baber/WOPTO huggingface dataset:
Patent DE-4108691-A1 (DE)
Title: Threading die with built-in guide bush - is made integral with die body and having recess for lead-in section on cutting thread
Inventor: MEINHARD SIEGFRIED
IPC: B23G5/04
Filed: 1991-03-16
Abstract: The die (1), whcih has a central cutting thread (2) with cutting edges and chip space bounded by circular blind holes (7), is used in conjunction with a die holder. Below the cutting thread (2) and forming an integral part of the die is a guide brush section with bore diameter (3) which locates and aligns the die on the stud or bolt to be threaded. Between the guide bush setion and the cutting thread is a recess of diameter (4) greater than the guide bush bore. This permits a lead-in section (3) to be produced on the cutting thread. ADVANTAGE - Negligible increase in weight. Simple and cheap to produce.
Patent DE-4110007-A1 (DE)
Title: Integrated or hybrid bipolar-MOS semiconductor circuit with differential input - has leads to electrodes configured for reduced offset and common-mode rejection
Inventor: WOYSCH GUNTER HARTMUT DR RER N
IPC: H01L27/082
Filed: 1991-03-27
Abstract: The integrated or hybrid bipolar or bipolar-MOS semiconductor circuit has at least one differential amplifier input stage, esp. a dual stage, formed on an insulating or semiconductor substrate and with layout identical to the individual transistors used. The leads (e1..,b1..) to the electrodes (E1..,B1..,C1) of these transistors (T1-T4) are configured and/or produced so that the parisitic resistance values of leads to electrodes of the same type are equal or approximately equal. USE/ADVANTAGE - For dual differential amplifier. Offset voltages and common-mode rejection are reduced without special trimming methods or circuit stages.
Patent DE-4110225-A1 (DE)
Title: Control method for inverter with induction machine - varying torque generating demand value with ripple on DC intermediate circuit voltage
Inventor: JAENECKE MICHAEL DIPL ING
IPC: H02M7/48
Filed: 1991-03-28
Abstract: The method of controlling an inverter connected on the d.c. side to a d.c. intermediate stage and on the a.c. side to an induction machine involves varying the torque generating demand value component (Msoll) defined by a controller depending on the ripple of the d.c. intermediate circuit voltage (Ud(t)). The ripple on the voltage is determined by forming the quotient of its instantaneous and average values. The torque generating demand value component (Msoll) is multiplied by the quotient when the induction machine is being driven. ADVANTAGE - Enables reduction of constant power of inverter drive system.
Patent DE-4111669-A1 (DE)
Title: Gauge glass with coaxial joint esp. for barrel - has narrower return tube extending from gauge glass coupling through three-port junction into barrel outlet
Inventor: OSTERMAIER LORENZ
IPC: G01F23/02
Filed: 1991-04-10
Abstract: The barrel (1) is drained and refilled through a tube (6) coupled to a T-joint (7) having a third port (12) to which the gauge (8) is connected by a bend (15) and stopcock (18). An inner tube (14) for return flow extends through the horizontal portion of the joint (7) from a central bore in a brass disc (13), into the barrel (1) at least as far as its outlet (11). The upstanding tube is surrounded and protected by a transparent elastic sleeve (17) of synthetic material. ADVANTAGE - Simple device indicates liq. level accurately in all circumstances, esp. during filling and emptying.
Patent DE-4112536-A1 (DE)
Title: Suction blower for strip material winding machines - guides the strip circumference and also prevents air inclusions
Inventor: SCHNEID JOSEF
IPC: B65H18/26
Filed: 1991-04-17
Abstract: The suction blower unit (1) is mounted in the gap on the strip inlet side between the strip (9) and the winding roll (3(). During suction it is automatically adapted by a gearing (2) to the changing dia. of the winding roll whilst keeping the smallest possible distance from the roll (3) and strip (9) and during the blowing function it can be removed from the gap. The suction and blowing can be carried out by the same nozzle assembly. The suction blower unit can be attached to the axle (6) of the pressure roller (4) by levers (5) on each side. USE/ADVANTAGE - The same unity produces an underpressure to prevent air being drawn in during winding and manufacturing costs are reduced.
Patent DE-4113044-A1 (DE)
Inventor: AGAIN IVAN PROF
IPC: A61Q11/00
Filed: 1991-04-22
Abstract: The preparation for the care of the teeth consists of the customary known ingredients of a preparation for the care of the teeth and contains as abrasive component cellulose powder in place of customary known polishing particles.
Patent DE-4113274-A1 (DE)
Title: Flat display - comprising matrix-addressed cold cathode, electron-accelerating chamber, fluorescent screen and gas-tight evacuated jacket
Inventor: MUELLER GERD OTTO PROF DR SC N
IPC: H01J29/04
Filed: 1991-04-19
Abstract: Flat display (I) comprises a matrix-addressed cold cathode (II), an electron accelerating chamber, fluorescent screen, and a gas-tight evacuated jacket, whereby the geometric expansion of (II) corresponds to that of the fluorescent screen and a picture element on the screen is allocated to every cathode pt. (II) is built up from one MISM-layer (metal-insulator-semiconductor metal) series arranged on a non-conducting substrate disc, consisting of a layer of rows of parallel electrode strips, insulating film, semiconductor film and vertical to these a further layer of parallel electrode strips as splitting electrodes. The splitting electrode strips at least in one part of the geometric cross-section region of the splitting and row-forming electrode strips reduce the cathode pts. to a max. 40 nm. ADVANTAGE - During stable operation at high cathode strength, formation of the beam and deviation of the electrons is avoided.
Patent DE-4115365-A1 (DE)
Title: 3-Nitro-1,2,4-triazole prepn. for use in nucleoside chemistry - by dissolving 3-amino-1,2,4-triazole in mineral acid, adding soln. to aq. inorganic nitrate soln. and isolating prod. by filtration
Inventor: HESCHEL MICHAEL DR
IPC: C07D249/14
Filed: 1991-05-10
Abstract: Prepn. of 3-nitro-1,2,4-triazole (I) comprises (a) dissolving 3-amino-1,2,4-triazole (II) in 1-1.3 equivs. of mineral acid; (b) adding the soln. at 0-65 deg.C. to a 20-40% aq. inorganic nitrite soln., contg. 1.4-3.0 equivs. of nitrite, below the surface; and (c) isolation of the resulting (I) by filtration. The acid is HCl and the nitrite is NaNO2. Addn. of (II) is at room temp., the mixt. is then heated briefly to 50-55 deg.C, and cooled to 0-25 deg.C prior to sepn. of (I). Addn. of (I) is gradual. At the end of the reaction the pH is set to 3-5.5. Excess nitrite is removed by treatment with urea, as a solid or as a highly conc. soln. Residual dissolved (I) is pptd. by addn. of a core. soln. of a Cu salt. USE/ADVANTAGE - (I) is an intermediate in the prepn. of radiosensitisers and coupling reagents for nucleoside chemistry. The process is simple, economical and environmentally-friendly, and gives good yield and purity of (I)
Patent DE-4115491-A1 (DE)
Title: Loader and unloader for goods into container - consists of base, with support, loading platform, collector and frame
Inventor: MEYER HELMUT DIPL ING
IPC: B65D88/12
Filed: 1991-05-11
Abstract: The loader for goods inside a container (2) has at least one base (4) which can be positioned in relation to the container. A support (5) supports the goods. The base can be moved along the container's lengthwise axis and moved to near a loading platform (3). The base has a guide in the form of a rail, air-cushion, rollers, pulley-coupling, slide coupling, hoist. The container has doors which, when open enable the base to slide in. At least one opening enabling the foods to pour in is situated near the support surface which may consist of a grid, with underneath trough with collector and frame. USE/ADVANTAGE - The goods are prevented from being damaged in the container and are quickly loaded and unloaded.
Patent DE-4118219-A1 (DE)
Title: Monitoring system for powered sliding doors - has frequency of generator monitored to control operation
Inventor: BRINKMANN HEINZ-JUERGEN DIPL I
IPC: E05F15/44
Filed: 1991-06-04
Abstract: The supply circuit of a door security system is monitored by being connected to a circuit (5).  The circuit has a constant voltage source (6) and a decoupling stage (7) that connects with a pair of pressure pads (1,2). The pads connect with a frequency generator (3).  The frequency is detected (9) and a monostable and control relay (11) operated to drive a motor controller to reverse the door from the closed to the open position if an object is encountered. ADVANTAGE - Monitors door condition for safe operation if object is contacted.
Patent DE-4120251-A1 (DE)
Inventor: GUMIENNY GERD
IPC: F28D1/053
Filed: 1991-06-19
Abstract: A heat exchanger for use with a heat source for heating a vaporized liquid includes a housing composed of at least two essentially cuboid chambers that lie opposite one another and are connected to one another by at least one inclined pipe and has an arrangement for filling the housing with a vaporized liquid to an adjustable level. Preferably, a plurality of pipes are provided, which are arranged in vertically-extending planes, with the pipes of adjacent planes sloping in opposite directions.
Patent DE-4123494-A1 (DE)
Title: Acoustic sealing device for steering columns - has two axially displaceable tubular parts and pretensioned spring element
Inventor: FELSEN HANS-JUERGEN DIPL PHYS
IPC: F16J15/54
Filed: 1991-07-16
Abstract: The two tubular parts (5,6) over each other in the axial direction of the shaft and the pretensioned spring element (8) lies axially between the two tubular parts. One tubular part (5) associated with the shaft (1) encloses and is axially movable with the rotatable shaft (1) while maintaining a radial distance (7). The shaft (1) has a radial collar (9) whose OD is larger than the inner bore (10) of the movable tubular part (5) and which by resting flat on an end face (11) of this part can turn and be radially displaced. The shaft (1) is closed by the collar (9) in its end area (12). USE/ADVANTAGE - Acoustic sealing of vehicle steering column. The two displaceable tubular parts compensate for any axial stagger between the shaft and through opening ensuring a silent operation.
Patent DE-4141719-A1 (DE)
Title: Metal-contg. moulding materials with high thermal conductivity - contain thermotropic polymer, metal filler and phenol], calixarene, polyvinyl-phenol, poly:arylene phosphonate or hydrolysable organo-silane
Inventor: KARBACH ALEXANDER DIPL CHEM DR
IPC: C08K5/5333
Filed: 1991-12-18
Abstract: Moulding materials (I) are claimed contg. (A) 15-70 wt. % thermotropic polymer, (B) 30-85 wt. % metallic filler and (C) 0.1-10 wt. % cpd. of formula (IIA) (with Mn below 10,000) (IIB), (IIC), (IIC), (IIE) or CH3(CH2)qSiX3 (IIF) R1, R2 = H, 1-22C alkyl or 6-14C aryl; R3 = H, 1-22C alkyl, 6-14C aryl, OH or corresponds to a bracing gp. in residue (A) n = 0-100; R4, R5 = H, 1-22C alkyl or 6-14C aryl (one gp. = H and the other is different from H); R6, R7. 1-22C alkyl or 6-14C aryl (at least one gp. = H); R8 = H, 1-22C alkyl or 6-14C aryl; R9 = H or Me, pref. H; m = 10-500; p = 1-100; X = OMe, OEt, or Cl; q = 0-17. Pref. component (A) has repeating units derived from (a) aromatic hydroxyacids (40-85 mol. %) (b) aromatic amino acids (0-40 mol. %), (c) diphenols (60-15 mol. %) (d) amino-phenols (0-25 mol. %), (e) aromatic dicarboxylic acids and opt. (f) carbonic acid or derivs. thereof. (B) is Al or an alloy of Al with Si, Cu, Mg, Li, and Ti, or Mg or a Mg/Al alloy, pref. Al alone. USE/ADVANTAGE - (I) are moulding materials which can be processed without expensive sintering procedures to give prods. with thermal conductivity higher than that of prior-art materials with the same amt. of metal. The prods. include heat exchangers, casings etc.
Patent DE-4200910-A1 (DE)
Inventor: HAUPT JOSEF
IPC: F16H41/30
Filed: 1992-01-16
Abstract: The automatic gearbox intended especially for motor vehicles has an internally toothed gear pump (2) to supply a hydrodynamic converter (3), a lubrication device and control and actuation devices of the automatic gearbox via a number of control channels (18, 20, 21). The internally toothed gear pump (2) is driven at the rotation speed of a drive motor. The control channels (18, 20, 21) are arranged in two channel planes separated by a separating plate (15). The automatic gearbox is also fitted with a device for charging the internally toothed gear pump (2) which may, for example, be a flow rate control valve.
Patent DE-4203278-A1 (DE)
Title: Prepn. of vinyl] polymers of low mol. wt.
Inventor: KEMPTER FRITZ ERDMANN DR
IPC: C08F2/00
Filed: 1992-02-06
Abstract: The continuous polymerisation of vinyl monomers by formation of vinyl polymers (I) with a mol. wt. of 1000-20,000 is claimed. The polymerisation is carried out at 110-270 deg. C in a ring slit (slit width 0.5-1.00 mm) that is bounded on the inner side by a rotor. Also claimed is the use of (I) as binding agents for paints, protective coatings, paper coating materials and printing inks. The reaction temp. is 150-270 deg. C and the polymer dispersivity (Mw/Mn) of (I) is less than 3.5. A portion of the volumetric flow is recirculated through the ring slit such that the recycle ratio of recirculated volumetric flow to throughput is 2-35. The rotor promotes reacton by thorough mixing and has a tangential avelocity of 0.5-2 m/s. The reaction is carried out in 0-40% of a solvent (w.r.t. monomer). The mixt. of monomers comprises 60-100 wt.% (meth)acrylic acid esters. Polymerisation initiator is added in a molar ratio of 0.0005:1 to 0.1:1 (w.r.t. monomer).
Patent DE-4206107-A1 (DE)
Title: Determining dry mass in fluids esp. milk - using freezing point and turbidity measurements
Inventor: SCHAEFER KONRAD DIPL ING
IPC: G01N25/04
Filed: 1992-02-27
Abstract: In a process to determine the dry mass of a fluid such as milk, the freezing point and turbidity are measured; the proportion of dissolved particles is derived from the freezing point measured, and the proportion of non-dissolved particles is derived from the turbidity, which together determine the dry mass calculated as present. The assembly comprises a freezing point determination unit (14) and a turbidity measuring unit (16) which are both linked to an electronic control and measurement device (18). USE/ADVANTAGE - The arrangement and assembly determine the dry mass contained in liquids, esp. milk. Large numbers of samples are measured and the results presented very quickly in a simple operation.
Patent DE-4211423-A1 (DE)
Title: Walking mechanism stabilisation using gyroscope principle - using electric motor as energy source for maintaining gyroscope rotation
Inventor: FUNKE MARTIN
IPC: G09B23/32
Filed: 1992-04-01
Abstract: The stabilisation of the walking mechanism allows the weight to remain balanced in each phase of the gait and employs a gyroscope (a) which is driven by an electric motor. Pref. the drive motor and the gyroscope are positioned centrally relative to the 2 walking legs, with the gyroscope positioned above the latter. ADVANTAGE - Simple maintenance of balance during walking movement.
Patent DE-4213950-A1 (DE)
Title: Goods vehicle with display area for mobile shop or market stall - has transverse support elements in form of extendable belts attached to central stanchion replacing conventional wooden slats
Inventor: SCHMITZ PETER DIPL ING
IPC: B60P7/08
Filed: 1992-04-28
Abstract: The vehicle can be covered by an awning (8) depending on the weather and has cross support elements in the form of flexible belts (5.1, 5.2, 5.3, 5.4). The belts are held at one end by a tensioning rod (4,4') which can be secured to a central stanchion (3). The belts are stretched by moving the tensioning rod towards the stanchion, and the rods are releasably secured in curved support pieces (6.1,6.2). The tensioning rod is round to allow the belts to be wound around it. ADVANTAGE - Uses flexible belts as load supports in place of wooden slats which are often lost or stolen.
Patent DE-4214691-A1 (DE)
Title: Multipart key with clamping cap - which is of different material and is located at grip end away from key shaft.
Inventor: MEIJER MARINUS
IPC: E05B19/26
Filed: 1992-05-02
Abstract: The key has a strong, steel shaft (1) and a grip (2) of different material. An impact clamping cap (3) of a third material is fitted to the grip end away from the shaft. Pref. the cap is T- or mushroom-shaped, whose stalk (4) extends into the grip and is there positively held by an arm formed on the shaft. The cap stalk has two restrictions (5). Edges (6) on the shaft and grip form a stop for the shaft extending into the grip. USE/ADVANTAGE - For furniture keys as impact protection, with pleasant appearance and damage protection.
Patent DE-4215887-A1 (DE)
Title: High-pressure washer for greasy automotive components - has closely-fitting coaxial cylinders surrounding turntable drive shaft geared down from water turbine in supply pipe
Inventor: SPORER ROBERT
IPC: F03B13/00
Filed: 1992-05-14
Abstract: The components are washed in a basket (7) rotated on a turntable (5) mounted on four rollers (6) set into the walls of a cylindrical housing (2). The upper and lower nozzles (21) are fed from a high-pressure pump. The turntable is driven by a vertical shaft (8) sealed within outer and inner cylindrical sleeves (24, 25) and a convex (pref. hemispherical) end wall (26). The shaft protrudes through a baseplate (13) and is terminated with a gear wheel (9) in mesh with a spur gear (10) coupled to a turbine rotor (11) in the pressurised water pipe. ADVANTAGE - Turntable drive is less liable to disturbance with its components sealed against contamination from dirty water under pressure.
Patent DE-4218420-A1 (DE)
Title: Recording and reproducing method for concentric or parallel track computer disc - using multiple heads in radial carriers permanently positioned above tracks
Inventor: BANNERT HANS-JUERGEN
IPC: G11B21/00
Filed: 1992-06-04
Abstract: A parallel track recording system for hard discs used as mass storage in computer system has multiple heads permanently positioned above the tracks. The heads are mounted in radial supports that can be spaced at 90, 120 or 180 degree intervals. The disc controller can generate signals to allow the heads to be switched on a track by track basis. The height of the heads above the disc is accurately controlled using a piezo regulating unit. ADVANTAGE - Eliminates head positioning time for rapid access.
Patent DE-4219262-A1 (DE)
Title: Off-the-road conversion for small dia. non-driven wheel - has outer grip ring secured via angled securing grips with radial fasteners
Inventor: HUBER THOMAS
IPC: B60B19/02
Filed: 1992-06-12
Abstract: The small dia. wheel (12) is changed for use over rough country by fitting an outer ring (18) secured by an angled grip ring (32) pulled axially into the recess in the outer ring. Axial grip fasteners (30) secure the fitting. The conversion is rapid and simple, the large ring is placed over the wheel, the angled grip ring slid into place and secured by three evenly spaced threaded fasteners. The converted wheel is easily dragged over the rough ground. USE/ADVANTAGE - Small dia. buggy wheels for child's pushchair may be rapidly converted to large dia. wheels, easy to move over rough ground.
Patent DE-4223580-A1 (DE)
Title: Snap switch spring arrangement for electrical switch - has partic. spring effect counteracting snap switch spring element matching spring strength of element
Inventor: VOELKER NORBERT
IPC: H01H13/26
Filed: 1992-07-17
Abstract: In the switch housing, a map switch spring element (1)-which can be brought into two functional positions- has two associated fixed contact sections. The snap switch spring element is brought into both functional positions by a movable operating member on the housing. One of the partic. spring effects counteracting the snap switch spring element matches the spring force of the element. In the first functional position there is a slightly lower spring force and in the second functional position there is a slightly higher spring force than the compensating spring (6). ADVANTAGE - Two resting functional positions are realised for snap switch spring element without requiring additional mechanical resting elements.
Patent DE-4226405-A1 (DE)
Inventor: HES WILHELM
IPC: E02D17/08
Filed: 1992-08-10
Abstract: A timbering device has large-surface timbering panels (2, 4) supported against pairs of opposite vertical stays (1, 3) spaced apart by at least one bracing frame (5). The stays (1, 3), whose cross-section is C-shaped, have legs (16, 16') that project from their side walls (15, 15'), are bent parallel to the base wall (12) and are oriented towards each other, leaving a large intermediate gap. The bracing frame (5) is vertically movable in the stays (1, 3). Rollers for transmitting compressive forces roll on the base wall (12) of the stays (1, 3) and rollers (17, 17') for transmitting the tensile forces of the bracing frame (5) roll on the inner side of both legs (16, 16') of a stay (1, 3). In order to reduce material and mounting expenditure, the rollers (11, 11') for transmitting compressive forces and the rollers (17, 17') for transmitting tensile forces are arranged on common axes (10). The rollers (11, 11') for transmitting compressive forces are arranged in the gap between the legs (16, 16') of a stay (1, 3) and their diameter is larger than the distance between these legs (16, 16') and the base wall (12). The rollers (17, 17') for transmitting tensile forces have a smaller diameter and are arranged at the outward sides of the rollers (11, 11') for transmitting compressive forces.
Patent DE-4230912-A1 (DE)
Inventor: SIEGLE GERT PROF DIPL PHYS DR
IPC: H03J1/00
Filed: 1992-09-16
Abstract: Proposed is a method of inputting alphanumeric data into an electronic device, the data being keyed in using an ordinary numeric keypad. A search is carried out in a memory for corresponding letter/number combinations, each number corresponding to a maximum of three letters, and the data found is displayed. The invention makes it possible to use a numeric keypad to key alphanumeric as well as numeric data into a device.
Patent DE-4231833-A1 (DE)
Title: Alkyl and/or alkenyl poly:glucoside prod. - by acid-catalysed reaction of fatty alcohol with sugar in falling-film reactor
Inventor: WEUTHEN MANFRED DR
IPC: C07H15/10
Filed: 1992-09-23
Abstract: Prodn. of alkyl and/or alkenyl oligoglycosides (I) is effected by acid-catalysed acetalisation of fatty alcohols with sugars in a falling-film reactor. The reaction is carried out at 145-160 deg. C and 1-50 mbar in a thin-film evaporator under turbulent flow conditions. USE/ADVANTAGE - (I) are useful as nonionic surfactants. Light-coloured prods. with a low polyglycose content are obtained. Hydrated sugars and starch hydrolysates can be used as starting material.
Patent DE-4232849-A1 (DE)
Title: Simple three=dimensional measurement machine - has X, Y and Z axis elements and associated sliders, measurement element carrier and Z-axis element weight compensation device
Inventor: MATSUMIYA SADAYUKI
IPC: G01B5/008
Filed: 1992-09-30
Abstract: The three-dimensional measurement machine contains X, Y and Z axis elements with associated sliding devices. The Y slider is rotationally adjustable w.r.t. the X axis element and the Z slider w.r.t. the Y axis element. The Z axis element, which can slide freely in the vertical direction, carries a measurement element on its lower end. A compensation device with a compensation force w.r.t. the weight of the Z axis element is connected to it and supported by a body mounted on the Z slider. ADVANTAGE - Can be easily transported to a measurement location and assembled.