baber/WOPTO huggingface dataset:
Patent DE-3702937-A1 (DE)
Title: Method for polishing and polishing device
Inventor: LUECK WILFRIED
IPC: B24B23/00
Filed: 1987-01-31
Abstract: A method for polishing bases of sharp-edged mould chambers in dies, in particular injection-moulding dies of steel, according to which a polishing medium is reciprocated on a path. The technical problem is to provide a polishing method which permits clean and uniform working even of sharp corners and edges in mould recesses. The path is generated by superimposing a reciprocating linear movement and a reciprocating transverse movement. The transverse movement is flexibly guided. This results in an elliptical path which is deformed in the direction of the longitudinal axis at the ends into points. A higher-frequency oscillating movement is superimposed perpendicularly to the linear movement. <IMAGE>
Patent DE-3703508-A1 (DE)
Title: LC oscillator
Inventor: KOHN DIETMAR DR
IPC: H03B5/12
Filed: 1987-02-05
Abstract: An LC oscillator with a capacitance and an inductance which form a resonant circuit, and with an amplifier with feedback is described. According to the invention, the resonant LC circuit is coupled to the gate terminal of a field-effect transistor which is connected to a further field-effect transistor in a cascode circuit, the output terminal of which is coupled to the gate terminal of a field-effect transistor of a second cascode circuit, the output terminal of which is fed back to the resonant LC circuit.
Patent DE-3703781-A1 (DE)
Title: Direction-finding device
Inventor: MORI KENZO
IPC: G01S3/14
Filed: 1987-02-07
Abstract: A very small direction-finding apparatus is specified which has two directional antennas (1, 2), two modulators (5, 6) which are connected to the antennas, a summing network (9) to which the output signals from the modulators are supplied, an amplifier (10) for amplifying the sum signal supplied by the summing network, a demodulator (11) and an arithmetic processing unit (13). This arithmetic processing unit (13) supplies two rectangular waveform waves to the modulators (5, 6). These two rectangular waveform waves have different duty ratios that are at the same low frequency. The demodulator (11) demodulates the signal components of this low frequency. The processing unit (13) sets the duty ratio in order to bring the amplitude of the output signal received at the demodulator to a minimum. <IMAGE>
Patent DE-3706253-A1 (DE)
Title: Circuit arrangement for telecommunications systems, in particular telephone switching systems, with DC voltage feed of switching devices via connection lines
Inventor: WAGNER GERMAN
IPC: H04M19/00
Filed: 1987-02-26
Abstract: Power supply for a DC voltage feed device from a power supply unit or, as a back-up, via the subscriber connection line. In back-up mode, the DC voltage feed device reverses the polarity of the DC feed voltage which it supplies in order to limit the DC voltage feed in this mode to a lower number of supplied switching devices. The signal for this is obtained by a comparator from a drop in the supply voltage which is fed to the DC voltage feed device and which is lower when power is supplied via the subscriber connection line than when it is supplied by the power supply unit. <IMAGE>
Patent DE-3717772-A1 (DE)
Title: Brewed-beverage pot, in particular coffee pot of an electric coffee machine
Inventor: LEUSCHNER UDO
IPC: A47G19/12
Filed: 1987-05-26
Abstract: It is proposed to connect a hook attachment, engaging over the edge of the jug into its interior, of a handle adhesively bonded to the jug, to the rest of the handle via a sliding connection. The locking can be effected by a, preferably multi-stage, catch connection, as a result of which tolerance compensation is possible. In particular, the entire handle including the hook attachment and the sliding guides can be constructed integrally from plastic, the hook attachment being connected to the rest of the handle via an elastic ribbon in the manner of a film hinge. According to one feature, for which independent protection is claimed, the hook attachment can ..., but also be produced from plastic in one piece with a pot lid and can be separated from the lid during assembly. <IMAGE>
Patent DE-3718583-A1 (DE)
Title: Process for recovering silver from fixing salt solutions by sulphide precipitation
Inventor: BONK MICHAEL
IPC: C02F1/52
Filed: 1987-06-03
Abstract: The process utilises the precipitation of silver sulphide as a heavy-metal salt which has low solubility in the alkaline medium. It is advantageous that a solution equilibrium is not established, enabling full precipitation. The slightly alkaline medium also means that no sulphur dioxide is formed and the thiosulphate is not decomposed, so that unnecessary contamination of the silver sulphide does not occur. By subsequent drying of the silver sulphide, the latter is prepared for reduction by means of air in an incineration furnace. At the temperature of about 650@C prevailing therein, conversion into elemental silver and sulphur dioxide then takes place. The silver isolated in this way is very pure and can be purified further by subsequent treatment with a reducing flame.
Patent DE-3726453-A1 (DE)
Title: Medical device
Inventor: SCHAEL WILFRIED DR ING
IPC: A61M5/142
Filed: 1987-08-08
Abstract: The invention relates to a device for medical purposes which combines the functions of heating or cooling and of pumping or restricting a liquid stream under sterile conditions in a simple arrangement. It is particularly suitable for use for infusions,in the extracorporeal treatment of body fluids, for irrigation of body cavities, in artificial enteral nutrition and the like. A particular advantage of the device resides in the fact that the part coming into contact with the medium comprises a single tube. The characterising feature of the device according to the invention is the fact that the tube is inserted in the gap in a superficial structure which surrounds the tube on three sides of its circumference, the width of the gap being variable and controllable and being periodically reduced and increased, in particular, for the purpose of pumping by means of a drive device. The superficial structure with the gap intended for insertion of the tube can be formed, for example, like a screw thread on the surface of a cylindrical body. Besides various embodiments, the invention describes applications as heating and pumping device for artificial enteral nutrition and as an essential component of a haemofiltration device.
Patent DE-3729929-A1 (DE)
Inventor: ADAMOWICZ SLAWOMIR
IPC: F16J15/34
Filed: 1987-09-07
Abstract: A hydrostatic axial face seal has a compensating groove (20) arranged in a region of the contra-rotating ring (7) which counteracts any distortion due to pressure. This device ensures a constant gap (h) and is of compact design.
Patent DE-3736113-A1 (DE)
Inventor: SCHWAB WILFRIED DR
IPC: A61K31/675
Filed: 1987-10-26
Abstract: The medicine contains or consists of at least one compound of the formula I and/or optionally one of its physiologically tolerated salts, where the compounds of the formula I can optionally be in the form of pure stereoisomers or mixtures thereof; formula I is: 
<IMAGE>
 in which R<1> = organic radical or halogen
 A = C,C single or C,C double bond,
 n = 0, 1 or 2 and
 X and Y = alkyl radical or
 = -OR<2> or -NR<2>R<3> with R<2>, R<3> = H or optionally substituted aliphatic radical. 
<??>The medicines are suitable for the prophylaxis and/or treatment of disorders of the immune system.
Patent DE-3736428-A1 (DE)
Title: Support-bracket rack unit
Inventor: JUERGENS WALTER DR ING
IPC: B65G1/02
Filed: 1987-10-28
Abstract: In the storage of boxes, containers etc., rack units having support brackets are used. These support brackets are designed such that the statics are substantially improved without an additional material requirement and the material and labour outlay is greatly reduced.
Patent DE-3741071-A1 (DE)
Title: Apparatus for sorting building rubble in order to obtain building material, in particular concrete aggregate and components, such as wood, which are light with respect to the latter
Inventor: KUEHME ERNST DIPL ING
IPC: B03B5/28
Filed: 1987-12-04
Abstract: In an apparatus for sorting building rubble in order to obtain building material, in particular concrete aggregate and components, such as wood, which are light with respect to the latter, in a dense-medium washing drum with water, which dense-medium washing drum comprises a drum which has a horizontal axis of rotation and has a plurality of transport screws fastened on the inside and having multiply interrupted screw surfaces, it is provided in accordance with Patent ... (P3713663.1) according to the invention that the interruptions (32) in the screw surfaces (27, 28) have diverging edges (30, 31) proceeding from the drum casing (26) to the inner edge of the screw plate, the screw plates (33), which are bounded by the interruptions (32), of every screw surface (27, 28) being arranged in the screw surface plane (Fig. 1). <IMAGE>
Patent DE-3742439-A1 (DE)
Title: Road-driving machine and the like, in particular dinting machine
Inventor: STOLTEFUSS WILHELM
IPC: E21D9/00
Filed: 1987-12-15
Abstract: The invention relates to a selective cut heading machine which is provided with its own travelling mechanism, is preferably used as a dinting machine and which, below a vertically and laterally swivellable cutting extension arm (6), has a loading shovel (13) having loading arms (29, 30, 31) with the aid of which the debris occurring is loaded into a transfer conveyor (14) of the machine, which extends from the loading shovel to the rear of the machine. According to the invention, the loading shovel (13) is constructed asymmetrically with reference to the central axis (M) of the machine and/or can be set in a loading position in which it is asymmetrically tilted laterally outwardly. In this way, it is possible to position the dinting machine eccentrically in the roadway to be dinted and, at the same time, to dint the swollen floor also below a roadway conveyor suspended on the roof in the roadway wall region and to load the debris occurring in this arrangement with the aid of the loading and conveying apparatus. Instead of a loading shovel asymmetrical with respect to the machine axis (M), a narrower loading shovel can also be provided, which, for example, is mounted so as to be laterally swivellable about a vertical axis. <IMAGE>
Patent DE-3743025-A1 (DE)
Title: Guard hoop for rotary haymaking machines
Inventor: DENI FRANZ
IPC: A01D78/10
Filed: 1987-12-18
Abstract: In a rotary haymaking machine having at least two outer rotors (6) which can be folded upwards for transport, a likewise foldable guard hoop (8) is assigned to a four-bar mechanism, of which two points of articulation (4, 10) are located on the machine frame (1) and one each on the supporting arm (5) for an outer rotor (6) and on a link (9) carrying the guard hoop (8). The links (11 or supporting arm 5) articulated at the points of articulation (4, 10) can extend approximately parallel to one another or, in another version, also be crossed. Depending on this, the guard hoops assume different positions in the working position, but in the transport position are approximately horizontal outside the outer rotors (6). <IMAGE>
Patent DE-3744376-A1 (DE)
Inventor: CHIN DAEJE
IPC: G11C11/4074
Filed: 1987-12-29
Abstract: A dynamic random access memory (DRAM) comprises an array of storage cells in a well 64 on a substrate, a peripheral control circuit in a second well 62, 66 on the substrate, and means for differently biasing the wells. Complementary wells may carry CMOS peripheral control circuits. A ground potential may couple the wells carrying the storage arrays thereby to minimize voltage across the storage nodes for reducing array leakage and punch-through. An on-chip back-biasing generator may couple the complementary wells carrying the peripheral control circuits to improve signal margins and electrical performance. The array wells and the peripheral circuit wells are electrically isolated from one another so that back-bias generator noise does not interfere with the storage arrays. In this fashion, the storage nodes can be grounded advantageously while simultaneously basing the peripheral circuits. <IMAGE>
Patent DE-3800253-A1 (DE)
Title: Semi-automatic extending drawbar for a lorry trailer
Inventor: KOENIG WERNER
IPC: B60D1/155
Filed: 1988-01-07
Abstract: In order to be able to move and secure the extending pipe (3) in order to bring about lengthening or shortening in the guide pipe (2) which is connected to the forked drawbar of a trailer, the said extending pipe (3) is provided with the toothed rack (15) which is guided in a housing adjoining the guide pipe. The clamping segment (10) and the wedge (11) are arranged underneath the toothed rack (15) in the same housing. The clamping segment (10) has the toothed rack (16) which fits together with the toothed rack (15). If the wedge (11) which slides on the floor (9) of the housing is drawn in the direction of the arrow (12), the clamping segment (10) is lifted and pressed against the toothed rack (15) in whose teeth the teeth of the toothed rack (16) engage. Thus, apart from the clamping effect, the additional securing against axial displacement is also provided. In order to release the extending pipe (3), the wedge (11) is pushed back counter to the direction of the arrow (12), the clamping segment (10) drops down, the toothed racks (15, 16) disengage and the extending pipe (3) can be moved as desired. Control can take place from the driver's cab and does not need manual intervention. <IMAGE>
Patent DE-3803182-A1 (DE)
Inventor: FODOR FERENC
IPC: A01N43/88
Filed: 1988-02-03
Abstract: Herbicidal composition for post-emergent application in corn comprising as active ingredient ethyl ester of N-(4-chloro-6-ethylamino-1,3,5-triazin-2-yl)-glycine and 3-isopropyl-(1H)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide at a ratio of 1:10 to 10:1.
Patent DE-3807458-A1 (DE)
Title: Suspension for a transversely mounted drive assembly
Inventor: DAU WOLFRAM DIPL ING
IPC: B60K5/12
Filed: 1988-03-08
Abstract: In order to obtain a suspension which lends itself to robot assembly, the suspension of a drive assembly (3), transversely mounted in a motor vehicle (1), contains a bridge (12) in front of one end face (4) of the said assembly, which bridge is supported both in front of and behind the drive assembly (3) respectively by an assembly bearing (9, 10) and has an extension (13), pointing downwards behind the drive assembly (3), for connection to the drive assembly (3). <IMAGE>
Patent DE-3809658-A1 (DE)
Title: Heat exchanger for screen wash reservoirs
Inventor: BAUER DIETER
IPC: F28F1/00
Filed: 1988-03-23
Abstract: A heat exchanger (11) for inserting into screen wash reservoirs of motor vehicles is provided with a coiled feed (delivery, supply) line (12) and a return line (14), which are preferably connected to the engine cooling system and whose geometrical shape can be matched to the shape of the screen wash reservoir. For a heat exchanger (11) which can be produced in a simpler, less time consuming and more cost effective way it is provided that the feed and return lines (12, 14) are formed from a plastic tube which is provided with a metal insert which has a stiffening function and yet can easily be bent and is dimensionally stable in the bent state. <IMAGE>
Patent DE-3810015-A1 (DE)
Title: Application of a sheet-like information medium and its design
IPC: D21H19/04
Filed: 1988-03-24
Abstract: The invention relates to a sheet-like medium, for example in the form of paper, cardboard or foil, for graphical information, having a layer with a high degree of reflectivity. The invention comprises using such a medium as an information medium which does not reproduce, or only inadequately reproduces, its information on photocopying. The abovementioned layer prevents usable photocopies of the information medium, on which their graphical information is satisfactorily reproduced, from being produced in conventional photocopiers.
Patent DE-3811646-A1 (DE)
Title: Flexible shaft coupling
Inventor: FAUST LOTHAR
IPC: F16D3/72
Filed: 1988-04-07
Abstract: The flexible shaft (clamp, split) coupling described can be used with advantage both in new applications and for retrofitting or conversion as a torsionally rigid flexible connecting element when lateral mounting space is available. The coupling can be matched with relatively few problems to already existing centre distances. In the case of long production runs, the use of a casting, possibly requiring subsequent finish machining, may be advisable due to its low production costs. The coupling shells are preferably machined so as to be symmetrical, allowing their use at high speeds even without corresponding involved balancing. Axial displacement of the shafts to be connected is not necessary.
Patent DE-3817198-A1 (DE)
Inventor: SCHOENAFINGER KARL DR
IPC: C07D409/04
Filed: 1988-05-20
Abstract: 3-Substituted 3-(thien-2-yl)piperazin-2-ones of the general formula I 
<IMAGE>
 in which
 R denotes, for example, phenyl or (C1-C6)alkyl and
 R<1> denotes 2-thienyl,
 and their pharmacologically tolerable acid addition compounds have useful nootropic properties.
Patent DE-3828134-A1 (DE)
Inventor: VOCKE PETER DIPL ING DR
IPC: C21D1/74
Filed: 1988-08-18
Abstract: The invention relates to a method of heat treating workpieces (metal, ceramic) in a continuous furnace and, at the same time, especially to the influencing of the flow of the treatment-gas atmosphere existing in the furnace. It is possible to influence the flow of the furnace gas by blowing in a proportion of the treatment gas required for the heat treatment at a pressure lying above the normal feed pressure of the treatment gas and directed into one or more furnace zones.
Patent DE-3828701-A1 (DE)
Title: Grab handle for vehicles
Inventor: CZIPTSCHIRSCH KURT
IPC: B60N3/02
Filed: 1988-08-24
Abstract: A description is given of a grab handle for vehicles, comprising a handle body (1) which has mounting projections (2) at both ends for attachment to a vehicle body and at least one clothes hook (3). The intention is to make available a grab handle having a clothes hook (3) in which the clothes hook (3) is arranged on the grab handle in a manner such that it is inconspicuous and not hazardous yet is fully functional. It is therefore provided that the handle body (1) has at least one rear recess (4) which is closed at the front and bottom, and that a clothes hook (3) with its free end pointing upwards and having smaller dimensions than the recess (4) is arranged in the recess (4).   <IMAGE>
Patent DE-3832714-A1 (DE)
Inventor: REITER ULRICH DR
IPC: B21C1/24
Filed: 1988-09-27
Abstract: In the continuous drawing of, for example, seamless metal tubes joined together by butt welding, the joints generally do not have the required strength to transmit the drawing forces occurring during the drawing process. The method according to the invention first of all brings the joints up to the same strength as the adjoining tube material and then draws the total length produced to a uniform wall thickness. The equal strength can here preferably be achieved by heat treatment in the region of the joints.
Patent DE-3840760-A1 (DE)
Title: Refillable propelling pencil
Inventor: COLDITZ MICHAEL DR
IPC: B43K29/02
Filed: 1988-12-03
Abstract: The refillable propelling pencil has a pushbutton-actuated refill advancing mechanism, in which a conical clamping gripper subject to spring action can be displaced in the longitudinal direction of the housing by a pushbutton and in which an eraser strand is arranged in the pushbutton. The clamping gripper is, for gripping the refill, connected to a refill tube which at its rear end receives the eraser and which for this purpose has a number of spring arms separated by slots, which arms at their free end form a further gripper head. Inserted between the spring arms are drag arms which at their free ends have thickenings and at the opposite ends form a closed braking ring which surrounds the eraser strand in a friction fit. The clamping ring has an inner cone and is movable between the outer cone of the gripper head and the thickenings of the drag arms. The pushbutton overlaps the eraser strand and rests on the braking ring by means of a contact web. The refillable propelling pencil consequently bears at its two opposite ends different refills or a refill and an eraser strand which can both be moved forward in a stepped manner for use.
Patent DE-3901314-A1 (DE)
Title: Circuit arrangement for simulating a variable impedance, particularly an ohmic resistance
Inventor: SEHRIG GORDIAN DIPL ING
IPC: H03H11/46
Filed: 1989-01-18
Abstract: A circuit arrangement for simulating a variable impedance is specified which exhibits a current/voltage converter (1), the output of which is connected to a voltage proportional element (7). The output (9) of the voltage proportional element (7) is fed back to a second input (3) of the current/voltage converter (1) in such a manner that the output voltage (UE) is adjusted in such a manner that it corresponds to the load voltage (UL). The value of the simulated resistance (R) can be varied by varying the proportionality factor of the voltage proportional element (7). <IMAGE>
Patent DE-3911315-A1 (DE)
Title: German standard mains plug having an insertion aid associated with the connection bush for the protective earth conductor
Inventor: TALLER MICHAEL
IPC: H01R24/30
Filed: 1989-04-07
Abstract: In the case of an injection-moulded German standard mains plug for electrical devices which can be connected to a mains plug socket, having an essentially U-shaped plug bridge for holding an earthing spring with a hollow cylindrical connection bush for the protective earth conductor of a load cable, with an insertion funnel having a conical throughbore being assigned to this connection bush, this insertion funnel is formed on an L-shaped moulding (21) which projects from the planar base plate of the plug bridge (1) and projects over the connection bush (19). This produces a plug bridge which is optimised with regard to production technology insofar as the cooling times are reduced by the lower material requirements for the moulding. <IMAGE>
Patent DE-3915248-A1 (DE)
Title: Room air cleaner and humidifier with electrostatic filter - has HV wires and metallic or metallised plastic plates between air inlet and liq. surface
Inventor: STOLL KURT
IPC: F24F6/06
Filed: 1989-05-10
Abstract: Air is drawn by a fan (25) through inlets (42, 37) to a combination of two stacks (13, 14) e.g. of ten plastic discs rotated by friction rollers (27, 28) and partly immersed in liq.  reagent (34). High-voltage electrodes (53) in conjunction with electrically conductive plates (44) constitute a filter for pollen grains, aerosol or dust particles ionised by a source of 5 to 10 kV (48).  The remaining particles are trapped conventionally by the liq.  (34). A front cover (39) affords access for cleaning of the plates (44) removed from their holders (43). ADVANTAGE - Air cleaning efficiency is increased substantially without detriment to humidification.
Patent DE-3919349-A1 (DE)
Title: Transport container with fully opening side walls - has folding doors with sealing strips to ensure watertight closure
Inventor: LIEHMANN GERHARD
IPC: B65D90/00
Filed: 1989-06-09
Abstract: The container which has a rectangular load-bearing base is designed to open completely at the side walls.  At least one long side wall comprises at least one multi-part folding door and can be opened over its entire length.  Each folding door (1) is attached to a corner section (21) of the container (2). When closing the opened folding doors which are provided with sealing strips (12,13) on their upper and lower sides, the doors are lifted and the sealing strips (12,13) of the doors are pushed and locked in from below into the sealing strips (24,24) which are provied on the upper and lower longitudinal supports (22,23) of the container. ADVANTAGE - Easier opening whilst guaranteed waterproof sealing when the doors are closed.