Abstract: There is provided a resin container manufacturing apparatus configured to stretch a preform disposed in a stretch blow molding mold by a stretching rod and stretch the preform by introducing blow air into the preform so as to form a resin container. The resin container manufacturing apparatus includes detection means for detecting an actual position of the stretching rod inserted into the preform, and supply control means for controlling a supply state of the blow air based on a detection result of the detection means.

Abstract: The present invention relates to holding a call being executed between communication devices in a communication system which has a first function for a holding party of the communication devices to hold the call by transmitting a first request signal to a held party and a second function for the holding party to hold the call by transmitting a second request signal to the held party and receiving a response signal. The holding party transmits the second request signal first and when the response signal is not returned within a given time, transmits the first request signal. A transit device for relaying a call between communication devices, unless detecting the response signal within a given time after relaying the second request signal, transmits the first request signal to the held party, generates the response signal and transmits the generated response signal to the holding party.

Abstract: A threaded fastener formed on the middle of a head thereof comprises a concave or convex drive shape adapted to engage with a clamping tool. The drive shape comprises projections equiangularly spaced from one another to extend radially from an axis of the threaded fastener, curved portions formed between the projections to dent toward the axis, and drive surfaces formed between the projections and the curved portions. Clamping forces acting on the drive surfaces are directed toward substantially perpendicular to a straight line passing through the axis and apices of the projections.

Abstract: An electronic mail system is provided that can control suppression of a transmission band and a storage area of a mail, and can communicate all contents of a mail transmitted from a sender to a receiver. The electronic mail system is provided with a transmission apparatus (1) and a reception apparatus (2). The transmission apparatus (1), when transmitting a mail A with a signature added, transmits a mail A′ whose size is made smaller by converting the signature to a signature ID. The mail A′ is held in a mail server 4 through a mail server 3. The receipt apparatus 2, when receiving the mail A′ from the mail server 4, restores the mail A by converting the signature ID in the mail A′ to the signature.

Abstract: A fiber reinforced plastics comprises a resin and chopped strands dispersed in the resin, wherein the chopped strands comprise glass fiber chopped strands composed of cut assemblies of glass filaments and high elastic chopped strands composed of cut assemblies of high modulus inorgtanic filaments having higher elastic modulus than the filaments and having 3000 or less number of assembled filaments. By this arrangement, the both chopped strands are closely and uniformly dispersed in the resin and the force interaction between the both chopped stands are enhanced. The resultant plastics has remarkably improved strength and fatigue durability, and higher rigidity than conventional ones.

Abstract: A sealed case has first and second housing portions. A motor section is arranged in the first housing portion of the sealed case and has a rotating shaft extending toward the second housing portion. A compression section has first and second compression mechanisms stacked in the second housing portion of the sealed case and driven by the rotating shaft. A first valve cover has a predetermined volume so as to temporarily store a high-pressure fluid discharged from the first compression mechanism near the motor section. A second valve cover has a predetermined volume larger than that of the first valve cover so as to temporarily store a high-pressure fluid discharged from the second compression mechanism opposite to the motor section.

Abstract: A method for the manufacture of a fiber reinforced plastic structure, comprising the steps of winding a continuous long-staple fiber impregnated with a liquid resin around a plurality of winding jigs until the resultant bundle of resin impregnated fibers attains a predetermined thickness; setting rings tightly in place on the linear portions of the resin impregnated fiber bundle between the jigs; and moving the tightly set rings relative to the linear portions thereby wringing the resin impregnated fiber bundle and expelling bubbles entrapped within the fiber bundle.

Abstract: A steering wheel core material of continuous filament FRP for vehicles which is made up of a ring, a boss positioned at the center of the ring, and spokes connecting the boss to the ring, said boss being integrally joined to a boss metal fitting. It is formed by winding resin-impregnated continous filaments in layer around the ring- and spoke-forming mold and the body of the boss metal fitting, with an elastic material interposed between the body of the boss metal fitting and the FRP.

Abstract: A core for a steering wheel made of a long fiber-reinforced resin in which a ring portion, a boss portion and a three spoke portions including a first spoke portion, a second spoke portion and a third spoke portion extending in a generally T-shaped configuration from the ring portion to the boss portion, are formed by bundles of continuous fibers reinforced with a resin. The cross-sectional area for the second spoke portion situated between the first spoke portion and the third spoke portion is made smaller than the cross-sectional area for the first spoke portion and the third spoke portion.

Abstract: A process for preparing a fiber reinforced plastic structure having points of branching, which comprises the steps of, positioning pins at points of branching in the structure and repeatedly hanging and repeatedly stretching a resin-impregnated strand of continuous long-staple fibers over and between said pins, thereby completing the structure of the points of branching.

Abstract: A method for joining a fiber-reinforced plastic structure to a metallic insert for fitting around a rotary shaft is disclosed. The method comprises winding a resin-impregnated strand of continuous long-staple fibers around an engaging means formed on the metallic insert thereby effecting the desired union. By this method, a rotatable element such as a wheel, a hand-wheel or the like, such as a steering wheel can be produced.

Abstract: An aluminum alloy cylinder block for use in a water-cooled internal combustion engine has a cylinder with a bore into which a piston is to be movably fitted. A water jacket provided on the outer side wall of the cylinder is adapted to allow the passage of water therein for cooling the engine. The depth of the water jacket from the top of the cylinder block is preferably from 0.2 to 0.5 times the length of the cylinder. A crank case has a side wall connected to the bottom of the water jacket, and a cylinder rib extends from the inside of the side wall of the crank case toward the water jacket.