baber/WOPTO huggingface dataset:
Patent DE-2644676-A1 (DE)
Title: Vacuum cleaner dust bag with reinforcement plate - is manufactured in continuous process with foil covering plate and pipe opening
IPC: B31B41/00
Filed: 1976-10-02
Abstract: The vacuum cleaner dust bag is made of filter paper with a cardboard reinforcement plate (3) provided for the surface associated with the air intake pipe of the cleaner and is provided in the peripheral area of the opening with a seal which is formed by a foil (13) of plastics of low elasticity and high ductility which covers the plate (3). This seal can be readily manufactured since it can be applied to the prefabricated reinforcement plates on normal lining machines after which the opening in the foil is merely punched out. A continuous production of the plates is possible by punching out the openings in an endless moving web of cardboard and then applying a layer of glue. Openings are similarly punched out of a continuous endless web of foil following which the foil web and cardboard web are placed together and glued with matching openings whereupon the reinforcement plates are stamped out.
Patent DE-2645169-A1 (DE)
Title: Rail support system for holding posters - supports sheet-like advertising objects using two hollow profile rods fitting together
Inventor: HOELL FRIEDRICH
IPC: G09F1/10
Filed: 1976-10-07
Abstract: A nail support is for holding posters and other sheet-like advertising objects. It has two hollow profile rods which slide into one another. The outer profile rod (1) is designed as a housing and is provided with a continuous insertion slot in the longitudinal direction. The inner profile rod (2) is designed as a clamp which opens in the insertion slot. The outer profile rod (1) supports the inner profile rod (2). The outer profile rod (1) is designed as a hollow square rod. The cross-section of the inner rod (2) is U-shaped. The sides of the U-shape touch each other in order to form a seating slot.
Patent DE-2645382-A1 (DE)
Title: Plastically deformable tubular shock absorber - is connected at diametrically opposite narrow areas between load and base
Inventor: KESSLER ERWIN
IPC: E01F15/14
Filed: 1976-10-07
Abstract: The shock absorber comprises a narrow tubular or other annualr element (1) of selected axial length. The element is connected between the baseplate (3) and a load (4) to be supported. The lead and the base engage the element at diametrally opposite points of the tube. The mechanical strength of the tube is designed so that in the event of a sudden shock, the tube becomes plastically deformed. The limiting condition is when the apex touches the bottom of the tube. Several tubes may be arranged in series, in parallel, or inside each other.
Patent DE-2645853-A1 (DE)
Title: Damping action door hinge - has hollow pin with pistons and valves slowing closing movement of door
IPC: E05F3/20
Filed: 1976-10-11
Abstract: On the door panel and door frame are fitted hinge plates (12, 13). One of these is connected with a cylinder (17). The other plate has end components (21, 27) rotating with the cylinder. Cylinder has one pair of pistons (30, 31) with an oil chamber (32) between these pistons. A partition wall (51) between the pistons has a nonreturn valve (54) opened when the door is opened. Restrictor valve (47) in the partition wall restricts the oil flow during the second half of the piston movements in relation to the hinge closing movement.
Patent DE-2646248-A1 (DE)
Title: Gas turbine combustion system - has chambers spaced around compressor rotor with sequential ignition shortly before inlet valve closure
Inventor: HAGEN HERMANN DIPL ING DR TECH
IPC: F02C5/12
Filed: 1976-10-13
Abstract: The gas turbine has a number of combustion chambers spaced equally around the compressor rotor. Air from the compressor enters the respective chambers via inlet valves act acted by a cam ring. A motor rotates the cam ring via a shaft, as well as an ignition system and a fuel injection pump. The fuel is injected into each chamber in sequence and ignited by a high tension spark shortly before the respective inlet valves close. The expanding gases leave the detonation chambers to turn the turbine blades.
Patent DE-2652123-A1 (DE)
Title: Lockable curve drawing machine - consists of two sprung bands adjustable in parallel and including locking fitments
Inventor: REINAUER JOSEF
IPC: B43L13/22
Filed: 1976-11-16
Abstract: A curve drawing aid consists of a batten which is bent to shape and then locked. During the bending process two sprung bands adjust in parallel and after completing the fitting of the curve by adjusting of the machine bands they are locked in their position by several locking links. A locked curve remains rigidly unchanged until through release of the clamping elements the curve drawing machine returns automatically to its straight rest position. This machine is especially suitable for taking off models or objects with complex curve designs, which are either transferred from one model to another, or from a model to a drawing and vice versa.
Patent DE-2656298-A1 (DE)
Title: Tone quality changer for musical instruments - picks up sound signal, passes it through filters and controls inputs of set of amplitude modulators
Inventor: GRUMANN HELMUT DIPL ING
IPC: G10H3/12
Filed: 1976-12-11
Abstract: The changing device uses sound pickups, amplifiers and filters. Parallel filters (F1-FN) are allocated to each fundamental tone to be transmitted and are connected to the output of an amplifier (VE) following the pickup (1) coupled with the musical instrument. Their output voltages are rectified in rectifiers (G1-GN), smoothed in low-pass filters (TP1-TPN) and control the inputs (S) of series of amplitude modulators (AA1-AAN, AB1-ABN, AC1-ACN). Frequencies delivered by an audio frequency generator (T) are applied to the inputs (E) of the modulators, whose outputs are connected to an amplifier (VA).
Patent DE-2703543-A1 (DE)
Title: Prednisolone 21-benzoyl-propionate - used as topical antiinflammatory, prepd. by esterification of prednisolone
Inventor: NEEF GUENTER DR
IPC: C07J5/00
Filed: 1977-01-26
Abstract: 21-(3-Benzoylpropionyloxy)-11 beta, 17 alpha-dihydroxy-1, 4-pregnadiene-3, 20-dione (i.e. prednisolone 21-3-benzoylpropionate). (I) is new. (I) is an antiinflammatory with much higher activity than prednisolone on topical admin. and no greater systemic activity local ED50 in the croton oil-induced rat ear oedema test is 0.48 mg/kg. (I) can be used in conventional lotions, ointments etc. to treat contact dermatitis, eczema, neurodermatosis, burns, erythrodermia, psoriasis, pruritis etc. (I) an also be used by inhalation for treating allergic respiratory tract diseases, e.g. bronchial asthma or rhinitis.
Patent DE-2715913-A1 (DE)
Title: Cylinder for fast hydraulic press - has adjustable stop accessible from outside, can be combined with automatic operating unit
Inventor: WIRTH HARALD ING GRAD
IPC: B30B15/18
Filed: 1977-04-09
Abstract: The piston (3) for a rapid action press has a piston rod (20) which extends to one side. A guide (9) is mounted centrally on the cylinder cover (8) on the opposite side of the piston rod which extends axially into the piston and the piston rod. This guide has a stop (16) to limit the piston travel. The stop can be adjusted from the outside with a chain wheel (24) and nut (23). The piston further has a space for the idle stroke which can be connected to a pressure source via bores which pass through the cylinder cover.
Patent DE-2719897-A1 (DE)
Title: Reactor emergency cooling feed powered by injector pump - propelled by hot water from reactor giving rapid start-up
Inventor: REINSCH ARNOLD OTTO WINFRIED
IPC: G21C15/18
Filed: 1977-05-04
Abstract: An emergency cooling system for a nuclear reactor core comprises a hot water ejector pump, containing a Laval nozzle, in which the propellant fluid is hot water from the outlet, from the reactor vessel and the propellet fluid is cooling water from an emergency cooling water tank. The propellant hot water changes to a two-phase flow in the Laval nozzle thus giving high acceleration, the injector pump discharges into the inlet line and so back into the reactor core. Pref. the hot water supply to the injector pump passes through a cooler, esp. a down-pipe in which the increasing press. raises the saturation temp. A rapid start-up is effected and requires no electrical supply. The system is engaged by opening a valve. The system thus requires no other moving parts and can be used in parallel with a conventional, electrically powered emergency cooling system.
Patent DE-2722490-A1 (DE)
Title: Blade for sawing green wood - has trapezoidal teeth with lengthways cutting edges only on narrow side
Inventor: GRZESIEK LEOPOLD
IPC: B27B33/02
Filed: 1977-05-18
Abstract: The wood saw is esp. suitable for sawing freshly cut timber. The saw blade has trapezoid-shaped teeth with sharpened cutting edges fitted exclusively along the length of the saw blade on the narrow side of the trapezium. The serration gap may also be trapezoid in shape. On each saw tooth the cutting edge may be interrupted along its length by a triangular gap which is shallower in depth than the trapezoid gap between pairs of teeth.
Patent DE-2734815-A1 (DE)
Title: Pamphlet or newspaper production and addressing unit - has ink jet printer to apply address details directly onto printed product
Inventor: MUELLER HANS
IPC: B41J2/01
Filed: 1977-08-02
Abstract: Pamphlet or newspaper production unit has several feed stations (2) arranged along a converyer to collect the printed sheets for the publications. The sheets are fed to a binder (3), through a cutting machine (4) to further feed stations (5) and thence to the addressing unit (7). Here the address details as obtained from a central data bank and printed directly on the publication by an ink jet printer following which the wrapper is applied. The printer typically has a piezoelectric crystal connected to a high frequency generator. The charged ink particles are guided onto the publications by charged deflection plates.
Patent DE-2740040-A1 (DE)
Title: Propellant mixt. for pressure gas packs - contains liquefied 1,1,1-tri:fluoro-2-chloroethane and gaseous carbon di:oxide
Inventor: NAPIERSKI KLAUS
IPC: C09K3/30
Filed: 1977-09-06
Abstract: Liquefied CF3-CH2Cl, (I), is used as propellant in the prepn. of pressure gas packs, e.g. aerosol containers, contg. (I) liquefied under pressure and CO2 in addn. to dissolved, emulsified or suspended liq. contents. The pack may contain hair-, lacquer-, foam- or cosmetic deodorant sprays and aerosols. Ostwald coefft. of CO2 in (I) is 8. (I) has b.pt. + 6.1 degrees C and is gaseous at NTP. Vapour -pressure of (I) at 50 degrees C is 4 bar, and it can be used safely. Pressure-fall of sprays in use is reduced.
Patent DE-2740797-A1 (DE)
Title: Timing stage with clocked monoflop - drives D-flip=flop memory that generates acoustic or optical alarm
Inventor: STIEHL WOLFGANG ING GRAD
IPC: H03K5/156
Filed: 1977-09-09
Abstract: The timing stage is used for setting the mark/space ratio of a rectangular-wave voltage. It has its output connected to the clock input of a 1-bit memory (3) whose data input is connected to the output of the timing stage (2) and whose output produces an alarm signal when the duration of the pulses set at the timing stage is greater than the period of the rectangular wave. The 1-bit memory is a D-flipflop and the timing stage a monoflop. An acoustic or optical indicator (4) is connected to the memory output.
Patent DE-2744591-A1 (DE)
Title: Combined valve and radial piston pump - has discharge of one section connected to suction of next section
Inventor: WINTER KLAUS
IPC: F04C11/00
Filed: 1977-10-04
Abstract: The pump has a rotor (5) turning eccentrically within a cylindrical casing (1). Pistons (6-12) slide radially in slots in the rotor and their outer ends press on a ring (20) inside the casing. The outer ends act as vanes forming working spaces between the rotor and ring. The inner ends act as reciprocating pistons in cylinders on the inside of the rotor. The pump inlet is into the suction (23) of the vane pump. The discharge (24) of the vane pump is connected to the suction (26) of the piston pump and the discharge (27) of the piston pump is taken to the pump delivery.
Patent DE-2749654-A1 (DE)
Title: Horizontal oscillation absorbing base disconnector - has annular springs linking movable-base to foundations
Inventor: KRIECHBAUM KARL DR ING
IPC: E02D27/34
Filed: 1977-11-05
Abstract: The uncoupling device is for accommodation of horizontal oscillations between foundations and base unit, esp. as applied to high-tension apparatus in an area subject to earthquakes. The base unit is horizontally displaceable, movement being limited by a spring element which connects base unit and foundations. The spring element (7) incorporates one or more annular springs (6). The base unit (3) and foundations (4) may be superimposed flat slabs, while the spring element is a tensile bar (15) passing through holes (13, 14). The top and bottom ends are seated in ball joints interposed.
Patent DE-2755566-A1 (DE)
Title: Glass capillary gas chromatograph splitter - integral with displacement tube sealed against evaporator tube
Inventor: LUX ERICH DR
IPC: G01N30/12
Filed: 1977-12-13
Abstract: A splitter in the spray block of a gas chromatograph includes a displacement tube, a footing and a splitter as an integral unit. A packing seals off the evaporator tube in the lower part of the displacement tube. The result is a simple splitter which is easy to handle. It is well suited both to an operation with glass capillary columns and for packed columns.
Patent DE-2758206-A1 (DE)
Title: Plug connector for caravans etc. - has countersunk contact pins on supports, insertable from outside into plastic housing and with fuses for each phase
Inventor: KOESTER GERHARD
IPC: H01R13/68
Filed: 1977-12-27
Abstract: The plug connector is intended for mobile appliances and has a plastics housing (1) containing contact pins (4) which protrude orthogonally from the inner rear wall. The housing inside can be closed by a lid. The contact pins are secured to a special contact support (2), insertable from outside into the housing. The support carrier fuses (9) for each phase, whose one end is conductively coupled to one contact pin, while their other end abuts contacts on the housing rear wall (12). Preferably the fuses are secured in the contact support against a spring pressure. The lid has an aperture for a cable lead-through.
Patent DE-2758696-A1 (DE)
Title: Artificial kerb for sports pitches and playgrounds - moulded from particulate rubber scrap and binder, interiorly reinforced with wire, steel rods or mesh
Inventor: RICHARDT HORST
IPC: B29B17/00
Filed: 1977-12-29
Abstract: Moulded kerbstone such as may be used for separating a running track from a lawn on a sports or playing field, is composed of granulated rubber waste and a binder and incorporates >=1 deformable, reinforcing, inset, e.g. spaced-apart, parallel wire(s), steel rods or wire netting.
Patent DE-2805024-A1 (DE)
Inventor: PAULIK JENO DR
IPC: G01D9/30
Filed: 1978-02-06
Abstract: There is a number of measuring points, each signal being measured by one independent measuring unit each. The recording system contains a linear differential transformer (39, 40, 41) and a zero detecting and amplifier stage (36), the output of which is connected to a servo motor (35). The servo motor (35) moves, on the one hand, the iron core (41) of the linear differential transformer and, on the other hand, a write head (37) for recording the change in the measured electrical signal. Such a recording system largely avoids measuring errors. There is an individual write head for each measuring point. The write heads are constructed in such a manner that the written points are at the same location for the same measurement value. <IMAGE>
Patent DE-2816128-A1 (DE)
Title: Multi-barrel shotgun with rifle attachment - has detachable upper barrel which is adjustably held in mounting rings
Inventor: PACINER RUDOLF
IPC: F41A21/08
Filed: 1978-04-14
Abstract: The multi barrel shotgun also has a rifle barrel. At least one of the barrels is fixed on the cartridge chamber end holder. One of the remaining barrels is connected with this holder so that it can be released. The rifle barrel is pref. replaceable, and is pref. arranged at the top close to the sight line.
Patent DE-2816345-A1 (DE)
Title: Vibration absorber for use in shipbuilding - has flexible vibration absorbing body with inserted masses altering vibration frequency
Inventor: JEHLE NORBERT DIPL PHYS
IPC: E04B1/82
Filed: 1978-04-14
Abstract: The vibration damper is used for heavy objects, in ship-building or for damping vibrations of concrete structures. On the surface of the object (1) is placed a body (10) which carries masses (12). The body is a composite vibration absorbing material. The body can be a cast resin, thermoplastics or thermosetting plastics of suitable stiffness and of suitable loss factor. The vibration absorbing masses can have plate or rod form. The latter can be made from steel or concrete or from stone and of mortar with heavy additives.
Patent DE-2825096-A1 (DE)
Title: Flexibly supported electromagnetic valve seat body - also has flexibly supported to reduce noise and vibration locating body transmission
Inventor: HANS WALDEMAR
IPC: F16K31/40
Filed: 1978-06-08
Abstract: The electromagnetic valve has a body controlling a connection between inflow and outflow apertures, and connected a magnetic armature. Its metal seat body is located on the valve housing via a primary flexible body, and fits into a body likewise supported against the valve housing by a secondary flexible body. The inflow hole in the seat body leads centrally to the main valve body. This has its rear side connected to the outflow hole in the seat body and running radially outwards.
Patent DE-2826895-A1 (DE)
Title: Crosslinked n-methylol-acrylamide gels contg. polysaccharide - on polyester film support, for electrophoretic sepn. of lipoprotein(s)
Inventor: BOSCHETTI EGISTO
IPC: B01D57/02
Filed: 1978-06-19
Abstract: New hydrated or rehydratable gels laminated onto a polyester film comprise a polymer (I) of N-methylol-acrylamide (II) in the structure of which is included a gellable polysaccharide (III) contg. COOH gps. (I) is formed from (II) and a bifunctional allylic or acrylic agent, esp. N,N'-methylene-bis-acrylamide (IV) for insoluble gels; diallyl-tartramide for gels soluble in 2% HIO4, or ethylene diacrylate for gels soluble in alkali soln. (III) is pref. agarose with strong electroendo-osmotic props. contg. only COOH gps. and is used at 0.1-1%. Used for electrophoretic sepn. of plasma and serum lipoproteins in a discontinuous gradient. Any chylomicrons are completely retained near the sample reservoir; pre-beta-lipoproteins are stopped at the gradient boundary; while the beta-, alpha- and pre-alpha components are sepd. in the more conc. gel. Densitometric measurements are easier on plates than on cylinders, and the plates can be dried after use to give supple films which are easily stored.
Patent DE-2828995-A1 (DE)
Title: Safe methane gas conc. measurement device - uses chamber with stub sensor and gas tight screw connector projecting into pipe
Inventor: MUECKE GERHARD DR ING
IPC: G01D11/30
Filed: 1978-07-01
Abstract: An intrinsically safe device for measuring methane conc. in gas extraction and gathering pipes, e.g. in mining applications, enables direct delay-free continuous measurement and is simple to construct. A conventional measurement chamber (1) is connected to an evaluation unit via an electrical measurement conductor (16). It is also connected via a gas tight screw connector to a cylindrical stub pipe (6) projecting into the gas pipe (4) into which it is screwed. The stub pipe is sealed at its lower end, has peripheral borings (7) near the end which incline upwards, and contains a baffle (8).
Patent DE-2831202-A1 (DE)
Title: Corrugated tube compensator rolling device - has two radially adjustable driven shafts with profiled rollers axially sliding of shafts
Inventor: SCHAEFER AUGUST WILHELM
IPC: B21D15/06
Filed: 1978-07-15
Abstract: The rolling device produces corrugated expansion compensated tubes from cylindrical sheet metal sections. The device consists of two parallel shafts (1, 2) mounted on a machine frame (3). The shafts carry a set of profiled rollers (4, 5, 6) and are fitted on the frame so that the distance between the two shafts is adjustable. The shafts are driven by drive assemblies (17) in counter rotating sense. The length of cylindrical sheet metal tube (11) is slid over one of the two shafts with the two shafts pulled apart. By driving together the two shafts the undulation on the surface of the tube are formed while the profiled rollers slide automatically towards each other.
Patent DE-2831394-A1 (DE)
Title: Carbon mon:oxide sensor with high sensitivity - uses silica layer coated with doped stannic oxide and then platinum
Inventor: TAKAHAMA TEIZO DIPL ING
IPC: H01L49/00
Filed: 1978-07-17
Abstract: The sensor consists of an insulating substrate (a) coated with a layer (b) of SnO2, followed by a layer (d) platinum Donor impurities (b1) are pref. added to layer (b); or a layer (b2) contg. donors (b1) is provided on layer (b), followed by a layer (c) of SnO2 contg. acceptor impurities (c1). The Pt layer (d) is pref. 0.3-30 atoms thick; and two pairs of electric contacts are pref. applied to the assembly of layers (a, b, c, d). See also 2831400. The resistance value of the sensor can easily be adjusted to trigger an alarm when the combustion of gases in a burner is incomplete so CO is formed; and the sensor is not affected by the presence of other gases such an NOx.
Patent DE-2838010-A1 (DE)
Title: Control circuit for transistor switch - has capacitor and resistor in parallel with resistor and sec. winding to reduce switch=on losses
Inventor: GANZER ERICH DIPL ING
IPC: H02M1/00
Filed: 1978-08-31
Abstract: The control circuit has the series combination of a capacitor (C2) and a resistor (R3) in parallel with the series combination of a transformer's first secondary winding (NW2)-with parallel attenuating resistor (R1) - and a rectifier (D1). The resulting parallel combination is connected to the collector of one control transistor (Ts2). The second secondary winding (NW3) is connected to the collector of the other control transistor (Ts3) via the parallel combination of an inductor (Dr1) and a resistor (R4). The bases of the two transistors are connected to the control circuit.
Patent DE-2844205-A1 (DE)
Title: Roughening smooth flooring for accident prevention - involves application of punctiform loading with hard compression resistant units
Inventor: GLAHN HANNS ING GRAD
IPC: E01C23/082
Filed: 1978-10-11
Abstract: The system obviates the danger of people slipping and falling on excessively smooth surfaces, in industrial premises, swimming pools, public buildings or elsewhere. It uses an appts. for in-situ roughening of hard smooth clinker, ceramic-tiled or natural or artificial stone floors. Punctiform loads (4) on rollers specifically exceeding the specific compressive strength of the surfacing, imprint depressions, of a square mm size and at least one-tenth mm deep, into the surface by means of spikes which are harder than the surface. Ballast (2) can be used to vary loading as required. This is effective without damaging the surface.