baber/WOPTO huggingface dataset:
Patent DE-2420462-A1 (DE)
Title: Gas blast cct. breaker - has gas compression chamber coupled to switching chamber by ports on opposite sides of blast nozzle(s)
Inventor: NOACK DIETER
IPC: H01H33/88
Filed: 1974-04-24
Abstract: The contacts of the gas blast circuit breaker are located in its switching chamber which contains also the blast assembly, consisting of a piston and a cylinder. The blast assembly compresses the quenching gas during switching off and blows out the light arc by a quenching stream at the time of the contact separation. The compression chamber of the device is connected to the gas space of the switching chamber via apertures, when the contacts are in the make position. The apertures are automatically blocked at the beginning of the breaking process. The apertures are provided on the opposite sides of the blast device, in the effective direction of gravity, and near the stationary part of the blasting device. Preferably the blast device cylinder is movable and pulled over a relatively stationary piston.
Patent DE-2421693-A1 (DE)
Title: Ambulance with separate patient's compartment - has increased air exchange and disinfection of air prior to entering atmosphere
Inventor: RAPPOLD EUGEN DIPL ING
IPC: A61G3/00
Filed: 1974-05-04
Abstract: Ambulance comprises a driver's cab, and a separate patient's compartment including an air inlet germ filler and an air suction pipe which is connected to the engine via a pipe opening out behind the engine air filter, so that air is disinfected by passing through the engine itself before entering the atmosphere. The heat of the engine is used to kill the harmful germs. The drawing also shows in the air inlet germ filter a filter insert which is mounted in a disinfecting fluid circuit comprising a receptacle containing formalin, a pump, and a drain pipe for returning formalin to the receptacle.
Patent DE-2433394-A1 (DE)
Title: Controlling speed of textile yarns - measuring potential of ceramic surface over which yarns are moving in frictional contact with
Inventor: WALTERS KENNETH JOHNSTONE
IPC: B65H63/032
Filed: 1974-07-11
Abstract: Rate of motion of yarns made from electrically non-conductive materials is measured by passing the yarns in frictional contact with a ceramic surface and measuring the electric potential generated on the surface. Used for monitoring speed for breaking of yarns made from synthetic or natural fibres.
Patent DE-2435857-A1 (DE)
Title: T.V. receiver line standard adjustment device - switches to different standard by tuning of oscillating ccts.
Inventor: HATZFELD HANS GUENTER DIPL ING
IPC: H04N5/46
Filed: 1974-07-25
Abstract: The line standard switching over device comprises switching diodes (15, 16...e through which tuning reactances (25, 26...) are connected to individual oscillating circuits (3, 9 ...) for their tuning. The connecting leads between the reactances and the resonant circuits can be in the form of transforming lines. At least one reactance is separately switched by a further diode. The switching diodes are controlled by voltages becoming operative when a signal with a different standard is received. The diodes and reactances are combined in a unit, which can be added later. The demodulated video signals are conducted to a filter (6) for correction of the carrier curve.
Patent DE-2436501-A1 (DE)
Title: Fine boring tool for close tolerance bores - has tool carried in rectangular bar and centralised by sprung wedge in vee cutout
Inventor: DOEGE ULRICH
IPC: B23B29/034
Filed: 1974-07-29
Abstract: The fine boring tool holder consists of a bar of rectangular section in each end of which a cutter is secured with grub screws. A 'V' notch is machined in the centre of its top face. The 'V' shaped end of a spring loaded restraining pin mounted in the tool shaft protrudes into this 'V' notch. The amount of penetration of the pin into the 'V' notch is controlled by a screw, the end of which lies against one of the faces of a V groove in the pin. The boring tool holder will centralise itself in the hole being drilled. The to and fro movement will compensate for out of true running of the bore spindle.
Patent DE-2437373-A1 (DE)
Title: Human head model for acoustic recording - has microphones in ears connected by simulated eustachian tube and nasal cavity to nose
Inventor: HAASE JOST
IPC: H04R5/027
Filed: 1974-08-02
Abstract: The human head model is intended for acoustic recording systems and is used to give the listener the impression that he is in the recording studio or room himself by simulating as exactly as possible the acoustic properties of the human head. Each of the model head ears has a microphone (4) whose rear is connected via an air channel (6) to the model head nose. This air channel is constructed to resemble the Eustachian tube and nasal cavity of live humans. The outer part (3) of the microphone sound duct corresponding to the middle ear is lined with attenuating material along its side walls.
Patent DE-2444069-A1 (DE)
Title: Small bandwidth TV signal - is subjected to method for improvement of its reproduction at receiving end
Inventor: WENDT HARTMUT DIPL ING
IPC: H04N7/12
Filed: 1974-09-14
Abstract: Line signals are continuously stored in a buffer store, and read out at about twice the speed, thus being about twice compressed in time; the gap so created is filled by a further compressed line signal. Two line signals are available for the gap filling, the first of which is obtained by compression of the corresponding intermediate line in the preceding field, while the second is obtained by interpolation between two adjacent lines of the actual field, with subsequent compression; in absence of movement in the area the first of the two lines is incorporated, and in case of movement the second is used.
Patent DE-2446942-A1 (DE)
Title: Tubbings erector for tunnels and roadways - with head central on yoke hinged to spindle hoists spaced by erector ring
Inventor: SOLIMAN MUSTAFA
IPC: E21D11/40
Filed: 1974-10-02
Abstract: Tunnel or mine roadway tubbings erector comprises a head member which travels radially on the erector ring way and can be moved radially by hoist. The head member (13) is mounted centrally on a yoke assembly (16) hinged both sides to rack or threaded spindles which can be driven in enforced synchronism through a shared shaft (30). The rack or spindles should each form a guide rod travelling in a guide (22, 23) provided within the erector ring unit (10). The joints (19, 20) between yoke and spindles should be mutually spaced by one outside diameter of the erector ring way (10), one joint forming a slot and bolt connection with the rigidly constructed yoke.
Patent DE-2455252-A1 (DE)
Title: Liquid-cooled transformer, inductor or HV bushing - is fitted with protective device monitoring and signalling gas formation
Inventor: ROSENTHAL WALTER
IPC: H02H5/08
Filed: 1974-11-22
Abstract: The apparatus has a chamber built in the connecting pipe to the expansion tank for the cooling liquid. A voltage divider permanently connected to the voltage and to an electronic amplifier is used for fault detection; the voltage divider one arm consists of an NTC resistor (RH) at the top of the above chamber (5), and the other arm consists of a PTC resistor outside the chamber; the voltage divider tapping (b) voltage is applied through a Zener diode to the base of an input transistor in the amplifier; liquid which normally completely fills the chamber absorbs heat generated in the NTC resistor, so that when the liquid is displaced by gas bubbles, the resistor temperature abruptly rises.
Patent DE-2455647-A1 (DE)
Title: Video disc player - has play-back probe spring-mounted on carriage movable along two parallel bars
Inventor: WESTPHAL KLAUS ING GRAD
IPC: G11B3/32
Filed: 1974-11-25
Abstract: The surface of the video disc is contacted by a play-back probe (20) which is spring-mounted on a carriage (15), running along two parallel bars (13, 14) supported from the chassis of the player, and pivoted about an axis parallel to one of the bars to bring the probe (20) into contact with the surface of the disc (19). One of the bars (13) extends between an edge (29) of the carriage (15) and the end (28) of an arm (24) which is pivoted to the carriage (15) by spring means. The pivoting the carriage (15) about the other bar (14) an adjustable rod (31, 32) acts on the carriage (15). Pref. the two rods (13, 14) have a circular cross-section, with the first bar (13) being able to pivot about an eccentric axis.
Patent DE-2455671-A1 (DE)
Title: Continuous press for chipboard, laminated board etc - applying high pressure to material while continuously conveying it through press
Inventor: KEATON CLYDE D
IPC: B30B5/06
Filed: 1974-11-25
Abstract: Press comprises two work tables on each of which are rotatably mounted several cam guides and two sets of rails with the rails in each set mounted side by side on the different cam guides. The two sets of rails point towards each other and are spaced apart to receive a workpiece between them. Rotation of the cam guides causes rotation of the rails in a plane parallel to the direction in which they point, one set moving clockwise and the other anti-clockwise. A first rail in the first set moves in phase opposition to a first rail in the second set; a second rail in the first set and a second rail in the second set move in angularly shifted phase relationship to a first rail in the first set and a first rail in the second set respectively.
Patent DE-2455711-A1 (DE)
Title: Concrete wall parallel reinforcing mesh spacer - with channel plastic retainers with axial projections and notch cutouts
IPC: E04C5/16
Filed: 1974-11-25
Abstract: The interval-retaining device is for use with reinforcing meshes in concrete walls, set in parallel planes, and comprises a partially profiled bar made of strip material, with its ends fitting against the formwork on both sides, and with a troughed bulge running across to form a retainer at an interval from each of these, to be covered by parts of the strip material. These retainers consist of separate plastic pieces (2), U-shaped in longitudinal section, each with a finger axial projection (4) on one arm (3), and slots (5, 8) on the open ends of both arms (3, 7), to accommodate the ends (u) of the bar (1). At the ends of the bar there are locking lugs (15, 16) projecting from the plane of the strip material to engage in these cutouts.
Patent DE-2456941-A1 (DE)
Title: Staple fibre cutting process - uses cutting blade drawn slowly across cable axis to reduce pressures and wear
Inventor: FOURNE FRANZ
IPC: D01G1/04
Filed: 1974-12-02
Abstract: Strands and cables of synthetic filaments are cut into staple fibres and other lengths using a rotary cutting wheel. A cutting blade is located under the cable strand, located coaxially and ranging outwards, moved across the filament axis so that the wound cable strand is cut. As a defined cutting length of the blade is passed slowly across the filament axis, the pressure required is reduced so that the fibres can be cut cleanly and without distortion and without blunting the cutting edge excessively.
Patent DE-2459702-A1 (DE)
Title: Dry cascade developing stage for photoelectric copier - has two coupled paddle wheels rotating between guide panels
Inventor: MUELLER FRANK
IPC: G03G15/08
Filed: 1974-12-17
Abstract: The two coupled paddle wheels rotate partly immersed in developer at equal speed and in the same direction as the photoreceptor drum. The guide panels have a hyperbolic shape and end a short distance from the drum surface. The gap between the front wheel and the nearest guide panel at spindle height is slightly greater than the dia. of developer particles. The second wheel prevents accumulation of developer and enhances even development.
Patent DE-2462507-A1 (DE)
Title: Ski binding heel holder
IPC: A63C9/081
Filed: 1974-12-23
Abstract: No further information has been published for this application.
Patent DE-2511954-A1 (DE)
Title: Controlling warp boom speed - by selecting the conus angle and length of warp to control speed giving const tension
Inventor: KOSLOWSKI GERHARD
IPC: D02H3/00
Filed: 1975-03-19
Abstract: Warp boom speed in a conical warp machine is controlled such that the value of the conus setting angle and the length of the warp feed are used for controlling the rotary speed of the boom at which speed the warp can be fed at uniform and constant tension. Pref. the values used in controlling the speed are converted into electric signals and compared continuously with a predetermined value corresponding to a preselected tension value.
Patent DE-2514882-A1 (DE)
Title: Interchangeable tool mount for machine tools - uses throw away tip mounted on holder by crank arm pressed down by screw
Inventor: DORMEHL ERICH
IPC: B23B27/00
Filed: 1975-04-05
Abstract: The tool mounting arrangement is especially used for lathes. It consists of a main tool holder (1) on which a diamond shaped tool mount (3) is clamped. One pointed end of the diamond shaped mount fits into a 'V' shaped cut-out in the main tool holder. It is jammed into the V cut-out by means of an L shaped lever (5). One end of this lever fits into a hole in the tool mount, while a screw (6) acts against the end of the lever and jams the tool mount in position. On the other pointed end of the diamond shaped mount, a throw-away tool bit (4) is clamped by means of a screw.
Patent DE-2525039-A1 (DE)
Title: Winding appliance for rubber strips - uses two synchronized control drums with opposite idling gear
Inventor: PETERS ROLF
IPC: B65H41/00
Filed: 1975-06-05
Abstract: The appliance is for the winding of strips of a rubber mixture, or coated cord sheets, into, or out of backing strips. It consists of several motor-driven drums. Two control drums are simultaneously driven by a motor in the same direction. Each drum has an idling gear, acting in the opposite direction. A storage drum engages on each control drum via spring pressure or gravity, and is driven by friction. A backing strip runs from one storage drum to the other, being guided over both control drums. The storage drums are fastened on one side to pivoted arms, which are at a small angle to the vertical via. The design ensures a uniform operating speed, and wear and tear is reduced in comparison with prior art systems.
Patent DE-2533657-A1 (DE)
Title: Underground gasification of superimposed coal seams in sequence - by restricting gas supply to individual seams
Inventor: WENZEL WERNER PROF DR ING
IPC: E21B43/243
Filed: 1975-07-28
Abstract: In situe gasification of multiple, relatively thin coal seams sepd. by several metres of rock comprises blowing in an oxidising or hydrating gasifying agent through a borehole into one or a few seams at time, while the other seams are sealed off. The remaining seams are gasified in turn, after gasification of the first seams is substantially complete. Each seam or group of seams is gasified as quickly as possible, so that escape of heat from the seam into the adjacent rock layers is minimised, and its contribution to the endothermic gasification reation is increased.
Patent DE-2537000-A1 (DE)
Title: Fire fighting device for cars - uses endless tube placed inside spare tyre for storing fire extinguishing agent
IPC: A62C3/07
Filed: 1975-08-20
Abstract: The fire fighting equipment for use on cars stores the extinguishing agent in an endless tube placed inside the spare tyre. The endless tube (9) is fitted around the wheel rim (7) underneath the tyre edges. The inside dia. of the storage tube reaches up to the outside dia. of the wheel rim. The stored extinguishing agent occupies only a part of the air space of the tyre. The inside surface of the storage tube is provided with three parallel spaces formed by ribs from which lateral partitions run, creating partial storing spaces which communicate with the central longitudinal space via openings in ribs.
Patent DE-2537716-A1 (DE)
Title: Two piece plastics fastener for flush surface connection - is cylindrical threaded boss and socket with apertured disc ends
Inventor: WAGNER EDMUND
IPC: F16B5/02
Filed: 1975-08-23
Abstract: The two-piece plastics fastener can be used for flush connection between flat surfaces to be joined. One piece (1) consists of a cylindrical hollow plug with a disc at one end. It is externally threaded (3) and can be screwed into the other mating socket section (2) which is also cylindrical with a disc at one end, and a chamfer at the open end. Both end discs have a central hole (4) through which the shank of a screw fastener is inserted. The discs retain the screw heads, which are accommodated in the hollow interior of the mating sections. A recess can hold the two sections when screwed together, allowing flush attachment.
Patent DE-2548286-A1 (DE)
Title: Solvent extraction of liquid-liquid mixts - using agitation in mixing zone defined by perforate packing
Inventor: DAVIES GRAHAM ARTHUR
IPC: B01D11/04
Filed: 1975-10-29
Abstract: Solvent extraction of a liq./liq. mixture to separate it into its liq. components comprises continuously feeding the mixture and a solvent for one of the liq. components to a mixing zone defined by a droplet coalescence enhancing perforate packing having a labyrinth formation of interstitial passages between an entry and exit face of the packing. The mixture and solvent is agitated in the mixing zone to form a dispersion, of which one phase is a soln. of the soluble component liq. in the solvent, and to cause the dispersion to escape from the mixing zone through the packing to effect coalescence of the dispersed phase and sepn. of the phases by gravitational migration at the exit side of the packing. The soluble liq. component is then recovered from the soln. The rate of throughput is increased thereby reducing the solvent inventory.
Patent DE-2551084-A1 (DE)
Title: Fabric treatment equipment - has a pressure control unit to modify drives to deflecting rollers to control fabric tension
IPC: D06B3/36
Filed: 1975-11-14
Abstract: An appts. is used for the continuous treatment of continuous textile material, in fabric or strand form, where it follows a serpentine path between rollers in the treatment zone. To control the tension applied to the material by the deflecting rollers, a pneumatic cylinder, or the pneumatic line to the cylinder, is connected to a pressure valve with a linkage to the deflecting rollers to drive them according to the pressure valve. The system compensates for the differences in tension applied to the fabric from roller to roller because of the nature of the process and the fabric shrinking, or the amt of fluid drag on the material.
Patent DE-2552290-A1 (DE)
Title: Amplitude ratio of two sinusoidal voltages - is found for two voltages of different frequencies in a multiple frequency signal
Inventor: BESSARD JACQUES
IPC: H04Q1/453
Filed: 1975-11-21
Abstract: The system relates to the control of the amplitudes A1 and A2 of two sinusoidal voltages at frequencies F1 and F2, where f1 and f2 not mutually divisible. No term is unity and the sum of terms is at least five. Both voltages are applied to a limiter whose limited amplitude is smaller than one tenth of the sum of voltage amplitudes. The limiter output signal is filtered, so that at least one of the oscillations, f1 and f2 is separated from the output signal. The separated signal amplitude is measured. In an experimental arrangement two generators (1, 2) for the frequencies f1 and f2 combine the functions in a localiser (3) whence it splits into two peters (4, 41) and level detectors (5, 51).
Patent DE-2553255-A1 (DE)
Title: Rapid removal split nut - has nut split axially, joined by hinge at one side and held by sliding fit ring
Inventor: FREY HELMUT
IPC: F16B37/08
Filed: 1975-11-27
Abstract: The nut (1) is split in two halves along a plane in which the centreline of the nut lies. The nut is provided with a cylindrical shoulder (3), at the end which faces the part to be clamped. A hinge plate (10) holds the two halves together. A ring (6) fits round the cylindrical shoulder and holds the two halves of the nut together while it is being tightened. As the nut is split, it is only necessary to unscrew it until the ring can be slipped off, after this, the nut can be hinged open and removed.
Patent DE-2602822-A1 (DE)
Title: Flow production press for intermediate materials - works uninterruptedly delivering resin bonded cellulose building components
Inventor: KLEE OTTO GOTTFRIED ING GRAD
IPC: B30B11/26
Filed: 1976-01-26
Abstract: Building elements and timber substitutes are produced from resin-bonded cellulosic materials such as wood chips, oil seed residues, reeds and esp. straw. Initially the press piston encounters no resistance. When the finished product flowing away is breaed a counter pressure develops, and this is altered as required to produce dense or low density materials of any desired specific gravity. Compared to the output of a ten stage hot and cold platen press requiring 8-10 men to operate it, the prodn. of the continuous flow press with two men is >= 1.65 times better, and more economical of heat energy.
Patent DE-2604646-A1 (DE)
Title: Electromagnetic plate clutch with energising coil - has armature disc made of two parts separated by diamagnetic or paramagnetic material
Inventor: DEEG REINHARD
IPC: F16D27/14
Filed: 1976-02-06
Abstract: The electromagnetic plate clutch is for low power transmission but at rapid switching sequences. It has a magnetic body which is magnetised by an energising coil and an armature disc whose magnetic circuit is broken by an air gap running concentrically to the rotational axis. The armature disc (8) is made of two parts (9, 10) separated by a gap which is filled by a diamagnetic or paramagnetic material which couples the parts together. The construction is manufactured by galvanic or vapour deposition of the material on the facing surfaces of the parts which are then fitted together and coupled either by a press fit or by the use of a diamagnetic or paramagnetic solder.
Patent DE-2606184-A1 (DE)
Title: Locking plate held on door frame - has snap fitting to prevent locking of inadvertently closed door
Inventor: KAEDING JUERGEN
IPC: E05B17/00
Filed: 1976-02-17
Abstract: The locking plate of angle profiles is fastened on a door frame. The plate has an opening on the frame inner side for accommodating the catch of a lock on a door. The lock can be e.g. a mortice lock. A snap element is fitted into the path of the catch. This locking plate ensures that the door which is inadvertently locked by itself can be directly opened from outside without key. The snap element (31) can be rotated from its rest position parallel to the frame outside face into the frame opening (23) connected with the locking plate openings (19). This snap element can be automatically returned into its rest position in which it rests preferably on the locking plate. The snap element (31) is a plate made from sheet metal.
Patent DE-2614257-A1 (DE)
Title: Stable concentrates of dispersion dyes - contg. sulphate semi-esters or sulpho-propionate esters of alkylene oxide adducts
Inventor: BAUR RICHARD DIPL CHEM DR
IPC: D06L4/664
Filed: 1976-04-02
Abstract: Dispersion dye prepns. contain (a) 5-40 wt. % one or more finely-divided dispersion dyes or optical brighteners, (b) 5-40 wt. % water-soluble surfactant from reaction of (i) ethylene oxide adducts of polyether diols made by polymerisation of butylene oxide T.H.F. or hexamethylene oxide in presence of acid or alkali, or (ii) adducts of ethylene oxide and propylene oxide on 2-10C diols, polyols and/or bis-(hydroxy cyclohexyl)methane or derivs., with 0.2-1 mol. chlorosulphonic acid, SO3 or sulpho-propionic anhydride per mol OH and subsequent neutralisation, (c) 5-30% usual anionic dispersant, and (d) 40-85% water opt. mixed with a water retention agent, or 10-90% (c) with no (d), and (e) opt. other usual additives. Used for dyeing or brightening of textiles contg. synthetic fibres, esp. wound yarns, e.g. cheeses, of cellulose ester or linear polyester fibres. The dispersions are stable and unchanged after prolonged storage at room temp. or many days at 60 degrees C. They are easily dispersed in water by stirring, and after long heating of dye baths at 110-140 degrees C, no dye flocculation or filtering of dye in outer yarn layers occurs.