baber/WOPTO huggingface dataset:
Patent DE-2228446-A1 (DE)
Title: Electrophotographic photoconductor - by polycondensing formaldehyde and polynuclear carbocyclic aromatic cpd in dioxan using
Inventor: LOEHR BERND DR
IPC: G03G5/02
Filed: 1972-06-10
Abstract: Photoconductor is prepd. by (a) reacting formaldehyde or paraformaldehyde and >=1 polynuclear, carboxylic opt. substd. aromatic cpd. at 80-100 degrees C in dioxan in the presence of perchloric acid as condensation catalyst, (b) precipitating the polycondensate with a mixt. of THF and a lower aliphatic alcohol, pref. methanol and (c) filtering, purifying and drying the precipitate. Pref. the photoconductor consists of repeating uncrosslinked units of formula I and/or II. (where X' and X2 are each H, alkyl, alkoxy, or halogen pref. chlorine or bromine; X3 and X4 are each alkyl, alkoxyl, or halogen pref. Cl, or Br and n is 6-10). The photoconductor is cheap, soluble in suitable solvents, and has excellent light sensitivity, flexibility and bonding properties.
Patent DE-2236080-A1 (DE)
Title: Binder for magnetic recording material - derived from a polyurethane and a hydroxylated polymer
Inventor: BRUECK ROLF DR
IPC: C08G18/38
Filed: 1972-07-22
Abstract: A binder for magnetic recording material comprises a react. prod. of (I) an BCO-prepolymer (mol. wt. 500-6000, pref. 1500-4500) derived from an org. diisocyanate and a deficient amount of a polythioether polyol; with (II) a synth. film-forming polymer contg. OH-gps., e.g. a 91/3/6 PVC/polyvinylacrylate/PVA/copolymer. Advantages include sufficient visc. to prevent sedimentation and sepn. of any pigment used; applicable by conventional coating methods; high coating and drying rates; the magnetisable pigment may be easily magnetically oriented in the still-wet lacquer without superficial distrubance; the binder reacts chemically during drying being converted into a high polymer. Plasticisers may be present.
Patent DE-2305363-A1 (DE)
Title: 2-pinanol prodn - in presence of base by oxidn of pinane
Inventor: RISO ROCCO R
IPC: C07C35/28
Filed: 1973-02-03
Abstract: Title process takes place at 80-120 degrees C using 5-15 wt.% based on pinane of alkali(ne earth) metal hydroxide, alkali metal alk- or aroxide NH3 or NaNH2.
Patent DE-2316250-A1 (DE)
Title: Deep drawn cellulose fibre mouldings - made with transverse or vibrating mould motion to prevent cracks
Inventor: ZILCH WERNER
IPC: B27N5/00
Filed: 1973-03-31
Abstract: The closure movement of the pressing mould has superimposed upon it >=1 motion perpendicular to it, esp. a motion in >=2 planes, typical superimposed movements being vibrating, oscillating and/or rotating movements. Pref. one half of the mould is suspended from the closure plunger by a linkage comprising a vibrating drive such as a double-acting hydraulic cylinder or revolving eccentric, the amplitude of the motion decreasing to zero as the mould closes completely. This method enables deep-drawn fibrous bonded mouldings to be made without cracks appearing in walls of difficult shape. Typically, the binding agent is a urea-formaldehyde resin.
Patent DE-2330871-A1 (DE)
Title: Two-way distributor valve for concrete mixtures - has elastic U-shaped diaphragm as valve flap
Inventor: JAUDT ANDREAS
IPC: B28C7/06
Filed: 1973-06-16
Abstract: Two feed ducts leave from the supply duct; one of them is covered by a valve flap at any given time. The diaphragm is held axially of the supply duct, in the plane of symmetry of the valve. Pref. the housing has an annual sealing flange in the region of the supply duct, and the semicircular upper edge of the diaphragm sealingly comes into abutment with this flange. The valve is reliable, and there is no reduction in cross section in the region of the valve.
Patent DE-2334725-A1 (DE)
Title: Circular storage silo with self supporting roof structure - has integral support rail for scraper beam rollers
Inventor: HERMANNS WILHELM
IPC: B65G65/06
Filed: 1973-07-07
Abstract: The self supporting frame work structure of a circular silo roof carries in its apex an interchangeable funnel above which the top end of a supply conveyor is located. When the silo is full, the material forms a conical heap. When the material is allowed to flow through the discharge hole in the centre of the silo floor, a circular heap which covers the floor area between the silo wall and the discharge hole has to be moved with a scraper. The lower end of the scraper beam moves in a circular path along the silo wall whilst its top end rests on a circular support rail which forms part of the roof structure. The scraper itself can pivot about its lower end by means of a pulley and cable arrangement located in the scraper beam. With this type of silo construction, no central support column is required, thus the problem of excessive foundation loading is removed.
Patent DE-2338746-A1 (DE)
Title: Key switch for program stores in radio and TV receivers - has electrodes on two opposite supports in switch pressure region with associated conductors
Inventor: BLUMANN WERNER
IPC: H01H13/702
Filed: 1973-07-31
Abstract: The switch has two opposite, insulating supports with electrodes in the region of the switching pressure, which can be mutually compressed for actuation of the switching proper. The pressure on the electrodes connects conductors ranged side by side in one of the supports. The support directly exposed to the switching pressure is of elastically deformable material. At least one electrode situated directly on one support consists of a resistance layer. Both supports may be formed by a flexible foil. The resistance layer is coated onto the foil in liquid or viscous state. Pref. the counter electrode is formed as the resistance layer, while the other electrodes may contain interleaved, comb-shaped electrode pairs in the form of printed circuits.
Patent DE-2339123-A1 (DE)
Title: Carburettor with thermostatic choke - has choke opened by component unaffected by heat acting against thermostat
Inventor: RICHTER DIETER
IPC: F02M1/10
Filed: 1973-08-02
Abstract: The carburettor has a thermostatically-controlled choke, held right open only when the engine is running and hot, and shut when the engine is cold. An unheated component, unaffected by temp., opens the choke against the action of the thermostat, and component and thermostat are so matched that when the engine is stopped and ambient temp. is high, the thermostat moves the choke out of the fully-open position. Choke and thermostat are connected together, after the choke has been fully opened, by a releasing CATCH with the unheated component engaging with the thermostat. The component can be a spring.
Patent DE-2351807-A1 (DE)
Title: Push-button door lock - is locked or opened by pushing or pulling in same direction as body movement and door rotation direction
Inventor: THUM KARL-HEINRICH
IPC: E05C1/14
Filed: 1973-10-16
Abstract: This lock is designed for eliminating rotating movements used on opening doors by a handle or a rotating knob. The objective of the invention is to orientate the mechanism of the door lock to simple body movements in agreement with the door movement direction. The movement from the push or pull handle is transmitted to the locking bolt by a pinion and a track or by means of a wedge. In the first case the handle actuates a rack which in turn actuates the pinion. This pinion engages with another gear wheel which in turn actuates another rack on the door locking bolt.
Patent DE-2353865-A1 (DE)
Title: Under floor electrical wiring system - uses voided square blocks which embody distribution or junctions or infill
Inventor: WEIS ERWIN
IPC: E04F15/024
Filed: 1973-10-26
Abstract: Under floor electrical wiring system affording complete layout flexibility and future adaptability employs voided square floor blocks contg. distribution points(20) or junction boxes(1) or simply functioning as infill(10). A known type of block with height adjustable feet contains one heavy(2) and one light current junction box(3), thereby constituting the junction box module(1); the boxes being located symmetrically about a diagonal and say a quarter diagonal length from a corner. The distribution module(20), of more durable material embodies reduced central membrane thickness to house a heavy and light current distributor (30). Blocks are laid to any designated layout and pref. infill blocks house sleeves facilitating cable passage.
Patent DE-2360123-A1 (DE)
Title: Flock adhesive labels - made by depositing adhesive and flock on nonstick surface
Inventor: MAAG ULRICH
IPC: B31D1/02
Filed: 1973-12-03
Abstract: Flocked adhesive labels are made by (1) laying a desired stencil pattern on a non-stick surface and adhesive-coating the stencil openings (2) applying fibres to the adhesive areas (3) laying a tear-off flexible carrier film on the flocked areas and removing the lable sticking to the carrier from the non-stick surface. The labels are cheaper than existing products and the method permits wide variety of design.
Patent DE-2361158-A1 (DE)
Title: Nitrided silicon mouldings treatment - to improved flexural strength esp at high temp., by impregnation with magnesium oxide or silicate
Inventor: GUGEL ERNST DIPL ING PROF DR
IPC: C04B35/593
Filed: 1973-12-07
Abstract: The flexural strength, esp. at elevated temp. of Si nitride mouldings, produced by nitriding a porous Si powder pressing, is improved by impregnating the surface with a soln. or melt contg. MgO or MgSiO3 or a substance forming these on heating and then pressing at 1600-1800 degrees C and pressures up to 500 kp/cm2. The moulding pref. is preimpregnated with water or an organic soln. and/or preheated. Impregnation pref. is brief but repeated several times and can be achieved by brushing. The moulding pref. is heated after each impregnation with a salt soln. or cooled and freed from adhering solidified melt residues after each impregnation with a melt. The process gives a prod. with a smooth surface and much better high temp. characteristics, esp. creep behaviour and resistance to attack by oxidising and corrosive media at high temp.
Patent DE-2363427-A1 (DE)
Title: Circular friction rings for brake or clutch plates - are attached to plate body with quick release elements
Inventor: BUSEMANN WOLFGANG
IPC: F16D65/12
Filed: 1973-12-20
Abstract: Flat ring shaped friction elements carry on one side equally spaced circular tapers which are pressed into matching holes in the friction plate body, thus firmly attaching the friction pad to the plate. With another method, the two friction elements on either side of the plate are clamped together with two shoulder bushes. When the bushes are assembled, they are held together by a spring clip. A third system uses sheet metal rings to which the friction elements are bonded. Lugs on the outside diameter of the metal rings are bent into matching recesses on the friction plate body when the two parts are assembled.
Patent DE-2401266-A1 (DE)
Title: Starter motor and ignition interlock circuit for I.C.E. - with starter and ignition relays controlled by single push button with oil pressure relay interlock
Inventor: BRENDEL BERTHOLD
IPC: F02N11/08
Filed: 1974-01-11
Abstract: Two main relays control the ignition circuit and the power circuit of the starter motor. A single push button operated relay activates both the starter and the ignition circuits when depressed. The starter relay also has a set of contacts coupled to ground. When the engine is running, the oil pressure attains a predetermined value and pressure switch opens, thus breaking the circuit across the starter relay. Operation of the starter relay at this point results in a break in the ignition circuit. When the engine has stopped the oil pressure relay closes and operation of the starter results in the engine re-starting.
Patent DE-2410321-A1 (DE)
Title: Safety vent for fuel tanks - has free moving weight to hold vent open dependent upon vehicles position
Inventor: ACHLEITNER AUGUST
IPC: F02D33/00
Filed: 1974-03-05
Abstract: The safety vent is an upright cylindrical housing with upper and lower unions of the fuel tank vent pipe connections. The housing centre section is of plastic and divides the housing by two discs into three chambers. Each disc has a boring to receive a valve disc shaft carrying a flexible seal unit to cover an annular channel in the chamber separating discs. A pressure spring is tensioned between the opposite facing disc valves. A free moving ball of such weight that it is able to overcome the spring tension and hold the first valve open is placed in the top chamber. The bottom chamber nearest the fuel tank is provided with a depression dependant vent. Should the vehicle turn over on its side or roof, the ball will roll away from the valve stem allowing the spring pressure to hold both valves closed to prevent fuel spillage.
Patent DE-2414115-A1 (DE)
Title: Compressed air gun - has high air pressure, low friction and smooth cocking
IPC: F41B11/683
Filed: 1974-03-23
Abstract: Compressed air gun with rigid barrel and cock lever activating low and high pressure pistons has the head piece as high pressure cylinder freely movable on a high pressure piston and has within it a low pressure cylinder movable on the low pressure piston, which is connected through the cocking lever with a valve, which on its front end has an axis with two control levers which, when firing, with their power arm, come against the curved piece and under action of the load arms push the head piece against the high pressure piston.
Patent DE-2416043-A1 (DE)
Title: Revolution-hyperboloid cable mesh structure - with corrugated sheet panels, shaped-section rails and clamped support elements
Inventor: SILBERKUHL WILHELM JOHANNES DI
IPC: E04H5/12
Filed: 1974-04-02
Abstract: The doubly curved cable network structure, esp. of the revolution-hyperboloid type, comprises generating cables, meridian cables and sheet panel curved sheathing. The panels are of corrugated sheeting with undulations and depressions running orthogonally to the meridian cables, and overlapping to lock onto those in adjacent panels. Shaped-section rails are attached to the panels along the sides parallel to the meridian cables, with an interval from adjacent rails which are united by means of attached bellows type shaped sections of rubber or plastic. The attachment devices are in the form of support elements with cable clamps, and with sheet attachment plates, clamped onto the meridian cables and joined to the sheet panels. All deformations that arise can be accommodated without difficulty, and the panels can be easily fixed to the structure.
Patent DE-2417238-A1 (DE)
Title: Computer-controlled monorail track roller-guided vehicle - has electromagnet displacing roller mounting sideways with pistons before direction change
Inventor: HARTUNG HEINZ
IPC: B61B13/04
Filed: 1974-04-09
Abstract: The monorail track has roller guiding led along one side. Before the vehicle changes course the roller mounting is displaced laterally with pistons, by switching on the electromagnet, with the roller concerned moving into the direction beam. The sliding socket is moved to the side by lever action, compressing the springs together. These, when stressed, press the beam with the roller to one side, so that the roller, which can be lowered, is drawn downwards in the sloping slot, by the roller in the roller mounting rotating abouts its axis. The vehicle then alters course. When travel on the main track is resumed, the whole process takes place in reverse, without the intervention of the electromagnet.
Patent DE-2419782-A1 (DE)
Title: Alkali-metal vapour generating boiler - operated to avoid excessive temp of heater tubes
Inventor: RAJAKOVICS GUNDOLF DIPL ING DR
IPC: F22B1/06
Filed: 1974-04-24
Abstract: An alkali-metal vapour generating boiler in which the gas used to hear the metal travels up vertical heater tubes. In the upper part of the heater tubes, i.e. in the zone level with the space in the boiler carrying the alkali-metal vapour, the gas temp., due to the cooling effect of the boiling liq. metal, is similar to the temp. of the tube wall on the gas side, i.e. the bore, at the bottom end of the heater tube in the region of the highest heat flux density. The bottom ends of the heater tubes are pref. provided with thermal insulation on the gas side, i.e. in the bore, esp. using a ceramic material. For use in potassium vapour boilers esp. for back-pressure processes in thermal power stations. Avoids excessive temp. and stress on the heater tubes so the mfg. cost of the boiler can be reduced.
Patent DE-2422131-A1 (DE)
Title: Fire extinguisher using fan to blow foam on fire - adapted to use same fan to blow away foam-generated poisonous gases afterwards
Inventor: STOESSER WILHELM
IPC: A62C3/02
Filed: 1974-05-08
Abstract: When the foam used meets the heat of the fire, poisonous gases are generated which have to be removed from enclosed spaces, such as cellars, and dispersed in the air. The invention applies to an extinguisher in which the foam is carried through a nozzle (4) and pipe (5) on a blast of air created by a motor-driven fan (1.2). The invention proposes the provision of another pipe (8) connected to the 'suck' side of the fan. When the fire is out, this latter pipe (8) is directed towards the former seat of the fire while the pipe (5) through which the foam passes is directed towards the open air, the fan then acts to deliver into the open any (poisonous) gas generated in extinguishing the fire.
Patent DE-2423166-A1 (DE)
Title: Suppression of crosstalk in telecommunications cables - by passing pairs of cores through magnetic rings in selected directions
Inventor: GUERKAYNAK ERDAL DR ING
IPC: H04B3/32
Filed: 1974-05-10
Abstract: The application is to the cancellation of magnetic and, or, capacitance coupling between symmetrically transposed cores, for example pairs or fours, in telephone cables. The desired effect is achieved by passing the conductors to be decoupled through a sheath or ring (51) of high permeability material. The conductors must pass through this ring, or series of rings, in mutually opposite or alternating directions. One or more turns may be made round the cores. The cores (a, b) in the main group (1) and, for example, phantom group (2) are taken through the core in opposed directions. A separate core is provided for each transposed conductor group.
Patent DE-2426205-A1 (DE)
Title: Concrete slab moulding plant - triple head construction to produce required surface finish
Inventor: RIKER RUDOLF
IPC: B28B11/08
Filed: 1974-05-16
Abstract: A device for surface preparation of concrete slabs moulded in horizontal forms, includes a wheeled carriage travelling over the cast slabs, with at least one levelling device (A) and a compaction and smoothing device (B) as well as a structuring machine (C) mounted on a single travelling framework of variable travel speed. The leveller (A) is so constructed that the unit surface (22) is cleaned by concrete fed into the internal structure of the unit under manufacture, whilst the compacter/smoother (B) traces circular or elliptical oscillations and the structure (C) is of brush or roll form. Further constructional and usage details are given.
Patent DE-2435338-A1 (DE)
Title: Continuous dia measurement method for hot and cold wires - uses HF magnetic field generated in secondary coil system
Inventor: FOERSTER FRIEDRICH DR PHIL
IPC: G01B7/32
Filed: 1974-07-23
Abstract: The h.f. magnetic field with high degree of uniformity is generated by a primary coil system, e.g. a Helmholtz coil system, so that a certain voltage is generated at the ends of the secondary coil, proportional to its dia. and number of turns. It is reduced by the wire whose dia. is to be measured. This reduction, except for a correction factor, is a linear function of the wire dia. The primary coil system, with or without a correction ring coil, is in the form of an oscillating circuit whose amplitude is maintained constant. The degree of uniformity of the Helmholtz coil system is improved for larger secondary coil dia. in the direction perpendicular to the coil axis by a ring coil between the Helmholtz coils.
Patent DE-2439070-A1 (DE)
Title: Mounting unit for flexible printing media on printing cylinders - has base cylinder rotatably coupled with axis-parallel printing cylinders
Inventor: BERTHELSEN ERNST RICHARD
IPC: B41F27/00
Filed: 1974-08-14
Abstract: The layout or base element is releasably fixed to the base cylinder by e.g. small permanent magnets or suction pads while the rear side of the printing medium is self-adhesively attached to the printing cylinder. Optical target elements project defined illuminated guide marks onto the base and printing cylinders or onto the base element and printing medium, e.g. a rubber stereotype. In this way points on the printing medium can have their locations brought into correlation with those of similar points on the base element. The base cylinder has a larger diameter than that of the printing cylinder. The transmission ratio between the base cylinder and printing cylinder is variable.
Patent DE-2446231-A1 (DE)
Title: Circuit card for electronic components - has bushes for circuit connections and there is a matrix of conducting strips
Inventor: JAEGER EGON
IPC: H05K1/00
Filed: 1974-09-27
Abstract: A circuit card for the mounting of electronic components allows modifications to circuit configurations to be made without the need to modify the circuit card. The card (5) is manufactured from a suitable insulating material and has a matrix of conducting strips in the form of rows (11) and columns (12). A matrix of holes (13) are located in the spaces between the conductors are sized to receive a push fit bush (14) that carries a conducting coupling that establishes a connection between parallel strips. One pair of conducting strips are isolated (16, 17), from the remaining ones and act as supply conductors. Standard carrier modules plug into the circuit card holes enabling any configuration to be readily established. The matrix of conducting strips are located on both surfaces of the card.
Patent DE-2447032-A1 (DE)
Title: Sales display rack for transparent blister cards - has identification board attached by hinges and carrying details of price of goods
IPC: A47F1/12
Filed: 1974-10-02
Abstract: The sales display holder comprises a holder plate which is to be attached by hooks or the like to a stand and which on its facing side supports a support arm (2) which is to pass through the fastening holes provided in the upper part of the display packet card (3). A second arm (5) is mounted parallel above the support arm (2) so that it does not impede the positioning and movement of the packets (3) along the support arm. The second arm (5) is also fastened to the plate and protrudes slightly beyond the support arm (2) at the free end. The free end of the second arm (5) supports an identification board (6) which is attached by hinges (7) and contains details and price of the goods contained in the packets behind.
Patent DE-2449859-A1 (DE)
Title: Throughput regulator for fuel injection pump - has intermediate and main operating levers separated by leaf springs
Inventor: HOEFER GERALD
IPC: F02M41/12
Filed: 1974-10-19
Abstract: The pump has a casing (1) containing a fuel suction chamber (7) and a cylinder (2) within which a piston (3) slides and rotates. The piston has an internal passage (8) through which fuel is discharged. A sleeve (16) round the piston allows excess fuel to return to the suction chamber and its position determines the quantity delivered. An auxiliary lever (18) pivoting on a pin (19) has one end in a groove in the sleeve (16) and the other resting on the sleeve (27) of a centrifugal governor (23). A main lever (30) also has one end in the piston sleeve (16), pivots on the same pin (19) and has the other end attached to a main regulating spring (33). A leaf spring (39) is placed between the main and auxiliary levers (30, 18).