baber/WOPTO huggingface dataset:
Patent DE-3827724-A1 (DE)
Title: Power-assisted clutch and gearshift device
Inventor: SCHWARZ JOSEF
IPC: F16D48/06
Filed: 1988-08-16
Abstract: A safety device (1) is arranged in a pressure line (2) between the master cylinder (4), mechanically connected to the clutch pedal (3), and a slave cylinder (5) for operation of the clutch. The said device comprises a safety valve (11) and a 2/2 directional control valve (12), designed as solenoid valve, and closes the pressure line (2) when no gear is engaged in the transmission (7). The solenoid valve (12) can be synchronously switched by way of a control device (9) in order, in the event of premature actuation of the clutch pedal, to prevent jerky engagement on opening of the pressure line (2) after completion of the gearshift. The clutch can also be closed by means of a specific pressure control. <IMAGE>
Patent DE-3831810-A1 (DE)
Title: Item of jewellery and construction kit to produce it
Inventor: DEYM GEB GRAEFIN VON LUETTICHA
IPC: B42D15/02
Filed: 1988-09-19
Abstract: The invention relates to an item of jewellery in which at least one picture (2) is fixed on a basic body (1). In this case, a decorative frame part (3) is provided, which at least partially surrounds the picture (2) and has a window-like cutout (3') which exposes a region of the picture (2). The basic body (1) is preferably a card or the like. <IMAGE>
Patent DE-3836667-A1 (DE)
Title: Device for observing the fundus of the eye by means of laser beam scanning
Inventor: HIDESHIMA MASAYUKI
IPC: A61B3/12
Filed: 1988-10-25
Abstract: A device for observing the fundus of the eye by means of laser beam scanning has an optical scanning device for scanning and illuminating a fundus of the eye by means of a laser beam spot, and an observing image of the fundus of the eye is built up in conformity with the light of the scanning laser beam which is reflected at different areas of the fundus of the eye. The device for observing the fundus of the eye using a laser beam further has an output level controller for automatically controlling the output level of an image signal in conformity with light quantity data on the different areas of the fundus of the eye. <IMAGE>
Patent DE-3838628-A1 (DE)
Title: Device for laying material webs, in particular bitumen and/or plastic webs or the like
Inventor: VOGELSANG HORST
IPC: E01C23/03
Filed: 1988-11-15
Abstract: A laying device 1 for material webs, in particular bitumen and/or plastic webs or the like for sealing technology is proposed. With its aid, the material webs can be unrolled at the point of laying from a material roll 13 and at the same time applied onto the laying surface 20, it being possible to subject the material web and/or the laying surface 20 to a pretreatment, in particular a heat treatment, directly before the laying operation and/or during the laying operation. The laying device 1 consists of a transport waggon 2 or carriage for the raisable and lowerable holding 10 as well as rotationally movable mounting of the material web roll 13. It is further characterised by a treatment device, in particular heat-treatment device 24, which is carried by the transport waggon 2 or carriage and can be assigned to the circumference of the material web roll 13 and/or the laying surface 20, the distance of the material web roll holding devices 10 on the one hand from the laying surface and on the other hand from the treatment device 24 being automatically variable corresponding to the radius reduction of the material web roll 13, and the treatment device 24 in the transport waggon 2 or carriage having an arrangement in advance of the material web roll 13 in the laying direction. <IMAGE>
Patent DE-3904006-A1 (DE)
Title: File for sheets of paper
Inventor: SCHIMA THORSTEN DIPL ING
IPC: B42F7/06
Filed: 1989-02-10
Abstract: The invention relates to a file for sheets of paper, consisting of a base plate with horizontal limit strips arranged thereon, and outer limit strips arranged vertically thereto, and, if appropriate, vertical central strips, which form several compartments lying alongside one another and/or above one another for stacks of paper, and these compartments have holding means on the sides for securing the stacks of paper in the compartments.
Patent DE-3909066-A1 (DE)
Inventor: WUNSCH HORST DIPL ING
IPC: F16L59/02
Filed: 1989-03-20
Abstract: The invention relates to thermal insulation for pipes (5, 5a, 5b) or containers, having an insulation material layer (1, 1a, 1b, 1b') surrounding the pipes (5, 5a, 5b) and a sheet metal jacket (2, 2', 2", 2b, 2b', 2c) arranged over the insulation material layer (1, 1a, 1b, 1b') as surface protection. The object of the invention is to provide improved thermal insulation in comparison with conventional thermal insulations which have a lower structure with supporting rings for supporting the sheet metal jacket (2, 2', 2", 2b, 2b', 2c) and with supporting bolts (7, 7c, 7c', 7c") by means of which the supporting rings are supported against the pipe (5, 5a, 5b). This object is achieved according to the invention in that insulation material belts (3, 3', 3a), with sheet metal belts (4, 4', 4b, 4c) arranged above them, are provided, surrounding the pipes (5, 5a, 5b) at a distance with the insulation material layer (1, 1a, 1b, 1b'), the insulation material layer (1, 1a, 1b, 1b') and the insulation material belts (3, 3', 3a) being in each case pressed together under the sheet metal belt (4, 4', 4b, 4c), and being compressed, and the sheet metal jacket (2, 2', 2", 2b, 2b', 2c) coming to rest against the sheet metal belt (4, 4', 4b, 4c). <IMAGE>
Patent DE-3916360-A1 (DE)
Title: 4,4-di:amino-stilbene-2,2-di:sulphonic acid - by redn. of corresp. di:nitro cpd. in aq. medium presence of hydrogenation catalyst with forming acid or salt as reducing agent
Inventor: ENGELHARDT THOMAS DIPL CHEM DR
IPC: C07C309/46
Filed: 1989-05-19
Abstract: 4,4'-Diaminostilbene-2,2'- disulphonic acid (I) is produced by redn. of 4,4'-dinitrostilbene- 2,2'-disulphonic acid (II) in aq.  medium in the presence of hydrogenation catalysts, using formic acid or a salt thereof as reducing agent (III). (I) is claimed as such. Pref. catalyst is a metal of Sub-Gp. VIII, pref. a Pd catalyst with Na formate as reducing agent; redn. is carried out at 20-80 deg.C and normal pressure. USE/ADVANTAGE - (I) is useful as an intermediate for the prodn. of optical brighteners (claimed). The process does not require the use of hydrogen under pressure, and produces no effluent problems on the large scale (contrast prior-art processes).
Patent DE-3917735-A1 (DE)
Title: Radial tyre
Inventor: SPONAGEL PETER
IPC: B60C9/22
Filed: 1989-05-31
Abstract: Tyre has a radial carcass (1) and a breaker reinforcement (3).  At least one layer of the breaker is formed by overlapping bandage strips (4) wound circumferentially of the carcass.  The overlap between individual strips is selected to be different across the width of the tyre.  The amount of overlap is designed to be greater in regions of low tread profile stiffness, e.g. below grooves, than in other high profile stiffness regions.  In the latter regions there need be no overlap.
Patent DE-3923070-A1 (DE)
Title: Sliding window washing and cleaning unit - has narrow rectangular housing of rubber strips movable over pane by motor drive mounted in frame
Inventor: RIBIC JOVAN
IPC: A47L1/02
Filed: 1989-07-13
Abstract: The driving device is a motor-driven pair of wormgears, cables or belts (16,18) mounted in two parallel opposing frame members (12,14). They slide a horizontal cleaning unit (4) vertically across the window pane (6). The cleaning unit is a narrow rectangular framework (25) of rubber wiper strips (28) pressed against the pane and mounted under a cover strip (30) with a longitudinal brush (36) between the wiper strips. A solution for cleaning or accelerating drying cna be circulated through the unit. USE - Permits simple cleaning of especially exterior window surfaces in tower buildings.
Patent DE-3927838-A1 (DE)
Inventor: FECHNER RAINER
IPC: H04N5/00
Filed: 1989-08-23
Abstract: In known remote-controlled electronic appliances for entertainment, the execution of a command is displayed on the appliance. The displays are sometimes difficult to read at distance. The aim of the invention is to provide the user with a visible display of essential information on the remote control unit itself. A sender arranged in the remotely controlled appliance comprises a control logic which transmits, cyclically and with intervening pauses, current operating and setting data of the appliance to the remote control unit, which is equipped with a receiver. These data can be read in a display field in the remote control unit. Application to remote-controlled electronic appliances for entertainment.
Patent DE-3928303-A1 (DE)
Title: Interruption of data processing program to perform auxiliary program - using interrupt device with two interrupt modes which interact and mutually monitor to ensure interruption
Inventor: BOEHM OLAF
IPC: G06F9/448
Filed: 1989-08-26
Abstract: An interruption device (2) connected to a data processing system (1) via an internal data and address bus uses two different interruption modes (UA1, UA2) which cannot both be changed simultaneously by a single processor instruction to prevent access to both interrupt routines. The two interrupt modes interact and monitor each other so that the interruption process is ensured. The current state of the interrupt device is made accessible to the data processing system via one or more read/write registers. USE/ADVANTAGE - For maximising reliability of interruption of programs running in data processing systems to allow auxiliary programs to run.
Patent DE-3928984-A1 (DE)
Title: Cover and fastening for shearing edges - is used on two relatively movable theatre stage sections, and consists of taut strip, limit switch and rods
IPC: F16P3/12
Filed: 1989-09-01
Abstract: The shearing edge fastening for vertically and relatively movable theatre-stage-sections (1,2) has at least the higher section (1,2) possessing a downward-pointing, taut strip (6,7) near its shearing edge (3,4).  When the two stage sections (1,2) are moved, the gap in height (21) between them is at least partly covered by the strip (6,7). The movement of the strip (6,7) is determined by a control (15) which interrupts the relative movement of the stage-sections (1,2).  The strip (6,7) is made of fabric, netting, foam, plastics leather or paper.  The bottom end of the strip (6,7) takes a metal pipe (13) the movement of which is transmitted to the limit switch (15)by means of a system of rods (12) linked to it. USE?ADVANTAGE - The shearing edges of the stage parts are made secure and the gap between them covered by a taut length of material.
Patent DE-4002064-A1 (DE)
Title: Motor safety vehicle belt buckle - has elongated holes for trunnions on locking plate with open recess at rear
IPC: A44B11/25
Filed: 1990-01-25
Abstract: The safety-belt buckle has a belt andpiece inserted in the lock and with a tongue secured by it. It comprises a metal frame with lateral recesses accommodating the trunnions of a lock for the tongue. Also included are an ejector for the tongue, a support keeping the member in the locked position, and a release button, all spring-loaded. The lock is a plate (8) with an open recess at the rear. Each recess (18) in the frame (7) for the trunnions (19) is an elongated hole extending alongside the path of the tongue (4) and parallel to its direction of movement. Seen in the insertion direction of the tongue, the bottom edge of each hole joins onto a ramp face (27). Dimensions of holes and trunnions are such that the latter can slide in the direction of movement of the tongue in the locked position, but have no free movement in the lateral direction.
Patent DE-4002856-A1 (DE)
Title: Valve for IC engine - has variable-timing hydraulic control with inner and outer rotatable sleeves
Inventor: MUELLER ANDREAS
IPC: F01L9/10
Filed: 1990-02-01
Abstract: The device incorporates a rotary valve (13) with a driven outer control sleeve (14) and a synchronously driven inner control sleeve (15) installed concentrically with the latter (14). For variable control the rotational angles of both sleeves are adjustable in relation to each other and provide a connection between the working chamber (8) and pump (6) via a shut-off valve (7) to open the engine valve (3). With closing of the engine valve (3), the outer sleeve (14) serves as a connection between the working chamber (8) and a spring accumulator (II), via another shut-off valve (16). USE/ADVANTAGE - Hydraulic control of valve in IC engine is combined with energy recuperation.
Patent DE-4009537-A1 (DE)
Title: Independent tool changer for machining centre - has independently driven column with gripper pair moving between tool storage station and spindle
Inventor: ANDERL JOHANN
IPC: B23Q3/157
Filed: 1990-03-24
Abstract: The tool changer is conceived as an independent system for exchanging tools between a tool storage station (I) and machine spindle rotation (II). The column (16) of the tool changes can be driven harmonically along guideways (24) from station to station by swinging arm (23). At the top of the column is a gripper pair (22) by means of which a tool (12) in the spindle (axis perpendicular to plane of paper) can be removed and a new tool (13) inserted. The necessary movements for this operation are executed by the machine NC axes. During movement of column (16) to the tool storage station the gripper pair turns about axis (20) to suspend the tool vertically. Old tools are removed for sharpening and new tools inserted in the gripper whilst the spindle is cutting. USE/ADVANTAGE - Simple, space saving design with fast reliable action. Downtime for tool changing is minimised.
Patent DE-4013049-A1 (DE)
Title: Doppler radar module circuit for object motion detection - has aerial coupled to control circuit for circuit of single active switching element for oscillator and receiver
Inventor: HOHMANN HENNING
IPC: G01S7/35
Filed: 1990-04-24
Abstract: The circuit has an oscillator generating a frequency in a microwave range, a resonator (2) for the frequency stabilising, and an aerial coupled to the oscillator, simultaneously suitable for reflected signal reception for a receiver.  By mixing with the oscillator frequency and following low pass filtering, a movement signal can be tapped at the aerial. The oscillator and receiver contain a single, common, active switch (1), whose load path contains a voltage )source for the current supply. The aerial (4) is coupled to the control circuit of the active switch.  Pref. the latter has a control terminal and two other terminals for specified connections. ADVANTAGE - Improved efficiency w.r.t. reflected signal without increased cost.
Patent DE-4029063-A1 (DE)
Title: Energy absorber is reusable several times - with a high quality factor when made of specified materials
Inventor: LENZ WERNER
IPC: F16F7/08
Filed: 1990-09-13
Abstract: An energy absorber which can be re-used repeatedly and has an almost ideal quality factor consists of a thrust plate with pin (1) and a bush (2) which are displaced relative to  each other by the application of an axial force and absorb the impact energy by friction. Both components are pref. made of ULTRAMIDB3WG7 (RTM). The quality factor is raised still more if quartz powder is strewn over the rubbing surface. ADVANTAGE - This absorber has a high quality factor and can be re-positioned by using a press or an extractor.
Patent DE-4034177-A1 (DE)
Title: Control system for shield driving in tunnel - consists of borehole drilled in direction of drive through which cable is drawn
Inventor: GAISER HERBERT
IPC: E21D9/06
Filed: 1990-10-26
Abstract: A control system for sectional or full cutting sheild driving is activated by a hydraulic press (8). A bore hole (7) is drilled in the direction of the drive, and a cable (5) is drawn or pushed through it. One end of the cable (5) is fastened to an anchor (6) at the target end, and the other end is attached to the shield (2) by a device (4) which exercises a controlled pull on the cable. USE/ADVANTAGE - Maintains the correct line of the drive.
Patent DE-4035051-A1 (DE)
Title: Insulating, self-supporting, gas-tight casing - consists of joined metal sections with fibre filled interior, and profiled frame
Inventor: KERSPE JOBST H DR ING
IPC: E04C2/292
Filed: 1990-11-05
Abstract: The insulating, self-supporting component for making air-conditioned compartments has a gas-tight casing enclosing the evacuated hollow space. The casing is made of interconnected metal sections. The hollow cavity is filled with fibre on which the metal sections of the casing rest. A profiled frame (15, 25, 35) consists of material possessing lower thermal conductivity and bridges a space between the edges of the metal sections (21, 31). One metal section (21, 31), especially that facing the insulated compartment, is bent twice along its edges and is joined by the second bend to the edge strip (26, 37) joined to it, to the profiled frame (25, 35) extending along the edge strip. ADVANTAGE - The insulating, self-supporting component has a lower thermal conductivity near the edges of the metal strips.
Patent DE-4035375-A1 (DE)
Title: Shock absorbent vehicle bearing - has bearing block, with double acting gas spring and with two rigid bearing attachments
Inventor: WEBER OTTO DIPL ING
IPC: F16F13/20
Filed: 1990-11-07
Abstract: The shock-absorbent bearing, esp. for vehicles, has a bearing-block (1) made of resilient material, and a double-acting gas spring (2) between two rigid bearing-attachments (3,4). The gas-spring (2), enclosed by an elastic concertina bellows (5) contains a gas-chamber in which is a throttle dividing the gas chamber into two part-chambers (9,10). The elastic concertina (5) is held tight in a rigid housing (4,13) on the other bearing attachment (40) and has at least one suction valve (14,15). USE/ADVANTAGE - The air spring is automatically loaded or pumped up with the relative movement between the bearing attachments.
Patent DE-4037198-A1 (DE)
Title: Cpd. semiconductor substrate for improved light emitting diodes - has epitaxial gallium-arsenide-phosphide layer on top or layer with improved lattice matching combining gradual and stepped compsn. changes
Inventor: SATOH TADASHIGE
IPC: H01L21/20
Filed: 1990-11-22
Abstract: Epitaxial substrate comprises GaAs or PaP single crystalline wafer on which an epitaxial deposited GaAs1-xPx layer with a fixed compsn. is grown. The substrate also contains an intermediate layer of which part(s)  micron(s) thick, has a constant compsn. and parts have a graded compsn. with a rate of change (delta(x)) of the value of x given by : delta(x) is at least 0.02 and not greater than 0.08. The layers with different compsn., used in the intermediate layer, are pref. deposited in conditions of changing material supply rate and temp. the layer(s) with constant compsn. in the intermediatee layer are deposited pref. at constant temp. and material supply. The first layer of the intermediate layer is pref. deposited at a temp. of 970-890 deg.C and the last layer pref. at 910-800 deg.C. USE/ADVANTAGE - Layer gives better matching of the lattices of the layers of different compsns. than currently used layers with continuously varying compsn. This is shown by a lower incidence of lattice faults and a higher light emission for light emitting diodes made using the substrates.
Patent DE-4037370-A1 (DE)
Inventor: SOMMER HERMANN DR ING
IPC: F27D17/00
Filed: 1990-11-23
Abstract: A process and an apparatus for purifying waste gases from a secondary aluminum melting plant are provided, by which the individual waste gas flows are collected and thermally post-combusted, wherein the generation of the energy necessary for post-combustion is provided by waste substances of high caloric value.
Patent DE-4039322-A1 (DE)
Title: Sheet metal cover for waste-container - has open top with back horizontal part and forward, front sloping part, with cover shaped to match
Inventor: BAUMANN WOLFGANG
IPC: B65D88/12
Filed: 1990-12-10
Abstract: The sheet-metalcover for a metal container (1) uses for industrial waste or stored material needed for re-processing, has an open top (7) with back, horizontal part (8) next to a downward and forward sloping part (9) at an obtuse angle to the front. The cover is divided into a horizontal part belonging to the horizontal part (8) of the container-top (7) to which is movably joined a bottom part by a pivot axle in the sloping part (9) of the container-top (7). USE/ADVANTAGE - The cover protects the container's interior which is made accessible without the cover being removed.
Patent DE-4039460-A1 (DE)
Title: Mowing machine for agricultural or garden use - has cutting tool formed from heat conductor heated by electrical resistance and arranged on trolley perpendicular to direction of travel
Inventor: HESSABI IRADJ DIPL ING
IPC: A01M21/04
Filed: 1990-12-11
Abstract: The heat conductor holder (3) is produced from a material having spring characteristics, which compensates for the expansion differences of the heat conductor (2) at varying temps. The heat conductor (2) is connected with an axial aligned oscillating drive. The oscillating drive is arranged using one or more of the carriage wheels (7). The oscillating drive consists of a cam plate (6) and a spring loaded roller (10), which is connected with the heat conductor (2) of the heat conductor holder (3). A conveying wheel runner (4) is located rotationally on a shaft arranged parallel to the heat conductor (2). The runner (4) has radial open pockets distributed circumferentially, and its periphery is spaced at a small distance from the heat conductor (2). ADVANTAGE - With simple construction gives increased reliability, high mowing quality, reduced maintenance, also considerably reduces noise level.
Patent DE-4101192-A1 (DE)
Title: Indicator device e.g. for telephone subscriber's appts. - uses light conductive piece beneath top part of housing and LED on PCB or switch foil
Inventor: KOERNER GEORG DIPL ING
IPC: H02B15/00
Filed: 1991-01-17
Abstract: The light conductive piece (2) is held between the top part (1) and the p.c.b. or circuit sheet (4) and has a projection (2) extending through a hole (11) in the top part, and aligned above the LED (6), together with at least one circular pad (8) fitted at some distance from the projection on the side facing the inside (12) of the top part. The hole (11) has a collar (10) on the inside (12) of the top part. The circular pad extends as far as the inside of the top part (1) and, with its nose formation (9), supports the p.c.b. or circuit sheet (4) or a superimposed circuit mat. The projection (7) and the hole (11) extend partially or over the complete length formed conically, the largest dia. facing the inside of the top part. ADVANTAGE - Prevents leakage of contact voltages from part extending from top part to the LED.
Patent DE-4105794-A1 (DE)
Title: Locking mechanism for securing sleeve on journal shaft - uses screw to engage groove cut across splines of shaft
Inventor: KONRAD MATHIAS DIPL ING
IPC: F16D1/116
Filed: 1991-02-23
Abstract: Locking mechanism (7) for securing a coupling sleeve (6) on a journal shaft (4) or a drive journal (5) of a self-propelled piece of equipment or a tractor. A locking device in the form of an expansion element such as a spring screw (16) is provided which has a barrier surface (15) for engagement in an annular groove (12) provided on the splines (9) of the shaft to create a positive releasable connection between the sleeve and the shaft. ADVANTAGE - Simple method of creating a connection free of axial and rotational play between a coupling sleeve and a shaft.