baber/WOPTO huggingface dataset:
Patent DE-2361526-A1 (DE)
Title: Treating waste waters from processing of organic material - by flocculating and deodorising
Inventor: SCHLEHUBER WILHELM
IPC: C02F9/00
Filed: 1973-12-11
Abstract: Waste waters from prodn. processes using organic raw materials, esp. waste waters contg. colloidal protein particles and basic, neutral or acidic substances, are treated by (a) adding a flocculating agent in an amt. sufficient to make the waste water slightly acidic; (b) separating the flocculated material and recycling it to the prodn. process; (c) treating the waste water with a deodorising agent; (c) opt. further purifying the waste water to remove ppted. impurities; and (d) pref. recycling the treated water for re-use. The process can be used to treat waste waters from teh processing of animal and vegetable materials (e.g. animal carcasses, sugar beet, etc.) for the prodn. of animal feed concentrates, etc. The size of the clarification unit can be reduced, and the disposal of activated sludge is avoided. The solids recovered in stage (b) are of the same quality as the product from the original prodn. process, thus increasing its output. The treated water is pure enough to be used as cooling water, process water, etc., or can be further purified to produce drinking water.
Patent DE-2401859-A1 (DE)
Title: Electric or solar energy heat store - has graphite and coal storage medium contained under vacuum in reflector-walled vessel
Inventor: SCHMID ALFONS WILHELM
IPC: F28D20/00
Filed: 1974-01-16
Abstract: The store has a central graphite electrode surrounded by the storage medium in the form of spherical elements of graphite or synthetic coal. The medium is contained in a graphite container surrounded by heat reflectors made of relatively thin graphite cylinders. The assembly is contained in an evacuated steel cylinder which also encloses a heat exchanger through which heat can be withdrawn from the store. In a modification the sun is used as a heat source, the rays being entered into the store through mirrors. The use of graphite or coal as the storage medium allows storage temperatures up to 3273 deg. K.
Patent DE-2402777-A1 (DE)
Title: Reversible heat pump for room heating - ammonia condenses under high pressure at 75 deg. C
Inventor: HOEHNE REINHARD F DR
IPC: F25B30/04
Filed: 1974-01-22
Abstract: A reversible heat pump for room heating for use with e.g. a solid fuel stove, and emplying evaporation, absorption, desorption and condensation, uses e.g. ammonia as a refrigerating fluid and water or a water solution as a circulating medium. The desorption pressure of the refrigeration fluid is sufficiently high for it to condense above a temperature of 75 deg. C, occurring at or near ts critical region. The expansion of the circulating medium takes place in an expansion turbine. The heat exchange system uses preheated air mixed with the flue gases from the stove.
Patent DE-2405000-A1 (DE)
Title: Cutter clamp for woodworking tool - has pressure piston with oil circuit and stronger spring for second stage
Inventor: SYBERTZ HANS
IPC: B27G13/00
Filed: 1974-02-02
Abstract: Cutter shaft for chip cutting woodworking machines has the blades held in recesses of the blade shaft body by spring loaded centrifugal wedges, adjustable in a first weaker clamping stage w.r.t their circle of flight, and immovable in a second tight clamping stage. The wedge is acted on by at least a weaker and a stronger spring, with a pressure piston between the stronger spring and the wege and displaceable in a closed, oil-filled cylinder space, whose chamber lying below the piston is connected for liquid exchange to the chamber above the piston. The connection has a throttle which reduces the flow cross section only for flow from the upper into the lower chamber, or a non-return valve which can be relieved from externally and which closes the whole flow cross section.
Patent DE-2409980-A1 (DE)
Title: Simultaneous pumping and filtering of liquids - esp. in chemical and electroplating baths, using compressed-air siphon
Inventor: WITTE DIETER
IPC: B01D35/02
Filed: 1974-03-01
Abstract: In a device for the simultaneous filtering and conveying of a liq. a vertical conveying tube is immersed in a bath, the bottom end of the tube being provided with both a filter plug and a gas inlet tube, via which air or another suitable gas can be mixed with the liq. in the conveying tube. The gas inlet is pref. located above the filter connection and the gas tube provided with an adjustable valve. The entire unit is pref. constructed of plastic and used in an electroplating bath or a chemical bath, esp. a chemical copper or nickel bath. Continuous filtration and circulation of a liq. is thus provided by a simple device contg. no moving parts which could be subject to wear; no maintenance is required and the unit is reliable and easy to clean.
Patent DE-2412419-A1 (DE)
Title: Home developing installation - is for super 8 films and uses a round tank with a rotary plate
Inventor: ERBEN GERHARD
IPC: G03D13/14
Filed: 1974-03-15
Abstract: Apparatus for developing Super 8 films in a domestic environment comprises a round tank with lid in which a film with a lower perforated edge is wound by a hand spool in coiled guide channels mounted on a disc. The disc consists of a fixed plate in the centre of which is a rotating plate for the film, which is connected detachably to a pin which slides in the slot of the rotating plate during winding. The development fluid is swept by fins on the rotating plate.
Patent DE-2417706-A1 (DE)
Title: Sulphonate gp.-contg. terephthalic acid copolyester prepn. - from terephthalic acid derivs., diol derivs and alkoxylated 2-sulphonato-methyl-propane-diol-1,3 salts
Inventor: VELKER EUGEN DR
IPC: C08G63/688
Filed: 1974-04-11
Abstract: Shaped articles are produced from high mol. wt. linear sulphonate gp. -contg. terephthalic acid copolyesters, (I), consisting of recurring structural units of formula -(CO-Ar-COO-X-O)- (where Ar is phenylene and X consists of 99-70 mol. % 2-20 C alkylene, cycloalkylene or in which R is 1-10 C alkylene, and of 1-30 mol. % -CH2-CHR'-(OCH2-CHR')m-OCH2-CH(CH2SO3M)-CH2O-(CHR'CH2O)n-CHR'-CH2- - (where R' is H or Me, M is NH4 or alkali metal and m + ( = 1 to 30)). (I) have relative soln. viscosities of rel. 1.3-1.9 (measured on soln. of 1 g in 100 ml m-cresol at 25 degrees C). The shaped articles are e.g. filaments and fibres, foils and injection-moulded articles. Products have good dyeability with basic dyes, strength and heat-stability.
Patent DE-2419452-A1 (DE)
Title: Protective layer for steel continuous casting belts - comprising water glass and muscovite-sodium silico fluoride mixture added to inorganic layer
Inventor: WUNDER WOLF DIPL ING DR
IPC: B22D11/06
Filed: 1974-04-23
Abstract: A continuous casting machine for aluminium and aluminium alloys, using steel belts under tension for the casting chamber, uses a special protective coating on the belts. The coating is made from a mixt. of 2-3 pts. wt. water glass and 1 pt. finely powdered muscovite and sodium silicofluoride. To the powdered portion may be added from 5 to 30% C. The particle size of the powder is 0.07 mm. The protective layer is 100-300 mu, pref. 200 mu thick. The steel belts are first coated with a keying layer of inorganic matl. applied cold, by e.g. spraying. This keying layer may be a flame or plasma jet sprayed ceramic layer, of 100-350 mu thick, or may be phosphate layer of 2 to 20 u thick.
Patent DE-2420236-A1 (DE)
Title: Jointing for terminal connector parts - is by cold friction welding for intimate union of copper or aluminium
Inventor: LIPPRANDT HERMANN
IPC: H01R4/02
Filed: 1974-04-26
Abstract: The production method for terminal connectors or inter-connectors for the connection of Cu- with Al-conductors of electrical lines producing a superior compound structure between the two metals is achieved by that both connector parts are joined by cold welding or friction welding. An intimate intermolecular union results between the two parts. Large temperature variations such as caused by current flow or sun radiation or by strong under-cooling do not destroy or reduce the conductive properties of the joint. Pre-fabricated terminal or interconnector parts of the same metal, i.e. Al to Al or Cu to Cu, may also be cold welded or friction welded with the same result.
Patent DE-2420890-A1 (DE)
Title: Washbasin attachment providing exchangeable insert units - provides additional appts with connecting elements
Inventor: MAIER-GERBER HARTMUT-WOLFGANG
IPC: A47K1/09
Filed: 1974-04-30
Abstract: Washbasin installation has at least one basic and with the housing of the washbasin having closable chambers with in the area of the basin for additional apparatus for body care such as for the care of the teeth and for mouth rinsing together with their connecting elements which have a permanent connection with the corresponding connecting sections of the wash basin installation. The basin housing has coverings to close off the chambers which correspond to its external shape. The additional apparatus together with its parts and connecting elements form together with the boxes containing them exchangeable insert units for the installation.
Patent DE-2422287-A1 (DE)
Title: Semiconductor laser diode with mesa profile - has channel-shaped recesses on either side of active laser zone for its lateral separation
Inventor: MEIXNER HANS DIPL PHYS DR
IPC: H01S5/227
Filed: 1974-05-08
Abstract: An active laser zone is contained in a portion of the semiconductor substrate of the laser diode, this zone having a strip-shaped structure. A conductive profile of mesa shape is in parallel to this zone. Both sides of the active laser zone in the semiconductor substrate have channel-shaped recesses, bounding laterally this zone and separating its sides from other portions of the semiconductor substrate. Preferably the substrate provided with the channel-shaped recesses carries on its surface a layer of high thermal conductivity in thermal contact with the region containing the active laser zone and with the lateral regions of the substrate portions at the recesses sides. The laser body may be formed by the substrate with subsequently deposited semiconductive layers.
Patent DE-2426276-A1 (DE)
Title: Spinning spindle drive mechanism - has drive belt tension roller in slide mounting on swing lever to give rapid disengagement
Inventor: SHARYCHENKOW ALEXANDR ALEXEEWI
IPC: D01H1/241
Filed: 1974-05-29
Abstract: An appts. is claimed to drive the spindle of a spinning or twisting machine with a swing lever, operating in the vertical plane, which is pivoted to the machine frame and carrying a groove along one of its arms. A slide is held in this groove by a spring to support the axis of the tension roller. The other arm of the lever is used to transmit the pivoting pressure to displace the tension roller by simultaneous movement of the slide to lift the flexible drive clear of the continuously-rotating shaft. The design provides an easy method of disconnecting the drive to the spindle, using a tension roller of simple construction.
Patent DE-2428842-A1 (DE)
Title: Ruling attachment to produce interrupted lines - using a tracing stencil with recesses fitted between ruler and a holding rail
Inventor: TRACHSLER WILLY
IPC: B43L13/24
Filed: 1974-06-14
Abstract: Ruling device produces interrupted lines with a ruler and an attached tracing stencil which can be exchanged. The tracing stencil edge projects beyond the ruler on the drawing side and has on that side the tracing recesses for interrupted lines. The stencil itself is made as a layer-type sheet and in the operating position is clamped between the ruler and a holding rail pressed against it. The ruler has a clamping surface extending along it against which the holding rail is pressed using a tensioner for the purpose of holding the stencil sheet in position between them.
Patent DE-2437305-A1 (DE)
Title: Component-assembled noise-screening wall - comprising parallel interconnected hollow profiles or half hollow profiles
Inventor: WEBER GUENTHER DIPL ING
IPC: E01F8/00
Filed: 1974-08-02
Abstract: The wall is made up from a series of shaped-section units arranged parallel to each other and joined together, these shaped-sections being hollow profiles or halves of hollow profiles, which may be circular, semicircular, ellipsoid, oval, half-oval, half-ellipsoid, rhomboid, hafl-rhomboid, trapezoid, double-trapezoid, box-shaped or hall-box-shaped in cross-section. A vertical casting groove may be used for joining them together, or they may be tongued and grooved, or joined by a steel anchor. They may be of cement-bonded or plastic-bonded materials, or of plastic, and may have ribbed surfaces. The wall affords effective insulation against excessive and possible health-damaging noise, using components which can be cheaply mass-produced.
Patent DE-2453728-A1 (DE)
Title: Generator of optically-acoustically perceptible pulse for stutterers - adapts pulse frequency to psychic state
Inventor: MUECKENHOFF KLAUS DIPL ING DR
IPC: A61F5/58
Filed: 1974-11-13
Abstract: Generator for producing an acoustically or optically perceptible pulse to aid stutterers provides a pulse frequency which is controlled according to heart beat frequency or another physiological value, the pulse frequency and heart beat frequency pref. having a fixed given ratio relative to each other. The heart beat frequency is determined according to fluctations in blood vol. in the extremities of the body, such as the fingers or ears, which are picked up by means of a photoelectric pulse sensor. The subjective state of the user is thereby fully respected, which can conpensate for causes arising from e.g. a too stern or unsympathetic external authority.
Patent DE-2458970-A1 (DE)
Title: Oxidn. catalyst, esp. for maleic anhydride - from molybdenum and titanium oxides
Inventor: JONY MARCEL
IPC: C07C51/25
Filed: 1974-12-13
Abstract: Catalysts for oxidn. of organic cpds. esp. C4 hydrocarbon cuts to maleic anhydride, comprise by wt. 80-90 % pref. 85-90%, anatase TiO2 with specific surface of 5-20 m2/g pref. 5-10 m2/g and 8-20% pref. 8-18% MoO3 and pref. contains 1.5-5% of oxide of element from Cr, Sb,Bi, Fe, Ni, W and esp. U, in atomic ratio of Mo to element of 1-10:1. Catalysts can be used in fluidised or fixed beds for oxidn. of hydrocarbons to aldehydes, ketones and acids, but esp. vapour phase oxidn. of satd. or unsatd. >=4C hydrocarbons to maleic anhydride.
Patent DE-2461201-A1 (DE)
Title: Magnetic recording material prodn. - with annealing in static magnetic field to improve sensitivity
Inventor: KITAMOTO TATSUJI
IPC: C09D5/23
Filed: 1974-12-23
Abstract: A magnetic recording material is produced by applying a strip of a magnetic material onto a carrier under pressure and at an elevated temp. and, simultaneously or subsequently, subjecting the material to annealing in a static magnetic field in the direction in which the magnetic recording will be effected. The sensitivity of the magnetic material is improved; the coercive force, the residual magnetisation and the squareness ratio are considerably increased. The magnetic material contains a fine ferromagnetic powder of maghemite, magnetite or berthollideferric oxide with addition of 0.2-35 atom. % of cobalt. The magnetic material is applied onto a substrate (e.g. PVC, polycarbonate, polyacrylonitrile, glass fibre-reinforced polyester, ABS resin, metal plate or glass sheet) under a press of 3-300 kg./cm.2 at 50-300 degrees C. A magnetic field of 100-3000 G. is applied, and the annealing is carried out for 5 mins. to 3 hrs. at a rate of 5.32 degrees C/min. Optionally, the ferromagnetic material may contain 0.1-20 atom. % of Mn, Cr, Ni or Zn.
Patent DE-2503839-A1 (DE)
Title: Lance for decarburising stainless steel - consists of three concentric pipes down which are blown oxygen, carbon dioxide and steam
Inventor: FROEHLKE MANFRED DIPL ING
IPC: C21C7/10
Filed: 1975-01-30
Abstract: A refractory coated, immersion lance for treating a quality steel melt, esp. stainless steel, in a ladle under vacuum, consists of three concentric pipes of different dias. The inner pipe and the two annular passages are each connected to a fluid source. The inner pipe is pref. connected to a steam supply, the middle annulus to an O2 supply and the outer annulus to a protective medium, esp. an endothermically reacting gas (pref. CO2). Also claimed is a method of decarburising quality steel melts using the lance, in which, as soon as the C in the melt reaches the required level, argon is substituted for the gases used during refining to purge the system and gradually relieve the vacuum.
Patent DE-2509739-A1 (DE)
Title: Aqueous dispersions contg. fibrous polyolefine compsns. - using Cyclic acetals or ketals as dispersants suitable for sheet formation
Inventor: ENGLER PETER DIPL ING DR
Filed: 1975-03-06
Abstract: Aqueous dispersions contg. polyolefine fibrids alone or in admixt. with cellulose fibres are prepd. by use as dispersing agent of a cyclic acetal or ketal of formula Where R' = Me satd. or olefinically unsatd. 2-30C alkyl or aryl, R2 = H or similar to R', R3 = (a)alkyl or (b) R4 = H, CH2OH or (b) and x = 10-50, y = 0-50. Used for prepn. of sheet materials, e.g. papers or felts having water-resistant properties. Surfactants previously used for prepn. of fibrid dispersions caused severe foaming both during dispersion prepn. and subsequent sheet making, necessitating the addn. of antifoam agents in amts. sufficient to adversely affect the H2O-resistance of the final sheet. Use of the new dispersants prevents the occurrence of foaming at both stages of the process.
Patent DE-2520697-A1 (DE)
Title: Hardening of C-section metal seal rings - in tension free conditions supported on vertical circular ridge on disc
Inventor: RUF MAX
IPC: C21D9/00
Filed: 1975-05-09
Abstract: Apparatus for the low tension hardening of thin walled annular seal elements of metallic hardenable materials with a hollow, preferably C-shaped cross section, which can be inserted in a hardening furnace and in which the seal elements are heated and hardened to hardening temperature under load, comprising a series of stackable discs on the upper side of which a collar runs round the peripheral edge, each disc being provided with an annular ridge situated radially within the collar and having a height at least as great as that of the collar and greater than the height of the seal elements and on which the seal element is received while the underside of the next succeeding disc is plane in the zone of the ridge against which the seal element presses. Ensures a uniform heat supply and makes warping of the sensitive seal element impossible.
Patent DE-2525485-A1 (DE)
Title: Position location system using radio beacons - achieves improved accuracy using calibration transmitters, processing and storage for atmospheric variation compensation
Inventor: BAUR KARL PROF DR ING
IPC: G01S3/10
Filed: 1975-06-07
Abstract: A navigation device of known type for position determination is improved to provide higher location accuracy by use of stores and a processor. The system uses one or more direction finder stations which determine the azimuth and/or elevation of electromagnetic waves sent from the object transmitter. Calibration transmitter of known location are used. Their signals are detected in the direction finding stations either continuously or under control of command signals. The received directional data is transformed in the processor into instantaneous carrier medium transfer characteristic data and is placed in a store with reference to the known state of the carrier medium for use in similar conditions. The stored data enables compensation for atmospheric variations. The system may be used in multiple beam fields.
Patent DE-2527693-A1 (DE)
Title: Stacked sack opening mechanism - tilts suction device away from mouth after exhaustion and inserts finger
Inventor: HAUPTSTEIN FRIEDRICH FERDINAND
IPC: B65B43/36
Filed: 1975-06-21
Abstract: The system opens stacked sacks, particularly of paper or plastic, using a suction device gripping the outer sack wall. The suction device (6) is first lowered onto the edge of the opening in the upper sack wall, and exhausted. It is then tilted about its edge (12) furthest from the opening, after which a finger (15) etc. is placed on the now exposed upper surface of the lower sack wall (5). The suction device is then moved vertically away from the latter. Before tilting the device, it can move upwards at the edge nearest the sack opening, and before insertion of the finger an air jet can be directed into the sack mouth.
Patent DE-2529447-A1 (DE)
Title: Coercive motion safety valve - has eccentric shaft mounted piston with jaws connecting or disconnecting air passage in piston channels
Inventor: DITTMER HEINZ-F
IPC: F16P3/22
Filed: 1975-07-02
Abstract: The pneumatic safety valve is intended for pneumatic stamping presses to ensure safety for the operator if other safety devices fail. It consists of a piston (1) connected to an eccentric shaft, so that it rotates if a failure occurs on the safety devices. The piston has part-circumferential channels (2, 3, 4). Two channels (2, 3) serve for the intake and outlet of the compressed air and the other channel (4) is arranged to act as a venting opening, if, due to the rotation of the piston, the connection between the air channels (2, 3) is interrupted. None of the channels (2, 3, 4) extends around the entire circumference of the piston, so that the ridge which remains blocks the air passage to the outake channel (3), allowing the air to escape. Two jaws (7) are pressed against the circumference of the piston by springs (8, 9) and the jaws contain the air inlet and outlet connections.
Patent DE-2530567-A1 (DE)
Title: Quick to clean cattle stall floor grating - consists of strips or blocks welded or screwed to base on intermediate girders
Inventor: WERNER PAUL
IPC: A01K1/015
Filed: 1975-07-09
Abstract: The floor-grating consists of bars joined to intermediate girders on which is a base supporting the actual grating-bars. The grating-bars may be tubular or solid; of equal or unequal length, and can be welded or screwed to the base. The grating-bars can be made of plastic, concrete or wood in part or whole. A foot-trough can be incorporated with or without water-supply outlet-holes and cover which can be inserted or removed, for the cattle to stand in the trough if required. The base-pieces can be the same thickness as the intermediate girders. The gratings are sectional and can be placed alongside each other in a continuous cleaning-channel.
Patent DE-2532486-A1 (DE)
Title: Single phase motor with auxiliary phase - has switch which is mechanically connected to electromagnet
Inventor: STAHLSCHMIDT ROBERT
IPC: H02H7/08
Filed: 1975-07-21
Abstract: The switch (10) is operated by a mechanical linkage and is connected to the armature of the electromagnet (11) in series with the auxiliary phase circuit (30) and it is operated by both the load current and by the rest current in case of voltage failure. A protective switch (13) is in series with the electromagnet. It monitors the motor current and its warming up, and controls the electromagnet excitation and its main phase (15) contact (14) operation.
Patent DE-2533950-A1 (DE)
Title: Magnetisation of ferromagnetic particles to specific code - has electromagnet with poles linked by iron plate and cone shoes
IPC: H01F13/00
Filed: 1975-07-30
Abstract: The circuit is used for permanently magnetising small particles of ferromagnetic material to a given magnetic code. The permanent magnets produced in this manner are intended for permanent operation. In this system the rotating or sliding magnetic coils are replaced by magnetic heads. The magnetising circuit consists of a fixed electromagnet with poles (18, 19) linked by an iron plate. The poles are wound with d.c. coils (1, 2, 3, 4) of equal strength to terminate in pole shoes (5-10). The pole shoes have cone shapes causing the lines of force of the magnetic fields to be concentrated accordingly. Magnetic fields of different polarities and directions in accordance with a given code are produced by rotating a magnetic head inside a fixed magnet.