baber/WOPTO huggingface dataset:
Patent DE-2603639-A1 (DE)
Title: Piezoelectric ferroelectric transducer prodn. - first connects ferroelectric disc to plate shaped support and uses subsequent polarisation
Inventor: BOEHME WOLFGANG DIPL PHYS
IPC: H01L41/257
Filed: 1976-01-30
Abstract: During the production of the piezoelectric transducer a disc-shaped, ferroelectric element is connected to a support diaphragm or plate, in order to form a laminated plate unit. First the connection between the support and the ferroelectric element is carried out, after which the element is subjected to polarisation. The surfaces of the laminated plate, parallel to the main plane of the ferroelectric element are exposed to a pressure of a clamp with flet clamping surfaces during the effective period of the polarising direct field. Preferably the polarisation and the measuring of the transducer electroacoustic characteristics are carried out in a closed control procedure.
Patent DE-2605896-A1 (DE)
Title: Interlocking ceramic roof tile - has cylindrical cover fold extending continuously from base to head for lengthwise movements
Inventor: LUDOWICI MICHAEL CHRISTIAN
IPC: E04D1/04
Filed: 1976-02-13
Abstract: The interlocking roof tile, pref. made of ceramic materials, has base and cover folded sections, and a head folded section permitting a relatively extensive lengthways displacement. Provision for such movement in rows across the rafters simplifies laying, which can then be carried out by building craftsmen other than roof specialists, and also makes it easier to renovate the roofs of old buildings, or to effect repairs after a storm. The cover folding section is cylindrical in shape and it extends uniterruptedly, with no corner cutouts, from the base to the head of the tile. The head folded section may incorporate an outside head fold rib, crossing over into the outside fold rib at the same level. The head fold groove is pref. of the same depth as the side fold groove.
Patent DE-2606143-A1 (DE)
Title: Mixer for feeding cleaning agents into water line - has multichamber container for agents coupled to electrically driven gear pump
Inventor: HEUER JUN HERBERT
IPC: C02F1/68
Filed: 1976-02-17
Abstract: The forced-mixing unit is esp. designed for feeding cleansing agents into existing water lines used for cleaning people, animals machinery and other equipment. A multi-chamber container houses the various cleasing agents and is connected to an electrically driven geared pump having a stepless speed control by which the pump can be driven up to and above 100 rev/min. The pump sucks the agent from the container and feeds it into a mixing valve where it is thoroughly mixed with the water before passing to the washing installation. Pump pressure of up to 10 atmospheres and more can be achieved.
Patent DE-2616061-A1 (DE)
Title: Crude pumice stone sepd. into white and black fractions - which are then used for mfg. ceramics, enzyme carriers, abrasives or pigments
IPC: C04B14/16
Filed: 1976-04-09
Abstract: Special types of pumice stone are made by crushing the crude stone to a size of 0-6000 um, and then using magnetic and/or electric fields to obtain (a) white pumice stone; (b) black pumice stone; or (c) a prod. contg. a specified ratio of (a) and (b), where the ratio depends on the intended application for the pumice stone. The resulting prods. may contain by wt. 0-100% of (a) or (b). The pref. fraction (a) is free from the black fraction (b) and has apparent density 0.25-0.29 g/ml, with 60-75% SiO2. The pref. fraction (b) is free from white stone (a) and has apparent density 0.9-2.0g/ml, with an SiO2 content of 25-50%. White pumice stone (a) is used for mfg. ceramics, or as a matrix for carrier-bonded enzymes. The black stone (b) has a higher hardness and is used for mfg. grinding materials or abrasives.
Patent DE-2624202-A1 (DE)
Title: Electrolytic prodn. of chlorine and caustic alkali - in cell with permselective polymer membrane and amphoteric metal salt in anolyte
Inventor: RAMP FLOYD LESTER
IPC: C25B1/46
Filed: 1976-05-29
Abstract: Electrolysis for the prodn. of Cl2 at the anode and caustic alkali (I) at the cathode is carried out with an aq. anolyte contg. NaCl and an aq. catholyte contg. (I) using a direct current, in a cell with a cation exchange membrane between the anode and cathode chambers. The membrane used consists of a polymer sheet material contg. one covalently bound anion per 1200 mol. wt. units. The NaCl concn. in the anolyte is between 25% and complete satn. and the anolyte also contains a cpd. of a strong mineral acid and an an amphoteric metal from the gp. Al, Nb, Ta, Ti, Zr, Mo, W, V and Ga and is kept at pH 1.8-2.75. The anolyte and catholyte are kept at 65-100 degrees C. High permselectivity of the membrane gives Cl2 and (I) of high purity, with low energy consumption and high current yield. Pref. the anolyte contains AlCl3 in a concn. directly proportional to the (I) concn. in the catholyte. In an example electrolysis was carried out with satd. NaCl soln. as anolyte and 10% NaOH soln. (initially) as catholyte at a current of 1615 a/m2 and at 75 degrees C. AlCl3.6H2O was added at intervals. After 6th the NaOH concn. was ca. 20 wt.% and the current yield 85%.
Patent DE-2630922-A1 (DE)
Title: Fibre optics connector with axial tolerance relief - has termination pin allowing limited axial sliding against resilient force
Inventor: MCCARTNEY RONALD LEE
IPC: G02B6/40
Filed: 1976-07-09
Abstract: An elongated hollow termination pin assembly for mechanically terminating a fibre bundle of a fibre optics cable, includes an elongated hollow pin with coaxially slidable outer sleeve and an O-ring of resilient material mounted in a groove about the pin immediately adjacent to the end of the sleeve towards the terminal end of the cable. A backward facing shoulder is provided about the circumference of the sleeve so that a retaining clip within the connector shell can restrain backward axial movement of the sleeve. The pin can slide within the sleeve, however, and is resiliently constrained by the O-ring to provide a positive abutment force at the interface of the fibre bundles, dampen contact vibrations, and absorb axial tolerances.
Patent DE-2632357-A1 (DE)
Title: Milk fat content testing appts. - has piston tube alongside test tube and cutter for severing spindle to maintain piston in position
Inventor: TUCHENHAGEN OTTO
IPC: G01N1/14
Filed: 1976-07-17
Abstract: A device for testing milk for fat content etc., has a suction tube (18) alongside which is supported a test container (1) with a hole (3a) through its base (3) and an inlet valve (7). Inside the container is a piston (6) with its spindle (4) projecting through the top (2) attached by a connection (11) to drive rod (12) to a drive (13). This operates an indicator device (14) through a connecting line (17). When the test container has received its charge of milk, a cutting device (9, 10) can cut through the piston spindle, leaving the piston in position. The drive connection can also be used to carry an indicator (16) which slides against the tube (18). This tube can be connected to the container by a tube (20) at the bottom.
Patent DE-2638618-A1 (DE)
Title: Electronic brightness control system - is for continuous control of lamp brightness and noise suppression choke coil former serves as insulating support for components
Inventor: ROHDE MANFRED
IPC: H02M5/00
Filed: 1976-08-27
Abstract: The lamps can be incandescent or fluorescent lamps, and the control is based on phase shifting. the device has an insulating support for electric and electronic components, and a choke for radio noise suppression; an insulating cover screening the components, with a hole for an operating shaft and a metal front plate, esp. for mounting in standardised boxes. A former for the choke and its core (9b) is provided with pockets and recesses for electronic components such as capacitors (12), series resistors, SC components etc. and serves as the insulating support (1). Components are interconnected by their leads, conducting adhesive, conducting varnish, wires, metal strips etc.
Patent DE-2647516-A1 (DE)
Title: Electrophotographic toner removal brush - made by treating pile material with alkali metal salt soln. and centrifuging
Inventor: KANDEL THOMAS G
IPC: A46B3/02
Filed: 1976-10-21
Abstract: The brush is made by: (1) (a) treating a pile matl. with a satd. aq. soln. of an alkali metal salt and borate ions; (b) removing excess soln. and simultaneously orienting the pile; (c) drying; (d) winding the matl. onto a tubular core; (e) treating the matl. with a satd. aq. soln. of two alkali metal salts and a surfactant; (f) subjecting the matl. to centrifugal force to hurl the pile into an erect condition, and then finally (g) drying. The brush remains free from clogging, is hard wearing and is stiff enough to remove toner without damaging the photoconductor.
Patent DE-2648118-A1 (DE)
Title: Heavy duty machinery rotary slide bearing - uses layer of epoxy resin on rough finished surface smoothed by weight of component on adjoining accurately machined surface
Inventor: LENSING RUDOLF
IPC: F16C33/20
Filed: 1976-10-23
Abstract: The glide surface for slowly rotating parts of heavy duty machinery reduces the cost of mfr. The bearing design (11) consists of bearing rings (12 and 13). Bearing ring (13) is stationary and its surface receives only a rough machining. The surface is then provided with a layer of epoxy resin in spreadable form having a thickness (17). Before the layer of epoxy resin sets, the rotary ring (12) with a finish-machined glide surface (14) is placed on it. The weight of the ring (12) evens out the still plastic layer providing when set a smooth surface ready for gliding. To prevent bonding of the epoxy resin with the surface (14) of ring (12) a coating of separating compound is applied.
Patent DE-2651896-A1 (DE)
Title: Aq. liquid toxicity determination - by falling biochemical oxygen demand of sample mixture with microorganisms
Inventor: GAMER GEROLD DR
IPC: G01N33/18
Filed: 1976-11-13
Abstract: The toxicity of aq. liquids, such as liquid wastes, is determined by using cultures of microorganisms which are mixed with them at a certain ratio and by measuring the drop in biochemical oxygen demand. The sample flow and/or the culture fluid is satd. with pure oxygen-enriched air. The retention time for the culture fluid and the sample in the mixing/measuring vessel is chosen to ensure a complete consumption of the oxygen when the sample is free from toxicity. The scope of the system includes higher toxic concns. The accuracy and sensitivity are also increased in the range of lower concns.
Patent DE-2651936-A1 (DE)
Title: Lifting control for single axle trailer - has hydraulic servo in flat location in plane of tow bar
Inventor: SCHICKLING HANS
IPC: B62D63/06
Filed: 1976-11-13
Abstract: The single axle is pivoted on a torsion rod on the trailer chassis, from short support arms (7). The arms are linked to control cams and to control levers (12) fitted to a servo ram (15) at the front of the trailer. The ram is mounted flat in the tow bar plane (3) and pulls the torsion rod cams to raise and lower the axle. The lowered axle allows easier loading of the trailer, with the rear edge dropped to the ground. The ram is locked into its extended position, with the axle raised, by a pivotted handgrip (24) which drops down from the free end of the ram and braces its rear end on the front of the ram cylinder.
Patent DE-2657606-A1 (DE)
Title: Electromechanical filter with extra wire resonator - has electromechanical transducers with flexural mode wire resonators
Inventor: BIRN BRUNO DIPL ING
IPC: H03H9/46
Filed: 1976-12-18
Abstract: The mechanical filter consists of electromechanical transducers and flexural-mode resonators each with two nodes, one or both of which are used to mount the resonator. An extra mechanical resonator (8) is attached to one of the two nodes (irrespective of whether that node is used for mounting or not). If that node has no support then the extra resonator is a wire at right angles to the resonator's axis. If that node has a support leg than the extra resonator is a wire at right angles to the leg. This avoids breaks in the filter's blocking curve.
Patent DE-2708294-A1 (DE)
Title: Encapsulated gas filled HV circuit breaker - has built in adsorption material acting as gas reserve in form of molecular sieve
Inventor: ZAHNER HANSRUEDI DIPL ING CHEM
IPC: H02B13/055
Filed: 1977-02-25
Abstract: The encapsulated HV switchgear operates under quenching gas pressure, the gas being non-conducting, such as sulphur hexafluoride. The encapsulation (11) contains the circuit breaker (13) and its sealed-in leads (14, 15). Also contained in the capsule (11) is a layer of absorbent material (17) under a metal screen (18) for extracting the products resulting from circuit breaker arcing. Below this layer, and separated from it by a porous film (20) is an adsorbent (21) which also acts as a molecular filter. It is saturated with the gas, in liquid or gaseous form, and provides a reservoir of reserve gas to replace the loss due to arcing decomposition. The adsorbent is typically alumina of selected grain size, and with pores to match the SF6 molecules. It may also have a heater (22) placed within its mass to speed the liberation of gas, should the pressure inside the encapsulation fall.
Patent DE-2709642-A1 (DE)
Title: Machine part locking device with drive actuator - has locking device with two clamping rolls, spring loaded by spring force against actuator movement
Inventor: JOBST FRITZ
IPC: G05G5/16
Filed: 1977-03-05
Abstract: The locking device is intended for machine parts which can be displaced by a hand lever. It has two drive actuators, drivingly interconnected and a locking device preventing any actuator movement in relation to the housing. Under applied force engaging one actuator the latter can be released. The locking device contains two clamping rolls (9, 10), each spring-loaded in clamping direction in opposite movement direction of one actuator (2). The latter has a free play relative the other actuator (3), and carries pressure elements (2d) which, during the relative mo cement, trip the locking clamping roll, which overcoming the spring force. The actuator (2) is preferably kept in a middle position, in which it does not affect any clamping roll.
Patent DE-2714310-A1 (DE)
Title: Arc resistant HV switch section - has bushings for movable switch contacts, sealed at one end by fixed contact, and by flap at other end
Inventor: LAPP HEINZ
IPC: H02B11/24
Filed: 1977-03-31
Abstract: The switch section has a movable switch gear and driving means in partitioned chambers in which bushings are provided for withdrawable contacts of the switches. Their front sides are covered with flaps, and fixed opposite contacts are provided in the busbar or cable end chamber. Each bushing (3) is in the form of a tube section with a flange, fastened by a nut (13) on a supporting element. Its one end is completely sealed by the fixed contact (8a) and the other end is automatically closed by a flap (10) when the movable contact (7a) is withdrawn.
Patent DE-2721565-A1 (DE)
Title: LV cable tapping clamp with split clamping ring - has contact blocks, each surrounded by insulating cap, forming contact elements with contact screw
Inventor: FREITAG BERNHARD
IPC: H01R4/36
Filed: 1977-05-13
Abstract: The tapping clamp has several contact elements and corresponding number of insulators with holding wedgees inside the clamping ring. Each contact element is in the form of a contact block (8) surrounded by an insulator (4) like a cap. The contact block has knurled or toothed surface in the lower region, sealed outwards. The contact block has a threaded bore for a contact screw (9). The threaded bore passes through the block and ends in an orthogonal recess (3). The insulator is movably mounted in guide cams (7) in the region of the clamping ring (1). On the insulator is inserted a screw (11), which can move the insulator as desired. Between the latter and the screw is inserted a pressure plate (12) with a bore, matching one insulator surface.
Patent DE-2729614-A1 (DE)
Title: Tank for underwater storage of nuclear fuel element containers - has pivoting support levers for container which swing away to clear container
Inventor: SCHNEIDER WILFRIED
IPC: G21C19/07
Filed: 1977-06-30
Abstract: The wall of the tank is equipped with pivotally mounted arms or levers, which are able to adopt one position in which they support the transportation vessel, and a second position in which they provide a wider clearance for the transportation vessel to be lowered into the tank or raised out of it. In a preferred embodiment the pivoting arms are arranged in pars diametrally opposite one another and thus rotationally symmetrical about the centre of the tank. Each arn engages a support trunnion enabling the vessel to be suspended from the arms. Used for a nuclear power plant or for a used fuel element disposal plant, in either of which nuclear fuel elements in vessels, esp. vessels equipped with cooling fins, are stored underwater. The arrangement provides vertical support and also positive lateral support against horizontal forces, such as those caused by earthqualkes. The pivoting action of the arms enables the size of the surrounding tank to be kept to a minium this not only reduces the overall space requirement but also enables a water cushioning effect to be applied to the vessel should the vessel be accidentally dropped.
Patent DE-2730053-A1 (DE)
Title: Health data disc on wrist watch strap - with identifying mark, records wearer's blood group etc. in case of accident, inside waterproof cavity
Inventor: BABICSEK LORENZ
IPC: G09F3/00
Filed: 1977-07-02
Abstract: The metal catch of the wrist watch with metal strap has engraved on it, the blood group and rhesus factor of the wearer, with the initials SOS. the metal fastener to the watch can withstand fire, car accident and other fatalities, and for this purpose hjas a double base onto which a lid flaps down. The cavity between the double bottom contains a strip of material which is impervious to water. The strip of material has recorded on it information which is important for a doctor to know in case of emergency, such as illnesses to which the wearer is subject (such as diabetes), allergies and inoculations.
Patent DE-2746390-A1 (DE)
Title: Releasable coupling strips for joining plate sections - are interlocked esp. using a dovetail joint to form right-angled couplings
Inventor: BERGER WERNER
IPC: F16B5/06
Filed: 1977-10-14
Abstract: Coupling for at least two plate sections comprises two coupling elements in the form of strips (10, 20 having interlocking profiles (15, 25) which are releasably attached, e.g. screwed to the plates which are to be connected. The coupling can be used to form a corner connection whereby one type of strip (20) is screwed to each of the two plates which are to be coupled at right angles to one another. A coner strip (32) with a suitable coupling groove can then be fitted over the projections on the coupling strips (20). The coupling has a dove-tail joint.
Patent DE-2814159-A1 (DE)
Title: Rotating location platform for brick transport truck - supports truck load frame during loading and has horizontal support arms for load trays
Inventor: KAMPHUES HERMANN ING GRAD
IPC: B65G49/08
Filed: 1978-04-01
Abstract: A brick transport truck (3) is located on a mobile loading platform (1), where it is held in position by a rectangular vertical support frame (10). The truck (3) has a similar vertical frame (6) on which horizontal arms (7) for carrying trays loaded with bricks, are attached. A pivot shaft (11) on the platform frame (10) locates the centre of the truck frame top. Since the truck is located on an indexing base (2) on the loading platform, the truck can be swivelled through 180 deg. after one half of it is loaded.
Patent DE-2821160-A1 (DE)
Title: Oil or gas burner with combustion recirculation - has dry air blown in twisting motion to enter inner tube for mixing
Inventor: EISFELD FRITZ PROF DR ING
IPC: F23D5/06
Filed: 1978-05-13
Abstract: The evaporating chamber is of tubular form (2) with an inner tube (5) positioned along the centre axis. Holes are arranged around the periphery (9). Dry air (3) is blown through the tube with a twisting motion, while hot recirculated gas is blown in the opposite direction. This enters the inner tube (4) and escapes through the holes (9) to mix with the dry air (3) and finally passes out of the main chamber (2). An almost totally dry air-gas mixture is released.
Patent DE-2829485-A1 (DE)
Title: UV or IR lamp reflector - has ventilation ports formed by lugs cut and bent out of trough-section material
Inventor: FREI HANS-JOACHIM
IPC: A61N5/08
Filed: 1978-07-05
Abstract: The reflector is particularly for ultra-violet or infra-red tubular irradiation lamps for solaria. It is trough-shaped and has ventilation ports. The ports (4) are formed by lugs (5) cut out from the reflector material (1) and joined to it by a rib (6). The lugs are inclined at an angle to the corresponding reflector surface. Thickness and characteristics of the reflector material can be such as to allow adjustment of the lug angles. The ribs of the lugs can run parallel to the lengthwise axis of the trough section.
Patent DE-2833458-A1 (DE)
Title: Fixture for gear belt pulley - has profiled side disc secured to pulley end face projection by pressing flat to reduce central disc bore dia.
Inventor: HENRICHS LUDWIG
IPC: F16H55/36
Filed: 1978-07-29
Abstract: The arrangement is for securing a side disc (2) to a pulley (1), particularly a gear belt pulley. The pulley end face has a projection (3) on to which the disc fits with little or no clearance. The disc is not flat radially, over at least part of its dia. When it is pressed on to the pulley side, the dia. of its central bore (5) reduces and assumes a conical contour, so that the disc fixes itself on to the projection. The projection may have a conical contour (4), converging towards the pulley end face.
Patent DE-2835178-A1 (DE)
Title: Sports shoe for hard running tracks - has specially shaped heel with indentation for high degree of load absorption
Inventor: DASSLER ADOLF
IPC: A43B5/06
Filed: 1978-08-11
Abstract: The tread sole (1) of the shoe is of resilient plastics and is comparatively thick in the heel area. Starting from this heel edge it has at least one short indentation (4') which runs roughly in the longitudinal direction of the shoes so as to divide the tread sole locally into two heel sections (5, 6) which can be deformed individually on impact and stress. When the tread has a rear projecting extension which resiliently bends upwards through stress the indentation is situated in the extension. Since this sole section alone takes up the load it deforms more strongly than usual so that the runner gets a better shock-absorbing effect.
Patent DE-2851563-A1 (DE)
Title: Control cab for lateral stacker truck - contains repeater controls for standing operator
IPC: B66F9/075
Filed: 1978-11-29
Abstract: The lateral stacker truck is used by a driver who may have to adopt a standing or sitting position according to visibility requirements. There are two sets of controls to allow driving from either position. The vehicle has an 'U'-shaped frame with the control cab mounted on crossbeams. The cab has four uprights which may support a roof. There is a seat in the cab and an accelerator pedal and a brake pedal mounted in front of it, on the floor. There is also a steering column with a steering wheel. There is sufficient space by the seat to allow the driver to stand. The steering column can swivel to a vertical position and there are hand controls for accelerator and brake.