A process and an arrangement for the production of molten pig iron or steel pre-products from particulate ferrous material as well as for the production of reducing gas in a meltdown gasifier. A fluidized bed of coke particles is formed by the addition of coal and the injection of oxygen-containing gas. In order to ensure a satisfactory mode of operation of the meltdown gasifier even if coal of in...

An aqueous silicone dispersion crosslinking to an elastomer on removal of water, comprising: - 100 parts of an emulsion (A) of the oil-in-water type of an alpha , omega -(dihydroxy)polydiorganosiloxane stabilised with an anionic and/or nonionic surfactant, - 0.1 to 15 parts of an organosiliconate, - 5 to 250 parts of a non-siliceous inorganic filler, - 0.01 to 3 parts of a catalytic tin salt, ...

An improved crank-type Stirling engine. A spring, preferably a gas spring, is linked between the displacer and the housing or alternatively the power piston. The spring is relaxed at substantially a mean position of the displacer to apply a centering force upon the displacer. The spring reduces the loading on the displacer drive linkage by itself exerting a centering force upon the displacer. If d...

An Article comprised of metal directly and adherently bonded onto a ceramic substrate, and a process for producing same, are described, wherein the ceramic is adhesion promoted with molten inorganic compounds, treated with compounds that promote adsorption of species rendering said surfaces receptive for metal deposition, and plated with metal. Uniform surface coverage with said species and metal ...

An article comprised of metal directly and adherently bonded onto a ceramic substrate, and a process for producing same, wherein the ceramic is adhesion promoted with molten inorganic compound, treated with halide compounds that promote adsorption of catalyst for metal deposition, and plated with metal. Uniform surface coverage with catalyst and metal is ensured by the halide treatment.

The invention provides the noninvasive testing of the elasticity of soft biological tissues for the diagnosing of physiological and pathological state in human and animals, by exciting the tangential oscillatory deformations on the surface of tissue in the frequency range of 0.5 - 30 kHz and by determining the velocity of the excited surface wave propagating along the vector of the initial displac...

Method for producing a protective layer by subjecting a ceramic or a ceramic composite body being interconnected residual metal therein to a particular atmosphere, a protective layer can be formed from the interconnected metal. Such a layer can be protective, especially in corrosion environments which include various gaseous or solid species containing sodium and silicon, such as those found in gl...

Method for producing a protective layer by subjecting a ceramic or a ceramic composite body being interconnected residual metal therein to a particular atmosphere, a protective layer can be formed from the interconnected metal. Such a layer can be protective, especially in corrosion environments which include various gaseous or solid species containing sodium and silicon, such as those found in gl...

An elevating conveyor which operates as a pocket elevator to transfer granular, powdered or like material from a loading station through an elevating section to a discharge zone wherein an endless conveyor belt cooperates with a further conveyor part. The belt has transverse bars on its surface preferably located between belt side walls and facing the further conveyor part. The height of the bars ...

A slight tube assembly, in combination with a sensing instrument, such as an optical pyrometer, for use in continuously monitoring the temperature of the first row of rotating blades in large gas turbines, particularly the type used in industry. Temperature data received by the pyrometer unit is fed to a control circuit, which regulates fuel input to the tubine to control the firing temperature. T...

The battery consists of (i) stainless steel wire (1) as an electrode in the center of mullite tube (2) contg. K soln., (ii) K2S/S (5:95 wt. ratio) mixt. (3) placed around the mullite tube (2), and (iii) stainless steel tube (4) as another electrode. The battery provides the electromotive force of 2.5V with a single structure.

An exhaust gas purifying catalyst comprises a monolithic support such as cordierite. Palladium, rhodium, active alumina, a cerium compound, a strontium compound and a zirconium compound are deposited on the support as catalyst components. The strontium compound is preferably strontium carbonate, strontium hydroxide or strontium oxide, the zirconium compound is preferably zirconium carbonate or zir...

PCT No. PCT/AU85/00078 Sec. 371 Date Dec. 6, 1985 Sec. 102(e) Date Dec. 6, 1985 PCT Filed Apr. 10, 1985 PCT Pub. No. WO85/04593 PCT Pub. Date Oct. 24, 1985.The instant invention provides a semipermeable membrane having a maximized porosity with surface properties providing enhanced flux, and good chemical resistance.

Appts., esp. for hardening the valve seats of I.C. engines using low- lead fuel, uses an inductor which can be urged relative to a slider against the workpiece. A coupling of the inductor with the motor is thereby given a certain axial play which is checked by a sensor. The stepper motor then withdraws by a feedscrew drive the inductor to the desired distance from the valve seat. A precise posi...

An end closure, a method for application of said closure in hollow tubular profiles (10), formed of a thin-walled plastic or plastic-laminate material, and a device for performing said application. The end closure (16) is provided with a partly tapered cylindrical insert wall portion (12; 18) and a circumferentially extending, groove (20) which is adapted to receive the hollow tubular profile (10)...

An end closure, a method for application of said closure in hollow tubular profiles (10), formed of a thin-walled plastic or plastic-laminate material, and a device for performing said application. The end closure (16) is provided with a partly tapered cylindrical insert wall portion (12; 18) and a circumferentially extending, groove (20) which is adapted to receive the hollow tubular profile (10)...

A current flows through an insulated line which is connected in series with a capacitive impedance and with the ferromagnetic pipe. One side of an AC power source is connected to the other end of the pipe via a current difference detector. The other side of the source is connected to the line via a current transformer associated with the detector. A conductive line supplies a potential from the ...

A hygienic mattress, particularly for counteracting bedsores and similar, comprising a body or core (2) including one or several layers and a water repellent surface layer (1), the water repellent surface layer consisting of a profiled layer of a cellular plastic (1) with a cell system which is generally closed to 100 % and which generally covers the entire upper surface of the mattress, the cellu...

A hygienic mattress, particularly for counteracting bedsores and similar, comprising a body or core (2) including one or several layers and a water repellent surface layer (1), the water repellent surface layer consisting of a profiled layer of a cellular plastic (1) with a cell system which is generally closed to 100 % and which generally covers the entire upper surface of the mattress, the cellu...