baber/WOPTO huggingface dataset:
Patent DE-3921580-A1 (DE)
Title: New N-substd. 4-amino-benzene sulphonamide cpds. and complexes - with antitumour agents, antibiotics, etc., are used for control of tumours, fungal infections etc.
Inventor: TAKAYANAGI TAKEO DR
IPC: C07C309/76
Filed: 1989-06-30
Abstract: 4-substd. benzene sulphonamides of formula (I) and their salts, esp. metal salts, are new: (where X = RR'N; R1 = (II),  (III), (IV) -N(Me)CHO, NHCH2CH2Cl, NH.CO.NHOH, NHCOOEt, 6-mercaptopurinyl, 5-fluorouracilyl, prednisolyl, salicylhydrazidyl, 1-allyl-2-thiouracilyl, hydroxylamino, isomidyl, OH, OMe, OEt, n-propoxy, phenoxy, benzhydrol residue, SH, BH4, iodo etc.  USE - The complexes are used for regulation and suppression of uncontrolled tissue growth, i.e. they are active against malignant tumours; skin or mucosal neoplasms, and fungal diseases.  (I) are well tolerated with almost no side effects, and are soluble in water and physiological saline.
Patent DE-3923878-A1 (DE)
Title: Air-breathing perpetual motion machine for vehicular propulsion - eliminates liq. air consumption through continuous recycling of atmos. air through compressor, cooler and gravitonic evaporator
Inventor: STROBEL CHRISTIAN M DIPL ING
IPC: F03G7/10
Filed: 1989-07-19
Abstract: A reaction tube (15) extends along the axis (A-A) between forward and reverse thrust nozzles (5,6). A "prolongation unit" (16) performs iterative compression and cooling to liquefy the air induc-ted through an intake (17). The liq. air is heated by collisions of artificial gravitions with artificial photons of energy 500 keV, produced by electronic or positronic units (4) linked to current and control connectors (18). The revaporised air may drive a turbine. USE/ADVANTAGE - For land vehicles, ships and aircraft.  Service interruptions for replenishment of liq. air are not necess-ary. Fuel costs are eliminated from totally environment-friendly machine.
Patent DE-3925174-A1 (DE)
Title: Overvoltage protection circuit for DC source and load - has thyristor switch, limiting inductance and comparator logic control for limiting current surge to reservoir capacitor during transient
Inventor: BOECKELER DIETER ING GRAD
IPC: H02H7/16
Filed: 1989-07-26
Abstract: A method of protecting a DC source (Q) and its connected reservoir capacitor (C) and load (2) from the effects of transient overvoltage is arranged to disconnect the load (2) and capacitor (C) via thyristor (V1) during the voltage surge. Load current (IL) continuity is maintained however with inductance (L) limiting the current rise in capacitor (C) to a value within the turn off capability of thyristor (V1). A supervisory module (ii) provides a control regime using comparator logic which references the output circuit condition to a standard voltage worm. ADVANTAGE - Ensures limitation of capacitor charging current during transient, so that temporary disconnection of source is rapidly achieved within capability of thyristor switch. Maintains continuity of load supply during source disconnection. protects other loads supplied from same sources against voltage spikes caused for example by blowing of circuit fuse.
Patent DE-3927963-A1 (DE)
Title: Rotary piston pump and motor - has ball bearings which engage inclined groove in piston
Inventor: JOHN HELMUT
IPC: F02B75/02
Filed: 1989-08-24
Abstract: The rotary piston pump and motor has a piston (K) slidable in the axial direction it has an annular ball bearing whose balls engage a correspondingly inclined groove in the circumference of the piston. A cylindrical pin (Z) is firmly secured to the outer bush of the bearing and projects through an opening into the surrounding chamber cover. USE/ADVANTAGE - Pump with a chamber whose volume varies gradually as the piston is displaced, suitable for a two-stroke or a four-stroke engine.
Patent DE-3928589-A1 (DE)
Title: Computerised symbolic reconfiguration of PCB(s) - using interactive work-station to position cursor with and using actual conductor coordinates
Inventor: VOGL THOMAS
IPC: H05K3/00
Filed: 1989-08-29
Abstract: A method of computerised reorganisation of PCBs using an inter-active workstation involves storage of the coordinates of a point (x) on a conductor (Ln-Ln+6) on the PCB represented on the screen during positioning of the point with the mouse. The course coordinates of the conductor are determined in a section (A1) with the point (x) at its centre. Smaller sections are defined if required to isolate a single conductor. The coordinates of the position on the, screen are then replaced by coordinates on the actual conductor. USE/ADVANTAGE - Reduces difficulty of and time required for PCB design.
Patent DE-3931657-A1 (DE)
Title: Spraying of protective coating by robot - involves device with nozzles which can be quickly changed
Inventor: DENGLER ALFRED
IPC: B05B1/16
Filed: 1989-09-22
Abstract: A device for spraying objects with a protective coating is controlled by a robot and has means for quickly changing the nozzle.  The device has a body (8) with ducts (4,4',4"). The body (8) supports a disc (3) which carries nozzles (2,2',2") which are arranged in two concentric rings. By rotating the disc (3) relative to the body (8) the required nozzle can be brought into alignment with the appropriate duct. The disc (3) can be rotated by means of a small electric motor (7) mounted on the body (8). USE - Spraying of protective coatings.
Patent DE-3940830-A1 (DE)
Title: Pyrolysis reactor for melting industrial waste - in which fly-ash particles carried by flue gas are blown into reactor chamber, melted in high temp., mixed with slag and or angulated
Inventor: KUBIN HERBERT DIPL ING
IPC: C10B53/00
Filed: 1989-12-11
Abstract: This high-temp. (e.g., 1300 deg.C) pyrolysis reactor for melting industrial waste is a combination of already-known components. It provides environment-friendly and problem-free elimination of the waste (claimed). The fly-ash particles carried by the flue gas are blown into the reactor chamber, melted in the high-temp. zone, mixed with residual fluid slag, and granulated for use as a  road-building material (claimed). Variants claimed include the return of hot flue gases into the reactor chamber for pre-drying of the pyrolysis material, so enabling temps.  of 1300-1500 deg.C to be reached. USE/ADVANTAGE - Industrial waste, including poisonous waste from the pharmaceutical, chemical and plastics industries, can be destroyed without leaving harmful or inconvenient residues.
Patent DE-4002565-A1 (DE)
Title: Cathode ray tube with mirrored display - has viewing to side of tube axis by mirror and optics
Inventor: SCHULTZE GUENTHER DIPL ING
IPC: H04N5/74
Filed: 1990-01-30
Abstract: The image visible on the screen is mirrored through a mirror system (2) out of the direction of the beam path of the image producing cathode ray tube (1). An optical system (3) may be so inserted into the path of the visible beam that the size of the image upon the visible screen can be changed. Pref. the image is represented to the side by an optical system. Behind the mirror system in the beam path of the cathode ray tube a screening device (6) may be mounted. ADVANTAGE - No health-damaging exposure of user to radiation from screen of CRT.
Patent DE-4007990-A1 (DE)
Title: Wooden component for soundproof wall - has protruding and recessed coupling portions at edges and vertical passage
Inventor: CLAUS HERMANN
IPC: E02D29/02
Filed: 1990-03-13
Abstract: The wooden component (1) is for the construction of a soundproof wall. It is square in shape and with coupling portions (2, 3) on its two edges. At one side the portion protrudes, while on the other it consists of a recess accommodating the protruding portion on the next component. A passage (4) extends through the component for its full height. The coupling portions can comprise a tongue and a groove.
Patent DE-4009547-A1 (DE)
Title: Gearing for mower with rotary discs - consists of double-sided bevel gear
Inventor: LEPOSA WOLFGANG ING
IPC: A01D34/76
Filed: 1990-03-24
Abstract: The mower has rotary disks driven by vertical shafts in a gear box (2). It has the input gear (5) driven by the tractor formed as a double-sided bevel gear, arranged before the drive shaft (3) of the mower-disk shafts. Its input gear wheels (12,12') are engaged with the input shaft (11) via slip couplings (15,15'), and with opposed direction of drive one gear wheel is connected by force locking and the other is separated. USE/ADVANTAGE - Provides a simpler and easier drive for the mower.
Patent DE-4016441-A1 (DE)
Title: Arrangement for measuring machined structures, e.g. gears and threads - uses measurement head replacing machining tool and processing of position measurement signals
Inventor: HOCK FROMUND PROF DR ING
IPC: G05B19/18
Filed: 1990-05-22
Abstract: The arrangement for performing geometric measurements on structures such as gears and threads uses a measurement head placed in a conventional machining mechanism used to produce the structure instead of the rotary tool. Position measurement signals produced by the head are transferred into the coordinate system of the measurement machine bed and passed to a computer with machine component position signals. the three-dimensional position values are determined under program control, evaluated wrt. the measurement object's surface and output in machine or directly readable form. USE/ADVANTAGE - Can operate significantly faster than conventional measurement machines whilst retaining same software, measurement systems and computer components.
Patent DE-4020020-A1 (DE)
Inventor: GRAAFF WOLFGANG DIPL ING
IPC: B61D3/18
Filed: 1990-06-23
Abstract: The subject of the invention is a rail wagon for transporting passenger vehicles by rail, which rail wagon can be loaded and unloaded via the end sides, the motor vehicles being moved preferably by means of their own drive system. The rail wagon is provided with fixed side walls (4), end walls (5) which can be opened and closed and a roof (6) which is lowered in the operating position on to the side and end walls but is upwardly adjustable parallel with itself out of this operating position. The parts of the panelling which are to be moved for the purpose of opening and closing or loading and unloading are coupled to one another in a movement-dependent manner. <IMAGE>
Patent DE-4022334-A1 (DE)
Inventor: KUSTERMANN MARTIN DR
IPC: D21H23/56
Filed: 1990-07-13
Abstract: A roller which is provided for a coating device and which is provided with a flexible rubber cover which is applied to a metallic, cylindrical or hollow-cylindrical roller core, has a heating device for raising the temperature of the roller core beyond the temperature of the roller cover. <IMAGE>
Patent DE-4026188-A1 (DE)
Title: Non-volatile inorganic additive recovery from plastics - by crushing, combustion and use in ceramic glaze etc.
Inventor: WIRTZ FRANZ-EGON
IPC: C03C1/00
Filed: 1990-08-18
Abstract: Recovery of values from non-volatile inorganic additives (I) in plastics is carried out by crushing the plastics mouldings or waste, combustion and working up the residue if necessary, then using for producing ceramic glazes or compsns.. Pref. combustion is carried out at 1000-1200 deg C. The combustion residue is wet milled, washed, dried and dry milled. USE/ADVANTAGE - The process is claimed for recovering (I) from household articles and accessories, esp. re-usable bottle holders for beverage bottles; and for the recovery and re-use of inorganic ceramic colorants, pigments, fillers and/or catalysts, esp. colorants of the spinel and/or Zr silicate type and partic. Zr-Pm yellow. It allows practically permanent re-use of e.g.inorganic pigments or fillers.
Patent DE-4029656-A1 (DE)
Title: Cutter crown for use with saw blades on wood or stone -  incorporates cutters toothed along back edge kept in place by spring clip
Inventor: BIHLER GERHARD
IPC: B28D1/12
Filed: 1990-09-19
Abstract: The cutter crown is for use with saw blades on wood or stone. Cutters (1) are set in grooves (2) in the main blade (3), and the back of the cutters (1) and the grooves are toothed (4). The cutters (1) at the shaft end are notched (5), and side plates (6), riveted or welded on the left and right of the main blade (3), hold the cutters (1) on both sides. A spring leaf (7) is also welded or riveted on the main blade (3) to keep the cutters (1) pressed into the toothed rack (4). USE/ADVANTAGE - The life of the main blade is prolonged and there is a constant quality of cut.
Patent DE-4033541-A1 (DE)
Title: Linked conveyor belt -  has links with side recess for flexible control lead
Inventor: HENNIG KURT
IPC: B65G17/08
Filed: 1990-10-22
Abstract: A conveyor belt, particularly a movable guard for machine tools or a swarf removal facility, comprises a number of attached links (2) which move relative to each other through a limited angle. The links have at least one recess (3) running along the lengthways direction of the conveyor, through which a flexible holding element is threaded and connected to both ends of the conveyor. ADVANTAGE - Easy assembly enabling easy conveyor length changes.
Patent DE-4035460-A1 (DE)
Title: Large surface, sandwiched sound insulating wall - has extra material layer on side exposed to impingement for narrow band suppression
Inventor: FRYE ANDREAS DR
IPC: H01Q17/00
Filed: 1990-11-08
Abstract: The protective wall (10) consists of a single layer, or a sandwich of soil or building materials. It has an extra, spaced material layer (13) of solid material, or vegetative components (12) on the side exposed to a radar impingement for narrow band reflection suppression according to the interference principle. The spacing (11) of the extra material layer is so rated that it can be penetrated by the vegetative components and optically covered. The extra material layer may consist of a metal grid, possibly construction steel with plastics coating, with a mask between 3-20 cm. It may consist of a nylon knitted fabric. USE/ADVANTAGE - Aircraft protection installations, without causing interference to directional radio paths or safety systems by undesirable reflections.
Patent DE-4036388-A1 (DE)
Title: Locating arrangement for printing cylinder - has lever connectable to cylinder pin and supporting against cylinder
Inventor: REICHENBACH KLAUS
IPC: B41F13/20
Filed: 1990-11-15
Abstract: The cylinder of an offset rotation printing machine has an exchangeable cover (2), and its pins (3,4) are located in the machine side walls (5,6), both pins being fitted in bearings, that for the one pin (4) being removable, leaving an aperture (7) in the machine side wall (6). The other pin (3) is also located in a bearing (8) extending out of the machine side wall (5), and carrying a gearwheel (9). Over the extending pin part is arranged a lever (10) located rotatably on a union bolt fitted in the machine frame and held in a console on the outside of the machine side wall (5). USE - As a locating arrangement for the printing cylinder of an offset-rotation printing machine.
Patent DE-4037639-A1 (DE)
Title: Shaped bodies - uses wet material for grinding into fibres for hydration of bonding agent in a lump-free mixture for moulding
IPC: B28B1/52
Filed: 1990-11-27
Abstract: To produce shaped bodies, from a mixt. of raw fibres and a bonding agent, the raw material is wettened with the required amount of water for the hydration of the bonding agent and then reduced to fibres while wet. The raw fibre material and the bonding agent are pref. ground together which reduces the material to fibres and mixes it with the bonding agent, or they are ground separately to be mixed in a further stage.  The pref. raw fibre material is cuttings of paper and/or cellulose.  The pref. bonding agent, activated by hydration, is plaster or cement.  The raw material and water are mixed in equal volumes to give a lump-free mixt.  of fibres and bonding agent, or excessive water is added. ADVANTAGE - The technique prevents the development of clumps in the mixture which would affect the quality of the shaped body.
Patent DE-4039031-A1 (DE)
Title: Submarine acoustic buoy - has anchorless drag-chain attached to base of housing containing electroacoustic transducer
Inventor: SCHLIETER HEIKO DIPL PHYS
IPC: B63B22/04
Filed: 1990-12-07
Abstract: The acoustic buoy has at least one ring-shaped electroacoustic transducer in a cylindrical housing. At the base (18) of the housing, a chain (19) is fixed which serves as a stabilising weight. The chain may be stored in a releasable cover (20) when the buoy is removed to a different location. An additional weight may be provided at the end of the chain. The electroacoustic transducer is protected, at least in the falling direction of the buoy, by a shock absorber (2) which may comprise elastomer, rubber or silicon material. ADVANTAGE - Ankerless drag chain ensures stable vertical positioning of buoy, independent of water currents, so that it maintains required directional characteristics.
Patent DE-4041992-A1 (DE)
Title: Mfg. fluidic hoisting ram with sealed piston rod - draws cylinder housing to form length divided chamber and welds aligned cover and baseplate
Inventor: FRANZ KLAUS
IPC: B23P15/00
Filed: 1990-12-21
Abstract: A seal is also provided for the ram piston and cylinder chamber. The ram housing (1), after a drawing operation to form a hollow section, is divided with a continuous smooth cylindrical chamber (5) to length section (9). Then the piston (6), together with the piston rod (4), is mounted in the cylindrical chamber. First, a cylinder cover (2) and a base plate (3a) with endfaces (2a; 3b) are inserted aligned in the housing. Welding is then carried out in the matching annular gaps (11, 12) between the housing and the base plate or between the housing and the cover. The welding operation for the cover and the base plate is carried out by a laser. ADVANTAGE - Low-cost mfr.and increased service life.
Patent DE-4042203-A1 (DE)
Title: Ladle sliding plate closure - has ring insert in plate opening secured by a thermally expanding mortar to prevent vertical movement during centering
Inventor: EVERTZ EGON
IPC: B22D41/28
Filed: 1990-12-29
Abstract: The sliding plate as the sliding closure for a metallurgical vessel, such as a ladle or intermediate container for continuous steel casting, has a ring (5) insert of a fireproof material and a high wear resistance, with a groove path (7, 18) at its outer wall extending at least along one part of the ring mantle periphery. The inner wall (19) of the opening in the sliding plate, to take the ring insert, is structured with a groove path (4) in a mirror image of the groove path at the ring, so that both groove paths form a hollow zone to be filled with a thermally expanding fireproof mortar. The opening in the sliding plate (1) to take the ring insert (5) has a larger dia. than the ring, and the gap (20) between the ring (5) and the opening is filled with a thermally expanding fireproof mortar, so that the ring is centered. The groove path runs round the ring (5) using several groove paths (4,7, 17, 18) at an axial gap from each other. With the exception of its groove path (18), the mantle of the ring (5) is cylindrical, to match the cylindrical opening in the sliding plate (1). The fireproof mortar has an additive of 4-6 wt.% of raw (disthene)kyanite. The outer wall of the ring can also be structured with a step, axially between the closing plane of the sliding plate and the groove path, to rest on a shoulder in the wall of the opening in the sliding plate. Two groove paths (17, 18) are pref. with an axial gap between them, and a step (25) and shoulder are between two groove paths (4, 7) with an axial gap between them. ADVANTAGE - The assembly prevents a vertical movement of the ring insert while it is being centred.
Patent DE-4102666-A1 (DE)
Title: Sintered aluminium oxide mouldings - contg. alumina, iron oxide and chromium oxide, useful as pistons or rings in water pumps
Inventor: KIRCHHOEFER HERMANN DR
IPC: F04B53/14
Filed: 1991-01-30
Abstract: Moulding (s) from sintered aluminium oxide comprise 85-97 wt.% Al2O3 and 0-0.5 wt.% iron oxide and chromium oxide,  whose crystalline phase consists essentially of aluminium oxide and contains 0.025-3 wt.% at least are element selected from Ti, Zr and Hf and also SiO2. Pref. (I) contains 0.05-7.5, pref. 0.5-2, esp. 0.1-0.5 wt.% SiO2, 0.05-2 wt.% ZrO2, 0.05-2 wt.% TiO2 and also 0.05-5 wt.% CaO and/or 0.05-1 wt.% MgO and/or up to 1 wt.% K2O and/or up to 1 wt.% Na2O. (I) contain at least 96 wt.% Al2O3, 0.1-1 wt.% MgO and 0.5-1 wt.% TiO2. The crystallite of aluminium oxide has an ave. dia. of 15-25, esp. 17-23, micro-m. (I) contain 0.1-2 pref. 0.1-1 wt.% CuO esp. 0.1-0.45 wt.% chromium oxide and iron oxide or 0.1-0.5 wt.% manganese oxide as colouring oxide. USE/ADVANTAGE - (I) can be used as pistons or rings in water pumps and as water-tight discs (claimed). They have good corrosion properties.
Patent DE-4103141-A1 (DE)
Title: Wall anchor bolt with pivoting bar - is suitable for use at all inclinations in walls inaccessible from one side and can also be subsequently removed
Inventor: DRESSLER PETER
IPC: F16B13/08
Filed: 1991-02-02
Abstract: The removable anchoring bolt, with a pivoting bar (A), is suitable for walls which are inaccessible from one side. It is suitable for assembly at all inclinations. Pref. the bar pivots at one end (D) of a hollow wall bush (B), allowing insertion of the bolt through a relatively small dia.  hole and later removal, by insertion of a tool through the bush to tilt the bar. USE/ADVANTAGE - Anchoring bolt in wall can be subsequently removed.
Patent DE-4104950-A1 (DE)
Inventor: WACK HELMUT
IPC: E02F3/40
Filed: 1991-02-18
Abstract: A bucket (20) for earth-moving machines (10), such as excavators, wheeled loaders or the like, has two side cheeks (21) which are connected to one another via a bucket base which is arranged between the side cheeks. At least sections of the bucket base are formed by a grating (23) which is movably mounted on the bucket (20) and can be set in vibration. In this arrangement, the grating (23) is preferably mounted in such a way as to dampen vibrations and is driven by means of a hydraulic motor (24) which is connected to the hydraulic circuit of the excavator (10) or wheeled loader (10). 
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Patent DE-4106346-A1 (DE)
Title: Speech identification system - uses number of different function blocks each of which is based around processing hardware with memory storage
Inventor: NOLL ANDREAS
IPC: G10L15/10
Filed: 1991-02-28
Abstract: The speech recognition system has a spoken input (9) received by a preprocessing stage (10) having a microphone (12), A/D (14) and a stage (16) identifying characteristic features, such as amplitude and frequency bands. The output (11) is received by a module (40) carries out a series of comparisons (44) using reference values obtained by a programmable microcomputer (20). The results are entered into a memory (46). The accumulated values are transmitted to a word processing unit (32) that has a vocabulary of works provided by a memory (34). Outputs can be transferred to a further stage (50) that uses data in a speech model memory. ADVANTAGE - Cost effective. Suitable for number of applications.
Patent DE-4107118-A1 (DE)
Inventor: SOLDANSKI HEINZ-DIETER
IPC: C11D1/66
Filed: 1991-03-06
Abstract: In this method, fitted carpets are cleaned by spray extraction using an aqueous surfactant solution containing, in addition to synthetic surfactants, 0,005 to 0,2 % by wt. of a water-soluble salt of a fatty acid with 12 to 18 C-atoms, preferably ammonium salts.