PURPOSE:To ensure the minimum necessary starting ability even when friction coefficient is very low by establishing a lower limit of a target slip rate or slip speed based on a friction coefficient between a road surface and a wheel for the torque control of a driving wheel. CONSTITUTION:A friction coefficient between a road surface and a wheel is detected by a means A. Then a target slip rate or ...

Disclosed is a tire mold for curing pneumatic tires wherein the mold includes a mold back, a tread ring and an insulator plate located between the mold back and the tread ring. The insulator plate is made of material that has a lower thermal conductivity than the thermal conductivity of the material in the mold back or tread ring. The addition of the insulator plate between the mold back and the t...

A process for making a battery paste includes steps of forming an active material in an aqueous slurry, then dewatering the slurry to form a battery paste. In one described embodiment, a slurry containing one or more basic lead sulfates suitable for use as the active material in lead-acid battery electrodes is formed in a continuously stirred tank reactor (36). The slurry is withdrawn from the rea...

A method for monitoring the coating weight, uniformity, defects or markings present in a coating of a composition applied to a substrate comprises the steps: (a) providing a substrate with a functional coating of a composition comprising an effective amount of uvescer that absorbs radiant energy, i.e., has excitation energy, of wavelength lambda 1 and emits radiant energy of wavelength lambda 2;...

There are disclosed a copolyester which comprises at least four components of: (A) terephthalic acid and/or its ester forming derivative (terephthalic acid component) and isophthalic acid and/or its ester forming derivative (isophthalic acid component) with a molar ratio of 30/70 to 70/30; (B) 5 to 15 mole % of a dicarboxylic acid having sulfonate group and/or its ester forming derivative based ...

A method and apparatus are disclosed for nondestructively measuring the density and orientation of crystalline and other micro defects on and directly below the surface of a properly prepared material such as a semiconductor wafer. The material surface is illuminated with a probe beam of electromagnetic radiation which is limited to a nondestructive power level or levels. Polarization and waveleng...

A vehicle guidance system includes a computer (5) for generating signals to control a number of vehicles (2,3) to carry out movements within a predetermined area (4). Data identifying locations of notional points (16-22; a-d) on the floor of the area are entered into the computer together with a look-up table specifying pairs of those points between which movements of vehicles may be required, and...

A system is described for the production of rapidly solidified powder. The system contains elements for casting rapidly solidified ribbon, an in-line knife mill or a hammer mill for fracturing the rapidly solidified ribbon into shard, and either an in-line fluid energy mill, or an in-line centrifugal mill for reducing the shard to powder. The system can effectively reduce ribbon to powder in an in...

PURPOSE: To prevent electric shock of an user by providing at least one actuator in a lamp for the purpose of breaking electrical contact between conductive connection elements of a connector when properly attached. CONSTITUTION: When a lamp 100 is properly attached to a connector 200, a short-circuit conductive member 270 is pressed to break electrical contact between conductive connection elemen...

PROCESS FOR THE PREPARATION OF LIGHTWEIGHT, PLANAR MOLDED ARTICLES of The Disclosure The subject of this invention is a process for the preparation of lightweight, planar molded articles, e.g. those having a thickness from 0.1 to 40 mm and having a density of 0.015 to 0.25 g/cm3, by treating porous materials, preferably open celled or flexible or semi-rigid polyurethane foams, with an effective am...

A bottle is moved over a sector of a circular path and simultaneously rotated around its longitudinal axis for the opto-electronic inspection of the mouth area for chipping of the glass. The bottle is guided through the beam path of a measuring apparatus on its way over the circular path. A measuring beam passes at an oblique angle to the longitudinal axis of the bottle in the area of the mouth op...

A method of bonding fibers to hydrogenated nitrile rubber which comprises: the first step of treating fibers with an activating agent selected from the group consisting of polyisocyanates, epoxy compounds and silane coupling agents; the second step of dipping the fibers into a resorcinol/formalin/latex solution; the third step of treating the fibers with an adhesive composition which comprises (a)...

In a particulate additive for water for fire fighting containing a strongly swelling water-insoluble high molecular weight polymer as gelatinizing agent, the improvement which comprises a water-soluble release agent which does not cause the particles of said gelatinizing agent to swell, the particles of the gelatinizing agent being encased or dispersed in the release agent. Suitable release agents...

Powdered psyllium seek husks are rendered rapidly and uniformly dispersible in water by admixing a solvent selected from the group consisting of benzyl alcohol, propylene glycol, triacetin and mixtures thereof with powdered psyllium seed husks.

A method of making thermal insulating products comprising porous, lightweight, high temperature resistant inorganic particles in a polyimide foam matrix and the product thereof. A polyimide precursor powdered is mixed with about equal weight of flake-like porous inorganic particles to substantially uniformly coat the particles with powder. The mixture is placed in a mold and compressed slightly. T...

A molding of modified polyphenylene oxide resin comprises a composite of modified polyphenylene oxide containing polyphenylene oxide having structure expressed in the following general formula (I) as a basic skeleton, which resin composite preferably contains a cross linking agent, more preferably phosphoric ester serving as a cross linking agent, while the molding is cross-linked by irradiation t...

Molded articles formed of polystyrene or other polymers containing an aromatic moiety can be derivatized on the surface of the article by subjecting the molded article to a chemical reaction wherein the reaction media utilizes tetramethylsulfone as the reactant solvent and a suitable substituent group which is substituted on to the aromatic moiety of the polystyrene or other polymer by electrophil...

The present invention provides polyamide-polyamide-polyimide and polybenzoxazole-polyamide-polyimide polymers derived therefrom with improved processing and film characteristics having incorporated into the polymeric backbone the polymeric condensation residuum of novel aromatic diamino compounds having the formula: wherein A is selected from the group consisting of SO2, O, S, CO, C1 to C6 ...

A compound contains a ligand group and at least one group of the general formula -XRn where X is a linking group which contains at least one hetero-atom, R is a saturated hydrocarbyl group containing at least six carbon atoms or is an unsaturated hydrocarbyl group containing at least three carbon atoms. The ligand group can be a polyhydroxyhydrocarbyl, a triazole, an imidazole, an indazole, a thia...

A hydraulically actuated braking apparatus, for spot-type disc brakes is disclosed including a piston having an actuating end, protrudes from the brake housing and which acts on a brake pad. The piston is provided with a shoulder, and a metal ring is mounted on the piston's outside surface. An elastic folded collar is fastened behind the metal ring. The outside surface of the piston has at least o...