baber/WOPTO huggingface dataset:
Patent DE-3717914-A1 (DE)
Title: Chemical analysis device
Inventor: SUGAYA FUMIO
IPC: G01N35/00
Filed: 1987-05-27
Abstract: The invention provides a chemical analysis device which comprises an analysis box which is provided with a chamber for accommodating a plurality of object carriers for chemical analysis in which these are arranged next to one another in one direction in the same plane. An optical probe for measuring the optical density in ranges of the light which is reflected by a colour-forming layer of each object carrier for chemical analysis is movable along the row of the object carriers accommodated in the chamber, so that it can carry out a measurement on each object carrier. In addition, the device is provided with a sample application station for applying a sample solution onto a liquid-absorbing part of each object carrier for chemical analysis, and also with an object carrier feed device to push forward the object carriers for chemical analysis onto which there has not yet been applied any sample solution successively into the sample application station, and to successively push forward the object carriers for chemical analysis onto which sample solution has been applied in the sample application station into the analysis box. The sample application station is arranged on an extension of the row of object carriers for chemical analysis present in the analysis box.
Patent DE-3720029-A1 (DE)
Title: Process for the production of optical fibres
Inventor: BACHMANN PETER DR
IPC: C03B37/018
Filed: 1987-06-16
Abstract: Optical fibres having a large core and high numerical aperture are produced by the PCVD process by depositing glass in layers on the inside of a glass tube and simultaneously on a glass rod of circular cross-section which is arranged inside the glass tube in such a way that its longitudinal axis coincides with the longitudinal axis of the glass tube, and then causing the glass tube with glass rod arranged therein to collapse. The figure shows the refractive index profile ( DELTA n) of an optical fibre over its radius (r). <IMAGE>
Patent DE-3726451-A1 (DE)
Title: Pushchair frame
IPC: B62B7/04
Filed: 1987-08-08
Abstract: A description is given of a pushchair frame (10) with two lateral armrests (12), and a backrest and footrest frame (28) mounted between the two armrests (12) such that it can pivot about a spindle (26). The adjustable frame (28) can be fixed in different angular positions by means of a locking device. The locking device has a sheet-metal part (16) which is arranged on the armrest frame (12) and has an arcuate slot (22) which is provided with recesses (30) for the engagement of a locking member (32) provided on the pivotable frame (28). The recesses (30) in the arcuate slot (22) are arranged closely adjacent and the locking member (32) is mounted by means of a spring element (40) such that it can pivot as a ratchet on the pivotable frame (28). <IMAGE>
Patent DE-3727313-A1 (DE)
Title: Holding device for fixing at least one thermostat which has electrical connecting means
Inventor: KLINGENSTEIN DIETER
IPC: H01H1/58
Filed: 1987-08-17
Abstract: In the case of known holding devices for fixing at least one thermostat with respect to a wall, a receptacle for the thermostat is constructed in said wall. The thermostat is held in the receptacle via sprung fastening means which are constructed on said receptacle. In order to simplify the production and installation of holding devices for thermostats, the holding device (1) has a printed circuit board (8) with contacts (22), and can be detachably connected to the wall. The thermostats (4) are in each case fastened, such that they can be displaced axially, in a receptacle (3) which is constructed on the holding device (1), and can be prestressed via compression springs (20). The compression springs (20) are supported at one end on the contacts (22) and at the other end on connecting tabs (14) of the thermostats (4), so that an electrically conductive connection can also be produced by them between the printed circuit board (8) and the thermostats (4). The holding device enables simple production and testing of arrangements of thermostats which can be installed easily. <IMAGE>
Patent DE-3729743-A1 (DE)
Title: Method for continuous determination of the wall thickness of extrudates having a hollow profile
Inventor: BUSCHULTE RAINER
IPC: G01B11/06
Filed: 1987-09-04
Abstract: In a method for continuous determination of the wall thickness of extrudates having a hollow profile, in particular hoses (flexible tubes), it is provided according to the invention that both inside and outside the hollow profile fixed, mutually opposite sensors are used for the optoelectronic emission of radiant power directed onto the passing wall of the hollow profile, and the reflected radiant power is received, and via an evaluation circuit the respective distance from the sensor to the wall of the hollow profile is determined from the difference between emittted and reflected radiant power, and thus the geometry of the hollow profile is determined. <IMAGE>
Patent DE-3730708-A1 (DE)
Inventor: HUBER PETER
IPC: B62D5/30
Filed: 1987-09-12
Abstract: 1. Power-assisted steering system for vehicles, with a main operating cylinder (15) assisting the steering movement, the hydraulic circuit (16, 23) of the main operating cylinder (15) being actuated by the steering mechanism, and with an additional operating cylinder (17) provided for the safety steering, the hydraulic circuit (18, 19) of the additional operating cylinder (17) being separate from the main operating cylinder and being controllable by a safety device, characterized in that the operating cylinders (15, 17) have a common cylinder housing (25), and the associated operating pistons (20 and 28 respectively) are connected to each other.
Patent DE-3731988-A1 (DE)
Title: Reactor for treating a gas by a catalyst having a large inlet surface area
Inventor: PREMEL ULRICH
IPC: B01J8/02
Filed: 1987-09-23
Abstract: In a reactor for treating a gas by a catalyst having a large inlet surface area, to equalise the impingement between the gas feed to the reactor and the inlet surface area, a pressure drop internal, in particular in the form of a perforated plate, is provided, extending transversely to the direction of flow of the gas and furnished with through-holes. There is the risk that the individual jets exiting from the through-holes are recombined, as a result of which, in particular, back-flow regions downstream of the pressure drop internal can occur. The novel reactor is intended to bring about an improvement of the intake flow of the catalyst. In order to improve the intake flow, it is provided that a channel grating (7) having channels (8) extending in the direction of flow is arranged directly downstream, seen in the direction of flow of the gas (G), of the transversely extending pressure drop internal (6), which channel grating covers with each channel entry orifice a predetermined number of through-holes of the pressure drop internal and the channel length of which is at least in the region of the channel width. The reactor is suitable in particular for the catalytic ammonia oxidation with a burner hood, perforated plate arranged in the burner hood and catalyst provided downstream of this. <IMAGE>
Patent DE-3732569-A1 (DE)
Title: Lever mechanism made more versatile and particularly efficient by the additional use of wheels, especially gear wheels
Inventor: SCHUELER WERNER
IPC: F16H21/14
Filed: 1987-09-26
Abstract: By the use of wheels or gear wheels, the subject-matter of the invention ensures that, in a lever (link) mechanism with a mutually offset input and output shaft, the output shaft is set back in a line with the input shaft, and that the power is transmitted by this set-back output shaft. This allows versatile usage of the lever mechanism. In addition, the pins previously used for the input shaft are replaced by gear wheels. The levers of the output shaft engage in these gear wheels. The result is an increase in the output of the lever mechanism compared with the previous use of pins, a particularly large energy saving thereby being achieved. In addition, this design provides particularly uniform running of the lever mechanism.
Patent DE-3733639-A1 (DE)
Title: Write protection for the jacket of a flat data carrier
Inventor: KUNZE NORBERT
IPC: G11B23/28
Filed: 1987-10-05
Abstract: The invention relates to a write protection for the jacket of a flat data carrier, which has edge clearance with inwardly running clearance edges which, to prevent erasing or overwriting of the data carrier, can be locked by means of a write protection which can be pushed into it, the write protection (1) comprising protective parts (1a, 1b) which are joined by means of a film hinge (2) and which spread apart outside the edge clearance (14) in the plane of the jacket under the action of a spring and, pushed into the edge clearance (14), pivoted about the film hinge (2), are pushed one over the other, overlapping in a central region (13), the protective parts (1a, 1b) being supported on the clearance edges (15). <IMAGE>
Patent DE-3740031-A1 (DE)
Title: Universally adjustable door butt hinge
Inventor: DRESPA GERD
IPC: E05D7/04
Filed: 1987-11-26
Abstract: The universal adjustment of a door leaf with a butt hinge can be achieved in a wide range of ways. The simplest solution is the principle of lifting with a screw which simultaneously serves as a bearing, it being possible for said screw also to be the pintle. The screw-bolt is configured in accordance with the principle of the right-hand/left-hand thread. The special feature is the simple operation, thus the simple adjustment of the door leaf. The two principles are integrated in the solution of the problem using the eccentric. Here, all the possibilities for adjustment are interlinked. The operation is simple because only two screwing procedures are necessary. In all cases, the door can remain suspended in the butt hinge. The principle of the grease pressure is just as simple, as a result of which the door can be adjusted, as it were, hydraulically. A solution for constantly creaking doors consists in that the gap, which becomes visible by lifting, between the lower part and the upper part is concealed by a close-fitting sleeve. The space behind this can be used without any difficulty as a grease chamber. In this manner, long-term lubrication is possible. All in all, these solutions constitute a simplification in installation, as a result of which time and costs are saved. <IMAGE>
Patent DE-3743374-A1 (DE)
Inventor: GUHL WALTER DR
IPC: A61K31/155
Filed: 1987-12-21
Abstract: The use of compositions containing bis- or oligo-bis-guanides, alcohols, hydrogen peroxide, carboxylic acids, and water, applied externally, provides for the effective control of eggs of the threadworm Enterobius vermicularis on the skin.
Patent DE-3801933-A1 (DE)
Title: Method for absorbing geothermal energy using flowing water
Inventor: KNOCHEL GEORG
IPC: E21B43/30
Filed: 1988-01-23
Abstract: The invention relates to a method for absorbing geothermal energy using flowing water and its direct (4.2) release or release by heat exchanger (4.3), in which the introduction of a descending and ascending pipe (1/2), connected in communicating fashion, at depths between 1500 and 2500 m is provided for. In view of the high costs of sinking shafts within this depth range, it is envisaged to use for this primarily disused mines, i.e. the main and subsidiary shafts. In the uppermost layer of the earth down to 2500 m depth, the temperatures increase by 1@C over each geothermal depth stage of 33 m (central Europe). The cold water (10.1) is supplied via a substantially insulated descending pipe (1), in the lower region - by the communicating connection (3) and also partly in the ascending pipe (2) - the flow rate is reduced by an increasing cross-section and the heat-absorbing surface (3.1) is enlarged. In the remaining region of the ascending pipe (2), direct contact with the earth is provided for optimum heat absorption. The heat removal (4) takes place in the upper connection between ascending and descending pipe (2/1). <IMAGE>
Patent DE-3808704-A1 (DE)
Title: Contact lug for busbar systems on printed circuit boards
Inventor: ZOELLER KARL-WILHELM ING GRAD
IPC: H01R12/55
Filed: 1988-03-16
Abstract: A printed circuit board 1 having contact lugs 2 is provided, the contact lugs 2 having on the one hand at least one foot part 3 which can be plugged into retention holes 14 in the printed circuit board 1 and can be connected using solder and/or force-fit onto the conducting paths thereof. On the other hand, the contact lugs 4 can be connected via their segments which project from the printed circuit board 1, for the purpose of supplying and/or distributing high currents, to a busbar 5. In order to make it possible to achieve connection of the contact lugs 4 to the busbar 5 which is insensitive to thermal expansion of the busbar 5 and at the same time easy to execute, those sections of the contact lugs 2 which project from the printed circuit board 1 are made in the form of spring clamps 4 which enclose the busbar 5 on at least three sides in the cross-sectional direction. In addition, the separation between the spring clamp limbs 6 and 7a, 7b in the relaxed position is, at least in places, set to be smaller than the cross-sectional dimension of the busbar 5 in the same direction. <IMAGE>
Patent DE-3810500-A1 (DE)
Title: Method and arrangement for generating changing pictures on the screen of a visual display unit
Inventor: ECKARDT REINHARD DIPL ING
IPC: G09G5/399
Filed: 1988-03-28
Abstract: A switching over between two memory areas (R, S) of a refresh memory (refresh buffer) (BWS), of which alternately one memory area is used for refreshing the picture, while picture information of the other memory area is presented on the screen (BS) of a visual display unit (SG), is carried out independently of the frame flyback phase. This has the result that generally a switching over can be carried out before the frame flyback, and the time gain resulting therefrom can be used to enter a new picture. The invention is used in visual display units. <IMAGE>
Patent DE-3811971-A1 (DE)
Title: Adjustable oscillating-armature pump
Inventor: REUNER WOLFGANG DIPL ING
IPC: F04B17/04
Filed: 1988-04-11
Abstract: The invention relates to an oscillating armature pump for delivering low-viscosity fluids, e.g. feed-water, in intermittent operation. By adjusting the prestressing force of the compression spring 9 with the aid of an adjusting screw 5 located on an intake stub 1, the optimal operating point of the pump capacity can be achieved. <IMAGE>
Patent DE-3814579-A1 (DE)
Title: Sealing system for saddleback roof
Inventor: KNOCHE ALFONS
IPC: E04D13/17
Filed: 1988-04-29
Abstract: Known ridge seals make provision, beneath the ridge tiles, for sealing strips which extend from the ridge batten and overlap to a limited extent the roofing tiles which border the ridge. The overhang, which has to be accepted in this case, of the sealing strips over the ridge tiles results, on the one hand, in an impairment in terms of the appearance of the roof and, on the other hand, in a reduction in the service life of the sealing strips, at least in their border region. It is now proposed to make provision for a sealing element (31) which extends from the roof batten (13) which borders the ridge, runs as far as the second row (212), starting from the ridge, of the roofing tiles (21) and, for its part, is engaged over by an apron (36) which extends from the ridge batten (13). It is thus possible to permit the sealing element (31) to terminate at a distance from the lower edge of the roofing tiles (21) which engage over it and belong to the first row of tiles (211), starting from the ridge; the appearance of the roof is thus no longer impaired by said ridge sealing; the seal is also no longer subjected to any reduction in its service life and it offers, furthermore, better protection against precipitation water. <IMAGE>
Patent DE-3823089-A1 (DE)
Title: Pyrolytically coated flat glass, and process for its production
Inventor: HECQ ANDRE
IPC: C03C17/25
Filed: 1988-07-07
Abstract: Sodium ions present in a glass make it more difficult to form a pyrolytic coating and can also poison the latter. To obviate these problems, a pyrolytically coated flat glass contains sodium, but is de-alkalised, so that the glass has, in the pyrolytically coated state, a surface layer of 1  mu m thickness, which is depleted of sodium in a quantity of at least 5 mg of Na<+> per m<2> as compared with the layer immediately below, of the same thickness. To effect such a de-alkalisation, the glass can be exposed to an atmosphere containing an acidic gas such as sulphur trioxide, its temperature being above 200@C and it remaining exposed to this atmosphere for a period during which, or at least at the end of which, its temperature is below 350@C. The de-alkalised glass is then washed, reheated and contacted at a temperature of at least 400@C with the coating precursor material, which reacts pyrolytically in contact with the glass and forms a pyrolytic coating thereon.
Patent DE-3833448-A1 (DE)
Inventor: RITTNER SIEGBERT DR
IPC: C07C51/43
Filed: 1988-10-01
Abstract: Ibuprofen which solidifies from the melt on contact cooling devices and is subsequently comminuted has good flow, pour and storage properties and is suitable for direct tabletting.
Patent DE-3834215-A1 (DE)
Title: Counterflow heat exchanger
Inventor: HOLSIEPE DIETMAR
IPC: F26B17/14
Filed: 1988-10-07
Abstract: The invention relates to a shaft-shaped counterflow heat exchanger, in which, between adjacent chambers, in addition to a central gas passage opening, eccentrically arranged flow paths for the material are provided, which contain a funnel which starts from the bottom of the upper chamber and which is followed by a material line which opens into the next lower chamber, there being additionally connected to at least some flow paths a material line which serves for recirculation and which opens into the central gas passage opening. Such a heat exchanger is characterised by an especially low heat consumption, at the same time troublesome material deposits being avoided and thus great operational reliability being guaranteed.
Patent DE-3839330-A1 (DE)
Title: Liquid-crystalline cyclopropylalkyl- or -alkenyl-heterocycles, process for their preparation, and their use in liquid-crystalline mixtures
Inventor: MEIJERE ARMIN DE PROF DR
IPC: C07D303/48
Filed: 1988-11-22
Abstract: The novel cyclopropylalkyl- or -alkenyl-heterocycles of the formula   <IMAGE> are liquid-crystalline. In this formula, the symbols A<1>, A<2> and A<3> are aromatic or heteroaromatic moieties, such as 1,4-phenylene or pyrimidine-2,5-diyl, which are linked via a single bond (where k and m = zero) or via functional groups M<1> and M<2>, such as CO-O or CH2-O; j, k, l, m and n are zero or 1 (j + l + n = 2 or 3). The radicals R<2>, R<3> and R<4> are H or alkyl/alkenyl, R<1> is alkyl/alkenyl or a substituent known from LC chemistry, such as an alpha -haloalkanoic acid radical. In addition, at least one of the units A<1>, A<2> and A<3> must be heteroaromatic, G is alkylene or alkenylene.
Patent DE-3842453-A1 (DE)
Title: Buckle for a motor vehicle safety belt system
IPC: A44B11/25
Filed: 1988-12-16
Abstract: Published without abstract.
Patent DE-3844078-A1 (DE)
Title: Saddle protection device for bicycles
Inventor: DRIGNATH ROLAND
IPC: B62J1/20
Filed: 1988-12-28
Abstract: The invention relates to a cover which can be put onto the saddle to give protection against the effects of the weather and when required is removed from a clamping holder (dry holder) situated in a small storage box which is open at the bottom. This device makes it possible for the cyclist always to have a dry saddle seat. What characterises the invention in particular is the fact that a wet cover is clamped onto a holder with fanned-out rods and is supplied with sufficient ventilation for drying through ventilation slits in the wall of the housing of the small box, which is preferably attached directly to the saddle. Furthermore, the housing of the small box, provided in two types of design, is equipped with a place for storing tools, which is situated in the lid or side region, and/or with a battery chamber for the electrical supply of the parking light of the bicycle. Furthermore, the invention envisages providing the upper region of the small box with a reflector (warning attachment), thus, even at this level on the bicycle, making a good contribution to road safety. Moreover, the walls of the housing of the small box have red and white reflecting stripes.
Patent DE-3900623-A1 (DE)
Title: Centrifugal pump stage
Inventor: ODENDAHL WILHELM
IPC: F04D1/02
Filed: 1989-01-11
Abstract: A description is given in the Offenlegungsschrift DE 3721378 A1 of a multistage centrifugal pump whose efficiency is improved by the paired arrangement of centripetal and centrifugal impellers. Since substantially less lost heat is produced in the part-load range of the pump, the removal of the minimum quantity required for the purpose of preventing evaporation of the pumping medium can be performed by the partial flow of the hydraulic relief device. This addition relates to an improvement of the centripetal impellers, whose blades are now shaped in such a way that flow channels are present between them in the form of venturi diffusers. The efficiency of the centripetal impellers is substantially improved thereby.
Patent DE-3901431-A1 (DE)
Title: Fully plastic ball valve made from PTFE or a PTFE compound
Inventor: BATTEFELD HEINZ
IPC: F16K27/06
Filed: 1989-01-19
Abstract: Due to the cold-flow and thermal-expansion values of PTFE, it has hitherto not been possible to produce fully plastic ball valves from this material and the use of PTFE has therefore been limited to the ball seat rings and the lining of a metallic ball-valve housing, although the differing cold-flow and thermal-expansion values may result in separation or destruction of the coating. In our solution to the problem, the actual PTFE ball-valve housing (2) has not only the customary screw holes but also three holes to receive pins made from special steel or, alternatively, PTFE-glass (4) and two or more expansion seams (5a and 5b) recessed in all the way round. In the process of assembly, the two flanges (1a and 1b) are tightened fully by means of screws against the pins (4) in the housing (2). The length of the pins is chosen so that, after this operation, the seams can only be compressed by about 50%. This prevents the factors of cold flow and thermal expansion, which prejudice the functioning of the valve, since they are taken up by these expansion seams. <IMAGE>
Patent DE-3903316-A1 (DE)
Title: Heatable automatic drinking basin for cattle
IPC: A01K7/02
Filed: 1989-02-04
Abstract: The prior art (German Offenlegungsschrift 2726905, Figure 3) is a basin with a water bowl and a pipe loop arranged under the bottom thereof, for conveying delivered warm water which heats the bottom of the bowl, the pipe loop forming a substantially planar half-oval and being installed in a heat insulation between the bottom of the bowl and a plate arranged at a distance from the latter in such a way that it bears against the underside of the bottom of the bowl. The disadvantage of this construction and arrangement of the pipe loop is the risk of frost for water standing in the bowl, which has entered the latter while warm, cools down and cannot be kept warm by warm water standing in readiness, which serves as drinking water and flows through an outlet valve into the bowl when this valve is opened by the animals. The object of the invention is to be able to supply to the bottom of the bowl a relatively large amount of heat in order to prevent the risk of frost. To solve this object, the pipe loop forms at least one ascending winding which is arranged in an air space reaching up to the bottom of the bowl and closed all around. The advantage of this solution is that the coiled winding, in particular in the case of a plurality of windings, permits a relatively intensive heating of the bottom of the bowl through heated air flowing vertically upwards, preventing water in the bowl from freezing up. <IMAGE>