baber/WOPTO huggingface dataset:
Patent DE-3915883-A1 (DE)
Title: Automatic tracking system for parabolic aerials - follows satellite using detecting coupled to compass to operate synchronous motor
Inventor: SCHLOEMER MANFRED
IPC: H01Q3/00
Filed: 1989-05-16
Abstract: A parabolic reflector aerial (5) has its position continuously adjusted to track a communications satellite (6) when mounted on a moving object, e.g. boat or ship, the compass (1) has photoelectric detection of any change in position. The detector generates a pulse for each increment of position change. The pulses generated are used to operate a synchronous  drive coupled to the aerial to adjust position in order to track the satellite. ADVANTAGE - Provides automatic tracking of satellite.
Patent DE-3919139-A1 (DE)
Inventor: LANGER GEB LAYHER
IPC: E04H3/12
Filed: 1989-06-12
Abstract: The configuration of the floor element for grandstands or podiums provides floor members (152) with frames (111), wherein, in the outer frame longitudinal walls (120.1, 120.2), a groove (124) is formed on one side and a rib (127) on the other side, which engage one in the other when the floor members (152) lie next to one another. <IMAGE>
Patent DE-3926984-A1 (DE)
Title: Car radio and cassette player - monitors radio stations enabling automatic over riding of cassette player
Inventor: LAUKE VOLKER
IPC: G11B31/00
Filed: 1989-08-16
Abstract: The car radio/assette player includes a display device to indicate operating condition of radio or cassette as required. The selection of the operating condition of the cassette player are sent from circuit/sensors (16,6) resp. to a combination circuit (15) which controls a changeover switch (13) connected to display device (14). Preferably, a next input is provided at the  changeover switch (13), conencted via a gate circuit (18) and a timer circuit (17) to the radio circuit (16). USE/ADVANTAGE - Car radio/cassette players; allows monitoring of radio during playback of cassette.
Patent DE-3930802-A1 (DE)
Title: Adder circuit e.g. for 54321 coded decimal numbers - uses dual full-adder for processing five digit numbers
Inventor: MERKLE PAUL
IPC: G06F7/50
Filed: 1989-09-14
Abstract: The electronic positional addition circuit for binary coded decimal (BCD) digits includes a dual full-adder for a processing fire-digit numbers and consisting of four AND-gates (51) each with two inputs and three OR-gates (52) each with two inputs and NOT-gates (53). The full-adder circuit functions by receiving one of the two addends coded as (51111) at the A-inputs, and the other addend similarly coded as (5111) at the B-input. The five digits places in each of the addends are processed in the full-adder in the normal way, with the adder also rOCQgginq OnQ ii l S  rtil SUm Of , Whn rtr than 4. If the digit place partial sum is less than five, then the gating circuit has a high logic potential (H) and the corresp. OR-gates with the logic high potential (H) are driven by OR-gates. USE - Electronic tetrade addition circuits providing output in 51111 code and processing 54321 coded decimal numbers via additional circuits.
Patent DE-3932797-A1 (DE)
Title: Abrasive means for descaling and deburring workpieces - in rotation drum process, made of chill cast pieces of tetrahedral or pyramid shape
Inventor: THONNEY MICHEL
IPC: B24B31/14
Filed: 1989-09-30
Abstract: Abrasive means (10) for treating metal parts (8) in a rotating drum consist of cast elements (11,13) made from metal. USE/ADVANTAGE - Descaling or deburning castings and parts cut from steel sheeting. Is an effective and economic abrasive means which produces little dust and enables the treatment of relatively large workpieces in a dry rotation process. The abrasive means has a long work life.
Patent DE-3932910-A1 (DE)
Title: Measurer checking dimensions of edge flanges of pressed steel parts - has test gauge holding part with electronic axial distance sensor
Inventor: ALTHOF HANS-PETER
IPC: G01B5/20
Filed: 1989-10-03
Abstract: An arrangement for measuring dimensional correctness of pressed steel part edge flanges has a test gauge (3) which accepts the part (1) with a reference surface (2) at a defined distance from the flange (4). A sensor (16) in contact with the reference surface and the edge flange indicates the actual distance. The electronic axial measurement sensor has a measurement display and/or connecting lines to a data evaluation system.  Its sensing head (7) rests on the surface of the flange remote from the reference surface. The indicated distance includes the plate thickness. USE/ADVANTAGE - Enables rapid measurement at sufficient accuracy.
Patent DE-3933884-A1 (DE)
Title: Conveyor pan for scraper chain conveyor - has conveyor floor between top and bottom stringers, with profiled strips, support arms and welding foot
Inventor: KLYSZ EDWIN
IPC: B65G19/28
Filed: 1989-10-11
Abstract: The conveyor-pan (1) for a scraper chain conveyor has a conveyor-floor (4) between the upper (2) and lower (3) stringers and positioned on the two sides of the pan  between profiled strips (5,6). Each profiled strip (5,6) has an inward-sloping support-arm (9) pointing towards the conveyor-floor (4). The free end of each support-arm (9) forms a welding-foot (10) with welding seams (11) inside the guide-ducts (7). The profiled strips (5,6) have horizontal profiled ridges (12) sticking out to the outside. Plates (15) are welded to the ridges (12) of the bottom profiled strips (5) while the ridges (12) of the top profiled strips (5) are fixed to the plates (15). USE/ADVANTAGE - The conveyor-pan is lighter in weight and lower and can be used for conveyor-floors of different thicknesses with roller bearings which are the same for all four profiled strips.
Patent DE-3936300-A1 (DE)
Title: Photographic material giving stable cyan image - contg. phenyl-ureido-phenol coupler in hydroxy or alkoxy phenyl sulphonyl or sulphonamido phenol oil former
Inventor: LANGEN HANS DR
IPC: G03C7/34
Filed: 1989-11-01
Abstract: Photographic material has red-sensitised Ag halide (AgX) emulsion coat(s) contg. a 2-phenylureidophenol type cyan coupler of formula (I), dissolved in a coupler solvent of formula (II). The novelty is that (II) is a 4-hydroxy- or 4-alkoxyphenylsulphonylphenol (IIA) or a 4-hydroxy-4-alkoxy phenylsulphon amidophenol (IIB). The prepn. of (I)(not claimed) is described in e.g. EP 28-00, EP 67689. EP 175573 and EP 184057; and the prepn. of (II) (not claimed) in e.g. EP 145342 and EP 320776. R1 = a ballast gp., esp. of the formula Ph'-O-CHR5-; Ph' = a phenyl gp. with 1-3 halogen, OH, COOH, (cyclo)alkyl, aryl, aralkyl, alkoxy, aryloxy, alkylsulphamoyl, arylsulphamoyl, alkylsulphonamido, arylsulphonamido, alkylsulphonyl, arylsulphonyl, alkoxycarbonyl or acyloxy substits., in which the alkyl gps. contain 1-20C; R5 = linear or branched 1-20C alkyl; X = H or a gp. eliminated by colour coupling; R2 and R3 = F, Cl, CN, CF3 or -SO2-R4, one of these may = H and pref. at least one = CN; R4 = F, alkyl or alkylamino; R6 = H or alkyl; R7 and R8 = H, halogen, (cyclo)alkyl or alkoxy(carbonyl); R9 and R10 = H, halogen, alkyl, carbamoyl or sulphonamido; n = 0 or 1. USE/ADVANTAGE - Like naphthol-type cyan couplers, (I) give cyan images with an absorption max. at ca. 700 nm and little sec. density but the images from (I) are more stable. The absorption max. of the developed dyestuff is ca. 5-9 nm longer if development is carried out in the presence of (IIB).
Patent DE-3937882-A1 (DE)
Title: Holder for replaceable aluminium containers - has welding plates of frame material fixed on steel holding body
Inventor: DANNER LUTZ
IPC: B65D90/00
Filed: 1989-11-14
Abstract: The holder (3) for the container is square, made of steel and has pref. three free faces with openings for lift devices, with pref. three further faces welded to the container frame. Welding plates (10, 11, 12) pref. made of the same material as the container frame (5) are fixed on the welding faces and can be welded onto the steel body (3). For containers with an aluminium frame the welding plates can be aluminium plates. The welding plates can be made from a known aluminium steel doubled layered material (14, 15). The plates can be welded with their steel layer (14) onto the steel holder (3) with their aluminium layer (15) facing outwards. ADVANTAGE - The holders are comparatively small, stable and simple to construct and can be used in practically any container frame.
Patent DE-3938203-A1 (DE)
Title: Catalyst soln. of polyurethane prodn. - comprises ferric cpd., aromatic carbonyl or alcohol, and opt. imidazole or benzimidazole cpd. in poly:ol
Inventor: BLUM RAINER
IPC: C08G18/22
Filed: 1989-11-17
Abstract: Soln. (I) contains (A) 1-25 wt.% (all pts.wt.) at least one  ferric cpd.; (B) 1-35% at least one aromatic carbonyl cpd. or aromatic alcohol; (C) 0-35% at least one imidazole or benzimidazole; (D) 98-5% at least one polyol. Prepn. of (I) comprises dissolving (A), (B), and opt. (C) in (D) at 30-150 deg.C. USE/ADVANTAGE - Catalyst for one component polyurethane systems. (I) contains high concn. of ferric component, which is nontoxic in (D).
Patent DE-3938723-A1 (DE)
Inventor: GROPPER HANS
IPC: C08F4/02
Filed: 1989-11-23
Abstract: The novel catalyst for the preparation of high-molecular-weight homopolymers or copolymers of ethene is obtainable by 
 
  (1) treating a silicon dioxide-based support with 
  (2) chromium trioxide or a chromium compound which can be converted into chromium dioxide under the conditions of step (3), and then 
  (3) heating the resultant intermediate in an oxygen-containing stream of gas, 
 where the support (1) is a specific silicic acid xerogel obtainable by extracting a maximum of 30% of water from a silicic acid hydrogel by means of alkanols, alkanones or mixtures thereof, and subsequently drying, comminuting and fractionating the product.
Patent DE-3939272-A1 (DE)
Title: Sealing ring for gas ducts - consists of groove on inner duct for insert and sealing surface on outer duct
Inventor: SCHMIDT ERWIN
IPC: F16J9/26
Filed: 1989-11-28
Abstract: The sealing-ring (1) for sealing a gap between two movably interfitting ducts for conveying gas at high temperature is inserted into a groove (4) on the outer periphery of the inner component. The radial outer surface of the sealing ring rests against a sealing surface of the outer component. The sealing ring has an insert (5) which increases attachment to the sealing surface (3). USE/ADVANTAGE - The sealing ring gives a better sealing effect even at high temperatures. For use in gas turbine exhausts.
Patent DE-3943036-A1 (DE)
Inventor: WUERFEL HELMUT DR ING
IPC: C10G47/36
Filed: 1989-12-27
Abstract: In a process for hydrogenating a carbonaceous material, in particular coal and/or heavy oil, by reaction with hydrogen at elevated pressure and temperature in a reactor system, the case-hardened product is pumped under pressure into the upper region of the reactor system, where it passes from top to bottom first through a heating or pre-reaction zone and then through a main reaction zone, while the hydrogen required passes through the reactor system in countercurrent from bottom to top. The hydrated product is withdrawn at the top of the reactor system and the residue at the bottom. Part of the contents of the reactor flowing downward through the reactor system is continuously removed from the main reaction zone and recycled to the heating or pre-reaction zone. The reactor contents are recycled by means of an agitator provided for that purpose. The pressurized material is divided in function of the reference temperature into two partial flows, one of which is introduced into the heating zone and the other into the main reaction zone.
Patent DE-4000839-A1 (DE)
Title: Prepn. of epimer-free sugar alcohol(s) for use as sweeteners
Inventor: DARSOW GERHARD DIPL CHEM DR
IPC: C07C31/26
Filed: 1990-01-13
Abstract: The prepn. of epimer-free sugar alcohols (I) chosen from xylitol, sorbitol (D-glucitol), 4-O-beta-D-galactopyranosyl- D-glucitol and 4-O-alpha-D-gluco -pyranosyl-D-sorbitol comprises continuous catalytic hydrogenation of the corresp. sugar (II), -xylose, alpha-D-glucose, 4-O-beta-D-galactopyranosyl-alpha-Dm.  glucopyranose or 4-O-alpha-D-glucopyranosyl -alpha-D-glucopyranose.  The reaction is carried out in aq. soln. with hydrogen at a H2-pressure of 100-500 bar and 60-125 deg.C in fixed bed process in the reaction zone above a hydrogenation catalyst consisting of carrier-free moulded bodies of pressure resistance above 50N (esp.  100-400N) on the surface and an inner surface of 10-90 m2/g and consisting of one or more elements of the Fe gp. of the periodic table.
Patent DE-4003220-A1 (DE)
Title: Freewheel on rear axle of four-wheel drive vehicle - is designed to freewheel in either direction of rotation
Inventor: STARK JOHANN DIPL ING
IPC: F16D41/10
Filed: 1990-02-03
Abstract: The four-wheel drive motor vehicle has the front wheels driven directly from the gear-box output shaft while the rear wheels are driven through a free wheel. This free-wheel is so designed that it can free-wheel in either direction of rotation. The outer ring (2) is driven from the engine while the inner ring (1) is connected to the cardan shaft which drives the rear axle. The drive is transmitted from outer ring (2) to the inner ring (1) through wedging elements (4) fitted in a cage (3). A ball (11), is pushed in eithe rof the two parts of a U-shaped groove in the end ring (6), by the initial rotation of the outer ring (2). This movement of the ball moves the cage (3) and clamping elements (4) so that the free-wheel can operate in the required direction. USE - Four-wheel drive motor vehicles.
Patent DE-4005986-A1 (DE)
Title: Overload clutch for toque transmission elements - allows for distortion between driving part and driven plate
Inventor: FUJII SHUNJI
IPC: F16D7/08
Filed: 1990-02-26
Abstract: The overload coupling wherein torque transmission elements are held inside hollow sections in one part where they are pressed by a pressure plate against recesses in the other part has inclined sections in the pressure plate in order to press the torque transmission elements in a direction substantially intersecting a rotational axis of the overload clutch. The hollow sections for holding the torque transmission elements are V-shaped, seen axially and the recesses for holding the torque transmission elements are designed as grooves with a V-shaped cross section. The driven plate is mounted between the hub and pressure plate with suitable play aras. In the event of  overload the torque transmission elements can leave the V-shaped recesses by overcoming the compression applied by the inclined section and can run onto the flat sections of the driven palte so that the driving part can free-wheel. ADVANTAGE - No rattling or shaking.
Patent DE-4006564-A1 (DE)
Title: New use of phosphoric acid ester derivs. - in treatment of skin disorders, esp. neurodermatitis, psoriasis, kaposis sarcoma, acne, eczema and allergies
Inventor: REUTTER WERNER PROF DR
IPC: A61K31/66
Filed: 1990-03-02
Abstract: The use of phosphoric acid ester derivs. of formula (I) in the treatment of skin diseases is claimed. R2-Z-CH2-CH(R1)-CH2-OP(=X)(X-)-X-R3 (I). R1 = H. R2 = 6-30C alkyl or alkylcarbonyl. X = O, S or NH. Z = O, S, NH or CH2. R3 = cyclohexyl, inosityl or R4-NR5R6. R4 = 1-12C alkylene opt. contg. a CO gp. R5, R6 = H or 1-4C alkyl. USE/ADVANTAGE - (I) are useful in the treatment of psoriasis, Kaposi's sarcoma, neurodermatitis, acne, eczema, allergies and other skin problems. Administration is topical using solns., sprays, creams, aerosols, lotions, etc. The concn. of active agent in a formulation is 0.01-5 (0.1-1.0) wt.%.
Patent DE-4011231-A1 (DE)
Title: Semiconductor diode testing circuit - measures data in changeover period from conductor to blocking state
Inventor: ANNACKER RALPH
IPC: G01R31/26
Filed: 1990-04-06
Abstract: The circuit contains a stage for generating a current of defined magnitude which is fed to the diode under test and passes through it in the forward direction. After the current has been flowing for a defined period, a blocking voltage is applied to the diode and the desired diode data are measured during the period of changeover from the  conducting to the blocked state. USE/ADVANTAGE - Enables semiconducting diodes to be tested using large currents applied for short time to avoid thermal overload.
Patent DE-4012110-A1 (DE)
Title: Component on vehicle dashboard - is attached to instrument panel using protuberances
Inventor: STAHL HEINZ DIPL PHYS
IPC: F16F1/376
Filed: 1990-04-14
Abstract: The component for attaching to another component has a number of protuberances on it made of soft elastic material. All the protuberances are the same height- of around 2 millimetres. The protuberances are in the form of knobs or ridges and for part of a skin. The component forms part of an instrument panel on a vehicle. USE/ADVANTAGE - Noise produced by the contact area between two components in motor vehicle dashboard exposed to vibration is reduced.
Patent DE-4012482-A1 (DE)
Title: Method for flat storage of forage - comprises material by tractor-mounted conveyor and forming device against solid back wall
Inventor: EGGENMUELLER ALFRED DR ING
IPC: A01D87/00
Filed: 1990-04-19
Abstract: The conveyor and forming device (12) move on in the direction of the mat (17) being formed, in accordance with the amount of material and/or the pressure created against a solid back wall. The material in the conveyor is partially comminuted, crushed and compressed by the tines (7) through the grooves (10) before it is compressed into the mat in the forming device. The plastics sheet (21) is laid over the mat as it is being formed. USE/ADVANTAGE - A method of storing forage where the material is compressed by a tractor-mounted conveyor and forming device. Ensures much greater compression of the material without greater power requirement.
Patent DE-4013246-A1 (DE)
Title: Ascertaining bulk specific gravity - taking sample from each working cycle, separating over and under size grain and letting fall into container scales for wt. per unit vol.
IPC: G01N1/20
Filed: 1990-04-26
Abstract: In repeated cycles of working stages a sample amt. of fluent material is taken from the stream (3) to provide a classified corn fraction by fulling between predetermined corn boundaries. An amt is volumetrically measured out from this classfied function (10). It wt. is ascertained. The density is calculated from the relation of vol. and wt. of the sample. A sample pick-up (1) is provides as well as a sample separator (2). A sample classifier (6) is provided in the form of a sieve.  Over and under sized corn are separated out. A container (14) scale (12) measures the vol. of the sample and the wt. of this vol. USE/ADVANTAGE - Ascertaining quality characteristics, e.g. to control physical state of bulk material such as mositure content, calcination grade etc. Automatic working. Prodn. processes such as burning of cement clinkers or mfr. of expanded clay or roasting of ores contg. sulphate.
Patent DE-4014074-A1 (DE)
Title: Stacking aid for crates on pallets
Inventor: KORTE KLAUS
IPC: B65D71/00
Filed: 1990-05-02
Abstract: The stacking-aid is for pref. plastics crates (3) being conveyed along pref. wooden pallets (1). It consists of a plate (7) which has protuberances (8, 9) on and is placed onto top of the pallet (1) the top surface of which has recesses or gaps.  The surface facing away from the pallet (1) has protuberances (9) or recesses or holes in arranged and sized so that they interfit with protuberances (6) or recesses on the bottom of the crates (3) or rest alongside the sides of the crates.
Patent DE-4022286-A1 (DE)
Title: High efficiency coating on ski tread - is divided into two separate parts where front uses harder transparent polyethylene and rear uses softer but black polyethylene
IPC: A63C5/056
Filed: 1990-07-12
Abstract: The tread of skis is divided into the parts with different coatings of polyethylene with different properties; where lower pressure is applied the polyethlene has a higher hardness and is preferably transparent, but where it is subject to higher pressure the polyethylene is less hard and preferably filled with carbon and/or graphite. ADVANTAGE - The skis concerned have optimal low friction in use. They require the simplest possible abrading operation in their production.
Patent DE-4024304-A1 (DE)
Title: Rectangular portable tool box - is in two halves hinged together and with handle accessible irrespective of position of two halves
Inventor: WEBER ALFRED
IPC: B25H3/02
Filed: 1990-07-31
Abstract: The rectangular portable tool box consists of two halves of the box hinged together in such a way that a grip handle (8), the full width of the box, remains accessible whether the box is open or closed. One half of the box comprises a base (1), a top (4), two sides (3) and a back (2). This is joined to the other half by a lever system of hinges (9). The other half (5) consists of a base (6) which forms a continuation of the top of the first half when closed, and two sides (7) which complete the two sides (3) when closed. - The two halves swing through one hundred and eighty degrees from closed to open positions.
Patent DE-4024634-A1 (DE)
Title: Welding machine for plastic profiles - has both sliding carriages supporting profiles moving perpendicular to joint line plane and moving around half joint thickness
Inventor: BERGLER OTTO
IPC: B29C65/20
Filed: 1990-08-03
Abstract: Welding machine for door and window frames gives higher strengths along the weld lines. Appts. comprises a clamping unit with carriages which slide towards each other prior to each welding operation. Both carriages move perpendicularly to the plane of the joint line and both of the frame tails to be joined move through half the thickness of the joint. Both carriages are mounted on guides on a rolling  carriage. Guides are perpendicular to the joint line and the sliding carriages are operated by a pressure cylinder against the force of a spring. USE/ADVANTAGE - Machinery is used to weld door and window frames and the invention ensures that no shear loading is applied to the joint line during welding thereby allowing mult-head machines to produce similar joint strengths to single head machines.
Patent DE-4026000-A1 (DE)
Title: Acoustic surface wave component with piezoelectric substrate - has input converter assemblies with several pairs of input wave converters behind each other, orthogonal to propagation direction
Inventor: NIITSUMA TERUO
IPC: H03H9/42
Filed: 1990-08-16
Abstract: The wave velocity shows a velocity dispersion in the substrate. At the left and right end section of the substrate is a pair of input converters, while an output control electrode is formed between the input converters. The latter are formed by a number of converter pairs, arranged behind each other in a direction orthogonal to the propagation direction of the acoustic surface waves. - Each input converter pair consists of interdigitated electrodes (5a,a',b,b',c,c') with uniform spacing. The electrode spacing of different pairs is different, and the converter pairs are coupled in parallel. The spacing between different converter pairs is variable.
Patent DE-4027749-A1 (DE)
Title: Discharge device for powdered medium - has air pump with compressed air stream picking up and ejecting powder
Inventor: WOLTER MICHAEL
IPC: A61M11/00
Filed: 1990-09-01
Abstract: The discharge device for batches of a medium discharged with a gas flow is structurally combined with a hand-operated compressed gas device (9) to produce the gas flow. - The compressed gas device preferably has a pump (9) with a manually variable pump chamber (10), more particularly in the form of a push-button pump directly and axially adjoining the medium store (4) and provided with a pump piston (13) wherein the pump chamber (10) is preferably as wide as the medium store (4) and/or the remaining discharge mechanism (1).