baber/WOPTO huggingface dataset:
Patent DE-2840611-A1 (DE)
Title: Irrigated plates for cooling towers - using knitted plastic or wire mesh supported on frame or plate to create maximum surface contact between water and air stream
Inventor: REHSLER EMMERICH
IPC: F28F25/08
Filed: 1978-09-18
Abstract: Trickle plate for optimised heat transfer between air and water or other cooling medium consists of an extended surface over which water is allowed to trickle. Air flow across the surface in the opposite direction. The plates are formed from a knitted mesh of plastic or wire stretched over a support plate. The cooling medium then flows through the interstices of the mesh. The plates can be plastic or metal. Used for use in cooling towers. Provide a simple, cheap but effective surface which is simple to instal and clean.
Patent DE-2841178-A1 (DE)
Title: Elastic claw clutch construction - with concentric elastic damping and plastic moulded intermediate ring
Inventor: VIETS ADALBERT
IPC: F16D3/68
Filed: 1978-09-22
Abstract: The elastic clutch assembly has two interlocking claw plates with an elastic moulded insert ring floating between them. Each claw plate is fitted to a concentric damping element comprising concentric shells with an elastic damping layer between. The clutch is assembled from simple components. The claw plates are linked to outer shells by adhesive bonding or by friction welding. The clutch may be used in a variety of applications.
Patent DE-2841311-A1 (DE)
Title: IC engine mixture composition control - has temp. sensitive elements in exhaust duct connected to comparator to control carburettor
Inventor: LATSCH REINHARD DIPL ING DR
IPC: F02D41/14
Filed: 1978-09-22
Abstract: The system is intended for controlling the composition of the mixture entering the combustion chamber (6) of an engine. Sensors (9, 12) produce a signal representing the extent of the reaction taking place between the exhaust components leaving the chamber and a comparator comparing the signal with a desired value to produce an output controlling the mixture preparation (1). At least one temp. sensitive element (9, 12) is exposed to the exhaust gas immediately downstream of at least one of the exhaust valves (8). There may be two elements of which one (12) has catalytic action, the difference between the two signals (9, 12) serving as the control quantity.
Patent DE-2847578-A1 (DE)
Title: Guide piece for containers fitted inside furniture - consists of wire cable with guide rollers, and included top and bottom strip
IPC: E06B3/50
Filed: 1978-11-02
Abstract: The guide piece for objects, such as containers inside an article of furniture, such as drawers, arranged on a support has at least one stationary guide strip across which is a guide piece (18). A wire cable alignment piece consists of a flexible, nonductile, elongated section, the two ends of which are fixed to the two ends of the guide piece (18). Two guide rollers (62, 64) are partly enclosed by the alignment piece. An upper guide strip (28) has a rail (36') running along it along which the guide piece (18) runs along at least one roller (38). The bottom guide strips (32) has an insertion duct opening underneath (48) into which a guide roller (50) fits.
Patent DE-2851452-A1 (DE)
Title: Colours identification on coloured surface - is performed using illuminating lamp of known spectral composition for sweep detector system
Inventor: WELLENDORF KLAUS DIPL ING DR
IPC: H04N1/60
Filed: 1978-11-28
Abstract: A coloured surface is illuminated by a lampo with a known spectral composition so that the colours can be identified. The coordinate positions are also determined to control textile processing machines. A coloured surfaces is illuminated by lamps and the intensities of the three primary colours reflected from it are measured optically and electrically by a sweep detector system. The colour components are compared with fixed values obtained from sample points and when coincidence occurs identification symbols are generated.
Patent DE-2853033-A1 (DE)
Title: Vehicle number plate with film surface - in which mechanised process cuts film length and presses it onto base plate
Inventor: DELECATE DIETER
IPC: B29C69/00
Filed: 1978-12-08
Abstract: Vehicle number plates are produced from a flat plate with a film applied on one side, using a mounted reel of film which has an adhesive coating on one side with tear-off carrier film a cutter, and a device to press a length of film on to a flat plate. The parting device for the carrier film and the cutter are adjacent on the circumference of a driven roller which has perforations evacuated from inside. Mechanised process gives no problems with shrinkage of stripped film and no film wastage. No slippage of film occurs.
Patent DE-2902544-A1 (DE)
Title: Retaining unit for type wheels in typewriters - uses exchangeable wheels readily located in drive head with ensured position
Inventor: JENDRICKE HERMANN
IPC: B41J1/24
Filed: 1979-01-24
Abstract: The mounting of a type wheel printing head for typewriters is designed to permit ease of changing together with a simple and toolproof means of positive location. The drive for the type wheel (1) which is of a disc shape with projecting finger(s) containing the type character, is from an electric motor (33) via a toothed belt (23) to a pinion wheel (27). The complete drive assembly is mounted on a pivoted frame (33) and has a locating spigot (25) on a centre shaft (19). The print wheel is located on a separate pivoted frame (61) that may be swung clear of the drive frame. A Vee notch (45) on the print wheel engages with the spring clip with the drive shaft spigot to secure the two halves together. A projection (71) formed on the wheel locates in a mating slot (67) to ensure accurate alignment of the unit.
Patent DE-2904136-A1 (DE)
Title: Glass container which is easily destroyed for disposal - surface hardness of container allows easy breakage under mechanical impact
Inventor: SEIBEL FRITZ
IPC: B65D1/02
Filed: 1979-02-03
Abstract: The glass container, bottle etc. can be destroyed easily to facilitate disposal. The surface hardness of the glass is such that when the bottle suffers mechanical damage to its outer surface, e.g. caused by impact from a pointed object, it breaks into very small pieces. The wall and bottom thicknesses are >=2.5 mm and the mouth has an internal diameter of around 30 mm.
Patent DE-2911145-A1 (DE)
Title: Cellulose refiner exchangeable liners - have cast drums to surfaces of which are welded blades at spaced locations defining refining areas
Inventor: ZINEZI WALDEMAR
IPC: D21D1/24
Filed: 1979-03-21
Abstract: Frusto-conical refining drums are produced as renewal assemblies by casting the drums from steel and welding to the surfaces of the drums forged, or rolled blades of stainless steel. Arrangement of blades on the surface defines refining areas. Pref. the blades are welded to the surface using continuous seam or spot welding, and after welding the blades are finished to the desired degree of accuracy. Used in refining cellulose. Blades can be renewed without use of expensive drum substrate.
Patent DE-2911259-A1 (DE)
Title: Cleaning compsns. for boilers - contg. alkali metal iodate or periodate in alkaline soln.
Inventor: KOHLMEYER UDO
IPC: C11D3/00
Filed: 1979-03-22
Abstract: Compsns. for cleaning the furance side of a boiler comprise an aq. alkaline soln. contg. an alkali metal iodate or periodate as oxidising agent. The compsn. pref. also contain one or more heavy-metal cpds. which catalyse soot combustion (esp. basic Cu carbonate), and also surfactants and/or corrosion inhibitors. The (per)iodates are more effective than other oxidising agents (nitrates, chromates and permanganates) in removing refractory carbonaceous deposits ('shining soot').
Patent DE-2918402-A1 (DE)
Title: Torsion bar mounting for suspension - has compact bar coupled to suspension arms by angled ends
Inventor: KOENIG WERNER ING GRAD
IPC: B60G21/055
Filed: 1979-05-08
Abstract: The torsion bar mounting is designed for use on a car has the thin torsion bar (20a) fitted with angled and levers (21) which pivot in the trailing arm supports (12) for the wheels, the with pivot bearings (19) to link the torsion bar mounting to the chassis. The torsion bar couples to the trailing arms with improved leverage and enabling a lighter bar to be used. The pivot bearings for the bar are near the pivot axis for each trailing arm.
Patent DE-2923763-A1 (DE)
Title: Light with lamp holder - is screwed to hemispherical part closing one end of tube whose other end holds dish reflector
Inventor: BENDER HANNS
IPC: F21V19/00
Filed: 1979-06-12
Abstract: The light has a fixing device connected to a caplike holder in which the incandescent lamp holder and reflector are fixed. The cast-metal cap-like holder has the shape of a short tube closed by a hemisphere at one end and provided with several longitudinal slits for ventilation in the wall of the tube. The hemisphere contains two threaded holes for the screws that fix the holder of the incandescent lamp. The open end of the tube is threaded to allow the neck of the reflector to be screwed into the cap-like holder. The fixing device consists of a metal arm attached by a clamping screw to the outside of the cap-like holder.
Patent DE-2924770-A1 (DE)
Title: Combined IC engine inlet and exhaust valve - has common inlet and exhaust duct port closable by valve disc, and exhaust duct by disc-operated slide bush
Inventor: GOEBEL KARL-HEINZ
IPC: F01L1/28
Filed: 1979-06-20
Abstract: The combined combustion engine inlet and exhaust valve assembly comprises a valve centrally arranged relative to the combustion chamber and a slidable bush (21) with seating face (24), as in accordance with 2911163. The inlet and exhaust ducts are arranged above each other in the direction of valve movement, and connect into a common part (20) in which the bush slides. The valve disc can seat on a seat ring to close both inlet and exhaust parts, or on the bush only to close the inlet, whilst the bush can seat on the ring to close the exhaust part only.
Patent DE-2927988-A1 (DE)
Inventor: AUSTEL VOLKHARD DIPL CHEM DR
IPC: C07D473/00
Filed: 1979-07-11
Abstract: This invention is directed to 8-phenyl-purines of general formula <IMAGE>   wherein R1 is a hydrogen or halogen atom; an alkoxy group optionally substituted by alkylmercapto, alkylsulfinyl or alkylsulfonyl group; or an alkylmercapto, alkylsulfinyl or alkylsulfonyl group, whereby each alkyl moiety may contain from 1 to 3 carbon atoms, and R2 is an alkoxy group with from 1 to 3 carbon atoms, and their physiologically compatible acid addition salts. The compounds exhibit valuable pharmacological properties, particularly positive inotropic activity.
Patent DE-2934820-A1 (DE)
Title: Pumpable, aq. cement slurry for use in deep oil or gas wells - is mixt. of blast furnace cement and fly ash, which is not impaired by solns. of magnesium salts
Inventor: MAIKRANZ ERHARD
IPC: C04B28/08
Filed: 1979-08-29
Abstract: The slurry is made from a mixt. contg. portland cement, esp. blast furnace cement, as a hydraulic binder. To improve the setting of the slurry in the presence of Mg salts and their solns., and to increase the resistance of the solidified cement to such materials, an addn. of 10-70 wt.% (based on dry wt.) of EFA filler is made to the cement mixt. The pref. mixt. contains 65% blast furnace cement and 35% EFA filler. The EFA filler is a vitreous fly ash obtd. in electrofilters through which waste gases flow after burning coal at 1600- 1700 deg. C in power stations. The fly ash contains SiO2, Al2O3 and Fe2O3. The cement mixt. may also contain cpds. altering its density, flow and setting speed. Used in the cementing of pipes in very deep boreholes used for winning petroleum or natural gas. The mixts. is not impaired by Mg salt solns.
Patent DE-2938627-A1 (DE)
Title: Printing press chain and grip truck guide - has deflecting cam track to compensate fluctuating torque
Inventor: CHAY PHAN VAN DR ING
IPC: B65H29/04
Filed: 1979-09-25
Abstract: The chain and grip truck guide is for the sheet delivery mechanism of a printing press, having separate tracks for chains and trucks. The trucks are coupled by links to the chains, the latter being deflected at the delivery point. To compensate for fluctuations in driving torque in the travel direction between the sheet delivery and reception points, an equalising cam track is provided to deflect the trucks in relation to the chain or vice-versa.
Patent DE-2943282-A1 (DE)
Title: Vehicle tyre tread wear indicator - consists of colouring agent in tyre material at safety limit, giving visual indication
Inventor: WEHRLIN GUENTER FRIEDRICH
IPC: B60C11/24
Filed: 1979-10-26
Abstract: Method of indicating the amt. of wear of the tread of a vehicle tyre, uses a colouring agent in the material used in making the tyre. The outer region of the tread, is made of the ususl black/grey material. This is followed by a layer which can include a yellow pigment, and the remainder of the tyre is of the black/grey colour. This coloured layer includes the last two mm. of the tread, which forms the safety limit for tread wear. The wear of the tread to this limit is thus indicated with requiring special tread wear measuring devices.
Patent DE-3001701-A1 (DE)
Title: Recreational craft with bow-thruster - mounted on hinged frame to swing from position above water across stem to operating position
Inventor: ZIMMER JUERGEN
IPC: B63H25/46
Filed: 1980-01-18
Abstract: The bow-thruster for recreational craft is a conventional unit (8) complete with ducting, but supported by an outrigger-type formed frame (4,5) on hinges (6,7), allowing it to be moved between a position in front of and across the stem and its submerged operating one. Frame hinges are pref. mounted on the gunwale (3). The ducting (9) carries a load-transmitting fitting (12) engaging the keel (2) at least in the operating position, pref. a padded, V-section guide bracket. One or both frame arms may have projecting treads, for use as ladders, and the ducting a non-slip covering.
Patent DE-3005981-A1 (DE)
Title: Noise absorption for crushing plant at feed point - has spaced blocking elements designed as cutting tools operated alternately
Inventor: GROSS KLAUS
IPC: B02C18/16
Filed: 1980-02-18
Abstract: The noise absorption channel is for a crushing plant used to cut down plastic components etc. It is located at the feed opening of the machine. It has blocking elements which seal off the cross-section of the channel. The blocking elements are spaced a given distance apart. Some are designed as cutting tools, and operate alternately. They are mounted in a straight line. They can swivel around an axis. The control is a function of the power consumption of the drive motor.
Patent DE-3007883-A1 (DE)
Title: Metal foil lined plastic reclaiming device - yields plastic through stalk of sepg. screen-plates
Inventor: HAEBERLE WILHELM
IPC: B29C48/03
Filed: 1980-03-01
Abstract: A device to separate materials with different mpt e.g. for the reclamation of plastic waste, plastified in an extruder and coated with a metal foil, was described in the Parent Patent No.2837633. The sepg plates with their milled channels are now replaced by a stack of plain rings, alternating with undulating rings, between which the radial screen slots are formed. This results in a simplified low-cost mfr because the sepg plates now require no machining. The sepg efficiency is maintained, however, at the same high level.
Patent DE-3008621-A1 (DE)
Title: Overhead metal wire unwinding unit - used for wire of larger than 10 mm dia. from vertically positioned reel fitted with hawse and one or more guide rods
Inventor: BERVE JUERGEN DIPL ING
IPC: B65H57/18
Filed: 1980-03-06
Abstract: The unit is for the overhead unwinding of metal wire esp. of a dia. larger than 10 mm from a reel lying with the axis vertically and fitted with a hawse rotatable relative to the wire reel. The hawse (4) is positioned at a distance from the fully wound reel (2) and a rod (6) is located parallel to the axis of the reel at a distance from the outer circumferential surface and extending over the entire length. Two or more rods may be fitted at a distance from each other.
Patent DE-3011248-A1 (DE)
Title: Water heater using liquid fuels - has supply heat exchanger in the flue and water to water heat exchanger supplied by pump
Inventor: SWOBODA WALTER
IPC: F24H1/41
Filed: 1980-03-24
Abstract: The water heater consists of a heat exchanger with water tubes which is located in the path of hot flue gases. The heater has two burners which are controlled separately. Each of the burners has an atomiser and are supplied with combustion air from the single blower with divided outlet ducts to each burner. Fuel is supplied to the furnace through a supply valve. The hot water generated is stored in a drum and circulated through a pump to the second heat exchanger.
Patent DE-3014124-A1 (DE)
Title: Coke oven door cleaner - where jet nozzles are arranged on scraper device for cleaning knife
Inventor: TSUZUKI AKIRA
IPC: C10B43/04
Filed: 1980-04-12
Abstract: A coke oven door cleaner includes a vertical frame arranged to surround the door and mounting a pair of carriers which support radial cutters rotatable about horizontal axes extending parallel to the door sides. Scraper devices are pivotally mounted on each carrier and extend inwardly from an associated carrier. Jet nozzles mounted on the scraper devices are supplied with high pressure fluid for washing away the viscous tars present on the coke oven door. Powerful radial cutters scrape the tars while they rotate and are in pressure contact with the door surface. Edge scrapers equipped with jet nozzles are used for cleaning the knife edge and intermediate recessed inside surfaces where viscous tars have adhered. The cleaning operation is effected in a short period of time.
Patent DE-3019997-A1 (DE)
Title: Clock drive stepping motor with two-pole rotor - has stator pole cores arranged in axial direction and having pole surfaces flattened to match rotor radius
Inventor: MERKLE PAUL
IPC: H02K37/04
Filed: 1980-05-24
Abstract: A pulse-driven stepping motor has a two-pole motor and is suitable for use as a clock drive rotating at approx. one-sixth of a rev. per second. It is supplied from, e.g. 50Hz mains, and arranged so that the motor does not hunt at the frequency of rotation. The stator pole of the motor comprises pole cores arranged in an axial direction and whose pole surfaces are formed by flattened surfaces, the latter pref. matching the radius of the rotor.
Patent DE-3021570-A1 (DE)
Title: Vehicle number plate embossing tool - has spring catch engaging with previously embossed edge of plate
Inventor: UTSCH GERHARD
IPC: B44B5/02
Filed: 1980-06-07
Abstract: The embossing tool is for motor vehicles number plates. It comprises two plates of fibre-glass-reinforced plastics with bosses and recesses for the letters and numbers, movable towards each other on guide pins against spring action. One of the plates (2,3) of the tool (1) has a spring catch (10), engaging with the previously embossed edge (13) of the number plate (9). The catch can be a tongue (12) in one piece with the respective plate, and which is a clearance fit in a recess (11) in the plate.
Patent DE-3022558-A1 (DE)
Title: Girder or column fireproof sheath - has insulating coating and interlocking edges on mineral wool type panels
Inventor: DONNER SIEGFRIED
IPC: E04B1/94
Filed: 1980-06-16
Abstract: Low intrinsic weight, easy assembly, and resistance to stress resulting from building settlement, are features of fire-protective sheathing for girders, columns or other load bearing structural elements. Panels of mineral wool, or similar, fitting against the structural element, are coated with an insulation-forming layer, at least on the surfaces facing away from it. Profile sections which can be brought into engagement together are formed on their interfacing edge sections. These may be cemented together. One section may have a groove in it, for insertion of a stem piece on the next section. Grooves and stem pieces may be dovetailed in shaoe.
Patent DE-3022568-A1 (DE)
Title: Form for constructing concrete walled coal bunker in mine - has spiral core segment outside rings making up cylinder
Inventor: HUNGERBACH PAUL
IPC: E21F13/04
Filed: 1980-06-16
Abstract: The form cylinder for the inside surface of the concrete wall, and a spiral core for the spiral, are incorporated in formwork used when housing a bunker shaft with a spiral formed into the concrete wall. It is for a bunker for bulk material, esp. coal, used in underground mining. The cylinder is divided into two or more rings (4a,4b) for setting alternately on each other. On the outside each ring has a spiral core segment (5a,5b), permanently joined to it, with an identical cross-section in the abutting surface area (6) of segments which continuously interweave when rings are set on each other and aligned.
Patent DE-3026971-A1 (DE)
Title: Switch control extension arm - fitting into funnel gripping control knob of electrical equipment
Inventor: EDENHARTER GEORG
IPC: H01H3/12
Filed: 1980-07-16
Abstract: The unit comprises an extension shaft (6) and a funnel grip (13). The funnel unit (13) has external friction grips (15) of a stepped and fluted profile which grip the internal circumference of the various drive knobs (5) used on equipment. The central bore of the funnel (13) has a cross-sectional grip to slide onto and hold firmly the various shafts of components and also the extension shaft (6) itself. Other ends of the extension shaft (6) fit into flexible holders (7) on the components (2,3) in this instance a circuit breaker (2) with reset switch (3) mounted onto a chassis wall (1). The funnel unit (13) is of a thermoplastic material.
Patent DE-3030038-A1 (DE)
Title: Welding appts. using alternating current power supply - using transformer with increased magnetic leakage and capacitor to reduce electric power consumption
Inventor: LEBEDEV VLADIMIR KONSTANTINOVI
IPC: B23K9/10
Filed: 1980-08-08
Abstract: An ac power supply is fed through the prim. winding of a transformer with increased magnetic leakage; the sec. winding of the transformer is connected to an electrode and the workpiece being welded. An idle- or reactive- power unit is formed by connecting a capacitor in series with either the prim. or the sec. winding, so an LC series oscillation circuit is obtd. The LC series oscillation circuit is tuned so that, at resonance, its frequency is very near that of the a.c. power supply. When the capacitor is in series with the prim. winding, it is pref. protected by a by-pass circuit contg. two Zener diodes connected in opposition. This is a simple method of producing high electrical efficiency, i.e. power consumption is reduced. The stability of the arc is improved.
Patent DE-3032784-A1 (DE)
Title: Valve with pyrotechnic charge - is for seal actuation and has charge located in seal control piston
Inventor: BENDLER HELMUT
IPC: F16K17/40
Filed: 1980-08-30
Abstract: The valve has a housing with inlet and outlet ports. The inlet is connected to a pressure source, and has a sealing unit. The sealing unit is fastened via a connection element to a piston, which is axially displaceable in a housing bore. The unit is actuated by an electrically ignited pyrotechnic charge. The charge (9), e.g. cartridge, is located in the piston (8). The space between the front face of the piston, when in its front end position, and an opposite surface of a housing aperture (1) accommodating the piston, is connected via a passage (11) in the piston to the charge. The two surfaces are pref. conical, and at a small relative distance.