Abstract: A combination cassette changer and recording machine in which a remotely controlled cassette changer mounted on a conventional cassette recording machine substitutes a cassette from its magazine for the cassette previously installed in the machine. The changer first opens the cassette cradle, then, using a vertically reciprocal ram assembly, extracts the used cassette and, thereafter, inserts the new cassette in its place. Finally, the changer closes the cradle for further operation.

Abstract: A recording process, wherein an organic reducing compound being present in a supported or self-supporting layer and corresponding to one of the following general formulae (I) and (II): ##EQU1## wherein: R.sub.1 represents hydrogen, an aliphatic group of a cycloaliphatic group, andR.sub.2 represents an aliphatic oxy group, a cycloaliphatic oxy group, an aryloxy group, an amino group of the formula ##EQU2## in which R.sub.3 and R.sub.4 (same or different) represent hydrogen, an aliphatic, a cycloaliphatic or an aromatic group or R.sub.3 and R.sub.4 represent together the necessary atoms to close a heterocyclic nitrogen containing nucleus; ##EQU3## wherein: R.sub.5 represents an aliphatic, cycloaliphatic, aromatic or heterocyclic group, is caused to effect in said layer under the influence of information-wise heating an information-wise reduction of a reducible reaction partner.

Abstract: A device which is useful in development of diazotype paper said device comprising a liquid application roller, a dosing roller cooperating with it and one or more pressing organs to bring the diazotype material into contact with the application roller. In order to reduce liquid transport via the extremities of the rollers toward the pressing organs, the dosing roller is provided with limiting elements which are installed at the exhaust side of the dosing roller near the nip between this roller and the application roller and each limiting element consists of at least five plates, installed perpendicularly on the shaft of the dosing roller of which plates one side is closely adjacent to the cylinder surface of the dosing roller. The limiting elements transport superfluous liquid from said nip between the rollers toward the liquid reservoir and thus they inhibit the liquid transport toward the pressing organs which would wet the rear side of the diazotype material.

Abstract: An apparatus for taking out an average sample of milk proportional to the yield from the milking of a cow. The apparatus comprises a primary sampling system and a secondary sampling system. The primary sampling system has a chamber into which milk is sucked during the milking of the cow through a first tube terminating at a distance from a superimposed circular cylinder the bottom of which forms a substantially horizontal circular distributor surface which spreads the milk to form a film. A fraction of the film is caught between a first pair of knives, which are not integral with the distributor surface, and passed through a normally open valve into a collecting cup, while the major part of the milk leaves the chamber through a discharge tube in the bottom of the chamber.

Abstract: Reproduction apparatus with at least two objectives in a movable holder and an adjustable diaphragm. The holder and the diaphragm are provided with signal initiators which activate detectors in dependance on the position of the holder respectively the adjustment of the diaphragm.

Abstract: A method and apparatus for X-ray examining organs and parts of the body of human beings and/or animals, wherein the X-ray image is reproduced by means of a television circuit on the viewing screen of a monitor. Photographs of the X-ray image are taken as a film disposed in front of the screen of the monitor is exposed to the monitor picture for a period of time including a plurality of image scan cycles. During this period of time the gain in the television circuit is varied in accordance with a time function such that the brightness of the monitor picture remains constant during this period.

Abstract: Herein is described an article for encapsulating in separate compartments a plurality of elongate substrates. Typically the substrates comprise the union or junction between pair of electrical conductors or similar structures. The article comprises a heat recoverable outer tubular member and an inner spacer member to divide the space within the outer member into separate compartments. In particularly preferred embodiments, the article also comprises a fusible insert which will melt when the outer member is heated to cause its recovery. The fusible member can flow about the substrate. If the fusible member comprises, for example, solder, the article can be employed to simultaneously incapsulate and form a secure electrical connection between electrical conductors at their union.

Abstract: The thermosetting polymers and prepolymers of the invention are obtained by ondensing a pyridine comprising at least three methyl groups, such as trimethyl-2,4,6 pyridine, with an aromatic dialdehyde, such as trephthalic aldehyde at a temperature ranging from about 150.degree. to about 220.degree. C. They can be shaped and set by maintaining the temperature between about 200.degree. and about 300.degree. C. They are suitable for making laminates.

Abstract: In an automatic textile winding machine comprising a driving cylinder on which rests a slubbing bobbin for being driven thereby, a device for automatically forming an initial bight of a roving around the slubbing bobbin at the commencement of winding comprises a suction nozzle for receiving the leading end of the roving emerging from the nip between the driving cylinder and the bobbin and a reciprocating bight-forming finger which, in moving between a rest position and an operative position, engages the roving extending between said nip and said suction nozzle, and lays it around the bobbin, an air jet carried by the finger then serving to blow the leading end of the roving into the nip between the bobbin and the driving cylinder again.

Abstract: A composition suitable for use in the plugging of tapholes of a metallurgical furnace is provided, which comprises a mixture of 60-80% refractory and erosion-corrosion resistant grain material, 12-18% binder substantially on the basis of tar products, and 4-12% bonding clay. Preferably: the binder contains 65-75% of electrode pitch, 9-11% of C.sub.2 -resins and has a viscosity less than 8000 cp. at 20.degree. C; the refractory consists 20-40% of sieve fractions of approximately 3-6 mm, the balance being of finer grains; the composition also contains ground soft coal, approximately to 10%; the refractory is burned magnesite with over 80% MgO content, or a mixture of 56-100% of Al.sub.2 O.sub.3 and from 0-44% SiO.sub.2, or a mixture containing 50-100% SiO and from 0-50% SiO.sub.2 ; and the refractory material contains impurities reducing its sintering point toward or below 1300.degree. C.

Abstract: A test sample containing L-lysine in proteinaceous substances is reacted with a .gamma.-formyl-pyridine reagent of the general formula ##SPC1##Wherein R.sup.1 and R.sup.2 are each aliphatic carbon groups having not more than 4 carbon atoms or forming with two adjacent carbon atoms in the pyridine ring aromatic rings, in order to form the corresponding Schiff base, and the amount of reacted pyridine reagent is determined.

Abstract: An injector for delivering fuel to a combustion engine in which the pump chamber of each fuel pump has a volume adjustable by control means, is provided with a displacer body which is connected to an armature of an electromagnet. The stroke of the displacer body is limited by an adjustable stop and should be influenced as less as possible by wear due to stopping a considerable mass of the armature every time. In order to expose the injector less to wear the displacer body is coupled with the armature through an elastic coupling.

Abstract: An apparatus of small dimensions may be used to operate the water contained in the processing baths of automatic processing machines. The solid residue may be collected and sent to silver recovery plants, whereas the evaporated water serves to heat the drying station of the processing machine whereinafter it may be fed to the washing station. In so doing, a considerable amount of wash water is recovered and no chemical compounds are discharged to the sewer through which pollution of surface waters is practically eliminated.

Abstract: An axial supersonic compressor comprises a casing and a hub rotating in the asing and carrying blades. The suction surface of each blade is formed with a zone in which the curvative changes and which corresponds to a supersonic-subsonic shock wave. A channel formed in each blade and opening in said zone is connected to boundary layer aspiration means.

Abstract: A recording material is described, which comprises a support of paper or of synthetic polymer and an electroconductive layer on at least one side of the support. The surface resistance of this electroconductive layer is not more than 10.sup.11 ohms per sq. at a relative humidity of 15%. The layer consists or includes a major proportion of a water-soluble polymer resulting from the amino alkylation of polyethyleneimine with an epoxy compound bearing a quaternary ammonium end group.The electroconductive layers may be used as antistatic layers in a photographic silver halide recording material. When covered with a photoconductive coating the electroconductive layer may be used in electrophotographic recording materials. When an insulating layer is applied on the electroconductive layer an electrographic recording material is formed.

Abstract: High protein active dried bakers' yeast having excellent gas production is prepared from yeast strains Ng 2031 and Ng 2103 having a protein content of 47 to 60%. Drying is carried out by dividing fresh compressed yeast into particles followed by contacting the particles with a stream of hot air initially at a maximum temperature of 160.degree. C until the yeast is dried to at least 85% dry matter content by weight in not more than 120 minutes. The air temperature is gradually decreased so that the temperature of the yeast does not rise above 50.degree. C. A swelling and/or wetting agent may be mixed with the yeast before drying.

Abstract: A precision system for moving a tool with very small increments with respect to a frame including at least two micrometer drive mechanisms each comprising a screw spindle and a cooperating nut and each provided with an intermittently driven worm and worm wheel. The tool is borne solely by the micrometer drive mechanisms that are supported in the frame. In a preferred embodiment is of each micrometer drive mechanism the worm wheel mounted on a spindle, one of said worm wheel and spindle being connected to the screw spindle and the other to the nut.

Abstract: Apparatus and a method for the introduction of a combustible mixture into a conventional cylinder of a conventional internal combustion engine. In addition to the conventional camshaft-controlled intake valve, an inlet check valve that is responsive to the pressure within the cylinder is provided. The inlet valve admits combustion air from the surroundings to the cylinder when the piston of the cylinder is in its suction strike, and it is closed off when the piston is in the compression, power, and exhaust strokes. Means can be provided to control the amount of air available to be admitted by the inlet valve in dependence upon the RPM of the engine. Also, a plurality of inlet valves may be provided, as well as a means for sequentially supplying air to them as a function of the engine RPM or only above a certain RPM.

Abstract: A bundling machine for flat, flexible objects such as bags including conveyor means for delivering bags to a storage volume within the machine. Tape for binding the bundle is fed across the bottom of the storage volume from either side and is joined at the center. Stacking means are provided and when the desired number of bags are piled, a pair of horizontally reciprocating portions under the pile separate, allowing it to fall onto a table below, after which the reciprocating members approach one another again and the pile of bags is compressed onto the under side of the reciprocating members and the binding tape is tensioned. The tape at this stage substantially surrounds the pile, the ends passing through the small space between the reciprocating portions. The tape is severed at the point where it passes between the reciprocating members, the ends of the portion surrounding the bags being adhered to each other and the severed ends being adhered to each other.

Abstract: A continuously operating press or prepress comprises:Two superposed endless platen belts, each formed from a plurality of articulated platens, the superposed endless platen belts defining together a material pressing travel for material being pressed by the press or prepress. The material pressing travel path defines a high pressure zone and an inlet zone where the individual platens of at least one of the endless platen belts move from a configuration in which each platen is angularly offset with respect to the following platen to an essentially coplanar configuration. Moreover, each platen defines a leading projection coplanar with the body portion of the platen and projecting beyond the trailing end of the leading platen attached thereto, and furthermore the body portion of each platen defines a recess for receiving the leading projection of the trailing platen attached thereto.