baber/WOPTO huggingface dataset:
Patent DE-2354916-A1 (DE)
Title: Controller circuit with PI or PID action - has switches to cut out I action using clamping circuit with operational amplifier
Inventor: KIRSCH RAINER DR-ING
IPC: G05B5/01
Filed: 1973-11-02
Abstract: The I action is switched off after an adjustable value of the control variable has been reached. A clamping circuit limits the control variable to the adjustable value until an adjustable value of the control deviation is reached. The clamping circuit can contain an operational amplifier, to whose inputs the control variable and a voltage with the adjustable value are conveyed and whose output is connected via a diode to the input of the controller circuit. A relay, activated via the amplifier output, has a working contact parallel to a capacitor determining the I action of the controller circuit.
Patent DE-2363161-A1 (DE)
Title: Knitted fabric pattern effects - has individual stitches in a row of a combination of thin bonding and thicker pattern yarns
Inventor: ESSIG KARL
IPC: D04B1/00
Filed: 1973-12-19
Abstract: The system to give a colour patterned effect to knitted fabrics, uses adjacent stitches in each row which are composed of one or more thin bonding yarns, one or more thicker pattern yarns, and combinations of the two types of yarns. The system gives a flecked pattern effect to the knitted fabric, witout using a Jacquard.
Patent DE-2402004-A1 (DE)
Title: Machine for dressing workpieces with opposing faces - has two grinding belts which between them advance opposing support mechanisms
Inventor: FAESI NIKOLAI
IPC: B24B53/10
Filed: 1974-01-11
Abstract: Machine for dressing workpieces with two opposing faces where there are two grinding belts which between them advance opposing support mechanisms, which are pressed against each other and between which the workpiece to be machine are so passed that their opposing surfaces are ground on contact with the belts. The two belts from between them an angle of less than 180 deg. such that the resultants of the friction forces exerted by the belts on the workpieces ensures the transport of the workpieces between the belts. Liquid cooling sprays are directed at each belt surface from jets in the belt grinding block.
Patent DE-2404863-A1 (DE)
Title: Separating method for material cut outs - carrying plate with detachable means of adhesion brought into contact with material
Inventor: GENGENBACH OTTO DIPL ING
IPC: B65H3/22
Filed: 1974-02-01
Abstract: Separating method is for cut outs made of material not capable of sliding on each other from a stack and/or to manipulate such materials. A carrying plate of stable form is brought into contact with the accessible surface of the material preferable in a predetermined relative position and using detachable means of adhesion equally distributed over the surface of the carrying plate and in the form of adhesive points or lines. The required movement of the carrier is then carried out with the material hanging on it. The means of adhesive used include vacuum, electrostatic charging of a liquid adhesive.
Patent DE-2421968-A1 (DE)
Title: Curtain runner arrangement for easy hanging - comprises evenly spaced runners gathered together by draw cord
Inventor: KASIK GEB BAUER ROSA
IPC: A47H15/04
Filed: 1974-05-07
Abstract: The curtain hook and runner tape comprises runners mounted at intervals on a draw member or tape so that the heads or thick parts of the runners located above the slot in the curtain track are connected together by a draw member whereby the latter evenly lines up the runners when on the track. The draw member can be an ordinary cord which engages the runners which are evenly distributed along the finished curtain, e.g. at the pleasts and folds which are in any case the heaviest part of the cutain. A fork-like aid can be provided for facilitating the insertion of the runners in the curtain track.
Patent DE-2424622-A1 (DE)
Title: Set of cubes to teach counting and calculating - each cube coded, all held together by elastic band through middle
Inventor: HEITZ DIETER
IPC: G09B23/04
Filed: 1974-05-21
Abstract: A set of bricks to teach a child to count and multiply, employs cubes which can be built, up in sets to form blocks or shapes, so that instead of writing the numbers down, sets of blocks can be seen and handled, the size and shape giving a tangible impression of the numbers involved. A set of cubes each has a hole between two parallel and opposite faces, so that an elastic cord can be threaded through them, to form a single line. One face has a cross, the hole passing through its centre, and an adjacent face which can be marked with a number forming one of the set of numbers, also carries a groove across it.
Patent DE-2430969-A1 (DE)
Title: Terminal strip with foldable housing - has housing halves hinged at three points on fold axis with tensioning lugs
Inventor: BEYER DIETER
IPC: H01R9/26
Filed: 1974-06-27
Abstract: The terminal strip consists of a single insulating sheet hinged halfway along its length to allow the sheet to be folded in half to complete the terminal strip housing. The hinges are formed by three flexible webs. The central web (4) is the largest, and the outer webs (8, 9) are located at the edges of the sheet. The latter is profiled to accept contact pieces and has locking members to hold the folded halves together. The advantage of this housing construction lies in the possibility to manufacture the whole housing in one piece with no additions other than the metal parts. In closed condition the central web provides tensioning force on the two halves.
Patent DE-2431619-A1 (DE)
Title: Sound transducer for acoustic surface waves - has two electrodes with metal fingers with constant depth of overlapping
Inventor: HAYDL WILLIAM DR ING DR
IPC: H03H9/145
Filed: 1974-07-02
Abstract: The transducer suppreses the side minima or influences the transmission curve of the filter to maintain a desired filter characteristic. The width of the electrode fingers varies in accordance with a mathematical function, increasing or decreasing. The transducer is designed for and operated at a harmonic frequency. In one embodiment the amplitude of the excited wave at the first and third harmonics conform to the formula fn=vn/1 where n equals an odd harmonic frequency, 1 the distance between the fingers of an electrode, and v the acoustic speed. The electrodes (5 & 6) convert an arriving surface wave into an electrical signal (7).
Patent DE-2432334-A1 (DE)
Title: Insulin from a plant source - by extraction of the fruit or seed cultures of Memordica charantia
Inventor: KHANNA PUSHPA DR
IPC: C07K14/625
Filed: 1974-07-05
Abstract: Insulin is obtained by (a) extracting seed cultures or the fruit of memordica charantia with a mixt. of EtOH, H2O and H2SO4; (b) adjusting the pH of the extract to 1.5-2.0 by adding NH4OH or HCl; (c) adding cold EtOH and Et2O to ppte. the insulin; (d) crystallising the insulin in the presence of traces of Zn; and (e) purifying the product by thin-layer chromatography (TLC). The insulin is obtained from a cheap source without the slaughter of animals; the product does not induce antibody formation in humans, even when administered in high doses, and there is no risk of pathogenic viruses being transmitted. The fruit is pref. harvested in April, May and June. The seed cultures are pref. prepd. by notching the micropylar end of the seeds, culturing in 30 ml of a modified Murashige-Skoog (RT) medium contg. 1 ppm, 2,4-dichlorophenoxyacetic acid (2,4-D) and 1% agar for 36 months, transferring to a liq. RT medium contg. 1 ppm 2,4-D and shaking (60 min-1) at 26 degrees C with artificial illumination (1500-1800 Lux) for 4-6 months with frequent formation of subcultures. After extraction of the fruit or seed culture, the extract is pref. filtered, adjusted to pH 3.0 with NH4OH, mixed with cold EtOH and Et2O, kept at 0.5 degrees C for 12 hr, the ppte. crystd. with added Zn, the crystals dissolved in EtOH/NH4OH (1:2) and the soln. subjected to preparative TLC on silica gel with n-BuOH/H2O/HOAc (12:5:2).
Patent DE-2437163-A1 (DE)
Title: Spiral electric lamp element winding machine - has guide and tensioning pulleys symmetrical about winding axis
Inventor: BLUMBERG DIETER
IPC: B21F3/04
Filed: 1974-08-01
Abstract: A spool (1) mounted concentric to the machine winding shaft (2) contains the reserve of wire (13). The tensioning system comprises a pair of pulleys (5, 6) on an axle (7) mounted on a hollow shaft (8) which can move axially on the winding shaft. The winding head is made up of a pair of rollers (9, 10) perpendicular to the tensioner and another pair (11, 12) mounted obliquely. The wire from the spool runs over a pulley (3) and passes between winder and tensioner several times before being used. An auxiliary motor turns the spool (1) when an adjacent winding head is at rest and an electromagnetic clutch connects the spool to the rotating winding head.
Patent DE-2442756-A1 (DE)
Title: Fuels for petrol engines, contg. pure benzene - giving reduced carbon monoxide in exhaust gases
Inventor: SCHOENFELDT GERHARD
IPC: C10L1/06
Filed: 1974-09-06
Abstract: Fuel compsns. for petrol engines consisting of normal and/or super petrol, opt. with usual additives, contain 1-11 (5-8)% pure benzene, the addn. of which causes a redn. of CO in the exhaust gases to extremely low levels, usually below 0.5%. Pref. fuels also contain 0.1-1 (0.1-0.6)% upper oil (upper cylinder lubricant), esp. (I) 'Autol Desolite' (RTM), or (II) 'Autol Desolite Universal' (RTM) to protect the engine from corrosion, reduce chemical and mechanical wear, keep the carburettor and valves clean and ensure smooth running of the engine.
Patent DE-2443528-A1 (DE)
Title: Emergency supply circuit with two voltage comparators - regulates maximum and minimum limits of battery volts, and has controlling switch
Inventor: THALHAMMER PETER
IPC: H02H1/06
Filed: 1974-09-11
Abstract: The emergency supply circuit is designed to trigger an alarm when the mains supply or standby battery fails. There are two voltage comparators which monitor the maximum and minimum terminal voltage across the battery. A switch disconnects the battery when one of these limits is reached. A second switch, monitoring the mains voltage, blocks the first switch when the main supply fails. The comparators' 'actual' value inputs are connected to a resistive voltage divider across the battery, and their 'reference' inputs are connected to a zener diode circuit. The circuit is designed so that the battery is adequately protected.
Patent DE-2460695-A1 (DE)
Title: Strip line microwave phase shift - has continuous line electrically distanced from parallel tap lines terminated by PIN dioes
Inventor: SEDLMAIR SIEGFRIED DIPL ING
IPC: H01P1/185
Filed: 1974-12-20
Abstract: The parallel tap lines (9, 10) branch off from the continuous line (11-13) at a distance of a quarter-wavelength from each other and are so close together, that they are effectively coupled to each other. The distance between the tap lines end parts (14, 15) up to the PIN diodes (4, 5) increases continuously or in steps. The part (11) of the through line between the two tap lines (9, 10) is bent, so that the strips run parallel to each other in a direction opposite to the tap lines and are electrically coupled with each other. The length of this part is less than a quarter wavelength.
Patent DE-2502986-A1 (DE)
Title: Adjustment system for blades of a turbine compressor - with separate adjustment for each row of blade wheels through a crown wheel and gear system
Inventor: KOTZUR JOACHIM
IPC: F04D29/46
Filed: 1975-01-25
Abstract: Adjustment system for swirl blades which form part of rows of blades located behind each other of a turbo compressor. The angles of inclination of the blades on the blade wheels of both rows may be differentially adjusted through a common adjustable crown wheel through gear wheel positioned above the blade shafts. The differential adjustment is obtained by the diamter of the gear wheels being different according to patent 24 03 113. The rows of swirl blade wheels (1, 2) are positioned behind each other in the direction of the flow and axial to the direction of the rotor axis. Both rows of swirl blade wheels are adjusted by a separate crown wheel gear each of which may be operated independently or may be operated at a fixed relation to the other.
Patent DE-2509314-A1 (DE)
Title: Feeler controlled copying machine - uses compressible bellows or rack and pinion between template and tool slide
Inventor: FREDERICHS GEORG GERT
IPC: B23F23/12
Filed: 1975-03-04
Abstract: The machine uses different transfer units to give the various strokes and speeds of the actuators moving the slides and feelers. On the tool slide there is an emitter such as a compressible bellows with baseplate, flanges, pressure plate and flexible pipe for fluid. This is connected to a secondary setting device of similar construction inside guide columns, between which is a bridge piece carrying the template. As an alternative to the bellows a rack-and-pinion mechanism can be used, the pinion being mounted on a shaft accommodated in a housing screwed to the machine frame. A flexible shaft with protective hose is coupled between this shaft and a second rack-and-pinion mechanism whose rack is mounted on the bridge piece.
Patent DE-2513178-A1 (DE)
Title: Structured airjet-entwined, composite, thermoplastics yarn - with sections of bulky multifils contains lengths of non-thermoplastics such as viscose yarn
Inventor: LONDON JUN JOE FORREST
IPC: D02G1/20
Filed: 1975-03-25
Abstract: A structured yarn, entwined by air-jet twisting process, comprises several thermoplastics, endless, synthetic fibres and repeatedly occurring sections, each 3.2-25.4 mm. long, which consist of a elatively "open" part of bulky, fluffy, false-twisted, multifils and a relatively short intersection site where the multifils are placed closer together and intertwined about one another. Specif., the yarn is intermingled, in evenly spaced sections, with a non-thermoplastics thread which may comprise viscose. The yarn is less prone to "feazing" than prior-art structured, bulky, yarns, consisting entirely of synthetic, thermplastics, matl.
Patent DE-2516138-A1 (DE)
Title: Automatic inspection of glass or plastic bottles - using television camera for linear scanning of rotating bottle
Inventor: NAKATANI SATOSHI
IPC: G01N21/90
Filed: 1975-04-12
Abstract: Process for testing glass bottles which are illuminated and an image of the bottle, obtd. using transmitted or reflected light, is photoelectrically converted via a television camera. The bottle is moved in one direction and simultaneously rotated on its axis and the image is picked up by the photoemitting surface of a nonstorage camera tube to obtain an optical image of the bottle, and this image subjected to linear scanning along its centre-line. The movement of the bottle is synchronised with the linear scanning operation. Pref. a jig is used to move the bottles past the camera which is connected into an electronic circuit. Used for continuous automatic inspection of glass or transparent plastic bottles, where foreign bodies can be detected in the glass and an ejector mechanism is automatically triggered for removing the defective bottle.
Patent DE-2523448-A1 (DE)
Title: Contact member with holding rod - is inserted into hole in plastics component and is clamped in it and rod has ribs to give good contact
Inventor: PELZL LEO
IPC: H01R13/41
Filed: 1975-05-27
Abstract: The rod (1) has a series of traversal ribs whose high areas are pressed into the wall of the hole. The rod is at least approx. square, and the tops of the ribs are flattened and they blend smoothly into the grooves between them ribs are provided on all four sides of the rod and are inclined with respect to the longitudinal axis of the rod. The sense of slope of the ribs is different at each two rod sides, so that they form arrow-like points at the edges of the rod in order to give a firm mechanical engagement with the walls of the hole.
Patent DE-2539398-A1 (DE)
Title: Curtain rail of hollow rectangular cross:section - is stiffened by integral cross bars intersecting at two places
Inventor: MOELLER HUBERT
IPC: A47H1/04
Filed: 1975-09-04
Abstract: Double (10, 11) curtain rails are usually stiffened by wooden inserts; but these can be expensive, and difficult to obtain in sufficient lengths. The present curtain rails are conveniently stiffened by cross bars, made integrally with the rail. The results are as good as with wooden stiffeners, although the cross bars are thin. 1 mm is found sufficient, more being of no particular advantage. There are two places (5, 6) where the cross bars intersect. The vertical bars (7, 8) are nearer the sides than the middle of the central space.
Patent DE-2539487-A1 (DE)
Title: Paint roller for window frames - has transverse projections on handle to provide correct inclination of roller
Inventor: SCHAEDEL HEINRICH
IPC: B05C17/02
Filed: 1975-09-05
Abstract: The roller is for the painting of window frames, and consists of a roller and a handle. The pair roller (12) has a guide section (13) for support on a point (A) of the window pane (15). The handle (10) has a transverse member (14) for additional support and guidance of the roller on the window pane. The guide section for the roller is positioned on its shaft (12), and projects over its free end. The transverse member is fastened to the free end of the handle. When both guide sections engage on the window pane, the generatrix (E) of the roller, on the opposite side, encloses an obtuse angle (alpha) with a straight line on the window pane. The straight line forms a connection between the support point (A) on the guide for the roller and the centre of the transverse support member.
Patent DE-2540495-A1 (DE)
Title: Portable collector of solar energy - has upper and lower flexible sheets joined to form fluid flow passage and can be rolled up
Inventor: GRUNDMANN EDGARD ING GRAD
IPC: F24S10/70
Filed: 1975-09-11
Abstract: The collector is formed by two rectangular sheets which are joined by welding or soldering along their edges (2, 3, 4, 5). In the closed space formed between them partitions (8, 9) extend from one long side towards the other. The partitions do not extend the whole width but leave a gap at one side and alternate partitions have the gap on alternate sides of the sheets. A series of connected passages is thus formed through which water flows from an inlet (6) at one side to an outlet (7) on the other. The partitions can be integral with or welded to the inside of the upper and lower rectangular sheets. These sheets are flexible so that when the collector is empty it can be rolled up like a deflated mattress.
Patent DE-2547432-A1 (DE)
Title: Extraction and distillation unit - with sieve-plate column, reboiler, condenser and ancillary vessels
Inventor: KHAN MAHMOOD A
IPC: B01D3/14
Filed: 1975-10-23
Abstract: Appts. has a sieve -plate column with condenser and reboiler. Auxiliary vessels allow solids to be extracted, liquids to be fed to the column for liquid-liquid extraction and distillations to be carried out and liquid fractions collected. Used for pilot-scale investigational work, partic. in the field of natural products, plant extracts etc. A series of extraction and distillation processes may be carried out on for instance, a batch of material, without the need to assemble different combinations of equipment.
Patent DE-2557476-A1 (DE)
Title: Comb like fluid container for hair and scalp care - consists of plastics bottle with comb like top through which liquid is passed onto the scalp
Inventor: MOZES MIKLOS DIPL ING
IPC: A45D24/26
Filed: 1975-12-19
Abstract: Each tooth (17) of the comb has a narrow opening (16) on its point. This opening can be closed by means of a closing cap (14) on which are a number of needles (15) which are inserted into the tooth openings. The container is filled with liquid, through a filler hole (12) which can be closed by a stopper (13). When the stopper is in place the closing cap (14) can be removed without the danger of losing liquid through the narrow tooth openings (16). The comb is then passed through the hair while the user squeezes the bottle sides to regulate the quantity of liquid passing on to the scalp. After use the closing cap is replaced to close the openings to avoid evaporation of the fluid.
Patent DE-2605322-A1 (DE)
Title: Arc welding or cutting burners - fitted with light emitting diode indicating if remote power supply is switched on
Inventor: LOTZE WENDELIN FRANZ DR
IPC: B23K9/28
Filed: 1976-02-11
Abstract: Device for arc- welding and/or -cutting, using a source of electric current and a burner. An electric component (pref a light-emitting diode) is placed in the field of observation of the person using the burner, the component emitting light in the presence of either the idling voltage or the welding voltage, i.e. when the electric power supply is switched on. Arrangement enables a worker to see if the power supply is switched off.
Patent DE-2607085-A1 (DE)
Title: Vehicle mounted refuse container collecting attachment - has pivoting arms braced against ground engaging struts by hydraulic cylinder
Inventor: NAAB JAKOB
IPC: B65F3/04
Filed: 1976-02-21
Abstract: The equipment for emptying refuse containers includes a pivoting arm which holds the container and is pivoted about a horizontal axis by tipping equipment. The pivoting arm, during its upwards movement, lifts the container and tips it to discharge its contents. During its downards movement the arm positions the container on the ground. The pivoting arm has a support equipment resting on the ground for carrying the load lifted by the pivoting arm. The support equipment consists of a support arm (6) pivoting about an axis mounted parallel with the pivoting axis of the pivoting arm (1), and rests with its free end of the ground. Between the support arm (2) and the pivot arm (2) is located tipping equipment which pivots the support arm and the pivot arm relatively.
Patent DE-2609132-A1 (DE)
Title: Indoor wall tiles fixture system - uses carrier panel plugged into perforated mesh drilled into wall or laths
Inventor: MEILENBROK KARL-HEINZ
IPC: E04F13/08
Filed: 1976-03-05
Abstract: The fixture system for wall tiles, in living-rooms, kitchens, bathrooms or elsewhere uses low-cost materials and does not need skilled labour. A previously perforated and stiffened carrier holed mesh (4) of plastics, is applied to the roughly rendered internal wall or lathe work by drilling. Carrier buttons, in the form of clamping lugs (2) are used for inlaying or pressing the wall-tile support panel (1) into this mesh. The support panel may be fitted with guideway borders (3). The holes (7) in the perforated mesh can lie inside and outside the stiffener units (5). A clamped covering batten may be used to terminate the tiling at the top end.
Patent DE-2619048-A1 (DE)
Title: Radial piston hydraulic motor - has pistons driven from housing cam track via rollers spherically enclosed by slide members in rotor
Inventor: SCHNEIDER JOHANN ING GRAD
IPC: F04B1/04
Filed: 1976-04-30
Abstract: The hydraulic motor has a rotor (10) with radial pistons (15) operated via rollers (14) engaging an internal cam track (16) inside the housing (11). The rollers (14) are spherically enclosed in the region of their point of cam contact (Ft) by slide members (14a) contained in individual bores (12) in the rotor. The length of each member (14a) in its direction of movement (Pf) in relation to its equatorial plane may be at least such that its free dia. is smaller than the dia. of the roller (14). The roller may be split lengthwise in its direction of movement or may be composed of segments. Its contact surface with the element may be in a material having a lower coefficient of friction than steel. It may consist of a plastic moulding.