baber/WOPTO huggingface dataset:
Patent DE-4005727-A1 (DE)
Title: Intersection of longwall face with mining roadway - is supported by flat perforated bar holding cleats to fit arched supports in roadway
Inventor: QUANTE HEINRICH
IPC: E21D11/36
Filed: 1990-02-23
Abstract: The support is for the intersection of a longwall face with a mining roadway.  It consists of the support arches in the roadway, which together with anchors at the free end of the roadway side, are supported by cleats. Attached to the end of a flat bar (16), extending from the longwall face into the roadway at right angles, are tie rods at right angles with threaded ends to which the cleats (12) are bolted.  The flat bar (16) is perforated (15) to receive anchor ends, and it is joined (19,20) to flat sections (7,9) in the longwall face (2). USE/ADVANTAGE - The anchoring device supports the end of the roadway support arches.
Patent DE-4007510-A1 (DE)
Title: Coal for clean burning in whirling bed furnace - by mixing coal with a mixt. of organic residues from sorting of refuse, fat-retaining material and calcareous substances
Inventor: HOELTER HEINZ DIPL ING
IPC: C10L10/04
Filed: 1990-03-09
Abstract: Organic residues obtd. after total processing of refuse by sorting to remove plastics, metals and paper is mixed with fat-retaining substances such as fuller's earth and calcareous substances, and the mixt. added to coal to be burned in whirling bed units  to reduce the emission of SO2 during burning. USE/ADVANTAGE - Additive mixt. allows environmentally friendly burning of coal in whirling bed furnaces.
Patent DE-4010015-A1 (DE)
Title: Tent for maintenance contactors - is formed by sheeting and tubular frame with end connections
Inventor: HINZ KLAUS
IPC: E04H15/34
Filed: 1990-03-29
Abstract: The frame comprises a first tube, a pair of eaves tubes, a pair of horizontal and a pair of diagonal units, all of which are mounted between two gables. They are joined by union plates comprising a pair of spars and a pair of corner posts. The tubes (1-6) comprise a heavy, hard or non-weldable light metal alloy, and the connectors are engaged over or inserted into the tube ends to which they are screwed or pinned. The connectors for the gable tubes (5, 6) are slotted pins with several holes vertical to the slot plane and to the pin axis. USE/ADVANTAGE - For maintenance contractors, as an easily assembled protective tent and likewise easily dismantled on site.
Patent DE-4015531-A1 (DE)
Title: Electric plug for electronic equipment - has built-in pin-type coding and/or fixing part to fix connector housing to circuit board of equipment internal wiring
Inventor: KOCH MANFRED DIPL ING
IPC: H01R4/48
Filed: 1990-05-15
Abstract: The electric plug connector for electrical contact of stripped lead ends (17) of a cable (18) has a plastics housing (1) for bent spring arms (9) having a contact point (10) which provides the electrical contact for the lead (17). The spring arms (9) are arranged in the housing (1) such that they can move in the insertion direction (E) of the lead (17) as well as perpendicular thereto, and the spring constant in the insertion direction (E) is smaller than in the perpendicular direction. The housing (1) is connected to the electronic equipment circuit board via two soldering pins (6).
Patent DE-4017858-A1 (DE)
Inventor: ERNST ALFONS DIPL ING
IPC: G01B21/02
Filed: 1990-06-02
Abstract: According to Figure 1, a length-measuring device (1) has a housing (4), in the interior (6) of which there is a labyrinthine gap (11). A driver (14) in the shape of a meander and adapted to the labyrinthine gap (11) passes through the gap (11) without contact. The driver (14) bears at its free end a scanning component (13) with which a material measure (12) is scanned without contact. <IMAGE>
Patent DE-4018379-A1 (DE)
Title: Continuously determining actual path length in optical fibre - deriving measurement signal as function of phase difference between modulation and photodiode signals
Inventor: CASDORFF RAINER DR
IPC: G01N21/41
Filed: 1990-06-08
Abstract: The method comprises the steps of: amplitude-modulating monochromatic light according to a sinusoidal modulation signal (Um) and coupling the light at a predetermined mean amplitude into the waveguide; and mixing the reflected light according to a photodiode signal of mean amplitude with the sinusoidal modulation signal, the resulting measurement signal (U (phi)) being a function of the phase difference (phi) between the modulation signal (Um) and thee photodiode signal (Ud) and the phase difference (phi) being approximately proportional to the optical path length on the waveguide. The system used includes an oscillator (15) connected to a light source (12) to provide a sinusoidal modulation signal (Um), a beam splitter (17) which directs the reflected amplitude-modulated light onto a photodiode (18), and a mixer (19) for mixing the photodiode signal (Ud) with the modulation signal (Um). USE/ADVANTAGE - High precision continuous determination of actual -optical path of light in optical fibre integrated into composite material (e.g. in aerospace applications) and thus allows crack detection and location in of simple manner.
Patent DE-4019609-A1 (DE)
Title: Renovation mat for shaft - consists of two interconnected parts made of longitudinal and transverse rods
IPC: E21D5/06
Filed: 1990-06-20
Abstract: The two parts for the renovation mat (2,3) are interconnected and displaceable in relation to one another. They are lockable in their respective positions. The transversal wires used (9) are formed zig-zag fashion. At the lower end of the one mat part (2) a lock bar (5) runs parallel to the axis of the transversal wires, and at the upper end of the other mat part (3) a further such bar (6) runs in the same fashion, but is welded to every other long wire (6). The lock bars are formed in a straight line. The two mat parts have a transversal wire (9) in their connecting area, and the next such wire is spaced further apart than is the case with the other transversal wires. USE - For renovation of shafts provided with rings.
Patent DE-4033877-A1 (DE)
Title: Drilling tool - has closed channel in shaft flute to prevent radial chip outflow
Inventor: GAUS CHRISTINE
IPC: B23B51/04
Filed: 1990-10-24
Abstract: Tool, esp. to drill with profiled or flat countersinking, has a flute (18) at least over part of the shaft length which is closed from its end to the cutting face against radial chip outflow, over a part of its length. Flute (18) forms a channel section (26), open to the outlet end and open to the cutting face of the cutting sections (14,14'). Cutting face of the cutting sections (14,14') deflect the chips at an angle into the channel section (26) of the flute. Shaft (10) carries a sleeve (20) over part of its length, to cover the flute (18) radially. Cutting edge (24) extends radially beyond the sleeve surface. The sleeve (20) is shrunk on to the shaft (10), or it is screwed into place, or is held to the shaft by an adhesive. The sleeve (20) can also be welded or soldered to the shaft (10). Sleeve (20) and shaft (10) are of the same material. The channel section (26) is formed as part of the flute (18) in the shaft (10). ADVANTAGE - Drilling ensures that the chips are removed cleanly from the drilling, and are not pressed into the sides of the drilling.
Patent DE-4037569-A1 (DE)
Title: Vattable 5,7-di:amino-1,2,4-triazolo-(4,3-a)-(1,3,5)-triazine(s) - useful as dyes for cellulosic textiles or as pigments for polymers, lacquers etc.
Inventor: ALTERMATT HANS DR
IPC: C09B1/467
Filed: 1990-11-26
Abstract: Novel vattable 5,7-diamino-1,2,4-triazolo (4,3-a)(1,3,5)-triazines of formula (I) are claimed as is also their prepn. by reaction of the corresp. 5,7-diamino-triazolotriazines with cpds. of formula A1-Hal and A2-Hal (Hal = halogen). In (I), A1 and A2 = same or diff. vattable residues derived from quinoidal polycyclic cpds. (pref. anthraquinonyl or phthaloylacridonyl residues); and R = H or a (cyclo)aliphatic, aromatic or aliphatic residue. Esp. pref. cpds. have A1 and A2 = 1,anthraquinonyl (opt. substd. by halogen, Me, MeO, acetyl, acetylamino or benzoylamino) or 2-bonded 3,4-phthaloylacridonyl and R = H, lower alkyl or Ph. The prepn. can be effected in one or two stages, pref. in presence of an acid binder (e.g. alkali metal hydroxide or pyridine) and a catalyst (e.g. a Cu(I)-iodide-pyridine complex of DE1795102). USE/ADVANTAGE - The use of (I) is claimed as vatting dyes for dyeing and printing natural or regenerated cellulose textile fibres. They can be used together with conventional redn. agents (e.g. dithionite) to give yellow, orange, red or violet shades which are fast to light, water Cl2 and boiling soda. (I) can also be used as pigments for polymers or lacquers or for bulk dyeing synthetic fibres such as polyamides, superpolyurethanes or polyesters.
Patent DE-4039002-A1 (DE)
Title: Detecting radiation from its effect on microbial protein synthesis - by exposing microorganisms coated on flat substrate to radiation, then incubating in culture medium and photometric evaluation of proteins
Inventor: QUINTERN LOTHAR DIPL BIOL
IPC: G01T1/02
Filed: 1990-12-06
Abstract: Biological detection of radiation comprises (1) coating microorganisms on to a flat substrate; (2) opt. applying to first selected regions of the coated substrate a defined dose of radiation; (3) opt. protecting the exposed regions before applying any further radiation; (4) exposing second selected regions to the radiation which is to be detected; (5) when exposure is complete, initiating biosynthesis of microorganisms in the exposed areas and (6) photometric determination of formation of biosynthetic products (esp. cell activation and/or growth inhibition) by the microorganisms in these areas. Also new is a device consisting of a flat substrate (esp. a plastic film) coated with microorganisms. USE/ADVANTAGE - The method is used to detect X-rays and UV light in the A, B and C ranges, and to assess its damaging effects on humans and the biosphere. The detection system used has a sensitivity curve very similar to that of erythemia induction in humans. The method is simple to use and less expensive than known processes and it related directly to damage to genetic material caused by the radiation. The coated substrates are stable for many months in the dark.
Patent DE-4103049-A1 (DE)
Title: Cooking and boiling ring with open flame gas burner - has anti-popping ignition device housed in chamber in distribution cup
Inventor: CRAMER WILHELM DIPL ING
IPC: F23Q7/10
Filed: 1991-02-01
Abstract: A cooking and boiling ring with an open flame gas burner (1) has a distribution cup (2) with a gas supply connection (3) and tap (4), and a burtner cover (5) with outlet slots (6) for the gas. Near to the gas outlets (6) is the ignition device (7) with a switch, which is a glow igniter (7) and is protected by the cover (5). The distribution cup (2) has a ring chamber or an embayment (8) which houses the igniter (7). USE/ADVANTAGE - For increased operational safety the ignition device has  an anti-popping igniter.
Patent DE-4104586-A1 (DE)
Title: Trocar for laparoscopic operation - has inflatable sleeve attached to its lower end
Inventor: PIER ARNOLD DIPL ING DR MED
IPC: A61B17/22
Filed: 1991-02-14
Abstract: A trocar for use in laparoscopic operation technique has an inflatable sleeve attached to the outside surface of its lower end. The sleeve (3) may be made of rubber and is attached by means of adhesive to the trocar tube which is made of plastics. Alternatively, the sleeve may be made of plastics and formed with the trocar tube as a one piece moulding. The sleeve (3) is positioned at a distance of at least 5 mm from the lower end of the trocar, and is connected to a flexible tube (9) fitted inside the trocar tube. The sleeve (3) is inflated by a gas which is supplied through the tube (9). USE/ADVANTAGE - Trocar for laparoscopic operation technique. The inflatable sleeve expands the blood vessel or cavity into which the trocar is inserted.
Patent DE-4105057-A1 (DE)
Title: Continuously-variable-length exhaust resonator for combustion engine - comprises inner tube sliding in fixed outer section of exhaust pipe under manual or automatic control
Inventor: BURGER HANS-JUERGEN DR ING
IPC: F01N1/16
Filed: 1991-02-19
Abstract: The resonator is assembled from two coaxial tubes (1, 2). One (1) is fixed to the engine exhaust manifold while the other tube (2) slides at the end of e.g. a Bowden cable (6) working against a compression spring (7). The sliding of the tube (2) can be controlled using electric motor or pneumatically using a magnetic valve (15, 16) which enables continual or pulsed coded opening of the pressurised compression spring (7) chamber. An inner seal is fixed to the sliding tube (2) and moves with it w.r.t. the fixed tube (1). An outer seal is fixed to the latter. Both seals may be piston rings in grooves. USE/ADVANTAGE - Esp. with two-stroke engine, power output is increased with resonator lengthened or shortened to suit operating conditions.
Patent DE-4105347-A1 (DE)
Title: Taking liq. sample from pressure vessel - by connecting sampling container to valve of depth gauge tube
Inventor: LEHMANN HANFRIT DR
IPC: G01N1/12
Filed: 1991-02-21
Abstract: Samples are taken from a pressurised liq., using the rotary depth gauge tube fitted to a pressure vessel, by (a) tightly connecting one or more pressure-tight sampling containers to the gauge tube valve; (b) flushing the container(s) with liq. from the pressure vessel; (c) filling the container(s) with sample liq., and (d) removing the filled container(s). The sampling equipment includes (i) a pressure-tight line, pref. a hose, with pref. a shut-off valve at each end; (ii) a connection element at one end of the line for pressure-tight connection to the gauge tube valve; and (iii) at least two further valves at the other end of the line for connection to one or more sampling containers. USE/ADVANTAGE - The process is useful for sampling liquefied gases (e.g. aerosol propellants in transport tanks and containers) such as n-butane, isobutane, propane, dimethylether, butadiene, butene, isobutene, chloromethane or chloroethane. Representative samples can be taken in a simple and safe manner, almost without loss of liq.
Patent DE-4107607-A1 (DE)
Inventor: REIL WILHELM
IPC: B65D5/74
Filed: 1991-03-09
Abstract: A pouring device (10) made of plastic for mounting on a hole in a package for flowable contents and a method of manufacturing such a device are described. In order to close a hole of differently shaped packages easily and in order to guarantee the storage and transportation of such a fluid package without the risk of leakage, but on the other hand also to provide easy openability for the user and, in terms of the method, to operate with a large machine manufacturing capacity, provision is made according to the invention for the pouring device (10) to have a lower part (20) and a closure part (21), which parts are connected to one another via a hinge (22) with moveable linking, and for a pouring opening to be provided in the lower part (20), a plastic film (51) being mounted so as to extend beyond the lower part and the pouring opening. 
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Patent DE-4109875-A1 (DE)
Title: U=shaped clamp-type holder component for PCB - is made of titanium plate with both u=arms engaging around holder plate in fitted condition
Inventor: KALTENBACH KARL-OTTO
IPC: H05K13/00
Filed: 1991-03-26
Abstract: One holder arm (16) fits against the face side in the assembled position of the plate to be retained. The holder arm is linked to the U-cross bridge (13), and its sprung pivoting movement runs in a plane parallel to the U-arms (11,12). The U-cross bridge comprises two webs (14,15) connecting the end areas of the two plate-shaped U-arms (11,12) and the holder arm (16) is fitted to one of these webs. The holder arm in the rest state extends out of the plane of the U-cross bridge in the opposite direction to the U-arms. It comprises a flat locating area (17) for fitting onto the plate to be held, and a pivot arm area (18) connecting the locating area to the link point. ADVANTAGE - For retention of plate in U-cross-section clamp which has holder arm linked to U-cross bridge, with sprung pivot movement of holder arm running in plane parallel to U-arms.
Patent DE-4112785-A1 (DE)
Title: Combination plate with two outer layers of fibre-reinforced light concrete - has intermediate insulating layer comprising at least one mineral fibre plate with steel reinforcements running parallel to its long sides
Inventor: MONHEIMIUS MANFRED
IPC: E04C2/288
Filed: 1991-04-19
Abstract: The combination plate has a U-shaped recess (8,9) along the sides (4,5) of the light concrete, in which the steel reinforcement (10,11) is inserted, and fixed by cement mortar, or plaster. The steel reinforcements (10,11) are encased in a sepn. medium prior to being laid in the light concrete, and are under tension. At their ends they have counter bearings supporting against the narrow sides of the plate. The steel reinforcements have U-shaped profiles, and a side arm of each profile runs along the base of the U-shaped recess (8,9). The reinforcements consist of flat irons, running on edge to the outer layers (1,2). They are also holed. Two mineral fibre plates are involved, which are sepd. by a layer of fibre-reinforced light concrete which evolves into the insulating layer-free areas (6,7). USE/ADVANTAGE - In building construction, a combination plate which is suitable for a considerable span, has low wt. and high fire resistance.
Patent DE-4122644-A1 (DE)
Title: Vehicular hydraulic antilock braking system with wheel-slip control - operates on driven front wheels with build=up of pressure retarded by constriction in antilock braking mode
Inventor: WILLMANN KARL-HEINZ DIPL ING
IPC: B60T8/175
Filed: 1991-07-09
Abstract: Braking pressure is modulated by an arrangement (33) of two/two-way inlet and outlet valves (34,40) for the front wheel brakes (18,22). A blocking valve (27) and a constriction (30) are arranged between the electromagnetically operated inlet valve (34) and master cylinder (15). The inlet valve (34) and constriction (30) are bypassed (35) with a non-return valve (36). Another electromagnetically operated blocking valve (50) in the suction line (44) to an electric motor (42) driven high-pressure pump (41) is closed by electronic control (68) when a risk of wheel-slip is signalled by wheel speed detectors (69-72). ADVANTAGE - Driver comfort is enhanced with less noise and brake-pedal reaction during slower build-up of pressure.
Patent DE-4127929-A1 (DE)
Title: Continuous mfr. of fibre-reinforced plasterboard - from waste paper fibres and gypsum of controlled density and particle size
Inventor: BOLD JOERG DIPL PHYS
IPC: B28B1/52
Filed: 1991-08-23
Abstract: A dilute slurry of gypsum and lignocellulose-contg. fibres is distributed, opt. with additives, on a water-permeable conveyor belt. The excess water is removed by reduced suction to form a filter cake, which is further dewatered by mechanical pressure, stored until it sets and finally dried by heating. Gypsum with an apparent density greater than 950 g/l is used if the gypsum is the alpha-hemihydrate, or greater than 700 g/l in the case of the beta-hemihydrate. The gypsum particle size distribution in aq. suspension has a gradient of more than 40 deg. in an RS particle distribution diagram. There are separate circuits for fibre prepn. and board formation, and filtration is assisted by mechanical means. An installation for carrying out the process comprises: 1) a unit for producing dried gypsum; 2) a unit for producing a suspension of waste paper fibres; 3) a volumetric metering device for the fibres; 4) a downstream device for mechanically dewatering the suspension; 5) a device for diluting the dewatered fibre suspension again; 6) at least one continuous gypsum metering unit; 7) at least one continuous mixer for the fibre suspension, water gypsum and opt. the additives; 8) at least two distributor units for the gypsum/fibre suspension; 9) at least two dewatering screen belts with at least two dewatering suction devices disposed underneath; 10) opt. auxiliary dewatering device (s); 11) opt. device(s) for spreading and/or pre-densifying a dry layer; 12) a continuous press; and 13) a unit for trimming, cutting, setting, drying, grinding and opt. impregnating, stacking and packing the boards. USE/ADVANTAGE - For mfg. sandwich-type plasterboard or structural board. Combination of various process stages overcomes the disadvantages of the conventional wet and dry-screen processes, producing good quality plasterboard at high output.
Patent DE-4130372-A1 (DE)
Title: Pre-transfer guide for copy paper conveyor -  has sheet guide plates upstream of unit transferring toner image electrostatically
Inventor: FUJISHIMA TATSUMI
IPC: G03G15/00
Filed: 1991-09-12
Abstract: The transfer assembly electrostatically transfers a toner image-formed on a carrier (1), i.e. a photoreceptor drum, by development-onto a sheet, i.e. copy paper. The latter is brought into contact with the drum. Sheet guide plates (6, 7) are arranged upstream of the direction of transportation from the transfer assembly. The front edge region (7a) of the sheet guide arrangement is formed from a flat curved surface such that a part not subjected to the corona current comes first but continues to merge into a part (7b) arranged within the corona current. USE/ADVANTAGE - Copier, laser printer or similar. Stabilises transfer sheet at transfer point while keeping clean. Can be assembled into machine at low cost.
Patent DE-4131043-A1 (DE)
Title: Paddle mixers for rapid, low energy input, blending of solids - has sound wave transmitters arranged to direct sound waves on to the mix
Inventor: HOLLMANN BERND DIPL ING
IPC: B01F7/00
Filed: 1991-09-18
Abstract: Mechanical paddle mixer for powder or granular bulk materials comprises a housing (1) in which driven mixing units (4, 5) are arranged. One or more sound wave transmitting units are arranged on the housing to direct sound waves onto the mix. USE/ADVANTAGE - Production of homogenous mixtures from ingredients of differing milling, flow, bulk density and particle size properties, requiring reduced mixing time and energy inputing the formulation of building ancillary products. In an example, 3-10m3 batches in a twin contra-rotating paddle mixes were tested with sound waves at 200-400 Hz, at a level of 130-150 dB for 20-100 seconds. THe sound energy was generated by vibration of diaphragm with 5-6 bar compressed air.
Patent DE-4142602-A1 (DE)
Title: Application for cosmetic product extruded by percussion
Inventor: UCHIDA MASAKI
IPC: A45D34/04
Filed: 1991-12-21
Abstract: The applicator has a cartridge (9) contg. the prod., with a rod (1) fixed to a piston (7) moving in the cylinder, to extrude the prod. The main body of the container (4) has a chuck (2) which holds the rod and makes it advance in the cartridge when the end (13) of a percussion shaft is hit.      On the side of the percussion shaft there is a projection (19) which slides in a longitudinal groove in the container's body. The projection also moves in a transversal groove in the body when the shaft is forward, to prevent it moving backwards.
Patent DE-4143364-A1 (DE)
Title: Contact detection or function, e.g. for entering data by hand, esp. into form fields, - involves sensing vibrations between pencil and recording surface
Inventor: KOLLER ROMAN
IPC: G06F3/033
Filed: 1991-09-09
Abstract: A moving part is stimulated to mechanically vibrate.  The vibrations are measured and the effect of contact with a further part or stop determined to derive a contact function. Length measurement is achieved by entering linear sets of graphical image elements using the vibrations between a pencil and the surface on which it is used to record the image elements. USE/ADVANTAGE - The method enables sensing the forces acting on grippers, holders and clamps, etc. for length measurement, distance measurement, object coding and counting and machinery noise damping.