baber/WOPTO huggingface dataset:
Patent DE-3914376-A1 (DE)
Title: New crosslinked polymers prepd. - by reaction of tri:hydroxy-tri:phenylene cpd. with difunctional deriv. of benzene, bi:phenyl, di:phenyl ether, sulphide or ketone, etc.
Inventor: NAARMANN HERBERT DR
IPC: C08G65/40
Filed: 1989-04-29
Abstract: Polymeric substance (I) contains units of formula (II), and is obtd. by reaction of the corresp.  trihydroxy-triphenylene cpd. (III) ( = (II) with -X-replaced by OH) with a disubstd. aromatic cpd., namely a disubstd. benzene, biphenyl, alkylene-bisphenyl, oxybiphenyl, diphenyl-sulphide, diphenyl-sulphoxide, diphenyl-sulphone or benzophenone cpd. (opt. with other substits.) (IV).  In (II) R = divalent residue, i.e.  -SO-, -O-. -SO2-, -SO2NH-. -S-, -SO-, -S-X-S-, -S-X-O- or -O-X-O; and X = divalent residue of aromatic ring or ring system. USE/ADVANTAGE - (I) are new crosslinked polymers which are useful, e.g. for prodn. of high temp. resistant coatings; electrically-conducting polymers can be obtd.  by doping (I), e.g. with heavy metal ions, and are useful, e.g. in electrodes, screening materials, sensors and heating systems, or as filler components.
Patent DE-3917067-A1 (DE)
Title: Flat:bed knitter yarn guide - has open indents for laying without laborious threading
Inventor: SCHIMKO REINHOLD
IPC: D04B15/38
Filed: 1989-05-26
Abstract: The yarn guide mechanism for a flatbed knitter, has guide components with open indents to guide and/or deflect a yarn. The indents are open grooves at the edge of the guide component, for the yarns to be laid in place to be knitted. The yarn guides are plates or bars. The inner surfaces of the indents and/or the edge surfaces are of a material and/or shaped to ensure that the yarns slide through the indents smoothly. Open eyelets are inserted into the indents. The guides can be tensed springs. ADVANTAGE - The appts. is simple, and time-consuming threading of the yarn from bobbin to knitter is eliminated.
Patent DE-3919073-A1 (DE)
Title: Framework for lead electrodes for lead accumulators - consists of non-conducting porous plastic strip, which is activated, chemically copper-plated, cut to size and electroplated with lead
Inventor: KISTRUP HOLGER DIPL CHEM DR RE
IPC: H01M4/82
Filed: 1989-06-10
Abstract: Framework (I) for the Pb electrodes of a lead accumulator (II) is based on a strip of non-conducting plastic material (III) with 60-95% porosity which is chemically copper-plated after an activation process, cut to the length and/or breadth of the electrode and reinforced later by electroplating with a layer of lead. Process for prodn. of (I) comprises activating the surface of (III) with a HCl-contg. soln. based on Pd/Sn, removing excess activating soln. from surface and pores, chemically copper-plating the surface, removing excess plating soln., cutting to size, electroplating with lead and cleaning to remove residual electrolytes. (III) is non-woven fabric, needled felt or open-pore foam, based on PE or PP fibre or polyurethane; layer of Cu is 0.2-1 micron thick and layer of Pb is 3-8 microns thick. ADVANTAGE - The invention provides a framework (grid) in which the active material can be properly proportioned; accumulators contg. electrodes based on (I) are able to withstand a greater no. of charge/discharge cycles (w.r.t. prior-art grids), giving better capacity and better long-term performance.
Patent DE-3919895-A1 (DE)
Title: High frequency honing of holes in workpieces - using ultrasound vibration superimposed on vertical and rotational tool movement
Inventor: KOPP OSWALD
IPC: B24B33/02
Filed: 1989-06-19
Abstract: The tool (10) is simultaneously moved relative the workpiece with radial and axial motion with overlayed onto each a high frequency, e.g. ultrasonic oscillation. The oscillation may be applied to the work piece. The tool may be held in an oscillation stimulator (20) possibly via an amplitude-amplifier (31). The stimulator produces an ultrasound oscillation transmitted to the tool, and may be mounted on the housing machine  spindle. The stimulator may be piezoelectric, magnetostrictive, or mechanical. ADVANTAGE - Higher geometric accuracy of hole, esp. for cylindricality, straightness and roundness.
Patent DE-3922782-A1 (DE)
Title: Molecular pump in a unit design
Inventor: YUE ZHU
IPC: F04D17/16
Filed: 1989-07-11
Abstract: A molecular pump constructed in a unit design (combine design) has a pump casing (5) and a rotor (2) which is driven axially inside the pump casing by means of a motor. The molecular pump is of two-stage construction and is composed of a turbomolecular drag pump (A) and a combined expansion stage (B). The turbomolecular drag pump (A) consists of a set of rotating turbine rotors (runners) (7) fixed on the rotor (2), and a static diffuser (8) which is subdivided by a static spacer ring (distance washer) and fixed to the inner wall of the pump casing (5) and is arranged alternately with the rotating turbine rotor (7). The combined expansion stage (B) consists of a set of bladed wheels (9), which are subdivided by rotating spacer rings (11), are attached to the rotor (2) and are provided with blade teeth (16), and of a set of static bladed wheels (10) which are attached to the inner wall of the pump casing (5) and are arranged alternately with the rotating bladed wheels (9). <IMAGE>
Patent DE-3928983-A1 (DE)
Title: Motion controller for cable operated mining conveyor - controls drive cable force by controlling tensioner and/or winch using vehicle position indicator
Inventor: HACKENBERG WERNER
IPC: B61B12/10
Filed: 1989-09-01
Abstract: A motion controller for a cable operated conveyor, whereby the force take-off from the drive cable is pref. via a drive plate, feeds control signals to a winch controller for conversion into tensioning forces in a tensioning station. The arrangement contains a vehicle position indicator (23) and switches (28-39) associated with each section (7-12) of the conveyor. The switch triggers (107-112) interact with the indicator and switching elements which switch control lines (42, 43) to the tensioning elements of the tensioning stations (A, B). USE/ADVANTAGE - For controlling the force applied to the drive cable of a mine conveyor by controlling the tensioner and/or winch.
Patent DE-3934860-A1 (DE)
Title: Hydrocarbonylation of methyl acetate to ethylidene di:acetate - using catalyst contg. rhodium cpd. palladium cpd., ether-phosphane ligand and alkali(ne earth) iodide to give high selectivity
Inventor: LINDNER EKKEHARD PROF DR
IPC: C07C67/293
Filed: 1989-10-19
Abstract: Prepn. of ethylidene diacetate (I) is by reaction of Me acetate with CO and H2 at 180-220 deg.C and 50-250 bar absolute using a catalyst consisting of (amts. based on Me acetate): (a) 0.05-0.50 mol% of a Rh cpd.; (b) 0.04-0.50 mol% of a Pd- or Ru-cpd.; (c) an ether-phosphane ligand in amt. such that the Rh/ligand mol ratio is 1:1-2; and (d) 3-15 mol% of an alkali(ne earth) iodide. The CO:H2 ratio is pref. 1-3:1. Added solvent is not necessary, but acetic acid can be added as solvent if required. ADVANTAGE - High conversions with high selectivity to (I) can be achieved using low catalyst concns.
Patent DE-3937061-A1 (DE)
Title: Biaxial driving rope construction - comprises circular flexible strand with cruciform driving members formed at regular intervals
Inventor: KRAUSE GUENTER ING GRAD
IPC: F16H7/02
Filed: 1989-11-07
Abstract: The biaxial driving rope comprises a flexible strand of circular cross-section and on which cruciform driving members are formed at regular intervals. The strand and members can be of rubber or elastic plastic, reinforced by wire or synthetic cord, and the rope can be arranged to work in two planes at right angles to each other. The driving members can be of circular cross-section and of the same dia. as the rollers in a conventional roller chain. USE/ADVANTAGE - Pulleys on shafts at different angles can be driven from a single source.
Patent DE-3940135-A1 (DE)
Title: Connection with two flanges and seal - has tension ring, operating lever, driven part and closure piece
IPC: F16L23/06
Filed: 1989-12-05
Abstract: The connection has two flanges between which is a seal. A tension-ring grips over the flanges, with a link and detachable fastening. One end of the tension ring, on the fastening side, has an operating-lever with handle movably attached on an axle to it and extending towards the link. A driven part is movably linked to the operating lever on a bearing parallel to the axle. The driven part has a closure piece detachably suspended from the other end of the tension ring, on the fastening side. USE/ADVANTAGE - The compact fastening makes for easy and quick opening and closing, for pipe connections.
Patent DE-4000648-A1 (DE)
Title: Fence for building site - is constructed from mats used for reinforcing concrete
Inventor: BAUMANN WOLFGANG
IPC: E04H17/16
Filed: 1990-01-11
Abstract: A fence around a building site is constructed from reinforcing mats (1, 2) which are normally used for reinforcing concrete. The mats (1, 2) are held vertical by clamping posts (5) which clamp together the overlapping edges of adjacent sheets. Each clamping post (5) is formed from two channel sections with the edges of their flanges pressed against each other. One channel section has two horizontal arms which project through slots in the web of the other channel section and are then secured by wedges (14). Each wedge (14) passes through a slot in the horizontal arm and abuts against a roller mounted in the outer end of the slot. USE - Building site fence.
Patent DE-4004780-A1 (DE)
Title: Ecologically good loudspeaker housings - are made up of hollow fibre-reinforced concrete components, have favourable acoustic properties and are free from standing waves
Inventor: MANKAU DIETER
IPC: H04R1/28
Filed: 1990-02-16
Abstract: In a loud speaker housing made of fibre-reinforced concrete the sound chamber for one or more loud speaker systems is composed of a single or multiple fibre-reinforced concrete hollow parts. The materials used can be given a high gloss finish by means of moulds with e.g. silicone or polyethylene or polyurethane film; the reinforcing fibres are synthetic (e.g. aramid or carbon etc.,) natural (e.g. coir, hemp etc.,) and/or inorganic (glass, wire). The material can also have filler such as flour, chips or particles of stone, rubber, thermoplastic or thermosetting resins, polymer foam, polystyrene foam spherules, wood, paper, clay, metal etc., mixed in or applied to the surface.
Patent DE-4005092-A1 (DE)
Title: Cops prepn. appts. - has centering mechanisms for foot and head of cops sleeve
Inventor: GRECKSCH HANS
IPC: B65H67/08
Filed: 1990-02-17
Abstract: The appts to prepare a cops for unwinding is an assembly (1) with a sleeve centering mechanism (4, 17, 17') for the foot (16') of the sleeve using the separate carrier pallet (4) for the cops (2) and the mounting (17, 17'). A further sleeve centering assembly (26) acts on the head (16'') of the sleeve, connected to the sleeve drive (32). Pref the separate carrier pallet (4) has a holder for the cops sleeve to engage within the foot (16') of the sleeve with sufficient free play to allow the sleeve to rotate round its longitudinal axis. The second sleeve centering mechanism (26) has at least one support body (36) to be brought into contact with the head (16'') of the sleeve, to drive the sleeve through the connected drive (32). At least one of the supports (36) is a rotating body, and can be applied to the side of the sleeve to turn it at the head (16'').  Only one of the rotating supports (36) forms a plug within the sleeve head (16'') or grips round the head (16''). ADVANTAGE - The mechanism accurately centres the sleeve for the operations to remove surplus wound material and detect and detach the end of the wound material.
Patent DE-4014287-A1 (DE)
Title: Emergency medical equipment arrangement in ambulance - separates appts. for immediate or intensive care from monitoring appts. displaying patient's vital functions
IPC: A61G12/00
Filed: 1990-05-04
Abstract: Emergency care and diagnostic appts. are included for stabilising or monitoring characteritic parameters or vital functions, e.g. heart performances, pulse, circulating, blood pressure, oxygen content of blood, breathing, breath pressure. The monitoring parts, displays, screens, adjusters and controls for the diagnostic or emergency care appts, are assembled in the form of a central unit (102). i.e. placed close together and  separated or distanced from the other appts, esp. karge or heavy  parts which have to be connected to the patient via cables, hoses or other leads. The central unit can be mounted in the roof of the ambulance or rescue vehicle, above the patients couch. ADVANTAGE - Rational and easy monitoring and handling.
Patent DE-4014859-A1 (DE)
Inventor: GEKE JUERGEN DR
IPC: C11D1/62
Filed: 1990-05-09
Abstract: The present invention relates to the use of a combination of ionic and non-ionic tensides containing: (a) at least one quaternary ammonium compound of general formula (I): R<1>(-CHOH-CHR<2>)n-N<+>R<3>R<4>R<5> X-, in which: R<1> is a linear or branched alkyl radical with 1 to 22 C atoms; R<2> is hydrogen or a linear or branched alkyl radical with 1 to 21 C atoms; whereby the total number of C atoms of substituents R<1> and R<2> is in the range of 10 to 22; n is 0 or 1; R<3> and R<4> are methyl, ethyl, 2-hydroxyethyl or hydroxypropyl; R<5> is alkyl radicals with 4 to 6 C atoms or phenalkyl radicals with 1 to 3 C atoms in the alkyl radical; and X- is halide or the anion of an organic acid with 4 to 15 C atoms; and (b) at least one alk(en)yl-polyethylene glycol mixed ether of general formula (II): R<6>-O-(CH2CH2-O)s-R<7>, in which: R<6> is a linear or branched alkyl or alkenyl radical with 6 to 18 C atoms or a cyclic alkyl radical with 5 to 6 C atoms; s is a number in the range from 2 to 5; and R<7> is a linear or branched alkyl radical with 1 to 8 C atoms or a benzyl radical; wherein the ratio of the weights of components (a) and (b) is in the range from 20:1 to 1:20; for cleaning hard surfaces.
Patent DE-4017149-A1 (DE)
Title: Ambulance bodywork with platform - has tilting stretcher platform forming tool space hatch
IPC: A61G3/00
Filed: 1990-05-28
Abstract: The bodywork is for an ambulance, particularly one based on a private car, having a platform adjacent to a rear doorway in particular higher than the car floor with a mounting for a stretcher. Below the platform is a space for car tools or accessories. The platform (2) forms a covering hatch (2) for this space (4), and tilts with the stretcher mounting (1) on a horizontal axis (5) clear of the parallel to the door. USE/ADVANTAGE - Simplicity and light weight while providing large single storage space.
Patent DE-4017265-A1 (DE)
Inventor: ZIMMER GUENTHER
IPC: G01L1/14
Filed: 1990-05-29
Abstract: Described is a micro-mechanical component with a substrate and a flat, deformable element disposed parallel to the surface of the substrate and fitted with an electro-mechanical signal transducer. In prior art components of this kind, the deformable element is not electrically insulated with respect to the substrate. They are therefore unsuitable for joint integration with electrical circuits using CMOS technology. The component proposed by the invention is characterized by the fact that the substrate (4) and the deformable element (4) are manufactured from a semi-conductor substrate as one unit and can be insulated from each other electrically. The insulation is preferably in the form of a buried film (3) produced by ion implantation.
Patent DE-4024971-A1 (DE)
Inventor: LISCHEWSKI KURT
IPC: B23Q16/00
Filed: 1990-08-07
Abstract: Holder for workpieces made of metal, plastic or wood, it being possible for the workpieces to be connected to the holder in a fixed position but in a detachable manner for operations such as spark machining, cutting, measuring or the like, in which arrangement the holder has at least one bearing surface opposite a surface of the workpiece, and at least one pressing edge directed towards the workpiece or at least one pressing point directed towards the workpiece is arranged at a distance next to the at least one bearing surface and so as to project above the latter, and clearance portions are arranged between the at least one bearing surface and/or the at least one pressing edge or the at least one pressing point. <IMAGE>
Patent DE-4029505-A1 (DE)
Inventor: PODOLA TORE
IPC: C09J175/00
Filed: 1990-09-18
Abstract: Described are moisture-setting alkoxysilane-terminated polyurethanes which can be obtained by reacting polyurethane prepolymers with a mean NCO functionality of at least 1 but less than 2 with special sulphur-free alkoxysilanes, reacting with essentially all the free NCO groups. Also described is the use of these compounds as sealing and/or adhesive compounds.
Patent DE-4030750-A1 (DE)
Title: Combination triple duty compressor for prodn. of nitrogen@ and oxygen@ - has multiple shaft machine providing compression for feed air, first main stage, and coolant nitrogen streams
Inventor: SCHOENECKER HERBERT ING GRAD
IPC: F25J3/04
Filed: 1990-09-28
Abstract: In the low temp. sepn. of air the feed air (1) is compressed (2), purified (3) and finally cooled (5, 42) before passing to a rectifying column (9) by which it is sepd. into O2 (10) and N2 (19). A recirculant N2 cooling system is maintained by a compressor (27) and a pressure let-down device (30), with a N2 fraction (19, 20, 22) discharging from the column (9) into the first stage compressor (23) which is upstream of the cooling circuit nitrogen recycle compressor (27). The novelty is the use of a single machine to fulfil the duties of the feed air compressor (2), cooling circuit N2 compressor (27) and the first stage compressor (23). USE/ADVANTAGE - Prodn. of O2 and N2 from air using a plant which is more compact and of approximately 50% the capital cost of previous similar plants by virtue of the combination triple duty compressor.
Patent DE-4031339-A1 (DE)
Title: Transportable tank for treating waste water - is divided into three compartments with filters in each compartment
Inventor: HAUSTEIN MIKELA
IPC: B01D24/00
Filed: 1990-10-04
Abstract: Waste water which has been used in high pressure jets for cleaning or for removing waste material is treated in a transportable tank (1). The tank (1) is divided into three compartments (4, 5, 6) by transverse walls (2, 3). Each dividing wall (2, 3) has openings (8, 9) near the tank floor to allow liquid to flow from one compartment to another. The tank (1) has an inlet (7) at one end and an outlet (10) at the opposite with the outlet at a lower level than the inlet.  The end compartments (4, 6) are fitted with horizontal filter beds (11) and (13), whilst the middle compartment (5) is fitted with vertical filters (12). USE - Treatment of waste water.
Patent DE-4032829-A1 (DE)
Title: Vehicle safety belt tightener - has spring on toothed lock first engaging teeth on vehicle mounted guide, then forcing two sets of teeth to interlock
Inventor: WENTKER STEPHAN
IPC: B60R22/195
Filed: 1990-10-16
Abstract: The vehicle safety belt tightener is actuated when a preset acceleration value is exceeded, first tightening then locking the belt. On tightening, locking teeth (8) of a lock (5) are able to slide over cooperating teeth (4) on a vehicle mounted guide (1). To lock the belt, a spring (10) on the lock engages the guide teeth, forcing the lock to pivot and the two sets of teeth to engage. The lock is pivotingly fixed to the belt lock strap (7). ADVANTAGE - Belt locking is assured after tightening.
Patent DE-4037823-A1 (DE)
Title: Working current generating circuit - has current determined by resistor in series with transistor emitter-collector path
Inventor: NUTZ KARL-DIETHER DIPL ING
IPC: G05F3/22
Filed: 1990-11-28
Abstract: The generated working current is proportional to operational voltage and its magnitude is determined by a resistor. The latter is in series with a transistor emitter-collector path. The transistor base current and its collector voltage are so controlled that the current, flowing through the resistor, is proportional to the operational voltage. Pref. the circuit contains a voltage divider related to the operational voltage. The transistor collector potential is so controlled that it corresponds to the potential of the voltage divider dividing point. The collector potential may be compared with that at the dividing point. USE/ADVANTAGE - Current source for integrated circuits, using external resistor for internal working current level control.
Patent DE-4039511-A1 (DE)
Title: Multi-fluted exhaust with converter for I.C. engine - has mixing chamber at entry to converter housing with gas flow perpendicular to flow into converter
Inventor: HOEHL JOHANNES
IPC: F01N3/28
Filed: 1990-12-11
Abstract: A several fluted exhaust unit with converter (2) for i.c. engines has separate exhaust connections (3) on the engine side, which opens into a housing (5) via a mixing chamber (4). The mixing chamber has a lambda-probe (10). The connection (6) of the exhausts is essentially perpendicular relative to teh gas flow (A) out of the mixing chamber, and follows the chamber contour (8). ADVANTAGE - Simplified construction.
Patent DE-4041482-A1 (DE)
Inventor: LOESEL WALTER DIPL CHEM DR
IPC: A61K31/5377
Filed: 1990-12-22
Abstract: The use is disclosed of carbocyclically and heterocyclically annulated dihydropyridines having formula (I), as well as their tautomer forms having formula (II') and (II''), in which A stands for the annulated ring systems (a), (b), (c) and (d) and X stands for OR1, NHR2 or NR3R4, as brain-protecting agents, as therapeutical agents for chronic inflammatory processes and as blood coagulation inhibiting agents. Also disclosed are new compounds having formula (Ie) which is defined in the description and which is included in the general formula (I).
Patent DE-4102345-A1 (DE)
Inventor: DOTZAUER BERNHARD DR
IPC: D21H13/42
Filed: 1991-01-26
Abstract: Mouldings based on fibres (component A), containing  B)from 5 to 25% by weight, based on A, of a polymer made from   b1) from 75 to 99.9% by weight, based on B, of vinylaromatic monomers, methyl methacrylate, methyl acrylate, acrylonitrile, methacrylonitrile, vinyl halide, acrylates and methacrylates of alcohols containing 2 to 12 carbon atoms and/or vinyl esters having up to 20 carbon atoms, where the total amount of acrylates and methacrylates of alcohols containing 2 to 12 carbon atoms and vinyl esters can be up to 20% by weight, based on B, b2) from 0.1 to 25% by weight, based on B, of at least one monomer of the general formula I <IMAGE>  in which     R<1> and R<2> are -H or C1-C4-alkyl,   R<3> is a bridging member having 1 to 20 carbon atoms,   R<4> is -C(O)R<6>, -C(O)OR<6> or -CN,   R<5> is -H, -C(O)R<9>, -C(O)OR<9> or -CN,   X is -O- or -NR<7>-,   Z is a single bond, -CH2-, -O-, -NR<8>- or -O-C(O)-, and R<6>, R<7>, R<8> and R<9> are -H, alkyl, aryl, alkaryl or aralkyl having up to 12 carbon atoms,  and b3) from 0 to 10% by weight, based on B, of further copolymerisable compounds, and the production thereof.C
Patent DE-4104446-A1 (DE)
Title: Ventilation flap for vehicle - includes inner porous fitting to reduce turbulence from moving air
Inventor: BALL WILFRIED
IPC: B60H1/26
Filed: 1991-02-14
Abstract: The roof mounted flap (2) is raised about its front edge into a ventilation position. To prevent undue turbulence at head level, porous bulkheads (8) are fitted inside the flap to even out the airflow. One or more porous fittings can be used. The porous wall can be a fabric stretched betweent he side flanges (7) fitted to the sides of the flap, or a foam rubber fitting. An alternate fitting has a porous inner lining to the roof, which does not move upwards with the flap. USE/ADVANTAGE - Ventilation flap for vehicle giving reduced draughts and improved comfort for passengers.