baber/WOPTO huggingface dataset:
Patent DE-3019698-A1 (DE)
Title: Oxygen concn. regulated in activated sludge treatment - by full aeration rate at two-thirds of desired concn.
Inventor: MESSNER RUDULF
IPC: C02F3/00
Filed: 1980-05-23
Abstract: A method of maintaining optimum oxygen concn. to suit varying biological oxygen demand in activated sludge tanks in sewage treatment is as follows. The specific oxygen content at the outlet from the activated tank is determined and, when approx. 2/3rds. of the intended content is reached, the aerating appts. is operated to its full output; as the theoretical or set-point is approached, the output is reduced to a minimum level which maintains the set-point; if the value then drops from the set- point, then on each occasion the supply of air through the aeration device is adjusted to rectify this. Pref. the instantaneous result of the oxygen content measurement is used as a control variable for adjusting the output of the aeration appts. the latter being attained by varying the speed of the aerator drive. This may be done by speed control of a direct current machine, but a frequency converter with an asynchronous motor, by a pneumatically or hydraulically driven machine, or by an internal combustion engine, or by a variator drive of any type.
Patent DE-3022994-A1 (DE)
Title: System for determining surface changes of human body - uses perforated template for light projection and pattern photographing for comparison in time intervals (AT 5.2.81)
Inventor: SCHMIEDECKER KARL DR
IPC: A61B5/103
Filed: 1980-06-20
Abstract: The measuring of surface and shape changes of the human body uses a perforated template through which light is projected onto the patient's body and photographed for comparison with pictures taken previously. The template is trapezoidal, with horizontal lines across it and divided by a vertical line forming an axis of symmetry. Between the horizontal lines are dotted lines, and those lines nearer the base are further apart then lines nearer the top. This spacing varies in a regular manner. The position of the patient can be varied to show distortions of the spine or other organs.
Patent DE-3024941-A1 (DE)
Title: Light transmission measurement with protection form scattered light - using Ulbright sphere and laser beam measuring soln. concn.
Inventor: KUHNKE MANFRED ING GRAD
IPC: G01N21/59
Filed: 1980-06-27
Abstract: An arrangement measuring light transmission properties consists of a monochromatic laser light source, a sample (3) holder in the beam (1) path, and a photodetector (6) in an Ulbricht Sphere (4). The influence of stray light on the measurement of transmission for determination of soln. concn. is substantially reduced. An aperture (5) is placed between the sample (3) and the inner chamber of the sphere (4). The dia. of the aperture corresponds to that of the laser beam before entering the sample. The aperture may be mounted directly in the wall of the sphere. The laser beam passes through the sample, which is held in a curvette (2), before illuminating the inside of the sphere. The photodetector measures the intensity of illumination inside the sphere.
Patent DE-3025295-A1 (DE)
Title: Offshore plant to ship transport - for men and material by flexible tunnel suspended from crane boom
Inventor: HYSTAD ROLF
IPC: E02B17/00
Filed: 1980-07-04
Abstract: Persons and supplies can be transported between an offshore plant e.g. a stationary or a floating platform, and a ship by attaching to the offshore plant a long flexible tunnel, e.g. 70m long, with entry and exit facilities on both ends. The tunnel is suspended from the boom of an outrigger crane and its far end is fitted with a rope so that it can be hauled on board of a supply ship and one end of the tunnel can be lowered and fixed. The tunnel have have circular or elliptical cross-section. It saves the use of helicopters which have a high accident rate and are an expensive medium for the transport of men and material. In an emergency the tunnel can be lowered to sea level as an escape chute for the personnel.
Patent DE-3030573-A1 (DE)
Title: Hydroxy-3-tert. butylamino-propoxy-acetamido-phenyl oxadiazole - beta-adrenolytic suitable for treating angina pectoris, hypertonia and arrhythmia
Inventor: COHNEN ERICH DIPL CHEM DR
IPC: C07D271/10
Filed: 1980-08-13
Abstract: butylaminopropoxy) -5-acetamidophenyl) -1,3,4-oxadiazole of formula (I) and its physioogically acceptable acid addn. salts are new. (I) has a specific beta adrenolytic and blood pressure lowering effect and can therefore be used to treat angina pectoris, hypertonia and arrhythmia. (I) can be used orally or parenterally. Suitable daily doses are 50-100 mg, pref pref. divided into smaller doses throughout the day. (I) has a very long half-life. In an example (I) was prepd. by heating 3g 2(2-hydroxy-5- acetamidophenyl)-1,3,4-oxadiazole in 30 ml epibromohydrin with 2 drops of piperidine for 12 hrs. at 50 deg.C. After sepg. unreacted starting material, the bromohydrin was distd. off and the residue rubbed with diisopropyl ether. 0.5g 2-(2-(2,3-epoxypropoxy) -5-acetamidophenyl) -1,3,4-oxadiazole of m.pt. 173-175 deg.C were obtd. 0.4 g of this cpd. were stirred for 15 hrs. at 20-25 deg in 30 ml MeOH and 30 ml tert butylamine. The soln. was concd. by evapn. and the residue recrystd. from toluene. 0.5g of (I) of m.pt. 157-160 deg.C were obtd.
Patent DE-3035183-A1 (DE)
Title: Muff for cable joint - is made from two shells and has clamping element formed with film type bracket engaging in slot on other edge
Inventor: GERBER GUENTER DIPL ING
IPC: H02G15/18
Filed: 1980-09-18
Abstract: The muff is for an electrical cable joint and is filled with a sealing compound. It consists of two relatively rigid shells, which are hinge coupled along a longitudinal edge. The shells form a hollow chamber with entry channels at the two longitudinal ends. The free edges overlap and are clamped. The two shells are formed from a single mould. They are joined to form a single unit by a hinge produced by a film. The clamping element (23,24) is also formed by a film type hinge (25) on one of the shells. It engages in a slot (27) along the rim of the other shell.
Patent DE-3035953-A1 (DE)
Title: Variable magnification photocopier with mirror to adjust optical path - has focal planes of different scanning lens positions at set angle
Inventor: KNECHTEL WILHELM
IPC: G03B27/52
Filed: 1980-09-24
Abstract: The single scanning lens (5) is moved along the optical axis to alter the magnification, the axis of the lens being altered so that-in the two positions representing different magnifications- it subtends a slight angle (W). This corrects for scanning errors through the strip scanning. A plane mirror (4) moves in conjunction with the lens to adjust the optical path and ensure correct focus. The two focal planes (14,14') of the two lens positions are in different sites, and angled slightly w.r.t. each other. The optics are designed so that, with insertion of a correction mirror, the scanner can operate on the return stroke to double the throughput rate.
Patent DE-3036251-A1 (DE)
Title: Fluid or gas heat-exchange vessel - is made of sheet-metal pressings clipped and screwed together
Inventor: BUSATIS JUERGEN
IPC: F28F9/14
Filed: 1980-09-26
Abstract: The heat-exchange vessel for fluids and/or gases is assembled from pairs of tubular components (4) and sheet-metal pressings (6,7,16,19,34) secured together either as press-fits, tongue-and-groove joints or flanges. The sealing joints are formed by clips and a small number of screws (29,57). The components can be shaped purely by pressing, with no cutting or swarf removal and secured by folding portions of them over. Where a heavy-duty joint is required, boiler cement can be used in addition.
Patent DE-3036963-A1 (DE)
Title: Sphygmomanometer with optical read-out display - using light source with rotary pointer and fixed scale
Inventor: HATSCHEK RUDOLF A DR PHIL
IPC: A61B5/021
Filed: 1980-09-30
Abstract: The display has a scale, a movable indicator and a light source. This is energised when a measurement is being made to illuminate the area of the scale in which the indicator lies, the illuminated area altering with the movement of the indicator effected by mounting the source itself and/or a focussing system for the output beam on the indicator. Pref. the blood pressure display (51) has a curved scale plate (53) with a rotary pointer (59) fixed at its centre. The scale plate (53) has two scales (53b,53c) marked around concentric circles, expressing the measured blood pressure in different units. The metal pointer (59) is carried by a shaft (57) and carries an LED (35) on its top face near its centre in line with a prism reflector (61) near the end of the pointer (59). The display is designed for easy read-out.
Patent DE-3100009-A1 (DE)
Title: Method and apparatus for producing stoneware pipes
IPC: B28B21/10
Filed: 1981-01-02
Abstract: An apparatus for producing stoneware pipes has a mould which defines the external shape of the pipe to be produced and is subdivided horizontally in the longitudinal direction into two mould halves, a plunger which can be pushed into the mould and whose diameter corresponds to the inside diameter of the mould, and a mandrel which can be moved into the mould in the opposite direction to the plunger and whose diameter corresponds to the inside diameter of the pipe to be produced. With this apparatus, which is shown in Fig. 1, it is possible to produce a complete pipe in a single operation without so-called cross fractures occurring in the process. Furthermore, the invention comprises a method of producing a stoneware pipe with such an apparatus. <IMAGE>
Patent DE-3100231-A1 (DE)
Title: Apparatus for the actuation of closing devices of ventilation systems
Inventor: FRANK KARL
IPC: F24F13/15
Filed: 1981-01-07
Abstract: In an apparatus for the actuation of closing devices of ventilation systems, in which the actuating stroke is generated by a bimetallic strip (20) and by a heating element heating the latter, a cold-conductor element (26) is used as a heating element. As a result, it is possible, at the start of actuation, to apply a high heating capacity which leads to a rapid response, even in the thick bimetallic strips necessary for high actuating forces. The self-regulating property of the cold-conductor element prevents overheating. <IMAGE>
Patent DE-3103420-A1 (DE)
Title: Drum-type abrasive-blasting machine for abrasive-blasting workpieces of the same size or different sizes
Inventor: MOELDERS JOHANN
IPC: B24C3/26
Filed: 1981-02-02
Abstract: The invention relates to a drum-type abrasive-blasting machine for abrasive-blasting workpieces. The latter are introduced into one end-side opening of the drum, are transported through the interior of the drum, being tipped up and over and blasted with abrasive in the process, and are withdrawn out of the other end-side opening of the drum. The drum is enclosed by annular carriers which are located on driven carrier rollers of blind-type slats which are articulated, by one longitudinal edge and such that they can pivot inwards, on the annular carriers of the drum casing. The slats rest, with the free, other longitudinal edge, on the articulated longitudinal edge of the neighbouring slat. The abrasive-blasting apparatuses are arranged above an opening which is formed, between neighbouring slats which pivot downwards when the drum rotates, in the upper portion of the rotational path of the drum casing. <IMAGE>
Patent DE-3111123-A1 (DE)
Title: Ink feed system for ink jet printers
Inventor: OSAKI MIKIO
IPC: F15B1/04
Filed: 1981-03-20
Abstract: An ink feed system for ink jet printers comprises a constant feed pump (10) and a pressure accumulator (12) which compensates a ripple or pulsation of the pump pressure. In order to maintain a constant pressure in the pressure accumulator (12) independently of the ambient temperature, a temperature compensation system is provided. The temperature compensation system comprises a bimetal (40) which acts on an elastic component in the pressure accumulator or a temperature-dependent magnet system (46, 50) which acts in the same way. The pressure setting takes place constantly and also when the printer is switched off. <IMAGE>
Patent DE-3115841-A1 (DE)
Title: Pressure-relief chamber for wet dust-extraction devices
Inventor: RASCH WERNER
IPC: B24B55/06
Filed: 1981-04-21
Abstract: A pressure-relief chamber for attachment to dust-collecting containers of wet dust-extraction devices for floor stand grinders comprises an elongate housing, in the side walls of which there are provided openings for the sealed introduction of the discharges of the dust-collecting containers. The housing is, at the bottom, open towards an outlet and is releasably closed, at one end, by a cover which reaches the base and, at the other end, by a cover which reaches the upper border of the outlet, with the result that, if appropriate, a plurality of units can be connected to one another. On the upper side, the housing bears an air-extraction hood which is assigned to a plurality of floor stand grinders and has an air-extraction tube. Between the discharges of neighbouring dust-collecting containers there is provided, in the housing, an angle with a flow-guideplate. The air stream, generated in the dust-collecting containers and carrying along spraying liquid and grinding dust, enters the housing through the discharge and leaves the housing through the air-extraction tube, whereas the spraying liquid, together with the grinding dust, is guided away through the outlet. <IMAGE>
Patent DE-3117358-A1 (DE)
Title: Agent and process for cleaning and rehydrophilising offset printing plates
Inventor: USBECK GERHARD DR
IPC: B41N3/08
Filed: 1981-05-02
Abstract: The invention relates to an agent for cleaning and rehydrophilising offset printing plates. It contains a) a silicate, b) water, c) at least one dispersion auxiliary and/or at least one surface-active compound different thereto, and d) at least one organic solvent from the group consisting of aliphatic, cycloaliphatic and aromatic hydrocarbons. The proportions of the components in this agent are, in particular, a) from 0.5 to 20 parts by weight of silicate, b) from 40 to 120 parts by weight of water, c) from 0.2 to 10 parts by weight of dispersion auxiliary and/or from 0.02 to 8 parts by weight of surface-active compound, and d) from 5 to 40 parts by weight of organic solvent. The invention furthermore relates to a process for cleaning and rehydrophilising using this agent.
Patent DE-3125499-A1 (DE)
Inventor: WERNER FRIEDRICH
IPC: F16L11/16
Filed: 1981-06-29
Abstract: The invention relates to a flexible hose formed of a wound web material and having its walls reinforced by wire windings, with the edges of successive web windings overlapping one another. In accordance with the invention, the longitudinal axes (Da) of the wires (13, 13', 13'') and the longitudinal axis (ba) of the web material (3) extend at equal inclination with respect to the hose axis (A), and the reinforcement consists of at least two wire windings.
Patent DE-3128220-A1 (DE)
Title: Electrical stepping motor having a rotor which consists of permanent-magnet material
Inventor: PETERSEIL HARTGER DIPL ING
IPC: H02K1/27
Filed: 1981-07-16
Abstract: An electrical stepping motor is described which has a rotor (which consists of permanent-magnet material and has pole pairs) and an excitation coil (energising coil) which is arranged concentrically with respect to the rotor and whose axial free space (which has a very small cross-section at one end) has a funnel-like expansion in which stator pairs are located which intermesh (interlock) with one another like a comb, are formed form flaps of the stationary iron circuit, and are magnetically connected to one another via the soft-magnetic coil core and coil jacket, and in which expansion, furthermore, the rotor is virtually completely held by the excitation winding, and in the case of which the rotor is preferably configured on the side facing the stator pole pairs to form a zone of a rotation ellipsoid, and the flaps (which are opposite the rotor pole pairs and form the stator pole pairs) are bent away in a surface (which runs parallel to the outer surface of the rotor) of the relevant end of the excitation coil. The described arrangement results in an extremely favourable response sensitivity with minimal use of material and optimal utilisation of the structural volume, and hence in a very small overall structural size (physical size) of the stepping motor.
Patent DE-3131834-A1 (DE)
Title: Crockery washing shower head
Inventor: KARPF WALTER
IPC: A47L17/00
Filed: 1981-08-12
Abstract: The supply tube (2) of the shower head can be connected at one end to a flexible hose by a threaded bush (1) and is surrounded by a plastic gripping shell (3). The other end of the supply tube (2) is widened (2a) and attached to a valve housing (7) with a valve installed coaxially with the supply tube. Guided in a cage (10) installed in the feed-tube widening (2a) is the valve piston (11) which is spring-loaded in the closure direction and whose sealing plate (14) is inserted in an axially projecting piston collar (11b). The piston collar (11b), which in the final closing phase engages over the valve seat (8) with radial play, acts as a preliminary throttle. The valve piston (11) is connected to the neck (17a) of the shower head (17), said neck being guided axially displaceably in the valve housing (7), so as to be axially adjustable via the threaded shaft (12b) of a valve spindle (12). Mounted on the housing (7) are fork arms (21b) of the hand lever (21) which is pivotable to a limited extent in an axial plane. The fork arms (21b) guided on both sides past the neck (17a) of the shower head (17) act on the valve piston (11), connected to the shower head (17) via the spindle (12), via edges (20) on the outside of the neck (17a) lying on a common diameter. <IMAGE>
Patent DE-3136755-A1 (DE)
Title: Apparatus for receiving cassettes, having a locking mechanism provided with at least one outwardly extendable locking element
Inventor: OHLENDORF HEINZ
IPC: G11B23/023
Filed: 1981-09-16
Abstract: In motor vehicles, the cassettes are usually kept in a cassette box which is left in the centre console. In order that the cassette box remains in place during the journey, there is provided on the cassette box a locking mechanism which engages in the side wall of the console. The apparatus according to the invention comprises a box-shaped container which is open on one side and into which individual cassettes or a cassette box can be inserted. On the longitudinal sides, the container is provided in the base region with outwardly extendable locking elements which are connected by means of swivel connections to a slide which can move in the longitudinal direction of the container. In the locked position, the slide is fixed in a catch connection on the container, making unlocking possible only by means of a tool, so that the cassette box is secured against unauthorised removal. <IMAGE>
Patent DE-3141389-A1 (DE)
Title: Monitoring device for refrigerators and freezers
Inventor: BURGER DIETHARD DIPL ING
IPC: F25D29/00
Filed: 1981-10-17
Abstract: In order to prevent malfunctions in the refrigerating circuit as a result of the failure of a conventionally used electromechanical controller, on interruption of the actuating signal generated by the controller, a timer is triggered, which can be reset depending upon the actuating signal and which generates a control signal after an adjustable delay time has elapsed. As a result, continuous operation of the motor compressor arranged in the refrigerating circuit is initiated, which is signalled as a malfunction by an optical and/or acoustic indication. <IMAGE>
Patent DE-3143600-A1 (DE)
Title: Liquid discharge device
Inventor: OSHIKUBO YUJI
IPC: B05B11/00
Filed: 1981-11-03
Abstract: A liquid discharge device having a plunger pump which comprises a plunger and a cylinder with an inlet and an outlet valve in order to take in and discharge liquid from a liquid container. An inner sleeve is attached to a plunger head of the plunger and an outer sleeve is attached to the cylinder to form a double layer surrounding the plunger pump. A pointer with an indicating apparatus can be moved along a longitudinal groove in the outer sleeve, the indicating apparatus interacting with a scale on the inner sleeve and likewise with a stop at the lowest end of the inner sleeve in order to limit the upward movement of the inner sleeve. The lower end of the plunger head touches the upper end of the outer sleeve in order to limit the downward movement of the plunger. <IMAGE>
Patent DE-3145018-A1 (DE)
Title: Grip for a needle for treatment of a tooth root canal
Inventor: SCHNEIDER HANS KLAUS
IPC: A61C5/44
Filed: 1981-11-12
Abstract: The grip for a needle (1) for treatment of a tooth root canal provided with an approximately right-angled terminal bend (25) has an essentially cylindrical grip body (9), a needle insertion slot extending along an axial generating line and a plurality of anchoring recesses (23) angularly offset relative to each other in the axial direction and at right angles to the slot plane extending from the central hollow cavity (5) of the grip body (9) receiving the treatment needle (1) for accomodation of the terminal bend (25) of the treatment needle (1). The needle insertion slot can be closed with a cap (11) which can be pushed onto the grip body (9) and surrounds the treatment needle (1). An insertion orifice (27) open in the opening direction of the anchoring recesses (23) extends from that side of the needle insertion slot which is diametrally opposite the anchoring recesses (23) and extends over the radial depths of the needle insertion slot. By choosing the anchoring recess (23) the free working length of the treatment needle (1) which projects beyond the grip (7) can be adjusted. The insertion orifice (27) permits problem-free insertion of the terminal bend (25) into the selected anchoring recess (23). The treatment needle (1) which projects radially on insertion of the terminal bend (25) is then folded over into the needle insertion slot, whereupon the latter is closed by pushing on the cap (11). A disc-shaped safety gag (41) is mounted on the end of the grip body (9) which is remote from the needle tip by means of a cord-like flexible web (43). The web (43) extends centrically from the grip body (9). <IMAGE>
Patent DE-3205850-A1 (DE)
Title: Circuit for generating a timing signal derived from the mains frequency in a three-phase power system
Inventor: FUCHS PAUL
IPC: G06F11/16
Filed: 1982-02-18
Abstract: There is a rectifier and pulse shaper circuit (4) for each phase (R, S, T). A monitoring circuit (7) detects the failure of individual phases and switches a pulse sequence, derived from a phase which has not failed, into a frequency divider circuit (11). The monitoring circuit consists of two EXOR gates, D-type flip flops connected to their output, AND gates connected to the outputs of the flip flops and an OR gate combining their outputs. The frequency divider circuit (11) is fixed or controlled by a crystal oscillator and can be synchronised to the mains frequency or programmed. <IMAGE>
Patent DE-3213400-A1 (DE)
Title: Coin-operated gambling machine with a symbol game and a risk game device
Inventor: GAUSELMANN PAUL
IPC: G07F17/32
Filed: 1982-04-10
Abstract: The entitlement for the risk game is provided by winnings obtained from the game devices (1, 7). Pressing a risk key (8) activates a random number generator (9) of the risk game device (7) which decides on increase or decrease of the stake, that is to say of the winnings already achieved. A central control and signal processing device (4) automatically activates the random number generator (9) when the risk key (8) is not pressed, and the result of this non-active risk game decision can be displayed on a display element (12), so that the player is informed about the result of the unclaimed risk game. <IMAGE>