baber/WOPTO huggingface dataset:
Patent DE-2418902-A1 (DE)
Title: Multi-flow path regenerative air preheater - for multiple unit steam generator plant with space-saving pipe system
Inventor: KIRCHHOFF FRANZ-JOSEF
IPC: F28D17/04
Filed: 1974-04-19
Abstract: Multi-flow path regenerative air preheater for parallel-connected gas and air streams comprises a stationary cylindrical regenerative chamber and rotary connecting pipes which are mounted on both sides of the end surfaces of the chamber on a common shaft and which rotate axially with respect to the end surfaces within stationary connecting pipes. The outer stationary pipes which supply heat-exchange media, the rotary connecting pipes, and the chamber are divided into two or more distributor pipes by concentric inner walls, and into chamber sections which are connected by the divided supply pipes to the stationary pipe system of two or more separate steam generators.
Patent DE-2419889-A1 (DE)
Title: Washed concrete prodn with exposed aggregate surface - with treatment of wet casting with setting retarder
Inventor: SPRING ARTHUR
IPC: B28B7/16
Filed: 1974-04-24
Abstract: In prodn. of blocks by forming a casting of aggregate-contg. concrete and washing off the surface while still wet, the improvement comprises treating at least one of the sides of the casting which are to be washed off, while still wet, with a setting retarder.
Patent DE-2436304-A1 (DE)
Title: Opto-electronic multi-layer storage transducer - has evacuated housing with two opposite light inlet windows with specifically treated inner surfaces
Inventor: FRANK KURT DR
IPC: H01J31/26
Filed: 1974-07-27
Abstract: The opto-electronic storage transducer consists of several layers in an evacuated vessel, having two opposite light inlet windows. On the inner side of one light inlet window is coated a transparent, electrically conductive layer, carrying a transparent, electrically non-conductive layer with a cover of a mosaic-shaped, photoemitting third layer. The inner side of the opposite light inlet window is a fourth photoemitting layer. This fourth layer is negatively biased relative to the first layer and is uniformly light irradiated. this charges the unbiased third layer to the fourth layer potential. Then the image to be stored is projected through the first window onto the third layer, from which it is discharged by photoemission to the fourth layer according to local light indensity.
Patent DE-2442365-A1 (DE)
Title: Flake ice producing machine - with internally cooled rotating flat surfaces
Inventor: TREUER ALLAN JOSEPH
IPC: F25C1/142
Filed: 1974-09-04
Abstract: Flake ice producing appts. comprises >=1 rotating flat discs having surfaces of +0.005 variance from absolute flatness. the surfaces are internally cooled and are fed on the outside with water over part of the surface, the remainder of the surface being covered with a layer of ice 1/10 of an inch thick which passes through a supar cooling zone before being removed by knives having an angle of attack of 3-4 degrees to the surface. Thus very little wear occurs in the appts. which has a large capacity (tons/day) with low cost.
Patent DE-2445397-A1 (DE)
Title: Track circuit for DC railways - with chopper controlled power vehiclesand transmitters at one end and receivers at other end
Inventor: BAUMGART SIEGFRIED DIPL ING
IPC: B61L1/18
Filed: 1974-09-23
Abstract: The receiving devices (E) of each rail section contain two filters (9, 10) with pass bands (f1u to f10 to f20) outside those harmonics of the fundamental driving current frequency (fg), which, because of the amount of amplitude, can cause a receiver tuned to these frequencies to respond. The pass bands of the filters lie within any frequency ranges formed by this harmonic and are so selected that they do not overlap. The transmitting facilities (S) emit frequencies corresponding to the centre frequencies corresponding to the centre frequencies of the filters. A rail section is signalled as clear according to whether the output voltage of each filter is above a given limit value.
Patent DE-2458497-A1 (DE)
Title: Small substation ventilation duct - with self closing shutters inhibiting excape of hot gases during fault
IPC: H02B13/025
Filed: 1974-12-11
Abstract: In an underground or semi underground switching or transformer substation an air duct is normally provided which enters the equipment below ground level. In the event of an internal fault causing arcing and the build up of pressure the hot gases are allowed to expand into the air duct. To protect passers by the duct is provided with self closing shutters which close when the pressure in the duct suddenly rises. These shutters are at the inlet to the duct, but an additional shutter may be provided at the inlet to the equipment. To achieve the required pressure relief the duct may have to be made larger than the cooling air requirements dictate.
Patent DE-2500138-A1 (DE)
Title: Combined finishing and surface treatment of sheet - partial stamping allows surface treatment of shaped workpieces in continuous band
IPC: B21D37/18
Filed: 1975-01-03
Abstract: Process for the manufacture of surface treated or surface coated sheet metal shaped workpieces where, before surface treatment, the sides of the workpieces (18) are stamped mainly in their longitudinal dimension. The workpieces remain connected through narrow metal strips (20) and these will only be parted after surface treatment and immediately before forming. The partially stamped material band requires no support and hangs under tension while running through the surface treatment.
Patent DE-2500698-A1 (DE)
Title: Automatic evaluation of navigational bearing angle receiver signals - is for Watson Watt systems with digital display and a correlation technique
Inventor: SCHREINER JOSEF DIPL ING
IPC: G01S3/04
Filed: 1975-01-09
Abstract: The electric network for automatically evaluating receiver information concerning navigational bearing angles, gives a digital display of calculated position. The network represents an improvement on existing calculation methods applied to navigation systems of this kind, which usually involve a cathode ray tube display, typically an ellipse, together with operator interruption to find the required position. The network described incorporates a suitable bearing antenna array, a receiver and a Hilbert transformer (3) which produces signals corresponding to the real and imaginary parts of the bearing information, an analogue to digital converter (4), an angle calculator (5), a store (6), a display (7) and an evaluation unit (8). Treatment of disturbance effects, entails an incremental storage and checking system using the digital store (6), and a correlation technique.
Patent DE-2511006-A1 (DE)
Title: Riverbank paving interlocking concrete block laying machine - with blocks pressed by individual pistons of cylinders on laying plate
Inventor: HUISMANN HEINZ
IPC: E02B3/14
Filed: 1975-03-13
Abstract: The mechanism, for laying concrete blocks is esp. applicable to the setting of interlocking tongued and grooved blocks, and esp. as used in work on covering river banks aiming to achieve secure interlocking connection in the vertical direction. There is a laying plate (2), with a series of working cylinders (3) arranged in a row. A piston (4) belonging to each of these is allotted to a concrete block (1), ready for laying, deposited on the plate, and when activation takes place this can be pressed into the combination of blocks already laid. In the area where the blocks are deposited, the laying-plate may be fitted with block-guide rails (5). There may be a feed mechanism, linked to the cylinders for rhythmic operation. Rapid and continuous block laying is practicable.
Patent DE-2519017-A1 (DE)
Title: Temp. regulator for thermal cutters - has metal-film resistor which is used as temp. sensor and which is coupled to trigger operating thyristor switch
Inventor: WUENSCHMANN HORST
IPC: A45D1/04
Filed: 1975-04-29
Abstract: The temperature regulator, for thermal cutters, has a variable resistor as temp., sensor and a thyristor as load switch in the heating element's supply circuit. A threshold trigger (2) is connected between the temp., sensing metal-film resistor (11) and the thyristor (42). This trigger may be a Schmitt trigger (21, 22) whose threshold is adjusted by a potentiometer (12). The metal-film resistor has a temp., coe., greater than 3,500 ppM. Alternatively the trigger can also be an operational amplifier with the film resistor at its non-inverting input a and the threshold-setting potentiometer at its inverting input.
Patent DE-2526640-A1 (DE)
Title: Disposable toothbrush and paste utensil - has plunger to force small amount of paste through holes onto bristles
Inventor: HODUM HORST
IPC: A46B11/00
Filed: 1975-06-14
Abstract: The toothbrush consists of a hollow body (2) with a set of bristles (7). The handle is a plunger (5) operating slidingly with the hollow brush body, which is provided with a number of outlet openings (6) between the rows of bristles. Between these openings and the plunger end portion of tooth paste (3) in the hollow body. When the plunger is pushed towards the head, the tooth paste is squeezed through the openings onto the bristles and the brush is ready for use. In an alternative design the tooth paste can be already spread onto the bristles of the brush and need not be squeezed-on before use. In this case the wrapping is made perfectly airtight to prevent drying-out.
Patent DE-2527400-A1 (DE)
Title: Engine fuel combustion improvement device - has diode rectifier between ignition coil and distributor to stop back EMF
Inventor: KOBAYASHI TERUO
IPC: F02P3/02
Filed: 1975-06-19
Abstract: A screening unit suppresses back e.m.f. at the sparking plugs of an I.C. engine. This back e.m.f. can cause a fall-off in voltage which in turn can lead to incomplete combustion of the fuel in the cylinders. Incomplete combustion can give rise to residual constituents, such as carbon monoxide, carbonic acid etc., in the exhaust gases. A rectifier between the ignition coil secondary and the distributor regulates an electric circuit that sets or establishes the ignition firing point or point of ignition for the I.C. engine depending on the make of engine.
Patent DE-2541006-A1 (DE)
Title: Heat insulating material for stacks - contg. heat insulator, clay binder and reinforcing g s fibres
Inventor: KRAMER HANS
IPC: C04B28/00
Filed: 1975-09-13
Abstract: Heat-insulating material placed between the inner ceramic pipe and the mantel of a stack, contg. a heat insulator (pref. exfoliated remiculite) and a clay binder contains 60-70 wt. % of the heat insulator, 30-40 wt. % of the binder and 1-2 wt. % of randomly distributed mineral fibres. (pref. glass fibres opt. with a synthetic resin coating) having a length of 10-30 mm (pref. 15-25 esp. 20mm) and a thickness of 5-20 mu (pref. 10 mu). The structure of the heat-insulating material is reinforced and not damaged by mechanical stresses caused by thermal fluctuations. The resin coating protects the fibres against attack by alkali.
Patent DE-2541570-A1 (DE)
Title: Starting motor for IC engines - has transistor collector connected to control input of thyristor working as switch in control circuit of disconnecting relay
Inventor: PFEIFER WOLFGANG DIPL ING
IPC: F02N11/08
Filed: 1975-09-18
Abstract: Switch excitation winding is controlled by a hand operated switch and a cut-out operated by a signal derived from the motor current. When the magnetic switch excitation current falls below a certain value, cut-out breaks the excitation circuit. Disconnection signal is applied to the cut-out (14) through a delay element (30) started through a contact (11) of the magnetic switch. The delay element (30) contains a capacitor (31) which can be charged via a resistor (32). The potential difference across this capacitor determines the bias voltage of the transistor (33) whose emitter is connected to the working resistor (24).
Patent DE-2546932-A1 (DE)
Title: Prefabricated building - complex volumetric units form lightweight material load bearing structure
Inventor: TOGNI GIULIO
IPC: E04B1/348
Filed: 1975-10-20
Abstract: The civil building is composed by prefabricated units, having a height equal to the height of one story of the building. Complex volumetric units form a load-supporting structure of a lightweight material and are completed by filling walls, combined ceiling and floors, pipings and various ducts and other embedded accessories as well as union means with adjoining component parts, and by the use of a simple linear component formed by a ceiling panel which can be laid on and secured to the volumetric units in correspondence with the ends of the simple linear component.
Patent DE-2550551-A1 (DE)
Title: Extruded and drawn polyamide filament - is treated with oil contg water before being textured
Inventor: KUBITZEK HARRY DR
IPC: D01F6/60
Filed: 1975-11-11
Abstract: A polyamide-6 filament with gamma modification is extruded from a melt having a relative viscosity of 2.3 to 3.1 (pref. 2.6-2.85) measured in a soln. of 1% m-cresol. After extrusion the filaments are air cooled and drawn pref. without draw rolls at 3700-4500 metres/min and the polymer molecules orientated to produce a stretch capacity before breakage of 50-80% (pref. 55-75%). Before being wound into a package the filaments are treated with oil contg. 3 wt.% of water and textured using a pneumatic texturing device. The process reduces the penetration of water particles into the extruded filaments producing better uniformity and working the filaments easier to wind into a uniform package.
Patent DE-2553810-A1 (DE)
Title: Normal size domestic type bath - has double wall with internal space serving as radiator and water heater
Inventor: NORRA WOLF DIETER
IPC: A47K3/00
Filed: 1975-11-29
Abstract: A bath has an outer metal wall (2) and an inner wall (1). The outer wall is bent over at the top (3) and joined to the inner wall to form a closed space between them. This space has pipe bosses (4, 5) for connection to the supply and return pipes of a hot water central heating system. It has a further connection (6) into which an air vent is fitted. The side of the bath thus serves as a room radiator and also as a heater which prevents the water becoming cold if a bath takes a long time. A decorative front (10) round the both can have slots (11) in it to allow air to circulate over the radiator surface.
Patent DE-2556294-A1 (DE)
Title: Multipurpose domestic container opener - has tool sections formed by baseplate edges and hardened
Inventor: ROHRWASSER HANS W
IPC: B67B7/44
Filed: 1975-12-13
Abstract: The multi-purpose opener is for use in the kitchen with tins, bottles etc, having a baseplate formed by a steel stamping and acting as handle, forming a variety of tools in conjunction with components mounted on it. The edges forming parts of the tools, such as teeth shear blade etc are situated along the baseplate edge, and hardened if necessary. The various holding, lifting and cutting edges can have interchangeable tips allowing renewal. The lever-type or rotary knives can be actuated by rotary handles via rack-and-pinion mechanisms.
Patent DE-2559369-A1 (DE)
Title: Simultaneous flash welding system - controls approach rate by welding current density converted to voltage
Inventor: LEBEDEV VLADIMIR KONSTANTINOVI
IPC: B23K11/24
Filed: 1975-12-31
Abstract: The approach rate of several parts to be flash welded simultaneously is automatically controlled by measuring the flash welding current densities of the butt joints and converting them into d.c. voltages. The max. voltage is compared with a desired voltage setting and any deviation is used to control the approach rate of the butt joints. Several butt joints of large area can thus be welded simultaneously with a high dynamic stability. The mfrg. costs are reduced by a factor of 18, compared with manual arc welding. The labour productivity rises by a factor of 70 and the quality of the welded articles is improved.
Patent DE-2613611-A1 (DE)
Title: Grain cleaner with turbine blower - has air blown over turbine wheel and returned underneath to entry point
Inventor: KONO AKIRA
IPC: B07B11/02
Filed: 1976-03-30
Abstract: The grain cleaning machine has a feed hopper (4) discharging onto husking rollers (5) and the material then falls down a chute (6) into a sifting chamber (3) inside which it is blown forwards and upwards. The husks fall vertically into a region from which they are discharged sideways by a screw conveyor (13) at athe bottom. The cleaned grain is discharged sideways by further screws (11, 12) from pockets (8, 9) nearer the entry point. The air is blown through the sifting chamber by a turbine blower (16) mounted on a horizontal spindle suspended from the sides of the chamber. the air follows a path upwards from below the chute, over the turbine to enter a slot (17) near the top, to travel round the turbine to be returned at low level and enter again below the chute (6).
Patent DE-2619014-A1 (DE)
Title: Information processing character recognition - uses estimated polynomials for weighting factor determination and coordinate reduction
Inventor: OTT RAINER DIPL ING
IPC: G06K9/62
Filed: 1976-04-30
Abstract: The character recognition method for information processing systems employs a scanner (1) and associated store (2) in which characteristic vectors for the raster composition are held. Individual characteristic values of the vectors are calculated (5) and undergo transformation (6) for coordinate reduction. These are stored (3). In a three-stage classifier calculator (7) the estimated polynomials for the reduced number of factors are computed and undergo squaring. The magnitude of the polynomial coefficients is used as an indicator for the order of importance of individual and combined picture elements (8, 9). The indicator is calculated from the sum of the squares of the individual weighting factors associated with the respective elements or combinations of elements. The selected values are stored (10).
Patent DE-2622503-A1 (DE)
Title: Bottle with sealing cap - has cap surface sloping downwards towards centre on inside to return seeping contents e.g. honey to jar
Inventor: WINKELMANN DIETER
IPC: B65D41/04
Filed: 1976-05-20
Abstract: The bottle with sealing cap is particularly for honey, having a pot-shaped bottom part with an external thread on the neck onto which the cap screws. The inside (23) of the cap top (17) slopes downwards in the radial direction from the outside for part of the way at least. The sloping section can be annular, and symmetrical in relation to the bottle centre line (10), and near the outer edge (15). It runs straight or in a curve, and the cap may be of constant thickness. There is a protrusion or bead for drips on the sloping portion. The design ensures that any of the honey which has penetrated as far as the cap threads will drain back to the centre of the bottle.
Patent DE-2623376-A1 (DE)
Title: Photosensitive printing plate producing permanent conductive image - contg. aliphatic N cpd. and halogenated free radical donor
Inventor: ETOH KUNIOMI
IPC: G03G15/05
Filed: 1976-05-25
Abstract: Electrostatic printing plate consists of a photosensitive material contg. (A) an aliphatic N cpd. and (B) a halogen cpd. capable of forming a free radical when irradiated with light, and producing a permanent electrically-conductive image in exposed areas. After irradiation, the exposed areas are charged e.g. by a corona discharge, a toner applied to develop the image and the toner then transferred to a carrier, e.g. paper. Used in electrostatic photo-copying processes e.g. to replace photo-sensitive selenium plates. The charge is electrical conductivity due to exposure gives rise to differences of several hundred volts on electrostatic charging, and the conductive image is permanent, allowing large number of prints to be made and the plates to be stored for long periods without loss of print quality.
Patent DE-2629579-A1 (DE)
Title: Hydraulic even lifting mechanism - has jacks supplied from cylinders of metering unit with jacks connected to common rod
Inventor: HARTMANN SIEGFRIED
IPC: B66F3/46
Filed: 1976-07-01
Abstract: The hydraulic mechanism gives even lifting of loads by means of a series of jacks supplied by a hydraulic pump. To give equal movement of all jacks a metering cylinder unit is provided, with cylinders of the same number as the jacks. The cylinders are similar, coaxial and separate from each other, each cylinder being divided by a piston into first and second chambers. The first chambers are connected in parallel by a control valve either with the pump or the return pipe, and the second chambers are each connected with one of the jacks. The metering cylinder pistons are mechanically coupled together by a common rod, passing through seals between the cylinders.
Patent DE-2639667-A1 (DE)
Title: Polyester binder for printing inks, mastics, adhesives and coatings - prepd. from poly:hydric alcohol, poly:carboxylic acid, alkylol acrylamide! or methacrylamide and norbornane deriv.
Inventor: WAGNER REINHARD DIPL CHEM DR
IPC: C08F299/04
Filed: 1976-09-03
Abstract: Parent patent discloses prepn. of a radiation-hardenable unsatd. polyester binder from (A) polyhydric alcohol, (B) plain alpha,beta-olefinically unsatd. dicarboxylic acid and/or a polycarboxylic acid which is free from polymerisable aliphatic multiple bonds and (C) acrylic cpd. which can be condensed in. (A), (B) and, (D) a norbornane deriv. contg. >=1 functionally identical COOH, OH or amino gp. are reacted together. The prod. is then reacted with (C). In this Patent of addn. N-1-4C-alkylol-acrylamide or -methacrylamide is used as (C). The binders are pref. used as printing ink components, esp. insolvent-free printing inks. Binders admixed with fillers can be used as mastics. Binders have high storage stability and high hardening velocity on irradiation with UV light.
Patent DE-2647035-A1 (DE)
Title: Caravan with extending body - has hinged end sections pivoted on ends of chassis and sliding roof sections
Inventor: GREINER KARL WALTER
IPC: B60P3/34
Filed: 1976-10-19
Abstract: The caravan has the end sections fitted with hinged extensions (23, 24) which can be swung outwards through right angles to increase the length of the van. Sliding or flexible roof sections completes the extension so that a maximum usuable space is obtained. The caravan is supported on a chassis (2) with the hinges at the ends. The pivot action can be manual or by hydraulic or electric servos.
Patent DE-2654253-A1 (DE)
Title: Compressed air drying by refrigeration - having extended surfaces with extended meandering metal sheet on tube surfaces
Inventor: FRISCHMANN WERNER
IPC: B01D53/26
Filed: 1976-11-30
Abstract: Refrigeration drying of compressed air uses a heat exchanger containing a gas/gas section and a refrigerant/gas section. The air to be dryed first passes into the gas exchanger and then flows down into the refrigerant section. After sepg. condensed water, the cool air flows back through the gas exchanger to cool the incoming air. The heat exchange elements in the gas/gas exchanger section consists of an outer tube with one or more inner pipes. the inside of the inner pipe and the space between the pipes is filled with meandering metal foil crimp. This is in good thermal contact with the surfaces thus providing a very effective extension of the heat transfer surface. Used to provide a dry stream of compressed air. The process cycle is known but using separate exchangers. The system is more compact and less susceptible to fouling than systems using extended coils.