baber/WOPTO huggingface dataset:
Patent DE-2116454-A1 (DE)
Title: Tubular resistor element
IPC: H01C17/00
Filed: 1971-04-03
Abstract: A homogeneous mixture of conducting/semiconducting, insulating and binder particles, is vibration densified in a tubular mould tool mounted vertically on a combined vibrator/centrifuge and then externally heated to curing temp. whilst being spun so that the heavy conducting and filler particles form an outer layer, the molten binder being forced to flow to form an inner skin. The element is cooled through the walls of the mould tool core so as to cool it at the same rate as the mould tool, to room temp. 100 p.b.w. of finely powdered epoxy resin with hardener, 100-150 p.b.w. SiC and 40-45 p.b.w. of SiO2 or Al2O3 filler are mixed. Curing is at 240 degrees C. and the mould is spun at approx. 3000 r.p.m. The mould tool walls are chromium plated or plastic coated.
Patent DE-2126637-A1 (DE)
Title: Impact injection moulding machine - with reciprocating plunger upstream of homogenising piston
IPC: B29C45/53
Filed: 1971-05-28
Abstract: An impact-pressure injection moulding machine has a plunger reciprocating pref. at 220 - 340 strokes per mint. The prefd. arrangement comprises a metering chamber with slide valve, a strainer-type sleeve and a homogenising section.
Patent DE-2135666-A1 (DE)
Title: Cycloalkylidene - acetonitriles prodn - by condensing cycloalkanones with acetonitrile
Inventor: LEUPOLD ERNST
IPC: C07C255/45
Filed: 1971-07-16
Abstract: Prepn. of cycloalkylideneacetonitriles (I) by reacting cycloalkanones with acetonitrile in the liquid phase in the presence of an azeotonitrile in the liquid phase in separate water and of catalytic amts. of alkali(ne earth) alcoholates, the alcohol component of which has a b.pt. which is higher (pref. by 50-150 degrees C) than the b.pt. of the lowest-boiling reaction component. (I) are of technical interest, since the activated double bond permits a number of reactions (e.g. Michael addition or similar reactions) leading to useful products (e.g. pharmaceuticals). Single-stage process (intermediate beta-hydroxynitriles not isolated). Alcohol from alcoholate catalyst does not distil from the reaction mixture, so that separated water is not solubilized.
Patent DE-2143159-A1 (DE)
Title: Shuttle control - with constant-drive cam operating with brake and clamp system
IPC: D03D41/00
Filed: 1971-08-28
Abstract: Designed for the prodn of woven or netting materials from metal wire, a braking and propulsion unit is mounted at each end of the race board to trap the shuttle, load the weft wire, and impek it back across the loom. The brake and shuttle clamp systems operate with a control cylinder, while a cam under constant drive is lowered into contact with the shuttle to drive it back across the loom and carry the weft wire with it. Provides a simple system which can develop metal materials of a variety of widths.
Patent DE-2202203-A1 (DE)
Title: Treating plants with polyurethanes - in aq dispersion or soln to increase growth and promote early flowering and fruiting
Inventor: EHRIG BODO DR
IPC: A01G7/06
Filed: 1972-01-18
Abstract: The growth of food and ornamental plants on synthetic substrates is increased, and early flowering and fruiting is achieved, by allowing aq. dispersions or solns. of polyurethanes to act on the plants or on their environment. Among plants which can be treated are lettuce, cucumber, radishes, chives, celery, tomatoes, beans, rice, tobacco, cotton, begonias, tulips, dahlias and many shrubs; carnations, ferns, cyclamen and pineapple are esp. treated in this way. Considerable increase in prodn. is achieved.
Patent DE-2203327-A1 (DE)
Title: Powder coating binders - three - component based on acrylate resin aminoplast resin and binder have low firing temp
Inventor: DIEFENBACH HORST DR
IPC: C09D5/46
Filed: 1972-01-25
Abstract: The binder comprises (A) a (meth)acrylate of (a) 10-90 wt.% >=1 acrylte of a 1-20C alcohol (b) 90-10 wt.% >=1 methacrylate with 1-6C alcohols and/or vinyl aromatics and (C) 2-50 wt.% olefinically unsatd. monomer (not (a) or (b)) (a) + (b) being 100%, (B) a condensate of melamine, benzoguanamine and/or urea and formaldehyde and (B) a binder of softening pt. 60-120 degrees C melt viscosity (at 120 degrees C) 300-10000P its viscosity not reaching >10000P after 3 mins. at 120 degrees C. The powder coatings produced from this binder are used for metal parts e.G. steel and have low firing temps. high gloss and elasticity. The amt. of (A) is 50-96 wt.% of (B) 4-50 wt.% and of (C) =15 wt.%.
Patent DE-2217577-A1 (DE)
Title: Magnesia-contg phosphate fertilisers prodn - by granulating thomas phosphate with a magnesium salt hydrate melt
Inventor: SINGEWALD ARNO DR ING
IPC: C05B19/00
Filed: 1972-04-12
Abstract: MgO-contg. phosphate fertilisers are produced by granulating Thomas phosphate with a melt of >=1 neutral and/or basic Mg salt hydrates at above the m.pt. of the hydrates while adjusting the P2O5:MgO ratio to 1:0.2-0.8 at a citric-acid-soluble P2O5 content of 10-15 wt%, and cooling the prod. without drying, and then screening. The melt, pref. with a dynamic viscosity of 8-25 cP, may comprise MgCl2.2H2O at 180-220 degrees C, MgCl2.6H2O at 120-160 degrees C, basic or neutral MgSO4.1-7 H2O or a double salt such as KCl.MgCl2.6H2O, KCl.MgSO4.3H2O or K2SO4.MgSO4. 4 or 6 H2O.
Patent DE-2245871-A1 (DE)
Title: Composite woodchips and thermoplastics extrusion - giving prod esp shea-thed in thermoplastic, impermeable to moisture and useful as skirting board
Inventor: BRAEUNING HELMUT
IPC: B27N7/00
Filed: 1972-09-19
Abstract: A method of making thermoplastically deformable semi-finished products of wood chips or grains and thermoplastic consists of (1) fine granular wood and plastics are mixed in a percentage wt. ratio of 50/90-90/50, (2) the mixt. is heated sufficiently to make sticky liquid, then alternately compressed and decompressed, e.g. in an extruder, with removal of gas and water mixtures during decompression (3) the mixt. is extruded. Pref. material for the core is a hard PVC (40 wt.) and beech chips. A final sleeve (esp. of soft PVC) may be fitted around the material as it passes through a heated chamber after extrusion.
Patent DE-2252322-A1 (DE)
Title: Hypodermic syringe - domed sealing diaphragm with intermediate corrugation is more easily ballooned onto needle
IPC: A61M5/28
Filed: 1972-10-25
Abstract: A hypodermic syringe has the beaded filling mouth of a barrel sealed by a domed thin elastic diaphragm. The dome is connected to a flange of the diaphragm by an annular portion. The flange is clamped to the mouth by a needle adapter with a skirt crimped to the bead and a crown into which the dome extends. Pref. in underformed state of the diaphragm, the connecting annular portion has an axial wall with radial connecting portions to the dome and flange, so as to define a radially inner groove facing toward the crown and outer groove facing toward the mouth. The portion facing the crown is bevelled. The diaphragm is more easily ballooned into piercing engagement with the needle than in the syringe of prior art.
Patent DE-2312854-A1 (DE)
Title: Fibre tow forming device - aligning fibres longitudinally
Inventor: BOEHME KLAUS DIPL ING
IPC: D01G99/00
Filed: 1973-03-15
Abstract: Device includes a pneumatic fibre converying duct having an opening in a wall below which is disposed a fibre draw-off set of rollers, the duct being provided with a fibre collecting surface which is disposed at right angles to the direction of withdrawal of the formed fibre tow.
Patent DE-2313021-A1 (DE)
Title: Cross-linkable adhesive - for paper metal foil and polymer films
Inventor: MCDONALD JOHN WILLIAM
IPC: C09J7/35
Filed: 1973-03-15
Abstract: Aq. cross-linkable adhesive dispersions contain 30-99% of an ethylene/vinyl acetate/alpha, beta-ethylenically unsatd. carboxylic acid, and 1-25% of a cross-linking amino-formaldehyde resin. They may also contain up to 45% of filler, and an NH4 salt of a mineral acid. The terpolymer pref. contains 60-90% esp. 65-80% of ethylene, 10-33% esp. 15-28% of vinylacetate, and 3-15% esp. 5-10% of unsatd. carboxylic acid. The adhesive may be applied to a support, pref. polyethylene, polypropylene, paper or Al foil, and is used for sticking paper, metal foils and organic films such as nylon or polyester.
Patent DE-2333898-A1 (DE)
Title: Resin encapsulated pupin coil cup-shaped casing - has pile of coils attached to insulating cover plate underside with external connection tags
Inventor: BUDICH HANS-PETER
IPC: H02G15/12
Filed: 1973-06-29
Abstract: The resin filled pupin coil cup-shaped casing has a top-plate of insulating material with a printed circuit and external connecting tags on the upper side. The coils are fixed to the underside of the plate by studs. The cover plate rests via a seal on an extended lip on the inside of the casing filled with a thermoplastic compound. The printed circuit on the upper side of the cover plate allows the coil wires to be connected, and provides for jumper wires to be connected to the external connecting tags on the board. The cover plate connection to the casing may be by clamping bolts, engaging aligned bores.
Patent DE-2334569-A1 (DE)
Title: Non-blocking salt or pepper pot - has reciprocable punch to clear holes, and bolts and holder ring for assembly
Inventor: SMOLAREK WALTER
IPC: A47G19/24
Filed: 1973-07-07
Abstract: Non-blocking salt or pepper pot has a conical elevation internally between the holes. Laterally there are bolts and at the head of the bolts a holder ring for the assembly, permitting the parts to be taken out and held by screwing in of the container for material to be sprinkled. Preferably the bolts are interchangeable. A punch can be reciprocated in its bore to keep the holes free, for use in damp conditions where the material tends to cake.
Patent DE-2336545-A1 (DE)
Title: Determination of depth of corrugation of metal sheath - is for application on cable core and provision of annular corrugations
Inventor: ASSELBORN PETER
IPC: H01B13/00
Filed: 1973-07-18
Abstract: The metal sheath, esp. of steel, which is to be provided with an annular corrugation, has a given diameter in its uncorrugated state. The circumference of the cable core to be sheathed is measured and the diameter of a circle of the same circumference is used as a criterion for the depth of corrugation of the annular corrugation. A measuring device to measure the circumference of the core at regular intervals has a flexible measuring tape, one end of which has a fixed suspension and the other kept under constant stress during measurement by a compressed-air cylinder.
Patent DE-2341175-A1 (DE)
Title: Differential manometer with colinear bellows pair - translation of piston linking two pressure bellows is converted to angular movement of indicator/control shaft
Inventor: REESE SEN WILLIAM M
IPC: G01L13/02
Filed: 1973-08-14
Abstract: A differential manometer, with a pair of colinear bellows each in a pressure chamber on opposite sides of a supporting plate which are in communication through an aperture in the plate through which passes a plunger connecting the outer ends of the bellows which can close the opening. The plunger consists of a pair of telescopic units which can be locked at any position to adjust the distance between the outer ends of the bellows. An output shaft perpendicular to the line of the plunger, extends outside the housing and is turned through an angle on any movement of the plunger through a pressure difference between the two bellows.
Patent DE-2341520-A1 (DE)
Title: Solar cell cigarette lighter - has limiting circuit to prevent battery overcharge, with photoresistor, zener and blocking diode(s)
Inventor: TREBER NORBERT
IPC: F23Q3/00
Filed: 1973-08-16
Abstract: Solar cell cigarette has solar cell(s) which can charge a battery, parallel to which is a limiting circuit, which contains a photoresistor place spatially near the solar cells. The limiting circuit may be a Zener diode, whose Zener voltage is less than the max. desired charging voltage of the battery. A blocking diode is inserted in the feed conductor to the battery. The Zener voltage equals the sum of the max. battery charge voltage and the blocking diode's forward voltage drop. The limiting circuit may be a transistor circuit, including a phototransistor, and is a voltage limiting circuit. Overcharging of the battery is prevented and electrical efficiency is good.
Patent DE-2344332-A1 (DE)
Title: Vinyl-alkyl(aralkyl, aryl)-phosphinic acid prodn. - be heating 2-hydroxyethyl-alkyl(aralkyl, aryl)-phosphinic acid and removing water
Inventor: KLEINER HANS-JERG DR-ING
IPC: C07F9/30
Filed: 1973-09-03
Abstract: Vinylphosphinic acid of formula (I) (in which R is a 1-18C alkyl, or an aralkyl or an aryl contg. 6-10C) is produced by heating the corresp. 2-hydroxyethyl-alkyl (aralkyl or aryl)-phosphinic acid at 120-300 degrees C, whilst water is removed from the reaction zone by known methods. (I) are inters in mfr. of antiflaming agents, corrosion inhibitors, plant-protection compsns., etc.
Patent DE-2345676-A1 (DE)
Title: Adhesive tape feeder for film splicing - has two rollers that impart V cross-section to tape to prevent sag
Inventor: NISHIMOTO KANICHI
IPC: G03D15/04
Filed: 1973-09-11
Abstract: The device includes an adhesive tape drawing means having, in combination, a first rotatable roller and a second or draw-out roller resiliently contacting the former and provided, on its circumferential surface facing the adhesive side of the tape, with saw-teeth made of an adhesion-resistant material. The adhesive tape feeder has in combination, a pair of feed rolls of which one roll has a conical-convex circumferential surface and the other roll has a conical-concave circumferential surface lined with a non-adhesive material. The rolls feed an adhesive splicing tape from its supply roll to a film connecting position without sticking to either feed roll and the tip of the tape is formed into a V-shaped configuration to prevent the tape from hanging down after it passes through the feeding means.
Patent DE-2350012-A1 (DE)
Title: Thermonuclear fusion reactor - with stabilised plasma equilibrium, obtd by an increasing field density towards vessel wall
Inventor: GENSWEIN ALFONS
IPC: H05H1/12
Filed: 1973-10-05
Abstract: Reactor for thermonuclear fusion processes, of toroidal configuration in which the torus-viewed from its core-comprises a series of concave vessel and winding sections and annular coils, producing a closed magnetic field running principally along the vessel wall, so that its density decreases in the direction of the torois core, (stable magnet inclusion). The so-called stellarator toroidal vessel configuration is provided with an addition magnetic field wound helically round the torus, only a metastable equilibrium position of the plasma is secured, which by the use of a field density increasing towards the vessel wall plasma stability can be achieved with minimum cost on circuit elements and current conductors.
Patent DE-2350217-A1 (DE)
Title: Programme memory with contactless signal transmission - used for working machines, and involves photoconductive cells as digit input elements
Inventor: TITZE GUENTER
IPC: G05B19/12
Filed: 1973-10-05
Abstract: The memory consists of digit input elements which operate photoelectrically and can be optionally masked and which are composed of groups of photo-conductive cells assigned to a decade. Each photoconductive cell group of a decade is arranged on a substratum of opaque Al2O3 ceramic. Over each group there are adjustable coded opaque masks arranged in an interchangeable programme carrier plate. There are ten photoconductive cells in each group and the programme carrier plates are coded according to the 'one-of-ten' code. There may be four cells in each group, in which case the carrier plates are coded according to the BCD code.
Patent DE-2350997-A1 (DE)
Title: Temp. dependent electric switchgear - has small mercur, ball head by non-conductive temp. responsive element to bridge two electrodes
Inventor: BORCHART HANS DIPL ING
IPC: H01H85/00
Filed: 1973-10-11
Abstract: The temperature dependent electric switchgear is intended for protection of electric appliances against harmful temperature rises and is designed to disconnect the appliance prior to such temperature increase. The switch has a small mercury ball held by an electrically non-conductive, but temperature sensitive material in such manner that the ball bridges electrically two electrodes. At a given temperature the support material becomes soft so that the mercury ball deforms in such manner that the electrode connection is interrupted. The temperature sensitive support material may be adhered in an insulating body, in which the discharge of the mercury droplet is prevented by a seal. The electrodes may be inserted into the switch from opposite sides.
Patent DE-2351667-A1 (DE)
Title: Tabletting titanium powder - used to improve the grain fineness of aluminium
Inventor: JUERGENS WALTER DR-ING
IPC: C22B9/10
Filed: 1973-10-15
Abstract: agent to improve the grain fineness of Al is made by tabletting Ti powder, contg. a homogeniser, by mechanical agitation. Simplifies the moulding stage and enables the melt to be stabilised for grain fining.
Patent DE-2358386-A1 (DE)
Title: Track tensioner for cross country vehicles - has a static cylinder for regulating the dynamic adjuster to ground conditions
Inventor: STRENZKE HARTMAT
IPC: B62D55/116
Filed: 1973-11-23
Abstract: The automatic track tensioner has a hydraulic dynamic cylinder, a combined pneumatic and hydraulic storage unit and a static cylinder. The dynamic cylinder piston rod is connected to the crank of the sprocket wheel and the static cylinder piston is connected to the vehicle hull. Automatic track tension adjustment is carried out to meet changing traction conditions of the ground by the dynamic and static system in conjunction with the control system. The static cylinder and dynamic cylinder are connected base to base. The hydraulic circuit to the cylinders and control system includes flow paths, through hollow piston rods and pivoted joints.
Patent DE-2361011-A1 (DE)
Title: Gasoline filling station pump control monitor - has coaxial opposed slotted discs for sender and receiver diodes
Inventor: GIRLATSCHEK SIEGFRIED
IPC: B67D7/08
Filed: 1973-12-07
Abstract: The gasoline station pump control and monitoring system involves pump-mounted counter and dispensed amounts display and a checker in the cash office. The monitor consists of two coaxially mounted slotted discs each driven by one of the electrical shafts forming part of the pump indicator. A sender mounted behind the slot of the one discs acts on an associated receiver which is placed by the slot of the second disc and lies in a switch control circuit. The sender is preferably a gallium-arsenide diode, whilst the receiver constitutes a photodiode. Alternatively the sender should form the primary, the receiver the secondary winding of a transformer, in which case the discs are made of air-permeable material.
Patent DE-2405285-A1 (DE)
Title: Additional oxygen injection type I.C. engine - with oxygen injected into combustion chamber at point of ignition of mixture
Inventor: VESTER GERHARD
IPC: F02B47/06
Filed: 1974-02-04
Abstract: Oxygen injection engine with oxygen under pressure being injected through an oxygen injection nozzle into the combustion chamber of an I.C. engine in addition to the fuel/air mixture either immediately before or at the point of ignition of the fuel/air mixture. The oxygen injection engine can be applied to piston engines, turbines, and jet engines. The oxygen injection commences at a predetermined point in engine operation fixed by either engine revolutions or position of the throttle pedal or degree of acceleration.
Patent DE-2421392-A1 (DE)
Title: Rotatable stop in automatic pipe cutting machine - is spring loaded, buffer cylinder displaced, and stroke cylinder connected
Inventor: JUNG GEB STROMBERG RUTH
IPC: B23D33/10
Filed: 1974-05-03
Abstract: Automatic pipe cutting machine, comprising a pipe feed installation, cutting supports, a stop and cutting and separating blades working at right angles to each other and in sequence. The aperture for taking the pipes in the inner polished adjustable cutting support is so arranged for each pipe diameter that the axially highest located inner diameter point of each pipe is located at the same point, and the longitudinally adjustable, vertically rotatable, lengthways stop is axially displaceable with the horizontally working buffer cylinder, and is firmly connected to the vertically movable stroke cylinder. The rotatable stop is spring loaded.
Patent DE-2421611-A1 (DE)
Title: Windscreen wiper intermittent switch - has astable transistor flip-flop and cyclically operating switching relay
Inventor: GILLE GUENTHER
IPC: H03K3/282
Filed: 1974-05-04
Abstract: The intermittent action switch is intended for motor vehicle windscreen wipers and consists of an astable transistor flip-flop connectable by an operating switch. The flip-flop switches in a preset clock cycle a switching relay, incorporated in the collector circuit of the flip-flop output transistor. The operating switch connects one pole of direct feed voltage via the switching relay to the output transistor collector. This collector is connected across a resistor to one pole of the direct feed voltage, the resistor being connectable by the operating switch. Preferably the output transistor emitter is connected to the positive pole of the direct feed voltage, while the operating switch connects the negative pole via the switching relay to the output transistor collector.
Patent DE-2426926-A1 (DE)
Title: Matrix printer with groups of printing wires - has the rear ends of the wires arranged in a fan-shape each with electromagnets
Inventor: JORIGNY GERARD ANDRE
IPC: B41J2/235
Filed: 1974-06-04
Abstract: The printing wires are guided in channels along their full length which are circular in cross-section and are located in plastic plates. The printing ends of all the wires lie on an even plane, which itself lies at right angles to the central plane. Electromagnets are adjustably fixed to the plastic plate by means of a screw connection. At the position of the printing ends, the interval between neighbouring channels is equal to seven hundredths of a millimetre. The design enables symbols to be printed which are of different dimensions including curves, lines, grids, etc.
Patent DE-2428455-A1 (DE)
Title: Flat plug-in lock for safety switch - has key recess actuated main lever and key tip operated locking lever, both under spring force
Inventor: MERKLE PAUL
IPC: E05B29/00
Filed: 1974-06-12
Abstract: The main lever of the flat plug-in lock for safety disconnecting switch without longitudinally movable lock insert is actuated by a recess in the key, while the locking lever is actuated by the key tip. In the lock latched position the main lever is blocked by the locking lever and vice versa. Both levers are urged by spring force in the direction of the other lever. Preferably the lock has a longitudinal bolt which is moved on one hand by the main lever and on the other hand by the locking lever, in the locking direction. The sliding of the longitudinal bolt may be enabled by a transverse bore in the corresponding end of the locking lever.
Patent DE-2431616-A1 (DE)
Title: Closing mechanism for windows and doors - is held on concealed stiffening plate within thin walled profile
Inventor: FRANK WILHELM
IPC: E05C9/02
Filed: 1974-07-02
Abstract: The locking mechanism is accommodated within a groove in the profile and it is actuated by a projecting handle. This actuating mechanism is suitable for fitting into hollow profiles with thin walls. This arrangement ensures sufficiently secure seating for the handle rosette and distortion of the profile thin walls is avoided. The housing (3) on the closing mechanism has a stiffening plate (7) which has an opening for the shaft (24) of the actuating handles (12). Bores (11) are provided for the fastening screw (17) of the handle rosette (15). The diameter of these bores is such that the fastening screws will form connections with the stiffening plate. This stiffening plate can be detached from the locking mechanism and is concealed within the profile.