baber/WOPTO huggingface dataset:
Patent DE-4036410-A1 (DE)
Inventor: SCHNEIDER HELMUTH DIPL ING
IPC: E06B9/02
Filed: 1990-11-15
Abstract: The invention refers to a roller shutter rod of stable shape, consisting of an aluminum strip plastic-coated on one side at least in part, and roll-formed into a hollow section 18 with the coated side inwards, the hollow section featuring upper and lower connecting areas with double-layer aluminum strip and an inside wall 14 as well as an outside wall 13, said hollow section featuring for the increase of the longitudinal stiffness and durability of the roller shutter rod at least one contact point 15, at which at least two aluminum strip layers are bonded with one another.
Patent DE-4041167-A1 (DE)
Title: Robotic arm for zero gravity e.g. in space - uses gyro compensators for working torques
Inventor: GOTTLIEB STEPHAN DIPL ING
IPC: B25J19/00
Filed: 1990-12-21
Abstract: The robotic arm is mounted on a torque compensator in which each axis is fitted with gyros to counteract in which each axis is fitted with gyros to counteract any dynamic forces from the working movements. Each gyro axis has two gyros operating in opposing directions with a basic speed. The speed/torque os the gyros is adjusted w.r.t the arm operation to provide a balanced total system. The gyro adjustment is via. braking/accelerating drives using stored energy in batteries and with reversible effect motors. A residual drive is applied to overcome hysteresis/frictional losses. Torque can also be adjusted by adjustable bob weights on the gyros. ADVANTAGE - Allows rapid movements of robotic arm; simple spacecraft control.
Patent DE-4042073-A1 (DE)
Title: Spool winding machine with two driven rollers - has spool supporting belt adjoining minimum 30 per cent of belt circumference
Inventor: SCHMUCK HANS-PETER
IPC: B65H51/005
Filed: 1990-12-28
Abstract: The spool winding machine has two driven rollers looped by an endless belt. The driven rollers (5,6) are spaced from each other and the belt (10) is of such length that the spool is only supported by the free section of the upper side (11) of the belt (10) wherein the belt adjoins the spool over more than 30% of the circumference, pref. 35 to 45 percent. The lower side (12) of the belt (10) can be placed over a third roller (9) whose axis is located beneath the axes of the other two driven rollers (5,6). ADVANTAGE - Since the spool is not supported by the driven rollers the belt can be comparatively long so that the free upper side can hang low through the spool weight.
Patent DE-4101130-A1 (DE)
Title: MOSFET with source and drain regions - enclosed by opposite conductivity type basin layers
Inventor: OKUMURA YOSHINORI
IPC: H01L21/265
Filed: 1991-01-16
Abstract: A MOSFET includes a charge carrier flow control transistor having a gate, formed on a semiconductor for substrate, and first and second source/drain regions of first conductivity type. First and second basins of second conductivity type are formed on opposite sides of the gate, and are spaced from one another at the substrate surface, and the first basin enclosing the first source/drain region and the second basin enclosing the second source/drain region. Prodn. of the MOSFET involves (i) forming a gate on main face of a semiconductor substrate; (ii) implanting second conductivity type impurities into the substrate surface using the gate as mask for forming the first and second basins; and (iii) implanting first conductivity type impurity ions into the substrate surface using the gate as mask to form a first source/drain region in the first basin and a second source/drain region in the second basin. ADVANTAGE - The MOSFET has high breakdown resistance, freedom from mechanical stresses, low threshold voltage and short switching time. The processes do not require a high temp. heat treatment step, can be carried out on large dia. wafers and avoid variations in device characteristics from the centre to the periphery of the substrate.
Patent DE-4103642-A1 (DE)
IPC: G01K7/18
Filed: 1991-02-07
Abstract: A temperature sensor is assembled like a pipe heating body from a metallic pipe jacket (15) with an internal resistance wire coil (26) embedded in an insulating mass (31) and also closure pieces (16) with electrical connector elements (23), so that a very simple, robust and high-temperature-resistant temperature sensor results, with a measuring range of up to e.g. about 750 DEG C. The jacket of the temperature sensor can be earthed. A measurement current in the mA range at a measurement voltage in the mV range is expediently provided for the operation of the temperature sensor, the temperature-dependent changes of the current being conditioned by means of an electronic amplifier. 
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Patent DE-4105222-A1 (DE)
Title: Single rod micro measurement chain for in vivo pharmacological use - has carbon fibre microelectrodes mounted on surface of metal counter electrode with insulation
Inventor: SCHAEFER WIELAND DR
IPC: G01N27/403
Filed: 1991-02-20
Abstract: A single rod micromeasurement chain has electrically isolated carbon fibres (1) arranged about and on the surface of a metal body (3). Both the ends and parts of the lateral surfaces of the fibres operate as working electrodes and the metal surfaces as counter electrodes. The fibres and the metal body are separately electrically contacted. The metal body is pref. made of a rare metal or a metallic material used for surgical instruments. USE/ADVANTAGE - For in vivo pharmological measurements. Carbon fibre microelectrodes and counter electrodes are combined into single unit with improved characteristics.
Patent DE-4108483-A1 (DE)
Title: Diaphragm of short and long fibre fluoro-polymer modified asbestos - giving stable operating parameters e.g. in alkali chloride electrolysis
Inventor: KOELLING HARTMUTH DR RER NAT
IPC: C25B13/04
Filed: 1991-03-15
Abstract: Asbestos diaphragm modified with fluorinated polymer (I) is based on a mixt. of short-fibre asbestos (mixt.) (II) and at least 20 (wt.)% long-fibre asbestos (mixt.) (III). When tested with a Turner-Newall wet classifier, the residue on the 1st sieve is at least 3% for (II) and at least 18% for (III) and the dust fraction is max. 40% for (II) and max. 30% for (III). USE/ADVANTAGE - Useful in electrolytic cells, esp. for alkali chloride electrolysis. Its operating parameters are good and remain constant for long periods. In an example, the diaphragm for a 120 kA cell was prepd. from 21 cu.m aq. soln. contg. 110 g/l NaOH and ca. 200 g/l NaCl, 100.8 kg (III) (40%) (39.90% on first sieve; 24.37% dust), 50.4 kg (II) (20%) (7.65% on first sieve; 35.81% dust) and 100.8 kg (III) (40%) (19.59% on first sieve; 13.37% dust). 63 kg fine PTFE powder (20% w.r.t. asbestos) were stirred into the asbestos suspension in 4 portions, each in 20 l water contg. 2 g/l wetting agent. The suspension was stirred with air for 1 h. 100-110 kg of the asbestos/PTFE mixt. were deposited on a 60 m2 cathode by suction and dried in vacuo at room temp., in an oven at 90 deg.C for 9 h and sintered 0.5 h at 380 deg.C. In alkali chloride electrolysis, the average operating parameters were: NaOH content of catholyte 134-137 g/l; NaClO3 content of catholyte 0.18-0.14 g/l; and total operating time 474 days.
Patent DE-4109971-A1 (DE)
Inventor: GERSEMSKY UDO DIPL ING
IPC: B66C11/06
Filed: 1991-03-22
Abstract: The invention relates to travelling gear for running on the lower flange of a monorail, having load-bearing running wheels on the two sides of an L-shaped travel rail on which front and rear lateral guide rollers, mounted on perpendicular axles, of the running gear loaded on one side by a travel motor rest. 
<??>In order to prevent pitching movements and lateral swinging of the travelling gear as a result of swinging of the hoisting gear suspended from the travelling gear with its load, it is proposed according to the invention that at least one support roller carrier (5) be coupled at least to the travelling gear side carrier (2) lying opposite the travel motor coaxially with respect to the axle (7) of one of the guide rollers (4) and that it should rest, at the end lying opposite the guide roller (4), with a supplementary guide roller (4a) mounted on a perpendicular roller axle (9) laterally on the travel rail (17) under the force of a spring (12) and that, in the support roller carrier (5), a support roller (6) resting from below against the girder (18) of the travel rail (17) be mounted on a horizontal support roller axle (8). 
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Patent DE-4134849-A1 (DE)
Title: Transport and storage system
Inventor: URBACH DIETER DIPL KFM DR
IPC: B65D19/40
Filed: 1991-10-22
Abstract: At the ends of the support feet (3) is a connecting device in the form of two spaced shoulders (4, 5), of which the lower shoulder (5) in the fixed state on the accommodation pallet (2) has an introduction aperture (8) and a downwardly extending tongue (9). The upper shoulder (4) in an area above the introduction aperture (8) has at least on flexible lip (10, 11) bendable out of the plane of the upper shoulder. The lower shoulder (5) has a flexible lip bendable out of its plane. The shoulders (4, 5) are formed as parallel running circular ring-shaped edge strips and the lips (10, 11) are formed as interconnected slots, of which one runs radially, whilst the other two run on the inner periphery of the shoulder (4).
Patent DE-4138460-A1 (DE)
Inventor: WINTERHAGEN DITTMAR DIPL ING
IPC: G01K1/08
Filed: 1991-11-22
Abstract: The probe is intended for use in oxidizing environments at temperatures in excess of 1800  DEG C. It contains wires (1, 2) which are introduced into a protective tube (5) and connected to each other at a junction point (3). The protective tube (5) is made either of a thermally-transparent ceramic material in the form of a monocrystal, or of a thermally-transparent oxide crystal such as Al2O3 (saphire) or ZrO2. Such materials have a good degree of permeability to infra-red radiation as well as being very sturdy and corrosion-resistant. A mounting (4) which supports the probe wires (1, 2) is for practical reasons made of the same material. The cavity inside the protective tube (5) can be either evacuated or filled with an inert gas. The probe has excellent long-term thermal endurance and responds extremely quickly to changes in temperature. It can be used to measure temperatures of up to c. 2200  DEG C.
Patent DE-4138520-A1 (DE)
Title: Transport pallet with several layers of packages - uses equal size packages arranged differently in different layers for better stacking stability
Inventor: SCHLEDORN GERARD
IPC: B65D57/00
Filed: 1991-11-23
Abstract: One layer of packages is arranged differently from the next so that the packages of adjoining layers overlap one another. The arrangement of the packages in some different layers can be identical provided there is at least one layer with different formation set in between. The packages can have markings formed by labels (16,17) attached at the same fixed spot on each package. The packages can be automatically stacked by producing a stacking plan and then fixing the labels according to the plan, identifying the labels and placing the packages accordingly. ADVANTAGE - Optimum use of the stacking surface with the quickest possible stacking speeds.
Patent DE-4140913-A1 (DE)
Title: Pipe preparation appts. for non=destructive material testing esp. of hot-rolled boiler pipes - has brush movable in axial and circumferential directions for removing scale from outer surfaces of pipe
Inventor: BRAUN HANS
IPC: B21C43/00
Filed: 1991-12-12
Abstract: The appts. includes at least one brush (6) with a drive and movable axially and peripherally w.r.t. the pipes (14) for removing scale from the pipes' outer surfaces. Each two diametrically opposed brushes may be mounted on a rotatable carrier (18) which encloses a pipe. The appts. pref. includes a flushing and cooling medium feed which can pass via the brush shaft. USE - Esp. for preparing pipes for ultrasonic, non-destructive material testing.
Patent DE-4201535-A1 (DE)
Title: Flange coupling with aseptic region and elastic seal - has shaped seal seating to compress seal for flush alignment with pipe walls.
Inventor: BRAECKELMANN WOLFGANG DIPL ING
IPC: F16L19/03
Filed: 1992-01-22
Abstract: The two flanges of the pipeline are coupled together with a compression fitting and sealed via an enclosed sealing ring (211). The annular seal space is formed by a stepped profile in both flanges and compresses the shaped seal ring to form a sealing surface flush with the internal walls of the two pipes to eliminate any trapped material. The flanges are self-aligning for the coupling. The closed coupling includes an expansion space to enable the ring to expand fully. The sealed setting of the coupling has locating faces (112,126) clamped onto each other. USE/ADVANTAGE - For pipelines in food processing,pharmaceutical etc.industries,with smooth transitions and increased cleanliness.
Patent DE-4202377-A1 (DE)
Title: Safety attachment for conventional hydraulic timber-splitting equipment - incorporates limit switches and sensors in connection with electronic control of magnetic valve in hydraulic circuit.
Inventor: KAESBERGER FRANZ
IPC: F16P3/16
Filed: 1992-01-29
Abstract: The safety attachment has a holding element (1) in the immediate vicinity of a platform (18). The holding element has a fixed or movable guide (2) for an operating arm (3) which can be moved with the aid of a handgrip (8) up and down and to left and right within limits (4). Impulsive contact sensors (7) can be fitted in suitable positions on an arm, handgrip and the platform to activate control electronics (11) which energise the magnetic valve (12). A contact or proximity switch (27) can be operated by a blade (19). ADVANTAGE - Injuries esp. to hands or fingers are avoided. Simple but safe handling is guaranteed.
Patent DE-4204317-A1 (DE)
Inventor: TZANOVICI ALEXANDER DIPL ING
IPC: E05B63/16
Filed: 1992-02-13
Abstract: A door-handle fitting consists of a handle pin (13) formed by two pin parts (11, 12) of square cross-section, which are connected to one another in a tension-resistant manner, but rotatably relative to one another, by means of a round coupling pin (14) arranged in axial bores (20, 21) complementary therewith, and which are suitable for cooperation with a respective lock-follow-up part (15, 16) of a divided lock follower (17) of a lock of an anti-panic type. Furthermore, the door-handle fitting has two door handles (18, 19) which are each assigned to a pin part (11, 12) and which can be slipped onto the pin parts (11, 12) from outside and be connected to them in a rotationally fixed and axially fixed manner. At least the coupling region (25) inserted in a pin part (11) has a bolt recess (22), into which engages at least one bolt piece (24) which is arranged so as to be radially displaceable in a radial channel (23) of the associated pin part (11) and which is held in engagement with the bolt recess (22) by the door handle (18) slipped onto the respective pin part (11), but, when the door handle (18) is drawn off from the pin part (11), can shift aside radially to such an extent that the associated coupling region (25) of the coupling pin (14) can be drawn axially out of the bore (20) of the associated pin part (11). <IMAGE>
Patent DE-4208579-A1 (DE)
Title: Application roller for paint roller - comprises stirrup with support section, roller and grip, support section being connected via angled formation with remainder of stirrup.
IPC: B05C17/02
Filed: 1992-03-13
Abstract: The angled formation (14) encloses an angle of approx. 45 deg. with the support section (16). The roller is carried by the outer dia. of an insert nave which has a hollow chamber in which an insert socket is held via elastically deformable components, for which the insert nave acts as slide bearing. The insert socket has a through slot in its longitudinal direction. The inner hollow chamber of the insert socket accommodates the support section (16) of the stirrup (10). USE/ADVANTAGE - A simply constructed paint roller which meets all requirements in its use.
Patent DE-4209359-A1 (DE)
Title: Purifying polyether-alcohol(s) - by neutralising with hydrochloric acid and re-neutralising with propylene oxide with addn. of special colloidal magnesium silicate
Inventor: GUETTES BERND
IPC: C08G65/30
Filed: 1992-03-23
Abstract: Purifying polyether-alcohols (I) obtd. by base-catalysed addn. of alkylene oxides (AO), esp. ethylene and propylene oxide (EO and PO) to diols and/or triols so that the chain-ends contain EO units in amts. of more than 50% of the total AO, in the form of blocks and/or statistically-distributed units. Purificn. is effected by neutralisation with HCl, and colloidal Mg silicate with a potential for KOH adsorption (II) is added, alone or together with PO, to the crude (I) before and/or after addn. of HCl. USE/ADVANTAGE - The process enables the purificn. of (I) to give a clear, non-hazy prod. contg. no unfilterable fines, with no problems in obtaining the required pH value; the prod. has low residual salt content, low residual alkalinity and a low acid no.,, and the process uses less PO than the usual HCl/PO metho
Patent DE-4210747-A1 (DE)
Title: Chain driven transporter duct - with gas tight housing and curved end stations for pressure strength
Inventor: SCHRAGE REMMER
IPC: B65G53/44
Filed: 1992-04-01
Abstract: The transporter has a main duct (1) and a parallel return duct (2) linked at one end by a drive housing (3) and at the other end by a tension control housing (4). Transfer ports (9, 10) at each end are connected to the process system. The whole unit is gastight. The tubular shaped ducts and circular housings provide good pressure support. The material is transported by drive plates attached to a chain looped between the drive wheel and a tension wheel. USE/ADVANTAGE - Chemical transport, foodstuffs. Transport in protected environment, can be transported under positive pressure.
Patent DE-4211124-A1 (DE)
Inventor: SEIDEL REINHARD DR
IPC: C04B35/636
Filed: 1992-04-03
Abstract: A binder for dry pressing ceramic pressing ceramic masses and glazes contain ester condensation products of polyol with dibasic or polybasic organic carboxylic acid residues. The binders are used in an amount equivalent to 0.1 to 10 % by weight of the solid matter content of the ceramic masses and glazes.
Patent DE-4212657-A1 (DE)
Title: Dusting-resistant high density high output magnetic recording medium - with electrically conductive pi-conjugated structure polymer replacing carbon@ black as antistat
Inventor: NAKAYAMA HIDEHIKO
IPC: C09D5/23
Filed: 1992-04-15
Abstract: Antistatic properties are imparted to a magnetic recording medium by including in the magnetic layer a polymer whose electrically conductivity derives from its pi-conjugated structure. In a claimed embodiment the conductive polymer is present as a coating on the magnetic powder, this coating pref. being obtd. by polymerisation of the corresp. monomer together with a solvent and a catalyst in presence of the magnetic powder. The polymer is pref. polypyrrole poly-Me-pyrrole, poly-Me-thiophene, polyazulene, poly-p-phenylene or polyaniline. ADVANTAGE - High density, high output recording media with good antistatic properties can be obtd. without the need to use C black.
Patent DE-4214963-A1 (DE)
Title: Sieve device for arc type - has two gap sieve plates connected by slopes with lowermost gap sieve having smaller gap distance than the other
Inventor: HAASE HELMUT
IPC: B01D29/01
Filed: 1992-05-06
Abstract: The gap sieves are arranged with slopes in a housing, with a top inlet and a lower outlet for the sieved, cleaned fluid. Two or more sieves (2) are arranged in series one beneath the other. The gap sieves (2) are arc-shaped, straight or edged, with differing inclinations and have differeing gap spacings. They are directly connected to one another via a guide plate (3) which can have differing shapes and inclinations. The gap sieves are arranged in a frame. USE/ADVANTAGE - To pass fluid through a sieve system to clean it of solid matter.
Patent DE-4218509-A1 (DE)
Title: Completing transport pallets by using pre-stamped pallet deck - uses conveyor (5) to feed pallet decks with support feed to processing station
Inventor: BAUER LOTHAR DIPL ING
IPC: B65D19/40
Filed: 1992-06-02
Abstract: Transport pallets are completed using prestamped pallet decks and several support feet. A conveyor feeds the pallet decks with support feet to a processing station which, when loaded, is lifted (H), while the support feet receive screw heads (10). On attaining the lifting height, the heads are rotated in a defined manner and the support feet are simultaneously screwed down or up. Then the processing station is lowered to the transport level (T) and the completed pallet is conveyed to a discharge station. USE/ADVANTAGE - For mechanical completing of wooden, metal or plastics pallets, with low-cost mfr. and versatile adapting to required size or shape.
Patent DE-4220501-A1 (DE)
Title: Optical thickness measurement during mfr. of strip material - using triangulation by measuring distance to material from head above and below material, directing reference line onto head and detecting with PSD or CCD line sensor, and determining position of head for position compensation.
Inventor: MASSEN ROBERT PROF DR ING
IPC: G01B11/06
Filed: 1992-06-23
Abstract: The distance from the material to a measurement head is measured by distance sensors (2,5) above and below the material path (3). A temp.-stable fixed light beam projector directs a virtual reference line at the measurement head. In addition to the light spot or line which the head projects onto the material for triangulation measurement, the light point is simultaneously formed on a separate area of the position sensitive detector, e.g. CCD matrix or line sensor, used for the distance measurement. The spatial position of the measurement head wrt. the reference line is determined from the position of this light spot and is used as a correction value for the mechanical or thermal bending and positional changes of the measurement head's suspension. USE/ADVANTAGE - E.g. for contactless, continuous measurement of thickness of foils or coated tissues. Uses low-cost optical distance sensors to achieve accurate measurements by compensating for temp. or mechanically-induced bending and position changes..
Patent DE-4220796-A1 (DE)
Title: Forging workpiece holder - has a packing to give a hydraulic chamber with variable pressure to give pliable or rigid holding action
Inventor: RUEGER HERBERT DIPL ING
IPC: B25J17/02
Filed: 1992-06-25
Abstract: The appts. to hold a workpiece during forging, with a grip fitted to the carrier system has a mounting assembly(16) which can be set selectively to be pliable or rigid. A packing (17) between the carrier and the grip (12) defines a hydraulic chamber (23). A control valve sets the inner pressure of the chamber (23) selectively to make the packing (17) pliable at a low pressure, and hard and rigid under a high pressure. Pref. the control valve gives a setting for low and/or high pressures. The packing (17) lenghth is less than its dia.. The packing (17) has edge strips on both ends on cup supports, with flanges secured to the carrier and the grip (12). The grip mechanism has a rotary drive for the nippers (13), on both sides of the packing (17). The assembly has a forging hammer or a beating spindle press on a foundation, with the workpiece carrier unit located outside the foundation. USE/ADVANTAGE - The appts. is for bolding components which are flat, for drop forging, such as nipper components, double-ended spanners or sutomobile connecting rods. The action of the holder is changed rapidly from a pliable to a rigid action, and the pliable effect is on all sides.
Patent DE-4225666-A1 (DE)
Inventor: SCHERP ERNST DIPL ING
IPC: E04D11/00
Filed: 1992-08-04
Abstract: The root-resistant, bituminous sealing membrane with improved flexibility contains, instead of a copper strip, a plastic sheet coated with 0.1 to 3 g/m<2> of copper. In its production in a roof membrane plant, it is also provided with a reinforcing insert comprising a sheet-like fibre structure. If the membrane is produced in a film casting plant, the reinforcing insert can be dispensed with.