baber/WOPTO huggingface dataset:
Patent DE-2655267-A1 (DE)
Title: Scraper blade for cleaning windows, floors etc. - has swivel-mounted blade holder with safety rest position to protect fingers
IPC: A47L13/08
Filed: 1976-12-07
Abstract: The scraper for cleaning windows, floors etc. has a housing (1) which acts as the handle and contains a displaceable holder (12) fitted with a blade (3) and moved from a rest to an operative position. The rear end side of the housing (1) acts as the insert opening (6) for the holder and is circular and has at least one slit-like expansion (14) which is designed so that when the holder (12) is inside the housing the blade (3) fitted therein extends into the expansion along at least its rear end portion (16). In this way when the blade holder is in the inoperative position inside the housing and the latter is carried around in the pocket there is no danger of the fingers or thumbs penetrating the insert opening and striking the blade. The housing pref. has a conical guide (15) which ensures that the blade holder is automatically swivelled into the safety position.
Patent DE-2703307-A1 (DE)
Title: Can openable by single hand - has cylindrical ring with flange securing edge of sealing disc
Inventor: FRIES ARTUR
IPC: B65D43/02
Filed: 1977-01-27
Abstract: The can is opened by three fingers, having a disc sealing it from the outside, and a cylindrical ring in frictional contact with its cylindrical portion. An internal flange at one end of the ring grips the disc edge, and there are recesses formed in the central portion. Opposite these recesses the upper free end of the can is narrower. The recesses can be formed by a peripheral rib. To open, the can is gripped by the thumb and middle finger, and the disc pressed by the index finger.
Patent DE-2704190-A1 (DE)
Title: Protecting metal reinforcements adhering to rubber against corrosion - by short pretreatment with aq. alkali nitrite solns.
Inventor: BRUNNER GOTTFRIED DIPL CHEM DR
IPC: C23F11/18
Filed: 1977-02-02
Abstract: Metallic reinforcements for adhesion to rubber mixts., esp. steel cord reinforcements for pneumatic tyres, are protected against corrosion by pre-treatment with an aq. soln. of alkali nitrite, esp. NaNO2 and KNO2. Treatment is short, taking only the time needed for wetting. Soln. Concn. may be 1% to cold saturation, e.g. for brass- or bronze-plated steel cord, and pref. 10-15% for Zn-plated steel cord. The pre-treated materal is dried at up to 150 degrees C. Treatment prevents corrosion of both brass-, bronze- or Zn-plated as well as non-plated steel cord. E.g. brass -plated streel cord pre-treated with 10% NaNO2 soln. resisted 300000 flexures (De Mattia test) followed by 4 hrs. immersion in water, whereas an untreated cord rusted right through.
Patent DE-2709183-A1 (DE)
Title: Hinge-coupled slide mounts - uses chain link principle to join slides and allow max. flexibility
Inventor: FIEDLER WILLY A DIPL ING
IPC: G03B23/12
Filed: 1977-03-03
Abstract: A hinged joint is for coupling transparency slide mounts together,. The joint is both flexible and disconnectable. The purpose is to allow slides to be stacked in concertina fashion and puled through a projector gate like a chain. The slide mount intself has an extended side for either the projecting or receiving part of the hinge. The two parts can be snapped together and the slide mounts folded back on one another without the hinge disconnecting. The hinge is also the approximate length of the slide mount to prevent flashes of white light as the slides are changed. Slides may be joined in ring formation for continuous projection.
Patent DE-2716432-A1 (DE)
Title: Grinding or polishing machine with endless belt - handles round workpieces which are pushed against loose part of driven belt
Inventor: SCHEUBECK OSKAR
IPC: B24B21/00
Filed: 1977-04-14
Abstract: The polishing machine consists of a drum (3) round which a polishing belt (7) is mounted. Most of the drum is covered by a protective housing (8). The length of the belt is considerably more than the circumference of the drum (3). A loop of the belt is passed through an opening (13) in the housing and passed over a guide roller (6). The guide roller is mounted on an outrigger (7) on the drum cover. The length of the belt is such that it is still loose and does not move with the drum when the drum is rotated. When a round workpiece (15) is pushed against the loose part of the belt, the belt is then pushed into tight contact with the drum and is driven round.
Patent DE-2721635-A1 (DE)
Inventor: POHL DEGENHARD DIPL ING
IPC: H02M7/515
Filed: 1977-05-13
Abstract: For applications in forcible turning-off with a relatively large inductance which acts in the commutating circuit, capacitors (C1, C2) having a large capacitance are connected via turn-off thyristors (T1, T3), which capacitors (C1, C2) operate in only one polarity and are thus cheap. The second thyristor (T2) and the second small capacitor (C2) enable respectively reversed connection of the large capacitor (C3). The device is intended in particular for converter-supplied drives with asynchronous machines. <IMAGE>
Patent DE-2724467-A1 (DE)
Title: Liq. aeration appts. esp. for liq. manure - comprising a rotatable air suction tube having vertically spaced outlet lines
Inventor: MAIER GOTTFRIED
IPC: B01F7/16
Filed: 1977-05-31
Abstract: Appts. comprises an axially rotatable, immersible, air suction tube having vertically displaced outlet lines arranged at the tube end to extend in a direction opposed to that of the rotation. As the tube rotates (e.g. 900-1500 rev./min. the outlets produce cavitation in the liq. and the ensuing vacuum draws in air through the tube which mixes and disperses in the liq. Appts. has few immersed parts and simple handling, with bulk material.
Patent DE-2729240-A1 (DE)
Title: Reactive mono:azo dyes of 1-amino 8-hydroxy naphthalene series - contg. 2-fluoro 4-phenylamino 2-triazine gps.
Inventor: WUNDERLICH KLAUS DR
IPC: C09B62/085
Filed: 1977-06-29
Abstract: New reactive dyes of formula: (in which D is the gp. of a diazo component; R1 is H or alkyl; R2 is SO3H, SO2NHR1, SO2NR1R3, COOR1,CONHR1, CONR1R3, CN, OH, halogen, alkyl, alkoxy or ureido; R3 is alkyl; n is 1, 2 or 3). Used for dyeing or printing of textiles, contg. OH gps. or N atoms, esp. native and regenerated cellulose fibres, in red shades, by usual methods, esp. dyeing by exhaust processes from long baths. Good to excellent light and wet fastness can be obtd. Pref. dyes have the SO3H gps. in 3,6- or 4,6-positions.
Patent DE-2729282-A1 (DE)
Title: Pulse signal transmission circuit with photocoupler - has Zener diode across phototransistor connected to input of transmission line fed with constant current at far end
Inventor: WAGNER KARL-HEINZ
IPC: H04L25/26
Filed: 1977-06-29
Abstract: Electrical pulse signals are supplied to a transmission line (2) via a photocoupler (1) for d.c. isolation and to prevent feedback. A zener diode (5) is connected across the phototransistor or photo diode of the coupler and in parallel to the line input. The far end of the line is connected to a load and supplied with a constant current (ik). Any fault in the line will be immediately apparent at the signal receiver. The zener voltage is a multiple of the saturation voltage of the phototransistor. The differential resistances of the zener diode and of the phototransistor are matched to the characteristic impedence of the line.
Patent DE-2754585-A1 (DE)
Title: Prefabricated structure shuttering core - has walls with overlapping top and bottom sections sliding vertically over each other
Inventor: GAERTNER FRANZ
IPC: B28B7/22
Filed: 1977-12-08
Abstract: The shuttering core is for the construction of prefabricated garages etc., having sidewalls movable for a limited distance at right angles to their main surfaces, and an end wall. Each wall (11, 12) comprises top (14, 15) and bottom (16, 17) sections overlapping each other, and sliding vertically over each other at the overlapping portions while continuing to bear against each other. The top sections can overlap the bottom ones, and to form the end wall (13) the side ones can have sections (18-21) extending at right angles and overlapping each other. A top end wall section can have a vertical guide, sealed aginst the ingress of concrete, for a bottom section, and also a horizontal guide (23), similarly sealed, for the adjacent end wall top section.
Patent DE-2802154-A1 (DE)
Title: Vertical slat venetian blind drive motor - has coupling operable to engage either sliding or swivelling drive of slats
Inventor: TIPPMANN HEINRICH
IPC: E06B9/36
Filed: 1978-01-19
Abstract: The motor drive mechanism is intended for a Venetian blind with vertical slats which can be horizontally moved as well as rotated about their longitudinal axes. The slats are held by carriers running in a rail can be swivelled via a swivelling shaft (18) extending through the carriers. The sliding and swivelling motion is provided by a motor (51) with reduction gearing (2-5). The reduction is connected to a slidable coupling (6) which can be moved to either connect with the slat sliding drive (9-10) or with the drive (12-15, 19, 18) controlling the slat swivel action. The coupling (6) may be pivotally connected to a lever (8) spring-loaded (7) at one end which can be made to engage, or disengage from, an axially spring-loaded (23) rod (11).
Patent DE-2812447-A1 (DE)
Title: Treatment chamber for bronchial complaints - has air conditioned hood of min. volume with ergometer, monitoring and control system
Inventor: MEYER JOHANN DIETRICH DR MED
IPC: A61B5/08
Filed: 1978-03-22
Abstract: The treatment chamber for bronchial complaints is formed by a transparent housing (1) completely enclosing the patient with appts. for stabilising the climatic conditions inside. A set of electrodes (22) connected to the patient monitors his condition and supplies signals to a control system which operates the supply or delivered by a breathing tube (28) as well as the air circulating system and the heating and humidity control systems. At the end near the patient's head is an air delivery unit (11) at the other end is an extraction system (15) with a control valve (17) and an extraction fan (16). The valve is a Laval jet. The patient's feet operate an ergometer (7). The construction gives a min. vol. having a half elliptical shape which decreases in side towards the head end.
Patent DE-2815774-A1 (DE)
Title: Thermostatically controlled mixer for hot and cold water - with thermostat responsive on opposite sides to different mixtures having different temps.
Inventor: SCHMIDT HEINZ
IPC: G05D23/13
Filed: 1978-04-12
Abstract: One side of the thermostat is controlled by a first water mixture that contains definite fractions of the hot water and the cold water that flow through the mixer. The second side is controlled by a second water mixture that contains the remainder of the hot and cold water. After contact with the thermostat, the two mixtures are combined to give a final mixture at the desired temp. This arrangement significantly reduces fluctuations in proportionality.
Patent DE-2823666-A1 (DE)
Title: Electronic control device for engines of motor vehicles - has strip with fuel channels and supporting power stage with case filled with foamed material
Inventor: WALZ LUDWIG
IPC: B60R16/023
Filed: 1978-05-31
Abstract: The device has a case containing a circuit board with an electric circuit and components of an electronic control circuit. The device has at least one connector case with projecting outward contact pins. The case has a strip (10) with cooling agent channels (11, 12, 14). It supports a power stage (28). The cooling agent channels (11, 12) are connected to the engine fuel pipe, and the case is filled with a foamed material (34), damping vibrations. It is heat resistant and insulating.
Patent DE-2828880-A1 (DE)
Title: Fluid throughput measurement system - is used for flow regulation and has flap valve with nonlinear characteristics covering wide flow rate range
Inventor: GAUBE ERNST
IPC: G01F1/28
Filed: 1978-06-30
Abstract: A method of measuring throughput in a flow channel is partic. suitable for flow regulation. It enables the corres. device to encompass a wide range of volumetric throughput per unit time and of the characteristics of the fluid mechanism. The measurement device consists of a flap or plate valve (24) with a characteristic response against throughput which is less than a linear response over at least part of the range. The valve position corresp. to a number of flow paths distributed across the channel cross-section.
Patent DE-2831869-A1 (DE)
Title: Naphtha treatment of refinery bottoms - to form metal-rich calcinable solid for metal recovery
Inventor: SELVIDGE CHARLES WILLIAM
IPC: B03B1/04
Filed: 1978-07-20
Abstract: A readily calcinable solid material is obtd. from a metal-contg. bottoms prod. formed during refining (esp. hydrodemetallisation) of crude oil feeds by treating the bottoms prod. with naphtha at high temp. and pressure, sepg. the liq. phase with a low metal content, and recovering the solid phase. Also claimed is a process for recovering metal (esp. vanadium) values from crude oil feeds. This process comprises refining the feed to form a metal-contg. bottoms prod. treating this with naphtha as above, calcining the solid phase at 300-900 degrees C, and recovering metal values from the calcined prod. The naphtha treatment yields a solid material which can be calcined under relatively mild conditions without forming a plastic mass. It is not necessary to recover the naphtha, which can subsequently be used as a fuel.
Patent DE-2840549-A1 (DE)
Title: Flow control fitting stuffing box - has threaded bush with saw-toothed formed face side engageable with top packing ring
Inventor: PLATTES CLEMENS
IPC: F16K41/02
Filed: 1978-09-18
Abstract: The stuffing box is for spindle of a flow control fitting, and has a threaded bush screwed into a housing part which accommodates it. The threaded bush (4) face towards the packing rings (3) is divided into surfaces located in different planes. When the stuffing box is pressed in, these face edges engage in the uppermost packing ring (3). The actual formation of the face side surfaces is in the manner of rising saw teeth.
Patent DE-2844599-A1 (DE)
Title: Double-walled, indirectly heated water heater - comprises water-feed and draw=off, heat-exchanger, and vinyl! or polyurethane lining
Inventor: KIRK JUN CHESTER H
IPC: F24H1/18
Filed: 1978-10-13
Abstract: Indirectly heated water heater comprises a lined, composite container; an installation for supplying cool water and discharging heated water; a heat-exchanger inside the container for heat-transfer from a fluid passing through the heat-exchanger, into the water in the container; a heat-insulation about the container. The components of the container are welded together. The heat-insulation comprises a jacket defining, together with the container, a heat-insulating evacuated space. The heat-exchanger comprises a tube with ribs. The lining consists of a vinyl resin or a polyurethane about 0.5 mm thick.
Patent DE-2853207-A1 (DE)
Title: Short time emergency supply for frequency converter system - uses single synchronous machine with flywheel as energy store
Inventor: WEISSER WOLFGANG
IPC: H02J15/00
Filed: 1978-12-08
Abstract: During normal operation of the static frequency converters the synchronous machine, and its flywheel, runs as a motor connected to the converter bus-bar. The mains is connected via a solid state switch to the converter bus-bar. Mains interruptions, or major voltage depressions, are sensed by a logic unit. The bus-bar connector is put into the blocking mode and the machine goes over to the generating state, providing energy from its rotating mass to supply the converter loads. On restoration of the mains the machine is tripped, the converter rectifier sections blocked, and the connection between converter bus-bar and mains re-established. Subsequently, the converters are restored to normal operation and the machine reconnected. The converter interruption time on mains restoration is some 0.05 second. The motor stored energy is typically sufficient for maintaining converter output for 3 seconds. In the normal state the machine acts as power factor correcter for the converters. A typical application is to variable speed drives in synthetic yarn mfr.
Patent DE-2854813-A1 (DE)
Title: Sliding door damped closing mechanism - has prestressed helical spring in drive with releasable arresting action
IPC: E05F15/643
Filed: 1978-12-19
Abstract: The device is used for closing ordinary or large industrial -type doors, esp. large sliding doors, where the closing movement is subjected to modulation over the whole length of movement. A prestressed helical spring (2) - or one prestressed by the opening movement - is incorporated into the drive component (1) generating the closing movement. The closing movement may be arrested in the open or intermediate position of the door, the arresting action being releasable in response to control units reacting to changes in condition. An electro adhesive magnet (8) can provide the arresting action, while the spring is mounted on a cable roller (3) for a cable connected to the door drive. This permits automatic closure, even from intermediate positions.
Patent DE-2902761-A1 (DE)
Title: Numerically controlled gear teeth generator - has separate drive for tool and workpiece spindles with speed-setting planetary gearing
Inventor: SITNIKOV ANATOLIJ MICHAILOVITS
IPC: B23F23/00
Filed: 1979-01-25
Abstract: The generation of spur, bevel or other gears is ensured by a numerically controlled hobber drive of tool spindle workpiece spindle rotation. The same drive controls the linear advance of the tool spindle while the corresp. support of the hobber can turn around its axis. adjustment of the speed of the workpiece spindle is achieved with planetary gearing featuring a separate drive ensuring simplified handling of the machine. The numerical control enhances the accuracy of gears as well as improves machining efficiency.
Patent DE-2907776-A1 (DE)
Title: Data protection system securing data-base main file - only opens main file for read during processing and stores new records in temporary file
Inventor: FEICHT ERNST J DR
IPC: G06F11/14
Filed: 1979-02-28
Abstract: The system secures a data base by opening the main the only for reading during data processing. All new or changed data records occurring during data processing are entered into a temporary file instead of the main file. The log tape logs all new entires and changes. Once the data processing run has ended or been interrupted the main file is opened briefly for writing in and all data records written in since the last transfer from temporary to main file are also transferred to the main file. The latter is then closed to block writing in. The records transferred from the temporary file are not deleted from that file after transfer. The main file is periodically copied to tape and then the temporary file is deleted.
Patent DE-2912435-A1 (DE)
Title: Level control amplifier for aerial - has gain control over fifty decibels achieved using two variable attenuators and two amplifying stages
Inventor: ENGLERT REINER
IPC: H03G3/20
Filed: 1979-03-29
Abstract: The amplifier has a variable attenuator (15) located between two amplification stages (14, 16). The output of the output amplification stage passes via a coupler (17) to the output (18). The coupler couples out part of the signal and applies it to the control input of the variable attenuator. The control signal increases the signal-to-noise ratio at small to medium signals. A second variable attenuator (13) is coupled to the input of the input amplification stage and comes into operation only after the input signal exceeds a given level in order to prevent the input amplification stage being overdriven. The second attenuator is controlled by the output from a trigger (12) responding to the input signal derived via a coupler (11).
Patent DE-2913513-A1 (DE)
Title: Text processor for accounting or invoicing machines etc. - has memory for recurring data, from which they can be written into main memory according to respective address
Inventor: TILLICH PETER DIPL ING
IPC: B41J5/46
Filed: 1979-04-04
Abstract: The text processor is intended for work, in which certain plate recurs several times in unchanged form, such as dates, letter beginning and ending phases or formulae etc. It may be in the form of text processing automatic appts accounting or invoicing machine etc. It has and alphanumeric and function keyboard for the data input into an operational and main memory (4) respectively. A recurring data (constant) memory (8) is provided for multipile application. The functional and processing steps are centrally controlled. The constant data can be transduced into the main memory after further addressing, and can be selectively recalled from the same. The main memory pref. has several storage sections (17) of constant capacity for accepting the recurring data.
Patent DE-2916278-A1 (DE)
Title: Coin operated vending machine - has drawer operating bar with pivoted lever engaging release mechanism
Inventor: GRUENIG DIETER
IPC: G07F11/16
Filed: 1979-04-21
Abstract: Simplified and robust design of the vending machine with enhanced reliability ensures easy replacement of components. The release mechanism is movable and the lockable wedge is pivoted on the carrier and linked to the push bar. The cigarette boxes (2) are in shafts (1) terminating with drawers (3) the bottom of which has a guide slot (4) for pin (5) of the push bar (6). The insertion of a coin trips the release mechanism (8) and the coin (10) passes through the checking station leading to the coin stacking shafts (1). The sensing arm (17) of a wedge (13) is below the bottom of the shaft (11) and a cam is connected to the wedge for actuating a thread cutter. This prevents pilfering by inserting a coin attached to the thread for withdrawal after the cigarette packages are withdrawn.
Patent DE-2918960-A1 (DE)
Title: Voltage testing circuit for battery operated measuring appts. - has electronic switch between measuring appts. and battery pole, breaking on operating voltage drop below preset value
Inventor: FELLHAUER MICHAEL DIPL ING
IPC: G01R31/36
Filed: 1979-05-11
Abstract: The voltage testing circuit prevents faulty measuring results with a battery operated measuring appts (7). Between the latter and the battery pole (1) is incorporated an electronic switch (3), blocked when the operating voltage (UM) has dropped below a preset value. Pref. the volt. is tested at a switching point between the appts. and the electronic switch, while a capacitor (4) provides short-term switching of the electronic switch on starting the measuring appts. The capacitor provides this switching of the electronic switch when a mechanical switch between the battery and the measuring appts. applies a volt. to the latter. The electronic switch comprises a transistor (3) whose emitter is coupled to the battery pole and whose collector links to the measuring appts. while its base goes to the other battery pole via a collector-emitter path of a second transistor (11). This transistor base is linked to a tap of a volt divider (9, 10).
Patent DE-2919658-A1 (DE)
Title: Electrical safety interlock switch - has key barrel intermediate lever and switch shaft with coaxial interlock bushes all in parallel axial location
Inventor: MERKLE PAUL
IPC: E05B29/00
Filed: 1979-05-16
Abstract: The safety interlock switch, for electrical circuits, uses a rotating switch movement and a separate cylinder lock with interlocking rear mechanism to the rotatable switch mechanism. Intermediate linkages have parallel axes to those of the switch and lock mechanisms. The intermediate interlock mechanism (11) is to the switch shaft (8) and couples with a tubular bush (13) to achieve a further operational coupling to the switch control knot (12). The key barrel (28) is mounted onto the front plate (2) of the housing, as is the switch operate control (12), and the key interlock bar (23) is mounted between key mechanism (26) and switch shaft interlock (11) also parallel to both and with a fixing to the switch front plate (2).