baber/WOPTO huggingface dataset:
Patent DE-2459252-A1 (DE)
Title: Gear selector seal for tipping cab on lorry - covers rectangular cross section hole and has rectangular spring to give maximum sealing pressure
Inventor: MERKLE JOSEF
IPC: B62D33/073
Filed: 1974-12-14
Abstract: The floor of the tipping cab (4) is fitted with a rectangular hole (3) bordered by a lip (6) diverging under the floor. The gear selector (1) lever is surrounded by a rubber gasket, with a rectangular profile to fit into the hole when the cab is lowered. The gasket is pressed against the lip of the hole by a special spring (5) made from flat strip steel and wound in a rectangular profile to fit the gasket. The larger, flat sides of the steel strip are arranged parallel to the longer side of the hole for maximum flexibility laterally and maximum support vertically. The seal ensures that no dirt and water enter the cab when the vehicle is used on the roughest surface.
Patent DE-2513659-A1 (DE)
Title: Adjustable flow control valve for hydraulic systems - has rotating chamber with variable groove forming continuously adjustable control
Inventor: HOFFMANN HELMUTH
IPC: G01F1/42
Filed: 1975-03-27
Abstract: The adjustable flow control valve comprises a connector block (1) with a central bore (8) having a coupling (9) for connection to the hydraulic line. The inner end of the bore opens into a second bore at right-angles (19). Held against the central bore inner end, under the action of a coil spring, is a hollow chamber (15) set in a tube (12) rotated by a control knob (14). A channel of varying width and profile cut into the rotating chamber outer face, forms with the flat face of the main bore an adjustable aperture which can completely shut off the flow between the two bores or allow a range of settings up to the fully-open position. An adjustable bypass orifice (21) provides range control.
Patent DE-2514583-A1 (DE)
Title: Case for screening instruments against magnetic stray fields - is made by insertion into each other of hollow rectangular metal units to form multilayer surround
Inventor: FASKO PETER DIPL ING
IPC: H05K9/00
Filed: 1975-04-03
Abstract: The rectangular units may be open topped boxes which nest inside each other with their axes at 90 deg. Altogether four hollow units are provided; the innermost unit is made of copper, and the other, outer units of a high permeability soft magnetic alloy, consisting of 76% nickel, 17% iron, 5% copper, 2% chromium and at most 0.1% of carbon; the axis of the copper unit is parallel to the axis of highest magnetic sensitivity of a component mounted in the screening case; axes of the remaining units are in turns parallel to the three spatial axes of a rectangular coordinate system.
Patent DE-2518916-A1 (DE)
Title: Transistor stage for supplying low-ohmic load resistance - using two transistors operating in A and B modes respectively
Inventor: SCHNEIDER RUDOLF DIPL ING
IPC: H03F3/18
Filed: 1975-04-11
Abstract: The transistor stage is used with a carrier frequency amplifier connected simultaneously to several group filters, and provides a low-ohmic load resistance with high cubic noise suppression. The stage comprises two transistors (T1, T2) of opposite type, one operating in A mode and the other in B mode. The emitters of the two transistors (T1, T2) are connected via a common resistor (R1) to one pole of the supply voltage, the output A.C. voltage being measured across this resistor (R1). The emitters of the two transistors (T1, T2) are connected to the common resistor (R1) via respective emitter resistances (R2, R3), of low ohmic value in comparison with the load resistance (RL).
Patent DE-2523544-A1 (DE)
Title: Strip wound field coils for electrical machine - treated with flexible resins to give insulation and mechanical stability
Inventor: IMAI TAKESHI
IPC: H01F41/12
Filed: 1975-05-27
Abstract: The process is particularly suitable for the manufacture of coils for small machines requiring a low number of turns, for example, starter motors. The coil is wound using insulated wire (2), typically of rectangular section, and an interleave, for example paper, is placed between turns. The completed coil is held with tie bands (5) and covered with a layer of flexible synthetic resin (6) which serves to bond the turns together. The coild is then formed to the required shape to fit into the stator before being treated with a final layer of flexible synthetic resin (7). The resin applications are typically by dipping for the first, and fusion of powder on a heated coil for the second.
Patent DE-2525452-A1 (DE)
Title: Wall plug cement fastener - has collar closing outer end of hole in wall and inner tube for cement injection
Inventor: FISCHER ARTUR
IPC: F16B13/00
Filed: 1975-06-07
Abstract: The wall plug comprises a tubular body (1) insertable into a relatively larger hole in the wall and having a lateral hole through which cement injected into the outer end of the plug can enter the space between the plug and the wall of the hole and so secure the plug in position. Before injection of the cement the outer end portion of the hole is closed by a collar (6) seated on the outer end portion of the plug, to prevent cement flowing from the hole during the injection process. The collar has a lip (6a) to improve sealing against the wall of the hole.
Patent DE-2527303-A1 (DE)
Title: Monitor for detecting brush wear in machines - has warning switch operated by pressure arm when wear becomes unacceptable
Inventor: TARDEL KURT DR ING
IPC: H01R39/58
Filed: 1975-06-19
Abstract: The monitor for detecting brush wear in machines, can be used with all types of brushes and is not affected by potential differences between brushes unlike sensor-wire types of monitor. A microswitch mounted on the brush holder and insulated from it, is operated by a pressure arm when any given brush has been worn down by an unacceptable amount. The pressure arm has an adjustable finger to operate the microswitch. The microswitch system may be replaced by a reed-relay with its operating magnet attached to the pressure arm. Inductive or optical devices may also be used.
Patent DE-2533670-A1 (DE)
Title: Cold extrusion of gears - using a mandrel and sleeve assembly for part extrusion and accurate sizing
Inventor: SAMANTA SHYAM K
IPC: B21C23/10
Filed: 1975-07-28
Abstract: Gears are extruded by inserting a hollow blank into a die having internal teeth and applying an axial extruding force via a mandrel and sleeve assembly to partially extrude the blank. The assembly is then retracted and a second blank is placed adjacent the first blank and the assembly advanced to finally extrude the first mentioned blank. The process can be used for forming helical gears and pinions used in gear transmissions in automotive vehicle drive lines. The process eliminates multiple machining steps of conventional methods and replaces them with a single extrusion operation. The inner core of the blank is supported by the mandrel which also provides accurate inside diameter calibration.
Patent DE-2535409-A1 (DE)
Title: Digital limit monitoring device - ascertains max. rate of change of frequency or period of analog signals
Inventor: SCHROEDER GERT DIPL ING
IPC: G01R23/15
Filed: 1975-08-08
Abstract: The monitor comprises a reversible counter set at the beginning of a measurement period consisting of two time intervals to an initial value corresponding to a max. rate of change. A first counting signal is applied to it. A switch reverses the counting direction at the end of the first time interval. An evaluation device delivers an error signal when the counter reaches zero during the second time interval when monitoring a rising frequency or period of the monitored signal, or conversely does not reach the zero when monitoring falling frequency or period of the signal (fx). When monitoring frequency rate of change, both time intervals are equal.
Patent DE-2544522-A1 (DE)
Title: Machine production method for skeins - has drive rotated winding thorns fitted with thread holding device
Inventor: WILLENBROCK HANS DIPL ING
IPC: B65H54/66
Filed: 1975-10-04
Abstract: The method is for machine production of skeins where a thread shaped material is wound on to winding thorns fitted with a drive to rotate them. The beginning of the thread is kept outside the winding area during the winding operation, using a thread holding device (3) fitted to the axis of the winding thorn (4). The thread holding device consists of a pick-up plate (3) having recesses (3a) into which the thread (1) can be guided with the use of a thread retaining element (6). After the skein has been completed the beginning of the thread hangs out of the skein's interior.
Patent DE-2545109-A1 (DE)
Title: Determn. of enzymes which deactivate bleomycin - by measuring DNA-polymerase inhibition in presence and absence of test sample
Inventor: MUELLER WERNER
IPC: C12Q1/48
Filed: 1975-10-08
Abstract: Determination of the bleomycin-deactivating enzyme activity of biological liquids comprises first measuring the degree of DNA-polymerase inhibition caused by a given quantity of bleomycin (I) under controlled conditions then comparing this with the corresp. inhibition in the presence of test liq. A reagent for carrying out the test is an aq. soln. of 0.01-1mm each of deoxy-ATP, deoxy-CTP and deoxy-GTP; 120um tritium-labelled deoxythymidine triphosphate; 0.01-1 mg/ml DNA; 0.01-0.2m buffer of pH 7-7.6; 5-100 mm MgCl2; 5-100mm dithiothreitol; 5-50 ug/ml serum albumin; 5-20 U/ml DNA polymerase and opt. 0.1-2 mm mercaptoethanol. (I) is a cytostatic agent for treating laminar epithelial carcinoma, but is deactivated by enzymes present in many tissues. For correct choice of doage this inhibition needs to be known. The present method is rapid, sensitive and suitable for routine use.
Patent DE-2546024-A1 (DE)
Title: Wedge sluice valve with handwheel - has lifting rod attached to hub connecting discs sealing flow pipes
Inventor: KLAUS FRANZ
IPC: F16K39/04
Filed: 1975-10-14
Abstract: The wedge sluice valve is for high-pressure, large bore pipes, and has a pair of shutoff plates with sealing surfaces facing in opposite directions. A side chamber is built on to the pipe junction. The two flow pipes are shut off by inclined discs (5) which behave as a wedge thrust down into the junction. The discs are connected by a central hub (17) which sandwiches an auxiliary chamber (19) in the middle, blocked off by a pair of dished plates (20, 21). An operating rod (30) connects this central hub (17) to a hand wheel at the top of the side chamber. Rotation of the hand wheel lifts the discs (5) upwards, opening the sluice valve and providing a bypass path.
Patent DE-2546374-A1 (DE)
Title: Concrete cutout demountable reusable shuttering corner connector - with enlarged threaded bolt head fitting groove in outside angle piece
Inventor: DEXLER HEINZ
IPC: E04G17/00
Filed: 1975-10-16
Abstract: The corner connecting element is used with demountable and re-usable shuttering for producing cutouts eg for window or door openings. Outer and inner angle pieces have board attachment surfaces clamped together with a threaded bolt and nut. The bolt has an enlarged head accommodated in a correspondingly shaped lengthways groove at the centre of the inside of the outer angle piece. The inner angle piece may incorporate a row of holes for bolts, close together.
Patent DE-2550141-A1 (DE)
Title: Container closure application machine with closure supports - has downward inclined groove on each support with sides for carrying closure
Inventor: HOJAK RICHARD
IPC: B65B7/28
Filed: 1975-11-07
Abstract: Closure application machine for containers such as food cans has at least two movable closure supports positioned at the lower end of the magazine housing the stacked closures. Each support has a groove running in an inclined path from the upper edge of the support. One side to the groove supports the lowest closure while the top side to the groove is used to force the closure onto the container. A chain wheel is fixed to each support whereby both wheels and a motor-driven drive pinion are encircled by a common drive chain. The distance of the supports from the axis of the magazine is adjustable.
Patent DE-2550362-A1 (DE)
Title: Deformable support grid for mining - comprises crossbars and longitudinal bars with ends formed into eyelets with hole for mat linking bar
Inventor: DRAGON AUGUST
IPC: E21D11/15
Filed: 1975-11-10
Abstract: The lagging mat for mines comprises rigidly joined intersecting long and cross bars with certain of the long bars designed for mat linking at the ends. Both ends of these long bars (10) are formed into eyelets (12, 13) so that two adjoining mats can be connected by means of a bar (15) passed through the respective eyelets. Each long bar is preferably formed into an eyelet (17, 18) which is turn produces an enclosed hole (12, 13), preferably circular to take the circular linking bar (15). It is also possible to use an oval slot (18) to take a suitably rectangular linking bar (16). If an oval slot is used, the large axis should be in the longitudinal sense of the long bar concerned.
Patent DE-2555906-A1 (DE)
Title: Dwell time measurement unit - determines length of time needed by rubber insulated cable in vulcanisation unit using test sample
Inventor: VOIGT HERMANN UWE DR RER NAT
IPC: H01B13/14
Filed: 1975-12-12
Abstract: The cable is a multilayer cable. The layer of insulation are made of cross-linkable materials based on elastomers or thermoplastic rubber. A cable section of the same construction but of short length is used for measurement of heat penetration in radial direction. Temperature change in the cable is measured as a function of time. The degree of crosslinking in materials used for individual layers is determined from these temperatures.
Patent DE-2556482-A1 (DE)
Title: Phosphorus-contg. polyaddition prods. for fireproofing textiles - prepd. from polyols or polyamines, phospholans and epoxides
Inventor: DUERSCH WALTER DR
IPC: C08G79/04
Filed: 1975-12-16
Abstract: New polyaddition prods. are of formula (I): (X is O, S or NR1; R1 is H or 1-4C alkyl; R3 is 1-4C (halo) alkyl, is not >8C cycloalkyl, is not >4C alkenyl, or phenyl or benzyl opt. substd. by 1 halo; r4 is H or 1-4C alkyl; R5 is H or 1-2C alkyl; R6 is H or (chloro)methyl; R7 is H, CH3 or C2H5; m = 1-20; n = 1-6; r = 0-1; Z is a radical or valency which may be (i) opt. branched 1-18C hydrocarbyl radical, opt. interrupted by 1-8 O atom, 1-3S and/or NR2 (R2 = 1-4C (halo)alkyl); (ii) cyclohexyl opt. with 1-3 1-4C alkyl(opt. unsatd.) alkyl substits. opt. themselves with F, Cl or Br substits.; (iii) aromatic or araliphatic gps. derived from is not >18C (alkyl)benzenes, naphthalene, diphenyl (m)(ethane) or diphenyl-2,2-propane, opt. ring-substd. by 1 or 2 (m)ethoxy and on the ring or side chains by F, Cl or Br; and (iv) gps. of formulae (II)-(IV); n1 and n2 = 0 or 1; R9 is 1-3C alkyl opt. substd. by OH, mono- or di-alkylamino, or halo; 2-3C alkenyl or phenyl opt. substd. by 1 or 2 halo; when n1 or n2 = O, then R10 and R11 are as R9; but when both are O, >=1 of R10 and R11 is 1-3C alkylene and, when n0 or n1 = 1, a 2-5C opt. branched alkylene or -CH(CH2Cl)CH2-; R12 is 1-6C alkylene, phenylene, xylylene or -C(Y)R13-; Y is OH or NH2; R13 is 1-3C alkyl; R14 is as R3 or OCHR6.CHR7). Used for fireproofing textiles when applied together with crosslinking agents. The resulting finishes have excellent fastness to washing. Materials which can be treated include natural or regenerated cellulose, polyesters, polyamides and polypropylene. (I) are stable for a long time as aq. concentrates.
Patent DE-2604626-A1 (DE)
Title: Rear ventilated curtain hung rendered external wall cladding - has lattice structure curtain unit and fibre reinforced rendering material
Inventor: HOELLFRITSCH ERICH
IPC: E04F13/02
Filed: 1976-02-06
Abstract: External wall cladding has an outside rendering, without need for panel-shaped rendering supports. A curtain is first fixed in place at an interval from the building wall, and a layering is subsequently applied to this. A rendering substance containing a fibre reinforcement is applied, in a normal way, to a curtain unit which incorporates a lattice structure. Glass fibres may be used as reinforcing material, or plastic fibres. A rendering material may be used on a base of glass-fibre concrete. A curtain unit of glass fibre compound, esp. glass fibre weave, may be used; or it may be made of a metal fibre compound, or of wire. It may have protrusions on the side facing the rendering layer, in the form of nodules or hooks. A heat-insulating layer may be applied to the building wall, at an interval from the curtain unit.
Patent DE-2604633-A1 (DE)
Title: Tyre with retractable snow grips - has eccentric cams operated by cable pull with servo motor
Inventor: DIETERMANN ERHARD ING GRAD
IPC: B60C27/04
Filed: 1976-02-06
Abstract: The tyres have transverse ducts (24) running just under the tread in which are mounted bars (25) on which eccentric cams (2) are secured. the bars extend beyond the edge of the tyres on one side, with angled ends (3). Rotating the bars, by chain drives linking the bar anguled ends causes the cams to rotate and the ice grip edges to extend out the tread profile. The system enables the driver to activate the ice grips by remote control, using a servo drive to the chain. It allows the vehicle to be driven along roads which are only frozen in stretches, without having to leave the vehicle to manhandle snow chains etc.
Patent DE-2605483-A1 (DE)
Title: Photoconductor having radially decreasing refractive index - formed on heated rotating glass rod using heat decomposing gases
Inventor: EICKHOFF WOLFGANG DIPL PHYS
IPC: C03B37/014
Filed: 1976-02-12
Abstract: At least 2 co-axial gas-streams of gaseous cpds. having different compsn. are directed onto front surface of a glass-rod, heated to a high temp. by at least one heat-source. The glass rod is moved along its longitudinal axis in accordance with growth rate of a layer of photoconductor material forming through decompsn. of gaseous cpds. Glass-rod movement is such that the distance between the front surface and the gas supply pipe outlet orifices remains constant. Used as transmitting media in wide-band optical signalling. Refractive index profile is formed in one step.
Patent DE-2610932-A1 (DE)
Title: Motor vehicle headlamp with ventilation channel - includes inner chamber permanently connected to outer atmosphere by channel formed by groove in cover
Inventor: KOPLIN KARL HEINZ
IPC: F21V31/03
Filed: 1976-03-16
Abstract: Headlamp for motor vehicles has an inner chamber permanently connected through a channel with the outer atmosphere. The top opening of the channel leads into the inner chamber and its lower opening into the atmosphere. The channel is formed by a cover and a groove. The latter is located inside a housing with the groove low-lying opening projecting from the housing and the cover detachable towards the inner chamber incorporating the top opening. The housing has a regression pointing towards the inner chamber with a flute in which the groove is positioned.
Patent DE-2612931-A1 (DE)
Title: Light spoked wheel for toys - has crimp fitting spokes and plastic insert hubs for adhesively laminated rim
IPC: B60B1/00
Filed: 1976-03-26
Abstract: The lightweight spoked wheel for toys and light vehicles has a two layer wheel rim (5, 6) for lightness of construction and strength. The layers are glued together with the holes for the spokes preformed and aligned. The spokes have head ends (8) to secure in the holes while the other ends are bent over (7) to clamp in the hub (2). The hub is thus centralised by the bent over spoke ends and a plastic insert sleeve forced into the hub retains the spokes. The wheel is made without any welding or brazing joints and can thus be made from corrosion proofed material without any danger of the corrosion protection being damaged.
Patent DE-2616168-A1 (DE)
Title: Enamelled cooking pan highly resistant to corrosion - has extra outer covering of enamel containing different substances from inner layer
Inventor: THEISEN GUENTER
IPC: A47J36/02
Filed: 1976-04-13
Abstract: The enamelled cooking pan comprises a metal pan of iron or aluminium lined with an enamel covering which consists of two layers. The first layer contains the usual constituent whilst the second covering layer contains some additions to these constituent parts. The additions are pref. 5 to 15% by weight of boron nitride and if required 5-10% by weight graphite but the coating does not contain any significant amounts of titanium dioxide. This enamel coating is much more resistant to mechanical and chemical agents than known enamel pans. The addition of graphite to the covering glaze helps to increase the non-stick properties of the enamel coating. After preparing and enamelling the pan in known way the second cover layer is produced by applying a paste containing the additional substances.
Patent DE-2616862-A1 (DE)
Title: Indoor or outdoor sports mat with pattern of web sections - with non-compressible bottom layer fixed with needle strips
IPC: E01C13/04
Filed: 1976-04-15
Abstract: Each web consist of a non-compressible bottom layer which can be fixed with needle strips and an upper layer. The bottom is at least equal to the height of the needles. Pref. the web sections consist of a tuffed fabric of polypropylene or other water-repellent synthetic fibres. Beneath the mat may be a resilient water-permeable base with rectilinear water drainage channels or with parallel ribs held together by threads, both the ribs and the threads being coated with fine-pore plastic foam. The mat can be laid in short sections and fixed to the ground.
Patent DE-2620638-A1 (DE)
Title: Continuous microwave heater for strip materials - has subsidiary hollow conductors to reduce radiation losses from end orifices
Inventor: STENZEL OTTO WALTER DIPL ING
IPC: H05B6/78
Filed: 1976-05-10
Abstract: At least one subsidiary hollow conductor section (I) is attached to one or both ends of a microwave hollow conductor channel for continuous dielectric heating of strip materials. (I) are attached perpendicularly to the axis of the main channel. The end of each (I) remote from the main channel is conductively closed by a metallic wall. Each (I) has a depth of one quarter of the wave generated in (I). Used e.g for heating of extruded rubber material. Energy losses from the entry and exit openings of the main channel are eliminated.
Patent DE-2621614-A1 (DE)
Title: Winder control for still camera - has sprocket hole sensor dropping into film after single frame wind-on to block further action of cogs
Inventor: FAUTH GUENTER ING GRAD
IPC: G03B17/42
Filed: 1976-05-14
Abstract: The cassette camera is operated by a swivel winder which moves a ratchet rack against spring pressure, via a gear train. When the rack has been moved sufficiently the last cog wheel is moved out of engagement using a pin and slot axle while the shutter setting sequence is completed. On releasing the winding lever the cogs re-engage and drive the film transport spool. When a frame has been transported a sprocket hole sensor drops into the film and blocks further action of the cogs, while the winder lever is free to return to its parking setting. The winder mechanism is simple and does not have to be precise for the film transport. The sprung cogs can safely by stopped in any setting without jamming the mechanism.
Patent DE-2622572-A1 (DE)
Title: Explosive charge test holes for coal mining - can be parallel or radiate from central point and washed with high press. water
Inventor: AMBROCK HANS-DIETER ING GRAD
IPC: E21F11/00
Filed: 1976-05-20
Abstract: The drilling of a set of test holes in a coal scan, ready for insertion of an explosive charge, as in 2558382, includes drilling a series of parallel holes (2) the same distance apart into the centre of the coal seam (14) from a gallery (1). The seam can be 2.5 m thick. The test holes alternate with the holes for the loosening charges. Before the charges are inserted, the holes are injected with water under high pressures, with or without addition of calcium chloride. Holes can be bored into both sides of the gallery. In one variation, the holes can radiate from the end of a shaft drilled in the seam.