An improved electrolytic cell and process are provided wherein metals and metal alloys are formed from oxides or nitrides in a molten salt (13), without the evolution of halogen or halogen compounds, with less corrosion and reduced power consumption by the use of an electrode (11), having an extended or substantially increased surface area effective for the evolution of oxygen and carbon oxide, an...

Electroless coating baths useful for the reductive deposition of nickel containing alloy coatings are stabilized by forming said baths to contain bath stabilizing concentrations of lead ions and tungstate ions in combination. Preferred coatings deposited from the present stabilized baths containing nickel and cobalt ions and a borohydride reducing agent exhibit high hardness and a wear-resistance ...

PCT No. PCT/GB88/00304 Sec. 371 Date Dec. 18, 1989 Sec. 102(e) Date Dec. 18, 1989 PCT Filed Apr. 21, 1988 PCT Pub. No. WO88/08365 PCT Pub. Date Nov. 3, 1988.A method of separating filaments from a clump thereof in a liquid flow from each other by sub-dividing the flow across its lateral extent to pass through an array of a plurality of filament separating channels having a cross-section at least l...

This invention provides a process for deacidifying paper by contacting the paper with hydrocarbon or halocarbon solutions of certain magnesium and/or zinc alkoxyalkoxides which may have been treated with carbon dioxide to yield low viscosity solutions.

A security railing formed from plastics material pipe which is lightweight, low cost, and non-corrosive. The top railing (34, 36) and preferably the posts (12, 14, 16) of the security railing are formed of double pipe construction comprising a first pipe (18) and a second pipe (20) inside the first pipe (18), the second pipe (20) having an outside diameter related to the inside diameter of the fir...

PCT No. PCT/AU88/00123 Sec. 371 Date Dec. 11, 1989 Sec. 102(e) Date Dec. 11, 1989 PCT Filed Apr. 29, 1988 PCT Pub. No. WO88/08474 PCT Pub. Date Nov. 3, 1988.A tile for use in the construction of a false floor consists of a rectangular tray into which concrete is poured. The tray is of metal, a strong plastic material or any other suitable material. The concrete is preferably pliable concrete. The ...

PCT No. PCT/SU88/00047 Sec. 371 Date Oct. 5, 1989 Sec. 102(e) Date Oct. 5, 1989 PCT Filed Feb. 26, 1988 PCT Pub. No. WO89/08192 PCT Pub. Date Sep. 8, 1989.A turbomolecular vacuum pump has a hollow stator accommodating a rotor having bladed wheels with bladed disks interposed therebetween. Flat blades of each bladed wheel are spaced circumferentially at the surface of its hub and are inclined to pl...

A turbomolecular vacuum pump comprises a hollow stator (1) in which is mounted a hollow rotor (3) between which are located channels (3, 4) of the turbomolecular and molecular gas-pumping stages connected to the atmosphere through additional and main dynamic sealing channels (34, 36) formed by grooves made on areas (35, 37) of the internal surface of the rotor (2) and by the external surface of th...

Hydraulic engine valve lifter includes a pair of pistons defining a pressure chamber therebetween and a separate lash adjusting piston which defines a lash adjustment chamber with one of the pistons in the pair. One-way valve structures permit fluid to flow from the pressure chamber into the lash adjustment chamber thereby displacing the lash adjusting piston to, in turn, adjust valve lash. Motion...

An improved drive for a banded sealing ring or washer in a rotary mechanical seal. The washer, usually a ceramic washer, is provided with an annular band surrounding its outer periphery which includes an outwardly extending flange. The seal includes a sleeve mounted on a rotatable shaft of a pump, which houses the washer in coaxial relation. It further includes a flange extending radially, which d...

A mechanical seal for use between a housing and a rotatable shaft supported by the housing, having adjacent annular primary and mating sealing rings, each ring having a generally radial sealing face. Means seals and holds the first sealing ring nonrotatably relative to the housing, and means seals and holds the second sealing ring to rotate with the shaft. One sealing ring is movable axially of th...

PCT No. PCT/SU88/00074 Sec. 371 Date Nov. 28, 1989 Sec. 102(e) Date Nov. 28, 1989 PCT Filed Mar. 29, 1988 PCT Pub. No. WO89/09354 PCT Pub. Date Oct. 5, 1989.A Novikov gearing comprising at least two gear elements the teeth of each element consisting of an addendum whose profile in the normal section is described by a convex curve, a dedendum and a fillet between the two. A portion of the fillet ad...

Gearing comprises a flat driving part and a driven part. The driven part (2) is provided with a circular guiding groove (38) eccentric to the axis of rotation. The driven part (21-25) is provided on its front face facing the driving part with an endless guiding groove (36) composed of sections centred on the axis of rotation for guiding the force-transmitting balls (11). A flange (6) secured to th...

Actual valve stem thrust loads in a motor operated valve are monitored and measured directly by the use of load cells disposed directly between the valve and the operator. Direct measurement of stem thrust eliminates the errors associated with indirect methods. Analysis of actual thrust load measurements and correlation with other operating parameters, such as switch actuation and motor current, p...

PCT No. PCT/CH89/00058 Sec. 371 Date Oct. 30, 1989 Sec. 102(e) Date Oct. 30, 1989 PCT Filed Mar. 22, 1989 PCT Pub. No. WO89/09345 PCT Pub. Date Oct. 5, 1989.The axial mounting with skewing compensation for a turbomachine has a fastening flange (1) and a bearing housing (2) which is in one piece with the latter and which is subdivided into a middle housing part (9) and an outer housing part (10) by...

This invention describes a process and apparatus for the combustion of wastes, wherein the wastes are combusted in a combustion chamber and the temperature of the combustion chamber is controlled by changing the amount of combustion air as a function of the slag flow rate. The combustion can be carried out substoichiometrically in a reducing atmosphere because of additives which are introduced int...

PCT No. PCT/EP87/00289 Sec. 371 Date Nov. 29, 1989 Sec. 102(e) Date Nov. 29, 1989 PCT Filed Jun. 4, 1987 PCT Pub. No. WO88/09917 PCT Pub. Date Dec. 15, 1988.In an optical micromechanical method for changing the phase of guided waves and a measurement method for measuring very small mechanical displacements and/or mechanical forces or pressures, including the pressure of sound waves and ultrasonic ...

PCT No. PCT/SE88/00240 Sec. 371 Date Jan. 8, 1990 Sec. 102(e) Date Jan. 8, 1990 PCT Filed May 9, 1988 PCT Pub. No. WO88/08983 PCT Pub. Date Nov. 17, 1988.A method for the diagnosis of IgA nephropathy using a specific binding reaction comprising the steps: a) preparing a substrate capable of binding fibronectin or IgA b) contacting the substrate resulting from step a) with a sample of body fluid dr...