baber/WOPTO huggingface dataset:
Patent DE-2166972-A1 (DE)
Title: Satellite transmission system for TV and radio - supplies certain ground area with signals received from ground station
Inventor: STREEHL HERBERT DIPL-ING
IPC: H04B7/185
Filed: 1971-11-05
Abstract: A satellite transmission system for radio and Tv is signals includes a ground station which beams its signals to the satellite which amplifies them and re-radiates them through its antenna to the ground area to be served. The signal frequency is transposed one, twice or several times in the satellite. The satellite position is coarsely stabilised, and its antenna or the beam is in addition finely stabilised. More than three stations (St1-St6) are distributed over the ground service area (F), each of which can transmit through the satellite (S). Each of them has equipment monitoring satellite sending power. A central evaluation station which receives the measurement results and derives a control signal, is preferably a station which can send signals to the satellite. The control signal is used for fine adjustment of the satellite antenna or its beam with an accuracy of 0.1 deg.
Patent DE-2220479-A1 (DE)
Title: Briquetting of lignite - by two-stage heating and hot compression
Inventor: FRANKE FRIEDRICH DR ING
IPC: C10L5/08
Filed: 1972-04-26
Abstract: The pre-dried lignite is heated in a first stage to 300-320 degrees C and then at a slower rate to 350-400 degrees C, after which it is compressed while hot into briquettes. Rate of heating in the first stage is 30-60 degrees C per min., pref. in a fluidised bed. In the second stage, rate of heating is from 1 to over 10 degrees C per min., with a uniform degassing rate of 0.4-0.7 l/min/kg., until tar has separated at the surface of the particles. The material is then hot-pressed to briquettes in usual stamping or roller presses, when the pitch-like material formed by heating acts as lubricant between lignite the press, and leaves the briquettes with a black glossy surface. The briquettes may be subsequently heated to 950-1100 degrees C to produce high strength lump coke. The tar or pitch formed in the second stage acts as sufficient binder for briquetting without additives or the need for a complicated and tedious process.
Patent DE-2220908-A1 (DE)
Title: Cyclohexenone (thiono)phosph(on)ates - with insecticidal and plant growth regulating activity
Inventor: RIEBEL HANS-JOCHEM DR
IPC: C07F9/117
Filed: 1972-04-28
Abstract: Title esters are prepd. by reacting dihydroresorcinol derivs. of formula (I) (where R and R' are 1-4C alkyl and R' can also be H) with (thiono)phosphoric(onic) acid ester halides of formula (II) (where R" is 1-6C alkyl, R"' is 1-6C alkyl or alkoxy, or phenyl, and X is O or S), opt. in the presence of acid-binding agents and/or solvents.
Patent DE-2327163-A1 (DE)
Title: Poultry cage - with a resilient floor with openings for droppings
Inventor: STEVENSON GRAHAM THOMAS
IPC: A01K31/00
Filed: 1973-05-28
Abstract: Poultry cage has a floor formed by a resilient sheet e.g. of cellular polyurethane, having a planar support surface which will compress under the weight of the poultry with a wear resistant layer, e.g. of burlap, secured to the resilient sheet to protect the resilient sheet against wear. The resilient sheet is on a support layer in register with the resilient layer, opposite the wear resistant layer, and a number of holes are provided through the layers to allow passage of droppings through the floor. The floor reduces the incidence of blisters on the keel bursa of poultry.
Patent DE-2331122-A1 (DE)
Title: Window-cleaner uses dry steel wool - wrapped on cylindrical, motor-driven roller
IPC: A47L1/05
Filed: 1973-06-19
Abstract: A window cleaning machine which rubs dirt off with dry steel wool, as in DT 2306797, has the steel wool fitted on the jacket of a driven roller inside the housing, coupled via gears to a drive motor built into the housing. Preferably the bearings of the roller each have a U-shaped recess radial to the axis on the side remote from the motor. The roller may be coupled to the motor by an elastic belt drive, which pulls the roller shaft into the radial recess of the bearing. Steel wool brushes may run on, and parallel to the axis of, the roller, or be arranged helically on it. Satisfactory cleaning of the window planes, including the corners, is obtained.
Patent DE-2332621-A1 (DE)
Title: Hydrostatic torque converter for small vehicles - uses axial piston variable output pump driving constant inward flow motor
Inventor: RITTER KASPAR DIPL ING
IPC: F16H39/14
Filed: 1973-06-27
Abstract: The converter consists of a variable output pump and a constant inward-flow motor. The piston drums of both the pump and the motor are placed on either side of a controlling plate and firmly mounted by a narrow sliding seating on the converter's driving shaft. The piston heads are braced directly against axial pressure bearings. Springs connect the ends of the piston drums to the driving shaft. A forked lever serves to vary the inclination angle of the control plate to vary the pump output by altering its stroke. The motor is mounted opposite to the pump in the same housing with a fixed inclination control plate.
Patent DE-2333183-A1 (DE)
Title: Low alloy steel nitrided in fused salt bath - at the A1 transformation temp. with additives for hardening, strengthening and improving machinability
Inventor: WATANABE TOSHIYUKU
IPC: C22C38/00
Filed: 1973-06-29
Abstract: To steel of compsn.: 0.03-0.50% C, 0.10-1.50% Si, 0.10-1.50% Mn, 0.70-3.0% Cr, 0.02-0.50% Al and usual impurities, is added (a) is not >0.2% of >=1 element to act as hardener selected from Ti, V, Nb, Ta and Zr; and/or (b) is not >1.5% of >=1 element to strengthen the matrix, selected from Ni, Cu, Mo, W and Co; (c) is not >0.15% S, 0.30% Pb, 0.30% Te (Pb+Te is not >0.40%), and/or 0.30% Se, these elements improving the machineability. The steel is nitrided for 5 hr. max. in a fused salt bath and/or nitriding atmos. at 550-650 degrees C and pref. deoxidised with Al, Fe silicate or Ca silicate and deformed prior to nitriding.
Patent DE-2334495-A1 (DE)
Title: Extended spindle sump pump - has standpipe and casing assembled by friction pressure welding without subsequent machining
Inventor: LUTZ GERHARD
IPC: F04D3/00
Filed: 1973-07-06
Abstract: The pump has an impeller at the end of a vertical shaft and at the upper end a motor. The shaft is surrounded by a standpipe which carries intermediate support bearings. An outer casing forms an annular discharge passage round the standpipe. The standpipe and outer casing are joined to a top flange which screws into the upper bearing housing. The joints between standpipe and casing and the top flange are made by friction pressure welding. As the process involves rotation of one component on the other the weld is truly concentric and does not need subsequent machining.
Patent DE-2337935-A1 (DE)
Title: Beam axle for commercial vehicle - has pneumatic suspension and leaf spring pivoted at front to guide axle in vertical plane
Inventor: SCHOLZ HELMUTH
IPC: B60G11/46
Filed: 1973-07-26
Abstract: The beam axle is supported on the chassis by upper and lower stays arranged longitudinally, and by a pneumatic damper. The lower stays comprise a torsion bar stabiliser with the torsion bar positioned parallel to the axles and connected to a support linkage by arms bent forward. The upper stays comprise a leaf spring on each side, pivotted on the chassis at a front mounting and attached to a shackle at the rear mounting. The leaf spring is arranged so that its apparent centre of rotation lies in the same plane as the forward pivot of the lower stays. This enables the axle to move in a vertical plane with optimum support and stability.
Patent DE-2341602-A1 (DE)
Title: Rigid support frame for drilling machine - on which drills are mounted in certain relative positions to drill beams
Inventor: BERGLER OTTO
IPC: B23B39/28
Filed: 1973-08-17
Abstract: The support frame consists of two parallel tubes or bars on which drilling machines are mounted in such a way that their relative position can be easily adjusted. The tubes are clamped together with blocks which each have part cylindrical cut-outs to match the tubes. The clamping blocks are provided with rods, pins etc. on which supports for drilling machines or clamps for the workpiece to be machined can be mounted. The top face of the rectangular shaped clamping blocks is used as a support for the workpiece.
Patent DE-2343429-A1 (DE)
Title: Oxygen detector for internal combustion engine exhaust gas - having resilient plug connection to tube preventing stressing during assembly
Inventor: KROEGER UWE
IPC: G01N27/407
Filed: 1973-08-29
Abstract: An electrochemical detector for the oxygen content of gases. esp. exhaust gases of I.C. engines, comprises a solid electrolyte tube with an external catalytic coating earthed through the surrounding housing, and with its inner face in contact with atmos. The electrically conducting path from the closed inner end of the tube passes through a plug-contact outside the tube. The tubular portion of this contact receives a hair-pin strip from the other part of the contact. The hair-pin lies inside the tubular portion and is connected to it only at the tip of the strip. The width of the strip, also the greated diagonal dimension across its two parts, are both less than the internal dia. of the tubular portion, pref. equal to half this dia. When inserting the plug contact, and when mounting the protective tube and insulating disc, stresses are not produced in the glass smelt or solid electrolyte tube.
Patent DE-2344677-A1 (DE)
Title: Self-hardening binder for mould sand - contg ground clinker of calcium aluminate-halide, a sulphate and a beta-naphthalenesulphonic acid salt formaldehyde complex as surfactant
Inventor: UCHIKAWA BIROSHI
IPC: B22C1/18
Filed: 1973-09-05
Abstract: Moulds having high surface tenacity and compressive strength, and a relatively low water content are produced from (in pts. wt.): quartz sand 100, combined mineral additives 8, a salt of beta-napthalenesulphonic acid-formaldehyde condensate (surfactant) 0.10 an organic carboxylic acid 0.008 (boric acid can be used instead) and water 6; the mineral additives comprises (in %): 11 CaO.7Al2O3 CaFe2 21, 3CaO.SiO2 51, 2CaO.SiO2 3, CaSO4 16, and 4CaO Al2O3.Fe2O3 7. The treatment time is 40 mins. The produce has a compressive strength of 270 kg/cm2 after 24 hrs. (control 17 7 kg/cm2).
Patent DE-2348526-A1 (DE)
Title: Reject web material and sieve water recycled - in papermaking machine, keep constant web thickness
Inventor: PRECHTEL KLAUS
IPC: D21F9/02
Filed: 1973-09-27
Abstract: In a papermaking machine with (a) a pulp feed, a web-forming sieve running over suction chests, the water passing through the sieve being recycled by a pump to the pulp feed, together with pulp concentrate or sludge added via a pump connected to he sieve water pipe line, and (b) a scrap web tank installed at one end of the sieve for the reception of reject web as well as edge strip separated from the sieve the further improvements whereby (c) a container for the reception of part of the sieve water is connected to the sieve water recycle pipe situated between the suction chests and the pump, and is also connected to the scrap web tank by a pipe incorporating a shut-off valve, (d) a pump is connected to the discharge pipe for emptying the scrap web tank and its delivery side is connected to the section of the sieve water pipe line leading to the pulp feed. Reject web material e.g. from web breakage or edge strips recovered from the sieve, can be recycled to the web-forming circuit without affecting the web thickness. The process can be adapted to continuous as well as batch paper making machines.
Patent DE-2354123-A1 (DE)
Title: Small diameter boring tool - incorporates spiral swarf channel in cutting plate and collet
Inventor: ECKLE OTTO
IPC: B23B27/00
Filed: 1973-10-29
Abstract: Boring tool for working holes with a small diameter, with a circular cross sections shaft, comprising a fixture and a collet part of the front free end of which a cutting plate made of hard metal is fitted, the cutting point of which protrudes sideways over the collet. The cutting plate with the exception of its sideways protruding outer cutting point is completely contained within the circular cross section of the collet, and both collet and cutting plate have a semi-circular shaped cross-sectional swarf channel winding in the rotary and advance directions. The top surface of the swarf channel is ground, and its pitch angle is preferabl 75 deg. The swarf channel radius is between 0.4 and 0.6 of the collet radius.
Patent DE-2354475-A1 (DE)
Title: Reducing lactose content in milk - by ultra-filtration and reverse osmosis, washing and mixing, and processing
Inventor: PASTORE MAURO
IPC: A23C9/142
Filed: 1973-10-31
Abstract: Diet milk having a modified lactose content is prepd. by (i) subjecting starting milk to ultra-filtration to recover a concentrate (I), consisting of milk pt. which does not pass through ultra-filter, and a permeate (II), consisting of milk pt. passing through ultra-filter; (ii) combining at least pt. of (I) and (II) having reduced lactose contents and (ii) subjecting prod. obtd. to at least one processing treatment. Lactose content in (II) may be reduced by reverse osmosis, to obtain a concentrate (III) contg. water, lactose, salts and low mol. wt. substances and a 2nd permeate (IV) consisting of water with a low salt content. Lactose content in (I) may be reduced by washing, esp. with deionised water or with (IV). Lactose content in (III) may be reduced by consecutive evaporation and crystallisation steps. Mixing conc. soln. from reverse osmosis with washed (I) may be preceded by enzyme-treatment of residual lactose with beta - galactoxydase and gal-l-P-uridyl transferase.
Patent DE-2355649-A1 (DE)
Title: Dip casting method - uses transpirationally cooled mould with relieved impervious outer layer
Inventor: SMITH OSCAR HARRY
IPC: B22D25/04
Filed: 1973-11-07
Abstract: The method uses a die comprising a porous metal body, an impervious outer layer, a relieved surface on the outer layer, and a mould cavity in the porous body. The relieved surface has peaks/ridges and valleys on the melt contacting surface of the die. With the shallowly immersed in the melt, the high surface tension prevents the melt from filling the valleys thus giving the impervious layer a much reduced thermal conductivity. A cooling gas is passed through the porous metal and out of the cavity walls to cool the walls below the solidification temperature, then the die is partly immersed in the melt. A vacuum is applied to the porous metal body to suck metal into the cavity, then the die is removed from the melt.
Patent DE-2357991-A1 (DE)
Title: Equalising spring for HV overhead bus cables - incorporates a low impedance earth path to shunt fault currents
Inventor: HEINEMANN RUDOLF
IPC: H02G7/02
Filed: 1973-11-21
Abstract: To prevent damage to the equalising spring assembly, which is placed between the terminal insulator at the end of the H.V. bus cable and the earthed support frame or stanchion, due to the passage of fault currents to earth it is shunted by a low impedance path. Typically this takes the form of a flexible cable, one end being attached to the junction between insulator and spring assembly and the other end to a terminal on the stanchion, or on the other end of the spring. Connection points are made at the terminating ends of the last coils of the spring.
Patent DE-2359989-A1 (DE)
Title: Hardening the internal working surfaces of chain shackles - esp. highly stressed steel links for bucket chain conveyors
Inventor: KAISER HEINRICH-OTTO
IPC: C21D9/00
Filed: 1973-12-01
Abstract: The shackles are arranged in rows, one behind the other and they are then locally heated and quenched using a continuous feeding device. Prior to heating, esp. with a flame, the inside surfaces of the shackles are pref. coated with a carburising medium. The pref. machine for this process is fitted with locating devices for holding several shackles and uses a stationary gaseous fuel-oxygen burner and quenching spray with a continuously rotating table for carrying the shackles over the burner and spray; both the burners and the sprays are adjustable w.r.t. their location, and interchangeable. Instead of a rotary table, and endless conveyor belt can be used. The method is suitable for shackles e.g. 0.2 kg to 11 kg in wt. and distance between the legs 40-150 mm. A mass prodn. process eliminating the substantial amt. of hand labour formerly involved in hardening shackles individually.
Patent DE-2362640-A1 (DE)
Title: Instrument support board for fastening to C-rails - uses flexible hooks held onto rail by locking bolt wedged in rail opening
IPC: H02B1/03
Filed: 1973-12-17
Abstract: The support board for electric measuring instruments has lateral projections with fixing elements to mount it onto a pair of parallel C-shaped support rails. Each fixing element consists of a flexible hook (5) that clips into the C-rail and is prevented from flexing back out by a locking bolt that slides axially so that its headed end wedges in the C-rail opening, and presses the hook behind the C-rail lip. The locking bolt may have either two sets of ridges or two circular grooves to act as end position locators for the bolt disengaged position, i.e. clear of the rail, and its engaged position, i.e. locked in the rail opening.
Patent DE-2363447-A1 (DE)
Title: Fitted sheet of knitted cotton fabric - is extensible in both directions and does not have any elastic tapes
Inventor: WEISS SIDNEY MATTHEW
IPC: A47C31/10
Filed: 1973-12-20
Abstract: A fitted sheet is formed from a knitted cotton fabric which is extensible in both longitudinal and transverse directions the fabric having been shrunk by pref. 20% in the longitudinal direction pref. by mechanical compression. The corners of the fabric are cut and stitched with one line of stitching to form corner pouches and side panels for the sheet and the electric tapes are provided on the sheet. The sheet is drip-dry, easy to fit, can be stretched to fit different size beds and doesn't lose its elasticity.
Patent DE-2409700-A1 (DE)
Title: Inspecting welds between tubes and end-plates - using X-rays with luminous screen and television camera tube
Inventor: DOLGY ALEXEI ARSENTIEWITSCH
IPC: G01N23/04
Filed: 1974-02-28
Abstract: Examination of the quality of seams formed in the welding of tubes on to end-plates, uses a movable X-ray or gamma-ray source which can be adjusted so the radiation penetrates the weld and a screen in inserted in the tube in the immediate vicinity of the weld; the radiation impinges upon the screen and is converted into visible light, the variation in intensity of which is used to assess the presence of defects in the welds. The pref. device uses a television unit to pick up the visible light from the screen and transfer it to a receiver tube for reproduction of the luminescent image. Used for weld inspection in e.g. the thermal power, chemical or nuclear industries or in ship-building. A fast unit suitable for high productivity; the existance of a welding defect can be determined in 30 seconds.
Patent DE-2411561-A1 (DE)
Title: Digital-analogue cumulative converter - converts bit digital signals and has a nonlinear broken line characteristic
Inventor: HOEFER ERNST
IPC: H03M1/00
Filed: 1974-03-11
Abstract: The characteristic has 2m+1 linear sections with 2n amplitude steps. The converter is inteded for a coder operating with the interaction method. It has three decoders, the first of which converts n bits of the digital signal in a resistor network into an analogue control signal for the second decoder. The third decoder determines from the remaining bit the polarity of the second decoder output. The first two decoders have a common resistor network, to which a constant current can be applied in accordance with the digital signal "1" bits. Decoder output is connected to one of the 2m-1 junction points between a leakage resistor and at least one shunt resistor. A constant current can in addition be applied to the junction point between a leakage resistor and two shunt resistors.
Patent DE-2412669-A1 (DE)
Title: Thermoplastic heat transfer element - for refrigerators or deep-freezers
Inventor: PAHNER KLAUS DIPL ING
IPC: B29C51/12
Filed: 1974-03-16
Abstract: Mfr. of a heat transfer element, using thermoplastics material, comprises combining a refrigerator lining or its parts with a plate having similar contours and >=1 apertures to avoid formation of an air cushion; a heat transfer tubular coil being interposed. To effect firm joining of the lining with the plate, the process makes use of the vacuum produced during forming by deep-drawing of the lining. Firm joining of the parts to be combined is achieved in 1 operation. Good heat transfer in the finished article is obtd. owing to complete contact of the heat transfer cool with the surrounding parts. Time consuming use of adhesive tape is avoided.
Patent DE-2416242-A1 (DE)
Title: Vehicle transmission hydraulic motor - has oil seals with stationary shells over oil ways in rotating shaft
Inventor: RUPPELT KURT DIPL ING
IPC: B60K17/10
Filed: 1974-04-03
Abstract: The hydraulic, rotating motor drives the transmission by means of a swashplate system, with the oil lead to the motor via simple seals. These comprise shells open towards the rotating shaft and connected to oil ducts out of the side of the motor casing. The inside of the shaft is provided with two oil ducts which lead from one end of the motor to the drive plate. One shaft is longer than the other so that the oil seal shells can be mounted side by side for a compact layout. The unit is used in a vehicle automatic transmission gearbox.
Patent DE-2418862-A1 (DE)
Title: Magnetic tripping system for protective cct. breaker - has non-magnetic stop in solenoid channel with recessed contact lever stop
Inventor: DOERRIES ALEXANDER DIPL ING
IPC: H01H73/18
Filed: 1974-04-19
Abstract: The power circuit breaker has a magnetic tripping system whose solenoid armature moving through an excitation coil affecting on one side the tripping element, and on the other side forming an impact armature actuating a contact lever. A non-magnetic stopping element is provided for the solenoid armature on one coil side, reaching across the guide channel in a circle sectioning manner. The stop element has a recess contact lever stop, forming simultaneously the light arc accepting extension, ending closely behind the contact lever. The stop element is preferably of copper or any other material which is softer than the material of the contact lever. The contact lever stop edge may cooperate with a longitudinal ledge of the contact lever proper.
Patent DE-2419671-A1 (DE)
Title: Pouring exact amounts of cast iron into moulds - with automatic compensation for the head of molten iron
Inventor: SCHLICHT HEINZ
IPC: B22D5/00
Filed: 1974-04-24
Abstract: Casting installation for metal, esp. for filling a row of moving moulds with a measured amt. of liq. cast iron from a container fitted with a bottom-pour stopper having an adjustable stroke and a device which compensates for the variation in the amt. of metal delivered due to the variation in the head of molten metal in the container. The compensating device consists of a weighing unit on which the container is mounted and the change inm wt. used indirectly to adjust a radial cam which functions as a limit stop in the stopper-stroke mechanism. The weighing unit pref. consists of a leg supported by a spring and contg. a piston in a cylinder which delivers oil to a second cylinder and thus alters the position of the radial cam. Used to deliver an exact amt. of liq. cast-iron to a row of moulds. A simple, reliable, inexpensive hydraulic-mechanical device with automatic compensation for the head of metal in the container.