A centrifugal separator system is provided for extracting lighter matter from a liquid suspension. The separator includes a housing having an axis, an inlet port, a lighter matter outlet port and a heavier matter outlet port spaced from the inlet port. A rotatable interior double shell rotor is disposed within the housing. The rotor includes outer and inner shells and defines a centrifugation gap ...

PURPOSE:To obtain an easily handleable solidified fuel, by crushing car scrap dust, removing major part of inorganic materials therefrom, adding an adhesion- proventing combustible substance, and carrying out dechlorination treatment within a specific temperature range. CONSTITUTION:The car scrap dust 1 is crushed with the crusher 3, the major part of the inorganic materials are removed e.g. by th...

A cement retarder is provided which comprises 5 to 20% by weight, based on the weight of said retarder, of gluconic acid and/or tartaric acid and/or a water soluble salt thereof, 30 to 10% by weight, based on the weight of said retarder, of citric acid and/or an alkali salt thereof, and 50 to 85% by weight, based on the weight of said retarder, of an alkali carbonate. A rapid hardening cement is a...

A solution containing cellulose dissolved in a tertiary amine N-oxide solvent containing a nonsolvent for cellulose such as water is shaped by extrusion or other shaping process to form a shaped cellulose fiber, rod, plate, tubing or film. The extruded shaped article is stretched in air while still a solution to impart improved physical properties thereto and the cellulose is precipitated from the...

A clutch assembly, constituting a component of a gear transmission, has two gear-carrying shaft extremities projecting from opposite sides of a clutch casing. One shaft extremity is provided with axially extending teeth, carried on its face or on a sleeve keyed thereto, normally engaging similar teeth on a confronting drive shaft. The other shaft extremity is mounted, by means of a combined journa...

Mercury is removed from an industrial effluent by treating the effluent with a sulphide or hydrosulphite of an alkali metal in the presence of a flocculant at a pH of from 7 to 12 so as to precipitate an alkaline sludge containing precipitated mercuric sulphide and flocculated material, treating the alkaline sludge with effluent to redissolve the flocculated material but not the mercuric sulphide,...

Apparatus for transmission of telemetry signals in a length of drill pipe comprises a cylindrical lining adapted to fit in the pipe bore and extending substantially the length of the pipe, the lining comprising two annular end portions 4, (5) joined by an intermediate portion 6, the intermediate portion having embedded therein signal conductors 9 extending from one end portion to the other, each e...

The present invention relates to a process for making polystyrene pellets, and more particularly for making expandable polystyrene beads, by forming a styrene polymer melt and extruding such through a die to form continuous strands thereof. After exiting the die but prior to substantial cooling, the strands are cut into pellets. Such plano-convex pellets are optionally screened to remove undesirab...

It is by gasifying these with one or several gasification agents by means of the fluidised bed and flue dust gasification,wherein the crude solid fuel and gasification agents are fed into the fludised,solid residues are discharged from the bottom of the fludised bed,and the product gas rising upwards from the fludidised bed leaves the fluidised bed reactor after passing through a steadying and aft...

The invention relates to aprocess for producing gas from carbon-containing fuels by gasifying them with one or more gasification agents by means of the fluidised bed and flue dust gasification, wherein the separated flue dust is blown into the reactor with the aid of a conveying medium, centrally or in severla places arranged at about the same height of the reactor just above or just underneath th...

A system for determining the stuck point of pipe in a borehole includes a wireline tool having an exciter coil and a detector coil axially spaced from one another. The exciter coil 61 is driven by an oscillator 81 at a preselected low frequency, and the resulting voltage induced into the receiver coil 63 is related to the magnetic permeability of a pipe 60 through which the tool is run. A detector...

Polyorganosiloxane foams are obtained by blending, dispensing and curing two-part polyorganosiloxane compositions comprising a liquid hydroxyl endblocked polydimethylsiloxane, a liquid alkyl orthosilicate as the curing agent, a catalytically effective amount of a tin compound, a blowing agent and, as a foam stablilizer, a resinous organosiloxane copolymer comprising trimethylsiloxy units, SiO4/2 u...

PCT No. PCT/FR85/00232 Sec. 371 Date Apr. 29, 1986 Sec. 102(e) Date Apr. 29, 1986 PCT Filed Aug. 28, 1985 PCT Pub. No. WO86/01386 PCT Pub. Date Mar. 13, 1986.The replenishment quantity for each article on a sales display is determined from the measurement of the length lefton the peg, this measurement being performed by means of either: (a) a gun which comprises an ultrasonic emitting device and a...

A process for the rapid post curing of polyether polyurethane foam in the form of porous blocks in which the foam is subjected to a mixture of water vapor and gaseous ammonia, primary or secondary amines at a temperature of about 50 DEG to 150 DEG F. for a period of 1 or more minutes. The cured foam recovers its original dimensions when distorted or compressed after the distortion or compression...

An improved posttreated prosthetic device molded from a synthetic bioabsorbable polymer is disclosed. The improvement comprises the device molded at a temperature above about 70 DEG C. A process for manufacturing a molded prosthetic device is also disclosed.

An improved posttreated prosthetic device molded from a synthetic bioabsorbable polymer is disclosed. The improvement comprises the device molded at a temperature above about 70 DEG C. A process for manufacturing a molded prosthetic device is also disclosed.

A coherent jet of the liquid is directed onto the liquid surface through a gas layer thereover. The liquid jet is issued out of a nozzle at a velocity of 20-38 m/s and a Reynolds number of at least 400,000 and the free path length of the liquid jet is at least 15 times the diameter of the liquid jet.

PURPOSE:To allow a device to be burglarproof in the trunk-through type car by configurating the device in such a manner that a rear seat back can not be folded forware from the cabin side without unlocking a lock mechanism with a trunk room lid opened. CONSTITUTION:No.1 operating knob 19 of No.1 unlocking unit 21 is pulled upward while No.3 unlocking unit 34 is in a condition of unlocking. This al...