baber/WOPTO huggingface dataset:
Patent DE-2729571-A1 (DE)
Title: Gas insulated electrical switchboard - has gas insulated bus bar chamber and switch housing
Inventor: HOLLMANN FIRTZ
IPC: H02B13/035
Filed: 1977-06-30
Abstract: The switchboard contains several multiphase medium voltages switches connected to a common busbar. Each switch has a housing (1) which is filled with an insulating gas. Gas sealed bushings (25) are fitted to the housing (1) so as to provide input and output connections. Load breaking contacts (15, 17) have their contact breaking parts enclosed in gas sealed pressurised arc extinction chambers. The moving contact elements (17) are connected to a mechanism (20, 20') connected to exterior gas sealed control handles (2, 3). The busbars are enclosed in a gas sealed housing (5). The interior of the housing connects with interior connection cells through openings in the housings (1) of the switch units. The busbar housing (5) is attached to the switching housings (1) by seals (13) surrounding the openings.
Patent DE-2730528-A1 (DE)
Title: Treatment of polymer membranes for reverse osmosis - by contact with sulphuric acid, metal salt and di:aldehyde to increase resistance to phenol
Inventor: PETER SIEGFRIED PROF DR
IPC: B01D67/00
Filed: 1977-07-06
Abstract: Prodn. of polymer membranes for reverse osmosis, in the form of films, hollow fibres or tubes, by dissolving in suitable solvent, casing and precipitation, in which the membranes so formed are treated in succession with (A), a NaCl/H2SO4 bath, (B) a polyvalent metal salt, and (C) a soln. contg. a dialdehyde or dicarboxylic acid. Used for removal of small amounts of phenol from effluent waters, e.g. from coal gasification plants. High permeability for water, with resistance to acid and alkaline solns. over the range pH 1-14, and complete resistance against 5% aq. phenol or pyridine solns. over the range 20-80 degrees C. and 50-120 bar.
Patent DE-2739540-A1 (DE)
Title: Tilting metallurgical vessel such as steel-making converter - where barrel is suspended via levers located in spherical pivot bearings
Inventor: BURKHARD WINFRIED
IPC: C21C5/46
Filed: 1977-09-02
Abstract: Two tilting trunnions are fixed to a carrier ring(a), which surrounds the vessel or converter barrel(b) to leave an annular gap(c); and the barrel(b) is suspended in ring(a) by levers(d) mounted between pivot bearings(e). One bearing(e) for each lever(d) is mounted on the ring(a), the other on the barrel(b). Each of one pair of levers(d1) is pref. located on a bearing(e1) on the top of ring(a) on each side of the barrel(b) and near a trunnion, the other end of the two levers(d1) each being located on a bearing(e) on the barrel. A lower pair(d2) of levers has three-point mountings; the resulting suspension unit absorbs tensile, compression, and bending loads. Stable suspension of the barrel (b) is achieved while permitting deformation of the latter during operation, i.e. due to temp. or wt. changes.
Patent DE-2740964-A1 (DE)
Title: Steelworks converters, esp. using oxygen - where water cooled casing produces solid layer of crude iron which protects refractory lining
Inventor: HASSANZADEH MOHAMMAD REZA DR I
IPC: C21C5/42
Filed: 1977-09-12
Abstract: The converter wall is hollow, forming a cavity through which a coolant, e.g. water, flows to cool the refractory inner lining so the latter is covered with a protective layer of crude-iron or -steel. Cavity is pref. divided into individual chambers, each with water inlets and/or outlets, and contg. heat sensors controlling the flow of cooling water. Lining is pref. thinner than in conventional converters; and cooling may be achieved by pressure-less evaporative cooling. The molten iron or steel solidifies on lining to form a layer which increases the working life of the lining, e.g. by shielding the lining from corrosive slag.
Patent DE-2741594-A1 (DE)
Title: Plastics tubing flow regulating clamp - with edge recessed wheel cooperating with ridged surface to prevent side lumen formation
Inventor: ADELBERG MARVIN
IPC: F16K7/06
Filed: 1977-09-15
Abstract: A clamp for regulating flow through plastics tubing, e.g. for i.v. infusion, comprises a body with a longitudinal variable cross-section channel formed in a clamping surface, a roller wheel mounted in the body for movement parallel to the body, and raised areas on the surface to reduce tubing creep, and the tubing being clamped between wheel and surface. Undercut stepped shoulders in opposite wheel edges define recesses of width twice the tubing compressed wall thickness and of height at least twice the width so that tubing sides can migrate into the recesses without forming a side flow lumen when being clamped. The arrangement prevents increase in flow rate on inadvertent stretching of the tubing.
Patent DE-2741718-A1 (DE)
Title: Mortice lock with profiled cylinder - held by clamping screw contacting centering seat in lock
Inventor: HEUCKE KARL-HEINRICH
IPC: E05B9/08
Filed: 1977-09-16
Abstract: The profiled cylinder for a cylinder lock is pressed into the mortice lock profiled hole. Fastening of the cylinder is completed by a screw. A tapped hole is not necessary for fastening purposes and the mortice lock does not need modification. The profile cylinder (1) has centering seat (9) for screw (5) in the box of the mortice lock (2). This cylinder is pushed by the screw (5) against the profiled seat (11) of the lock box (4). Removal of the cylinder lock is prevented by the fact that the screw point is seated in the centering seat.
Patent DE-2743339-A1 (DE)
Title: IC engine fuel injection valve - has ducted valve needle end giving increasing free outflow area through nozzle ducts as needle lift increases
Inventor: KEYLWERT JOHANN DIPL ING
IPC: F02M61/06
Filed: 1977-09-27
Abstract: The fuel injection valve has a needle valve (2) which opens against the direction of flow. Near the valve seat (3) the needle has a cylindrical end (4) with fuel ducts (5) which enters into a blind bore (12) of the injector housing, a number of outlet nozzle ducts (7) extending from this bore. The arrangement is such that, with increasing lift of the needle, the available free flow area through the ducts gradually increases. The ducts (5) may be inclined relative to the needle centre line (6) whilst their outlet orifices (10) are adjacent to a flow-controlling shoulder (8, 9) on the end (4).
Patent DE-2758099-A1 (DE)
Title: Multistage water spray for stone crusher - has water quantity matched to current consumption of motor driving crusher
Inventor: SIGMUND RUDOLF ING GRAD
IPC: B05B12/00
Filed: 1977-12-24
Abstract: The control system is for a multi-state water-spraying system, operating automatically and esp. for dust suppression in stone crushers. On starting up the crusher motor (1) a first spraying stage (2) is cut in via a time delay (5). As motor current consumption increases, two further stagea (3, 4) are cut in by switches (6, 7), actuated by a measurement transformer (9)and a limit value indicator (10). The system matches the water quantity to the quantity of dust generated.
Patent DE-2800243-A1 (DE)
Title: Cleaning wood chips for making wood pulp - removes foreign matter from chips made from old timber
Inventor: ROSENKE UDO DIPL ING
IPC: D21B1/02
Filed: 1978-01-04
Abstract: Paper is often made from wood pulp which has been produced from wood chips made from old or salvaged timber. This old timber is liable to contain foreign matter such as mortar, sand, cement etc. which may damage the pulping machinery. The chips are fed through a chute into a tank of water. The tan is fitted with two impellers in one of the sidewalls which drive the mixt. of water and wood chips around vertical baffles. The clean chips then flow out over the chute.
Patent DE-2801132-A1 (DE)
Title: Underground hole boring system - uses telescopic cylinder for advancing tube injecting liq. and granulate, and extracting excavated material
Inventor: PLATE MANFRED
IPC: E21B19/086
Filed: 1978-01-12
Abstract: The method of drilling holes in coal and rock uses a tube (2) with a jet head at the front, connected to a high pressure pump or compressor (9) at the rear for injecting a working substance. This substance consists of a granulated hard substance such as carborundum or quarz sand injected by high pressure air or water. The material removed by the jets at the discharge head (14) is extracted by a suction unit (12) attached by a line (10) to the region between the tube (2) and the hole formed. Behind the suction unit is a dust remover (13). The injection tube passes through a telescopic advancing cylinder (5) with a clamp (8) at the front, for holding the injection tube (2), and supported on a frame.
Patent DE-2802568-A1 (DE)
Title: Implanted artificial knee joint - has hinged connection between upper and lower parts, with provision for limited axial rotation
Inventor: OMAR-PACHA NABIL DR
IPC: A61F2/38
Filed: 1978-01-21
Abstract: The implanted artificial knee joint has an upper implant member with two stems (8) inserted into the upper bone, supported by two members (1) with curved undersides. Each curved member has an upright (5) on the inside, forming two bearing sleeves for a hinged connection with the lower implant member (6, 9). The latter consists of a sleeve (9) closed at the bottom with a stem (6) fitting into it, with a head (6a) across the top, with a spigot projecting each end, to fit into the bearing sleeves. The stem (6) is oval in section, and the top of the sleeve (9) has a clearance inside, so that the stem(6) can rotate inside through an angle which is between 35 deg. and 40 deg.. This rotation is arranged to suit either a left leg or a right leg.
Patent DE-2807591-A1 (DE)
Title: Magnetically-operated brake for induction motor - has thin cylindrical extension of magnetic material fitting over short-circuiting ring of rotor winding
Inventor: SPAHR PAUL
IPC: H02K7/102
Filed: 1978-02-22
Abstract: The induction motor brake is made of magnetic material and bears against a brake pad of conical form on an end plate. A spring holds the brake on when the motor is deenergised. On the rotor side the brake is stepped back and has a thin cylindrical extension which fits over the short circuiting ring of the rotor winding. The brake is energised by the leakage field between rotor and stator. The clearance between the cylindrical extension and the ring is as small as possible. The thin section helps in preventing any residual flux from holding the brake off.
Patent DE-2808833-A1 (DE)
Title: Foil wiring system for communications racks and housings - consists of specified arrangement of line pairs on multilayer support foils
Inventor: GASSER KURT ING GRAD
IPC: H01B7/08
Filed: 1978-03-01
Abstract: The flowing system comprises numerous symmetric lines on a shared support foil with two or more metal coverings. Every two adjacent line pairs (2, 3, 4) are arranged so that the connections between their conducting paths are at right angles to one another. The line pairs (2) with connections parallel to the support foil (1) are symmetric to the line pairs (3, 4) with connections at right angles to the support foil. The wiring system has several layers (pref. three). A screening line may be located between every two line pairs.
Patent DE-2813344-A1 (DE)
Title: Motor haulage vehicle platform side wall lock - has integral actuating lever with hook and crank for locking
Inventor: MUTHMANN GUENTHER
IPC: E05C3/04
Filed: 1978-03-28
Abstract: The locking bolt is used esp. for vehicle platform hinged walls. The locking hook is actuated by a swivelling actuating lever on a baseplate. The lock is in two parts, with no linear movement carried out. The rotating crank of the actuating lever(16) actuates an integral locking hook(11) which engages with the web forming the hook jaw. The pivoting axis is formed by the brackets (7) connected with the actuating lever.
Patent DE-2816510-A1 (DE)
Title: Suspension system for ceiling lamps - has hook base plate carrying screw connected protection cap enclosing hook
Inventor: SHIEMANN UWE
IPC: F21V21/03
Filed: 1978-04-15
Abstract: The suspension hook is used for a lamp suspended from ceiling. Firm connection of the protection cap with the room ceiling is ensured and the arrangement is readily installed. The baseplate (1) has an opening for the hook (4) which is fastened into the ceiling. The hook has washer (3) for clamping this baseplate. The protection cap (2) enclosing the hook is held on this support plate so that this cap can be released. The connection between the protection cap and the baseplate can be a screw thread or a bayonet lock. The screw thread (8) is on the outside of the baseplate and on the inside of the protection cap.
Patent DE-2823044-A1 (DE)
Title: Bar or tube feeding machine for lathe - uses rollers with pneumatic tyres to reduce noise of handling
Inventor: WITTLER FRITZ
IPC: B23B13/08
Filed: 1978-05-26
Abstract: The main patent describes a method of feeding bar or tube material to a lathe. The tube or bar (2) is gripped between sets of three rollers (4) fitted with rubber or plastics tyres (7). The use of rubber or plastics reduces the noise when handling the material (2). Pneumatic tyres can be used, (7), with the internal pressure varied to suit the cross-section of the bar or tube. High pressure is used with circular cross-sections and lower pressures with hexagonal, square, or irregular cross-sections.
Patent DE-2825653-A1 (DE)
Inventor: HUBER HANSUELI
IPC: H04M9/10
Filed: 1978-06-12
Abstract: In this door intercom system with two centrally disposed amplifier channels, the voice signal levels are monitored. For this purpose, a control signal (Z12, Z13), which in each case activates a single amplifier channel, is obtained from a pre-amplified AF signal. An electronic analog signal switch is provided as a switching element in a central amplifier device (2). As a result of this measure, high gains of up to 60 - 90 dB can be implemented without crosstalk or feedback. In a preferred embodiment, a single loudspeaker (L or L') is provided for each station (TSP or WSP) which is also used in each case as a microphone. Because of the high amplification, perfect intelligibility is guaranteed, interfering ambient noise being largely excluded. By means of a manually operable changeover switch (TA/TB), switchover from duplex to simplex mode can be carried out at the door, for example in extremely noisy conditions. <IMAGE>
Patent DE-2833317-A1 (DE)
Title: Metal strip straightening mechanism at outlet from punch - has two roller sets selectively rotatable around strip travel axis and controlled by contact signals from sensor at bottom of loop
Inventor: BARTH GUENTER
IPC: B65H23/02
Filed: 1978-07-29
Abstract: The strip passes through two pairs of rollers (3, 4) seated in such a way that each pair can perform a limited rotating motion around an axis coaxial with the strip centre line. After leaving the sets of rollers the strip forms a loop (7). At the deepest point of the loop is a deviation sensing device (8) consisting of two contact surfaces at some distance from the edge of the passing strip. If the deviation of the strip edge is so large that it touches one or the other contact surface an electrical signal is generated. The signal is used to adjust the truing rollers (3, 4).
Patent DE-2844556-A1 (DE)
Title: Signal monitoring and interference eliminating circuit - has receiver testing signal pulses and delivering output signal when their width is within limits
Inventor: HUELLWEGEN JOSEF
IPC: H04L1/20
Filed: 1978-10-12
Abstract: Signals are transmitted between a pulse keyed sender transmitter with a certain pulse duration and a receiver with a first testing device delivering a first signal when the width of a received input pulse exceeds a minimum value. The receiver has a second testing device delivering a second signal when the width of the input pulse is below a maximum, and a coincidence circuit delivering an output signal representing the whole or a part of the information when both signals are present at the same time.
Patent DE-2848825-A1 (DE)
Title: Electrical plug connector strip - has row of welded thermoplastic sockets joined at projecting edges and mounting bracket
Inventor: BUECHS HUBERT DIPL ING
IPC: H01R43/00
Filed: 1978-11-10
Abstract: Socket strip has a number of thermoplastic sockets mounted in a row and secured by ultrasonic welding. The joints of several sockets will be welded simultaneously in one process and produce increased stability. The edges of adjacent sockets will be joined by the welds. Each socket mounting section is made with a stem in the direction of the adjacent section at right angles to the axis of the plug pins. There is a second stem at right angles to the first. These two stems are joined by the welding process. The stems are L- or V-shaped. The cross-section of the stem has a regular geometric shape.
Patent DE-2854930-A1 (DE)
Title: Security circuit for seat belts - has inhibit switch cutting out ignition if seat is occupied without fitting belt
Inventor: JUERGENS WALTER DR ING
IPC: B60R22/48
Filed: 1978-12-20
Abstract: The security circuit incorporates switches in the seat belt clasps as well as pressure sensitive switches in the seat squabs. The switches are interlinked to the ignition to inhibit the ignition if the pressure switches are operated without subsequent fitting of the seat belts. The system dispenses with indicators and alarms, which can be ignored. A bypass switch can be fitted so that the vehicle can e.g. be moved in a garage, or with faulty clasps. The bypass switch operates with a magnetic relay and resets after the ignition is turned off.
Patent DE-2856110-A1 (DE)
Title: Coin box telephone cradle springs - has tooth and pawl mechanism which slip gear cam to prevent number tapping from cradle switch
Inventor: BARTH WALTER
IPC: H04M1/667
Filed: 1978-12-23
Abstract: Switch-hook spring set for coin box telephone is designed to prevent tapping telephone numbers using the handset cradle. The operating arm (1) moves up (2) when the handset is removed, and down (3) when replaced. Each movement turns a latch wheel (10) and a shaft (18) coupled cam wheel (15). The latch wheel (10) turns against a pivoted saddle (6) which operates a microswitch (4) when the saddle latches (9) with a tooth (20) on the latch wheel. The spring (4) tensioned over the cam wheel (15) holds the cam wheel in one position. The cam wheel has slotted centre guides (19) for the shafts from the latch wheel (10) and irregularity of movement and delay introduced between operative arm (1) and switching (4) operation prevents a tapping rhythm. A regulator wheel (21) also bears on the switching movement.
Patent DE-2900174-A1 (DE)
Title: Multipurpose car body of variable shape - has hoop members hinged at front and forming roof and rear portion of bodywork
Inventor: ZUR HENRY C
IPC: B60P3/42
Filed: 1979-01-04
Abstract: A variable shape car has the rear section and roof formed by a series of overlapping hoops hinged at the front. These hoops open upwards at the rear to increase the loading space and to turn the car from a saloon shape into an estate car. The hoop sections are sealed against each other by flexible seals. The bottom of the extension is sealed against the chassis by inflatable seals to adapt to the manufacturing tolerances. The vehicle provides access for large loads as well as wheel chair passengers. The variable shape enables one basic vehicle to fulfill various needs.
Patent DE-2903411-A1 (DE)
Title: Automatic road marker for collisions - has pressurised paint can with inertial release
Inventor: HAMANN RUDOLF
IPC: B60R99/00
Filed: 1979-01-30
Abstract: An automatic road marker for a vehicle has a pressurised paint container, with a sealed nozzle directed at the road. The nozzle is broken open by an inertial mass linked to the nozzle seal by tensioning wires so that immediately on impact the paint sprays onto the road and marks the track of the vehicle. The nozzle seal can be glass and the intertial mass is a ring about the nozle for omnidirectional control. The ring is elastic mounted to prevent small vibrations from prematurely releasing the spray.
Patent DE-2907111-A1 (DE)
Title: Lift drum brake releasing mechanism - has pivoted pawl engaging with rope drum brake shell ratchet teeth
Inventor: GRIESSHABER JUERGEN DR ING
IPC: B66B5/04
Filed: 1979-02-23
Abstract: The releasing arrangement is used preferably for lift drum brakes. It ensures safety against inadvertent fall of shelf loader with preloaded brake strap. The pivoted lever (10) has on its free end a pawl hook (12) which engages with ratchet teeth on brake shell (3). The tip (13) of hook points opposite the rope drum rotating direction. An adjustable spring (14) pushes the pawl in contact with ratchet teeth.
Patent DE-2910177-A1 (DE)
Title: Carbon di:oxide gas laser - has tube with dielectric wall holding high voltage anode and cover guiding cathode tube
Inventor: HAENSEL KLAUS ING GRAD
IPC: H01S3/03
Filed: 1979-03-15
Abstract: The gas laser consists of a high-voltage anode (4) split into several parts and supported by the dielectric wall (2) which guides the gas stream. The carbon dioxide gas is fed through ports (5,6) of the tube 1 whose end covers hold the water cooled cathode tube. The gas is circulated by a pump with connections provided by bellows. Mirrors control the beam outside the anode elements. The small size of the electrically excited carbon dioxide laser is achieved by the use of separate component groups which include the electrodes and supply leads. This promotes easy stripping and replacement for repairs.
Patent DE-2910698-A1 (DE)
Title: Vibration motor with multistage concentrator for recorder - has one stage connected to piezoelectric cell and other to rotor
Inventor: VASILJEV PETR EGOROVITSCH
IPC: H02N2/16
Filed: 1979-03-19
Abstract: A vibration motor is based on a multistage concentrator for torsional vibrations. It can be used in sound recording and reproduction equipment. One stage of the concentrator is in contact with a piezo-electric cell and the other driving stage is in contat with a rotor. The driving stage is designed as a ring-shaped resonator for torsional vibrations. The driving stage (3) has a cone-shaped surface (7), which is in contact with the surface (8) of the rotor (9). A disc (10) presses against the rotor. The first stage (2) of the concentrator is designed as a cylinder with sloping grooves (4), penetrating to a given depth. They transform the longitudinal into torsional vibrations.
Patent DE-2914767-A1 (DE)
Title: Semi-conductor switch with third transistor - provides positive feedback for reversed Darlington pair to reduce control-power consumption
Inventor: TOKUNAGA MICHIO
IPC: H03K17/73
Filed: 1979-04-11
Abstract: The semiconductor switch has a reversed Darlington circuit with at least two complementary transistors (1, 2). A third transistor (3) forms a positive feedback loop with the reversed Darlington circuit. The base and emitter of the third transistor are connected respectively to the collector and base of the reversed Darlington circuit. At least one of the Darlington circuit transistors is switched on and off so that the entire circuit switches on and off. The switch has low on/off control-power consumption, a high breakdown voltage and is easy to realise as an integrated circuit. Six variations on the above basic configuration are available such as the inclusion of diodes, extra transistors and extra resistors.
Patent DE-2917900-A1 (DE)
Title: Hang-glider parachute quick opening device - is reaction driven lifter mounted by chute, activated by ripcord-fired striker in mounting spike
Inventor: DIETL MATHIAS
IPC: B64D17/12
Filed: 1979-05-03
Abstract: The hang-glider parachute quick-opening device is for chutes acting on the central articulation of the glider. A reaction-driven lifter (1) acts automatically or is trigerred by the pilot to deploy the chute (25) and is connected to the apex of the chute. The lifter is mounted upright on a bracket (10) fitted near the articulation-either to the pylon (16), above it, or to the keel tube (20a)-releasably secured to a spike shaped to fit the lifter's (Laval) nozzle. At its inlet this has a valve (pref. ball) opened by a striker inside the spike fired by pulling the ripcord (14) which also tilts the spike so that the lifter clears the rigging.