baber/WOPTO huggingface dataset:
Patent DE-2148496-A1 (DE)
Title: Yarn support - by bars or blades round carrying tube
Inventor: KRONSBEIN CURT
IPC: D06B23/04
Filed: 1971-09-29
Abstract: Designed particularly for handling polyacrylonitrile yarns in a dyeing or other wet treatment process, the carrying tube is provided with apertures between the bars or blades supporting yarn. The treatment fluid passes through these apertures to fill the space between the supports, and impregnates the yarn by fluid pressure. Pulling or other stresses which could distort the yarns while in a fairly plastic state under treatment temps., and which could destroy their bulk characteristics, are prevented.
Patent DE-2149666-A1 (DE)
Title: Globinolytic enzyme prepn - for diagnosis ofschistosoma infection and prepn from schistosoma types
Inventor: W DR SENFT ALFRED
IPC: A61K39/00
Filed: 1971-10-05
Abstract: A process for isolating a globinolytic enzyme protein material from adult Schistosoma worms esp. of the genus mansoni which may be used as a diagnostic agent for Schistosoma infection, consists in lyophilising the washed worms, homogenising in a buffer, centrifuging, gel filtering through a membrane retaining mols. of M.W. 10,000, concentrating the retained supernatant, chromatographing on Sephadex G-200, eluting and measuring the absorption at 280 nm, and grouping the eluted fractions into 3 groups with peaks eluted at 0.5, 0.8 and 1.0 column vols. of eluate. The second of these groups contains the immunologically active material which is further purified by chromatography on a phenylalanineagarose column and eluting first with Na acetate buffer of pH 3.94 which removes inactive material then with 0.2M-acetic acid of pH 3.0 which elutes the active protein enzyme. This is unstable but may be stabilised with protein stabilisers such as glycerine. The protein molecule contains 246 plus-or-minus 15 amino acid units acid units of 18 different amino acids and has mol. wt.
Patent DE-2241414-A1 (DE)
Title: L-dopa isolation - from plant extracts
Inventor: HIETALA PENTTI DR RER NAT
IPC: A61K36/48
Filed: 1972-08-23
Abstract: L-Dopa (3,4-dihydroxy-L-phenylalanine), which is used in the therapy of Parkinsonism, is isolated from plant extract on active charcoal, (b) eluting L-dopa with a suitable eluant; (c) repeatedly pouring the eluant onto an ion-exchange resin column which retains L-dopa; (d) eluting L-dopa from the column with ammonia soln; (e) neutralising the resulting soln so to crystalline L-dopa, and (f) opt. recrystallising the L-dopa thus obtd. The process avoids the use of Pb salts. Non-toxic mother liquors are obtd. which can be used as a fertiliser. Distn. is avoided and inflammable solvents and H2S are not used. Process is suitable for continuous operations.
Patent DE-2250209-A1 (DE)
Title: Tyre cutting appts. producing rings - by suspending tyre on loop of rope between cutting blades
Inventor: REIMANN HERBERT
IPC: B26D1/00
Filed: 1972-10-13
Abstract: Appts. for cutting a tyre into annular pieces comprises opposed, moving cutter blades. The tyre is suspended between the blades by a loop of rope passed through it. Pref. the plane of the loop is perpendicular to the cutting plane (tyre plane) and the loop hangs between cutting blades.
Patent DE-2317599-A1 (DE)
Title: Halogenated ortho benzoyl benzoic acids - nitric acid and or chromium oxidation of indanes in simpler cheaper process than friedel craft
Inventor: HILLER HEINRICH DIPL CHEM DR
IPC: C07C51/31
Filed: 1973-04-07
Abstract: Process for halogen substituted o-benzoylbenzoic acids from indanes of general formula (I) by oxidising with nitric acid and/or hexavalent chromium cpds. using 1.5 times the stoichiometric ratio in relation to the indane. (R1, R2, R3 are alkyl and R1, R3 may also be H, X and Y are both halogen or one may be H. Also di-halogen substituted o-benzoylbenzoic acids with the halogen atoms on each benzene ring ortho or meta to the carbonyl gp. specifically 2-(o-chlorobenzyl)-6-chlorobenzoic acid) (I) are used as intermediates for anthraquinones the process is simpler and cheaper than the Friedel Craft method.
Patent DE-2332522-A1 (DE)
Title: Forming press clamping head - sliding halves give progressive clamping action
Inventor: BLAKE GEORGE HARRISON
IPC: B21D24/04
Filed: 1973-06-22
Abstract: An air cylinder contains two pistons fixed to a common piston rod thus forming two independent pressure chambers. A shaft which has a circular pressure plate fixed to its upper end is placed inside the hollow piston rod and the top end of the cylinder. A spacer ring carrying compression springs is placed between the upper piston and the pressure plate. Push rods from the form tool rest on the pressure plate. The working stroke first compresses the springs to the length of the spacer ring and then the two air cushions. The progressive loading so achieved prevent excessive shock loads at the beginning of the working stroke, thus protecting press and form tool and improved the quality of the pressed component.
Patent DE-2333071-A1 (DE)
Title: Fat- or dust-arresting filter with indicating device - for vent valves, air-circulating device or ventilating systems
Inventor: LIER HEINZ VAN
IPC: B01D46/42
Filed: 1973-06-29
Abstract: The air to be purified is sucked through the filter by a vacuum produced behind the filter which increases when the latter becomes dirty. In the filter body, or in the direction of the current of air parallel to this, there is an acoustic signalling device which causes an audible noise in the event of increasing dirt within the filter body and in the event of impermeability, which results. Prod. is used for vent valves, air circulating devices or ventilating systems.
Patent DE-2333899-A1 (DE)
Title: Coding of vertically symmetrical ampoules and bottles - has rotatable carrier plate on vertical shaft with ampoule holders
Inventor: DICHTER HANS-JOACHIM
IPC: G06K1/12
Filed: 1973-06-29
Abstract: The coding may be made up of small marks round the surface of the ampoule in a ring at a fixed height. The coding may be of morse type and may be coloured. The device consists of a rotatable carrier plate on a vertical shaft with ampoule holders at its periphery. The ampoule holders are mounted on hollow shafts in bearings in the plate. The lower end of these has a cog wheel which meshes with a large toothed wheel concentric with the vertical shaft and drive, by a motor. This causes the ampoules to rotate continuously. A photoelectric sensor is mounted adjacent the coding ring and compares the code from the rotating ampoule with that from a code generator. When a difference is found a sorter is triggered to remove the ampoule.
Patent DE-2334625-A1 (DE)
Title: Grid-plan cell assembly skeleton-frame building - with grid squares separated by link zone strips with corner columns at intersections
Inventor: SCHLIEPHACKE FRIDTJOF F PROF
IPC: E04B1/348
Filed: 1973-07-07
Abstract: The cell elements are assembled on a rectangular grid plan, with load-bearing structure comprising corner columns and horizontal beams. The grid zones are laid out as squares with the corner columns, whose cross-sections do not exceed the intersecting surface square, set in the intersections of the intervening link zones, the width of the latter pref. corresponds to the grid base module, with zones width as an exact multiple of this. Storeyed development pref. progresses on the same principle, with corner beams in the link zone intersections. The system is flexible, with additions possible in any direction.
Patent DE-2336722-A1 (DE)
Title: Photographic UV recording material for permanent image - using tert. amine for stabilisation of unexposed poly-halogen cpd.
Inventor: GOETHEM HUGO VITAL VAN
IPC: G03C5/56
Filed: 1973-07-19
Abstract: Photographic recording material for UV-exposure contains a light-sensitive polyhalogen cpd. (I), pref. CBr4, which forms photoradicals selectively and opt. is reated with a dye precursor cpd. to form a colour image, the image being stabilised against further exposure by reaction of the under composed (I) with an aliphatic or cycloaliphatic tert. amine (II) to a cpd. (III) which is insensitive to light. The method aoids the disadvantages of other stabilisation methods, e.g. simple evapn. of (I) (e.g. CBr4, which is toxic) or extn. of (I) with a solvent, which could cause explosion hazards or disposal problems.
Patent DE-2338863-A1 (DE)
Title: Phase-angle control of inductive load - such as blowers has additional RC-combination in parallel to interference suppressor
Inventor: KIRMIS PETER
IPC: G05F1/56
Filed: 1973-07-31
Abstract: The continuous control of the effective current value between zero and nominal value is achieved through a triac fired by a diac connected to a potential divider. The suppressor combination consists of an inductance and a capacitor. In parallel to the capacitor is an RC component. The potential divider has a capacitor and an adjustable resistor. The inductance has a ferrite rod core with the winding limited by pushed-on flanges of insulating material with electrical disc connectors. A radial air gap of 1 to 2 mm is incorporated in the connector.
Patent DE-2343070-A1 (DE)
Title: Centrifuge driven by a hysteresis motor - with the stator cooled by an external ring with fins connected to a cooled footplate
Inventor: HANNING ROBERT
IPC: B04B5/08
Filed: 1973-08-25
Abstract: A centrifuge (esp. ultracentrifuges) has a footplate and a cylindrical bowl supported by a bearing on the plate. It is driven by a hysteresis motor with a stator fixed to the footplate and the rotor integral with the bottom of the bowl. The stator is enclosed in a plastic housing with radially extending windings and pole shoes. The plastic housing is surrounded by a metal cooling ring with ribs extending into the plastic between the stator windings. The ring is joined to the footplate which is cooled. The efficient cooling of the stator prevents heating of the bowl and production of vapours by the stator housing when the equipment operates under vacuum.
Patent DE-2348963-A1 (DE)
Title: Inverse current detection in three phase systems - is by means of suitably connected transformer windings allows detection of unsymmetrical loading and sources of network imbalancing
Inventor: VIEWEG GUNTHER DIPL PHYS
IPC: G01R11/00
Filed: 1973-09-28
Abstract: The simple device consists of suitably connected current and voltage transformers, by which the existence of transverse currents in three phase networks may be detected. This is due to asymmetrical loading of the three phases, which in turn give rise to asymmetry of the voltage supply and inverse currents. The system depends on developing voltages proportional to the supply voltage and to any inverse currents due to the asymmetry of the network voltage. A suitable operation on these parameters produces a voltage proportional to the inverse current due to asymmetrical impedance loading of the system. A correction is also required for the current actually being taken by the user concerned. The device is built simply of transformers of which the windings are suitably connected and an integrating device to display the result of the operations.
Patent DE-2351460-A1 (DE)
Title: Thrust plate for the removing of roller bearings - esp. suitable for bearings of motor vehicle half shafts
IPC: B25B27/02
Filed: 1973-10-13
Abstract: The thrust plate, halves have circular cut-outs. A rebate of opt. width is provided along the edge of each cut-out. The two halves are aligned with respect to each other by the fitted bolts which have a central portion fitting in the hole on either side of the joint line. To remove a bearing, each half of the plate is placed with the rebates behind the bearing and the two halves clamped together with the bolts. The thrust plate can be used for a range of bearing sizes from rmin to rmax. The halves may also be aligned by a matching tongue and groove.
Patent DE-2353721-A1 (DE)
Title: Lock for furniture or drawers - has actuating rods and rotating locking elements and is key operated
Inventor: BECKER GERD
IPC: E05C9/04
Filed: 1973-10-26
Abstract: The lock which actuating rods and rotating locking elements is provided with a locking cylinder which is actuated by a key. Alternatively the locking arrangement can be actuated with a profiled key into a locked and into an open position. The arrangement as an accommodating housing for two different locks. The lock housing has in the upper part a rotating lock whose pivoting pin is hollow and has a square hole. This arrangement acts as an actuating bearing. The rotating locking catch is provided with pivots for the crank lever which actuates a sliding rod. The lower part can accommodate a locked cylinder which arrests the complete locking rod and rotating catch system in the upper part of the housing.
Patent DE-2354394-A1 (DE)
Title: Aliphatic dicarboxylic acid prepn. from cyclomonoalkenes - by reaction with aliphatic dicarboxylic acids and oxidn. of cycloalkyl esters
Inventor: YASUHARA YUTAKA
IPC: C07C51/31
Filed: 1973-10-30
Abstract: Aliphatic 5-12C dicarboxylic acids (I) are prepd. by (i) reacting a 5-12C cyclomonoalkene (II) with a 4-12C aliphatic dicarboxylic acid (III), in the presence of an acid catalyst, pref. at 80-180 degrees C, and (ii) oxidising the obtd. cycloalkyl esters of (III) with HNO3, pref. at 40-120 degrees C. (I) are starting materials for prodn. of synthetic fibres, plastic compsns. and plasticisers. (II) are cheap and easily available. (III) are not lost during oxidn. and can be recycled. Acid catalyst for esterification in (i) may be H2SO4, a sulphonic acid or a cation exchanger resin, esp. contg. acid gps. in which H atoms are partly replaced by metal ions. Oxidn. catalyst in (ii) may be a combination of soluble V- and soluble Cu cpds.
Patent DE-2361286-A1 (DE)
Title: Variable focal length lens for cameras - with positive pin and slot mechanism for focal length adjustment
Inventor: WILHARM THEODOR
IPC: G02B7/105
Filed: 1973-12-08
Abstract: The focal length adjusting mechanism comprises a curved slot in the lens tube and a cylindrical pin attached to the lens holder and engaging in the slot. A second slot at one end of the curved slot also receives the pin for axial adjustment of the lens holder for close-up focusing. The pin has a flat portion parallel to both sides of the second slot cooperating with one side of this slot, and the width of the slot is matched to the cross-section of the flat portion of the pin. The pin is pref. flattened over roughly half its total diameter.
Patent DE-2361925-A1 (DE)
Title: Automatic frequency selection circuit - has several resonant circuits corresponding to number of frequencies
Inventor: MINNER WILLY
IPC: G01R23/07
Filed: 1973-12-13
Abstract: A.c. voltages at the resonant circuits are rectified and rectified signals are applied to a differential amplifier with a number of input comparator stages and outputs corresponding to that of frequencies. Only the frequency whose rectified signal has the greatest amplitude switches through the amplifier corresponding output; all the other outputs remain blocked. The differential amplifier has a further input stage, whose input level is at a fixed potential, and a corresponding output, so that when a signal is absent, or the amplitude is too low, only this output is switched through while all the others are blocked.
Patent DE-2402392-A1 (DE)
Title: Stabilisation of alkali metal per-salts - by coating with vinylidene chloride copolymers
Inventor: BRICHARD JEAN
IPC: C11D3/39
Filed: 1974-01-18
Abstract: Particulate peroxy cpds. for use as bleaches in detergent mixts. consists of an alkali metal per-salt (esp. sodium percarbonate) stabilised by a coating of a copolymer of vinylidene chloride and another polymerisable monomer (pref. a copolymer of vinylidene chloride and methyl acrylate). Although the copolymer protects the peroxy cpd. against decompsn. caused by moist air, it does not prevent release of the peroxy cpd. into aq. washing media at room temp.
Patent DE-2402577-A1 (DE)
Inventor: KECK JOHANNES DIPL CHEM DR
IPC: C07C213/00
Filed: 1974-01-19
Abstract: 2-Aminobenzylamines of the formula I <IMAGE>  in which     Hal denotes a chlorine or bromine atom;   R1 denotes a hydrogen, chlorine or bromine atom; R2 denotes a hydrogen atom or an alkyl radical having 1 to 3 carbon atoms;   R3 denotes a cyclohexyl or hydroxycyclohexyl radical and   R4 denotes a hydrogen atom; or R3 denotes the isopropylaminocarbonylmethyl or morpholinocarbonylmethyl radical; and   R4 denotes a hydrogen atom or the benzoyl radical  are prepared by reacting a compound of the formula II <IMAGE> in which X represents a trialkylammonium or pyridinium radical, with an amine of the formula III <IMAGE> This process is novel and surprisingly gives virtually quantitative yields. The compounds of the formula I and their physiologically tolerable salts with inorganic or organic acids have an antitussive, secretolytic and/or respiratory-stimulating action.
Patent DE-2416234-A1 (DE)
Title: Worm screw feed injection moulding machine overload protector - formed by a gear in the shape of an overload clutch
Inventor: SCHMIDT INGO
IPC: B29C45/47
Filed: 1974-04-03
Abstract: Drive overload protecting device is constituted by a gear which is replaceable and acts as an overload clutch, in worm screw feed injection moulding machines. Overload protector is compact and can be fitted to any existing machine without any modification. Specif., the gear includes a hub on which is journalled a gear crown which is prevented from rotation during permitted torque values by resilient desmodromical elements which are located between the side face of the crown and a radial flange of the hub.
Patent DE-2420210-A1 (DE)
Title: Cage for fast running tapered roller bearings - which is machined from high strength material and has radially inward pointing prongs
Inventor: HOERMANN KARL ING GRAD
IPC: F16C33/49
Filed: 1974-04-26
Abstract: The cage is in the form of a ring from which prongs extend between the rollers. The ring is supported on its bore by a shoulder on the bearing inner ring. The cage lies axially against the rear faces of the conical rollers, this restrains its movement in one direction. Parts of the prongs extend below the shoulder on the inner bearing ring this restrains the cage in the other direction. The prongs which lie between the rollers are formed when end mills machine the recesses in which the rollers are mounted. The prongs which are therefore of maximum dimension, are slightly undercut over most of its length leaving a slightly wider tip so that the cage contributes little to friction. An adequate radius is allowed between prongs and cage ring so that the prongs are especially strong at a critical point.
Patent DE-2421141-A1 (DE)
Title: Premix concrete lorry with detachable drum - with integral hydraulic hoists and drum drive unit on raised platform
Inventor: KORKISCH GERHARD
IPC: B60P3/16
Filed: 1974-05-02
Abstract: The concrete mixing drum (5), water tank (6) and drum drive motor (11) are mounted on a self-supporting frame (4) complete with integral hydraulic struts (8). These are extended to lift the unit off the lorry (1) to leave it on a building site where the concrete can be extracted as required while the lorry returns for another mixing unit. The stationary drum unit can be refilled from a lorry mounted drum using a simple elevator. The lorry chassis (2) is a completely separate unit, so that the vehicle can be used to transport further drums to other sites meanwhile.
Patent DE-2429316-A1 (DE)
Title: Phenyl-chloro-5(p-acetyl-amino-benzene-sulphonyl)-amino pyrazole - has coccidiostatic properties
Inventor: RADULESCU OCTAVIAN E
IPC: C07D231/42
Filed: 1974-06-19
Abstract: The aminopyrazole derivs of formula (I): a coccidiostat, is prepd by reacting 1-phenyl-5-(p-acetylaminobenzenesulphonyl)amine pyrazoline (II) with aq. NACL soln (14-17% active chlorine) in acetic acid at a ratio 1:3-4:40 at 20-30 degrees C and recovering product by filtration.
Patent DE-2430553-A1 (DE)
Title: Fresh air duct for car interior - under steering column with deflector for mixing with warm air in car
Inventor: PABST HANS-GEROG DIPL ING
IPC: B62D1/16
Filed: 1974-06-26
Abstract: The fresh air inlet duct (6) is mounted as part of the cowl under the steering wheel. The duct is operated by a flap (9) which is easily reached by the driver. The fresh air is directed upwards to strike a deflector plate (8) under the dashboard, or as part of the upper cowl of the steering column. This disperses the air to mix with the warm air inside the car. Also the driver's clothes are first struck by the air, which reaches the face when warmed. The arrangement leaves plenty of space free beneath the dashboard.
Patent DE-2435229-A1 (DE)
Title: hydrogen prodn. by decomposing water - in chemo-thermal cyclic process comprising splitting and reconstructing ammonium iodide
Inventor: BEHR FRIEDRICH DIPL ING
IPC: C01B3/06
Filed: 1974-07-22
Abstract: Hydrogen is prepd. by decomposing H2O, with inorg. ammonium or alkali(ne earth) metal salts used as reaction aids, by a chemo-thermal cyclic process comprising >=3 stages. In one stage NH4I is split, the resulting HI is decomposed into H2 and I2, in a further stage, NH4I and an iodates are formed with participation of I2 and/or NaI, NH3 and water, NH4I is recycled, H2 and O2 (obtd. by decompsn. of the iodate) are collected as net reaction prods. Iodine is removed from the gas mixt. with aid of a liq. or solid substance pref. an alkali(ne earth) metal halide. The metal iodide is pref. an alkali- and/or alkaline earth metal iodide. The metal halide can be an alkali(ne earth) metal chloride, which forms with ammonia NH4Cl, the latter is subsequently converted back into the metal chloride with liberation of NH3 which is reacted with HI to form NH4I. This process can be also carried out with the use of NH4Cl or NH4Br instead of NH4I. This process is based on reactions in aq. soln. pref. at 40-120, esp. 40-60 degrees C, the process can be carried out at normal press. pref. however, increased pressures are applied (>=40 atmos. Thus, the technology is simplified and the economy of the process is good.
Patent DE-2458613-A1 (DE)
Title: Crown cap applicator for bottling machine - water stream feeds cap to applicator head and also cleans bottles
Inventor: FUHRMANN PETER
IPC: B67B3/06
Filed: 1974-12-11
Abstract: The bottle capping machine which applies crown corks and which may have a set of vertically reciprocated applicators (1) which rotate about a vertical axis, each applicator having a centring collar (2) with a funnel-shaped hole through, and which is forced down onto the bottle neck with the crown cap inside, has a slot (3) inside each applicator into which the caps (6) are fed, one for each operation, from a curved feed chute (8) which terminates in a horizontal discharge portion. A water supply line (9) is connected to this horizontal portion, and the flow of water is used to feed the caps into the applicator head. The water may include a disinfecting medium, and it may be at a temperature of between 60 and 80 deg.C, and can flow over the bottle, cleaning it after the cap has been fitted.
Patent DE-2459658-A1 (DE)
Title: Material process chamber seal - has a convex wall with inlet covered by a continuous flexible belting
Inventor: WOODBERY EUGENE T
IPC: D06B23/16
Filed: 1974-12-17
Abstract: An appts. is claimed to seal a process chamber, where web or sheet material is passed into a chamber where the pressure is different from ambient pressures or conditions, with one chamber wall given a curved convex profile and provided with a slit for the material to be processed to pass into the chamber. The sealing is effected by a flexible membrane which is pressed against the convex wall surface overlapping the dimensions of the inlet slit. The design gives a sealing system whch effectively separates the chamber's interior from the ambient atmos. prevents any leakage, and which does not require any lubricant which would attract dust and dirt, in a simply manufactured and economic-running unit.