baber/WOPTO huggingface dataset:
Patent DE-3902228-A1 (DE)
Title: Electrophoretic printer
Inventor: HILL BERNHARD PROF DR ING
IPC: G03G15/34
Filed: 1989-01-26
Abstract: The electrophoretic printer serves to record text, graphics or half tone information on an image carrier. To do this, electrically positively or negatively charged black or coloured toner particles are precipitated from, for example, a carrier fluid on to the image carrier under the effect of a locally produced electric field. The local electric field is produced by means of a pin electrode in the toner fluid opposite a metallic counter electrode. The counter electrode can be formed by means of a conductive reverse side of the paper when dielectric paper is used as the recording carrier, or by the intermediate image carrier itself when a metallic intermediate carrier is used. Arrangements with a plurality of pin electrodes which are operated in parallel are also known, in which case however the problem occurs that as a result of different voltages at the pin electrodes the toner particles themselves are deposited. The object of the invention consists in finding an arrangement in which the electrodes which produce the local electric field are not arranged in the toner fluid. The object is achieved in that a dielectric film is used as image carrier or intermediate image carrier, which film is moved past in front of a print head with an electrode arrangement, and in that the toner fluid is fed to the side opposite the print head. The print head here can ... with high density of the arrangement of the ... Original abstract incomplete.
Patent DE-3902574-A1 (DE)
Title: Optical waveguide connector
Inventor: FINZEL LOTHAR DIPL ING
IPC: G02B6/38
Filed: 1989-01-26
Abstract: The object consists in creating a multiple optical waveguide connector which can be assembled easily on the spot without relatively large outlay. The object is achieved according to the invention in that the optical waveguides to be coupled are inserted into the centring grooves (25) of carrier elements (21), optical waveguide pieces (4), which have already been firmly fixed by adhesion, being present in these centring grooves on the end face (6) of the respective carrier element (21), the end faces of which pieces terminate in a flush manner with the end face (6) of the respective carrier element. The optical waveguide ends (7) to be coupled are inserted into the centring grooves (5) of the carrier elements (21) to such an extent that they abut against the rear ends (12) of the optical waveguide pieces (4). It is no longer necessary to grind the optical waveguide ends after they have been fitted to the carrier elements. The optical waveguide ends (7) to be coupled are glued into the centring grooves (25) of the carrier elements (21). The invention is used in the field of multiple optical waveguide connectors which can be prepared on the spot. <IMAGE>
Patent DE-3906716-A1 (DE)
IPC: B25H3/02
Filed: 1989-03-03
Abstract: A storage box (1) for screw driver bits (2) has a housing bottom part (11) which contains, for each screw driver bit (2) to be stored therein and also for a magnet holder (3) likewise to be accommodated in the box (1), an associated compartment (24, 33). Connected to the housing bottom part (11) is a lid (12) for closing the compartments (24,33). To improve user friendliness, the lid (12) is connected to the bottom part (11) via a hinge (13), with the result that when the lid (12) is open all of the compartments (24, 33) of the bottom part (11) are simultaneously accessible. <IMAGE>
Patent DE-3911110-A1 (DE)
Title: Apparatus for mixing thermoplasticised material as a device for introducing additives into a melt flow of thermoplasticised material
Inventor: SCHWARZ WILFRIED
IPC: B29C48/335
Filed: 1989-04-06
Abstract: Apparatus for mixing thermoplasticised material as a device for introducing additives into a melt flow of thermoplasticised material which emerges from an extruder. The rotor has its own drive which can be controlled by the open-loop and/or closed-loop method independently of the extruder. The thermoplasticised material is introduced axially into the apparatus. The additives are forced in at the beginning or upstream of the beginning of the rotor with the aid of a pump. <IMAGE>
Patent DE-3911382-A1 (DE)
Title: Locking differential
Inventor: PARIGGER MARTIN DIPL ING
IPC: F16H48/29
Filed: 1989-04-07
Abstract: A locking differential (1) has a drivable differential case (2) in which two coaxial output gears (4, 5) and at least one interacting pair of differential gears (6, 7) assigned to the output gears (4, 5) are rotatably mounted, the output gears (4, 5) and the respectively associated differential gears (6, 7) forming worm gear mechanisms (8). In order to reduce the outlay involved in manufacture and reduce the overall size of the differential, the output gears (4, 5) are designed as worm gears (8a) and the differential gears (6, 7) as worms (8b) of the worm gear mechanism (8), the differential gears (6, 7) of each pair of differential gears having axes which have an angular offset and meshing directly with one another. <IMAGE>
Patent DE-3914138-A1 (DE)
Title: Brake shoe for wheel rim - has back edge made of harder material than rest of brake shoe in contact with rims
Inventor: ZIEGER TOBIAS DIPL ING
IPC: F16D69/00
Filed: 1989-04-28
Abstract: The brake shoe for wheel-rim brakes has at least the front edge of the brake shoe (1') in contact with the rim, made of harder material than the rest of the brake shoe in contact with the rim. At least the end surface (7) of the brake shoe (1') is made of harder material than the rest of the base (8) of the brake shoe in contact with the rim (2). Both end surfaces of the brake shoe (1') are made of harder material than the main part between the end surfaces. The harder material consists.of rigid elastomeric material, plastics, sintered material, leather or wood harder than the non-rigid elastomeric material or leather of the rest. USE/ADVANTAGE - The brake shoe has a better braking action in wet conditions.
Patent DE-3917425-A1 (DE)
Title: Prodn. of roughened capacitor foil - involving electrolytic pretreatment before foil roughening
Inventor: DAUNER MANFRED
IPC: H01G9/04
Filed: 1989-05-29
Abstract: In the prodn. of electrode foils esp. for high voltage electrolytic capacitors, involving electrolytic and/or chemical roughening of heat treated aluminium foils, the novelty is that, prior to roughening, the foils are electrolytically pretreated as anodes in an aq. halide-free bath. The bath pref. has a conductivity of 1 micro-S/cm. to 50 micro-S/cm and consists of a soln. of SiO2 and/or H3PO4 (pref. 0.1-5 mmol/l H3PO4) in deionised water. Pretreatment is carried out at 20-85 deg.C for 5-60 secs. at a charge transfer of 0.1-8 mAsec. per sq. cm. of foil surface. ADVANTAGE - The pretreatment affects etching nuclei to give an increased number and more uniform distribution of etch tunnels resulting in extremely high foil roughening levels.
Patent DE-3920559-A1 (DE)
Title: Enclosed steam system with in-built steam generator - for several steam consumers of ironing unit,, in which condensate is led back into steam boiler
Inventor: FRAUENDORF MANFRED
IPC: F22B37/54
Filed: 1989-06-23
Abstract: An enclosed steam system with an inbuilt small steam generator serves a number of steam consumers (an ironing gp. comprising a board and a shaping part). Each user is supplied with satd. steam and the resulting condensate from the heating system and the steam ducts is led back into a steam boiler and the condensate connection via force of gravity. A steam valve is located at the condensate duct end and closes automatically in the event of steam removal. As a result, condensate or damp steam is prevented from becoming mixed with the satd. steam through vacuum formation. ADVANTAGE - The number of steam consumers can be extended or reduced as required.
Patent DE-3924033-A1 (DE)
Title: Chemical warfare agent resistant liner - which is separately worn below outer combat garments
Inventor: RUITER ERNEST DE DR
IPC: A62D5/00
Filed: 1989-07-21
Abstract: Protection against chemical weapons for military personnel is provided by an inner liner, e.g. a skirt below the actual contact jacket or other outer garment. The liner is of textile fabric carrying a covering of adsorbent particles, active carbon granules of 0.2-0.6 mm dia. with an internal surface of at least 600 sq/m/q. The carbon may derive from pitch, and the granules are embedded in a discontinuous layer of highly viscous material not subjected to crosslinking until the absorbent has been applied. ADVANTAGE - Liner need only be worn in high risk situations, and permits normal perspiration. For training, a lining with the same physiological properties can be used. Total effect is less cumbersome than impregnated outer garments.
Patent DE-3925866-A1 (DE)
Inventor: SCHNEIDER FRIEDHELM
IPC: B65B43/54
Filed: 1989-08-04
Abstract: The invention relates to a device for emptying a barrel (1) containing highly viscous material by pressing in a plunger (9). To prevent deformation of or damage to the barrel (1), the device comprises a turntable (2) on which the barrel (1) can be placed. The barrel can be supported at its outer periphery by means of a flexible entwining element (23) which can be reeled off a drum (24) or wound thereon. 
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Patent DE-3933019-A1 (DE)
Title: Waterproof seam cover - has laminated materials and sealing ribbons to prevent water passing through seams at sliding clasp fastener
IPC: A45C5/02
Filed: 1989-10-03
Abstract: The waterproof shield, to cover the seams of waterproof articles such as garments or tents or rucksacks and the like, has a strip of waterproof material located at the inner side of the cover (5) to be applied to the seam seal (16) and stitched, turned over and quilted together with the cover (5) to the outer fabric (2). A strip (8) within the cover (5) matches the added the material to be sewn along the edge (36) of the outer material (2) by a long edge (30) together with the cover (5) and the inserted material. The outer edge (38) of the strip (8) is sewn to the closure (22). A gap is between the free edge of the outer material edge zone and the cover (5), added material (6), and the strip (8) and the free edge (38) of the opposing long edge zone of the strip. A seam sealing ribbon (16) is bonded into place over the cover seams (10,12) on the inner side of the outer material (2) and the free edges (34,32,30,36) of the outer material (4), the cover (5), the added material, the strip (8) and are applied to the outer material (2) to be bonded with the inner side of the strip (8). ADVANTAGE - The process gives a rapid and simple method to exclude water from the closure, such as a sliding clasp fastener.
Patent DE-3933251-A1 (DE)
Title: Shock bearing for small weighted sensitive instruments - has spring elements of different thicknesses, stop plate and counter step
Inventor: SCHERRENS HENRI
IPC: G01D11/10
Filed: 1989-10-05
Abstract: An elastic bearing element for sprung support of sensitive loads has base and load side connecting parts mutually supported via spring elements. The spring elements (13,14) have different stiffnesses and are connected in series with an intermediate rigid bearing yoke (15). The load side spring element (13) is less stiff than the base side one (14) and is rigidly connected to a stop plate (16).  The stop plate is mounted opposite a counterstop (17) rigidly attached to the bearing yoke at a distance bounding at least one degree of vibrational freedom of the load (22). USE/ADVANTAGE - For elastic suspension of sensitive instruments with elastic stop effect.
Patent DE-3934808-A1 (DE)
Title: Carbon recovery from flue gas - comprises using complex of furnace and reactive carbon di:oxide decomposition vessel energised by DC potential
IPC: C01B13/02
Filed: 1989-10-19
Abstract: Carbon recovery from flue gas comprising an active furnace and a reactive CO2-decompsn. vessel, whereby both reaction processes combined to one complex produce an energy circuit, which is energised by an electrical d.c. potential. The CO2 decompsn. vessel is provided with positive and negative electrodes, whilst the pressurised liq. CO2 looses its binding characteristic by addn. of an electrolyte and applying a d.c. potential in two separate cells which are interconnected at the bottom. USE/ADVANTAGE - The recovery plant can be used in coal combustion plants for e.g., heating purposes and to produce steam for electrical powerstations. The carbon can be used for various purposes, whilst the environment is subjected to less harmful substances. The expenses in connection with coal used is reduced.
Patent DE-3934938-A1 (DE)
Inventor: ROEMLING ULRICH DIPL ING
IPC: H01M4/23
Filed: 1989-10-17
Abstract: The invention relates to a method of preventing the formation of lead dust during the manufacture and assembly of electrode plates of lead-acid batteries. It is proposed that the plates should be impregnated, preferably with a sodium hydrogencarbonate solution, prior to drying. This achieves not only an immobilisation of lead dust on the surface of the plates but also a marked improvement of certain performance data of the battery.
Patent DE-3938597-A1 (DE)
Title: Connecting sheet feeder with printer - involves forward acceleration gear parallel to tooth coupling for accurate feed
Inventor: MUELLER DIETMAR DIPL ING
IPC: B41F13/00
Filed: 1989-11-21
Abstract: The device for switching a sheet feed at the correct turning angle to a printing machine within one work beat of the sheet feeder has a toothed coupling for driving the sheet feeder. A forward acceleration gear is mounted parallel to the toothed coupling and comprises a spur wheel gear (4) mounted on a drive shaft (1) and intermediate shaft (5). The intermediate shaft is connected by an  asynchronous clutch (7) to an intermediate shaft (6) which supports plate (8) which corresponds to a roller (10) mounted in a roller lever (11) wherein the roller lever (11) is mounted rotationally secured on the shaft which engages by a clamping roller clutch (14), shaft (15), gear wheel (16), intermediate wheel (9) and gear wheel (17) with the drive shaft (3). USE/ADVANTAGE - Irrespective of the operating speed of the printing machine the functional reliability is high with wasted sheets reduced to a minimum.
Patent DE-3940094-A1 (DE)
Inventor: O'REILLY JOSEPH DR
IPC: C07D311/30
Filed: 1989-12-04
Abstract: The invention relates to highly concentrated active component concentrates and new active component combinations from Ginkgo biloba leaves as well as their method of preparation and the pharmaceuticals containing these active component concentrates or active component combinations.
Patent DE-4004544-A1 (DE)
Title: Distortion-free laser welding esp. for optical components - uses three laser focussing systems to weld rotationally symmetrical workpiece to second workpiece
Inventor: MOELLER ULRICH DIPL PHYS DR RE
IPC: B23K26/28
Filed: 1990-02-14
Abstract: Laser welding unit for welding a first rotationally symmetrical workpiece (W1) to a second workpiece (W2) has the novelty of three focussing systems (Fol, Fo2, Fo3) for the simultaneous prodn. of three welds arranged symmetrically at 120 deg. to one another about the circumference of the first workpiece. A centering and clamping unit (ZuS) holds the first workpiece in place. The second owrkpiece is positioned by a further clamp system (Sp) with components (Sb1, Sb2, Sg) which enable adjustments to be made in the x-, y-, and z-directions. The second clamp system (Sp) can be moved by a locating unit (Je) in two directions (x,y) which lie parallel to the welding plane. USE/ADVANTAGE - Distortion-free welding is possible esp. of optical fibre-lens arrangements on the housing of optical transmitter or receiver modules.
Patent DE-4007115-A1 (DE)
Title: Glass fragment bulk heater - has channels to feed hot exhaust gas and suction removal
Inventor: WEISSERT HELMUT
IPC: C03B3/02
Filed: 1990-03-07
Abstract: Heating bulk glass shards before they are fed to a melting plant, a hot exhaust gas stream is passed over the material in a channel system and underpressure is applied to the gas evacuation channel. The gas emerges from the lower side of the gas feed channel, with the gas dispersed through the material between the the gas feed and gas removal channels, for removal through the gas outlet channel. Pref. the gas is passed through a number of channels in the bulk container, arranged over each other and, at the upper level, the gas feed is from above with removal from below. A higher pressure is applied to the gas on feed into the channels, or the higher pressure is only applied for the gas fed to the lower channel levels. The exhaust gas is heated before it is fed into the channel system, to give a flue gas feed at 400-600 deg. C in the gas feed channel and a gas temps. of less than 200 deg. C in the removal channel. The gas emerging from the removal channel is condensed and/or cleaned. The bulk material is fed into the system by a delivery which can be closed. ADVANTAGE - The method gives an even and consistent heating of the material before it is melted.
Patent DE-4011632-A1 (DE)
Title: Support discs for OE rotor - has increased surface contact between metal disc and synthetic ring
Inventor: STAHLECKER FRITZ
IPC: D01H4/12
Filed: 1990-04-11
Abstract: An open-end spinning rotor shaft is held in synthetic covered supporting discs. The metal disc is shaped on the periphery, having a series of grooves cut across. The synthetic outer ring has projections on the inner circumference giving a precise fit into the grooves of the disc. ADVANTAGE - The ring is securely fixed to the metal disc, and permits a lighter ring to be employed, and still give adequate suppression of vibration.
Patent DE-4012174-A1 (DE)
Title: Current dividing circuit - sub-divides input current into predetermined output magnitude
Inventor: NUTZ KARL-DIETHER
IPC: H03F3/343
Filed: 1990-04-14
Abstract: The input current (Iein) is divided into two quantities (I1,I2) after passing through parallel input resistors (R1,R2). One current path (I1) flows via an electrometer-amplifier (3) input connector (4) to the circuit load (1). The second current path (I2) flows to the output connection (2) of the electrometer-amplifier (3). The electrometer-amplifier output connector (2) is coupled to the inverting input (6) as a normal feedback control loop. As the voltage on the electrometer-amplifier (3) input and output connectors, (4,2) remain identical the voltage ratio across the circuit input resistors (R1,R2) is I1xR1 = I2xR2. Therefore, the output current (Iout) to the load (1) has the relationship : Iout = IinxR2(R1+R2). USE/ADVANTAGE - Desired output current magnitude can be determined by selection of suitable input resistors. Simple, reliable and inexpensive circuitry. E.g. for obtaining currents proportional to differential voltage (armature voltage - armature current x winding resistance).
Patent DE-4020956-A1 (DE)
Title: Needle for puncturing spinal column - has tubular body with sliding insert and both parts having conical tips
Inventor: JARAIZ RICARDO FERNANDEZ-BLANC
IPC: A61B17/34
Filed: 1990-06-30
Abstract: A needle for puncturing the spinal column or hollow organs such as the bladder, pleura or peritoneum has a tubular body (1) which encloses a sliding insert (2).  The pointed tip (3) of the insert projects beyond the tip (4) of the needle and has a conical form in order to make the required penetration. This conical end of the insert forms a continuous conical surface with the tip (4) of the needle body (1) which forms the frustum of a cone.  This design of needle reduces the loss of fluid through the punctured membrane. USE - Surgery.
Patent DE-4021342-A1 (DE)
Title: Substance even heating process for differential scanning calorimetry - uses nuclear magnetic resonance effect by applying oscillating HF field onto even magnetic field
Inventor: BAYERL THOMAS DR
IPC: B01L7/00
Filed: 1990-07-04
Abstract: The substance, which is either para- or dia-magnetic is positioned in an even magnetic field. An orthogonal oscillating HF field is used to induce transfers in the Zeeman levels of the nucleui of the substance. Subsequent relaxation to lower levels induces even heating. The change in spin ensures even heating directly in the substance. The process can be used for small vols. for calorimetry investigations. USE/ADVANTAGE - Differential scanning calorimetry. No temp. gradients in sample.
Patent DE-4021908-A1 (DE)
Inventor: KAULE WITTICH DR
IPC: B42D25/29
Filed: 1990-07-10
Abstract: In the case of a multilayered optically variable element, preferably a hologram, having an adhesive layer which is covered by an easily removable top layer and at least one layer which has the optically variable effect, the protective layer is designed as a self-supporting and dimensionally stable layer of a thickness of a few micrometres. <IMAGE>
Patent DE-4023050-A1 (DE)
Title: Drive for movable distributor for pourable concrete - has actuator with two drums driven by drive unit, and driver alternatingly connecting distributor to drums
IPC: E01C19/18
Filed: 1990-07-20
Abstract: The driver pin (18) fits on the drive chain (14), and the distributor (3) has two driver stops (19,19'), one of which is connected to one of the drums (15,16), and can be temporarily brought into the running path of the driver (18). The movement path of the distributor is restricted at both ends by limiting guides (8,9) which have rounded surfaces (12,13) for the operating components of the driver stops (19,19'). The driver is formed as a body on the outer radius of the chain, and is roller-shaped which, crossways to the drum longitudinal axis, projects on both sides beyond the circulation plane of the chain. USE - For the distribution of bulk material, such as pourable concrete, in the construction of road surfaces, and similar.
Patent DE-4025971-A1 (DE)
Title: Turbo-mill for grinding inorganic material - has grain deflector rings separated from blade retaining rings by narrow gap
Inventor: EBERT HELMUT DIPL ING
IPC: B02C13/20
Filed: 1990-08-16
Abstract: The turbo-mill for grinding inorganic material has two rotors (6,7) which are mounted inside a housing (4) and rotate in opposite directions. Each rotor has a number of concentric rings of blades with the rings of blades of one rotor fitting in the spaces between the rings of blades of the other rotor. Each rotor (6,7) is equipped with a retaining and mounting ring (13,14) and at least one of these rings (13,14) is equipped with a deflector ring (18,19) to deflect the grains of the ground material. These deflector rings (18,19) are separated by a radial gap (23) from the respective retaining and mounting rings (13,14). USE - Grinding of inorganic material.
Patent DE-4030830-A1 (DE)
Title: Removing sludge from regenerated absorbing soln. in gas sweetening - by treating with carbon di:oxide and removing ppte. formed
Inventor: MOIR MICHAEL EDWARD
IPC: B01D53/14
Filed: 1990-09-28
Abstract: Removal of an acid gas from a gas is carried out with an amine absorbing soln. (I), with removal of the sludge from (I). The novel feartures are that (a) a stream of regenerated (I) is contacted with CO2 so that the sludge forms a ppte.; and (b) the ppte. is removed from the (I) stream.  (I) contains a sterically hindered amine (II) and a solvent (III), pref. 2-piperidinoethanol (IIA) and sulpholane (IIIA), and pref. also water. USE/ADVANTAGE - The process is claimed for removing H2S and CO2 from a gas. It is also suitable for removing SO2, SO3, CS2, HCN, COS and O and S derivs. of 1-4C hydrocarbons.  The sludge content is kept almost constant by removing it from lean (I), rather than from rich (I) (with a high H2S content), which is dangerous. The process eliminates the need to purify (I) by steam distn..