baber/WOPTO huggingface dataset:
Patent DE-2703525-A1 (DE)
Title: Illuminated indicator with symbol carrier - has optical fibre conveying light from source to symbols and indicator mark movable by setting mechanism
Inventor: SIEBENEICKER GUNTER
IPC: G09F9/40
Filed: 1977-01-28
Abstract: An extra optical fibre (17') is provided to convey further the remaining light component beyond the area of the symbol carrier (16). This extra optical fibre has a light exit point (27') directed towards the symbol carrier. This light exit point is connected to the setting mechanism and moves under its control. The light shining from it on the symbol carrier forms the indicator mark for reading the symbol. The symbol carrier having transparent symbols on an opaque foil can be arranged on a strip of continuous, tape-shaped optical fibre.
Patent DE-2704502-A1 (DE)
Title: Paper strip folding mechanism - has uncut paper transport mechanism engaging positively with strip and securing in position
Inventor: WUERSCH WALTER
IPC: B65H45/20
Filed: 1977-02-03
Abstract: The folding mechanism folds paper strips in a zigzag pattern at the weekened lines formed in the paper, which is perforated for transport. A cutter mechanism at right angles to the strip forms the weakened lines, transport mechanism delivering the uncut strip to this mechanism, and the cut strip from it to a laying mechanism. The uncut paper transport mechanism positively engages with the paper and secures it in position, while the cut paper transport mechanism runs faster than the paper emerges from the first mechanism. Between the cutter mechanism and the second transport mechanism the strips run free over a guide, without being positively driven. The cutter mechanism has an adjustment for its cutting axis in relation to the lengthwise axis of the strip.
Patent DE-2713275-A1 (DE)
Title: Prepn. of insecticidal pyrophosphoric acid tetrakis-di:methylamide - also having rodenticidal activity, by heating phosphoric acid tris(dimethylamide)
Inventor: LIBERDA HEINZ DIPL CHEM DR
IPC: C07F9/24
Filed: 1977-03-25
Abstract: Prepn. of pyrophosphoric acid tetrakis(dimethylamide) (I) comprises heating phosphoric acid tris(dimethylamide) (II) to 160-260 degrees C under normal pressure with the 0.01-0.05 fold (by weight) amount of water and, when evolution of dimethylamine is complete, the resulting (I) is opt. purified by distillation under reduced pressure. (I) is used as a systemic insecticide and as a rodenticide. Single-step process uses Cl-free starting material, thus avoiding the need for a base to act as HCl-binding agent and consequent purification difficulties. In an example, (II) and water were heated to 225-230 degrees C then further water was added portionwise at 230-245 degrees C. Prod. was isolated by distn. to give (I) with a purity of 98.2% in 75% yield.
Patent DE-2717638-A1 (DE)
Inventor: HOETGER KARL
IPC: B65G47/14
Filed: 1977-04-21
Abstract: The apparatus has a revolving chain (2) with buckets (4) which carry one rod-shaped part (8) each on their free leg (9) in a descending chain section and run here between strip pairs (10, 11). The distance between the strip pairs (10, 11) is only slightly greater than the length of the angular buckets (4). In the discharge area, where the chain (2) is deflected around chain sprocket wheels, the rod-shaped parts (8) are led out of the path of movement of the buckets (4) by means of one disc (15) each projecting in the area of both bucket ends into the space between buckets (4) and strips (10) and coaxial to the chain deflection wheels. So that rod-shaped parts (8) of various diameter can be seized here and pressed against the strip surfaces (11) without reducing their speed and in order to suppress vibrations of the rod-shaped parts (8) at the same time, the discs (15) have cylindrical peripheral surfaces (17), are made of a non-rigid, elastic material and are dimensioned in such a way that they narrow the path (C) of movement, limited by the strip pairs (10, 11), of the rod-shaped parts (8) down into the area of the strips (11) opposite them. <IMAGE>
Patent DE-2717963-A1 (DE)
Title: Sample mixing and centrifugation appts. - for detecting microbial pathogens
Inventor: DORN GORDON LEE
IPC: C12M1/24
Filed: 1977-04-21
Abstract: Fluid mixing appts. comprises a receptacle sealably closed at two ends to give a sample chamber that is kept at below atmospheric pressure. There is an injectable closure sealably communicating with the first end of the receptacle. A treating fluid chamber is contained within the injectable closure defined by sidewalls enclosed by first and second spaced injectable webs, the chamber being positioned such that a stylus may pass through the webs, the fluid chamber and into the sample chamber. A sample-treating fluid is in the treating chamber. An injection stylus is passed through into the sample chamber to deliver a sample, which is mixed with treating fluid as it passes through. Used in laboratory tests for the detection of microbial pathogens which may be in the sample fluid delivered through the stylus.
Patent DE-2719303-A1 (DE)
Inventor: SEIB PAUL AUGUSTUS DR
IPC: C07F9/655
Filed: 1977-04-29
Abstract: Phosphoric esters of ascorbic acid are prepared by reacting ascorbic acid derivatives which contain a group of the formula I with a phosphorylating agent in the presence of a tertiary amine. The reaction medium used is a compatible aqueous solvent which does not hinder the phosphorylation. To prepare diascorbic acid phosphate, the use of the amine is dispensed with. The reaction is carried out at pH values of at least 8 and, in the preparation of diascorbic acid phosphate, of at least 10. The process gives remarkably high yields. <IMAGE>
Patent DE-2731216-A1 (DE)
Title: Anti-dazzle rear view driving mirror - has rotating polarising filter in front of mirror, with stepping motor drive controlled by light sensor in mirror housing
Inventor: LEHNERT GUNTER ING GRAD
IPC: B60R1/08
Filed: 1977-07-11
Abstract: The external driving mirror (15) is fitted with a polarising filter held in front of the mirror on a rotating shaft, driven by a stepping motor (13). The driver views the mirror through an analysing filter fixed to the side window. The setting of the rotating filter is controlled by a light sensor (19) which monitors light falling through a hole in the mirror. If the mirror is illuminated by the headlights of a following vehicle, then the filter is turned into a set angle to reduce the intensity reaching the driver to a set level. The system is automatic.
Patent DE-2733100-A1 (DE)
Title: Mfr. of optical fibre punch - uses individual fibre strands arranged in parallel and confined within metal ring
Inventor: KALTSCHMIDT HORST DIPL ING DR
IPC: C03B37/15
Filed: 1977-07-22
Abstract: In every case the third fibre of the bunch (13) comes to rest in the gap between the other two fibres (11, 12). The ends of the bunch are pressed into an almost square cross-section by simultaneous heating of the end sides of the individual fibres. The ends are then gripped in a metal ring and the end surfaces are ground down or ground into shape. The ends of the fibre bunch may be gripped in a conical metal ring which tapers towards the light exit. The metal ring may be formed from a material having large heat conductivity.
Patent DE-2733172-A1 (DE)
Title: Radiant heat collection arrangement with liq. absorber - has air flow channel with inlet and outlet controlled by valve
Inventor: MENZEL JUERGEN DIPL ING
IPC: F24S10/75
Filed: 1977-07-22
Abstract: The heat collector has absorber for receiving radiating energy. The absorber yields heat by means of fluid heat carrier flowing through it. The absorber can be additionally used for further energy utilisation purposes. This collector can be installed on house roof as solar energy collector. The energy collected by absorber (2) can be drawn by an air stream passing over absorber underside. Between the absorber and its underside closing element (7) is arranged air flow path (17) connected to air inlet and outlet (18, 19). The closing element (7) is used as a heat insulation. The air flow stream is controlled with a flap valve (20).
Patent DE-2739826-A1 (DE)
Title: Braking system for mining conveyor - has directly-driven pump for pressure medium and pump with independent drive
Inventor: SCHWERDT GUENTHER
IPC: F16D65/14
Filed: 1977-09-03
Abstract: A rotating conveyor device uses a braking system. The drive or reversing drum of the conveyor drives a pump which pumps the pressure medium during normal operation along a circuit through a magnetic valve dependent on the current circuit of the conveyor band drive. When there is a current failure of the conveyor is switched off, the magnetic valve automatically leads the pressure medium into a brake cylinder. In addition to the pump directly driven by the conveyor drive there is a further pump with an independent drive the output of which is brough to zero when the current fails or the conveyor is switched off, whilst the first pump applies its output to operate the mechanical braking device.
Patent DE-2743114-A1 (DE)
Title: Multipurpose wire netting screen - has plastics strips inserted diagonally through netting on both sides
Inventor: MANN GUENTER
IPC: E04H17/04
Filed: 1977-09-24
Abstract: The screen is used for providing screening from wind, view, dazzle and noise and uses strips of plastic, or similar materials, inserted diagonally through the wire meshes on the front and rear, covering all the regions on the front and at least some on the rear. The alignment on the front side may be twisted through 90 deg. relative to that on the rear. They may intersect to form a web-like configuration. The assembly is weather resistant.
Patent DE-2752681-A1 (DE)
Title: Self-excited speed operated control switch - has permanent magnet generator with threshold circuit and display unit for speed exceeding critical speed
Inventor: LACE MELVIN A
IPC: G01P3/46
Filed: 1977-11-25
Abstract: The switch is operated by the speed of a shaft rotation above and below a critical value. It has a multi-pole sub-divided permanent magnet, a.c. generator (11) connected to the driving shaft (19). It generates an initial a.c. signal with an amplitude corresponding to the shaft speed. A threshold circuit (12) has a data input connected to the above a.c. generator and generates an operating signal when the initial a.c. signal indicates a speed exceeding a critical value. A local current source (20) is supplied by the a.c. generator, and generated a d.c. voltage constant over a wide frequency speed range. It is the only energy supply for the threshold circuit. A display device (13, 18) is activated by the operating signal, and displays the shaft over-speed.
Patent DE-2753352-A1 (DE)
Title: HF amplifier combination for active car aerial - has bottom of resonant circuit feeding VHF amplifier connected to emitter of lower frequency amplifier transistor
Inventor: ROTHER PETER DIPL ING
IPC: H03H11/36
Filed: 1977-11-30
Abstract: The VHF-LMS amplifier combination, for car aerials, avoids the reduction in in put voltage at the LMS amplifier due to an input capacitive divider. The non-aerial side (B) of the resonant circuit for the VHF amplifier (L2, C2) is connected to the junction (F) between a resistor (R3) and the emitter of a transistor (T3) in the LMS amplifier. In the LF band the same HF potential, both in phase and magnitude, is present at this junction as is present at the connection point (A) to the aerial. The resistor is shunted by a capacitor (C3) whose value is a multiple of the capacitance (C2) in the resonant circuit.
Patent DE-2755601-A1 (DE)
Title: Extrusion press tool construction - has tool holder with ram centred and protected against buckling in die penetration area
Inventor: DARAZS ANTON
IPC: B21C25/04
Filed: 1977-12-14
Abstract: The ram head (1) has a bore (2) for a bushing (4) which carries the ram (3). The bushing is provided with a tapered bore (6) starting from a shoulder (5) continuing in a cylindrical bore (7) and a recessed part (8). The ram is inserted into the cylindrical bore (7) of bushing (4) in direction towards the tapered bore (6) until this tapered bore comes to rest against the tapered part (9) of the ram. The length of the ram shaft (10) is dimensioned in such a way that in fitted condition its upper end protrudes from the top surface of the bushing (4) by the amount (x). At the same time the bushing is dimensioned in such a way that a gap (x) appears between upper surface of its shoulder and the bottom surface of the holder (1).
Patent DE-2756333-A1 (DE)
Title: Catalytic treatment bath for non-metallic materials - esp. glass, ceramics or plastics, prior to electroless plating with metals
Inventor: REITH HERIBERT
IPC: C23C18/28
Filed: 1977-12-17
Abstract: The bath consists of an aq. soln. of palladium chloride, stannous chloride, and sodium chloride; and the non-metallic substrates are esp. those already coated with, or bonded to, metals. The pref. bath contains 0.1-2, esp. 0.3 g/l PdCl2; 0.5-10, esp. 1.5 g/l SnCl2; and 150-311, esp. 200 g/l NaCl. Used e.g. on a printed circuit board already coated with copper. Uses of NaCl in place of the HCl avoids corrosive problems of the latter.
Patent DE-2757653-A1 (DE)
Title: Water-tight cable union for cable TV system - has rubber washer sealing cable end to housing and compressed by nut
Inventor: FRANKE LUDWIG
IPC: H02G3/06
Filed: 1977-12-23
Abstract: The water-tight cable union esp for cable t.v. systems has a flat seal (2) between the housing (1) to which the coaxial cable is being connected and the end face (11, 12) of the cable (11). A nut (7) presses the seal home to seal the cable and the housing to the cable's feed-through. The flat seal is shaped like a washer through whose centre the cable's inner conductor passes and is made of rubber. The housing may have a stepped bore to receive the seal, a sleeve (3) and a pressure ring (4) and an internal thread receiving the nut.
Patent DE-2800427-A1 (DE)
Title: Pump for explosive chemical fluids - has ejector inside vessel to be emptied with squirrel-cage motor
Inventor: KRAEMER HERMAN
IPC: F04D13/06
Filed: 1978-01-05
Abstract: The pump is partic. for delivering explosive fluids from a vessel to be emptied to one at a higher level esp. at heads of more than 7 metres. inside the vessel to be emptied (2) is a liq. jet ejector (5) working in conjunction with a pumping set (6) outside it and driven by a squirrel-cage motor. The ejector can have a discharge union (8) connected to the pump suction union (7) and a union (9) for a pipe (10) supplying driving fluid, connected to the pump discharge union (11), together with a suction union (4) immersed in the medium (22) handled. A priming connection can be provided on the pump if desired preferably near its discharge union.
Patent DE-2803968-A1 (DE)
Title: Inking mechanism for accurate document typing - has locking device working with portion of lift=off strip cassette
Inventor: PREIS RUEDIGER ING GRAD
IPC: B41J35/00
Filed: 1978-01-30
Abstract: The typewriter inking mechanism is for accurate typing in the legal sense, the inking ribbon, particularly one accommodated in a cassette, being transported through the typing position and wound from a storage to a receiving spool. It has a locking device (5) working with a portion of the ink ribbon spool or of a cassette (5) containing a lift-off inking strip. The latter incorporates an in adhering to the paper surface and removabl from it by means of adhesive tape. The locking device prevents the lift-off strip being brought into the working position.
Patent DE-2804546-A1 (DE)
Title: Missile transport and launching tube - has diaphragm between charge and missile, holding adaptor with rupture zone and wedge plug
Inventor: SCHMID WERNER
IPC: F42B14/02
Filed: 1978-02-03
Abstract: The missile launching tube (10) is also used for protection during transport, and releasing action is not required previous to firing. Between the missile (15) and the explosive charge (30) is a diaphragm (12) and an intermediate piece (11) with a convex face fitting inside the concave face (13) of the diaphragm. The end of the convex part carries a plug (17) which fits into a boss (18) on the outside of the diaphragm. The plug is undercut (19) to form a determined rupture point on launching. The plug screws into a collar attached inside the boss. The intermediate piece (11) has tongues (14) which are wedged inside the interior of the necked part (16) of the missile, by a rubber plug (20).
Patent DE-2806296-A1 (DE)
Title: Fully automatic bed making system - has timer-controlled switch for electric motor which drives moving arms and rails
Inventor: GRAMER GUENTHER
IPC: A47C21/02
Filed: 1978-02-15
Abstract: The bed maker is operated by an electric motor which is switched on and off by a program timer. When required, the motor moves cog wheels with small spools which wind up individual wire cords which then operate the individual functions of the arms and rails. The timer can be set to make the bed automatically thus being of great advantage to hospitals, guest houses etc.
Patent DE-2811399-A1 (DE)
Title: Compression type trimmer electrodes - are springily pressed away from each other, and capacitance is adjusted by screw passing through holes in electrodes
Inventor: HUELSEBUSCH THEODOR
IPC: H01G5/013
Filed: 1978-03-16
Abstract: Trimmer electrodes are urged apart by spring action through being slightly curved. They are prevented from touching each other by insulating plates. For capacitance adjustment they are compressed by an insulating screw passing through holes in the electrodes and insulating plates. All electrodes (10) are of the same shape and size, and are stacked together with the insulating plates (16) in a recess (28) of an insulating case (22). The case includes an insulating sleeve (32) with an inner thread for the screw. Slot (42, 44) are made in the case walls accommodate projecting soldering tags (46) of the electrodes.
Patent DE-2814585-A1 (DE)
Title: Mixer for mfr. of multi-reactant plastics esp. polyurethane - has relief pressure valve to minimise risk of contamination of recycled components
Inventor: SCHNEIDER FRITZ W ING GRAD
IPC: B29B7/76
Filed: 1978-04-05
Abstract: Device for mixing multi-component plastics, esp. polyurethane, has a mixing chamber with an inlet for each reactant and an outlet for the resulting mixt.; a control fitted inside the mixing chamber, which reciprocates from a position that clears the inlets as far as the outlet when it simultaneously closes the inlets towards the mixing chamber. Return grooves are provided at the control which connect the inlets, in synchronised fashion with their sepn. from the mixing chamber, to return pipelines that lead to the respective storage tanks for the reactants. In each return pipeline there are a pressure-meter and an adjustable throttle. In prior-art mixers, a switch-over of reactants from one return groove to another, may be caused by a pressure gradient arising between the return grooves. The device prevents generation of such a pressure gradient.
Patent DE-2817163-A1 (DE)
Title: Spindle drive mechanism using asynchronous motors - held at constant speed by continuous monitoring of optimum supply voltage
Inventor: WOLF HORST DIPL ING
IPC: D01H1/244
Filed: 1978-04-20
Abstract: Spindle speed variation in spinning machines or false-twist texturising machines which have high-speed spindles individually driven by asynchronous motors is minimised by continuously adjusting the voltage of the electrical supply to each motor towards the value which gives the smallest speed variation for a given variation in load. Device to effect the method comprises a clutch mechanism which allows a supplementary load to be transiently connected to a spindle, and a measuring unit which records the associated change in spindle speed. The supply voltage to the motor is then altered slightly and the process is repeated. The supply voltage is geld at the value which produces the least variation in spindle speed by continuous repeated measurements. Cheap, reliable asynchronous motors can be used in place of expensive and sensitive synchronous motors, but yet produce high-quality yarns with constant twist levels.
Patent DE-2821431-A1 (DE)
Title: Bowling alley channel surfacing machine - has blades mounted on tool head to be movable along inclined circular path
Inventor: HOOPMANN HORST
IPC: B27M3/22
Filed: 1978-05-16
Abstract: The machine is for the forming and re-forming of the channel of a bowling alley. It has a carriage frame carrying a head with blades, which are moveable along a circular path within the working area. The circular plane of the path is inclined towards the plane of the bowling alley. The cutting tool may consist of a rotating disc (9) with radially projecting blades (10). The inclination of the disc towards the alley is adjustable. The blades are removably fastened to the disc.
Patent DE-2822869-A1 (DE)
Title: Multiple format transportation system - has large drive wheels flanking passenger and power capsule also rollers for suspended track
Inventor: BEESE OTTO
IPC: B61B15/00
Filed: 1978-05-26
Abstract: The multi-format transportation system has a main drive capsule flanked by large drive wheels (1) higher than the capsule. A third wheel (3) is set in the rear middle as a steering control, or a castor. The system can be driven along roads or suspended from overhead tracks using small upper rollers (12) driven by the large wheels. The system provides independent transportation as well as a guided option. It can be used for goods or for passengers, depending on the design of capsule.
Patent DE-2827230-A1 (DE)
Title: Non-dispersive twin channel IR gas analyser - has water vapour and temp. compensation circuit using FET output stage
Inventor: SUKIGARA KUNIO DIPL ING
IPC: G01N21/37
Filed: 1978-06-21
Abstract: The infra-red gas analyser comprises separate light sources whose outputs are chopped en route to a measuring chamber and a reference chamber. The output windows are aligned with those of detectors forming a double-layer detector or receiver. The detectors are fitted with capacitance pressure transducers. The amplified output signals are fed to a differential amplifier whose output is connected via a resistor to the drain of a FET. The source connection of the transistor is at zero potential. The gate is fed via a potential divider with a signal proportional to the output of the second detector. The drain voltage of the FET is the signal proportional to the Nitric Oxide portion of the measured gas and which is compensated for lateral sensitivity and temperature.
Patent DE-2832031-A1 (DE)
Title: Mechanical dressing for sugar cane etc. - uses helical path to break up material with adjoining pressing section
Inventor: WIENEKE FRANZ PROF DR ING
IPC: A23N17/00
Filed: 1978-07-21
Abstract: The dressing method is for stalk material by which crushing of the material and removing the juices by pressing is carried out in the same machine. The machine has a cylindrical housing (3) in which a number of pivotingly suspended impact element are operating. The material brought into the machine through hopper (5) are crushed by the flailing action of the impact elements (2) against the ribbed strips (4) fitted inside the housing in such a way that a helical path of the crushed material results. Due to his helical path the crushed material travels in axial direction towards the pressing section (6) where the juices are removed and seep into a container through perforations (7) while the bulk is discharged through opening (8).