baber/WOPTO huggingface dataset:
Patent DE-3924814-A1 (DE)
Title: Electromagnetic servo valve for vehicle hydraulic system - produces variable hydraulic pressure using electrical control signal in coil to move operating element coupled to slide
Inventor: MAGNUSSEN GERHARD DIPL ING
IPC: F16K31/06
Filed: 1989-07-27
Abstract: The valve (1) has an operating element with a  first section (11) opposite a slide (3) and passing through a toroidal coil (6). This section is nonmagnetic and is connected to a second section (12) which acts as magnetic return and faces away from the slide (3) and passes at least partly through the  toroidal coil (6). The coil has a screen (24) restricting stray magnetic fields and screening the lines (21-23) of the hydraulic medium from the coil. The first section and  are one piece. The slide's casing (2), the slide (3) and the first section have the same coefficient of thermal expansion. The two sections are releasably or permanently connected together. ADVANTAGE - Reliable.
Patent DE-3927262-A1 (DE)
Inventor: BALKE KARL HEINZ
IPC: B26D1/00
Filed: 1989-08-18
Abstract: In a circular or arc-shaped cutter, a multiplicity of cutting teeth (1) having concave cutting edges (2) and intermediate tooth spaces (3) are present, each bottom land (4) ending in opposite tooth flanks (5, 6). To achieve a long service life and good cutting quality of the cutter, the tooth flanks (5, 6) of each cutting tooth (1) are approximately the same length and the tooth flank (5), located at the front in the cutting direction, of each cutting tooth (1) being bevelled. <IMAGE>
Patent DE-3932246-A1 (DE)
Inventor: BILITEWSKI URSULA DR
IPC: G01N27/403
Filed: 1989-09-27
Abstract: The invention concerns a measurement electrode arrangement for making measurements in liquids. The measurement electrode arrangement comprises a working electrode, an auxiliary electrode and a reference electrode, which are made of metal and are incorporated in a carrier of plastic material. With this arrangement, no electrolytic bridges are required, and the dimensions can be very considerably reduced.
Patent DE-3936862-A1 (DE)
Inventor: MEFFERT ALFRED DR
IPC: D06M13/244
Filed: 1989-11-06
Abstract: The invention relates to novel mono and/or bi-ethers and mono and/or bi-esters of thiodiglycol sulphates and/or sulphones of the general formula (I) in which X1 and/or X2 are especially beta-hydroxyl-substituted alkyl residues and/or acyl residues of alkyl monocarboxylic acids with 8 to 30 C atoms and z is the number 1 (sulphates) or 2 (sulphones). Also described is a process for making the thiodiglycol compounds of the invention and their optimum use as finishing components in textile washing and/or rinsing agents, especially in rinsing finishing, in the form of an aqueous mixture of active substances.
Patent DE-3939246-A1 (DE)
Title: Spark discharge device esp. for hydraulic lithotripsy - includes two spaced electrodes with cladding of heat resisting electrically insulating material and shock wave generator
Inventor: LACRUCHE BERNARD
IPC: H01T2/02
Filed: 1989-11-28
Abstract: The two electrodes (134, 136) arranged at a distance m from each other, form a part of a current supply circuit, whereby the distance between the electrodes (134, 136) is sufficient for an interruption of the circuit. A spark generator is included esp. an ignition electrode (138), which facilitates the closing of the current circuit between the electrodes (134, 136) with the spark generation. At least one part (154) of the housing (128) is produced from electrically insulating material such as plastic, whereby inner walls of the part (154) are covered with a cladding (162) of heat resisting electrically insulating material.  The heat resisting electrically insulating material is a ceramic material or a compound material, esp. a ceramic compound material. ADVANTAGE - Simple design with small dimensions which can be cost effectively produced. Working life longer than that of conventional unit.
Patent DE-3942427-A1 (DE)
Inventor: RETTENMAIER HELMUT DIPL ING
IPC: H02J9/06
Filed: 1989-12-21
Abstract: For the construction of cost-effective, interruption-free power supply units, which have switched-mode power supplies operating in accordance with the current-supplied push-pull converter principle, with a mains transformer as a mains isolating device and with an inductor coil, connected upstream of the mains transformer in series, as the basis, it is proposed to use the mains transformer for supplying standby power in the event of failure of the regular mains AC voltage, to be precise in such a manner that the standby power is supplied in via additional primary windings and, according to a development, via the secondary windings of said transformer. <IMAGE>
Patent DE-4005207-A1 (DE)
Inventor: LUECKE ROLAND DR ING
IPC: A61J3/06
Filed: 1990-02-20
Abstract: The device disclosed, designed for film-coating and/or sugar-coating, has a housing containing a rotatably mounted drum (23). Fitted to the drum opening are attachments. The attachments, e.g. the front panel (3) and the spraying unit (6), can be displaced, using auxiliary equipment fitted on the device, away from the drum (23).
Patent DE-4006032-A1 (DE)
Title: New aryl hydrazide cpds. contg. quat. nitrogen substit.
Inventor: RUEGER REINHOLD DIPL CHEM DR
IPC: G03C1/06
Filed: 1990-02-26
Abstract: Aryl hydrazides Ar-NR-NR1-G-X(+)A(-) (I) used in photographic Ag halide (AgX) materials for producing images with ultra-steep gradation; and new aryl hydrazides are of formula (IA) where Ar = substd. phenyl or another opt. substd. aryl gp.; G = CO, SO, SO2, PO2, PO3 or C=NR2; X(+) = a radical contg. a cationic gp.; R, R1 and R2 = H, 1-6C alkyl or 1-6C alkylsulphinyl; A- = an anion; R1-5 = 1-5 substit(s)., i.e. alkyl, hydroxyalkyl, haloalkyl, alkoxy, alkylamino, aliphatic acylamino or cycloalkyl with 1-20C; aryl, aryloxy or aromatic acylamino with 6-10C; aralkyl or aralkoxy with 1-3C in the alkylene chain; or a 1-4C aliphatic acylamino gp. substd. by phenoxy, opt. with 1-10C alkyl substit(s).  Q(+) = trialkylammonium, pyridinium-1yl or N-alkylpyridinium-m-yl with m = 2, 3 or 4 or thiazolinium-3-yl or N-alkylthiazolinium-m-yl with m) 2,4 or 5, in which thge heterocycle may have other alkyl substits. opt. with OH or SO3H substits. with max. 12C; in the case of trialkylammonium, two gps. attached to the quat. N can form a 3-12 membered ring; B = a bridge with 1-3 methylene gps; opt. with Me or Et substits., or, if Q(+) = N-alkylpyridinium-m-yl or N-alkylthiazolinium-m-yl, B may also = O or a single bond; A(-) = anion, which is absent if Q(+) contains a SO3H gp.
Patent DE-4014761-A1 (DE)
Title: Hardening workpieces - using computer to determine optimum heating and material transformation condition and quenching speed via expected movement of carbon
Inventor: KUEHN FRIEDHELM DR ING
IPC: C21D11/00
Filed: 1990-05-08
Abstract: Method of hardening workpieces with a predetermined hardened depth consists of recording the alloy components in the workpiece and its heating up circumstances, as well as the governing heating and material transformation conditions and using these values to calculate the structure components and quenching speed required to obtain the required hardened depth. The optimal heating and material transformation parameters as well as the quenching speed are calculated under consideration of the expected carbon movement and the optimum values used in the process.
Patent DE-4018480-A1 (DE)
Title: Manual pressing tool - esp. for rubber lining steel or concrete vessel
Inventor: FRANZ MARTIN
IPC: B30B3/00
Filed: 1990-06-09
Abstract: A device for pressing esp. rubber foil onto the wall of a steel or concrete vessel or the like has a manually pressed and rotated disc with three or more rotatably mounted and spaced balls which project beyond the pressing face of the disc. USE/ADVANTAGE - The device is useful for rubber lining of steel or concrete equipment used in the chemical industry. It ensures continual application of a predetermined minimal pressure, is easy to manipulate and reduces the rate of operator fatigue.
Patent DE-4022254-A1 (DE)
Inventor: DOGAN ALI
IPC: F03B17/00
Filed: 1990-07-11
Abstract: The invention concerns a device for generating energy from a moving fluid, especially water, in which there is a container (3) partly filled with a fluid and arranged to oscillate about an axis (4); an oscillation generator (8) by means of which the container can be caused to oscillate from a neutral position of rest about its axis; a spring arrangement (17) arranged at a distance (a) from the axis which is engaged or engages with the container when it is taken out of its position of rest; and a converter (21) by means of which the oscillating tipping movement of the container about the axis can be converted into a rotary movement.
Patent DE-4023230-A1 (DE)
Title: Rotary tube for processing bulk material - has ring bearings for drive, connected to tube so that different tube diameters caused by heat expansion are accommodated
Inventor: VITS REINHARD
IPC: F27B7/20
Filed: 1990-07-21
Abstract: On a ring (3) are fitted retention shoes (13), evenly distributed around its circumference, and which are connected to it so that they can move radially inwards. The side of one of each retention shoe facing the ring has a pressure surface running inclined in a circumferential direction. At least one ring-shaped tensioner (18) is provided, which is formed movably in relation to the ring. It is connected to radial inwardly directed pressure shoes which support against the pressure surface of the retention shoe. Between the ring and the tension component, springs (19) are fitted acting against the inclined pressure surface of the ring. USE - As a rotary tube for processing bulk materials.
Patent DE-4024053-A1 (DE)
Title: Absorbent products for use in hygiene e.g. pads - comprises various thermoplastic binding fibres made with specific densities over cross=section by air deposition, heating and compressing
Inventor: PETRANYI PAL DIPL CHEM DR
IPC: D04H1/54
Filed: 1990-07-28
Abstract: An absorbent article is for use in hygienic prods. made of thermoplastic binding fibres or mixts. of thermoplastic binders and viscose staple, cotton, flock and/or artificial fibres in the form of individual absorbent pads or sheets which have parts with different densities distributed over the cross-section. The article has three such parts making up one integral layer, namely two outer areas of density 0.005-0.1 g/cm3 and a centre area of density 0.05-0.3 g/cm3. Prefd. structures incorporate polyester/polyethylene staple fibres. USE/ADVANTAGE - For sanitary prods. The prod. has good liq. absorption and liq. distribution when its thickness is of the order of 1 or a few mm. In an example, a fabric of 150-500 g/m2 is made by aerodynamically depositing polyester-polyethylene staple fibres 20-100mm long with a titre of 1.7-20 dtex. This is heated with air at 150-250 deg.C and consolidated to about 1/4 original thickness, e.g. by cold rollers, etc. An originally 30mm thick material, heated 20 secs. in an air draught oven at 150 deg.C, is reduced to 13mm. While still warm this is pressed between steel plates with smooth finish and at room temp. Pressing for 26 secs. reduced the thickness further to 7mm. This was bonded to a sheet of non-woven fabric and reduced to 2mm thickness. The liq. absorption of the prod. was over 1.0g per article; its elasticity was 94% and porosity to air was above 10 1/10cm2 under 0.2 kpa pressure.
Patent DE-4024331-A1 (DE)
Title: Sorter, distributor and transporter for packaging units - consists of main and parallel subsidiary conveyor belts with suction pads and release unit
IPC: B65B21/04
Filed: 1990-07-31
Abstract: The sorter, distributor and transporter for packaging units, such as plastic bottles (2), crates, and cartons, conveyed along a horizontal main conveyor belt (4) incorporates an overthrust section controlled by a release unit (3). The overthrust section is in the form of a continuous conveyor (9) with suction-nipples (10) controlled by the release unit (3) positioned over its entire length. Conveyor belts (5, 6) run parallel to the main conveyor belt (4). USE/ADVANTAGE - The sorter, distributor and conveyor can take small and large packaging units.
Patent DE-4030523-A1 (DE)
Inventor: RIESE-MEYER LOERT DE DR
IPC: C09D5/10
Filed: 1990-09-27
Abstract: The invention concerns an aqueous corrosion-protection agent containing essentially zinc dust and/or flakes as well as, optionally, emulsifiers and organic solvents. The invention also concerns a two-stage method of procucing corrosion-proctection films on phosphated metal surfaces. The first stage comprises treatment with the new corrosion-protection agent, while the second stage comprises the application of a suitable bonding agent,
Patent DE-4033372-A1 (DE)
Title: Purifying heavily contaminated waste water freed from solids by anaerobic fermentation
Inventor: MARX RAINER DR
IPC: C02F3/28
Filed: 1990-10-18
Abstract: In purifying heavily contaminated waste water, largely freed from solids, by anaerobic fermentation in an up-flow stepped reactor using known packings of various types, waste water with less than 6% solids flow for 3-24 hr. through a number of layers of closed- and open-pore packings, according to the required degradation in total solids, chemical O2 requirement (COD) and biological O2 demand (BOD5), with the layers immobilising biomass. The packing layers and the liq. zones over them are arranged in a determined ratio and the layers are held in stable flow. The organic components are converted into biogas with above 80% CH4 content, at a COD conversion of above 85% and BOD5 conversion above 95%.
Patent DE-4040321-A1 (DE)
Title: Container for transporting tubular workpieces - comprises half shells placed at distance to each other with open end up so they can be adapted to suit length of workpiece
Inventor: WEERTH HANS ERNST DIPL ING
IPC: B65D85/20
Filed: 1990-03-17
Abstract: The container is constructed from two half-shells (1,1'). Each half-shell has a turned-up edge (3,3') formed on three sides and is positioned with the open end upwards. The shells are placed at a distance from each other corresponding to the length of the workpieces of a given batch. Straps (6) and (9) which run in horizontal guide channels (4) and (5) hold the two half-shells together and the workpieces are secured by a third strap (11) which runs transversely to the workpieces. Each half-shell is provided with feet (12) which enable one container to be stacked upon another and also enable the containers to be handled by a fork-lift truck. USE/ADVANTAGE - Containers which can be adapted to suit length of workpiece.
Patent DE-4102774-A1 (DE)
Title: Encodable plug and socket connector - prevents two parts fitting together unless their corresp. coding elements match
Inventor: BECKMANN RALF
IPC: H01R13/645
Filed: 1991-01-31
Abstract: An encodable connector comprises fixed (1) and movable (3) plug parts connectable together and encoding elements (7). Each plug part has a number of recesses (8) corresp. to the number of encoding elements (7). All the recesses are always occupied by the latter, which can be put in two different precise positions: the encoding position and the nuetral position. In the neutral position the elements (7) of one part (1,3) do not overlap with those of the other part when the two parts are joined. In the encoding position the elements of the two parts overlap. Therefore, when at least two associated elements (7) are in the encoding position, it is not possible to fit the two parts together. ADVANTAGE - Construction simplified and coding made easier.
Patent DE-4103010-A1 (DE)
Title: Heat recovery system in building - involves forming cavities surrounding building through which air or liq. heated by sun is circulated
Inventor: SCHMIDT ULRICH
IPC: F24D5/10
Filed: 1991-02-01
Abstract: The heat recovery system involves the use of a closed circuit of either air or liq. to surround a building. Cavities are formed (2, 3, 6, 7) by insulation (4, 9) and a ventilation shaft (7) from the top to the bottom. The ventilator (1) provides the forced circulation, and the air in the cavity (3) under the roof is heated by the sun, shutters (5) controlling the air flow. USE/ADVANTAGE - A low cost heating system for a building with no maintenance costs.
Patent DE-4103954-A1 (DE)
Title: Locking and regulating valve for water fitments - has housing with axial inlet, radial outlet, valve seating disc, valve regulating disc and seal
Inventor: WAGNER FRIEDRICH DIPL ING
IPC: F16K3/08
Filed: 1991-02-09
Abstract: The locking and regulating valve, especially for water-fitments, has a housing (1) inserted into the fitment (6) and possessing at least one axial inlet (10) and radial outlet (11). A valve seating disc (2) has at least one through-hole (21) in, and is held immovably in the housing (1) crosswise to its lengthwise axis. A rotary valve-regulating disc (3) is on the flow-upside of the valve seating disc (2). A seal (5) between the fitment (6) inflow duct and the housing (1) is contained mostly by the inlet (10) and consists of an elastomeric sealing ring (51) and a rigid support ring (52) resting on a collar in the housing (1). USE/ADVANTAGE - When the seal is tightened, the sealing ring is pressed radially against the housing wall.
Patent DE-4104249-A1 (DE)
Title: Drawing system for spinning machines - has two pressure rolls forming clamping lines with delivery roll and joined via rocker arm
Inventor: STAHLECKER HANS
IPC: D01H5/22
Filed: 1991-02-13
Abstract: A drawing system for spinning machines incorporates a delivery roll associated with two pressure rolls, which form two clamping lines with the delivery roll. The lines succeed each other in the running direction of the sliver. The two pressure rolls are joined to each other via a rocker arm, which tilts round an axis that is parallel to the pressure rolls. ADVANTAGE - The two clamping lines by the delivery roll are constantly effective so that gliding movements are eliminated between the fibres and the delivery roll
Patent DE-4107275-A1 (DE)
Title: Dispenser for powdered materials - has spirally curved inside wall in mixing chamber for even mixing of air and powder
Inventor: CALLAHAN GEORGE EDGAR PROF
IPC: B05B7/00
Filed: 1991-03-07
Abstract: The dispenser for powdered materials comprises a compressible container (1) and a spray head (13) with a mixing chamber (3) set in front of an outlet opening (9). The mixing chamber (3) which is connected to the inside of the container by two channels (4, 5) has an inner wall (8) which is curved round the centre axis (10) of the outlet opening (9). The two channels open on a plane across the centre axis directed tangentially into the mixing chamber. A conical restriction can be provided betweent he mixing chamber and the plane of the outlet opening. ADVANTAGE - When operating the dispenser the mixing chamber causes an even mixing of the air and powder irrespective of which channel introduces the material into the chamber.
Patent DE-4107554-A1 (DE)
Inventor: OTSUKA YOSHIKI
IPC: A61K38/19
Filed: 1991-03-08
Abstract: A pharmaceutical composition and a method for its use in the treatment of severe chronic inflammatory diseases, such as demyelinatig disease, uveitis and graft-versus-host disease are provided. The composition comprises tumor necrosis factor as an active ingredient and at least one pharmaceutically acceptable carrier, diluent or excipient.
Patent DE-4109752-A1 (DE)
Title: Side door for motor van - has upper edge hinged to roof panel which is hinged to central beam
Inventor: DUENSCHEDE ERNST
IPC: B60J5/04
Filed: 1991-03-25
Abstract: A motor van has a side door (10) which is attached by a hinge along its upper edge to the van roof (11). The roof is formed from two panels which are hinged to a central longitudinal beam (13). The side door (10) is swung outwards and upwards by a swinging arm (14). The swinging arm is pivoted at its upper end to the end wall of the van body and is actuated by a hydraulic cylinder (15). As the side door is swung upwards, the roof panel is swung upwards and over the other roof panel to provide easy access to the van interior. USE/ADVANTAGE - Door for motor van. The method of opening enables the van to be loaded or unloaded by a fork-lift truck.
Patent DE-4110473-A1 (DE)
Title: Investigating relative material effects by characteristic wavelengths - ascertaining characteristic factors such as transmission, dispersion, reflection by spectrophotometry
Inventor: HESS CHRISTIAN DR ING
IPC: G01N21/17
Filed: 1991-03-30
Abstract: A  microcomputer (1) is connected to a control circuit (5) controlling drive stages (7) for radiation transmitters (8) of various spectra via a multiplexer (6). These transmitters are controlled sequentially and emit at least part of their radiation in the medium to be measured (4). Radiation receivers (9) convert at least part of the transmitted, dispersed or reflected radiation into an electrical value which is amplified (10) and extended to a measuring range charge-over switch (11). The latter is under the control of a control circuit (5) via the first microcomputer. This electrical value is also presented to a filter (12) as well as a sample-and-hold circuit (13) and an A-D converter (14) which are both subject to the  control circuit. The microcomputer and a static RAM (15) are in parallel with the A-D converter. USE/ADVANTAGE - In industrial process or research to ascertain opacity, isobaric points and equilibrium dependent spectral sections. Sychronised alignment and detection of signals.  Simple 380 point correction. Coupling to higher order computers.
Patent DE-4111895-A1 (DE)
Title: Liq. pouring device - has spout hinging to form compressible sealing lip between inlet and outlet
Inventor: LASKOWSKI SIGISMUND
IPC: B65D47/22
Filed: 1991-04-12
Abstract: The equipment contains liquid and pours it into and out of a dispensing vessel, having a sealing cap with hinging pouring spout or lug, and moved between the open and shut positions by external force. The spout or lug (10) is hinged or bent so as to form between the liquid inlet and outlet a compressible sealing lip (4). It can hinge in several pouring and sealing areas, typically three in all. In the first of these, the flow is shut right off, and in the second flow takes place, but the spout is automatically shut off. In the third, there is no automatic shut-off. ADVANTAGE - Ensures proper sealing irrespective of material wear or fatigue.
Patent DE-4113526-A1 (DE)
Title: Roller bearing - has one or more working parts coated with hard corrosion resistant material, typically chrome or tantalum carbide
Inventor: HOERBURGER RUDOLF
IPC: F16C33/34
Filed: 1991-04-25
Abstract: The roller-bearing has one or more rows of rollers working between two races. They, and one race at least, are of hardened steel suitable for roller bearings. The rollers and races form the working parts. One at least of these parts has a protective coating of hard corrosion-resistant material. The bearing can support an idler wheel on a shaft, and this or the shaft can form one race. Chrome or tantalum carbide can be used as the coating, and the rollers can be housed in a cage whose pockets allow no free movement in the peripheral direction, the cage of polyether sulphone with glass fibre. ADVANTAGE - Low rate of wear.
Patent DE-4116306-A1 (DE)
Title: Securing rail to two parallel cross-sleepers - using pre-mounted fitting watch will accept various screen size and is electrically insulated
Inventor: FASTERDING GUENTER
IPC: E01B9/30
Filed: 1991-05-15
Abstract: The steel railway track (1) is mounted on a pair of steel cross beams (24, 28). The upper webs of the cross-beams are welded together with a plate, through which an opening is let. A shaped insulated fitting (10) receives a screw fitting which secures a W-shaped spring clip (7). USE/ADVANTAGE - Fastening for railway track can be pre-mounted to rails, accepts a wide variety of fixing screw sizes, and it is easy to repair isolated, damaged fitting.