baber/WOPTO huggingface dataset:
Patent DE-2235889-A1 (DE)
Title: Heat-shrinkable silicone-rubber compsn - used for prodn of shaped goods
Inventor: YOKOKAWA KIYOSHI
IPC: C08L83/04
Filed: 1972-07-21
Abstract: The compsn. consists of (1) 100 pts. wt. diorgano-polysiloxane-crude rubber of the general formula:- RaSiO4-a/2 where R is an opt. substd. monovalent hydrocarbon radical and the radical is composed of 0.05 to 0.5 mol. % of vinyl groups and >=50 mol. % of methyl group residues and has a mean value of 1.9 to 2.1; (2) 15 to 70 pts. of organopolysiloxane resin of softening temp. 70-150 degrees C. expressed by teh general formula:- (CH3)b(C6H5)c(CH2=CH)dSiO4-b-c-d/2 where b is 0.3 to 1.0, c is 0.3 to 1.5, d is 0.001 to 0.05 and b+c+d is 1.2 to 1.8; (3) 0.1 to 10 pts. of organohydrogen polysiloxane of general formula:- (H)e(R')fSiO4-e-f,/2 where R' is a monovalent hydrocarbon radical, e and f are positive integers, e >=0.5, e + f is 1.0 to 2.1; (4) 10 to 60 pts. of inorganic filler substance; and (5) a catalytic amt. of Pt gp. catalyst.
Patent DE-2250446-A1 (DE)
Title: Sewage sludge treatment - by separating into fractions with coarse and fine solids and stabilizing the latter by digestion
Inventor: RUDAT WILLI GEORG
IPC: C02F11/13
Filed: 1972-10-14
Abstract: The sludge from a sewage treatment plant is screened to remove fibres and coarse particles and the underflow is separated into two phases. One is enriched with inorg. solids. The screening operation can be saved if the sludge is separated in one stage into a first fraction with the fine solids. The latter is then subjected to stabilization.
Patent DE-2256833-A1 (DE)
Title: Continuous surface pickling plant - uses displaceable nozzle groups in spray cabin and filtered recycled solution
Inventor: SPAETH WALTER
IPC: C23G3/00
Filed: 1972-11-20
Abstract: A pickling plant for sheets and sections of constructional steel for surface treatment prior to phosphating includes a roller table which transports the workpieces through a spraying cabin, surrounded with spray nozzle banks. All spray nozzles are uniformly distributed in an area parallel to the roller tube axis; some of the nozzles are mounted on carriers which can be displaced at right angles to the roller table axis. A tray collects the runoff pickling soln. and passes it through a filter into a heated tank. A pump recycles it back to the spray nozzles.
Patent DE-2265010-A1 (DE)
Title: Furniture hinge with leaf-mounted recessed socket - has side wall plates reaching into recesses perpendicular to leaf plane
Inventor: LAUTENSCHLAEGER JUN KARL
IPC: E05D3/06
Filed: 1972-04-21
Abstract: A socket is recessed into the door leaf and contains two side plates within it, onto which the hinged arms are pivoted, this design aiding exact location of the arm ends within the socket. The recessed socket (5) contains two side plates reaching into slip-shaped recesses (31), continuing in parallel slits (32) within the bottom of the recessed socket into which the edge parts of the side walls fit in, when the door is closed. The leverage of the hinge can also be designed as knuckle joint fitted with a spring acting in direction of the door closing movement.
Patent DE-2325655-A1 (DE)
Title: Regulating injection operation - as a function of quantitative measurement of mould gap
Inventor: SONE TADATOSHI
IPC: B29C45/76
Filed: 1973-05-21
Abstract: A method of regulating an injection moulding machine consists of measuring the gap produced during injection between the half moulds, of comparing the reading with a permissible reference value and of adjusting the injection operation accordingly.
Patent DE-2332422-A1 (DE)
Title: Air humidifying evaporating filter - has movable interdigitating plastic filter frame laminations
Inventor: LEUSCHNER UDO
IPC: F24F8/125
Filed: 1973-06-26
Abstract: The evaporating filter is designed to give long service and to allow simple removal of scale deposited from hard water. The filter consists of two sets of laminations of plastic frames with a textured or gridded mesh. The sets are fitted to opposing end plates so that the frames of one set interdigitate with those of the other set. They are attached to a mechanism which can move them relative to one another so that deposited scale is removed by friction. The movement can be purely mechanical or thermal using expansion and contraction of structural elements.
Patent DE-2332568-A1 (DE)
Title: Hand held marker tool - marks through pressure supplied by jaws without use of inks
Inventor: BRAUN JUERGEN
IPC: B41J3/39
Filed: 1973-06-27
Abstract: This marker works without ink or colours. It is a hand tool in the form of a pair of pliers where one side has an anvil with marks, letters or figures on it and able to rotate to put the right mark underneath the other side which is used as a sort of hammer. By applying pressure on the handles after a label has been put between them, the mark is transferred on to the label.
Patent DE-2336029-A1 (DE)
Title: Regenerating absorber contg solvents and volatiles - using steam, followed by hot air drying and burning of volatiles
Inventor: FISCHER FRIEDRICH DIPL-CHEM
IPC: B01D5/00
Filed: 1973-07-14
Abstract: Adsorption agent contg. solvents and/or other volatile organic cpds are regenerated, whilst preventing emissions to atmosphere when the regenerated adsorption agent is dried and cooled with air, by first passing stream through the adsorption bed, and then condensing to recover useful impurities, drying the bed and/or cooling by air, and then passing to a combustion unit, where the solvent vapours and other organic cpds are burnt. The heat of combustion may be utilized to pre-heat air to be passed to the adsorber. Combustion may be either catalytic or thermal.
Patent DE-2339587-A1 (DE)
Title: Transportation by rolling of railway wheel sets - using conveying platforms with catches for maintenance- or manufacturing workshops
Inventor: KOERNER WILHELM
IPC: B65G25/04
Filed: 1973-08-04
Abstract: The wheel set to be transported is held by hingeable catches, and advanced. The catches are located at a distance to each other, which is smaller than one transportation stroke. The catches may be lowered to below rolling plane, but are locked in the opposite direction. The conveying element contains a connecting rod, extending parallel to the plane in the direction of the transportation. The rod, which carries the catches, is guided in curved sections in an upward inclined direction.
Patent DE-2342153-A1 (DE)
Title: Supply voltage compensated direction flasher circuit - has zener diode controlled compensating winding on control relay
Inventor: MEYER DIETER
IPC: B60Q1/38
Filed: 1973-08-21
Abstract: The direction flasher is operated by an astable circuit and a selector switch. A control relay operates a dashboard lamp so long as there is sufficient current in the circuit, with non operation of the lamp indicating a flasher bulb failure. In order to compensate for battery voltage fluctuations, compensating windings are provided on the control relay with the current to the windings taken from two back to back zeners in series with a variable trimming resistance. The zener voltage corresponds to the lowest voltage of the supply and ensures that the dashboard lamp operates over a range of supply voltages.
Patent DE-2345840-A1 (DE)
Title: Electronic ignition system for IC engine - has distributor shaft driven generator in place of contact breaker
IPC: F02P3/08
Filed: 1973-09-12
Abstract: The ignition contact breakers are formed as an electrical generator, the distributor shaft carrying the rotor. A stator, pivotable relative to the rotor, (for timing purposes) contains two coils whose windings are opposite to each other, so that together with two diodes, two positive half waves are produced each crankshaft revolution. The positive half waves are timed to trigger a thyristor via protecting zener diodes. When the thyristor become conductive the capacitor discharges into the primary ignition coil winding to induce a high tension voltage into the secondary winding for the ignition spark. The capacitor charge is produced by an astable trigger stage, to transform the working tension, to a square wave voltage, and a voltage amplifier.
Patent DE-2348605-A1 (DE)
Title: Mono- and multicolour copies - produced xerographically from transparent or opaque originals
Inventor: GRASER HARALD DR
IPC: G03G13/01
Filed: 1973-09-25
Abstract: Prodn. of mono and multi colour copies of transparent or opaque articles using a xerographic method by (a) first preparing three colour prints i.e. one red, one green, one blue and one black and white print on photographic paper or corresp. material, (b) placing the various prints so obtd. successively in xerographically accurate, superimposed position whereby the three colour image as well as a black and white image are photo copied. Special plates are used for the process in which the photo layer is applied on a white lacquer background and is suitable sensitised for red, green and blue, the remaining plate for black being unsensitised.
Patent DE-2349886-A1 (DE)
Title: Steering-column indicator switch for motor vehicles - has lever operating switch-position ratchet having two spring-loaded opposing balls
Inventor: MUTSCHLER ERICH
IPC: H01H21/50
Filed: 1973-10-04
Abstract: The indicator switch, for a motor vehicle steering column, has a switch member around the steering column and operated by a lever. The switch member engages via a ratchet with a stationary part switching curve. The switching curve is formed by two concentric arcs against which the switch member ratchet elements act radially. The ratchets consists of two spring loaded balls pressed outwards against the switching curves by a single helical spring. The helical spring is enclosed in a short tube. The switching curves are shaped to give the required switch positions. The seating of the ring of the connecting device is not solely loaded and therefore avoids a bevelling and clamping of the device.
Patent DE-2366057-A1 (DE)
Title: Endless transport and buffer conveyor - has chain sprockets moved in transverse direction by drive with counterweights
Inventor: HINNER FRANZ
IPC: B65G1/127
Filed: 1973-07-14
Abstract: The endless conveyor is for the transport and buffer storage of piece goods between loading and unloading stations, having a pair of chains with mountings for the items, running over sprockets and between the stations. The sprockets are moved in the transverse direction by a drive incorporating counterweights, being locked by the drive to secure the chains in the loading and unloading positions. The mountings run at right angles to the chains, and the return loops of the chains between the separate drives, for the loading and unloading sides are stationary, being so arranged as to accommodate nearly the entire chain length in a zigzag pattern over a short length in a confined space.
Patent DE-2405432-A1 (DE)
Title: Casting moulds and cores prodn - by drying mixt with dextrin and/or bentonite by passing dry/hot air
Inventor: HOFMANN FRANZ DR PHIL
IPC: B22C9/12
Filed: 1974-02-05
Abstract: In a system for the prodn of moulds and cores for foundry purposes, granular particles and water are mixed with binders which are either water soluble or swell in water or are dispersible in water. This mixt is introduced in a moulding or core box and finally dried to the desired dry strength by passing air through it. Air with 20% relative humidity heated to 50-300 degrees C is passed through either by using compressed air of 1-6 atm press. or by a vacuum of 50-500 Torr.
Patent DE-2406931-A1 (DE)
Title: Storage of information for data-processing - using magnetic tape cut up into card-sized carriers held in cassette
Inventor: WESEMANN HANS-JUERGEN
IPC: G06K13/08
Filed: 1974-02-14
Abstract: The arrangement for storing information, particularly for use in data processing, comprises a cassette holding card type information carriers. These are held in position by a spring loaded lever and can be removed from either end of the cassette by one or other of two removal mechanisms. Each mechanism consists of a removing roller several transport rollers and a roller to return each card to the other end of the cassette. A combined read/write head is arranged near to the point of exit of the card from the cassette. Nozzles in the removal mechanism exert air pressure or suction to carry the cards forward.
Patent DE-2413360-A1 (DE)
Title: Salvage method for wrecks in shallow waters - has dam constructed around wreck and water pumped-out
Inventor: RIXEN BRUNO
IPC: B63C7/00
Filed: 1974-03-20
Abstract: The salvage method is suitable for canals, harbour entrances, etc. It consists of a dam, which is built around the wreck, and the water is subsequently pumped out of the enclosure. The dam is constructed from soil, and the dam width is dimensioned, so that the speed of the water penetrating from the outside is not sufficient to endanger the stability of the dam during use. The dam is preferably linked to the shore or mainland by a connecting bank which assists the carrying out of operations on the sunken vessel by providing access.
Patent DE-2418466-A1 (DE)
Title: Dough feed conveyor for kneading machine - has trough section with separate endless belts for bottom and sides
IPC: A21C3/00
Filed: 1974-04-17
Abstract: Parent patent describes the automatic dough supply to a dough dividing and kneading machine consisting of an endless belt conveyor with a jockey pulley acting as a dough sensor. Limit switches actuated by the jockey pulley control the belt conveyor drive. The conveyor system now includes, in addition to the horizontal bottom belt, two vertical side belts with a slight inclination to produce a trough-shaped cross-section. The side belts can be driven jointly with the bottom belt, or they can run freely without individual drive. This reliably prevents any tearing of the paste or dough before it reaches the roll assembly. Friction on the side walls cannot deform the dough charges.
Patent DE-2419902-A1 (DE)
Title: Cable coiling equipment including guide - has bar support fitting tight into U-section cover
IPC: B65H75/36
Filed: 1974-04-25
Abstract: The length of the cable guide between the ends is variable, and a bar-shaped support (5) for the coil is a press-fit into a U-section bar (4) covering the coil. Both support and bar can be of plastic, with elastic sides (6-9). The height of the support sides (8, 9) can be less than that of the bar sides (6, 7), and the support can be shorter than the bar. The U-section part can be a cylindrical pot and the support a double-flanged spool, whose flanges have side portions fitting against the inside of the U-section part, and there can be a handle on the outside of the support.
Patent DE-2431669-A1 (DE)
Title: Conductor with braided and plaited insulation - uses material between braiding and plait which is melted during manufacture
Inventor: BODENBENDER CLAUS
IPC: H01B7/02
Filed: 1974-07-02
Abstract: The insulated conductor with braiding and with additional plait surrounding the braiding is characterised by that between the braiding (11) and the plait (13) a material (12, 14) is provided the melting temperature of which is higher than the working temperature of the line. The meltable material (12, 14) may be a flat ribbon (12) or a string (14) which is inserted parallel to the conductor axis or spiralling around the braiding. By heat treatment due to softening and/or liquidising the inserted meltable material runs between the plait (13) and the braiding (11) assisted by the capillary forces effective in the very small intermediate spaces.
Patent DE-2434985-A1 (DE)
Title: Map reading device for motorists - has endless band carrying successive map sections or separate map cards fed below viewer lens
Inventor: SAUTER GERHARD
IPC: G09B29/10
Filed: 1974-07-20
Abstract: The map is divided into a number of coordinate map areas, which are arranged one after the other along the length of a carrier band, or which are individually mounted and arranged in order. In the former case the band (3) can be passed between a supply and take-up roller (9, 9') either direction below a viewer lens (23), or the map cards can be fed in a selected order to the viewing unit. The latter also incorporates a light source (21) so that the carrier band (3) or map cards can be illuminated from behind. Pref. a central knob is used to rotate the supply and take-up rollers (9, 9') and hence feed the carrier band (3) below the viewer lens (23).
Patent DE-2440182-A1 (DE)
Title: Self loading container lorry - with telescopic hoists and telescopic support struts
Inventor: KLAUS KASPAR
IPC: B60P1/64
Filed: 1974-08-22
Abstract: The container lorry is fitted with telescopic, upright supports fore and aft of the load with the upper ends of the uprights supporting telescopic rails which can be extended over either side of the lorry. The rails have the lifting frame for the container slung between them. This enables the load to be transferred to either side of the lorry with a minimum of headroom. For added stability, telescopic pivot struts are fitted to the bottom supports for the uprights. The supports are splayed out as far as possible, in the space provided, to stabilise the lorry during load transfer.
Patent DE-2442509-A1 (DE)
Title: Dark coating prodn. on electron tube cathode heater surface - using highly alkali-free metal oxide suspension, giving good ahesion
Inventor: HELD WALTER
IPC: H01J19/18
Filed: 1974-09-05
Abstract: In the prodn. of a dark coating on the surface of a heating element with an insulating layer for electron tube cathodes, in which a metal oxide suspension is applied to the surface of the insulating layer and the metal oxide is then reduced to a dark metal by high temp. thermal treatment in a H2 atmos., the suspension used is alkali-free to a high degree, esp. with a purity of 2 x 10-4 g alkali ions/g. Dark coatings with good adhesion and high insulation props. are obtd. The heating element with the dark coating is dipped in a silicic ester hydrolysed with water and acid, esp. Si(OEt)4 or Si(OMe)4, and then heated to 100-1000 degrees C in air, vacuo or a H2 atmos. The metal, e.g. Fe, Ni, Co, Cr and esp. Mo, is pptd. from its salt with an Al salt from aq. soln. with NH4OH, then calcined in air to the mixed oxide and reduced in H2 to a black powder, before or after coating on the heating coil. Alternatively, an alkali-free suspension is prepd. by dissolving salts or oxides of Fe, Ni, Co, Cr, Mo or esp. H2WO4 in a melt of an Al salt, esp. Al2(NO3)3.9H2O, calcined in air to the mixed oxide and reduced in H2. The insulating layer to which the dark coating is applied consists of Al2O3.
Patent DE-2442599-A1 (DE)
Title: Air deflection system for buses - has front bumper ends turned up to act as air guide vanes
Inventor: EBERHAGEN WOLFGANG
IPC: B62D35/00
Filed: 1974-09-05
Abstract: The front bumper bar consists of a centre section (7) and two end sections (9) which are bent upwards as far as the lower edge of the front windscreen to form a 'U' shaped unit. The end flanks serve to deflect the air from the comparatively steep sloping front of the vehicle to both side walls in order to decrease the dirt deposit. The up turned bumper bar ends replace the conventional air deflectors and offer additional protection to the body work. The direction indicators (11) may be fitted to the up turned bumper bar flanks.
Patent DE-2442991-A1 (DE)
Title: Dyeing of fabrics cong. polyester fibres in plain colours - on rotary film printing machines
Inventor: FEESS ERICH DR
IPC: D06B11/00
Filed: 1974-09-07
Abstract: Continuous dyeing of woven or knitted fabrics of polyester fibres and their mixts. with cellulose fibres or wool in plain colours or rotary film printing machines, in which the dye soln. is distributed across the whole width of the fabric through a perforated tube attached to the container, uniformly spread by a single or multiple squeezing by magnetic-controlled roll doctors, dried and fixed as usual. The roll doctor rests or a continuously turning rubber cover under which are fixed magnetic bars. Before or after printing, the fabric may be printed with a printing, discharge or reserve paste. The process is simple and cheap. The dye does not penetrate fully into the fibres, as in carrier dyeing, and hence a smaller amount of reducing agent is required when using discharge dyeing.
Patent DE-2445943-A1 (DE)
Title: Leaf spring mounting for twin axle - with lever coupling to centre support for maximum spring effect
Inventor: MERKLE JOSEF
IPC: B60G5/053
Filed: 1974-09-26
Abstract: The twin rear axle assembly has two tandem, rigid axles (7, 8) linked by the ends of leaf springs on each side of the vehicle. The centre of each leaf spring assembly is rigidly fitted to a vertical lever whose upper end is connected to the chassis by an elastic mounting (10). The rigid axles are further linked to the chassis by dampers (18). The lever connection to the leaf spring enables a maximum length of the leaf spring assembly so that it does not have to extend over the rigid axles. It also enables lateral forces to be absorbed without damaging the leaf spring supports.
Patent DE-2448485-A1 (DE)
Title: Mixing valve for domestic water installations - operates at low and high flows for any temperature control
Inventor: DELKER WILFRIED DIPL ING
IPC: G05D23/13
Filed: 1974-10-11
Abstract: The mixing valve has a controller (10) which meters small quantities of hot water. The corresponding valve (32) is siezed such that even when minimal quantities of hot water are required to be added, the system will allow constant quantities of water to flow. This will remain constant until the control knob (46) is moved. The two water flows are mixed in the discharge, where the bi-metal strip (7) and (14) is controlled by the spring (16) and the spring (9) through the valve sleeve (8). Total flow is controlled from the outer top (34) which operates on the central spindle to vary the flow of incoming water.
Patent DE-2456617-A1 (DE)
Title: Caseless ammunition cartridge - having ribbed bullet with propellant on each side of guide rib
Inventor: COOK RALPH L
IPC: F42B5/184
Filed: 1974-11-29
Abstract: Caseless ammunition cartridge consists of outer cylinder of smokeless compressed powdered propellant. This has a firing charge at the base. The bullet has a tapered nose and has a flight guide rib with inclined leading and trailing faces. The inner bore of the propellant cylinder is smaller than the outer dia. of the rib beside the trailing face of the flight guide rib so that the leading face is embedded in propellant, is for use in firearms. The presence of propellant on the leading face acts to slightly retard the acceleration of the bullet up the muzzle and imparts a steadier momentum to it. This gives improved life to the gun and better ballistic properties to the bullet.
Patent DE-2460584-A1 (DE)
Title: Single axled trailer road sweeping machine - has brush mechanism with height adjustable, and surface scanning control wheels
Inventor: WIEDENMANN GEORG
IPC: E01H1/04
Filed: 1974-12-20
Abstract: The road-sweeping machine is of the type designed as a single-axled trailer to be towed by a small tractor and incorporates a power-driven brush device rotating against the direction of travel, sweeping up rubbish to be collected in a container, fixed on the chassis. The brush device (a) is mounted so that its height can be adjusted relative to the chassis (2), with control for this pref. provided by a road surface scanning device (16), in the form of wheels which may be on both sides of the brush, braced against the housing unit (8), which may be height-adjustably mounted on the frame. This is easily operated, sweeps effectively, and is not hampered by weight compensation considerations.