baber/WOPTO huggingface dataset:
Patent DE-2452247-A1 (DE)
Title: Tunnel or heading liner system - concrete pump pipeline ends in rotary pipe and telescopic tube
Inventor: MAYR GOTTFRIED ING
IPC: E21D11/10
Filed: 1974-11-04
Abstract: Tunnel or mine heading liner system pumps concrete through holes in shuttering from a central supply point through a system of pipelines. The end of the pipeline can adjust lengthways and consists of a horizontal pipe capable of turning round an axis parallel to that of the shuttering, and a telescopic tube adjoining this pipe. Hydraulic motors should be employed to rotate the pipe and extend or contract the tube. Pipe and tube connected to this should be carried on a car, trolley etc. travelling in the tunnel or heading. The axis of the tube should be at right angles to that of the rotary pipe.
Patent DE-2456919-A1 (DE)
Title: Variable area wing shape - with staggered telescopic sections for compact storage openable by scissors linkage
Inventor: LEISTNER HANS
IPC: B64C3/54
Filed: 1974-12-02
Abstract: The aircraft wing shape is divided into a series of staggered sections (1, 2, 3) with reducing size towards the wing tip. Each outer section is designed to slide telescopically into the next inner section. Stability is ensured by profiled, telescopic struts through the sections, and with each section being self supporting. The wing is attached to the fuselage via special links (18, 19) which can be linked to servo controls for operating the wing extension. The system enables the aircraft to be stored in a compact space, or to be moved by road without removing the wings.
Patent DE-2461433-A1 (DE)
Title: Snack food formed from farinaceous dough - shaped after removal from frying medium prior to dough becoming rigid
Inventor: HUNTER JOHN EARL
IPC: A23L7/13
Filed: 1974-12-24
Abstract: A farinaceous dough is prepd. and sheeted before being cut into individual pieces which are fried until their moisture content drops to =12%. The pieces are removed from the hot oil and are quickly given the desired geometrical shape before the fried dough pieces become rigid. The precise time period available for shaping depends upon the farinaceous material used, the frying time, and the starch content of that material. It is generally in the range 5 to 20 secs. It is believed that the rigidity is produced by the hydrogen bonding of amylose molecules. This produces crips, fried uniformly shaped snack foods from a dough made from corn potatoes, wheat, rice, barley oats or rye.
Patent DE-2500662-A1 (DE)
Title: Oxidation-and heat-resisting sintered alloy - used for valve seats in internal combustion engines
Inventor: URANO SHIGERU
IPC: C22C38/00
Filed: 1975-01-09
Abstract: The alloy is prepd. from a powder mixt. comprising 0.6-2% C, 1-3% Ni, 10-15% Cr, 0.3-1.5% Mo, 5-15% Co and 3-7% W, balance Fe, which is molten under a relatively high pressure and then sintered at a temp. 1150 degrees C, pref. at 1120-1150 degrees C for 30-60 min. The alloy is used for valve seats in diesel engines or those running on lead-free fuel.
Patent DE-2504525-A1 (DE)
Title: Plastic support for windscreen wiper blade - with one piece flat moulding and moulded hinge along centre
Inventor: JUROWSKI WILLI
IPC: B60S1/38
Filed: 1975-02-04
Abstract: The wiper blade holder is made by a one process injection moulding operation in which the two halves (11) of the holder are joined by a thinner middle section to form a hinge (18). The edges of the holder are provided with ridges to grip in lateral grooves in the rubber blade, while moulded pegs (16) and holes (17) in the top of the holder are used to clip the assembly together. The ends of the holder are secured by end flanges (19) to prevent the blade from sliding out. The holder is made from a flat W-section with a centre longitudinal groove to act as a hinge, around which the holder resiliently bends.
Patent DE-2504704-A1 (DE)
Title: Disc-type filter with centrifugal discharge of filter residues - preventing their adhesion to the vessel walls
Inventor: SPIEKERMEIER BRUNO FRANZ
IPC: B01D35/16
Filed: 1975-02-05
Abstract: In a filter with a vertical cylindrical vessel in which is mounted a coaxial hollow shaft carrying disc-shaped filter elements, the residue on which is centrifuged away by the rotation of the elements, a flexible sleeve is provided radially outside the filter discs and covers the inner surface of the filter vessel in the zone of the discs, which means are present for spacing the sleeve from the inner surface. System overcomes the difficulties which could arise as result of adhesion of the residue from filtration to the interior walls of the filter vessel.
Patent DE-2515610-A1 (DE)
Title: Shaped sheet metal section silo or similar roof - with opening bounding sections chords connected to parallel reinforcing section
Inventor: BRAUN RUDOLF
IPC: E04D13/147
Filed: 1975-04-10
Abstract: The shaped sheet metal roof incorporates a frame, with outwards projecting flanges, inserted in an opening in the roof, of a width the corresponding to a multiple of the width of one shaped sheet sectionare bounded by two sections with lengthways reinforcements. The upper or lower chords (4) of the sheet sections (2), bounding the sides of the roof opening (7) have parallel sheet sections (14), in a common plane, connected to them. The frame (8) flanges (11) parallel to the sheet sections rest on the interconnected chords (4, 15) of both sections (2, 14), and are connected to them. The additional sheet sections on both sides can extend across to roof supports. This provides a high degree of rigidity, with min. sag, at low cost.
Patent DE-2520988-A1 (DE)
Title: Rapid fur and/or sludge removal from heat exchanger tubes - by successive treatment with dil acids and hydrogen peroxide
Inventor: MARUSHIMA TADAAKI
IPC: C02F5/00
Filed: 1975-05-12
Abstract: Fur and/or sludge which has been deposited in heat exchanger tubes is removed by immersing the tube in (or recirculating in the tube) an acid soln. of 10% for 1/4-2 hrs. followed by a similar treatment with 0.5-5 wt.% H2O2 soln. No corrosion problem arises and no subsequent neutralisation is required since there are no acid residues. The method is rapid (1/2-1/10 as long as known methods) and uses more dil. acid.
Patent DE-2529036-A1 (DE)
Title: Hydrogen generation in electrolytic cell - esp. for prodn. of fuel for motor vehicles, and industrial uses
Inventor: PACHECO FRANCISCO
IPC: H01M6/26
Filed: 1975-06-28
Abstract: A hydrogen generator incorporating at least one galvanic cell which uses a first active magnesium electrode and a second inactive electrode is new. The electrodes are suitable for immersion in a salt water electrolyte contained in a tank having a hydrogen outlet above the level of electrolyte. The electrodes are connected through a variable load resistance outside the cell to generate an electrical current in the cell. As a result generation of hydrogen and a proportionate rise in voltage at the resistance take place. The upper and lowers parts of the tank are connected through an external circuit. The circuit includes a pump which continuously circulates and cools the electrolyte, driven by the voltage generated in the cell through an electrical connection to the load resistance. The orientation of the pump is such that the electrolyte is drawn from the bottom of the cell and returned to the top. The cell is self sufficient. Recirculation of electrolyte reduces polarisation and electrolyte temp. resulting in constant H2-prodn. rate for the useful life of the cell.
Patent DE-2532794-A1 (DE)
Title: Loading system for pneumatic conveyors - contains common control for flow valve and goods conveyor valve
Inventor: WIEHL ALFRED DIPL ING
IPC: B65G53/46
Filed: 1975-07-22
Abstract: The loading system is for powderized and granulated goods. The discharge aperture of a storage container is connected via a blocking element to a conveyor bucket into which opens the conveyor medium conduit, and from which extends the pneumatic conveyor. The conveyor medium conduit has a valve at its end. There is a common control for the alternate opening and closing of the conveyor medium valve and the blocking element. The latter also consists of valve and is coaxially positioned with the flow valve. Both valves have a common valve rod, and both valves open and close opposite to each other. The valve bodies are displaceably positioned on the valve rod, and there is an intermediate spring, to maintain them in their closed position.
Patent DE-2542639-A1 (DE)
Title: Gas and flow detector - uses ultrasonic beam which is passed through medium, and has recorder to register frequency changes
Inventor: MAGORI VALENTIN DIPL PHYS
IPC: G01N9/00
Filed: 1975-09-24
Abstract: The detector has an ultrasonic transducer (1) with piezoelectric ceramic oscillating element (11) with a quarter wavelength layer (10). It is mounted at a distance from a reflector (2), and is connected to an electronix excitation circuit with a tapping for collection of the ultrasonic transducer frequency changes. The quarter wavelength layer has a characteristic impedance for sound between that of the oscillating element ceramic material and of the medium. The ultrasonic converter has an operating frequency of about 200kHz, the distance between it and the reflector being between 15 nd 25mm. The electronic circuit includes a low pass filter.
Patent DE-2546750-A1 (DE)
Title: Connector for panels at right angles - has holder inside fitting in one panel and dowel fitting into hole in other
Inventor: BUSSE PETER
IPC: F16B12/20
Filed: 1975-10-18
Abstract: The connector for boards or surfaces that require to be set at right angles to one another, such as the sides of furniture where fitted to a base or for furniture intermediate shelves, uses a toothed dowel. A holder fits in a side recess in one component which supports the dowel, to fit in a hole in the other component. A holding bolt fits in a recess along the length of the dowel (7) or peg. Part of the holding bolt (5) runs transversely (10) and there are ridges on the shank of the bolt, which fit in recesses in the dowel when the bolt is in the non tension position. A full turn of the bolt keeps the ridges located in the recesses. Access for the tightening tool is through the holder.
Patent DE-2547247-A1 (DE)
Title: Driving mechanism for data card reader - has array of clutches engaging feed rollers to driving array
Inventor: WEIGEL HANS-DIETER
IPC: G06K13/103
Filed: 1975-10-22
Abstract: The cards are held in a stack in a magazine (1) under which an array of feed rollers (3) is positioned. Where a card is to be fed forward these rollers are turned by means of a clutch link mechanism and drive the bottom card past a gate arrangement (23) to a reading head array (24). A motor drives a series of clutch plates via a gear train and a belt and pulley system. The clutches are operated by an electromagnetic which moves a mechanism forward to engage some of the rollers under the card stack, and so to drive the bottom card forward. Other rollers outside the magazine (25) are driven directly by the driving mechanism.
Patent DE-2548074-A1 (DE)
Title: Log periodic short wave aerial - has symmetrical feeder and has vertically mounted rods and wire dipoles spanning bracing wires
Inventor: STARK AXEL DIPL ING
IPC: H01Q11/10
Filed: 1975-10-28
Abstract: A log-periodic short wave serial has a symmetrical feeder and a number of sectioned wire dipoles. These wire dipoles are stretched between the feeder and the outer bracing wire of the aerial array. The aerial is mounted on top of a mast. The aerial plane consists of the symmetrical feeder and several wire dipoles spanning the bracing wires. The feeder consists of two metal rods mounted in a vertical plane and held together by insulated straps spaced a given distance apart. The distance between the feeder rods and the distance between the straps are consistent with a particular characteristic impedence of the aerial.
Patent DE-2552229-A1 (DE)
Title: Electromechanical switch with several positions assuming contact - has magnetic poles in housing facing contact magnetic poles along operating path
Inventor: SPEIDEL VOLKER
IPC: H01H3/50
Filed: 1975-11-21
Abstract: The switch is used as a rocker, steering column, or rotary switch and contains latching cams, connected to sprung latching elements. It has a switching contact (1) which can assume serveral latched positions. Along the switching contact moving path are mounted magnetic poles (6, 7) in the housing, facing the magnetic poles (4, 5) of the switching contact. Preferably permanent magnets are mounted in the housing in such alignment that they have alternating polarity along the switching contact path. Magnetic field strength regions of variable magnitude may be arranged along this path. The poles of the switching contact may be also arranged with alternating polarity.
Patent DE-2604491-A1 (DE)
Title: Protective circuit for two-stage push"pull chopper - has complementary transistors in first stage with emitters positively and negatively based
Inventor: LUKANZ WERNER DIPL ING
IPC: H02M1/00
Filed: 1976-02-03
Abstract: The protective circuit for a two-stage push-pull chopper has complementary transistors in the first stage. The emitters are biased with a positive and a negative voltage. Transistors of the same type in the second stage are connected by collectors to the supply voltage's positive and negative terminals. Emitter-collector path of a protective transistor (T1, T2) is in parallel with the base-emitter path of chopper transistors (T3,T4). A capacitor (C1,C2) and a resistor (R3,R4) are in parallel with transistors (T1,T2). Diodes (D3,D5;D4,D6) are between bases of chopper transistors (T3,T4) and collectors of transistors (T1,T2). A further resistor (R1,R2) connects transistor (T1,T2) collectors to the diodes.
Patent DE-2615820-A1 (DE)
Title: Plug connector socket with tubular sleeve - has spring tongues protruding from sleeve with inside pressed beads
Inventor: BERGINSKI WERNER
IPC: H01R13/115
Filed: 1976-04-10
Abstract: The socket has a tubularly rolled sleeve, from whose longitudinal strips protrude oppositely directed sprung tongues (7). The rear part (6) of the tongue carries inwards pressed depressions (8, 11). The latter preferably reach into the sprung tongues so that the front edges (9) of the tongues are convex in relation to the sleeve axis. Two depressions may be formed on each rear part on the middle line of two opposite sprung tongues. If two strips are provided opposite each other the tongues protruding from the same form and inter-engaging comb. The sleeve may be closed by a separating bottom retained in an outwards dished peripheral groove.
Patent DE-2616291-A1 (DE)
Title: Mould for taking cast from foot tread surface - by pressing foot in plastic particles surrounded by flexible film
Inventor: BENSE HERMANN
IPC: A61B5/107
Filed: 1976-04-13
Abstract: Appts. for taking a cast from a foot tread surface, for mfr. of orthopaedic footwear, linings and shoe trees, operates by pressing the foot in particles at least partly surrounded by a flexible elastic film, pumping out the air between the particles, fixing the particles relative to each other by the air pressure, then filling the cast with a rapid-solidifying moulding material. The particles have good free-flowing properties and comprise a mixt. of particles of greatly varying size or equal size. They may consist of thermoplastic material e.g. polyethylene or polypropylene ground for regeneration or plastic or synthetic resin beads suitable for ion exchangers with a bulk density of approx. 200-400g-l.
Patent DE-2617516-A1 (DE)
Title: Volumetric displacement piston engine ror driving or driven units - has separated bearing and sealing por swashplate type piston
Inventor: REIS FRITZ
IPC: F01C9/00
Filed: 1976-04-22
Abstract: The volumetric displacement piston engine, usable either as a driving or as a driven unit, has a disc-shape swash-plate piston (5) on a spherical mounting (4) which is part of the main shaft (3). The piston is free to rotate on the mounting; a radial plate assembly (9) fitting into a slot in it both controls its movement and partitions the working chamber. Assembly comprises one part (12) fixed in the casing, embodying the contact surfaces with the piston; a second part (17), free to telescope radially within the first, seals the gap between he fixed part and the piston mounting. This gap should be not more than 1/2 the assembly thickness; pref equal to the max desired clearance between the two. Lockable screws (20) pass through the fixed plate into threads (21) in the moving plate, permitting radial adjustment of the latter without displacement of the bearing surfaces.
Patent DE-2628919-A1 (DE)
Title: Nibbling saw with variable stroke adjuster - has pair of saw blade mounting clamps with ends coupled to flexible transmission band
Inventor: EHRENSBERGER HUGO
IPC: B23D51/16
Filed: 1976-06-28
Abstract: The nibbling saw has a variable stroke adjuster for the saw blade. It has an eccentric drive. Two mounting clamps (14) are movable to receive the saw blade (6). Each clamp (14) has a flexible transmission (8) at one end to reciprocate the saw blade (6). One end of the transmission is fixed to an eccentric (5). The transmission (8) can be formed from a flexible plastics or steel band. An adjustable crank pin (15) can be installed between the eccentric (5) and the fixing point (16) of the transmission band (8). An adjustable tensioning arrangement can be provided for the flexible transmission band.
Patent DE-2628964-A1 (DE)
Title: Oxalate complex fireproofing agents - for use with polyesters are not harmful to skin when used in textiles
Inventor: GERLACH KLAUS DIPL CHEM DR
IPC: C08K5/098
Filed: 1976-06-28
Abstract: Flameproofing agents for polyesters consist of oxalic acid complexes. The anion is pref. of formula: /ZC2Q4)n / Z is one or more central atoms and n is the no. of ligands Z is pref. >=1 of Mg, Ca, Sr, Ba, Zr, Hf, Ce, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Sn, Pb or Sb. The cationic component of the complex is pref. Li, Na, K, Rb, Cs or NH4 or one of these and Ba. The cpds. are esp. useful for treating polyethylene terephthalate, polypropylene, terephthalate or polybutylene terephthalate. Pref. 1-40 wt.%, esp. 5-15 wt.% of complex is used. The cpds. have better flameproofing effect than known prods. and are not harmful to skin when used in textiles.
Patent DE-2630690-A1 (DE)
Title: Split tape wound core, annular tape wound core mfr. for transformer - involves thermal treatment, resin impregnation and polymerisation steps, resulting in higher Tesla values
Inventor: BRICE AUGUST DIPL ING
IPC: H01F41/02
Filed: 1976-07-08
Abstract: Mfr. of split tape wound cores and annular tape wound cores for use in transformers or translators in electrical and electronic applications involves an initial thermal treatment, after mechanical pre-preparation, in which the cores are heated to 850 degrees C, soaked and then slowly cooled to room temp. The cores together with the wooden centre cores are then impregnated in vacuum with a mixt. of araldite (RTM), reactive diluted araldite, and curing agent at 80-90 degrees C. This is followed finally by the polymerisation step in a heated cabinet of 200 degrees C. The magnetic value of the cores can be raised to 2 Teslas and the mass of the transformer etc. can be reduced and its rating increased. The amt. of Cu used in the construction can be reduced.
Patent DE-2632509-A1 (DE)
Title: Floor wiper with cuboid cellular rubber pad - has U:section holder, with demountable pad held by spaced horizontal rods
IPC: A47L13/11
Filed: 1976-07-20
Abstract: The floor wiper has a cellular two-piece (10, 11) rubber pad with four utilisable active edges (14-17). The edges are deployed in a sequence as they wear by re-orienting the pad in the pad holder (2, 3). The pad is built up from rectangular layers (10, 11). The blade holder is of 'U' section and houses the composite pad with one long side projecting. The pad is held in position by horizontal rods (5) projecting at intervals from the inner holder walls and traversing pad holes. One leg (2) of the holder may be demountable to facilitate pad renewal and re-orientation. In this case the rods (5) project from the fixed leg (3) and may be used with nuts (7) to secure the other leg (2) in place. Alternatively the holder may be monolithic 'U' with the rods on a demountable plate. Successive pad edges (14-17) are deployed by a reversal, an inversion, and a further reversal of the pad.
Patent DE-2632861-A1 (DE)
Title: Light guide fibre filter - has sinusoidal deformation of core radius along fibre determining spectral pattern and damping of filter
Inventor: MAHLEIN HANS F DIPL PHYS DR RE
IPC: G02B6/34
Filed: 1976-07-21
Abstract: Monomode light guide fibre filter has sinusoidal deformation of core radius along fibre determining spectral pattern and damping of filter. The light guide fibre consists of a core and a sheathing. The core radius alternating by increases and decreases. The deformation of the core radius has a space wavelength whic is big in relation to the vacuum wavelength of the light guided in the filter. A relation is specified which comprises the refractive index of the core and of the sheathing. The refractive index of the sheathing is less than the refractive index of the core.
Patent DE-2632938-A1 (DE)
Title: Power operated chuck assembly - has stops acting on jaws each fitted with receiving jaws lying on same circle
Inventor: DORP HEINZ VOM ING GRAD
IPC: B23B31/167
Filed: 1976-07-22
Abstract: The power operated clamping installation has a chuck with at least six basic jaws. Stopping or positioning elements are provided which act directly or indirectly on the basic jaws, being capable of being released or by-passed. There elements permit a basic jaw stop or positioning at least at approximately half their radial stroke. The basic jaws are each fitted with a receiving jaw, so that the workpiece contact surfaces of all receiving jaws lie on the same concentric circle in the middle position of the basic jaws. The chuck is connected to a multiple position cylinder which acts as operating components for bringing it to a central position.
Patent DE-2639503-A1 (DE)
Title: Demountable element partition wall - has ceiling and plinth joint battens and two element thicknesses selectively combined
Inventor: NOLL GUENTER
IPC: E04B2/74
Filed: 1976-09-02
Abstract: The system permits construction of partition walls of any size, from selected mass-produced and prefabricated elements and with no fixtures visible. Attractive and effective structures are produced by installation of ceiling joint battens, plinth assembly battens, thinner (3, 5) and thicker (4, 6) wall elements in three planes. These are easily combined to make up a partition wall of hand-made workmanship quality, using min. tools and with no hard or skilled labour involved. Sealing profiles (12, 13) may be applied to grooves at all connecting points. Walls, also suitable for shelving or cupboards, can be readily dismantled or moved.
Patent DE-2643511-A1 (DE)
Title: Rotating conveyors for horizontally placed barrels - uses endless synchronised conveyor chain strands connected by cross stays and barrel support wheels
Inventor: HELZEL KURT
IPC: B65G17/24
Filed: 1976-09-28
Abstract: Rotating conveyors for barrels lying horizontally and filled with a liquid, includes two endless conveyor chain strands running synchronised at a distance from each other connected to each other by cross stays. Rotating barrel support wheels are co-ordinated to the cross stays in pairs with the free distance of the barrel support wheels from each other in the direction of conveyor movement being always = the dia. of one barrel. The barrel support wheels (3) are made turnable by an additional drive (9 to 13) jointly and independent from their onward movement in the direction of conveyor movement (20).