Abstract: A cue-game comprising a table edged by uncushioned solid rails, and a number of sliding, generally cup-shaped, circular disks to be shot over said table by means of a cue. Each sliding disk has a resilient, skirt-like flange portion to bounce well and a height substantially exceeding that of the table rails. The inner walls of the table rails lean slightly inwards over the smooth and hard table surface.

Abstract: A silencing housing for enclosing a machine plant having at least one external cooler, for instance a compressor unit, which housing being divided into a primary chamber for accomodating the machine and a secondary chamber communicating with said primary chamber. Within the secondary chamber there are located a cooler and a ventilator. The ventilator is arranged to accomplish a ventilating air flow through the primary chamber as well as an air flow through the cooler within the secondary chamber. To this end the primary chamber is provided with one air inlet opening and the secondary chamber is provided with one air inlet opening and one air outlet opening. For adapting the housing to a machine plant having two external coolers it is provided with a tertiary chamber as well wherein the additional cooler is disposed. A second ventilator is arranged to establish an air flow through the additional cooler, which air flow extends out of the housing through an air outlet opening disposed in said tertiary chamber.

Abstract: The invention relates to a device for sealing a casing housing a machine element the rotatable shaft of which passes through the casing within which a pressure differing from that of the outside the casing is maintained. To provide a perfect sealing at the shaft passage, a liquid seal is formed by novel specific means. In a preferred embodiment where the device is combined with an apparatus the shaft of which passing through at least one wall of the casing is axially displaceable, the specific sealing means are displaceable together with the shaft while completely maintaining the sealing effect.

Abstract: A piston compressor is disclosed which comprises a cylinder head having a channel of essential length for cooling the compressed fluid before it leaves the compressor.

Abstract: The invention relates to an apparatus for extracting a fish which has been hooked for use in combination with line fishing means, comprising an L-shaped rod with differing arm lengths, the shorter of which acts as a pivot for a pair of bushings, each of which is connected to one of a pair of branches operating in the manner of scissors, forming respective hooks counterweighted at their top ends. A tube is slidably engaged around the longer arm of the rod, said tube incorporating anchor-points at the lower end for flexible components connected at the other end to the branch counterweights, the arrangement being such that, on pulling the tube sliding on the longer arm of the L-shaped rod, the hooks are closed together to grasp the body of the fish to secure it.

Abstract: A friction joint between mechanical elements, of which at least one has a mainly cylindrical surface, including a sleeve-means extending coaxially with the aforementioned cylindrical surface and which is per se capable of being adjusted axially along the cylindrical surface to selected axial relative positions in relation thereto, wherewith arranged substantially coaxially with the sleeve is a frusto-conical spring ring at least one peripheral surface of which abuts a peripheral surface on the sleeve-means and, under substantial reaction against said peripheral surface of said sleeve-means, is capable of being twisted or tilted by means of an axially adjustable ring pressing member acting against the spring ring.

Abstract: A room air conditioning apparatus for exchanging heat and/or moisture between fresh atmospheric air entering the room from the outside and consumed air being discharged from the room combines high capacity with relatively small dimensions, low air velocities and small pressure drops so as to minimize generation of disturbing noise. Within a casing, a motor-driven regenerative-type rotor passes through two air stream zones in the first of which is a motor-driven fan for discharge of consumed room air into the outer atmosphere and in the second of which is a motor-driven fan for supply of fresh air to the room from the outer atmosphere. In the rotor, the two air streams exchange heat and/or moisture content so that the supply of fresh air is given a desired, predetermined temperature and a desired moisture content.

Abstract: Grinding discs in apparatus for manufacture of pulp composed of a support disc and segments mounted on said support disc so as to form a ring. The segments are formed with ribs and grooves for breaking down the material to be ground. The outer and inner peripheral edges form together common edge lines following a wave-shaped contour line. The invention also includes a method of manufacturing segments which when annularly mounted on a support disc present wave-shaped common outer and inner peripheral edge lines.

Abstract: A torque absorbing carrier for the pinions in an epicyclic gear train which comprises a pair of flanges between which the pinions are mounted to mesh with the sun wheel and the internal gear ring.When the pinions function as planetary gear wheels, one of the flanges operates to transmit the torque moment and is connected to a drive shaft; when the pinions function as star gear wheels, the other flange operates to transmit the torque moment and is firmly anchored in the gear housing. The pinions are pivoted on shaft pins which are resiliently mounted in the torque transmitting flange and fixedly mounted in the other flange to prevent angular motion of the pinions and to maintain the parallel axial alignment between the pinion shafts, the sun wheel shaft and the internal gear ring.

Abstract: The present invention relates to a process for purifying metallurgical gases containing sulphuric anhydride by extracting mercury, using the sulphurous anhydride which accompanies the metallurgical gases as an oxidizing agent for the mercury, an additional contribution of sulphurous anhydride being made when the latter is deficient, and employing in addition an acid to facilitate the oxidization of the mercury and a soluble thiocyanate in order to complete the oxidation of the mercury.

Abstract: A device for driving a hose or cable reel along a feed beam of a drilling machine at half the speed of the drilling machine. The device comprises a slide guided by the feed beam in which a sprocket wheel is journalled in the slide and is rotated by engagement with the drive chain or similar drive means for the drilling machine to move back and forth in engagement with a stationary member on the feed beam at half the speed of the drilling machine.

Abstract: Condenser for a gaseous media such as steam, comprising a plurality of longitudinal tubes, generally several thousands, through which a coolant passes. Steam is passed around these tubes, and the tubes are braced at selected locations in longitudinal direction by means of brace plates or the like, and the steam is passed from the periphery of the heat exchanger and toward the interior thereof during condensaton. The condenser comprises a casing or shell and one or more nests of tubes and means for circulating steam around the entire or greater part of the periphery, and within each tube nest, an air-cooler device is placed centrally or substantially centrally, which air-cooler extends along the entire length of the tube nest. The brace plates are provided with flow channels effective to distribute the gaseous media about the condenser in response to fluctuation in condensing capacity along the tube nests.

Abstract: The invention relates to a continuous method of making cellulosic pulp from wood chips within a range of yield from 65 to 90 per cent by digestion with a digestion liquor containing Na.sub.2 S and Na.sub.2 CO.sub.3. The digestion is effected at temperatures between 150.degree. and 190.degree.C and malodorous sulfur compounds are removed from the pulp, the liquor and the vapors prior to their withdrawal from the digesting process. In order to eliminate their capacity of emitting obnoxious odors, the sulfur compounds are oxidized by addition of molecular oxygen to the digester prior to discharge of pulp and spent liquor from the digester after which the spent liquor is removed from the digested pulp, concentrated and burned for renewed use in preparation of fresh digesting liquor.

Abstract: Method for continuously forming a corrugated web of thermoplastic material in which the corrugations extend diagonally across the web. The web is first softened by heat and then passed to a molding belt which moves in an endless path while supporting and advancing the web in a longitudinal direction. The molding belt is provided with grooves corresponding to the corrugations in the web. The corrugations are formed initially by poking the softened web progressively into the grooves without stretching the web to any substantial degree. The thus initially formed corrugations are thereafter drawn into the grooves and retained therein by applying suction to the bottom side of the molding belt.

Abstract: A device for applying the drill tool displaceably carried by the feed beam of a vehicle supported drilling machine to a rock surface located at a distance from the feed beam. The drill tool is held in position during the collaring of the drill hole by a drill guide carried by a maneuverable arm mounted on the vehicle separately from the feed beam, and which drill guide is moved into engagement with the drill tool in close proximity to the rock surface. After the drill tool has penetrated into the rock surface a distance sufficient to be supported by the drill hole, the drill guide is released by a hydraulic device and withdrawn from the drill tool by the maneuverable arms.

Abstract: An improved method for the manufacture of wood fiberboard according to the wet system with a closed white water system includes the steps of drying the incoming lignocellulose containing material, prior to the dilution step, to a dryness, or solid consistency, which is higher than the dryness of the wet lap or sheet before final drying to produce the fiberboard product. Formaldehyde is added to the resulting white water which is homogenized to atomize occurring precipitations through efficient agitation and dispersion prior to being recirculated for use for diluting the incoming fiber material. Thus, there is obtained an efficient closed white water system which results in a reduction of environmentally harmful discharge of polluted water as well as the production of fiberboard with enhanced appearance.

Abstract: The invention relates to methods of cutting spallable material such as rock using high pressure water jets. Two jets which preferably diverge cut slits in the material face. These slits are close together so that the material between them spalls out. The invention also provides apparatus for providing such jets.

Abstract: An air rifle comprising a tubular casing in which the barrel is mounted. The bullet or other projectile is propelled by the escape of compressed air from a compression chamber produced by a forceful spring actuated movement of a piston having a deformable piston head which strikes a channelled funnel-shaped cap member which forms gas tight closure for the forward end of a compression cylinder within which the piston moves and which also forms a seal around the projectile seat in the shooting position of the compression cylinder. The compression cylinder slideably engages the walls of the tubular casing which has a normally open rear end to which is detachably connected a closure member or rear body which serves as an abutment for the spring and also to support the trigger mechanism and a trigger guard. The rifle is cocked by actuation of a lever mechanism which is pivotally connected to the tubular casing and to the rear body and includes a draw bar which is pivoted to the cap member.

Abstract: An air rifle having a casing with a compression cylinder displaceably housed therein, and including a spring actuated piston, the cylinder having a front end wall with a transverse bore, tensioning structure for compressing the spring pivotally connected to the underside of the rifle, comprising a tension lever and a tension draw bar, the tension draw bar having a head portion projecting into the bore to enable the tension draw bar to be pivoted with respect to the axis of the bore, and plug elements supporting the head portion disposed on each side of the head portion so that the plug elements bear against the head portion and against the casing.

Abstract: A fuel-air regulating system for hot gas engines in which a correctly selected ratio between fuel and air is maintained in spite of variations in the engine load. The system comprises temperature-controlled means for supplying fuel and air required for the combustion in a constant amount per unit of time which exceeds that which the engine requires for maximum power output when the high temperature level of the working gas had dropped to a predetermined lower temperature limit and for reducing the fuel and air supply to a constant amount per unit of time which is less than the amount required at idling of the engine when the temperature of the working gas has reached its predetermined upper limit.