baber/WOPTO huggingface dataset:
Patent DE-2901835-A1 (DE)
Inventor: KNOBLAUCH WOLFGANG
IPC: C10M111/02
Filed: 1979-01-18
Abstract: 1. Brake fluid for motor vehicles consisting of A) from 10 to 30 % by weight of at least one boric acid ester of the formula I  see diagramm : EP0013925,P6,F1  in which R and R1  are alkyl of from 1 to 4 carbon atoms, and x and y are 2 or 3, B) from 50 to 80 % of at least one diluent selected from the group consisting of ethylene glycolmonoalkyl ether of the formula II R2 (OC2 H4 )n -OH in which R2 is alkyl of from 1 to 4 carbon atoms and n is an integer of from 1 to 4, C) 5 to 10 % of at least a further diluent according to formula III  see diagramm : EP0013925,P6,F2  in which R3  and R4  are alkyl of from 1 to 4 carbon atoms, R5  is hydrogen or methyl and z is an integer of from 1 to 10, D) 1 to 10 % of at least one inhibitor and E) 5 to 18 % of at least one lubrifiant according to formula IV  see diagramm : EP0013925,P6,F3  in which R6  is hydrogen, methyl or ethyl and m is an integer of from 2 to 10, percents by weight relative to the weight of the fluid.
Patent DE-2902596-A1 (DE)
Title: Bottle handling machine empty cell detectors - has cam driven rake with tines inserted in cells and releasing pulses for drive motor control
Inventor: HECKMANN WERNER
IPC: B08B9/42
Filed: 1979-01-24
Abstract: The equipment detects empty cells accommodating bottles in a processing machine, the bottles being passed in a number of rows through the individual processing stations, and loading and discharge stations being provided for each row. Between the stations is a rake-shaped detector member (1'), whose tines (1) can be inserted in the cells (8). If one of these is still full, the member triggers a pulse providing a delay for halting the drive mechanism moving the cells. The detector member has a plunger action moved by a rolling member (6) in contact with the profile surface of a small cam (7) which is in abutment with a large cam (9) which also has a profile edge to operate the motor drive switch (12).
Patent DE-2912101-A1 (DE)
Title: Stoichiometrically operated oil burner - has air blown into chamber to create cyclone for drawing fuel oil through needle valve into chamber
Inventor: GRAAT JOAHNNES WILHELMUS
IPC: F23Q7/08
Filed: 1979-03-27
Abstract: Liq. fuel (31) and air (40) for combustion are fed in a constant ratio into a mixing and vaporisation chamber (43) in which the air forms a cyclone creating suction which draws fuel (31) into a chamber via the axis of the cyclone. The burner power is pref. controlled exclusively by the metering of air into a chamber, esp. to create a reduction in pressure of -0.04 to -0.1 bar at the fuel inlet in chamber (43). Fuel is pref. fed into chamber as a steam 0.5-0.2 mm dia. The air is pref. fed at 40-250 m/second into the chamber at 90 deg. to the fuel stream. The burner can have a chamber with 3-20, esp. 12, inlet holes or slots for air on its periphery.
Patent DE-2912304-A1 (DE)
Title: Removal of pollutants from gas stream - using regenerative combustion system with packing to recover heat from exhaust gas
Inventor: TSURUTA HIDEMASA
IPC: F23G7/06
Filed: 1979-03-28
Abstract: Gas treatment system consists of a cylindrical vessel divided into two or more compartments. At the base is a support grid with a gas distribution chamber below and a packed bed above. There is a gas inlet or outlet branch on the distribution chamber. Right at the top of the vessel is a burner. A central core is also part of the design and the burner fires down towards this. Gas entering from one side must pass up and through the burner, leaving by passing through the packed bed. Used for removing contaminants and toxic pollutants from air and other exhaust gas streams. Method allows sufficient heat to be added to the gas stream to achieve complete combustion of the various contaminants with a minimal residence time (e.g. 0.5 sec.).
Patent DE-2915374-A1 (DE)
Title: Cable sheath tightness testing - by enclosing tracer gas carrier and heating in presence of gas detector
Inventor: ARTBAUER JAN DR ING
IPC: H01B13/26
Filed: 1979-04-14
Abstract: The closed sheath of insulated cables or pipelines is tested for water tightness by adding to the insulant, before the sheath is formed, a source of tracer gases, i.e. electronegative gases or halogen containing gas. The vapour pressure is raised by heating, and a gas detector (sniffer) is used to respond to any leakage. The tracer gases or liquids can be added in conjunction with carriers such as soot or zeolites. One pref. carrier is polyurethane foam, in which its blowing agent is used as a tracer gas. This method is successful even after the cables or pipelines have been sealed longitudinally.
Patent DE-2919518-A1 (DE)
Title: Ethanol prodn from sugar cane - by steaming cane chips prior to fermentation with yeast
Inventor: UTIKAL HANS DR
IPC: C12P7/06
Filed: 1979-05-15
Abstract: Ethanol is made from sugar cane by first cutting the cane into chips and treating these with steam at 0.5-5.0 atmos., esp. 2.0 atmos., for 5-45 mins., esp. 15 mins. The material is then cooled to is approx. 30 degrees C and subjected directly to ethanol fermentation by addn. of a suitable yeast. Fermentation is continued for 18-48 hours, pref. 24 hours. The steam treatment opens the sugar-contg. cells and allows the material to be fermented directly. Continuous processing is possible. The ethanol is recovered by distn. and is useful as substitute for mineral oil as a fuel.
Patent DE-2920773-A1 (DE)
Title: Opto-electronic sensor circuit - has two separately adjusted photodiodes controlling integrated evaluation loop
Inventor: GEHRING GERHARD DIPL ING
IPC: H01L27/144
Filed: 1979-05-22
Abstract: Adjustment of the opto-electronic sensor to different spectral sensitivities and requiring little space together with the integrated analysing circuit is facilitated by an additional photodiode. Both diodes are exposed to the tested radiation and their pn junction is at different distances from the irradiated surface. The weights of signals from the diodes to the evaluation circuit are separately adjustable. In the case of an analog adder the currents of the two diodes are subtracted and the sign is taken care of by the inverter circuit. The electrical characteristics can also be used in active RC filter including an operational amplifier.
Patent DE-2926247-A1 (DE)
Title: Vehicle braking indicator operated independently of brake pedal - using inertia mass to operate warning switches for rear lights etc.
Inventor: FRIEDRICH VOLKER
IPC: B60Q1/44
Filed: 1979-06-29
Abstract: The braking indicator uses an inertia switch comprising an inertia mass (3) movable along a guide path (13) parallel to the direction of movement of the vehicle against a return spring (5). At least one warning switch (6) is positioned along the guide path, for actuation by the inertia mass to operate different signalling devices, e.g. the vehicle rear brake lights. Pref. the guide path is defined by a central rod along which the inertia mass slides, or by a hollow cylinder (13), with the inertia mass (3) in the form of a piston within the cylinder (13). The latter may be of insulating material with contact rail sections (6) for the warning switches embedded in its internal surface.
Patent DE-2927230-A1 (DE)
Title: Polarising glass foil mfr. - by adding prefabricated carbon needles to glass melt and drawing foil from melt
Inventor: GRABMAIER JOSEF DIPL PHYS DR
IPC: G02B5/30
Filed: 1979-07-05
Abstract: Polarising foils for use in liquid crystal displays are made of a carrier glass in which elongated parallel needles of electrically conductive material are embedded. The needles are prepared beforehand and are added no later than when the glass is in its fused state prior to the drawing of the foil from the melt. Pref. the needles are of carbon or a material with the same or lower conductivity, i.e. cadmium stannate, indium oxide, tin oxide or a mixt. of both oxides. The foil has a thickness of max. 100 microns and is applied to a support plate or a reflecting substrate. Arrangement eliminates separate external polarisers which bleach after a time and make the display cell useless. This integrated polarising glass can withstand the frame soldering temp. and is robust enough to act as a carrier plate itself.
Patent DE-2931897-A1 (DE)
Inventor: ENGELHARD FRIEDRICH DIPL CHEM
IPC: C08F220/58
Filed: 1979-08-06
Abstract: Outstandingly suitable drilling mud additives are water soluble copolymers consisting essentially of a random distribution of (a) 5 to 95% by weight of units of the formula   <IMAGE>   (b) 5 to 95% by weight of units of the formula   <IMAGE>   and (c) 0 to 80% by weight of units of the formula   <IMAGE>   wherein R1 and R2 are the same or different and each is hydrogen methyl or ethyl; and X(+) is a cation.
Patent DE-2934677-A1 (DE)
Title: Thermally insulating mineral fibre prods. - which contain particles absorbing infrared radiation, improving the insulating properties
Inventor: HARI PETER DR
IPC: C04B26/02
Filed: 1979-08-28
Abstract: The raw material for the prods. consists of oxides, esp. silicates such as minerals and/or blast furnace slag, which are melted and converted into fibres by any known method. The fibres are made into mats, panels or felt, possibly after adding organic binders, and are used for all types of thermal insulation. In mfg. the prods., an addn. is made of 30-3000 g/cu.m. of evenly distributed particles (I) which strongly absorb infrared radiation (IR) and have max. size 5 mum. The result is that IR is absorbed several times/cm in passing through the prod.; and the particles re-emit the energy as heat. Particles (I) are pref. metals, alloys, or metalloids such as carbides, borides, nitrides or silicides. For example, with a lightweight mineral fibre panel of density 20 kg/cm.m., the thermal insulating properties can be improved by 10-20%.
Patent DE-2937449-A1 (DE)
Title: One man towed road cutter - has direction setting unit coupled to tractor's steering, operated from driver's seat
IPC: E01C23/088
Filed: 1979-09-15
Abstract: The cutter roller, and a control position for its various functions, are supported by a working platform held by a standard-type light tractor, in a machine cutting road surfaces. Use is made of a device for setting the direction of travel (30) which can be mechanically coupled to the light tractor's (10) steering assembly (28) and activated from the control position (16). With a steering assembly incorporating two levers, the setting device can comprise a hydraulic cylinder drive unit, with remote control from the control position. One operator can carry out cutting work alone.
Patent DE-2943997-A1 (DE)
Title: Shipwrecked seaman survival capsule-suit - has airtight and watertight trousers with lifebelt, sealing against plexiglass hood and includes face port
Inventor: LOPATKA JOSEF
IPC: B63C9/06
Filed: 1979-10-31
Abstract: The survival capsule-suit for shipwrecked seafarers is buoyant, airtight and watertight. It has trousers made of ultra-strong woven fabric, oil- and seawater-proof and embodying thermal insulation with an annular lifebelt around the opening. The belt has two brace-straps and a central support-strap, and a light alloy/plastics ring on top embodying a seal. Completing the capsule is a 60 cm (approx) high hood of rigid plexiglass (RTM) with a ring and seal around the base like the lifebelt to which it is clampable. The hood has sleeves made of the same material as the trousers, and, head-high in the front, an openable port.
Patent DE-3019081-A1 (DE)
Inventor: MUELLER GERD
IPC: B42C9/00
Filed: 1980-05-19
Abstract: The apparatus contains a bearing web (1), at one end of which a doctor blade (3) for glue is arranged and at the other end of which a resilient sensor plate (4) is arranged. Furthermore, the bearing web (1) bears a measuring device (6) fixedly connected thereto, on which is displayed the lifting movement of the sensor plate (4) over which a book block (8) is passed. The setting of the necessary adhesive layer thickness is undertaken by a vertical adjustment of the sensor plate (4). The values displayed by the measuring device (6) are equivalent to the values in a table which result from parameters influencing the strength of the book block. By means of this apparatus, a uniformly high strength of the glued book block in use is achieved with the minimum possible consumption of adhesive. <IMAGE>
Patent DE-3020152-A1 (DE)
Title: Pilot controlled hydraulic valve - uses pilot valve with proportional solenoid for controlling flow to coupled actuator
Inventor: BARTHOLOMAEUS REINER
IPC: F15B13/043
Filed: 1980-05-28
Abstract: A pilot controlled hydraulic valve system is used to maintain a constant speed of operation of a coupled actuator. The main control valve (3) has a spool (5) that regulates the flow from a pump (1) to a load actuator (10) over a valve port (7). In the neutral position the spool is biased into the 'off' position by a coil spring (8). Movement of the piston and the consequent adjustment of the flow rate is controlled by a control flow (19) applied to the topside of the piston. The control flow is provided by a pilot valve (4) that regulates the flow from the supply (2). A spool (13,14) is moved by a proportional solenoid (17) that reacts to a position signal generated by an inductive transducer (23) built into the main valve.
Patent DE-3032532-A1 (DE)
Title: Dumb=bell shaped pipe cleaning plug - has resilient spherical parts joined by neck containing metal connecting sleeves and sealing ring
Inventor: SKIBOWSKI HUBERT
IPC: B08B9/055
Filed: 1980-08-29
Abstract: The cleaning plug which is forced through a pipeline consists of two spherical members made of a resilient material having a Shore hardness between 50 and 65, joined by a necked region. Each spherical member contains a metal sleeve (18) to carry a connecting ring (20) with a flange (21) round it, supporting a metal sealing ring (22). The distance between the centres of the two spherical members is the same or slightly less than the inside diameter of the pipe. The diameter of these members is approximately between one and five percent of the inside diameter of the pipe. An alternative design uses a one piece dumb-bell shaped plug.
Patent DE-3035225-A1 (DE)
IPC: E03F7/10
Filed: 1980-09-18
Abstract: 1. A sewer-cleaning vehicle comprising : a sludge tank which is at a negative pressure in operation and into which a suction line lowerable into the sewer to be cleaned extends ; cleaning water tanks (B1, B2) to supply a high-pressure pump (55) which delivers the water to a hose fitted with a nozzle head and lowerable into the sewer to be cleaned ; and a filter facility (35) via which precleaned water accumulated in the sludge tank can be supplied to the cleaning water tank, characterised in that at least two parallel-connected water tanks (B1, B2) are provided, each of which is connectable, by way of inlet and outlet stop valves (40, 41; 44, 45) provided in parallel-connected top entry and bottom outlet connections (38, 39; 42, 43), to the output (37) of the filter facility (35) or to the output (54) of the highpressure pump (55).
Patent DE-3036443-A1 (DE)
Title: Head rest for vehicle seats - has padded metal frame with cord or plastic reinforcement within padding
Inventor: BRUENIG MATTHIAS DIPL PHYS
IPC: B60N2/48
Filed: 1980-09-26
Abstract: The headrest for vehicle seats consists of a rectangular metal frame fitted on the seat back and covered with plastic foam padding. A plastic or cord reinforcement piece is fitted inside the padding but is not connected to the frame. The cord ends lie together at any point within the frame but are not knotted together. This method has the advantage that it is not necessary for work on the frame to be done to fine tolerances and that the frame width can be easily altered by hand by a few millimetres without requiring mechanical aids.
Patent DE-3041251-A1 (DE)
Inventor: UPADEK HORST DIPL CHEM DR
IPC: C11B9/00
Filed: 1980-11-03
Abstract: 1. Methyl-4-oxatricyclo [5.2.1.0**2,6 ]-dec-8-en-3-one corresponding to formula I and methyl-4-oxatricyclo [5.2.1.0**2,6 ]-decan-3-one corresponding to formula II  see diagramm : EP0051260,P5,F1   see diagramm : EP0051260,P5,F2  in the form of the isomer mixtures in which the methyl group occupies the 1, 7, 8, 9 and 10 positions.
Patent DE-3042767-A1 (DE)
Title: Daisy wheel printer with centre marking - has hammer that may be moved to mark centre between characters
Inventor: MERCHEL ROLAND
IPC: B41J29/42
Filed: 1980-11-13
Abstract: The daisy wheel printer has a print hammer that may be manually operated to provide a mark between characters to identify a section of text for correction. The daisy wheel containing the print characters (3) is located adjacent to the drum (13) and has the impact hammer (15) supported on a carriage. The hammer actuator is provided by an electro-magnet with a number of permanent magnets (21,23) and two coils (17). The hammer tip has a pointer (37) that may be aligned with the centre position between characters. A lever (42) may be manually operated to mark the paper.
Patent DE-3045237-A1 (DE)
Title: Endoscope with surgical instrument - has external recesses in stem accommodating lubricant
IPC: A61B1/307
Filed: 1980-12-01
Abstract: The endoscope is partic. in the form of a resectoscope for the treatment of the urinary passage and bladder, having a surgical instrument in addition to the optical endoscope, enclosed in a common stem. On the outside, the stem (1) has one or more recesses (2) accommodating a lubricant, typically a spiral groove. The recesses at right angles to the stem axis can be sufficiently small but numerous to give increased surface roughness. The design avoids the need for introducing any additional lubricant while the operation is being carried out.
Patent DE-3049532-A1 (DE)
Title: Self-supporting primary radiator for reflector antenna - has metal ring and dielectric radiator to increase main side lobe attenuation
Inventor: DOMBEK KARL-PETER DR ING
IPC: H01Q19/13
Filed: 1980-12-31
Abstract: The primary radiator has a feeder (1) passing centrally through the reflector. The feeder supplies a waveguide (5) concentric with it. A dielectric radiator (3) fills the coaxial aperture at the end of the waveguide facing the reflector. The dielectric radiator projects out of the aperture by a length L equal to the freespace wavelength. The feeder is a coaxial TEM-mode line. A metal ring 0.16 times the free-space wavelength in width is fitted to reduce the back-reflection to the tubular dielectric radiator. This ring is 0.08 times the free-space wavelength away from the aperture.
Patent DE-3108021-A1 (DE)
Title: Directionally independent anemometer with temperature compensation
Inventor: MAYER ERHARD
IPC: G01P5/12
Filed: 1981-03-03
Abstract: The temperature-compensated constant temperature anemometer permits directionally independent and low-noise measurement of low air speed by means of NTC thermistors arranged in a bridge. Because of the small dimensions, the anemometer is particularly suitable for boundary layer measurements. This is achieved by particular selection of the different combination of characteristics for the voltage/current characteristic, resistance values, resistance/temperature characteristics of the measuring and compensating NTC thermistor.
Patent DE-3116091-A1 (DE)
Title: Tanker vehicle with a preferably heat-insulated tank
Inventor: LANDRE REINHOLD DIPL ING
IPC: B60P3/22
Filed: 1981-04-23
Abstract: Tanker vehicle with a preferably heat-insulated tank, in particular for pressurised fluids such as beer or the like, in which the tank is held on a mounting frame by means of saddle elements which are connected to it and constructed as bearing brackets. The mounting frame is connected itself to the vehicle frame. The tank is enclosed by a casing which is provided with stiffening profiles which are matched to the contour of the casing. In order to avoid relative movements between the tank and the casing, the latter is attached exclusively to the saddle elements and constructed as a self-bearing case structure. The saddle elements are supported on the mounting frame by means of elastic spring elements so that the said frame can experience distortion with the vehicle frame independently of the rigid superstructure. The invention permits complete prefabrication, independently of the vehicle frame, of the vehicle superstructure consisting of tank, saddle elements, case structure and mounting frame.
Patent DE-3117517-A1 (DE)
Title: Direction indicator device for road vehicles
Inventor: HALMSHAW RAYMOND PAUL
IPC: B60Q1/38
Filed: 1981-05-02
Abstract: Direction indicator for road vehicles, which has a selection switch for selecting the actuation of one of two sets of display lamps of the vehicle, which switch is connected in series with a pair of relay contacts. In order to operate the relay, an oscillator is provided which has a capacitor with a charge/discharge circuit and a switch with a control input. A comparator voltage source also contains a switch which has a control input. The device has a comparator for comparing the capacitor voltage and the comparison voltage and outputs a signal for controlling the relay when the voltages are essentially of equal sizes.
Patent DE-3118153-A1 (DE)
Title: Document cover
Inventor: WIETHASE HARALD
IPC: B42D3/00
Filed: 1981-05-07
Abstract: In a document cover, consisting of a cardboard blank or the like and one layer of protective material on each of the two sides, at least the layer of protective material is folded, at two mutually parallel edges of the blank, on one side in each case around the prospective edge and fixed by its edge region to, in each case, the other side or the layer of protective material of the respective other side. At the other two edges, the layers of protective material projecting freely beyond these bear on each other and are connected to each other. In this manner, a document cover is produced which not only can be produced on a production line at a high rate of output but is also insensitive to rubbing and bending of the edges at those edges which are intended for standing on the standing surface, for example shelf.   <IMAGE>
Patent DE-3128453-A1 (DE)
Title: 4-Chlorothienyl-2-thienyl-4-thiazolealkanecarboxylic acid derivatives, processes for their preparation, and pharmaceutical preparations containing these compounds
Inventor: UHLENDORF JOACHIM DIPL CHEM DR
IPC: C07D333/28
Filed: 1981-07-18
Abstract: The invention relates to novel 4-chlorothienyl-2-thienyl-5-thiazolealkanecarboxylic acids, and salts and esters thereof, having the general formula I <IMAGE> to processes for their preparation and to pharmaceutical preparations containing these compounds.
Patent DE-3128603-A1 (DE)
Title: Process for producing a ceramic contact body, and contact body made by the process
Inventor: GROCHOL JAN DR
IPC: B01J35/04
Filed: 1981-07-20
Abstract: Production of screen-like ceramic bodies in a rapid assembly line-type process. A fabric web is repeatedly pulled through suspensions and intensively dried, continuously folded and hardened within 5 to 15 seconds at 800 DEG . The web is then cut, assembled to form the ceramic body and sintered above 800 DEG . With rapid drying in an air stream, a plastic envelope around the fabric is formed from the suspension which consists of refractory powders, colloidal polyacid and at least three free anions in an aqueous-alcoholic solution. This envelope is soft and deformable up to 150 DEG , and it polymerises rapidly at higher temperatures and can be sintered directly.