baber/WOPTO huggingface dataset:
Patent DE-3919134-A1 (DE)
Title: Mfg. piezoelectric transducer suitable for underwater use - covering piezoceramic body, having plug bushes connected to electrode surfaces by Litz wires, etc.
Inventor: MERTENS PETER DIPL PHYS DR
IPC: B06B1/06
Filed: 1989-06-12
Abstract: Electrode surfaces (11, 12) are attached to both inner and outer walls of the piezoceramic body by litz wires (21, 22) connected by by plug sleeves (23, 24) to a connection terminal (25). The piezoelectric body (10) is held in a threaded aluminium holder (13). The transducer is, with the exception of the sleeve openings, hermetically sealed in an electrically isolating material (27). On placing the transducer in the isolating material (27), its load sensitivity is measured and the dimensions of one of the electrodes (12) are reduced until the load sensitivity is close to a predetermined reduced value. USE/ADVANTAGE - Accoustic transmitter and receiver systems in underwater applications. Uses readily available piezoelectric elements. Deviation of load sensitivity from predetermined low value kept small.
Patent DE-3923075-A1 (DE)
Title: Plug following molten metal jet from hollow charge - is sepd. by explosive plate ignited by arriving jet
Inventor: KNAEPPER STEFAN DIPL ING
IPC: F42B1/02
Filed: 1989-07-13
Abstract: The explosive charge (3) of a hollow charge projectile melts the shaped (conical) liner metal (2) which projects as a molten jet (4) followed by a larger plug (5), derived mainly from the liner outer periphery. The separate jet and plug, a disc or ptate. (6) of explosive is disposed in front of the projectile, and initiated when the leading end of the jet reaches the explosive. When the following plug reaches the burning explosive, it is slowed down, deflected and/or deformed to prevent direct following of the jet. The rear portion of the jet may be similarly affected. ADVANTAGE - Portions of projected metal not reaching a min.  velocity are deviated from the stream. Steel plates or other means are used for metal travelling faster than specified.
Patent DE-3928841-A1 (DE)
Inventor: FISCHER HERBERT DR
IPC: C02F9/00
Filed: 1989-08-31
Abstract: The invention relates to the use of at least partly water-soluble polymers with mean molecular weights between 2 000 and 500 000, prepared by reacting polymers containing carboxylic, ester and/or anhydride groups with amino alcohols and/or diamines, to remove printing ink from printed waste paper and/or from recycling water in the papermaking industry.
Patent DE-3931010-A1 (DE)
Title: Sports racket handle with impact absorption - has hydraulic damping element with chamber containing flowable material
Inventor: POLUS MICHAEL DR
IPC: A63B60/54
Filed: 1989-09-16
Abstract: The sports racket handle has a damping device in the form of at least one hydraulic damping element (35) wherein a chamber filled with flowable materail is defined by an elastically extensible membrane (43) and the damping element is provided with means (44) for increased energy absorption. Two or more damping elements are pref. mounted in series. USE/ADVANTAGE - Sports racquet handle. The impact of the ball is considerably dampened without impairing ball control, etc.
Patent DE-3932059-A1 (DE)
Inventor: EIGELDINGER NORBERT
IPC: G11B27/02
Filed: 1989-08-26
Abstract: In conventional copying processes, signals recorded in addition to the actual useful information, e.g. control signals for the synchronisation of recording-head switchover impulses, are not copied. Additional information can, however, be encoded in a variation of these signals, and this information is thus also not copied. In the invention, digital information recorded on the control track and detected by a reproduction device is transmitted by a transmission stage to a recording device where it is recorded again in digitally encoded form in an appropriate time gate on the control track. The process and device are of use in the copying of magnetic tapes containing address or index marks.
Patent DE-3934668-A1 (DE)
Title: Doorway gasket seal for warehouse - provides completely weather proof joint against rear end of closed van
Inventor: KOCH ROBERT
IPC: B60J10/00
Filed: 1989-10-18
Abstract: The wall (1) of the warehouse or storage facility contains a door opening (2) where vehicles are loaded or unloaded. A vehicle with a box van type of construction (3) reverses to the door with the rear loading doors (4, 5) in an opened position. The warehouse door opening (2) is surrounded by the two vertical side beads (7, 8) and overhead the horizontal bead of the loading door sealing gasket. The vehicle can be gently reversed so that pressure is exerted on the gasket thereby protecting sensitive goods from being damaged form wind and rain and preventing the floors of the warehouse from becoming wet through wind driven rain. The gasket is made of a strong cellular corrugated elastic material approximately 200 mm. Deep and the vehicle door hinges (6) rest in a recess in the vertical side beads (7, 8). The gasket beads (7, 8) are set in a mounting plate (9), which is secured to the warehouse wall. The space at the back of the gasket beads (7, 8) can be fitted with spiral springs (13, 14) to act as a buffer against the warehouse wall. USE/ADVANTAGE - Goods transfer at warehouses. The door sealing system keeps the goods dry and maintains the working environment inside the warehouse while moving goods into closed vans.
Patent DE-3935608-A1 (DE)
Title: Piston cylinder unit as shock or vibration absorber - has cylinder and equaliser compartments with spring chamber
Inventor: RUNKEL WALTER DIPL ING DR
IPC: B60G17/005
Filed: 1989-10-26
Abstract: The piston-cylinder unit (2), especially as a shock- or vibration-absorber, consists of a cylinder (4) in which a piston (6) moves axially.  The piston (6) separates off a cylinder chamber (10) filled with a hydraulic, medium and with changeable volume.  The piston (6) is connected tosp
Patent DE-4000503-A1 (DE)
Title: New pyridyl:sulphonyl-urea and-thiourea derivs. - used as herbicide(s) and plant growth regulator(s)
Inventor: KEHNE HEINZ DR
IPC: C07D213/76
Filed: 1990-01-10
Abstract: Pyridylsulphonyl-urea and -thiourea derivs.  of formula (I) and their salts are new where R1 = SiMe3, OSO2NR4R5, NR6R7 or I; R2 = H, 1-3C(halo)alkyl, halo, NO2, CN, 1-3C(halo)alkoxy, 1-3C alkylS(O)m, 1-3Calkoxy(1-3C)alkyl, 1-3C alkoxycarbonyl, mono- or di(1-3C)alkylamino, SO2NRaRb or C(O)NRaRb; Ra, Rb = H, 1-3C alkyl, 3-4C alkenyl or propargyl; or Ra + Rb = (CH2)4, (CH2)5 or CH2CH2OCH2CH2; R3 = H or Me; R5 = H, 1-3C alkyl, 3-4C alkenyl or propargyl; R4 = H, 1-3C alkyl, 3-4C alkenyl, 1-3C alkoxy or propargyl; or R4 + R5 = (CH2)4, (CH2)5 or CH2CH2OCH2CH2; R6 = H, 1-4C alkyl, 1-4C alkylsulphonyl, 3-4C alkenyl or 3-4C phenylsulphonyl, opt.  ring substd. by one or more halo, alkyl and/or 1-4C alkoxy R7 = 1-4C alkylsulphonyl; phenylsulphonyl, opt. substd. as above; n = 0 or 1; m = O, 1 or 2; w = O or S; A = a gp. of formula (i)-(viii): X = H or halo; 1-3C alkyl or 1-3C alkoxy both opt. substd. by one or more halo or 1-3C alkoxy; Y = H; 1-3C alkyl, 1-3C alkoxy or 1-3C alkylthio, all opt. substd.  by one or more halo or by one or two 1-3C alkoxy or 1-3C alkylthio; NR8R9, 3-6C cycloalkyl, 2-4C alkenyl, 2-4C alkynyl, 3-4C alkenyloxy or 3-4C alkynyloxy; Z = CH or N; R8, R9 = H, 1-3C alkyl or 3-4C alkenyl; X1 = Me, OMe, OEt or OCHF2; Y1 = O or CH2; X2 = Me, Et or CH2CF. Y2 = OMe, OEt, SEt, Me or Et; X3 = Me or OMe; Y3 = H or Me; X4 = Me, OMe, OEt, CH2OCH3 or Cl; Y4 = Me, OMe, OEt or Cl; Y5 = Me, Et, OMe or Cl. USE - (I) are herbicides and plant growth regulators. They are active against a wide range of mono- and dicotyledonous weeds. They may opt. be used in combination with other agents, e.g. insecticides, acarcides, herbicides, fungicides, growth regulators or fertilisers. (I) are applied in doses of 0.001-10 (esp. 0.005-5) kg/ha.
Patent DE-4005376-A1 (DE)
Title: Flame retardant polyacrylonitrile copolymer mixts. - useful as solns. in highly polar solvents and in spinning of threads and fibres
Inventor: ENGELHARD HELMUT DR
IPC: C08K5/5313
Filed: 1990-02-21
Abstract: Flame-retardant polyacrylonitrile (co)polymer mixts. (I) are claiemd contg. 3-25 wt.% additives of phosphorous esters (3) based on phosphinic acid, phosphonic acid and phosphoric acid esters of polyphenols, alone or in combination or also mixed with up to 10 wt.% free polyphenols as additives to acylonitrile (co)polymers (A). Also claimed are flame-retardant phosphorous-cotng. mixts. and acrylonitrile (co)polymer mouldings incl. fibres contg. (A) 97-75 pref. 95-85 esp. 93-88 wt.% acrylonitrile (co)polymer (at least 60 wt.% acrylonitrile); and (B) 3-25 pref. 5-15 esp. 7-12 wt.% phosphorous ester.
Patent DE-4006053-A1 (DE)
Title: Decorative crown and stand for table top - has U=shaped base stand with inserted bars
Inventor: KNEISSL DIETMAR ERICH
IPC: A47G33/00
Filed: 1990-02-26
Abstract: The advent crown stand (1a) is placed on a table-top. It consists of an H-shaped base-stand into which are inserted bars, and various separate parts, with a low centre of gravity. When knocked against, the advent crown is prevented from being set in a swinging motion by means of its free-standing base portion. USE/ADVANTAGE - Quite large advent crowns can be placed on the stand which is very stable and safe.
Patent DE-4006676-A1 (DE)
Title: Washroom and toilet facility - contains lavatory and hand basin, and three separate compartments for cleaning, servicing and disinfectant materials
Inventor: RITTER KARL KONRAD
IPC: E03D9/00
Filed: 1990-03-03
Abstract: Two of the technical compartments (1, 3) are positioned laterally to the toilet and wash room (2) and one (3a) is located beneath its floor. The room and compartments are sepd. from one another by a wall (13) which swivels around a pivot axis and on either side of the wall is a toilet basin (17, 17a). - The floor of the room is tensioned by a belt (6) running over two rollers (4, 5) which are located beneath the walls (13, 13a) separating the side compartments (1, 3) from the room (2). A floor (7) between the rollers (4, 5) supports the belt (6). In its movement by the rollers, the belt passes through the room to one of the technical compartments (3a) where it is cleaned by spray nozzles (8). The wall (13) is then turned through 180 deg. so that the toilet basins (17, 17a) and the wall (13) are in the technical compartment for cleaning.
Patent DE-4008040-A1 (DE)
Title: Energy prodn. by nuclear reaction - in liquids of light elements by high DC voltages and discharges in a plasma
IPC: G21B3/00
Filed: 1990-03-14
Abstract: Energy is generated by nuclear reactions in a reactor which utilises the energy of the light produced or of the kinetic energy and is based on a combination of gas discharge and electrolysis in liquids of light elements. Pref. by means of high d.c. voltages (over 2 kV) and one or more capacitor charges, a pulse shaped nuclear fusion reaction is initiated and the resulting energy is released as light or gamma radiation and in kinetic pressure. The latter can be converted to other forms of energy by hydraulic machines. The ionised vapour bubbles produced by electrolytic current interruptions, represent the real reaction space, the vapour bubbles implode and produce high pressures. USE/ADVANTAGE - For drives of motor vehicles or for current generation. Tests with water gave a ratio if input to output of 1:10 to 1:1300.
Patent DE-4008197-A1 (DE)
Title: North defining sensor with two-axis electrically restrained gyro - has pitch axis vertical error position sensor contg. second gyro with defined imbalance
Inventor: KEMPAS HAGEN DIPL ING
IPC: G01C19/38
Filed: 1990-03-15
Abstract: The North defining sensor contains a two-axis, electrically restrained gyro (36) with a pitch axis, twd input axes pependicular to the pitch axis, a position sensor responding to deviations of the pitch axis from the vertical, and a signal processing arrangement. The signal processor determines an aximuth angle to North from the gyro and position sensor signals.  The position sensor contains a second electrically restrained gyro (54) whose pitch axis is aligned at a defined angle w.r.t. that of the first gyro and which has a defined imbalance. USE/ADVANTAGE - Simple, compact sensor  accurately senses deviations of gyro  pitch axis from vertical.
Patent DE-4009369-A1 (DE)
Title: Packing for powder or gaseous materials
Inventor: RETTENMAIER FELIX
IPC: B65B1/24
Filed: 1990-03-23
Abstract: The packing has a bag-like packing material made wholly or partially from air and gas-permeable fleece whose air and gas permeability is so great that when packing any build up of air and/or gas can escape through the fleece material. At least half of the packing bag is made of this permeable fleece material which has a surface weight of 30 g/sq.m to 200 g/sq.m and an air throughput of 1100 1 per min to 300 1 per min with a 5 mm water column.
Patent DE-4010819-A1 (DE)
Title: Paper filter bag for coffee - has raised honeycomb pattern on inside with ridges flowing in cross-flow direction and reinforced
Inventor: MAASER ARNFRIED
IPC: A47J31/08
Filed: 1990-03-30
Abstract: The paper filter-bag (1) for coffee has raised patterns (6) on the sides and which point inwards. The raised parts (6) may be ridges running across the main flow direction, and form a regular pattern such as a honeycomb. The protuberances (6) are fibre-reinforced and are especially between 0.,05 and 10 millimetres high. The spaces between the protuberances (6) are especially between 25 cu mm and 1 cu cm. USE/ADVANTAGE - The coffee-filter bag enables the  coffee to flow more easily through and gives a better aroma.
Patent DE-4011037-A1 (DE)
Title: Traffic light system using solar energy - uses solar powers providing power in day and short wave radio signals to coordinate lights
Inventor: HUEBNER WALTER
IPC: H05B37/02
Filed: 1990-04-05
Abstract: In normal traffic control systems, the greater part of the cost is taken up with laying underground power supplies and control cables. This systems uses solar panels to provide the power during the day, at night an internal energy store is used. The coordination of a complete road junction can be done simply - on a timed basis or with more complication - by using short wave radio signals to coordinate the lights. ADVANTAGE - Avoids excessive installation cost or maintenance cost.
Patent DE-4022074-A1 (DE)
Title: Electrical stimulation appts. for incontinent patient - has pressure sensor joined to probe applying variable pulses to contract muscles
Inventor: STEINDORF JUERGEN W
IPC: A61N1/05
Filed: 1990-07-10
Abstract: The rod-shaped electro-stimulation probe for bladder or anal incontinent patients is joined to a pulse generator delivering variable stimulation pulses. A pressure sensor (3) registering the muscle contractions is joined to the probe (2). Control and/or regulation of the intensity of the pulses as regards amplitude and divation depends upon the measured values of the pressure sensor. The measured values are applied to the actual value input of a regulator. The stipulated value input of the latter is coupled to an adjuster. The output of the regulator is coupled to the pulse generator. ADVANTAGE - Optimum handling of patients including hardest cases, i.e. highest possible treatment intensity while ensuring protective and painless handling, reducing treatment period.
Patent DE-4027054-A1 (DE)
Title: Camera carriage with mobile frame -  has vertical lifting column in three sections telescopically retractable, with electric motor and spindle
Inventor: HABERL KARL
IPC: F16M11/28
Filed: 1990-08-27
Abstract: The camera-carriage has a mobile frame (1) and a vertical lifting column (2) consisting of an outer part (3) resting on the frame (1). A middle column-part (4) is telescopically retractable from it and there is a central column-part (5) supporting the camera, and retractable from the middle part (4). The middle and inner column parts (4,5) have a drive mechanism in the form of an electric motor contained in an extension to the lifting-column (2) in the mobile frame (1).  The motor is directly connected to a spindle to adjust the height of the lifting column (2). USE/ADVANTAGE - The drive mechanism and the lifting column of the camera carriage are sturdy, compact, reliable and noiseless.
Patent DE-4027107-A1 (DE)
Inventor: RINGLER BERNHARD
IPC: B23C9/00
Filed: 1990-08-28
Abstract: The suction device described comprises an enclosure, which surrounds the workpiece (3) to form a suction chamber (10), and a suction unit connected via a channel (7) to the suction chamber (10). In order to produce in the suction chamber (10) a suction-air stream which is as constant as possible and which covers the whole area in which residues arise, the suction channel (7) is annular in design, surrounds the suction chamber (10) and is attached to the frame of the machining equipment.
Patent DE-4029215-A1 (DE)
Title: Accurate measurement of spatial angles, trajectories, contours etc. - uses sequential angle and/or velocity and/or position measuring w.r.t. unknown, but identical starting states
Inventor: STIELER BERNHARD DR ING
IPC: G01C25/00
Filed: 1990-09-14
Abstract: The accurate measurement of spatial angles, trajectories, contours, motion processes and gravity anomalies with gyroscopes and inertial systems involves sequential measurement of angles and/or speeds and/or positions w.r.t. unknown, but identical, initial conditions. The differences in the sequential measurements are formed as system error differences in a computer, which provides models for relationships between system error differences and sensor errors at the start and end of the measurements and performs optimal approximation. Two system error time functions are derived as the basis for a common time function, which is used for correcting the measurements. USE/ADVANTAGE - For many types of constructional work and civil engineering, with improved operation and measuring precision. Aircraft and motor vehicle research.
Patent DE-4030644-A1 (DE)
Title: Generator gas prodn. with conversion to clean valuable gas -  suitable for large gas turbine electricity generating installations
Inventor: GATZKE HORST DR ING
IPC: C10J3/08
Filed: 1990-09-25
Abstract: Method includes gas conversion in an agitated coke bed with the addn. of O2. Lignite crude gas charged with phenol and crude gas charged with acetic acid from timber and agricultural waste and/or other regeneratice energy sources, with unknown matter such as refuse, used oil and solvents, can be converted into a clean energy-rich industrial gas. The several features and variants claimed include use of a high temp. converter with an auxiliary fuel such as wood charcoal, granular lignite coke or furnace coke; addn. of catalysts to the auxiliary fuel to bind the harmful substances from the gases and convert them to neutral slag; and addn. of new wood and coals to other fuels to avoid interruption of gas conversion in the glowing bed. USE/ADVANTAGE - Drawbacks of earlier methods (e.g. frequent need to replace burned grates) are largely avoided. High value industrial gas is produced which can, without difficulty, be used in large gas turbine installations for electricity generation. The gas can be easily stored and distributed.
Patent DE-4036726-A1 (DE)
Title: Coating appliance - has stripper device with two doctor knives, with upstream knife having inlet gap allowing glue passage
Inventor: MYOHL JOCHIM
IPC: A24C5/24
Filed: 1990-11-17
Abstract: The applicator is for the coating of a carrier length with e.g. glue. It has an applicator roller, to remove the glue from a store, and an associated stripper device, to remove excess glue. The stripper device (44) has two doctor knives (47,48). These are located behind each other in circumferential direction of the roller (39), and form a collection chamber (49) for the glue. The upstream doctor knife has an inlet gap (51), to allow passage of the glue from the store (41) into the chamber. ADVANTAGE - Improved reliability for increasing production speed.
Patent DE-4038668-A1 (DE)
Title: Sound-proofing wall for highways - curves towards road surface in order to reflect traffic noise back to source
Inventor: SONNTAG WERNER
IPC: E01F8/00
Filed: 1990-12-04
Abstract: Apart from single soundproofing walls located along the verge of highways, it is possible to have a dual arrangement (10,11) for central reservations on dual carriageways, whereby the sound is reflected backwards towards the road in both directions. In both cases the walls are retained at their feet in a U-shaped profile by means of screws (12) which join the dual plates to one another. By virtue of the curvature of the walls, and their profiling, a relatively thin plate can be used, e.g. 1 mm thick. It is preferable for the walls to be composed of individual plates extending over the total height of the wall. USE/ADVANTAGE - To reduce environmentally harmful traffic noise from busy highways.
Patent DE-4038868-A1 (DE)
Title: Plate deposit device for concrete plate press machine - involves pivot table delivering plates for stacking and uses lifters to place plate workpieces row by row
IPC: B65G47/91
Filed: 1990-12-01
Abstract: All plate workpieces (15-17) thrust out of a multiple mould are picket up by overhead suction lifters (12-14). The lifters of one row are liftable by a specific distance (a) over the pivot table (18), and those of the other rows by a different distance. The distance by which the lifters of the one row are raised is greater than the thickness of the plate workpieces. The suction lifters place the plate workpieces row by row one after the other on the pivot table so that an aligned vertical stack is formed. In their totality, a single pivot movement of the table transfers them into a vertical position on a conveyor from removal. USE - To remove concrete plates from a mfg. plant for stacking on edge vertically on a conveyor.
Patent DE-4038901-A1 (DE)
Title: Feed hopper outlet valve for granular or powdered material - has operation controlled by suction pressure in conveying line
Inventor: LANGBEIN KLAUS
IPC: B65G53/60
Filed: 1990-12-06
Abstract: A feed hopper for material in granular or powdered form has an exit valve (25). The valve is attached by rod (27) to a dished plate (26) which is located at the widest cross-section of the hopper. The valve (25) moves as a unit with plate (26) and closes in response to low pressure in suction line (13) which is placed above the supply line (17). When suction is applied through line (13) material is conveyed through line (17) into chamber (31). The air escapes through an annular gap (30) and through filter (14), while the difference in pressure keeps valve (25) closed. When the hopper is full the suction in line (13) is turned off and plate (28) falls by gravity against stop (28). The valve (22) opens and material is supplied to the machine. The valve can be made as a separate insert (20) for fitting to an existing hopper so that is has an air tight seal (23) against the inner wall (24) of the container. USE/ADVANTAGE - The arrangement provides a simple control for feed hoppers on plastics processing machines which are supplied by material conveyed through suction lines.
Patent DE-4100844-A1 (DE)
Title: Harvester conveyor supplying cleaning chamber in housing
Inventor: GIANI ANGEL
IPC: A01F12/52
Filed: 1991-01-14
Abstract: The conveyor (46) for a harvesting machine (10) delivers the crop into a cleaning chamber (58) and consists of a worm (50) enclosed in a casing (48) projecting partially into the chamber.  In an opening (60) in the casing (48), through which the crop is delivered, is a guide distributor (54) consisting of a rotary ejector (68, 70).