baber/WOPTO huggingface dataset:
Patent DE-2236143-A1 (DE)
Title: Pure sorbic acid - by splitting polyester from ketene and crotonaldehyde, using palladium and phosphine catalyst
Inventor: HEY HANSJOERG DIPL CHEM DR
IPC: C07C57/10
Filed: 1972-07-22
Abstract: Sorbic acid (I) is prepd. by catalytic splitting of the polyester formed by the reaction of ketene with crotonaldehyde, using a Pd cpd. or complex in pres. of a tert. phosphine to catalyse the splitting. Splitting occurs under mild condns., e.g. 120 degrees C. I is obtd. as easily separable crystals and has a low content of impurities, which can easily be removed by mild purificn. processes. Almost no isomers of I are formed.
Patent DE-2243413-A1 (DE)
Title: Collection of entraining liquid from ejector - liquid droplets collected by mesh on surface of continuous liquid phase placed below ejector
Inventor: KLINKE GREGOR DIPL ING
IPC: B01D47/06
Filed: 1972-09-04
Abstract: Performance of impulse separator for liq. jet ejector gas pump improved by placing metal mesh or screen on liquid surface in disentrainment vessel. The mesh apertures should by up to 10 times the mean droplet diameter and the mesh should be located at a distance equal to the diameter of the diffuser outlet directly below this outlet. The pressure difference between the diffuser outlet and the mesh should be negligible.
Patent DE-2244482-A1 (DE)
Title: Plastic gravestones - with additives to give product resembling real stone
Inventor: PREUTEN HORST
IPC: E04H13/00
Filed: 1972-09-11
Abstract: Gravestones made from synthetic resins, e.g. polyester, polystyrene, PVC or polymethylmethacrylate, may include other decorative additions such that the final prod. may more nearly simulate real stone. They are lighter and less susceptible to weathering.
Patent DE-2256886-A1 (DE)
Title: Highly active fillers and pigments with large surface area - obtd. by hydrothermal reaction in several stages with intermediate milling and addition of calcium oxide
Inventor: CLEMENTI FRANZ DR
IPC: C09C1/28
Filed: 1972-11-20
Abstract: In the prods. of fillers or pigments by hydrothermal reaction mainly from Ca(OH)2 and SiO2, followed by milling to particles size 30 mu, as in DT 2 162 920, hydrothermal treatment is carried out in several stages, with intermediate milling and treatment with CaO. The prods. are used in paper, rubber, plastics, 2-component filler compsns. and synthetic resin paints. The improved method gives a prod. contg. much less unreacted quartz, so that yields are better and separator blockages are reduced.
Patent DE-2264399-A1 (DE)
Title: Photosensitive polymers - from diacetone acrylamide and unsatd aldehydes used for lithographic plates
Inventor: JAHNKE RICHARD WILLIAM
IPC: C08F20/58
Filed: 1972-12-07
Abstract: Photosensitive polymers, partic. to UV radiation, from addn. polymers formed from cpds of formula:- where X is H2 or Y, Y is R7CH= and R7 is opt. substd gp contg conjugate unsatn w.r.t. the double bond in Y, R1R4R5 are H or opt. substd hydrocarbon, as are R2R3 which may also be Y. Either R2R3 or X is Y. R6 is H, halogen, alkyl. Pref. are polymers from cpds where R1 is H, R2R3 are H or Y, R4R5 are methyl, R6 is H, R7 is furfuryl opt. substd phenyl, 2-phenylvinyl or 1:3-pentadienyl. The polymer may also be an interpolymer with a vinyl monomer specif. styrene. Used for lithographic plates and making printed circuits.
Patent DE-2318098-A1 (DE)
Title: Surface-roughening by electron-beam, plus etching - improves ahesion of molybdenum coatings and light-metal bearing lubrication
Inventor: BEYER HORST DR ING
IPC: C23F1/00
Filed: 1973-04-11
Abstract: The roughening of metal surfaces by irradiation with an electron-beam, followed by chemical etching. The electron beam produces a suitable network or honeycomb, and the energy-density and intensity controls the depth of localised melting, structural alteration and/or oxidn. the metal parts are then chemically etched so that the surface is selectively attacked, esp. at the oxidised points. By varying the energy of the electron beam and the type of etchant, any desired surface-roughness can be obtd. with this process it is possible to spray molybdenum onto a layer of hard-chromium or onto copper and its alloys. A metal surface can be roughened to improve lubrication e.g. on a light-metal bearing surface, where the electron-beam simultaneously hardens the surface, thus eliminating chatter-marks.
Patent DE-2328752-A1 (DE)
Title: Snap-action switch with end fixed lever arm - has spring device with adjustable prestress, affecting arm free end for contact motion
Inventor: SCHWARM HANS
IPC: H01H13/26
Filed: 1973-06-06
Abstract: Against the free end of the level arm and the spring device is located a rigid lever, forming with the lever arm a toggle with blade bearing supported toggle point. The spring device acts substantially in the longitudinal direction of the rigid lever. A blade bearing may be arranged between the rigid lever free end and the spring device. The latter may be adjustable from outside of the switch housing. The spring device may contain a plate abutting on one side of the housing, extending across the rigid lever and prestressed in its long direction.
Patent DE-2330306-A1 (DE)
Title: Conveyor belts with low friction covers - bonded on for carrying panels through press
Inventor: PFEIFFER HEINRICH
IPC: B30B5/06
Filed: 1973-06-14
Abstract: Conveyor belts, for carrying continuous sheets or panels through the daylight of a compression press have a physically roughened basic surface on which thin panels or a film of a low friction matl. are consolidated by pressure and heat. The belt surface is pref. gouged to produce transverse grooves with a saw-tooth profile. The cover matl. should be of PTFE contg. heat conductive, wear resistant fillers such as graphite and bronze. Keying of the surface coating inhibits tearing or displacement by drag or flow of the matls. carried. Bonded covers may be thin, thus offering good flexibility and rapid heat transfer.
Patent DE-2331987-A1 (DE)
Title: Tension monitor for running wire - uses three roller principle, centre roller can deflect
Inventor: HEUBLEIN HANS
IPC: G01L5/10
Filed: 1973-06-20
Abstract: The tension measuring arrangement comprises two fixed rollers and a central roller which can be deflected, the wire passing under the outer and over the inner rollers. The measuring equipment consists of an electrical dynamometer, a correction device comprising subtraction and multiplication sections and a display unit. The dynamometer is zero-balanced empirically by reference to the force required to deflect the wire, higher measured values then corresponding to the tractive force. The multiplication section pref. consists of an amplifier which can be adjusted in its amplification, while the measuring arrangement is pref. a bridge circuit which can be balanced.
Patent DE-2353740-A1 (DE)
Title: Leaf-sprung axle assembly - has point on the spring held by a hanger parallel to the vehicle longitudinal axis
Inventor: SAUER ROMAN FRANZ
IPC: B60G17/033
Filed: 1973-10-26
Abstract: The hanger is formed as a two component three link chain, with a link attached to the chassis, to which is connected a hydraulic cylinder with an operating component in the same plane or lying parallel to it, whose other fixing point on the chassis has a hydraulic connection. The cylinder may be connected hydraulically to other similar cylinders for load balancing, or may be connected to a pump for lifting or lowering operations, the transmission ratio of the hanger being variable by alteration of the length of the arms of the link attached to the chassis.
Patent DE-2355506-A1 (DE)
Title: Muzzle loading hand weapon - has piston, striker piece, and percussion ignition channel in tube axis and its extension
Inventor: WAGNER HANS
IPC: F41C9/08
Filed: 1973-11-07
Abstract: Muzzle loading hand weapon with percussive ignition has the ignition channel, the piston and the striker piece in the tube axis and its extension. Preferably the loading, clamping and extraction unit for the ignition cap corresponds to a conventional weapon with cylinder breech. The breech screw can be formed with a powder space directed toward the mouth, and of smaller dia. than the calibre of the tube. More partic. the weapon can easily be dismantled for cleaning, and the individual parts can be made by existing prodn. methods.
Patent DE-2357729-A1 (DE)
Title: Night storage heater unit - has parting gap parallel to largest side faces, and core carrier fastened to housing
Inventor: HAAS HERMANN
IPC: F24H9/02
Filed: 1973-11-20
Abstract: Heat storage unit has a multi-part housing and a carrier for the core, fast to the housing part. The housing has solely a parting gap parallel to the largest side faces, and at least one housing part is a five-sided shell, in which the core carrier is fastened. Preferably the carrier is welded into the shell. A tightening band is drawn along the gap and covers the edges of the shells and fasteners. The carrier is supported by yokes with a shackle projecting outward through the housing underside and pivotably attached to a carrier arm. The housing has a high intrinsic rigidity.
Patent DE-2357787-A1 (DE)
Title: Prefabricated concrete slab system - has several prefabricated components and intersecting reinforcement bars
Inventor: NOLTE AUGUST
IPC: E04B5/48
Filed: 1973-11-20
Abstract: The prefabricated ceiling plate system is used to reduce the large variety of ceiling types. The grid type profiled support system is built from prefabricated parts, which are placed in position in a given sequence. The crossings of webs and ledge components are assembled to form a supporting shuttering and they are followed by the domed cover plates on which facing plates are placed. Crossed reinforcement bars are placed into the narrow intersecting channels formed in the structure and these are filled with concrete. The projecting ends of the reinforcement make this slab combination a substantial auxiliary structure for further work.
Patent DE-2402848-A1 (DE)
Title: Sheet end detector for office machines with platen - is located near the bottom of the platen and produces a control impulse on detection
Inventor: SCHULZE HERMANN
IPC: B41J29/68
Filed: 1974-01-22
Abstract: The detector for paper sheet and identification comprises a tactile lever with a V-shaped laterally projecting tip which can move into a circumferential groove in the platen when the sheet end has passed by. The other end of the lever is swivelably attached to a control unit having an elastic contact pin which tends to force the lever tip into the groove. Alternatively the detector employs one or more photocells. More specifically, one end of the lever can be associated with an electrically conducting ring on the platen so as to form an electrical circuit.
Patent DE-2403530-A1 (DE)
Title: Polygonal-plan prefabricated house self-supporting roof - of ridge type on chord-interconnected cantilevered steel triangular lattice girders
Inventor: LAARMANN WERNER
IPC: E04B7/02
Filed: 1974-01-25
Abstract: The prefabricated house is of hexagonal, or more-sided plan, with aroof designed to permit max. freedom of partition of the floor area over a large surface without impeding with support requirements of its own, as would be the case with a wide flat roof. The roof is ridged, with a support structure composed of a number of cantilevered triangular lattice trusses in steel construction; these are joined to each other by their upper and lower chords, pref. by common upper and lower connecting plates, and one or both of these may be supported on a column in the centre of the house. The components are easily transported and assembled.
Patent DE-2406217-A1 (DE)
Title: Braking system for flywheel presses - disc braking calipers are interlocked with drive actuation for rapid control of press motion
Inventor: GOESSER HERBERT
IPC: F16P3/00
Filed: 1974-02-09
Abstract: The drive shaft of a flywheel press is driven via a roller key coupling such that the press may be quickly brought to rest in the event of an emergency. The coupling is spring loaded on a coupling disc that transmits power from the motor driven flywheel to the press drive shaft. A second disc is operated upon by a brake caliper actuated by pneumatic or hydraulic power. The coupling is also fluid power actuated by a small cylinder and a second cylinder provides braking. When the drive is engaged the brake is disengaged. For rapid braking the cylinders may be actuated as soon as the coupling cylinder is actuated.
Patent DE-2408322-A1 (DE)
Title: Coulter for a seed-drill sowing seeds singly - has the bottom part at the base of the furrow consisting of two parallel, sabre-shaped thin metal pieces
Inventor: WEITZ OTTO
IPC: A01C7/04
Filed: 1974-02-21
Abstract: The seed-drill is attached to, and driven by, a tractor. The scoops of the metering-device eject the separate grains over the edge. To the underneath side of the seed-drill is attached through holes, a coulter forming the furrow. The coulter is preferably sabre-shaped and possesses parallel metal-guide-pieces at the back, which keep the furrow open long enough for the seed to be deposited on the bottom of the furrow. A steel plate which can be adjusted in height by means of a slit may be screwed to the back of the coulter. The seed carrying member is in the form of a spoked wheel with gently curved spokes.
Patent DE-2420452-A1 (DE)
Title: Voltage multiplier for television receivers - has capacitors formed in pairs by rolled foils and linked by diodes
Inventor: PETRICK PAUL DR
IPC: H02M7/10
Filed: 1974-04-26
Abstract: The voltage multiplier for television receivers has its two chains of capacitors cross-linked by diodes. The capacitors are formed in pairs by metal foils rolled with dielectric foils to form a roll with three contact terminals at one end. In one embodiment two such rolls are constructed, a fifth capacitor being incorporated into one of them, and mounted side by side in a housing. The diodes are then connected across between the rolls' protruding terminals. The high voltage output is taken from one of the protruding terminals in one roll, and the a.c. input is applied to a contact in the other roller.
Patent DE-2420610-A1 (DE)
Title: Pressure sensor for measuring internal body pressures - has elliptical cylinder sensor head containing one or more strain gauge measurement devices
Inventor: SCHAEFFER HARRY PROF DR MED
IPC: A61B5/0215
Filed: 1974-04-27
Abstract: A pressure sensor for measurement of internal body pressures, particularly for intracardial and intravasal blood pressure measurements consists of a thin walled hollow body which is elastically flexed by the pressure fluctuations to be measured, closed at one end. At least one strain gauge measuring device extends through the length of the sensor head, in the position where most pressure variation is to be expected and the measuring strip or strips are fixed to the wall of the elliptical cylindrical shaped tube sensor head. The hollow body is protected by an outer sheath open at one end and with at least two side openings.
Patent DE-2427532-A1 (DE)
Title: Injection moulding machine heaters monitored for failure - by series switches actuating alarm or shutdown and indicator lamps
Inventor: STEGMEIER HEINZ
IPC: B29C45/78
Filed: 1974-06-07
Abstract: A device for monitoring the failure of an injection moulding machine fitted with a number of electrical heating cartridges and a temp. regulator, is as follows: a switching device comprising a rest contact and a make contact is associated with each heating cartridge; all rest contacts are connected in parallel, all make contacts are connected in parallel, and these two parallel circuits are connected in series with a signal emitter and/or a shut-off device; the series circuit is connected to electrical supply lines. Pref., each switching device is a relay connected in series with the associated heater, and all the series circuits are connected in parallel to electrical supply lines, the same supply lines being used pref. both for the heating currents and for the signal emitter or shut-off device. If one heater fails, the signal emitter or shut-off device is immediately actuated, so that the other heaters do not generate excess heat to compensate for the loss. Thus damage due to the entire appts. by overheating of individual heaters is prevented.
Patent DE-2431853-A1 (DE)
Title: Shell core coils variable inductance system - has end caps raised or lowered by rotation against sloping slots
Inventor: POHL KURT ING GRAD
IPC: H01F17/04
Filed: 1974-07-02
Abstract: A pair of shell core or pupin coils carried by a moulded plastics coil former with a flange between two bushes and enclosed between two covers, with a terminal block (9) on opposite sides of the flange protruding from the housing, employs an inductance equalising arrangement with an aluminium cap (30, 31) fitting over each coil cover resting against the two blocks (9) between them. Each cap has a groove (42), 43) cut its side, with its edge (39, 40) at an angle to the horizontal, so that by rotating the blocks inside the caps, the height of the caps can be adjusted, i.e. the space between them can be increased or decreased.
Patent DE-2440807-A1 (DE)
Title: Selector stage for logic signals on several channels - has seven logic circuits and can perform disjunctive linking of logic signals
Inventor: MEIER WERNER
IPC: G06F11/18
Filed: 1974-08-26
Abstract: There is a first logic circuit (1) for disjunctive linking of logic signals at a second and third input (E2, E3) and a second logic circuit (2) for disjunctive linking of logic signals at the second and fourth inputs (E2, E4); A third logic circuit (3) performs disjunctive linking of logic signals at the first input (E1) and first logic circuit (1) output; A fourth logic circuit (4) is used for conjunctive linking of logic signals at the first input (E1) and first logic circuit (1) output; There is a fifth logic circuit (5) for conjunctive linking of logic signals at the third input (E3) and second logic circuit (2) output. A sixth logic circuit (6) is used for conjunctive linking of output signals from the fourth and fifth logic circuits (4, 5).
Patent DE-2444924-A1 (DE)
Title: Ventilation lock for mine haulage roads - belt brattice with mounted extractor hood and de duster plus nozzles
Inventor: HOELTER HEINZ
IPC: E21F5/20
Filed: 1974-09-20
Abstract: Ventilation lock for use in mine roadways fitted with conveyor belts drawing product from the faces has to deal with considerable dust whirls caused by the speed of the belt and its load. To eliminate this nuisance and prevent the dust from being raised and whirled by the ventilating air as it passes, the lock (1) is to be fitted with a de-dusting facility. This comprises a rubber belt brattice (2) acting as a seal and mounting in the top part a dust extractor hood (3) and de-duster. The brattice similarly has a blow nozzle unit (4) which directs a blast of air onto the coal (6) lying on the upper active strand of the roadway belt (5).
Patent DE-2456334-A1 (DE)
Title: Motorcycle fuel flow control valve - has actuator set horizontally when connecting three ports or in off position
Inventor: HARTSHORNE GEOFFREY
IPC: B62J37/00
Filed: 1974-11-28
Abstract: The valve controls a petrol tank of a motorcycle and its housing features connectors and a front recess whose bottom includes a sealing disc. The recess is engaged by the valve actuator guide by the cover which is fastened to the housing with screws in bores. The first inlet is provided by a tube set eccentrically in an inlet and anchored in the countersunk hole of the housing. To open up into the bottom through a bore, while the second inlet at the lower end of a connector ends in a mouth. The disc valve carried by the lever actuator has a similar cutout to ensure the connection between ports, and normally the lever is in the down vertical position. The actuator also carries a disc with four notches for a detent.
Patent DE-2457687-A1 (DE)
Title: Yellow-red solvent-insol azo dyes - for paints, printing inks, plastics and polyesters
Inventor: JUNGE HELMUT DR
IPC: C07D265/26
Filed: 1974-12-06
Abstract: The azo dyes of formula (I): (where K is the residue of a coupling component; R3 and R4 are independently H, Cl, Br, alkyl, alkoxy, nitro, cyano, alkylsulphonyl, arylsulphonyl, carboxyl, carbamoyl, sulphamoyl, N-substd. carbamoyl or N-substd. sulphamoyl, carbalkoxy or quinazolonyl opt. substd. by Cl, Br or NO2; R2 is H or CONHR' or SO2NHR; X is -O-N=C(R)-, -O-(R)C=N- or -N=C(R)O-; R is opt. substd. aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic gp; R' is H or as R; and providing that when the gp. -CONHR or -SO2NHR') are used as (a) fast yellow-red, solvent-insol. pigments for printing inks, paints and plastics such as PVC, when R is an aromatic gp. in (I) and K is the residue of a coupling component of the beta-naphthol, acetoacetarylide, pyrimidine, dihydroxyquinoline or dihydroxypyridine series, and for (b) light-fast dyeing of polyesters when R is an aliphatic gp. in (I) and the coupling components are of the cresol, N-alkyl-pyrimidine, N-alkyl-pyridine or N-alkyl-quinoline series.
Patent DE-2460525-A1 (DE)
Title: Compaction system for plastic mass produced articles - has lower vibration table and applied external vibrating top load
IPC: B28B3/02
Filed: 1974-12-20
Abstract: A system for desitisation or compression of bodies or shaped articles manufactured from concrete or similar plastic masses in a shaping frame attached to a vibrating table, such that the shaped articles are exposed to vibration not only from the table itself but also from a device applying pressure on the forms from above, is constructed such that the pressure applied from above is of a predetermined level and originates from a pressure storage container and the vibration introduced by this upper applied load bears a direct relation to the vibration produced by the vibrating table.
Patent DE-2461960-A1 (DE)
Title: Tipper lorry with automatic loading flap - has slide which moves as plat form tips by shackle bar coupling
Inventor: BUTTERWECK HEINRICH
IPC: B60P1/26
Filed: 1974-12-31
Abstract: The loading platform is pivoted and hydraulically raised and lowered in the conventional manner and provided with a rear loading flap pivoted at the upper edge to the opposite facing side board support posts. A slide runs in a corresponding guide rail fitted to each longitudinal bearer and carries an upright pressure piece at the tail board end to bear against this and hold it in the closed position. The opposite end of the slide is coupled by a shackle bar pivoted in the chassis at a point chosen to allow the tail board to swing clear when the platform is raised. The tail board is additionally locked by a manual locking mechanism.
Patent DE-2500132-A1 (DE)
Title: Electric toothbrush with vertical vibration system - allowing more gentle massage for sensitive gums
Inventor: ENGELHARDT LUDWIG
IPC: A61H13/00
Filed: 1975-01-03
Abstract: Head of electric toothbrush with vertical central vibration system comprises an elastomeric front portion which is rigidly connected to an inserted end portion of rigid plastics by a conical attachment. At the free end of the front portion is a round concave surface and on its reverse side is a round convex surface, both of which are arranged centrally and at 90 degrees to the axis of vibration. The two surfaces may consist of soft films of e.g., polyurethane which are applied by adhesion or vulcanisation, or a single coating of e.g., polyurethane which is stretched over the front portion.
Patent DE-2506789-A1 (DE)
Title: Sealing ring for butterfly valve - incorporates wall reinforcing webs around pivot points of valve member
IPC: F16K1/226
Filed: 1975-02-18
Abstract: The sealing ring (1) has opposite passage apertures (2) for a valve butterfly trunnion. In the pivot region, inwardly projecting webs (3) are positioned, which reinforce the wall thickness of the sealing ring. The ring and valve are for sealing a pipe against flow, eso. in the food industry. The ring is of plastics or other resilient material. The butterfly valve has a shaped section on the end of its shaft to permit operation of the valve.