baber/WOPTO huggingface dataset:
Patent DE-1916204-A1 (DE)
Title: Control compression-type delivery boxes for - paper-making machines
Inventor: OLAVI MAEKELAE AARNE
IPC: D21F1/06
Filed: 1969-03-29
Abstract: Control apparatus facilitates more rapid adjustment of the overpressure and underpressure in the delivery box, the volume of the box being altered when pressure changes occur, so as to regain the desired pressure.
Patent DE-1923812-A1 (DE)
Title: Bearing material for plain bearings consisting of
Inventor: CHRISTOPHER PRATT GEORGE
IPC: C08K3/22
Filed: 1969-05-09
Abstract: Bearing material for plain bearings consisting of PTFE and 10-20% of Cd or CdO with possible additions of Cu, CuO or Cu alloys, such as bronze, in amounts of 1-10%. - No risk of explosions. - 25% v/v CdO, 5% v/v bronze (89% Cu, 11% Sn), 70% PTFE.
Patent DE-1928689-A1 (DE)
Title: Separation of oil from water
Inventor: FISCHER GERHARD
IPC: B01D19/04
Filed: 1969-06-06
Abstract: As in patent DT 1912658, the oil containing water is acidified and solid demulsifying and adsorption medium added. The oil containing demulsifying and adsorption medium is separated before neutralisation of the water.
Patent DE-1936362-A1 (DE)
Title: Grading suspensions of mineral particles of - different weight
Inventor: DIETRICH HEINATZ DIPL-ING
IPC: F16D65/28
Filed: 1969-07-17
Abstract: Grading suspensions of mineral particles of different weight Device comprises a cylindrical centrifugal chamber with a discharge aperture for heavy substances at the bottom, and an overflow chamber with an aperture for light material. The chamber bottom is formed by a displacement body which projects into the chamber and decreases in height with increasing distance from the cylinder axis. An annular chamber tapering downwards is thus formed at the bottom end of the chamber. At the lowest point of the ring are apertus for the suspension which is enriched in heavy material. The device is connected with a vibrator producing vibrations towards the cylinder axis. The device and vibrator are jointly fixed on a firm base.
Patent DE-1950657-A1 (DE)
Title: Active alumina beads, for drying gases
Inventor: DRAUTZBURG GUENTER DIPL-CHEM D
IPC: C04B35/10
Filed: 1969-10-08
Abstract: Beads are produced from crystalline peptisable Al2O3.H2O by granulation with spraying with aqs. soln. of mineral acid and/or its salt, ageing and calcination. Peptising after-treatment is followed by compression and moderate drying of granules until water content is reduced from is not 47% to 42-46, pref. 43-45.5% then dehydration to 1 - 10, pref. 6 - 9% residual water content in hot gas stream at 35 - 850, pref. 380 - 550 degrees C, pref. in fluidised bed. The beads have high specific surface area and attrition resistance. Raw material used is cheap, whilst product combines high mechanical strength with high water absorption capacity. Process avoids certain technical difficulties, e.g. corrosion, strong acid vapour and double dehydration with intermediate milling.
Patent DE-1960707-A1 (DE)
Title: Continuous and semi continuous metal - casting plant
Inventor: N GEZELEW SINOWIJ
IPC: B22D11/01
Filed: 1969-12-03
Abstract: Electromagnetic inductor for melting metal has an electromagnetic screen set coaxially inside it. This is a closed ring of non-magnetic metal whose thickness increases towards the top. Its lower edge is set no lower than halfway down the inductor.
Patent DE-1966908-A1 (DE)
Title: Servo steering for motor vehicles - has a piston within steering box with steering nut connected with a steering worm
Inventor: FOERSTER HANS-JOCHIM PROF DR I
IPC: B62D5/24
Filed: 1969-08-08
Abstract: Servo steering for motor vehicles, where an operating piston can move in a steering box housing and a steering nut supported in the piston so that it can turn but is fixed axially and is connected with a steering worm axially fixed in the steering box. The steering nut is supported at one end exclusively by an axial roller bearing with respect to the operating piston. This bearing point of the nut carries over into the inner end of a sealing casing which encloses a steering spindle and is inserted into the gearbox. The sealing casing is for the radially inner sealing of the piston.
Patent DE-2040442-A1 (DE)
Title: Automatic ejection of foamed mouldings - using compressed air
Inventor: HECK FRIEDRICH
IPC: B29C37/00
Filed: 1970-08-14
Abstract: A continuous, automatic method for ejection of moulded, formed articles in which the forming bolts consist of tubes opening into the mould. Compressed air is fed through these tubes immediately before or during the opening of the mould.
Patent DE-2061282-A1 (DE)
Title: Solvent-resistant polyurethane materials
Inventor: GAEHDE JOACHIM DIPL-CHEM DR
IPC: C08G18/10
Filed: 1970-12-12
Abstract: The materials are made by reaction of di-isocyanates and polyols, using as chain extenders bufunctional alcoholes containing both primary and secondary hydroxyl groups. Additional bifunctional alcohols containing only primary hydroxyl groups may be included. The products have substantially higher resistance to solvents, esp. to fuels and oils, than polyurethanes made using alcohols containing primary hydroxyl groups only, as chain extenders.
Patent DE-2138596-A1 (DE)
Title: Dough extruder/divider - with conveyor belt synchronized to cutter head
Inventor: SCHNEE WALTER
IPC: A21C5/00
Filed: 1971-08-02
Abstract: The dough passes from a hopper to a pair of counter rotating feed rollers followed by a pair of oscillating dough pushers which feed it forcibly into an elbow which leads to one end of the conveyor belt and with the horizontal guillotine cutter. The cutter, pushers and belt are timed as required for the dough portions to clear the nozzle in steps. Flouring heads for the belt and for the tops of the loaves are added as required. Labour saving without compression of the pores of the dough associated with worm extruders.
Patent DE-2157075-A1 (DE)
Title: Tyre building machine - dispensing with radially expandable tyre building drum
Inventor: BLUM HEINRICH
IPC: B29D30/32
Filed: 1971-11-17
Abstract: The tyre building machine has at each end of the tyre building drum an axially slidable ring provided with a knife edge and a convex surface for engaging the overlapping ends of the tyre carcass and pressing the ends against the beads.
Patent DE-2158130-A1 (DE)
Title: Flocculating agent for red mud - consisting of aq suspension of colloidal starch
Inventor: GRAEFE JUERGEN
IPC: C01F7/0653
Filed: 1971-11-24
Abstract: Use of a 0.5-2.5% aq dispersion of starch in fully colloidal state as a flocculating agent for red mud (from Al prodn. by the Bayer process) instead of synthetic resin flocculants normally used for this purpose improves the filtering props of the pptd. mud. Starch suspension is turned into the colloidal state by heating at elevated temp. and press., or by treatment with an alkali soln.
Patent DE-2222084-A1 (DE)
Title: Contra-rotating drum driers - with improved film coating control
Inventor: SOELL WILHELM
IPC: F26B17/28
Filed: 1972-05-05
Abstract: The fluid supply is pressure regulated by a dosing pump and a feed chamber orifice both situated centrally beneath the contra-rotating drums interspace. Fluid flow onto the trough constrains the flexible membrane walls into contact with the drum surfaces and creates a pressure pocket which induces a slower transfer of fluid to the drum effecting better distribution and film thickness and improved drying.
Patent DE-2247671-A1 (DE)
Title: Dyeing amorphous or semi-orientated filaments - by extrusion into dyebath
Inventor: GHISLANDI SERGIO
IPC: D02J1/22
Filed: 1972-09-28
Abstract: Dye stuffs are applied to synthetic fibres whilst they are still in an amorphous or semi-oriented state, either by passing the extruded and cooled yarn through a bath to which the pigment has been added, possibly dispersed in a finishing agent, or by winding the unstretched yarn on to spools to be immersed later in the colour. In the former alternative, the dyestuff may be applied by passing the yarn through rollers partly immersed in a bath and forming the first stage of a continuous stretching and fixing process.
Patent DE-2250448-A1 (DE)
Title: Catalyst for carboxylic acid or anhydride prepn - by oxidn of aromatic or unsatd aliphatic hydrocarbons, contains vanadium pentoxide
Inventor: REUTER PETER
IPC: C07C51/25
Filed: 1972-10-14
Abstract: The inner wall of tubular reactor is coated, at least in pt. with a catalytic compsn. contg. TiO2 (instead of ZrO2 as used previously) advantageously mixed with 50 wt.% V2O5 (w.r.t. mixt) for the oxidn. (using an O-contg. gas) of aromatic or unsatd. aliphatic hydrocarbons.
Patent DE-2260599-A1 (DE)
Title: Hydrogen and oxygen thermally produced from water - by reacting ferric oxide with sulphur dioxide and steam in 3 stages at increased temperature and elevated pressure
Inventor: SCHULTEN R
IPC: C01B13/02
Filed: 1972-12-09
Abstract: The reactions and conditions used are: (1) Fe2O2 + SO2 right arrow FeO +FeSO4 at 200-400 degrees C; (2) FeO + FES4 + 1/3 H2O right arrow 1/3 Fe3O4 + FeSO4 + 1/3 H2 at 30-800 degrees C; and (3) 1/3 Fe3O4 + FeSO4 right arrow Fe2O3 + 1/6 O2 + SO2 a 600-1100 degrees C, the SO2 being recycled. Fe2O3 is esp. suitable for this process and is incorporated in a porous ceramic, e.g. Al2O3 etc., which also acts as heat store. Reaction is carried out at 20-60 at. and using superheated steam, CO2 or another inert gas as heat transfer medium. The reactions, are carried out in several stages, using regenerative control, so that heat transfer fromone reaction zone to another by a heat transfer medium is possible.
Patent DE-2305247-A1 (DE)
Title: Magnetic recording material - contg chromium particle layer covered with iron oxide particle layer
Inventor: KITAMOTO TATSUJI
IPC: C09D5/23
Filed: 1973-02-02
Abstract: Wearing of the magnet head cuased by CrO2 particles is reduced by covering the CrO2 layer with a thin layer of ferromagnetic iron oxide, opt. doped with cobalt. The sensitivity of the material is not diminished; it may even be enhanced.
Patent DE-2315858-A1 (DE)
Title: Constant liquid level flux bath - for preparation of soldering sites on double-glazing panel spacers
Inventor: TERMATH GUENTER DR
IPC: E06B3/673
Filed: 1973-03-30
Abstract: A flux bath for the preparation of soldering sites on spacers for double-glazing panels is coupled with a vertically-movable storage vessel to maintain a constant liquid level in the bath.
Patent DE-2327025-A1 (DE)
Title: Moulded and foam-coated plastics foil - the foil being shaped by pressing into a mould which is exhausted at the outer surface of the foil
Inventor: HEIN ALFRED
IPC: B29C44/16
Filed: 1973-05-26
Abstract: Coating with foam is effected simultaneously with shaping of the foil which is pressed into the mould by the foaming pressure. The foil may be of plasticised PVC, and may be heated solely by the heat of reaction of the foaming material. Used in mfr. of plates or panels (opt. with relief features) e.g. for use as building elements.
Patent DE-2327719-A1 (DE)
Title: Forming tablets briquettes or pellets - mixing iron ore with brucite or dolomite
Inventor: BLANQ-CAZAUX ARMANDO JOSE
IPC: C22B1/14
Filed: 1973-05-30
Abstract: The finely divided iron ore is mixed with 0.4 to 6.0 wt. % of reactive burnt dolomite or brucite and with water to form a homogeneous paste which is shaped. Pref. the ore and dolomite or brucite are first mixt, then the water is added. The pellets etc., are dried in air or in a drying machine and may be employed as starting material for producing iron or steel.
Patent DE-2329971-A1 (DE)
Title: Aerosol valve with adjustable throughput - has valve stem with two proportioning apertures for hair care products
Inventor: FRANKEN JOACHIM
IPC: B65D83/14
Filed: 1973-06-13
Abstract: The valve consists of a housing with rising pipe connection to a valve plate, with displaceable spring loaded bearings and feeding a spray head. Near the seal, the stem has two proportioning apertures, at different heights. When the stem is displaced against the compression spring, the apertures allow a passage of the product. Two compression springs with similar action are positioned inside each other. The length of the untensioned inner spring is dimensioned, so that it loads during depression of the spray head, only shortly before the upper aperture leaves the zone of the seal.
Patent DE-2335021-A1 (DE)
Title: Air evacuation from vacuum packed goods - steam injection during evacuation shortens process, minimises air residue
Inventor: GREBE REINER
IPC: B65B31/02
Filed: 1973-07-10
Abstract: In a machine for the packaging of hot, sterilised, sometimes pre-vacuum packed, product into a preformed container and the sealing a covering film around the top, the injection of steam during the period of evacuation of air from the preformed container prior to the sealing of the covering film around the top of the container is achieved by feeding steam through a nozzle on one side of the container while evacuating air from a nozzle on the opposite side of the container.
Patent DE-2339735-A1 (DE)
Title: Static electronic memory element - uses two complementary transistors cross-connected to form bistable multivibrator
Inventor: GOSER KARL DR-ING
IPC: G11C11/412
Filed: 1973-08-06
Abstract: Each of the transistors is connected in series with a high ohmic resistor, and the base electrodes are each cross-connected to the junction of the other transistor and resistor. The supply voltage is connected across the two junction between each transistor and its resistor. The multivibrator is connected to the digit line via a diode or switching transistor with its control electrode connected to a keying line. The transistors are formed on a substrate by successive deposition of layers through masks.
Patent DE-2346136-A1 (DE)
Title: Vessel esp. for vacuum treatment of iron and steel - having ladles cheaply lined with silica then coated with inert ceramic
Inventor: SCHULZ ECKHARDT
IPC: B22D41/02
Filed: 1973-09-13
Abstract: The vessel consists of an outer sheet steel jacket with a silica-rich lining, the novelty being that the lining is covered with a layer of a ceramic matl with low oxidn. potential. The ceramic layer is pref. MgO, Al2O3, or ZrO2, used singly or as a mixt., covering a lining of chamotte or ladelite; alternatively, pre-coated bricks can be used to make the lining. A cheap lining can be used, only the surface coating need be made of matl resistant to the conditions imposed by vacuum treatment.
Patent DE-2349278-A1 (DE)
Title: Washing/cleaning compsn. - contg. N-alkyl-N'-polyhydroxyalkyl-N'-aminoalkyl urea as anti-redeposition agent
Inventor: ECKERT HANS-WERNER DIPL CHEM D
IPC: C11D3/00
Filed: 1973-10-01
Abstract: The greying inhibitor is an N-alkyl-N1-polyhydroxyalkyl-N1-aminoalkyl-urea of formula: (where R1 is 10-24C alkyl; R2 and may each be 1-4C alkyl or 2-4C hydroxyalkyl; x is 3 or 4, and y is 2-6). (I) may be made by reductively alkylating N,N-dialkyl- or N,N-dihydroxyalkyl alkylene diamines with aldopentoses, pref. though with aldohexoses, esp. glucose, at, pref., 100-250 atm. and 50-90 degrees C in the presence of a suitable hydrogenation catalyst, e.g., Ni and, advantageously, in the presence of a polar solvent. Purificn. of the N-polyhydroxyalkyl-N1-dialkyl-alkylene diamines or the corresp. N1-di-(hydroxyalkyl) derivs. is by recrystallisation from, e.g., ethanol, isopropanol, acetone or an acetone-water mixt. after which they are reacted in known manner with R1-NCO in an inert, polar solvent, e.g., acetone, at, pref., 20-60 degrees C and recrystallised from, e.g., acetone. (I) are colourless, crystalline substances and are used in amts. of 0.1-10wt.% in washing compsns.
Patent DE-2349842-A1 (DE)
Title: Radial upsetter with slide piece reciprocating levers - has ends connected to slide pieces and posts
Inventor: FEDOROW NIKOLAJ ALEXANDROWITSC
IPC: B21J7/16
Filed: 1973-10-04
Abstract: Radial upsetter for metals has pendular spindle with an axial bore for passage of the blank and radial apertures in which slide pieces are inserted with their end faces facing the spindle axis connected to striker punches which strike against the blank. The other end faces co-operate during the pendular motion with a mechanism which ensures reciprocation of the slide pieces. The mechanism consists of levers, one for each slide piece and adjacent to it and with one end connected to it, and with the other end articulated to the post. Pref. the connection to the post is via an eccentric permitting adjustment of the position of the slide piece during upsetting and having an independent drive. The mechanism is simple and its noise level is reduced.
Patent DE-2351004-A1 (DE)
Title: High press. two-component sprayer - has insert body with screw thread passages, in pot-shaped mixing chamber
Inventor: TETTENBORN HANS-GEORG DR DIPL-
IPC: B05B7/32
Filed: 1973-10-11
Abstract: High press. sprayer for 2-component paints or dispersions as in 2259185, has the mixing chamber formed by a pot-shaped housing with diametrically entering feed ducts at the upper end and a drain on the floor side, with a releasably-attached insert body which nearly fills the housing and has mutually crossing left-and-right-handed throughflow channels or grooves in the peripheral surface, for the materials to be delivered. Preferably the channels or grooves are formed as multi-turn threads. The housing is formed by a cylindrical, conical or frustoconical lower part and a cover part which can be screwed on. The mixing chamber is simplified and mixing is made more efficient.
Patent DE-2355217-A1 (DE)
Title: Ignition insert for piezoelectric gas lighters - has electrode, counter-mass, crystal assembly and striker part in plastics sleeve
Inventor: WONISCH FRANZ
IPC: F23Q3/00
Filed: 1973-11-05
Abstract: Ignition insert for piezoelectric hand igniters for household gas apparatus, comprises a coaxial arrangement of ignition electrode, counter mass, crystal assembly and striker part, within a plastics sleeve, whose corresop. closure part receives within it the striker mass which is attached to a latch spindle reaching to the exterior and which can be tensioned against the force of a compression spring. Pref. the sleeved parts are aligned in cross section with the inner dia. of the sleeve, and held within it by bare insertion and closure. Various forms of igniter can conveniently be designed using the unit.
Patent DE-2355568-A1 (DE)
Title: Clamp for suspended ceiling plates - is held on back of plate by single screw
Inventor: BOEGLE NORMANN
IPC: E04F13/08
Filed: 1973-11-07
Abstract: The clamping elements are used for holding of plates or panels on supporting profile rails which are provided with flanged edges. These supporting rails can be used for supporting suspended ceiling panels or wall panels. The clamping arrangement is used for anchoring a wall plate to a support profile which has an inverted U-shape with the opening facing downwards and the free ends are bent outwards to form clamping flanges. The clamping plate contacts with its underside the smooth surface of the covering panel. The clamping plate is held in position on the panel by the screw which passes through the hole in the clamping plate. The clamping plate has a locking arm which traps the flange of the support profiled flange and hence forms a positive contact with the flange. The fastening screw forms the swivelling centre for the clamping bracket. The clamping bracket plate has a turned up edge for gripping and for adjusting during fitting.
Patent DE-2359177-A1 (DE)
Title: Connecting rod fitting for casements of windows or doors etc. - has integral bolt section and corresponding engagement recess
Inventor: FRANK GERHARD
IPC: E05C9/06
Filed: 1973-11-28
Abstract: The fitting is for casements with a movement axis along one edge, and contains a connecting rod, displaceable along the axis, under a rail on the casement side surface. The connecting rod has a flexible part, carrying a bolt projecting through a slot in the rail. With closed window, the bolt is pressed inwards by a contact plate on the side of the stationary frame, against the spring pressure, and at right angles to the rail plane. In one window version the bolt engages into a larger part of the rail slot. The contact plate has a recess to co-operate with the bolt.
Patent DE-2361282-A1 (DE)
Title: Prevention of magnesium-steel contact corrosion - has water and air excluding resilient cap slotting into screw counterbore
Inventor: ASHAUER KARL
IPC: F16B37/14
Filed: 1973-12-08
Abstract: The heads of the screws are fitted in counterbores in the components, and are covered externally by a sealing cap which lies tightly against the walls of the counter bore. The sealing cap is pot-shaped with a cylindrical wall which fits closely against the counterbore, and is of plastic or rubber material. If the screw has a head of the internal hexagon type, the sealing cap has a locating projection which fits into the internal hexagon. The sealing cap excludes aggressive corrosive atmospheres from the only exposed part of the screw, which may be an automotive part.
Patent DE-2362309-A1 (DE)
Title: Control system for automatic railway with feeder and main tracks - has sensors for determining vehicle spacing
IPC: B61L23/00
Filed: 1973-12-14
Abstract: The automatic railway system has a main track with several branch tracks feeding into it. Sensors are provided in order to ensure collision free spacing of individual vehicles travelling on the main track and those joining the main track. The spacing of the leading and following vehicles on the main line is determined by the departure time of the vehicle on the branch line. Sensors are used for determining the position and length of gaps between the vehicles on the main line track and hence they determine the departure time of one or more vehicles from the stations. The acceleration and retarding of departing and arriving vehicles is carried out by a frequency converter by a given timing program in conjunction with sensors.
Patent DE-2403565-A1 (DE)
Title: Rotary stepping switch with latching mechanism - has latch resetting spring with specified latching positions before resetting
Inventor: WITTMANN HERBERT
IPC: H01H19/11
Filed: 1974-01-25
Abstract: The rotary stepping switch has a latching and stopping mechanism and a resetting spring mounted in the space of this mechanism. The resetting spring arrangement permits a delocked switching position after a preset number of latched switching positions. In the delocked position the resetting spring arrangement provides resetting into the previous switching position. Preferably the resetting spring has a resetting stop, effecting the return into the previous switching position. The delocking in the preset switching position may be provided by an oblique element which may be formed by filling the corresponding latching gap. The resetting spring may abut a stationary stop, while the reset effecting stop may be connected to a rotary part.
Patent DE-2418754-A1 (DE)
Title: Latent hardener for epoxy resins - contg. aromatic acid anhydride and imidazole cpd
Inventor: MIYASHIRO JAMES J
IPC: C08G59/00
Filed: 1974-04-18
Abstract: A latent hardener for epoxy resins consists of a mixt. of (a) hexahydrophthalic, tetrahydrophthalic, phthalic or hexachloroendomethylene tetrahydrophthalic (chlorendic) acid anhydride and (b) an imidazole cpd. A 1-component compsn. compsn. contg. the hardener mixt. is stable at room temp., but hardens in a relatively short time at moderately high temp., to give a resin with good mechanical and electrical properties.
Patent DE-2431741-A1 (DE)
Title: Pipe branch connector attachment - is held to mains duct by shaped adapter with band clamp
Inventor: DRITTENPREIS JOSEF
IPC: F16L41/12
Filed: 1974-07-02
Abstract: The adaptor (9) has at one side a surface curved to fit the outside of the main duct (7) and at the opposite side a round collar (9a) fitting a bore (10) in a valve housing (11) constituting the branch connector. The band (18) embraces the main duct and has ends (17) mounted on the housing, e.g. by engaging radial slots (17) in bolts (16) rotatable in the housing to tighten the band so that the adaptor is gripped between the housing and the duct. A fluid passage in the adaptor aligns with bores in the main duct and the housing respectively.