baber/WOPTO huggingface dataset:
Patent DE-4316895-A1 (DE)
Title: Polyvinyl alcohol graft copolymers prodn. - by radical copolymerisation of vinyl acetate with a vinyl:silane-terminated polystyrene macromer, followed by hydrolysis
Inventor: OOURA MAKOTO
IPC: C08F2/42
Filed: 1993-05-19
Abstract: PVA graft copolymers (A) are contain vinyl alcohol units of formula (I) and polystyrene units of formula (II). In the formulae, R1, R2 = H, halo or 1-8C alkyl; R3 = alkyl, alkoxy, amino or OH; n = positive integer. Also claimed is the prodn. of polymers (A) by radical copolymerisation of vinyl acetate (VA) and the corresp. polystyrene (PS-I) with terminal vinylsilane gps. of formula -SiR1R2-CH=CH, followed by hydrolysis. USE/ADVANTAGE - Provides polymers (A) with a very narrow mol. wt. distribution, with properties which can be varied over a very wide range to meet the requirements of different applications (polymer blends, surfactant compsns., dispersants etc.). Thus, properties such as polymer compatibility and hydrophilicity/hydrophobicity, etc. can be adjusted by varying the mol. wt. of the PS chain, the comonomer ratio or the degree of polymerisation of the main chain.
Patent DE-4319212-A1 (DE)
Title: Process for isolating 2,4,6-triaminotoluene obtained by hydrogenating TNT
Inventor: SCHOLLES HERBERT DR RER NAT
IPC: C07C209/86
Filed: 1993-06-09
Abstract: The invention relates to a process for isolating 2,4,6-triaminotoluene, obtained by hydrogenating 2,4,6-trinitrotoluene, from a solution comprising water and alcohol, in particular methyl alcohol, as the solvent, the 2,4,6-triaminotoluene solution being subjected in a first step to a thin-film evaporation step under a nitrogen atmosphere in a temperature range from approximately 35 DEG C to approximately 55 DEG C until most of the organic component of the solvent has evaporated, whereupon, in a second step, the product is subjected to a freeze-drying step or a further thin-film evaporation step, the latter in a temperature range from approximately 90 DEG C to approximately 145 DEG C. This allows an economical isolation of the product in storage-stable form.
Patent DE-4320334-A1 (DE)
Title: Fastening element, comprising an expansion dowel and a nail element
Inventor: FISCHER ARTUR PROF DR
IPC: E04F13/08
Filed: 1993-06-21
Abstract: Fastening elements which comprise an expansion dowel and a nail element and, in the event of being driven in, produce a high degree of friction between the nail element and the expansion dowel are known. In order to avoid the expansion dowel slipping down deeper and thus also to permit anchorage in soft construction materials and the fastening of insulating-material panels, the invention proposes a nail element having a rectangular profile, a head part and a tongue-like tip located opposite the head part, the receiving duct in the dowel corresponding to the profile of the nail element and being offset through 90 degrees with respect to the slit plane.
Patent DE-4324158-A1 (DE)
Title: Fluid valve with tubular housing - is operated by operating handle attached to outer end of inner body which has attachments sliding on centre piece to move closing body longitudinally.
Inventor: FOMINAYA AGULLO PABLO
IPC: F16K31/524
Filed: 1993-07-19
Abstract: The opening and closing mechanism has an inner body (5) with curved passage (7) and seals and connected at its outer end to the turning handle (4) which operates the mechanism. Its opposite end is connected to a middle piece (10) which is axially displaced when the handle is turned This inner end has attachments (8) which slide on an inclined or spiral surface (9) on the centre piece. A closing element (19) fixedly connected to the centre piece sits on a seal (17) when the valve is closed. The rotary movement on the operating handle is converted into a longitudinal movement of the closing body. The centre piece has passages (11) for the fluid and a tubular section (12) with longitudinal grooves (13) into which engage the projections on a tube (15) which is fixed coaxial inside the housing. A stabilising spring (21) is set axially inside the tubular section and is supported on the ring-like projection (16) and centre piece. USE/ADVANTAGE - Fluid valve with tubular housing gives easier operation requiring only a quarter turn.
Patent DE-4325129-A1 (DE)
Title: Heat-transfer method of fastening individual ribs to tubes
Inventor: KOEBEL THOMAS DIPL ING
IPC: B23K26/28
Filed: 1993-07-27
Abstract: After individual ribs (2) are drawn onto a tube (1), a laser source (6) is positively guided in the longitudinal direction of the tube (1) and a laser welding beam (LSS) is passed over the tube (1) while being aligned with the longitudinal axis (7) of the tube (1) and focussed on the gap between the rib feet (3) and the tube surface (4). The laser welding beam (LSS) secures the individual ribs (2) to the tube (1). The tube (1) is then fed to a zinc bath. In addition, the laser welding beam (LSS) can be moved repeatedly in the longitudinal direction of the tube (1) while fixing the individual ribs (2), the tube (1) being rotated by n/360 DEG  at the end of the welding paths (8). Furthermore, a laser welding beam (LSS) can be split at least once in a beam-splitting device (13), and a split welding beam (TSS1) can be directed straight towards the longitudinal axis (7) of the tube (1) and can be also focussed on the gap between the rib feet (3) and the tube surface (4), and a further split welding beam (TSS2) can be directed past the tube (1) up to a beam-deflecting device (14), deflected here, and directed from here towards the longitudinal axis (7) of the tube (1) and focussed on the gap. <IMAGE>
Patent DE-4326242-A1 (DE)
Title: Device for the sealed introduction of a cable into a switching cabinet
Inventor: BLUM RICHARD
IPC: H02B1/30
Filed: 1993-08-02
Abstract: A device for the sealed introduction of a cable or a lead into a switching cabinet comprises an entry plate (4), which is supported in the switching cabinet, and a sealing element (16) which can be mounted thereon by means of strips (13, 15) of an adhesive agent and is composed of material like sponge rubber. The entry plate (4) and the sealing element (16) have subelements (20; 10, 22) which can be cut off in order to form a passage opening or through opening for the cable/the lead. Adhesive tape, adhesive strip and magnetic strip are suitable as the adhesive agent. The sealing element can be air-permeable. <IMAGE>
Patent DE-4330055-A1 (DE)
Title: Steering system for motor vehicle - has situation feedback adjustment effected in linear zone where wheel side guide force alters with wheel side slip angle
Inventor: NAGOKA MITSURU
IPC: B62D6/00
Filed: 1993-09-06
Abstract: The steering system contains a steering wheel (1), front wheels (2), rear wheels (3), a front wheel steering unit (10) as a reaction to the operation of the steering wheel, and a rear wheel steering unit (20) for steering the rear wheels (3) as a reaction on the front wheels (2). The front wheel steering unit (10) has a relay rod (11) which extends in the cross direction of the vehicle. The rod is connected to each front wheel (2) via a drawbar (12) and a link arm (13), and contains a toothed rod mechanism (14). This mechanism moves the relay rod (11) from left ro right. In other words, the front wheels are steered at an angle which is proportional to the input extent of the steering wheel (1). USE/ADVANTAGE - To ensure stability of motor vehicle when dynamic characteristic line of vehicle fulfils transition from linear zone to one nonlinear.
Patent DE-4339078-A1 (DE)
Title: Flame-proofing, mildew-proofing and moth-proofing keratin fibres
Inventor: AULENBACHER FRANK
IPC: D06M11/82
Filed: 1993-11-16
Abstract: A process for improving flame resistance and resistance towards mould, pests and bacteria comprises treating natural keratin fibres, esp. sheep's wool (a) with a soln. or emulsion with a pH of 0.5-5 contg. iron salt(s) or complex(es) (I), and then (b) with a soln. or emulsion with a pH of 7-11 contg. cpd(s). with boron-oxygen bonds (II), so that the treated, opt. mixed fibres have a wt. increase of 0.1-20%. Pref. fibres consist of cellulose, synthetic polyamide, synthetic, water-swellable but insol. polymer or porous polymer other than polyamide, or mixts. of at least two of these types.
Patent DE-4403707-A1 (DE)
Inventor: HUELSMANN DIETER
IPC: H02M7/5383
Filed: 1994-02-07
Abstract: A regulated power supply unit with an "electronic transformer" having an input for a transformer power supply voltage on the primary side, an output for an operating a.c. voltage with a higher-frequency component on the secondary side and a control device with a variable resistor by means of which the operating a.c. voltage may be set. There is an inductive or capacitive separator component by means of which the higher-frequency component of the operating a.c. voltage can be separated out and taken as the input voltage to a first and a second rectifier circuit. The output voltage of the first rectifier circuit is applied to an amplifier-comparator circuit as its supply voltage. A reference generator circuit is connected to the first rectifier circuit and to the amplifier-comparator circuit. A reference for the operating a.c. voltage can be set by the reference generator circuit. An actual value is derived from the output voltage of the second rectifier circuit and taken to the amplifier-comparator circuit, at the output of which an error signal may be taken. A transistor constitutes the variable resistor and is controlled by the error signal from the amplifier-comparator circuit.
Patent DE-4407514-A1 (DE)
Title: Branching or connecting sleeve esp. for low-voltage underground cable
Inventor: KUNZMANN JENS-PETER
IPC: H01R4/24
Filed: 1994-03-07
Abstract: The connecting sleeve is for use with a core (10) of the main conductor which is laid on a raised surface in the centre of the floor of the outer housing (1). A contact element (5) inserted between the main core and the branch (11) has points long enough to penetrate the insulations when the outer housing is tightened around the inner (2). The remaining interior space is substantially filled with a sealing element of elastic and water-repellent material under tension, giving a watertight seal at the points of contact with both cores.
Patent DE-4408653-A1 (DE)
Title: Method for tightening of threaded fasteners using preset torque
IPC: B25B23/14
Filed: 1994-03-15
Abstract: The method employs two take-off shafts, one (1) for release of threaded fasteners, the other one (2) for tightening. A distance unit (3) is located orthogonally to the shafts, and has one or more masses (4) fastened to its ends. An impact tool (5) consists of hammer part and anvil part. One or more energy accumulators (8) are used to form a connection between the take-off unit (1,2) and the centrifugal mass system (3,4). The take-off unit may be pivoted into the distance unit, to save space. The pivot angle is continuously adjustable, for use in tight spaces.
Patent DE-4409428-A1 (DE)
Title: Process for the preparation of sulphonated dispersing agents
Inventor: MARCOTULLIO ARMANDO
IPC: C09K23/00
Filed: 1994-03-18
Abstract: A process for the preparation of water-soluble sulphonated dispersing agents by reacting sulphur dioxide with aromatic fractions in a weight ratio which is in the range from 0.8 : 1 to 1.5 : 1, the reaction taking place by means of:   (1) a first step of the substantial sulphonation of the aromatic fractions in the presence of SO2, with a dominantly sulphonated product formed here; (2) a subsequent step of the removal of SO2 and heating of the solid sulphonated product to a temperature in the range from 70 DEG C to 110 DEG C; these two steps being carried out under the conditions in which the solid sulphonate is comminuted or pulverised and kept in motion.
Patent DE-4409845-A1 (DE)
Title: Device for spraying the eyes
Inventor: CHI IMMANUEL
IPC: A61M15/00
Filed: 1994-02-17
Abstract: A device for spraying the eyes comprises a spray device which is provided with a housing part, a spray head and a cup-shaped outlet orifice. In the spray head there is a spraying agent path which opens at one end in the cup-shaped outlet orifice via an atomisation nozzle. This spray device can be attached to a commercially available spray can such that the other end of the spraying agent path is connected to an outlet orifice of the spray can, so that spraying agent passes from the spray can through the spraying agent path via the spray head into the cup-shaped outlet orifice on actuation of a spray head and uniformly sprays an eye located in front of the cup-shaped outlet orifice.
Patent DE-4414382-A1 (DE)
Title: Water circulation channel (duct)
Inventor: DOEGE KLAUS DR ING
IPC: A63B69/12
Filed: 1994-04-25
Abstract: Channel for water guidance in a closed, horizontally arranged circuit, in which the water delivery device is arranged to the side of a measurement section which makes access possible to the water surface. By means of the arrangement and configuration of further water-guiding elements, such as expansion bends and reduction bends, it is possible to configure the channel to be very compact, the flow losses being kept low.
Patent DE-4414886-A1 (DE)
Inventor: HERTELENDI JOSEF
IPC: B25B23/14
Filed: 1994-04-28
Abstract: The drive shaft (5) has an associated hydraulically charged drive unit (17). An overriding clutch (22) is located between drive shaft and drive unit. The unit consists of a toothed rack, which is movable in a hydraulic cylinder at right angles to the longitudinal direction of the drive shaft. The rack engages with a toothed gear of the clutch. <IMAGE>
Patent DE-4420357-A1 (DE)
Title: Magazining system for mechanical handling of palettes etc.
Inventor: SCHAIB ALBERT
IPC: B62B3/00
Filed: 1994-06-10
Abstract: The system has a lifting device (21) to handle all palette stacks etc (9,10). A lower and an upper longitudinal transporter (22,23) exchange at least one upper and lower palette between the stacks. At least one stack is open at the top, for manual and/or automatic handling or insertion of workpieces etc. For manual handling, the top palette is positioned at an ergonomically favourable height. Two palette stacks may be located next to each other in a storage trolley (2), and are moved sidewards in phases.
Patent DE-4421679-A1 (DE)
Title: Clutch mechanism, particularly for motor vehicles
Inventor: DEROO PIERRE-MARIE
IPC: F16D13/58
Filed: 1994-06-23
Abstract: The invention relates to a clutch mechanism comprising a cover (11) by means of which it can be mounted on a disc flywheel (12), a pressure plate (13) which is connected rigidly in terms of rotation to the cover (11) and can, at the same time, be moved axially relative to the latter, and a diaphragm spring (16) which is supported on the cover (11) and rests against the pressure plate (13). According to the invention, supporting means are attached at least locally to the diaphragm spring (16) to support the diaphragm spring (16) on the pressure plate (13). These supporting means are produced separately from this diaphragm spring (16) and are connected rigidly to it in a suitable manner. Application to clutches, especially for motor vehicles. <IMAGE>
Patent DE-4424534-A1 (DE)
Inventor: OEHLER HERMANN
IPC: B23B27/04
Filed: 1994-07-12
Abstract: The invention relates to a tool for changing a cutting tip (41) clamped in a seat in a tip holder between two arms (42). The tip (40) can be easily and quickly changed since there is a first support (30) on a base (20), supported on a seat in the tip holder, a second support (31) is provided, spaced from the first, arranged on another seat in the region of an arm portion (42) of the seat or supported on the tip (41), and at least one of the two supports (30, 31) is eccentrically movable about a pivot (12) by means of an actuating element (10) in such a way that the distance between the two supports (30, 31) can be altered.
Patent DE-4428927-A1 (DE)
Title: Determining and indicating of power applied by muscle power to bicycle drive crank
Inventor: OBERHEIM WOLFGANG DR
IPC: A63B69/16
Filed: 1994-08-16
Abstract: The measurement results obtained by the computer and indicated on a display. The entire mass of the bicycle and the muscle power applied by the rider are manually entered. During a wheel revolution, a number of circle frequency measurements are carried ut, and the measured values are supplied to the computer. From the results, taking account of the mechanical characteristic values of the bicycle, a sequence of instantaneous speed values, and from these a sequence of acceleration values are computed. The instantaneous produced power is determined as a product from the mass, the acceleration and the instantaneous speed by numerical evaluation of the movement of the movement equation and the system condition power components entered in this, for the drive power of the rider, the air resistance, the friction and the slope up or down of the road.
Patent DE-4432127-A1 (DE)
Inventor: HOFFMANN HANS-RAINER DR
IPC: A01G7/06
Filed: 1994-09-09
Abstract: The invention concerns a method of implanting moulded bodies containing active substances into plants, wherein spaces for accommodating the moulded bodies in the plants are only produced when said bodies are introduced into these plants.
Patent DE-4433794-A1 (DE)
Title: Racquet for tennis or similar games
Inventor: KUEBLER SIEGFRIED
IPC: A63B60/54
Filed: 1994-09-22
Abstract: The racquet has strings which are tensioned in a frame made from a moulded hollow rod (14) and a handgrip. Granules (38) or particles such as sand or lead spheres can be incorporated into receptacles (44) in order to alter the weight and balance of the racquet. At least one receptacle is arranged on the outer surface (34) of the moulded rod, and may have a covering strip (36) for protection. The strip may also divide the receptacle into separate spaces. The receptacles may be aligned longitudinally with the head of the racquet, or longitudinally or transversely with the handgrip.
Patent DE-4436545-A1 (DE)
Title: Damping seal
Inventor: NIJLAND PETER L J
IPC: F16L55/04
Filed: 1994-10-13
Abstract: The present invention relates to a damping seal which is used for sealing off a pipe, such as a fuel nozzle, in a housing, e.g. a fuel canister or tank. The damping seal provides increased sealing performance when the pressure in the interior of the housing rises, and furthermore damps vibrations which may occur between the housing and the pipe. The damping seal has a damping section which has outer and inner protuberances which extend in the longitudinal direction in order to define outer and inner contact surfaces for the damping seal. The inner and outer protuberances are offset relative to one another in the circumferential direction in order to increase the vibration-damping properties of the damping seal. In addition, inner and outer seals, which have a U-shaped channel arranged between them, are provided for sealing on a pipe or on a housing, the U-shaped channel facilitating or ensuring firm loading or preloading of the inner and outer seals into engagement with the interacting surfaces in the presence of a fluid pressure. <IMAGE>
Patent DE-4436919-A1 (DE)
Title: Application unit for tribostatic powder enamel coating using tribogun
Inventor: LEONOV BORIS PETROVIC DR ING
IPC: B05B5/047
Filed: 1994-10-15
Abstract: The two ducts of the electrisator (5) are hermetically separated from each other by a partition. A cylindrical feeder (2) is provided, which is arranged with a membrane inside for producing air turbulence also a pneumatically operated control unit (3). The tribostatic electrisator (5) of the tribo gun (1) is arranged, so that one spiral duct (13) on one side is connected with the line (4b) leading to the feeder (2) across the control system (3). The other spiral shaped duct (14) arranged rotated 180 deg  on the opposite side is connected with a spray nozzle (6). The two ducts are separated by an intermediate partition (15). Which in the geometric centre point in the electrisator plate has an opening passing through the two spiral shaped ducts (13,14). So that the two ducts are connected one behind the other.
Patent DE-4438655-A1 (DE)
Title: Producing a hard magnetic body based on neodymium-iron@-boron@ system
Inventor: WECKER JOACHIM DIPL PHYS DR
IPC: C22C1/04
Filed: 1994-10-28
Abstract: Process for producing a hard magnetic body on the basis of an Nd-Fe-B system having increased magnetic remanence compared to the Nd2Fe14B hard magnetic phase by powder metallurgy comprises: (a) mixing together powder of elements, cpds. or alloys of Nd, Fe and B using an over stoichiometric amt. of Fe compared with the amt. needed for the hard magnetic phase; (b) intensively grinding together to produce a predominantly crystalline unordered matrix contg. nano-crystalline Fe particles; and then (c) coupling and annealing to produce a nano-crystalline composite structure of the hard magnetic phase and soft magnetic Fe phase.
Patent DE-4441919-A1 (DE)
Title: Centrifugal clutch for power operated appliance e.g. chain-saw or hedge-trimmer
Inventor: JANSSON HANS GUSTAV
IPC: F16D43/18
Filed: 1994-11-24
Abstract: The clutch comprises a hub and a pair of clutch shoes which are rotatable mounted on the hub. The clutch shoes are held in a disengaged position by two tension spring. One end of each of two tension springs (19,20) is joined top one of a pair of coupling shoes. The other end of each spring is joined to the other coupling shoe of the pair. The hub part (10) and the coupling shoes (16,17) are axially joined to each other by guide pieces (25,26). The hub has protuberances (26) which touch matching support surfaces on the coupling shoes. The elastic force supplied by the tension springs provides a mounting free of backlash between the shoes and the hub part.
Patent DE-4442753-A1 (DE)
Inventor: SCHULER JOACHIM DR
IPC: C07F7/12
Filed: 1994-12-01
Abstract: Alkylhydridochlorosilanes of formula R(4-n-)SiClnHm (I), obtd. by catalytic reaction of alkylchlorosilanes of formula R(4--)SiClp (II) with H2, are claimed: m, n = 1 or 2 and (m+n) = at most 3; R = 1-5 C alkyl; p = 1, 2 or 3.
Patent DE-4443390-A1 (DE)
Inventor: BOEHM HANS-JOACHIM DR
IPC: A61K38/55
Filed: 1994-12-06
Abstract: The invention pertains to compounds of formula (I), wherein R<1>, A and B are as indicated in the description, and to their preparation. The new compounds can be used for combatting diseases.
Patent DE-4443714-A1 (DE)
Inventor: HEILMANN KLAUS
IPC: A61M39/18
Filed: 1994-12-09
Abstract: The control has at least one extra socket which takes a coupling or connection (4) detachably joined. The cylindrical housing (1) contains at least one movable closure piece (10). The rotary appliance (5) for controlling the fluid flow through the housing has an arcuate cam for transmitting radial movement to the closure piece.   The rotary appliance for sealing the sockets (3) has a rotary cylindrical seal (7) with side openings, and joined to a rotary handle (6). At most two sockets are open at the same time for conveying the fluid through.
Patent DE-4445906-A1 (DE)
Title: Sensing device with sensor element spring-loaded within housing, e.g. strain-gauge pressure sensor
Inventor: HEILMANN MATTHIAS ERICH DIPL I
IPC: G01L9/00
Filed: 1994-12-22
Abstract: The sensor has a platelike cylindrical sensing element (10) of e.g. pressure-sensitive ceramic with conventional strain-gauge attachments is enclosed in a housing (12) formed of upper and lower sections (14,16) each contg. an annular groove (24) concentric with the connection (18) to a space in which the pressure is to be measured. Each groove accommodates a toroidal coil spring (22) giving a uniform distribution of gripping force on the element, which is sepd. from the lower section (16) by an O-ring (28) to prevent leakage of the pressurised fluid into the environment.