baber/WOPTO huggingface dataset:
Patent DE-3913303-A1 (DE)
Title: Force feed system for plastics extruder - has hopper with vertical centre screw whose shaft carries horizontal top arms which are inclined and hold inclined blades at ends
Inventor: KRETSCHMAR HANS-WOLF DR
IPC: B01F15/02
Filed: 1989-04-22
Abstract: Force feed arrangement has a conical hopper with cylindrical lower part contg. a vertical feed screw whose shaft passes through the hopper. This screw has a constant dia. and thread(s) inside the hopper; arm(s) is attached to the screw shaft above its top thread end fitted with a blade at its outer end. The leading edge of this revolving arm is set at an acute angle facing the horizontal i.e. is higher than its trailing edge; the blade comprises upper and lower part above and beneath the axis of the arm respectively; the leading edge of the blade is further from the screw shaft than the trailing edge.  The blade so has a set angle to the side of the hopper; the lower blade is in the lower part of the hopper between the side of the hopper and the end thread of the feed screw. ADVANTAGE - Design is suitable for feeding non-pouring materials without clogging or forming baked-on residues.  It can operate continuously for an extruder and maintain a compression on material at the entry area of the screw.
Patent DE-3914042-A1 (DE)
Inventor: HOELSS KURT
IPC: F04C21/00
Filed: 1989-04-28
Abstract: In the pump described here the expansion chamber is hermetically sealed off from the drive unit. In the expansion chamber itself there are no oil-lubricated or grease-lubricated parts, so that the pump may be described as entirely dry. The sealing is achieved by means of a torsional hollow body 5, which is located between a shaft 1 and a pot 6. The shaft 1 performs an oscillating rotary movement which is transmitted to the pot 6. On the latter are segmental pistons 8a and 8b, which oscillate between fixed parts 10a and 10b and so create the pumping effect. 
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Patent DE-3914565-A1 (DE)
Title: Magnetic recording carrier - with first magnetic layer contg. cobalt ferrite and second magnetic layer contg. chromium di:oxide
Inventor: WIMBERSKY WERNER DIPL ING
IPC: G11B5/716
Filed: 1989-05-03
Abstract: In a magnetic recording carrier consisting of a non-magnetic substrate coated with at least two magnetic layers comprising a binder contg. finely dispersed magnetic particles and opt. non-magnetic additives, is that) (i) the first magnetic layer contains acicular Co ferrite particles of coercive force 43.8-55.7 kA/m and BET specific surface 26-34 sq.m./g; and (ii) the second magnetic layer contains acicular Cr dioxide particles of coercive force at least 48.6 kA/m and BET specific surface at least 28 sq.m./g.  Prodn. of the magnetic recording carrier involves applying the first and second magnetic layers in immediate succession without intermediate drying. USE/ADVANTAGE - The magnetic recording carrier is esp. a video and/or audio recording tape.  It has good luminance and chrominance properties, good running properties and extremely low layer thickness and is simple and inexpensive to mfr..
Patent DE-3916357-A1 (DE)
Title: Subterranean storage place - for vertical fuel elements with unloading and transfer spaces
Inventor: HAU GERHARD
IPC: G21F9/34
Filed: 1989-05-19
Abstract: A subterranean storage space for fuel elements in cans includes a transfer space in which the cans are extracted one-by-one from the transport vessel. They are pushed through a lock in the storage space where a turning machine turns them in a vertical position for transfer by a loading machine to the storage place proper. A subterranean transport tunnel(T) leads to the unloading space(E) where the fuel element cans (10) are extracted from the transport vessel (1) on rollers (2) and moved through a lock in the transfer space (Z). A machine turns the cans into the vertical position into a frame which transfers them to a loading machine in the adjacent storage space with racks. ADVANTAGE - This transfers the cans by simple means to a loading machine for placing them in an air cooled storage space.
Patent DE-3917864-A1 (DE)
Title: Electrical switch with potentiometer - has contact track terminated by slot to avoid particle build-up causing problems
Inventor: NIKLEWSKI GERHARD
IPC: H01H1/60
Filed: 1989-06-01
Abstract: A hand-held electrical power tool has a regulator in the form of a variable resistor that has an insulated carrier (2) onto which contact strips (3-5) are formed. Two of the strips (3,5) are of copper and the other is of a resistive material (4). A slider with 3 fingers (8,9,10) moves along the tracks to vary the resistance. One of the tracks terminates with an ' .' shaped slot (15) in the plate and allows particles generated during sliding to fall clear. ADVANTAGE - Allows particles generated by wear to clear contact region.
Patent DE-3932405-A1 (DE)
Title: Control system for neuro-protheses - has inertial sensors coupled to regulating loop for improved control
Inventor: HARTMANN ULRICH DIPL ING DR
IPC: A61N1/08
Filed: 1989-09-28
Abstract: The measurement and regulation system is used for neuromuscular stimulated systems operated in a closed loop mode.  The patient carries gyroscope elements that provide an angular rate measurement as an input to a transformation (52) matrix to provide position data. Acceleration information is provided by inertial sensors (54) that relate to equilibrium of the patient.  Transformed values are fed to a filter (68) and the generated outputs are used in a regulating circuit. ADVANTAGE - Improves equilibrium of patients with neuroprotteses.
Patent DE-3933730-A1 (DE)
Title: Coupling for joining two pressure pipe ends - consists of coupling part and second part with compartment for coupling
Inventor: KESSLER KURT DIPL ING
IPC: F16L37/46
Filed: 1989-10-09
Abstract: The coupling for pressure-pipes has one part (2) which has a coupling-part (10) with two opposite-facing rigidly connected parallel walls (12, 12') containing at least one pressure-pipe connection. The walls (12, 12') enclose a compartment into which fits a coupling part (20) of the second part (4) can protrude. The second part (4) coupling area (20) has coupling sections which move in contrary directions between a position joining and disconnecting the second part (4) pressure lines and the pressure-line connections of the first part (2). USE/ADVANTAGE - Pressure-pipes are easily securely connected without the parts being braced.
Patent DE-3941999-A1 (DE)
Inventor: WELTER ANDREAS
IPC: F16H61/02
Filed: 1989-12-20
Abstract: The invention describes a method for determining a driving factor, which is to represent the driving style of a driver. The driving factor is obtained from an accelerator pedal signal and determined by appropriate conversion in a central evaluation unit (1). In a preferred application, the driving factor is used for controlling an automatic transmission, but it can also be used for controlling other power-assisted units such as power-assisted steering etc. <IMAGE>
Patent DE-4000560-A1 (DE)
Title: Bonded covering for flooring materials - consists of e.g. polyethylene film coated with suitable adhesive to bond to flooring and wall materials and also to itself along overlaps
Inventor: UNGER HELMUT
IPC: C09J7/02
Filed: 1990-01-10
Abstract: A covering for use in the prodn. of flooring and similar materials consists of sheets of plastic film which are laid so as to overlap both the bare floor and also lie between the insulation and flooring. The film used is coated on one side with an adhesive which bonds to concrete,  masonry, insulation and sealing materials. A good type of film for the purpose is polyethylene 0.1-1.5 mm thick. In the example shown the bare floor (10) is first covered over with a film (11) with overlapping edges. This film (10) is coated on the underside and at overlaps with an adhesive, so as to adhere both to the flooring (10) and the wall (13), as well as it overlaps, thus forming a moisture barrier. ADVANTAGE - The covering film is easily attached and removed and is so applied that the overlaps do not open up when the flooring is used. It ensures a high resistance to the diffusion of moisture vapour at the overlap area. The film also seals off the joints between the flooring and edge strips laid along the wall, as a strip of film is easily lifted up to the edge strip and held there.
Patent DE-4002887-A1 (DE)
Title: Stacked fabric separator - by applying oscillation to the grips to overcome adhesion between fabric layers
Inventor: SPIEGELMACHER KURT DIPL ING
IPC: B65H3/22
Filed: 1990-02-01
Abstract: To separate the top layer of a stack of fabrics, or other materials which cling strongly together, the grips are oscillated during all or part of the separating operation by one or more mechanical, pneumatic or electro-mechanical vibrators to give a linear or non-linear oscillation action. The oscillation is of a magnitude to overcome the resistance within the layers to separation.
Patent DE-4004289-A1 (DE)
Title: Workpiece transfer device for multistage metal press - is hydraulically actuated and can be adjusted for height
Inventor: GLEICH REINHARD DIPL ING
IPC: B21D43/05
Filed: 1990-02-13
Abstract: The multi-stage press (1-11) is provided with a mechanism for transferring the metal pressings from one press stage to the next. This mechanism is installed at the side of the press and consists of two parallel bars with projections at each end and arranged transversely to the transport direction. These transverse bars are mounted on support bars arranged in line with the transport direction and moved backwards and forwards by hydraulic cylinders. The mechanism is so arranged that it can be adjusted for height. USE - Multistage presses.
Patent DE-4005310-A1 (DE)
Title: Electrochemical cells with reversible reactions - have anode and cathode materials of transition-metal halide in a liq. electrolyte
Inventor: COETZER JOHAN
IPC: H01M6/36
Filed: 1990-02-20
Abstract: The electrochemical cell contains in the charged condition an anode with active material of T(1)m+X-m in which T(1) is a metal from the first or second group of transition metals, W, Al, Si, Sn or Pb with a valency "m+" and in which X represents a halogen element. The cathode has an active substance T(2)n+X-n in which T(2) is a metal from the same group of metals as T(1), X is a halogen and "n+" is the valency of the metal. The liquid electrolyte E used, which contains the halogen-ions X- as well as an inert cation, does not dissolve the anode and cathode active materials at the operating temp. at any stage of charge or discharge. It is pref. a molten alkali-halide salt of the formula M(1)M(2)Xd in which M(1) is an alkali metal with a valency "b", M(2) is Al or Zn with the valency "-" and d=b+c. USE/ADVANTAGE - The electrochemical cells have a very high charge efficiency and constant voltage during discharge.  The cells can be used as primary or secondary cells.
Patent DE-4010839-A1 (DE)
Inventor: ETZOLD PETER
IPC: F02P17/00
Filed: 1990-04-04
Abstract: Proposed is a device for generating a trigger signal from ignition pulses in an ignition system (11), preferably of an internal-combustion engine. Irrespective of whether ignition initiation is supressed or not, the device always produces, at an output (50), trigger pulses which appear in the ignition system (11). The invention calls for first means (43) for detecting ignition impulses, this means being connected to the primary terminal (22, 23) of an ignition coil (16, 17), as well as second means (44) for detecting ignition pulses which occur in a short-circuiting device (41). In order to combine the signals produced by the two means (43, 44), the invention calls for a device (49) at whose output (50) the trigger signal can be taken off.
Patent DE-4011920-A1 (DE)
Inventor: SEIFERT JOSEF
IPC: G11B33/04
Filed: 1990-04-12
Abstract: In a multi-part recipient for a plurality of disc-shaped recording media (floppy discs), which are received by individual rigid compartments, forming a stack of discs when the recipient is closed and fanning out during the opening process via compartments which are connected to each other in an articulated manner by means of connecting elements, it is proposed that the connecting elements, which preferably take the form of flat connecting webs, are integrally connected to the compartments via film hinges on both sides and that a further articulation be provided in each case in the centre of each connecting element by means of which the connecting elements, in the closed state of the open recipient, are folded back on themselves, and which make it possible for the recipient, in the opened state, to be presented in any desired splayed, stepwise or rosette-shaped form. 
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Patent DE-4013043-A1 (DE)
Title: Multiple outlet current-generating method - involves mixing part of single inlet current with outlet one and varies flow
Inventor: GRUENBERGER RUDOLF
IPC: B60H1/00
Filed: 1990-04-24
Abstract: The method generates several medium outlet currents from a single inlet one variable in temperature and rate of flow. Part of the inlet current is mixed with one or more outlet currents, only their flow rates and not their temperature being varied from the inlet temperature. The system can be used for car heating, with separate conduits for defrosting (DK), the dashboard (SK) and the footwells (FK), also an intake fan (G), a heat-exchanger (T) through which the engine cooling water flows, and an adjustable shutter (WS) determining the proportions of air passing through and bypassing the exchanger, and a mixing chamber (MR) for them. The defroster and/or dashboard conduits are connected by a bypass passage with control shutter to the air intake (E). ADVANTAGE - Supplies outlet currents at different flow rates and temperatures from single intake.
Patent DE-4017003-A1 (DE)
Title: Coupling for bundle of flexible hoses - has coupling nut which can be retracted behind hose nipples
Inventor: ECKER FELIX
IPC: F16L39/02
Filed: 1990-05-26
Abstract: The bundle of flexible hoses (1) are enclosed in a housing (2) with each hose (1) being provided with a nipple (3) to enable it to be connected to a fitting with a corresp. number of sockets.  The coupling joint is secured by a nut (10) with an internal screw thread (11). This nut (10) is attached to a sleeve (8) which supports the nipples (3), by means of a wire ring (13). This wire ring (13) fits in an internal groove (14) in the nut (10) but can slide axially over a limited distance (15) in the sleeve (8).  The nut is thus free to move axially over the sleeve so that the nipples (3) project beyond the nut and are thus more easily inserted in the sockets in the fitting to which the hoses are to be coupled. USE - Coupling for a bundle of flexible hoses.
Patent DE-4020544-A1 (DE)
Title: Adaptor for fork-lift truck - enables fork with four prongs to be attached to vertical slide
Inventor: KAUP OTMAR
IPC: B66F9/14
Filed: 1990-06-28
Abstract: The adaptor is for use with a fork lift truck and provides a lifting fork with four prongs. The adaptor is in the form of a slide with two side members (1) each of which is provided with three rollers (2) which can roll in the vertical guides of the normal slide which is fitted to the truck. These side members (1) support an upper (3) and a lower (4) beam each of which hs a longitudinal T-shaped groove. These grooves receive the T-shaped attachments of beams (7,16) and (18,21). These beams (7,16,18,21) support the four prongs of the lifting fork and can be extended sideways by linear actuators (11,12) and (13,14). USE - Fork lift truck. Adaptor provides four prongs for lifting loads.
Patent DE-4023315-A1 (DE)
Title: Water softening device for household dishwashers etc. - with recycling switch mechanically coupled to electrical selector switch
Inventor: KAEFFERLEIN HEINZ
IPC: A47L15/42
Filed: 1990-07-21
Abstract: A water softening device is for household dishwashers and washing machines and incorporates a magnetic valve in the cold water supply unit, a motor-driven program switch mechanism and a water chamber. A vol. chamber that can be emptied into a salt vessel is integrated into the water chamber and the emtpying of the vol. chamber is controlled by a recycling switch. The switch is mechanically coupled to an electrical switch the individual switch postions of which can be adjusted to one or several recycling switch positions with regard to the control of the magnetic valve. ADVANTAGE - Optimises water consumption for the rinsing of the required recycling water or mass capacity.
Patent DE-4026658-A1 (DE)
Title: Pressure control for load breaking couplings - has regulating valve with shock absorber and pre tensioning piston arrangement
Inventor: EHRLINGER FRIEDRICH
IPC: F16H61/06
Filed: 1990-08-23
Abstract: The pressure-control for load-breaking couplings (K1-Kx) in a load-breaking gear has a regulating valve (1) acting together with a shock-absorber (2). The pre-tensioning piston arrangement (3) cooperating with the piston (21) of the shock-absorber (2) shortens the path of the damper-piston (21) towards the control-valve (1), and thereby the time for the sliding phase in the coupling (K1-K4,Kv,Kr). The friction is reduced after the coupling (K2-K4) has been filled, in conjunction with a higher initial pressure (Pa2). USE/ADVANTAGE - The sliding time and coupling pressure can be altered for different gear changes.
Patent DE-4028149-A1 (DE)
Title: Electronic multiplier-divider circuit -  has shift register switchable betweenuse as product and divided register
Inventor: MERKLE PAUL
IPC: G06F7/52
Filed: 1990-09-05
Abstract: An electronic multiplier-divider circuit generates the products and quotients by a real method and contains a switchable parallel-addition-subtraction circuit.  Only each third, fourth, fifth or sixth pulse causes a parallel addition or subtraction or, in exceptional cases, a shift. The circuit can contain two four-cycle pulse circuits, in which case every fourth pulse causes a parallel addition or subtraction as long as the pulse does not cause a shift. USE/ADVANTAGE - Contains shift register which can be changed over between use for division or multiplication.
Patent DE-4033070-A1 (DE)
Title: Sepg. solid fluid mixts. using centrifuge - involves removing part of fluid from fluid outlet area of centrifuge and/or reducing fluid vol. in centrifuge to set surface liq. level
Inventor: SCHILP REINHOLD DR
IPC: B04B1/20
Filed: 1990-10-18
Abstract: In a centrifuge used to separate solids and fluids, part of the fluid phase may reach solids which have already sepd. during the start up phase, and egress with these as impurities from the centrifuge. The novelty is that during the initial phase of centrifuge rotaitn, part of the fluid is removed from the fluid outlet area of the centrifuge, and/or the vol. of fluid in the centrifuge is reduced to a set surface liq. level which is maintained in the centrifuge. The fluid surface is positioned at a greater distance from the drum shaft axis than is the solid outlet. USE/ADVANTAGE - It is claimed that the arrangement prevents the unwanted incorporation of fluid in with the solid.
Patent DE-4036804-A1 (DE)
Title: Instruments for decompression of cervical narrow spinal channel - act to remove dorsal edge points of vertebrae and ventral bridge building of damaged segments
Inventor: SCHNEIDER MANFRED PROF DR
IPC: A61B17/00
Filed: 1990-11-19
Abstract: A guide and support casing is introduced percutaneously together with an osteophyte milling system integrated in a rinsing and suction device. The osteophyte milling system comprises two spring steel plates which are curved outwards. The plates are anchored in a drive shaft, and are guided in a positioning tube. By rotation of the tube, the plates can be completely lowered, and if the tube is then turned in the opposite direction, the plates are exposed and freed. The first operative position involves rotating the tube backwards by 2mm, presenting two laterally forward pointing cutting surfaces. With further freeing of the plates, they can be adjusted at an angle of 90 deg. to the drive shaft. Drawing the milling system slightly backwards, the milling segments come into contact with the oseophytes. The drive shaft is connected to a motor, and executes an oscillating movement. USE - For the surgical rectification of cervical spine irregularities, partic. the removal of osteophytes.
Patent DE-4040851-A1 (DE)
Title: Tube base connection for heat exchanger - uses combination tool to bell-out tube end either side of flange
Inventor: FUCHS WERNER DIPL ING
IPC: F28F9/16
Filed: 1990-12-20
Abstract: The connection is esp. for use in an IC engine power plant.  It is for a heat exchanger with one or more tubes, fastened in the openings of a base. The tube end is placed in an opening in the base and is belled-out by a combination tool above a flange, with expanded areas (3b) on the side of the base opening opposite to the flange. An expanding tool tip (4b) of smaller diameter, is  inserted into the tube (3) to below the opening and the areas are formed by a multiple pendulum movement of the tool, at an angle of 20-60 deg. relative to a longitudinal tube axis (8), about a pivot point (5) between flange centre and one flange end (2a). Similar expanded areas (3d) are simultaneously formed above the flange. USE - Tube connection for IC engine radiator on cabin heater for aircraft.
Patent DE-4102259-A1 (DE)
Title: Prodn. of shapes e.g. artificial bones - by using computer-controlled laser beam to cure suitable liq. in successive layers corresp. to contours of scanned master article
Inventor: KRANZ CURT DR ING
IPC: B29C67/00
Filed: 1991-01-23
Abstract: A method of producing any desired shapes of articles, and partic. osteoplasty or endoprostheses, uses a bath filled with liq. which cures in high energy irradiation, a holder for the article (and a tray in particular), which is directed on to the surface of the liq.. The beam of irradiation can be moved about to cure shapes in the surface, the layers of these shapes forming the volume of the article to be produced and the holder (for the article) being dipped to successively greater depths. Numerical details of the surface coordinates and density of an original article are at least partly determined computer-topographically in layers by scanning. These data are fed to a store and control data are coordinated with them to activate and move the irradiating source. ADVANTAGE - The method is partic. useful for producing artificial bones in plastic surgery. It simplifies recording the details concerned and broadens the range of applications of the equipment used.
Patent DE-4104869-A1 (DE)
Title: Redn. of foam in protein-contg. water e.g. in abattoirs - by addn. of a modified amide and urea gp.-contg. polyether effective at low and high temps.
Inventor: RASP CHRISTIAN DR
IPC: B01D19/04
Filed: 1991-02-17
Abstract: Redn. of foam in protein-contg. water is effected by addn. of a modified polyether of formula R-(OCHR1.CHR2)x-(OCHR3.CHR4)y-OR5 (I). In (I) R = a gp. of formula (II); R6 = 6-20C alkylene, 6-20C cycloalkylene or 6-20C arylene, each of the latter 2 values opt. substd. by 1-4C alkyl or halogen; R7 = 2-14C alkylene or 3-14C cycloalkylene; R8 = -(OCHR1-CHR2)x-(OCHR3.CHR4)y-OR5; R1-4 = H or Me; R5 = 1-18C alkyl, 6-18C aryl, 7-18C aralkyl or 7-18C alkaryl; and x and y = 5-100. (I) can also be used in conjunction with specified non-modified EO/PO polyethers. USE/ADVANTAGE - (I) is suitable for use in waste-water from abattoirs. Unlike the defoamants of DE 3315951, it is effective at both low and high temps. Amt. used is pref. 0.5-200 ppm, wt., esp. in well distributed form (e.g. by first mixing with water or non-modified EO/PO polyethers and the stirring after addn. to the waste water which pref. contains 50 ppm-0.5 wt.% protein). .