baber/WOPTO huggingface dataset:
Patent DE-2318794-A1 (DE)
Title: Foam moulding - using cooled mixture with increased catalyst
IPC: B29C39/12
Filed: 1973-04-13
Abstract: Designed for moulding polyurethane foam automobile components, the mixture's catalyst is increased up to 3 times to accelerate the chemical reaction time, while cooling the mixture to about 0 degree C ensures that the delay time between mould closing and the start of foaming remains unchanged. Method increases process speeds without reducing product quality.
Patent DE-2328628-A1 (DE)
Title: Recovery of microbial protein - with nucleic acid content
Inventor: FENCL ZDENEK DR
IPC: A23J1/00
Filed: 1973-06-05
Abstract: Cell material consisting of unicellular microorganisms is ground in the form of a 1-25% suspension with the addition of alkaline substances (pref. NaOH) at pH 9-14 at 0-40 degrees C, the cell walls are separated off at pH 7-9, the protein is precipitated by acidifying at pH 2-7 and the protein is centrifuged off, dried extracted with alcohol to remove lipids, and again dried to give protein having a low nucleic and content which is utilisable as a food- or feedstuff. In the above procedure, nuclease is released during the grinding process so that nucleic acids are broken down to nucleotides which are not precipitated with the protein. The protein obtained is more easily and has a higher biological value than protein contained in intact cells.
Patent DE-2332086-A1 (DE)
Title: Door anchor with profiled rail - receives serrated limb of angle iron for attachment on wall
Inventor: WAGNER KARL
IPC: E06B1/60
Filed: 1973-06-23
Abstract: The profiled rail is fixed outside on the door jamb and receives the angle iron limb which has only its lower edge serrated. These serrations interact with matching teeth on the rail against which they are pressed by a nail or hair-pin bent wire whose one limb serves as the clamping wire and whose other limb acts as the mounting. The design is of simplified format to prior art versions, with reduced manufacturing costs and additionally in technically more effective.
Patent DE-2332800-A1 (DE)
Title: Conveyor for loading and unloading refrigeration truck - has overhead distributor rail with reversible incline
Inventor: KAMM ERICH
IPC: B65G67/02
Filed: 1973-06-28
Abstract: A horizontal support frame, located overhead carries a distributor frame on four vertical screw spindles. One end of a transport chain track is fixed to the support frame and the other end has a pivot connection with one end of a distributor rail. The other end of the distributor rail can be moved to a number of positions along a horizontal circular path by means of cylinders. Telescopic connecting rails fixed to the distributor frame link each distributor rail position with a corresponding overhead rail in the refrigeration truck. For loading, the carcass is automatically pulled up the inclined chain track. After passing the highest point it slides down the distributor rail and along the selected rail of the truck. For unloading the screw spindles reverse the inclines of distributor and transport track. A carcass leaving the truck slides down the distributor rail and is then automatically pulled up the transport chain track to the level of the overhead rail in the store room.
Patent DE-2333066-A1 (DE)
Title: Voltage controlled oscillator monitoring - uses monitoring generator with lower frequency between control amplifier and tuning diode
Inventor: WEBER HERBERT
IPC: H03L7/20
Filed: 1973-06-29
Abstract: The VCO has a quartz oscillator in its control loop which consists of a phase discriminator, in which the two oscillators voltages are compared; when a frequency deviation occurs, it delivers a control voltage to a following control amplifier connected through a capacitance tuning diode to the oscillator. A monitoring generator is inserted between the control amplifier and the diode and its frequency is much lower than that of the oscillator. A rectifier, followed by a signalling device, is connected to the monitoring generator. The crystal oscillator frequency may be lower than that of the oscillator. The phase discriminator may be of sampling type.
Patent DE-2344439-A1 (DE)
Title: Commercial vehicle driver cab - has sliding door for two tier bunk section behind seats
Inventor: SCHMIDT WERNER
IPC: B62D33/06
Filed: 1973-09-04
Abstract: The driving cab to the rear of the driving seats has a housing containing two bunks one above the other. Between the housing wall behind the driver seat and the bunk ends is a rigid cupboard closed by a sliding door, which when opened moves into a constricted region of the bunks. The door is provided with an adjustable steel strip at the top and bottom which contains a double row of roller balls in cages which slide without play in the upper and lower roller ways fixed to the top and bottom of the door frame. Owing to the metal strips being adjustable the door can be fitted with a minimum of play to avoid rattles.
Patent DE-2356161-A1 (DE)
Title: Sawdust discharge device for polygonal shaped silo - oscillating grate discharges into screw conveyor
Inventor: HALVORSEN TOR SVEIN
IPC: B65G65/44
Filed: 1973-11-09
Abstract: An oscillating grate to discharge sawdust and wood chips from a polygonal or round silo. The grate is cast or fabricated to give large openings and has a central ring (55) sliding in a guide (39) which is part of the silo structure (35). To this ring is attached (56) the rod of a powered cylinder (57) so that an oscillating motion is given to the grate as the cylinder operates. The dislodged material falls into a discharge chute (36) in the base of the silo, where it is removed by a screw conveyor. The components of the grate have inclined surfaces to reduce clogging.
Patent DE-2360586-A1 (DE)
Title: Apparatus for enclosing articles in thermoplastic film - with article-transporting belt and belts for removing film residues
Inventor: HOELLER HANS
IPC: B65B61/28
Filed: 1973-12-05
Abstract: Appts. for enclosing articles in thermoplastic film has an endless conveyor belt, on which the packages enclosed in a tubular cover are supplied to separating/welding devices and then moved away from these devices, and belts that remove the separated residues from the ends of the cover after separation and welding, these belts being guided in a carve around the reversal zone of the conveyor belt in the end region of the conveyor belt. Ensures positive removal of the film residues after separating/welding so that these do not adhere to the welded seams.
Patent DE-2401081-A1 (DE)
Title: Pivot pin fastening for windscreen wiper - has ratchet spring held on the wiper arm underside and able to rotate
Inventor: BAUER KURT
IPC: B60S1/40
Filed: 1974-01-10
Abstract: This arrangement is used for fastening a hook shaped windscreen wiper arm end on a double arm ratchet spring which is able to rotate on a pivoting pin and which is placed between the side walls of a profiled windscreen wiper support bracket. The upwards bent hook shaped windscreen wiper arm end is held on the underside of the windscreen wiper blade bracket by the ratchet spring. This arrangement ensures that the depth of the assembled unit is determined only by the depth of the windscreen wiper blade. The actuating arm uses gaps between the wiper holder and the wiper blade holding ratchet. In order to ensure that the actuating arm and the wiper blade do not interfere outside the pivoting point, the wiper arm end is bent sideways and the blade and arm become parallel outside the pivoting point.
Patent DE-2404650-A1 (DE)
Title: Negative plate for lead-acid accumulator - has expanded copper base dipped in tin bath followed by electro-plating with lead
Inventor: KIESSLING REINER DR
IPC: H01M6/50
Filed: 1974-01-31
Abstract: To reduce the plate weight for lead-acid accumulators and to increase the conductivity at increased mechanical strength a negative electrode made of expanded copper is used. This is tinned and is then covered with a layer of lead. To avoid poisoning of the lead by the copper during the electro-chemical reactions the tin layer must have a thickness of 0.2 mm and any pockets or holes in the layer must have a diameter of less than 0.2 mm. The tin layer is obtained by dipping the copper electrode into a bath of molten tin at a suitable temperature. The lead layer is obtained by electro-plating to a thickness of 0.15 to 0.2 mm.
Patent DE-2405542-A1 (DE)
Title: Transverse load on pistons resisted by magnetic field - induction coils wound into cylinder walls and piston produce opposing forces to centre piston
Inventor: ROSE PETER
IPC: F16J1/02
Filed: 1974-02-06
Abstract: The piston is located in a cylinder with an air gap clearance. Two induction coils are located in the composite cylinder block assembly and a further coil is built into the piston assembly. The resulting magnetic fields react against each other so that the piston is centred. Any transverse loads applied to the piston are opposed by the electromagnetic field effect. An alternative method of generating the magnetic field is based upon a number of magnetic coils inserted into the piston and cylinder walls at regular intervals.
Patent DE-2410645-A1 (DE)
Title: Roasting, baking and grilling oven with sealed door - has bottom ventilating duct without sealing above condensation collector
Inventor: LUDER FRANZ
IPC: F24C15/14
Filed: 1974-03-06
Abstract: The purpose is to assist in keeping the sealed-door oven interior free from dripping fat and similar arising from condensation in heavily loaded interior air. Door sealing is omitted from the area round the air discharge duct, provided at the lower end between the door and the side of the casing, beneath which is the collector for accumulations of condensation, pref. in the form of the top cover of a cupboard under the oven, which may be trough-shaped. There may be air inlet openings in the rear of the oven casing, and a circulating ventilator sucking fresh air through these and ejecting a corresponding volume of hot air through the duct.
Patent DE-2416083-A1 (DE)
Title: Pipe conduit muff union - comprises flexible metal ring with toggle lever closures and rubber seal
IPC: F16L21/00
Filed: 1974-04-03
Abstract: A muff for the union of pipe conduits is composed of a flexible, bendable sheet metal ring in the form of a cylindrical section, which is cut open approximately parallel to its longitudinal axis, and its lengthways edges are drawable together by means of draw closures. The closures take the form of a toggle lever. Between the muff and the pipe ends a sponge rubber seal is fitted. On the muff inner wall at least one lengthways running strip is incorporated. The coupling allows the pipe ends to abut face to face, and takes up no space axially.
Patent DE-2418126-A1 (DE)
Title: Foot plank for flower beds etc. - has flowers, numerals, letters fixed to its upper surface
Inventor: KEIDERLING GEORG
IPC: B44C5/00
Filed: 1974-04-13
Abstract: The foot plank such as is used inthe preparation of flower beds in garden, graveyards etc. has symbols such as flowers, numbers, letters etc. fixed to its surface either removably or non-removably.
Patent DE-2420615-A1 (DE)
Title: Air duct coupling for car - with elastic bellows duct pressing magnetic rubberised collar onto air port
Inventor: KLEIN ERWIN
IPC: B60K11/00
Filed: 1974-04-27
Abstract: The end of the air duct is fitted with a ferromagnetic flange while the end of the air attachment, e.g. blower unit is fitted with a flexible bellows and a special flange which holds a rubber gasket. The rubber gasket is loaded with ferromagnetic powder so that it can be magnetised. The system provides a secure air duct seal without requiring any coupling bolts. It also enables the coupling to be made with the surfaces not parallel. The air blower, or similar equipment can be easily removed from the vehicle for repair etc.
Patent DE-2434587-A1 (DE)
Title: Horizontal hydraulic press with removable top spar - has movable cross beam guided on central shaft
Inventor: PAHNKE HANS J
IPC: B21J9/12
Filed: 1974-07-18
Abstract: Horizontal hydraulic press with a flappable or removable top spar (S) for expanding rings especially castings where the movable cross beam is guided on a central shaft (8) in the cylinder spar and can be so inclined about a horizontal shaft that the casting tools (18, 15) stand at an angle to each other. The press has at least two master cylinders and the hydraulic fluid feed to the cylinders is so regulated that the working motion of the two tools (18, 19) is either parallel or inclined to each other. Specifically the guide spar (8) is in the form of a stepped piston of a third working cylinder.
Patent DE-2436915-A1 (DE)
Title: Carrier supply unit switching over device - is from operating to stand-by carrier unit in case of at least one faulty carrier supply unit
Inventor: BEETZ HEINZ
IPC: H04J1/16
Filed: 1974-07-31
Abstract: In normal operation carrier supply units (1-n) are connected through a relay contact (U1-Un) to the corresponding line and also directly to an interference voltage evaluation device (SA) which, in case of a fault in a carrier supply unit (1-n) throws over relay contacts from the faulty unit, so that a next in a certain sequence carrier supply unit is connected to the line belonging to the preceding unit. The last in this order carrier supply unit is the stand-by unit (n). After the fault has been cleared, all relay contacts automatically return to their initial positions.
Patent DE-2443673-A1 (DE)
Title: Finding subject distance for self-focussing camera - swinging mirror reveals angular position of infra-red spot
Inventor: DEML REINHOLD DR
IPC: G01S7/481
Filed: 1974-09-12
Abstract: A narrow collimated beam of infra-red light is directed at the photographic subject; returning light is picked up by a mirror, swinging at, preferably, its resonant frequency. The reflected spot passes, twice per mirror cycle, over a slit, behind which is a photo-electric cell. The moment in the mirror's cycle when the spot reaches the slit reveals the orientation of the photographic subject; the other geometrical parameters being known, the subject's position and distance are determine. Infra-red light, modulated, for identification, at 10 - 20kHz returns from the mirror to the photocell, it is amplified (selectively at the modulation frequency) sun detected. This gives a sequence of pulses, one being generated each time the mirror passes the critical position.
Patent DE-2445668-A1 (DE)
Title: Electronic flash with automatic light intensity control - has thyristor in series with flash tube
Inventor: DIETRICH ROLF DIPL ING
IPC: H05B41/32
Filed: 1974-09-25
Abstract: The flash tube is ignited via a release contact and has a series thyristor, which is controlled from a control circuit containing a photo sensor for monitoring the ambient lighting conditions. An additional thyristor is connected in parallel with the flash capacitor supplying the flash tube and the control electrode of this thyristor is connected to the release contact. An ignition capacitor in series with an ignition transformer is connected in parallel with the additional thyristor, so that the control voltage for the series thyristor is obtained from the cathode resistance of the additional thyristor. A second additional thyristor is controlled by the photo element and connected in parallel with a discharge capacitor for the series thyristor. A voltage divider comprising a light bulb (29) in series with a parallel capacitor (31) and resistor (300) is connected across the first additional thyristor, with a zener diode (301) across the latter resistor (300).
Patent DE-2447869-A1 (DE)
Title: Rotary piston engine or motor - has two blocks oscillating inside a rotating cylinder
Inventor: WENDHOF ROBERT ING GRAD
IPC: F01B13/02
Filed: 1974-10-08
Abstract: The rotary piston engine consists of a cylindrical housing in which a short cylinder can rotate. The cylinder drives or is driven from a shaft which is concentric with the cylinder. An eccentric pin is integral with the shaft and protrudes into a hollow rectangular space inside the cylinder. A first rectangular block mounted on the eccentric, can oscillate in a rectangular space inside a second rectangular block. This second rectangular block can oscillate in a rectangular space inside the cylinder. When the cylinder is driven round, the eccentric will oscillate the first block which in turn will oscillate the second block. Pressurised fluid pumped either side of the blocks will rotate the cylinder, and drive the shaft.
Patent DE-2451511-A1 (DE)
Title: Deep drawing containers from sheet material - with simultaneous clamping of material along continuous strips in stepwise manner
Inventor: BRACHT FRIEDRICH WILHELM ING G
IPC: B29C51/08
Filed: 1974-10-30
Abstract: Containers are deep drawn from metal, e.g. aluminium or laminated plastic sheets by (a) clamping the edge regions of the sheet, (b) deforming the sheet in one direction, pref. the vertical direction, so that the profile of the finished container is formed by the surface profile of the cooperating deep drawing tool, and (c) clamping the sheet along continuous material strips in stepped heights during the deep drawing operation. Provides uniform utilisation of the load-bearing power of the sheet material over the entire container height. Enables fold-free containers to be produced. These containers can be stacked. Thin metal sheets can be drawn to previously unattainable depths.
Patent DE-2456445-A1 (DE)
Title: Amplifying circuit for electro-acoustic signals - has transfer circuit tuned to frequency of external interference noise
Inventor: FRICKE JOBST PROF DR
IPC: H03G3/32
Filed: 1974-11-29
Abstract: The amplifying circuit is used to amplify useful electro-acoustic signals, in the presence of an external interference noise in the listening area of the reproduced sounds e.g. due to road traffic, aircraft noise etc. A transfer circuit (17) is selectively inserted in the signal path, the frequency of which is tuned in accordance with the frequency spectrum of the interference noise. Preferably a dynamic compressor (14) is also selectively inserted in the signal path, and the transfer circuit (17) has an amplification factor for each frequency determined by the interference noise level for this frequency.
Patent DE-2462269-A1 (DE)
Title: Battery changing station for electric vehicle - with transfer trolley on rails alongside vehicle and overhead lifting gantry
Inventor: MERKLE THEODOR DR ING
IPC: B60K1/04
Filed: 1974-03-02
Abstract: The battery changing station for the electric vehicle (1) has the batteries (19) stacked on support cradles (30) alongside a guide rail track (25) running alongside the vehicle. A platform (26) runs along the rails so that the battery changing trolley (4) can be moved along the vehicle to line up with the battery support rails on the vehicle. A gantry (27) over the trolley transfers the batteries to and from the trolley and the storage cradles. The system provides a simple and rapid transfer of the batteries without any special requirement to position the vehicle acurately.
Patent DE-2506705-A1 (DE)
Title: Sectioned drainage gutter for building into ground - comprises gutter component inserted in composite top edge and sidewall component
Inventor: HARDICK GERD
IPC: E01C11/22
Filed: 1975-02-18
Abstract: The drainage gutter is built into the ground, to enable water to run off from roads and has a covering grille above a gutter base. It is made up from sections, and has side walls strong enough to bear heavy loading. The sections have a horizontal top edge and an inclined base, the gutter comprises a composite component forming the top ede and two side walls (1, 2) and a gutter component (10) which can be set into this. The composite component is a U-shaped box, fitted for insertion of retaining units for the gutter component at varying heights. It may be of thin-walled plastic, with fittings (4) for support of the top edge on an external support and it may be embedded in concrete.
Patent DE-2506742-A1 (DE)
Title: Working tool for stone cutting - has diamond cutting discs on tool supports engaging in clamps within saw blade
Inventor: HENSCHEL GUENTHER GEORG
IPC: B28D1/12
Filed: 1975-02-18
Abstract: A tool for use in working of materials partic. for stone working having hardened metal or diamond cutting bodies mounted on the tool support device, in partic. a so called diamond circular and cross cut saw, having inlaid diamond cutting discs, has the discs (3) and the tool support device connected together in an easily releasable manner by means of insertable, pref. slide or push-in expanding clamp projections (5). The discs (3) are inserted into cut-out sections (6) of the saw blade by means of the tool support which engages the clamp projections (5).
Patent DE-2509428-A1 (DE)
Title: Sintered filter in petrol tank breather pipe - allows gas transfer but prevents passage of liquids
Inventor: SCHIESTERL GERHARD
IPC: B60K15/035
Filed: 1975-03-05
Abstract: The vehicle petrol tank (1) has a filler tube (2) and an external collectorvessel (4). An overflow pipe (3) connects the filler tube with vessel (4) so that fuel which is forced out of the tank due to turbulent vehicle motion can escape into the collector vessel. From the collector vessel a feedback pipe (5) allows the fuel to return to the tank. At the top end of the collector vessel a pipe (7) provides a connection to atmosphere. A sintered filter element in that pipe allows air or gas transfer, but it prevents the flow of liquid. Thus when the vehicle overturns in an accident , petrol cannot escape from the tank.
Patent DE-2509672-A1 (DE)
Title: Potato harvester with rotating screen-belt - has outside counter-rotating roller and inside elastic roller with elastic blades
Inventor: WEITZ OTTO
IPC: B65G39/06
Filed: 1975-03-06
Abstract: A roller with elastic blades around it has a rigid hub and a number of strips to which are joined elastic blades. The outside edge of the blades can be parallel or at an acute angle to the centre axis of the roller. The screen belt (7) rotates and causes the roller to rotate and the previously radial blades to bend and rest against the inside of the screen-belt (7), thereby forming a sealed surface at the turn in the screen-belt (7). The blades resume their radial position in the gap between the two stringers of the screen-belt (7). Any stones (9) lying between the bars (8) of the screen-belt (7) are pressed outwards so that they lie freely on the screen-belt (7) and are conveyed to an attached conveyor.
Patent DE-2510483-A1 (DE)
Title: Pleat-forming curtain tape with flattened fold headings - has pleat groups with centre ruching holding pleat arms flat against smooth sections
Inventor: BUENGER WALDEMAR DIPL CHEM DR
IPC: A47H13/16
Filed: 1975-03-11
Abstract: The pleat-forming curtain tape (12) which has draw cords for forming alternate stretches of smooth heading and groups of folds or pleats is designed so that in the middle of each group of folds (20, 20') there is a fine ruching (21) of short meander-shaped windings (25) which exerts a force (26) like a compression spring in the lengthening sense. The width of the windings of the relevant piece of tape only amounts to a fraction, pref. a third, of the length (27) of the arm of the individual folds (20, 20') and this fine ruching keeps the groups of folds flat (28) against the two adjoining sections (14) of the tape (12). In this way, the folds or pleats are held by no special means out of the way of any other fitments used for hanging the curtains.
Patent DE-2512966-A1 (DE)
Title: Ski chair drag etc. lift drive - has drive pulley coupled to main shaft releasably coupled to hollow drive shaft
Inventor: WOPFNER FRANZ
IPC: B61B12/10
Filed: 1975-03-24
Abstract: The cable suspended transport device has a drive mechanism with drive pulley carried on a frame from which the lower end of the main shaft projects, which end is releasably coupled to the drive pulley. The main shaft is carried in the hollow drive shaft which itself is carried in the housing. The main shaft is releasably coupled to the hollow shaft by a chuck or similar coupling. The hollow shaft is connected with the drive mechanism by means of an annular flange secured to a corresponding flange of a spur gear wheel by means of bolts, the spur gear being driven by a pinion.