baber/WOPTO huggingface dataset:
Patent DE-3931270-A1 (DE)
Title: Purifying sulphur di:oxide-contg. gas - esp. chlorine and fluorine cpd.-contg. gas from regenerating desulphurisation coke
Inventor: CZELNY ZDZISLAW DR
IPC: B01D53/50
Filed: 1989-09-19
Abstract: In the purificn. of SO2-contg. gases from a combustion gas desulphurisation unit employing active coke, by multistage wet scrubbing with solids sepn. in the first scrubber stage and elimination of F and Cl cpds. in the subsequent scrubber stages, followed by cooling the gas, the novelty is that: (i) the absorbed Cl and F cpds. are withdrawn from the second gas cleaning stage; (ii) absorption of these cpds. is carried out using water condensed from the gas; and (iii) the amt. of fresh water, consumed in the following stages of F and Cl cpd.  absorption, amounts to max. half the amt. of condensate produced. USE/ADVANTAGE - Allows the purificn. of the SO2-rich gas resulting from regeneration of active coke used in dry desulphurisation of combustion gas, the purified gas being useful as raw material for prodn. of commercial prods. such as sulphuric acid, sulphur dioxide or sulphur.
Patent DE-4000701-A1 (DE)
Title: Measuring arrangement for vehicle inclination and acceleration - has pointer on base of liq. container with pendulum, eccentric bearing, linear guide and viewing window
Inventor: CONRADS JOHANNES P F DR
IPC: G01P15/03
Filed: 1990-01-12
Abstract: An arrangement for detecting and displaying differences in heights of vehicle front and rear wheel contact zones relative to the horizontal and vehicle speed changes contains a rotatable pointer (1) on the base of a container with a transparent window. The container wall above the pointer bearing carries a pendulum bearing, above which on a pendulum (3) is an eccentric bearing with a linear pointer guide. The pointer rotates freely about the eccentric bearing. A readable deflection is caused by large inclinations and speed changes. USE/ADVANTAGE - For partic. sensitive inclination and acceleration measurement in cars and motor cycles.
Patent DE-4002056-A1 (DE)
Title: Wheelbarrow with roller mounted small load support - which carries castor(s) at end opposite to that with roller
Inventor: KNAUER DIETER
IPC: B62B3/06
Filed: 1990-01-25
Abstract: The wheelbarrow for transport of small loads has a load support with one or more transport rollers and a frame pivoted on the support. The support (4) has the transport roller (2) at one end (7), and one or more castors (8) at the other end (6). The load support is height-adjustable, and may have the ground strut. ADVANTAGE - Easy handling.
Patent DE-4002893-A1 (DE)
Title: Machine for treating continuous material web - has support section, parallel to work surface drum, formed by web retainer
Inventor: ANDERKA GEROLD
IPC: B65H18/20
Filed: 1990-02-01
Abstract: The web (10) treating machine has a rotary drum (11), over which the web is passed, after unwinding from a roll mounted at one side of the drum. After passing over the drum the web is formed into a roll by a group of rollers (130). The rollers are mounted with their axes parallel to the axis of the drum, but at a level lower than that of the drum. In addition to the group of rollers, the material is guided by a stationary guide (132) to be so deflected that it is formed into a roll.
Patent DE-4003394-A1 (DE)
Title: Central enclosure for instruments sterilised by vaporising liq. - has larger surrounding area to retain overlapping liq.
Inventor: SANTASALO LAURI
IPC: A61L2/20
Filed: 1990-02-05
Abstract: Instruments are sterilised by the action of liq. such as peracetic acid which is vaporised round the instruments while these are held in an enclosed cabinet where the liq. is vaporised electrically, by heat exchange etc. The instruments are held in the circular central enclosure (12) of a flat container inserted into the cabinet. Round the central enclosure, the flat container has an open topped area (13) whose volume is about 5-20 times that of the central enclosure.
Patent DE-4004328-A1 (DE)
Title: Single crystal grown in larger, charged drops of soln. - suspended with less deformation by electrostatic field and ultrasonic standing wave field
Inventor: LIERKE ERNST-GUENTER DR
IPC: C30B7/00
Filed: 1990-02-13
Abstract: The single crystal growth, by evapn of solvent from a drop of the dissolved material, is carried out while the drop is held motionless in an ultrasonic standing wave field. The feature is that the drop has been charged electrically and that an electrostatic field is : superimposed. Initially the drop is suspended by just the ultrasonic field, and later the electrostatic field is added. The magniture of both fields is adjustable. The equipment used to carry out the process includes an ultrasonic transducer and a non-conductive reflector at some distance from it, which also contains a convex electrode embedded in it or a ringshaped one surrounding it. The reflector also features a central cavity to improve the stability of positioning. The chamber in which the evapn takes place pref contains a quantity of the solvent in order to control the vapour pressure using temp difference or concn difference of a dissolved salt, for a controlled evapn rate. This sovlent is pref available on the open bottom plane of the chamber. USE/ADVANTAGE - The addn of the electrostatic field allows larger drops to be suspended without causing deformation. It also makes the positioning of the droplet easier. The process consists of bringing a droplet into the ultrasonic field through an injection needle.  Then the charge is applied and the electrostatic field adjusted.
Patent DE-4004699-A1 (DE)
Title: Photographically measuring size distribution of ground coffee - taken by gas stream through transverse light beam
Inventor: BARTH GERHARD PROF DIPL PHYS D
IPC: G01N15/00
Filed: 1990-02-15
Abstract: To establish the range of particle sizes in ground coffee from a hopper (1), the grains are fed down a vertical feed pipe (3) while entrained by a compressed gas supply controlled by a valve (52) and enter an observation section (4). Here the grains are illuminated by a transverse light beam impinging on a camera (9); the size of individual grains is determined by the Pixel number covered by the camera, at any given moment in a surface parallel for transverse to the flow axis. The high-speed electronic camera is pref a line scanner, and delivers its imagese to an analysing micro-processor (11), computer (12) and display unit (13). Particle sizes are divided into classes representative eg of the number and percentage wt of particular sizes. USE - Provides real-time analysis of size distributionm permitting immediate adjustment of grinding process for specific coffee types.
Patent DE-4010176-A1 (DE)
Inventor: HARTUNG MICHAEL
IPC: B05D7/00
Filed: 1990-03-30
Abstract: The invention relates to a process for producing a multi-layer paint coating in which an aqueous basic paint is used which contains as a binder a polymer obtainable if (A) ethylenically unsaturated monomers are polymerised in the presence of (B) a polyurethane resin containing polymerisable double bonds in an organic solvent and the reaction product thus obtained is converted into an aqueous dispersion.
Patent DE-4012131-A1 (DE)
Title: Robotic adjustment of work locating fixture
Inventor: KELLER VOLKER KURT
IPC: B23Q3/00
Filed: 1990-04-14
Abstract: The superimposed plates (1,2) have a grid of through apertures in which workpieces can be located. By sliding one plate over the other the apertures can be varied to accept a different workpiece size. In a convenient position the two plates have elongated holes (3,4) in alignment. A rod (9) passes through the holes and is located by fixed bearing plates (12,13). Fastened to the rod is a gear (15) engaging on one side teeth in hole (3) and on the other teeth in hole (4). Thus if the rod is rotated the plates will slide over each other in opposite directions as indicated by arrow (8). A compression spring (21) clamps the plates between a sliding collar (20) at the top and clamping disk (10,11) at the bottomm. To release the clamp a plunger (29) on the robot pushes the rod (9) downwards whilst claws (28) support the collar (20). The claws then rotate taking with them the collar and rod and thus causing relative movement of the plates.
Patent DE-4013037-A1 (DE)
Title: Method of mobile traffic surveillance - using moving detector vehicle with radar which detects speed of vehicles being observed
Inventor: NEININGER GUENTER DIPL ING
IPC: G01S13/92
Filed: 1990-04-24
Abstract: A method of mobile traffic surveillance comprises a detector vehicle (m) having a Doppler radar with (R) arranged, for example, in the rear of the vehicle (m). The radar with (R) detects the speed of the vehicle (F1,F2) being observed as against the travel of the detector vehicle (m) and detects the distance of each vehicle (F1,F2) from the detector vehicle (m). The radar unit may have a rotatable antenna and may observe several vehicles at the same time. Video camera recording of the detected vehicles can also be provided. USE/ADVANTAGE - Enables accurate and fail-proof speed measurement from a mobile detector vehicle.
Patent DE-4015742-A1 (DE)
Title: Sealing strip for door or window - is retained in undercut groove in frame of door or window
Inventor: STRUTH FRIEDRICH
IPC: E05D5/02
Filed: 1990-05-16
Abstract: The frame (1) of a window or door is provided with a sealing  strip (5) to seal the gap between the hinged window and the fixed window frame or the gap between door and door frame. The frame has a longitudinal groove (2) with an undercut cross-section. This groove (2) receives part of the sealing strip (5) which has a matching cross-section and has lateral projections which engage the edges of the undercut. In addition the sealing strip (5) has attached pins (5111) which engage holes in the floor of the groove. USE/ADVANTAGE - This sealing strip cannot be removed after it has been inserted in the groove.
Patent DE-4016588-A1 (DE)
Title: Learning aid for tennis or square player - assists in execution of forehand and back-hand strokes
Inventor: GROSSMANN HANS
IPC: A63B69/38
Filed: 1990-05-23
Abstract: The learning aid can be attached to the handle of a tennis or squash racket. The learning aid assists in the execution of one-handed forehand and backhand strokes by means of a fixing element (7) which is attached to the racket handle and this element (7) is attached to the player's free hand by a strap (4). The fixing element (7) consists of a flexible rubber tube which can be slid along the handle of the racket (18). The free end of the strap is attached to a grip (6) which is held in the player's free hand. USE - Tennis and squash.
Patent DE-4017270-A1 (DE)
Title: Active screened superconducting magnet for nuclear spin tomograph - has inner and outer coil systems with bridging switch and superconducting limiter preventing excessive voltage rises
Inventor: REICHERT THOMAS DIPL PHYS
IPC: G01R33/421
Filed: 1990-05-29
Abstract: The actively screened, superconducting magnet has a coil system contg. an inner (1a) and outer (1b) coil system connected in series and with different magnetic field directions. Both coil systems can be bridged by a permanent current switch (3) and one can be bridged by a superconducting current limiter (2) with low critical current to enable a difference current between the inner and outer coil systems. The limiter conducts normally above a certain difference current to limit the current difference. The limiter is in good thermal contact with at least one part of at least one coil system. ADVANTAGE - Prevents excessive voltage rises, and hence current limiter destruction, even in quench case.
Patent DE-4018103-A1 (DE)
Title: Billet gripper and feed mechanism for cold pipe mill - has spring-loaded gripper blocks, moved using lever operated mechanism contg. collared rolls, bar-form copying template, etc.
Inventor: LITVAK EFIM ANATOLIEVIC
IPC: B21B21/04
Filed: 1990-06-06
Abstract: The gripper and feed mechanism consists of spring loaded gripper blocks (14), a lever operated mechanism (6) for moving the gripper through the feed length and an arrangement for closing the grippers (3), comprising a pair of collared rolls (7) in contact with the gripper blocks (14) and mounted tiltably on spindles (8), a copying template in bar form (9) movable parallel to the rolling axis and track rollers (11) which contact the bar (9). The mechanism for closing the grippers (2) incorporates a wedge-type adjuster (12) for setting the inclination angle of the roll (7) axes. The drive for moving bar (9) is provided with a backlash locking device (13). ADVANTAGE - Construction of mechanism ensures consistent billet gripping with predetermined force; avoids irregular billet feed; improves operational performance and service life.
Patent DE-4020130-A1 (DE)
Title: Prepn. of chloro-fluoro and di:fluoro-nitro-benzene(s) - by heating a di:chloro-nitro-benzene with alkali fluoride in presence of catalyst
Inventor: PAPENFUHS THEODOR DR
IPC: C07C201/12
Filed: 1990-06-25
Abstract: The prepn. of chlorofluoronitrobenzenes (I) and difluoronitrobenzenes (II) comprises heating dichloronitrobenzene (III) with an alkali fluoride with up to 2.5 wt.% total water content in the presence of a quat. ammonium and/or phosphonium salt, crown ether and/or polyethyleneglycoldimethyl ether as catalyst, to a temp. of no more than 200 deg. C. USE/ADVANTAGE - (I) and (II) are intermediatesa in the prodn. of pharmaceuticals and plant protecting agents. Neither the (III), the alkali metal fluoride nor the catalyst need to be dried before use, and there is no need to use a solvent.  Yields are high.
Patent DE-4026410-A1 (DE)
Title: Matrix Multiplication with SIMD processors - achieves partic. effective, rapid operations using small block matrices with matrix multiplication control
Inventor: WEIS PETER DIPL ING
IPC: G06F17/16
Filed: 1990-08-21
Abstract: Performing matrix multiplication using SIMD processors in which operand and results matrices are divided into small block matrices consisting of individual matrix elements processed directly by the processors involves using matrix multiplication control for the block matrices. The number of elements in a block matrix (BM) equals the number of processor elements. All block matrices are of equal size and square. Each processor element computes an element (MEC) of the results matrix (C) from each operand block matrix synchronously and in parallel. Only the elements (MEA, MEB) of two corresp. operand block matrices (A, B) are fed to the processor elements for each processing step. USE/ADVANTAGE - Method enables partic. effective rapid matrix multiplication.
Patent DE-4026896-A1 (DE)
Title: Compensating temp. of thermal printing heads - using preceding output patterns, heat dissipation model and temp. sensors to set currents in heating elements
Inventor: PEKRUHN WOLFGANG DR
IPC: B41J2/365
Filed: 1990-08-23
Abstract: For precise control of the temp. of the individual elements on a thermal printing head, individual temp. sensors are used in conjunction with a temp. control algorithm. The existing and previous settings of the printing elements are stored in a memory. To calculate the required heating voltage for a single element, its required setting (DO) is combined with previous settings for it and its immediate neighbours (D2-3), and easier settings of the same elements (D4-D9). The algorithm is modified for graphics and text printing modes, and it takes account of the time delays in temp. measurements. ADVANTAGE - Takes into account printing mode, speed, type of printing, text, graphics, type of ink ribbon.
Patent DE-4032114-A1 (DE)
Title: Liquid transferring, measuring and limiting appts. - uses measurement container with directly engaging lifting mechanism enables single inlet and outlet connection decoupling
Inventor: EVERS KLAUS DETLEF MARCUS DIPL
IPC: G01G17/04
Filed: 1990-10-10
Abstract: Liquid is diverted into a weighing container which is decoupled from feeding and emptying sections and its inlet and outlet closed before it is coupled to a force measurement device.  The feeding and emptying sections (4a, 5a) are arranged in housings above and below the container (1) respectively. Releasable sealed connections (45, 46) move in the direction of the container's longitudinal axis. USE/ADVANTAGE - Esp. for use with milk or beer. Measurement container is directly engaged by lifting device and both connections are disconnected in one action.
Patent DE-4032149-A1 (DE)
Title: Highly-concentrated spinning solns. from pan polymer powder -  by steam-treating pan to compact the powder, suspending in DMF or DMA, and heating the suspension
Inventor: REINEHR ULRICH DIPL CHEM DR
IPC: D01F6/18
Filed: 1990-10-10
Abstract: The prodn. of spinning solns. (I) from suspensions of acrylinitrile homo- or co-polymers (II) in DMF or DMA, which can then be converted into spinning solns. by heating, pumped, filtered and spun into thread of fibre by normal methods; the process involves producing a homogeneous suspension contg. up to 50% polymer solids, which is swellable with difficulty at room temp.(25 deg. C) and free from gel, agglomeration and bubbles, by (a) treating (II) with satd. steam (at least 110 deg. C) for at least 1 min. to compact the powder, so that (b) the specific surface (A) (in m2/g) decreases by at least 20%, (c) the bulk density (D) (g.l) increased by at least 10% and (d) opt. the polymer grain structure changes from an open, spiny form to a compact, more spherical-elliptical structure, then (e) the treated polymer is suspended in solvent at room temp. to 35 deg. C to give a suspension with falling-ball viscosity (measured at 25 deg. C after standing for at least 5 mins.) not above 250 (pref. below 200) secs., and (f) the suspension is converted into (I) by heating. USE/ADVANTAGE - Steam-treated polymers (II) in the form of highly-concd. solns. (pref. above 35 wt.% for homopolymers or above 40 wt.% for copolymers) are useful in the dry-spinning process for prodn. of coarse titre with individual fibre final titre above 20 (pref. above 40) dtex (claimed). The process enables the prodn. of highly-concd. spinning solns. contg. (II), which are not too viscous, can be easily degassed and are free from agglomeration and clumping.
Patent DE-4033342-A1 (DE)
Title: Treating waste water contg. sludge -  by addn. of hydrogen peroxide, oxidn. and distillation to remove volatiles
IPC: C02F1/72
Filed: 1990-10-19
Abstract: Treatment of waste water contg. sludge involves (a) addn. of an aq. 3-60 wt.% H2O2 soln., (b) oxidn. at a definite pressure and corresp. b.pt., and (c) distn. of the water to remove volatiles from a residual sump prod. (a) H2O2 is pref. added in portions as a 15-50 (30) wt.% soln. (b) Oxidn. is at atmos. pressure and 100 deg.C. (c) Stripping is with steam, and the sump prod. is filtered. An anti-foam may be added. The appts. comprises a reactor connected by a pipe to a container for H2O2, and with a temp. probe and means, esp. a redox electrode, for determn. of unused H2O2 in the reactor. The feed of H2O2 may be through a valve, in dependence on the amt. of unused H2O2. The reactor may have a foam probe, with anti-foam fed from a container in dependence on the signal from the probe. USE/ADVANTAGE - The waste water is esp. from refineries. Toxic and odour- and colour-forming components are removed, and the solids content of the waste water is reduce
Patent DE-4033689-A1 (DE)
Title: Ring-shaped heat exchanger - has central blower displaceable axially in order to conduct part of air current past its face side
Inventor: MOELLER ROLF DR
IPC: B60H1/00
Filed: 1990-10-23
Abstract: The heat exchanger, partic. for a vehicle heating or air conditioning plant, has a blower (2) and/or in air conduit which activates a radial through flow of the exchanger (7). The blower or conduit delivers a part air current (5b) around the heat exchanger and at least past one of its face sides (8b). The intensity of the part air current is variable, and the blower and/or air conduit is axially displaceable (1) to the heat exchanger (7). A regulator (11) is fitted to the blower or to its motor (9), and a pressure spring (12) acts on the blower in its displacement direction. USE - As a ring-shaped heat exchanger, partic. for a vehicle heating or air conditioning plant.
Patent DE-4037479-A1 (DE)
Title: Phthalocyanine sensor for nitrogen oxide detection - has heating phase constantly superseding measurement phase, when sensor resistor exceeds or falls below the predetermined value
Inventor: RUMP HANNS
IPC: G01N27/12
Filed: 1990-11-24
Abstract: In a phthalocyanine sensor for NOx detection in air, in which the phthalocyanine layer operates at an optimised temp. during the measurement phase and is cyclically purified by periodic temp. increase. The measurement phase (11) is constantly superseded by the heating phase (12) when the sensor resistance (2) drops below a predetermined value (3) or when the sensor resistance change with time (4) exceeds a predetermined value. The resistance change with time is used as a measure of the NOx concn. and an electronic processing and control unit is used for periodically determining the sensor resistance, changes in the measuring time period being compared with stored values which describe the amount of change as a function of the gas concn. over time. ADVANTAGE - Optimal use is made of the available measuring time since the heating phase is controlled according to the NOx loading of the sensor layer.
Patent DE-4101939-A1 (DE)
Title: Dynamic random-access memory cell - has memory layers in fin structure supported by intermediate heterogeneous layers
Inventor: RHO BYUNGHYUG
IPC: H01L21/8242
Filed: 1991-01-21
Abstract: The RAM cell has heterogeneous layers (8,10), between a first and second memory layer (7,9) and between the second and a third memory layer (9,11). The obtained layer structure is enclosed by a thin polysilicon layer (12), a dielectric layer (13) and a further polysilicon layer (14). The heterogeneous layers (8,10), acts as conductive layers between the memory layers (7,9,11), and simultaneously support the latter. The memory cell has a transistor provided by a field oxide layer (2) an gate film (3), an insulating layer (4) and an active zone (5) contacted by the first memory layer (7). ADVANTAGE - Increased storage capacity.
Patent DE-4102886-A1 (DE)
Title: Reducing the release of heavy metals, esp. lead, from glass surfaces - by treatment with an aq. complex-forming extn. medium
Inventor: EYK GEORG VAN
IPC: C03C15/00
Filed: 1991-01-31
Abstract: The glass surface is brought into contact with an extraction medium, which acts on the surface for a predetermined period of time. Pref. the extraction medium includes a complex-forming agent. The extraction medium may comprise dil. acetic acid or may be alkaline. The complex forming agent is the disodium salt of EDTA. The extraction medium may include a precipitation agent, most pref. sodium sulphate. The most pref. extraction medium is then an aq. soln. of sodium sulphate in acetic acid. The glass surface may be contacted with the extraction medium with stirring and/or with heating. USE/ADVANTAGE - Simple process for reducing the release of heavy metals e.g. lead from lead crystal glass. The process is conducive to health and improves the appearance of the glass. In an example, sodium sulphate (Glauber's Salt) was dissolved in 4% aq. acetic acid to give an 0.1M soln.. The soln. was heated to 60-80 deg. C and allowed to act on a glass surface for several hours with stirring. The extn. medium was then removed from the glass surface