baber/WOPTO huggingface dataset:
Patent DE-4009662-A1 (DE)
Title: Reinforcing and process fibres based on plant fibres and prodn.
Inventor: SPEHNER JEAN LEON
IPC: B29C70/10
Filed: 1990-03-26
Abstract: Reinforcing and/or process fibres (I) based on plant fibres (II) are obtd. by treating delignified (II) with an aq. soln.  contg. metal cpd(s). (II) I), i.e. (hydro)oxide(s), carbonate(s), (thio)sulphate(s), sulphite(s), silicate(s) and/or phosphate(s), then washing and treating with an (in)organic binder (IV) or neutralising the unwashed fibres with a mineral acid; or by treating delignified (II) with an oxidant (V); or carbonising untreated (II) at 250-350 deg.C under a controlled air supply.  Pref. (II) are flax, jute, unbleached cotton, hemp, cotton or sisal fibres. (III) are alkali(ne earth) (hydr)-oxides, carbonates or (thio)sulphates or basic Fe, Ti, Sb or Al salts; pred. NaOH, KOH, Na2SiO3 or Na2S2O3. (II) are treated with a 1-30, (10-30) (wt.)% aq. (III) soln., pref. at 50-100 deg.C. Delignified (II) pref. are bleached with peroxide, hypochlorite or chlorine water before treatment with the (III) soln. (IV) is cemnt, plaster of Paris, silicates, bitumen, asphalt, natural or synthetic elastomers, polyurethanes, phenolic resins, resols, melamine resins, epoxy resins or mists. of these and is used in an amt. of 5-20% w.r.t. (I). (V) is alkali metal periodate, persulphate or permanganate, esp. KMnO4 and oxidn.  is carried out at 75-95 deg.C (II) may also be finished with a flam retardant, lubricant and/or preservative finish. (II) obtd. by pyrolysis are impregnated with a resin, natural or synthetic rubber or elastomer.
Patent DE-4012043-A1 (DE)
Title: Reading data following lamp failure in scanner - using multiple lamps and monitor devices in conjunction with calibration marks
Inventor: HUPKA ROLF
IPC: H04N1/407
Filed: 1990-04-11
Abstract: The scanning equipment comprises rotating drum/cylinder, with information (7) to be scanned, and timing/calibration marks (C,D,E), illuminated by a number of lamps (L1 ... Ln) and lenses to focus light at a point to be scanned by device (1). Devices (3) monitor lamps (L1 ... Ln). In particular, when the monitoring device (3) detects a lamp failure, a signal is sent to record time in a buffer memory. Recalibration of the equipment is then possible when calibration marks (C,D,E) with white and black regions, are re-read by the scanner. USE/ADVANTAGE - Document scanning equipment. Avoids loss of information following lamp failure.
Patent DE-4022348-A1 (DE)
Title: Wood prods. mfr. esp. chipboard, with improved strength - by addn. of anthraquinone or anthraquinone mono:sulphonate before, during or after gluing with alkaline phenol] formaldehyde] resin
Inventor: ROFFAEL EDMONE PROF DR
IPC: C08K5/42
Filed: 1990-07-13
Abstract: Prodn. from comminuted wood prods. (II) with alkaline PF resin binders (III); comprises adding anthraquinone or anthraquinone monosulphonate (IV) to (II) before during or after glueing with (III). Pref. amt. of (IV) is 0.01-5 (0.01-2) wt.% w.r.t. (II); (III) contains 3-15% alkali (w.r.t. a 50% glue bath), and is opt. modified with resorcinol, tannins or sulphite liq.; (IV) is only added to the wood chips in middle- or outer-layer of a chipboard which is bonded right through with (III); in multilayer boards in which the layers are bonded with different binders, (IV) is added to the layers bonded with (III); (IV) is added to the wood chips, or to the resin, before, during or after condensn. of phenol with formaldehyde. USE/ADVANTAGE - Addn. of (IV) gives (I) with increased strength and reduced thickness swell, without increasing binder- or alkali-content of the resin.
Patent DE-4022916-A1 (DE)
Title: Sealing concrete pipeline joint from inside - compresses deformable annular sealing element prior to inserting into pipe and joint
Inventor: BAUR FRITZ
IPC: F16L55/163
Filed: 1990-07-19
Abstract: The concrete pipeline is formed from abutting sections of concrete pipes (2,3) with the joints sealed from inside by annular elements. The latter are supported on a segmented ring which is mounted on a trolley (9). The trolley is inserted into the pipe and pushed along the pipeline until the sealing ring lies in the plane of the gap (7). The segments of the support ring are then forced radially outwards by a driving mechanism mounted on the trolley so that the sealing ring is pressed into the gap.
Patent DE-4027463-A1 (DE)
Title: Paint stripper compsn. for removing lacquers and emulsion paints - comprises polar and non-polar solvents and thickening agent comprising inorganic structuring agent and paraffin and wax dispersion
Inventor: MEYER MATTHIAS
IPC: C09D9/00
Filed: 1990-08-30
Abstract: Paint stripper compsn. comprises (i) 2-40 % non-polar solvents such as benzene derivs., aliphatic and/or naphthenic hydrocarbons, (ii) 10-90 % polar solvents such as chlorohydrocarbon-free esters, ketones, glycols, alcohols, glycol ethers and glycol esters and (iii) 1-25 % of a thickening agent comprising a mixt. of an inorganic structuring agent such as bentonite, micronised clays, perlite or finely dispersed silicic acid and a paraffin/wax dispersion. The compsn. opt. contain up to 1.5% of a cellulose ether to further increase the newtonian viscosity of the compsn.: 0.1 - 3 % of an anionic, cationic and/or nonionic surfactant to facilitate washing off of the stripped paint; and up to 12 % water to improve the hydrophilic properties of the compsn. USE/ADVANTAGE - The combination thickening agent gives strong stable thickening of the compsn. whilst allowing easy application to the paint to be stripped, and gives a gel which is resistant to breakdown and phase sepn. in use. (2pp)
Patent DE-4029934-A1 (DE)
Title: Appts. for combination artificial silk yarn mfr. - has feed cylinder for polyurethane filaments directly at delivery of polyamide filaments
Inventor: NESSMANN WERNER DIPL ING
IPC: D02G3/32
Filed: 1990-09-21
Abstract: The appts. to produce a combination yarn from artificial silk filaments of polyurethane and polyamide has a feed cylinder for the polyurethane filaments directly at the delivery unit for the polyamide filaments. The polyurethane material is force key bonded at the feed cylinder. Pref. different drafting effects are obtd. by using feed cylinders of different diameters. The cylinders of different diameters are located at various workstations of the machine assembly to give a variety of combined artifical silk yarns on the same basic appts.. ADVANTAGE - The appts. can be applied to conventional equipments, with a simple attachment, to produce combination yarns.
Patent DE-4030037-A1 (DE)
Title: Vehicle shock absorber with two pipes moving inside each other -  has gas compartment, separating piston, liq. compartment, piston and annular gaps
Inventor: BONENBERGER HARTMUT
IPC: F16F9/06
Filed: 1990-09-22
Abstract: The vehicle shock absorber has two pipes (1,15) which move inside each other incorporates a gas-compartment (3) contg. a high-pressure gas pad beginning at the base (2) of the inner pipe (1). The inner pipe (1) contains a separating piston (4). A first liquid-compartment (6) has an axially movable piston (9) on which pressure is exerted so that another compartment (14) is formed between the separating piston (4) and the piston (9). - The control has an axially moving operating piston (12) which, together with the inner pipe (1) forms an annular space joined to the control. Near the control attachment (10) the piston (9) forms an annular space (16) together with the inner pipe (1).
Patent DE-4038391-A1 (DE)
Inventor: WILSBERG HEINZ-MANFRED
IPC: C11D3/39
Filed: 1990-12-01
Abstract: By the use of compounds separating acetic acid in hydrolysis conditions, preferably from the group of N- or O-acetylised substances, it is possible to stabilise powdered percarbonate very effectively against the loss of active oxygen, especially in bleaching, washing, cleaning and disinfecting agents.
Patent DE-4038608-A1 (DE)
Inventor: MAHLER ULRIKE DR
IPC: A23L29/00
Filed: 1990-12-04
Abstract: In the food industry and in fermentation processes, interfering foams occur at various stages of processing or production. These foams have to be controlled or prevented. Described are reaction mixtures containing ester polyols, the reaction mixtures being produced by a ring-opening reaction between epoxidized carboxylic-acid esters and carboxylic acids and/or alcohols. The reaction mixtures are used as foam-inhibitors in the processing and/or production of foods, as well as in fermentation processes.
Patent DE-4040726-A1 (DE)
Title: Investigation of particle patterns formed - by immunological reaction executing optical pattern measurement permeation of pattern boundary data and evaluation of variation characterise
Inventor: WATANABE HARUHISA
IPC: G01N33/543
Filed: 1990-12-19
Abstract: The investigating method involves optically measuring the pattern formed by immunological agglutination reaction on the bottom surface of a reaction vessel to obtain a first set of pattern measurement data. A second data set related to the pattern boundary is derived from the first set to obtain a boundary variation characteric. Observation is made of whether the particle pattern in the reaction vessel is agglutinated or not based on the boundary variation characteristic. USE/ADVANTAGE - Accurate determination of whether particle pattern is agglutinated or not when agglutination forces are very weak.
Patent DE-4105246-A1 (DE)
Title: Vehicle with battery-supplied electric drive - has individual suspension for rear wheels and component with at least one wheel fitted between rear wheels taking battery wt.
Inventor: SALZMANN HEINRICH
IPC: B60K1/04
Filed: 1991-02-20
Abstract: The component(10) carrying the batteries(12) is mechanically secured to the vehicle. The component at its front section is mechanically secured with the bodywork floor(14) of the vehicle. The component at its rear section is connected to the chassis of the vehicle. The component has a box shaped closed container (15) which accommodates the batteries. The wheels (11) of the component are arranged respectively longside the container. ADVANTAGE - Justifiable cost with conversion of vehicle with IC engine, and compared with IC engine vehicle gives comparatively high useful load carrying.
Patent DE-4106258-A1 (DE)
Title: Air resistance compensation drive for vehicle - has propeller wheel connected to bevel gear and flap controlled air ducts
Inventor: TATZEL FRANZ
IPC: B60K16/00
Filed: 1991-02-28
Abstract: Air resistance compensation drive for a vehicle in which a horizontal propeller wheel (1) is driven by ram air passing through air conduction channels (12, 13, 14), with the axis of the propeller wheel in engagement with the plate gear (11) of a compensation drive by means of a bevel gear (10). A flap (16) is provided at the cross-over point of the X-shaped air conduction channels which closes channel (12) and opens channel (13) when the vehicle brakes and so slows the propeller wheel. ADVANTAGE - Air resistance compensation drive which can be controlled to give extra forward thrust to a vehicle.
Patent DE-4108018-A1 (DE)
Title: Size applicator for horizontal warps - has dam with scraper blade against lower squeeze roll to retain size bath in roll nip
Inventor: VOSWINCKEL GERHARD
IPC: D06B1/14
Filed: 1991-03-13
Abstract: A size applicator has the common tangent to the circumference of the main squeeze rolls pointing horizontally or slightly upwards in the direction of motion of the threads. A size bath is held at the nip by a dam which has a stripping edge against the lower squeeze roll. The upper edge of the dam is at least at the height of the main squeeze point. The system can incorporate a third roll to give some pretreatment and it can also be used in conjunction with the stripping edge. USE/ADVANTAGE - The arrangement allows an essentially horizontal threadline while still avoiding stop marks in the warp as with a vertical threadline.
Patent DE-4108816-A1 (DE)
Title: Door hinge for domestic electrical appliance e.g. oven - has baseplate and relatively pivoted plug-in element attached to appliance housing
Inventor: SAEBI AHMAD DIPL ING
IPC: F24C15/02
Filed: 1991-03-18
Abstract: The door hinge has a base plate (5) attached to the door and a play-in element (10) which is coupled to the appliance housing and acted on by a bias spring against which it is pivoted relative to the hinge axis. A crank rod (12) is pivoted to the plug-in element at a given distance from the hinge axis (4) and slides longitudinally relative to the base plate (5), with a coil spring (14) between the crank rod (12) and the base plate (5). USE - For drops-down oven door.
Patent DE-4109730-A1 (DE)
Title: Stop for knife folders for sheets of paper - consists of holders movable mounted on support arm with lifting magnet, plunger and spring
Inventor: DANNEMANN GEORG-DIETRICH
IPC: B65H45/18
Filed: 1991-03-25
Abstract: The stop for knife-folders is for aligning folded sheets (3) before the folding-knife penetrates between two folder-rollers. Several holders (4) are movably mounted on a support-arm (2). A stop-piece (9) which is movable in the direction of the sheet travel is linked to each holder (4) at a bearing-point (12) and locked in position. A lifting magnet (5) which operates a plunger (6) against the force of a spring (8). That part of the stop-piece (9) stopping the flow of sheets is in the form of a stable light section (10). Parallel to the sheet's abutment surfaces and above the bearing point (12) is a V-shaped groove (11). USE/ADVANTAGE - Paper sheet folding machine blockages in the knife-folders are avoided, and sheets can be removed from the machine without stopping it.
Patent DE-4127526-A1 (DE)
Title: Gas generator cell - where metallic and electrically conducting gas development cell is in vessel sealed by upper membrane incorporating electrical pole
Inventor: TILSE WILHELM
IPC: H01M50/574
Filed: 1991-08-21
Abstract: A gas generator cell is combined with a controller/regulator contact and an external resistor within a surrounding vessel. The novelty is that the metallic and electrically conducting gas development cell is within an outer vessel sealed by an upper membrane incorporating an electrical contact pole; that the gas tight assembly is secured in place by springs and is in turn set within a surrounding container. USE/ADVANTAGE - The gas generator cell is suitable for incorporation as a unit within a larger system. The arrangement circumvents installation problems and reduces the volume of space required. The electrical current can be interrupted and the gas flow cut off at any time if pressure rises above the required level.
Patent DE-4129515-A1 (DE)
Title: Movable joint for backrest of vehicle seat - has combination of inner and outer sliding bearings and friction brake.
Inventor: ERNST HANS-HELLMUT
IPC: B60N2/225
Filed: 1991-09-05
Abstract: The connecting fitting is for a vehicle seat with an adjustable back rest. The rotary bearings are formed as sliding bearings (5, 6) and the larger bearing (6) encloses and is spaced from the smaller bearing (5) by an eccentric (4).       A common plane runs through the sliding bearings and the interacting teeth (1a and 2a), with a disc-type friction brake (10) integrated into the fitting. USE/ADVANTAGE - Vehicle seat adjustment joint which is easy to move even though the tolerances at the bearing joint are kept relatively small.       (Dwg.1/3)
Patent DE-4142969-A1 (DE)
Inventor: RUNTSCH ERHARD
IPC: H01H83/14
Filed: 1991-12-24
Abstract: A residual current device having at least one supply conductor and one return conductor which form the primary windings for a summing current transformer, its secondary winding emitting a signal if a fault current occurs in the supply and return conductors, which signal drives a trip device which unlatches the latching point of a latching mechanism, as a result of which contact points which are located in the supply and return conductors are opened, the trip device having an element consisting of electrostrictive material whose one end is held in a fixed position in the switch and whose other end, which deflects in the case of a signal, acts on the latching point. <IMAGE>
Patent DE-4200238-A1 (DE)
Title: Removing silicone deposits from hair prior to dyeing or permanent waving - by applying a compsn. contg. di:propylene-glycol-mono:methyl-ether and a surfactant at acid pH and rinsing off with water
Inventor: HARTMANN PETER J
IPC: A61K8/46
Filed: 1992-01-08
Abstract: Treatment for removing silicones from the hair prior to dyeing or permanent waving comprises (a) applying a compsn. comprising (i) 1.0-20.0 wt.% dipropyleneglycolmonomethylether (I) and (ii) 0.1-80 wt.% of at least one anionic and/or ampholytic and/or nonionic and/or cationic surfactant (iii) at a pH in the acid region and (b) rinsing off with water. USE/ADVANTAGE - The compsns. give good removal of built-up silicone layers on the hair resulting from use of hair cosmetic preparations contg. these. The silicones cannot be removed with conventional shampoos and, if not removed, impede the penetration of dyeing and permanent waving agents into the hair so that these treatments give unsatisfactory results
Patent DE-4204912-A1 (DE)
Title: Network supply stage providing regulated output voltage - uses back-up current limitation upon fault in regulating path between power transformer secondary and pulse width modulator
Inventor: WENZEL HORST
IPC: H02M3/335
Filed: 1992-02-14
Abstract: The network supply stage uses a power transformer (7) with its primary winding (8) in series with an electronic switch (9) controlled by a pulse width modulator (14) for regulating the output voltage. The transformer secondary winding (21) provides a control input for the pulse width modulator (14), an auxiliary winding (27) coupled to its current supply input (33). A voltage sensitive switch (34) coupled to the current modulator current supply input (33) controls a semiconductor switch (38) connected to a current limiting input (39) of the modulator (14) for limiting the output current when a fault exists in the regulating path. ADVANTAGE - Ensures max. permissible output current is not exceeded when regulating path exhibits fault.
Patent DE-4207474-A1 (DE)
Title: Image data memory storage for data loss free processing - has simultaneous writing and reading of data with buffer connected to main memory
Inventor: WIENINGER PETER DIPL ING
IPC: G11C7/00
Filed: 1992-03-10
Abstract: The memory storage system for use with cameras, video recorders or similar equipment has an input processing stage and a memory module. The input data is received by a data manipulator (1) that contains a conversion code in tabular form. The data is demultiplexed (2) to provide a 32 bit output to a generator (4) coupled to a buffer memory (5). The generator provides a data stream that passes through the buffer to the automatic memory. The memory entry is controlled by an address counter (7). Control signals are generated by a unit (2) coupled to the various stages. USE/ADVANTAGE - Allow interrupt period of writing process to be varied.
Patent DE-4208190-A1 (DE)
Title: Changeover system for extruder nozzles - has layout to store different nozzle sizes and moves them on supports into position where device takes them to mounting on extruder
Inventor: NIKI MASAHIRO
IPC: B29C48/03
Filed: 1992-03-14
Abstract: A system for changing over the nozzle in an extruder has a store for a number of nozzles on a holder, an arrangement to convey nozzles from the holder into position, and a device to move them from the position to a mounting; the nozzle holders place them in a set position and are themselves conveyed by the arrangement concerned. A number of nozzles and their support plates on a holder are moved by the conveyor from storage to a position and from this by a transfer device the the mounting for the extruder. The storage has two parallel rows of holders, a stacker, a means of passing the nozzles to a line, and a carriage to move nozzle support plates from stacker and a line. ADVANTAGE - The design eliminates the problesm arising hitherto (e.g. risk that a nozzle will drop out, need for various sizes to be fitted, separate heating for the nozzle, etc). It functions securely and has a simple construction
Patent DE-4215053-A1 (DE)
Title: Valve operation for at least two gas exchange valves in IC engine - involves at least one camshaft with normal valve control for exhaust valve with cam and closure spring and force control for inlet valve
Inventor: STEMMER XAVER
IPC: F01L1/24
Filed: 1992-05-07
Abstract: The IC engine has desmodromic valve gear. One valve (12) is operated via a cam (52) against the force of a valve closure spring (56) and the other valve (11) is force-controlled via an opening and closure cam (18,20). The valve gear ensures that the inlet valve is force-controlled. The valve control time of the inlet valve (11) and/or its phase position to the driving crankshaft is variable. USE/ADVANTAGE - In an IC engine, to improve the speed and valve accelerations and thereby increase the power of the engine.
Patent DE-4224666-A1 (DE)
Title: Electric circuit for a mains electric cooker - has temperature-controlled relay to reconnect element across two phases for voltage boost, subsequently reverting to phase-neutral connection
Inventor: GIERER BERNDT
IPC: H05B3/74
Filed: 1992-07-25
Abstract: The circuit for the heating element has a higher voltage applied initially (and occasionally afterwards) to give a faster warm-up time. At least two phases of a three phase mains supply must be available, as well as the neutral. The element is connected between one phase to neutral by a relay operated switch and between the same phase and another phase by a second switch, operated by the same relay. The relay is activated by a sensor detecting the residual heat of the element. For low temperatures, the relay connects the element between the phases, but when the element is already hot, it is connected between the phases, but when the element is already hot, it is connected between the first phase and neutral. ADVANTAGE - No need for temp.-dependent resistors to control current in element.
Patent DE-4227869-A1 (DE)
Inventor: DECKERS ANDREAS DR
IPC: C08F20/12
Filed: 1992-08-22
Abstract: Polymers obtainable by suspension polymerisation of   from 50 to 100% by weight of at least one compound selected from the group consisting of C1-C18-alkyl esters of acrylic acid and methacrylic acid, and from 0 to 50% by weight of further free-radical-polymerisable monomers, in the presence of a buffer selected from the group consisting of citric acid, alkali metal citrates, alkaline earth metal citrates and ammonium citrates, and a process for the preparation of these polymers, and their use for the production of mouldings.
Patent DE-4229541-A1 (DE)
Title: Removing snow and ice in front of car drive wheels - involves pipe from gas exhaust, guiding exhaust gas onto road in front of car drive wheels
Inventor: SCHULTZ THEODOR
IPC: E01H5/10
Filed: 1992-09-04
Abstract: The exhaust gas deflection pipe (6) is fitted to the car exhaust gas pipe (1) and secured by a clip. The pipe is divided in the car middle section, from which extend two equal length feeds to both drive wheels. The feed pipe ends have outlet apertures, matching the respective car type. If the deflection is secured directly to the exhaust gas pipe, the gas deflection may be electrically, or mechanically controlled by the driver. The outlet apertures (3) are pref. fitted to the wheel arch inside. USE/ADVANTAGE - Wheel heating system for vehicle gives improved road holding without need of snow chains etc.