baber/WOPTO huggingface dataset:
Patent DE-4121758-A1 (DE)
Title: Agent for carrying out photometric determn. in aq. soln. - comprises reagent embedded in water-soluble organic polymer of large surface area contained in envelope open at both ends
Inventor: FISCHER WOLFGANG DR
IPC: G01N21/77
Filed: 1991-07-01
Abstract: Agent (I) comprises (A) carrier film, (B) film sealed thereon, forming cavity of thicknes 2-20mm and open at both ends, reagents required for determn. being embedded in a water-soluble organic polymer (II) having surface more than twice that on which the cavity is based. Process comprises carrying out photometric determns. in aq. solns. by means of a reagent embedded in (II) and contained in a cavity formed from two films, open at both ends and forming a layer 2-20mm layer thick, (II) having, in relation to base of the cavity more than twice as large a surface, the reagent being liberated by dissolving (II). USE/ADVANTAGE - Disposable (I) packs, partic. for diagnostics in medical laboratories, esp. for series investigations, wherein test soln. e.g., body fluid such as serum or urine is added, e.g., by dipping (I) into the soln., also in metal and ore analysis, testing drinking water, etc., analysing foodstuffs, and monitoring hygiene. Reagent is rapidly dissolved or dispersed, even from thicker (I).
Patent DE-4122799-A1 (DE)
Title: Fluid flow speed measurement appts. esp. for mechanically or chemically abrasive and high temp. fluids - has obstruction body in flow and downstream turbulence detector with light barrier detection of motion of protruding rod
Inventor: HERZOG JEAN-PHILIPPE DR
IPC: G01P5/01
Filed: 1991-07-10
Abstract: An arrangement for measuring the speed of a flowing fluid contains a disturbance body in the fluid, a plate-shaped turbulence sensor protruding into the fluid downstream of the body and a transducer which detects the sensor's movements. The disturbance sensor has a rod-shaped fitting which protrudes beyond its pivot axis. The optical axis of an optical observation device is arranged at a distance to and parallel with the pivot axis. The optical arrangement has light conductors (26,27) with the sensor body (23) between their coaxially aligned ends. USE/ADVANTAGE - E.g. for heat supply plant or processing plat. Insensitive to electromagnetic disturbances at measurement point and can withstand explosions. It can remain unused for long periods and has easily replaceable functional parts.
Patent DE-4123177-A1 (DE)
Title: Cold cathode fluorescent lamp of plate type - has reflective film on inner side of one glass plate and fluorescent layer on other
IPC: H01J61/30
Filed: 1991-07-12
Abstract: A discharge gas and mercury are provided in the space defined between two glass plates (11a,11b) of the planar type fluorescent lamp (10). A fluorescent layer (14) is formed on one side. Electrodes (16a,16b) are provided at the opposite ends of the lamp. An antireflection layer (12) is formed between one (11a) of the glass plates and the fluorescent layer (14) formed on it. A reflection film (13) instead of a fluorescent layer is formed on the other (11b) plate. ADVANTAGE - Uniform and high intensity light.
Patent DE-4129549-A1 (DE)
Title: Measuring level and density in liquid container or open channels - sucking or forcing liq. into immersed tube and evaluating differential pressure w.r.t. time
Inventor: SCHWEIGER O- BAD SCHMIEDEBERG
IPC: G01F23/22
Filed: 1991-09-05
Abstract: The method involves sucking or forcing the liquid into a tube immersed in the liquid and evaluating the differential pressure formed in the tube by the build-up of the vacuum or pressure against time. The vacuum or pressure reaches a minimum value when the liquid column reaches two tube sections with expanded cross-section. The absolute pressure at marking points corresp. to the minima are stored in the electronic evaluation unit as measures of the liquid column wt. and are used to derive the level and density. USE/ADVANTAGE - Combined level and density measurement arrangement achieved using single sensor mounted outside container and accessible for periodic testing.
Patent DE-4131734-A1 (DE)
Title: Anti-collision device on rear of utility vehicle - is automatically lowered during collision, to prevent following car  being crushed
Inventor: SCHIMMELPFENNIG KARL-HEINZ
IPC: B60R19/56
Filed: 1991-09-24
Abstract: The device is mounted on the rear of a utility vehicle, to protect the passengers in a car during a collision, to prevent the car from driving under the lorry, etc. It is fastened,at least indirectly, to the lorry chassis. In normal operational conditions, it is located at a fixed height above the road surface. If a car collides with the rear of the lorry, the device is lowered automatically due to collision forces. These forces are reinforced by hydraulic, pneumatic, or pyrotechnic energy sources. USE/ADVANTAGE - For following car protection,with collision forces introduced at car bumper level,preventing the car crushing.
Patent DE-4132060-A1 (DE)
Title: Suction pick=up appliance - has valve in suction duct, and has suction pipe opening and compartment, with perforated plate and valve membrane
Inventor: MERZ PAUL
IPC: B65G47/91
Filed: 1991-09-26
Abstract: The suction pick-up appliance has a valve in its suction-duct. A suction-pipe between a suction-opening and a suction-compartment opens and closes. A valve (4) pre-tensioned into its closed position can be opened by force (8) exerted by placing the suction-pickup appliance onto an object to be transported by it. A perforated plate (1) has holes (2) into which fit bulges (4) with operating pins (5) in a valve-membrane (3) in a chamber (6,7). The lower part of the chamber (6) between the perforated plate (2) and the valve membrane (3) is subject to a vacuum, while the upper part-chamber (7) between the valve-membrane (3) and a top chamber-wall (18) is exposed to excess pressure. The grip side of the perforated plate (1) has sealing-lips (9) for the holes (2). ADVANTAGE - A flat suction-pick-up appliance is produced.
Patent DE-4135371-A1 (DE)
Inventor: PLATTE HANS-JOACHIM
IPC: G11B27/10
Filed: 1991-10-26
Abstract: It is known to provide a cassette with a static memory in which parameters of the magnetic tape are recorded, such as tape status, recorded titles, type of tape, length of tape, type of recording process or premagnetization. The object of the invention is to provide a new type of reader for the static memory of such a cassette that opens new possibilities of application and is in particular useful for future small digital videocassettes. The reader is designed as a handy unit (1) that may be operated independently from the recorder and is provided with a receptacle for the cassette (7) with contacts (6) for the memory (11), as well as a field (2) for displaying the content of the memory (11). The invention is particularly useful for digital videorecording cassettes.
Patent DE-4139625-A1 (DE)
Title: Flame-resistant thermoplastic moulding compsns. - comprise polyphenylene ether] vinyl]-aromatic polymer, and alkyl-substd.-phenyl phosphite
Inventor: SEELERT STEFAN DR
IPC: C08L71/12
Filed: 1991-11-30
Abstract: The compsns. (I) contain (A) 5-83 % (all pts. wt.) polyphenylene ether (II) (B) 5-80% vinyl aromatic polymer (III) (C) 7-30 % aromatic phosphite (IV), where n = 1-5; R (same or different) are straight or branched chain alkyl of max. 10C (D) 0-60 % effective amts. of conventional additives. Pref. (II) has wt.-average mol. wt. 10,000-60,000, R = branched alkyl or max. 4C, and partic. (IV) is tris(2,40di -tert.butylphenyl) phosphite (V). (I) contain 20-73 % (II), 20-70 % (III), and 7-20 % (IV). USE/ADVANTAGE - (I) are used for prepn. of fibres, films, and shaped articles (claimed), partic. for the electrical industry. (I) have adequate flame protection at relatively low P content. Heat-dimensional stability of mouldings is not deleteriously affected.
Patent DE-4143167-A1 (DE)
Title: Measurement and adjustment appts. for precision measurement equipment - passes reference laser beam via path length multiplier to monitor unit for laser drift measurement
Inventor: SANDER HORST
IPC: G01C15/00
Filed: 1991-12-30
Abstract: In order to detect laser drift, the appts. separates a reference beam from a beam from a laser diode using a beam divider and feeds it to a monitor unit. The reference beam (5) is passed through a path length multiplier (6) to the monitor unit (11). The monitor unit detects the reference beam and performs a correction. A deflection mirror (10) is arranged between the path length multiplier and monitor unit. ADVANTAGE - Enables high resolution measurement of laser drift, free of mechanical, thermal and atmospheric disturbances.
Patent DE-4205406-A1 (DE)
Title: Method for photogrammetric survey and analysis of static object - using CCD video camera with automatic location of reference points during scanning of target colour image
Inventor: LUTTER GERHARD DIPL ING
IPC: G01C11/00
Filed: 1992-02-20
Abstract: The method employs a pattern recognition technique when scanning the complete image. A charge coupled device (CCD) video camera is used for the measurements and with accuracy of location results a consequence of the known geometry and colour content of the reference points. A clear discrimination between the reference points and surrounding regions is thereby ensured. USE/ADVANTAGE - Automatically recognising location of specific reference areas during photogrammetric scanning/analysis of  colour video image generated by target object. Accelerates task of identification and analysis with saving of operator time. Enhances accuracy of inexpensive commercially available camera equipment.
Patent DE-4207056-A1 (DE)
Title: Curling aid for permanent waving - is of absorbent foam material preventing skin=moistening and forming cushion
Inventor: KREUTZER ANNEGRET
IPC: A45D7/04
Filed: 1992-03-06
Abstract: The curling aid is for permanent- or water-waving by hairdressers. It is of absorbent foam material, so as to prevent moistening by chemicals of the skin of the head and consequent irritation or allergy. It forms cushioning for the hair, preventing breakage of the latter. The material can be supplied in different thicknesses for waving to different depths, and can be used again several times. ADVANTAGE - Maximum protection of skin from aggressive liquids.
Patent DE-4207727-A1 (DE)
Title: Pallet incorporating elastic support - comprising buffer elements of polyethylene@ or polypropylene@ foam
Inventor: BEHNKE JUERGEN
IPC: B65D19/38
Filed: 1992-03-11
Abstract: Pallet has a base (2) standing on feet (3) which bear on a surface via buffer elements (4) and bottom rails (5). The buffer element is bolted (9) between the bottom rail and the pallet foot. It is mfd. from polyethylene or polypropylene foam with a density related to the weight and condition of the material carried, partic. about 60 kg/m3 for a material weighing 100-150 kg. ADVANTAGE - Sensitive products can be carried without special packing.
Patent DE-4211194-A1 (DE)
Title: Safety and acoustic enclosure for machine tool - has viewing window with inside transparent disk that is rotated by fluid jet at speed sufficient to throw off dirt and maintain visibility
Inventor: CREMER KLAUS
IPC: B23Q11/08
Filed: 1992-04-03
Abstract: In a wall (3) of the enclosure are one or more viewing windows through which the machining operation can be observed. The window aperture (4) may be square or circular, and behind it is a rotating transparent disk large enough to cover the aperture and having a seal (9) against the inside of the wall. Fixed in the aperture in front of the disk is a transparent panel (10) with a central bearing (11) for the disk. A nozzle (13) directs a jet of air, cutting fluid or hydraulic oil onto turbine blade slots (12) cut into the periphery of the disk, thereby driving it round or a speed sufficient to throw off chip debris and cutting fluid and maintain continuous visibility. ADVANTAGE - Does not need compressed air or hydraulic oil etc as an energy source.
Patent DE-4211895-A1 (DE)
Title: Inflatable car seat - has internal cushion filled with porous foam which can be inflated or deflated by air pump
Inventor: FAUST EBERHARD DIPL ING
IPC: B60N2/90
Filed: 1992-04-09
Abstract: The car seat with a deformable body support is covered with padding and contains at least one airtight elastic cushion connected to an air supply via a pump (8) and a valve (9). The cushion is filled with porous elastic foam. In the slack state, the foam assumes a basic contour. By suitable switching of the pump, the cushion can be inflated or deflated to suit the person on the seat. Several possible shapes of the foam body within the cushion are shown and it may possess ribs which create cavities between the foam and the cushion in the slack state. ADVANTAGE - Allows adjustable seat contour to suit person on it.
Patent DE-4213841-A1 (DE)
Title: Shut=off valve with anti-corrosive inner plastics lining - has structured surface over inside wall of valve to ensure secure hold of lining.
Inventor: HATTING PAUL
IPC: F01C21/10
Filed: 1992-04-29
Abstract: The structured surface forms small protrusions (3) and recesses (4) with rear cut sections (5). The distance between the tips of the largest protrusion and the bottom of the lowest recess should be no more than 5 mm, pref. 0.1 to 3 mm. The protrusions and recesses are arranged irregularly and can be formed by using plastics balls which are embedded in the surface wall as the housing is cast and then melted away. The walls can be thin but without undue weakening. The plastics material flows into the recesses so that the layer is anchored with a full flat surface against the inner wall. USE/ADVANTAGE - Easier mfr. of shut-off valve with long service life ensuring the lining does not lift up at critical areas.
Patent DE-4214771-A1 (DE)
Title: Rotary wet classification process for fine materials - comprising rotating bladed wheel arranged in rotating flow field which has outer region and inner region, useful in wet grinding circuits
Inventor: FENG PING CHANG DR ING
IPC: B04C5/16
Filed: 1992-05-04
Abstract: (A) in a rotary wet classification process, a rotating bladed wheel (12) is arranged centrally in the rotating flow field which has, w.r.t. a common axis (2) with the wheel (12), an outer region (Ba), in which the liq. moves away from the wheel (12) with at least a component (ba2) parallel to the axis (Z), and an inner region (Bi), in which the liq. moves towards the wheel (12) with at least a component (biz) in the opposite direction parallel to the axis (Z). (B) appts. for carrying out the process is also claimed. USE/ADVANTAGE - Useful in wet grinding circuits, e.g. for prodn. of fine coating kaolin or desliming of finely aggregated ones. The classifier is inexpensive to mfr. and provides reliable classification of ultra-fine particles with high throughput and good sepn. capacity.
Patent DE-4217030-A1 (DE)
Title: Two=stroke IC engine with single valve - has ignition duct and large scavenging time cross=section
IPC: F02B75/02
Filed: 1992-05-22
Abstract: The large valve (1) dia. requires ignition via a duct, with the spark plug in an eccentric position at the cylinder side, well clear of the valve. The ignition duct leads up to the piston centre. The rapid ignition distribution is attained by ducts branching out through the piston top edge for simultaneous ignition at several piston points. The combustion chamber is pref. lens-shaped and scavenging takes place through ports in the lower region of the cylinder wall. USE/ADVANTAGE - Rapid scavenging of two-stroke IC engine with fresh air precompression.
Patent DE-4217883-A1 (DE)
Inventor: LEINEN HANS-THEO DR
IPC: A01N43/50
Filed: 1992-05-29
Abstract: Disclosed are antimicrobially active mixtures comprising (a) at least one antimicrobially active imidazole or triazole compound and (b) at least one antimicrobially active iodopropinyloxyethanol carbamate compound, the ratio by weight of a:b being approximately in the range 50:1 to 0.01:1.
Patent DE-4218057-A1 (DE)
Title: Hinge pin for car door hinge - has at least one stepped-down section of reduced dia. in longitudinal direction
Inventor: KLUETING BERND-ALFRED DIPL ING
IPC: E05D5/10
Filed: 1992-06-01
Abstract: The maintenance-free hinge pin mounted is effected by collar brushes of maintenance free material inserted into the eyelets of the pin bearing hinge half. The precise calibration of the brushes is provided by driving in their rounded front end. The hinge pin has at least one stepped-down section of smaller dia. when viewed in its longitudinal direction. In the region of its drive-in end, the hinge pin has a larger dia. than that of its bearing part over a limited length. USE/ADVANTAGE - Facility for bush smoothing and calibration without material seizing.
Patent DE-4227844-A1 (DE)
Title: Continuous vertical height control for horizontal surfaces - especially desk or table tops, has drive units, lifting units, cogged belts and pulleys.
Inventor: BAUMEISTER KARLHEINZ
IPC: A47B17/02
Filed: 1992-08-22
Abstract: At least two horizontally spaced apart units (1) are connected by a rotary drive shaft (3). Each drive unit (1) has at least two horizontally spaced apart lifting units (2) at right angles to the drive shafts lengthwise axis. Each lifting unit consists of a cogged belt pulley (5) mounted on a vertical axle on or in a vertically fixed bracket (4). A threaded spindle (6), joined to the cogged belt pulley, has a vertical lifting column (7) on it, with vertical threaded hole (8). A horizontal plate (10) rests on the top sides (9) of the drive units lifting columns. The two cogged belt pulleys of one drive unit are joined by a cogged belt (11). USE/ADVANTAGE - Horizontal panels, esp. office desk tops, can be continuously vertically adjusted in height.
Patent DE-4229798-A1 (DE)
Inventor: HESSE KURT
IPC: A63H3/46
Filed: 1992-09-09
Abstract: The invention relates to a game piece with a body open towards the bottom, in which body arms and legs are inserted, which are movable relative to the body, at least the legs being secured by means of at least one supporting part, introduced into the body from below, and being fixed to the latter in a manner such that they can be brought into a spread position, the two legs (4, 4') being arranged on the supporting part (12) to be capable of pivoting outwards from a predetermined, i.e. defined, basic position in order to achieve a spread position, and means being provided for achieving a restoring force which, when the loading is removed, automatically returns the outward-pivoted legs (4, 4') inwards into the basic position. <IMAGE>
Patent DE-4230415-A1 (DE)
Title: Ultrasonic thickness measurement system e.g. for fat and muscle - includes piezoelectric crystals and ultrasonic processing circuits for imaging of organs and different layers of tissue
Inventor: SCHIMITZEK PETER
IPC: G01N33/12
Filed: 1992-09-11
Abstract: The system includes an ultrasonic measuring head (38) which is placed with a water-filled cushion (40) in contact with the carcase near its back mid-line (20) at the level of the penultimate and antepenultimate ribs (13). A pulse of about 110 volts sends an ultrasonic wave into the layer of fat (11) overlying the muscular layer (12). The echo is processed by spatial and spectral filters with scaling functions, segmentation or similar methods and an electronic computer with a mathematical model of the object under investigation. USE/ADVANTAGE - For classification of carcases of pork, more accurate measurement is possible with increased pulse amplitude giving a sharper image esp. at the boundaries.
Patent DE-4234749-A1 (DE)
Inventor: SCHMID OTTO
IPC: B60T8/36
Filed: 1992-10-15
Abstract: A pressure-limiting magnetic valve for drive slip controlled braking systems for motor vehicles has a seat valve with a valve seat (14), a valve member (26) and a return spring (27) which holds the seat valve in the open position. The valve member (26) is secured to an axially movable valve slide (21) within the valve housing (10) which is moved into the closed position of the seat valve by an electromagnet (30) when the latter is powered. In the closed position of the valve a pressure-limiting spring is active, setting the valve opening pressure of the seat valve. In order to achieve a simple valve design providing for easy and accurate setting and adjustment, as well as a simplified direct mounting of the magnetic valve, the valve slide (21) is subdivided into coaxial slide elements (22, 23) movable with respect to each other. The first slide element (21) carries the valve member (26) and the other slide element (22) can be driven by the electromagnet (30). The pressure-limiting spring (28) is supported between both slide elements (22, 23).
Patent DE-4239436-A1 (DE)
Inventor: TIEFENSEE KRISTIN DR
IPC: C08L25/12
Filed: 1992-11-24
Abstract: A moulding composition comprising, based on the sum of A, B, C and D,     A: from 5 to 50% by weight of a methyl methacrylate polymer A comprising, based on A,   A1: from 80 to 100% by weight of units of methyl methacrylate (A1), and A2: up to 20% by weight of units of an alkyl acrylate having up to 8 carbon atoms in the alkyl radical (A2),   B: from 5 to 50% by weight of a styrene-acrylonitrile polymer B comprising, based on B,     B1: from 75 to 85% by weight of styrene, and   B2: from 15 to 25% by weight of acrylonitrile,     C: from 0.02 to 3.0% by weight of a polysiloxane of the formula I <IMAGE>  in which     R<1> is C1-C6-alkyl or aryl, and R<2> is hydroxyalkyl or aminoalkyl, each having 1 to 6 carbon atoms, and where   n is at least 5, and the polysiloxane has a viscosity of less than 500 cSt at 25@C, and D: from 5 to 60% by weight of a graft copolymer D having a particle size of 0.2  mu m or less and comprising, based on D,   D1: from 30 to 80% by weight of an elastomeric graft base D1 comprising predominantly units of butadiene, isoprene or a C4-C8-alkyl acrylate and having a glass transition temperature of below 0@C, and D2: from 20 to 70% by weight of a graft shell D2 comprising, based on D2,   D21: from 30 to 100% by weight of units of one or more (meth)acrylic esters ((meth)acrylates) of C1-C8-alkanols, and   D22: up to 70% by weight of units of a vinylaromatic monomer,     with the proviso that the difference between the refractive indices n<25>D of the graft copolymer D and of the mixture of A, B and C is less than 0.01.
Patent DE-4239952-A1 (DE)
Title: Rectangular cross-section bridge element for light loads - has end protrusions with notches while end recesses have lugs and contract forces
Inventor: KUBSCH GUENTER DR ING
IPC: E01D15/14
Filed: 1992-11-27
Abstract: The ends of the rectangular cross-section have ramps, consisting of several, offset protrusions (2) and recesses (4), which are mutually arranged in a diagonal. The protrusion have notches (3) while the recesses have lugs (5) and contact faces. The protrusions have each a bore (7). The contact faces are pref. fitted at both sides of the bridge element (1) in the region of the top and bottom chords. On coupling two bridge elements (1,1'), the lower edge (11) of the protrusions lies in the same plane as the bridge element lower edge. ADVANTAGE - Simple, reliable and low-cost design with easy transport and handling.