baber/WOPTO huggingface dataset:
Patent DE-3918119-A1 (DE)
Title: Operating arrangement for linear motor(s) esp. for dispenser - contains controller acting as pump or drive motor depending on line pressure w.r.t. working pressure
Inventor: ITTERMANN ALFONS
IPC: F15B1/02
Filed: 1989-06-02
Abstract: A linear motor is connected via a hydrostatic machine (4) to a pressure line supplied by a pressure source.  A controller (5) acting as a pump feeds a working medium from a tank to the line when the line pressure exceeds the working pressuree and drives the machine when it is less. Starting from max. reservoir (3) pressure, the controller is driven by a motor (6) to load the reservoir.  The machine (4) is then driven until the reservoir pressure is reduced to a lower limit. ADVANTAGE - Simplified and made more efficient.
Patent DE-3918287-A1 (DE)
Inventor: SCHUMACHER HANS DR
IPC: A01P13/00
Filed: 1989-06-05
Abstract: Combinations comprising 3-(4,6-dimethoxy-2-pyrimidinyl)-1-[(N- methyl-N-methylsulphonyl)aminosulphonyl]urea (I) and a phenylurea (II) are valuable herbicides having synergistic properties.
Patent DE-3920928-A1 (DE)
Title: Polyether-poly:amine prods. with terminal amino gps. - are prepd. by reacting poly:tetra:hydro-furan with poly:isocyanate then hydrolysing prod.
Inventor: SCHAPER HERBERT DIPL CHEM DR
IPC: C08G18/50
Filed: 1989-06-27
Abstract: Polyether polyamines (I) with terminal aliphatic or aromatic amino gps. are prepd. by (1) reacting a polytetrahydrofuran (II) with a polyisocyanate (III), (2) hydrolysing prod. Pref. (II) has mol. wt. 500-3000, partic. 1700-2300. (III) is a di-isocyanate. USE/ADVANTAGE - Intermediates for polyurethane-polyurea moulding prods. (IV). EP application 89101384.9 describes prepn. of (IV) by reaction-injection moulding mixt. of (II) and polyether polyamine with a (III), addn. of (II) resulting in (IV) having improved cold flexibility without sacrificing good heat resistance; in present process, (I) are prepd. directly from (II) and (III).
Patent DE-3921842-A1 (DE)
Title: Clutch release bearing
Inventor: GALIA PAVEL DIPL ING
IPC: F16D23/14
Filed: 1989-07-03
Abstract: The subject-matter of the invention is a clutch-release bearing with a single-row ball bearing and a guide bush (1). The inner race (3) is extended in the axial direction and carries a thrust ring (16) which interacts with the diaphragm spring (15) of the clutch. The outer race (4) has two opposite cut-outs (7). The guide bush (1a) is provided with two opposing projections (2) which reach through the cut-outs (7) in the outer race (4). In the direction of the releasing force, the guide bush (1) is supported on a retaining ring (9) which is mounted in the outer bearing race (4). <IMAGE>
Patent DE-3923750-A1 (DE)
Title: Nematic liq. crystalline medium with positive dielectric anisotropy - contg. achiral cpds. and chiral dopant giving very wide thickness pitch window
Inventor: PLACH HERBERT DR
IPC: C09K19/58
Filed: 1989-07-18
Abstract: Nematic liq. crystalline (LC) meidum with positive dielectric anisotropy contains achiral LC cpd(s). (I) and chiral dopant(s) (II) such that the quotient: (DE/Ev)/(K3K1) of the ratio of the dielectric constant, delta epsilon = epsilon(parallel-epsilon(perpendicular) (DE = Ep - Ev), and the dielectric constant epsilon(perpendicular)(Ev), perpendicular to the direction of the nematic director and the ratio of the elastic constants, K3 and K1, for bending and stretching is 1.8 or more for the medium, so that as large a d/p window as possible and/or as large a size for (d/p)max as possible is obtd. when the medium is used in a test cell suitable for determn. of the d/p window delta (d/p). USE - the medium is claimed for use in an STN display.
Patent DE-3928615-A1 (DE)
Title: Sample extraction needle sensor locating liq. surface - has light source with light conductor and two detectors with associated light conductors in needle holder
Inventor: MOLLENHAUER OLAF DIPL ING
IPC: G01N35/10
Filed: 1989-08-30
Abstract: The sensor contains a light source (4), a light detector (8) and light conductors (5,6) on the transmission and detector sides.  A second light detector (9) and associated light conductor (7) are provided.  The detector light conductors are arranged at different distances from the transmission light conductor in the needle holder and have light input surfaces of different sizes. The detector light conductor with the smaller light entry surface is mounted nearer to the transmission light conductor. USE/ADVANTAGE - Sample extraction needles of specimen dosing and distribution equipment for analytical measurement using all types of specimen liquids.  Increased accuracy of detection of the liq. surface position, prevents additional delays from being caused by sensor.
Patent DE-3929175-A1 (DE)
Title: Power assisted vehicle steering with variable damping - has combined vehicle speed and steering rate sensors providing optimum damping of driver feedback
Inventor: BISCHOF HUBERT DR ING DR
IPC: B62D6/00
Filed: 1989-09-02
Abstract: A hydraulic servosystem (1) for the power assisted steering of a vehicle operates via a hydraulic control valve (6) mechanically connected by coupling (8) to the steering column (L) and permits a reactive feedback to the driver which is subject to variable damping. A damping factor related to  the angular velocity of the column (L) during steering and to vehicle speed as measured by sensors (44,50) respectively is derived. Sensor (44,50) output signals are processed by computer (43,52) in conformity with a family of vehicle related response characteristics or a suitable computer algorithm and fed to damping regulator (47,48) to ensure optimum response. USE/ADVANTAGE - Promotes realistic and safe sense of feel to driver under all conditions of road surface from standstill to max. speed as result of dynamic sensing of intended rate of change of direction. Can be preset to suit vehicle type and condition.
Patent DE-3929761-A1 (DE)
Title: Wall-cladding component made of aluminium sheet - has fine-grain stone chips embedded in protective paint coating
Inventor: HEINEMANN HERBERT
IPC: E04F13/14
Filed: 1989-09-07
Abstract: The cladding component is made of caluminium sheet (1).  It is for a building wall or facade; it has a visible surface (3) extending over the greater part of the outside, and which is coated with protective material. The latter is formed by paint (4), in which particles of fine-granular stone (5, 6) are embedded. Their mean particle size can be at least twice the thickness of the coat of paint, so that they protrude from the latter. USE/ADVANTAGE - Aluminium sheet for covering building gives max. weatherproofing, and closely resembles wall plaster.
Patent DE-3929924-A1 (DE)
Title: Sheet-metal loading platform - tapers to its outer edge and has outer edge formed as rounded lip by folding, bevelling and rolling
IPC: B65G69/28
Filed: 1989-09-08
Abstract: The loading platform, esp. for transporter vehicles, is made from sheet metal and tapers in wedge-form to its outer edge (16). The outer edge is formed as a rounded lip (38) by folding, bevelling and/or rolling of one of the sheet metal parts (30) that make up the platform. Pref. the lip is integral with a metal sheet, which forms the lower and a small section of the upper wedge surfaces of the platform. USE/ADVANTAGE - Cheaper, more stable construction with improved outward appearance.
Patent DE-3939939-A1 (DE)
Title: Pulse generator - has magnetic material disc that rotates and is detected by Reed switch sensor
Inventor: BENDA FRANZ
IPC: H01H19/00
Filed: 1989-12-02
Abstract: The pulse generator has a disc (1) that is rotated about an axis (2). Located adjacent to the disc is a magnetic field sensor (3), e.g. a reed switch sensor. Positioned between the sensor and the edge of the disc is a plate (5) of iron. As the plate is moved further into the gap between the sensor and disc, the magnetic field varies to adjust the operating point of the reed switch. ADVANTAGE - Allows compensation of magnetic field.
Patent DE-3940736-A1 (DE)
Inventor: MUELLER ALFRED
IPC: B21B1/18
Filed: 1989-12-09
Abstract: In a high-performance bar or wire rolling mill, especially for the single-strand twist-free rolling of rolling stock, with a roughing train 1 having in each case a plurality of roll stands or roll units, at least one intermediate train 2 and an adjoining finishing train 3 with a subsequent finishing block 4 if required, it is proposed that roll changing be carried out in accordance with the minimised sequence of passes in each mill section, the changing of the rolls in the roughing train 1 being carried out with crane tools 15, in the intermediate train 2 with manipulators 16 and in the finishing train 3 by means of rapid-change devices 17 and in addition by means of manipulators 16 if required, all the roll stands or roll units in the individual mill sections 1 to 4 having removable rolls 18, 31, 32, 46 in floating mounts in order to increase the availability and output of the rolling mill. 
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Patent DE-3943093-A1 (DE)
Title: Controlling the flatness of rolled sheet - using a signal to control various devices acting to change the shape and condition of the work rolls
Inventor: SAKAI TOSHIO
IPC: B21B37/32
Filed: 1989-12-27
Abstract: The flatness of strip passing through a rolling mill is controlled by measuring the  flatness over the width of the strip and producing a signal which is analysed into several index values such as deviation of relative expansion differences and restricted roll curvature index which can each activate a control device to change the shape or condition of a work or back-up roll. ADVANTAGE - By changing the shape or condition of the rolls the flatness can be controlled without complicated calculations.
Patent DE-3943125-A1 (DE)
Title: Hand operated rotary lawn mower - has extra side-cutter for simultaneously cutting mother strip
Inventor: RICHTER WERNER DIPL ING
IPC: A01D43/16
Filed: 1989-12-28
Abstract: The hand-operated motor-driven rotary lawnmower (10) on wheels with a side-cutter (30) has a front wheel (16) arranged in its middle vertical longitudinal plane and free spaces (24, 26) open forwards and to the outside are formed on both sides beside the front wheel (16), between it and the lateral vertical demarcation planes of the lawnmower (10). The rotary path of the blade-unit (32) of the side-cutter (30) extends into these open spaces (24, 26). USE/ADVANTAGE - The lawnmower cuts one strip of grass and simultaneously cuts another strip beside it, with a removable side-cutter.
Patent DE-4007638-A1 (DE)
Inventor: SCHOENROCK UWE DR
IPC: C11D1/10
Filed: 1990-03-10
Abstract: A cleansing agent, preferably for cosmetic purposes, contains 2 - 10 wt.% of one of more amidoamine amphoteric tensides, 0.5 - 15 wt.% of one or more sulphoacetate tensides and possibly one or more of tensides from the groups of sulphosuccinates of general formula (I), betaines of general formula RR'R''N<+>(CH2)m-(CYZ)-COO<->, sulphobetaines of general formula RR'R''N<+>(CH2)m-(CYZ)-SO3, amidosulphobetaines of general formula (II), sarcosinates of general formula M<+->OOC-CH2-N(CH3)-COR, and ethoxylated alcohol carboxylates of general formula R-(O-CH2-CH2)n-O-CH2-COO<->M<+> where: R is a saturated hydrocarbon group with 6 - 25 C atoms; R',R'' and R''' are chosen independently from each other from the group H, -CH2-CH2-OH, -(CH2)2COO<->M<+>; X is H or -(CH2)2COO<->M<+>; M<+> is a cation from the group H<+>, Na<+>, K<+>, NH4<+>, HmN<+>(-CH2-CH2-OH)4-m, HmN<+>(-CH2-CH3)4-m or HmN<+>(CH3)4-m; n is a number from 1 to 5; m is 0, 1, 2 or 3.
Patent DE-4011787-A1 (DE)
Title: Door for driver's cab - is fitted on heavy goods vehicle and has hinges with hinge axis forward of door edge
Inventor: RAPP HELMUT
IPC: B60R1/06
Filed: 1990-04-12
Abstract: The heavy goods vehicle has a driver's cab (2) with a side door (1). The cab doorway is above the front wheel arch (3) and partly ahead of the wheel arch (3). Access to the cab is by means of steps (5) which are positioned in front of the wheel arch. The door (1) is attached to the cab by hinges with vertical axes. These hinges are so designed that the hinge axis is at a distance in front of the edge of the door to which the hinges are attached. When the door is fully open this design of hinge provides unobstructed access to the cab. USE - Driver's cab for heavy goods vehicles.
Patent DE-4012344-A1 (DE)
Title: TV signal recording system coping with letter-box format - uses notch filter adjusted via code mode for additional signals
Inventor: PLANTHOLT MARTIN DR ING
IPC: H04N9/83
Filed: 1990-04-18
Abstract: The recording system has at least one luminance channel and at least one chrominance channel for t.v. signals with inserted information. The code mode of thee latter is used for adjustment of a notch filter (37) used for processing the additional information. Pref., the latter is used for modulation of the colour carrier recorded in the luminance recording channel. USE - Video recorder recording additional information so that letter-box high resolution formal can be reproduced in traditional t.v. set.
Patent DE-4013336-A1 (DE)
Title: Vulcanisable rubber blend
Inventor: ENGELS HANS-WILHELM DIPL CHEM
IPC: C08K5/47
Filed: 1990-04-26
Abstract: Vulcanisable compsn. based on rubber contg. few C=C double bonds contains 1-2 phr S, 1-5 phr di-1-6 C alkoxythiophosphoryl trisulphide (PS-3) and 0.5-5 phr (substd.) Zn dibenzyldithiocarbamate (IA), (substd.) dibenzyldithiocarbamyl disulphide (IB) and/or (substd.) 2-ethanolammonium  benzothiazolyl-2-mercaptide (IC). In the formulae R, R1 and R2 are H, 1-3C alkyl or phenyl.
Patent DE-4023053-A1 (DE)
Inventor: HASENCLEVER KASPAR D
IPC: D06F35/00
Filed: 1990-07-20
Abstract: A method for the cleaning of textiles, especially of outer garments, with a prewashing bath, a main washing bath and a rinsing bath in a drum rotating in a drum housing and having liquid passages in the drum casing, the drum having alternately running times and standstill intervals, is characterised in that the standstill intervals amount to 20 to 80 seconds and between the standstill intervals the drum executes respectively 2 to 5 revolutions, in that the rotational speed of the drum generates a centrifugal force of 0.8 to 0.9 G and in that the drum used has an inside diameter of 60 to 120 cm.
Patent DE-4023995-A1 (DE)
Title: Purifying fresh and recirculated air in vehicle using photocatalyst - based on semiconductor in fixed stationary bed irradiated with UV light
Inventor: OESTE FRANZ D
IPC: B60H3/00
Filed: 1990-07-28
Abstract: Fresh air and interior air purificn. in vehicles is carried out with a semiconductor-based photocatalsyt (I) irradiated with photons. The novelty is that the air is passed over a catalyst (combination), which is in a fixed stationary bed and irradiated with radiation in the 300-400 nm range. Zeolites may be used in adsorbent coatings on a catalyst support. Pref. (I) contains Pt-gp. metal(s) as co-catalyst (II). (I) is placed on a support (III) which adsorbs all or pt. of the impurities sepd. from the fresh air. (III) pref. consists of metal wire or strip; expanded metal; or Al2O3, ceramic, SiC and/or (activated) carbon fibres. The radiation source and (I) bed are moved relative to one another continuously or periodically.  (III) may also have an adsorbent coating, e.g. of SiO2, zeolites, Al2O3 gel and/or activated carbon; or flocked with short fibres, pref. adsorbent materials with a large surface area, e.g. activated carbon, adsorbent resins, aerogel flakes and/or C black, using a physically and/or chemically hardening binder. ADVANTAGE - Unlike fluidised beds, (I) is effective even when the motion of the vehicle is irregular.
Patent DE-4028844-A1 (DE)
Title: Thermosetting resin with improved heat stability - contg. maleic imide cpd. and silicon cpd.
Inventor: SHIOBARA TOSHIO
IPC: C08F20/52
Filed: 1990-09-11
Abstract: Thermosetting resin (I) compsn. is claimed. The novelty is that it contains an admixture of: (a) a maleic imide cpd. with at least one N-substd. maleic imide gp. in the mole; (b) a silicon cpd. with conjugated double bonds. The hardened prod. is also claimed.
Patent DE-4029013-A1 (DE)
Inventor: HARDER JUERGEN ING GRAD
IPC: G01N3/28
Filed: 1990-09-13
Abstract: The invention relates to a measuring method to determine elongation after fracture on a tensile testpiece in a computer controlled tensile test. To meet the requirements of the tensile test to DIN EN 10002/1, the measuring grid known from DIN EN 10002/1 is applied to the tensile testpiece. The measuring grid is scanned with a line sensing camera. In the tensile test the elongation of the testpiece is determined when the tensile force has exceeded its maximum and drops to zero. That place for which the computer with the CCD camera detects the greatest distance between adjacent grid lines is utilized to calculate the elongation after fracture to DIN EN 10002/1.
Patent DE-4030985-A1 (DE)
Title: Converting sinusoidal position measurement signals - generating staircase signal with sensor signal dependent amplitude with frequency dependent on carrier frequency
Inventor: SCHLEICHER SIEGFRIED DR ING
IPC: G01B11/03
Filed: 1990-10-01
Abstract: A method of converting sinusoidal sensor signals of a high resolution position measurement system for greater object speeds involves generating a staircase sinusoidal signal with amplitude dependent on the sensor signal and frequency dependent on a carrier frequency. Product signals formed in modulation branches are combined to form a position signal whose phase w.r.t. the carrier signal represents the position. Each partial signal formed by a divider circuit is actively switched in parallel using actively switched tapping switches whoses actively switched partial signals are added to the modulation branch product signal. USE/ADVANTAGE - Enables conversion of sinusoidal position measurement signals for high object speeds without temp. and speed dependent position measurement errors.
Patent DE-4033461-A1 (DE)
Inventor: GOTTWALD GUENTER
IPC: B29C48/10
Filed: 1990-10-20
Abstract: A cooling apparatus 11 is provided for cooling air of a blow extruder for a plastics parison in which a fan 14 feeds ambient air to a cooling-air die ring 8, the cooling apparatus 11 being provided in the feed path of the fan 14 and controllable with regard to the temperature of the cooling air. It is desired here for constant conditions of the cooling air to be ensured in an improved way and for lower temperatures of the cooling air to be made possible in a simple way. This is achieved by the cooling apparatus 11 being arranged between the fan 14 and the cooling-air die ring 8, by the said apparatus being a direct evaporator 11 and by the direct evaporator 11 being provided with a control device 17 for automatically controlling to a set 18 constant temperature, measured 19 upon entry into the cooling-air die ring 8. By virtue of the highly constant temperature of the cooling air, the extruded plastics parison can be delivered faster and increases in output of about 10 % can be achieved. 
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Patent DE-4035652-A1 (DE)
Title: Collapsible garden chair - has hinged leg rest folding away beneath chair seat when not required
Inventor: NEUBERT WALTER
IPC: A47C1/14
Filed: 1990-11-09
Abstract: The collapsible garden chair has a horizontally aligned seat with hinged backrest and two arm rests which can engage with the chair legs in various angular positions of the backrest. On the underneath of the seat (2) there are two parallel guide paths which run at right angles away from the backrest (7). A foot rest (11) is mounted displaceable in the guide paths and is connected hinged at its front end remote from the seat (2) to the support feet (12) so that after the support feet have been folded against the foot rest the latter can be slid together with the support feet completely underneath the seat. ADVANTAGE - The foot rest is stored out of sight underneath the seat surface or can be pulled out to form a lounger.
Patent DE-4035874-A1 (DE)
Title: Underground-mine walling ram - has head forming safety-valve-spring housing with outlet in wall or top
Inventor: VOSS RICHARD
IPC: E21D15/51
Filed: 1990-11-12
Abstract: The walling ram is particularly for underground mine galleries, having a spring-loaded safety-valve plunger with seal in the head. The head forms the spring housing, with an outlet in its wall or top end plate. The bore accommodating the plunger is in the cover plate separating the head from the hydraulic chamber, and contains a low-friction seal in which the plunger works. The seal can have a Shore D hardness of between 50 and 90, being preferably of TMF1600 Teflon plastic. ADVANTAGE - Allows fluid flow rate of above 1000 litres per minute.
Patent DE-4038336-A1 (DE)
Title: Bus=bar installation equipment with stepped slider and bolt - fitted into housing so that bus-bar is held against step corresp. to size
Inventor: WAGENER HANS
IPC: H02B1/21
Filed: 1990-12-01
Abstract: Busbars of different rectangular cross-sections are accommodated by a number of steps (22-25) formed on the underside of the slider (20) which is inserted into an opening in the housing, to a depth corresp. to the vertical dimension of the bus-bar. A central slot (35) in the top of the slider (20) receives the bolt (40) which is secured by rotation causing an eccentric lug (42) to enter a groove (37) near the end of the slot (35). ADVANTAGE - Locking element occupying min. space is positively fixed so that equipment cannot be pulled away from bus-bars.
Patent DE-4040198-A1 (DE)
Title: Measurement bearing with inner and outer rings connected elastically  via web - has web displacement sensor suitable for finishing machine
Inventor: BUSCH WILHELM
IPC: G01L5/00
Filed: 1990-12-15
Abstract: A measurement bearing contains a roller bearing (2) in a housing (1) consisting of an inner ring (3) which directly holds the roller bearing and an outer ring (4) attached to the machine frame. The inner and outer rings are elastically connected via a web (5). A displacement transducer (7) is arranged between the inner and outer rings and opposite the connecting web. The inner ring has an approximately radial edge (12) on its side opposite the web. The displacement transducer (7) is built into the outer ring at the edge (12) position. USE/ADVANTAGE - Displacement of web is measured using low-cost transducers, e.g. inductive displacement sensors, sufficiently accurately for finishing machine.
Patent DE-4041723-A1 (DE)
Inventor: THIEDIG ULLRICH DIPL ING
IPC: G01C15/00
Filed: 1990-12-24
Abstract: To determine the position of a measurement point with respect to a reference point, in particular for control and/or monitoring of penetration of a well, using at least two cameras (4, 6, 7, 8) and at least two sighting marks (5), by analyzing the picture content of the cameras (4, 6, 7, 8), the sighting marks (5) are arraned in a fixed spatial relationship to each camera (4, 6, 7, 8) and have a defined geometrical structure. The cameras (4, 6, 7, 8) are arranged so that they are mutually positioned in twos in the field of view.
Patent DE-4100350-A1 (DE)
Title: Barrier packaging material for infusion solns. - has co-extruded ethylene] vinyl] alcohol base layer between layers of polyethylene@ and polyethylene-EVA copolymer
Inventor: KOTANI TAKAYUKI
IPC: B32B27/00
Filed: 1991-01-08
Abstract: A barrier packaging material (I) for infusion solns. (II) comprises a base material (2), and combinations of a polyethylene (PE) layer (3) and an ethylene-vinyl acetate (EVAC) copolymer layer (4) which are extrusion-laminated successively onto both sides of (2); (2) is a co-extruded film consisting of a layer (2a) of ethylene-vinyl alcohol copolymer (EVAL) (III) between two layers (2b) of polyethylene (PE). Layer (2a) is 5-30 microns thick and (2b) is 5-60 microns thick; layer (3) IS 5-40 microns thick, and layer (4) is 50-120 microns thick and has vinyl acetate (VA) content 15-20 wt.%; pref., (2b) consists of linear LDPE. USE/ADVANTAGE - Provides a packaging material for various types of infusion solns., with excellent barrier properties (esp. w.r.t. oxygen permeability) and softness, etc.; (I) can be embossed to prevent sticking, does not require solvent for laminating, and does not give off toxic Cl-contg. gas when incinerated or become discoloured when gamma-sterilised (contrast PVC and PVDC).