baber/WOPTO huggingface dataset:
Patent DE-2419448-A1 (DE)
Title: City with underground transport - has roads at cellar level and preset electric cars accessible from cellars
Inventor: TANG ULRICH
IPC: B61B1/02
Filed: 1974-04-23
Abstract: The transport means for passengers and goods are underground, leaving space e.g. gardens, pedestrian or cycle paths on the surface. Houses are built on the ground with cellars underneath and the transport system is incorporated into each house accessible from the cellar. Electrically driven cars are used which are preset to reach their destination and enable high traffic flows to be achieved. The design can be adapted to existing cities by sinking the roads to cellar level and adding cellars in the space produced. In order to cope with rush hour conditions at the centre of a city a combination of stopping and acceleration lines or braking and high speed lines is used.
Patent DE-2421876-A1 (DE)
Title: 4 - tubes from flexible units folded together are inserted in line
Inventor: HOFFMANN DIETER
IPC: E21F1/04
Filed: 1974-05-07
Abstract: Procedure for extending a ventilation line in mines consists of individual flexible tube units, especially a blowing ventilation line during driving of a roadway, by which, in the front of the line, is incorporated a flexibly compressible and expandable tube unit. The ventilation line is extended as required by a flexible tube unit inserted in the ventilation unit behind the flexibly compressable and expandable tube unit. The flexible tube unit consists of a number on top of each other arranged part units joined together and provided with a fitting at free ends for attaching it to the ventilation line. When inserted in the ventilation line the on top of each other folded part units are pulled apart to form continuation of the ventilating line.
Patent DE-2421993-A1 (DE)
Title: Hearing aid with two sound inlets - large propagation time delay is produced for sound coming from front
Inventor: RENATUS GUSTAV DIPL ING
IPC: H04R1/38
Filed: 1974-05-07
Abstract: The device has negative feed-back and is so arranged that there is a very small time delay for sound coming from the side or from the back. Sounds from the two inlets are applied to two microphones or diaphragms. The sound path difference for the microphones is 6.5 cm or more for the sound coming from the front, and less than 2.5 cm for sound coming from the other directions and the paths are practically equal. Propagation time delay for the rear microphone with respect to the front microphone corresponds to half the wavelength in the middle of the speech band and of the hearing aid frequency band.
Patent DE-2422456-A1 (DE)
Title: Dispersible styptic compsn based on polymanuronic acid - contg an astringent soln and propellant
Inventor: RABENECK KARL-HEINZ
IPC: A61K6/02
Filed: 1974-05-09
Abstract: A dispersible styptic compsn. comprises (a) 2-8, pref. 4wt. % of a known styptic compsn. contg. polymanuronic acid, dissolved in (b) 50-60wt. % astringents which are soluble in water to the extent of 10-20%, esp. tannic acid; and (c), added to the soln., about 40wt. % (dry basis) of one or more fluorohydrocarbons or similar cpds. as propellant. Addn. is pref. effected with the styptic-astringent soln. in a pressure vessel fitted with a metering and atomising valve. Compsn. can be applied more quickly than compsns. where the styptic is supported on a solid carrier e.g., on dentistry or accident treatment.
Patent DE-2432803-A1 (DE)
Title: Caravan with canvas roof - stretched over cylindrical shell and secured on flat end pieces
Inventor: BUSCH FRITZ
IPC: B60P3/32
Filed: 1974-07-08
Abstract: The caravan body is made up of a cylindrical shell, of moulded plywood etc. over which a waterproof canvas is stretched. The ends of the canvas have tightening cords (11) threaded through seams and are tacked onto the flat ends (3) of the caravan by means of decorative nails (15), for a secure fitting. The bottom of the caravan is made up of a tray shaped trolley with sloping sides (4) to run tangentially into the cylinder shape. The top of the body is fitted to the bottom by detachable couplings. The system provides good wind resistance and is extremely waterproof.
Patent DE-2436892-A1 (DE)
Title: Inflatable rescue aid for swimmer - with gas bottle inflated raft in hinged capsule thrown to swimmer
Inventor: PRAGER IRWIN DANIEL
IPC: B63C9/15
Filed: 1974-07-31
Abstract: A plastic capsule is made from two half shells hinged at one end, and fitted with a securing catch at the other. The capsule contains a light walled, folded inflatable life raft and a bottle of compressed gas. The capsule is pulled open using special outside grips. An arm moulded to the hinge of one half shell presses a plunger into the end of the gas bottle to release the gas. The arm is fitted with a roller to prevent damage to the thin life raft, as the gas bottle is inside the raft. As the raft is inflated it pushes itself out of the capsule, to which it is attached by a short line.
Patent DE-2443761-A1 (DE)
Title: Agricultural trailer with removable load - has detachable swan neck tow bar for high or low coupling
Inventor: KRONE BERNARD
IPC: B60P1/64
Filed: 1974-09-13
Abstract: The agricultural trailer has a chassis comprising two main, parallel frame members (4) across whose front ends the cable winch (6) is slung, while the rear end is braced by a cross member. The cable winch is used to pull the removable skip onto the frame. In front of the winch the main frames are bent into a converging shape to provide a mounting for a V-shaped two bar attachment (2). The tow bar attachment is in the shape of a swan neck so that a high or low coupling position is obtained depending on which way up the tow bar is bolted t the frame.
Patent DE-2451776-A1 (DE)
Title: Removal of cationic substances from effluent - using a suitably treated cellulose material opt. contg. active carbon
Inventor: WEGMUELLER HANS DR
IPC: C02F1/54
Filed: 1974-10-31
Abstract: An agent for removing cationic materials from industrial effluent consists of a product obtained by treating a precipitant-pretreated carrier (I) with an aromatic anionic material (II) and opt. additionally with active C. Product offers high retention and easy disposal of exhausted filter. Esp. used for treating effluent from cationic dyeing processes, from the chemical, textile and paper industries and for removing optical bleaches. (I) is pref. cellulose and is pref. pretreated with 2-30 wt. % of the polymer associated of DT 2451799.
Patent DE-2457128-A1 (DE)
Title: Light signal phantom light elimination - polarisation filter at fixed point in inlet path of unwanted light
Inventor: GERKE RUDOLF
IPC: G08G1/095
Filed: 1974-12-03
Abstract: To eliminate the 'Phantom' light effect in traffic lights and railway signal lamps, a polarisation filter is positioned in the light ray channel of the foreign light which enters the signal lamp from outside, taking up the complete light outlet opening for the purpose of linear polarisation of the foreign light. A delay layer coating is also fitted behind the polarisation filter when viewed from the observer with its wavelength corresponding to that of the foreign light which is penetrated by the foreign light during entry and by the reflected light during its return. Their axes cut the polarisation plane of the polarisation filter below an angle of 45 deg. The delay layer coating (5) is positioned in the short wave part of the visible light for one wavelength.
Patent DE-2457176-A1 (DE)
Title: Watertight double fitting for fluorescent lamps - has elongated case with space to accommodate contact springs at each end
Inventor: HENRICI DIETER DIPL ING
IPC: B29D11/00
Filed: 1974-12-04
Abstract: Fitting elements are provided at the case ends, while the middle part of the case has a covered recess for connecting wires, which is accessible from outside. Through connections lead from the recess to the contact spring. The recess (16) with clean inner surfaces and accessible from the back, has a hole with a cover and locking elements; it extends over the case almost whole length up to the contact springs (17); open channels (19) are provided between this recess (10) and the space for the contact springs, limited only by the case bottom and ribs (21) arising up from the bottom; contact springs (17) are mounted directly at these channels.
Patent DE-2457843-A1 (DE)
Title: Vertical vibration fluid filter - has inclined filter plate stacks on vertical drainage tubes
Inventor: SCHAMSUTDINOW URAL GILJASITDIN
IPC: B01D29/00
Filed: 1974-12-06
Abstract: A vibrating fluid filter of the vertical type has two vertical drainage tubes on which the filter insert discs are carried between spacers. The filter inserts are inclined towards the central discharge opening at the bottom of the tank; there edges lie above the discharge opening. A vibrator is attached to a crosspiece at the top which supports the drainage tubes. This ensures an even deposn. of the solid layers on the filter inserts; the layers are securely held and can be flushed out prior to removal.
Patent DE-2501929-A1 (DE)
Title: X-ray examination device cassette positioning drive - has electronic valve control for operation of single axle motorised drive
Inventor: KUNERT HEINZ-PETER
IPC: G05D3/16
Filed: 1975-01-18
Abstract: An Xray examination device in partic. an Xray sighting device in which the position of a component part partic. a cassette carriage is controlled by a motorised single axle device, has the single axle control constructed with a twin point controller having an applied alternating voltage applied to its input as well as a signal dependent upon the difference between actual and required voltage values. An equilibrating device circuit is provided which suppresses the alternating voltage and short circuits the twin point controller when the magnitude of the difference between actual and requisite values is below a specified level.
Patent DE-2506552-A1 (DE)
Title: Securing points for safety belts - using holes cut into double walled frame ribs of body
Inventor: PETER ERWIN ING
IPC: B60P7/08
Filed: 1975-02-17
Abstract: In order to fit safety belts in commercial vehicles, as well as securing straps which are used to retain the loads, a system of mounting holes are provided in the sides and floor of the vehicle. The separate body panels are joined together either with box frame sections or have their edges forming a hollow frame by virtue of their profiled edges. The holes are cut into these sections to provide a clean mounting point, which does not extend through the wall of the vehicle. The appts. can be used for floor points so that when not in use, the floor is not cluttered with mounting points.
Patent DE-2507512-A1 (DE)
Title: Axial flow impeller for gas turbines - is constructed of ceramic kept in compression by an outer band
Inventor: HUETTER ULRICH PROF DR RER NAT
IPC: F01D5/28
Filed: 1975-02-21
Abstract: Imperller has a disc (1) keyed to the drive shaft (2) and carrying profiled axial flow blades (4). The outer edges of these are surrounded by a shroud ring (5) which carries further bladelike radial vanes (7) on its outside. The outer edges of these are surrounded by a further shroud ring (6). The whole impeller consisting of disc, two sets of blades and two shroud rings is made of a ceramic material. a band (8) of fibrous material is shrunk on round the outer shroud ring and puts the whole impeller under a compression stress greater than the maximum tensile stress caused by centrifugal action. Hot gases flow through the inner blades (4) and a cooling fluid circulates through the outer blades (7).
Patent DE-2509422-A1 (DE)
Title: Autonomous solar heating system - is integral, and unit constructed of tubular heat collecting profiles
Inventor: DUEVEL CHRISTIAN
IPC: F24S10/30
Filed: 1975-03-05
Abstract: The solar heating system is independent of conventional fuel and heating, during the whole year, and at central European climatic conditions. It consists of a large solar energy collection panel on the sun-facing side of the roof, which utilizes direct solar heat, and that stored in the atmosphere. Connected to the panel is a warm water storage pool, which may be used as an open air swimming pool during the summer. The storage pool simultaneously serves as a heat collector for intensive utilization of direct solar heat, and that stored in the air and/or the soil. Integral with the system is a large room heater, having heating pumps, to serve as an auxiliary for utilization of heat stored in the surroundings and the solar heat stored in the system, during long sun-less periods. The three components of the system are unit-constructed from tubular heat collector profiles.
Patent DE-2509835-A1 (DE)
Title: Multilevel immediate access storage configuration - for timesharing data processors, improves efficiency of scratch pad store usage
Inventor: SCHNEIDER PETER DR
IPC: G06F12/0811
Filed: 1975-03-06
Abstract: The processor contains essentialy two levels of immediate access storage, namely a main or backing store (HS) and a scratch pad store (CA). These are connected to the central processor (ZP) by a suitable interface unit (HU) which ensures that when a demand is made by the central processor for an address not at present in the scratch pad store, it is refilled from the appropriate block in the main store. A change of programme instigated by the timeshing facility, produces this effect and degrades the performance of the system normally. An intermediate store (ZS) and the appropriate interface (ST) which stores the contents of the scratch pad store register type elements (SR).
Patent DE-2514279-A1 (DE)
Title: Load controlling thyristor bridge rectifier network - has transformer with two secondary windings driving two four thyristor bridge networks
Inventor: FOERSTER JOHANNES PROF DR ING
IPC: H02M1/06
Filed: 1975-03-27
Abstract: A load controlling thyristor bridge rectifier network for driving loads such as dc motors, which demands a high out of phase current from the supply. A transformer with two secondary windings drives two four thyristor bridge networks connected effectively in series. One of these bridges is connected directly to the transformer winding whilst the other is connected via a network of diodes, capacitances and thyristors. The operation of the network when switched appropriately to produce less than the maximum available current, is such that the load presented to the mains is slightly capacitive. The rectifier network provides a circuit with an improved power factor characteristic.
Patent DE-2518493-A1 (DE)
Title: Well drilling tackle buffer - prevents flexural breakages by elastomer or metal mounts between drill collars and drill pipe string
Inventor: MUELLER HEINRICH
IPC: E21B11/02
Filed: 1975-04-25
Abstract: Drilling tackle for deep wells consists of drilling pipes which carry several drill collars and a drilling bit of large dia. A flexible joint at the junction of the string of drilling pipes and the set of drill collars consists of an inner tube which is coupled to the outer tube by elastomer/metal shock absorbing pads. This removes flexural stresses from the string of drilling pipes and eliminates the most frequent source of breakages at a critical point. The buffer also results in a quieter run of the drilling bit.
Patent DE-2520487-A1 (DE)
Title: Integrated ringing device for telephone systems - has an oscillator frequency which is converted into a ringing tone
Inventor: NOEBEL EGBERT DIPL PHYS
IPC: H04M19/04
Filed: 1975-05-07
Abstract: A ringing sequence circuit (RTFS) determining the ringing tone position and sequence is followed by a control device (STE1) determining the ringing tone position on ground of a ringing programming device (RPE). A second control unit (STE2) between the ringing programming device (RPE) and the ringing tone sequence circuit (RTFS) evaluates control signals from both devices (RPE, RTFS) and generates control signals for ringing tone position and sequence. It is in turn followed by a tone generator unit (TGE) evaluating the control signals. It is controlled by an oscillator (O) which also controls the ringing tone sequence circuit (RTFS), and delivers the evaluated control signals to an electroacoustical transducer (W).
Patent DE-2528746-A1 (DE)
Title: Metal cup ring suitable for housing shaft seals - made by the continuous roll forming of metal strip
Inventor: KORTH JUERGEN-PETER
IPC: B21D53/16
Filed: 1975-06-27
Abstract: Process for continuous mfr. of sheet metal rings, esp. with an angular cross-section profile is new. Metal strip is formed into a profile and bent into a ring-shaped body. The novelty is that forming and bending are undertaken simultaneously. The pref. plant consists of a strip feeder supplying the strip to a pair of forming rolls, one roll being provided with a convex forming flange. Used, e.g. for mfr. of reinforcing rings into which shaft sealing rings are vulcanised. Only one forming operation is required using one pair of tools so the process is very economic.
Patent DE-2530873-A1 (DE)
Title: Opaque drawing and printing inks - contg. acid-stabilised metal chelate and polyhydroxy cpds. for use on alkaline substrate
Inventor: LANDAU RAPHAEL
IPC: C09D11/50
Filed: 1975-07-10
Abstract: The inks consist of an aq. soln. of (A) an Fe or Ti chelate cpd., and (B) a polyhydroxy cpd. contg. a benzene, naphthalene or unsatd. heterocyclic ring with >=2 OH gps. in o-or peri-position and an unsatd. bond adjacent to >=1 OH gp. The inks are sufficiently acid to prevent reaction between (A) and (B) until they are applied to an alkaline surface. Inks show strong absorption of ligh, esp. UV light, and can be copied using diazo type materials, at high speed. Low viscosity making them suitable for computer-controlled line-drawing equipment, recording equipment, etc. and as quick-drying printing ink. Pref. inks contain >=5(10) wt.% (A), e.g. the Fe (III) chelate of EDTA and >=5 (10)wt.% (B), e.g. tannic acid. An example, contains 10 pts. water, 1 pt. Fe (III) ammonium oxalate, 0.1 pat oxalic acid, 1.4 parts tannic acid and 0.5 part ethylene glycol, giving a blud-black insol. line on alkaline surfaces.
Patent DE-2531167-A1 (DE)
Title: Yarn feeder with a belt driven storage drum - has inclined yarn guide surface formed by belt pulley
Inventor: PAEPKE HORST
IPC: B65H51/22
Filed: 1975-07-11
Abstract: A yarn feeder has a belt driven storage drum, the mantle of which supports the yarn reserve and is formed by separate rods; the yarn coming forward being guided by a surface inclined obliquely to the long axis of the drum. The guide surface is formed by the lower face of a belt pulley arranged to rotate on a bearing body and driven by a belt. The storage drum is rotatable on the bearing body on an axis inclined to the belt pulley axis and the drum rods project into separate drillings for each rod, the belt pulley. Device positively winds the yarn on to the storage drum and moves the reserve safely on its surface.
Patent DE-2533245-A1 (DE)
Title: o-Hydroxy benzonitrile prepn. from o-hydroxy benzamide - by reaction with phosgene in a non-polar solvent
Inventor: JACKISCH JOERG DR
IPC: C07C255/53
Filed: 1975-07-25
Abstract: The prepn. of o-hydroxybenzonitrile (I) by dehydration of o-hydroxybenzamide (IIe with COCl2 is carried out in a nonpolar solvent at the b. ot of the reaction mixt. (I) is an intermediate for pharmaceuticals, e.g beta-receptor blockers with a 1-(o-nitrilophenoxy)-2-hydroxy-3-alkyl amino structure. The process gives high yields (ca 95%) of high purity (I) from a relatively inexpensive starting material (II). Prefd. solvents are toluene and xylene.
Patent DE-2534700-A1 (DE)
Title: Adjustable and changeable picture frame - has twin components plates held together by magnetic or magnetic and iron strips
Inventor: CRONENBERG DIETER JULIUS
IPC: A47G1/06
Filed: 1975-08-04
Abstract: An adjustable frame is designed for use with photographs, pictures etc. for holding between two plates, one being of transparent glass. The sealed or closed peripheral frame consists of thermoplastic magnetic strips (12) attached to one of the component plates. A series of magnetic or iron strips or frame sections is mounted on the other plate in such a way that the two plate sections are held together by magnetic forces, leaving a sealed intermediate space (15) in which the picture etc. may be placed. This arrangement gives complete protection against dust and enables quicker changing of the pictures.
Patent DE-2536441-A1 (DE)
Title: Multipole automatic switch with increased switching capacity - has extra switching elements added to side
Inventor: DOERRIES ALEXANDER DIPL ING
IPC: H01H71/10
Filed: 1975-08-16
Abstract: The multipole automatic switch has overcurrent release or its means and increased switching capacity. Only two (1, 3) of the three (1-3) or four protected poles are reinforced by connecting them in series with additional switching elements (4, 5) having appropriate arcing voltages. An unprotected pole, provided as additional switching element, has a hammer armature. The additional element may also be a relay whose contacts and excitation winding are connected in series with the pole being reinforced. The additional element is attached to the side of the switch housing.
Patent DE-2549452-A1 (DE)
Title: Spark erosion machine where electrode has orbital motion - to produce taper in dies for blanking sheet metal
Inventor: SEIDEL RUDOLF
IPC: B23Q35/20
Filed: 1975-11-04
Abstract: The device controls electrode movement on a spark erosion machine in making a cavity with a progressively increasing transverse dimension, i.e. at 990 degrees to the direction of electrode feed. The electrode is mounted on a cross-slide underneath a ball joint at the bottom end of a pendulum rod located in a guide bush held by a diaphragm in a guide plate. The top end of the pendulum rod is a ball located in a ball seat mounted on a rotating eccentric so the electrode is driven in a circular orbit of increasing magnitude as it is fed through the workpiece. It is used e.g. in the prodn. of cavities in dies used for blanking sheet metal, where the cavity has a draw taper so the scrap blanked part drops through the die cavity.
Patent DE-2552797-A1 (DE)
Title: Rotary engine with toothed rotors - uses meshing of teeth to ensure effective pressure seal between rotors and rotors are of stepped shape
Inventor: GAIL JOSEF
IPC: F01B9/02
Filed: 1975-11-25
Abstract: The rotary engine has two parallel shafts supporting two meshing rotors which function as a compressor. Air is drawn in through the port and is delivered alternately through the ports as the rotors rotate in the directions of the arrows. The rotors are provided with teeth which mesh as the rotors rotate and form an effective seal to prevent leakage from the outlet ports to the inlet. The compressed air flows into an adjoining section of the casing and is supplied with fuel. A second pair of similar rotors mounted on the same shafts are driven by the expansion of the ignited fuel air mixture.
Patent DE-2607995-A1 (DE)
Title: Impediment position determination offset from vehicle track - using Doppler radar on board having reflected signal phase shift without azimuth antenna scanning
Inventor: DETLEFSEN JUERGEN DR ING
IPC: G01S13/931
Filed: 1976-02-27
Abstract: A network for determining the offset of an object or impediment from a vehicle track, intended for on-board use on railway, road, water and air vehicles, uses a Doppler radar based phase shift technique to calculate the offset, without the need for azimuth antenna scanning. Doppler phase shift over several thousand samples is observed as the vehicle moves towards the impediment. By taking the vehicle speed into account the distance along the track (2) of the impediment, its offset from the track (a) as well as the direct distance to the vehicle (r) can all be calculated. The processing network comprises an oscillator, two antiphase counters, two corresponding stores and difference, quotient, multiplication and square root calculating networks, in addition to a radar system with a digital output.