baber/WOPTO huggingface dataset:
Patent DE-2550078-A1 (DE)
Title: Aluminium cast alloy of high specific resitivity - used in die-casting, contg. silicon germanium and copper
Inventor: IMAHASI HIROMICHI
IPC: C22C21/00
Filed: 1975-11-07
Abstract: Aluminium cast alloy, of high specific resistivity, used for die-casting, comprises silicon =12.5 wt % germanium =11 wt % and remainder aluminium. Copper, 3.5 wt % may optionally be added. Aluminium-silicon matrix is molten at about 570 degrees C, and after the temp. is raised to 800 degrees C germanium is poured in. The alloy obtd. is in a casting condition. A solid soln. of silicon and germanium crystallizes in the aluminium matrix and an intermetallic cpd. CuAl2 of copper and aluminium separates. The alloy has high specific resistivity equal to that of Al-Mg alloy, and satisfactory die-casting. It is used for making die-casting rotor conductors for induction motors which require a high starting torque.
Patent DE-2550397-A1 (DE)
Title: Stabilised direct voltage supply with variable direct input - is designed for light construction and includes push:pull circuit with two electronic switches
Inventor: WOEHRLE PATRICK
IPC: H02M3/00
Filed: 1975-11-10
Abstract: A circuit for producing a stabilised direct output voltage from direct voltage source (1) whose output varies between upper and lower values, respectively higher and lower than the stabilised voltage, is designed for small and light construction. A push-pull circuit contg. two controlled electronic switches (2, 3) is driven by a control (9) which alternately supplies control pulses to the switches depending on the stabilised voltage input (U2). The switches are connected to the primary winding (10a, 10b) of a transformer (10) with a centre tap supplied from the voltage source. The secondary winding (10c) is connected to a rectifier circuit (14) whose output provides the stabilised voltage via a filter (19, 20). Commutator switches (11, 12, 13) are connected between the electronic switch junction (4) and the rectifier outputs (17, 18) and between the electronic switches and the primary winding.
Patent DE-2558105-A1 (DE)
Title: Biological sewage treatment - in inclined air lift shafts of specified size for fluid aeration in basins
Inventor: ENGELBART WILKE
IPC: C02F3/12
Filed: 1975-12-22
Abstract: An aeration device for the purificn. of water in biological clarification basins and ponds on the air lift pump principle consists of upward inclined shafts. The length of their bottom guide plate has the same or a smaller ratio to the distance between lower and upper guide plate as the average flow velocity of the water in the shaft to the mean velocity of air bubbles rising in still water. This system combines high water ciculaion rates with longer times of retention of the air. It is a simple method of biological purificn. for waste effluents.
Patent DE-2603874-A1 (DE)
Title: Arsenic sepn from copper solns - by extraction with tributyl phosphate
Inventor: TAKAHASHI MITSUO
IPC: C01G28/00
Filed: 1976-02-02
Abstract: Arsenic present in electrolytic solns. contg. Cu from the hydrometallurgical treatment of Cu ores, is removed from these solns. by contact with an org. phase contg. tributylphosphate, whereby As is transferred to the org. phase. This org. phase is then brought into contact with water or an aq. alkaline soln. so as to transfer As into an aq. phase from which it is subsequently extd. The org. phase used as extracting agent pref. contains 50-75 vo.% tributylphosphate, and in addn. an alcohol such as 2-ethylhexanol or dodecylalcohol.
Patent DE-2605956-A1 (DE)
Title: Multi purpose driving mirror - with several mirror surfaces on selector pivot within streamlined housing
Inventor: DREHER HARIOLF FRIEDRICH
IPC: B60R1/08
Filed: 1976-02-14
Abstract: The driving mirror has a several mirror surfaces on a revolving pivot, each with a different light reflecting property. The driver can select, by remote control, the mirror surface to suit the driving conditions. The mirrors can be mounted on a revolving prism inside a streamlined housing. Apart from daylight and nighttime mirrors, the assembly can include various polarising mirrors. It is especially suitable as a replacement for large wing mirrors on heavy vehicles, which can lead to excessive dazzle from following headlights at night.
Patent DE-2609076-A1 (DE)
Title: HF resonator coupler in superconducting cable - giving mechanical and galvanic separation between generator and resonator uses capacitative four terminal transducer
Inventor: SZECSI LASZLO DIPL ING DR
IPC: H01P1/04
Filed: 1976-03-05
Abstract: The application is principally to linear elementary particle accelerators employing superconducting power cable modulated with a narrow band width HF resonator. In order to separate the resonator (5), which operates at cryogenic temperatures, from the generator (1) for both thermal and mechanical reasons at least on capacitative four terminal transducer (10) is introduced into the connecting circuit. The generator to resonator connections are typically coaxial conductors or wave guides and can be adapted to form air insulated coaxial capacitors to produce the required transducers. Mechanical interference frequencies are thus removed from the resonator, and a thermal barrier is also introduced.
Patent DE-2611181-A1 (DE)
Title: Mine tunnel arch handling system - has parallel conveyors adjusting on platform in gantry with erectors, feeders grabs
Inventor: WYROBEK EMIL DIPL ING
IPC: E21D11/40
Filed: 1976-03-17
Abstract: The mine tunnel arch handling and erection system is formed from two scraper chain conveyors with two conveyors (1) which are at a set parallel spacing mounted on a mobile gantry (2). The conveyors are linked forward by a platform (3) which pivots the erector (7) via telescoping tubes (4, 5) and a servo motor (6) so that the errector stands between the two conveyors together with its hoist. (8). Fitted to an additional beam (9) uniting the conveyors are hydraulic manipulators (10) with end grabs (11). A second servo motor (12) is responsible for moving the conveyors, platform and beam on their gantry framework (2) and there is also a hydraulic feeder (13) which is at the rear of the gantry frame and pivots on an axis (38) arranged at right angles between the two conveyors, the legs of the feeder placed in the horizontal plane.
Patent DE-2611681-A1 (DE)
Title: Cross:country vehicle track - has travelling shoes extending for different sections of width under joint pins
Inventor: BOERNER HANS
IPC: B62D55/28
Filed: 1976-03-19
Abstract: The track is for cross-country vehicles, particulary tanks, its links having double tubular bodies with faces for rolling against wheels, and to which link bodies are attached with similar faces. Each of the tubes in a body has a pin passing through it and fitting in a resilient bearing. The link bodies bear directly on the pins. Travelling shoes running in the lenthwise direction of the track extend in the lengthwise direction beyond the pins. The shoes (20) are mounted either only on the link bodies (2), or both on them and the bi-tubular bodies. Their portions beyond the pins also extend underneath them over different sections of the track width.
Patent DE-2612110-A1 (DE)
Title: Spring mounted post for roadside - has plastics ball joint insert in base of hollow metal post carrying position restoring tension spring
Inventor: DIEDERSHAGEN BRUNO
IPC: E01F9/627
Filed: 1976-03-22
Abstract: The roadside guide-post automatically reverts to an upright postion when knocked and acts under the influence of the pull of a spring, via a ball-joint. There is an insert which operates in the lower part of the standard-type guide-post so that the post gives way under substantial impact in any direction. It bends over as far as the horizontal, then springs back to its original stance as pressure decreases, and locks in position. The inset comprises spacer unit, stretcher chain, tension spring, retaining bolt and hinge unit. It can be made of plastics, and the other parts of steel.
Patent DE-2612194-A1 (DE)
Title: Burstable bag for use with centrifuges - has linear notch to open under centrifugal force and free contents (SW011176)
Inventor: STAHL ROBERT M
IPC: B31B50/88
Filed: 1976-03-23
Abstract: The bag consists of a film with two sides connected by sealing at three seams, and having a single non-sealed common end. This common end has a linear notch, to give it a strength, which is sufficiently low to open under stress, and set free its contents. The film has a constant thickness, and the linear notch reduces this thickness by approx. 50%. The two sides are connected via radio frequency sealing, and a single thermal impulse seals the top. The notch is positioned by a carbon dioxide laser, and has an even U-shaped cross section.
Patent DE-2616029-A1 (DE)
Title: Multiple injection of different plastics into a single mould - to give a unified moulding of several regions joined by transition zones
Inventor: SPIER I MARTIN
IPC: B29C45/16
Filed: 1976-04-12
Abstract: Injection moulding methods claimed in which different mixes are injected at the same, through different nozzles, so as to give a finished piece having defined regions of different physical or chemical characteristics with transition zones between; in the transition zones the injected plastics are intimately mixed. According to the plastics used, the transition zones display either a chemical bonding or a (possibly fibre-reinforced) physical bonding.
Patent DE-2618061-A1 (DE)
Title: Automatic measurement of variable parameter RMS value - uses transducer circuit to drive infrared coupling link and output averaging circuit
Inventor: DREXLER HORST
IPC: G01R19/03
Filed: 1976-04-24
Abstract: A circuit is used for measuring directly the effective or root mean square value of a time varying parameter, such as voltage or current. An infra-red optical coupling link is used to extract the value. The device has no moving parts, is small and provides electrical isolation between input and output circuits. An input signal representing the variable concerned is fed to two input terminals (7, 8). It is rectified (1), amplified (2) and fed to an infra-red source (4), typically a discharge lamp. An associated power supply (3) allows the source to be set to a linear range. An infra-red sensitive detector (5) and suitable amplifying circuit (6) produce the required signal at an output pair (9, 10).
Patent DE-2624149-A1 (DE)
Title: Intruder resistant device for cellar air shaft - has steel bars in iron tubes on wall plugged U-shaped profiles
Inventor: UHL WALTER
IPC: E04F17/06
Filed: 1976-05-28
Abstract: The device is fitted to prevent housebreaking entrance from being effected through a cellar window via the air shaft, below the customary grating. Two U-shaped u nits (1) have holes (2) for dowel fixture in the concrete sidewall. Rectangular iron blocks (3) are welded on, for emplacement of end-pinched steel tubes (4) containing round steel bars (5) cut to a matching length. The steel tube assemblies may be fitted onto one or more T supports with U-shaped units on both sides, fixed in the floor of the shaft.
Patent DE-2624610-A1 (DE)
Title: Wheel disc pressure die castings - made of aluminium wrought alloy with roller burnishing of rim outsides
Inventor: FRITZ WALTER
IPC: B60B3/06
Filed: 1976-06-02
Abstract: Wheel discs consisting of an AlCu alloy are produced as press. die castings. The outer ends of the rims are compressed to the final shape by a roller burnishing treatment. Al-Cu alloys are wrought alloys and have a higher elongation to fracture than conventional Al-Si cast alloys. The burnishing makes any defect visible and strengthens the rims ends without any necessity of machining operations. The result is a more precise wheel of lower wt.
Patent DE-2625941-A1 (DE)
Title: Swimming aid for child - has set of floats attached to back of wearer and secured at front clear of arms
Inventor: PEX BRUNO
IPC: B63C9/135
Filed: 1976-06-10
Abstract: The swimming aid for the child has several floats made from a buoyant material, and puncture proof, attached to a belt (2) which is looped around the chest of the child. The fastening buckle is at the front and the floats rest on the back. They provide a safety buoyancy without hindering swimming. The floats have a large float (4) flanked by two smaller floats (5, 6) so that the arms of he child are not encumbered. The back mounting of the floats also enables the parents to identify their child, even in waves. The large float can be fitted with extra identifying tags, sticking up into the air.
Patent DE-2633914-A1 (DE)
Title: Right and left hand mounted door - has pivoted hinge sleeve on serrated fitting plate on door panel
Inventor: HOERMANN THOMAS J
IPC: E05D7/02
Filed: 1976-07-28
Abstract: The door panel carries hinge components which make it possible to place the door to open to the right or to the left. This is made possible simply by rotating each of the two hinge fittings on the door through half full circle. Each hinge fitting (4) provided with a sleeve (3) has on its rear face (9) serrations (10) and opening for a pivoting screw. The sleeve is screwed on the fitting plate which also has matching serrations (8). The fitting plate has serrations in its middle region and a staggered opening for accommodating a conventional sliding cage nut (16) in the cage.
Patent DE-2634119-A1 (DE)
Title: Terminal assembly for electric conductor - has clamping cylinder with eccentric clamping surface and spring loaded intermediate part between clamping surface and conductor
Inventor: SAUER HEINRICH
IPC: H01R4/50
Filed: 1976-07-29
Abstract: The terminal has a clamping element rotatable in the terminal frame, clamping the conductor, cylindrical in shape, provided with an operating hole on a butt end. It has an eccentrically placed clamping surface projecting above the cylinder, and a conductor insertion hole in the frame outside the cylinder. The axis of the cylinder and the conductor insertion hole are parallel to each other as in 2243454. There is a swingable intermediate element (35) which is spring loaded towards the clamping surface (4). It is installed between the clamping surface (4) and conductor (10).
Patent DE-2635494-A1 (DE)
Title: Space-saving plastics bottle for carbonated beverages - has square cross-section and tapering middle and top sections
IPC: B65D1/02
Filed: 1976-08-06
Abstract: Plastics bottle for beverages, esp. carbonated ones, is of square cross-section with rounded corners. Its sidewalls are axially parallel in the lower section of the bottle whilst they are inclined towards the axis in the central and top sections, thus defining a truncated pyramid at whose top end there is the closure of the bottle. Saves storage and stacking space, yet is easily removed from a wrapping e.g. a packing case. The bottle is pref. made of a plastics derived from bisphenol-A and CO2 ("Makrolon" RTM) or a polycarbonate marketed as "Lexan" (RTM). The plastics may be coloured. The bottle is pref. mfd. by blow-moulding.
Patent DE-2637309-A1 (DE)
Title: Power operated door or flap monitor - has safety devices stopping increase in pressure if control fails to respond to feedback
Inventor: ROOST WALTER
IPC: E05F15/47
Filed: 1976-08-19
Abstract: A power operated door or flap is fitted with monitoring and safety devices working in conjunction with the control system so that a power actuation or pressure increase is prevented if, following a pressure increase no feedback signal is received by the control system. The installation includes a pressure switch (5) with a contact (6) and electrical connections (11). The switch is operated by pressure pulses arriving at the switch housing from a hollow body (2) via a connecting pipe (4). Before joining the switch the pipe (4) has a T-branch with air bleed (7). The hollow body is also connected by a pipe (8) to an air pump (9) driven by an electromagnet (10).
Patent DE-2637855-A1 (DE)
Title: Machine to fold welded wire mesh - has movable bar to clamp bending fingers on support
Inventor: VERSCHUEREN BENEDIKT
IPC: B21D11/12
Filed: 1976-08-23
Abstract: The machine which folds welded wire mesh has bending fingers transverse to the parallel mesh wires, around which the wires are bent. The fingers are mounted on a support, on which they can be moved to adjust the separation of the fingers, according to the spacing of the wires. The fingers are clamped in place by a piece running parallel to the support, the piece being movable parallel to the support from a position in which all the fingers are movable to a position in which they are all clamped. The fingers are mounted on a U-section support with inward pointing lips on which the retaining piece presses.
Patent DE-2638133-A1 (DE)
Title: Eddy current and-or hysteresis brake for tracked vehicle - uses lines of rotatable cylindrical and fixed rectangular permanent magnets
Inventor: BAERMANN MAX
IPC: B61H7/08
Filed: 1976-08-25
Abstract: The eddu-current and/or hysteresis brake, for tracked vehicles, consists of several identical elements adjacent to one another along the direction of motion. Each element consists of a rotatable and a fixed permanent magnet. Each rotatable cylindrical magnet is magnetised along its dia. and its axis is perpendicular to the braking surface (rail or track). The fixed magnet is rectangular with its longest dimension perpendicular to the braking surface. The elements have soft-iron pole pieces with segmental recesses on their inner surfaces in which the rotatable magnets extend. The fixed magnet lies with one pole on the pole piece and the other on the lateral magnetic return piece.
Patent DE-2640374-A1 (DE)
Title: Motorised pump for installing into central heating pipelines - has inlet and outlet connections on pipe centre line
Inventor: BOES GUENTHER DIPL ING
IPC: F04D29/40
Filed: 1976-09-08
Abstract: The pump, esp. motorised pump is used for direct fitting into pipelines. The corrosion resistant pump is economical to produce and is readily fitted and held firmly in the pipeline. The pump housing (10) has inlet and outlet connections for the transfer of liquid in the pipeline. It has connecting openings (15, 16) for the pump chamber in the housing (18) with the rotor (12). This housing is readily connected and detached with the connector (11). The inlet and outlet connections are arranged opposite each other on a common centre line of the pipeline.
Patent DE-2643021-A1 (DE)
Title: Semi-automatic turn over system for refilling self-service shelves - uses unit packages containing several items with orderly removal from front
Inventor: HETTLER PAUL
IPC: A47F10/02
Filed: 1976-09-24
Abstract: The semi-automatic turnover system for refilling shelves in self-service stores consists in packing the goods in standard unit packages (1, 6) and then supplying these packages in multiples for storage in the stock room from where the individual unit package can be placed on the sales shelves as required. The unit packages are pref. designed so that they can be conveyed to the sales shelves by suitable transport means without any contact although at the shelves the goods can be removed individually without any wasted packages. This is ensured since the packages automatically move to the front in succession so that dated packages are removed in order avoiding old stock being left at the back.
Patent DE-2643819-A1 (DE)
Title: Portable daylight film developer and enlarger - has an illuminating table orientable with aid of magnetic locks
Inventor: VACIK ERICH
IPC: G03B27/32
Filed: 1976-09-29
Abstract: A daylight enlarger and developer has an illumination table with bellows. In order to project any section of the image, the table with the film frame held on pins, can be moved in all directions and rotated and can be locked in any selected position by e. g. magnetic locks. A paper loading unit holds a stack of films, which can be taken out one by one by a slide. A transport device which can be connected with the paper loading unit and the frame. Another frame for the film sheet fixes it in the above frame. A cover frame is held in a transport device by screws. It has a recess in which the holding down frame can be inserted.
Patent DE-2651777-A1 (DE)
Title: Building wall element assembly - has groove in stepped wall element section with anchor pressing it against column
Inventor: WITTIG HANS-JOACHIM
IPC: E04B2/60
Filed: 1976-11-12
Abstract: The wall elements (7) are in a stepped (9) configuration along the columns (1), with the step in each element overlapping a corner of a column. The end faces of the step shank (8) contain a groove (12) engaged by an anchoring element held by the T-shaped groove in the column's nearest side, pressing the shank against the column. An intervening elastic sealing strip may be provided between shank and column side. The anchoring element can comprise a bolt with its head in the anchoring groove, and an anchoring plate held on this by a nut.
Patent DE-2652146-A1 (DE)
Title: Instantaneous specific fuel consumption determining process - dividing fuel consumed by vehicle by distance travelled measured by counting distance pulses
Inventor: PEITHMANN LUDOLF DR ING
IPC: G01F9/00
Filed: 1976-11-16
Abstract: The determining process ascertains the instantaneous specific fuel consumption by a motor vehicle. The fuel is pref. continuously supplied in specified, constant amounts. Distance travelled during consumption of one or several of these fuel amounts is measured, and specific fuel consumption determined as the quotient of consumed fuel by distance travelled. Distance travelled is measured by distance pulses generated during the time interval in which one or several fuel amounts have been consumed. The pulses are counted and their number multiplied by the distance travelled per pulse.
Patent DE-2658328-A1 (DE)
Title: Hexa:fluoro:propylene epoxide prodn. by anodic oxidn. - in an electrolysis cell contg. opt. fluorine-contg. aliphatic carboxylic acids or nitrile(s) in the electrolyte
Inventor: MILLAUER HANS DIPL CHEM DR
IPC: C25B3/23
Filed: 1976-12-23
Abstract: The parent patent claimed a method for prodn. of hexafluoropropylene oxide (I) using an electrolytic cell contg. at least in the anode chamber, a soln. of glacial acetic acid and/or acetonitrile with about 2-40 vol.% water and 1-10 wt.% on total soln., of an alkali perchlorate, -hexafluorosilicate, -tetrafluoroborate, -hexafluorophosphate, or -nitrate and/or >=1 of the free acids on which these salts are based as conductivity-increasing agent. The anode is of a Pt gp. metal or alloy, or PbO2 and the cathode is of a common metal or graphite. The catholyte may be another standard electrolyte. The cell is operated at -30 to +50 degrees C, pref. 0-30 degrees C. In the process of this patent of addition, the glacial acetic acid and acetonitrile in the electrolyte are replaced by or supplemented by other, opt. fluorine-substd. aliphatic carboxylic acids and/or nitriles.
Patent DE-2704460-A1 (DE)
Title: Normally open fire protection door - has sliding ball bearing guides running on guide profiles springs acting as tilting compensators
Inventor: DAMIANI FRANCO
IPC: E06B5/16
Filed: 1977-02-03
Abstract: The fire protection door is moved into the closed position along a guiding track. The fire protection door has ball bearing guide sleeves running on guides which can be vertical hollow profiles (5) with guide slots. The hollow tube accommodates the balls of the ball sleeve on the fire door. Vertical guides can be provided with contact pressure exerting springs for compensating fitting moments.