baber/WOPTO huggingface dataset:
Patent DE-2260288-A1 (DE)
Title: Waste water metal removal by pptn as hydroxide or - carbonate and centrifugation
Inventor: HAVILAND JOSEPH M
IPC: C02F1/52
Filed: 1972-12-08
Abstract: Metal cpd. contaminant(s) pref. of Al, Cd, Cu, Cr, Fe, Mn, Hg, Pb, Ni, Ag, Sn and/or Zn are removed from the waste H2O by adding a precipitating agent to form an aq. metal cpd. sludge, which is allowed to settle before spn. from the supernatant liquid. The sludge is then tranferred to a continuously operating centrifuge where it is conc. by centrifugation at >800 G pref. >1,400 G. The process is used to treat contaminated waste H2O from electro-plating, electropolishing anodizing, Zn, Fe, or Mn phosphating, metal strippers, paint spray booths and strippers and pickling and wet-blasting processes. The metal cpd. obtained are used to obtain the metal, after electrolysis or are dried and used in synthesis. The process has the advantages of reduced pollution more than 2% is recovered and handling and storing costs are reduced compared with sludge formation by treatment with acid or alkaline soln. but no centrifuging.
Patent DE-2322236-A1 (DE)
Title: Polyalkylene polyamine treatment of cellulose fibres - dyed with reactive dyes contg. 2,3-dichlor-quinoxalinoyl amino gps.
Inventor: ELZER PAUL DIPL CHEM DR
IPC: D06P1/645
Filed: 1973-05-03
Abstract: The dyed textiles are treated with aq. solns. of cpds. of formula: (in which X1 and X2 are H or 1-6C alkyl, a, b and c are 1-8, and m is 0-6). Treatment is carried out hot, pref. at 40-100 degrees C, and the cpds. may be added to the usual soap baths after rinsing the dyed fabric. Wet fastness and acid resistance are substantially improved, and the improvement is maintained during prolonged storage. Migration to the surface of dhe hydrolysate left inside wound articles is prevented.
Patent DE-2323435-A1 (DE)
Title: Welding thin wires together - by sparking twisted ends with mercury bath
IPC: B23K9/00
Filed: 1973-05-09
Abstract: Thin wires can be welded together by twisting the ends together, connecting the other end to the positive pole of a dc battery, and bringing the twisted ends in close proximity to the surface of a bath of mercury which is connected to the negative pole. The resultant spark melts the ends and fuses them together. A pd of 10-50 V is sufficient, so that there is little danger of electric shock to the operator. Large welds can be avoided, and the method is simple and cheap. and partic. suitable for connecting thermocouple wires.
Patent DE-2329699-A1 (DE)
Title: Metal cutting tools with geometrically defined cutting edge - with method for contact zone thermoelectric temp. measurement
Inventor: VOLLMER HEINZ-JOSEF DR RER NAT
IPC: G01N27/00
Filed: 1973-06-09
Abstract: Thermoelectric voltages of the working and reference tools are measured outside the machining process between each other and a specimen material during a cutting process, with simultaneous generation of a contact zone temp. The differential thermoelectric voltages between the tools are determined. The calibrated reference tools are made briefly to engage the workpiece during a machining process, and voltages between two tools and between one of the reference tools and the workpiece are measured. These values and those obtained previously are used to obtain the thermoelectric voltage between the workpiece and the working tool. The voltage between the working tool and the workpiece is measured during machining process, and the contact zone temp. of the working tool is obtained, using the differential voltages previously measured.
Patent DE-2330011-A1 (DE)
Title: False twisting spindle automatic yarn inserter - with endless belt provided with permanent magnets holding exchangeable spindles
Inventor: GSCHAIDER PETER
IPC: D02G1/02
Filed: 1973-06-13
Abstract: Yarns are threaded automatically in false twisting spindle machines in that the spindles through which project predetermined lengths of yarns are carried by permanent magnets arranged in spaced rows on an endless belt which advances the supported spindles linearly towards the yarn tying device disposed on the side opposite the yarn movement direction, the belts with the spindles are mounted interchangeably on a reciprocable carriage.
Patent DE-2330016-A1 (DE)
Title: Sound and weather protection electric machine cladding - has cooling air inlet openings towards ends and central outlet openings
Inventor: HUHN JOSEF
IPC: H02K5/24
Filed: 1973-06-13
Abstract: The cladding consists of a rectangular box whose walls and flat roof are constructed from sound absorbent material. Rectangular openings are cut in the sides and roof of the box and arranged so that cool air enters through the openings adjacent to the box end walls and leaves through central openings in the roof and longer sides. The openings contain sound attenuating material and air filters and are covered by slat boards. A top hood fits on the roof of the box to divert the vertically flowing air to the sides.
Patent DE-2341660-A1 (DE)
Title: Setting tool for load controlled brakes - with mounting bracket for spring gauge in place of damper
Inventor: MEINHOLD BERNHARD
IPC: B60T8/18
Filed: 1973-08-17
Abstract: The suspension damper is unclipped from its mounting and replaced by a rigid strut whose length is adjusted to simulate the required loading of the suspension. A second strut is attached at an angle to the first strut and serves as a mounting bracket for a spring gauge with one end of the spring gauge attached to the end of the bracket by an adjustable thread while the other end of the gauge is connected to the brake force controller on adjustable couplings. The action of the brake force controller can then be measured over a range of gauge settings to establish the correct setting for the controller, without having to open, and measure the brake fluid pressure.
Patent DE-2350847-A1 (DE)
Title: Mash straining system for beer breweries - in multistage tanks and hydrocyclones recycling wort of diminishing sugar content
IPC: C12C7/14
Filed: 1973-10-10
Abstract: A straining system for mash in beer breweries separates the mash in a hydrocyclone into grains with residual mash and wort. three further tanks each with a hydrocyclone, receive the grains with residual mash from the preceding hydrocyclone and pass the separated wort to the preceding tank. The wort addition is replaced in the last hydrocyclone by fresh water. This completes the straining of the mash in the shortest possible time and with a minimum of space required. The wort is automatically adjusted to a desired mean value of the sugar content and the system can process any grist composition.
Patent DE-2352257-A1 (DE)
Title: Contact assembly for horn circuit - with single armed slider contact and moulded tag for light or horn flasher
Inventor: ERDELITSCH HERBERT
IPC: B60Q1/42
Filed: 1973-10-18
Abstract: The conventional U-shaped contact slider and U-shaped insulating mounting are replaced by a single armed contact mounting on which a single armed contact spring is fitted. The spring is bent upwards by its middle and slides along a contact ring fitted to the steering column. The contact mounting is fitted to the fixed steering column housing. The spring is rivetted into a moulded recess in the mounting, along with the press-on connector. A moulded contact is fitted for the light flasher and/or combined light flasher and horn signal. The return earth connection is via the steering column and bearings.
Patent DE-2355024-A1 (DE)
Title: Endless conveyor belt for sorting systems - is pressed down onto support where side thrusters load and unload
IPC: B65G47/82
Filed: 1973-11-03
Abstract: The load-carrying top run of the belt travels over a support, and goods are loaded onto and discharged from it in the sideways direction by means of thrusters, particularly under control of a coding system, e.g. in a post office sorting department. At each loading or unloading station is a device pressing the belt down against its support as the thruster starts to operate. Typically, a set of pressure rollers can be used, on the end of an arm sliding or swinging down onto the belt top surface, and coated with rubber or plastic having a high coefficient of friction.
Patent DE-2359756-A1 (DE)
Title: Saturation adjustable transformer - uses magnetic conductive screws in core recesses to alter effective core cross-section
Inventor: KOHL ERICH
IPC: H01F29/14
Filed: 1973-11-30
Abstract: The saturation transformer, i.e. a current transformer with linear transformation to secondary current up to twice nominal current, esp. for application as saturation relay for heavy-load-start motors, has a ring shaped preferably laminated iron core which surrounds the primary conductor. The secondary is wound round the core. The iron core has at least oen recess producing a reduced cross-section of the core. Into the recess a magnetic conductive part can be inserted to alter the core cross-section and thus the saturation point. The core may have two independent recesses. The magnetic conductive part may be a screw e.g. sheet metal tapping screw, which may be turned from outside the transformer housing for purposes of adjustment.
Patent DE-2365655-A1 (DE)
Title: Bookbinding machine with travelling adhesive applicator - has lifting mechanism for clamp operated by electromagnetic actuator with cam
Inventor: JUNG DIETRICH E
IPC: B42C9/00
Filed: 1973-10-12
Abstract: A bookbinding machine applies adhesive to the edges of a set of loose pages, with a clamping arrangement opened from underneath. There is an adhesive applicator with an adhesive bath and an applicator roller and a system for moving the clamped pages towards the adhesive applicator by means of conveying chains each side of the housing. The adhesive applicator and its motor driven roller and its melting pot are suspended from the chains, as in 2328723. It has a mechanism for lifting the clamping arrangement, consisting of a curved cam (23) engaged by the forked end (24) of an arm (30) with a spring (26) around it, held against an electromagnetic actuator (27).
Patent DE-2401156-A1 (DE)
Title: Clamp for adjustable shuttering for production of concrete parts - has elastically flexible clamp element, with cooperating actuator
Inventor: GEYER ALEXANDER
IPC: B28B7/00
Filed: 1974-01-10
Abstract: Clamp for size-adjustable shuttering for production of concrete parts has a clamp element which is pressed against an abutment and presses the shuttering element against the spacers for the shutterin. The clamp element is elastically flexible and the clamp unit has an actuator which is pivotably mounted in the abutment and cooperate with the clamp element, and which has a support face and an actuating face the latter is further from the picot axis than the support face. The actuating element also has a handle for pivoting it. The clamp can be operated rapidly and is self-holding in the clamping position.
Patent DE-2402642-A1 (DE)
Title: Automatic filling of gap between edges of two glass panes - device for mass prodn. of double glazing
Inventor: LENHARDT KARL
IPC: E06B3/673
Filed: 1974-01-21
Abstract: This device is for automatically filling the grooves round the edges of multi-layer glass insulation (i.e. double glazing), using an "L" shaped track, each leg of the "L" being provided with a filling station. Each station has adjustable guide elements which direct the assembled glass panes past jets supplying the filling and sealing material, the jets being controlled by the passage of the panes. After two sides of the assembly are filled, it travels along the second leg of the "L" so the remaining two sides can be filled at the second station. The guide elements pref. consist of belts on rollers driving the assembly through the stations, a third roller belt being located above each station to hold the assembly in position.
Patent DE-2407799-A1 (DE)
Title: Cross-jet steering system for water craft - has two marginally offset propellers with overlapping blades producing flow transverse to ship
Inventor: MARTENS BERNDT
IPC: B63H25/42
Filed: 1974-02-19
Abstract: Two or more cross jet tunnels connect, or their circular arcs merge with each other. The propeller circles contact each other, or are driven so as to overlap. Two circular segments are connected by straight or curved plates. A straight, curved, or formed channel leads from one hull side of the other. Two or more propellors are driven by a single, and/or common transmission. The arrangement produces a rapid cross-flow which is useful for manoeuvring in tight spaces, partic. on canal craft. The unit can be provided at either or both ends of the craft.
Patent DE-2411118-A1 (DE)
Title: Spinning machine motor drive unit - has closed loop for coolant air round motor rotor with heat exchanger
Inventor: WOLF HORST DIPL ING
IPC: H02K9/18
Filed: 1974-03-08
Abstract: The design of a drive motor for a spinning unit has a cooling airstream in channels forming a closed loop within the motor to cool the rotor. Cooling the rotor in the motor allows a small motor to be used, the closed loop ensuring that the cooling airstream is free of dirt and other loose matter from the spinning environment.
Patent DE-2413312-A1 (DE)
Title: Gas or fluid conduit cut-off tap - comprised holed flange with sealing cap and holed rotating disc
IPC: F16K3/08
Filed: 1974-03-20
Abstract: The cut-off tap for gas and fluid conduits has a flange with two passages for the connection of inflow and outflow. A cap is located on the flange and sealed, the inner upper surface of the base of which is located with clearance from the top surface of the flange. A disc is fitted rotatably on the top surface of the flange and contains two passages symmetrical to the holes in the flange, and there is a free space between the inner top surface of the cap, base and the surface of the disc facing it. A third hole in the disc connects to the inflow. The top surface of the flange has a circumferential recess in which the cap fits by means of its circumferential round flange.
Patent DE-2415474-A1 (DE)
Title: Telephone crossbar switching panel - uses bistable, remanent coupling relays at wire intersections with specified windings connection
Inventor: HAUSSMANN PETER DIPL ING
IPC: H04Q3/00
Filed: 1974-03-29
Abstract: Control matrix circuit for telephone exchanges, consisting of control row and column conductors in coordinate system has at each intersection point a bistable remanent coupling relay with two windings. One winding of each relay is connected to the line conductors, the other one being connected to the column conductors. Both windings of each coupling relay are differentially connected for application of a marking current. For connection of one row conductor with two column conductors, or vice versa, which produces a branching connection in the coupling matrix, one coupling relay at an intersection point is energised by a control step, while simultaneously all other coupling relays in the same row and column obtain resetting excitation. The second control step energises a second relay at intersection point of the same row or column and another column or row.
Patent DE-2419205-A1 (DE)
Title: Logic cct. combining alternating voltage signals - has rectified outputs of secondaries to blocking oscillator with ceramic capacitors with cut outs
Inventor: LOTZ ALFRED ING GRAD
IPC: H03K19/007
Filed: 1974-04-18
Abstract: Logic circuit for combining alternating voltage signals, where the iputs are via separated transformers (1, 2). The secondary outputs of the two transformers are (7, 8, 9, 10) rectified. The rectified signals form separate control voltages for a transistorised blocking oscillator with feedback transformer (3). The pulse voltage of the blocking oscillator is fed to the output via an amplifier stage (3) in the secondary circuit of the feedback transformer. Each of the rectifier circuits contains a ceramic parallel (11, 12) plate capacitor. There are two diagonally opposite connectors (b.d) on each of the plates which will cut the voltage supply to the oscillator if there should be any breakdown.
Patent DE-2419418-A1 (DE)
Title: Determining and setting scale ratios in optical system - by comparing diffraction angles to give precise indication
Inventor: HOCK FROMUND DIPL PHYS
IPC: G01M11/00
Filed: 1974-04-23
Abstract: The scale ratios are e.g. between object and lens mask in a step repeater. Using a line-raster object in the normal spectral range of the lens, an image or a series of images pref. with different scale ratios of the object is produced by the lens on an image carrier which records the tone image dimensions. An instrument with monochromatic illumination for measuring the angular relationships of different light is then used to compare the diffraction angles of the light diffracted by the object with those of the light diffracted by the recorded image(s). The angular data obtained is held in a data storage device.
Patent DE-2420325-A1 (DE)
Title: System for anchoring of power equipment in transit - has captive bolts through walls relieving shock absorbers with seals at entry
Inventor: MATTHES WOLFGANG DR ING
IPC: H01F27/00
Filed: 1974-04-26
Abstract: The anchoring system is for the active component of a large electrical apparatus such as a power transformer or a choke during transportation from the factory to the site. The equipment will already have a noise damping system incorporated in the design to counteract the vibrations caused by the magnetostrictive and Maxwell forces and the active component such as the core with windings in a vessel with liquid cooling and insulation. The noise damping is effected by shock absorbing wedges between the active component and the walls of the vessel. These are only required to function under operational conditions. During transport these shock absorbers are relieved from any dynamic stresses by clamping bolts through the walls which are captive and have seals on both sides of the wall entry.
Patent DE-2423008-A1 (DE)
Title: Central-heating installation with water-fed radiators - becomes cooling installation when water is diverted through cooler
Inventor: LAEMMLE ALFONS
IPC: F24F3/06
Filed: 1974-05-13
Abstract: A radiator (6) is fed through pipes (4, 7) from a water storage tank (3) under a circulation driven by a pump (8). According to the setting of valves (2, 9) in the pipes, the storage tank can be supplied either with heated water (from 1) or cooled water (from 14). A thermostat (10) controls the action both of the heater (1) and the cooler (12, supplying 14). A drip tray (16), placed under the radiator and containing a piece of felt or similar material, acts as a humidifier. The circulating water is dosed with an anti-freeze. Lagging is applied to all parts of the installation (whether serving for heating, or cooling, or both) except the radiator or radiators.
Patent DE-2435321-A1 (DE)
Title: Screw adjustment for doctor blade in offset printing machines - has rods between screws and blade for individual adjustment of local zones
Inventor: PITER ROLAND
IPC: B41F31/04
Filed: 1974-07-23
Abstract: The screws (14) are provided at regular intervals along the length of the blade (1) for the individual adjustment of local zones of the blade relative to an ink cylinder (5). In order to improve the localisation of the adjustment each screw is associated with a rod (2) one end of which is secured to the underside of the blade near the working edge thereof while the other end (12) of the rod has a screw thread which engages a central hole in the screw. The exterior of the screw has a thread of larger pitch than the interior thread and engages a thread (6a) in a frame part (6) of the machine.
Patent DE-2435718-A1 (DE)
Title: Laying-out micro-organisms for monocultures on strips of nutrient - automatic inoculation dispenses with propagation trays, speeds up operation
Inventor: PFORDTEN HANS JOACHIM VON DER
IPC: C12M1/32
Filed: 1974-07-25
Abstract: Monocultures of micro-organisms are laid out for a study of their growth on strips of nutrient with or without associated antibiotics, by inoculating with a gp. of micro-organisms, part of the surface of a film, in a motion following a cruved path, the organisms being then spread out on the film so as to isolate them, by a rod following, a spiral path close enough to the curved path to intersect it at a no. of points. The film is then brought into close contact with the contoured strip carrying the nutrient so as to transfer some of the micro-organisms to the nutrient. The inoculated film is removed and a second film sets up a sealed air space over the inoculated nutrient. Makes automatic the stripping of the nutrient with micro-organisms. The substrate can be applied as separate strips side by side of different nutrients for comparison of rates of growth, etc.
Patent DE-2437554-A1 (DE)
Title: Sliding door roller - has plastic bearing bracket resting against underside of C-shaped section of leaf frame
Inventor: GROSCH KARL
IPC: E05D15/06
Filed: 1974-08-03
Abstract: Roller arrangements for sliding door supports are fitted to the underside of the door leaf frame by means of bearing brackets. The present design uses a U-shaped bearing bracket (6) fitted with elastic wing-like extensions (5) emerging from both sides of the top part (4) of the bracket, which rests against the adjacent horizontal portion (1) of the C-shaped section of the door leaf frame. The cross-sectional shape of the wings has various possibilities and one such is fitted with a downwards pointing dent in both wing-shaped extensions. Additional fixing arrangements for the sliding door supports are no longer necessary with this design.
Patent DE-2438809-A1 (DE)
Title: Fluid cushion vehicle main clutch - uses pressurised fluid flowing between engaging clutch surfaces to provide lift pressure
Inventor: REBETTGE REIMAR
IPC: F16D25/00
Filed: 1974-08-13
Abstract: A clutch housing is fitted with the driving part of the clutch containing a shaft and a two-part flywheel. The driven part consists of a double-skinned plate carrying on its perimeter part friction rings. The gap between the two skins of the plated can be fed with pressurised fluid, which, when the clutch pedal is pressed down, is allowed to escape between friction rings and adjacent engaging surfaces openings. The pressurised cushion of fluid forms a constant layer between the two surfaces and breaks the clutch. If no more fluid is fed into the gap, the cushion collapses and disc spring forces rng back into friction engagement on both friction rings.
Patent DE-2443922-A1 (DE)
Title: Water pressure-retaining sealing joints - uses tongue and groove, pressed together
Inventor: HORN ECKEHARD DIPL ING
IPC: E04B1/68
Filed: 1974-09-13
Abstract: The sealing joints are between pre-fabricated sections, which form swimming pools, containers, dams, etc. It consists of a continuous tongue, on one section, and a corresponding groove in the neighbouring section. To achieve a water-tight connection, the tongue is pressed into the groove. The tongue consists of rubber or an elastomer material, with sheet metal and a cover of corrosion-proof material. The groove consists of a profile, inserted into the pre-fabricated section, its upper ends aligned flush with the section ends. Preferably the groove inlet portion is round tapered on both sides and the diameter is at least equal to the diameter of the inserted spring stud profile.