baber/WOPTO huggingface dataset:
Patent EA-030274-B9 (EA)
Title: Dry-modified acid-activated bleaching earth, process for production thereof and use thereof
Inventor: GEISSLER BEATE
IPC: C11B3/10
Filed: 2015-02-23
Abstract: The invention relates to a process for producing a bleaching earth, comprising the steps of drying a water-rich raw clay to a reduced water content, mixing the raw clay having a reduced water content with a solid organic and/or concentrated inorganic acid, and grinding the mixture of raw clay having a reduced water content and solid organic and/or concentrated inorganic acid, in which case the bleaching earth then has a water content of 20 to 40% by weight. The invention further encompasses a bleaching earth obtainable by this process and to the use thereof for bleaching of raw vegetable or animal oils.
Patent DE-102004008559-B9 (DE)
Title: Verwendung eines Glases für Glas-Metall-Verbindungen
Inventor: KUCKELKORN THOMAS
IPC: F24S23/70
Filed: 2004-02-18
Granted: 2007-05-03
Abstract: Verwendung
eines Glases mit folgender Zusammensetzung:                B 2 O 3     8–11,5 Gew.-%     Al 2 O 3     5–9 Gew.-%     Na 2 O   5–9 Gew.-%     K 2 O   0–5 Gew.-%     CaO   0,4–1,5 Gew.-%     SiO 2     Rest     Fe   < 400 ppm                   für
ein Glasrohr (1) in einem Vakuumröhrenkollektor mit einer Glas-Metall-Verbindung.
Patent DE-3132185-C1 (DE)
Title: Beverage warmer
Inventor: CONRAD RAINER DR-ING
IPC: A47J31/54
Filed: 1981-08-14
Granted: 1983-01-13
Abstract: The invention relates to a beverage warmer, consisting of a water container (2) and an electrically heated steam chamber (3). Arranged in the water container (2) is a metering pump (7) which communicates via valves (9, 10) with the water container (2) and the steam chamber (3). By actuating the pump (7), a metered quantity of water is fed to the heated steam chamber (3) and evaporated there. The steam produced is fed via a steam pipe (15) into the beverage to be heated. <IMAGE>
Patent DE-3202471-C1 (DE)
Title: Essentially pressure-free heat accumulator, e.g. for solar-operated central heating installations
Inventor: MIHALYI JENOE
IPC: F28D20/00
Filed: 1982-01-27
Granted: 1983-05-19
Abstract: An essentially pressure-free heat accumulator with a floating cover (8). Directly below the floating cover, there is suspended thereon an upper distributor (14) of flat design for the liquid heat transfer medium, while just such a lower distributor (16) is situated directly above the bottom (18) of the tank (2) concerned. Both distributors communicate with the relevant supply and removal pipes (32, 34) via a vertical pipe (24) which at the same time can form a support for a fixed roof (6) of the tank. The relevant arrangement and design of the distributors guarantees, even with a relatively large travel of the floating cover, optimum temperature layering of the heat transfer medium. <IMAGE>
Patent DE-3310884-C1 (DE)
Title: Sharpening container for pencils
IPC: B43L23/08
Filed: 1983-03-25
Granted: 1984-05-24
Abstract: A sharpening container for pencils, especially wood-mounted writing or drawing pencils but also cosmetic pencils, is described, its container having the shape of a metal or plastic tube. Advantage: the volume of the container can be varied. 
<??>Furthermore, various devices are described for preventing the re-unrolling of the rolled-up tube end. Such devices may be: a pin or safety pin, or alternatively a clip. The tube-shaped container can be so designed that a pocket or a tab-shaped projection for receiving the pin or clip is provided at the end thereof. Finally, a hook-shaped projection may be provided at the end of the tube and serves to hang up the whole device.
Patent DE-3625208-C1 (DE)
Title: Process for the direct reduction of iron ores using a natural gas with contents of butane or higher hydrocarbons, and equipment therefor
Inventor: FOERSTER ECKEHARD PROF DR-ING
IPC: C21B13/02
Filed: 1986-07-25
Granted: 1987-12-03
Abstract: In a process and equipment for the direct reduction of iron in a shaft furnace, reducing gas is generated by cracking of methane in a cracking furnace. A part of the exit gases from the reduction process is here admixed to the methane before it enters the cracking furnace. The plant can also be operated with methane which is contaminated by additions of butane or higher hydrocarbons, without a deposition of carbon occurring in the catalytic component. This is achieved by heating the gas mixture in weakly catalytic surroundings to the reaction temperature.
Patent DE-3707163-C1 (DE)
Title: Concertina-type gas meter
Inventor: HEINZ SCHUHBAUM LUDWIG
IPC: G01F3/22
Filed: 1987-03-06
Granted: 1988-05-05
Abstract: On account of the unavoidable production tolerances, a calibration of each individual concertina-type gas meter is indispensable. It is known, for the purpose of calibration, to exchange pairs of intermeshing gearwheels in steps within the appliance, until the necessary measuring accuracy is reached. For the purpose of recalibration, action must be taken in the concertina-type gas meter.   In order to make calibration easier, the concertina-type gas meter contains a continuously axially displaceable crankshaft (29) with three crank pins (30, 31, 32), on which engage the pivoting arms (8, 9), provided with long holes (36), of the concertina shafts (7) and two one-armed connecting levers (48) which move the shell slides (15) in oscillation via two two-armed levers (41, 42). Concertina-type gas meter for the measurement of domestic gas consumption. <IMAGE>
Patent DE-3709918-C1 (DE)
Title: Writing instrument tip
Inventor: GOH DJING-SAN
IPC: B43K5/02
Filed: 1987-03-26
Granted: 1988-05-05
Abstract: A writing instrument tip having a front part (1, 1') which carries a writing element (2), especially a writing tube, at its front end and on which a writing liquid cartridge (8) is placed from behind, this having a holding region, which possesses a cross-sectional constriction (11), for a closure part (10) to be released by the front part (1, 1') when the front part (1, 1') is inserted into its operating position in the writing liquid cartridge (8). At the rear end of the front part (1, 1'), an outward-pointing hook region (7) is provided which is resiliently displaceable outwards in the radial direction and engages in an anchoring manner behind the holding region when the front part (1, 1') is in the operating position. <IMAGE>
Patent DE-3810165-C1 (DE)
IPC: G01B11/02
Filed: 1988-03-25
Granted: 1989-07-27
Abstract: In the position measuring device according to Figure 1, a first grating (2) is illuminated in a so-called three-grating measuring arrangement at a specific angle ( alpha ). Two component beams (3, 4) obtained at the first grating (2) by diffraction impinge on a second grating (5) which represents the measure of the position measuring device. Renewed diffraction forms component beams (6, 6'; 7, 7') of which the two component beams (6 and 7) closest to the grating normal (0) impinge on a third grating (2') with the aid of which they are diffracted once again and caused to interfere. After the third grating (2') the component beams (8, 9 and 10, 11) whose intensity has been modulated by interference impinge on photodetectors (12, 19), which convert them into phase-shifted electrical signals and supply them to an evaluation device (not shown in more detail). 
<IMAGE>
Patent DE-3912632-C1 (DE)
Title: Controlling central locking installation of motor vehicle - releasing control switch by key assigned to electrical signal combination recognition circuit
IPC: E05B65/38
Filed: 1989-04-18
Granted: 1990-05-17
Abstract: In a method of control of a central locking installation using pneumatic opening and closing actuators, electric control switches are provided at the operating point and also at the locks so as to feed key recognition signals at each key operation on a narrow time relation to the signal of the control switch. The operation is suppressed of each switch signal produced not in a narrow time relation to the key recognition signal of the separate electric switch, at the central controller, within a defined short time span which is started by key operation of the operation port. Pref. the suppression is of each single signal produced at the central controller. ADVANTAGE - Reliable operation achieved with simplified actuators.
Patent DE-3937364-C1 (DE)
Title: Beach chair with hood - has hood adjustable with system of springs and traction components
IPC: A47C1/14
Filed: 1989-11-09
Granted: 1991-02-28
Abstract: The beach chair is fitted with a hood to provide shelter for the occupant. The hooded beach chair standing part has a seat and a swivel seat back adjusted with the aid of springs and traction components. The components and/or springs should be led round a pulley etc. (9) and pulley segment (11), the active face of the segment varying in radius. ADVANTAGE - Easy back (hood) movement reduces physical effort required.
Patent DE-3939018-C1 (DE)
Title: Method of making furnace briquettes - has raw sand and carbon carrying material mixes before heating
IPC: C10L5/04
Filed: 1989-11-25
Granted: 1991-05-16
Abstract: The raw material ettes (I) are produced by mixing a raw material mixt. of quartz sand and a non-coking, fine-grained carbon carrier, pref. petroleum coke, and a pitch-contg. binder (II). This briguette starting mixt. is briguetted to preforms and (I) are then formed from the preforms by a solidifying heat treatment. The improvement is that (II) used is a binder mixt. of pitch and coking coal having a temp. of above 100 deg.C to 200 deg.C.  The raw material mixt. is mixed with the binder mixt. at a mixing temp. in the same temp. range, and preforms are briguetted at a temp. below this mixing temp. USE/ADVANTAGE - Good performance in metallurgical applications.
Patent DE-4020097-C1 (DE)
Title: Honing tool with honing strip(s) on support - between which and adjuster is axial free play
IPC: B24B33/08
Filed: 1990-06-23
Granted: 1991-02-07
Abstract: The honing strip is fixed to a support, whose radially inner wedge surface bears on a reverse surface on an adjuster.  The honing tool is so designed as to give axial clearance between the support (11) and adjuster (25). Pref. the support is fitted axially between two strike faces (31,32) spaced by more than the axial extent of the support, on a face (31) of a contact element, which can adjust axially on the tool thread (29) and be locked by locknut (30) as required. ADVANTAGE - Different engagement fuses for the tool forward and return strokes.
Patent DE-4041950-C1 (DE)
Title: Framework for switch cabinet - has numbered holes in shanks increasing in direction of three coordinates from reference point simplifying EDP-supported assembly
IPC: H02B1/30
Filed: 1990-12-27
Granted: 1992-06-04
Abstract: The housing frame for a switch cabinet comprises profile members (2...13) joined together by corner elements (14...21). The profile members have several sets of holes, identified by a corresp. numbering system. Three selected profile members (13,10,6) may have the lowest identification numbers, with an associated corner element (18) acting as a reference point, the identification numbers of all the other profile members being selected accordingly. The identification numbers may be marked on the profile members by an ink jet printer. ADVANTAGE - Facilitates automised assembly.
Patent DE-4122897-C1 (DE)
Title: Control unit housing for motor vehicle - is surrounded by screened housing for protection of electronics from engine heat
IPC: B60R11/02
Filed: 1991-07-11
Granted: 1992-06-11
Abstract: A housing (12) of metal, e.g. aluminium, is used for control equipment of a road vehicle and is mounted on a surface (17) in the engine compartment. A thermal shield is provided by an outer unit (14) of plastics material. The housing has several studs (20) that receive bolts (24) for fixing purposes. The edges of the housing are shaped to clamp against the formed flange (28) on the shielding unit. In this way no extra bolts are required. A sealing inset (34) is set into a groove in the shielding unit. ADVANTAGE - Protection against thermal effects without increasing mounting expenditure.
Patent DE-4135564-C1 (DE)
Title: Video components measuring appts. esp. for black level - has auxiliary amplifier similar to main signal amplifier switched in parallel with regulating voltage fed to both from regulator circuit
IPC: H04N17/00
Filed: 1991-10-29
Granted: 1992-06-11
Abstract: Separate signal amplifiers, are connected to a common analyser (A). At least one of these amplifiers (V1) has a switch (S1) to disconnect it from the analyser (A). Parallel to this amplifier (V1), a similarly dimensioned auxiliary amplifer (H1) has an associated control circuit (R1) connected to a selected part of the video signal whose control voltage (U) is sent to the auxiliary amplifier (H1) as well as the associated signal amplifier (V1). USE/ADVANTAGE - Separately analysing components of video signals e.g. red, green and blue signals using simple and inexpensive structure reducing cross-talk between signal amplification and can be quickly switched between outputs of signal amplifiers.
Patent DE-4136534-C1 (DE)
Title: Low loss ferrite prodn. - by mixing finely divided ferrite with powdered calcium oxide salt and sintering
IPC: H01F1/34
Filed: 1991-11-06
Granted: 1993-05-27
Abstract: Prodn. of low loss ferrites comprises mixing a finely divided ferrite with powdered CaO or a Ca salt (e.g. pref. the nitrate, also the chloride or acetate); and sintering. Typical ferrites are Mn-Zn ferrites contg. Fe2O3 (53 mol%); MnO (35.5 mol%); and ZnO (11.5 mol%). USE - The high frequency power loss of these doped ferrites decreases appreciably as temp. rises, so that these materials are improved components for transformers in television equipment.
Patent DE-4200207-C1 (DE)
Title: Electronic switch, e.g. inductive, capacitive or opto-electronic proximity switch - has switching distance set through external terminals and voltage supplied from external source
IPC: H03K17/95
Filed: 1992-01-07
Granted: 1993-01-28
Abstract: The proximity switch has at least one element (7) which can be set to fix the switching distance. The switch determines the magnitude of the distance according to its state, and at least two external terminals which can be used. The state of the element and so the switching distance can be set through the external terminals (8, 9, 10) and the voltage supplied to the equipment from the network voltage or the voltage source (12). Different voltages are possible and at least one control signal can be obtained for setting the state of the element which then is able to adjust the working of the two oscillators (1, 2). ADVANTAGE - Switching distance can easily be set.
Patent DE-4201370-C1 (DE)
Title: Resilient spring drive for ic engine - connects drive input and output members using coil springs separated by spacers on curved rod
IPC: F16F15/123
Filed: 1992-01-20
Granted: 1993-02-11
Abstract: The torsional vibration damping spring drive part is coupled to the engine output shaft and the spring output part is coupled to the transmission input shaft and can rotate within limits w.r.t.it. A series of coil compression springs are arranged in peripheral series coaxial to the spring drive and output parts and are radially guided. A drive end stop fixed to the spring drive part bears against the rearmost spring of the series, and the foremost spring bears on an output end stop fixed to the spring output part. The springs (26) are guided by a guide ring (21) arranged within the inside dia. of the springs which, in turn, can adjust on the ring. Pref. the ring is fitted with movable segment spacers (27) set between the several springs. The outside surface of the guide ring is made from corrosion-proof material. USE/ADVANTAGE - For i.c. engine transmissions, with low-cost mfr.and improved tool utilisation.
Patent DE-4227179-C1 (DE)
Title: Platinum@ electrolysis recovery - has cation exchange membrane separating anode and cathode zones to give metal powder without producing chlorine@ gas
Inventor: DEMANT UDO DR
IPC: C25C1/20
Filed: 1992-08-17
Granted: 1993-11-04
Abstract: In the recovery of platinum metals from watery acid salt solutions of their chloro compounds, in an electrolytic action, a cation exchange membrane separates the anode and cathode zones. The solution in the anode zone containes acid ions with an electrochemical anion potential finer than water. The electrolysis is effected at a temp. of 10-18 deg. C with a current density of 1-100 A/dm2. The electrolysis is pref. at temp. of 20-60 deg. C, with a current density of 5-50 A/dm2. A solution used in the cathode zone has a start concentration of 1-50 g/litre of platinum metal as a chloro compound. The solution in the cathode zone has a pH value of 0-2. Diluted sulphuric acid is in the anode zone, or a sodium sulphate solution is used. The cation exchange membrane is based on an organic synthetic resin, containing sulphonato groups. USE/ADVANTAGE - The technique is for the recovery of platinum metals in powder form such as ruthenium, rhodium, osmium, iridium, platinum and their alloys. It delivers a loose powder material, with good working qualities, without producing chlorine gas.
Patent DE-4335863-C1 (DE)
Title: Piston-operated pipette
Inventor: SABLOEWSKI HORST
IPC: B01L3/02
Filed: 1993-10-21
Granted: 1995-02-02
Abstract: Piston-operated pipette for a push-on pipette tip, having setting devices to change the piston stroke, indicating devices for the particular pipetted liquid volume, detachable coupling devices between the setting devices and the indicating devices for changing a pipette correction factor determining the ratio of piston stroke to indicated liquid volume, the coupling devices, the setting devices and the indicating devices coupling together positively, and switching devices being provided for complete detachment of the coupling devices and changing the pipette correction factor by adjusting the setting devices. <IMAGE>
Patent DE-4342684-C1 (DE)
Title: Mould for the production of concrete steps
Inventor: SCHAHL HARALD
IPC: B28B7/22
Filed: 1993-12-15
Granted: 1995-04-13
Abstract: The invention relates to a mould (shuttering) for the production of concrete steps having positioning elements (20, 24) which are assigned to the mould walls for the tread surface and the abutting surface of in each case one step, are arranged in alternating succession in a zigzag-shaped row above a mould base, are each mounted in a holder (43) in a manner which allows them to pivot about an axis (22, 22') perpendicular to the mould base, and can be jointly adjusted by means of a first and a second adjusting device both in respect of their angular position and in respect of the distance between the adjacent axes (22, 22'), for the purpose of setting the height of the step and the width of the tread, and can be fixed in selectable positions. In a mould of this type, the first adjusting device (14, 15, 29, 34 to 38) is designed such that the height of the step can be changed without changing the width of the tread and the second adjusting device (18, 19, 29 to 33) is designed such that the width of the tread can be changed without changing the height of the step. <IMAGE>
Patent DE-4419164-C1 (DE)
Title: Moisture insulation and dispersal system at foot of wall
Inventor: KOWALEWSKI BERND DIPL ING
IPC: E04B1/70
Filed: 1994-06-01
Granted: 1996-03-21
Abstract: On the lower ground beneath the wall is at least one layer of moisture impermeable, weather-resistant material. The layer is at least one plate-shaped component (22) of pressure-proof material, in which several virtually parallel channels are formed crossways to the wall. A catchment foil (26) is provided, the inner end of which extends into a layer seam between an upper and a lower brick layer of the brickwork wall (12) forming the inner shell and whose outer end is arranged under the plate-shaped component. The plate-shaped component is flat on its upper side and the channels are provided on the underside. The channels are of reduced width. The plate-shaped component is of aluminium or a similar corrosion-resistant metal.
Patent DE-4425421-C1 (DE)
Title: Insulating body for use cable connectors
Inventor: BAEUERLE GOTTFRIED DIPL ING
IPC: H02G15/068
Filed: 1994-07-19
Granted: 1996-02-01
Abstract: An electrical cable (1) fits into a housing to establish contact with a connecting sleeve (11) that is embedded within a main body (6). Located between the main body and the inner body (17) is an insulating sleeve (3) that is produced of silicone rubber that has a sealing ring (18) at the lower end Embedded with the main body is a field control electrode (12). The top section also has a field control electrode (19) that is in contact with the cable outer surface that has a conducting section (20). Gaps (24, 26) are provided between inner and outer surfaces an contain good insulating fluid.
Patent DE-4445203-C1 (DE)
Title: Method and appliance for checking ceramic materials for shaping properties
Inventor: LAENGER FRITZ DIPL ING
IPC: B30B11/24
Filed: 1994-12-17
Granted: 1996-02-29
Abstract: The extruder has a cylinder (1) containing a screw (2), and flange (12) near its front end. A compression head (18) also has a flange (17). An axial force measuring device (21,22) is positioned between the flanges and is joined to the cylinder and its flange. An annular compensator (20) bridges the abutting join (19) between the cylinder and compression head, and produces axial movement of the compression head in relation to the cylinder without forming a leak. A speed measuring device scans the billet emerging from the compression head in front of which it is situated. An evaluator circuit receives signals from the measuring devices, and transmits axial forces or an adjusting signal to an adjustment controlling water inflow or to a signal transmitter.
Patent NL-1000618-C1 (NL)
Title: Injection moulding hollow articles in moulds having male and female mould halves
Inventor: MANEN DIRK VAN
IPC: B29C45/72
Filed: 1995-06-20
Granted: 1995-12-20
Abstract: Injection moulding system for hollow articles has a mould with first and second mould halves (2,4) carrying respectively mould cavities (3) and mould cores (5). During the mould open part of the operating cycle one mould half (4) carries the articles moulded during the mould closed part of the moulding cycle, and that mould half has two sets of cores (5,5'), or cavities, which cooperate alternately on the mould closed part of the cycle with the cavities (3), or cores, of the other mould half and with the receiving device (20) of a robot which removes the moulded article from the cores, or cavities. Apparatus and method are claimed.
Patent NL-1000643-C1 (NL)
Title: Electric water heater for keeping water at or near boiling point
Inventor: STEENTJES HENDRIKUS BERNARDUS
IPC: A47J27/21
Filed: 1995-06-22
Granted: 1996-12-24
Abstract: A vessel (1) contains water (2) and has a supply inlet (6) and hot water outlet (7). An electric heater element (3) has its own temperature sensor (4). This and the water temperature sensor (5) are connected to the controller (8) with its temperature selector (9). There is a main supply (10). When the water boils, the energy supply is reduced either by switching it on and off or by modulating it. Temperature is maintained at or just below boiling point. Lack of water is detected by an increased rate of rise of heater element temperature. The energy supply is then switched off.
Patent NL-1011530-C1 (NL)
Title: Invalid hoist with linear motor and crank to raise or lower two electrically-powered wheels that have differential control for manoeuvrability
Inventor: SCHEPPINGEN MATHEUS ROBERTUS V
IPC: A61G7/10
Filed: 1999-03-11
Granted: 2000-09-12
Abstract: The hoist is moved manually on four castors (13). Two further wheels (16) are mounted on shafts (18,19) that are connected to cranks (23,23'). The linear motor (28) raises or lowers the wheels (16), each of which is independently driven by an electric motor (21) and transmission (20).