baber/WOPTO huggingface dataset:
Patent DE-2552774-A1 (DE)
Title: High speed plastics tube corrugator - having extrusion head with blowing orifices and cooling orifices
Inventor: LUPKE GERD PAUL HEINRICH
IPC: B29C48/09
Filed: 1975-11-25
Abstract: A tube corrugating device in the kind in which a freshly extruded tube is blown into conformity with a tunnel mould formed by the cooperating runs of a pair of mould block carrying chains includes an extrusion head having a first duct for introducing blowing air into the tube in a first region, a second duct for introducing cooling air into the tube at a second region downstream of the first and a baffle for separating the regions. Pref. cooling air is also blown onto the mould blocks as they traverse their return runs. The cooling time for the tube is reduced and the device can operate at a higher speed.
Patent DE-2554938-A1 (DE)
Title: Fluid coke oven door sealing cpd. - consists of loam or clay to which ammoniacal water is added
Inventor: SCHMITT HUBERT DR
IPC: C10B29/06
Filed: 1975-12-06
Abstract: To seal the door of a horizontal coke oven chamber against its frame, a fluid sealing compound is introduced into the peripheral cavity left between steel sections of the surrounding structure. When the door has been opened at the end of each coking cycle, the solidified cpd. is removed by mechanical means and renewed after the door has been closed. Specifically the sealing cpd. is an aq. paste of loam or clay which is made up with ammoniacal water. Pref. the loam or clay is predried and the ammoniacal water then added to it, espec. in an amt. 5-40 wt.% (based on the dry wt.).
Patent DE-2600178-A1 (DE)
Title: Radiation-sensitive material with metallic and inorganic layers - which react on exposure and are sepd. by barrier layer to increase chemical stability
Inventor: KOSTYSHIN MAXIM TIMOFEEVICH
IPC: G03C1/705
Filed: 1976-01-05
Abstract: Material sensitive to electromagnetic and corpuscular radiation has a metal layer (I) (e.g. Ag) and a layer (II) (e.g. Bi2S3) of an inorganic substance, which can react chemically with (I) when exposed, giving prods. with different chemical and physical properties from those of (I) and (II). There is a barrier layer (IIIe ne.g. As2S2) of another material between (I) and (II), which is inert towards (I) and (II) in the absence of radiation and thick enough to prevent chemical reactions between these in the absence but not in the presence of radiation. Used for the storage of information in the form of photographs and halographs, e.g. in optical memories, electronics, optics, opto-electronics, polygraphy etc. The material has good chemical stability and is highly sensitive to green, blue, UV, red and near IR radiation.
Patent DE-2600445-A1 (DE)
Title: Large tank viewer using inspection cover - has housing sections, lens and packing, enabling pressurised flowing media examination
Inventor: MEGINNIS CHARLES EDWIN
IPC: B65D90/00
Filed: 1976-01-08
Abstract: The inspection glass arrangement for large tanks, containing streaming media under pressure has housing sections, lens and packing. The two housing sections are equipped with a lens seating surface and a packing support surface which terminates relative to the longitudinal centre line of the opening. A lens is accommodated in the openings of the housings and is positioned between the seating surfaces. The inspection glass arrangement comprises an inner and outer housing section (11), an inspection glass (12), compressable packing and a clamping device (14). The two housing sections are circular in shape and both form openings. The inner housing is welded to the tank.
Patent DE-2603254-A1 (DE)
Title: Tape end joining machine for spools - has several spools aligned with notches all at same angle
Inventor: PUSCHMANN GUENTER
IPC: G11B23/113
Filed: 1976-01-29
Abstract: The machine joins the two ends of a tape, particularly a sound tape, to spools, each having a cylindrical sleeve with a notch to take the tape end and a clamp holding the end. The spools are aligned with their notches all at the same angle, and a storage device holds the tape ready, so that it can be easily pulled out off the roll on which it is stored. The minimum length of tape stored is equal to that to be wound on a spool. A clamping mechanism simultaneously secures the ends of two successive tape lengths and removes the intermediate piece between them. A further mechanism winds the section of tape onto one of the spools to which it is attached.
Patent DE-2611675-A1 (DE)
Title: Roller shutter with removable winding roller - has detachable pin coupling winding roller to cord pulley drive
Inventor: JANKA HANS
IPC: E06B9/68
Filed: 1976-03-19
Abstract: The roller shutter has a rotatably mounted roller or spindle to wind up the shutter sheet, and a drive unit for this comprises a cord for winding and unwinding on top and bottom rollers. The roller for the shutter sheet is connected to the drive by a detachable coupling. The top cord can incorporate a carriage, non-rotatably connected with it, with a lever coupled to it which is firmly connected to the shutter sheet roller. This carriage may have a peripherally open radial slit for insertion of a coupling pin firmly connected to the lever. the shutter sheet can be held on a sliding mounting on parallel rails.
Patent DE-2619803-A1 (DE)
Title: Magnetic transmitter for distributor of IC engine - has plate fitted over supports with slotted holes for air gap adjustment
Inventor: KNOBLOCH WINFRIED
IPC: F02P7/067
Filed: 1976-05-05
Abstract: The magnetic transmitter is mounted in a distributor and used for providing the ignition for all the internal combustion engines supplied by electrical signals. The field plate is fitted over the support disc because of the special method of fixing. The supports of the field plate are made with slotted holes so as to provide accurate adjustment of the air gap and the ignition timing. The disc is made from a non-magnetic material fitted with an equal number of permanent magnets as the number of cylinders in each internal combustion engine. The permanent magnet will generate a control signal when passing a field plate.
Patent DE-2622473-A1 (DE)
Title: Agricultural vehicle cab noise insulating walling - consists of air tight spaced layers and surround and air is evacuated from hollows inside
Inventor: THOMSEN KLAUS DIPL ING
IPC: E04B1/80
Filed: 1976-05-20
Abstract: The noise-insulation sidewall is esp. suitable for the driver's cab on an agricultural or forestry vehicle. It incorporates two, or more, spaced enclosing wall units joined together at their edges. There are supports at intervals made of noise-insulating material, and a number of hollow spaces. The walling units (1, 2) and the peripheral edge (3) are made airtight and interconnected. Air from the hollow spaces (5) is largely evacuated between the walling units and supports (4). The supports can be in the form of cross arm stems, forming airtight hollow spaces between them.
Patent DE-2626189-A1 (DE)
Title: Language teaching system for cassette tape recorders - automatically rewinds tape and replays after student has completed oral exercise from scanned tape signals
Inventor: MATJASIC JOSEF
IPC: G11B27/28
Filed: 1976-06-11
Abstract: At least two sequential switching signals are derived during tape scanning both from track 1, on which the teaching text is recorded, and from track 2 on which student speech is recorded by his microphone. These signals immediately, or after a delay, reverse the direction of tape running and change speed of driving motors and connect the recording and reproduction amplifier to the headphones or microphone of the student, so that at first the teaching track is connected to the headphones whose voltage is scanned and converted in a stage into a switching signal which activates the student track.
Patent DE-2626752-A1 (DE)
Title: Miniature bistable electromagnetic switching device - has spring loaded rocker interacting with contacts and operated by armature
Inventor: BRUNGSBERG HEINRICH
IPC: H01H51/08
Filed: 1976-06-15
Abstract: The device has a coil with overlapping yoke and an armature in contact with the yoke. The armature operates through a push-rod a spring loaded contact rocker supported on a fixed contact, which interacts in at least one of its end positions with a further fixed contact. A coil former (1) supports on its side the long leg (6) of the L-shaped yoke (4). The fixed contact (17) with the contact rocker (19) and further fixed contacts are mounted on a projection (16) on the coil form end carries on a projection (10) the armature (7) free and (12) together with the push-rod (13).
Patent DE-2639496-A1 (DE)
Title: Gas filled LV halogen signal lamp - has temp. coincidence of filament and bulb inner wall necessary for filament regeneration process
Inventor: BERGER WALTER
IPC: H01K5/00
Filed: 1976-09-02
Abstract: The low voltage halogen signal lamp has an intermittent service life of several thousand hours. The switching on pulse appears always during a specified interval. The filament material recirculation processes takes place at a specified temperature of the filament , with a corresponding temperature being available at the inner wall of the lamp bulb. These two temperatures must be available practically at the same time. Preferably a single coil filament 12 V is used. For 48 V a coil filament is typically used. For both voltages the filaments are identical in their diameters and lengths. The space between the lead-in wires is sealed with quartz glass up to a distance of 1 mm from the filament.
Patent DE-2639653-A1 (DE)
Title: Arrangement for applying protective lining in pipes - has nozzle for mortar and scanning and smoothing rollers
Inventor: HACHENEY WILFRIED DIPL ING
IPC: B28B21/94
Filed: 1976-09-03
Abstract: The mechanism for internal lining of pipes or hollow bodies applies cement mortar or other plastics materials. This lining is produced to form protection layer with very high dimensional accuracy and surface smoothness. Uniform thickness of lining is ensured with extremely close tolerances for the ID and the surface finish is of high quality. The lining material is supplied through a rotating hollow shaft by an angular nozzle (4) under preselected pressure against the pipe inside surface. The hollow shaft (3) rotating speed is steplessly adjustable. The nozzle (4) has a scanning roller (6) which is in contact with the inside wall of the pipe which is not yet coated. A smoothing device (5) trails after the nozzle whose distance from the pipe inside surface is controlled and held constant by scanning roller (6).
Patent DE-2641972-A1 (DE)
Title: Combined electronic watch and cigarette lighter - has digital LED display in side of electronically ignited gas lighter with common battery
Inventor: OHUE HIDEKI
IPC: F23Q2/32
Filed: 1976-09-15
Abstract: The digital electronic watch is combined with a gas cigarette lighter, the watch display module (7) positioned adjacent the lighter flame. A battery is incorporated in the gas lighter (31) and is also used as the supply battery for the watch circuit. The watch display module (7) uses a liquid crystal display and is inserted in the front face of the lighter beneath the flame source, at the top of the lighter. An oscillator may be coupled to both the watch circuit and via a transformer to the HF ignition circuit for the lighter flame.
Patent DE-2656512-A1 (DE)
Title: Precoat plate filter esp. for water treatment - has spacers with outer support rims and passages for filtrate through centre
Inventor: EICKEMEYER HEINZ
IPC: B01D29/39
Filed: 1976-12-14
Abstract: Precoat filter consists of individual filter plates consisting of mesh type support over which a filter clot is drawn. These are kept apart by means of distance pieces and held in a bundle by at least one tie bar. The filter cloths have at least one filtrate outlet opening and both the space and the cloth have openings for the tie bar. At least one of the spacers has run off lines for the filtrate. The spacers consist of elongated hollow frames extending over most of the length of the plates. This has an outer rim which seals tightly on the outer face of the filter cloth. It is pressed against a sealing device on the inside of the filter cloth. Each spacer has several open spaces in its cross section to take the tie rod or rods, also it has at least one opening for filtrate. Used esp. for water treatment. The spacer gives more uniform coating of the filter cake and cleaver backflushing for large surface filters, esp. elongated, narrow rectangular filter plates.
Patent DE-2701017-A1 (DE)
Title: Retractable control knob for domestic appliances - has easily read marker ring moving axially to lie flush with panel when not in use
Inventor: BOHNET ARMIN
IPC: H01H3/08
Filed: 1977-01-12
Abstract: The retractable control knob for domestic appliances such as cookers, washing machines etc., consists of a milled disc (2) with a neck (3) which is enlarged to a sloping shoulder on which is engraved a series of numbers or other markings (4). The marker ring is attach ed to the barrel of the control knob which operates the switch, simmer-stat or gas valve etc. When not in use, the control knob and barrel can be pushed inwards through an opening in the control panel (7) until the knurled wheel is flush with the panel. This gives a flat surface to the control panel and thus makes it easy to clean. The positioning of the control setting marks on the tapered part of the barrel make them easy to read from above.
Patent DE-2705451-A1 (DE)
Title: Blind rivets mfr. using pressure - which have axial bore while end of shaft can be spread
Inventor: GUENTHER LOTHAR
IPC: B21K1/60
Filed: 1977-02-10
Abstract: A cylindrical piece of raw material (8) is placed in a cylindrical matrix. A rivet head is preformed on the material with a first stroke of the press, while at the other end of the material three equispaced slots are partially formed. With a second stroke of the press the rivet head is finished, while it is provided with a central bore. The three slots are at the same time elongated and finished. The rivet is now placed in a second cylindrical matrix, in which the bore in the rivet head is elongated by a third stroke till it reaches the slotted end of the shaft. The slots will be closed again during this stroke due to material displacement.
Patent DE-2707023-A1 (DE)
Title: Eddy current measurement of surface roughness of nonferrous metals - uses Clapp oscillator and compensates conductivity effect using test coil and adjustable capacitor
Inventor: ROEDEL GERD DIPL ING
IPC: G01B7/34
Filed: 1977-02-18
Abstract: The device uses the eddy current method to measure the surface roughness of non-ferrous metals, particularly electrolytically deposited copper. The analogue frequency measurement uses a Clupp oscillator, so adjusted that for a smooth surface the test probe registers a frequency of 1 MHz. To compensate for the oscillator is used in a feed back loop. Induction changes in the test cost (7) cause determining of the oscillator which is compensated by an adjustable capacitor (6). The capacitor is calibrated in terms of smoothness depth (Rp).
Patent DE-2709182-A1 (DE)
Title: Fixed knot tie - which may be cleaned and loosened without losing its hand-tied appearance
Inventor: KOETTGEN RICHARD
IPC: A41D25/04
Filed: 1977-03-03
Abstract: Fixed-knot tiw is capable of being cleaned and loosened its "hand-tied" appearance by providing the tie adjacent the fixed knot with laterally extending neck portions associated releasably with an elastic or non-elastic adjustable portion and a hook respectively.
Patent DE-2710205-A1 (DE)
Title: Roasting lime in shaft furnace heated by burning rubbish - with automatic addn. of other fuel depending on heat content of rubbish
Inventor: WEBER PETER DIPL CHEM DR
IPC: C04B7/44
Filed: 1977-03-09
Abstract: Lime is roasted in a shaft furnace using recirculated gases heated by the burning of rubbish with variable heat contents, and also by fuels with constant heat content, where fuels are dosed according to the heating value of the gases obtd. from rubbish. Gas from the rubbish is pref. fed only to the upper burner plane and gas from fuel only to the lower burner plane; alternatively, both gases may be fed to plane and only gas from fuel to plane. The rubbish is pref. the major fuel, and pref. includes rubber from used tyres. Gas temp. and compsn. and/or calculations can be used for dosing fuel; and a ring shaft furnace is pref. used. Many types of domestic waste, cut old tyres and plastic cuttings can be used as fuels, but a constant prod. i.e. CaO is obtd. by adding fuel according to variations in fuel.
Patent DE-2718892-A1 (DE)
Title: Fine granular material hopper - has funnel of temp. resistant sheet metal inside bottom conical portion
Inventor: KLEISA KURT
IPC: B65D88/28
Filed: 1977-04-28
Abstract: The hopper accommodates fine granular material, being particularly for the intermediate storage and de-grassing of fine granular coke through which gas containing tar is passed. Its top part is cylindrical, with an inlet in the cover, while the bottom part is a conical steel casing with fire-proof ceramic lining, the cone angle being less than 30 deg. Inside the conical portion is a funnel of sheet metal resistant to high temperatures, with a cone angle of 24-30 deg. The design is particularly for use in the Lurgi carbonisation gas-making process, combining compactness with the avoidance of caking, and allowing continuous operation with minimum shut-down time for repairs.
Patent DE-2719714-A1 (DE)
Title: Light wt. slabs filled with ground rigid polyurethane foam - using a matrix resin to obtain a smooth uniform structure
Inventor: HIPPMANN WOLFGANG
IPC: C08J9/33
Filed: 1977-05-03
Abstract: Low density slabs are made by blending chipped polyurethane foam with a binder resin and moulding or extruding the mixture to shape. The binder may be a liquid or a powder material, opt. includes a blowing agent and is expanded by the effects of heat within the mould. The binder resin may also be a polyurethane resin or a thermoplastic resin. If properly blended, a highly regular composite structure is obtained. Used for coverting recovered or scrap foam pieces to 2 regular, useful form which is coherent, e.g. for sound absorbant paving slabs.
Patent DE-2725142-A1 (DE)
Title: Broom head handle mounting - consists of conical hole with smooth or relieved inner surface
Inventor: BERGER GUNTER
IPC: B25G3/10
Filed: 1977-06-03
Abstract: The broom head, mop head or the like is provided with one or more conical holes of a suitable pitch and depth into which the handle is fitted so that it it held secure. The inner face of the hole can be smooth or with a suitable relief which increases the connection between the broom head and handle.
Patent DE-2741674-A1 (DE)
Title: Concrete component anchor piece hoisting head - has plastics disc on circular plate with loop and threaded connecting piece
Inventor: MICHEL REINHOLD
IPC: E04G21/14
Filed: 1977-09-16
Abstract: The lifting head for anchor units on prefabricated concrete components enables them to be connected to a lifting appliance for transport or installation; it incorporates eye-loop and connecting piece. The loop (14) is formed onto a round disc (11), which has a threaded botl or socket formed or welded on a connecting piece (18). There is an elastic compressible plastic disc (20) on the remainder of the disc's surface. Its upper side (12) is arched in a convex shape, while the outsides of the loop are arched in a concave shape, crossing over into the disc's upper side.
Patent DE-2750564-A1 (DE)
Title: Optical information transmission system - has each cable of current distribution network incorporating optical conductor
Inventor: JACOBSSON STIG FOLKE
IPC: H04B10/80
Filed: 1977-11-11
Abstract: The optical information system is used to supply information to subscriber points (21) within a building (8). A current distribution network has a distribution station (1) coupled to a main station (5), for supplying power to the electrical installations within a building (8). Each of the distribution lines (3, 4, 7, 10) of the current network includes at least one current cable, with at least one of the latter incorporating an optical conductor for the optical information system. The current cable (4) incorporating the optical conductor or pref. runs between the distribution station and transfer information between an input point (16) and a local transmission point (17).
Patent DE-2755743-A1 (DE)
Title: Early detection of operating disturbances in industrial system - using device to monitor ambient air of system continuously for foreign gases
Inventor: KUALES VON WINDAU PETER G
IPC: G08B23/00
Filed: 1977-12-14
Abstract: On the device for early detection of operating disturbances in an industrial system a metal oxide semiconductor sensor (23) round which foreign gases (10) can circulate is arranged in a Wheatstone bridge (27). An alarm (33) is triggered when the output signal from the bridge exceeds a preset threshold valve. The temperature of the sensor may be adjustable and it may be connected to a free-burning device (25) supplying an adjustable pulsating heating current. The sensor may be arranged in a chamber (17) connected to the space (10) surrounding the system.
Patent DE-2756869-A1 (DE)
Title: X=ray generator protection circuit - guards against changes in supply impedance by comparing actual anode voltage with desired value (NL 3.7.78)
Inventor: WACH PAUL PROF DIPL ING DR TEC
IPC: H05G1/32
Filed: 1977-12-20
Abstract: The electrical protection circuit is used for protection of an X-ray generator against changes in the impedance of the supply. It has a comparator (5) which is used for comparison of the actual anode voltage with the wanted anode voltage. The comparator output operates cutout switches. It is able to trigger optical or acoustic alarms when the two voltages being compared differ by an unacceptable amount. The warning system illuminates a different light depending on whether the anode voltage is too high or too low.
Patent DE-2758835-A1 (DE)
Title: Sensors for measuring efficiency of catalytic waste gas converter - having solid electrolyte with two electrodes mounted before and after catalyst bed
Inventor: FRIESE KARL-HERMANN DIPL PHYS
IPC: F01N11/00
Filed: 1977-12-30
Abstract: Sensors are for monitoring the action of catalytic exhaust gas convertors. At least one sensor consists of two electrodes with a solid electrolyte between. At least one is separated from the gas stream by means of a gas diffusion zone. One of the electrolytes used can be catalytically active. The sensor consists of a hollow body formed from a solid electrolyte: Inside this is mounted a common counted-electrode for both sensors. The secondary electrodes are separated from this electrode by a layer of insulation. Used for checking the effectiveness of catalytic purifiers on the exhaust gas from i.e. engines.
Patent DE-2800139-A1 (DE)
Title: Calcification detector for water vessel or pipeline - uses two contacts with wedge-shaped separation gap whose contact resistance controls electronic display
Inventor: PATOMMEL FRITZ
IPC: A47J31/54
Filed: 1978-01-03
Abstract: The calcification detector e.g. in a hot water circulation system, uses an electronically-controlled display and/or signalling device. The interior of the water vessel (1) or pipeline contains a contact set with two contacts (11, 12) separable by a given surface contact pressure and defining an approx. edge-shaped separation gap (15, 16). The resistance across the contacts is used to indicate calcification for controlling the display and/or signalling device (24). Pref. the contact set uses two springs blades (11, 12), at least one having a V-shaped notch (13, 14) facing inwards toward the other spring blade.