baber/WOPTO huggingface dataset:
Patent DE-3841329-A1 (DE)
Title: Vane vacuum pump
Inventor: HERTELL SIEGFRIED DIPL ING
IPC: F04C18/344
Filed: 1988-12-08
Abstract: The operation of servo drives in motor vehicles involves the use of oil-lubricated vane vacuum pumps. In order to reduce oil consumption and to improve performance, the rotor (5) is supported on one side and, from the direction of free end, is provided with an internal bore (21). As a result, a vacuum is produced in the internal bore (21), which is at approximately the same level as in the intake space (suction chamber). <IMAGE>
Patent DE-3842394-A1 (DE)
Title: Multilayer fluorescence device
Inventor: KNIFFLER NORBERT DIPL PHYS DR
IPC: H01L33/00
Filed: 1988-12-16
Abstract: Multilayer fluorescence device for generating actively luminescing colour pixels composed of three fluorescent diodes mounted one above the other.
Patent DE-3843602-A1 (DE)
Inventor: LEUTHOLD KARL DIPL PHYS
IPC: G07C3/00
Filed: 1988-12-23
Abstract: The invention relates to a method and apparatus for monitoring the destruction of thin sheet material, in particular bank notes, in an automatic sorting machine, whereby the sheet material is fed by a transport means successively sheet by sheet to a motor-driven cutting means having meshing cutter boards. The destruction process and/or its immediate result are detected by sensor means.
Patent DE-3913677-A1 (DE)
Title: Pallet for rolls of carpet, etc. - has sockets in pallet ends for better hold of rolls, and two rectangular support plates which are connected by two tubes
Inventor: LORENZ THOMAS
IPC: B65D19/44
Filed: 1989-04-26
Abstract: The pallet for moving rolls of material such as carpet comprises two rectangular support plates (6,7) which are connected together at a distance from each other by two connecting tubes (8,9). Each support plate (6,7) has two socket holders (10,11) for the end discs (3,4) of the roll (2). The connecting tubes (8,9) are pref. square tubes and open outwards vertically in the centre in the support plates. USE - The pallet can be handled by a forked lift truck to allow easy movement and stacking of carpet rolls etc.
Patent DE-3915178-A1 (DE)
Title: Radar signal processing with improved centre position location - using cellular detection region and summation of vector-pulse height products
Inventor: MUELLER THOMAS DR
IPC: G01S7/292
Filed: 1989-05-10
Abstract: The radar system monitoring region is divided into cells using distance and azimuth angle steps. Following detection of the start of a flat target causing echos in a number of cells, further echos are tested for correspondence and associated with it as appropriate. After the target end is detected the position vector Z of the  target centre is determined from the summation of (Zi X ei) divided by the summation of ei for all echo signals with position vector Zi and pulse height ei for the same cell summed over all cells associated with the same target. USE/ADVANTAGE - Achieves improved flat target centre position determination.
Patent DE-3916873-A1 (DE)
Title: Process for the preparation of cellular plastics by the polyisocyanate polyaddition process, and a catalyst combination therefor
Inventor: MARX MATTHIAS DR
IPC: C08G18/80
Filed: 1989-05-24
Abstract: The invention relates to a process for the preparation of cellular plastics containing urethane, isocyanurate and/or urea groups by the polyisocyanate polyaddition process by reacting organic polyisocyanates with at least one at least difunctional compound which is reactive with NCO groups, preferably polyols and/or polyamines, using carbon dioxide dissolved or dispersed under pressure as blowing agent, in the presence of a catalyst combination which expediently comprises   i) from 50 to 99% by weight of at least one alkali and/or alkaline earth metal salt and ii) from 1 to 50% by weight of at least one organic heavy-metal compound, where the percentages by weight are based on the total weight of the catalyst combination, and to the catalyst combination.i
Patent DE-3918586-A1 (DE)
Title: Stool for outdoor use - where cloth stretched across seat and rear is densely woven non-elastic clot of glass fibres embedded in plastic material e.g. taraflex
Inventor: THEEMANN HANS JOACHIM
IPC: A47C5/06
Filed: 1989-06-07
Abstract: A stool for use outdoors has a frame for the rear and a frame (7) for the seat. Both frames are used to fix a densely woven non-elastic cloth (6) of glass fibres, embedded in plastic material such as TARAFLEX (RTM). The frame (7) has a groove (8) for connecting the cloth in a lining of soft PVC. The channel (9) is made of aluminium and carries an outside lining (10) of rigid PVC. ADVANTAGE - Such a cloth for seat and rear remains taut even after prolonged use outdoors.
Patent DE-3923806-A1 (DE)
Title: Moving part inside vibrating conveyor duct - consists of section covering duct bottom and fixed by bent spring
Inventor: RIEDINGER FRANZ
IPC: B65G27/04
Filed: 1989-07-19
Abstract: The appliance (40) for preventing the build-up of mateiral in a conveyor-duct (42) in a  vibrating conveyor (30), esp. on the straw-cutter of a combine harvester, consists of a moving strip (46). One end of the moving strip is elastically fixed to the vibrating conveyor (30)  and moves longitudinally inside the conveyor-duct (42). The moving strip covering all or almost all of the bottom of the vibrating conveyor (30) touches it by a sprung piece (48) such as a bent plate spring. USE/ADVANTAGE - The moving part in the conveyor duct makes no discernible noise.
Patent DE-3926695-A1 (DE)
Title: Watercourse screen-cleaning mechanism - has tool drive below water level in channel
Inventor: MUHR ERHARD JOSEF
IPC: E02B8/02
Filed: 1989-08-12
Abstract: The cleaning mechanism is for a screen in a watercourse. It has a cleaning tool (33) with a drive mechanism (21) acting on it via an adjusting member (30) and an arm (23) swinging it between the engaged position with the screen (9) and the free one clear of it. The drive mechanism, together with the member on which the tool is mounted and the arm, is below the water level (19).The mechanism can be upstream of the screen. USE/ADVANTAGE - Compact and unobtrusive construction.
Patent DE-3929808-A1 (DE)
Title: Automatic earthing device for electrostatic spray coating appts. - uses pressurised air to hold spring-biased piston away from earthing contact
Inventor: RUTZ GUIDO
IPC: B05B5/10
Filed: 1989-09-07
Abstract: The earthing device (2) has an electrically insulating cylinder (24) containing an axially sliding piston (16) which is spring biased against an earthing contact (26), in electrical contact with the different parts (6, 8, 10) of the spray coating appts. (4). The cylinder (24) is coupled to a pressurised air source, with the pressurised air acting on the opposite side of the piston (16), to lift it from the earthing contact (26), with the HV only switched in when the piston (16) is in this position. Pref. the cylinder (24) is provided by one leg of a table which supports the electrostatic spray appts. (4), with automatic earthing of the latter, upon failure of the pressurised air supply. ADVANTAGE - Ensures safe operation with HV voltages of up to 140,000V.
Patent DE-3942704-A1 (DE)
Title: Continuous casting mouldor fluids with high level of solids - has ceramic shaping wall with coolant channels formed by sepd. lands fitting in parallel grooves on support plate
Inventor: BIEDERMANN HANS-JOACHIM
IPC: F28F21/04
Filed: 1989-12-20
Abstract: The die for a continuous casting assembly, particularly for steel, has a non-metallic wall (2) to give the cast shape and act as a heat exchanger. The pref. material for the wall (2) is a ceramic, with built-in channels (4) for a coolant medium. The pref. material for the wall (2) is a silicised silicon carbide, and it can be reinforced by introduced fibres. The coolant medium is carried in closed channels (4) within the wall (2) structure, open on the outer side (9) away from the interior (8) of the moulding zone, separated from each other by lands (3).  The outer side (9) of the wall (2) is bonded to a support plate (1) by an adhesive or soldering. The support plate (1) is of metal and is structured with parallel grooves (5) to complement the lands (3) on the wall (2) with a groove (5) depth (t) which is less than the height of the lands (3). The wall (2) is divided into a number of wall segments, each with at least one coolant channel (4). A narrow gap is between neighbouring wall segments, from the moulding zone (8) outwards, according to the coefficient of expansion of the wall material, with a depth matching the wall (2) thickness. ADVANTAGE - The design gives a long-life die, which retains its shape and, at the same time, gives improved quality to the continuously-cast steel material.
Patent DE-4000048-A1 (DE)
Title: New poly:aromatic polymers with different substits. are prepd. - by reacting aromatic di:halo cpds. with zinc, manganese, or magnesium in presence of nickel cpd. and tri:aryl-phosphine as catalyst
Inventor: HIMMLER THOMAS DIPL CHEM DR
IPC: C08G61/10
Filed: 1990-01-03
Abstract: Polyaromatics (I) are prepd. by reacting (A) aromatic dihalo cpds. (halo = Cl, Br or I), opt. substd. except by acid substits. and nitro gps., with (B) metallic Zn, Mn, or Mg at 0-250 deg.C. in presence of (C) catalyst system comprising (C1) 0.1-25 mol.%, on (A), salt, complex salt, or complex of Ni, (C2) 2-100 mol. triaryl phosphine per mol. Ni in (C1), and opt. (C3) 0.1-10 mol. alkali, alkaline earth, Zn, Mg, or Mn halide, phosphate, or sulphate (as promoter) per mol. Ni in (C1). Opt., anhydrous aprotic solvent is also present. USE/ADVANTAGE - High-temp.-stable fibres, films and coatings, modifiers for plastics, liq. crystal materials, precursors for other polymers. Compared with polyarylenes having only one type of substit., (I) have processing advantages, e.g., better solubility or lower softening point.
Patent DE-4001120-A1 (DE)
Inventor: SCHRAMEK EDMUND DIPL ING
IPC: B65H7/20
Filed: 1990-01-17
Abstract: A system for controlling sheet feed in a sheet-processing machine having a feed table with front stops thereon includes a scanning device in the vicinity of the front stops for detecting an arrival of a sheet thereat. An angle sensor is attached to a shaft of the sheet-processing machine. A computing/control device has a device for assigning scanning signals from the scanning means to respective angular positions  phi actual with stored setpoint values  phi setpoint, for computing positioning data for correcting a subsequent arrival of a sheet, if there is a deviation  DELTA  phi  between angular positions  phi actual and the stored setpoint values  phi setpoint, and for transmitting the positioning data to an actuating device.
Patent DE-4003367-A1 (DE)
Title: Sliding valve for milking machine - connects machine to milk delivery pipe
Inventor: HAPPEL FRITZ
IPC: A01J5/04
Filed: 1990-02-05
Abstract: The milking machine is designed to connect the cows udder to the milk pipe (1). The flexible pipe (10) from the cow is connected to a sliding plate (6) which slides in vertical guides formed in a bracket (2) fastened to the pipe (1). The milk pipe (1) has a short connecting pipe (4) which is sealed when not in use by a sealing ring which is pressed against the surface of the slider (6). By moving the slider (6) upwards the flexible pipe (10) is aligned with the connecting pipe (4) so that milk can flow into the pipe (1). At the same time the compressed air pipe (16) and vacuum pipe (15) are also connected. USE - Milking machines.
Patent DE-4010602-A1 (DE)
Title: Residual gas re-use in ammonia synthesis plant
Inventor: BEHRENDS HOLGER
IPC: C01B3/36
Filed: 1990-04-02
Abstract: Process is for the use of residual gases from the noble gas unit of an ammonia plant, in which hydrogen is produced by steam reforming a hydrocarbon contg. feedstock, the synthesis gas contains inert gases, sp. noble gases and methane, on entry into the synthesis circuit, the ammonia prod. is sepd. by partial condensation from the synthesis circuit gas, the circuit expansion gas is further processed in a subsequent hydrogen recovery unit and/or noble gas unit and one or more gas streams, at a higher pressure than that required in the reforming stage, are returned as feedstock to the reforming stage. The process involves (a) feeding the noble gas unit residual gas, which comprises components such as H2, N2, Ar and CH4 and which has a pressure below that of the reforming stage, to an ejector; (b) compressing the gas to the reforming stage pressure by means of one or more gas streams at higher pressure than the reforming stage pressure; and (c) introducing the resulting mixt. into the synthesis gas prodn. section upstream of the reforming stage.
Patent DE-4012839-A1 (DE)
Title: Test arrangement for electrical or electronic test objects - has contact needles connected to semiconducting plate via conducting blocks for close contact positioning
Inventor: ARNAUDOV KONSTANTIN DR ING DR
IPC: G01R31/28
Filed: 1990-04-23
Abstract: A test arrangement for electrical or electronic test objects has a number of test points arranged opposite the test points on the test object for the transfer of test signals. The arrangement contains at least one semiconductor semiconducting plate (10) carrying at least some test points (9). At least some contact points can be the free ends of metal contact needles which are connected  electrically to the test circuit by conducting blocks mounted on the semiconducting plate. USE/ADVANTAGE - For testing circuit boards, chips, multi-chip systems, etc. Arrangement achieves partic.  small test point centre separations.
Patent DE-4015605-A1 (DE)
Title: Production of particles smaller than 1 micro-metre - involves use of high velocity jets directed through suspension
Inventor: NIED ROLAND DR ING
IPC: B02C19/18
Filed: 1990-05-15
Abstract: The method is for producing very small particles which are smaller than 1 micro-metre. Small particles, which are larger than 1 micro-metre are suspended in a liq. (2) contained in a housing. Nozzles (3) and (4) at each end of the housing direct high velocity jets of gas towards the middle of the housing (1). These jets entrain droplets of the liq. which contain some particles. The jets and their entrained droplets collide in the middle of the housing causing the particles to be broken into smaller particles of the required size. USE - Prodn. of small particles.
Patent DE-4021167-A1 (DE)
Title: Doppler microwave device for speed-distance measurement - has interdigitated counter-terminating dual antenna to save space
Inventor: LISSEL ERNST DIPL ING
IPC: G01S13/60
Filed: 1990-07-03
Abstract: Both antennae of a Janus autenna on a vehicle are arranged in one another as print or patch antennas on a common region (9) of a carrier. Two microwave modules are layed out to produce different in-feeds to the antennas. The in-feeds may have different frequencies, for the antenna bandwidths. The modules may have devices (21, 23) for time multiplex operation. Both antennae may have the active regions boxed in by the other. Both antennae may include the same active region with symmetrically coupled devices such as oscillators (49, 50) and mixers (53, 54) one device of one antenna acting as termination for the other. ADVANTAGE - Dual antenna occupies space of single antenna.
Patent DE-4022832-A1 (DE)
Title: Template to apply facer bricks to walls - is made of plywood, metal or plastics with foam backed slots to hold the facers so that complete load is applied to wall in one operation
Inventor: LORENZ PAUL-ERWIN
IPC: E04F21/18
Filed: 1990-07-18
Abstract: A device to apply facer bricks on to walls uses a holding template of waterproof plywood, light metal or plastics which has a set number of slots to position the bricks according to the bond pattern desired. The slots are pref. lined with e.g., foamed rubber coated with silicone rubber to prevent adhesion. ADVANTAGE - The device makes it possible to lay in position a large number of the facing bricks in the correct pattern with precise intermediate gaps. An area of about 0.3 m2 can be faced in a single operation. The device can be light enough to be handled by one man.
Patent DE-4022990-A1 (DE)
Title: Machine for grubbing up sugar beet - has plough shares and conveyor leading to bin with tipping base
Inventor: DIETRICH MARTIN
IPC: A01D33/10
Filed: 1990-07-19
Abstract: The machine is for grubbing up root crops scuh as sugar beet. It includes plough shares and a cleansing station together with a conveyor to transport the beet into a mobile bin. The base (70) of the bin (30) can be raised or lowered (68) to adjust the distance between it (70) and the conveyor (24), and it is also constructed to tip forwards or backwards. USE/ADVANTAGE - The grubbed up beet does not necessarily lead to an increase in the weight of the tractor. The system also ensures that the beets do not fall too far when slanting to load the empty bin in the trailer.
Patent DE-4025502-A1 (DE)
Title: Conversion fitment for chair beds - has special binders with levers allowing same seat height as bed height
Inventor: KRELL ANDREAS
IPC: A47C17/207
Filed: 1990-08-11
Abstract: The convertible chair bed has a pull out frame member containing a foot part which is drawn out by means of small runners. The seat or bed height which is to be achieved is created by a fitment which consists of two specially designed binders (4,5) which are fixed beneath the foot part each by two lever arms (6,7) which are attached to the lower binder (5) at two fixed points (8,9) of articulation and to the upper binder (4) in two locally variable turning points (10,11). The upper binder (4) is pref. U-shaped with two arms (12,13) which serve as lever arms and are connected to the lever arms by locally variable turning points (10,11). USE/ADVANTAGE - Convertible chair bed. The installation height of the fitment is low for better comfort.
Patent DE-4026518-A1 (DE)
Title: Car body with vortex-generating edges - has by=pass channel with air collector and outlet
Inventor: BRENNENSTUHL ULRICH DR
IPC: B62D35/00
Filed: 1990-08-22
Abstract: The vehicle body has rear edges, which generate eddy currents during travel. An air channel (11') within the body bypasses the edge (13). The channel has an air collection device (11) on the intake side. The air outlet is formed by slot (14), extending parallel to the edge, and opening into the tracking flow. In a carbody, the collection device is located on the C-column (10).
Patent DE-4034295-A1 (DE)
Title: New beta-pyrimidinyl- and triazinyl-oxy(thio)-cycloalkanol derivs. - selective herbicides, plant growth regulators and fungicides
Inventor: TARARA GERHARD DR
IPC: C07D251/30
Filed: 1990-10-25
Abstract: (A) Substd. beta-pyrimidinyloxy(thio) and beta-triazinyloxy(thio)cycloalkanol derivs. of formula (I) and their alkali metal salts, alkaline earth metal salts, ammonium salts or organic susbtd. ammonium salts and their optically active isomers are new. R1 = H, 1-4C alkyl, 1-4C alkoxyalkyl, benzyl (opt. susbtd. by 1-4C alkyl, halo(1-4C)alkyl, 1-4C alkoxy, halogen or NO2) or COR2, CO2R2 or SO2R2. R2 = 1-18C alkyl, halo (1-4C) alkyl, Ph or benzyl (these last 2 opt. substd. by 1-4C alkyl, halo (1-4C)alkyl, 1-4C alkoxy, halogen or NO2); R3 H, 1-10C alkyl, 2-10C alkenyl or 2-10C (these 3 opt. mono- or poly- substd. by opt. different 1-4C alkoxy, 1-4C alkylthio, amino, 1-4C alkylamino, di(1-4C)alkylamino, NO2, halogen or Ph gps), 3-8C cycloalkyl or 4-8C cycloalkenyl (these 2 opt. mono- or poly substd. by opt. different 1-4C alkyl, 1-4C alkoxy, 1-4C alkylthio, amino, 1-4C alkyl amino, di(1-4C)alkylamino, NO2, CF3, halogen or Ph gps.). or Ph; R5 and R6 - 1-4C alkyl, halo(1-4C) alkyl, 1-4C alkoxy, halo (1-4C) alkoxy, 1-4C alkoxy (1-4C)-alkyl, 1-4C alkylthio, 1-4C alkylamino, di(1-4C)-alkylamino or halogen; A = -(CR7R8)-; B = -(CR9R10)b-; D = -(CR11R12)d; E = -(CR13R14)e; F = -(CR15R16)f; G = -(CR17R18)g; R7-R18 = as described for R3 and R4; b, d, e, f and g = 0 or 1; X = O or S; Y = -CH= or -N=. (B) Intermediates of formula (II) are also new. Z = OV, where V = a suitable protecting gp. such as tert. butyldimethyl silyl or triphenylmethyl (IIa) or Z = a suitable leaving gp. such as halogen, alkylsulphonyloxy, haloalkylsulphonyloxy or phenylsulphonyloxy. USE/ADVANTAGE - (I) are selective herbicides effective against broad leaved weeds and grasses in various crops such as rape, soybeans, cotton, wheat, fruit trees, tea plants, etc. Suitable amts. for use are 0.001-5 kg/ha. (I) are also defoliants and desiccants and plant growth regulators. Some (I) are fungicides, (IIa) and (IIb) are intermediates in the prepn. of (I).
Patent DE-4034327-A1 (DE)
Title: Printer for continuous fan fold computer print=out paper - provides double sided printing using print heads moved on respective carriages
Inventor: BOEHM HERBERT
IPC: B41J15/04
Filed: 1990-10-29
Abstract: Continuously fed computer print-out paper is incremented through a printer by sprocket wheels that engage holes along both edges of the paper to form a tractor feed system. The paper then passes over rollers and between print heads located on opposite sides of the paper. Each print head is mounted on a carriage that can be moved by a separate drive to print lines of information on both sides. Data are stored in page buffers that allow alternate pages to be printed at the same time. ADVANTAGE - Almost double speed with paper use reduced by half. Reduced storage space.
Patent DE-4034541-A1 (DE)
Title: Low-friction nitrile rubber-PVC polyblend - contains paraffinic plasticiser oil as lubricant, used for prodn of mountings for sliding glass doors, etc.
Inventor: NAKATA RIKIZOU
IPC: C08L21/00
Filed: 1990-10-30
Abstract: Nitrile rubber/PVC polyblend (I) contains a lubricant (II) and is used as a material for mouldings with a glass sliding part, e.g. mountings for glass door panels; the novelty is that (II) is either a paraffinic plasticiser oil (III) or a combination of (III) with one or more other lubricants. USE/ADVANTAGE - Provides a NBR/PVC polyblend used for the prodn.  of low-friction mountings for sliding glass doors or doors with sliding windows. Incorporation of (III) gives a considerable reduction in sliding friction without blooming of the  lubricant.
Patent DE-4035227-A1 (DE)
Inventor: CLASBRUMMEL BERNHARD
IPC: A61B17/60
Filed: 1990-11-06
Abstract: An apparatus (110) for the retention of body parts with injured ligaments and/or injured bones (119, 120) has at least one drive mechanism (122) for the stimulating, rhythmic to-and-fro movement of the retained body parts in the injured area (121) at a specific stimulation amplitude and a specific stimulation force. In order to shorten the healing time, it is proposed to control the stimulation amplitude and the stimulation force during a healing procedure by means of a control circuit (123) as a function of the strength developing in the injured ligaments and/or bones (119,120). <IMAGE>
Patent DE-4036162-A1 (DE)
Title: Rapidly-heated glow plug for diesel engine - has two pins of different specific heat partly replacing ceramic powder filling within composite resistance winding
Inventor: WESSEL WOLF ING GRAD
IPC: F23Q7/00
Filed: 1990-11-14
Abstract: The resistance winding (5) embedded in MgO powder (7) of high thermal but low electrical conductivity comprises a heater winding (8) of constant resistance and a temp. control winding (9) in series with it. Part of the powder filling (7) within both windings (8,9) is replaced by pins (12,13) of selected alloys. The heater winding pin (12) of e.g. Fe-Cr-Al alloy has lower specific heat, and the control winding pin (13) of e.g. K2O metal has higher specific heat. ADVANTAGE - Region around heater winding is warmed up quickly by heavier current with less heat conduction to insulating powder.