baber/WOPTO huggingface dataset:
Patent DE-2548571-A1 (DE)
Title: Vinyl monochloro-acetate prepn. - from chloro-acetic acid and acetylene in liq. phase using mercury and chloranil catalyst
Inventor: VOGT WILHELM DIPL CHEM DR
IPC: C07C67/04
Filed: 1975-10-30
Abstract: CH triple bond CH is introduced, with strong stirring, into a melt of ClCH2COOH and heated to 63-120(63-100) degrees C. Melt contains >0.1(0.2-30)wt.% metallic Hg and 0.1-10(0.5-7)wt.% chloranil, suspended as catalyst. When reaction is completed, (I) is sepd. from reaction mixt. (I) can be added to other vinyl esters, to modify and improveproperties of polymers. Use of chloranil has a stabilising effect. polymreisation of (I) is prevented. Chloranil oxidises Hg to active Hg-II-chloroacetate and prevents formation of inactive Hg-contg. sludge. (I) can be prepd. in >95% yield, w.r.t. converted C2H2 and C1CH2COOH.
Patent DE-2553527-A1 (DE)
Title: Heat exchanger of glass ceramic material - comprises flat layers of channels with bent inlet and outlet blocks
Inventor: PEI YU KUN
IPC: C03B23/207
Filed: 1975-11-28
Abstract: The heat exchanger has nonporous heat exchanger body of low thermal expansion. This heat exchanger can be made for example from glass ceramic materials. High efficiency is achieved by parallel and separate flow paths. The separate connection zones are readily connected to the two different fluids between which heat exchange takes place. The heat exchanger has several layers of parallel channels with inlets and outlets. The layers (30) for the first fluid alternate with those (40) for the second fluid. Each layer channel forms four sets of open ends for inlet and outlet of the first and second fluid. The end sections of the parallel pipes are bent so that inlets and outlets for separate media are separated and form independent inlet and outlet blocks. The crystalline ceramic material used has very low linear coefficient of thermal expansion.
Patent DE-2555216-A1 (DE)
Title: Bituminous road surfacing machine smoothing beam - has floating hinged auxiliary beam adjustable for height or slope
Inventor: BOURBIEL RICHARD DIPL ING
IPC: E01C19/48
Filed: 1975-12-09
Abstract: The road making machine (1), is for constructing bituminous road surfaces, and has a tracked or wheeled chassis (3) moving on the substructure (5), with a conveyor mechanism leading from a container (6) to a distributor wormgear (7). There is a floating smoothing beam, with height-adjustable bracket arm hinged connection. This is made up from main and rear laterally-movable auxiliary beams. The auxiliary beam (11) can be adjusted for height, and /or slope, relative to the main beam (10). This adjustment depends on the height setting of the bracket arm hinge points (9), or on the slope of the arms (8). Adjustment of the hinge points height setting has no harmful effect on the working process, nor on the quality of the road surface.
Patent DE-2600386-A1 (DE)
Title: Speech signal transmission system - has dynamic compressor at the transmission side and a dynamic expander at the reception side
Inventor: TOKUNAGA TADATSUGU
IPC: H04B1/64
Filed: 1976-01-07
Abstract: The dynamic compressor has a differential amplifier (100), with the input signal applied to its one input (104). A first means (101, 102) generates a signal proportional to the amplifier (100) output signal envelope. A multiplier (103) multiplies the amplifier output by the first means output. A second means connects the multiplier (103) output to the amplifier (100) second input. The first means is typically an absolute value detector in series with a peak value detector, which behaves as a filter.
Patent DE-2600765-A1 (DE)
Title: Interference voltage reducing filter choke - has core with three shanks with coils on outer shanks and air gap in inner one
Inventor: EMMRICH PETER
IPC: H01F19/08
Filed: 1976-01-10
Abstract: The choke is intended for current supply systems with a chopper for communication apparatus, and has two separate coils for reduction of interference voltages. It has a three-shank core, the two coil being mounted on the outer shanks, while the inner shank has an air gap. Direct current flows through the two coils in such manner that the magnetic flux in the inner shank has the same direction. Preferably the choke has a low inductivity and cooperates with a high value electrolytic capacitors. Two additional capacitors provide the interference voltage reduction.
Patent DE-2613645-A1 (DE)
Inventor: SIEPMANN REINER DR
IPC: C07C45/62
Filed: 1976-03-31
Abstract: alpha , beta -Dihydrocinnamaldehydes are prepared by selective hydrogenation of corresponding cinnamaldehydes in the presence of a palladium catalyst on a support of activated carbon and of an aqueous alkaline solution of an alkali metal compound at a reaction temperature of at least 40 DEG C and a pressure of at least 1 bar. To shorten the reaction time without impairing the yield and the selectivity, the starting mixture of cinnamaldehydes, palladium catalyst on activated carbon support and aqueous alkaline solution of the alkali metal compound is heated to the reaction temperature under a hydrogen atmosphere.
Patent DE-2615272-A1 (DE)
Title: Pipe connection with short overlap between pipes - has cylindrical clip around joint to allow easy separation even if joint is corroded
Inventor: NEUMANN JOACHIM ING GRAD
IPC: F16L21/06
Filed: 1976-04-08
Abstract: Pipe connector for pipes subject to corrosion, e.g. IC engine exhausts, comprises a first pipe (3) having a short end portion (2) of reduced diameter to fit sealingly into the end of a second pipe (1). Both pipes present a continuous external surface. The joint region is surrounded by a generally cylindrical clip (5) which is of sufficient axial length to provide the joint with mechanical strength. The clip itself is easily removable and the short length of engagement between the pipes themselves allows them to be separated easily even if they are corroded together. The reduced end portion may be slightly spherical.
Patent DE-2615599-A1 (DE)
Title: Metal granules obtd. from melting residues or dross - using a horizontal air duct to separate metal from oxides
Inventor: DONADIO LUIGI
IPC: B22F9/04
Filed: 1976-04-09
Abstract: In the mfr. of metal granules, the melting residues and/or dross is subjected to milling and then fed through a calibrating slot into a classifier with a reduced air pressure and circulation of ar, the metal granules being removed from the upstream section of the classifier while being exposed to a counter current of air drawn into the classifier by the low pressure zone. The quality of the granules if pref. controlled by the pressure and circulation in the low pressure zone. the pref. plant includes a hammer mill in which the grid has been replaced by a calibrated slot leading to a horizontal classifier followed by a filter and suction fan which creates the reduced air pressure. Spherical metal granules are obtd. at low cost due to the use of scrap materials, e.g. the recovery or zinc in dross arising from the melting of Zn cathodes.
Patent DE-2615875-A1 (DE)
Title: Starting up spinning from the melt - automatically by suction guide mechanism, bundling filaments and shearing off waste
Inventor: LINDNER WOLFGANG-LUDWIG DR
IPC: B65H54/86
Filed: 1976-04-10
Abstract: The spinning of synthetic yarns from the melt is started up automatically by feeding the filaments falling down a shaft, into a collector having, for pref. the form of a funnel. From the funnel the filament are drawn along a tube so that in the delivery shaft they are put under tension. On the receipt of a signal, the collector is moved sideways, to bundle the filaments at a point where the yarn has already begun to form. The thread is then cut, taken over by a suction arrangement moved together with the shear and drawn from the spinning shaft along the suction tube. The shear and the suction device move simultaneously, the thread being chopped through by a hammer striking a block on the funnel. The suction device is finally moved from its holder.
Patent DE-2616527-A1 (DE)
Title: Current transfer switch with positive feedback - with additional negative feedback to restrict max. gain of positive feedback path to unity
Inventor: WILHELM WILHELM DR ING
IPC: H03K17/60
Filed: 1976-04-14
Abstract: The switch is intended for processing binary signals, and has two transistors whose emitters are supplied through a common resistor providing current impression. Binary signals are applied to the base of the first transistor (T1) whose collector is connected to the base of the second transistor (T2). Equal load resistors (R1, R2) are provided in collector circuits of the two transistors. A negative feed-back is provided, which brings to about one the maximum gain in the loop formed by the positive feed-back circuit. Between the emitters of the transistors are connected to feed resistors (W1, W2) the ratio of each of which to the resistance of the working units (R1, R2) is about 0.2.
Patent DE-2631529-A1 (DE)
Title: Hydrostatic drive for crane - has closed pump-motor circuit with valve system to allow free wheeling of motor
Inventor: THODE KARL-HEINZ
IPC: E02F9/22
Filed: 1976-07-14
Abstract: The hydrostatic drive has a pump and motor connected in closed circuit by two operating lines. When a pump output control lever is moved one way to turn the motor in one direction, one of two valves between the operating lines is closed while the other valve is free to pass fluid in one direction. This allows the motor to accelerate away from the pump. Opposite movement of the lever has the opposite effect. Reversing of the lever opens both valves so that the motor can then free-wheel back into its original position. The arrangement avoids shock loads on the drive.
Patent DE-2639916-A1 (DE)
Title: Stretched canvas hinged awning - has pillow blocks with support poles which are movable in three dimensions
Inventor: HAERING THEODOR
IPC: E04F10/04
Filed: 1976-09-04
Abstract: The awning for protection against bad whether consists of one or more canvas sheets linked to, or stretched over, supporting poles which are hinged radially on a support in turn attached to a wall. A transmission system which has one or more pivot pillow blocks allows the supporting poles or bars to be moved horizontally like a fan, and holds them in this spread-out position. The transmission system also enables the poles/bars to pivot in a perpendicular direction whilst still under tension and to rotate in a third plane perpendicular to the other two.
Patent DE-2643023-A1 (DE)
Title: Adjustable template for contour drawing - has profiled ends formed on bars coupled by mating ribs and grooves
Inventor: SCHLUETER DIETER
IPC: B43L13/00
Filed: 1976-09-24
Abstract: The adjustable template comprises a number of bars coupled together, the bars being slidable in relation to each other. Each bar has a lengthwise profiled rib along one side, and a mating recess, with undercut portions, along the other, both being of circular cross-section. Alternatively, the bars may be rectangular or of dovetail section, or the bar can be of cruciform section, with a square tube open a long one edge, while along the opposite one there are two ribs inclined to each other. There may be pins protruding from the ends of the bars, typically forming extensions of the ribs.
Patent DE-2643271-A1 (DE)
Title: Continuous thread winding and spool changing system - cuts in empty spool motor before guiding thread onto it
Inventor: KALMAN SANDOR
IPC: B65H67/052
Filed: 1976-09-25
Abstract: In continuously winding yarns or filaments, the bobbins are pivoted on a common axis to bring them into the winding position and give an automatic bobbin change. The drive motor (11, 11') for the empty bobbin (6, 6') is activated before a bobbin change, and the reciprocating unit 3, 4, 5) places the yarn (2) at the flange of the bobbin sleeve spindle. The bobbin (6, 6') are then pivoted so that the yarn (2) from the full bobbin (6,6') passes through the clamp at the empty bobbin. The clamp closes automatically and the yarn is cut and clamped at two points, and the yarn (2) from the reciprocating unit (3, 4, 5) starts to a wound on the empty bobbin. The rotation of the full bobbin draws the end of the yarn (2) through the clamp, and the drive motor (11, 11') for the full bobbin (6,6') is switched off.
Patent DE-2649176-A1 (DE)
Title: High repeatable accuracy ultrasonic drilling machine - programmer for successively positioning workpiece table movable on slide
Inventor: GIEGERICH AUGUST
IPC: B23B37/00
Filed: 1976-10-28
Abstract: The ultrasonic drilling machine has ultrasonic generator which carries the drilling tool. The drilling tool and the workpiece support table move towards each other relatively in drilling direction. The system can be adapted for use with machine tools cutting metal with conventional tools. The workpiece table (5) is adjusted in a plane at right angles to the drilling direction (25). A mechanical storage (38) is provided with stops (36,37) for defining the position of the workpiece table (5) in the plane of given drilling operation. The workpiece table moves on a slide which moves preferably in horizontal direction.
Patent DE-2650810-A1 (DE)
Title: Electromagnetically operated fluid valve - has two pot magnets with open sides closed by circular anchor plates moved by inner coil
Inventor: HEIST ERNST DIPL PHYS
IPC: F16K31/08
Filed: 1976-11-06
Abstract: The valve allows permanently magnetised stopping in a primary position, and electro-magnetic changeover from the primary to another position. Two pot-type magnets of circular cross-section, with their closed lower sides set against each other. On the central section of a tube (1) a soft iron ring-shaped permanent magnet is located. On the periphery of the ring magnet, pole shells of the length of the magnet core tube are fitted, and the open face side of each pot magnet is closed by a circular anchor plate. The plate is retained in position by a permanent magnetic process, and the other is separated from the magnet by an air gap. A magnet coil is inserted in each pot magnet for release of the two anchor plates.
Patent DE-2651381-A1 (DE)
Title: Miniature football played on eleven different courts - each court having obstacles of increasing difficulty for goal scoring
Inventor: KUHNES GEB HAMBACH GABRIELE
IPC: A63B67/00
Filed: 1976-11-11
Abstract: A game of miniature football is played on eleven separate courts, each 5 m x 1.2 m. A goal 126 cm x 80 cm x 60 cm is installed out at one end and a kick-off position is marked by two concentric circles at the other end. A figure cast in metal and 60 cm high represents the goalkeeper. The first court has two similar figures to represent players placed at 2 m from the kick-off end. The human players must try to kick a football into the goal. Each court has a different number of toy figures arranged to make goal scoring increasingly difficult. Some of the courts have the goal arranged on the side so that a goal has to be scored by a corner kick.
Patent DE-2659386-A1 (DE)
Title: Temp. and load dilatometer - with capacitive deformation sensor and feedback compensation through sine bar
Inventor: JERMILOV NIKOLAJ KONSTANTINOVI
IPC: G01N3/06
Filed: 1976-12-29
Abstract: Appts. for investigating materials at given temp. and load, e.g. for thermomechanical and dilatometric measurements on polymers, has a since bar mechanism which is rigidly connected to a differential deformation sensor. The measuring rod resting on the sample acts on the latter which controls a bridge circuit to operate a reversible motor. This compensates the deformation through a micrometer screw. Arrangement raises the accuracy and sensitivity as it responds to loads of 0.2 g instead of 10-15g on conventional instruments. The range of measurements is widened from -150 to +900 degrees C, a deformation of 0-3 mm and a max. load of 70 kg/cm2.
Patent DE-2706380-A1 (DE)
Title: High pressure vessel shell mfr. - by coiling metal sheet and welding free edge as well as outer layers together
Inventor: PATON BORIS EVGENIEVITSCH
IPC: B21C37/15
Filed: 1977-02-15
Abstract: A laminated shell for a high pressure vessels and pipes is made by wrapping a metal sheet into a coil, welding the sheet and edges adjoining coil layers and joining adjacent layers by welding. Layers are joined together upon completion of coil wrapping by fusing at least three layers nearest to the overlapping layer along a line equidistant from the sheet and edge. The fusing is pref. carried out along the outer end of the sheet simultaneously with the forming of the weld joining the outer end of the sheet to the adjacent outer layer of the coil.
Patent DE-2708604-A1 (DE)
Title: Computerised tomographic X=ray machine display - inserts average value between every two picture elements of picture matrix
Inventor: MAASS WOLFGANG ING GRAD
IPC: A61B6/03
Filed: 1977-02-28
Abstract: A computerised tomographic x-ray machine has an x-ray camera above the patient's body and a detector underneath which can be rotated to make a series of pictures around the patient's body. The detector is connected to a measurement transformer and a calculator followed by a display tube. The outputs of the detector are scanned so that the picture is displayed on a matrix having 128 X 128 picture elements. The elements are processed so that an average value of every point added to that next to it is calculated, and this value is inserted between the two points from which it was obtained.
Patent DE-2715045-A1 (DE)
Title: Heat reclamation from waste water - uses collecting tank, heat exchanger, and heat pump to heat water
Inventor: IWAN KLAUS
IPC: F24D17/02
Filed: 1977-04-04
Abstract: The process is for the recovery of heat from the waste water from buildings. The water is collected in a tank, heat is extracted using a heat exchanger and is transmitted to a flowing medium. The medium is circulated from the exchanger to a heat pump and back through the exchanger. In the heat pump, water is heated to a higher temp. and either used as industrial water, or for other heat producing purposes. The water heated in the pump is passed as cooling water through the radiator of an IC engine, driving the heat pump, and subsequently through a heat exchanger for the engine exhaust.
Patent DE-2718216-A1 (DE)
Title: Bar or tube securing strip - is of spring material wound round in single coil with overlap, securing hole in free end
Inventor: GROSS LOTHAR
IPC: F16L3/237
Filed: 1977-04-23
Abstract: The securing device for bars or tubes, has a retainer (1) made of rolled flexible spring strip which releasably wraps around the bar (4), the wrapping angle being greater than 360 deg. The strip has an even, inwardly directed curvature, and is rolled up automatically. At its outer end, it has a hole (2) for wall fixture. For two bars, the strip has two oppositely wound coils with a clearance between. The parts of the spring which have holes (2) are firmly attached to reinforcement pieces (3), and the whole strip has a protective lining of elastic material.
Patent DE-2719265-A1 (DE)
Title: Hydraulic torque converter clutch - has cams acting on friction pads after initial engagement to wedge them in position (BR 31.5.77)
Inventor: POLOMSKI JOHN
IPC: F16H45/02
Filed: 1977-04-29
Abstract: The clutch has a support mounted on one rotatable element and several friction pads mounted between the support and a second rotatable element. Cams on the support contact the friction pads, centrifugal force acting on the friction pads to engage the clutch. The cams act on the friction pads after their initial engagement to wedge them between the support and second element. The clutch is disengaged when the couple transmitted by the clutch exceeds the transmission capacity between the friction pads and the second rotatable element.
Patent DE-2720774-A1 (DE)
Title: Signal exchange between subscriber's equipment and central control - is used in telephone exchange and scanner searches lines for signals, and stops when it finds one
Inventor: GETZ WOLFGANGN ING GRAD
IPC: H04Q3/545
Filed: 1977-05-09
Abstract: Individual data transmission lines run from the decentral units to the inputs of a central scanner. The scanner consecutively and cyclically searches the data transmission lines for a message signal, and when it finds this signal, it stops the scanning at this transmission line. Then signals from the reporting decentral unit are transmitted through the line in series by binary coded signals to the central control. Reply signals from the central control are transmitted by the same code and through the same line to the decentral unit. At the end of signal exchange the scanner resumes its search.
Patent DE-2722059-A1 (DE)
Title: Carpet web clamping unit on intermittently operating printer - has stationary releasable edge grips with projection forced into web
Inventor: MITTER MATHIAS
IPC: B41F15/24
Filed: 1977-05-16
Abstract: Stationary, releasable edge grips have projections which dig into the sides of a web forming a base for tufted carpet material to clamp it in an intermittently operating printing machine. The projections are located on the lower side of a hinged sheet. The grips are adjustable relative to one another and to the web edges. Alternatively, projecting strips are fixed to the printing table or an under blanket and the projections pref. in the form of claw or barbed wires are inclined to the direction of the web transport and the outer edge of the machine.
Patent DE-2723312-A1 (DE)
Title: Strap tightening and securing mechanism - has spring loaded balls protruding into guide channel through sides
IPC: B65B13/06
Filed: 1977-05-24
Abstract: The mechanism tightens and secures banding straps round packages etc. having a strap guide in the form of a channel wide enough to take the strap and allowing the latter to emerge from it on the side towards the package. The channel (29) is open for its whole width on the side towards the packet for part at least of its length. In its opposite sides (30, 31) are a number of spring-loaded balls or rollers (38), protruding part way through openings (32) in the walls into it. These openings can be smaller that the ball dia. their edges acting as supporting surfaces for the balls.
Patent DE-2723486-A1 (DE)
Title: Heavy duty cable coupling system - has coupling bars within housing filled with insulating material
Inventor: KRETSCHMER KLAUS
IPC: H02G15/115
Filed: 1977-05-20
Abstract: A coupling is designed to handle three core high power cable connections and to provide high insulation properties combined with ease of use. One half of the coupling has an inlet for the lead coated cable (1). The inlet block is flange bolted to the connection housing (4). Within the housing the three cores are separated and connected to a spacer block (3). Coupling bars interconnect with a similar unit from the other cable. Access holes (46) are provided to allow the entire assembly to be embedded in a suitable insulating material.
Patent DE-2726332-A1 (DE)
Title: Milk fermentation - by cooling boiling milk to incubation temp., holding and rapid chilling
Inventor: RUNDMUND REINHOLD
IPC: A23C9/12
Filed: 1977-06-10
Abstract: Milk fermentation in the prodn. of yoghurt uses a vessel in which the boiling hot milk is first cooled to an ideal incubation temp. before the ferment is added. The full vessel is then held completely insulated and without heat input at the incubation temp. When the incubation period is over, the insulation is removed and a rapid chilling completes the process. This results in a 100% utilisation of the enzymes without any extraneous heat input. Satisfactory sterility is ensured and the fermentation process is completed in the optimum and shortest time.