Disclosed is a solenoid having a central and a peripheral air gap between the armature and the pole piece. The energization coil is located in the space between the central core and the peripheral portions of the pole piece and armature. In one embodiment, an output shaft is received in an aperture in the central core of the pole piece and connected to the armature. In preferred embodiments, a lon...

A process comprising contacting ethylene and at least one alpha-olefin comonomer having 3 to 8 carbon atoms with a magnesium/titanium based catalyst system including a supported or spray dried catalyst precursor, which contains an electron donor, and a cocatalyst in at least one fluidized bed reactor, in the gas phase, under polymerization conditions, with the provisos that: (i) the cocatalyst is ...

A prosthesis (13) is provided which includes at least two intersecting cone-like bodies (18,20) whose outer surfaces engage the end of a patient's bone (28). Cavities (180,200) for receiving the cone-like bodies (18,20) can be readily formed in the patient's bone with a high level of precision. Through the use of the two cone-like bodies, the prosthesis can have neutral version and yet be used at ...

This invention relates to the combustion of metal-containing scrap rubber such as used tires in a combustion chamber equipped with a traveling-grate stoker without allowing binding of molten metal to the stoker for effective utilization of scrap rubber as a fuel for a boiler or the like. On the traveling-grate stoker of the combustion chamber, which travels from a rear part to a front part of the ...

A catalyst comprising a novel zeolite NU-87, is useful in a wide variety of hydrocarbon conversion reactions including isomerisation, transalkylation and alkylation.

A method of making reel to bedknife adjustments on a reel mower cutting unit, including the steps of removing the motor from the cutting unit frame, adjusting the relative position of the cutting reel with respect to the bedknife while the cutting unit remains mounted to the vehicle, coupling a crank to the cuttingreel at the location where the motor was operatively coupled with the cutting reel, ...

A liquid applied waterproofing formulation system comprises separate formulation components A and B which are transportable to the application site in separate containers but combinable at the site to form a blend, preferably a water-in-oil blend, which solidifies into a continuous membrane e having hydrostatic head resistance. Component A is an aqueous latex of a natural or synthetic rubber. Comp...

Tags and thread are assembled together for the manufacture of tagged articles such as infusion packets in which each tag is attached to the packet by a length of thread. The thread is held in a looped form between the tag and the packet before use. For the assembly of the tags and thread and to increase the length of thread attaching each tag, means are provided for forming a doubled-over loop tha...

Disclosed is a motor having a rotor driven by a vibrator generating a vibration of rope skipping motion. The rotor has a friction portion which is in contact with the friction portion of the vibrator so as to be given the vibration of rope skipping motion by the friction portion of the vibrator, and a supporting portion which is provided at a position spaced apart from the friction portion and whi...

A coin validation circuit and method of operation thereof, including a memory having stored therein a data entry for each acceptable denomination, a validation control circuit, preferably including a microprocessor, operatively connected to the memory, a ringing circuit operatively connected to the validation control circuit and operable to produce damped wave output signals, and a monitor circuit...

A self-learning method for state control and error diagnosis of rotating machines. In the method a self organizing symptom chart with a tree structure is used, the chart being formed of neurons formed by symptom vectors that describe the functional state of the machine being investigated. During learning vibrations from at least one point are measured from the machine being monitored, symptoms tha...

An apparatus and a method for controlling a charging operation of a battery are disclosed. The apparatus comprises an adapter connector(11) for connecting an adaptor to an electrical machine; a voltage sensor(12) for sensing the voltage of the battery or the adaptor; a battery/adaptor selector(13) for selecting a battery mode or an adaptor mode; a charging controller(15) for providing a charging c...

The invention provides a lithographic printable plastic film. A plastic film is coated with a coating formulation which allows lithographic printing on plastic films. The coating composition comprises an acrylic binder, specifically a blend of acrylic polymer and ethylene-acrylic acid copolymer, at least one particulate filler, specifically silica, calcium carbonate, clay, talc, titanium dioxide a...

A guiding device comprising a carriage portion (13), which is aerostatically journalled on a base portion (11) and is guided in a rectilinear movement by means of five pre-stressed air bearings (21) in two guide planes of the base portion (11) enclosing an angle with each other. The air bearings (21) are pre-stressed by means of a magnet system comprising a permanent magnetic part and a ferromagne...

Dry testing paper for simultaneous detection of various narcotics by using the immunity analysis method and a manufacturing method thereof are provided, in which the dry testing paper for simultaneous detection of various narcotics by using the immunity analysis method includes a first membrane which is temporarily fixed with one or more kinds of colored corpuscle-antibiotic of narcotics, and a se...

PCT No. PCT/EP92/00349 Sec. 371 Date Aug. 25, 1993 Sec. 102(e) Date Aug. 25, 1993 PCT Filed Feb. 19, 1992 PCT Pub. No. WO92/15559 PCT Pub. Date Sep. 17, 1992.Process for the preparation of 3'-aminopropyl 2-sulfatoethyl sulfone in high yield, which comprises reacting allylamine with mercaptoethanol in aqueous sulfuric acid in a one-pot process at temperatures from about 25 DEG C. to the boiling po...

A floor brush nozzle assembly for a vacuum cleaner is disclosed. The floor brush nozzle assembly includes an elongated generally rectangular shaped nozzle housing including a connecting passageway for association with the vacuum cleaner. A U-shaped channel surrounds the nozzle housing for receiving an upper formed end of a floor brush. The U-shaped channel includes peripherally spaced ribs that ca...