baber/WOPTO huggingface dataset:
Patent DE-2542870-A1 (DE)
Title: High purity antimony mfr. as spheroids - by dropping molten droplets through inert gas into inert liquid
Inventor: ELLBRUNNER ADALBERT
IPC: B22F1/065
Filed: 1975-09-25
Abstract: Hig purity metal is melted in a receptacle, heated to 631-800 degrees C, under an inert gas cover at 0-0.5 x 105 Pa. It is then allowed to pass through a nozzle 0.1-0.4mm dia. in single droplets to drop 100-800mm through inert gas into an inert liquid, having a b.pt. 80-120 degrees C, which is in motion, and allowing the droplets to solidify. Pref. the gas is Ar and the liquid pure water. Used as doping material for semi-conductors giving good dispersion and made by a simple and cheap process.
Patent DE-2543171-A1 (DE)
Title: Digital phase discriminator with forwards-backwards counter - has counter connected by two clock inputs to reference frequency and oscillator is locked
Inventor: BOETTCHER OLAF DIPL ING
IPC: H03C3/00
Filed: 1975-09-27
Abstract: The digital phase discriminator compares a reference frequency with that of the oscillator requiring control. The oscillator (1) has its output connected to the first clock input of a forwards-backwards counter (3), and the reference frequency is connected to the second clock input of the counter. The counter outputs are connected to the inputs of a D/A converter (5) whose output consists of the regulating signal for applying to the frequency control input of the oscillator. This regulating signal is low pass filtered (6) before being passed to the oscillator, and a frequency divider is connected to the oscillator output.
Patent DE-2546482-A1 (DE)
Title: Anglers fish bite indicator - consists of pocket torch with signalling key connected to prestressed lever arm and screwed clamp
Inventor: JOOS WALTER
IPC: A01K97/12
Filed: 1975-10-17
Abstract: A lever-arm presses on the signalling-key of the pocket-torch, when the angling-line is pulled tight by the fish. The lever-arm is pre-stressed by means of a spring and tension-screw. The pocket-torch can vary in diameter as it is fixed by means of a clamp-screw. The implement is mounted on a rod so that it can be stuck into the ground. The angler sees the pocket-torch light up, as soon as the fish pulls the line. The implement is particularly useful for eel-fishing.
Patent DE-2549465-A1 (DE)
Title: Annular seal for rolling bearing - deforms on assembly of one portion to impart sealing force to other portion
IPC: F16C33/78
Filed: 1975-11-05
Abstract: The annular seal esp. for a rolling element bearing (2) is made of elastomer and has a fixed, e.g. radially outer, portion (4) whose outer dia. is tapered so that when the seal is pressed into a cylindrical bore the resulting deformation of the seal places an axial sealing force into the inner or free portion (8). The larger end of the outer portion is connected to an axially extending intermediate portion (6) which, on deformation, twists toroidally. This twist is conveyed into a radial web (7) connecting the intermediate portion to the inner portion. This has a lip to press against e.g. a bearing inner race.
Patent DE-2553181-A1 (DE)
Title: Triple piston injector for all synthetic thermoplastics - combines advantages of worm and injection piston with self cleaning
Inventor: MOMBAECHER INGOLF
IPC: B29C45/53
Filed: 1975-11-27
Abstract: A triple piston injection aggregate for processing all kinds of thermically deformable synthetic materials has a metering piston, a compression piston and an injection piston in horizontal, diagonal and vertical location, energised hydraulically or mechanically. The heating cylinder performs a double function as compression piston and the injection cylinder a double function as compression chamber. By displacing the heating cylinder with the compression piston in the compression chamber of the injection piston and by adjusting an eccentric, the compression is infinitely variable. Design combines the advantages of the worm piston and the injection piston, and gives fast colour and material changing, no material leadking through overheating infinitely variable bank up press, infinitely variable injection press. positively metered shot, rapid charging, self cleaning does not damage glass fibres and in addition infinitely variable compression and marbling effects and works every known kind of plastic.
Patent DE-2553211-A1 (DE)
Title: Broadcast receivers coupling circuit - connects UHF receiver and long medium and short wave receiver to common aerial
Inventor: RASEHORN HANS DIPL ING
IPC: H03H11/34
Filed: 1975-11-27
Abstract: The coupling circuit has an absorber and a rejector circuits for UHF signals, and two amplifiers, one of them with two outputs. A first signal path for L. M. and S. wave signals passes through the rejector circuit to the second receiver and a second signal path coupled to the absorber circuit coil (4) transmits the USW signals to the second receiver, and from there through the first amplifier output and capacitor (7) also to the second receiver. First amplifier load resistor is little affected by changes of input impedance of the second receiver. A third signal coinciding with the second between the absorber circuit and the first amplifier, passes through the first amplifier second output, a high-pass filter and the second amplifier to the first receiver.
Patent DE-2557108-A1 (DE)
Title: Magnetic hover rail track junction layout - with electromagnets switched on or off or intermittently magnetised
Inventor: EISELE HERBERT
IPC: B60L13/00
Filed: 1975-12-18
Abstract: The magnetic hover rail track system involves mutually repellant magnetic forces, effective between permanent magnets on board the vehicle and facing permanent magnets of the same polarity in the track. In the vicinity of junction points, crossovers or similar transitional areas, the track permanent magnets are replaced or complemented by electromagnets (4,5,6) which can be switched on or off or intermittently magnetised by partial polarity reversal. The electromagnets may be laterally offset from the track's vertical centre plane, and partially arranged in a series of adjacent rows. This prevents vehicle canting caused by additional transverse forces at junctions.
Patent DE-2603216-A1 (DE)
Title: High output continuous thread former - has screws with double starts along curved chute tool length
Inventor: GEHRIG MANFRED
IPC: B21H3/06
Filed: 1976-01-29
Abstract: the screw blanks roll between a rotating former and a fixed concentric former. The counter faces are grooved to the helix angle (4). The grooves decrease in depth and width with increasing inter-flanks width until they form a finished thread size with two starts of different depth. The grooved (6) fixed tool (2) encircles repeat sectioned (11) rotary (13) tool (1). The grooving progressively forms a blank (12) from the inlet (22) end (7) to the outlet (23) end (14). Cross grooving (15) at mid-travel retains the blank's lie and the continuously rotating of repeat sections raises output.
Patent DE-2605703-A1 (DE)
Title: Medicine bottle cap with antifraud seal - of tab which breaks off when cap is unscrewed
Inventor: HEINLEIN HANS
IPC: B65D41/04
Filed: 1976-02-13
Abstract: A closure, esp. for medicament containers, bottles, etc. has an irreversible seal. A tab is pivotally attached by lugs to the lower edge of the cap; knobs on the rear of this tab engage below a surrounding annular beading on the neck of the bottle or container. A pair of strips, one on each side of the tab prevent the upper part of the tab from deflecting sideways if an attempt is made to unscrew the cap; consequently, the tab breaks off a the lugs if the cap is unscrewed. The front face of the tab is pref. a display panel, indicating that the seal of the cap is intact. The upper part of the tube is pref. a central, bent tongue and the knobs are located at each side of it, at top of the rectangular display panel. Easy and inexpensive to make. Reliable in operation.
Patent DE-2614823-A1 (DE)
Title: Multiple concrete block press - has multiple telescopic hydraulic cylinder system between upper and lower pressure plates
Inventor: EGERT ERICH
IPC: B28B3/02
Filed: 1976-04-06
Abstract: The multiple press for making concrete kerbstones or similar has for each ram, a lower plate (10) supporting a pressure plate assembly (1, 2, 3) by means of a multiple telescopic cylinder arrangement connected to a hydraulic circuit. At each end of the lower plate is a first telescopic guide (11) with a lower member (13) sliding inside an upper member (12). Between them is a support (20) on the lower plate engaging a cylinder (28) under the upper member with a line (36) connected to the hydraulic control circuit. This support has a top extension (22) each side with a piston (26) suspended from each which slides inside a cylinder (25) attached to the main outside cylinders (12). These auxiliary cylinders (25) are connected by lines to the actuator valve of the hydraulic circuit.
Patent DE-2623153-A1 (DE)
Title: Enamelled exhaust silencer for IC engines - has two longitudinal sections with perforated walls held together by sleeve
IPC: F01N1/10
Filed: 1976-05-22
Abstract: The silencer is made in two symmetrical halves (1a, 1b). Each consists of a cylindrical metal tube open at one end and closed at the other with a central hole through the closed end. The two halves are enamelled. Their shape makes enamelling both inside and outside possible. After enamelling an exhaust an exhaust pipe (3a, 3b) with perforations in its wall is pushed into each silencer half through the hole in the closed end. The space round the pipe is filled with steel used to act as sound absorbing material. The two halves are then pushed into a metal sleeve (2) from opposite ends until their open ends abut in the centre of the sleeve. The sleeve is a tight fit and holds the assembly firmly.
Patent DE-2623179-A1 (DE)
Title: Underground chambers with domed ceilings - are made by excavating under domed ceiling in open trench
Inventor: FORTMANN JUERGEN DIPL ING DR I
IPC: E02D29/055
Filed: 1976-05-24
Abstract: An underground hollow chamber has a domed ceiling and is constructed in an open trench. These chambers are built readily in unstable soils. The chambers are built economically and the disturbance on the ground surface is held within minimum extent. The domed ceiling (2, 3) of the chamber is lowered onto the soil in the open trench and the soil under the dome is excavated by mining methods using a domed cutting shield. The side walls are also curved which ensures that the lateral pressure of the unstable soil reacts with advantageous effect. The soil in the vicinity of the workings is not disturbed and hence this work can be carried out near built up areas without danger of subsidence of foundations of existing buildings.
Patent DE-2633783-A1 (DE)
Title: Vehicle seat belt winder - has gearwheel meshing with sprung toothed quadrant including spring and controlled by stop and cam mechanism
Inventor: WOLFF HANS-DIETRICH
IPC: B60R22/44
Filed: 1976-07-28
Abstract: The safety belt winder accessory comprises coupled to the spring loaded winder shaft (1) a gear (2) which meshes with a toothed quadrant gear (3). The latter is held by a spring (4) in a given position and driven by the first gear against spring force until the toothed part of its circumference has left the active zone of the teeth of the first gear. The spring of the toothed quadrant gear has thus moved beyond a dead centre by its point (5) of attachment and applied a force to the first gear so that the spring continues to rotate independently of the first gear. This rotation may be decelerated or blocked by a fixed stop (13), and cam (14).
Patent DE-2636475-A1 (DE)
Title: Recorded message information service for telephone systems - has programmed recorded information which allows interactive mode with caller response
Inventor: THEIS PETER F
IPC: H04M3/50
Filed: 1976-08-13
Abstract: A recorded message information service for telephone systems allows an interactive mode of operation. A programme tape provides for certain questions to be put to the caller and receives replies that advance the programme. The programme tape consists of a series of information blocks with marker signals in the form of a range of frequency signals. The system has a mode control relay unit that provides switching between an information receive/transmit state. A starter circuit is triggered by the signals generated to signify a call to operate over a decodere to generator the first transmitted message. Recording and replay stages are controlled to a programme unit coupled to various tapes. The system provides a facility for various delay periods to follow a request for a response from a caller.
Patent DE-2640495-A1 (DE)
Title: Switching valve for release of rope crane - has piston with leakage connection for releasing crane after stopping
Inventor: MAURER MAX
IPC: B66D1/44
Filed: 1976-09-08
Abstract: The switching valve cylinder accommodates a moving spring loaded piston and has connections for a fluid and is used in a timed releasing device of a blocking arrangement of a rope crane. This arrests the crane support rope at a specified point for lifting a load vertically. The timed release is operated independently of outside energy sources. A piston (7) can be brought into two positions in each of which all fluid flow connectors are connected to each other. A leak connector is connected to a return connection. The pump connection is directly to the load connection. When the rope crane travels then a pump is actuated for holding switching valve piston in the first position. The pump is stopped when crane travel stops.
Patent DE-2641037-A1 (DE)
Title: Magnetic head assembled without adhesives - has parts held in position by fixing wedge and specially shaped aperture is provided to accommodate wedge
Inventor: BARKLEY JOHN ALLEN
IPC: G11B5/31
Filed: 1976-09-11
Abstract: A magnetic head design is for use in tape recorders. It is especially suitable for very small heads, in which the use of any sort of adhesive during production is avoided. Between one of the inner walls of the housing (12) or a spacing component and a part directly adjacent (14), a wedged shaped aperture (16) is provided into which a flat wedge (22) can be inserted. This wedge is used to hold the components in their correct relative positions. The bridge (14) and the wedge may be of stainless steel or titanium.
Patent DE-2655071-A1 (DE)
Title: Axial piston engine with tilting cylinder block - has flow control block hinged to sliding pedestal giving flow via ports in block and casing sides
Inventor: FORSTER FRANZ
IPC: F01B3/10
Filed: 1976-12-04
Abstract: The axial piston engine with tilting cylinder block has this (10) rotating about a hollow spindle (11). One end of this is located in a spherical bearing (12) on the axis of the main shaft (2, 5), the other is a sliding fit over a second spindle (15) projecting from and co-axial with the flow control block (14). The cylinder block seals against, slides over, this block, which is connected by a central transverse hinge (17) to a pedestal (18) which can move vertical to the hinge axis over a surface (20) vertical to the shaft axis. Block sides seal against casing sides, parallel to line of movement. Fluid flow is through ports (elongated) in latter, and orifices (22) in former connect with control openings.
Patent DE-2657712-A1 (DE)
Title: Control circuit for static converter - has control voltage derived from actual and required load currents and converters output voltage
Inventor: BLASCHKE FELIX DR ING
IPC: H02M7/155
Filed: 1976-12-20
Abstract: The control circuit, for a static converter, has a current regulating circuit with a current regulator before the control circuit and a comparator comparing the required and actual values of the load current. The load's (4) opposite voltage (E) is used as a precontrol voltage (UV) for adding (10) to the output of the current regulator (6). This opposite voltage (E) is formed using another adder (18) that adds the converter's output (U) to that of a PD component (20) receiving the actual current (I).
Patent DE-2701208-A1 (DE)
Title: Connector for mitred corners of door frames - has projecting interlocking ratchet parts engaged and rotated into locking position
IPC: E06B3/988
Filed: 1977-01-13
Abstract: The corner connection is used for joining mitred corners of a door frame. The connecting brackets project beyond the mitred corner edge face. The connectors are spring brackets (5) with ratchet connector heads (6), these heads engaging when the frame ends are brought together at a certain angle. The frame parts are then rotated about the contacting inner mitre corners and brought to the final shape. The mitred joint is firmly connected by spring ratchet brackets which are pressed from flat material.
Patent DE-2701597-A1 (DE)
Title: Railway track bed flexible underlay plate - has hollow ribs on underside with full length internal stems reaching toward base
Inventor: BATTERMANN WALTER
IPC: E01D19/04
Filed: 1977-01-15
Abstract: The flexible underlay plate, for railway track permanent way is fitted on its underside with hollow ribs (13) set parallel and running at intervals across its whole width. Each of these has a stem piece (23), formed in the internal space and extending towards the inside base without coming into contact with it. The hollow ribs can have a cross-sectional height which is a multiple of the plate's thickness. They may be partially or wholly filled with porous or cellular foamed material. This provides elastic and resilient support and provides insulation from solid-conducted noise distribution.
Patent DE-2704568-A1 (DE)
Title: Rotary drum for surface treatments e.g. electroplating - includes lid which opens and closes automatically
Inventor: HONGISTO PAULI
IPC: B24B31/12
Filed: 1977-02-04
Abstract: Arrangement for automatically opening and closing a rotating drum includes a lid covering an opening in the periphery of the drum which is mounted on a frame fitted with a drive unit rotating the drum. The lid is mounted in guides on the drum periphery so it can slide over the periphery; the lid has >1 projection or limit stop pointing outwards; and on the frame is at least one limit stop which can mate with the projection on the lid so the drum can rotate w.r.t. the lid. The lid guides are pref. provided in the end walls of the drum, and the lid can be fitted with one or two projections. The limit stop on the frame can be driven in and then retracted using e.g. a work cylinder. The drum is suitable for chemical or electrochemical treatments, e.g. electroplating.
Patent DE-2705328-A1 (DE)
Title: Ink jet printing head - has protective cover band in housing with openings for head and band scraper
Inventor: MARX RAINER ING GRAD
IPC: B41J2/165
Filed: 1977-02-09
Abstract: An ink jet printing head is designed to have a long service life. It has a protective cover which is employed when the head is inoperative and positioned to one end of its guide rails (3). A cover cushion (4) in the form of e.g. an endless band passing around two cores (15, 16). The band is located in a protective housing (14) in the form of a replaceable cassette and has an opening (17) for the head and a further opening (36) for the drive element (8) for one core (15). A third opening (35) allows a wiper (19) with its blade (28) to act on the surface of the band to remove dirt particles (42). The wiper comprises a swivable lever (20) with at least two wiper edges.
Patent DE-2712783-A1 (DE)
Title: Dosing device for viscous material - has piston of dosing head provided with flushing liq. zone
Inventor: HOEFER GERHARD ALBRECHT
IPC: B65B3/32
Filed: 1977-03-23
Abstract: Piston dosing head for delivering a measured quantity of a viscous material in a filling station includes a liquid zone adjoining the piston (15) for a flushing liquid. The flushing liquid zone has a variable holding capacity for the flushing liquid and is formed by the rear end of the piston and the wall of the bore and the end wall of the cylinder (14). The flushing liquid zone has a special inlet equipment (22) and outlet equipment (23) for admitting and discharging the flushing liquids. The inlet equipment (22) and the outlet equipment (23) are fitted each with a non return valve (24, 25) and the reciprocating movement of the piston (15) is controlling the flow of the flushing liquid through the flushing liquid zone. The viscous material is fed by a feeding equipment (11) in a cylinder (14) with the reciprocating piston (15) by which a predetermined quantity of the viscous material is measured.
Patent DE-2723369-A1 (DE)
Inventor: KNABL ANTON ING
IPC: A01F25/20
Filed: 1977-05-24
Abstract: A cutting arm (1) rotates in the round silo and is equipped with a rotating endless chain provided with conveying and tearing tools. The torn-out material is conveyed by means of the chain to the discharge device (3) arranged in the middle of the silo. The cutting arm (1) is preceded in its direction of rotation (7) by a comb (6) fitted with tines (4, 5). The comb (6) serves for comminuting the material pieces, thereby preventing the apparatus from becoming clogged. <IMAGE>
Patent DE-2723647-A1 (DE)
Title: Heat exchanger for flue gas stacks - varies heat exchanger tube area immersed in stack channel
Inventor: KABURAGI KATSUHIKO
IPC: F22B1/18
Filed: 1977-05-25
Abstract: The heat exhanger is used for smoke stacks and has a set of tubes carrying liquid. These are especially water tubes placed into the stack from outside and tubes are arranged at right angles to the flow direction of the exhaust gases flowing at high temperature. The efficiency in the recovery of heat from flue gases is improved and can be arranged to be optimum. Working modes, handling and control of the heat exchanger can be readily monitored from outside. The heat exchanger (2, 3, 4) is connected to an adjusting mechanism for moving the tubes in the axial direction. This arrangement adjusts the immersion depth of the tubes in the stack channel (1), and thus the surface area of the tubes contacted by the flue gases.
Patent DE-2730229-A1 (DE)
Title: Chimney sweeping test unit - has soot pump, carbon di:oxide thermometer and draught measuring device comparators
Inventor: HOLL PAUL
IPC: G01M99/00
Filed: 1977-07-05
Abstract: The main components of a test unit are a table (1) with four panels mounted behind it. The first panel (2) carries a soot pump comparator, the second panel (3) a carbon dioxide comparator, the third panel (4) a thermometer comparator and the fourth panel (5) a traction measuring device comparator. The soot pump comparator employs a wet gas meter which uses a special oil instead of water to inhibit corrosion. The carbon dioxide comparator uses a carbon dioxide mixt. with about 10% CO2 as a standard. The thermometer comparator has a heatable block with holes of suitable diameters for the commonest thermometers and the traction measuring device is based on an inclined tube manometer.
Patent DE-2731273-A1 (DE)
Title: Radially adjustable lens barrel - has holder ring rotatable w.r.t. another ring in which it is mounted
Inventor: PORDZIK EDITH
IPC: G02B7/02
Filed: 1977-07-11
Abstract: One of the rings (3) of the lens barrel has-at regular angular intervals-identical cams (3a) projecting towards the other ring (2) and pref., forming part faces of a circular cylinder. The other ring has three flattened areas (2b, 2c) between part faces (2a) of its periphery which are assigned to the cams. The centre perpendicular (a) originating from the lens axis and going to the middle flattened area is slightly shorter than the other perpendiculars (a+b) to the other flattened areas. In the extension of the perpendicular to the middle flattened area there is a cam projecting towards one of the rings, so that the holder ring (2) is axially adjustable due to turning of the rotatable ring.