baber/WOPTO huggingface dataset:
Patent DE-3744060-A1 (DE)
Title: Optical arrangement for high-performance slide projectors
Inventor: KREBS JUERGEN
IPC: G02B5/00
Filed: 1987-12-22
Abstract: Optical arrangement for high-performance projectors having a metal vapour lamp integrated in an ellipsoid mirror, and an additional mechanical light valve for the stepless control of the brightness of the light flux, in particular for use in multiprojection, dissolving (fading) projection and large-screen projection. The compact design offers a high optical efficiency accompanied at the same time by low technical outlay. The use of this technique enables high-power slide projectors to be produced with small dimensions and low weight.
Patent DE-3744136-A1 (DE)
Title: Chimney pipe for heating boilers
Inventor: BOCKHACKER BERND
IPC: F23J13/02
Filed: 1987-12-24
Abstract: Given the lower and lower waste-gas temperatures in heating installations today, there is the risk that within the chimney pipe the flue gases may be cooled down below the condensation temperature and that then aggressive condensate runs downwards into the chimney pipes and collects and is difficult and costly to remove from here. To remedy this, there is proposed an inner coating of chimney pipes which is constructed in the manner of a sponge and which thereby prevents the condensate from flowing, the layer structure being such that the outermost layer directed towards the interior of the chimney pipe is designed in the manner of a sponge and the layer directed towards the steel pipe is designed in the manner of glass, thus taking account of the two different requirements.
Patent DE-3800630-A1 (DE)
Title: Tunnel lining of segments
Inventor: RAMMELSBERG JUERGEN DR ING
IPC: E21D11/15
Filed: 1988-01-12
Abstract: In tunnel lining, stringent demands are imposed on the watertightness of the tunnel tube. These demands cannot be met in the case of concrete linings. Cast-iron segments are watertight. However, they require mechanical treatment for tight assembly. A tight tunnel tube can be constructed by the segments (1) each being composed sandwich-like of an unmachined cast part (2) and a concrete part (3) and by the cast part (2) consisting of sectional segments (5-8) sealed off from one another. <IMAGE>
Patent DE-3801427-A1 (DE)
Title: Connecting element
Inventor: LAASS HEINZ ING GRAD
IPC: H01R13/70
Filed: 1988-01-20
Abstract: A connecting element is proposed for producing an electrical connection, which element is constructed, for example, as a cable terminal or plug. It is distinguished by a switching element which initiates a switching process during the production of an electrical connection. This switching process results in a voltage source, which is connected to the connecting element, being connected to conductive parts of the connecting element. In consequence, neither is there a voltage source loaded as long as no electrical connection to conductive parts has been produced, nor is there any possible hazard to the user of the connecting element, resulting from an applied voltage. <IMAGE>
Patent DE-3805435-A1 (DE)
Title: Process and equipment for the thermal cleaning of coated workpieces
Inventor: ATZGER JUERGEN DR ING
IPC: F23G5/027
Filed: 1988-02-22
Abstract: The invention provides for carrying out a thermal cleaning of coated workpieces in a hot sand bed, the heating and fluidisation of the sand bed being carried out directly by means of flue gas which is generated with a small oxygen excess in a burner installation integrated at the lower part of the sand bed and is forced through the bed at intervals. The flue gas is then drawn off together with the resulting gaseous residual products and passed to a separate thermal aftercombustion. The solid residues remaining in the sand bed are from time to time discharged from the sand bed by an additional fluidisation stage and collected in a receiver integrated in the housing of the sand bed, and discharged from there.
Patent DE-3808023-A1 (DE)
Title: Separator
Inventor: LOHNHERR LUDGER ING GRAD
IPC: B07B7/083
Filed: 1988-03-10
Abstract: The invention relates to a separator in which the effective height of the separation space through which gas flows and which is situated between the vane ring and the rotor can be varied by an annular diaphragm adjustable in the vertical direction. In this manner, the gas speed in the separation space can be kept constant in the event of a varying gas quantity, which ensures a uniform product quality.
Patent DE-3809795-A1 (DE)
Title: Information transmission system using IC cards
Inventor: TAKAHIRA KENICHI
IPC: B42D15/10
Filed: 1988-03-23
Abstract: An information transmission system using IC cards (23) is specified, which prevents unauthorised persons from having access to sensitive information during transmission of information between authorised first and second users. The system includes at least one IC card (23), with a circuit arrangement based on a microprocessor, with a memory (39), which contains the sensitive information. A first device, e.g. a read/write unit (11) is provided to write or read the data, including the sensitive information, to or from the circuit arrangement. At least one keyboard (27) is connected to the first device (11), to generate the data which is to be written into the circuit arrangement by the first device. A display unit (25), which responds to the first device, is used to make the sensitive information visible. To make this information visible, the microprocessor-based circuit arrangement compares a first password from the data which is generated by the keyboard (27) and written into the circuit arrangement using the first device, to a read password, which has been stored previously in the memory (39). If the password agrees with the read password, the circuit arrangement allows the first device to read sensitive information from the memory (39) (Fig. 1). <IMAGE>
Patent DE-3810636-A1 (DE)
Title: Roof-light ventilator
Inventor: SCHURIG SIEGMAR
IPC: B60H1/00
Filed: 1988-03-29
Abstract: The present invention of a "roof-light ventilator" aims to provide a device with which it is possible to retrofit a roof-light ventilator in the region of the lifting window without difficulties and with a minimum degree of complexity, while guaranteeing optimum aeration and deaeration of the car interior. The removal of the lifting window already present as standard should not be necessary here, the intention being to leave the retrofitted roof-light ventilator in the region of the roof-light or lifting window. According to the invention, a kit for the retrofitting of the roof-light ventilator is provided, this device having a ventilator for aeration and deaeration and a support frame which can fit, in terms of size, at a distance underneath the lifting window and can be fixed there, and between the supports of which the ventilator can be secured in the region of the window light by means of a mounting.
Patent DE-3810648-A1 (DE)
Title: Switching device in the circulating conduit of a washing machine or dishwashing machine
Inventor: HEISSMEIER WALTER DIPL PHYS
IPC: D06F39/08
Filed: 1988-03-29
Abstract: Known switching devices control the washing-solution flow via various outlet stubs with the aid of a perforated, rotatable disc cam which releases the openings of the individual outlet stubs alternately. The outlet stubs are sealed off in this case with respect to one another via a labyrinth seal. This type of seal is only sufficient at low dynamic pressures. At higher pump circulating powers undesirable leakages are produced via water by-pass routes. The novel switching device has the object of improving the degree of sealing between the disc cam and outlet-stub opening in such a manner that even the use of pumps having a higher circulating power is possible. The disc cam (9) is flexible and covered on its top side by a disc (12) made of soft sealing material and is pressed by the pump pressure in a sealing manner against the opening edges of the outlet stubs (4), (5), (6), (7), (8), which opening edges are provided with an annular bead (13). Because of its high degree of imperviousness the switching device is suitable for use in washing machines with a washing-solution recirculating process. <IMAGE>
Patent DE-3811673-A1 (DE)
Title: Scanning electron microscope method for measuring the profiling, in particular the roughness, of surfaces, and device for carrying out the method
Inventor: KONITZ HERBERT DR
IPC: G01B15/04
Filed: 1988-04-07
Abstract: In a scanning electron microscope method for measuring the profiling, in particular the roughness, of surfaces, the manipulated variable, which is delivered by an autofocus device of a scanning electron microscope, operated with the possible assistance of a wobbler device having a sufficiently large aperture, for controlling the lens current of the objective of the scanning electron microscope, is measured in conjunction with optimum focusing for each measurement point of the surface portion to be investigated. The measured values thus obtained are processed in a computing unit with the aim of obtaining the desired information on the surface profiling. The invention likewise relates to a device for carrying out the method.
Patent DE-3817580-A1 (DE)
Inventor: PAULUS FRIEDHELM
IPC: B22D11/18
Filed: 1988-05-24
Abstract: Method of pouring a metal, in particular steel, from a casting ladle (24) into a tundish (1) or the like by means of a choking slide gate nozzle or stopper end, by which the ferrostatic height of the metal in the tundish (1) is regulated to match a set withdrawal speed of the cast strand. The regulation takes place here with a so-called tendency recognition, i.e. taking into consideration the change of the amount of metal in the tundish (1). Furthermore, with each reversal of correcting variable or motion at the casting ladle closure an error value (alpha) resulting from the system tolerances is added to the correcting variable (Y). The method is also applicable in the case of nozzle closures of tundishes (1), and to be precise in relation to the bath level in the mould (28).
Patent DE-3817676-A1 (DE)
Title: Hydraulic drive motor for limited rotation of shafts, arms, etc.
Inventor: SCHROEDER MAGDY
IPC: F15B15/12
Filed: 1988-05-25
Abstract: A hydraulic drive motor for limited rotation of shafts, arms, etc., has a spindle (16) which is rotatably mounted in a housing (10) and on which a radially projecting vane (17) running in the axial direction is integrally formed. This vane can be pivoted in a revolving manner back and forth together with the spindle (16) inside a cylindrical space (13) in such a way as to be limited by a fixed stop. The vane (17) and the stop (18) divide the cylindrical space (13) into two sectional spaces (26, 27), in which arrangement pressure fluid can alternately be directed into each of the sectional spaces and drawn out of them. To reduce the space requirement and simplify the construction, the spindle (16) is provided with a pot-like recess (19) at the end remote from the vane (17), the inner wall of which recess (19) has a tooth system (21). This tooth system is coupled to a pinion (22) of an output shaft (23). <IMAGE>
Patent DE-3817972-A1 (DE)
Title: Method and device for drying newly moulded perforated bricks
IPC: F26B3/04
Filed: 1988-05-27
Abstract: A method and a device for drying newly moulded perforated bricks, in the case of which drying air is blown onto the end faces, which have perforation apertures, of the newly moulded bricks (6) in order to cause the air to flow through the perforation channels. To maintain an intensive flow of air through the perforation channels, provision is made for the newly moulded bricks (6) to be arranged in a single layer which is directed transversely to the direction in which the air flows through. The blowing device (8) for delivering the drying air has side parts (10, 11) which are provided with air passage apertures and are arranged on both sides of the layer, at which the perforation channel apertures are exposed. Only the air passage apertures take the form of blowing-out apertures in one side part, while the air passage apertures of the other side part constitute suction apertures. The side part having the blowing-out apertures is accordingly acted upon by a forced draught fan (14), while the side part having the suction apertures is acted upon by a suction fan (13) (Figure 1). <IMAGE>
Patent DE-3820207-A1 (DE)
Title: Balance for material which can flow or trickle
Inventor: KINDLER WOLFGANG
IPC: G01G21/24
Filed: 1988-06-14
Abstract: The invention relates to a balance for material which can flow or trickle, having at least one container taking up the material, the container being connected to a measuring element, as well as having a conduit with an emptying valve, conveying the material from the container, in which balance the container is guided vertically displaceably by means of a holding device which can be fastened to the wall or to the ceiling, and in which the measuring element is coupled with the displaceable part of the holding device and is controllable thereby. A rigid, operationally reliable functioning of the balance is characterised in that a vertical guiding tube is used as the displaceable part of the holding device, the guiding tube being fastened to the wall or the ceiling via horizontally arranged spring arrangements, such as leaf springs, in that the guiding tube and the leaf springs are accepted by a U-shaped tube construction fastened onto the wall or onto the ceiling, and in that, in the region of the ends of the vertical protecting tube of the tube construction accepting the guiding tube, openings are provided which enable the connection of the guiding tube with the measuring element and a baseplate carrying the container.
Patent DE-3820846-A1 (DE)
Inventor: MUELLER GEORG
IPC: B65H18/16
Filed: 1988-06-21
Abstract: In a method for advancing the beginning of a web (1) of material, in particular a paper web, from below onto the roller (2) of a winding machine, the beginning of the web is moved upwards on a vertical guide plate (11) by means of compressed air. The compressed air is thereby blown upwards along the surface of the guide plate (11) and essentially parallel to the latter in an essentially laminar stream. Serving for carrying out the method is a device having a vertical guide plate (11), extending over part of the operating width, and having at least one flat jet nozzle (12) which has a plurality of upwardly directed blower openings arranged parallel to the guide plate (11), the distance of the blower openings from the guide plate (11) being less than 10 mm, preferably 0.5-1 mm. <IMAGE>
Patent DE-3823223-A1 (DE)
Title: Process for purifying flue gases containing sulphur oxides and nitrogen oxides
Inventor: LENZ UWE DIPL CHEM DR RER NAT
IPC: B01D53/86
Filed: 1988-07-08
Abstract: The invention relates to a process for purifying flue gases containing sulphur oxides and nitrogen oxides, which flue gases additionally still contain residual oxygen, basic dusts and steam. The procedure is carried out in such a way that at least some of the sulphur oxides are converted to sulphur trioxide at an oxidation catalyst and at least some of the sulphur trioxide reacts directly with the basic dusts, forming solid sulphates and/or reacts with the steam, forming sulphuric acid and the sulphuric acid reacts with the basic dusts, forming solid sulphates and the solid sulphates are separated off from flue gases in a device for dedusting flue gases. At least some of the nitrogen oxides in the flue gases can be reduced by addition of suitable reducing agents which are added into the firing space, at least some of the excess of the reducing agent being converted at the oxidation catalyst to ecologically harmless substances.
Patent DE-3827497-A1 (DE)
Title: Apparatus for coating three-dimensional bodies with a film
IPC: B30B5/02
Filed: 1988-08-12
Abstract: An apparatus for the film coating of three-dimensional bodies comprises a table (10) for receiving a body (14) to be coated, a pressure pad, which can be lowered onto the body and has a membrane (16) which is held in a box-shaped carrier (18), open at the bottom, and a clamping frame (76, 78), arranged underneath the membrane and following the outline of the body at a distance from it, for clamping in the film. The box-shaped carrier (18) comprises a heatable base plate (20) and a carrier frame (22), which is displaceable perpendicularly with respect to the said base plate and holds the membrane (16). Connected to the cavity (34) formed by the membrane (16) and the carrier (18) is a feeding and circulating device (84) for a heated pressure medium. <IMAGE>
Patent DE-3832634-A1 (DE)
Inventor: TETENBORG KONRAD
IPC: B65B43/30
Filed: 1988-09-26
Abstract: A bag-filling device is provided with clamping devices retaining the initially flat bags in the region of the side edges of their opening rims, and with suckers engaging on opposite sides in the region of the opening rims and pulling these sides apart, and with a filling nozzle. In order to prevent the powdery material from adhering to the bag walls in the region of the engagement of the suckers, a transverse strip (22) of elastomeric material is in each case provided at least beneath the sucker(s) (21, 21') on each side on the sucker supports (17, 17'), which strip presses the pulled-apart edge regions of the bags (14) tightly against the side walls of the filling funnel.
Patent DE-3836194-A1 (DE)
Title: Connector for bar-type steel reinforcement members
Inventor: MAIER HANS OSKAR DIPL ING
IPC: C09J5/00
Filed: 1988-10-24
Abstract: A connector for bar-type steel reinforcement members comprises a sleeve which encloses the ends, which are to be interconnected, of the steel reinforcement bars in aligned form and in which said ends can be fixed. In order to simplify handling of the connector, the sleeve (1) comprises a pipe piece with a delimiting stop (2) which is arranged in the central region thereof and is intended for the ends (3) of the steel reinforcement bars. The chambers (4, 5), which are separated from one another by the delimiting stop (2) and are open on the end sides, are provided with a hardening or setting material for securing the ends (3) of the steel reinforcement bars in the chambers (4, 5) in a tension-resistant manner (Figure). <IMAGE>
Patent DE-3903293-A1 (DE)
Title: Optical magnetic-field sensor
Inventor: BOSSELMANN THOMAS DR
IPC: G01R33/032
Filed: 1989-02-03
Abstract: The subject matter of the main application (Patent Application P 3726411.7-GR 87 P 3272 DE) is an optical magnetic-field sensor in which the magnetic-field-dependent Faraday rotation of the plane of polarisation of a linearly polarised light ray (10, 11) which propagates in an optical fibre, is measured by means of an arrangement with heterodyne reception and reciprocal light path. According to the invention, a light source (1) with a frequency-modulatable laser diode (40), which is associated with a Mach-Zehnder interferometer (52, 53, 54, 55), is provided for generating a linearly polarised light ray (2), the direction of polarisation of which rotates at a predetermined angular rate. <IMAGE>
Patent DE-3906642-A1 (DE)
Title: Hand tool capable of being driven by a motor
Inventor: SCHLUETER MALTE
IPC: B23D49/16
Filed: 1989-03-02
Abstract: The invention relates to a hand tool, capable of being driven by a motor, to which a working tool (1), which performs a reciprocating working stroke (4) when in operation, can be secured so that its working portion (19) projects with respect to a supporting table (5) of the hand tool. It includes a working-depth setting device (20), by means of which the length (s), measured in the direction of the working stroke (4), of the working portion (19) of the working tool (1) present can be adjusted and set. <IMAGE>
Patent DE-3908832-A1 (DE)
Inventor: GASSER HERMANN
IPC: B65H67/04
Filed: 1989-03-17
Abstract: There is the problem with can changers that only one sliver can may be held in the ready position, at least in the case of linear changers. In addition, the empty sliver cans must always be taken to the can changers in a certain position. The conveyor device (1) has a driven conveyor belt (4) running horizontally and a rail (13) arranged opposite at a short distance. The distance between the conveyor belt (4) and the rail (13) corresponds to the diameter of the sliver cans (2). The silver cans (2) are transported by the conveyor belt (T), when each sliver can (2) makes a revolution about its vertical axis. One of the uses for the conveyor device is as a can changer in the textile industry.
Patent DE-3915818-A1 (DE)
Title: Open ball joint assembly - has interfitting balls or ball parts consisting of more than half spheres
Inventor: BUETTNER ANKE
IPC: A63F9/08
Filed: 1989-05-16
Abstract: The open ball joint which can be used as a play object comprises inter-rotating parts of balls which have an unlimited amt. of turning axes. The ball parts can be separated from each other without destruction. A ball  (1) or a dish part (2) which is more than half a ball is held by a part-ball dish (3) which projects at least over the centre of the ball dish. The part-ball dish is cut away to a maximum so that more than half remains. An unlimited amt. of ball part dishes can be fitted into each other. The outer radius of the embraced dish is equal to the inner radius of the surrounding dish with the specific material tolerances to ensure reliable turning. USE - For children and the mobility-impaired for  entertainment, therapeutic and learning functions.
Patent DE-3916758-A1 (DE)
Title: Drilling head with adjustable cutting edge
IPC: B23B29/034
Filed: 1989-05-23
Abstract: Published without abstract.
Patent DE-3926462-A1 (DE)
Title: Sepn. of finely distributed magnetic particles in liq. - and their washing, by applying magnetic field in order to deposit solid particles on test tube walls
Inventor: SCHIESSL HANS
IPC: G01N35/00
Filed: 1989-08-10
Abstract: The separation of finely distributed magnetic particles in liquid specimens involves applying a magnetic field to test tubes (40) contg. the liquid to deposit the particles on the tube walls. Residual liquid is removed after a time with the field still applied. The field is applied by permanent magnets (56) on either side of the tubes and pref. at a distance from them.  Several permanent magnets are arranged in sequence in a loop on a tube conveyor. USE/ADVANTAGE - For fully automatically  sepg. and washing magnetic particles, pref. carrying organic substances, in specimen liquids for immunological testing.
Patent DE-3933461-A1 (DE)
Title: Electronic colour recognition system - has logical evaluation circuit relating signals from multiple channels with optical filter and photosensitive elements
Inventor: DIAMANTIDIS GEORG
IPC: G01J3/46
Filed: 1989-10-06
Abstract: The electronic colour recognition system consists of a circuit with two or more channels, each with a photosensitive element (2,7) followed by a signal amplifier (4,9), and a logical evaluation circuit (5) and an optical filter (1,6) for each channel. The lgocial evaluation circuit relates the signals in the different channels to each other to convert the presence of a defined colour and/or the change in the colour mix in the light incident on the photsensitive elements into a corresp. output signal. The optical filters are placed in the light path in front of their associated photsensitive elements and transmit in a defined spectral region. USE - In passive brake signalling system for vehicle, blind person aid, railroad, traffic signalling. Enables information about colour mix of light failing on it to be derived automatically.