baber/WOPTO huggingface dataset:
Patent DE-2852965-A1 (DE)
Title: Waste water duct backflow stop valve - has sloping inflow opening, and float guides on inset removable from inspection hole
Inventor: HAGEDORN LEONHARD
IPC: E03F5/042
Filed: 1978-12-07
Abstract: The valve incorporates a spherical float, which can stop an inflow opening, and guide elements moving the float against the opening when rising, and keeping it away from the outflow when falling. An inspection hole, with lid, is fitted upstream from the inflow opening. The inflow opening (3) is inclined at an acute angle against the horizontal. The guide elements (5) are seated on the insert unit (6) which can be removed from the inspection hole. This unit may be clamped against the valve housing (1) by screws (7) or wedges. Water lever difference between outflow and inflow pipe branches is thus reduced to a minimum. The insert may also contain a valve seat for an incorporated second valve.
Patent DE-2856820-A1 (DE)
Title: Extended feed mechanism for sewing machines - having an endless belt on each side of sewing arm
Inventor: HOSS HEINZ
IPC: D05B27/10
Filed: 1978-12-30
Abstract: A sewing machine with a cantilevered-arm stitch-plate for the prod. of sleeves, legs, and similar articles has an extended feed mechanism which maintains control of the articles, however short or long, after they have passed the sewing point, and enables the threads to be accurately severed automatically both in front of and behind each article. The device comprises two endless belts, one on each side of the longitudinal axis of the arm, which extend along the side of the arm parallel to the direction of motion of the workpiece at least from a point adjacent the feed dogs of the sewing machine to beyond the thread-cutting mechanism. The operative does not need to keep the articles under manual control beyond the sewing point, and is freed from the time consuming-task of manual sepn. of a string of articles, thus productivity is substantially increased.
Patent DE-2906822-A1 (DE)
Title: Concrete silo roof construction edge formwork - has height adjustable support surfaces on swivelling stirrups on form boards
IPC: E04G11/06
Filed: 1979-02-22
Abstract: The peripheral sheating is used on circular silos for concreting the ceiling of roof. It uses a set of curved form board assembled into a closed circle. Use is made of form boards with one or pref. two stirrup pieces (2) which can be removed or swung away across the top edge. These incorporate a support surface (12), which may be adjustable to a height in relation to the top edge of the board. Stirrup pieces may be resiliently mounted on a boom (5) on the form board. This does not require normal wall formwork for roof concreting.
Patent DE-2908842-A1 (DE)
Title: Worm compactor for screen bar material - driven by motor on spring-loaded control rocker
Inventor: KRAUS KARL
IPC: B30B9/12
Filed: 1979-03-07
Abstract: Material, collected from bar screens in water clarification plant, is dewatered, compressed and transported by a screw-type compacting machine. A horizontal cylinder is equipped with strips of trapezoidal section which is narrowed towards the discharge end. The water escapes through tapered slots between the strips. The drive motor is mounted on a spring loaded rocker and is cut out when the torque required becomes excessive. This compacts and dewaters such material with a high efficiency. Bulky solids do not stall the motor or cause damage. The drain holes do not become clogged.
Patent DE-2913491-A1 (DE)
Title: Measurement of pneumatically delivered solids for smelt injection - using measurement tube loop weighed by pressure measurement cell and prevented from sliding movement
Inventor: FREISSMUTH ALFRED DIPL ING DR
IPC: G01G11/04
Filed: 1979-04-04
Abstract: The device is for the measurement of the delivery flow of solids delivered pneumatically for injection into molten metal and enables the uniformity of the flow to be monitored by permitting flow measurement at different points before the granular or powdered material enters the injection lance. A measurement tube loop is inserted into the delivery system. It is mounted so as to enable movement permitting it to be weighed by a pressure measurement cell but is secured against sliding movement. The measurement tube loop may be used in conjunction with a flow transmitter to determine delivery flow rate. The sensor signal produced is integrated in a recording section integrator to derive the quantity of material delivered. The measurement signal may be used to permit control of the delivered quantity.
Patent DE-2919241-A1 (DE)
Title: Hay making machine for tractor mounting - has telescopic frame support to vary spacing of two rotors
Inventor: KUNTZE KARL-HEINZ
IPC: A01D78/10
Filed: 1979-05-12
Abstract: The hay-making machine has a rigid frame and at least two rotors and is for fitting to a front three-point linkage of a tractor. To vary the spacing of the drive shafts of the two rotors (7, 8) the frame support (4) can be moved telescopically and can be fixed in the required operating positions. The frame support can also be brought into an inclined position by pivoting about a vertical axis (5). At least one of the rotors (e.g. rotor 7) can have its direction of rotation reversed.
Patent DE-2919757-A1 (DE)
Title: High purity bisphenol prodn. in high yield - by reaction of phenol and cpd. contg. ether linkage in presence of acid condensing agent
Inventor: MARK VICTOR
IPC: C07C37/86
Filed: 1979-05-16
Abstract: Prodn. of bisphenols comprises reacting, in the presence of an acidic condensing agent, (a) a phenol having a reactive hydrogen para to the phenolic hydroxyl and (b) a cpd. of formula (I), (II), (III) and/or (IV): R and R1 are H, lower alkyl or aryl, X is lower alkoxy or the same as X', Y is Cl or the same as X, X' is aryloxy, n = 3-9, m=n-1, and Z (not defined in the Claims), is 1,2-or 1,3-propylenedioxy (opt. substd. with lower alkyl, lower hydroxyalkyl or hydroxy) or arylenedioxy. The process gives excellent yields of highly pure bisphenols.
Patent DE-2922803-A1 (DE)
Title: Ignition system for IC engine - continuously ignites gas mix in cylinder to ensure total combustion of fuel, using flip=flop converting battery current
Inventor: NIRSCHL FRANZ MAXIMILIAN
IPC: F02P3/08
Filed: 1979-06-05
Abstract: The ignition system has no mechanical contacts. High voltages are produced continuously so that the plugs spark continuously. Several ignition sparks are produced continuously during each piston stroke so that the gas mixture in the cylinder is burnt completely. Diesel oil can be burnt in a conventional IC engine with no explosion occurring. In this case three piston rings should be employed. If the system is used in a diesel engine, the compression rate can be reduced with no detonation. A flip flop converts the battery's dc into pulses which are amplified and converted into a high voltage.
Patent DE-2929658-A1 (DE)
Title: Railway vehicle push and pull mechanism - has screw coupling hanger base extension on monolithic hook frame and guide
Inventor: ROMMERSKIRCHEN KURT
IPC: B61G9/22
Filed: 1979-07-21
Abstract: A spring lying in a housing unit, and a fork-shaped connecting piece for a draw hook, are incorporated in a draw and impact device, esp. for rail-bound rolling-stock, the fork part being surrounded by a socket-type draw flange, with sealing sleeve attached to the hook. The frame (1a) and draw hook guide (1b) consist of a single attachment piece (1), made by welding, pressing or casting. This has a downward-facing prolongation (1c), for suspension of a screw coupling not located in the operative assembly.
Patent DE-2931568-A1 (DE)
Title: Carded fibre gatherer - has funnel as close as possible to card delivery
Inventor: KLUETTERMANN JUERGEN
IPC: D01G15/46
Filed: 1979-08-03
Abstract: The funnel to take the fibre material from the carding machine, to gather it into a sliver, is directly against the card delivery, so that the fibres travel the shortest possible distance between the carder and the funnel. The design allows a high speed fibre movement, without the risk of interruptions in the fibre flow.
Patent DE-2932726-A1 (DE)
Title: Effective seal for sack with internal valve - by deforming sack walls temporarily and clamping valve between electrodes
Inventor: HERDA DIETER ING GRAD
IPC: B29C65/08
Filed: 1979-08-13
Abstract: The upper section of a valve sack having in the zone of the valve opening a layer of material which can be welded by heating, is deformed by the welding electrodes during the sealing operation. The electrodes exert such a pressure on the heat weldable layer, that it is welded right through the deformed walls of the sack. Pref. the layer is formed such that during the deformation of the upper zone of the sack, two walls of the layer lie against each other. Used to seal in a reliable fashion sacks filled with granular and powder form materials. The problem arising esp. in sacks with internal valves, is solved and a leakproof closure is ensured. The contents bring the sack back to its box-like shape immediately.
Patent DE-2938872-A1 (DE)
Title: 4-Hydroxyphenyl-glycine prodn. - by condensing phenol with glyoxylic acid to give 4-hydroxy-mandelic acid mono:hydrate, which is di:acetylated and treated with ammonia
Inventor: DANNENBERG WOLFGANG DR
Filed: 1979-09-26
Abstract: Prepn. of 4-hydroxyphenylglycine (I) from phenol and glyoxylic acid (II) or one of its salts, comprises (a) condensing 1 mol. (II) or its salt with 1.0-1.5 mol. phenol and 2.0-2.5 mol. alkali hydroxide in aq. soln. at 5-40 deg.C and pH at least 11, extracting unreacted phenol at pH 3.5-6 and isolating the resulting 4-hydroxymandelic acid monohydrate (III) at pH 1-3 and then drying the (III); (b) diacetylating (III) at 20-70 deg.C and isolating the resulting diacetyl cpd. (IV) by removal of the volatile components; and (c) reacting (IV) with ammonia at 5-40 deg.C in an aq. soln. and isolating the resulting (I) by a conventional method. (I) is used in the prepn. of semi-synthetic penicillins and cephalosporins.
Patent DE-2947076-A1 (DE)
Title: 2-Heterocyclyl-5-phenyl-1,4-benzodiazepine derivs. - useful as anticonvulsant agents
Inventor: SCHEFFLER GERHARD DIPL CHEM DR
IPC: C07D403/04
Filed: 1979-11-22
Abstract: 2-Q-5-Ar-7-R1-3H-1, 4-benzodiazepines of formula (I) are new. In (I) Q is a N-bonded 5-membered unsatd. heterocyclic gp. contg. 2 or 3 N atoms, opt. fused with a benzene ring; R1 is F, Cl, Br, CF3 or NO2; Ar is phenyl, 2-halophenyl or 2,6-dihalophenyl. Specific cpd. is (I) where Q is 1-imidazolyl, R1 is Cl and Ar is phenyl or 2-chlorophenyl. Cpds. (I) are prepd. e.g. by reacting (II) with QH. In (II) X is Cl, Br or di(morpholino)phosphoxyloxy. (I) are anticonvulsants useful for treating epilepsy; many have higher anticonvulsant activity and lower general tranquillising activity than diazepam.
Patent DE-3014012-A1 (DE)
Title: HF coupling and decoupling circuit - has high point of coupling inductance connected to resistor at tuning voltage via tuning diode
Inventor: KLEIN WALTER ING GRAD
IPC: H03F3/191
Filed: 1980-04-11
Abstract: The circuit is intended for a selective radio and television tuning arrangement. It has an inductance (L2) coupled to the tuning circuit (L1,D1,C1). The input signal is dc. coupled to a tap of the coupling inductance. The high point of the latter is connected to a resistor (R2) via a tuning diode (D2). To the resistor is connected a tuning voltage (U) of a tuning diode circuit. The capacity of the tuning diode is variable in dependence on the tuning voltage. Preferably a coupling capacitor (C2) has one terminal connected to the junction point of the tuning diode and resistor, while the other terminal is connected to an active amplifier (V) for control. A further resistor (R1) may have one terminal connected to the junction point of a capacitance diode (D1) and a capacitor (C1). The other terminal goes to the junction point of the tuning diode, the first resistor and the coupling capacitor.
Patent DE-3014853-A1 (DE)
Title: Blister pack separating machine - cuts longitudinal parallel strips of blister packs along break lines using driven slide support and separating elements
Inventor: BARUFFATO ROBERTO
IPC: B65B61/04
Filed: 1980-04-17
Abstract: The length strips of blister packs are separated in a transverse direction to produce separate blister packs. The machine includes a first vertically movable slide support carrying a sheet like separating element and with pressure elements vertically and elastically movable on both sides of the sheet like separating element and having their bearing on the slide support. A second vertically movable slide support with counter pressure elements is located below the pressure elements. There is an actuating mechanism operating the drive of the first and second slide supports alternately so that during the first process stage the length strips are gripped by the pressure and counter pressure elements with subsequently the separating element activated by the elastic force to separate the length strips along the transverse extending break lines.
Patent DE-3017144-A1 (DE)
Title: Opto-electric fire detection system - uses optical detector to identify sparks in saw dust extraction duct
Inventor: RUSSWURM MANFRED
IPC: G08B17/12
Filed: 1980-05-05
Abstract: The opto electrical sensing system is designed to detect the generation of sparks in a flowing air stream. The system is intended specifically for woodworking saws where the sawdust is extracted by a fan coupled to a duct. An optical detector is located in the side of the duct and has an angle of vision that covers the full cross section. The detector consists of a bundle of quartz fibre optic conductors (56) that are bonded together and are located behind the window (54) inset into the duct wall (50). A bush (60) holds the fibre optic bundle in position within a main block that has cooling grooves (70). A heat resistance sheath (66) surrounds the conductor.
Patent DE-3023638-A1 (DE)
Title: Impregnating porous articles to seal pores - by evacuating pores and releasing vacuum beneath liq. impregnant with subsequent washing and curing
Inventor: YOUNG PETER DAVID
IPC: C04B41/45
Filed: 1980-06-24
Abstract: A porous article is placed in a vessel which is evacuated to withdraw air from the pores. The vacuum is released with the pores beneath the surface of a liq. impregnant in the vessel. Excess impregnant is removed from the vessel and the article is washed to remove impregnant from the surface The article is heated to effect curing of the impregnant within the pores. Method is used for the impregnation of metal castings with resins to seal porosity. Wood, brick, stone or concrete may also be treated. The material to be impregnated can be rotated to facilitate impregnation, draining and washing. The impregnation cycle is fast, simple and automatic. Air locks and impregnant entrapment is reduced by rotation of the material. There is effective draining between cycles.
Patent DE-3026579-A1 (DE)
Inventor: THIES PETER WILLIBRORD DR PHIL
IPC: C07D493/08
Filed: 1980-07-14
Abstract: Novel and highly effective sleep inducing 3 beta -hydroxy methyl-4 alpha -hydroxy-8 beta -alkoxy-2,9-dioxa tricyclo [4,3,1,03,7] decane compounds of the following Formula:  <IMAGE>  in which R1 indicates an alkoxy group and preferably a lower alkoxy group, such as the methoxy group, the ethoxy group, or the n-butoxy group, while R2 indicates the 10-methylene group or the 10 beta -methyl group, are produced from didrovaltratum, i.e., 1-isovaleroxy-4-isovaleroxy methyl-7-acetoxy-spiro-oxirano-1,9-dihydrocyclopenta(c)pyrane or from extracts of plants of the genus Valerianaceae which contain about 70% of didrovaltratum. The novel compounds have a surprisingly low toxicity.
Patent DE-3031536-A1 (DE)
Title: Lorry rear loader with computer control - has rear grab for load transfer to remote controlled lift truck with three pairs of forks which loads jacked-up lorry
Inventor: HILDEBRANDT ELEONORE
IPC: B62B3/06
Filed: 1980-08-21
Abstract: From the discharge point the load is transferred to a remote controlled lift truck with three pairs of forks by a grab system, the truck conveying the load into a jacked-up lorry. Pref. the position of the lorry is determined by guide rods, pressed against the lorry on either side. Parallel to the guide rods are mounted light sources, emitting light beams impinging on photosensitive layers which provide position indication of the lorry to a computer. The computer aligns a lift truck supporting platform with the centre of the lorry along its longitudinal axis. The light sources may be partly covered by a semi-transparent mirror, providing impingement on two independent photosensitive layers. The grab system has swing members for retention and safe transport of pellets, after mutual interconnection. The lift truck is guided by a light beam.
Patent DE-3031622-A1 (DE)
Title: Electrical machine rotor fitted with balancing weights - has reception apertures for receiving weights secured by material deformation
Inventor: KOCHANNEK FRANZ ING GRAD
IPC: H02K7/04
Filed: 1980-08-22
Abstract: The rotor is formed with apertures (12) designed to receive equalising weights (13) used to balance the rotor. These equalising weights (13) are formed as bolts with a circular cross-section and the depth of each aperture (12) is greater than the length of these bolts. The inserted equalising weights (13) are secured in place after insertion by deforming the rotor material in the zone surrounding each aperture (12). Pref. the rotor material is deformed to push it inwards towards the inserted bolt along two arcs lying on each side of each aperture (12). The rotor is designed for mass production and ensures that attached balancing weights do not come loose during rotation.
Patent DE-3032785-A1 (DE)
Title: Metal powder prodn. by ultrasonic atomisation - using high heat supply rate to avoid vibration damping by softened metal
Inventor: AICHERT HANS DR ING
IPC: B22F9/08
Filed: 1980-08-30
Abstract: In the ultrasonic atomisation of metal powder by ultrasonically vibrating a metal body having a molten zone at its surface formed by a high energy heat source, the rate of heat supply is so high that the speed of travel of the melt front through the body is at least as great as that of the softening temp. front, pref. at least as great as that of the front corresp. to half the melting temp. The metal is melted and atomised at a rate faster than its rate of softening so that damping of the ultrasonic vibrations, and hence termination of atomisation, is avoided. Thus the process can be operated continuously for longer periods and the body can be completely atomised.
Patent DE-3036679-A1 (DE)
Inventor: ASADA AKIHIRO
IPC: G10L25/00
Filed: 1980-09-29
Abstract: This PARCOR-type speech synthesizer replaces a ten-stage lattice type filter with a pipeline multiplier and feedback loop, and provides a loss circuit (for bandwidth broadening) using subtraction circuits for multiplication.
Patent DE-3040452-A1 (DE)
Title: Early detection of heart muscle degeneration - is esp. for fattened animals, using temp. sensor and optical breathing pulse rate sensors
Inventor: HOLZ ARMIN DR
IPC: A61B5/113
Filed: 1980-10-27
Abstract: An arrangement enabling the early detection of degenerative heart muscle changes in fattened animals, esp. in fattened pigs, measures the frequency of the breathing and pulse and the temp. of the body surface. It enables rapid, reliable and practical sorting of endangered from healthy animals whereby the necessary parameters are measured without manipulating the animals. A measurement head (1) which is directed at the flank of the animal contains a temp. sensor (8) and a light source (4) and receiver (5) for measurement of the breathing and pulse frequency. The temp. sensor and optical receivers are connected to an evaluation circuit (6) with an associated display (7). Separate systems are used for breathing and pulse frequency measurement with wavelengths which do not overlap. The pulse rate measurement is performed with the aid of a directional microphone.
Patent DE-3040471-A1 (DE)
Title: Re-grouped type pole switching three=phase winding - has three main winding branches interconnected and winding branch groups interconnected and connected to neutral winding branches
Inventor: AUINGER HERBERT DIPL ING DR TE
IPC: H02K17/14
Filed: 1980-10-27
Abstract: Pole changing three-phase winding by the regrouping principle for pole-pair ratios of p1:p2=(3m+-1):3n (where m and n are integral positive numbers) aims at providing in both pole stages a six-zone winding arrangement with corresponding freely selectable coil widths with exclusion of undesirable even- numbered harmonics. In each case, three main winding branches associated with the same phase-winding of the other pole pair number are tightly connected together by their 'starts and ends'. The winding branch groups formed in this manner in the main winding part are connected together and to the winding branches of the neutral winding part and are taken to three terminals for the other pole pair number.
Patent DE-3041313-A1 (DE)
Title: Pencil sharpener with plastics housing - has cutting edge clamped by welded plastics cover or integral locating projections
IPC: B43L23/08
Filed: 1980-11-03
Abstract: The pencil sharpener has a housing made from plastics material, with a conical insertion opening for the pencil. A blade is fixed to the housing. The housing is made in two sections, with the cover plate (2) holding the blade (3) against it's support on the lower section of the housing (1). The cover plate may be welded to the lower section of the housing and there are complementary centering projections and recesses on the latter and the cover plate (2) in the form of a surrounding edge and a complementary groove.
Patent DE-3043667-A1 (DE)
Title: Seven-lens zoom objective with axially movable second lens - has lenses specified for good correction of spherical and coma aberration
Inventor: BERTELE JUERGEN
IPC: G02B15/14
Filed: 1980-11-19
Abstract: The zoom objective comprises at least six lenses (L1-7) separated by air spaces (l1-6). The front lens (L1) is a rearwardly convex (r2) dispersing lens whilst the bi-convex second lens (L2) is axially movable. The collecting fifth lens (L5) is strongly forwardly convex (r9) whilst the dispersing sixth lens (L6) is strongly rearwardly concave (r12) and is followed by a collecting rear lens (L7). The collecting third lens (L3) is immediately followed by a lens (L4) with low dispersing power whilst the air space (l3) between these two lenses (L3,4) forms a thin air lens with greater central than peripheral thickness. Limits are specified for certain parameters and curvature radii (r), lens thicknesses (d), air spaces (l), refractive indices and Abbe-numbers listed in the description for two examples with focal lengths variable between 33.3 and approx. 62.
Patent DE-3105890-A1 (DE)
Title: Measuring apparatus for a fluid flowing in a pipe system
Inventor: SCHMIDT WOLFGANG DIPL ING
IPC: G01F9/00
Filed: 1981-02-18
Abstract: Measuring apparatus as a consumption measuring device for consuming systems with a feed and return line, e.g. carburetted or fuel-injected motor-vehicle engines, in which a feedline (5) and a return line (6) are each provided with a volumetric meter (2, 3) and a branch (7) between the two volumetric meters for the consuming unit. Also provided is a bypass (9) which bypasses the volumetric meter (2) in the feedline (5) and contains a flowmeter (10). In this arrangement the volumetric meters (2, 3) are coupled directly to one another. <IMAGE>