PURPOSE:To improve the transient responsiveness of the speed change ratio control by providing two pressure regulation valves for producing two types of line oil pressures having different levels, then controlling each hydraulic cylinder for modifying the effective diameter of a pair of variable pulleys by the differential pressure between both line oil pressures. CONSTITUTION:In a hydraulic contr...

A hydraulic control system for a continuously variable transmission for an automotive vehicle, the transmission having a first and a second variable-diameter pulley provided on respective first and second shafts, a belt connecting the first and second pulleys, and a first and a second hydraulic cylinder for changing effective diameters of the first and second pulleys. The control system includes a...

PURPOSE:To improve the control response by controlling a spool valve chip in a speed change control valve which controls respective hydraulic cylinders for modifying the effective diameters of a pair of variable pulleys by means of the control hydraulic pressure being fed from a control oil pressure source and controlled through a solenoid control valve. CONSTITUTION:In a hydraulic control circuit...

PURPOSE:To prevent the slippage of a transmission belt caused on the leakage of the working oil by providing an unilateral bypath between an oil path of the working oil flowing out from a speed change control valve for controlling respective hydraulic cylinders which modifies the effective diameters of a pair of variable pulleys and the hydraulic cylinder. CONSTITUTION:In a hydraulic control circu...

PURPOSE:To eliminate the problem of the differential working oil pressure by bringing the output oil pressure close to a working oil pressure level regulated by means of a pressure regulation valve through the function of a throttle oil path under the condition where a speed change control valve for controlling respective hydraulic cylinders which modifies the effective diameters of a pair of vari...

PURPOSE: To form dynamic videos by injecting a radioactive material into the body of a patient and detecting the radiation circulated in the body, and then, generating electronic signals based on the detected radiation and generating and correcting video signals by processing the electronic signals. CONSTITUTION: A patient 12 takes exercise on a belt runner so as to give a stress to his heart whil...

Method and apparatus for opening a mollusk (e.g., oysters) by rapidly cooling said mollusk to a surface temperature of about -100 DEG F. followed by mechanically agitating said mollusk whereby the mollusk shell opens and at least one eye of the mollusk meat is detached from the shell. Subsequent to cooling and prior to agitating, the mollusk can be rapidly immersed in a water bath to raise the su...

Tyre-mould venting means in which at least one venting cylinder 10 is provided in a prefabricated bore 2 in a tyre mould 1. For easy exchangeability, the venting cylinder is inserted into the bore with radial play and is pressed by a spring 13, which is supported against a pressed-in base sleeve 3, against a spring or threaded sleeve 5, which terminates flush with the inner side of the mould.

A rotary finishing tool, comprising (a) a foamed elastomeric bond where the elastomeric bond has greater than 5% void and contains (i) a medium abrasive grit having a grain size of from about 30 to about 50, and (ii) a fine abrasive grit having a grain size of about 70 to about 100. In another embodiment, a rotary finishing tool, comprising (a) a hub adaptable to be power driven, (b) an array of a...

A method and apparatus for detecting foreign matter on a sample by illuminating a stripe-shaped region with linearly polarized light. Some of the light reflected by the sample is intercepted by a light intercepting stage, and the rest of the light reflected by the sample, which passes through the light intercepting stage is directed to a detecting optical system, to be detected by a photo-detector...

Method of employing a balloon tube for creating a thrombosis of vessels located directly under the surface of a body cavity which is difficult to reach, through the initiation of an electric current between the balloon which is deflated as introduced into the body cavity and which is inflated by introducing a fluid on the spot and an outside electrode. The fluid which is used to inflate the balloo...

An apparatus and technique for applying markings or decorations to the sidewall of a cured tire. A thin polyester carrier sheet has a thermoplastic transfer stock thereon. A heated die is provided having thereon the geometric configuration of the desired marking or decoration. The heated die is urged against the transfer laminate to impinge the transfer stock against the sidewall of the cured tire...

Polyester film for use as a base for magnetic recording medium is prepd. from a polyester obtd. using a germanium cpd. as polymerisation catalyst, and has Young's modulus in the longitudinal direction (Emd) at least 350 kg/square mm; Young"s modulus in the transverse direction (Etd) at least 350 kg/mm2; Emd.Etd at least 250,000 square kg/mm; refractive index (nzd) across the thickness of the film ...

An expandable, powder coating composition is disclosed which comprises (a) a thermoplastic resin containing a hydroxyl group-containing polymer, (b) a cross-linking agent containing a polyisocyanate compound which is capable of reacting with the hydroxyl groups of the polymer to crosslink the polymer at a temperature higher than the melting point of the thermoplastic resin and which is solid at ro...

Fibrous material, in particular shoddy from synthetic fiber wastes, can be compacted into thermally and acoustically insulating boards and moldings by mixing with a pulverulent adhesive comprising a hot-melt adhesive and a solid epoxy resin/curing agent system and heating the mixture under pressure in a mold to a temperature at which the hot-melt adhesive becomes liquid and the epoxy resin reacts ...

The invention provides a thermally reversible superabsorbent polymer adapted for use in melt processes, the polymer having a thermally reversible bond which is adapted to evanesce at an elevated temperature and revert to a thermally reversible bond upon cooling to ambient temperature so that the polymer is adapted, upon being heated to that elevated temperature, to dissociate into melt processable...

Systems for the on-line optical measurement of properties of a translucent moving web, such as paper or plastic, as it is continually produced, colored or otherwise converted. Measured properties include color, reflectance and opacity. A backing roll has a cylindrical or approximately cylindrical surface which comprises at least one optical standard. The roll is positioned such that a circumferent...

A process and device for detecting and evaluating surface cracks in workpieces wherein a picture is produced of the surface of the workpiece by means of a video camera and said picture is digitized and is processed by means of a computer to produce a binary picture of any cracks present and a sorting report is triggered when a preselected threshold level is exceeded. In order to obtain a sorting s...

A video signal processor includes circuitry which may be conditioned by a mode control signal to operate as a single 16-bit adder or as two eight-bit adders. The circuitry includes two eight-bit adders, each of which has a carry-in input terminal and a carry-out output terminal. The carry-out output terminal of one of the adders is selectively coupled, via an AND gate, to the carry-in input termin...

A watchdog device for monitoring control signals from a computer being used to control an operating system, is disclosed; said device having sufficiently low operating power requirements so that it is compatible with the power requirements of a series connecte LED indicator. The device is thereby capable of displaying a visual indication of its output status by activating an LED indicator which ma...