baber/WOPTO huggingface dataset:
Patent DE-2629959-A1 (DE)
Title: Radio transmitter with overdrive compensation circuit - connected to resonant amplifier and coupled to output of carrier modulating amplifier
Inventor: SYPNIEWSKI STANISLAW DIPL ING
IPC: H03F3/217
Filed: 1976-07-02
Abstract: The radio transmitter has a D resonant amplifier. There is a current/voltage converter with amplitude modulation, a carrier wave generator, an amplifier to modulate the carrier wave, and a control stage between the generator and the resonant amplifier. A compensating circuit (5) is connected between one output of the carrier-modulating amplifier (2) and an extra input to the control stage (4). The compensating circuit automatically compensates for overdriving of the resonant amplifier. The compensating circuit consists of a transistor whose base is coupled via a resistor to the output of the modulating amplifier.
Patent DE-2632922-A1 (DE)
Title: Positioning device for work on machine tool table - has ball aligning tapered recess in bottom of work and table top
Inventor: BALD HUBERT DIPL ING
IPC: B23Q16/08
Filed: 1976-07-22
Abstract: The clamping body has a reference indicator from which at least a coordinate dimension of the position recesses (8. 9) is deduced. The indicator takes the form of a defined position marked in relation to the position recesses (8, 9) and can be a surface mark, a cylindrical hole, crossed lines, a further related positioning recess or there can be more than one such indicator. The clamping body can be limited by at least five flat surfaces, of which at least one is formed as receiving surface, and at least one as a combination surface which, at the same time, is formed as a reference indicator and location surface.
Patent DE-2633738-A1 (DE)
Title: Connector for bicycle tyre pump - is moulded plastics joint with internal thread for valve stem and tapered projection for flexible pump line
IPC: B60C29/06
Filed: 1976-07-27
Abstract: The connecting piece is for linking piping to an air pump, partic. a bicycle tyre pump. The connector comprises a cylindrical flange to fit over the end of the valve and a tapered, conical projection integral with it. This is used to connect to the wall or other valve on the bicycle pump end. The connector is pref. moulded from plastics material, with a threaded section in the flange interior to screw onto the valve stem. A flexible pipe from the bicycle pump is pushed onto the conical projection, which has a taper of about 5 deg., to retain the pipe by friction.
Patent DE-2641531-A1 (DE)
Title: Polymerisation of (2)-pyrrolidone to white nylon 4 - by use of controlled amt. of sulphur dioxide as activator
Inventor: BARNES ARTHUR CONRAD
IPC: C08G69/24
Filed: 1976-09-15
Abstract: The process is carried out using H2O-free monomer at 30 degrees -45 degrees C in the presence of a prim. catalyst and an SO2 activator. The SO2 concn. required varies with the temp. used and does not exceed the limiting value. There is an almost linear relationship between polymerisation temp. along the x-axis and the log of the SO2 concn. along the y-axis. The SO2 concn. is expresses as mols. sO2 per mol. monomer on a logarithmic scale. The amt. required extends from 0.024 mol. at 30 degrees C to 0.004 mol. at 45 degrees C. the polymer obtd. having a viscosity suitable for melt spinning. Control of SO2 concn. used by reference to the graph ensures that conditions leading to yellow prods. are avoided. Prods. also have excellent thermal stability.
Patent DE-2643472-A1 (DE)
Title: Measurement of linear distortion of TV channel - uses signal generator producing PAM test signal from smooth reference signal
Inventor: SCHROEDER HARTMUT DIPL ING
IPC: H04B3/46
Filed: 1976-09-27
Abstract: The signal generator, for measuring the linear distortion of a band-limited channel, generates a PAM test signal (s'(n)) whose pulse amplitude corresponds to a reference signal derived from the generator's continuous test signal (s(t)). The reference signal is an amplitude corrected continuous test signal. The PAM signal is produced using a clocked analog multiplexer whose inputs are connected to voltage generators producing voltages corresponding in amplitude to the reference signal. The generator is for use in testing television transmission channels, especially video telephone channels.
Patent DE-2644385-A1 (DE)
Title: Anti-dazzle dipping headlamp - has longitudinal coiled filament and concave reflector of specific geometry
Inventor: BLANKE KURT
IPC: F21S8/10
Filed: 1976-10-01
Abstract: Dipping headlamp with a longitudinal coil as the light source which lies within the optical axis with the lower coating line and works together with a concave reflector through which the light distribution mainly takes place. The reflector (1) in the vertical centre line shows in both upper and lower halves two each parabolic sections (3, 4, 5, 6) which run into each other and the focal points of which (F3, F4, F5, F6) are located at the ends of the coating line of the spiral (2) extending along the vertical centre plane.
Patent DE-2645031-A1 (DE)
Title: Spreadable coating compsn. - contains a thickener esp. methyl cellulose and a solventless primer
Inventor: REISCH ERNST L
IPC: C09D5/04
Filed: 1976-10-06
Abstract: A spreadable coating compsn. e.g. adhesives, dispersion paints contg. a thickener (I) or a workability improving agent (II) esp. the cellulose also contains a solventless primer (III) such as an air drying or modified natural oil or a natural or synthetic resin. The compsn. contains is not 0.2-0.3 wt. % (I) or (II). Surfaces can be simultaneously primed and coated and then dried or hardened. Although the compsn. contains no solvents the primer is able to penetrate the surface well. Storage of the compsn. is simpler and during coating there are no toxic or flammable vapours.
Patent DE-2645603-A1 (DE)
Title: Safety switch for motor vehicle circuits - has contacts held closed by magnet which is removed by sufficiently great shock
Inventor: ZODER DITTMAR ING
IPC: H01H35/14
Filed: 1976-10-08
Abstract: The safety current breaker for cars is activated by acceleration or deceleration. Two separate electrical contacts can be closed only by magnetic force of a powerful permanent magnet. When a specified shock intensity is exceeded the magnet tips over the edge of a cover plate and opens the contacts, thus disconnecting the battery from the circuit. One of the contacts may be movably housed in its holder to lie in the plane determined by the permanent magnet, and the fixed contact.
Patent DE-2647614-A1 (DE)
Title: Boiler oil burner with pressurised air supply - has internal end wall in front of flue outlet to form baffle chamber
Inventor: AHLGRIMM HERBERT
IPC: F23M9/00
Filed: 1976-10-21
Abstract: The boiler has an oil burner, a pressurized air supply, and a flue gas outlet opposite to the burner. An internal end wall (8) is positioned in front of the flue gas outlet (12), to turn the combustion chamber into a baffle chamber (17). The inner wall together with the external end wall (7), form a collection chamber (9), connected via apertures (11) to the baffle chamber. The apertures have a smaller cross section than the baffle chamber. Near the external ring chamber (3), containing the heating medium, an internal ring chamber (5) is formed by a pipe (6), extending from the inner end wall. The inner ring chamber is connected to the baffle chamber (17) via apertures (10), near the inner wall; and via a ring aperture (20) near the burner (19).
Patent DE-2651587-A1 (DE)
Title: Rotary engine with compression boosters - has reciprocating plungers, synchronised with rotor, varying combustion space
Inventor: HEIDENESCHER FERDINAND
IPC: F01C1/34
Filed: 1976-11-12
Abstract: The rotary engine with compression boosters has an eccentrically mounted cylindrical rotor with peripheral sealing flanges (9) near the ends, running in grooves in the casing (6). Spring loaded radial blade seals bearing against the rotor face between these flanges close combustion space peripherally. Plungers (8) actuated by cams (10) driven by gearing (7) from the rotor shaft enter combustion space via axial casing passages to minimise former at moment of injection; maximise it during induction phase. Plungers may have non-return valves (11) for increase air inflow. Rotor may have (stub) vanes on part of periphery to accelerate gas flow.
Patent DE-2659165-A1 (DE)
Title: Hydraulic system for vehicle - has engine driven main pump and vehicle motion or motor driven auxiliary pump feeding into common line with three-way control valve
Inventor: SCHABER MANFRED
IPC: B62D5/32
Filed: 1976-12-28
Abstract: The hydraulic pressure system is provided with two pumps one pump being driven by the engine and the second by vehicle movement or by an electric motor. The pumps feed a common pressure pipe leading to a three way valve. One outlet from the three way valve is the service pressure pipe. The second outlet is taken from behind a restrictor and leads to the auxiliary pump scavenging and lubrication chamber. A branch pipe leads to a regulator valve (48) with three switch positions. The main pump has a similar regulator valve. A pressure difference at the restrictor causes the auxiliary pump to give a nil delivery while ever the main ump can maintain its rated output. A lowering pressure difference causes the auxiliary pump to make up the original pressure difference.
Patent DE-2722339-A1 (DE)
Title: Static inverter with double primary transformer - has two input switches, and two output switches for opposite halves of output signal
Inventor: LINK KLAUS ING GRAD
IPC: H02M3/335
Filed: 1977-05-17
Abstract: The static inverter, for converting a dc voltage into voltages of alternating polarity, consists of an input filter (ES) connecting the dc source to the primary power switches (T1/D1, T2/D2) whose outputs are connected to a transformer's primary. The transformer's secondary is coupled via two secondary power switches (T3/D3, T4/D4), one for each halfwave, to the output filter (AS) which is coupled to the load (L). The transformer has two primaries, one for each halfwave, each of which is in series with one of the primary switches.
Patent DE-2724200-A1 (DE)
Title: Coagulated tetra fluoroethylene copolymer particles - with inner and outer parts of different compsn., esp. for paste extrusion, e.g. wire covering
Inventor: POIRIER ROBERT VICTOR
IPC: C08F2/16
Filed: 1977-05-27
Abstract: Coagulated tetrafluoroethylene resin powders are claimed with an average particle size of 350-800 u consisting of agglomerated prim. particles with an av. particle size of 0.1-0.5 micron. The prim. particles are made up of >=2 parts, viz an external part and a bordering inner part. Each part consists of a copolymer of tetrafluoroethylene with units of a comonomer (a) of formula R1R3C=CFR2 in which R1 is F or H; R2 is F or Cl, and R3 is Cl, -R'FH, -OR'FH, -RFCl, -OCF2C(CF3)FO(CF2)2SO2F or -(OCF2C-(CF3)F)nOR"F, where R'F is a linear perfluoroalkylene gp. with 1-5C, the substits. being in the omega-position. -RFCl is 1-10C perfluorochloroalkyl, R"F is 1-9C perfluoroalkyl. and n = 1 or 2, or R"F may have the formula (I): and n is 0,1 or 2; and if R2 is F, R1 and R3 may together form a gp. (II): and/or (b) of formula R5R6C=CH2 in which R5 and R6 may be CH3, CF3 or CClF2 or one of the groups may be H and the other may be -OCOCH3, -OCORF, -OCOR'FH, -OCORFCl, -RF or R'FCl, in which R'F and RFCl have the above meaning and RF is a 1-10C perfluoroalkyl group. The internal part of the particles has a higher comonomer content than the external part. The fine powder prods. are esp. useful for paste extrusion processes in which a paste of the powder with a lubricant is extruded from a cylinder through a small nozzle and the extrudate is heated to remove the lubricant and to sinter the resin particles. The copolymer particles can be extruded at very high reduction ratios without the formation of faults and fissures in the sintered extrudate.
Patent DE-2724449-A1 (DE)
Title: Totally enclosed horizontal drum worm centrifuge - has separating chamber each end, with baffle plates forming labyrinth seals
Inventor: OEFFLING WILHELM
IPC: B04B7/00
Filed: 1977-05-31
Abstract: To separate solid material from a mixture of liquid and solid substances, a horizontal drum, totally enclosed centrifuge is used. This drum (2) houses a plate (3) acting as a separating worm, and mounted on a hollow shaft (4) through the middle. The mixture is fed through a pipe (8) into one end of this shaft, then enters the drum through holes (6) that end. There is a liquid separating chamber (12) at that end with a bottom outlet, and a similar solid material discharge chamber (8) the other end. These chambers contain respective baffle plates (15; 11 and 11') mounted on the drum and fixed plates (14; 9 and 10) which together form a labyrinth seal. The plates on the drum consists of segments of a ring, and may be of metal or plastics material.
Patent DE-2726960-A1 (DE)
Title: Combined cigarette case and lighter - also carries engraved metal name plate and has compartment with press button operated lid
Inventor: KLING KLAUS
IPC: A24F15/18
Filed: 1977-06-15
Abstract: The cigarette case has a cover which incorporates an electronic cigarette lighter. It also incorporates a pocket and a metal name plate. The cigarette lighter can be built into the top. The pocket may be at the back and closed by a press button. The name plate can be at the front with the name engraved on it. These features can be arranged in various ways. When the top cover is opened, the U-shaped inner part is pushed upwards. The case can be covered with leather, plastics or other material. The cigarette lighter can be held in the top by springs.
Patent DE-2736219-A1 (DE)
Inventor: POELLMANN JOHANN ING GRAD
IPC: F21V17/16
Filed: 1977-08-11
Abstract: Springs bent in a hook shape, the manufacture and assembly of which is relatively expensive, have hitherto mainly been used for the detachable mounting of a shield or some other cover in a lamp housing; disruptive through holes in the outer housing part are generally also necessary for the mounting of such springs. By contrast, in the invention, the closure (1) is a single-piece plastic part with a U-shaped support (15), the legs (14) of which are each respectively connected at their free end to the one housing part (3). Between the legs (14) and parallel to them a spring arm (11) is arranged with shoulder (12) running transversely to its longitudinal axis, which arm has a handle (13) on its free end. By means of this, the shoulder (12) can be bent so far to the side that the two housing parts (2 and 3) can be detached. <IMAGE>
Patent DE-2747968-A1 (DE)
Title: Mobile granular road ballast spreading and smoothing machine - has two acutely converging shields forming forward distributor on skimmer shield
Inventor: SCHLICKER NORMAN OSKAR
IPC: E01C19/15
Filed: 1977-10-26
Abstract: The travelling road building machine is for construction of substructure made up from granular material or varying grain size, esp. a ballast support layer, using a height-adjustable skimming shield. There is an advance distributor (12) at the front of the shield (10), converging at an acute angle in the direction of travel (F); this is plough-shaped, with two shields converging at an acute angle (12a, 12b) and its adjustable across the line of travel. The two shields may be able to swivel independently of each other about a vertical axis. This simplifies mixing of material collected from the heap.
Patent DE-2754347-A1 (DE)
Title: Clamping and guide sleeve for optical fibre plug connection - has holders receiving centred and fixed optical fibre ends and sleeve may have curved portion
Inventor: PETER EUGEN ING GRAD
IPC: G02B6/38
Filed: 1977-12-07
Abstract: The optical-fibre clamping and guide sleeve (1) has means to guide and adjust the two optical-fibre holders (6a, 5b). These holders are fixed in this position due to spring tension. The sleeve may have in its centre part at least three slits (5) distributed evenly over the periphery and it may be curved towards the centre axis. The sleeve may consist of a resilient material and may have a continuous longitudinal slit and be undersized in relation to the outside dia. of the holders.
Patent DE-2755081-A1 (DE)
Title: Transistor overload protection system - has inversely operated diode which controls transistor input voltage, and is thermally connected to it
Inventor: LINK ERICH
IPC: H01L23/62
Filed: 1977-12-10
Abstract: The device consists of a circuit which in case of overload at least partially blocks the transistor. The signal input of the transistor (2) is connected directly or through a drive stage (3) to a semiconductor diode (5) operated in inverse sense, so that when the diode blocking effect is reduced, the input voltage, thus also the output current are reduced. The transistor (2) and diode (5) are thermally interconnected with each other by a heat conducting device (4).
Patent DE-2800280-A1 (DE)
Title: Automatic constant level item distributor - has constant torque and constant rate springs supporting platform and stack respectively
Inventor: SKALLER HANS GEORGE
IPC: A47F3/022
Filed: 1978-01-04
Abstract: The distributor handles a stack of items, which it automatically dispenses at constant level. It has a horizontal support plate (14) for the items (10) extending from the frame, which has guides in it for the platform between upper and lower positions vertically one above the other. A spring mechanism mounted in the frame is coupled to the platform and exerts constant torque, counter-balancing the platform weight. One or more constant rate springs coupled between frame and platform counter-balance the weight of items on the latter. Thus the platform weight is supported solely by the constant torque spring, and that of the stack solely by the constant-torque spring, keeping the stack top at a predetermined level, whatever the stack height.
Patent DE-2803703-A1 (DE)
Title: Bullet proof case construction - incorporates one or two high tensile steel plates detachably or rigidly fixed in sides
Inventor: TRESZ PETER
IPC: F41H5/08
Filed: 1978-01-28
Abstract: The bullet-proof case is used to protect the contents from robbery, and similar criminal acts. The case has steel plates inserted in the sides. Each of the two steel plates is two millimetres thick and possesses a tensile force of twenty-eight to thirty-eight kilograms per square millimetre, and a yield point of a maximum of twenty-four kilograms per square millimetre. The steel plates are either rigidly or detachably fixed inside the case, and stop high velocity shots. Only one steel plate is necessary if this possesses a tensile force of forty-five kilograms per square millimetre and a yield point of from twenty-eight kilograms per square millimetre.
Patent DE-2804942-A1 (DE)
Title: Crosslinked adhesive film prodn. from polymer emulsion - using water-soluble crosslinking acrylic! polymer contg. prim. hydrazone gps.
Inventor: GLEICHENHAGEN PETER DIPL CHEM
IPC: C09J7/10
Filed: 1978-02-06
Abstract: This is a Patent of Addn. to DT 2634956 in which crosslinked films are prepd. by (i) mixing a polymer emulsion, yielding an adhesive film after drying on a substrate, with a water-soluble polyacrylic hydrazide as crosslinking agent, (ii) applying the mixt. to a flexible substrate, e.g. paper or a web, and (iii) crosslinking by quick heating at 60-160(80-120) degrees C. In the present Patent of Addn., the water-soluble polyacrylic hydrazide (I) is replaced, at least partly, by a water-soluble polymer (II) contg. prim. hydrazone gps. The synthesis of (II) is less troublesome than that of (I) and comprises the reaction of carbonyl gp.-contg. polymers in aq. soln., with an equiv. hydrazine hydrate quantity. (II) can be used directly, without further purificn. The Adhesive films have improved resistance to moisture.
Patent DE-2811913-A1 (DE)
Title: Water soluble binder - comprises reaction prod. of poly:carboxylic acid, salt forming cpd., hydroxy gp. contg. polymer and/or epoxy cpds. (BR 16.10.79)
Inventor: KRAFT KURT
IPC: C08L63/00
Filed: 1978-03-18
Abstract: A water soluble, reactive binder comprises >=3 units of (A) halogen free polycarboxylic acid mixts., (B) a salt forming material chosen from alkali(ne earth) metal and quaternary ammonium salts, organic bases and/or NH3, (Cl) OH contg. polymers and/or (C2) epoxy cpds. The binder hardens at low temps. and has high mechanical strength and chemical and light resistance. The binder has good storage stability and is used as a lacquer esp. an electroimmersion lacquer for metals. The lacquer has good adhesion and high weather stability. The compsn. may also be used in sealants, mouldings, foams, insulation varnishes and street markings.
Patent DE-2816869-A1 (DE)
Title: Pushbutton switch in rectangular housing - has slide with switching mechanism with spring scanning labyrinthine switching link
Inventor: SCHMID THEOBALD
IPC: H01H13/56
Filed: 1978-04-18
Abstract: The switch has a slide operating the contacts and connected to the push-button. A switching mechanism is fastened to the slide and to the case. it is in the form of a labyrinth switching link and a scanning element spring loaded towards it and engaging it. The scanning element consists of a spring mounted on the side of the switch case (1) or slide (10). The spring has a supporting pin (8) on a base and a flexible ring connected with it, carrying a projection engaging the labyrinth switch link (14).
Patent DE-2819568-A1 (DE)
Title: Motor driven food chopper - has cutter head keyed on carrier bush to allow detachment for blade cleaning
Inventor: HARTMANN HORST
IPC: A47J43/06
Filed: 1978-05-05
Abstract: The container (12) for the food to be chopped forms an integral part of the housing of the drive motor (10). The extended shaft (11) of the motor projects into the container (12) beyond its upper rim. The shaft has a carrier bush (15) fitted so that it rotates together with the shaft but slides at the same time. The other end of the carrier bush is seated on a journal (18) mounted rigidly inside the handle-part of the cover (20). The upper part of the carrier bush also serves as an abutment for one end of a return spring (17). The bush has a cutter head and blades (25) fitted detachably. During operation the shell part can be moved for sliding over the shell part of the container, ensuring cutting of the entire contents of the container.
Patent DE-2822529-A1 (DE)
Title: Plug for attaching objects to partition or wall - has split flange to grip opposite surface of partition
Inventor: CURTI JEAN
IPC: F16B13/08
Filed: 1978-05-23
Abstract: A method of fixing objects to relatively thin partitions or walls uses a plug (1) with a circular end flange (2). A circular boss (23) projects from the flange (2) and carries two parallel longitudinal ribs (3). Two split flanges (5, 6) have slots which allow them to slide over the ribs. The half flanges are loosely connected to the plug (1) by bolts. This allows the larger half flange (5) to be inclined at an angle to the plug axis so that it can be pushed through a hole in the partition. As the bolts a*e tightened, the half flanges are pressed against the inner surface of the partition and hold the plug firmly in place.
Patent DE-2823509-A1 (DE)
Title: Rationalised checkout system for supermarkets - requires customers to fix adhesive data carriers to goods when shopping
Inventor: BENZLER HARTWIG DIPL ING DR IN
IPC: G07G1/00
Filed: 1978-05-30
Abstract: The supermarket check-out procedure can be rationalised if the data carriers which exist with the goods to be sold are adhesive and are fastened by the customers to the goods being bought or to their packing. The customer can alternatively write the data on adhesive carriers which he then fixes to the goods. The supermarket operator no longer requires personnel for individually marking up the goods but a simple computerised evaluation of the shopping basket is possible. The information carrier for each item is preferably in duplicate so that one copy is applied by the customer to the goods and the other is supplied to a collecting point.