A magnetic core containing amorphous metal, suitable for use with electrical inductive apparatus, such as transformers, and methods of constructing such a magnetic core. The desired physical dimensions of the magnetic core are maintained, without adversely stressing the core, by a composite, conformal coating applied to the core edges. The composite coating includes a rigid high strength outer str...

A torque distribution control system for a four-wheel drive vehicle has an engine output controller (22) which controls the output of the engine of the vehicle, a braking controller (25) which separately controls the braking forces applied to the left wheels and the right wheels and/or the braking forces applied to the front wheels and the rear wheels. A torque distribution changing system (26) de...

A centrifugal separation apparatus comprises a rotatable cylindrical member (136) including a side perforated wall and an opened bottom and a bottom lid member (138) including a central raised portion and a side wall inclined downwardly and outwardly. The bottom lid member (138) is moveable between an upper position in which said bottom lid member (138) is engaged by the lower end face of said cyl...

A wheel slip control system used for a vehicle comprising: a pressure source selector being informed of a first pressure of a first pressure source and a second pressure of a second pressure source and adapted to select one of the first and second pressure source, a slip controller receiving a first adjustment signal for anti-skid control to adjust the first pressure provided by the pressure sourc...

A yarn splicing system for splicing a warp in a loom wherein a yarn splicing apparatus is provided with apparatus for searching for a yarn end on the warp beam side of a cut warp. The yarn splicing apparatus may also include a liquid tank for removing size of a sized yarn and a pneumatic yarn splicing device for splicing the yarn end with one end of an additional yarn.

A dental panoramic/cephalo X-ray photographing device being characterized in that an X-ray generator can be horizontally rotated by an electric drive means so that the X-ray irradiation axis of the X-ray generator is directed to a panoramic photographing cassette or a cephalo photographing cassette. With this device, selection between the panoramic and cephalo photographing modes can be done far q...

A grinding mill for use in a laboratory has a housing consisting of a lower part (10) to which the upper part (11) is attached by a hinge with a horizontal hinge pin (17). The housing encloses a cylindrical chamber (13) which houses a rotor which is mounted with its axis horizontal. The chamber (13) is sealed by a door (12) which is attached to the lower part of the housing by a hinge (18). The do...

Prepn. of propane-1,2-diol comprises continuously hydrogenating gaseous or liq. glycerine with opt. dil. hydrogen in the presence of a heterogeneous solid catalyst bed contg. a group I and/or VII elementary metal, salt, oxide and/or other cpd. and/or blend, at 150-320 deg.C and 100-250 bar.Pref. the catalyst pref. contains copper and pref. comprises 30-40 wt.% Cu, 23-30 Cr (each wrt amt. of oxides...

A multisensor intrusion detection system having greatly improved immunity to false alarms employs a first sensor (66) for sensing an intrusion in a volume of space by a first physical phenomenon and a second sensor (500) for detecting an intrusion in the volume of space by a second physical phenomenon different from the first physical phenomenon. The first sensor (66) generates a first signal in r...

The invention relates to films of linear polyester containing glass spheres having a certain particle size distribution and in a certain amount. The addition of the glass spheres improves, inter alia, the dynamic coefficient of friction of the film. Preferably, a second film additive, fumed silica, of a controlled particle size distribution and weight is added to the film. The addition of the fume...

A system and method for operating application software in a safety critical environment have a data processor for effecting processing operations and an intermediate shell for interacting with an operating system and application software. A safety critical processor is receptive of a series of timing signals from the intermediate shell for determining that a time interval between two of the series...

A device to operate a microprocessor (10) is proposed, which contains a control circuit (11) for the presetting of an active and an inactive operating condition of the microprocessor (10). The microprocessor (10) can be offset into the inactive condition via an internal or via an external switching-off signal (16, 17). Waking-up the microprocessor (10) can be undertaken via an internal wake-up sig...

Rigid foams containing urethane and isocyanurate groups are produced by reacting a) polyisocyanates with b) compounds containing at least two hydrogen atoms which are reactive towards isocyanates and having a molecular weight of from 400 to 10,000, and c) optionally compounds containing at least two hydrogen atoms which are reactive towards isocyanates and having a molecular weight of 32-399, ...

Foam laminate comprising polyether- and/or polyesterurethane-based polyurethane foam flocks adhered together to form a larger laminate using a polyurethane binder, is characterised by the addn. to the foam flock of a wax as a hydrophobic agent.Pref. the hydrophobic agent has a m.pt. or a softening pt. of 60-140 (70-90) deg.C and is applied externally to the binder layer of the foam flock. The bind...

A system and method for modifying security levels within a security system. External modifications are allowed only if the security of a point is increased.

PCT No. PCT/GB90/00704 Sec. 371 Date Jan. 8, 1992 Sec. 102(e) Date Jan. 8, 1992 PCT Filed May 4, 1990 PCT Pub. No. WO90/13396 PCT Pub. Date Nov. 15, 1990.A tool holding jig for a grinding machine has a tool holder 29 mounted on a parallelogram linkage having lower swivel rods 19 inclined slightly so that, as the tool holder 29 is rocked to and fro across the face 31 of a grinding wheel by a recipr...

A method and article useful for preparing stable polysaccharide gels from aqueous solutions of water-soluble polysaccharides bearing pendant carboxylate groups. The gels produced may be of the foamed or nonfoamed variety.

A composite tube is described comprising an inner layer and outer layer (2, 4) consisting of fibre-reinforced cured thermosetting resin, the resins of the inner layer and outer layer being cured using different curing agents. For instance the expoxy resin in the outer layer (5) is cured using an aromatic amine as curing agent and the epoxy resin in the inner layer (2) is cured using an aliphatic a...

Disclosed herein is a diamond synthesizing method comprising the steps of introducing a mixed gas of hydrocarbon gas and hydrogen gas into a reaction vessel (9) which is maintained under a pressure of 1 to 100 Torr and causing dc discharge across a cathode (1) and an anode (2), thereby depositing diamond on a substrate (3) which is placed on the cathode (2). A positive column of H alpha > CH is p...

A master batch of hardener for curable one-package epoxy resin system which comprises (I) a hardener consisting of (I) a hardener consisting of (i) a powder of an amine compound (A) as a core having at least one tertiary amino group in the molecule while having no primary and secondary amino groups, the powder having both a group (X) capable of absorbing infrared rays of 1630 to 1680 cm<-><1...