baber/WOPTO huggingface dataset:
Patent DE-2448714-A1 (DE)
Title: Vacuum furnace for heating prodn. objects - using two vacuum chambers operated at different vacuum-hardness
Inventor: GRAY ROBERT ARNOLD
IPC: F27B5/04
Filed: 1974-10-12
Abstract: Process for the treatment of prodn. objects arranged in a chamber (I) which is connected by an opening to a chamber (II) which is continuously evacuated by a vacuum source to obtain a pressure (II) of 10 mu to 6700 mu in chamber (II); a compressed gas, which may be functional or inert, is continuously fed into chamber (I) so its pressure is always higher than pressure (II) and at a value of 100-10,000 mu so the gas flows continuously into chamber (II), and the flow of gas maintains the pressures (I, II). The pref. ratio I:II is between 1.5:1 and 20:1, and the pref. flow of compressed gas is 3-300 1/h, esp. using N2, Ar, O2, H2, air or hydrocarbon gases. The opening between the chambers may be variable and the objects are pref. heated up to 3000 degrees C. Used e.g. for heating steel or iron castings for degassing and removal of surface oxide prior to glazing; brazing Al without flux; soldering or brazing OFHC copper; brazing of titanium; heat-treating steels.
Patent DE-2452576-A1 (DE)
Title: Vehicle wheel heavy duty spanner - has actuating lever on supporting bearing linked to lever with socket
Inventor: LACHOTTA ERICH
IPC: B25B17/02
Filed: 1974-11-06
Abstract: The spanner is particularly for freeing tight nuts on the road wheels of motor vehicles, and has an actuating lever (1) on the end of which is a supporting bearing (4, 10) fitting over one of the wheel nuts, also a second lever (2) with a socket spanner (4') fitting on the nut to be released. A link (3) connects the free end of the second lever with the actuating lever at a point near the supporting bearing. The length of the second lever and/or of the link can be adjustable, and the actuating lever can be equipped with several different coupling points (5, 5') for the link.
Patent DE-2454504-A1 (DE)
Title: Plastic castor for furniture - with interlocking half shells clipped together on either side of housing bore
Inventor: FRIZ ALBRECHT
IPC: B60B33/00
Filed: 1974-11-16
Abstract: A simple, economic and light furniture castor is made from three plastic mouldings, including the support housing (1). The castor wheel itself is made from two half shells (2, 3) with one shell having a solid axle stub (8) moulded to it to fit into a hollow axle stub (9) moulded to the other shell. The outer diameter of the hollow axle stub fits into the bearing hole (11) in the moulded housing to form the castor. The inner axle stub is secured in the hollow stub by simple adhesive. The housing is provided with a moulded shaft to fit the castor swivel shaft. The whole system can be mass produced with simple jigs.
Patent DE-2454895-A1 (DE)
Title: Starter for fluorescent lamps - uses cathode preheating and synchronises their ignition with the mains voltage frequency
Inventor: MASTNER JIRI DR ING
IPC: H05B41/04
Filed: 1974-11-20
Abstract: The ignition process is started by sudden interruption of a current in a circuit containing cathode filaments and an inductance. It comprises a control unit connected to the mains, with a rectifier (8) and a flip-flop (9) with at least two transistors, set by the rectifier output voltage. Its output controls a relay (6) whose make contact (7) makes or breaks the heating current flowing through the inductance and cathode filaments. A timer (10) determines the preheating time by the flip-flop (9) resetting. A synchronisation device (11) controlled by the mains acts directly on the timer (10) and ensures that the current is interrupted at about its maximum.
Patent DE-2458054-A1 (DE)
Title: Overhead recharging conductors for battery vehicle - array of contact strips and wide pick up for simple alignment
IPC: B60K1/04
Filed: 1974-12-07
Abstract: A charging station for a battery powered vehicle (1) has a height adjustable boom (4) suspended above the vehicle stopping place. An adjustable pantograph/wiper (3) on the vehicle is raised to contact the boom. The wiper is as wide as the vehicle while the boom is fitted with an array of parallel contact strips. As the vehicle approaches the station contact is made, even before the vehicle has stopped. The wide geometry of the wiper and boom ensure good contact without special vehicle alignment. The boom and wiper switch on the recharging sequence with the contact maintained even when the vehicle moves away from the station, ensuring maximum recharging time, while initial acceleration is provided by power through the wiper, rather than from the battery. This extends the range of the vehicle between recharging stations.
Patent DE-2458522-A1 (DE)
Title: Mfr of walls for foam insulated appliances or casings - by post-shapeing wall in mould by pressure and temp. of setting foam
IPC: B29C44/16
Filed: 1974-12-11
Abstract: Mfr. of outer or inner walls (partitions) of appliances or casings with foam insulation comprises post-deforming the wall in the mould by pressure and temp. of the setting foam. Used in mfr. of outer jackets for hot water tanks, but also in mfr. of thermally insulated components e.G., refrigerator doors. Applicn. of mechanised prodn. methods is possible. The inner component of the tank i.e., the actual hot-water container can be easily exchanged if replacement is required. The walls comprise extruded, pre-foamed or otherwise pre-shaped plastics components. The walls of the foaming mould may have embossments according to which the plastics components are shaped. As the foam sets, the mould may be heated and/or the spaces between the plastics components which are to be post-shaped, and the mould, are subjected to reduced pressure.
Patent DE-2459947-A1 (DE)
Title: Wedge action mechanism for transmitting movement - has rolling element between driving and driven members
Inventor: GREY JOHN CONSTANTINE
IPC: F16D55/14
Filed: 1974-12-18
Abstract: Mechanism for transmitting movement between two members has at least one rolling element arranged between the members so that movement by the driving member involves rolling of the rolling element on at least one of the members. E.g. two rollers (3, 4) may be in peripheral engagement with one another and with a flat face (5) of a driving member while two driven members have flat faces (6) engaging the rollers at mutually remote parts of their peripheries and at acute angles to the driving face. Movement of latter causes the driven member to spread as by a wedge action while the rollers roll on one another and on the driven faces.
Patent DE-2460575-A1 (DE)
Title: Pneumatic brakes with anti blocking control - has pneumatic spring loaded valve for rapid reapplication of brakes
Inventor: HUBER JOHANN
IPC: B60T8/46
Filed: 1974-12-20
Abstract: The pneumatic brakes, for trains or similar heavy vehicles, have their brake pressure modulated w.r.t. the output of an antiblocking control. The control valve between the system and the air pressure reservoir is provided by a spring loaded piston between two pressure levels. The piston operates purely pneumatically to provide a rapid re-application of the brakes after venting, without requiring a separate electric supply for an electro-magnetic valve. This is achieved by a spring piston arrangement which carries a second smaller spring piston which moves to inlet air at a lower pressure.
Patent DE-2460867-A1 (DE)
Title: Concreting formwork element interconnecting peripheral strip - with elongated-headed bolt locking into hole in adjacent element's strip
Inventor: EGER FRIEDRICH
IPC: E04G17/04
Filed: 1974-12-21
Abstract: Concreting formwork sheathing element (1) is connected to other similar elements for large surface construction, where concrete components are to be made for houses, bridges, underground shafts, and other structures, and it comprises a sheathing surface and a peripheral strip at an angle to fit flush to the corresponding strip on the next element (1a). The edge strip (3) is fitted with turning locks, with a movable bolt (9) mounted rotatably and axially vertical to it, with an elongated head (11). The bolt can be pushed through a matching aperture (8a) in the adjacent edge strip (3a) and twisted with its head to engage behind this strip so that the two edge strips (3, 3a) are pressed together when the bolt is drawn back. No additional screws and nuts, or other fixing elements, are needed.
Patent DE-2503068-A1 (DE)
Title: Mat for improving vehicle traction on difficult terrain - consists of wire rope net with support plates and nodal points
Inventor: BOLLIGER REINHOLD
IPC: E01C9/08
Filed: 1975-01-25
Abstract: These mats are used for rapidly creating a roadway for civil or military vehicles on difficult terrain. The mat consists of a net or wire or fibre ropes with support plates at nodal points. Such mats are very flexible and the ropes can be bent or pulled and they are still reusable owing to their flexibility. The support plate consists of two equal square halves (1) made of plastics. They have an inwards turned edge flange (2) along which is arranged on each side a rectangular cross section fixing pins (3) and a rectangular hole (4). Both halves are connected by the pins in the associated hole so that both halves are connected securely to each other. However, these hales can be separated. A cruciform clamp (8) in the plate ensures contact with the ropes crossing within the plates.
Patent DE-2512196-A1 (DE)
Title: Throat-microphone intercom for motorcyclist and passenger - has transceiver unit fixed to chin strap of crash helmet
Inventor: NIESS HANS
IPC: H04B3/02
Filed: 1975-03-20
Abstract: The throat-microphone intercomm., for a motorcyclist and passenger, has transceiver units fixed to the chin straps of both crash helmets. The throat microphone is situated on the inside of the strap, while the loudspeaker is inside the crash-helmet near the wearer's ear. The whole system is supplied from two 9V batteries - one for the driver and one for the passenger - and the two transceivers are connected by a five-wire cable. The circuitry makes most use of integrated circuits and discrete components are packed closely onto small pc boards. The pushbuttons for controlling the intercom are also mounted on the chin strap.
Patent DE-2514830-A1 (DE)
Title: Utilisation of used tyres - eg. to produce cylindrical containers or planar network
Inventor: EBERWEIN HANS FRIEDRICH
IPC: B29B17/00
Filed: 1975-04-04
Abstract: Utilisation of used pneumatic vehicle tyres, by arranging a series of tyres next to one another and bonding them together, partic on a coaxial series to form a tubular body, the tyres being joined together by adhesive, vulcanising or mechanical.
Patent DE-2515624-A1 (DE)
Title: Covered top wall or ceiling cladding boards invisible fixture - with tongued-grooved lower boards and top battens of same thickness
Inventor: MUELLER KARLHANS
IPC: E04F13/10
Filed: 1975-04-10
Abstract: The fixture system is esp designed for application to the top covered boards of the cladding on an interior ceiling or wall, pref. assembled from wooden boards where boards overlap and the fixing media are invisible. The lower boards (2, 3), fixed to the ceiling or wall by means of clamps (8), have a tongue and groove along their longitudinal edges(4, 5), which are covered, are fitted with fixing battens (9, 10) on the inside, in the area of their longitudinal edges, one of these having a groove (12), and the other a tongue (11). The batten (10) which has the groove, at least, is of the same thickness as the lower tongued-and-grooved boards. In a simple and reliable fixing system, the fixing battens are invisible from outside.
Patent DE-2517118-A1 (DE)
Title: Supply unit for DC load - is designed to draw from current single or polyphase mains and produces current which is free from harmonics
Inventor: DEPENBROCK MANFRED PROF DIPL I
IPC: H02M1/12
Filed: 1975-04-18
Abstract: The current produced is in phase with the mains voltage, and the device has a full-wave rectifier, a smoothing circuit, an SC controller and a filter tuned to twice the main frequency. The energy is fed through a transformer, and the smoothing circuit is a choke ignition and extinguishing pulses are controlled in accordance with the device test values. The full-wave rectifier is a bridge, and the device consists of at least two parts. The number of transformer secondary windings (1a, 1b) corresponds to that of the device parts (5a, 5b) each secondary winding first terminal is connected to a first a.c. terminal in each device part, while the winding second terminal is connected with each device part second a.c. terminal directly and/or through a choke part (2a, 2b) of the smoothing circuit.
Patent DE-2517948-A1 (DE)
Title: Rail testing attachment for wagon - uses pre-tensioned telescopic legs between testing frame and body
Inventor: HOFER FRANZ
IPC: B61D15/12
Filed: 1975-04-23
Abstract: The rail testing trolley has a testing frame, journalled but transversely displaceable on the trolley body, and tracked by at least one wheel set. Pretensioned telescopic legs (20, 22) inclined towards each other, are positioned between the trolley body (4) and the testing frame (10) in pairs, in a V-shape, with, in the central position of the testing frame, opposite horizontal pressure force component of the same size. The divergent ends of the springs are hinged to the trolley body, and the spring pre-tension is adjustable. Two opposite acting steerages are hinged with their opposite ends to the body, to guide the testing frame on the body without free play. The facing steerage ends are connected via a compensation lever, hinged centrally to the testing frame.
Patent DE-2535767-A1 (DE)
Title: Transfer device moving metal compacts from sintering furnace - to second furnace prior to hot forging
Inventor: ASARI AKIRA
IPC: F27B9/38
Filed: 1975-08-11
Abstract: A reciprocating clamp moves in an air-lock duct between the chambers. The clamp is fitted on two bars driven along the duct by a main driving unit, whereas a second drive unit opens and closes the clamping arms. The result is that parts can be picked up in the first chamber of the furnace and then released in the second chamber. Several alternate mechanical devices may be used for the second drive unit, including a work cylinder, whereas the main driving unit is pref. a work cylinder.
Patent DE-2541321-A1 (DE)
Title: Elapsed distance recording instrument for motor vehicles - has frequency divider controlled by switching stage with settings corresp. to different rim sizes
Inventor: LEHMANN ULRICH
IPC: G01C22/02
Filed: 1975-09-17
Abstract: An elapsed distance display device for powered vehicles is designed for easy adjustment for different wheel rim sizes without mechanical adjustment. When elapsed distance indication depends on recording the number of wheel revolutions, variation in rim size necessitates a system gain change. The present present arrangement avoids this gear changing. The elapsed distance device (2) receives an input (6) from a speed and distance indicator (1) to its frequency divider (3). The frequency divider is also controlled by a switching stage (4) with settings corresp. to different rim sizes. The divider (3) output (8) is connected to an electromechanical or electronic counter (5) which records the distance covered.
Patent DE-2541948-A1 (DE)
Title: Hydrated ferric oxide needle crystals - obtd. by air oxidn. of soln. contg. ferrous and ammonium salts.
Inventor: OTSUKI TATSUKIYO
IPC: G11B5/706
Filed: 1975-09-19
Abstract: prepd. by addn. to an Fe(II) salt soln. of an NH4 salt so that the NH4+ concn. in the mixed soln. is at least 30 g/litre. The mixt. is then partially neutralised with NH3 and oxidised with air so that a liq. contg. crystalline nuclei is obtd. An Fe(II) salt soln. is then added continuously to the seeded liq. which is simultaneously kept at pH 4.0-6.5 by addn. of NH3 and air oxidised. Prod. is useful as yellow pigment or as raw material for magnetic prods. alpha-Hydrated Fe2O3 for the above uses must be in the form of needle crystals of suitable and uniform dimensions. Previous processes did not give the required particle size of uniformity and suitable crystals had to be prepd., sepd. and used for seeding which involved complex processes. The invention enables all these problems to be avoided and provides a simple, continuous process.
Patent DE-2543760-A1 (DE)
Title: Sailing boat with electric auxiliary drive - has sets of batteries which replace ballast in keel without altering profile
Inventor: KRUMEICH PETER DIPL ING
IPC: B63B43/04
Filed: 1975-10-01
Abstract: The sailing boat is fitted with auxiliary electric drive whose power is taken from batteries mounted on the keel. The batteries (16, 18) are shaped to fit inside the keel without altering the keep profile. They replace the ballast and thus do not add to the weight of the hull. The system allows the boats to use power in pollution controlled waters, where conventional power is banned, e.g. on reservoirs. The keel housing is designed with access to the batteries either from on top or through water-tight hatches underneath.
Patent DE-2546064-A1 (DE)
Title: (1)-Benzyl-(1,2,4)-triazole derivs. - with antimycotic activity
Inventor: STREHLKE PETER DR
IPC: C07D249/08
Filed: 1975-10-10
Abstract: New cpds. are of formula (I) (where R1 is H, 1-6C alkyl, or phenyl opt. substd. by halogen, 1-6C alkyl, 1-6C alkoxy or NO2; R2 and R3 are H, 1-10C alkyl, 1-6C alkoxy, 1-6C alkylthio, halogen or NO2, or together form a naphthalene ring with the benzene ring; R4 is 1-6C alkyl, 3-6C alkenyl or alkynyl, or a phenyl or 7-10C phenylalkyl opt. ring substd. by halogen, NO2, CF3 or 1-6C alkyl or alkoxy; and X is O, S or NH). (I) and their acid addn. salts have antimycotic activity against pathogenic yeasts and fungi, e.g. Candida albicans, Aspergillus niger, Trichophyton spp., Microsporon gypseum, Penicillium notatum and Sporotrichum schenkii. In an example, 2,4-dichlorbenzyl 2- 1-(1,2,4-triazol-1-yl)butyl phenyl ether is prepd. from 1- 2-(2,4-dichlorobenzyloxy)phenyl butanol and 1,2,4-triazole.
Patent DE-2553977-A1 (DE)
Title: Portable power unit for glider - has unit mounted on pylon on wing roots and secured by straps for dismantling when transported
Inventor: DIRKS WILHELM DIPL ING
IPC: B64C31/024
Filed: 1975-12-01
Abstract: The portable power unit for a glider has the (streamlined) engine nacelle (5) mounted on an inverted-Y shaped pylon (4) also streamlined, whose feet rest on the wing roots (3). Straps (10) with bolts and nuts (11) at the rear secure the assembly to the glider. Shaped inserts can be fitted between the pylon feet and the wing to permit use of the assembly, without modification, on gliders with differing wing shapes. A fuel tank (7) and room for stowage (8) e.g. of a batter - is provided in the pylon. The nose cone (9) of the engine nacelle can also be used to store fuel. To facilitate transportation, e.g. to a glider inadvertently in a situation where own power for takeoff is desirable - the unit can be made up of a number of sections, conventionally joined together.
Patent DE-2554050-A1 (DE)
Title: Auxiliary film spool system for projector - has initial and secondary rotational moments applied to film spools to overcome initial inertia
Inventor: CLAASSEN ERNST
IPC: G03B21/43
Filed: 1975-12-02
Abstract: An auxiliary feed and take-up film spool mounting has a support frame (13). Both film spools (14, 15) may have an initial rotational moment applied to them through a drive. This force is sufficient, even with a very small dia. of ready-wound film, to overcome the retention force exerted on the film (5) through the cine film feed machine (1-4). The feed spool (15) has a second rotational moment operating on it which is several times larger than the initial moment.
Patent DE-2554740-A1 (DE)
Title: Ring stack buffer sleeve - lies buckle-free on guideway with minimal support on one ring
Inventor: BAUER KARL-HEINZ
IPC: F16F1/40
Filed: 1975-12-05
Abstract: The buffer comprises alternate metal ring plates and resilient spacers, and has located concentrically, at mid-length, on one projecting ring, reducing friction, wear and noise. Slight conical dishing maintains axiality. A sleeve fits on a centre spindle or within an outer protective cylinder, with end location. Dished metal rings bond with flexible rings (3, 4). A thicker mid-pack metal ring's (9) bore has a wear resistant coating (10), fitting on an internal spindle (8). The outside diameter is coated for external seating. Spigots (5, 6) hold the sleeve's ends. Rings may be axially dished in packs, in either direction.
Patent DE-2603926-A1 (DE)
Title: Puff pastry tart prodn. - by filling pastry case with peas and baking
Inventor: ROHWER WILHELM
IPC: A21D8/06
Filed: 1976-02-03
Abstract: Prodn. is simplified by filling baking case with suitable material before baking.
Patent DE-2607994-A1 (DE)
Title: Code word detector system - continuously compares moving register contents with reference word to detect code word in binary sequence
Inventor: ALDINGER MICHAEL DIPL PHYS
IPC: G06F7/02
Filed: 1976-02-27
Abstract: The code work detector detects code word in given binary sequence by storing the incoming binary sequence in an n-stage shift register, where n is the number of bits in the code word. It operates by continuously comparing this register contents as they move along the registers with a reference code word. After each clock pulse derived from the incoming binary sequence the incoming sequence is disconnected from the shift register input and the register input is connected to its output and finally the register is moved on by a second clocking signal having a frequency n-times higher than the other clock frequency.
Patent DE-2608158-A1 (DE)
Title: Insulation cutting contact - is made of two pieces of springy metal slightly bowed apart to separate cut ends of insulation
Inventor: STURM HERMANN
IPC: H01R12/67
Filed: 1976-02-27
Abstract: The contact system provides a connection for electric wire or cable without the use of solder. The contact is designed to cut through the insulation on the cable and makes good contact with the central conductor wires. The contactor is made from two identical or similar form shaped pieces of springy metal. The inside surfaces of the prongs of the form cut through the insulation as the contactor is driven onto the cable at right angles to its axis. The two pieces of metal are bowed apart at the centre portion of the two prongs and have a region with curved surfaces in which the conductor comes to rest.
Patent DE-2614549-A1 (DE)
Title: Control system ensuring clamping chuck correct closing - has sensors detecting clamping and releasing movements of clamping piston
Inventor: DORP HEINZ VOM ING GRAD
IPC: B23B31/177
Filed: 1976-04-03
Abstract: The control device for clamping chuck ensures that a workpiece intended to be clamped is in fact clamped. The chuck actuating cylinder has arrangement for controlling several positions of the clamping piston of this cylinder, and is designed for reliable clamping of the workpiece. The positions of the piston (6) of the clamping cylinder are monitored together with cylinder pressure to sense the reaching of clamping position. A control signal is generated when the clamping position is reached and when the other piston position is not reached. The clamping position is sensed after piston has covered half the full travel.