baber/WOPTO huggingface dataset:
Patent DE-4034315-A1 (DE)
Inventor: CLAUSEN THOMAS DR
IPC: A61K8/81
Filed: 1990-10-29
Abstract: The invention concerns a hair-fixing agent which contains, in alcoholic or aqueous/alcoholic solution, a combination of at least one 50-100 % neutralized amphoteric polymer and at least one non-ionic polymer. This agent has excellent hair-fixing properties, gives the hair good feel and shine characteristics, and is also easy to wash out.
Patent DE-4036242-A1 (DE)
Title: Fluid friction clutch for driving cool air ventilator - includes bimetal strip forming valve close member
Inventor: KAPPELER ACHIM DIPL ING
IPC: F16D35/02
Filed: 1990-11-14
Abstract: The fluid friction clutch comprises a housing (1/3) divided into a supply chamber (6) and work chamber (7) by a partition (5) which contains a fluid supply valve opening (12) and return opening. A bimetal strip (14) mounted in the supply chamber to switch off the clutch when the fluid overheats is designed as a valve closing member (14) fixed at the free end (13a) of the valve lever (13) and when heated deforms towards the valve opening (12). The free end (13a) of the valve lever can be angled in order to produce a greater distance from the partition (5). USE/ADVANTAGE - Fluid friction clutch for cool air ventilator. There is now a more sensitive response within a more accurate temp. range to avoid overheating.
Patent DE-4040814-A1 (DE)
Title: Channel scanning equipment for programming VTR - scans channels for TV synchronisation signals comparing programming data with video-text data
Inventor: NAKA MASAFUMI
IPC: H04N5/782
Filed: 1990-12-17
Abstract: The channel scanning circuitry comprises a tuner circuit (1), a VPS (Video Programming Signal) decoder (2), a video  text-signal decoder (3), asynchronisation signal detector (4), a tuning circuit (5), and a processor (6). The tuner (1) and the synchronisation detector (4) produce synchronisation signals (VsyncH), and the tuner (1), signal decoder (2), videotext signal decoder (3), synchronisation detector (4) and timing  circuit (5) determining together whether or not a synchronisation signal is present, and compare program identification information with videotext information, and control tuner channel selection. Additionally, the synchronisation signal is a vertical synchronisation signal. ADVANTAGE - Shorter start sectionm that is not recorded.
Patent DE-4041114-A1 (DE)
Title: IgG2a antibody fraction from body fluid of HIV patients - obtd. during latent phase of infection, deep frozen and re-administered, used for AIDS treatment
Inventor: GRUENSPAN MICHAEL DR MED
IPC: C07K16/10
Filed: 1990-12-21
Abstract: An antibody fraction (A) obtd. from the body fluids of HIV infected patients in the latent phase of infection, is new. (A) pref. contains IgG2a type antibodies and is isolated from blood, cerebrospinal fluid, semen, sputum or tissue fluids of patients. USE/ADVANTAGE - (A) is used for treatment of AIDS or for preventing progression of infection. Partic. it is admin. during the latent phase and will then maintain the patient in that phase. (A) can be returned to the subject from whom it was derived, i.e., an autoimmune passive transfer which reduces the risk of inducing allergic reactions.
Patent DE-4100612-A1 (DE)
Title: Venetian blinds draw cords - incorporate integral spring system to ensure even drawing up and release of blind
Inventor: WOLF HOLGER
IPC: E06B9/324
Filed: 1991-01-11
Abstract: The venetian blind (4) is either folded or made of separate slats. It is operated by a series of vertical cords (5-8). These cords are led through a cord grip and brake (9), where they are secured. Each draw cord has an integral spring (10-13) linking it to the foot of the blind. The spring tension is set at approx. equal to the proportionate amount of the blind weight. USE/ADVANTAGE - The spring tension ensures the venetian blind is drawn up and released evenly.
Patent DE-4104826-A1 (DE)
Title: Electronic pressure switch, e.g. for processing machine - has hydraulic medium pressure detector, evaluation logic, and relay actuating two-position switch with adjustable switching point
Inventor: FRANK REINER DIPL ING
IPC: G01L19/12
Filed: 1991-02-16
Abstract: The electronic press. switch has a press. detector for a pref. hydraulic medium whose output signal is fed to evaluation logic. The elaluation logic output signal controls electronics connected to a relay which actuates a two-portion switch whose switching point is adjusted by the evaluation logic. The switching point is varied by applying a remote control voltage to a port (5) of the switch housing. The voltage is processed on a board (1) connected to the evaluation logic. ADVANTAGE - Eliminates problems in adjustment of switching point.
Patent DE-4106618-A1 (DE)
Title: Method of clamping circular saw blade without play - involves providing key slot in bore, so that blade can be forced against one side of mandrel
Inventor: MUMMENHOFF HEINRICH
IPC: B27B5/32
Filed: 1991-03-01
Abstract: The circular saw blade (1.1) and associated spacing rings have a spiral form key slot (1.1.2) into which is inserted a key member (6) taking up clearance and forcing the saw blade against one side of the machine mandrel (2). The neighbouring spaced saw blade (1.2) is positioned with the key slot (1.2.2) at 180 deg., thus equalising unbalanced forces. ADVANTAGE - Reduces vibration.
Patent DE-4110037-A1 (DE)
Inventor: HILGARTH GUENTHER
IPC: B02C18/12
Filed: 1991-03-27
Abstract: Garden waste shredders are provided with a blade housing (1) arranged on a frame (4) which bears the drive motor and a charging funnel and surrounds a lower ejection space and in which there is a blade carrier disc (7) which is to be driven in rotation about an essentially vertical axis and is provided with essentially radially extending passage slots (8) and flat blades (10) arranged above the latter in the manner of cutting knives. Furthermore, a counterbearing insert (13) is provided in the blade housing (1), said insert having, at the bottom, a lower counter-cutter (18) which interacts with the cutters (10') of the flat blades (10) and extends in a flat and essentially radial fashion. In order to be able to use the garden waste shredder to cut up even relatively strong branch material to the largest possible extent without producing much noise, the blade cutters (10') consist of short blade cutter sections (10'', 10''') which extend over a sub-length area, which constitutes less than half the length, of the lower counter-cutter (18) which interacts with them, at least some of these blade cutter sections (10'', 10''') being arranged radially offset with respect to one another. <IMAGE>
Patent DE-4112011-A1 (DE)
Title: Mortice lock and catch - has components interchangeable to both faces of door, and catch operates in both door directions
Inventor: LEEMHUIS EWALD
IPC: E05B63/04
Filed: 1991-04-12
Abstract: The mortice lock is of a standard type for fitting into a door. The door catch and lock is designed to operate from either side, with the fittings also designed to be interchangeably fitted to either side. The double catch is capable of operating in either direction. USE/ADVANTAGE - Rationalised design of mortise lock in door reduces number of components.
Patent DE-4120190-A1 (DE)
Title: Saw blade for cutting pliable material - comprises disc with toothed and gulletted perimeter with profiled cutting inserts
Inventor: BALES FRANSIS WAYNE
IPC: B23D61/02
Filed: 1991-06-19
Abstract: A saw blade for cutting pliable material comprises a disc with flat sides and a series of teeth around its perimeter alternating with gullets. The disc is equipped with a fixing for attachment to a rotating axle powered by machine.  Each tooth consists of an insert (22) whose outer edge (24) is radially lower than the remainder of the perimeter (12), and  whose sides project above the flat sides of the disc blade. Its outer edge (24) is inclined downwards from front to rear and finishing flush with the blade perimeter. USE/ADVANTAGE - Any support surface used to support the  pliable material will not be damaged.
Patent DE-4122358-A1 (DE)
Title: Knitting machine - has a frame to form cross laid weft threads to feed into the machine in a flat formation
IPC: D04B21/14
Filed: 1991-07-05
Abstract: A process to compose endless angular weft thread sections to make a flat formation, suitable for warp knitting machines. When more than one formation is developed, they are combined in a supply mechanism. The weft is carried across the mechanism by thread carriers and deposited at each side into grips, set at angles across the frame. The appts. is also claimed. ADVANTAGE - The design improves the reliability, used partic. with high density of weft thread, in prepn. of nonwoven or layered fabric.la
Patent DE-4125739-A1 (DE)
Title: Specimen extractor with several measurement points, e.g. for air in chemical plant - has extraction line with pumped transport medium, controlled inlet valves at each ,measurement point, and specific material sensor
Inventor: JAX PETER DIPL PHYS DR
IPC: G01N1/26
Filed: 1991-08-02
Abstract: The appts. contains a collection line (4) through which a transport medium is pumped (8). Several measurement position (2) are spaced along the collection line, and each has a specimen inlet (6) via which a specimen flows in to the collection line. A sensor (10,12) connected to the extraction line reacts to a material to be detected within the specimens. The specimen inlets are controllable by electrically operated valves (16) via a common controller (9). They are opened simultaneously for a known time, pref. between 5 and 10 seconds. ADVANTAGE - Easier calibration.
Patent DE-4126935-A1 (DE)
Title: New pyrimidinyl-substd. salicylaldehyde and salicylic acid derivs.
Inventor: VOGELBACHER UWE JOSEF DR
IPC: C07D491/04
Filed: 1991-08-10
Abstract: Pyrimidinyl-substd. (thio)salicylaldehyde and (thio)salicylic acid derivs. (I) and their salts are new. In (I), R1 = H; succinylimidooxy; 5-membered heteroaryl contg. 1-3 N atoms and opt. 1-4 halo and/or 1-2 1-4C alkyl, 1-4C haloalkyl, 1-4C alkoxy, 1-4C haloalkoxy and/or 1-4C alkylthio substits.; OR5; -N=CR6R7; -(O)mNR14R15, -(CH2)l-CO-NR16NR17, -(CH2)l-S(O)kR18; -O-(CH2)l-P(O)(OR18)2 or -NHSO2R19, R2 = 1-4C alkyl, 1-4C alkoxy, 1-4C haloalkoxy or halogen; R3 = H; and R4 = H; halogen; 1-4C alkoxy; 1-4C haloalkoxy; aryloxy; 1-4C haloalkyl; formyl; 1-8C alkoxycarbonyl; R3+R4 = -Z=CH-CH=CH- where Z = CH or N; R5 = H; alkali metal, alkaline earth metal or organic ammonium cation; 3-12C cycloalkyl opt. contg. 1-3 1-4C alkyl substits; 1-10C alkyl opt. contg. 1-5 halo and/or 1 1-4C alkoxy, 1-4C alkylthio, cyano, 1-8C alkylcarbonyl, 1-8C alkoxycarbonyl, 3-12C cycloalkyl or phenyl, phenoxy or phenylcarbonyl substits. R6, R7 = 1-20C alkyl opt. substd. by phenyl, 1-4C alkoxy and/or 1-4C alkylthio; phenyl; or R6+R7 = 3-12C alkylene opt. contg. 1-3 1-3C alkyl substits.; R14, R15 = H; 1-6C alkyl, 3-6C alkenyl or 3-6C alkynyl opt. contg. 1-5 halo and/or 1-2 1-6C alkoxy, 3-6C alkenyloxy, 3-6C alkynyloxy, 1-6C alkylthio, 3-6C alkenylthio, 3-6C alkynylthio, 1-6C haloalkoxy, cyano, 1-6C alkylcarbonyl, 3-6C alkenylcarbonyl, 3-6C alkynylcarbonyl, 1-6C alkoxycarbonyl, 3-6C alkenyloxycarbonyl; R16, R17 = H; 1-6C alkyl; 3-6C alkenyl or 3-6C alkynyl; R18 = 1-6C alkyl; 3-6C alkenyl or 3-6C alkynyl; R19 = 1-6C alkyl or phenyl opt. contg. 1-4 halo, nitro, cyano or 1-6C alkyl substits; X = O or S; Y = N when R3 = H and n = 0 or when R4 = O and n = 1; or C when R3+R4 form a ring or when R3 = H and k = 0-2; n = 1; l = 1-4; m = 0 or 1; and n = 1 when Y = C or when Y = N and R4 = O or 0 when Y = N and R4 is other than O.
Patent DE-4127810-A1 (DE)
Inventor: EFFER ERHARD
IPC: G02B5/23
Filed: 1991-08-22
Abstract: Described is an optically transparent photochromic plastic made from sulphur-containing materials and containing photochromic organic compounds produced by polymerization processes as solid components. The organic compounds have at least two ring systems linked by a spiro carbon atom. Their photochromic tinting action is due to reversible rupture of a bond to the spiro C-atom.
Patent DE-4128244-A1 (DE)
Title: Energy conservation wall in buildings to utilise waste heat - consists of hollow dividing wall, with waste water intake and fresh water pipe or heat exchanger
Inventor: BODISCO WOLF VON
IPC: F28D21/00
Filed: 1991-08-26
Abstract: The energy conservation wall (1) is used as dividing wall in a building, or is placed in front of it. The wall is hollow, and takes up the waste water from households, excluding water from toilets. The wall contains a pref. serpentine-shaped fresh water pipe, or a tank. Alternately, there may be a heat exchanger or a heat pump. A water feed pump is located at the intake into the wall. A valve discharges the cooled waste water from the wall, and there is also an overflow, and a tube, leading to the toilet cistern. The wall also contains a heater, and a tank, separate from fresh water/waste water, with pipes leading to hot water pipes. USE/ADVANTAGE - Space saving, energy saving wall construction for use in building.
Patent DE-4129685-A1 (DE)
Title: Manually operated tool for crimping connectors onto wires - has pair of hinged handgrips operating 3-link transmission to apply high force with accurate displacement of tool
Inventor: THOERNER WOLFGANG B
IPC: B25B27/14
Filed: 1991-09-07
Abstract: The hand held mechanical tool is used for fitting crimped connectors onto a wire. The tool has a pair of handgrip levers (1, 2) that are coupled together by a pivot pin (19). One of the levers has a frame section that retains a fixed crimping block (4). A movable crimping block (5) is hinged (6) to the frame and is displaced by a 3 link mechanism (7, 8, 12), pin jointed onto one of the grips. When hand pressure is applied, two of the links (7,8) move to adapt a straight line so applying a definite displacement of the tool and exerting high force. ADVANTAGE - high applied force avoiding deformation of crimping tool.
Patent DE-4129688-A1 (DE)
Title: Stepless power transmission assembly for e.m. couplings - has respective non-magnetic housings at magnet body and armature with grooved ball bearing inserted between two grooved plates in housings as connecting joint
Inventor: THOENE HERMANN
IPC: F16D7/00
Filed: 1991-09-08
Abstract: The axial grooved ball bearing is used as the connection between the non-magnetic housings(4,6) accommodating the magnet body(1) and the armature(2). The system includes an adjusting screw(10) with a lock nut(11) arranged at the armature housing(6). The balls(9) of the bearing maintain the air gap(12) at a constant width and prevent a frictional connection. USE/ADVANTAGE - overall use as stepless magnetic coupling for connecting two shafts, esp. for motor vehicles and machines e.g. for flywheel, requiring stepless regulation without added expense of supplied power resulting in poor efficiency.
Patent DE-4130236-A1 (DE)
Title: Opening roller rotor spinning machine - includes instrument to replace worn sawtooth clothing on roller
Inventor: SCHMOLKE KARL-HEINZ
IPC: D01H4/32
Filed: 1991-09-11
Abstract: Opening roller has sawtooth clothing. The sawtooth wire is wound spirally on the face of the roller and has grooves in the rings to hold it. An instrument is employed to fix the sawtooth wire rigidly into position. The roller is pref. made of steel or aluminium, with a central diameter, so that it can be mounted on the instrument. This has a thread formation, on which is fitted the nut (7), bored at intervals to accept a lever (9). ADVANTAGE - The opening roller is a replacement part, in that the sawtooth wire lasts a specific period, according to fibre and use. Replacement is normally an engineering works product. By means of the instrument this can be carried out in the mill.
Patent DE-4132169-A1 (DE)
Title: Rigid polymer laminate with smooth outer surface for stamping - useful as printed circuit board substrate with glass fibre filled core of thermoplastic aryl ether¨ sulphone¨ polymer
Inventor: JACK GREGORY SCOTT
IPC: C08L79/08
Filed: 1991-09-27
Abstract: Laminate has a smooth outer surface contg. thermoplastic polymer (I) free from fibrous or particulate filler and another layer of filler (I), produced separately. The filler (II) comprises mineral filler(s) and/or glass fibres; and (I) has high enough thermal and chemical stability to fix electrical components firmly to the laminate. Pref. (I) is an amorphous polymer with recurring aryl ether sulphone untis of formula -Phe-SO2-Phe-O-Ar-O- (IA) in layer (a) and opt. (b) or with aromatic ether imide units of formula (IB) in layer (a): Phe = p-phenylene; Ar = (i) -Phe-SO2-Phe- or (ii) -Phe-SO2-Phe- and -Phe- in ca. 3:2 - 19:1 molar ratio; or -Phe-Phe-; the bonds of the -O-Z-O- gp. are in the 3,3'-, 3,4'-, 4,3'- and 4,4'- position; Z = -Phe-Phe or pref. -Phe-Cme2-Phe-; R = -Phe-, m-phenylene, -Phe-O-Phe-and/or -Phe-SO2-Phe, pref. m-phenylene. Layer (a) contains ca. 1-10 (wt.)% catalyst (III) for electroless metallisation; or the material is a 3-ply laminate with the configuration (a)-(b)-(a) and layer (b) contains ca. 1-10% (III). (III) pref. is Pd on alumina. USE/ADVANTAGE - Used for printing circuits by the semiadditive, subtractive or esp. additive technique. Produced by laminating extruded layers. (15pp Dwg.No.0/0)
Patent DE-4134027-A1 (DE)
Title: Series connected device, e.g. for lamps, with integral auxiliary lead - forms galvanised connection between two clamps arranged either side of ferromagnetic core
IPC: H05B41/18
Filed: 1991-10-15
Abstract: A series connected device (29) has a ferromagnetic core (31) with two sides (32, 33) as well as at least one coil (13). Contact clamps (36, 37) form support points for external wiring. Connector means connect the external wiring to the ends (22, 25) of the coil (13). The clamps (36, 37) are mechanically connected to the core (31) and are arranged alongside it. At least one fixed lead (26) passes through the device (29). This forms a galvanised connection between two clamps (39a, 41a). One of these clamps (39a) is arranged on side (33) of the core (31) and the other (41a) is arranged on the other side (32). USE/ADVANTAGE - Independent of whether or not an additional capacitor is used, device can be connected to mains and no additional wiring is needed if a capacitor is used.
Patent DE-4136982-A1 (DE)
Title: Diecasting die lubricant spraying - having number of separate spray units on head that can be individually controlled to obtain distribution of fluid over surface
IPC: B05B12/00
Filed: 1991-11-11
Abstract: The method involves using an automatic spray system has a main head (12) with a number of separately controllable spray head modules (10) that can be adjusted to provide the required directions. The head is moved in position in front of a die tool impression by a linear actuator (14). Each spray head module has a stepping motor controlled valve that is controlled to limit the spraying duration. Position feedback is provided to a controller (22) and data held in memory (24) is accessed to control the spray head drive amplifiers (26). ADVANTAGE - Allows accurate control of amt. dispensed and distribution.
Patent DE-4138270-A1 (DE)
Title: Navigating self-propelled land vehicle, esp. road sweeper - acquiring video images of natural landmarks and comparing with stored data from learning journey
Inventor: PARYJAS NORBERT DR
IPC: G05D1/02
Filed: 1991-11-21
Abstract: The navigation method involves detecting markers as the vehicle travels about. The markers are digitised and compared with stored data to detect deviations from desired values which are processed into navigational control signals. The stored data are generated during a learning journey. Natural landmarks are used as the markers.  Images of these are acquired using a pivotable video camera at times corresp. to the points in the journey at which they are expected to be reached. The corresp. viewing angles are stored. The shift of the landmark in the image plane is detected in the digitised image. The actual position and direction of the vehicle w.r.t. a desired position and direction are derived from the displacement of a pair of landmarks. USE/ADVANTAGE - Navigating along defined route. Operates without previously applied markers and without territorial limit. USE/ADVANTAGE- E.g. for navigating a road sweeper along a defined route.  The method operates without previously applied markers and without territorial limit.
Patent DE-4140082-A1 (DE)
IPC: C07C51/487
Filed: 1991-12-05
Abstract: A process is indicated for the purification of waste acetic acid which is contaminated with nitrogen compounds and with halogen compounds which are difficult to hydrolyse, which process comprises treating the waste acetic acid in a first step with a complexing metal or one of its compounds and with a basic compound and holding this mixture at a temperature of between 25 and 118 DEG C over a period of 1 to 6 hours, distilling off a first running in a second step and distilling off purified acetic acid as head product from a residue of low volatility in a third step. 
<??>Complexing metals which have particularly proven themselves are iron, cobalt, nickel or copper or their compounds in the form of the acetates, oxides or hydroxides. 
<??>The hydroxides, hydrogencarbonates, carbonates or acetates of sodium, potassium, magnesium or calcium are employed as basic compound.
Patent DE-4143243-A1 (DE)
Title: Domestic cold cell for storage of provisions - has freezer compartment and cold compartment separated by insulated wall, with air lock access door and solar powered cooling circuit also provided
Inventor: TETKOV EMMERICH
IPC: F25B27/00
Filed: 1991-12-31
Abstract: The cell is divided by a wall into a freezer compartment and a cold compartment. In the freezer compartment, there is at least one, but preferably two, cooling matrices. The insulation of the dividing wall is less than that of the remaining walls of the freezer compartment. The cooling circuit works on the compressor/evaporator principle, either totally or predominantly using solar power. The access doors to the two compartments are as small as possible, the one for the cold compartment being like an airlock. ADVANTAGE - Inexpensive unit for easy after-market installation operating on low cost energy.
Patent DE-4206797-A1 (DE)
Title: Radarantennensystem
Inventor: JONES DAVID KELVIN
IPC: H01Q5/15
Filed: 1992-03-04
Abstract: Ein Radarantennensystem enthält Antennenelemente, die in einer aktiven Matrix angeordnet sind. Die Elemente liegen dabei in vorbestimmten Gruppen, so daß eine einzelne Gruppe elektronisch innerhalb der gesamten Matrixöffnung ausgewählt werden kann. Die Auswahl wird mit Hilfe eines variablen Dämpfungsmittels bewirkt. Dadurch wird eine Phasendifferenz zwischen direkten Reflexionen und Mehrwegreflexionen erzeugt, so daß die Radarinformation aus einer Direktreflexion von der Radarinformation aus einer Mehrwegereflexion unterschieden werden kann.
Patent DE-4212811-A1 (DE)
Inventor: CHOI YOUNG SOON
IPC: H04J3/04
Filed: 1992-04-16
Abstract: An analogue decoder comprising NOR gates outputs, as a high level, any one among four outputs (V01, V02, V03, V04) corresponding to two inputs (Vin1 Vin2). The decoder comprises four NOR gates (Q7, Q8: Q10, Q11: Q13, Q14: Q16, Q17) the output states of which are determined according to the two control inputs (Vin1 Vin2), inversion circuits (Q19, Q20) which invert the inputs and supply the inverted inputs to the respective NOR gates, and current distribution resistors (R5, R6) which equally adjust currents applied to the bases of the respective NOR gates. The analogue decoder controls a multiplexer and supplies currents to transistor bases so that problems of insufficient current flow and non-saturation do not occur. <IMAGE>