baber/WOPTO huggingface dataset:
Patent DE-2610847-A1 (DE)
Title: Rotary engine with single axis piston - has abutments supported for oscillation by lobes of piston or housing
Inventor: WOLFF DIETER-REINHARD
IPC: F01C1/46
Filed: 1976-03-15
Abstract: Rotary engine has a piston rotor supported for rotation about a single axis (16) and an abutment supported for oscillation in' position between the rotor and a surrounding housing. The abutment may be of crescent form, the convex side (21) of that form being supported in a recess (33) of the housing. The tips (24) of the crescent slidably engage the piston which is lobe-shaped to rock the abutment so the latter is passed by the lobes. There must be at least one abutment and a piston having two lobes. Alternatively the abutments may rock on the piston and cooperate with a lobed housing.
Patent DE-2611381-A1 (DE)
Title: Lottery ticket holder for constant permutation - has windows punched out to display selected squares and uses template
Inventor: KWASNY WULF
IPC: A63F3/06
Filed: 1976-03-18
Abstract: The template is for a standard permutation for lottery entries printed with all the ticket numbers which can be punched out individually to allow a constant permutation to be shown of the ticket numbers vvisible through the punched out windows. The template also serves as a holder to protect the tickets. The system is intended for a lottery in which the purchaser selects 6 numbers from a ticket preprinted with 45 or 49 numbers. The system is designed to prevent excess prodn. of tickets and the possibility of obtaining incorrect numbers.
Patent DE-2611850-A1 (DE)
Title: Coffee maker water heating assembly - has oval section water tube and liquid seal housed in vessel base
Inventor: HUEBNER HEINZ-RICHARD
IPC: A47J31/54
Filed: 1976-03-20
Abstract: The water heating assembly for a coffee making machine has a cast base (1) in which is embedded a ring shaped heating element (11) in close contact with a similarly ring shaped metallic water tube (14). This tube is oval shaped or flattened in cross section, and retained by a cover (21). This tube has a high coefficient of thermal expansion and is cropped inside a channel (13) in the cast base (1). Both the base and the cover incorporate ribs (19) suitably curved to locate and retain the water tube. The space (23) inside the channel is filled with a flowing or pasty medium having a high heat transformation point and heat resistance, such as oil a trifluorchlorethylene based substance.
Patent DE-2617467-A1 (DE)
Title: Ultrasonic alarm trans receiver system - detects doppler frequency shift of echo which is integrated over settable time and applied to threshold switch
Inventor: MERZ GEORG
IPC: G01S15/52
Filed: 1976-04-20
Abstract: The system has a sender which irradiates the supervised space, and a receiver which receives signals reflected from the radiated field, blanks the sender and prepares the echo signal. The Doppler frequency shift produced by a moving object is detected and used as a criterion for tripping the alarm. The echo signal is split in two components whose phases are shifted w.r.t. each other. One component is differentiated in a differentiating circuit (120) and applied to the control input (125) of a sample and hold unit (140). The other component is applied to signal input (135) of the unit (140) whose output (145) is applied to an integrator (150) which integrates the signal over a presettable integration time. It is then applied to a threshold switch (135) which trips the alarm if the presettable threshold is exceeded.
Patent DE-2624085-A1 (DE)
Title: Accelerating diffusion processes - by subjecting to ultrasound treatment, useful e.g. in immunodiffusion plates
IPC: B23K20/10
Filed: 1976-05-28
Abstract: To accelerate diffusion processes in a diffusion layer which is self-supporting or is disposed on a carrier, the diffusion layer is subjected to treatment with ultrasound during the diffusion process. Diffusion processes which can be accelerated by the new new procedure include those occuring during the detection and analysis of substances in biological materials such as urine, blood, secretions, tissue fluids etc., the diffusion layer in such cases being a layer contg. a reagent and/or indicator for the substance under analysis.
Patent DE-2627751-A1 (DE)
Title: Toothed wheel meshing fault detection device - has two carriages mounted on base plate for detection of relative motion
Inventor: PRIPLATA HEINZ DIPL ING
IPC: G01B5/20
Filed: 1976-06-21
Abstract: A device for determine of meshing defects on toothed wheels using the two-sided meshing test method is designed for relatively economical error detection on gauge gears and other toothed wheels without necessitating use of gauge gears as test instruments. Two carriages mounted on a base plate have axles for firmly meshed gears and can move w.r.t. each other in the horizontal plane. One gear is driven, and any relative motion of the carriages is detected to indicate meshing faults between the gears. The specimen wheel is mounted on a third carriage, firmly meshed with the second gear. Relative motion of the second and third carriages is converted into electrical signals by transducers and evaluated in a circuit contg amplifiers and a difference circuit.
Patent DE-2639039-A1 (DE)
Title: Integrated MOS module - produced by double silicon gate technique at higher density per chip
Inventor: BASSE PAUL-WERNER V DIPL ING
IPC: H01L21/28
Filed: 1976-08-30
Abstract: Integrated MOS modules such as storage cells are produced by the double silicon gate technique. After the first gate has been produced, a slot is etched in an insulating layer down to a diffused electrode in the substrate. The second polysilicon layer is applied, even over this electrode area; it is etched to produce contact spots. The bit line is finally contacted with the polysilicon contact spots. If this technique is applied, the density of the modules, i.e. the density of the storage cells on one chip can be increased.
Patent DE-2640467-A1 (DE)
Title: Rolling combed fibres into sliver - after laterally displacing and overlapping portions of circularly combed fibres
Inventor: SLYWAKOW WLADIMIR JEGOROWITSCH
IPC: D01G19/00
Filed: 1976-09-08
Abstract: A combed sliver is formed by successively combing leading and trailing ends of fibre lap portions using a circular comb, placing the combed portions (B) onto each other whilst laterally displacing the portions parallel to the comb axis, and rolling up the combed web about an axis at an angle to the direction of displacement of the combed portions so as to form a sliver. The structural non-uniformity in the combed web due to the overlapping of the separately combed portions is eliminated by rolling the overlapped portions into a sliver. The fibres can be continuously fed to and withdrawn from the comber. The number of subsequent drawing stages is reduced.
Patent DE-2642601-A1 (DE)
Title: Camera shutter mechanism with electromagnetic drive - has solenoid coil attracting or repelling permanent magnet rigidly connected to shutter element
Inventor: FUJITA SUSUMU
IPC: G03B9/40
Filed: 1976-09-22
Abstract: Electromagnetically actuated shutter mechanism comprises a shutter element (X, Y) which moves between neutral and operative positions in which the aperture is closed and open respectively, and an electromagnetic drive unit for the shutter element. The drive unit consists of a solenoid coil (C1C2) surrounding permanent magnet (36, 37) which is rigidly connected to the shutter element. Alternatively the drive unit may consist of a reversible motor with a drive shaft which is coupled to the shutter element by a transmission converting rotational movement of the drive shaft to linear movement of the shutter element. The motor may be a coreless DC motor with two armature coils which are wound in opposite directions around an armature of the motor and one of which has a higher torque at the beginning of rotation of the drive shaft than the other.
Patent DE-2646608-A1 (DE)
Title: Heater for components of multicomponent liquid plastics - for simultaneous heating in original bond and in throughflow
Inventor: BEIL HANS WERNER
IPC: B29B13/02
Filed: 1976-10-15
Abstract: Heater for heating the components during mechanical processing of multi-component liquid plastics simultaneously preheats the original material bond and heats up the components. It pref. also acts an an energy source for auxiliary pipe heating. The thermo-oil heater has recesses for holding the material structures, so that preheating and liquefaction of the material take place. In the oil bath are material pipes through which the individual components are pumped for heating. When used as an energy source for auxiliary pipe heating, the thermo-oil is conducted in a circuit through a pipe assembly.
Patent DE-2649014-A1 (DE)
Title: Liq. mixing appts. for preparing analysis samples - dilutes predetermined volumes of sample with reactant using piston and cylinder
Inventor: MARTERER KARL
IPC: B01L3/02
Filed: 1976-10-28
Abstract: An apparatus is used for diluting or mixing a predetermined volume of a sample with a predetermined volume of reactant. It is particularly useful in analyses. It comprises a reactant metering device fitted with a mobile piston which moves with respect to a cylinder, thus drawing up a controllable quantity of liquid, and valves are provided at both inlet and outlet sides of the device. A sample metering device is connected to the outlet valve of the reactant metering device. A drive system (3) controls both metering units (1, 2) independently. Selected volumes of both sample and reactant are drawn or sucked up and finally sent out through the outlet valve.
Patent DE-2652101-A1 (DE)
Title: Ultrasonic transmission system for stereo headphones - has sound source replaced by transducers and receivers mounted on headset
Inventor: NEUMANN SIEGFRIED
IPC: H04R5/033
Filed: 1976-11-16
Abstract: The ultrasonic, cable-less transmission system for monaural and stereophonic headphones comprises a single- or twin-channel modulator fed from the audio programme source and driven from an ultrasonic carrier signal generator. The modulated output signal drives one or two transducers representing the position (s) of one or two loudspeaker(s). The headset contains a receiving system comprising microphones having directional characteristics matched to those of the human auditory system, amplifier and demodulators, low-frequency mixer/compensation unit, output amplifiers with individual balanced controls and left and right ear-pieces. For stereo transmission, the transmitter uses two frequencies sufficiently separated to avoid cross-modulation. An infra-red system may be used in place of the ultrasonic one.
Patent DE-2654671-A1 (DE)
Title: Sandwich foil for fluid, e.g.milk, packaging - with plane foil bonded to recessed foil closed by third plane foil
Inventor: MOSSE RICHARD WOLFGANG EMIL
IPC: B65D65/40
Filed: 1976-12-02
Abstract: Material consists of a first plastic (polyethylene) foil to which a second plastics (polypropylene)layer is applied between rolls from a slotted extrusion nozzle. One of the rolls has slight projections so that the second foil solidifies with a patter of recesses on its surface. A third foil is applied between another pair of rolls, this foil is made of the same material as the first and closes the recesses on the surface of the second foil. The second foil can be softened by heating to make it suitable for hot sealing, without affecting the strength of the first foil. The recesses save material but they do not turn the foil into an absorbent like paper or cardboard.
Patent DE-2656035-A1 (DE)
Title: Double glazing using existing glazing - forming hollow space sealing using spacer batten, with lugs forming chambers
IPC: E06B3/54
Filed: 1976-12-10
Abstract: Use is made of a spacer and retainer batten in the form of a hollow chamber, with spacer lugs to form compartments for sealing masses, sealing the enclosed space against the frame, and able to serve for glazing batten retention. The system is also suitable for incorporation of a number of panes in an insulation glazing unit, and enables windows fitted with insulating glass to be provided with an additional hollow chamber. Glass panes can be sited inside or outside.
Patent DE-2659833-A1 (DE)
Title: Dental prosthesis fitting measuring device - has adjustable chin and ear contacting arms and adjustable mouth measuring arm
Inventor: HEYDENREICH GEB SCHUH FRIEDERI
IPC: A61C13/00
Filed: 1976-10-07
Abstract: The frame is for fitting into the mouth of a patient so that measurements can be made for fitting a dental prosthesis. A framework is made up of adjustable members that it can be fitted to the patients head. The frame includes two horizontal curved arms (12) with hinges for adjustment to the shape of the face, and plugs (14) at the tips, to fit into the ears. A horizontal arm (16) fits under the chin. All these arms can be raised and lowered on L-shaped brackets (4, 5) fitted with locking screws. Between them slides a horizontal arm (18) passing through a sleeve (1) with a locking screw. This arm carries fittings for mea suring the mouth and a member for contact with the tongue can be included, also a device (29) locating against the lower teeth or jaw.
Patent DE-2659902-A1 (DE)
Title: Television frame-scan circuit - uses modulated line-scan pulses which generate frame sawtooth and reduce losses due to inefficiency
Inventor: HAFERL PETER EDUARD
IPC: H03K4/83
Filed: 1976-01-28
Abstract: This television frame-scan circuit modulates (23) linescan pulses derived from a transformer (8). This has balanced output windings with output switching by thyristors (13, 17) which are gated by the modulator. The common points of these windings are connected to the frame coils (18) via low-frequency resonant coils and a capacitor (15) which is connected across the frame coils. This circuit provides a decreasing amplitude of line-scan pulse energy for half the frame-scan and inverted polarity and increasing amplitude for the second half. It is concerned with the power loss in frame output stages and associated filter circuits.
Patent DE-2700333-A1 (DE)
Title: Rare earth doped cordierite glass ceramic - for use as substrates for thin film circuits
Inventor: LITVINOV PAVEL IVANOVITSCH
IPC: H01B3/08
Filed: 1977-01-05
Abstract: Glass ceramic material with dielectric properties similar to those of alumina consists of SiO2(31-45 wt.%), Al2O3 (20-30 wt.%), MgO (5-15 wt.%), TiO2 (15-25 wt.%) and also rare earth oxides selected from the group CeO2, La2O Pr2O3, Nd2O3 (14-17 wt.%). Preferably CeO2 is present in the range 7.0-8.5 wt. %, La2O3 3.0-3.9 wt. % and the other oxides 3.0-4.6 wt. % in combination. The ceramic is made by heating the initial glass to the temp. of max. rate of devitrification (1200 degrees C) and soaking for 3 - 6hrs. Dielectric properties are better than similar materials without rare earths. Can be shaped by rolling etc. like glass. Much cheaper than similar glass-ceramic materials.
Patent DE-2707352-A1 (DE)
Title: Antifriction bearing with overload protection - has races radially extended to form gap smaller than admissible incidental deformation
Inventor: LOROESCH HANS-KARL DIPL ING
IPC: F16C39/02
Filed: 1977-02-19
Abstract: The bearing prevents deformation of the balls or roller due to incidental overload. The inner race (1) and outer race (3) with balls or rollers between is arranged so that while on one side the usual gap is maintained between the races on the other side both races are radially extended towards each other to form a gap (S). In case of a sudden overload of the bearing, the races deform, while the gap disappears and the two race rims touch to form an abutment and prevent further deformation of the races which could otherwise become permanent.
Patent DE-2710278-A1 (DE)
Title: Transparent, high impact polystyrene mfr. from styrene, MMA and rubber - by prepolymerisation and copolymerisation in aq. suspension with mixt. of di:acyl peroxide(s) of aliphatic acids
Inventor: KUDRJAVCEVA GEB NIKITINA TAISI
IPC: C08F279/06
Filed: 1977-03-09
Abstract: Method comprises prepolymerising a mixt. of styrene, methyl methacrylate (MMA) and synthetic rubber. The prepolymer is then copolymerised in aq. suspension in the presence of an initiator and a stabiliser. The prepolymerisation and suspension copolymerisation are carried out using a mixt. of diacyl peroxides of 3-12C aliphatic acids as initiator. The peroxide mixt. contains 2-8 pts. diacyl peroxides of 3-5C aliphatic acids (I), 80-89 pts. wt. diacyl peroxides of 6-9C aliphatic acids (II) and 7-14 pts. wt. diacyl peroxides of 10-12C aliphatic acids (III). The initiator mixt. allows prepolymerisation and copolymerisation to be carried out without using molecular weight regulator giving polymers with improved physical properties, esp. impact strength, and transparency. Less discolouration of the polymer takes place than in previous materials, so that optical brighteners are not generally necessary.
Patent DE-2721549-A1 (DE)
Title: Skateboard with runaway brake - has pivoted lever acting on wheels or on ground normally pressed down by weight of user
Inventor: PELL EBERHARD
IPC: A63C17/14
Filed: 1977-05-13
Abstract: A brake to bring a skate-board to rest consists of a lever mounted on a pivot with the lower part of the lever carrying a brake shoe. This brake shoe can act on the rims of either the front or rear wheels of the skate-board or it can act directly on the ground. The upper part of the lever projects through the platform of the skate-board so that it is pressed downwards by the weight of the user and the brake shoe is inoperative. If the user jumps off or falls off the skate-board the brake is automatically applied and brings the skate-board to rest and so reduces the risk of injury to by sanders.
Patent DE-2724904-A1 (DE)
Title: Pencil sharpener with rotating inset section - has axis of pencil inlet channel inclined to working surface of lead cutter
Inventor: FISCHER ERNST
IPC: B43L23/00
Filed: 1977-06-02
Abstract: The pencil sharpener has a housing formed by a lower and a top section rotatable in relation to each other. An inset has a turnable bearing in a bore of the top section with the inlet channel for the pencil lead inside so that the longitudinal axis of the channel is inclined to the working surface of the cutter located inside the housing. This axis of the inlet channel is also offset in relation to the axis of rotation of the inset so that during rotation of the inset the axis of the pencil leads changes it's position relative to the cutter according to the main patent. The axis (12') of the lead inlet channel (12) and the axis of rotation (23') of the inset (23) are at an acute angle to each other.
Patent DE-2728350-A1 (DE)
Title: Mono-basic aluminium acetyl-salicylate prodn. - from aluminium salicylate, acetic anhydride and sodium hydroxide
Inventor: GRANER GERHARD DR RER NAT
IPC: C07C51/12
Filed: 1977-06-23
Abstract: Prodn. of monobasic Al acetylsalicylate (I) comprises acetylating monobasic Al salicylate (II) with acetic anhydride, with addn. of NaOH. (I) formed is then pptd. in separable, granular form by flooding with cold (20 degrees C) water. The prod. meets the requirements of NF 13, i.e. it has Al content 12-12.5%; max. free salicylic acid content 2% and moisture content 2.5%. (II) is prepd. by reacting ammoniacal alum soln. (pH5;70 degrees C) with ammoniacal salicylic acid soln. The mixt. is stirred at 60-70 degrees C, (II) is filtered off and washed until free of sulphate, and is then dried.
Patent DE-2728976-A1 (DE)
Title: Imidazole derivs. prodn. - by reacting 1,2-di:amine with carboxylic acid or dehydrogenating imidazoline in presence of zinc oxide
Inventor: DOCKNER TONI DIPL CHEM DR
IPC: C07D233/58
Filed: 1977-06-28
Abstract: Prodn. of imidazoles of formula (I) comprises (a) reacting 1,2-diamines of formula (II) with carboxylic acids of formula (III) or (b) dehydrogenating 2-imidazolines of formula (IV), in either case by heating at 300-600 degrees C in the presence of zinc oxide or a mixt. of zinc oxide and aluminium oxide as catalyst: (R1 - R4 = H or an aliphatic, araliphatic, cycloaliphatic or aromatic residue). (I) are intermediates for dyes, plant protection agents, textile aids, polyurethane and epoxy resin catalysts, surfactants and pharmaceuticals (e.g. nitroimidazoles). They can also be used as catalysts for polymerisations and aldol condensations. (I) is obtd. in good yields and purity. The catalysts used are cheap and easily regenerated, and are not significantly poisoned after prolonged use.
Patent DE-2735630-A1 (DE)
Title: Telescopic umbrella with rib articulation system - prevents roofing material from folding backwards during opening
Inventor: WEBER HEINZ
IPC: A45B19/10
Filed: 1977-08-06
Abstract: The handle consists of three telescopic parts (2, 3, 4). The pull-out points are secured by stops (5 and 6). The roof (7) supports (8) are articulated and can be folded (8a, 8b, 8c). The folding mechanism (9) is provided with a short arm (10) on its articulation joint (11) which steers the support steering rib (12). The other end of this rib (13) is connected to the main steering rib (14) which starts off from the main push-up mechanism (15). When the umbrella is closed, the support steering rib (12) is approximately parallel to the telescopically operable roofing rib cross-section (8b).
Patent DE-2741336-A1 (DE)
Title: Volume control for radio receiver in vehicle - has variable resistor in loudspeaker lead which is controlled by quantity varying with vehicle speed
Inventor: VOIT STEFAN
IPC: H03G3/32
Filed: 1977-09-14
Abstract: The volume control, for radio receivers in motor vehicles, has a variable resistor (4) in the AF line between the receiver's output and its loudspeaker to alter the volume. The variable resistor's slider is moved by a pivoted component exposed to the oncoming air or otherwise controlled by a speed dependent magnitude. The component may be the aerial (7) and its angle of pivot increases as the vehicle's speed increases thereby increasing the volume. The aerial is spring loaded (9) and returns to its minimum-volume position when the force of air against it drops to zero.
Patent DE-2745784-A1 (DE)
Title: Cleaning dirty particle-laden gas - by cleaning dirty gas direct from process and mixing with dirty gas escaping into air before secondary cleaning process
Inventor: DARBY KENNETH
IPC: B03C3/011
Filed: 1977-10-12
Abstract: Method is used for cleaning a dirty particle-laden gas emanating from a process carried out in an enclosed environment and ventilating the environment of escaped dirty gas. Dirty gas is collected direct from the process to provide a first dirty gas stream of relatively high particle concentration. Dirty gas escaping into the environment is collected to provide a second dirty gas stream diluted with air from the environment to a relatively low particle concn. The first dirty gas stream is subjected to a primary gas cleaning operation. The first stream from the primary gas cleaning operation is mixed with the second stream, and the mixed stream are subjected to a secondary gas cleaning operation.
Patent DE-2747418-A1 (DE)
Title: Concentrates obtd. from low grade nickel oxide ores - by roasting ore with coke, aluminium and potassium chloride
Inventor: TITOVA GEB FROLOVA ZOJA P
IPC: C22B23/02
Filed: 1977-10-21
Abstract: The ore is treated with 0.5-3% of its wt. of a reducing agent (a) consisting of Al, Mg, and/or a carbonaceous material (a1) contg. sulphur cpds. or salts of metals in gp. VIII of the periodic system; and a chlorination agent (b) is also added. The resulting mixt. is roasted 0.5-1.5 h at 800-950 degrees C. to obtain a residue from which a concentrate contg. Ni or Ni plus Co is obtd. Material (a1) is pref. coke used in a wt. ratio coke: Ni in the ore of between 0.05:1 and 0.14:1; and the coke may be replaced by, or mixed with a waste alcoholic sulphite lye. Agent (b) is pref. 5% KCl w.r.t. the wt. of the initial ore. The low grade ores pref. contain less than 1% nickel. Increased yields of Ni or Ni plus Co in the concentrates.