baber/WOPTO huggingface dataset:
Patent DE-3933153-A1 (DE)
Title: Membrane valve with disc-shaped membrane - has valve housing with inlet and outlet part, and support, and perforated plate
Inventor: LENHARD DIETER
IPC: F16K15/14
Filed: 1989-10-04
Abstract: The membrane valve operated by a pressurised medium has a disc-shaped membrane (4) whose outer rim (5) fits into a valve-housing consisting of an inlet (1) and outlet (2) part.  When closed, the membrane (4) rests tightly on a support  consisting of a flat, perforated plate (3). The membrane has a non-tensioned inner edge (13) which, when the medium flows in the other direction, presses  tightly against the perforated plate (3). USE/ADVANTAGE - The membrane valve prevents back-flow and is made of few, simple constituent parts.
Patent DE-3935382-A1 (DE)
Title: Device to separate washing soln. from washing - in one-drum automatic washing machine features duct on-in drum jacket
Inventor: AURICH SIEGFRIED
IPC: D06F23/02
Filed: 1989-10-24
Abstract: A device for sepg. the washing soln. from the washing during spinning is for a one-drum automatic washing machine with a water-tight, horizontal drum. A peripheral duct is located in or on the drum jacket and runs from the jacket t middle as far as the drum bottom on the bearing side. The duct wall facing the laundry is equipped with perforations. The joint area of the duct in the area of the drum jacket middle features liquor entry openings. ADVANTAGE - The washing soln. is prevented from collecting in the drum bottom while there are no costly additional components in the collecting container.
Patent DE-3938492-A1 (DE)
Title: Motor with piston driven by pressure medium - has inlet and outlet valves actuated by piston movement
Inventor: HIGAMI MASANOBU
IPC: F01B11/00
Filed: 1989-11-20
Abstract: The motor driven by a pressure medium has a cylinder (1) with an inlet (9) for the pressure medium and an outlet (10). A piston (2) operates in the cylinder (1) and a compression spring (26) acts on the piston (2) in the opposite direction to that in which the pressure acts. The movement of the piston (2) actuates the valve heads (3) and (4) by means of spring-loaded push rods. The inlet valve is held open by a magnet (7) during the forward stroke and the outlet valve is held open by the magnet (8) during the return stroke. USE/ADVANTAGE - Driving machinery in cases where IC engines are a fire risk.
Patent DE-3941708-A1 (DE)
Title: Cover for inspection hole in ceiling - incorporates lock member actuated by swinging arm
Inventor: ROTH ECKART
IPC: E05C3/04
Filed: 1989-12-18
Abstract: The inspection opening in a ceiling or wall has a rectangular frame with side members (5) and end members (6,8). This frame is fitted with a cover (2) which is supported at one end by brackets (16) with slotted holes (17) which engage bolts (13) fixed to the frame side members. The other end of the cover (2) is supported by a lock. This lock consists of an arm (22) which pivots baout a pin (23). The arm (22) has a curved slot (31) with an indentation (32) on one side near the closed end. This indentation engages a pin which locks the arm (22) and consequently holds the cover (2) in its closed position. The lock can be released by swinging the arm (22) downwards by gripping the handle (28). USE - Inspection covers.
Patent DE-4001159-A1 (DE)
Title: Sealable thermoplastic moulding material, esp. for food packaging - contains impact polystyrene, block copolymer, lubricant, and homo- or co-polymer of aliphatic olefin!
Inventor: HOENL HANS DR
IPC: C08L53/00
Filed: 1990-01-17
Abstract: Sealable thermoplastic moulding materials (I) contain 5-70 wt.% impact polystyrene (A), 5-70 wt.% block copolymer (B), 1-20 wt.% lubricant (C) and 5-70 wt.% homo- or co-polymer of aliphatic olefin (D). Suitably, (A) are SB block copolymers, esp. as described in dE-A 1770392 and (for translucent polymers) in DE-A 2613352; pref. (B) is a styrene-isoprene block copolymer prepd. by anionic soln. polymerisation with a Li catalyst; (C) is mineral oil, dodecyl alcohol, butyl stearate, DEHP, etc.; pref. (D) is isotactic PP; the non-sealable carrier layer is made of, e.g., impact PS, SB block or graft copolymers, etc., and the laminated film is pref. produced by co-extrusion.
Patent DE-4010030-A1 (DE)
Title: Branched, opt. crosslinked polyarylene sulphide prepn. - by heating in the melt with polyfunctional organic sulphonic acids, e.g. naphthalene-di:sulphonic acids
Inventor: KOEHLER BURKHARD DIPL CHEM DR
IPC: C08G75/029
Filed: 1990-03-29
Abstract: Prodn. of branched, opt. crosslinked polyarylene sulohides (I) comprises heating a mixt. of (A) 70-99.9wt.% polyarylene sulphide (PAS), (B) 0.1-30wt.% polysulphonic acid of formula R-(SO3H)n and (C) 0-400 pts. wt. (w.r.t. 100 pts. wt. (A)+(B)) fillers and reinforcing materials for 0.5-100 mins. in the melt at temps.  between the m.pt. of (A) and 400 deg.C, opt. under  shearing conditions. R = di-, tri-, tetra- or multi-valent organic residue with at least 6-24C atoms, pref. consisting mainly of aromatic rings, opt. fused, or linked via O, alkylene, S, SO2 or direct bonds and opt. substd. with 1-22C alkyl or 6-14C aryl, or a polystyrene residue; n = 2 or above. Pref. (B) is m-phenylene-disulphonic acid or 1,6-, 1,4-, 2,6-, 2,7-or 1,5-naphthalene-disulphonic acid. USE/ADVANTAGE - (I) are useful for the prodn. of moulded prods.. The process enables the prodn. of branched, highly viscous, opt. crosslinked PAS without the disadvantages of prior art processes (proportioning difficulties with gaseous curing agents, formation of H2S when using sulphur, inhomogeneity when using aq. disulphonic acid solns.).
Patent DE-4012865-A1 (DE)
Title: Fluoro-aryl cpds. prodn. with ortho electrophilic substituent
Inventor: REIFFENRATH VOLKER
IPC: C09K19/40
Filed: 1990-04-23
Abstract: Prodn. of ortho-substd. fluoroaryl cpds. (I) comprises adding a strong base to a mixt. of a fluoroaryl cpd. and an electrophile. Also claimed is the use of o-fluoroarylboric acids, esters and anhydrides (I) i) for prodn. of corresp. o-fluorophenols by oxidative hydrolysis; ii) for prodn. of corresp. o-fluorohaloaryl cpds. by halogenation; or iii) as coupling components in transition metal cross-coupling reactions with halo- and perfluoroalkylsulphonyl cpds. Pref. cpds. (I) have the formula (I) R1 = H,F, alkyl, alkenyl or alkoxy with up to 18C or a mesogenic gp., W,X,Y = N, CH or CF; E = -CH2-R2, -CH(OH)-R2, -CH2-CH(OH)-R2 or a gp. of the formula (ii), (iii), (iv), (v), (vi) or (vii) R2 = 1-15C alkyl or a mesogenic gp. R3,R4 = H or alkyl, alkenyl or cycloalkyl with up to 10C or R3+R4 = -(CH2)n- or -CH2-CHR8-CH2-; R5 = aliphatic, cycloaliphatic, araliphatic or aromatic gp., R8 = alkyl, alkoxy or alkenyl with up to 18C or a mesogenic gp. Z = gp. of formula (VIII) n = 2-4.
Patent DE-4015676-A1 (DE)
Title: Production of ceramic branch pipe - involves mould consisting of two half shells
Inventor: LIMBURG CARL
IPC: B28B21/74
Filed: 1990-05-16
Abstract: The ceramic branch pipe is produced from a mould consisting of two half shells (2). The internal contours of these half shells correspond to the external contours of the main pipe and to the branch pipe (11). A core (5) is placed in position to form the bore of the main pipe and a core (8) is used to form the bore of the branch pipes (11). The cores (5) and (8) are inserted by means of hydraulic pressure with the pressure being controlled by a mandrel (10) which is removed after the pipe has been formed. USE - Ceramic branch pipes.
Patent DE-4017202-A1 (DE)
Title: Laser beam device which can be rotated in horizontal plane - has telescopically movable guide arms directing laser beam
Inventor: PAECH GISBERT
IPC: B23K26/00
Filed: 1990-05-29
Abstract: Appts. consists of a horizontally rotatable circular body (1) which is driven by a base motor (6) on ball bearing ring (7) and guide (8). The straight line movement of the beam is carried out by a telescopic movement. The laser (16) is pref. directed divided downwards in the centre of the appts. with a connection plug to the mains (14) above it and a mirror (19) below it for reflecting the beam into the telescope tube (17). USE/ADVANTAGE - Surface cutting and treatment of flat workpieces. The appts. is compact and can be used as a mobile table unit or stationary unit.
Patent DE-4029544-A1 (DE)
Title: Safety installation for household washing machines - with liquid container, filling control, supply valve, emptying pump and safety level switch
Inventor: STICKEL ERNST DIPL ING
IPC: A47L15/42
Filed: 1990-09-18
Abstract: A safety installation is for water-conducting household appliances and incorporates a liquid container, a filling control, a supply valve, an emptying pump, and a safety level switch. A level-related switch component is located in a chamber which is connected to the liq. container in a water-conducting manner and has an opening for water entry. The chamber incorporates a float and is connected in a liquid-guiding manner to an overflow duct in the appliance. The duct features a flow resistor after a chamber opening for water entry. ADVANTAGE - The filling control function can be monitored by simple means.
Patent DE-4034273-A1 (DE)
Title: Laundry dryer with fan - has heating unit to heat air current and monitoring device to register value to characterise air current
Inventor: STROHMAIER WERNER DIPL ING
IPC: D06F58/50
Filed: 1990-10-27
Abstract: A laundry dryer has a fan for producing an air current led through its interior space, at least one heating unit for heating the air current, and a monitoring device for the prodn. of display signal indicating an operating disturbance for a display unit. The monitoring device registers a value that characterises the air current, e.g. the revolution speed of the fan motor. ADVANTAGE - The clogging up of the condenser and/or the fly lint filter with fly lint is detected early.
Patent DE-4035266-A1 (DE)
Inventor: WAGNER MATTHIAS
IPC: G01N25/72
Filed: 1990-11-02
Abstract: The invention relates to a method and apparatuses for thermal wave analysis, which is applied to measure geometrical, thermal, electronic and elastomechanical material parameters of solids, in particular of their surface layers. It is chiefly applied in coating technology. 
<??>The object of reducing the technical complexity and sensitivity limit of thermal wave analysis is achieved according to the invention when a single laser beam which has an additive two-frequency intensity modulation is directed onto the object and the amplitude of the mixed frequency of the discrete modulation frequencies that is not contained in the excitation beam is analysed as the response signal. An advantageous suppression of noise and reduction in the sensitivity limit are achieved through obtaining a reference signal from the excitation beam and forming its difference with the measured signal. 
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Patent DE-4039113-A1 (DE)
Title: Welding sheets together - using welding machine which is guided over joint by upturned edges of the sheets which are reduced in size by cutting
Inventor: LIPP XAVER
IPC: B23K37/02
Filed: 1990-12-07
Abstract: Method of welding together sections of sheet material (3) consists of using a welding machine which is driven over the top of the sheet joint, guided by the upturned edges (5) of the two sheets via a guide roller (35). Just before the welding (11) is carried out the raised borders are cut to reduce their height.
Patent DE-4039449-A1 (DE)
Title: Copper (I) formamidine complexes prepn. useful as oxidn. catalysts etc. - by reacting aniline with formanilide in presence of copper(I) halide in an organic solvent
Inventor: PODDER CHIRARANJAN DIPL CHEM D
IPC: C07C257/12
Filed: 1990-12-11
Abstract: Prepn. of copper I formamidine complexes of formula (I) comprises reacting aniline with formanilide in the presence of copper I halide in an organic solvent at 170-210 deg.C. USE - (I) are oxidn. catalysts, stabilisers for polyamide and masticating cpds. for natural rubbers such as plant protectants, fungicides and insecticides.
Patent DE-4039945-A1 (DE)
Title: Solar cell module combining cells with diodes in block - mounts layers on common substrate by thin film technique with separating troughs cutting through all layers
Inventor: KNIFFLER NORBERT DIPL PHYS DR
IPC: H01L27/142
Filed: 1990-12-14
Abstract: A solar cell module (1) has a number of cells (11-15) formed on a glass substrate. The cells are produced using thin film techology and are interconnected by a conductor strip (4). Voltage limiting diodes (21-25) are coupled in series and in parallel with the solar cells. Other diodes (5, 6) are at the input and output terminals. The cells are formed with a photo-electric layer (8) between transparent electrodes (7, 9). Both solar cells and diodes are separated by grooves (10). ADVANTAGE - Compact, and integrated as far as possible.
Patent DE-4100749-A1 (DE)
Title: Regulator device for refrigerator - cools each evaporator in air current to chamber and has air temp. probe in each evaporator air flow
Inventor: BENDTSEN CHRISTIAN
IPC: F25B5/02
Filed: 1991-01-12
Abstract: The refrigerator has a compressor (1), a condensor (2), and at least two evaporators (5), and the regulator contains controllable injection valves (4) on the input side of the evaporators (5), and a regulator (7) for the overheating temp. of the evaporators. With the regulator, the overheating temp. theoretical value of the evaporators is automatically adjustable dependent upon a physical dim. of the refrigerator. Each evaporator is arranged in its own air current to the chamber to be cooled (14). In each air flow downstream of the evaporator is fitted an air temp. probe (11), the measurement signal from which is fed to the regulator. By means of the regulator, the overheating temp. theoretical values of the evaporators is so adjustable dependent upon the measurement signals from the probe, that the cooling power of all evaporators remains the same. USE/ADVANTAGE - To ensure even. temp. distribution in refrigerator.
Patent DE-4105371-A1 (DE)
Title: Cutter for rigid foam continuous extrusion line - has thin blade moving at extrudate speed to cut across foam while held under tension
Inventor: NIKSTAT REINHARD
IPC: B26D1/60
Filed: 1991-02-21
Abstract: Rigid foam is cut on a continuously moving line by a knife in the form of a thin blade. The blade is held and tensioned in supports and is at an angle to the movement of the foam line. The supports run in parallel guides on opposite sides of the foam line and pull the knife through the foam under tension by means of a drive. The drive can be a belt connected to both holders (44,52) so that tension on the leading holder releases the belt (58) on the following holder. USE/ADVANTAGE - The invention can cut foam cleanly and quickly immediately after extrusion.
Patent DE-4107738-A1 (DE)
Title: Steplessly controllable drive for vehicle - has chain transmission drive and forward-reverse gear change in which drive shaft is connected to primary side of drive
Inventor: SIMON HERBERT
IPC: F16H37/02
Filed: 1991-03-11
Abstract: The drive aggregate for a motor vehicle has a steplessly controllable chain transmission drive and a forward/reverse gear change in which the drive shaft of the engine is connected directly or via an intermediate member with the primary side of the chain transmission drive. On the take-off side of the secondary side of the chain transmission drive (10), a first bevel gear (16) works with a second bevel gear (17) mounted on one of the driven shifts (18) which runs at right angles. ADVANTAGE - Drive aggregate of flexible cosntruction with an esp. short design length suitable for fitting into a vehicle.
Patent DE-4108284-A1 (DE)
Title: Levelling soil in gardens and parks - using machine with rake fitted to lower edge of oscillating beam
Inventor: STENBERG TENHO
IPC: A01B35/00
Filed: 1991-03-14
Abstract: The machine is for working and levelling the soil in gardens, parks, sports grounds etc. It has a horizontal beam (1) which is mounted transversely to the direction (A) of travel of the machine. This beam (1) is oscillated in its longitudinal direction and is suppported by a number of swinging arms (4) from a fixed beam (5). The beam (1) is oscillated by means of a crankshaft (7) and a connecting rod (8). A rake (2) is attached to the lower edge of the oscillating beam (1). This lower edge of the oscillating beam is on the same level as the underside of the fixed beam (5). USE - Levelling soil in garden and parks.
Patent DE-4110902-A1 (DE)
Title: Stereo headphones with adjustable frequency response - use directional pattern of outer ear and post equalises response of headphone sound transducers by rotation of transducer positions
Inventor: KOENIG FLORIAN DIPL ING
IPC: H04R5/033
Filed: 1991-04-04
Abstract: The stereo headphone set has two capsules (1) adapted to fit into the outer ear. In each capsule (1) a sound transducer (2) is arranged off centre to ensure front perceived location of audible events. The sound transducer (2) in each capsule (1) is rotatable about an axis which extends perpendicularly to the outline of the outer ear or to a parallel principal surface of the capsule (1). The sound tarnsducers (2) are arranged to rotate clockwise and anticlockwise. The rotational movement starts from an average downwardly and forwardly displaced position and is proportionally counter rotational. Thus the forward or downward displacement distances are reduced or increased. ADVANTAGE - Produces equalises as well as balanced stereophonic audible events. Especially for ferquencies above, provides optimal location of audible events.
Patent DE-4113201-A1 (DE)
Inventor: GREITZKE STEPHAN F DR ING
IPC: G01B7/30
Filed: 1991-04-23
Abstract: The invention relates to a method for contactless controlling of the sense of rotation of electrical machines which are surrounded by a machine housing, the variation in the stray magnetic field generated by the machine being detected by sensors, which are arranged on the outside of the machine housing offset radially by an angular amount with reference to the machine axis, and whose phase-shifted, mutually identical measurement signals are fed to an evaluation circuit which outputs as a display for the sense of rotation an output signal corresponding to the sign of the phase shift. <IMAGE>
Patent DE-4118247-A1 (DE)
Title: Ironing installation for flattening seams, ensuring trouble-free transport of item to be ironed - has support device with an ironing spar comprising conveyor above a fixed ironing base positioned opposite the ironing body
Inventor: JAEGER RAINER G
IPC: D06F69/02
Filed: 1991-06-04
Abstract: An ironing installation incorporates a support device with an ironing spar. The spar features a fixed ironing base in the section located opposite the ironing body. The lower transport belt of the transport installation runs merely before and behind the ironing base on the top side of the spar. The transport installation is equipped with a conveyor at least above the ironing base. The conveyor can be brought into contact with the prod. to be ironed from above. ADVANTAGE - Used for flattening seams. Despite the use of steam, the device ensures a trouble-free transport of the material.
Patent DE-4122188-A1 (DE)
Title: Folding table in chair arm rest with vertical holder frame - has two part fitment, with slot, stop-piece, locking-plate, protuberances, and spring
Inventor: WAEKE ARNO
IPC: A47C7/70
Filed: 1991-07-04
Abstract: The table-top (1) is guided by a vertical holder-frame with a slot (27) on the top for the table-top to go through. A two-part (11,12) fitment (10), attached to the table-top's lower end and underside restricts the table-top's vertical movement. The first part (11) extends beyond the table-top's lower end and rests on the underside of the frame's slot-stop (26) by use of at least one protuberance (32) gripping behind a protuberance (31) on the other part. A locking- plate (14) on the table-top's underside is pre-stressed by a spring (29), and has one end (18) sticking out beyond the fitment, and an underside resting against a frame-stop (33). ADVANTAGE - The easily and reliably operating, stable folding table is pulled out vertically from its vertically stored positions in the chair's arm-rest, and then fixed horizontally for use.
Patent DE-4122210-A1 (DE)
Title: Conjugate comprising antitumoural cpd. and protein in native form - which is stable and accumulates at high levels in the tumour
Inventor: SINN HANS-J DR
IPC: A61K47/48
Filed: 1991-07-04
Abstract: Conjugates (A) comprising an antitumour cpd. (I) contg. at least one carboxyl gp. and a protein (II) in native form are new. (I) is pref. an aromatic cpd., esp. methotrexate, an anthraquinone-2-carboxylic acid, a carminic acid or a platinum complex or a mixt. of such cpds.. (II) is pref. serum albumin, fibrinogen, transferrin, an immunoglobulin or a lipoprotein. In the prepn., (I) is converted with carbodiimide and hydroxysuccinimide into a succinimidyl ester which is reacted with (II). Reaction of the ester with (II) is carried out in aq. buffer using (II) in a concn. of 10-20 mg/ml. USE/ADVANTAGE - (A) are useful for the treatment of tumours. They are more stable than known conjugates, e.g., of methotrexate and serum albumin described in Mol. Pharmacol. (1977) 13, 80-88, and provide high accumulation of (I) in tumours, e.g., up to 6% of the dose administered.
Patent DE-4124930-A1 (DE)
Title: Sacrificial anode wear indicator
IPC: C23F13/22
Filed: 1991-07-25
Abstract: A wear indicator for sacrificial anodes, (51), is fixed to the tank wall (25) by a hollow connection sleeve (18) which is connected, at one end, to an anode body (11) having a test chamber (15) and, at the other end, to a signal cartridge (13) fitted with a transparent cap (32), the interior (20) of which contains a device emitting a signal when the anode body (11) is consumed. The signal emitting device is (i) a hygroscopic capsule contg. an optical indicator, (ii) a membrane (33) or (iii) a push-out pin. The signal emitting device may be a dye-contg. gelatin capsule which is sensitive to humidity increase, a coloured pin which is displaced by incoming water, or an elastic rubber membrane (33) which deforms on pressure increase to fill the cap (32). The membrane (33) may be coloured and is pref. not visible in its initial state. The cap (32) may have a vent hole accommodating a push rod which is actuated by the membrane (33) or the displaceable pin and which operates a circuit-switching device.
Patent DE-4127079-A1 (DE)
Title: Thermoplastic polycarbonate(s) for mfr. of sterilisable equipment - comprising poly:alkylene oxide(s) and aromatic cpds. with isopropyl-substits.
Inventor: GRIGO ULRICH DIPL CHEM DR
IPC: C08L69/00
Filed: 1991-08-16
Abstract: Thermoplatic polycarbonate (I) comprise 0.01-10 wt.% polyalkylene oxides of formula (II); R = H, 1-6C alkyl, 5-6C cycoalkyl, tetrahydropyranyl or silyl; R' = H or 1-6C alkyl; X = 1-100; and 0.01-10 wt.% aromatic cpds. with isopropyl-substits. Also claimed are: (i) the mfr. of (I) by simultaneously or successively feeding the polyalkylene oxides and aromatic cpds. via the polycarbonate melt or soln. into an inert solvent, evaporating off the solvent, cooling and granulating followed by injection moulding to produce mouldings or casting to obtain films; (ii) stabiliser combinations of 0.01-10 wt.pts. (II) and 0.01 wt.pts. aromatic cpds. as above; (iv) polycarbonate mouldings. USE/ADVANTAGE - Mouldings of (I) are used in the mfr. of sterilisable equipment (claimed). (I) is stable against the effect of gamma irradiation.