baber/WOPTO huggingface dataset:
Patent DE-3140026-A1 (DE)
Title: Process for the preparation of catalyst-free polyphenylene ethers
Inventor: HAMBRECHT JUERGEN DIPL CHEM DR
IPC: C08G65/46
Filed: 1981-10-08
Abstract: The invention relates to a process for the preparation of high-molecular-weight, alkyl-substituted polyphenylene ethers from monohydric phenols by oxidative coupling reaction with oxygen in the presence of a catalyst complex comprising a metal salt and an organic amine in the presence of a solvent, where the metal-ion component of the catalyst is removed from the reaction solution by addition of a chelating agent (I) and a phosphonium salt of the formula (II): <IMAGE> in which R<1>, R<2>, R<3> and R<4> are alkyl, alkenyl, aryl and/or aralkyl groups, and X is an inorganic anion. The chelating agent (I) is a polycarboxylic acid, aminocarboxylic acid, aminopolycarboxylic acid, polyalkylenic acid, polyaminic acid, polycarboxylic acid, a polymercaptide and/or polyamine, ethylenediaminetetraacetic acid or the mono-, di-, tri- or tetrasodium salts thereof, a trimercapto- s-triazine or the mono-, di- or trisodium salts thereof, a nitrilodi- or -triacetic acid or the mono-, di- or trisodium salts thereof, glycine or the sodium salt thereof.
Patent DE-3140332-A1 (DE)
Title: Bagging device
IPC: B65B39/08
Filed: 1981-10-10
Abstract: The invention relates to a bagging device, consisting of a metering means for the bulk material to be bagged, said means comprising a filling funnel with outlet nozzle and an adjoining length of flexible tubing which extends into the interior of a bag to be filled and is pressed against the edge of the bag by means of bag clamps and press-on elements. A vacuum pump which generates a vacuum above the bagged bulk material after the bag has been filled is additionally connected to the outlet nozzle. After the filling operation, the edge of the bag remains in dust-tight connection with the length of tubing until the bag edge has been folded in. Since it is impossible for any layers of dust to form on the bag edge during the folding-in operation and equally during the removal of the filled and folded-in bag while the vacuum is maintained in the bag, said bag edge can be welded sufficiently firmly without difficulty.
Patent DE-3147494-A1 (DE)
Title: Mirror which can be heated electrically
Inventor: SCHAEDLER BERND DIPL ING
IPC: H05B3/14
Filed: 1981-12-01
Abstract: The invention relates to a mirror which can be heated and is used especially as a motor vehicle external mirror. The mirror has a heating element which consists of two metal sheets. One or more PTC resistors are arranged between these metal sheets. An insulating intermediate layer, which abuts tightly against the metal sheets and encloses the PTC resistors, is located between the metal sheets. The PTC resistors are clamped between the metal sheets. A further improvement provides that there are at least two PTC resistors which have different rated temperatures (Curie temperatures). <IMAGE>
Patent DE-3202070-A1 (DE)
Title: Ball bearing
Inventor: KASPER KLAUS
IPC: F16C33/66
Filed: 1982-01-23
Abstract: In special cases, for example in vacuum technology, oil mist lubrication makes it necessary to introduce the lubricant into the ball bearing in such a way that it reaches the points to be lubricated without external forces (for example air atomisation). This is often not possible under the restricted space conditions pertaining. According to the invention, it is proposed to feed the lubricant in droplet form or continuously from a reservoir. The lubricant comes into contact with the chamfer on the rotating inner ring formed on that side of the inner-ring edge face which faces the lubricant supply, and is thrown into the free space between the balls, the location holes for the balls in the cage and the track in the outer ring under the action of centrifugal acceleration. This ensures that the lubricant reaches all the locations in the ball bearing at which sliding occurs and which thus require lubrication, even in the case of the smallest posssible quantities of lubricant (corresponds to low frictional losses). <IMAGE>
Patent DE-3207134-A1 (DE)
Title: Cover for the passenger compartment of a convertible
Inventor: JORDAN MARK
IPC: B60J11/00
Filed: 1982-02-27
Abstract: In a convertible with a cover for the passenger compartment as a protection when the roof of the convertible is opened, it is important that the cover is easy to handle and, furthermore, is thief-proof and water-tight. According to the invention, a covering (9) which can be drawn from door to door in the transverse direction of the vehicle like a roller blind is provided as cover and is guided with its edges so as to be capable of being fixed in in each case one guide rail (12, 13) arranged in the dashboard (7) and behind the backrests of the seats and is secured to at least one vehicle door (4) in a spring-loaded retraction roller (11) which is mounted approximately horizontally. This design permits the passenger compartment to be closed securely and water-tightly virtually with one rapid manoeuvre without the roof of the convertible having to be closed. <IMAGE>
Patent DE-3211444-A1 (DE)
Title: Feed device for a sawing or drilling tool and the like, in particular for carrying out cutting or drilling work in concrete
Inventor: SCHUETZEICHEL JOHANNES
IPC: B28D7/00
Filed: 1982-03-27
Abstract: The invention relates to a feed device for the feed of an implement, in particular a sawing or drilling tool, for carrying out cutting or drilling work in concrete and the like. According to the invention, the implement is guided on a guide rail which is preferably designed as a triangular rail, the triangle surfaces of which form roller running surfaces for friction rollers. The friction-roller sets are driven by a common chain drive and preferably consist of double- taper rollers and cylindrical friction rollers.
Patent DE-3219567-A1 (DE)
Inventor: AUGUSTIN RAINER
IPC: B24D11/00
Filed: 1982-05-25
Abstract: An elastic grinding element for form-true grinding including a supporting layer of elastomer material and an adhesive grit layer bound to the supporting layer and having an active grinding surface made of a hardened mixture of binder and abrasive grit. The process for making the grinding element includes providing a mold having a shape constructed to produce a desired shape for the grinding element, putting the mixture of binder and abrasive grit and the elastomer material in the mold, and accelerating the mixture of binder and abrasive grit and the elastomer material while in the mold.
Patent DE-3219793-A1 (DE)
Title: External-axis rotary piston compressor
Inventor: EIERMANN DANKWART
IPC: F04C28/14
Filed: 1982-05-26
Abstract: Rotary piston compressor having two intersecting parallel-axis cylindrical spaces, which are each passed through radially by a shaft. On the shaft of the one space, forming a hollow cylinder, there contactlessly rotates a working rotor having a shut-off tooth, and on the shaft of the other space there contactlessly rotates a shut-off rotor having a recess for the shut-off tooth to pass through. The working gas is taken in through the hollow shaft and through the shut-off tooth of the working rotor and expelled through an outlet duct provided in the housing case. In the hollow shaft there is arranged a stationary sleeve, which has a control opening and is shut off when the shut-off tooth passes through the recess of the shut-off rotor. To improve the flow conditions and efficiency, a connecting duct which is open after the working space may be arranged in the housing case between the recess of the shut-off rotor and the outlet duct. In order to meet the requirements at high speeds, the hollow cylinder may run on its intake side on an internal bearing, additional flow paths leading around this internal bearing being provided. Furthermore, axially directed slits may be provided in the shut-off part of the sleeve and in the corresponding shut-off part of a further sleeve, arranged in the first sleeve, which slits can be brought into line with one another when the inner sleeve is turned in cases of relatively high speeds.
Patent DE-3227117-A1 (DE)
Title: Toy for combination and puzzle games
Inventor: HOFGARTNER ERWIN
IPC: A63F3/00
Filed: 1982-07-20
Abstract: The combination ring (1) shown is composed of a cylindrical combination support (2) on which a number of segmented rings (3) are rotatably mounted adjacent to one another, having a width corresponding to the longitudinal division (1) and longitudinal guides offset relative to each other at an angular division (w), for a second number of segments (4) whose outside in each case forms an information area (17). Peripheral guides (13, 15) and longitudinal guides (12, 14) are provided between the combination support (2) and the segmented ring (3), each of these guides simultaneously acting as a locking device. The square feet of the segments (4) are guided with a dovetail engagement between the longitudinal ribs (22) of the segmented rings (3) so that they can be set in any position at 90 DEG angles. Locking in the centre is achieved in each case by a projection (23) on the circumference of the segmented ring (3). The locking guides (12 to 15) form a coordinate system with individual coordinate fields (16) over each of which an information field (17) comes to rest and can be transferred from one segmented ring to the other, as desired, by rotating its segmented ring (3) or displacing the segment (4) if a number of coordinate fields are kept free. As a result there are many possibilities of combining the symbols to be placed in the information fields. <IMAGE>
Patent DE-3230518-A1 (DE)
Title: Bipolar electrode having graphite as carrier, production and use thereof
Inventor: ROOS HANS DIPL CHEM DR
IPC: C25B11/04
Filed: 1982-08-17
Abstract: Bipolar electrodes having graphite as support are furnished with a layer of chromium trioxide on both the anode side and the cathode side. The chromium trioxide layer has a layer thickness of at least 10  mu m. The electrodes are produced by plasma spraying of pulverulent chromium trioxide onto a graphite support body. The electrodes can be used as bipolar electrodes in cells for the electrolysis of alkali metal chlorides.
Patent DE-3230600-A1 (DE)
Title: Additive for the electrodeposition of zinc from an alkaline bath
Inventor: CLAUBERG WOLFGANG DR
IPC: C25D3/22
Filed: 1982-08-18
Abstract: An additive for the electrodeposition of zinc from an alkaline bath is prepared by reacting one or more imidazoles and morpholines with formaldehyde and an epihalohydrin or a glycerol halohydrin. The additive shifts the bright region of the zinc deposits towards higher current densities and extends the applicable range of current densities.
Patent DE-3236888-A1 (DE)
Title: Solar collector system with a large number of displaceable concave mirror reflectors
Inventor: LIEKMEIER ALFONS
IPC: F24S23/74
Filed: 1982-10-05
Abstract: Solar collector system with a large number of channel-shaped concave mirror reflectors arranged parallel to one another, which are displaceable together about axes of rotation parallel to their longitudinal axis. The incident sunlight is in each case focussed on collector tubes which are arranged on the rear side of an adjacent reflector and at the same time serve as the axis of rotation for this reflector. The rear side of each reflector is provided with a light-absorbing layer; when the sky is overcast, this is turned to the light so that the system can work as an absorber installation. <IMAGE>
Patent DE-3237319-A1 (DE)
Title: Torque converter with automatically short-circuiting converter coupling
Inventor: FRANZ KASPAR DIPL ING
IPC: F16H61/14
Filed: 1982-10-08
Abstract: In modern vehicles torque converters are fitted as stepless intermediate transmission and wear-free clutches both on automatic and on manual gearbox transmissions, but have the disadvantage in the predominantly normal operation in which no torque conversion is necessary, of causing excess fuel consumption owing to its slip. This can be avoided by means of a converter clutch which is engaged when the engine is at a standstill, in normal and in overrun conditions and disengaged when stopping at traffic lights, for starting, when changing gear and in kick-down operation. The converter fluid flows through the converter and is drawn off via a line within the pressurized system, the torque clutch being connected. When a check valve closes this line, the converter fluid receives a pressure from the converter counterpressure valve which disengages the converter clutch and sets the converter working, the stator closing the line until the turbine is turning at approximately the same speed as the pump impeller and opens the line. The backpressure from a manually or automatically controlled hydraulic switch device for a manual gearbox transmission can likewise disengage the converter clutch when changing gear.
Patent DE-3237718-A1 (DE)
Title: Conversion unit for road finishers for the lateral discharge of material
Inventor: SCHMIDT HANS JOERGEN
IPC: E01C19/12
Filed: 1982-10-12
Abstract: For the laying of construction materials on roadside paths (cycle tracks) to be laid out at different distances from highways, the conversion unit for road finishers for the lateral feeding of construction materials is now also provided with equipment which makes it possible for the previous lateral-feeding designs along with their many concomitant design difficulties to be avoided. For the use of the conversion unit, road finishers can be used for the laying of bituminous mix without the construction elements on the road finisher for laying the mix having to be removed. It is only the previous material hopper that is rendered inoperative by removal of the side parts, this being replaced by a new-design two-part hopper. The construction materials are fed out laterally by means of a screw conveyor, which is incorporated in the new-design material hopper, in order to be distributed uniformly via a slotted pipe section, and immediately adjacent to the new equipment, onto the subgrade situated below, or to be transferred via another pipe section onto a conveyor belt which is mounted swivellably and vertically adjustably on the equipment. The screw conveyor, which is exposed apart from a few narrow reinforcing plates, can be covered by movable slide rings so as to provide a way of controlling the dispensing rate of the material in terms of the conveyor power and adjustment to the consistency and/or particle size of the construction materials. Where there are differences in height between the roadway and roadside paths, this is compensated for by adjusting the height of the belt towards the discharge side.
Patent DE-3238733-A1 (DE)
Title: Sleeve of shrinkable material
Inventor: ROST JAN
IPC: B29C61/10
Filed: 1982-10-19
Abstract: The invention relates to a sleeve (1) of shrinkable material having a longitudinal closure which is formed from loops (5) and from cut-outs (8) along the longitudinal edges (1', 1"). The closure is secured with the aid of a connecting element (6, 11-12), which engages in the loops (5). <IMAGE>
Patent DE-3239130-A1 (DE)
Title: Yarn severing means
Inventor: PRINCIPE VIKTOR
IPC: D05C11/20
Filed: 1982-10-22
Abstract: Published without abstract.
Patent DE-3240030-A1 (DE)
Title: Electronic display board for share prices or the like and control method used for the same
Inventor: BIRK KLAUS-PETER
IPC: G06F3/147
Filed: 1982-10-26
Abstract: The electronic display board for share prices or the like has a plurality of electronic display units, which are arranged one above another and/or next to one another and for the purpose of improving the readability of the quotations and of reducing expenditure on repair have individual liquid crystal displays set up for giving quotations.
Patent DE-3240725-A1 (DE)
Title: Method for reprocessing spent digestion liquid, and plants for carrying out this method
Inventor: PETER WALTER
IPC: B01D3/14
Filed: 1982-11-04
Abstract: In the method, spent digestion liquid, which originates from digestions of cellulosic vegetable material by means of organic solvents at elevated temperature and elevated pressure, is subjected to flash evaporation. In order to avoid precipitation of the lignin degradation products during the cooling involved in flashing in the form of viscous and tarry products, which are difficult to transport, and, furthermore, occlude substantial quantities of solvent, and to improve the degree of recovery of the digesting agent, the vaporisable constituents of the digestion liquid are completely removed by a single-stage flash evaporation with heat supply and separated by distillation, and the non-vaporisable residue is recovered in a solid form. <IMAGE>
Patent DE-3246478-A1 (DE)
Title: Transportable balance
Inventor: GUTSCHMIDT HARALD DIPL ING
IPC: G01G21/22
Filed: 1982-12-15
Abstract: Transportable balance having a weighing platform supported by means of bearings on the ground, especially for heavy loads, which can be erected at any of various locations, for example on roads, runways or the like, is designed, for the purpose of space-saving transport and erectability, even when the ground conditions are not completely level, without levelling work, in such a way that the weighing platform is composed of a plurality of platform portions, each of which, in the erected state, is supported on the ground by means of four respective bearings having in each case a measuring device, at least one of which is coformed by a bearing of an adjacent further platform portion.
Patent DE-3248499-A1 (DE)
Title: Crash-prevention device for the closing elements of building and vehicle closures
IPC: E05D13/00
Filed: 1982-12-29
Abstract: The invention starts from protective devices of this type, in which the closing elements are movable in steep guides by means of rollers or the like. In order to bring the movable parts to a stop safely, but not abruptly, the guide track for the rollers can be narrowed by means of a jaw movable transversely relative to this track. To execute a jaw movement, the jaw is assigned a prestressed spring which is freed from its retention for the purpose of a movement of the jaw.
Patent DE-3300117-A1 (DE)
Title: Mast foot arrangement for a windsurfing board
IPC: B63B35/79
Filed: 1983-01-04
Abstract: The invention relates to a mast foot arrangement for a windsurfing board (1), producing the connection between the mast and the windsurfing board (1) by means of a universal joint (5). Beneath the universal joint (5) is a connecting piece in the form of a slide (6) which is captively guided by a track (7) and which is displaceable in the longitudinal direction of the windsurfing board. The slide (6) can be fixed by a foot-operated coupling device (10). The coupling device (10) is made completely separate from the slide (6) and acts on a connecting member (11) which is connected to the slide (6). The connecting member (11) is preferably constructed as a wrap-around drive (12), especially as a cable drive or the like. <IMAGE>
Patent DE-3301543-A1 (DE)
Title: Play-free ball joint, especially for test devices
Inventor: SANDNER RUDOLF
IPC: F16C11/06
Filed: 1983-01-19
Abstract: A play-free ball joint, especially for test devices, having a ball head which has a ball pin on which tension and compression forces acting essentially in the pin axis engage, having two bearing shells for the articulated support of the ball head, of which one bearing shell has a perforation for ball pins, the separating surface between the two bearing shells being located essentially at right angles to the pin axis or to the load direction, and a separation or gap remaining between the bearing shells, is intended to permit the transmission of high, especially dynamic, forces, to be easily readjustable and to have low friction. This is achieved by means of clamping elements (5) using which the two bearing shells (3, 4) can be braced against one another or against the ball head (1), and by means of stress-relief and/or releasing elements (6) which counteract the clamping force of the clamping elements (5). As a result of the use of clamping and stress-relief elements for bracing the two bearing shells, it is easily possible to adjust the play on the joint. As a result of the pretensioning of the clamping elements, with the aid of the stress-relief elements, the dynamic stress of the clamping elements is kept low. <IMAGE>
Patent DE-3304642-A1 (DE)
Title: Integrierte halbleiterschaltung mit bipolartransistor-strukturen und verfahren zu ihrer herstellung
Inventor: SCHWABE ULRICH DR PHIL
IPC: H01L21/28
Filed: 1983-02-10
Abstract: Verfahren zur Herstellung einer elektrooptischen Anzeigevorrichtung und danach hergestellte Anzeigevorrichtung. Um bei großflächigen Displays den erforderlichen Plattenabstand zu gewährleisten, wird vorgeschlagen, auf einer der beiden Trägerplatten ein Distanzpunkteraster in einer Flach- oder Tiefdrucktechnik aufzubringen. In einer bevorzugten Ausführung besteht das Muster aus zweierlei Distanzpunkten: Abstandspunkten, die lediglich an einer der beiden Platten fixiert sind und den Minimalabstand vorgeben, sowie Verbindungspunkten, die an beiden Platten haften und den Maximalabstand definieren. Das Ausgangsmaterial für die Distanzpunkt ist zweckmäßigerweise ein (selektiv) UV-härtbarer Kunststoff. Die vorgeschlagene Fertigungsmethode ist besonders preisgünstig, liefert recht maßgenaue Substratabstände und eignet sich vor allem für Flüssigkristallanzeigen mit Kunststoff-Trägerplatten.
Patent DE-3305376-A1 (DE)
Inventor: ANDRE WOLFRAM DIPL ING
IPC: G05D23/20
Filed: 1983-02-17
Abstract: A regulator circuit for controlling the heat output of a heating element adapted to be switched on and off by a semiconductor switch energized by a zero crossing switch having cycle group control, whereby a sensor signal derived from the sensed temperature is supplied to the zero crossing switch. In order to avoid an overriding of the control or operating temperature in the heating phase and to improve the accuracy of the temperature control, a secondary control voltage is derived from the sensor voltage according to the rate of rise and drop of the sensor voltage which in the heat phase the switch-off of the heating element is reset to lower temperatures depending on the secondary control voltage and in the cooling phase the switch-on of the heating element is reset to higher temperatures depending on the secondary control voltage.
Patent DE-3308813-A1 (DE)
Inventor: SCHMITT WALTER ING GRAD
IPC: G01D5/36
Filed: 1983-03-12
Abstract: A measuring system includes reference marks provided in the measuring direction alongside the graduation of the scale. These reference marks are absolutely allocated to the graduation and are used to generate reproduceable control pulses. For the identification of each reference mark there is serially allocated to each reference mark a code mark which is made up of code mark segments. The code mark segments follow one upon the other without gaps in the measuring direction, and each includes a homogeneously continuous surface or zone. These code mark segments are arranged in correspondence to their coded information, offset parallel to one another transversely to the measuring direction and are scanned by a scanning field which is integrated in the scanning field used to scan the reference marks. This gapless arrangement of the code mark segments prevents interference with the scanning of the reference marks.
Patent DE-3309239-A1 (DE)
Title: Piezo-electric motor
Inventor: KLEINSCHMIDT PETER DIPL PHYS
IPC: H01L41/09
Filed: 1983-03-15
Abstract: A piezo-electric motor having a resonant body (4) which is dimensioned with respect to the operating frequency of the only one supplying AC voltage (8) such that this resonant body (4) comprises at least two subresonators (4', 4") which likewise have resonant frequencies f1, f2, because of this dimensioning, which differ no more and no less from one another so that there is a mechanical phase shift for the subresonators in the resonant body, and electrical phase shifting of the supply voltage (8) is obviated. <IMAGE>
Patent DE-3309407-A1 (DE)
Title: Combination box for cigarettes/matches
Inventor: WEISHEIT ANDREAS
IPC: B65D85/10
Filed: 1983-03-16
Abstract: Published without abstract.