baber/WOPTO huggingface dataset:
Patent DE-2606909-A1 (DE)
Title: Linear motion bearing with rolling elements - has twin load runs and support housing for movement along bar of round or flat section
Inventor: BROX DIETER
IPC: F16C29/06
Filed: 1976-02-20
Abstract: The linear motion bearing has ball elements which recirculate between a load-bearing run and a return run. Several such bearings can be embodied in a housing for support of housing for linear motion along round-section bar. Alternatively the bearings can be mounted to run on square or other flat section bar. The bearing has two load runs so arranged that the balls pass from the first load run along a return passage into the second load run, and from the second run through another return passage into the beginning of the first load run.
Patent DE-2609124-A1 (DE)
Title: Setting initiators for calcium sulphate slurries - consist of alkali and/or acid fluorides
Inventor: KYRI HANS DR
IPC: C04B28/14
Filed: 1976-03-05
Abstract: Mixts. of calcium sulphate (anhydrite or gypsum) usual additives and opt. water and/or other filters, contg. 0.3-3 pts. alkali fluoride and/or acid fluoride per 100 pts. CaSO4 as initiator of settling. Used for the mfr. of solid articles or coatings e.g. floor surfaces, by casting, also for the prod. of porous building blocks. No sedimentation of the mixts. occurs over a wide range of solids contents, the CaF2 formed by reaction with CaO present in the CaSO4 acting as a powerful suspending agent. Mfr. of foam products by addn. of foaming surfactant and H2O2 is improved, the fluoride preventing reactiong of CaO and H2O2, and stabilising the foam structure.
Patent DE-2612921-A1 (DE)
Title: Office staple dispenser for securing files - has upper part with hopper and track and lower one with magnets and spring
Inventor: KATTA HARTMUT
IPC: B43M99/00
Filed: 1976-03-26
Abstract: The office staple dispenser is for securing files together using an office stapling machine. It comprises an upper part with storage hopper, alignment devices and discharge track, and a lower one with guide rollers, conveyor belt, feed and application magnets, tension spring, release bar and non-slip coating. The hopper can be tapered inside so that the staples slide onto a surface whose width is the same as that of the feed magnet. The discharge track can have alignment devices of tapering section. These act as adjusting devices vertically and horizontally, so as to strip off excess staples delivered.
Patent DE-2612956-A1 (DE)
Title: Centrifugal governor compensator spring adjustment - has slow running characteristic altered without influencing main regulation
Inventor: KUEPPER HEINZ
IPC: F02D1/04
Filed: 1976-03-26
Abstract: The slow running (6) and compensator springs (5) are fitted inside a cover (2) located in the tension lever (1) and mutually supported by an axially displaceable plate (7). The plate (7) is integrated with a sleeve (8) provided with a stop (9) for slow running adjuster spring collar (4). The two springs are fitted around a centre bolt (12) between end discs (10, 11). The one end disc (11) is axially adjustable in order to adjust the main spring tension. The slow running spring (6) is adjusted by an adjuster ring (13) let into the sleeve (8) to support itself on the slow running spring. The adjuster ring is provided with studs (14) which extend through the spring cover (2) to rest in recesses (16) in the tensioning ring (15).
Patent DE-2614748-A1 (DE)
Title: Circuit to monitor function of indirectly acting switch - having reversing switch assigned to each switch position formed from 2 diodes in antiparallel
Inventor: JUNGER HORST
IPC: H01H47/00
Filed: 1976-04-06
Abstract: The switching states of the reversing switches characterises the position of the switch to the monitored. Depending on their switching states, they either carry out, from a separate current source, the switching command given by the monitored switch or set off an alarm system. The switch to be monitored lies, in both position, each with a diode, in one and the same branch of a bride loaded with a.c. The two diodes are connected in anti-parallel. An amplifier on the bridge applies the half wave directly to a reversing switch assigned to the sign of the half wave.
Patent DE-2615491-A1 (DE)
Title: Desulphurisation of (alpha)-methyl-naphthalene obtd. coal tar - by sulphonation uses salt soln. wash to prevent emulsification
Inventor: GRIGOLEIT GEORG DR
IPC: C07C7/171
Filed: 1976-04-09
Abstract: Recovery of alpha-methylnaphthalene (I) with a low S content from coal tar involves treating 90-96% (I), which has been dephenolised and freed from bases, with 2.5-5.0 mole acetic anhydride and 2-4 mole conc. sulphuric acid - w.r.t. 1 mole methylthionaphthene - at 20-25 degrees C and extracting the sulphonic acids formed with water at a temp. not exceeding 25 degrees C. A second wash is carried out with a 10% NaCl soln. then the organic phase is neutralised with dil. NaOH. Sulphonation, extn. and neutralisation are repeated if necessary, then the purified (I) is distilled. Washing with NaCl soln. prevents emulsion formation during neutralisation. The (I) obtd. has a very low S content (e.g. reduced from 8000 ppm to 14 ppm by 3 treatments) and high (I) losses are avoided.
Patent DE-2621763-A1 (DE)
Title: Blocking transformer power pack operation - controls differential amplifier input voltages by different variables with amplifier output voltage control
Inventor: SCHIPPER GERHARD
IPC: H02M3/335
Filed: 1976-05-15
Abstract: The power pack has a modulator stage for control of the switching ratio, an output stage with a transformer and a control stage which generates a control variable in accordance with the output voltage. A switching circuit (1) derives an interference variable following fluctuations of the rectified input voltage (U1), which controls a first voltage applied to a first input of a differential amplifier in the modulator stage (2). A second voltage is applied to its second input, controlled by the control variable. A constant, time depending voltage is applied to one of the amplifier inputs and the keying ratio of the differential amplifier output voltage is determined by the voltage difference at its two inputs.
Patent DE-2630923-A1 (DE)
Title: Mine suspension track locomotive safety device - has cabin mounted height scanner automatically operating brake on obstacle encounter
IPC: B60T7/12
Filed: 1976-07-09
Abstract: The suspension track for a mine locomotive incorporates a centre rail-suspended section, with drive assembly. The leading driver's cabin is fitted with a height scanner controlling the extent of ground clearance relative to obstacles. The scanner is linked to an emergency brake mechanism control unit, so that brake closure is immediately and automatically induced by the scanner in the event of danger. Such scanners may be fitted to both cabins, pref. on the outside end, suspended to swivel along the track.
Patent DE-2634303-A1 (DE)
Title: Electronic lock and key system - uses contactless data exchange and compares generated and stored signals
Inventor: LUDEWIG MANFRED
IPC: G07C9/00
Filed: 1976-07-30
Abstract: The electronic lock unit (1) has an h.f. oscillator (2) and a transmission and reception coil (4). It h as a low bandpass filter (5) and a signal evaluation unit (6). The electronic key (10) has a transmitting and receiving coil (11), a rectifier (12, 13, 14), power supply (15) and a variable load (19). It has a signal generator (18). Contactless energy exchange takes place by the h.f. generator over the transmission and reception coils (4, 11) and the rectifier. Signals of the generator (2) are fed to the signal generator (18) and coded signals from this signal generator are fed to the transmitting and receiving coils (11, 4). The lock is released only if the signal from the generator agrees with those stored in the signal evaluation unit.
Patent DE-2636920-A1 (DE)
Title: Elastic plastics knob locking device - has locking projection on tubular shaft and interlocking elements between knob and hole surface
Inventor: SCHNALL GUENTHER
IPC: G05G1/12
Filed: 1976-08-17
Abstract: The device has a tubular projection compressible in at least one radial direction and guided in a hole. It carries at least one locking element gripping over the hole edge and thus locking the knob in its axial direction. The locking element (2c) forms on the contract surface (2d) at the guiding hole end (1b) an angle with the perpendicular to the knob axis, greater than the so-called self-blocking angle. Gripping into each other locking elements (3, 4) are provided on the contact surface between the knob (2) and the surface of the guiding hole.
Patent DE-2639865-A1 (DE)
Title: Multi-part mould for mfr. of shoe components with dissimilar insets - has basis with fitting inset and a pair of exchangeable plates
Inventor: PISONI GIOVANNI
IPC: B29D35/00
Filed: 1976-09-02
Abstract: Mould for use in machines for mfr. of (plastics) soles, heels, wedges and other bases of footwear with various insets, inlays or linings of dissimilar materials, features >=1 component adapted to reduce the wt. of the intended articles, which is additional to a base portion. This component is opposite the base portion and has projections fitting into recesses in the base. The mould also has a pair of exchangeable plates adapted to receive the insets of dissimilar materials and intended to be combined with the shoe bases. The plates are smaller than the base portion(s), the latter being provided with guide(s). The plates have grooves or ribs which slidingly engage the complementary faces of the base portion. The plates may be present only in that half-mould fitted with the wt. -reducing component; alternatively, they may be fitted in the other (opposite) half-mould. In a further varient, the exchangeable plates are provided in both half-moulds.
Patent DE-2643780-A1 (DE)
Title: Tilting standard lamp with telescopic column - has ball joint for rotating lamp column without moving base
Inventor: ZANKER HELMUT
IPC: F21V21/22
Filed: 1976-09-29
Abstract: The tilting standard lamp has a telescopic column outside tube is connected to the lighting head. The inner fixed tube is connected to the ball joint within the base. The electric cable to the illuminating head is a removable helical coil with the column and it is taken outside via a tension compensator and through the ball joint. The telescopic column on the base can be fixed into vertical position and it can be readily rotates about its axis by a simple handle even if the lighting fitting is hot. It can be extended and rotated into any required direction or angular position without moving the base.
Patent DE-2709709-A1 (DE)
Title: Depositing cleaning or polishing powder on glass plate - using rotary roller with elastics surface coated with dry powder which adheres to surface
Inventor: FLOETENMEYER MAX
IPC: B24B57/00
Filed: 1977-03-05
Abstract: Glass polishing and cleaning particulate material is deposited on the surface of glass by placing the dry particulate material on a rotary rubber elastic member and bringing the surface of the rotary member, onto which the material clings by adhesion, into contact with the glass surface whose adhesiveness is greater than that of the member surface. Pref. the rotary member is coated with natural rubber of neoprene. Up to 50% of waste of material is eliminated and the particulate material is deposited uniformly over the whole surface.
Patent DE-2714624-A1 (DE)
Title: Artificial bowel outlet pressure relief washer - is used with magnetic valve to vent stoma via. discharge passages
Inventor: ORTMAIER WOLFGANG
IPC: A61F2/00
Filed: 1977-03-30
Abstract: The pressure relief washer (4), with vent fixing disc is for used with a magnetic valve (3) in an artificial bowel outlet. It is used to vent the stoma. The disc can be used as a firm seat for the valve and to allow opening and shutting, and good discharge of gases is provided via the drillings and vent passages in the washer. The design reduces skin itching and other discomfort to the patient.
Patent DE-2717242-A1 (DE)
Title: Radio transceiver for use in agriculture - has all controls and indicators on removable cover and has rotating knobs for transmit coding
Inventor: WASSMANN ROBERT
IPC: H04B1/03
Filed: 1977-04-19
Abstract: The radio transceiver, (1) for use in agriculture, has a dust-proof and water-proof casing with a removable cover. All controls and indicators are located in or on the removable cover. There is a retaining system for releasably fixing the transceiver; this is located on the bolts fixed to the inside of the cover. The transmit key and/or the call key is located near the right hand edge of the cover. Two rotary knobs are provided for transmit coding. The rear of the casing has three projections to locate in holes in a suitable support plate.
Patent DE-2724469-A1 (DE)
Title: Internal gutter for sewer drain bottom - is of mineral fibre-reinforced concrete shaped to fit in bottom
IPC: E03F3/04
Filed: 1977-05-31
Abstract: The bottom of a sewer drain has internal gutter with a profile such as to fit in the bottom. It is of concrete reinforced with mineral fibre. Its shape in relation to the bottom of the drain can be such as to leave a clearance between 4 and 6 cm below its underside, and 2-3 cm at the sides. At one end there can be a radial groove in a larger dia. flange, while at the other end there is a protruding edge fitting in the groove of the next gutter section so that adjacent gutters lie in the same plane. Rings with tapped holes can be fitted in the grooves accommodating screws passing through holes in the protruding edge.
Patent DE-2724918-A1 (DE)
Title: Antiviral and antitumour human interferon prodn. - by incubating virus-infected namalva cells on serum-free medium
Inventor: BODO GERHARD DR
IPC: C07K14/555
Filed: 1977-06-02
Abstract: In the prodn. of human interferon, Namalva cells infected by paramyxoviruses are incubated in a serum-free medium. The dissolved crude interferon obtd. after sepg. off the Namalva cells is purified by (a) pptg. with a Zn salt and dissolving the ppte. in a dilute acid; (b) taking up the interferon with an ion-exchanger, washing out the Zn ions, and eluting the interferon with a weakly basic phosphate buffer; (c) repptg. with a thiocyanate in weakly acidic soln. and dissolving in a weakly basic phosphate buffer; (d) subjecting the molecular sieve chromatography and eluting the interferon with a neutral buffer soln.; and (e) concg. the acidified eluate by means of an ion-exchanger, eluting the interferon with a weakly basic phosphate buffer, and subjecting the eluate to dialysis. Priming of the Namalva cells with interferon is not necessary. Use of serum-free medium gives interferon with a very high specific activity. Dialysis is not required between individual steps in the purificn. The process is suitable for large-scale operation.
Patent DE-2730466-A1 (DE)
Title: Instrument measuring speed or length of continuously moving material - has variable high-pass filter whose cut=off frequency is controlled by oscillator
Inventor: REGA BERNHARD
IPC: G01B11/04
Filed: 1977-07-06
Abstract: The reflection factor of the material surface includes a diffusion component of its reflection factor. A continuously and coherently radiating laser beam is directed on the tested material surface, and laser light spots reflected from it are received by a photoreceiver and its frequency of formation evaluated. The photoreceiver (9) is followed by an amplifier (10), modulator (11), a filter (12) and a search oscillator (13) with an output (14) for frequency measurement and a feed-back circuit to the modulator. A variable high-pass filer (37) is inserted between the photoreceiver (9) and the amplifier (10). Its cut-off frequency is controlled by a control voltage generated in the oscillator (13).
Patent DE-2731832-A1 (DE)
Title: Hospital bed with fixed and movable grids - has slats interleaved with movable grid slidable along guides and actuated by hydraulic or pneumatic cylinder
Inventor: RIZZI RODOLFO
IPC: A47C23/06
Filed: 1977-07-14
Abstract: The bed has a grid which can be rained and lowered in relation to a fixed grid. The slats of the fixed grid are positioned exactly over gaps between the slats of the movable grid, so that the slats can fit upwards between the gaps between the slats above. The support slats of the movable grid are fixed to the sides (5) of a frame which can be raised and lowered. The support slats mainly consist of metal plates. The flexibility and/or the bending resistance of the separate support slats vary in accordance with the weight of the body which they support. The movable grid moves in four vertical guides on the bed and is raised and lowered by means of a link system and hydraulic or pneumatic cylinder.
Patent DE-2733174-A1 (DE)
Title: Pneumatic exposure timer for camera - uses air sucked into hollow cylinder and expelled via variable opening
Inventor: WANNERT MICHAEL
IPC: G04F3/00
Filed: 1977-07-22
Abstract: The pneumatic timer, used to regulate the camera exposure time, comprises a hollow body into which air is sucked before being expelled under pressure via a small opening, with the time for the air to be expelled acting as the timing interval. Pref. the timer comprises a cylinder containing a piston operated via a coil spring. The air enters the cylinder via a valve with an air filter and exits via a small opening which can be reduced or increased in size via an adjustment screw which may be coupled to the setting wheel for the exposure time.
Patent DE-2737573-A1 (DE)
Title: Relay coil with tags on coil former flange - has wire ends bent over deflecting element forming U=shaped loop for tensile relief
Inventor: KERN JOSEF
IPC: H01F41/10
Filed: 1977-08-17
Abstract: The tags serve for the coil winding ends connection, bent for tension relief of the wire ends. Coil wire between the windings and the respective tag (3, 4) passes over a deflecting element (9, 10). Position, length and bending plane of tags (3, 4) is such, that after bending the wires (11, 12) form a U-shaped loop whose one side is close to the deflecting element (9, 10), and the other close to the tag (3, 4).
Patent DE-2743091-A1 (DE)
Title: Mortice lock with key actuated composite bolt - has pinion and rack for extending locking bolt travel
IPC: E05B63/00
Filed: 1977-09-24
Abstract: The mortice lock has key actuated locking bolt. The latter consists of two parts. One part slides when the key is rotated and a second, toothed part is moved along by a pinion and first bolt part. The bolt hence has a very long extension. The pinion (17) is able to rotate within the sliding basic element (13) actuated directly by the key in the lock housing. The pinion engages with a carrier pin (17a) in an opening (19a) of the other bolt part acting as actual locking element. The basic element (13) is arranged between parallel guide profiles (14, 15) one of which has rack teeth.
Patent DE-2746575-A1 (DE)
Title: Alphanumeric display for computer-controlled TV set - has data store connected to display and addressed via address decoder
Inventor: KANOW WILLY
IPC: H04B1/20
Filed: 1977-10-17
Abstract: The alphanumeric display is designed for use with a computer-controlled TV or radio or hifi set. It has a multibit data from the microcomputer coded such that its binary words can be displayed directly or indirectly by a digital luminescent display unit and read into a data store associated with the display unit. The data store is addressed via an address decoder and address bus. An alphanumeric display unit is connected to the data store and displays multi-bit data until a new set of data is read into the store.
Patent DE-2747047-A1 (DE)
Title: Manometer with magnetic measurement value transfer - has measurement and indication sections separated by burst-proof wall
Inventor: SCHLUETER KARL GERHARD
IPC: G01L19/12
Filed: 1977-10-20
Abstract: A manometer is divided into an observation section contg. a rotating indicator (23) and scale (28) and a measurement system section by a burst-proof wall (11). The measurement section contains an indicator mechanism (12) and has a cover which deflects in and out at high pressure. It is designed to incorporate magnetic measurement value transfer with low frictional forces and easily adjusted threshold switches. Rotation of the indicator mechanism is transferred from magnets (16, 17) on the mechanism to magnets (20, 22) on the indicator. Both magnet systems lie in a common radial plane. Switches (24) are placed at the scale edge.
Patent DE-2751096-A1 (DE)
Title: Multilayer printed circuit boards - with embedded conductive fibre tacks simplifying cross connections
Inventor: NATARAJAN KOLLENGODE NARAYAN
IPC: H05K1/11
Filed: 1977-11-16
Abstract: The plates for multilayer printed circuit boards are made of a tissue of non-conductive fibres with local flexible electric conductors, which is impregnated with a self-hardening plastic and cut to size. The embedded conductors are exposed at the desired spots and prepd. for a conductive coating by a material which is finally fashioned into conductor tracks. This simplifies interconnections and saves crossovers or devious routings. The overall cost can be reduced.
Patent DE-2753991-A1 (DE)
Title: Filling in and checking aid for numbers or football pool - uses base or support plate, frame and two templates for positioning coupon and preprinted sheet
Inventor: RIDDERS HUBERTUS ANTONIUS FRAN
IPC: B41L3/00
Filed: 1977-12-03
Abstract: Filling in and checking of coupon for numbers or football pool is aided by a base or support plate, frame and two templates. The frame is provided with guides for a fixed carriage which holds a template. The holes in the template are exactly aligned with the divisions in the columns of the coupon. The dimensions of holes in the second template correspond to those of the first. A division identical to a column of the coupon is preprinted on a sheet which is inserted between the two templates. The coupon is placed on the upper surface of the base plate.
Patent DE-2755909-A1 (DE)
Title: Amplifier for FM or phase modulated microwave signal - detects failure of one of two phase synchronised oscillators by using extra coupler
Inventor: BUECHS JUST-DIETRICH DR ING
IPC: H03L7/24
Filed: 1977-12-15
Abstract: The amplifier, for an FM or PM signal, also detects quickly when phase synchronisation between two oscillators and the signal being amplified has failed. The failure of one of the two oscillators (G1, G2) is indicated via a branch line (K'). The phase relationship is set by adjusting the length of the lines (1) between a 3dB coupler (K) and the two oscillators. the input signal passes via a directional coupler (J) to the 3dB coupler.
Patent DE-2758552-A1 (DE)
Title: Error free data processing system for telegraphy - uses modem coupling and has ring circuit bus lines with synchroniser, valency tester and process unit in main and auxiliary stations
Inventor: LOTZ ALFRED ING GRAD
IPC: H04L1/02
Filed: 1977-12-24
Abstract: The data transfer system comprises a central unit (1), a substation connected in a ring circuit and linked to the main station by two identical channels (4, 5), and between these on each side is a data input unit (8), a databus (9), a tail unit (10) and a telegram receiver and transmitter (TEGEM) (11). In the central channel is a code input (12), with additional input from a process unit (13) which is supplied by a valency tester (14) receiving input from the bus lines on either side. The valency tester is controlled by a synchroniser (15) which is also connected to the TEGEMs (11), and these are in turn linked by an input coupler (16) to the modem (20). The substation has a similar arrangement of units.