baber/WOPTO huggingface dataset:
Patent DE-2444959-A1 (DE)
Title: Unwanted transmitter freq. signal amplitudes and harmonics measurement - signal fed to mixing stage via band stop filter
Inventor: PFLUEGER KLAUS
IPC: G01R23/165
Filed: 1974-09-20
Abstract: Basically, the system involves feeding the transmitted signal to a mixing stage via a band stop filter which removes the carrier frequency, with a series of pulses being fed to the other input of the mixer, the pulses being produced at one of a number of frequencies, in sympathy with a calculated input. The effect is to produce a whole spectrum of frequencies, one of which is filtered out using a band pulse chain the entire harmonic spectrum of the carrier can be checked. Neighbouring frequencies are dealt with in a similar, though slightly different, manner using a different impulse generating arrangement. The whole required spectrum can be checked rapidly.
Patent DE-2446418-A1 (DE)
Title: Rear wing support for car - with profiled chassis members on front and inside of wings and with bumper height protection
Inventor: LANGE WOLFGANG ING GRAD
IPC: B62D25/08
Filed: 1974-09-28
Abstract: The side frame members are bent inwards and upwards near the leading edge of the rear wing and run along the inside contour of the wind to brace it against lateral collision impact. The frame members also support the floor of the vehicle, which at the line of the rear wings is set higher than the front section. Reinforcing strips are fitted to the profiled sections and run forward and to the front edge of the wings where the form reinforced shoulders set at the height of car bumpers. This protects the wings from glancing blows in side collisions. The rear wings are thus strengthened without altering the construction of the vehicle greatly.
Patent DE-2449627-A1 (DE)
Title: Heat insulating foil for vacuum chamber wall - is held by slotted tubular anchor clips attached by hooks
Inventor: MERGES VEIT
IPC: F16L59/08
Filed: 1974-10-18
Abstract: Insulating foil for use in vacuum chamber has the heat facing side coated with a ceramic layer. Tubular anchor clips (15) are attached to the chamber wall with hooks (19). The foil is held inside the clip (15) by a hook (18) to which also a further anchor clip (15) can be attached. Thus two or several radially spaced insulating foils can be placed in the vacuum chamber. There is no need for welding the edges of the foils since they are located such that an axial overlap occurs. The foil is stretched in a straight line between the hooks on the curved surface of the chamber wall.
Patent DE-2452398-A1 (DE)
Title: Plastic plug for through hole - has expandible wings on leading end to lock plug axially
Inventor: FISCHER ARTUR
IPC: F16B13/12
Filed: 1974-11-05
Abstract: The plastic wall plug (1) has flexible wings (3) attached tangentially to its leading end. When the plug is forced into an installation hole, the wings contract radially. On leaving the hole on the other side of the wall, the wings expand and prevent the plug from being withdrawn. Two radial lugs (5) on the plug body produce enough friction to stop the plug from rotation when a screw is installed. The unit is partic. intended for board facing units attached to walls or ceilings.
Patent DE-2453415-A1 (DE)
Title: Wiper for vehicle rear lights - has sprung arm oscillating vertically over curved lens due to road vibrations
Inventor: SAUER MICHAEL
IPC: B60S1/60
Filed: 1974-11-11
Abstract: The rear light cluster is made in a wedge shaped housing (22) with a curved lens forming part of a circular cylinder, with the centre of the cylinder at the rear end of the wedge. Two arms (14) are pivotted at the centre of the cylinder and support a horizontal bar (16) over the face of the cylindrical lens. The bar is fitted with bristles and the arms are sprung to hold them in the mid position on the lens. Road vibration causes the wiper to oscillate over the lens to clean it. The lens is split into diagonal stripes of transparent raised ridges (21) and sunken grooves (20) into which the road dirt is wiped. The wiper operates without any power source.
Patent DE-2458218-A1 (DE)
Title: Scissor joint threaded drive mechanism - one or both cutting edges may be serrated
IPC: B26B13/28
Filed: 1974-12-09
Abstract: The contact-free passing movement of the cutting edges during opening of the scissors, increases cutting life of the blades. The individually adjusted even cutting pressure, is effected automatically. The passing movement of the cutting pressure are automatic, via a pair of threads-, i.e. screw and nut, which are positioned in the scissor flank pivot points, and which are turned, against each other, when the scissors are used. Either screw or nut is positioned axially stationary, but turnable by spring and/or clamp pressure. The toothing, resp. thread for the axial movement may be steep, multi-path, cylindrical, or conical right- or left hand thread, or consist of grooves, etc. with spheres, slides pieces, etc. the scissor cutting edges may be serrated.
Patent DE-2500272-A1 (DE)
Title: Bulletproof laminated window for cashiers etc - which is lighter and thinner to allow wider application and easier handling
Inventor: EVERS FRITZ
IPC: B32B17/10
Filed: 1975-01-04
Abstract: Bulletproof laminated window comprises two panes of polymethacryate (acrylic glass) or silicate glass, between which is disposed a pane of polycarbonate which abuts sealingly against or is rigidly bonded to the two outer panes. The polycarbonate pane requires a thickness of only e.g. 1 mm. while the outer panes provide scratch resistance on both sides. The window may be produced by filling the gap between the two outer panes with liquid adhesive, and inserting the polycarb onate pane which displaces excess adhesive, and subsequently sealing or adhering the panes at their edges.
Patent DE-2509965-A1 (DE)
Title: Heat pumps for room heaters - ensuring excess heat is supplied to a heat store
Inventor: KIRN HERBERT ING GRAD
IPC: F25B30/06
Filed: 1975-03-07
Abstract: The condensation heat from a heating pump system is fed into a heat store. During periods of high demand, the heating pumps remove the heat from the store, and raise it to the demanded temperature level. Both undercooled-and excess heat of the refrigeration machine are fed in. The heat retracted from summer air or solar energy is fed directly into the store, without pumps. In a multi-storey block of flats, or similar, each unit has its own heat pumps, to feed excess heat into a store, common to several units. During high demand, heat is extracted from the store, and supplied via a distribution conduit to the evaporators of the pumps, and raised to the demanded temperature.
Patent DE-2510744-A1 (DE)
Title: Inert gas annealing installation of hood type - has coolant gas channel in flange of furnace hood
Inventor: PFENDER KARL
IPC: C21D9/673
Filed: 1975-03-12
Abstract: An inert gas hood type annealing installation, in particularly a line of such assemblies having an annealing hood which comes down on a surrounding support surface having an outward directed stand up flange. A gasket type device is attached to the support surface of the furnace seating such that the entire seating arrangement and seal may be cooled with cold gas. Construction is such that the coolant gas channel (7) which is attached to the stand up flange (6) of the furnace hood (5) forms a further gas cooler system.
Patent DE-2510753-A1 (DE)
Title: Hydraulic telescopic crane jib - has holding rod fitting between mechanically extended sections and crane chassis
Inventor: KRANEFELD WILHELM
IPC: B66C23/70
Filed: 1975-03-12
Abstract: The jib is particularly for mobile cranes, having a base section and two mechanically and hydraulically operated telescoping sections, extension and retraction of the mechanical sections being by means of a holding rod (13). The rod (13), used with the two outermost sections (4, 5), is fitted between an eye (15) on the chassis (14) and holes (12, 12a) in the outermost ends of the jib head section (5) and the next one (4) to it. The design minimises the risk of injury to the operator through the rod falling out, when extending or retracting the jib.
Patent DE-2511183-A1 (DE)
Title: Zinc oxide-contg. waste treatment - to recover zinc sulphate, esp. for waste from viscose process
Inventor: COSGROVE JOHN H
IPC: D01F13/02
Filed: 1975-03-14
Abstract: The filtration characteristics of solids in a dil. aq. slurry of hydrated zinc oxide are improved by heating the slurry to >=257 degrees F under pressure sufficient to prevent loss of water from the slurry and for a time sufficient to decrease the water of hydration content of the zinc oxide (>=5 min.), and then recovering filterable solids. Esp. where the slurry is neutralised waste liquor from a viscose process for cellulise rayon filament mfr., the waste liquor contg. ZnSO4 prior to neutralisn.; the system is more economic then e.g. prior cation exchange processes; pollution of rivers, streams etc. is reduced; the ZnO is recoverable ane recycled as ZnSO4.
Patent DE-2517906-A1 (DE)
Title: Automatic switch system to temporally stop IC engine - engine is started by clutch pedal dependent switch and stopped by slow running valve
Inventor: LETTENMEYER WERNER DIPL ING
IPC: F02N11/08
Filed: 1975-04-23
Abstract: Vehicle has an electronic regulator receiving signals from a clutch pedal-actuated transmitter and signals proportional to the vehicle road speed from an electrical tachometer. A third input is from the vehicle battery and a final input comes from the ignition contact breaker to give an engine rotation speed representative signal. A manual switch on the instrument panel is connected to the carburettor slow running valve to overide the electronic regulator. Two outputs from the regulator lead respectively to the starter motor solenoid and the slow running valve. The regulator contains a resistance circuit which is charged by a running engine and discharged by a stationary engine, as well as a NAND gate which only passes a start signal when the resistance capacity circuit is charged. The engine is switched off after a two second delay when the engine revolutions speed falls below a predetermined value (300 revolutions per minute).
Patent DE-2519722-A1 (DE)
Title: Preliminary pulse generation circuit - is for each pulse of pulse train whose repetition frequency is only constant approximately
Inventor: WINTER ADOLF
IPC: H03K5/135
Filed: 1975-05-02
Abstract: The preliminary pulse generation circuit is for each pulse of a pulse train whose repetition frequency is only approximately constant. The spacing between a preliminary pulse and its main pulse is small w.r.t. the pulse train period and is, as far as possible independent of its fluctuation, for use in a radar display unit for the generation of preliminary pulses preceding the main pulses by about 100 microseconds. A clock pulse generator frequency is high with respect to the main pulse repetition frequency, and its pulses are counted, with the count started by each main pulse. A preliminary pulse is generated when a certain number is reached.
Patent DE-2530932-A1 (DE)
Title: Surface contour measuring device for grooved piston rings - is fitted with support ring for dial gauges and rotation of piston ring
Inventor: MEYER FRANZ-JOSEPH
IPC: G01B5/00
Filed: 1975-07-11
Abstract: A measuring device is designed to determine the contact surface contour of grooved piston rings which may be used as oil control rings for piston engines. The device consists of a ring-shaped tool (3) which compresses the piston ring to its nominal diameter. The tool has one or more radial apertures (7) through which the contact points of dial gauges can contact the surface of the piston ring. Pref. the piston ring is rotated during the measurement, e.g. by means of a pair of rubber pads which grip the ring and are rotated either by hand or by a motor.
Patent DE-2533023-A1 (DE)
Title: Connector for coaxial pairs of communication cables - is used with outer conductors consisting of closed tubes and connected by tube piece
Inventor: STILL MICHAEL DIPL ING
IPC: H01R9/05
Filed: 1975-07-24
Abstract: A shrinkable plastic sleeve is placed on the connecting tube. A slotted tube section (2) is provided at each end of the connecting tube (1), to which it is mechanically and electrically connected. A piece of low melting point metal (4) is inserted into the tube section (2) slot (3) before the joint assembly, so that the tube section (2) clear dia. is greater than the outer dia. of outer conductors of both cables.
Patent DE-2540922-A1 (DE)
Title: Prod. of electrolytic capacitor with narrow tolerances - uses capacitive value of wound dry capacitor as rate for capacitive end value
Inventor: GOTTSCHAEMMER KARL
IPC: H01G9/00
Filed: 1975-09-13
Abstract: The electrolytic capacitor has its wound capacitor body impregnated with wet electrolyte. The capacity value of the wound dry capacitor is used as a rate for the final capacity value. On attainment of this value the winding process is interrupted. Preferably the capacity values of a testing element are measured in dry and wet conditions, and a factor is calculated according to the formula F -Cw/Cd, by which the capacity value of the wet wound capacitor must be divided, in order to obtain the value at which the winding process of the dry capacitor is to be interrupted.
Patent DE-2544046-A1 (DE)
Title: Injection moulding foam cored articles - by degassing first part of the charge and injecting before remaining material
Inventor: MENGES GEORG PROF DR ING
IPC: B29C44/42
Filed: 1975-10-02
Abstract: Sandwich construction foam plastic mouldings, with smooth closed surface skin and a core of injection moulding material containing foaming agent, are produced by taking part of the foaming mould charge, degassing this before charging the mould, and then filling the mould in on "shot" with this first part together with the remaining material, but moulding the first part first. A simple method using conventional extruders and injection moulds.
Patent DE-2546091-A1 (DE)
Title: External vehicle mirror position adjuster - has electromagnet in casing and magnetic plate on sprung, pivoted mirror
Inventor: WUNSCH ERICH
IPC: B60R1/02
Filed: 1975-10-15
Abstract: The device to adjust a vehicle mirror to improve the driver's field of vision has an electromagnet mounted in the mirror casing. The casing is mounted on the vehicle bodywork, the electromagnet being operable by the driver. A magnetic plate is fixed to the rear of the mirror, and the mirror is hinged at its end nearer the vehicle body. A spring acts on each end of the mirror to bias it away from the magnet. The mirror thus has two possible fields of vision.
Patent DE-2547065-A1 (DE)
Title: IC engine fuel tank venting system with valves - has carbon filter and valve preventing excessive fuel enrichment on starting
Inventor: ROSENZOPF GUENTER
IPC: F02M25/08
Filed: 1975-10-21
Abstract: Fuel tank venting regulator of an internal combustion engine is arranged into air channel with active carbon filter of the inlet manifold. This arrangement prevents excessive enrichment of the fuel mixture on starting by drawing stored fuel in the carbon filter. The amount of toxic gases in the exhaust is reduced and long starting times and poor idling are eliminated. A regulating valve (7) is placed between the active carbon filter (6) and inlet manifold (3). This valve opens at rotating speeds above idling speed. The plate of this regulating valve has a restrictor bore (8). A regulating valve (11) can be placed into air channel (9) from cooling blower to active carbon filter (6). This valve opens also at high speeds.
Patent DE-2547216-A1 (DE)
Title: Hairpin spring hinge assembly - has hinge pin with radial groove accommodating one of spring leg windings
Inventor: JOBMANN INGO
IPC: E05D7/10
Filed: 1975-10-22
Abstract: The spring hinge assembly consists of a pin (1) acting as a pivot for the hinges (2, 3). The pin has a leg spring (4) with one of its windings (5) bent to a smaller radius than the rest, so that this winding or part of it (6) fits into a circular groove (8) on the pin. This forces the pin axially in its position. Instead of a complete ring groove a part groove extending only over a certain length of circumference of the pin can be used. In this case a bent-off part of the leg spring winding rests into the part groove. By turning the pin by a certain degree the locking action of the bent-off part of the leg spring winding rests into the part groove. By turning the pin by a certain degree the locking action of the bent-off part of the spring winding is suspended and the pin can be removed axially.
Patent DE-2547822-A1 (DE)
Title: Full bobbin packaging - has a moulded plate to hold bobbins in place in their carton
Inventor: KUEHLING FRANZ
IPC: B65D71/70
Filed: 1975-10-25
Abstract: A packaging is described for the transport and protection of wound yarn bobbins. A plate is introduced into the carton, with regularly-spaced moulded recesses each accepting an individual carrier for the bobbin. Each moulded recess incorporates a circular, tubular and slitted stud to centre and lock the bobbin in place by the projecting bobbin sleeve held by the stud. The locking stud also has a circular beading. A suitable plastic is used as the material for the packaging. The system provides a cheaply-made packaging for simple securing of the bobbins in their cartons.
Patent DE-2548284-A1 (DE)
Title: Rotary hydraulic percussion machine - has thrust piston with spring catch rotating tool during hammer piston idle stroke
Inventor: POTOZKIJ WASILIJ B
IPC: E21B6/08
Filed: 1975-10-28
Abstract: A stepped hammer piston strikes an anvil. A tool rotation mechanism engages with a pinion on the anvil, and has a ram with two cylinders of different diameters and divided by a transverse partition and a thrust piston with a spring stop catch. The partition and the cylinder liners of different diameters form a smaller service chamber and a larger no-load chamber. The body has three internal grooves. The forward end one is connected to atmosphere, the middle one permanently to the larger chamber and the rear one to the smaller one and to the supply passage. As a stepped valve ring on the hammer piston reciprocates, the thrust piston acts via the spring catch on the piston during the hammer piston idle stroke.
Patent DE-2549122-A1 (DE)
Title: Starting current limiter for single phase circuits - consists of time delayed relay in associated DC circuit
Inventor: REUKE ALOYS
IPC: H02H9/00
Filed: 1975-11-03
Abstract: A limiting resistor (10) in one line is bridged by a contact (11) of a time delayed relay (12). The delay time is fixed by the resistor/capacitor network (17, 18) across the relay coil which is supplied with dc from a thyristor (15) connected to the mains. The thyristor gating is provided from a current transformer (14) in one mains lead. When the appliance is switched on the current is resistance limited. THe thyristor operates and charges the RC circuit (17, 18) through the smoothing capacitor (16). When the voltage on the large capacitor (18) reaches the appropriate value the relay coil picks up and the relay contacts (11) short circuit the limiting resistor (10). Operation thereafter is normal.
Patent DE-2552578-A1 (DE)
Title: Cluster cutting and welding burner - has concentric tubes for cutting oxygen and for heating oxygen and gas mixture spaced by wires
Inventor: CHRIST JAKOB
IPC: F23D14/52
Filed: 1975-11-24
Abstract: A cluster burner for welding, heating, cutting of flame metallising has a nozzle head with peripheral bores for mixing heating O2 with heating gas. A central tube which carries the cutting O2 is surrounded by a tube to form an annulus for the heating mixt. The distance between the two tubes is maintained by L-shaped wires, which are hooked into bores of the tube walls. This greatly facilitates the mfr. of a cluster burner as it eliminates the drilling of all long holes. The burner is functionally reliable and will not clog up.
Patent DE-2553046-A1 (DE)
Title: Hose clamp self locking element - has serrated clamp bolt placed in inclined location slots to give ratchet action
Inventor: GANDINI ANGELO
IPC: F16L33/02
Filed: 1975-11-26
Abstract: The hose clamp has two parallel plates (2) attached perpendicular to one end of the clamp strip (1). The two plates (2) have inclined slots (8) for the location of the clamp bolt (3). The cylindrical shank of the clamp bolt has axial serrations on its diameter. On installation, the free end (6) of the clamp ribbon is run around the hose and then between the clamp bolt and the hose. By turning the clamp bolt, its serrated shank pulls the ribbon tight around the hose. To maintain the tension in the ribbon, the incline of slots (8) in such that self locking wedge action between bolt and hose occurs.
Patent DE-2553122-A1 (DE)
Title: Thin film evaporator with rotary distributor and separator - e.g. for use as reboiler in vacuum rectification columns
Inventor: JEVKIN IVAN FROLOVITSCH
IPC: B01D1/22
Filed: 1975-11-26
Abstract: The evaporator housing incorporates a heat transfer surface. The evaporator has a rotor shaft carrying drums whose surfaces bear vertical channels with outlets through which the liq. is flung against the heat transfer surface. Each drum is secured via radial spokes to a shaft. The liq. is distributed uniformly over the inner surfaces of drum channels by a plate which is rigidly fixed to the shaft and which covers the space inside the drum. The plate allows the vapour to pass downwards through the annular space between the drum and heat transfer surface. A centrifugal separator is divided into sections which are each located between two distributor drums. EAch separator section has vertical blades which allow vapour to pass between them but which are so shaped that they convey the sepd. liq. downwards onto the distributor plate of the next lowest drum. The form of construction allows large surface areas to be achieved in a single evaporator, provides intensive turbulence and good heat transfer in the liq., achieves a high degree of sepn. of liq. from vapour and simplifies the structure of the evaporator.
Patent DE-2601334-A1 (DE)
Title: Pulse generator circuit providing controlled pulse amplitudes - has diode bridge with control voltages applied to one junction and high gain amplifier connected to other junction
Inventor: BLUEMEL FRIEDRICH ING GRAD
IPC: H03K7/02
Filed: 1976-01-15
Abstract: The pulse generator circuit includes a diode bridge which consists of two branches, each with two diodes (D1,D3;D2,D4). Control voltage is so applied through resistors (R3,R4), that the diodes forward direction coincides with the control voltage polarity. Control pulses are applied to the junction point (A) of one bridge branch (D1,D3). A high gain amplifier (V2,V3) with negative feed-back is connected to the junction point (B) between diodes (D2,D4) in the other bridge branch. Pulses representing digital values are fed to a digital-to-analogue converter which provides control voltages to the diode bridge.
Patent DE-2605437-A1 (DE)
Title: Candle with embedded noncombustible or fusible thread - with loop for hanging candle at upper end of thread
Inventor: EGLINSKI JUERGEN
IPC: C11C5/00
Filed: 1976-02-12
Abstract: Candle made of wax, paraffin, etc. has embedded in it >=1 thread or wire which will not burn or melt in the candle flame and which bears or forms at its upper end means for hanging the candle. The wick itself may consist of a non-combustible fibre and serve to hang the candle up, or a thin metal thread or wire may be embedded in the candle and surrounded by the wick for hanging up the candle. The wirck or the wire may protrude from the lower end of the candle and support a tray for collecting molten paraffin etc. Alternatively there may be embedded in the candle a plastic stopper which is attached to the wire and which bears means for securing a collecting tray.