baber/WOPTO huggingface dataset:
Patent DE-2646106-A1 (DE)
Title: Vinyl! phosphonate and acrylate! or methacrylate! co-oligomers - contg. hydroxyl gps. and built into opt. foamed polyurethane(s) as flame proofing agents
Inventor: KONTER WOLFGANG DR
IPC: C08F230/02
Filed: 1976-10-13
Abstract: New OH gp.- contg. co-oligomers (I) contain (a) vinyl phosphonate esters and (b) acrylates or methacrylates, and have average mol.wt. 600-8000. Mol. ratio (a):(b) is 1:1 to 20:1 (esp. 2:1 to 15:1). Opt. cellular polyurethanes are prepd. by reacting (i) polyisocyanates with (ii) higher- or lower mol.wt. cpds. contg. NCO-reactive gps., including sufficient (I) to provide 0.3-2 wt.% P to the polyurethanes, and opt. (iii) blowing agents, catalysts and standard additives. A pref. (I) is prepd. from dimethyl vinyl-phosphonate and hydroxyisopropyl methacrylate. (I) are (i) liquid, low-viscosity prods. which are easily worked into polyurethanes. (ii) (I) contain no elements causing sec. damage on pyrolysis. (iii) Addn. of (I) also stabilises soft foams against ageing. Flame-proofing effect of (I) can reduce combustion rate of soft foam samples by 50-60%.
Patent DE-2646899-A1 (DE)
Title: Reproduction of video signals on magnetic tape - is carried out at different speed, with reproduced video signal subjected to standard change
Inventor: HEITMANN JUERGEN DIPL ING
IPC: H04N5/937
Filed: 1976-10-18
Abstract: The oblique signal tracks are scanned during reproduction at a speed different from that used during recording. Speed of tape transport and of the magnetic head wheel are both changed so that the head does not move away from the track. The time transformed video signal is subjected to standard change, so that a video signal synchronous with the studio standard is obtained. The equipment comprises a tape machine (r) with an output to two memory units (2, 3) each with output passed to a change-over switch (9) connected with the output terminal (10). There are two pulse generators (4, 6) one giving signals to the memories (2, 3) and the other feeding synchronisation signals to the input/output change-over switch (8).
Patent DE-2649408-A1 (DE)
Title: Hand grip or arm rest fitting - has bayonet connector with harpoon-shaped locking projections held in position by sprung projections
Inventor: JANZ JOACHIM
IPC: B60N2/75
Filed: 1976-10-29
Abstract: The adaptation nipple (7) is formed as a bayonet connection able to turn in the inner panel, opening (6) which is provided with widened parts (23). The nipple has locking projections (11) which rest on the reverse side on the inner panel when engaged. The projections are locked in position by sprung projections (24) formed in the widened part of the opening. The locking projections (11) are harpoon shaped and rest on the reverse surface of the panel.
Patent DE-2652965-A1 (DE)
Title: Sulphur di:oxide recovery from aq. sulphuric acid - by thermal decomposition over titanium di:oxide catalyst, e.g. using heat from nuclear reactor
Inventor: FREMERY MAX DIPL CHEM DR
IPC: C01B17/50
Filed: 1976-11-22
Abstract: Recovery of sulphur dioxide from sulphuric acid involves passing the opt. conc. aq. acid over a Ti dioxide catalyst at 800-900 degrees C. The catalyst may be supported on metal oxide(s) calcined at elevated temp. The acid pref. contains 50 wt.% water. The catalyst contains 5-50, esp. 15-40 wt.% Ti dioxide, pref. on an (alpha) alumina support. In an example, using a catalyst contg. 40% Ti dioxide, 98.2% decompsn. of 74.5 wt.% a acid was attained at 850 degrees C and 93.2% decompsn. of 48.4% acid at 810 degrees C). Process is of value in the thermochemical or hydrid prodn. of hydrogen from water and the heat required can be obtd. from a hot coolant from a high temp. nuclear reactor. Almost complete decompsn. of S trioxide occurs over this catalyst and the presence of steam is not harmful.
Patent DE-2654551-A1 (DE)
Title: Pressed sheet steel rope clamp - has non-aligned holes in folded clamp for jamming rope using bent tag
Inventor: HUEBNER HEINZ-RICHARD
IPC: F16G11/00
Filed: 1976-12-02
Abstract: The rope clamp is made from folded and cut sheet metal and eliminates the need for making a knot in a rope end. the sheet metal clamp is folded (9) so that the holes in each half are not aligned but overlap. The rope placed through these holes is trapped by jamming. A narrow tag at the clamp end is bent over the folded arms of the clamp. The ends of the clamp can be rounded or square. The clamp arms are pulled apart for releasing the rope which readily slides out of the holes.
Patent DE-2700215-A1 (DE)
Title: Substd. thiophenes prepn. by dehydrogenation - of dihydrothiophenes or disulphido-bis-dihydrothiophenes, using halogen (cpds.)
Inventor: ROSSY PHILLIP A DIPL CHEM DR
IPC: C07D333/32
Filed: 1977-01-05
Abstract: Prepn. of thiophenes of formula involves (i) dehydrogenation of dihydrothiophenes of formula (II) by means of phosphoric acid chloride or bromide SO2Cl2, SO2Br2, Cl2, Br2, I2, or R10 -CO-N(X)-R9 or (ii) dehydrogenation of disulphido-(3,3')-bis-(dihydrothiophenes) of formula (III): or of dihydrothiophenes of formula (IV) by means of SO2Cl, SO2Br2 or Cl2. In the formula R1 is a gap. (V):- R3-O-, R3-S-, r3-2N-, R3-SO3-, R3-CO-S- or R3-CO-O-; R2 is -CO-OR3, -CN, -CO-NR32 or -CO-R4; R3 and R4 are (cyclo)aliphatic, araliphatic or aromatic gps, and R3 may also be H; R1 and R2 may also together form a gp. R5 is H; R6 is -N-R8, -O-, or -S-; R7 is a (cyclo)aliphatic araliphatic or aromatic gp., or R5 and R7 may form, with the 2 adjacent C atoms, part of an aromatic residue; R8 is H or an aliphatic gp.; R9 is H or -CO-R10-R10 is an (ar)aliphatic or aromatic gp., or 2 R10 gps. may form together a -CO-R11 or -NX-C(R3)2-CO- gp.; R11 is an alkylene gp.; R12 has the same meaning as R1; R13 has the same meaning as R12 or when R12 is (V), R13 may be a gp.: X is Cl or Br; and n = 0 or 1.
Patent DE-2700503-A1 (DE)
Title: Control system for switching household lights - uses electromagnetic or sound waves of different frequencies for different lights
Inventor: OBERREUTHER ALFRED
IPC: G08C17/00
Filed: 1977-01-07
Abstract: The control system switches household lights on and off using electromagnetic waves or sound wves. The waves are detected by receivers permanently housed in the light holder and operate switches, also inside the holder or at another point. Waves of different frequencies can be used to switch different lights. The receivers on each light or group of lights are tuned to different frequencies. The intensity of the light may also be varied. A stepless type of dimmer may be used, giving gradual switching on or extinction of the lights. The dimmer setting may be determined by the frequency generated by the control system; this frequency may be varied between given limits.
Patent DE-2701182-A1 (DE)
Title: Supercharged two stroke engine - has blower which supplies fresh air charge during piston expansion stroke, and fuel injection system
Inventor: KOHLHEPP FRIEDRICH
IPC: F02B75/02
Filed: 1977-01-13
Abstract: The engine has an inlet slot in the cylinder sleeve and one outlet valve in cylinder head. The working cycle is completed over one crank revolution. In the working cycle the piston moves downwards under the pressure of expanding gases. The outlet valve opens and shortly after that the inlet slot in the cylinder wall is opened by the piston upper edge. Air is blown into the cylinder by a blower for exhausting combustion gases. The air is subsequently compressed when the piston moves upwards, fuel being then injected for ignition to continue the cycle.
Patent DE-2705606-A1 (DE)
Title: Regenerating used foundry sand by dry mechanical treatment - sand being fed down vibrating tower filled with steel wool
Inventor: JACOB HERMANN
IPC: B22C5/04
Filed: 1977-02-10
Abstract: The regeneration of used foundry sand involves cleaning and cooling, the used sand being fed through vibrating metal- fibres or- particles, and possibly feeding fresh- or heated- air through the fibres or particles. The energy vibrating the metal fibres is also used to feed the used sand into the tower contg. the fibres. The pref. plant has a vertical tower contg. a stack of perforated plates on which bundles of metal fibre rest. On the periphery of the tower is a helical track; and vibration of the tower forces the old sand up the track to a top inlet via which the sand flows down the tower through the fibre bundles. Process and plant are simplified compared to prior art.
Patent DE-2709021-A1 (DE)
Title: Fence comprising posts and horizontal rods - is assembled from prefabricated concrete components
IPC: E04H17/14
Filed: 1977-03-02
Abstract: The fence, made up from upright posts and horizontal rods suspended position between them, is designed for rapid erection, and weather resistance. It is completely or mainly made from prefabricated concrete components (1, 2). The rods (2), at least can be made of reinforced stressed concrete, pref. in long strips cut to length. The posts (1) may incorporate cutouts (3) to hold the ends of the rods, each pref. with a lateral insertion hole closable by an insertable closure piece, which can be detachably fastened. This piece in turn may have holes for screws. Each post cutout may have three holes, pref. in a vertical line, for insertion of fixture elements for a closure piece. Posts may also be fitted with retainer pieces to form-lock the ends of two rods.
Patent DE-2710332-A1 (DE)
Title: Contaminated solvent recovery - by distn. with steam in forced circulation for solvent vaporisation and condensation
Inventor: GLASZ GEORG WOLF
IPC: B01D3/38
Filed: 1977-03-09
Abstract: Badly contaminated solvents, e.g. in the cleaning, extn. on dilution industry is recovered by distn. after saturated steam has been added. The mixture passes the distillation stage in forced circulation until the solvent has been vaporised. The residue is removed and the evaporated solvent/water mixt. is condensed and passed through a water separator. The addn. of steam causes components which tend to precipitate lacquers and sludge to be kept in suspension. The residues can be blown out of the chamber without forming incrustations. Badly contaminated solvents can now be recovered profitably.
Patent DE-2710843-A1 (DE)
Title: Metal encapsulated high pressure gas insulated bus duct - incorporates internal conducting rings as arcing points to absorb heat before circuit breakers act
Inventor: HEISE WERNER DR ING
IPC: H02B13/065
Filed: 1977-03-12
Abstract: The object is to assist in protecting the duct wall (1) against damage due to arcs between it and the central conductor. For this purpose local rings (2) are fitted to the inside of the duct wall. Each ring is electrically connected to the duct at one point but isolated over the remainder of its periphery. The intention is that an arc starting anywhere in the duct will quickly travel to the nearest arcing ring where the bulk of the heating will take place before the circuit is interrupted by the protection. The risk of burning a hole through the duct wall, and thereby necessitating extensive repairs, is thus greatly reduced.
Patent DE-2715332-A1 (DE)
Title: Digital data transmission system - has A=D converter to allow data buffer memories at transmitter and receiver to handle voice signals
Inventor: HOEFGEN GUENTER DR ING
IPC: H04W88/18
Filed: 1977-04-06
Abstract: The digital data transmission system uses buffer memories at its receiver and transmitter for data. To allow voice signals to be sent an A/D converter (3) is connected to the input of the transmit memory (4). An address generator (6) adds the address of the wanted receiver to the voice signals being sent. The receiver has an address evaluator to read these addresses. The A/D converter is a delta modulator. Nothing can be written into the transmit memory during read out.
Patent DE-2717905-A1 (DE)
Title: Labour saving bed making device - has holders clamping end corners of bed and bed clothes before drawing up latter
Inventor: KRECK HERBERT
IPC: A47C21/02
Filed: 1977-04-22
Abstract: The bed making mechanism is in the form of a doubled holder which had displaceable arms which can be adjusted and fixed to match the width of any bed. The two end corners of the bed clothes are then clamped into each sprung handle at the end of the holder arms together with the two end corners of the inner bed which are clamped in the same handles. The bed clothes can then be drawn up over the bed and tucked in as before.
Patent DE-2717997-A1 (DE)
Title: Single pulse direction finder - is for aircraft landing systems and has elevation and/or azimuth calculated from virtual polar diagram
Inventor: KOHLER KARL
IPC: G01S3/14
Filed: 1977-04-22
Abstract: The single-pulse direction finding system for measurement of azimuth and/or elevation in aeronautical navigation installations, esp. aircraft landing systems, comprises an array of aerials (2) with a row of reference aerials (3). Each antenna is connected to a receiver and amplitude and phase detector (7). The phase of each signal is measured with relation to that of a reference oscillator (5). The grid arrangement of antennae with line and column spacings of one wavelength has a virtual polar diagram formed from two groups of aerials and by obtaining the vector sums of the measured amplitude and phase values. These amplitude and phase values are varied prior to summing so the resulting signal is the same as that which would be obtained if the lines of aerials had had a specific polar diagram.
Patent DE-2723228-A1 (DE)
Title: Episcope with constant illumination - uses vertical objective lens and mirror to project from original lit by reflected light inside appts.
Inventor: LANDSEE RAINER
IPC: G03B21/06
Filed: 1977-05-23
Abstract: An episcope with lamphouse, lamp, condenser lense, and heat filter, avoids the problems of diminshing light output, and hence quality with time by its arrangement of optical axes. The optical axis (12) of the objective lens (10) is arranged to be vertical or at most 30 deg. offset from the vertical. The objective lens is situated in the upper casing (1) of the episcope and the light path diverted 90 deg. by a mirror (9) after passing through the lens (10). The mirror (9) is also hinged (8) so that it folds over the lens to form a dust seal. Original are placed on a glass plate (16) which has another glass plate (17) above it. Cooling air is blown between the two. illumination is from a lamp (13) and condenser lenses (15).
Patent DE-2723712-A1 (DE)
Title: Addn. of limestone slurry flux to ceramic batches - reduces the amts. of sulphur oxides and fluorine produced during firing
Inventor: ISEKE HERMANN
IPC: C04B33/132
Filed: 1977-05-26
Abstract: Limestone slurry is used, as in Parent patent as a flux additive for ceramics, partic. bricks, wall or floor tiles and pottery. The slurry is obtd. by the breaking up, sieving and washing of the limestone, then separating out particles with size >100 mu from the resulting slurry. Use of the slurry, in amts. between 1-19 (5-15) wt.% based on the total solid content of the ceramic batch, leads to a redn. in the environmentally harmful components in the flue gas during firing. Harmful components in the flue gas are reduced without requiring the addition of filtration units and without requiring the disposal of the filtered prod.
Patent DE-2726816-A1 (DE)
Title: Chemical cleaning of boiler and smoke flue - by spraying with detergent contg. film forming mineral oil fraction and operating boiler
Inventor: ALFERMANN JOSEF
IPC: F28G11/00
Filed: 1977-06-14
Abstract: The process involves removing loose soot, spraying the surface to be cleaned with a detergent contg. a film-forming mineral oil fraction and setting the boiler in operation again. The process is also suitable for cleaning coke boilers, smoke traps and chimneys. The need for mechanical removal of deposits is eliminated and the process is rapid, simple and economical, since the residues loosen and burn away. Even areas which are not readily accessible can be cleaned without difficulty.
Patent DE-2728929-A1 (DE)
Inventor: SCHNEIDER WILFRIED
IPC: E02B7/20
Filed: 1977-06-27
Abstract: Reservoirs (2, 3) for receiving fuel elements or the like in nuclear facilities can be separated from one another by walls (1). Arranged in between are passages (4) which can be closed by a lock gate (5). The lock gate (5) is pivotably fastened to a cross piece in such a way that it can be adjusted to two bearing surfaces at opposite sides (20, 21) of the wall (1). The invention is especially of interest for disposal facilities in which a whole series of reservoirs (2, 3) are separated from one another by walls (1). <IMAGE>
Patent DE-2734250-A1 (DE)
Title: Tear-open liq. pack or carton - has protruding strip of non-stretching material welded into transverse sealing seam
Inventor: REIL WILHELM
IPC: B65D5/40
Filed: 1977-07-29
Abstract: The packing for liquids is of material such as cardboard, made impermeable by a coating of plastics and with a pouring spout at one corner formed by tearing open. In the respective end wall transverse and lengthwise sealing seams meet, and a perforation line is formed in only one of the two layers of cardboard forming the end wall, running parallel to the transverse seam and outside it from the meeting point to the spout tip. Inside, a plastics edge guard strip is sealed in place, covering the inner protruding edge along the lengthwise seam. A strip (6) of non-stretching material is welded into the transverse seam (7) and protrudes freely outwards at the meeting point (26) of the seams beyond the edge of the upper cardboard layer. On the inside it protrudes at right angles to the lengthwise seam (27) beyond the end of the edge guard strip.
Patent DE-2740696-A1 (DE)
Title: Grinder or polisher for faces stones - has work face on table moved with circular movement superimposed on linear feed
IPC: B24B7/22
Filed: 1977-09-09
Abstract: The machine is mainly for use on large flat stones. The machine consists of two columns (24) on which a slide (30) is mounted. A grinding head carrier can move to and fro on the slide, while the grinding head can move up and down on a vertical guide (26). The workpiece (12) is moved under the traverse on a transport belt (40), while the grinding wheel (28) is moved across the width of the workpiece. The grinding wheel will carry out a linear movement at an angle to the movement of the stone. The traverse (30) is mounted on two eccentrics (34) which are driven synchronously, so that a circular movement is superimposed on the linear movement.
Patent DE-2743373-A1 (DE)
Title: Battery-powered load carrying vehicle - has hydraulic crane column with rotatable hydraulically operated arm and boom
Inventor: FRISCH VLADIMIR PETRU DIPL ING
IPC: B60K1/04
Filed: 1977-09-27
Abstract: The battery-powered vehicle with a loading platform has a swivable hydraulic crane whose drive motor is connected to the vehicle batteries. The vehicle is fitted with laterally extendable stabilizing legs. The main column of the crane has suspension loops at its top end to which is swivably attached an arm by means of a bolt. A boom ending in a crane hook is swivably attached to the other end of the arm. The boom is swivelled using a hydraulic cylinder attached to the top of the arm while the arm itself is swivelled by a further hydraulic cylinder attached to its underside and having its lower end mounted on the vehicle body.
Patent DE-2744742-A1 (DE)
Title: Harmful IC engine exhaust gas contents reduction system - uses short term retard on acceleration to reduce pollutant peak values
Inventor: STICHLER BERND
IPC: F02P5/10
Filed: 1977-10-05
Abstract: The system reduces the amount of harmful products in the exhaust gas from a combustion engine by retarding the ignition point for a short interval of time when the vehicle accelerates. The start and duration of this retardation depend on the speed, various electrical, pneumatic, hydraulic or mechanical parameters, and on the pressure in the exhaust pipe. With the exhaust pipe are associated two membranes: one (3) providing advance during acceleration and the other (7) acting against it and producing brief retardation.
Patent DE-2752244-A1 (DE)
Title: IC engine ignition test system - uses time variation of current in transformer primary as indication of functioning
Inventor: LANGOSCH HERBERT
IPC: F02P17/12
Filed: 1977-11-23
Abstract: The test device is used for testing ignition systems or IC engines in situ. It uses the time variation in the current in the primary or secondary winding (or the voltage induced in either of these windings) as an indication of the correct functioning of the ignition system. The rise time of the primary current indicates the resistance in the secondary circuit. A rise time that is too short indicates moisture in the distributor (if the latter is an 'open' type) or an inter-turns short circuit in the secondary.
Patent DE-2752672-A1 (DE)
Title: Internal annular grooves in plastic tubes - mfd. by expanding multi-segment chain with support bush
Inventor: PENZKOFER LUDWIG
IPC: B29C57/04
Filed: 1977-11-25
Abstract: Internal annular grooves for the reception of O-rings are formed in plastic tubes and fittings by a universal device with expanding segments. The segments are joined to a chain and can moved out or in from the interior of the device on a spiral track. In the extended position the segments form a seal both against each other and against the outside of the tool. This device produces extremely exact annular grooves. It is universally usable, for extended smooth tubes (after heating) as well as for injection moulded tubes or for use inside the injection moulding tool.
Patent DE-2811692-A1 (DE)
Title: Plastics profiled window frame grid - simulating old-fashioned small-pane window, has U-cross=section and lipped sealing trim along edges
Inventor: POTTHAST FRITZ
IPC: E06B3/68
Filed: 1978-03-17
Abstract: A plastics profile arrangement represents a window frame with lengthwise and intersecting cross profiles, the whole being adapted to be fastened e.g. by glueing over a relatively large-size window pane so as to convey the impression that the window is composed of a number of small square or rectangular section and not a single large-pane window. The purpose is to simulate a somewhat "old-fashioned" style of facade whilst still enabling large-pane windows to be installed which are adapted e.g. for fitting double-glazing. The cross-section of the profile(s) is vaguely "U" shaped with diverging "legs" the "legs" carrying seals bearing upon the glass pane and having a sealing lip.
Patent DE-2811889-A1 (DE)
Title: Purified sodium chloride prodn. from rock salt - by agitation with acidified brine and washing with alkaline brine to reduce appts. and energy costs
Inventor: SCHEBEK OTTO
IPC: C01D3/08
Filed: 1978-03-18
Abstract: Rock salt is ground to not >2 mm particle size and added to a neutral brine satd. with NaCl and kept in it for 2-24 hr. then HCl is added to the suspension to a concn. of 0.1-1.0 N, with vigorous agitation, and the suspension is agitated for another 1/2-5 h. The NaCl is then sepd. from the suspension, washed with alkaline brine and dried. A prod. contg. over 99.8 wt.% NaCl is obtd., which is suitable for most technical applications, without the high costs of appts. and energy associated with the 'boiling salt' process.
Patent DE-2812660-A1 (DE)
Title: Data retrieval system using controlled film projector - has film frame selection using binary coded address drum driven by motor
Inventor: ERMAKOV VERLEN NIKOLAEVITSCH
IPC: G06F17/30
Filed: 1978-03-22
Abstract: The data retrieval system comprises a film projector with a transport mechanism and electromagnet clutch with rotor connected to a toothed wheel and pulley wheel. The latter carries perforations used as coding symbols corresponding to the number of frames of film in binary code. The address code is carried on a drum also perforated with binary-coded holes and coupled to the pulley wheel which is driven by an electric motor. The system also incorporates a holding device for one film frame which contains a coincidence circuit connected to a circuit for change-over and reversal operations. The outputs from the control circuit are connected to the electric motor and electromagnetic clutch.