baber/WOPTO huggingface dataset:
Patent DE-4010622-A1 (DE)
Title: Detecting and interpreting leaks using current emitting electrode - moved among flow pipe by measuring current flowing to static earth electrode
Inventor: RAMMNER RUDOLF
IPC: G01M3/18
Filed: 1990-04-02
Abstract: A method of qualitative or quantitative detection of leakage points in non-metallic pipes which carry waste water involves using the effect on an emitted electric current in the region of the leakage point which is affected in its intensity or spatial propagation. The liquid flow passing the leakage point is simulated by an electric current from a current emitting electrode moved along the channel to an electrode on the Earth's surface, or a remote earthing electrode. ADVANTAGE - Enables quantitative evaluation of leaks not possible with conventional methods.
Patent DE-4017017-A1 (DE)
Title: Suction band feed unit - has sheets slowed down by suction unit for accurate transfer onto stack
Inventor: JUNKER JENS
IPC: B65H29/68
Filed: 1990-05-26
Abstract: A suction belt feed unit is used in printing machines to aid in the stacking of printed sheets. A main belt feed system transfers sheets of paper to the suction unit that has a belt (8) that passes around a roller (10) at one end and has suction elements (15) at the other. As the sheets are deposited singly on the surface of the belt, the suction effect provides braking. The suction elements in the end section are moved by an eccentrically mounted roller. Sheets are transferred (5) onto the stalk (6). ADVANTAGE - Positions sheets accurately on stack.
Patent DE-4017069-A1 (DE)
Title: Removing dust from building rubble - involves suction pipe to remove dust and light material
Inventor: DEDERICHS KNUT
IPC: B07B9/00
Filed: 1990-05-26
Abstract: The machine for sorting rubble from building sites and for removing the dust from the rubble has a rotating drum which receives the rubble. A suction pipe (6) connected to a fan which generates an air stream (L) removes dust and light material from the rubble and delivers it to a separator. The separator separates light material such as paper cardboard etc. from the dust. A second fan which generates a second airstream (L2) delivers air through a duct (8) which flows into the drum in the region of the suction pipe (6) and creates a turbulence which improves the separation of  dust from the rubble. USE - Separation of dust from building rubble.
Patent DE-4017259-A1 (DE)
Title: Structure for underground chamber - is used in transition area between gallery and coal face, floor beam, and gallery frame beam
Inventor: RACZ MATYAS
IPC: E21D11/36
Filed: 1990-05-29
Abstract: Hydraulic pistons (21, 22) form with the floor beam (19) and/or the horizontal beams of the gallery frame (20) a three link frame (62) and/or present a stabilising construction which has a link arrangement facilitating a relative movement of the gallery frame beams and the floor beam around at least two aces. The stabilising construction has a three axis link (63). Between the horizontal beams of the gallery frame (20) is a hydraulic cylinder, and a hydraulic work cylinder (24) is introduced between the adjacent end parts of the gallery frame beams and side units. On the floor beam (19) is fitted a landing, and between it and side units is fitted a bar with links. USE - In mining, to construct and support a hollow  underground chamber.
Patent DE-4019865-A1 (DE)
Title: Wall thickness or non-uniformity measurer for rotating tubes - contains ultrasonic probes movable in radial holder channels with supply to space between probes and tube
Inventor: BELLER MANFRED DR
IPC: G01B17/02
Filed: 1990-06-22
Abstract: An arrangement for measuring the wall thickness or non-uniformity of rotating tubes (5) contains ultrasonic probes (6) iin radial channels (8) of a mounting device (2) enclosing the tube. During measurement a liquid line supplies a liquid cushion between the probes and the tube. Each probe is mounted in an associated probe holder (7) which is movable in a radial channel between an initial and a measurement position. In the measurement position the probe holder is elastically pressed against the tube. USE/ADVANTAGE - Required distance between probes and tube automatically adjusted for universal use.
Patent DE-4024817-A1 (DE)
Title: Telescopic aerial with several elements - has element coupling contact member of electrically conductive plastics
Inventor: MENZEL MATTHIAS
IPC: H01Q1/10
Filed: 1990-08-04
Abstract: Each two telescopic elements are interconnected mechanically and electrically by a resilient contact member (13), consisting of an electrically conductive plastics. Pref. the contact member is in the form of an elongated sleeve with a longitudinal slit (14). It is typically injection moulded. The contact member has a cross section eccentric between the inner and outer walls. Its outer periphery may carry distributed knobs.  At one end it may be conically widened and may have an incision in its longitudinal direction. The plastics of the sleeve may contain friction reducing additives, typically graphite. ADVANTAGE - Simple mfr. and assembly, with maintenance-free operation.
Patent DE-4031465-A1 (DE)
Title: Remotely controllable aid for helicopter-basedaerial photography - is mounted on airframe with antenna for transmission of digitised and memorised videoimages and data
Inventor: SCHIER JOHANNES
IPC: G08G1/04
Filed: 1990-10-05
Abstract: The airframe (2) carries an engine (3) and gearbox (4) driving main and tail rotors (5,6), and a forward-mounted video camera (12) with exposure lenses (13). Electronic circuits (9) powered from a battery (8) control the transmission and reception (11) of signals via an antenna (14). Video images and remotely sensed data are digitised and stored for transmission to the ground station, and a cassette (15) full of data can be jettisoned (16) from the airframe (2). USE/ADVANTAGE - Optimal data acquisition and reprodn. are guaranteed from small photoionisation detectors, gas chromatographs, Geiger counters, miniature readars, echo sounders, metal detectors, ultrasonic or infra-red equipment.
Patent DE-4031606-A1 (DE)
Title: Digital multiplication and division circuitry - has control circuit for processing decimal point position using shift register
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1990-10-05
Abstract: A digital multiplication and division circuit operates on two numbers coded in decimal 5211 weighted code. The decimal point processing is controlled by a unit that consists of a main circuit, flip-flops (1-3), AND-gates (4), an inverter (12) and OR-gates (14,16,16). The complete circuit operates when a specific key is operated to signal multiplication. A second key is operated to indicate the decimal point position. Values are entered into shift registers (5). ADVANTAGE - Improved control of decimal point processing.
Patent DE-4033291-A1 (DE)
Inventor: DRAENERT KLAUS PROF DR MED
IPC: B01D39/00
Filed: 1990-10-19
Abstract: A material is composed of a three-dimensional skeleton made of mutually linked bearing beamlet-like structures that enclose predeterminably dimensioned cavities. The material is produced by forming the skeleton around moulded bodies that occupy the space where the cavities will be located, then by removing the moulded bodies. This material can be used for example as an implant or as a filter.
Patent DE-4036938-A1 (DE)
Title: Solar power generator tower - has inexpensive reflectors e.g. inner surfaces of waste drink cartons for diffuse light reflection
IPC: F24S20/20
Filed: 1990-11-20
Abstract: Tower comprises reflections comprising materials which reflect light more diffusely and obtusely than conventional mirrors, e.g. aluminium (foil)-coated cardboard e.g. insides of used Tetra-pack drink cartons. Solar power generator uses solar energy simultaneously for plant photosynthesis (e.g. algae in large bioreactors) and for other uses (e.g. in power generator towers); and energy transport system is used e.g. for a solar power generator tower. ADVANTAGE - Reflectors, opt. mfd. from waste drink cartons.
Patent DE-4038248-A1 (DE)
Title: Pressure-resistant feedthrough assembly for optical fibres - has slits formed in cylindrical body for insertion into bore in pressure-tight housing
IPC: G02B6/42
Filed: 1990-11-30
Abstract: The wall (3) of a pressure-tight housing receives a threaded sleeve (5) with a cylindrical bore (12). A cylindrical body (4) is inserted into the bore and includes through-holes for at least one optical waveguide or fibre (24). The through-holes are in the form of slits (17) which extend along the cylindrical body. The slits have a width equal to the diameter of the optical fibres. The cylindrical body pref. has a circular cross-section having slits distributed equally along its radii. The optical fibres are positioned in respective slits before the cylindrical body is inserted into the bore as far as a stop (13). USE/ADVANTAGE - For encapsulated electrical appts. used in areas where there is danger of explosion, e.g. coal mines. Simplified assembly.
Patent DE-4041301-A1 (DE)
Title: Effect yarn spinner - has separate drives for drawing cylinders with program control for rapid design change
Inventor: AMSLER BRUNO
IPC: D01H1/20
Filed: 1990-12-21
Abstract: In the spinner for mfg. effect yarns, esp. ring spinners, hollow spindle or open-end spinners, at least the drive for each drawing cylinder (24) is mechanically sepd. from the main drive (12). The electromotor (29) for the drawing cylinders (24) can be directly controlled with the basic speed and also with the variations in speed according to the program. The program control for the electromotor (29) has three control systems: a control (35) for the basic speed electronically linked to the main drive; a control (36) to program the yarn effect designs; and a control (37) with a program to give the flame designs through the machine and the material. Pref. the drawing cylinders (24, 28) are directly flanged to their drive motors (29, 22) through reduction gearings (23). For the operating speed control (35), an incremental transmitter (13) with a pulse converter is linked by a signal line (14) either directly to the main control (15) for the electromotor (29) or indirectly to the program control. The effect design control (36) has a microprocessor with at least a readable memory for at least one yarn design program carrying data for thickness, flame strength and length, nominal flame intervals, accelerations and decelerations in the basic speed, and the like. The effect control (36) uses additional actual value parameters from the operation of the spinner, such as the actual position of the heart drive (120) of the ring spinner or spinning voltage values from it. ADVANTAGE - The appts. is a compact assembly, with fine adjustment to give a variety of controlled yarn effect designs as the yarn is spun, with rapid and simple changes from one yarn pattern to another.
Patent DE-4041347-A1 (DE)
Title: Encapsulated integrated circuit chip mfr. - using centrifugal action on droplets of liq. polymer applied over top and shorter sides, to improve IC reliability
Inventor: PAPE HEINZ DIPL PHYS
IPC: H01L21/56
Filed: 1990-12-21
Abstract: Before the integrated circuit chip is pressed with adhesive bonding on to a metallic underlay forming an island within the contact frame, its top and shorter sides are coated with a layer of compressible plastics which covers their edges and is of uniform thickness at least over the top of the chip. Uniformity of the coating, which is pref. crosslinked polyimide, is achieved with the aid of centrifugal forces acting at right angles to the chip surface. ADVANTAGE - Stresses of chip surfaces are reduced using a simple and inexpensive method
Patent DE-4041592-A1 (DE)
Title: Can warming device of low structural height - has easy raising of burner and adjustable air gap
Inventor: THIEMANN GERHARD
IPC: A47J36/26
Filed: 1990-12-22
Abstract: The device for heating cans of foods comprises a beaker-like burner with flame opening and inner ring stand set on the inner circumference. The ring stand (1) which comprises bars and rings has at least two fuel surfaces (2) on the bars and each ring has at least three wells (3) on the inner circumference whilst on the outer circumference there are at least three symmetrically arranged run-up inclines (4). The fuel container (7) is fixed by a fixing device (8) which is mounted at a freely selectable distance and forming a variable air gap (10) between the wall of the fuel container (7) and that of the burner (5). The air supply to the bottom of the burner is through an end edge. USE/ADVANTAGE - The heater has a low structural height with simplified air adjustment device.
Patent DE-4042304-A1 (DE)
Title: Core of pocket springs
Inventor: STUMPF WALTER
IPC: A47C23/043
Filed: 1990-12-31
Abstract: The core of pocket springs (1) has a number of springs (4) contained by parallel chains (2,3) each of which has a continuous row of springs (4) tightly wrapped in a cloth-type covering which joins them. The pockets thereby formed have transverse join-seams (5) parallel to the lengthwise axes of the springs (4).     Near the seams (5), the chains (2,3) have insertion-slots (6) opening towards the same edge, and extending half the chain-height. A second group of chains is at right angles to the first group.
Patent DE-4100546-A1 (DE)
Title: Solidification of liq. manure - by mixing with urea and formaldehyde soln., acidifying gelling and irradiating with microwaves to effect syneresis
Inventor: LOTTERMOSER MANFRED DIPL PHYS
IPC: C05F3/00
Filed: 1991-01-10
Abstract: Liq. manure is solidified, e.g. by heating. Syneresis is brought about by irradiating the gel with microwaves. The microwaves are interrupted periodically with a frequency in the range of sound waves, or the amplitude of the microwaves is modulated with a frequency in the range of sound waves. ADVANTAGE - Energy consumption is reduced. A dry prod. is obtd. In an example, 100 pts. wt. of sieved liq. manure straight from the stalls was mixed with 8 pts. of urea and 15 pts. of 33% HCHO soln. The mixt. was brought to pH 3 with H2SO4, and gelled in 1 h. The gel was passed at 2 cm/sec. through a tube coupled to a microwave generator. An aq. liq., and a crumbly, sprinklable compsn. left the tube.
Patent DE-4102047-A1 (DE)
Title: Rotatably adjustable connector for high pressure hose - has nipple profile corners with at least 90 deg. included angle to prevent damage to hose
Inventor: SPIEGLER LOTHAR
IPC: F16L33/207
Filed: 1991-01-24
Abstract: The connector (1) has a bore (29) opening into a cross-bore (30) at the end (A). At the other end is a nipple (4) over which the hose (2) is forced and which profiled such that profile corners have an included angle of at least 90 deg. The nipple has rectangular section grooves (5) to act as a key against axial movement of the hose. A tapered section (10) beyond the hose abutment provides a rotational seating. The seating and nipple are coated with a PTFE (RTM) film to reduce friction and prevent galvanic effects. The ferrule (7) is of refined steel and is uniformly closed onto the hose to provide a secure, sealed connection which can be rotatably adjusted to eliminate twist and bending moments. USE/ADVANTAGE - Applicable to braking and other high pressure hydraulic systems. Hose remains undamaged by rotational adjustment. Low cost relative to hose.
Patent DE-4107933-A1 (DE)
Title: Facade fire protection system - has hollow metal body fixed alternately to outside and inside glazing clamping members
Inventor: SCHWEINS FRANZ-JOSEF DIPL ING
IPC: E06B5/16
Filed: 1991-03-08
Abstract: The fire-protection system for a facade structure comprises a supporting metal frame with inside and outside hollow profiled members joined together, together with composite glazing secured by seals and fixing devices. The latter pass through lengthwise insulating bodies between the inside and outside members. At the space (14) between the glazing the insulating body (15.1, 15.2) is interrupted by a hollow rectangular metal body (26) running in the lengthwise direction. The fixing devices (16) alternately join the body to the outside (25) and inside (24) members. The composite glazing component (10, 10') comprises one or more fire-resistant panes, and is clamped between the members via non-combustible seals (5-5"'). ADVANTAGE - Simplicity, and resists fire for 30 minutes at least.
Patent DE-4107996-A1 (DE)
Title: Mobile hand-held radio communication unit for use in vehicle - is supported in holder within vehicle and is readily released and replaced
Inventor: BOETTINGER GEORG
IPC: H04B1/3877
Filed: 1991-03-13
Abstract: A mobile radio communication unit for use in a road vehicle is in the form of a hand-held unit (G1) that locates in a pivot-mounted (D) holder (W) supported on a back plate (H). The holder is spring biased such that it moves to the open position when released. At the top of the support plate a release mechanism is in the form of a lever operated slide (Sch). When not in use, the contacts (V1, V2) are engaged. A built-in battery (A) operates the unit. ADVANTAGE - Simple means of support in vehicle.
Patent DE-4111436-A1 (DE)
Inventor: MORITZ DIETER
IPC: D03D15/567
Filed: 1991-04-09
Abstract: A textile fixing band (1), especially for upholstery articles, comprises at least three longitudinal strips arranged next to one another, namely two outer longitudinal strips (2, 3) consisting of warp and weft yarns and made of shrinkable material and one inner longitudinal strip (4) likewise consisting of warp and weft yarns and arranged between the two outer longitudinal strips, the inner longitudinal strip being connected to the outer longitudinal strips by means of weft yarns, these weft yarns running only in specific weft-yarn regions and these weft-yarn regions being at specific longitudinal distances (8) from one another, and, after a shrinkage of the fixing band, the inner longitudinal strip being curved upwards to form individual fixing loops (9) located between the weft-yarn regions and projecting from the plane of the fixing band. <IMAGE>
Patent DE-4112537-A1 (DE)
Title: Calendering paper with reduced energy consumption - by smoothing paper between nip rollers while moisture content of inner layers is up to that of outer layers
Inventor: HOLIK HERBERT
IPC: D21G1/00
Filed: 1991-04-17
Abstract: Paper is smoothed between nip rollers while the moisture content of the inner layers is up to that of the outer layers. The moisture distribution can be produced by restricting the air circulation or by producing a high humidity and/or using steam. The outer layers can be humidified and/or cooled immediately before or during the smoothing operation. The moisture content of the paper can be initially 5-25% and following the treatment 2-15%. A paper line pref. has a dielectric heater prior to cooled calender rolls. The outer layers of paper are also cooled by cooled rolls within a housing. Condensn. on the rolls and opt. on the calender rolls is transferred to the outer paper layers to increase the moisture content. USE/ADVANTAGE - The energy consumption of calendering is reduced by reversing the usual moisture gradient and so reducing the stiffness of the outer layers.
Patent DE-4115690-A1 (DE)
Title: Determining selected time points during regular changes of oxygen@ concn. contained in liquid flowing in vessel - using galvanic cell, with two electrodes with partition in-between, on oxide ion conducting solid body without or with heating
Inventor: MOEBIUS HANS-HEINRICH PROF DR
IPC: G01N27/407
Filed: 1991-05-14
Abstract: The successive vol. parts of the medium flowing in the vessel (9), are firstly conducted over one electrode and then over the other electrode, and the electrical voltage occurring between the two electrodes (1, 2) is measured as a prim. signal and evaluated. In the event of multiple fluctuations of this signal at times, which are small compared to the time for a regulating cycle, with the integration of the voltage over a time, which is smaller than that for the regulating cycle, a sec. signal value is formed. After considering the thoroughness of the mixture and the reaction condition of the flowing medium at the place of the galvanic cell, with the reaching of a threshold or a max. value of the prim. signal or a threshold or a max. value of the sec. signal, the time point for activating a regulating operation is selected. USE/ADVANTAGE - Oxygen sensing system for regulating air-fuel mixture in motor vehicles. Unit miniaturised and quickly heats up in hot exhaust gas. Gives refinement and reduced cost of regulating of noxious emission redn.
Patent DE-4124407-A1 (DE)
Title: Ring laser with polygonal beam path in resonator - uses reflection and output mirrors and deflection elements with two or more mutually offset polygonal beam paths to achieve high output power
Inventor: WEGMANN HEINZ G DIPL-PHYS DR
IPC: H01S3/083
Filed: 1991-07-23
Abstract: The laser contains a reflection (12) and an output coupling (14) mirror, an amplifying laser medium between the mirrors and beam deflection elements (16, 18, 20) at the corners of the polygon. After one transition round the polygonal path the beam impinges on one of hte deflectors so that it is incident on the next deflector element offset w.r.t. the first transition. At least two beam transitions are produced along polygons with sides (A, B, C; a, b, c) alternately offset radially inwardly and outwardly. ADVANTAGE - A thieves high output power with compact design and low adjustment costs.
Patent DE-4125140-A1 (DE)
Title: Sample extraction of light liquid from separator input and output flows - allowing liquid to remain in separator vessel at ambient pressure for defined period, and applying pressure to force out unwanted fraction
IPC: G01N1/14
Filed: 1991-07-30
Abstract: The sample method extracting from the input and output flows of a separator for directly separable light liquids involves allowing a quantity of waste water to remain in a separator vessel for a defined time. The separated fractions are run off into a separate vessels and the light material not directly separated is determined. The samples are extracted by applying a vacuum to the separator vessel and allowing the liquid to remain in the separator vessel under ambient press. Press. is then applied to force out the liquid up to the required fraction into an extraction line. The changeover of the pump from suction to press. and the opening of a valve is controlled by level sensors and a timer circuit. ADVANTAGE - Enables previously manually intensive extraction process to be automated.
Patent DE-4128184-A1 (DE)
Title: Colour distortion reduction circuit for video recorder - applies image carrier to distortion stage with nonlinear amplitude characteristic during playback
Inventor: BRESSAU ERNST DIPL ING
IPC: H04N9/79
Filed: 1991-08-24
Abstract: In the video recorder the FM image carrier luminance signal is recorded together with a colour carrier (c) modulated by the chrominance signals. During playback the signals are separated by frequency-selective filters. During playback, the image carrier (B) is applied to a distortion stage (8) with a non-linear amplitude characteristic. The output voltage (e), within the frequency region of the colour carrier, is subtracted from the colour carrier. Pref. the amplitude characteristic of the distortion stage is adapted to the non-linear amplitude characteristic of the magnetic tape (5) and/or the head amplifiers. ADVANTAGE - Simple design for cross colour distortion redn. at increase of amplitude of recorded image carrier.
Patent DE-4134419-A1 (DE)
Inventor: FRIEDRICH KARL STEPHEN
IPC: G06F3/048
Filed: 1991-10-17
Abstract: A modeling system provides a display of a computer system's configuration along with selected system metrics. An operator can change the configuration by using the display and display commands. Metrics representative of the performance of the computer system would then be determined for the changed configuration, and could presented along with the display of the new system configuration.