baber/WOPTO huggingface dataset:
Patent DE-2533039-A1 (DE)
Title: Optical fibre with low attenuation for data transmission - where core of fibre is doped with lithium oxide
Inventor: DAKIN JOHN PHILIP DR
IPC: G02B6/02
Filed: 1975-07-24
Abstract: The sleeve consists of pure silica, SiO2, whereas the core consists of silica contg. by wt. max. 5% lithium oxide Li2O. The fibre is suitable for broad band data transmission in the near infrared region with low attenuation below 20 dB/kilometre. The use of lithium as a dopant makes the fibre less susceptible to impurities such as iron which might otherwise increase the attenuation in optical transmission cables.
Patent DE-2538433-A1 (DE)
Title: Double walled gas bottle - has outer wall of reinforced plastics and two piece contoured neck
Inventor: GREBE KARL
IPC: F17C1/16
Filed: 1975-08-29
Abstract: A gas bottle with an internal container (2) of cylindrical central section, and two coaxially attached pole pieces (4) on the base of the inner container, with an outer casing (8) of glass fibre reinforced plastics, is constructed such that the inner container neck, inner contour of the pole pieces and the outer contour of the attachment piece (3) conically narrow towards the exterior. The inner contour of the pole pieces and outer contour of the attachment piece in the prolongation of the conical section are of cylindrical form. In this region, the two pieces are joined together by using a screw thread (5).
Patent DE-2538747-A1 (DE)
Title: Applicator device for transfer of decorative strip - has storage reel and binder dispensing applicator roller combined
Inventor: ALM MAJ
IPC: B05C17/02
Filed: 1975-08-30
Abstract: The device for application of a thin decorative strip onto a flat or uneven wall type surface, is constructed such that the strip (10) is fed from a storage or supply roll (8) over a painting or applicator roller (7). This is soaked or saturated in a thick or fluid binder material. The applicator roller (7) is used to apply the binder soaked material strip (10) to the wall surface (15) in a rotating action. Both the applicator roller (7) and the storage roller (8) are mounted as arms on the main shaft of the device.
Patent DE-2539278-A1 (DE)
Title: Twin track transporter for heavy plant equipment - is self propelled by twin hydraulic motors for slow control under load
Inventor: RIXEN WERNER DR ING
IPC: B62D11/18
Filed: 1975-09-04
Abstract: A self propelled twin track transporter with a low profile is propelled by two hydraulic motors (13, 14). It is driven under a prepared lifting platform (8) of the fixed plate equipment to lift the platform using vertical rams (6). The equipment can then be moved to another site. The transporter uses both hydraulic motors in parallel for travelling under load. The single hydraulic pump supplies both motors with half the fluid each so that a fine torque adjustment, at creeping speeds, is achieved. When travelling light only one motor is used, to provide twice the track speed. This reduces the transfer time between pieces of equipment. The transporter can be used on all types of fixed plant including conveyor systems.
Patent DE-2540566-A1 (DE)
Title: Cold forming tool for recessing screw heads - uses sliding punch pin with tip shaped to produce required cross shape
Inventor: FLODIN RODMAN C
IPC: B21K1/46
Filed: 1975-09-11
Abstract: A cold forming tool (60) for forming a recess in the head of a screw has a tip (68) shaped to make a cross shaped recess. This tool slides in a holder (30) and consists of shaft (62) and an enlarged diameter part (64). The holder itself slides in a body (16) containing a piston (40) and fitted with a bushing (32). The holder (30) slides in the bushing against the force of spring (46) and has an arresting pin (34) worki ng in conjunction with a flattened part (36) of the holder (30) to keep the holder from being pushed out from the bushing. The rear face (48) of the holder (3) comes to rest against the corresponding face of the impact block (42) when the tool is pressed home on the screw head.
Patent DE-2547320-A1 (DE)
Title: Rectangular section broaching tool - has elongate tool assembled from several longitudinal segments bolted together by guide rails
Inventor: ARTMANN HELMUT
IPC: B23D43/04
Filed: 1975-10-22
Abstract: The internal broaching tool with a polygonal cross-section, esp. a rectangular cross-section has teth on at least one surface and a guide rail on another surface. A draw bar is fixed on one end of the broach. The broach is assembled from several longitudinal segments and end shafts held together by at least one guide rail fixed to the segments by bolts or studs. The guide rails are pref. a shrink fit in longitudinal grooves provided in the segments. Each guide rail may consist of several sections bolted onto the segments. This avoids distortion on hardening. Each segments (2a) has a longitudinal groove in which two guide rails (6) are a press fit. Countersunk screws (10) bolt the two rails together and also used to locate the draw bar (4).
Patent DE-2548945-A1 (DE)
Title: Austenitic alloy for sheathing of electric heating tube - contains silicon to prevent oxide-darkening during processing (OE150276)
Inventor: BLECKMANN RICHARD ING DR
IPC: C22C38/40
Filed: 1975-10-31
Abstract: The austenitic alloy, for the outer sheating of an electrical heating tube, contains 16-25% Cr, 8-80% pref. 45% Ni and Fe, and a low carbon content. The alloy is protected against darkening in colour by adding 1-4% Si and heating to 700 degrees C in a steam atmos. i.e. the oxide layer does not differ essentially from the metal. The amount of unstabilised carbon in the alloy is 0.06%. Alternatively, it is alloyed with Ti or otherwise stabilised. The sheathing is polished by an electrolytic process.
Patent DE-2553163-A1 (DE)
Title: Remotely operated valve for cryogenic material - has sealing bellows to keep liq. gas separate from working mechanism
Inventor: JACOBS GERD
IPC: F17C13/04
Filed: 1975-11-27
Abstract: The valve incorporates an insulating cover for the cryogenic fluid e.g. liquid hydrogen or helium. Operation of the valve does not lead to the fluid being heated up. The valve housing surrounds a pressure chamber and the operating piston has an end face that operates the valve plate. A bellows seals off the fluid from the centre of the housing. the pressure chamber has a pneumatic connection through the insulating cover to a pressure source. When there is no pressure in the chamber, the valve plate is held by a return spring.
Patent DE-2554472-A1 (DE)
Title: Air choke with cable coil - uses cable with rectangular cross section and resin filled cavities
Inventor: BAIER MANFRED
IPC: H01F27/32
Filed: 1975-12-04
Abstract: The choke is intended for short circuit limiting or for smoothing purposes. For this reason the coil has to withstand high mechanical and thermal loads. The coil is, therefore, wound from a stranded cable of rectangular, preferably quadratic, cross section. The cavities between the individual cable wires are filled with resin. Typically the stranded cable is made of wires of an aluminium-manganese-silicon alloy. Alternately pure aluminium may be used. The stranded cable has typically a glass fibre strip insulation with mica.
Patent DE-2604619-A1 (DE)
Title: Recovering solvent from spent filters in dry cleaning plants - using heater to vapourise solvent which is then passed into condenser after passing through filter
Inventor: SMITH ROBERT GENE
IPC: B01D53/04
Filed: 1976-02-06
Abstract: The dry cleaning solvent recovery system includes a heater which is used to superheat the solvent transforming it into vapour which is then passed through the spent filters to flush out the solvent content. Subsequently the removed solvent passes via suitable piping into a condenser for recovery. Pref. the whole recovery system is sealed off from the outer atmos. The method is relatively simple and straightforward and typically a saving of approx. 300 US dollars can be made annually from an average sized dry cleaning establishment.
Patent DE-2607328-A1 (DE)
Title: Four wire monitor and control for railway points - has three phase motor drive position indicated by current sensing relay circuit
Inventor: BROSZINSKI HANS-JUERGEN DIPL I
IPC: B61L5/06
Filed: 1976-02-23
Abstract: The four-wire monitor and control system for three-phase drives on railway points installations provides both power supply to the drive motors and supervisory signaling by using only a four-wire connection between points and control centre. DC power supply for the monitor relay and points drive repeater relay is provided by a rectifier coupled via a transformer to a separate AC supply. Two further secondary windings of the same transformer are in series with the neutral line and one of the phases of the three-phase supply to the motor drive. The drive is fitted with limit switches so that when the points reach the correct operating position the currents in the transformer secondaries are in antiphase, causing the repeater relay to drop out.
Patent DE-2621686-A1 (DE)
Title: High speed electrosensitive printer with printing comb - has two electrical symbol value stores operable alternately in input and printing states
Inventor: UNBEHAUN RUEDIGER
IPC: B41J2/425
Filed: 1976-05-15
Abstract: High speed electrostatic printer has an immovable printing comb whose length corresponds to that of a line and under which moves a printing carrier transverse to the line direction. The comb prints the symbols of a line simultaneously. An electronic store is used to receive the electrical symbol values for the subsequent line in the time taken to produce the line space which lies before this forthcoming line. A second store receives electrical symbol values during the printing of a line. Both stores are operable alternately in the printing or input condition. The pause times between the lines can be controlled in relation to the data flow.
Patent DE-2622821-A1 (DE)
Title: Cassette locking mechanism for tape recorder - has plate engaging operating lever of cassette pocket when head engages cassette
Inventor: WACHS WALTER
IPC: G11B15/10
Filed: 1976-05-21
Abstract: Cassette locking and release mechanism for a cassette tape recorder lock by moving a plate into engagement with the operating lever of the cassette pocket (4). A magnetic head is positioned on a magnetic head slide and is applied to the cassette when the latter is locked. An intermediate slider (9) is arranged parallel to and is connected to the magnetic head slide (12). It is connected to the magnetic head slide (12) horizontally and form-locked and can be displaced in a vertical direction against spring force (10) via a release key (5). A control lever (25) is arranged on the cassette pocket (4), which supports the intermediate slide (9) when the cassette is swung out.
Patent DE-2624926-A1 (DE)
Title: Solar cell system directly producing electric energy - has several photocells on common chip and connected in series, with terminals at series ends
Inventor: BIGGEL EMIL
IPC: H01L31/0475
Filed: 1976-06-03
Abstract: The system has a number of semiconductor photocells produced on a common semiconductor chip (10) at specified limited zones (10a, 10b...10n) separated by intermediate zones (11) and insulated from each other. At least one passage (12) is provided in the intermediate zones (11), through which a connection is made between the top side of one zone (10n-1) and the bottom side of an adjacent zone (10n). Terminals (15, 16) for the electric energy collection are provided at specified zones (10a, 10n) in accordance with the voltage to be collected.
Patent DE-2627902-A1 (DE)
Title: Box structure for supporting vehicle steering gear - has internal tube connecting opposite walls of box and welded in position
Inventor: FUNDUS HERMANN
IPC: E04C3/04
Filed: 1976-06-22
Abstract: The box structure esp. for motor vehicle body is reinforced internally by a rectangular section tube extending between and welded to opposite sides of the box. The tube is intended to support bolts for securing a highly loaded mechanism e.g. a steering gear. The reinforcement may comprises two such tubes interconnected to provide an H-shaped configuration. The tubes themselves may be reinforced at the bolt holes by angle sections welded to the tubes. The box is initially of U-section to which a cover plate is welded after welding of the tubes.
Patent DE-2637164-A1 (DE)
Title: Conical mirror for illumination of clock face - concentrates light onto rear of each transparent dial marking
Inventor: BOEHM HANS-GEORG DR
IPC: G04B19/30
Filed: 1976-08-18
Abstract: The conical mirror (7), for illuminating the dial markings (5) around a clock face (1), receives incident light, falling on the mirror (7) from behind the clock, and concentrates the light onto the rear of each transparent dial marking (5). The conical mirror (7) may be in the form of a ring concentric with the clock face, or it may be formed by a silvered annular ridge in the surface of a transparent plate behind the watch face. The battery and drive circuit for the clock may be contained in a support base, with the clock face (1) being adjustable on the base for optional illumination of the dial markings (5).
Patent DE-2641483-A1 (DE)
Title: Semiconductor element thermal monitoring system - uses inbuilt thermocouple which provides signals for thermal control circuit
Inventor: HERMANN HANS-WERNER ING GRAD
IPC: H01L23/051
Filed: 1976-09-15
Abstract: A method is used for monitoring the temp. of a semiconductor element such as a thyristor by means of a thermocouple built into the chassis of the element and in good thermal contrast with the element. The signals produced by the thermocouple may be used for controlling the current to the thyristor, or otherwise controlling the temp. of the element. A semiconductor element (1) so mounted in a chassis unit between two metallic contacts (2, 3). In good thermal contact with the element (1) is a thermocouple transducer (8) fed by contact leads and terminals (7, 9) through suitable grooves (2a) in one of the metallic contacts (2). The thermocouple (8) consists of two different metal elements (8a, 8b) welded together and contained in an insulating capsule (10). It is held under pressure against the semiconductor element (1) so that good thermal contact is maintained.
Patent DE-2642951-A1 (DE)
Title: Optional function data processing system - with unique operation involving multiple channel precessing with fixed time relationships
Inventor: SIMMAT SIEGFRIED DIPL ING
IPC: G06F17/00
Filed: 1976-09-24
Abstract: The data processing system for fulfilling optional functions operates differently from all other systems. To produce a computing unit, the processing technique involves a number of related infinite series calculations running in time synchronisation in a number of unique regions or fields in data time units. The difference in the ratios of unique data bits in the different unique regions or fields tends to nill. The technique does not involve inputting of infinite series formulae into data processing networks but a multiple channel system of related processing units in a mixed time relationship.
Patent DE-2643361-A1 (DE)
Title: Automatic testing system for smooth surfaces - has limited surface field illuminated by imaging illuminated diaphragm onto surface
Inventor: SCHIEF ALFRED DIPL PHYS DR
IPC: G01N21/89
Filed: 1976-09-25
Abstract: The light reflected by the surface according to the law of reflection does not fall into the observation optical system, but is absorbed by a light trap. The light-scattering structures within the illuminated field of the surface are imaged by means of an observation optical system and the resultant contrasting image of the surface is decoded by conventional optoelectrical methods. Several illuminating beam paths (1, 2, 3, 4) illuminate the same field of the surface at different azimuth and height angles. The surface image is converted into electrical signals and faulty points are detected by a threshold discriminator.
Patent DE-2647279-A1 (DE)
Title: Roller shutter raising mechanism - comprises continuous cord activated by driving wheel with non-slip surface
Inventor: HARDT WALTER
IPC: E06B9/78
Filed: 1976-10-20
Abstract: The raising mechanism for a roller shutter comprises a drive-wheel activated by a cord and acting on the shutter roller spindle. The cord (2) is a continuous one and the drive-wheel (6) surface is in a non-slip form, pref. with a rubber-type coating. A brake (11) can be fitted, to act on the drive-wheel when the cord is released; and there may be one or more pressure rollers (7) to press the cord against the wheel, pref. on swivelling mountings and pressing firmly on the wheel as tension on the cord increases. A smooth curved shoe, shaped to match the drive-wheel may be fitted instead of pressure rollers. Construction is simplified, and is suitable for prefabricated houses with thin walls.
Patent DE-2648398-A1 (DE)
Title: Optically-stimulating carbocyanine dye solns. - with laser emission of continuous wave signal pumping lasers, for use in near IR spectral range
Inventor: ROMANEK KLAUS M
IPC: H01S3/213
Filed: 1976-10-26
Abstract: Carbocyanine dyestuffs are used at 10-6 - 10-1 mole/l as stimulatable medium in optically excited continuous wave signal colour lasers with unrestricted flowing agent stream. Their optical stimulation is achieved by using the laser emission of continuous wave signal pumping lasers e.g. Kr ion-, Nd YAG lasers and other colour lasers. Coherent laser emission can be achieved in a continuous wave signal in near infrared spectral range. Use of different carbocyanine dyes and of different wave-lengths of continuous wave signal pumping laser, allows coverage of total near infrared range up to wave lengths >1 mu.
Patent DE-2651146-A1 (DE)
Title: Conductive insert for safety shoes with antistatic soles - has three interconnected layers beneath ball of foot encasing turned-in edges
Inventor: FUNCK HERBERT DR ING
IPC: A43B7/36
Filed: 1976-11-09
Abstract: The conductive insert for anti-static shoes, esp. safety shoes made by the Mc-Kay process, comprises three parts (2, 4,6) connected together in one piece wherein the top part (2) has studs (3) which project through bores (7) in the welt (5). The middle part (4) of the insert is designed as an elongate flat filler member which fills up the cavity in the sole base which is defined by the turned-in edges (8) and where applicable by a joint (9). The third part (6) is a thin disc which rests on the outer sole (10) and engages beneath the edges (8) and joint (9). This insert is placed in the shoe base just prior to sticking the soles but after the turned-in edges have been roughened and coated with adhesive. The studs of the upper layer are rounded to provide comfortable contact with the foot.
Patent DE-2652807-A1 (DE)
Title: Signal generator augmenting zero voltage intersections - applies AC voltage to differential amplifier and has voltage sensitive resistor in feedback circuit
Inventor: KUEHL WERNER
IPC: H03G7/00
Filed: 1976-11-20
Abstract: The generator has an amplifier for emphasising the zero voltage intersections of an a.c. waveform, and is intended for demodulators for data transmission systems in which the information to be transmitted is contained in the nule points of an a.c. voltage signal. A voltage sensitive resistor is provided in a differential amplifier (V) negative feed-back circuit, so that the amplifier (V) gain increases at low input signal amplitudes, i.e. near the zero intersections. ITs gain is reduced for higher amplitudes, so that its output signal is always in the linear part of the characteristic.
Patent DE-2653400-A1 (DE)
Inventor: KNOSSALLA HEIN
IPC: G21C19/32
Filed: 1976-11-24
Abstract: In nuclear installations, an air lock leads through a containment shell which mostly consists of metal and is supported, just like the air lock, in a concrete building (8). A driveway (16) running through the air lock is attached by means of supports (23) directly to the concrete building (8) and flexible sealing elements (compensators 33, 36) ensure the connection between the supports (23) and the containment shell and/or the air lock. <IMAGE>
Patent DE-2658107-A1 (DE)
Title: Intruder resistant closed roller shutter slat - has stems engaging in grooves to form paired holders in slat overlap area
Inventor: KORGER HEINZ ING GRAD
IPC: E06B9/86
Filed: 1976-12-22
Abstract: The upper side of the roller shutter slat is fitted with a connecting element engaging through a cutout on the underside of the next slat. A pair of securing elements (7, 8) is formed onto every slat, in the area covering part of the next slat. These consist of a groove (7, 8) extending lengthways on the slat, and a stem piece (12) engaging the groove when the slats are arranged with no gaps between them. The connecting element can be a hook-shaped slat (6), with one part of the pair of securing elements fitted in the area defined by the outward facing part of this and by the adjoining section (5') of the slat's sloped upper side.
Patent DE-2701397-A1 (DE)
Title: Travel ticket checking unit - has optical sensors detecting pulse code markings on ticket
Inventor: ROCH WERNER
IPC: G07B11/11
Filed: 1977-01-14
Abstract: The travel ticket checking unit has a number of optical sensors, e.g. reflection light barriers adjacent the insertion slot for the ticket used to detect the code markings on the ticket. The sensors are coupled to a forwards-backwards logic the output of which is used to cause a counter circuit to count backwards towards zero from an initial count value entered via selector keys. A further light barrier scans a further printed ticket marking for automatic correction of the counter and when zero value is reached a printing operation for cancellation of the ticket is initiated, the ticket being clamped in a fixed position during cancellation.
Patent DE-2703004-A1 (DE)
Title: Fire sprinkler system for cold store room - has main supply and branches with gas of different pressures separated by valves
Inventor: MUENCH KLAUS
IPC: A62C35/64
Filed: 1977-01-26
Abstract: The system is partic. for cold store applications where no liq. extinguishing agent must be present in the piping inside the room whilst the system is not in active operation. The main supply pipe as well as the branches are filled with pressurised gas of different pressures. The gas pressure in the supply pipe is maintained from one source and the branches from another source via respective non return valves. If, after outbreak of fire one of the sprinkler heads opens, pressure maintained by the gas drops and non return valves allow the pressure in the supply pipe to drop. The decreased pressure in the supply pipe registers via the line in a chamber of the operating valve. Higher pressure in the main supply end pushes the plunger into the chamber to open the passage of pressurised extinguishing agent into the main supply pipe.
Patent DE-2703697-A1 (DE)
Title: Measuring cartridge lowered into melt, esp. molten steel - thermocouple controlling immersion depth of cartridge
Inventor: SCHUSTER ALOIS
IPC: G01K1/14
Filed: 1977-01-29
Abstract: Appts. for controlling the immersion depth of a measuring cartridge entering a melt, comprises a height sensor which detects the passage of the cartridge through the surface of the melt, and emits a signal restricting the further downward travel of the cartridge to a specific depth. The sensor includes a thermocouple detecting the sudden increase in temp. when the cartridge meets the melt. The thermocouple is pref. located on the base of the cartridge, which is fixed on the bottom end of a measuring lance; and the sensor emits a signal at an adjustable, pre-selected temp., esp. at min. 300 degrees C when the melt is steel. A limit switch is pref. used to reduce the downward speed of the lance to a slower, constant value, at which the thermocouple enters the melt. The measuring cartridge can always be immersed to a prescribed depth.