baber/WOPTO huggingface dataset:
Patent DE-2556213-A1 (DE)
Title: Automatic liming of slag pots by spraying - with electric motor and eccentric transmission for nozzle at end of arm
Inventor: AALTONEN RAGNAR JACOB
IPC: B05B13/04
Filed: 1975-12-13
Abstract: Automatic liming appts. for slag pots comprises a mixing tank with feed means, an intermediate tank in which the coating material is aerated, and sprayers for spraying a coating onto the object. At one end of a lever arm is a nozzle which performs a circular movement produced by means of an electric motor and eccentric transmission. Pref. the nozzle end of the arm is lowered by means of a pneumatic or hydraulic cylinder with a bleed valve, and at the end of the lever arm opposite the nozzle is a balance weight. In the pipe system for supplying the coating material may be a magnetic valve which is controlled by movements of the arm. The nozzle can easily be lowered into a pot-shaped object, and allows uniform coating due to its circular motion.
Patent DE-2558056-A1 (DE)
Title: Hologram document recording system - secures register material firmly to document and uses reflected ray interfering with reference ray
Inventor: MORAW ROLAND DIPL PHYS DR
IPC: G03H1/04
Filed: 1975-12-22
Abstract: The system provides confirmation of identity by recording the hologram from an identity document such as a credit card onto a register, using a reference ray and one from the document. In front of a holograph insulator, the photo-sensitive register is firmly fixed to the document. The document ray, reflected from it, is directed to the register, where it interferes with the reference ray, so as to form the hologram of data to be memorised. The hologram can be developed without the registration material being separated from the document. The material can be placed in a window formed in the document.
Patent DE-2558483-A1 (DE)
Title: Thermoplastic sound-absorbing materials - of polypropylene filled with barium sulphate
Inventor: GLASER RUDOLF DIPL CHEM DR
IPC: C08K3/30
Filed: 1975-12-24
Abstract: Thermoplastic sound-absorbing materials consisting of (1) a mixt. of (a) 70-90 parts polypropylene of which less than 1 wt.% is soluble a boiling with xylene in ratio 5:95 and cooling to room temp., and (b) 30-10 parts polypropylene in which over 99 wt. % is soluble when tested as above, and (2) BaSO4 with particle size 0.1-100 mu m. The compsn. contain 5-45% (1) and 95-55% (2). Used for mfr. of sound-insulating products by usual methods (moulding, injection-moulding or extrusion) including semi-finished products for insulation of machines, vehicles, etc. Satisfactory acoustic properties are combined with good mechanical properties, e.g. elongation, shear modulus hardness, strength, tensile and impact strength.
Patent DE-2558578-A1 (DE)
Title: Filing suspension device for folder - has two sliders fitted on rail and movable between suspended and filing positions
Inventor: ROSE ALLEN J
IPC: B42F15/00
Filed: 1975-12-24
Abstract: The suspension device for folders has two sliders held on a rail and movable to and fro between a suspended position and a filing position. The sliders have on at least one end a holding projection adjoining a contraction and in addition are used to clamp flexible filing prongs for sheet material to be filed. Each holding projection (33) of the sliders (22) has a section (34) forming a hook directed oblique to the rear. Stops are fitted both to the holding rail (18) and to the sliders which prevent the sliding off of any folders suspended at an incline from the holding rail.
Patent DE-2559122-A1 (DE)
Title: Aerial direction adjustment switch - sets aerial to specified direction, has bridge circuit with resistor as actual value
Inventor: ROEDER GUENTHER DIPL ING
IPC: H01Q3/02
Filed: 1975-12-30
Abstract: Several other resistors can be inserted as reference elements. When one of the reference elements is inserted, the radio receiver or TV set is at the same time tined to the required transmitter. Switching paths of transistors are connected in series with the resistors serving as reference elements. Series circuits consisting of resistors and transistors are connected in parallel, and one of the transistors is made conducting by a switching voltage derived from the receiver tuning.
Patent DE-2606142-A1 (DE)
Title: Wood-metal door or window wing frame - wooden-shank-mounted slides set between pi-sectioned metal bar stems
Inventor: WOERNER HANS
IPC: E06B3/58
Filed: 1976-02-17
Abstract: The mainly wooden frame, for the leaf or wing of a door or window, has a T-shaped metal bar on each shank, serving as a covering batten, each such bar being expansible and contractable lengthways relative to the shanks, with the bars combining to form a covering frame. Each of the wooden frame shanks has two or more supports rigidly fixed to it, with a slide (6) which is displaceable in the plane of the frame, at right angles to the lengthways line of the shank. The dimensions of the slides and pi shaped metal bar stems permit the slide to be seated snugly between the stems thickened area to check the slide from moving away at right angles to the plane of the frame.
Patent DE-2606879-A1 (DE)
Title: Car bodywork stretch forming tool - has free standing blank with pneumatic stop and perimeter strips
Inventor: MAEDE WOLFGANG DR ING
IPC: B21D22/22
Filed: 1976-02-20
Abstract: The sheet blank preforming before clamping accommodates deep or asymmetrical stretch contouring, with reduced workhardening. An initial blank deflexion is punch or self-weight applied before full all round clamping. A freely lying blank deflects to a pneumatic stop in the die. The blank's horizontal span length increases to a sag length. Blank holder descent retains the blank between perimeter strips. A press control cam releases the depth-set stop.
Patent DE-2608701-A1 (DE)
Title: Valve for fluid operated machine tool - has sliding actuator coacting with circumferentially extending slots in sleeve
Inventor: BURROWS ROY
IPC: F16K27/04
Filed: 1976-03-03
Abstract: The valve for fluid-operated machine tools and other industrial applications comprises a cylindrical sleeve (11) with circumferentially extending slots (24-28) not more than 0.2 cm wide in the axial direction of the valve. In the sleeve is a sliding actuator (12) which coats with the slots and which has a web (14) arranged so as to cooperate with a connected slot (24) having an axial length of not more than 0.25 cm. The valve has an actuating stroke of not more than 0.45 cm. Pref. the width of the connected slots is 0.1 cm, the web has a length of 0.125 - 0.15 cm, and the valve has an actuating stroke of not more than 0.25 cm.
Patent DE-2619624-A1 (DE)
Title: Computerised distance measurement system - uses roller passing over road surface and has digital display of results
Inventor: KRUG HANS PETER
IPC: G01B3/12
Filed: 1976-05-04
Abstract: A measurement roller (1) is linked to a digital computer (2) which is also supplied with data concerning the basic measurement unit (5), or roller circumference. A program (4) in the computer processes the incoming information when a priming button is pressed, and displays it on a suitable digital display (3). Non metric displays and distances proportional to but not equal to the roller circumference movement as well as direct roller circumference movement displays are easily provided.
Patent DE-2619830-A1 (DE)
Title: Self securing collapsible towbar - has telescopic sections and spring ratchets to lock extended setting
Inventor: RODE KURT
IPC: B60D1/155
Filed: 1976-05-05
Abstract: The collapsible towbar is made in three telescopic sections, with a larger middle section. No circular cross section hollow tube is used to prevent the sections from twisting, and with the max. extension secured by stops. Clamps at each end secure to the towing points on the vehicles. The bar is erected using self locating ratchets which drive spring loaded bolts through coincident holes through the sections. This allows the towbar to be fitted in the non extended position, by non accurate positioning of the vehicles. As the towing vehicle is driven off the towbar extends and locks automatically.
Patent DE-2620727-A1 (DE)
Title: Mixing or flotation appts - has an impeller rotated on a vertical shaft below apertured, conical shroud
Inventor: O'CHESKEY THEODORE H
IPC: B03D1/14
Filed: 1976-05-11
Abstract: Mixing or rotation appts. comprises (a) a tank for holding liq. or slurry, (b) an upright draft tube disposed therein and extending into the liq. (c) an upright shaft in the tube (d) impeller blades secured to the shaft below the draft tube, (e) a downwardly inclined conical shroud located at the lower end of the draft tube extending above the blades, the shroud having holes and radially extending vanes in and on the surface thereof respectively and (f) a propeller mounted on the lower end of the shaft, which when rotated causes gas bubbles to form and flow upwards through the holes in the shroud and radially outwards towards the edge of the tank. Used for e.g. aeration, of sewage, removal of dissolved O2 from water by displacement using an inert gas, flotation sepn. of a slurry or immiscible liq. droplets in an emulsion.
Patent DE-2621638-A1 (DE)
Inventor: CSER GYULA DIPL ING DR
IPC: F02B75/18
Filed: 1976-05-12
Abstract: Each of the two separate resonance chambers (8, 9) of the fresh gas line is connected on the one hand to an expansion chamber (10) connected to the compressor (7) of the turbocharger and on the other to the assigned cylinders (1-3; 4-6). Resonance pipes (11, 12) run from opposing ends of the expansion chamber (10) to the more remote end of the respectively more remote resonance chamber (8, 9). Expansion chamber, resonance chambers and resonance pipes are of elongated design and run in the longitudinal direction of the engine. The resonance pipes (11, 12) may also run inside the expansion chamber (10) or the resonance chambers (8, 9). In this way known measures for dimensioning the resonance chamber capacity and the resonance pipe lengths in order to increase the fresh air charge of the cylinder are achieved with a space saving, so that an engine with such a fresh gas line can also be fitted in road motor vehicles. <IMAGE>
Patent DE-2622805-A1 (DE)
Title: Membrane filter of cellulose nitrate or acetate - treated by cpd. contg. free hydroxy groups
IPC: B01D67/00
Filed: 1976-05-21
Abstract: Membrane filters based on cellulose nitrate or acetate are after-treated to increase their resistance to both alcohol and steam. Treatment is effected in a sol. of a cpd. (I) contg. free CH gps. either directly after mfr. or after an intermediate storage period. Pref. (I) is a dicyane, an acid anhydride (mixt) an acid chloride (mixt) or an epoxy-based cpd. Process is effective wihout excessive embrittlement or loss of strength.
Patent DE-2623073-A1 (DE)
Title: Model train multichannel control - uses PAM and pulse width modulation to convey control signals or data to train with sliding contacts
IPC: H04B3/60
Filed: 1976-05-22
Abstract: The multichannel control, for model trains or similar applications where sliding contacts are used in the transmission path, uses pulse amplitude modulating and pulse width modulation to convey the control signals (or data) to the train (or receiver). The pulse amplitude selects the variable to be altered and the pulse width decides in the magnitude of the selected variable or vice versa. During control transmission the power supply to the train is interruped to prevent it interfering with the signals.
Patent DE-2624437-A1 (DE)
Title: Rubbish bag for vehicles - has folder containing folding bag and equipped with adhesive hanger
Inventor: BERGMANN WERNER
IPC: B65D33/14
Filed: 1976-06-01
Abstract: The rubbish bag is particularly for use in vehicles, and comprises a folder inside which a bag is fixed, folded to suit its dimensions. An adhesive hanger (12) is fixed to the folder. The folder can have an inner fold cut out to form a frame, to the edge of which the edge of the bag is glued. The fold can be cut to form a double-layer U-section a U-shaped section is stamped out, folding round the crease. Together with the other layer this forms the frame for the bag opening. The inner fold or frame can be accommodated in the folder hinged portion.
Patent DE-2624953-A1 (DE)
Title: Windscreen wiper blade mounting - has flexible plastics coupling piece with aperture to receive pivot pin and channel to receive wiper arm hook
Inventor: SCHALLER GOTTHILF
IPC: B60S1/40
Filed: 1976-06-03
Abstract: The wiper arm is provided with hooked end to grip around a pivot pin located between two shoulders of a wiper blade bracket. A coupling piece (16) is fitted between the hooked end and the pivot pin to afford a secure and easily attachable connection. The coupling piece is of flexible plastics andprivided with an aperture (20) to receive the pivot pin. The coupling piece is 'U' shaped with side faces (31, 32) extending over the bend section to form a channel to receive the wiper arm hook. The coupling piece is secured by projections (34, 35) attached by hinge strips (37) to the side faces close to the hook bend.
Patent DE-2625092-A1 (DE)
Title: Contact sheet for semiconductor devices - comprising sandwich of metal of specified conductivity with softer outer layers
Inventor: SIEWERT HORST DIPL ING DR
IPC: H01L23/492
Filed: 1976-06-04
Abstract: Metallic contact sheets with an electrical conductivity of >10 Siemens, for mfr. of contact strips in semiconductor devices, are made of laminated silver and/or silver alloys. The outer layers are designed for a hardness of 50 HV and the inner layer(s) for a hardness of >50 HV. The outer layers are soft enough to achieve a uniformly optimal surface contact between semiconductor wafer and the Mo or W thrust washers. The inner layers are hard and stable enough to prevent the metal from being squeezed out at high pressure loads.
Patent DE-2626075-A1 (DE)
Title: Bent insulated electric heating element mfr. - ensures that insulation on outside of bend requires no reinforcement after bending
Inventor: BERG HERMANN OTTO
IPC: H05B3/48
Filed: 1976-06-10
Abstract: A method of mfg. insulated electric heating elements which incorporate bends ensures that the insulation on the stretched outside of the bends requires no reinforcement after the bending process. A heating element of this kind consists basically of an inner cylindrical resistance (3) surrounded by an insulating layer which in turn is surrounded by a protective mantle layer (1). The method entails pressing a series of radial ridges (4) in the outer mantle either before or during the bending process. This affects the underlying insulating layer in such a way that undue stretching or fracturing during the bending process does not occur.
Patent DE-2634593-A1 (DE)
Title: Program controlled printed circuit board tester - includes test board monitoring test potential sequentially applied to selected series of terminal connections
Inventor: DONNISON BRIAN PETER
IPC: G01R31/28
Filed: 1976-07-31
Abstract: The printed circuit testing appts. is program-controlled. The inserted printed circuit is subjected to sequential, different potential patterns over the connection terminals. The resultants potential patterns are compared with the stipulated patterns provided by the program. A test board can be substituted for the printed circuit board under test. This test board monitors according to a special program to ascertain if a single test potential is sequentially applied to a series of terminal connections starting from a given one. It also ascertains if the other terminal connections, i.e. those not belonging to the series, remain free from this test potential.
Patent DE-2635777-A1 (DE)
Title: Telephone exchange with multistage switching panel - uses greatest possible number of common stages if second connection is required between same inlet and different outlet
Inventor: WEGMANN GERHARD
IPC: H04Q3/00
Filed: 1976-08-09
Abstract: First order selectors can be connected through the switching panel to selectors of a second and third order. When a first connection exists between first and second order selectors and a second connection is wanted between the same first order selector and a selector of a third order a route search device uses free route sections engaged by the first connection. The first and second connections exists temporarily simultaneously, and, when searching the route search device uses in preference the route sections engaged for the first connection, so that the two connections use as large as possible number of the same stages.
Patent DE-2636454-A1 (DE)
Title: Sheet material folding box - has side flaps folding into box sections with stabilising tongues cut out
IPC: B65D5/50
Filed: 1976-08-13
Abstract: The folding box is for the despatch of material in sheet form such as films etc. It is made from a flat blank of cardboard with two side flaps (3, 4) enclosing the rectangular base, and from each of which a flap (27) is cut out. The side flaps are divided into strips (19-22) by fold grooves parallel to the edges (5, 6) the end one (19) of which is folded over and fixed to the base. When each side flap if erected to form a box section, the flap (27) cut out from it is folded back against its sidewall to stabilise it in position. The tongue portion (29) of this flap can be wider than the height of the box-section formed.
Patent DE-2637912-A1 (DE)
Title: (Di)-phenoxy- (3)-alkoxy-alkanes - useful for control of insects and acarids
Inventor: KARRER FRIEDRICH DR
IPC: C07C43/263
Filed: 1976-08-23
Abstract: New diethers are of formula (I) In the formula R1 is n- or isopropyl, n-, iso- or sec. butyl. R2 is H or CH3. They are prepd. e.g by reacting Halo. CH2CH2. CHR2. OR1 with the appropriate 4-phenoxyphenol alkali metal salt. A specifically claimed cpd. 1-(4-phenoxy)phenoxy-3-isopropoxypropane, is prepd. by reacting 1-(4-phenoxy)-3-bromopropane with Na isopropoxide. (I) are pesticides for controlling various sorts of animal or plant pests and have good insecticidal activity, esp. against Musca domestica and Aedes aegypti. They can also be used for hygienic applications and for protection of stored goods.
Patent DE-2639693-A1 (DE)
Title: Pressurised heat exchanger for cracked gas cooler - has tube end plates with recessed seats for reducing weld thickness
Inventor: VOLLHARDT FROHMUT
IPC: F28F9/02
Filed: 1976-09-03
Abstract: The pressurised heat exchanger used especially as cracked gas cooler, has the tube ends welded into flared holes in the tube plates. The tube plate acts as compensator for the longitudinal expansion of the tubes. The connection between the tubes and plates are economical to make and they are readily repaired. The heat exchanger is used at high temperatures and pressures. A tube palte (7) is provided on free face with a recessed seat (14) concentric to the tube (9). this seat (13) is connected to the flared hole (16) into which tube (9) is welded. The welded joint is confined to the depth of the flared hole and the weld hence does not reach over the full depth of the tube end plate.
Patent DE-2640520-A1 (DE)
Title: Overflow pipe for washing machine tub - has a weighted or spring-loaded cover or valve , to prevent unnecessary escape of steam
Inventor: STEINSTRAETER FELIX
IPC: D06F39/08
Filed: 1976-09-09
Abstract: The system prevents steam escaping through the overflow outlet and causing condensn. in the kitchen, while still leaving an effective overflow. The overflow is fitted with a spring- or gravity-loaded barrier to the passage of steam. A cover, which is free to turn on a horizontal axis and which hangs under its own weight, is placed so as to cover the oblique end of the overflow pipe; or the pipe may terminate in a vertical section contg. two valve closers which would float away from their seatings if water were to rise in the pipe.
Patent DE-2641629-A1 (DE)
Title: Filter assembly with horizontal sleeve filters - for removing dust from gases, the sleeves being stretched tight by internal spring supports
Inventor: MARGRAF ADOLF DIPL ING
IPC: B01D46/04
Filed: 1976-09-16
Abstract: A filter assembly with horizontal sleeve filters, consists of two chambers sepd. by a vertical perforated wall. The first is the dust filtering and collecting chamber and the second is the pure gas chamber. The horizontal filter sleeves are fitted in the first chamber such that their open ends coincide with holes in the perforated sepg. wall. Each sleeve is supported internally by a rod and helical spring which extends the length of the sleeve. The filter sleeves are claned by a counter-current of pure gas. The replacement of the filter sleeves in the assembly is simple and cheap. This mounting of the filter sleeves avoids pleating in the sleeves without loss of filtering area and without the need for further stretching devices.
Patent DE-2643331-A1 (DE)
Title: Two-beam photometer system with modulated radiation - measures signals of pulse repetition frequency and half-frequency and determines ratio
Inventor: HUMMEL HEINZ DR RER NAT
IPC: G01N21/3504
Filed: 1976-09-25
Abstract: The photometer radiation is periodically modulated and has a receiver, or a double receiver working in the same senses. The modulation is such that radiation pulses are applied alternately to the measurement and to the reference channel. An AC signal of half the pulse frequency generated in the receiver is measured and serves as the measure for intensity difference between the two channels. An AC signal generated in the receiver, whose frequency is equal to pulse repetition frequency is also measured, and the ratio between the two signals serves as the measure for the required intensity difference.
Patent DE-2646568-A1 (DE)
Title: Pressurised coal gasification gas purification - using recycled tar oil as washing medium in cooler
Inventor: RATZEBURG WOLFGANG
IPC: C10K1/02
Filed: 1976-10-15
Abstract: Crude gas, produced in a reactor for the gasification of coal under pressure is purified by injecting in the hot crude gas liquid tar, e.g. as tar oil, which is finely distributed and evapd. In the subsequent cooling stage, the temp. of the crude gas is reduced and the tar which condenses traps the particles of dust. The process saves the consumption of wash water for scrubbers and the dust sepn. is improved considerably. Difficulties with the clarification of wash water are eliminated. The heat released in the colling stage is utilised to heat boiler feed water.
Patent DE-2649045-A1 (DE)
Title: Single-shaft multiple extruder - with female threads in housing downstream of filler hole for at least one substance
Inventor: SCHENKEL GERHARD PROF DR ING
IPC: B29C48/38
Filed: 1976-10-28
Abstract: An extruder for two or more substances or preparations, with a single shaft is equipped with the corresp. number of filler openings and of helical screw turns. At least one of the screw turns is designed as a female thread in the rotor housing, with the filler opening arranged in the area of the starting turns of the female thread. The single-shaft extruder has an overall length not greater than a normal screw press. It can be charged with each of the substances continuously with any special attachments.
Patent DE-2651530-A1 (DE)
Title: Electromagnetic coupling disc system prodn. - uses multiple stage process to unite flanged holed disc to under cut edged tube section
Inventor: PIERCE WILLIAM CARL
IPC: B23P15/00
Filed: 1976-11-11
Abstract: The uptem is for production of a coupling disc for use in an electromagnetic coupling, and has a short tube section cut off and used to form a central boss or hub. One end of the cut off tube section has its outer edge processed into an undercut pattern and then a pressed disc is prepared with a flange at right angles to the outer edge. This flanged disc has a central hole cut into it and is positioned with its aperture on the outer undercut edge of the tube section. The end of the tube section is subsequently crimped so that the two sections form a mechanically and magnetically continuous single unit.