baber/WOPTO huggingface dataset:
Patent DE-2234110-A1 (DE)
Title: 2,2-Dimethyl 1,3-propandiol hydroxypivalates - by disproportionating hydroxypivalaldehyde
Inventor: MERGER FRANZ DR
IPC: C07C69/675
Filed: 1972-07-12
Abstract: 1,3-propanediol hydroxypivalic acid monoester (I) prepn. of disporportionating hydroxypivalaldehyde (II) at increased temp in presence of the hydroxide of Ca, Ba or Sr, as in parent patent, is improved by reaction in presence of Ca(OH)2, Ba(OH)2, or Sr(OH)2 and of water, or in presence of >=1 oxide and/or hydroxide of Li, Mg, Tl, Pb, Bi, La, Ce, Zn, Cd, Mn, Fe, Co, Ni and/or oxides to Ca, Sr and Ba, opt. in presence of water, in place of or in addn. to the hydroxides of Ca, Ba, or Sr. Yields and space-time yields are higher and a pure prod. is obtd. The rate of reaction is greater, and the reaction may be carried out at room temp. (II) may be pure, or the impure prod. of reaction of isobutyraldehyde with HCHO. The ester prepd. in presence of water may be purified over acid ion-exchangers. (I) is a raw material for synthetic resins and softeners.
Patent DE-2235483-A1 (DE)
Title: Freeze drying plant - for flasks or ampoules of biological fluids or pharma-ceuticals
Inventor: BRAUN HANS
IPC: F26B5/06
Filed: 1972-07-20
Abstract: The vacuum chamber, connected to the vacuum pump via a condenser unit, contains a number of temp. regulated (i.e. cooled) floors on which the flasks/ampoules are stood and between each pair of these floors is an "inert" i.e. uncooled floor. These intermediate floors are supported on brackets on the chamber wall or suspended from the cooled floor above. Flasks with one way stoppers may be used and telescoping mountings for the inert floors may be used for controlled closure of these stoppers. High capacity.
Patent DE-2310532-A1 (DE)
Title: Heavy oil use in blast furnace - suppluinying oil to coke oven and burning coke gases in furnace
Inventor: FUKUSHIMA TSUTOMU
IPC: C10B55/02
Filed: 1973-03-02
Abstract: Coal is pelletized with heavy oil, the pellets being coated with haematite, magnesia or chalk and fed to a coking oven where coke, tar and coke gas are produced. coke is fed to a blast furnace head and the tar blasted into the blast furnace hearth. The coke gas goes partially to a reformer and partially via a pre-heater to the blast furnace hearth. In the reformer gases produced in the blast furnace are mixed with the coke gas and the prod. are fed to the blast furnace shaft.
Patent DE-2313444-A1 (DE)
Title: Liquid adhesives for osmosis membranes - comprising solns. of polymer combinations in mixed solvents, opt. contg. fillers
Inventor: FLACH EBERHARD
IPC: C09J175/00
Filed: 1973-03-17
Abstract: The adhesive comprises either (A) a 17-21 wt.% polymer solids soln. of (a) 62-83 wt.% NCO-contg. polyester and (b) 38-17 wt.% vinyl formaldehyde polymer (I) (sic) in (c) a 3:2:1 mixt of MEK, CH2Cl2 and toluene; (B) a 24-30 wt.% solids soln. of (a) 60-80 wt.% polychloroprene, (b) 16-36 wt.% (I) and (c) 4 wt.% 1:1 mixt. of ZnO and MgO in (d) a 1:1:1 mixt. of toluene, Et acetate and petroleum of b.pt. 80-110 degrees C; or (c) a 20-25 wt.% polymer solids soln. of (a) 83-62 wt.% butadiene-acrylonitrile copolymer and (b) 17-38 wt.% (I) in (c) a 3:2:1 mixt. of Et acetate, acetone and toluene. It is used for adhering dry, polymeric, membranes with each other or with dry distribution materials, or dry distribution materials with each other. Strong bonds are obtd. without affecting substrates.
Patent DE-2315768-A1 (DE)
Title: Total environmental pollution prevention system - scrubbing waste gases by water and evaporating wash water
Inventor: CHAPMAN WALTER H
IPC: B01D53/14
Filed: 1973-03-29
Abstract: Industrial waste gases are cleaned by contacting with water to form a pure gas stream and a water stream contg. dissolved solids and dissolved or absorbed gaseous contaminants. The water effluent is distilled in an evaporator with a preheat- and a distillation zone to produce a clean water condensate and a solids concentrate. The gaseous contaminants are separated from the effluent in a degassing zone between preheat- and distillation zone. This system provides for total pollution prevention; air pollution is eliminated by cleaning the waste gases by water and water pollution is eliminated by cleaning the wash-water prior to emission.
Patent DE-2320718-A1 (DE)
Title: (N-Halomethylthio-N-trifluoromethylamino)-benzhydroxamic acids - prepd by reacting corresp benzoyl fluorides with hydroxylamine in the presence of alkali hydroxide
Inventor: KUEHLE ENGELBERT DR
IPC: A01N47/04
Filed: 1973-04-25
Abstract: N-(Fluorodichloromethylthio)-N-(trifluoromethyl)amino benzoyl fluorides of formula (II) (where R is halogen, NO2, 1-3C alkyl or alkoxy, or CF3; and n is 0.1 or 2) are reacted with excess hydroxylamine in the presence of alkali hydroxide to give known fungicidal N-(fluorodichloromethylthio)-N-(trifluoromethyl)amino benzhydroxamic acids (which may be converted into salts by means of alkali (ne earth) hydroxides or heavy metal salts) in a simpler manner than by the procedure described in patent number DT 2311983.
Patent DE-2322347-A1 (DE)
Title: Semiconductor element with protective insulating layer - formed from aromatic nitrogeneous polymer, esp. poly-maleimide or poly-hydrantoin
Inventor: SCHINK NORBERT DIPL CHEM DR PH
IPC: H01L51/05
Filed: 1973-05-03
Abstract: A semi-conductor element with a crystalline semi-conductor body, in contact with not 2 electrodes and with a pn-transition on the surface of the semi-conductor body, has, at least at the position of the pn-transition, an insulating protective layer formed by appln. of a soln. of a polymerisable, aromatic organic cpd. with not 1 ring contg. is not 1 C-N bond in an organic solvent; the soln. is applied as a film, and converted to the protective layer by removal of solvent, and polymerisation. The semi-conductors are suitable for transmission of large electric output, e.g. switching-thyristors, rectifiers and transistors. The protective layer produces only a small surface term density, e.g. a +ve surface term density of about 1011cm-2. The semi-conductor elements are stable, e.g. for some months in an atmos. with 100% relative humidity. The protective layer resists temp. changes between -60 degrees C and +180 degrees C. The material of the protective layer can also be used to fill a casing in which a semi-conductor is mounted.
Patent DE-2328982-A1 (DE)
Title: Vehicle headlamp function monitor - with integral light cell in reflector socket to measure lamp output
Inventor: SEITTER WOLF
IPC: B60Q11/00
Filed: 1973-06-07
Abstract: Each headlamp is fitted with a light cell either in a separate fitting to the bulb, or positioned on a window in the side of the reflector. The cell is directed at the filament and is coupled to a twin stage emitter coupled amplifier which activates an alamr when the lamp intensity falls below a set value. This gives rapid indication of lamp failure or blackened bulbs. The cell is press fitted within the reflector rear extension socket, to be easily replaceable.
Patent DE-2329342-A1 (DE)
Title: Travelling filing or storage cabinet set - push button operated photo electric access control
Inventor: HOYER GERD
IPC: A47B53/02
Filed: 1973-06-08
Abstract: The cabinets are fitted on rails between end walls so that only a single access gap can exist. The cabinets each have a reversible electric drive motor. Push buttons are fitted on opposite cabinet sides. The buttons close circuits to light transmitters fitted at the top centre on both facing sides of each cabinet except the two outer sides. The light transmitters are focussed into matching photocell receivers. The circuitry brings about an automatic switching sequence when any button pair is pushed to cause the cabinets to move one after another until the access space is made available in the required position. Power supply to the motors and control circuits is via a separate rail and slider contacts. The push button pairs are spaced to nessitate the presence of two people.
Patent DE-2332135-A1 (DE)
Title: Active heat flow calorimeter - for chemical reactions in jacketed reactor with automatic heat transfer program control
Inventor: REGENASS WILLY DR
IPC: G05D23/20
Filed: 1973-06-25
Abstract: An active heat flow calorimeter to determine the thermal performance of a chemical reaction consists of a reactor with a jacket connected in the circuit of a heat transfer fluid. The temp. of the circulating medium can be changed, and the temps. in the reactor and the fluid temp. in the jacket are measured. A controller regulates the fluid temp. and a recorder registers the difference between these two temps. This makes it possible to examine exothermic and endothermic reaction systems under conditions approximating those in industry. The surface/vol. ratio of the reaction mixt. approaches conditions in practice. Isothermal, temp.-programmed or adiabatic procedures are possible.
Patent DE-2335992-A1 (DE)
Title: Motor vehicle A.C. generator voltage regulator - has second rectifier supplying regulator and preventing battery discharging over excitation coil during standstill
Inventor: BOT RIWEN ABRAMOWITSCH
IPC: H02J7/16
Filed: 1973-07-14
Abstract: The voltage regulating system for A.C. generators in motor vehicles has a three-phase diode bridge coupled to the generator output windings, and its rectified output is passed to a batter. A second bridge is led off from the first and supplies the generator excitation winding and regulator. The second bridge prevents the battery discharging over the excitation winding when the vehicle is stationary. the regulator controls the excitation winding current and has two positive terminals, the first one being connected to the second rectifier out and the second one over contacts to the battery. A protection circuit, consisting of two series-coupled diodes, is connected across these two terminals to protect the system if the generator-to-load ead or the regulator-to-battery lead should break loose. The second diode may be bridged by a resistor.
Patent DE-2340807-A1 (DE)
Title: Oil-pollution detector - for use on marine petroleum operating/storage platforms, using U-tube appts
Inventor: HUBBY LAURENCE MEADE
IPC: G01N9/00
Filed: 1973-08-11
Abstract: Detection of a liquid contaminant in a stream of liquid of different density comprises introducing the stream into a U-tube having an outlet limb at a predetermined height, detecting the level of the liquid in the inlet limb of the U-tube and determining the variations in level in this limb showing the presence of liquid contaminant in the stream of liquid. The liquid contaminant is pref. petroleum and the uncontaminated stream of liquid is water.
Patent DE-2341342-A1 (DE)
Title: Musical reproduction system - has sound source periodically switched to different characteristic loudspeakers to give lively effect
Inventor: WERNER RUDI
IPC: H04R3/12
Filed: 1973-08-16
Abstract: An arrangement for reproducing of music in a room, uses electronically generated or reproduced music and a number of loudspeakers in which one or more individual loudspeakers have characteristics differing from the others, and all the loudspeakers are connected to a switching system which is driven in cyclical fashion to connect different channels from the sound source to loudspeakers with different characteristics; the arrangement may be a stereophonic one, and produces an effect of a source in continuous movement, giving an esp. lively effect to the music.
Patent DE-2346350-A1 (DE)
Title: Liquid flow regulating valve - with cylindrical regulator having in-line input and output for direct insertion in pipe line
Inventor: KURRECK MANFRED
IPC: G05D7/01
Filed: 1973-09-14
Abstract: An inner sliding piston is capable of axial motion relative to a sleeve, the axial position of which is preset to give a chosen flow rate. The underside of the piston is subjected to supply pressure from the inlet and a pressure drop occurs across an orifice between inelt and outlet chamber. Output flow is transmitted between apertures in the sleeve and piston walls. The piston is spring biased axially against the sleeve and operates to balance the static pressure difference across the regulating orifice. In operation any change in flow rate results in a change in pressure drop to produce a compensating effect. The flow rate may be regulated by moving the sleeve relative to the main housing to adjust the orifice size. Locking screws are provided to secure the sleeve.
Patent DE-2356065-A1 (DE)
Title: Sealed coffin to retard decomposition - has plastics or similar lining with air evacuation valves
IPC: A61G17/00
Filed: 1973-11-06
Abstract: a method of treating a body which awaits burial consists of laying it in a pressure-tight container which is fitted with >=1 valves, enabling it to be evacuated. In one embodiment, the container is a conventional wood coffin having its inner face coated with an air-impermeable material and having mutually fitting projections and depressions between the coffin lid and base which are also faced with a sealing material; valves are fitted in the coffin wall. In a second embodiment, the container comprises a pressure-tight plastics bag, comprising a valve, and made of a material which decomposes after a certain period. In a third embodiment, the lower half or base of the coffin is sealed to be pressuretight and then fitted with a transparent, curved plate as the lid, arrangements again being made for evacuating the coffin. Decomposition of the body while awaiting burial is slowed down. At best, the coffin can be evacuated, while at the very least circulation of air is prevented. There is therefore no longer any need for special cooled rooms to retard decomposition.
Patent DE-2356281-A1 (DE)
Title: Miniature single pin plug for smallest contact distances - uses solid one-piece metal part with sleeve jacket
Inventor: TURBAN KARL ALBERT DR ING
IPC: H01R27/00
Filed: 1973-11-10
Abstract: The miniature plug for jack fields with smallest contact distances has a frontal plug part and a connection part for lateral connection of leads and a push-over insulating jacket of elastic synthetic material in tube form with a guide bulge. The connection part has at least one wall bushing insert recess which is inclined against the longitudinal plug axis for the insertion end of the connection lead. The diameter of the bushing part is so chosen that insertion of the connection wire with at least part of its insulation is possible. The inserted angular warped core of the connection wire is fixed by the push-over insulating jacket and pressed for contact making onto the connection part.
Patent DE-2365975-A1 (DE)
Title: Railed carriage for tree trunk debarker - has further hydraulic pump for idling or connection to carriage drive motor
IPC: B23Q5/26
Filed: 1973-10-25
Abstract: Rail carriage for tree trunk debarker and sorter has a hydraulic pump feeding a carriage drive motor via remotely controlled regulators. A further hydraulic pump is coupled to drives and can be switched selectively to idling or, for driving in parallel with the first pump, to the carriage drive motor, by remote control gear. Pref. he carriage drive motor can be shorted circuited for pressure limitation and braking, by actuation of the control valves and regulators, for separation from its connections to the pumps and short-circuiting via a throttle valve assembly fitted between the pressure and suction sides of the carriage drive motor. Adjustable carriage speed to suit all tree trunk operations is easily obtained.
Patent DE-2405581-A1 (DE)
Title: Washing-machine with fluff-filter in outlet - has rotary flap mounted behind fluff-filter flap
Inventor: STORK FRIEDR WILH
IPC: D06F39/10
Filed: 1974-02-06
Abstract: The washing-machine has a known fluff-filter with flap, located in the outlet passage. An additional flap is rotatably mounted behind the fluff-filter flap. In this way, if the detergent-pump has to be taken out for maintenance or repair, it can be exchanged easily and quickly.
Patent DE-2406373-A1 (DE)
Title: Light expanded aggregate for prodn. of light concrete - using fly ash from colliery power stations and other wastes
IPC: C04B18/08
Filed: 1974-02-11
Abstract: Light expanded aggregate for use in making light concrete is made from fly ash obtd. from colliery power stations. Mine sludges and tailings, and fly ash from electric power stations may be included in the raw material which is pref. reduced in size by mechanical milling to destroy the vitreous structure, followed by pre-calcining to burn out the coal at 860 degrees C. max. in an oxidising atmos., the calcining time being chosen so the individual constituents of the mixt. are enriched. The material thus obtd. is mixed with other, conventional addns. and water followed by granulation and thermal treatment by the usual methods to obtain the light expanded aggregate.
Patent DE-2406569-A1 (DE)
Title: Thermoplastic extrusion press - with two chambers and multiple extruder screws
Inventor: MARIA GIUSEPPE DE
IPC: B29C48/425
Filed: 1974-02-12
Abstract: In the extrusion- and injection moulding of thermoplastic resins, alone or in admixt. with stabilising, oxidation-resistant, coloured, rubber-like, reinforcing materials and various additives, by transport of the resin through a melting zone and expulsion through a single extrusion orifice, the operational step of transporting and melting is carried out in a first chamber, the resin and mixt. then being supplied to a second chamber off-set relative to the first chamber and in which the operational step of extrusion of the molten resin is carried out. In particular, the transfer of the molten material from the first to the second chamber takes place in passages in which the material is subjected to considerable shear stresses and to a de-gassing.
Patent DE-2406804-A1 (DE)
Title: Gas turbine for propulsion or power generation - has separate combustion chamber with indirect heating of working fluid
Inventor: VESTER GERHARD
IPC: F02C1/05
Filed: 1974-02-13
Abstract: The engine has a central tube contg. the normal gas turbine components. At the entry there is an air compressor followed by a heating chamber after which there is a turbine which drives the compressor and further turbines which provide the useful output. The central tube is surrounded by an annular tube closed at the front. The front of this forms a combustion chamber and contains injection nozzles for the fuel. Deflector plates ensure that the heat of combustion is transferred through the heat exchanger surface between the combustion chamber and the air heating chamber. The outer tube is surrounded by an air gap and an insulating outer jacket to prevent heat loss to outside.
Patent DE-2407195-A1 (DE)
Title: Unipolar DC signals recognition cct. - signals transmitted over lines affected by interference voltages
Inventor: MIERICKE DETLEV
IPC: H03K5/08
Filed: 1974-02-15
Abstract: Signal frequency is lower than the lowest expected interference frequency. A first counter controlled by clock pulses measures the duration of first polarity signals above a fixed threshold, and a second, similarly controlled counter counts the duration of the first polarity signal parts below the above threshold, and possibly also of the other polarity. These measurements are made up to a duration of 30 ms, a half-wave of the lowest interference frequency (16 2/3 Hz). When one or the other counter reaches this value, they are both reset. The first counter sets a bistable circuit, and the second resets it.
Patent DE-2408204-A1 (DE)
Title: Continuous flow drum dryer for viscous material - has water cooled cylinder with discontinuously variable speed drive
Inventor: PAPENMEIER FRIEDRICH HORST
IPC: F28F5/02
Filed: 1974-02-21
Abstract: The dryer consists of a drum which can be horizontal or inclined. The drum has a cylindrical outer shell and an inner shell forming a cooling water jacket between them. The inner shell has longitudinal ribs which can be segmental or triangular. The drum is rotated by rollers or gears and the material to be dried is contained within the inner shell. As the drum rotates it carries the material up on the rising inside surface until it falls back to the bottom of the drum by gravity. This movement increases cooling and also propels the material along the drum. The rate of cooling and speed of propagation can be adjusted to suit the material by variation of the speed of rotation of the drum.
Patent DE-2408760-A1 (DE)
Title: Hand rolling appts. for edges of hollow cylindrical parts - can exert large force while requiring little space
Inventor: BUSSE KARL-FRIEDRICH
IPC: B21D19/08
Filed: 1974-02-23
Abstract: The apparatus is used e.g. to roll over the edges of tubular guides for brake cables, to prevent the brake cable sliding over sharp edges. It consists of a radial vice-like clamping arrangement. A roller die is mounted over the part which is clamped-in. The roller die fits over the end of a screw. The screw is provided with a large handle and screws the die against the tube which is clamped in the vice. The roller die is fitted at the end of the screw by means of a grub screw which extends into a groove in the screw spindle. The screw spindle can therefore be rotated without rotating the die. The apparatus is provided with a handle so that it can be used in situ.
Patent DE-2409763-A1 (DE)
Title: Transmission system for large common TV antenna network - has pilot signal passing over compensation cable before adding to TV signal
Inventor: AFSAR ERDAL DIPL ING
IPC: H04B3/10
Filed: 1974-03-01
Abstract: The transmission system, for a large common television-antenna network, has a main amplifier station (HV) producing the pilot signal and to pass it over an auxiliary cable (HK) before the television signal is added to it. The auxiliary cable has an attenuation that is of the order of the attenuation of the main cable between the two gain-controlled amplifiers. The auxiliary cable is laid in the same manner as the main cable so that its properties exactly compensate those of the main cable -- especially its temperature-dependent characteristics.
Patent DE-2412820-A1 (DE)
Title: Pressure drive for control valves - contains disc-shaped spring formed as slotted star to reduce height
Inventor: ROTH GUENTHER
IPC: F15B15/10
Filed: 1974-03-16
Abstract: The pressure drive consists of a membrane housing, with a working membrane, and a return spring, positioned between housing and membrane, resp. membrane plate. The return spring consists of a disc shaped spring, with radially directed spring tongues. The spring has radial cuts, extending from the outer and the inner diameter of the spring. The tongues of the spring are positioned on a circle, and pre-tensioned differently, in direction and intensity. The spring can alternatively be formed as a series of spokes on a hub, with splits running up the spoke centres from a centre bore.
Patent DE-2413832-A1 (DE)
Title: Desk-top teaching machine with several input buttons - has array of answer lights and numerical display
Inventor: NIEBORG PETER
IPC: G09B7/073
Filed: 1974-03-22
Abstract: The apparatus contains a series of switching circuits connected to the array of input buttons. There is a series of lamps associated with the input of data or students answers and there is a second series of lamps associated with the answers given by the machine. The number of lamps in this second series is equal to the product of the number of input buttons and the number of answers stored in the machine. The buttons and rows of lights are on the bottom part of a console at a shallow angle to the horizontal. The numerical display consists of two rows of windows each showing two numbers, the display being placed on the upper part of the console at an angle nearer the vertical.