baber/WOPTO huggingface dataset:
Patent DE-2329965-A1 (DE)
Title: Continuous grinding of solids - suspended in a liquid by passage through an agitated bed
Inventor: SZEGVARI ANDREW
IPC: B02C17/16
Filed: 1973-06-13
Abstract: Material to be ground is suspended in a liquid in a holding vessel. It is pumped through an agitated bed of pieces of grinding medium. At rest the medium occupies >=85% of the volume of the bed. The rate is sufficient to displace the liquid in the bed >=30 pref. 50-300 times per hr. The superficial velocity is >=2 pref. 5-50 mm per sec. Several passes through the bed are needed to reach the required particle size. There is a retaining screen at the bed outlet and the liquid preferentially passes upwards through it.
Patent DE-2338639-A1 (DE)
Title: Sewing article seam line guide - with ribs extending obliquely in front of the feeding dog to control parallelism of seam with respect to article edge
Inventor: NICOLAY KARL
IPC: D05B35/10
Filed: 1973-07-30
Abstract: Sewing article guide disposed in front of the feed dog has a surface which is parallel to the sewing machine table provided with ribs, the ribs coverging w.r.t. to the line (x-x) passing through the centre of the feed dog, whereby a portion (I) of the ribbed surface is equal to or just slightly greater than the portion (II') of the ribbed portion (II) extending to the right of the line (x-x). Portion (II') is delimited by the line (x-x) and a further line (y-y) passing through a lateral sewing article registration edge of a registering gauge. Thus sewing articles having straight or curved edges can be seamed with the seams extending parallel to the edges. Ribbed guide surfaces relieve the stresses induced in the edges.
Patent DE-2338877-A1 (DE)
Title: Supply cable duct for electric installations in buildings etc. - has cables connected between mutually inclined channels using plugs
Inventor: ZIMMERMANN ARTUR
IPC: H02G3/00
Filed: 1973-08-01
Abstract: The duct for supply cables in buildings etc. uses a connection assembly in order to provide changes in the cable direction. The cable conductors in one channel are rigidly fixed to a set of contact plates which are coupled by connecting plates or plugs to a similar set of contact plates holding the conductors in the other channel. The individual channels are in the form of prefabricated units ready for assembly together in the manner required. The system permits building-up of any desired circuit connections with proper coupling of installation elements. The cable fixing may be attained by embedding in cast resin.
Patent DE-2349587-A1 (DE)
Title: Cassette for X-ray film sheets - has wide access slot closed by sprung shutter coupled to external control
Inventor: PFEIFFER WILFRIED
IPC: G03B42/04
Filed: 1973-10-03
Abstract: The cassette for X-ray film sheets comprises a simple, flat rectangular box with an opening wider than the width of the sheets and which extends over half the length of the box. A slider closes off the opening and has a control knob attached to its side and located in a slot in the side of the box. The one end of the slot is set at right angles to the rest of the slot so that the slider moves into an elastic ratchet position to prevent it opening inadvertently. The cassette is slid into the X-ray equipment and operated by remote control. The individual sheets are readily accessible using suction pick-ups.
Patent DE-2404389-A1 (DE)
Title: Demonstration equipment for radiation pressure - uses electromagnetic radiation and a series of suspended structures capable of rotation
Inventor: FRITZ KARL DR
IPC: F03H99/00
Filed: 1974-01-30
Abstract: The demonstration equipment is particularly designed for use in schools to show the forces exerted by the radiation emerging from a propulsion nozzle. An electromagnetic emitter is, for example, mechanically supported with the aid of a counterweight of a torsion balance with the axis. A rotational-symmetrical field is formed from an oscillatory circuit which is discontinuous capacitively at the point of smallest current by means of a flange double ring so that both parts can rotate frictionlessly relative to one another. The nozzle discharge operates on the rocket principle.
Patent DE-2407702-A1 (DE)
Title: Component rack with identical cross members - members have square U-shaped cross-section and elongated holes along sides
Inventor: HANSS KARL
IPC: H02B1/01
Filed: 1974-02-18
Abstract: The component rack has identical horizontal and vertical members to divide up the rack's larger spaces into smaller ones to accept variously-sized electronic and electrical units. Each member has a right angled U-shaped cross-section whose sides are all equal. The arms and base of each U each have elongated holes to allow members to be bolted together arbitrarily. The distance between holes is at most 1/3 the side of the U cross-section and the length of each hole is at least 2/3 the U's side. Right-angled end plates in the same format as the cross members connect orthogonal members in the finished rack.
Patent DE-2413609-A1 (DE)
Title: Glass blank for mfg gradient optical waveguides - glass tube coated in bore with variable mixt of silica and titanium dioxide
Inventor: LANGHEINRICH WERNER DR RER NAT
IPC: C03B37/016
Filed: 1974-03-21
Abstract: Glass blank mfr. for prodn. of optical fibres, esp. gradient fibres uses a tube or rod substrate coated using a vapour mixt. obtd. from a liq. mixt. of a coating material and a dopant, hydrolysed to form the deposit. The vapour mixt. is obtd. from an amt. of liq. mixt. so chosen that the required coating thickness is obtd. by using the majority of the liq. mixt. The liq. mixt. pref. consists of SiCl4 and TiCl4, >=65% and esp. 75% of the mixt. being consumed in the process. The coating is pref. produced to the required thickness over the entire length of the substrate, and may be made up of several thin layers. Provides a blank for drawing gradient fibres where e.g. the RI decreases radially according to a quadratic function. The process can be carried out to obtain the gradient required without extensive control appts. for adjusting the compsn. of the vapour so the process cost is greatly reduced.
Patent DE-2414368-A1 (DE)
Title: Marking of goods on weighing machines - is by photographing symbols made visible by selective energisation of liquid crystal
Inventor: RIET ALOYSIUS JOHANNES VAN
IPC: G01G23/37
Filed: 1974-03-26
Abstract: The crystal is embodied in a cell having glass walls provided on the sides facing the crystal with transparent electrodes shaped in accordance with elements combinable to form a given symbol. The electrodes are selectively energisable, the symbol appearing as local darkening of the crystal. The symbol is photographed by a light beam shining through the cell onto a light-sensitive carrier, thus printing is a single instantaneous operation. The carrier may be a label to be affixed to goods being weighed. The electrodes may be produced by vapour deposition of a metallic oxide.
Patent DE-2419660-A1 (DE)
Title: Cone cutting and polishing machine - has oscillating magnet attached to upper tool shaft and connected to voltage regulator
Inventor: SCHMALE FRITZ
IPC: B24B5/14
Filed: 1974-04-24
Abstract: The magnet is coupled to a voltage regulator to ensure that an even oscillation of the magnet is achieved. A built in variable transformer makes stepless control of the stroke of the magnet as well as of the speed of rotation of the tool shaft possible. The part which is to be machined is mounted on a shaft opposite the tool spindle. A steel needle which is mounted on the tool spindle engages with the workpiece. A mixture of diamond dust is applied between needle and workpiece. Speed of the tool shaft and oscillation are adjusted to optimum values. A time switch switches the machine off after the required time.
Patent DE-2419978-A1 (DE)
Title: Terminal strip for printed cct. boards - has contacts on insulating element one side with soldering tags on other
Inventor: WINTER HORST
IPC: H01R12/50
Filed: 1974-04-25
Abstract: Contacts and soldering tags of the terminal strip are connected with each other. The insulating element has an insulating support on at least one end for indication, testing and operating elements. This support has at least one pin for additional fastening in the circuit board. The support has a breaking-off point at its junction with the insulating element. A handle is provided at the insulating element at each end. The strip is cheap to produce and saving in space. It is easy to fit in position and to remove. It enables additional components to be mounted as a single unit.
Patent DE-2438791-A1 (DE)
Title: Doll house lighting system - fitted to vertical inner wall with cable led outwards through hole in floor
Inventor: WOLFSCHUETZ LUDWIG
IPC: A63H3/52
Filed: 1974-08-13
Abstract: Doll's house with floor lighting using a bulb with the current supplied to the lamp by cable. The lamp holder (1) for the horizontally mounted bulb (2) is located on the vertical inner wall (7) of the doll house and the cable (3) is angled downwards through a hole (4) in the flor (9) of the floor and is led outwards from there. The hole (44) on the vertical, outer wall (10) has a door closure (12) and the ceiling (8) of the floor has a hole (5) for the passage of the cable (6) leading to the lamp in an upper storey. Typically the doll house components are made out of plastics material such as polyvinylchloride.
Patent DE-2439753-A1 (DE)
Title: Non-linear potentiometer coil - has radial contact paths between inner and outer coils, or circular contact path for special wiper
Inventor: GRUENBAUM HEINRICH
IPC: H01C10/04
Filed: 1974-08-20
Abstract: The non linear resistance for e.g. potentiometer switch, is made from resistive material in strip form, wound into a coil (1) and supported on a backing plate (2), so that the positive pole of an applied voltage is connected to the outer turn, and the negative pole connected to the innermost turn. A resistor is inserted in series between the negative pole and the end of the innermost turn, having a resistance which is proportional to the square of the radius of the innermost turn. Axial contact paths (4, 5, 6) for the wiper arm can be machined along the diameters, or for an alternative wiper system, a circular contact path (7) can be located between the innermost and outermost turns.
Patent DE-2439805-A1 (DE)
Title: Disposable barbecue grill with fuel cartridges - has shaped grid with broken wire sections shaped as cartridge holders
Inventor: ORSING JOHN HARRY
IPC: A47J37/07
Filed: 1974-08-20
Abstract: The grill comprises a rectangular tray (10) of thin sheet aluminium with ventilation holes (11) and covered by a steel wire grid comprising criss-cross wires (12, 13) which are welded together at their points of intersection. The grid is fastened to the tray (10) and certain wires (12') on either side of the intersecting wires are cut off so that the free sections 12' are bent in pairs down into the tray (10) to form clamps in order to secure a known elongate fuel cartridge (14) in the upright position along the base of the tray. The grill can be provided with one or more rows of clamps formed in this way to secure the same number of fuel cartridges which are ignited and burnt in the normal way wherein at the end the residue is retained in the sleeve of the cartridge.
Patent DE-2440068-A1 (DE)
Title: Burner inset for candle shaped light - with heat conducting metal strip connected to the wick holder
Inventor: BIRMELIN JUN HERMANN
IPC: F21L19/00
Filed: 1974-08-21
Abstract: The burner is inset for form a candle shaped light unit fitted to an upper recess in a plastic, wax or wax coated plastic pipe or inserted into a massive wax cylinder consisting of a cylindrical vessel of glass or plastic with inserted wax or stearin and inserted wick with a wick holder. One heat conducting surface is in the form of a metal strip (9) and is fitted within the area of the flame heat action at or in the wick section projecting from the wax connected to the wick holder (6) made from heat conducting material. The cylinder shaped wick holder pipe (6) is fitted with one or more longitudinal slots.
Patent DE-2447063-A1 (DE)
Title: Silage-cutter for silo - has plate sliding cutter-blade and three grooved rollers with guide-bar fitting into grooves
Inventor: SIELEMANN WOLFRAM
IPC: A01F25/20
Filed: 1974-10-02
Abstract: The three rollers are screwed in triangular formation to the plate serving as blade holder. The grooves of the rollers grip round the guide bar which is joined preferably welded, to a curved-piece and another guide bar, so that the two guide bars form an angle of ninety degrees. A ball-bearing pressed into the rollers is screwed to the plate so that a top disc with a spigot and a bottom disc with a spigot, are kept taut when the screw tightens an inner ring between the two discs. At the same time, the top disc is screwed firmly to the plate.
Patent DE-2448089-A1 (DE)
Title: Lawn-mower with shaft - has replaceable cutter-blades fixed by stop-pieces and cover-plates
Inventor: HETTMANNSPERGER HERMANN
IPC: A01D34/01
Filed: 1974-10-09
Abstract: The cutter-blades and cover-plates are screwed to prongs. The cover-plates have upward-bent, triangular edge-strips with a gently-rising edge, and a steeply-dropping edge. The gently-rising edges and at the transverse edges of the cover-plates. In the case of the inside prongs, each cover-plate has two edge-parts, whereas only one edge-part is needed for the outside prongs. The corners of the edge-parts are rounded.
Patent DE-2449315-A1 (DE)
Title: Travelling portal crane erection system - jacks up gantry beam in stages along supporting columns
Inventor: TAX HANS
IPC: B66C19/02
Filed: 1974-10-16
Abstract: The supporting columns (12) for the gantry beam (30) are equipped with jacking mechanisms (36), to which the beam is secured and jacked up in stages along sections of the columns already prepared. It is secured to the columns when the desired height is reached. The upper ends of the columns can be continuously extended, typically by the addition of further sections with the aid of an auxiliary crane on the crab travelling along the gantry beam. The sections can be held in position by tie ropes. The system both speeds up the necessary time required for the assembly of the crane and simultaneously the requirements in the way of materials are less than for prior art cranes.
Patent DE-2451324-A1 (DE)
Title: Concrete cutting compass saw machine - comprising vacuum effect elastic ringed baseplate under hydraulic drive unit
Inventor: BIERI HANS
IPC: B28D1/06
Filed: 1974-10-29
Abstract: The compass-saw machine, esp. for work on concrete, can be used for cutting large holes through walls of concrete. It incorporates a baseplate (17) fulfilling the function of suction hood with a rubber elastic peripheral ring to form a partial vacuum space. On top of the baseplate there is a drive head (23), which is movable on it, with a hydraulic drive motor to generate saw blade movement backwards and forwards. There is a forwarding assembly (33), which is hydraulic but independent of the drive motor, for the drive head, to generate a straight forwarding movement of the saw blade. Vacuum generating assemblies and hydraulic pump assemblies are spatially separated from the saw unit (3) but connected with it by tubes. The base-plate is trapezoid in shape, with the drive head movable along its longer side.
Patent DE-2452000-A1 (DE)
Title: Circulating roller chain conveyor on gondola carrier - comprises chain wheels freely rotatable in one direction only
Inventor: SCHMIDT PAUL WILLI DR
IPC: B61B9/00
Filed: 1974-11-02
Abstract: The carrier mechanism is for use in connection with conveyor wagons and gondola-type cars, with a circulating roller chain engaged by carriers mounted on the wagons or cars. The carriers are in the form of one or more chain wheels (2) which are freely rotatable in one direction but which lock fast in the other direction. The chain wheels may be able to rotate freely at higher speeds of the wagons (1) or cars relative to the roller chain (3), while locking when the speeds are the same or lower. They are pref. mounted on the wagons or cars to engage in the roller chain from underneath or from above, transferring the load to the chain. Locking may be effected by a free-running coupling, or by a ratchet gear.
Patent DE-2452415-A1 (DE)
Title: Utilising natural-energy-to-frictional-heat transducers - in which centrifugal force provides necessary pressure
Inventor: KITTLAUS LOTHAR
IPC: F24J3/00
Filed: 1974-11-05
Abstract: Engine uses deliberately-engendered frictional heat. The original source of the energy would be, e.g., the force of a wind, or a head of water. Apparatus may consist of an externally-ribbed vertical cylinder set within another cylinder and enclosing a vertical axle on which horizontal arms are radially mounted to guide sliding inertial masses e.g. grinding pads which move along them under centrifugal force when the axle turns towards the cylinder walls - against which they press, so generating heat as they move. The heat is conducted away on an air current passing between the two cylinders.
Patent DE-2458740-A1 (DE)
Title: Metal detector for submerged objects - has modified indication to give flashing signal for voltage conducting objects
Inventor: VOLL WALTER ING GRAD
IPC: G01V3/11
Filed: 1974-12-07
Abstract: The metal detector device has, in addition to the known unit, a further electronic voltage sensitive unit. This latter, when voltage conductors become detected - as with water pipes or an electrical conductor - renders the signal lamp indication intermittent so that a flashing signal is then obtained. The known detector unit (I), which has a battery, may have a resistor and a zener diode component to which the supply voltages for the oscillator and the electronic further unit connect. This further unit may be made up of an amplifier, transistor and four resistors. A rod antenna which may be incorporated can be of an electrically conductive paint.
Patent DE-2501848-A1 (DE)
Title: Waterproof hospital sheet of crepe paper and plastics - with slight transverse crumpling of paper to improve wearing properties
Inventor: EDBERG ULF DR
IPC: A61F13/15
Filed: 1975-01-17
Abstract: A waterproof sheet for hospital beds comprises a layer of crepe paper and plastics sheets, bonded to the paper by transverse strips of tough adhesive material, perpendicular to the creping. The plastics, esp. embossed polyethylene, sheet is pref. tensioned during bonding, then relaxed to cause crumpling of the paper sheet, parallel to the direction of creping. The sheet has high resistance to tearing and low rustling noise, due to the prior crumpling of the paper.
Patent DE-2504459-A1 (DE)
Title: TV receiver video and sync. signal testing appts. - has sync. signal input and indicator for excessive video and sync. signal value
Inventor: KAISER PETER
IPC: H04N17/00
Filed: 1975-02-04
Abstract: The tester comprises a low voltage transistor circuit, small enough to be carried in the pocket. The synchronised video signal is connected to an input terminal (3) coupled to an NPN transistor (5) biassed so that the collector and the emitter outputs are equal but of opposite polarity. A switch (10) selects either of these two signals which are amplified by a second and third transistor. This amplified signal triggers a multivibrator circuit (18, 19) whose pulse length is approximately 85% of the line frequency. A light emitting diode (20) in the collector circuit of the multivibrator will be illuminated when video signals above a certain amplitude are detected. By opening the switch (10) the synchronising signal can likewise be tested.
Patent DE-2505598-A1 (DE)
Title: Pipe line for heating oil tank plant - has flexible hose connecting tanks supported by telescopically assembled lengths of tube
IPC: B65D88/54
Filed: 1975-02-11
Abstract: Part of pipe line for heating oil storage plants espec. part of suction line for tank plants with at least two tanks connected by upper suction lines includes a support rail supporting the flexible hose of the suction lines. The support rail consists of telescopically joined together lengths of tube of a larger inside dia. than the outside dia. of the hose (5). The ends of the telescopic tube assembly are supported on a cylindrical projection of a nut forming end fitting of the hose by which the hose is attached to the tank. A sleeve slotted at both ends is used to joint two smooth parts of pipe and a sleeve (10) slotted at one end is used for attaching part (14) of the pipe to the cylindrical projection (9) of the nut (8). The cylindrical projection (9) is provided with circumferential grooves (12) which engage circumferential projections (11) on the inner surface of the sleeve (10).
Patent DE-2517576-A1 (DE)
Title: Cutting endless (synthetic) filaments, slung around a cylinder - using obliquely inclined cutters guided in endless spiral groove
IPC: D02J1/22
Filed: 1975-04-21
Abstract: Endless filaments, esp. in the form of tows, bands, etc. of chemical fibres, partially slung around, and moving along a rotating cylinder for treatment in a drafting arrangement, a contact dryer or a washing machine, are sheared through transversely by a cutting device which reciprocates along the zone of the cylinder not covered by the goods. The cutter engages from outside radially into an endless groove machined in the cylinder across its full width and spirally round it. The cutting edge of the knife is inclined obliquely to the cuttingdi direction, and the cutting edge may be directed either towards or away from the cylinder. A guide key in the groove acts as a carrier for the cutter. Coiling around the cylinder is prevented by a definite cutting as distinct from a striking action, with the inclined cutter moving along the groove.
Patent DE-2520866-A1 (DE)
Title: Composite window box for plants - comprises plastics inner shell and outer shell of glued on glazed tiles
Inventor: PFROMMER VOLKER
IPC: A01G9/02
Filed: 1975-05-10
Abstract: A box having flat outer surfaces is composed of 2 shells of which the inner shell is open on at least one side and consists of a plastics material. An outer shell surrounds the inner shell at least on those sides exposed to view and is made up of glazed tiles. Both shells are glued together by means of the plastics material of the inner shell which may be made of glass reinforced plastics.
Patent DE-2522113-A1 (DE)
Title: Pallet securing bands - fitted over dividing lines of stacking layers for using minimum material
Inventor: BAYER MANFRED ING GRAD
IPC: B65D71/00
Filed: 1975-05-17
Abstract: The pallet (1) has the load stacked in horizontal layers with securing bands (7) fitted across the seams of the horizontal layers, so that each band secured two layers. The bands are of elastic material and are more effective than a complete cover and with much less material. Also, with only the top band removed, to release the top layer of goods, the rest of the stack remains secured. The bands are less damaging to the goods than conventional steel hoops.
Patent DE-2525033-A1 (DE)
Title: Vehicle clearance appliance at border crossings - uses continuous conveyors to reduce exhaust gas exposure of personnel
Inventor: ILLGUTH GUSTAV
IPC: B60S13/00
Filed: 1975-06-05
Abstract: The road leading to a border crossing point is interrupted by a continuous conveyor, which can accommodate vehicles, and move them with switched-off motor past the control points. The conveyor is wide enough for the controls to take place on it, and rises to a small slope, to ease driving off of the vehicles. There may be parallel conveyors for the operating personal.