Abstract: A process is described for bringing ground coal or similar carbon-containing raw materials into solution with aromatic solvents under elevated pressure and at elevated temperature. The solvents used are high-aromatic residues obtained from the pyrolysis of petroleum fractions, having an average boiling point of above 380.degree. C., and/or high-aromatic distillates from the pressure/heat treatment of coal tar pitch, having an average boiling point of above 380.degree. C., as well as from 5 to 30% of aromatic products or mixtures of aromatic products, having a boiling point of below 250.degree. C.

Abstract: A casing shaped from a light metal material by diecasting, the casing having formed at its inner wall surface a mounting portion having a circular inner surface, the mounting portion being adapted to receive a bearing member having a circular outer surface and serving to journal a shaft. The circular inner surface of the mounting portion has formed thereon a plurality of supporting protrusions spaced at predetermined intervals in the circumferential direction, and the bearing member is press-fitted into the mounting portion. Alternatively, the mounting portion into which the bearing member is to be press-fitted is defined by an annular protruding portion having formed therein a plurality of slits spaced at predetermined intervals in the circumferential direction.

Abstract: An improvement in the method for the production of a highly aromatic pitch-like coal by-product by dissolving comminuted coal or similar solid carbon-containing raw materials with aromatic solvents at elevated temperature is disclosed wherein the solid materials are dissolved at atmospheric pressure in aromatic compound mixtures of coal origin with an average boiling point above 350.degree. C. and recycling of the condensable fractions of the reaction gas. If the occasion arises, further aromatic solvents may be added to the suspension.

Abstract: In the heat treatment of aluminium alloy strip, in which hardening of the material is effected by heat treatment to dissolve pre-existing precipitates in the metal matrix followed by quenching and ageing, the electrical conductance of the strip after quenching is measured using a conductivity probe scanned across the width of the strip, the heating being controlled in accordance with the measured conductance so as to obtain uniform electrical conductance across the width of the strip. This measured electrical conductance has a close correlation with the required mechanical properties. A transmitter producing an electromagnetic field is moved across the strip and a receiver, picking up signals due to the eddy currents in the strip, provides an output automatically controlling the movement of flux modifiers of a transverse flux induction heater to control the strip heating.

Abstract: A process for the preparation of modified pitches and low boiling aromatics and olefins is described. Waste plastic which consists of polymeric chains of olefins is subjected to a thermal treatment in the presence of high boiling aromatics. The modified pitches may be used for the production of carbon articles of high value.

Abstract: Process and apparatus for the continuous hydrolysis of plant biomass containing cellulose and hemicellulose.

Abstract: A flexible quilt collects and absorbs solar energy, and transfers heat to the underlying ground, water or other medium. It includes insulating gastight compartments which are located between an upper film and a lower film. The upper film has a high transmissability of ultraviolet and infrared energy directed downwardly therethrough, and it is reflective of infrared energy impinging on its lower surfaces. The lower film is absorbtive of solar energy and is modified to enhance the thermal conductivity through its thickness. To promote heat transfer to the underlying medium, the lower film is deformed to increase its surface area, a plurality of downward projections extending from each area of the lower film associated with each gastight compartment.

Abstract: A process is disclosed for the production of hydrogenated aromatic compounds and mixtures thereof by thermal treatment of aromatic oils or mixtures, derived from coal or petroleum, wherein the improvement over the prior art resides in thermally treating aromatic oils of boiling range 280.degree.-450.degree. C., with residues from the processing of liquid coal conversion products and/or petroleum refining, for up to 10 hours in a temperature region between 200.degree. and 380.degree. C. and at a pressure of maximum 15 bar, with good inter-mixing of the reaction components, and thereafter separating the products by distillation from the pitch-like residue.

Abstract: A speed limiting device for vehicles is described in which an actuator is responsive to a vehicle speed sensor to reduce air and fuel supplies to the vehicle engine when a predetermined vehicle speed is reached. The possibility of the vehicle driver overriding the device from the driver's position is eliminated by making electrical connections to supply power for the device direct to the vehicle's battery, and by inserting in the accelerator pedal linkage an compressible elastic strut which limits the force exertable on the throttle linkage by the driver.

Abstract: A polysulfide sealing composition is described which contains, in addition to the hardening agents and optional fillers, softeners and other conventional additives, a mixture of a solid polysulfide rubber with terminal SH groups and a liquid polysulfide polymer with terminal SH groups, wherein the weight ratio of the respective solid and liquid polysulfide is 100:5 to 15. The composition may be used for the manufacture of insulating glass units.

Abstract: Polymeric complex compounds of molybdenum, tungsten, manganese, rhenium and of the metals of the sub-groups VIII and I of the Periodic Table of Elements, which complex compounds have a silica-type structure are disclosed. At least one amine ##STR1## is bonded coordinately to the central metal atom. The atomic ratio of metal to nitrogen is from 1:1 to 1:10.sup.6. The required charge compensation is effected by means of an anion. In (1), R.sup.1 and R.sup.2 represent a group ##STR2## and R.sup.4 is an alkylene grouping. The oxygen atoms are saturated by silicon atoms of further groups (2), if appropriate with incorporation of crosslinking agents. R.sup.3 may have the meaning of R.sup.1 and R.sup.2, or represents hydrogen, an alkyl group, a cycloalkyl group or the benzyl group. The polymers can contain several metals. The invention also relates to processes for their preparation, and uses in catalysis.

Abstract: A compact injection assembly for die casting machines is disclosed. The assembly includes a small reservoir or pot for retaining a molten casting metal delivered thereto from a remote source. The assembly includes a cylinder with a piston and shot chamber therein, a nozzle and interconnecting conduit to the shot chamber. The assembly is supported by a single swivel socket arrangement directly below the shot chamber and cylinder. Horizontal outrigger arms are utilized to orient the assembly in its proper vertical position.

Abstract: An electrically operated military target capable of emitting an infrared signal when an electric current passes therethrough comprises a multiplicty of independent modules, each module corresponding to a thermal cue of a military threat asset. Each module is a unitary, composite, flexible laminate capable of conducting an electric current. Each module is provided with redundant circuitry for connection to a power source. The laminate is covered by a flexible, thermal insulating pad containing a multiplicity of discrete air-containing cells through which the infrared signal can pass. The target is useful for live fire training with thermal sights.

Abstract: Slaughtered poultry supported on the apparatus are internally cleaned by a spray head which is moved into the bodies of the birds. The spray head has a peripheral outlet slot defined by and located between a conical member and a truncated conical member which are threadedly interconnected. An axial delivery bore in the truncated conical member discharges directly into the outlet slot.

Abstract: In a method for identifying one or more botanical component parts from plants, a sample of the component parts is irradiated with electromagnetic radiation within the visible and/or ultra-violet and/or X-ray range for excitation of the component parts to fluorescence which is analyzed for determining characteristic fluorescence from the component parts. For determining the relative contents of the component parts in the sample, intensity measurements are carried out on the characteristic fluorescences or the number of emitters of characteristic fluorescence is counted.

Abstract: An apparatus for the manufacture of frozen confections includes an endless conveyor, a freezing chamber, means for moving the conveyor along a fixed path externally of the freezing chamber and then through the freezing chamber, a downwardly facing extruder nozzle of established cross sectional shape located above the fixed path, an apparatus for dispensing a lowermost cookie from the bottom of a stack of cookies onto a location along the fixed path including a frame, a substantially horizontal block supported by the frame having a vertical aperture therein, means connected to the block for holding the stack of cookies in vertical alignment with the aperture, a horizontal plate means under the block supported by a first moving means mounted on the frame operable to move the plate means between an obstructing position in which the plate obstructs the aperture to a cleared position in which the plate does not obstruct the aperture, a horizontal finger means above the horizontal plate means supported by a second

Abstract: The pot life of a quantity of decanter contained coffee is significantly increased by maintaining a substantial temperature differential between the surface of the contained coffee and the bottom contents thereof; and dispensing coffee from the bottom of the decanter.The reduced surface temperature, as contrasted with the higher "drinking temperature" maintained at the bottom of the decanter from which coffee is dispensed, results in a significant decrease in oxidation and a dramatic decrease in evaporation as will be apparent from the exponential nature of the vapor pressure curve for water across the temperature range in question.This pot life extension may, if desired, be further increased by maintaining superatmospheric pressure within the decanter.

Abstract: An extruder mixer for the extrusion of molten plastics and rubbers. The apparatus comprises a hollow cylindrical stator member and a cylindrical rotor member rotatable within the stator. The facing cylindrical surfaces carry rows of hemispherical cavities extending peripherally around the members so that the rows of one member are axially offset from rows of the other member whereby there is an axial overlap of the cavities and rotor. The cavities in adjacent rows on the rotor and stator are also circumferentially offset.

Abstract: A method for removing the hydrogen in the continuous chromium-plating process of large bars or long-shaped pieces and the like; according to the invention, the chromium-plating bath is made to recycle under pressure by feeding it into the space inside the chromium-plating anode and directing the jets of chromium-plating fluid towards the surfaces of the pieces during the passage inside the anode itself. This invention concerns moreover, a double-tank apparatus with a double sealing system at both ends and with a system for recycling the chromium-plating fluid, from the outer tank to the inner one, inside the anode.