotary body; and a second dynamic damper, located at a second side which is opposite to the first side on the axis, having a second specific frequency band for absorbing the vibration of the rotary body.

Abstract: There is disclosed an automatic terminal crimping apparatus (1) which comprises a cable cutting station (3), a mark positioning station (4), a mark location rotating station (5), a stripping station (6) and a terminal crimping station (7). The mark positioning station (4) includes a television camera (14) for image processing which senses a discrimination mark (8) of a high-voltage resistant cable (2), and circumferentially rotates the high-voltage resistant cable (2) and stops the rotation upon detection of the discrimination mark (8). At the mark location rotating station (5), the high-voltage resistant cable (2) positioned at the mark positioning station (4) is circumferentially rotated through a predetermined angle to orient the discrimination mark 8 in a predetermined direction.

Abstract: A shoulder belt for suspending a camera, a bag or the like comprises a belt body made of a thermoplastic synthetic resin material, and an accessory member, for example, a shoulder pad or a writing object, e.g., letters or pattern, made of a thermoplastic elastomer, which is rigidly secured to the belt body as an integral part thereof by fusion welding. The shoulder belt exhibits good durability and has beautiful appearance. In addition, the productivity is improved, and the production cost is reduced.

Abstract: A method for preparing silver halide emulsion which comprises silver halide grains containing an average iodide content of not more than 2 mol % comprising the steps of (i) preparing a seed emulsion containing silver halide seed grains, (ii) introducing the seed emulsion into a reaction vessel containing a hydrophilic colloid solution and (iii) introducing into the reaction vessel a silver salt and a halide salt to grow the silver halide grains from the seed grains, wherein in the step (iii), an emulsion containing silver iodide fine grains previously formed is supplied into the reaction vessel as a source of silver iodide; said seed grains are contained in an amount of 0.5 to 5.0% by volume in the hydrophilic colloid solution in the reaction vessel prior to introduction of silver and halide salts.

Abstract: A multi-layer composite made of at least one copolyamide protective layer, and at least one copolyamide barrier layer, with the protective layer placed such that it is between the barrier layer and a source of moisture. The protective copolyamide layer is composed of a partially aromatic, amorphous copolyamide of a specified composition, and the barrier layer is composed of a partially aromatic barrier copolyamide of a specified composition. This multi-layer composite is especially useful in reusable packaging systems, such as beverage bottles or containers of any kind.

Abstract: A sintered composite boron carbide body with SiC and/or TiB.sub.2 having a grain size of the order of nanometers and distributed among B.sub.4 C crystal grains and/or within the B.sub.4 C crystal grains is produced by hot-pressing a powder mix, which is composed of 44-99.5 vol. % B.sub.4 C, 0.5-60 vol. % SiC and/or 0.5-60 vol. % TiC, at 1,800-2,300.degree. C. for 5-600 minutes.

Abstract: A non-adhesive tape holder (20) which comprises a drum body (21), a tape restraining member (22), a coil spring (23), and a rotation-preventing projection (30). The tape restraining member (22) is bent into a generally inclined U shape and includes a support shaft portion (32), a connecting portion (33), and a tape hold-down portion (34). The support shaft portion (32) is supported by the drum body (21) rotatably about an axis parallel to the axis of the drum body (21) in a position eccentric relative to the axis of the drum body (21). The coil spring (23) is housed in a spring-receiving recess (27) of the drum body (21) and elastically urges the tape restraining member (22) to rotate the tape restraining member (22) about the axis of the support shaft portion (32). The connecting portion (33) of the tape restraining member (22) rotated by the urging force of the coil spring (23) abuts against the rotation-preventing projection (30) movably toward and away from the rotation-preventing projection (30).

Abstract: A novel cyan coupler for photographic dye, a process of forming a dye using the coupler and a photographic material containing the cyan coupler are disclosed. The coupler is represented by formula ##STR1## R, R.sub.1, X, m and n are defined in the specification.

Abstract: A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a silver halide emulsion layer and a hydrophilic colloid layer provided at the farthest position from the surface of the support on which the emulsion layer is provided. In the light-sensitive material, the silver halide emulsion layer contains tabular silver halide grains each having an aspect ratio of not less than 3; and the hydrophilic colloid layer contains a polymer latex comprising a polymer which comprises a repeating unit derived from a monomer having a solubility in water of not higher than 0.025 % in weight at 25.degree. C.

Abstract: A silver halide photographic light sensitive material comprising a support bearing thereon at least one silver halide emulsion layer and a backing layer on the back side of the support, wherein; the backing layer contains a compound represented by Formulas [1] or [2]; at least one of the hydrophilic colloidal layers including the silver halide emulsion layer contains a polymer latex stabilized with gelatin; and the outermost layer on the side of the layers including the silver halide emulsion layer or the outermost layer on the opposite side of the layers thereof contain a fluorine-containing anionic or cationic surfactant(s).

Abstract: In an apparatus for forming a toner image, a photoreceptor includes a plurality of layers, wherein the uppermost layer is a charge-transferring layer containing a charge-transferring material represented by the following general formula (1) and the oxygen gas permeability coefficient per unit thickness of the charge-transferring layer is not higher than 1.0.times.10.sup.-7 (cc/cm.sup.2.S.

Abstract: An apparatus for laying a wire in a junction box comprises means for performing the steps of: setting (S1) a covered wire E on a wiring plate along a wiring pattern arranged on said wiring plate by causing a relative movement between a wire feeder which successively feeds a single wire and the wiring plate along guide means formed on the wiring plate; cutting off (S2) portions unnecessary for conductive circuits from the wiring set on the wiring plate; and forming (S3) the conductive circuits in the junction box by inserting the wire remaining on the wiring plate into the wire-coupling portions of connecting terminals secured to a base and by removing the junction box from the wiring plate. Thus, it is possible to speed up the wire-laying work in a junction box having many conductive circuits.

Abstract: A silver halide light-sensitive photographic material comprising a support having a silver halide emulsion layer in which an induced absorption peak (a) obtained in a microwave photoconductivity measurement and a peak (b) obtained from the material with a pressure treatment under a prescribed condition satisfies a relation of b/a.gtoreq.0.85, is disclosed. The material shows less pressure desensitizations and high sensitivities.

Abstract: The present invention is to provide an apparatus for coating an advancing web on a backup roller Using a coating roller, which enables one to measure and control a coating gap between a lip surface of a coating die and the coating roller. The apparatus includes an extended portion which extends outward from each end of a slit portion of the coating die and has a reference surface parallel to the lip surface, the coating die is slidably located on a frame, a distance sensing means is fixed on each side of the coating roller, a distance is measured from the distance sensing means to the surface of the extended portion and the coating gap is controlled by sliding the coating die in a radial direction of the coating roller. Coating material is thereby controllably transferred from the coating roller to the web.

Abstract: Isomeric mixtures of pentanoic acids are prepared by subjecting butene-1/butene-2 mixtures to hydroformylation to form aldehyde mixtures, followed by oxidation of the aldehyde mixtures which have been separated off from the reaction product. The hydroformylation is carried out in a heterogeneous system in the presence of rhodium catalysts which are dissolved in water. The mixture of isomeric 5 carbon monocarboxylic acids produced, when esterified with polyhydric alcohols, yields mixtures of isomeric esters which are useful as lubricants for refrigerant compressors operated with chlorine-free, at least partly fluorinated hydrocarbons as the refrigerant.

Abstract: A process for processing a black-and-white silver halide photographic light-sensitive material is disclosed, the material comprising a photographic component layer containing a hydrazine compound, and the process comprising the step of exposing the light-sensitive material, and developing the exposed material with developer having a pH of not more than 10.7, the developer being prepared from a solid developing composition and the developer being replenished with developer replenisher in an amount of not more than 250 cc per m.sup.2 of the light-sensitive material to be developed.