baber/WOPTO huggingface dataset:
Patent DE-2300132-A1 (DE)
Title: Metallurgical melt stirring - with reciprocating agitator
Inventor: OESTBERG JAN-ERIK
IPC: F27D27/00
Filed: 1973-01-03
Abstract: The agitator is immersed in the melt and reciprocates along a substantially straight line. It has two working surfaces (top and bottom) extending transversely to its axis of movement. It is reciprocated at a speed of >=15 times the dia. of the larger working surface per sec. The vessel is substantially wider than the stirrer permitting the setting up of toroidal shape melt flow patterns which combine between the end positions of the agitator movement, the flow in this common region being transverse to the direction of movement of the agitator.
Patent DE-2339580-A1 (DE)
Title: Dynamic measurement of motor vehicle operating data - is made on roller test stand on which vehicle wheels are rolling
Inventor: HAUCK FRANZ
IPC: G01M17/007
Filed: 1973-08-04
Abstract: A flywheel mass is connected to at least one roller. The speed of wheels running on the rollers connected to the flywheel masses is increased from nil to a maximum value; a signal proportional to speed is generated, differentiated and multiplied by a signal corresponding to the flywheel mass, so that a signal is produced, characteristic of the traction at the vehicle wheels; this signal is multiplied by the signal proportional to the speed, so that a signal is produced, characteristic for the power applied to the stand rollers; when maximum speed is reached, the engine is disconnected and the deceleration of the flywheel mass is measured.
Patent DE-2340886-A1 (DE)
Title: Mercapto alkyl silicon cpds prodn from thioethers - prepd by adding mercaptans to ethylenic silicon cpds, by heating with acid Friedel-Crafts catalyst or transition metal halide
Inventor: PUI MUI JEFFREY YICK
IPC: C07B61/00
Filed: 1973-08-13
Abstract: These cpds. are produced by reacting a Si cpd. of formula R1R2R3C-S-R4-Si triple bond (in which R1, R2 and R3 are monovalent hydrocarbyl gps. or R3 can be H; R4 is a divalent hydrocarbyl gp. with the C atom of a methylene gp. bound to S; the free Si valencies can be bound to hydrolysable gp(s). monovalent organic gp(s). or O, this beng bound to other Si atoms, forming siloxanes) at 100-300 degrees C in the presence of an acid Friedel-Crafts catalyst or a transition metal halide. This one-stage process is very simple and efficient and gives almost quantitative yields from known starting materials. These can be reacted in 1:1 molar ratio without the use of special high-pressure reactors. No by-prods. are formed and no solvent is necessary.
Patent DE-2341931-A1 (DE)
Title: Safety device with guard for punch press - prevents machine from functioning while guard is open
Inventor: REIS WALTER
IPC: F16P3/04
Filed: 1973-08-20
Abstract: A component fixed to the moving part of the machine works along with a stationary component. A safety device prevents a relative movement between these components so long as the guard is open. In a prefd. embodiment the component fixed to the moving part takes the form of a plug which fits into the stationary component which may be a socket and the safety device is a lever connected to the guard on one side and the socket on the other. The pivoting lever between the stationary and the moving component, is chamfered, and releases a second lever which frees the safety device.
Patent DE-2343485-A1 (DE)
Title: Trapezoidal wave form sheet metal plate - has connecting profile produced by rolling free edge of plate
Inventor: BIRKELBACH WALTER
IPC: B29B7/00
Filed: 1973-08-29
Abstract: The composite profile is a trapezoidal wave formed sheet metal plate which is covered with a thick layer of foam plastics. The edge profile for connection is made after the foam plastics reaction is completed. The completion time of the reaction is achieved when the applied liquid plastics foam has expanded, adhered to the sheet metal plate and formed a rigid structure. The connecting edge can be produced by rolling as well as by bending. The connecting profile is produced by rolling the free edge of the plate. The foam plastics layer fills the profile of the trapezoidally formed plate. The connecting edge profile is rolled. A groove is formed in the edge of the plastics layer.
Patent DE-2349011-A1 (DE)
Title: Motor driven time relay - has switching wheel, prestressed by resetting spring, driven by motor via gear drive
Inventor: PFEIFFER WOLFGANG
IPC: G04F3/06
Filed: 1973-09-28
Abstract: The motor driven time relay has a switching wheel prestressed by a resetting spring driven by a motor with a gear train. Between the motor and the gear train is a mains voltage depedent coupling. The switching wheel, or a wheel connected to the same, has a toothed rim with a blocking toothing. The rim has a gap into which can engage a pawl cooperating with the blocking toothing, after termination of a preset time interval. Thus the switching wheel can be reset under the force of the resetting spring in its starting position. The rim and the pawl are designed to come into engagement after termination of the switching wheel resetting run. The toothed rim may be worm-shaped when the time period is permanently preset.
Patent DE-2400942-A1 (DE)
Title: Thin layers of high-melting metals mfr. - by sintering in reducing atmos, a layer of paste contg. pulverulent metal (oxide) with resinous binder
Inventor: HATTORI YOSHINORI
IPC: B22F3/00
Filed: 1974-01-09
Abstract: Thin layers (or tubes) of high - melting metals (m.pt. >=900 degrees C) are produced by mixing a pulverulent metal or its oxide (which can be reduced with H2) with 3 - 20 wt. % (w.r.t. the powder) of an org. binder, e.g. a butyral or acrylic resin, a plasticiser and a solvent; forming a thin layer of the resulting paste (or a tube) e.g. by extrusion; and sintering it in a reducing atmos. (pref. H2). Difficulties inherent in rolling high - melting metals are avoided. Articles having a thickness of 10 - 800 mu can be produced.
Patent DE-2401140-A1 (DE)
Title: Slip-free tyres for summer and winter use - features addition of powdered, granular or formed carborundum into raw mixture
Inventor: HADROSCHEK WILFRIED
IPC: B60C11/14
Filed: 1974-01-10
Abstract: The slip-free tyres are for summer and winter use, whereby the addition of carborundum into the material masticated into the raw mixture during manufacture, an optimum skid strength of the road-contact faces is ensured in the finished state and during operation. Powdered, granular or formed carborundum is used for he vulcanised faces and the same benefits can also be obtained for remould tyres by using a suitable bandage. The tyres can be used on automobiles or in heavier versions for lorries, buses or aircraft wheels.
Patent DE-2408579-A1 (DE)
Title: Horizontal drum metallurgical converter - with eccentrically arranged charger-burner opening and vent
Inventor: REICHERT HANS DR
IPC: F27B7/20
Filed: 1974-02-22
Abstract: The vent and charger-burner opening are arranged at opposite end-walls and are above the axis during melt heating. Vent gases leave through a flue. The converter may be rotated about its axis, in which case the vent attaches itself to a movable cranked gas take-off. Nozzles now become immersed in the melt and a cleaning or stirring gas e.g., Cl2 can be introduced. The melt may be tapped from an opening in the side-wall.
Patent DE-2409821-A1 (DE)
Title: Sectional longitudinally adjustable ladder - has overlapping rung treads for improving stability
Inventor: KUEMMERLIN WALTER
IPC: E06C1/32
Filed: 1974-03-01
Abstract: The ladder with adjustable length has at least wo sections which are able to slide in the longitudinal direction of the ladder assembly. Each successive ladder section slides between the parallel struts of the previous section. The rungs are formed from profiled sections. The rungs are joined to the strut profile front side or to open slots into the struts. The rung profile tread projects forward beyond the strut front face. In the locked position the treads are in overlapping contact in the overlapping areas of the ladder sections. This arrangement forms positive locking of the ladder and improves safety. The treads can be arranged at an angle to the struts to improve stability of the overlapping arrangement.
Patent DE-2410160-A1 (DE)
Title: Hospital bed with infinite height-adjustable mattress frame - has drive mechanism of only two clamping members for raising and lowering mattress
IPC: A61G7/012
Filed: 1974-03-02
Abstract: The drive mechanism which is used to infinitely raise and lower the mattress frame parallel to the bed comprises two clamping members which are mounted to rotate at different distances from each other. These clamping members engage at axial spacing on the push rod which is attached to one of the two parallel shafts of the chassis and is normally guided in an axially free manner and thus alternately can too clampingly engage with the rod. These clamping members are also biased in the same direction relative to each other against the free end of the push rod wherein one locking clamping member which locks the rod in the lowering direction of the mattress is mounted to be locally fixed in the drive mechanism and has a release rod for overcoming the cant whilst the other movable clamping member which extends the push rod in the raising sense of the mattress has a rotary bearing which moves to and fro along the push rod and is in driving connection with the operative end of a leverage mechanism.
Patent DE-2412637-A1 (DE)
Title: Silicon nitride parts with continuous transition of properties - from hot pressed to reactive sintered material, for gas turbine discs
Inventor: FICKEL ALBRECHT DIPL ING
IPC: F01D5/28
Filed: 1974-03-15
Abstract: moulding for use under high centrifugal force or similar stresses has a continuous transition of the props of hot pressed Si3N4 to those of reactive sintered Si3N4 over its cross-section. It is produced by providing a reactive sintered Si3N4 moulding with an oxidic pressing aid in the zones to be consolidated and consolidating by hot pressing gradually with a profiled die at 1600-1800 degrees C and 150-500 kp/cm2. Used for rotor discs in hot gas turbines etc.
Patent DE-2413607-A1 (DE)
Title: Movement clutter suppression device - is for the video range of a coherent quadrature radar system
Inventor: LIEM TIAN GWAN DIPL ING
IPC: G01S13/28
Filed: 1974-03-21
Abstract: The suppression is realised by further processing of amplitudes of the input signal in-phase and quadrature components in accordance with the output signal of a channel evaluating their phase relations. This channel contains at its input a device for continuous determination of their instantaneous phase relations. It is connected to a subtraction circuit whose one input is connected to a delay line and whose delay time is equal to the radar period, and to an amplitude threshold whose output signal is the signal to be further processed. A further subtraction circuit with two inputs is provided between the above subtraction circuit and the amplitude threshold, whose one input is connected to a further delay line with a different delay time corresponding to the radar range resolution.
Patent DE-2415454-A1 (DE)
Title: Subst. quinoxalinium cpds as colour-bleaching catalyst - for use in photographic processes
Inventor: SCHLUNKE HANS PETER DR
IPC: G03C5/44
Filed: 1974-03-29
Abstract: Quinoxalinium cpds. of formula (I) are used as colour-bleaching catalysts in photographic processes; (in which R1, R2 are independently H, opt. substd. (cyclo)alkyl ar(alk)yl, or heterocyclic residue; R3 is H, lower alkoxy or together with R4 is -O-(CH2)m-O-, m = 1 or 2; R4 is H, lower alkoxy, aralkoxy, aryloxy or lower alkyl, halogen or nitro, or together with R3 or R5 is -O-(CH2)m-O-, where m = 1 or 2, or together with R5 is -C=N-C=C-; R5 is H, nitro, lower alkoxy, or together with R4 is -O-(CH2)m-O-, where m = 1 or 2, or with R4 is -C=C-N=C-; X is an anion; one U is N, the other being -N= where Y is an opt. substd. lower alkyl or aralkyl residue).
Patent DE-2419834-A1 (DE)
Title: Reduced scale furniture models - have interchangeable surfaces fixed to core and are used for planning offices etc
Inventor: HEIMANN EGON
IPC: G09B25/00
Filed: 1974-04-24
Abstract: The core is reduced at a scale corresponding to the thickness of the furniture boards for the external surfaces of the furniture. The boards feature the characteristics of the original surfaces and are fixed to the case, though allowing interchangeability. The original material is used for the boards, for example melamine resin-laminated chip board which has been reduced to the required thickness. The interchangeable surface boards are provided with a self-adhesive and the core is coated with an adhesive-rejecting layer. The frame is held by the self-adhesive of the interchangeable boards, which can be easily interchanged.
Patent DE-2420395-A1 (DE)
Title: Injection moulded connector for furniture - espec for dissimilar hollow sections has contoured shape to facilitate connection
Inventor: HOFMANN-IGL ERNEST
IPC: F16B12/40
Filed: 1974-04-26
Abstract: The connector has a section at one end matching the profile of "D" sectioned tube and a round section at its other and matching the profile of the round tube. The ends of the connector are relieved and shaped to seat in the respective tubes and are retained through interface by fins or corresponding pips and depressions. In modifications the connectors may be hollow or solid and may have elbow bends or other shapes. The essential feature is that, whatever the shapes of the two components to be joined, the body of the connector should smoothly blend the two components together. The connectors offer new design possibilities for furniture manufacturers.
Patent DE-2423327-A1 (DE)
Title: Carbon dioxide filter for carbonated drinks - which reduces gas content when liq. is poured from bottle
Inventor: SCHLEMMINGER JUERGEN
IPC: B01D53/04
Filed: 1974-05-14
Abstract: A filter (6) is held in a plastic frame and end cover (7) has cylindrical sides which fit closely over housing (3). A raised strip (9) on housing (3) locates in a corresponding circumferential groove in the cylindrical walls of cover (7). The end of cover (7) has an eccentrically positioned outlet (8) with a pouring lip (13), and cover (7) can be rotated w.r.t. to mounting element (3) in order to vary the amount of liq. which comes into contact with filter (6). When cover (7) is rotated into a certain position, the inner lip (10) of outlet (8) mates with the upper surface (11) of a box section (12) in mounting element (3) and thereby closes and seals the bottle.
Patent DE-2431207-A1 (DE)
Title: Cracked gas generator - with refractory and opt catalytically active lining, producing fuel for internal combustion engines
Inventor: MENTSCHEL HELLMUTH DIPL ING
IPC: C01B3/38
Filed: 1974-06-28
Abstract: In a cracked gas generator for the prodn. of a gaseous fuel of approximately constant compsn. partic. for operating an internal combustion engine under varying load and comprising the known manner a reaction chamber supplied with gaseous fuel and a gas acting as an oxygen carrier in approximately constant proportions and contg. a catalyst a heat exchanger and a supplementary heater, all the parts of the generator housing which come in contact with the reactants consist of a material with suitable or negligibly small catalytic activity, and advantageously a dense sintered Al2O3, impregnated with a suitable substance promoting selective catalysis. Eliminates purely thermally based material reactions so that only selective heterogeneous catalysis takes place. The Al2O3 coating also provides high temp. resistance up to 1900 degrees C and has a high thermal conductivity as well as high wear resistance and stability to temp. variation.
Patent DE-2431937-A1 (DE)
Title: Radio transmission of signals in rooms - suitable for meetings, conferences, or for schools for hard of hearing children
IPC: H04B10/114
Filed: 1974-07-03
Abstract: Members of a conference or school children are provided with a radio sensor and/or receiver. Electromagnetic waves in the optical or infra-red range are used for signals transmission. These carrier waves are modulated with signals to be transmitted. Several carrier channels are used for transmission of stereophonic signals and of signals for the sender and/or receiver operational functions control. Each participant is provided with a sender/receiver apparatus (22) which is carried in front of the person. A microphone (23) picks-up sound waves and head-phones (24) reproduce them. Preferably the participants sit in a semi-circle around a centre lamp (25) containing a transducer.
Patent DE-2433715-A1 (DE)
Title: Track for needle roller bearing esp. in winches - comprises steel band seated in winch drum
Inventor: EISENMANN SIEGFRIED DIPL ING
IPC: F16H1/28
Filed: 1974-07-13
Abstract: The band (15) is made of rolled and hardened steel and is loosely seated in a recess (14) of the interior of the drum (1'). Pref. the band projects slightly from the recess and the rollers are wider than the width of the band. The confronting ends of the band are pref. formed into an arrow head engaging an arrow tail with a small clearance (1-2% of band length) therebetween. A similar band is provided on a sleeve (7) being the stationary part of the bearing structure. The interior of the sleeve houses a hydraulic motor for driving the winch and the improved bearing assists in minimizing the radial extend of the assembly.
Patent DE-2439141-A1 (DE)
Title: Selective noise meter with tuning - is for one or several noise measurement bands and parts of a more comprehensive spectrum
Inventor: SCHITTKO JOHANNES DIPL ING
IPC: G01R29/26
Filed: 1974-08-14
Abstract: The noise hand band to be evaluated is transposed by a switchable carrier oscillator to a constant i.f., and then applied to an evaluation device. The device comprises a first mixer (10) which converts to a first i.f. the noise spectrum whose frequency is limited in a low-pass filter (9), by a carrier from a first oscillator (11) above this spectrum, whose frequency can be switched to different values. A first i.f. band-pass filter (12) filters out from the transposed noise spectrum a first i.f. noise band above the low-pass filter (9) cut-of frequency. This band, possibly after further frequency transpositions, is evaluated in the usual way.
Patent DE-2441847-A1 (DE)
Title: Hollow plastics bodies produced by rotation - using filling agent to reduce cost while maintaining equally good properties
Inventor: RAMBACHER GERHARD
IPC: B29C41/04
Filed: 1974-08-31
Abstract: Hollow plastics bodies e.g. heating oil tanks of polyamide are mfd. by rotation, by adding to the plastics melt ground glass of which the amt. is variable according to desired strength, hardness, modulus of elasticity, etc. In an example, ground glass is added to a lactam melt in a mould which is then rotated, the melt always forming a sump at the lowest point of the rotary tool. At eash revolution, the layer of melt on the wall becomes thicker and thicker until the sump is used up. For a heating oil tank, this process is normally repeated 3 times, the ground glass being distributed evenly on the tank wall.
Patent DE-2454737-A1 (DE)
Title: Launching tube for torpedoes using pressurised water - has flexible bag for pressurising water without loss of compressed air
Inventor: KRULL HELMUT DIPL ING
IPC: F41F3/08
Filed: 1974-11-19
Abstract: The ejector is used for launching floating or immersed bodies, preferably torpedoes. The ejector ensures that no compressed air is ejected from the launching tube. Compressed air is used for pressurising water in the launching tube, and air is not in direct contact with water. The launching tube (1) for guiding the torpedo (4) has an inner cage (2). Between the cage and the launching tube inner wall is arranged a bag (3). This encloses the torpedo (4) and the cage (2). A gastight separation is ensured by the bag, and the space between the tube wall and the bag is connected (5) to a regulated supply of pressurised medium. The bag can have a multiple-thickness wall, and each space has a separately connection to the regulated pressurised medium supply line (5).
Patent DE-2504336-A1 (DE)
Title: Tube for loading explosive cartridges into borehole - has longitudinal slot and sliding plug for stable loading of boreholes
Inventor: KRUG KARL
IPC: F42D1/08
Filed: 1975-02-03
Abstract: The device used for loading of boreholes with explosives ensures rapid, simple and trouble free loading with explosives held in a cartridge, e.g. in the coal mining industry. The explosive cartridges are placed into a tube with a longitudinal slot. The tube has at its bottom a holding ring preventing inadvertent loss of the cartridges. The tube contains a sliding plug whose handle projects through the slots. This plug pushes the cartridge into the borehole as the tube is withdrawn from the borehole and the handle is held firmly. This arrangement ensures that composite cartridges are loaded without difficulties.
Patent DE-2509086-A1 (DE)
Title: Cheques and paper forms for financial transactions - conform to financial regulations but permit individual style and have blank spaces for entry of figures
Inventor: LITZINGER ADAM
IPC: B41L1/26
Filed: 1975-03-03
Abstract: The invention concerns the lay-out and printing of cheques and other similar documents used in banking and financial transactions. The lay-out and the type of paper is controlled by German banking regulations. In order to provide individually styled cheques which at the same time conform to the regulations it is proposed that a number of copies of the forms are bound together but can be easily detached by tearing along a line of perforations. The cheque lay-out has the required number of blank spaces for entering the necessary information and is printed on a specially designed background and is provided with a coding strip for machine identification.
Patent DE-2518660-A1 (DE)
Title: Mounting for plastics esp. polymethyl methacrylate panels - used for roofing green houses has supporting profile with angled shanks
Inventor: LACKNER HERBERT ING
IPC: A01G9/14
Filed: 1975-04-26
Abstract: A mounting for plastics, esp. Plexiglas (RTM) panels has a supporting profile with at least 2 shanks which subtend an angle with respect to each other. One of the shanks (4) of the supporting profile (2) engages over the marginal zone of the plastics panels (3) and the adjacent shank of the supporting profile has dummy sheets (5) or the like for resting the plastics panels on them. Between the plastics panels (3) and the overlappingly engaging shank (4) of the supporting profile (2) there is a hardenable sealing cpd. (6) adapted to bond either with the shank (4) or the plastics panels.
Patent DE-2519146-A1 (DE)
Title: Bolted joint for mine support frame - has hooked strap and wedge to lock angle against crossbeam
Inventor: SCHAEFER HEINRICH
IPC: E21D11/28
Filed: 1975-04-30
Abstract: The bolted and wedged joint for a support frame used in mining has a horizontal longitudinal angle (4) resting on the lower flange (5) of an I beam cross member (1), with the end (3) of the angle joggled to match the slope of the flange, and abutting the vertical web (2) of the beam. This is clamped up between two straps (11, 6) secured by a bolt and nut (10). The lower strap (6) has its other end (7) hook-shaped to fit around the other side of the flange of the beam (1). A taper key (8) which is U-shaped in cross-section, is forced between the hooked end (7) and the edge of the flange of the beam, on the opposite side of the beam to the bolted joint.