baber/WOPTO huggingface dataset:
Patent SE-7706740-L (SE)
Inventor: SEIERSEN O S
IPC: H02M3/338
Filed: 1977-06-09
Abstract: A DC voltage convertor utilizes a switching transistor for switching the primary of a power transformer inserted in the emitter-collector circuit of the transistor, the base of the transistor is connected to the secondary of a control transformer which has its primary connected in series with the primary of the power transformer. A further secondary winding on the control transformer is connected to a transistor control circuit, which is controlled by a voltage dependent on the output voltage of the converter, provides voltage stabilization without galvanic connection between the primary and secondary sides.
Patent SE-7707937-L (SE)
Inventor: BELAIRE R C
IPC: F02G1/045
Filed: 1977-07-07
Abstract: A closed working fluid system for a regenerative type Stirling engine is disclosed. The system has pistons therein arranged to be of the double-acting type. A compensating system is employed to eliminate the force differential that works upon the upper and lower surfaces of each double-acting piston during cold engine start and restarting conditions.
Patent SE-7713362-L (SE)
Inventor: CHIANG M-T T
IPC: C08L7/00
Filed: 1977-11-25
Abstract: This invention discloses latex compositions wherein a specially treated, substantially non-birefringent, cold water swelling, granular starch product is used as a thickener and for partial replacement for the polymer in the latex.
Patent SE-7713718-L (SE)
Inventor: EGLISE D
IPC: H03K4/00
Filed: 1977-12-02
Abstract: A coin testing device for discriminating between an acceptable coin and an unacceptable coin of similar diameter but having a different edge characteristic. The device comprises a coin passageway defining a path along which coins pass through the device. A light source positioned to throw light on the edge of a coin as it passes along the coin passageway and a light sensor is positioned to receive light reflected from the edge of an acceptable coin as it moves along the coin passageway. Means are provided for examining a time-dependent quality of the reflected light received by the sensor such as the duration or the number of pulses and for comparing the value of the quality with the value for an acceptable coin.
Patent SE-7901899-L (SE)
Inventor: TSAO G T
IPC: C13K1/02
Filed: 1979-03-02
Abstract: A process for recovering cellulose using sulfuric acid and utilizing the recovered cellulose by hydrolyzing to yield glucose comprises hydrolyzing. Cellulosic raw materials by dilute sulfuric acid to remove hemicellulose, after which the solid residue is separated and concentrated sulfuric acid is added thereto to dissolve cellulose in the solid residue. After blending and mixing of the residue in the concentrated sulfuric acid under closely controlled reaction conditions, cellulose is reprecipitated by addition of water or an organic solvent such as methanol. The recovered cellulose can then be hydrolyzed by cellulase enzymes and/or dilute acids to provide a high yield of glucose. High level recovery and reconcentration of the sulfuric acid is also disclosed.
Patent SE-8000871-L (SE)
Inventor: INTONTI FRANCESCO
IPC: A61F2/24
Filed: 1980-02-04
Abstract: A cardiac valve prosthesis comprising an annular metal element into which an occluding element having a truncated cone shape, is half-floatingly mounted, said annular element being provided with means cooperating with said occluding element for defining the maximum aperture of the valve, and abutting elements having very small overall dimensions, arranged in the upstream portion of said annular element, which portion defines the closure position of the occluding element of the prosthesis.
Patent SE-8002257-L (SE)
Inventor: HAATAJA ESA
IPC: A01G23/00
Filed: 1980-03-24
Abstract: An apparatus for preparation of forest land, which essentially includes two dishes (4, 5), each of which is on the end of its own arm (2, 3) attachable to a traction vehicle and extending backwards and outwards.  Each arm is attached to the vehicle by a joint (6, 7) whose axis (8, 9) is slanted to the horizontal plane and a vertical plane perpendicular to the vehicle's direction of movement.  The outer ends of the arms fitted with the preparation dishes, when lifted, move inwards towards the vehicle's centreline and the apparatus itself, in transport mode, is thereby narrower than the traction vehicle.<IMAGE>
Patent SE-8002604-L (SE)
Inventor: WESTERBERG G
IPC: G01B11/00
Filed: 1980-04-03
Abstract: A compensating device in combination with a laser interferometer, which laser interferometer comprises a laser (1), a prism (6) rigidly connected to a movable object, a beam splitter prism (2) and a stationary prism (3). The wavelength of the laser light is subject to changes by external factors, for example meteorologic ones. The compensating device includes mechanism (4,5) capable to change the position of the stationary prism (3) in response to and by means of an electric signal, which represents the desired compensation for magnitudes affecting the accuracy of the laser interferometer.
Patent SE-8006554-L (SE)
Inventor: MISHIBA S
IPC: C08F2/22
Filed: 1980-09-18
Abstract: A process for preparing a copolymer latex by polymerization of at least one aliphatic conjugated diene monomer, at least one ethylenically unsaturated carboxylic acid monomer and at least one monoolefinic monomer copolymerizable with them in a weight proportion of 19.5-80:0.5-10:10-80, characterized in that (a) a mixture of the whole amount of the aliphatic conjugated diene monomer, the whole amount of the ethylenically unsaturated carboxylic acid monomer and a portion of the monoolefinic monomer, the combined amount of them being from 45 to 99% by weight on the basis of the total amount of the starting monomers, is subjected to emulsion polymerization, and (b) after or while the remainder of the monoolefinic monomer in an amount of from 1 to 55% by weight on the basis of the total amount of the starting monomers is added to the reaction mixture, the further emulsion polymerization is carried out.
Patent SE-8009130-L (SE)
Inventor: FORSTER F
IPC: B62D11/18
Filed: 1980-12-23
Abstract: A hydrostatic drive system for an excavator is provided having a primary energy source on the excavator, at least one pump installed in a housing for supplying several consumers, a connection between each pump and consumer effected through at least one control block and at least one connection from a consumer through a rotary transmission to the pump and wherein at least some of the pumps, distributors, control blocks and rotary transmission are joined into a common block.
Patent SE-8105686-L (SE)
Inventor: BARTON D H R
IPC: C07J41/00
Filed: 1981-09-25
Abstract: Novel 17-oxazoline-steroids of the formula    <IMAGE>  I  wherein R1 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms optionally substituted with a member of the group consisting of halogen, oxygen function and nitrogen function and alkenyl and alkynyl of 2 to 4 carbon atoms, R2 is alkyl of 1 to 4 carbon atoms, R3 is selected from the group consisting of hydrogen and hydrocarbon of 1 to 8 carbon atoms and the A,B,C and D rings optionally contain at least one double bond and are optionally substituted with at least one member of the group consisting of -OH, =O, halogen, alkyl and alkoxy of 1 to 4 carbon atoms, and alkenyl and alkynyl of 2 to 4 carbon atoms which are useful intermediates for known steroids having in the 17-position the   <IMAGE>  group.
Patent SE-8200926-L (SE)
Title: Portable box formed of folded sheet - has symmetrical inbuilt reinforcing strip forming handle
Inventor: PAASKE J
IPC: B65D5/46
Filed: 1982-02-16
Abstract: The portable box is of folded sheet material, e.g. corrugated paper, with a symmetrical inbuilt reinforcing strip (15), typically of tape. Openings are formed in the top of the box either side of this strip by folding supporting flaps (11) down into the box from the top (4), so as to bear against the gable ends (9). The design gives stiffness, and the box can be lifted by the handle (15) formed by the strip even with a heavy load.
Patent SE-8203382-L (SE)
Title: Tube with lock rings for manual loom warp cassette - fits on to warp beam, and has ring hole shape impeding cassette rotation
Inventor: KRUMLINDE J
IPC: D02H13/28
Filed: 1982-06-01
Abstract: At at least one end of the tube is a locking ring for fixing the tube onto the beam. The ring comprises a casing which is inserted in the tube. It has a central hole which has a cross-sectional shape corresp. to the end of the beam onto which it is pushed. When in position, the locking ring prevents rotation of the tube, relative to the beam but allows axial movement of the tube on the beam. (Provisional Basic previously advised in Week 8405).
Patent SE-8203448-L (SE)
Inventor: WHEELER DARYL
IPC: E21C31/12
Filed: 1982-06-04
Abstract: PCT No. PCT/AU81/00142 Sec. 371 Date Jun. 4, 1982 Sec. 102(e) Date Jun. 4, 1982 PCT Filed Oct. 2, 1981 PCT Pub. No. WO82/01150 PCT Pub. Date Apr. 15, 1982.A torque transmitting device characterized by a shaft (14) having a horizontal axis (17) and a first end and a second end said first end being arranged to be inserted foremost into a bore in a workpiece, wherein the shaft (14) is formed with at least one groove (16) extending longitudinally of the shaft (14), a workpiece engaging jaw (19) is mounted in the or each groove (16), means (13) is provided for retaining the or each jaw (19) in its respective groove (16) and wherein the or each groove (16) is tilted with respect to the longitudinal axis (17) of the shaft (14) so that the or each jaw is non-aligned with the longitudinal axis (17) of the shaft (14).
Patent SE-8205965-L (SE)
Inventor: JOHANSSON E
IPC: B65H35/04
Filed: 1982-10-20
Abstract: A device for handling goods stored in rolled form, such as carpets, presenting a lower and an upper table (5, 6) resting on a frame (2). The lower table is formed of a raising and lowering cradle with a lifting plate (26) for lifting of goods on their edge. After the cradle is lowered to a horizontal position on the frame, the roll of goods rests on both of the cradle's stock rollers (7, 8) which can be rotated. In this position the rolled goods can be unwound in order to be measured and rolled into the desired lengths, which occurs through the free edges of the goods being drawn up over and past a rotating support roller (16), which is connected to a counter (18) for measuring the drawn out length of the goods, as well as rolled up on the upper table (6) formed but a further pair of stock rollers (9, 10). Cutting of the goods can be done along a cutting ruler (15), after which the measured and cut length of the goods is removed from the upper table by an assisting roller (20).<IMAGE>
Patent SE-8206249-L (SE)
Inventor: TILDEBLAD BERNHARD
IPC: F41G1/14
Filed: 1982-11-03
Abstract: An optical aiming device with a front sight and a rear sight. The front sight is in the form of an upstanding needle-like element or an illuminated fine spot. To prevent repeated accommodation movements of the lens of the eye during aiming of the weapon the rear sight comprises two prisms disposed at each side of the front sight. Each prism will produce an image of the front sight, said image lying at the same distance from the shot's eye as is the eye-front sight-distance.
Patent SE-8300207-L (SE)
Inventor: GERGELE J
IPC: F16D65/18
Filed: 1983-01-17
Abstract: A first piston having a passageway for hydraulic fluid and a second piston slide within a cylindrical body of a jack for crown or disk brakes provided with a spring for opening the brake clamp or yoke. An extension of the first piston slides within a guide and actuates a movable pusher. A closure seal closes the passageway when the first piston touches the second piston. The axial friction force of the second piston on the cylindrical body is more than the force of the spring. The axial friction force of the second piston on the cylindrical body is more than the sum of the axial friction force of the first piston on the cylindrical body and the axial friction force of the extension on its guide, whereby the axial displacement of the first piston occurs before the axial displacement of the second piston when said pistons are actuated by same pressure. The displacement of the second piston takes up the wear of the brake linings while the displacement of the first piston effects the clamping of the brake linings on the crown or disk.
Patent SE-8301859-L (SE)
Inventor: SANDULYAK A V
IPC: B03C1/02
Filed: 1983-04-05
Abstract: The invention refers to a device for the separation of Ferro-magnetic material from liquid mediums, which consists of immovable chambers (1) containing a Ferro-magnetic filter filler body (3), connection leads for feeding in and feeding out a liquid medium, a magnetising unit (4) whose magnetic flow conductor is constructed of two parts (5) straight in front of each other, of which the parts (5) together with the filter filler body (3) form a closed magnetic circuit. Characterising the above invention is the fact that the parts that are straight across from each other (5), of the magnetising unit (4) are movable in relation to each other along the chambers (1).<IMAGE>
Patent SE-8302111-L (SE)
Inventor: CLARK N R
IPC: A63F7/36
Filed: 1983-04-15
Abstract: A pinball game, in addition to having an aspect in which a real projectile, i.e., a pinball, is manipulated to strike various targets, has a simulated projectile aspect in which a projectile is simulated by stepwise illumination of lights on an array. Events, in the simulated aspect, such as initiation of the simulated aspect, result from events on the playfield of the real projectile, such as retention of the projectile by a projectile-capture target, and events, such as release of the projectile from the projectile-capture target, result from events in the simulated aspect, such as completion or noncompletion of a maze. The player's total score is reflective of events on both the real and simulated aspect of the game.
Patent SE-8303433-L (SE)
Inventor: ANDERSSON STEN
IPC: B23B47/00
Filed: 1983-06-15
Abstract: No further information available at time of publication.
Patent SE-8303819-L (SE)
Inventor: NUTTING D J
IPC: A63F11/00
Filed: 1983-07-04
Abstract: The apparatus has a user input. Means are provided for communicating between the first and activated input 50, 60, and is operable either as a video game or as surface projectile game. A first system selectively operates the apparatus as a video game, and a second system selectively operates the game system as a surface projectile game. Control means provides stimuli to these systems in response to user activated input. Means are provided for communicating between the first and second systems and the control means. The video display 40 is reflected off a partially reflective- transmissive cover and, when activated, obscures observation of a ball 24 and a surface 20. <IMAGE>
Patent SE-8401248-L (SE)
Inventor: KUPARINEN TOIMI
IPC: A63C5/04
Filed: 1984-03-07
Abstract: Filaments, for example nylon filaments or glass wool fibers ending obliquely in the sliding surface are positioned in the holding part (4) of the ski. The object of the ski according to the invention is to provide a good hold without the use of wax.
Patent SE-8501586-L (SE)
Inventor: CAMBRIDGE EDWARD L
IPC: C01F7/306
Filed: 1985-04-01
Abstract: A process for the formation of high purity alumina from Bayer Process alumina trihydrate (gibbsite). The solid hydrated alumina is reacted with concentrated HCl to cause partial or complete conversion to aluminum chloride hexahydrate (ACH). The ACH or mixture of ACH and unreacted hydrated alumina is recovered as a solid and calcined in a single or multistage calcination to high purity alumina. Soda contents in the product anhydrous alumina can be reduced by 98% or greater. Contents of other impurities, such as silica, iron, magnesium, etc., are also markedly reduced. Different degrees of impurity reduction can be obtained by controlling the degree of conversion of the hydrated alumina to ACH and by recycling and treating the acid after solid/liquid separation. The purified products find use in the speciality ceramics field, as catalyst supports, as adsorbents, in electronic components, in prosthetic devices or other applications in which alumina of controlled degrees of purity offers an advantage.
Patent SE-8503078-L (SE)
Inventor: SIVERSSON P-E
IPC: B01D29/07
Filed: 1985-06-20
Abstract: PCT No. PCT/SE86/00300 Sec. 371 Date Feb. 20, 1987 Sec. 102(e) Date Feb. 20, 1987 PCT Filed Jun. 19, 1986 PCT Pub. No. WO86/07580 PCT Pub. Date Dec. 31, 1986.A method and apparatus for the manufacture of filters in which a filter material in the form of a continuous length (5) is folded to form pleats (39). The pleats are attached to their ends along the lateral edges of the filter material and are sealed in this way one against the other so as to form a flow path for the medium which is to be filtered into the spaces between the pleats on one side of the filter material, through the material, and out into the spaces between the pleats on the other side of the filter material. During the process of attaching the ends of the pleats to one another, the pleats are kept separated from one another by a pre-determined distance between their outer folded edges by means of a device (18) provided with a number of combs (20) which extend inside the pleats and hold them in this way at the aforementioned pre-determined distance from one another.
Patent SE-8505078-L (SE)
Inventor: JANSSON INGMAR
IPC: B22F1/142
Filed: 1985-10-28
Abstract: The invention relates to a method and means for removing liquid from moist metal particles, substantially without causing oxidation, preferably from metal particles produced by meant of liquid atomization of a casting jet, wherein the moist metal particles are collected in a space (1) and a non-oxidizing gas flow is blown through them, most of the moisture being caused to accompany the gas flow out of the space (1) and wherein the space, in which the metal particles are filled, is thereafter substantially evacuated so that any remaining liquid is vaporizeo and thus removed from the space (1).
Patent SE-8600661-L (SE)
Inventor: ANDERSSON A E
IPC: B01F13/04
Filed: 1986-02-14
Abstract: The object of the present invention is to protect the driver unit (1) of an immersible aerator and/or mixer apparatus against the surrounding liquid. The driver unit (1) is covered with a compact protective casing (5), to the bottom part whereof the gas to be lead into the mixer (14) is conducted through the gas supply pipe (2). At the junction of the gas supply pipe (2), inside the protective casing (5), there is located a gas supply channel (6) which is open at both ends, and this gas supply channel (6) conducts the gas to flow mainly upwards, to the top part of the driver unit. At its bottom, the protective casing (5) is attached to the base disc (7), and the gas flows through the holes (10) provided in the base disc (7) into the channel formed by the gas control cone (11) and the inner cone (12), and therefrom into the liquid either via the partly hollow secondary axis (13) of the mixer or via a separate gas pipe. During an interruption in the gas supply, the inner cone (12) forms a gas lock which protects the top end of the secondary axis, and the roughly 90 DEG  angle in the gas supply pipe (2) forms a gas lock which protects the motor.
Patent SE-8600682-L (SE)
Inventor: JONSSON KNUT
IPC: A01G9/12
Filed: 1986-02-17
Abstract: The rotating drum (6) on the hook (4) extension (5,5') has the wire (1) supporting the plants wound onto it, and is lockable in a desired position relative to the hook. It is releasable from this position to permit the wire to be unwound, with the result that the supported plants are lowered.
Patent SE-8601591-L (SE)
Inventor: CEDERBERG K A
IPC: H05K3/46
Filed: 1986-04-09
Abstract: An approx. 35 micrometre thick electrolytically precipitated copper foil is used as carrier with a strongly structured surface profile on one side. On this structured surface is applied a 100 micrometre thick layer of an organic UV-hardenable polymer as an insulation layer. The lined foil is then laminated to the surface of a fibreglass epoxy laminate which is provided with a connection pattern of copper. Lamination occurs under pressure and heat between flat plates, and with the polymer layer turned towards the connection pattern, but before lamination the space between the plates is evacuated. - Then the copper foil is removed by etching, and the polymer layer is dried at low heat, and illuminated with ultra-violet light through a mask so that only parts which are required to remain are lit and hardened. The non-hardened parts are dissolved away using a solvent which does not attack the hardened parts. In this way, the underlying connection pattern contact points have the apertures leading to them disclosed. Chemical and electrolytic metalling is effected so that all surfaces of the insulation layer and apertures are lined with a copper layer approx. 100 micrometres thick. (Provisional basic advised week 87/48)(0/4)
Patent SE-8701981-L (SE)
Inventor: ERIKSSON JENS
IPC: B60P7/04
Filed: 1987-05-14
Abstract: The roof sheet may be pushed away towards one end or gable of the frame structure by a traction mechanism connected to a transversally positioned shaft driven by an electric motor. The mechanism includes two separate wheels of which one is driven by the shaft, and a line, chain or similar running endlessly between the wheels, and to which the roof sheet is fixed at one point. At least two further drive wheels are connected to the roof sheet traction mechanism, and work in conjunction with two traction mechanisms for the side sheets. These wheels can be activated independently of the traction mechanism for the roof sheet and vice versa. All three sheets are each movable between covering and open positions by the common drive source, i.e. electric motor.
Patent SE-8800284-L (SE)
Inventor: DAVELY R G
IPC: B29C37/00
Filed: 1988-01-29
Abstract: A surface covering product which comprises a substrate material, an impervious coating upon said material, and raised elements selectively printed upon said coating, which raised elements comprise or are derived from a thixotropic plastic containing particles of solid material. Such a product creates embossed-in-register features without the need for chemical or mechanical embossing. <IMAGE>
Patent SE-8901848-L (SE)
Inventor: INGEMARSSON H
IPC: B65B7/16
Filed: 1989-05-24
Abstract: A package comprising a tray and a removable lid, which tray is made of plastics material and is especially intended for keeping and heating of ready-cooked food, and which lid is made of cardboard and/or plastics material. The package include a plastic film (3) the area of which is at least as large as that of the lid (2) and which is heat-sealed to the lid and to the edge (1a) surrounding the opening of the tray (1) and the characteristics of which are such that the lid and the plastic film are removable from the edge without the lid or the tray being destroyed. The invention also comprises a method for sealing the package.
Patent SE-8903401-L (SE)
Inventor: BERGAMINI G
IPC: G01P3/06
Filed: 1989-10-16
Abstract: A volumetric meter for liquids and/or gases, in the radial cavities of the rotor of which there are housed rolling rollers which, by undergoing mutual repulsion by the action of magnets embedded in them, are urged radially into a sealed state against the inner surface of the cylindrical chamber, which is provided in positions straddling said opposite maximum and minimum clearance zones with two portions having constant curvatures with their centre on the rotor axis and extending through an angle equal to the angular pitch between two successive rollers, i.e. to 360 DEG  divided by the number of rollers used. Further inlet and outlet ports cooperating with the rear space in the housing cavities are also provided, as are fine adjustment means.