baber/WOPTO huggingface dataset:
Patent DE-2339640-A1 (DE)
Title: Stretching anchor for large circular tent - is used for stretching holding ropes of roof
Inventor: DOLLANSKY ERICH
IPC: E04H15/26
Filed: 1973-08-04
Abstract: The anchoring arrangement for stretching the circular tent roof which has a central column is a stiff ring which encloses the circular roof. The stretching topes are connected to the central column and to this ring. The central column is moved vertically by hydraulic arrangement. The anchoring ring for rope ends is placed on vertical members so that this ring is held at a certain height above the ground. This ring can be made as a polygon and welded together from lengths of tubes. The sides of the polygon correspond to the number of sections of the circular roof. The connecting brackets are welded to the function of two pipes. This method for stretching circular roofs can be used for very large circus tents. This method facilitates rapid erection of large circus tents and the stretching loads are uniformly applied.
Patent DE-2339883-A1 (DE)
Title: Broadband power amplifier for microwaves - uses thrust block for firm contact of transistor base and emitter lugs
Inventor: HEINEMANN ARMIN DIPL-ING
IPC: H03F3/60
Filed: 1973-08-07
Abstract: A broad-band power amplifier for microwaves is as in 2009141 and contains in a casing a transistor with two matching networks. A satisfactory contact for the emitter and base lugs of the transistor is achievable only by extremely fine tolerances. This can be obviated by using a thrust block between the casing and the transistor. This is urged by a setscrew to press with two projections against the transistor lugs. The pressure between the transistor and the thrust block can be adjusted at will by tightening or releasing the setscrew.
Patent DE-2350741-A1 (DE)
Title: Portable inflatable electric hood hair dryer - has frame containing electrical and mechanical parts supported by the shoulders of the user
Inventor: MIELKE JUERGEN
IPC: A45D20/18
Filed: 1973-10-10
Abstract: The hair dryer comprises a flexible double-walled inflatable hood which is detachably mounted on a plastics support frame which is designed as a horse-shoe shaped hollow body to contain the motor blower and all the relevant electric wires and control members. The back of the support frame which is to rest across the back of the neck has a larger diameter than the side parts and also contains air intake openings. The motor blower and heater are also mounted in this part whilst a warm air outlet pipe is attached to the top of the frame and opens into the hood, the inner side of which has apertures leading into the drying area around the hair. The side parts of the frame may be connected to the neck support part thereof by swivel pins so that after use they can be folded into the neck support for neat and easy storage.
Patent DE-2351245-A1 (DE)
Title: Miniature water softening bottle - of transparent plastics with long narrow neck for intensive ion exchanger/water contact
Inventor: BALTZER EUGEN
IPC: B01J47/012
Filed: 1973-10-12
Abstract: A miniature wate softener based on ion exchangers for replenishing steam irons and batteries is a shaking bottle made of transparent plastics material. The neck of the bottle is long and narrow so that the water has to pass through a long ion exchanger resin mass before it is extruded from the nozzle. This reduces the normally required shaking time from say 2 minutes to 15 enconds, because of the action of the resin layers in the long neck being super-imposed on the shaking action.
Patent DE-2355880-A1 (DE)
Title: Sheet metal profile reinforced concrete slab - has embedded omega profiles with perforated web and tension flange
Inventor: FRICKE KARL-LUDWIG DR
IPC: E04B5/40
Filed: 1973-11-08
Abstract: The sheet metal reinforcing components are readily produced by bending the steel sheet into a series of loops and their assembly forms a shuttering assembly with a smooth underside. The profiles are joined by turned over edges in the holes in ribs. The reinforcing members have upper hollow section which can have any suitable shape and it encloses a cavity. Holes are made into the web which connects the hollow section to the lower panels and these holes are used for rivetting purposes and the holes may also act as keying openings for concrete. Insulating panels can be placed on the flat metal sheets and concrete is poured to enclose the reinforcement.
Patent DE-2356679-A1 (DE)
Title: Damping circuit for vertical oscillations of linear motor - for driving vehicles has travelling field winding fed via damping regulators
Inventor: HOLTZ JOACHIM DIPL ING DR ING
IPC: B60L15/00
Filed: 1973-11-13
Abstract: This damping system is used for damping vertical oscillations of railboud traction vehicles which are levitated on the track and driven by linear motors. The damping is achieved by using the synchronous linear motor, which is actually used for driving the traction vehicle, additionally as the adjusting element for the circuit for damping the vertical oscillations; the travelling field winding of the synchronous linear motor is fed with an alternating voltage whose amplitude and phase can be varied. This alternating voltage is adjusted by means of a static control converter on the initiation by a control signal which is provided by a damping regulator. This regulator has a measuring element which senses vertical oscillations of the vehicle, so that the entire system is self-regulating.
Patent DE-2359555-A1 (DE)
Title: Load dependent control of electronic regulators - has pulsed regulator input used to control basic load of regulator
Inventor: PROBST HARALD
IPC: H02M3/155
Filed: 1973-11-29
Abstract: A regulating transistor is continuously subjected to a square wave input to excite an inductance. While the input pulse is positive a diode is reversed biased and only when the signal goes negative does the diode pass current from the inductance to the output circuit. For a brief period before the next input pulse appears, the diode passes no current and a fixed voltage is passed to the output circuit over a filter capacitor. While the regulating transistor is open, a coupled transistor is closed and the base resistor is loaded for a brief period.
Patent DE-2360305-A1 (DE)
Title: Fuel saving storage bricks - sun heat stored in glass bricks filled with crystalline soda
Inventor: MARCUS JOACHIM
IPC: E04C1/42
Filed: 1973-12-04
Abstract: Filled building bricks for storage of sun heat for regeneration during cold spells consists of a glass box filled with crystalline soda, Na2CO3. 10H2O. The bricks can be made specially for outdoor or indoor use by adapting the surface layers to the various requirements. A considerable saving can be made on conventional fuels.
Patent DE-2363408-A1 (DE)
Title: Press-moulded plastics sheet with highly polished concave surface - esp. for use as skittle-or bowling alleys
Inventor: CORDES HELMUT
IPC: A63D1/04
Filed: 1973-12-20
Abstract: In the method of the parent patent, a highly polished surface of the chamfer of a press-moulded plastics plate is obtd. by convexly shaping a flat plate (having rectangular cross-section), using a suitably convex matrix, and then machining the underside of the shaped plate. In this Addition lengthwise slots are applied to the underside of the flat sheet into which tensioning braces are set for forming the chamfer, corresponding to the matrix. The depth to which the braces are set into the plate depends on the desired chamfer. The ends of the braces are planned off during the machining of the underside of the plate. The skittle or bowling alleys made from the prods. are resistant to variations in weather and temperature. The braces ensure complete dimensional stability.
Patent DE-2365158-A1 (DE)
Title: Lifting frame suspension system - has chains in pairs joined by cross-members attached to opposite sides
Inventor: RIGHI EDUARD
IPC: B66F9/07
Filed: 1973-12-29
Abstract: The system is particularly for use with a stacking machine, and consists of pairs of chains, those in each pair being joined by cross-members. These are attached to two or more opposite sides of the lifting frame and raised and lowered by drive mechanisms. The cross-members can be in the form of flat iron strips, welded to the outer parts of the individual chain links. Opposite pairs of chains can be reeved round guides and coupled to horizontal haulage chain drives, one pair being attached to the bottom and the other to the top run of the haulage chain. The guides can be sheet metal, bent into sector shape, the chains being of the roller type.
Patent DE-2402707-A1 (DE)
Title: Vacuum degasser for liquids - comprising single vessel with distributor tray and one or more sieve trays
Inventor: NABHOLZ HANS-ULRICH DR
IPC: B01D19/00
Filed: 1974-01-21
Abstract: Degassing vessel contains distributor tray with protruding vertical tubes to distribute liquor across the vessel. Supported below this with a gap from the vessel wall is an inner cylinder of perforated metal which acts as a support for >=1 sieve trays. A vacuum branch is provided on the wall of the vessel above a cooling jacket and the area of the inner cylinder falling this branch is not perforated. The distributor tray is mounted directly to the inner vessel. This gives uniform degassing at all liquor flowrates.
Patent DE-2403042-A1 (DE)
Title: Maleic anhydride prodn - by catalytic oxidn of butane with a small excess of air
Inventor: EVANS FRANCIS EUGENE
IPC: C07D307/60
Filed: 1974-01-23
Abstract: Maleic anhydride is produced with very low by-product formation and no explosion risk by catalytic oxidn. of butane (pref. n-butane) with air, the ratio of air to butane being 5:1 (pref. 3.5-4.8:1, esp. 4.7:1). The reaction is pref. effected at 300-600 degrees C in the presence of a V and/or Mo oxide catalyst.
Patent DE-2404280-A1 (DE)
Title: Column mounted switch for car - with snap fastening for switch and cover half shells
Inventor: DONNER HARALD
IPC: B60Q1/00
Filed: 1974-01-30
Abstract: The column mounted switch has a main switch plate which is fitted to the steering column by means of profiled grooves. The plate has moulded cut-outs to locate the fitting tags on the switch with the cut-outs and tags shaped to provide a secure fitting without requiring screws. The two half shell covers are likewise fitted with tags which clip the shells into place. The whole switch assembly is fitted together rapidly without any screws and is easily opened for repairs. The use of plastic mouldings reduces the cost and improves the simplicity of design.
Patent DE-2408855-A1 (DE)
Title: Continuous casting of metals - where support rolls pivot out of the path of a travelling flame-cutting burner
Inventor: JOHN CARL
IPC: B22D11/126
Filed: 1974-02-23
Abstract: Damage to supporting elements located at regular or irregular intervals along a continuously cast metal billet, by the jet of a flame-cutting burner travelling along with the billet, is avoided by the support elements being pivotted to a parallel position out of the path of the approaching burner. During the approach of the burner the support element either moves in the opposite direction to the billet at increased speed or in the same direction as the burner at the min. speed of the burner trolley alongside the slag cone and, after the burner jet passes, the support element either follows the burner at the max. speed of the burner trolley, or at an increased speed in the opposite direction to the billet, back to its original position. The support elements, i.e. rolls pivot in either a clockwise or anti-clockwise direction and then return after the burner has passed.
Patent DE-2410969-A1 (DE)
Title: Shaping the surface of coatings on sweets - and esp chocolates, using compressed air jets
Inventor: STEINHART GILBERT DR ING
IPC: A23G3/28
Filed: 1974-03-07
Abstract: A device for shaping the surface of the still soft or liq. coating on chocolates as they are carried on a conveyor belt from a coating machine to a cooling passage consists of single slot--shaped nozzle or a number of circular nozzles attached to a manifold and extending over the whole working width of the conveyor belt. The nozzles are connected to a source of compressed air whose flow is controlled by the opening and closing of a shut-off valve in response to the output from a timer at regular intervals. The arrangement does not require the frequent cleaning associated with mechanical shaping tools on which a build-up of chocolate takes place.
Patent DE-2411298-A1 (DE)
Title: Warp knitting mm machine sinker plate support - provided with thermal expansion compensating support member of aluminium alloy or spring steel
Inventor: SCHMID REINHOLD
IPC: D04B27/00
Filed: 1974-03-09
Abstract: Knock-off sinker plate support in a warp knitting machine is provided with a thermal expansion compensating support member which is bolted to the support. Thermal stress build up in the support is prevented by allowing free longitudinal expansion. Pref. the support member which is made of an aluminium alloy or spring steel includes a bride portion mounted on a spigot of the machine frame.
Patent DE-2411346-A1 (DE)
Title: Processing aq acid phosphating sludges - by mixing with magnesium (hydr)oxide and pref magnesium salts
Inventor: HAUFFE DIETER
IPC: C02F11/14
Filed: 1974-03-09
Abstract: Aq. acid slugdes from metal phosphating plant are neutralised and detoxified by mixing with MgO and/or Mg (OH)2, pref. in the presence of a water-soluble salt of Mg with anions of a strong acid, e.g. MgSO4, MgCl2, Mg(NO3)2. A pH =9 is maintained, even when using neutralising agent in excess of stoichiometric.
Patent DE-2413163-A1 (DE)
Title: Engine propeller drive for twin boom aircraft - has twin contrarotating propellers angled one to the other
Inventor: KRUEGER EBERHARD
IPC: B64C11/46
Filed: 1974-03-19
Abstract: A twin propellor motor unit for twin boom aircraft has an engine driving a pair of contra rotating twin bladed propellors and shafts set at an angle to one another. The tail boom carries a twin rudder system and the propellor angle is so related that the slip stream from the propellor partially strikes both side boom and rudder. The angle of the drive shafts can be chosen so that the propellor blades actually intermsh. The propellors are powered from the same drive shaft, and each propellor which is a double bladed type, rotated to be 90 deg. out of synchronism with the other. The drive can be transmitted through a level gear arrangement.
Patent DE-2413373-A1 (DE)
Title: Funnel shaped absorption chamber for aerial testing - with a cone shaped reflector round the exciting aerial
Inventor: HOLLMANN HEINRICH DIPL ING
IPC: H01Q17/00
Filed: 1974-03-20
Abstract: The exciting aerial is located at the narrow end of a reflector which is a part cone. This reflector is fitted into the matching end of a similarly funnel shaped absorption chamber. The diameter of the larger end of the reflector, and the distance between this end and the phase centre of the exciting aerial is chosen such that the radiation pattern in the region containing the test aerial gives a homogeneous field. Inside the reflector various sizes of aerial to give different frequency bands can be accommodated in an axially variable position.
Patent DE-2414149-A1 (DE)
Title: Moulding foam plastics without pressure drop - by injecting gas into returned excess material
Inventor: SCHERER HEINZ
IPC: B29C44/42
Filed: 1974-03-23
Abstract: In the parent patent structural foam mouldings are made using a soft thermoplastic mass containing foaming agent, a pressure higher than that of the foaming agent, filling the mould with this material and then reducing pressure to below that level, allowing excess material to escape and then returning it. In the patent of addtn. the excess material is returned but again filled with foaming agent.
Patent DE-2422738-A1 (DE)
Title: Steel frame truss adapting-piece - as joint section with length-distributed screw holes for abutting joints extension
Inventor: DUGGEN RAINER
IPC: E04C3/06
Filed: 1974-05-10
Abstract: The adaptor piece is for use in hangar and hall-type structures, for prolongation of the bolts and raising the stems of steel frame trusses. It is in the form of an abutting-joint shaped-section, completely encompassing the base sections of the beams to be connected, and comprises top and bottom chords, and welded joint fishplates which surround the base sections on both sides. The top and bottom chords are bent inwards round the chords of the base section. Along its whole length there are evenly spaced screw holes, which permit a prolongation of the abutting joints of bolts and stems on the trusses, in each case by a multiple of the distance between te holes.
Patent DE-2422817-A1 (DE)
Title: Dewatering of sludges - esp. dredger sludge, using a water-permeable filter material to which suction is applied
Inventor: RIEDEMANN WILHELM
IPC: B01D29/01
Filed: 1974-05-10
Abstract: In a process for dewatering sludges, esp. mud from dredgers, in which the sludge is thickened or solidified in a basin by the removal of water, a layer of a material which is impervious to the solid particles but permeable w.r.t. water is placed on the surface of the sludge and the water which percolates through it is removed. A suction is applied to the material in order to increase the speed of the process. The process is quicker and requires less space than dewatering by natural settlement and drainage. Typical sludges can be solidified in about six hours.
Patent DE-2429116-A1 (DE)
Title: Fixing device for WC bowel - has L-section PVC ring suited to outer cross section of stand edge
IPC: E03D11/16
Filed: 1974-06-18
Abstract: Fixing device for a component with a pedestal, whose wall converges upwards at the pedestal edge, esp. for a lavatory bowl or bidet to the floor. The fixing means consists of an L-section ring in elastic synthetic material such as polyvinylchloride, whose small cross-section is suited to the outer cross-section of the bottom stand edge, whose shank which runs parallel to the floor can be stuck to the floor. The upwards pointing shank is inclined inwards corresponding to the wall at the bottom pedestal edge. The pedestal edge is inserted into the ring under elastic expansion of the ring. Specifically, the upwards pointing shank of the ring is inclined somewhat more than the pedestal wall at the pedestal edge.
Patent DE-2433730-A1 (DE)
Title: Heat-pump-assisted indoor heating installation - with pump adaptable to outdoor temperature and requisite initial temperature
Inventor: KALISCHER PETER DIPL ING
IPC: F25B29/00
Filed: 1974-07-13
Abstract: The heat plant, esp. of the type used for indoor space heating, incorporates a heat pump comprising a compressor, vaporiser, throttle valve and condenser, the heat pump (1) being adaptable to the outside temperature, or to the temperature of the source of heat, and to the necessary or desired preliminary temperature. For this purpose the volume of the working medium demanded for every time unit, and/or the compression of the working medium to be achieved by means of the compressor (2), can be regulated. The compressor may be in the form of a turbo-compressor, or an axial piston pump with an adjustable swash plate; its outlet valve may be activated by the pressure of the working medium in the condenser (5).
Patent DE-2435995-A1 (DE)
Title: One-piece clip for pipes or cables - has fixing screw held captive by sprung limb of fixing block
Inventor: HOLZMANN HERMANN
IPC: F16L3/04
Filed: 1974-07-26
Abstract: The clip (1) is C shaped and made of a hard elastic material or a suitable plastic. The thickness of the clip increases from a minimum at the rounded nose (3) to a maximum at its junction with the fixing lug (2). The fixing lug is provided with a hole (4) and a counter-bore (5) for the fixing screw (10). The lower part of the fixing lug (2) is in the form of a flexible tongue (7) which fits in a slot (6) when the screw (10) if fully tightened. When the clip is not in use the oblique attitude of the tongue (7) grips the screw (10) in the hole (9) and prevents it from being lost.
Patent DE-2438875-A1 (DE)
Title: Gas fire stop valve arrangement - comprising servo operated butterfly valve in through flow duct
Inventor: KUTZNER LUITPOLD DIPL ING
IPC: F23N3/08
Filed: 1974-08-13
Abstract: Stop valve of butterfly type is arranged w.r.t. the through flow duct, between a close and open position on a vertical centre line. Valve is protensioned by a helical spring and two stop blocks arranged at 90 deg. to each other. Motor, spiral spring and end stop switches are all housed in a detachable end unit in which the motor is (dis)engageable coupled to the stop valve. Motor unit housing has spindle which fits onto heat insulated distance piece. Protruding through this distance piece housing is a hand operated lever coupled to the valve spindle and provided with an indicator scale. Lever is lockable in the open valve position.
Patent DE-2448269-A1 (DE)
Title: Scraper chain conveyor for loading machines - has angular conveyor channel construction with two relatively swivelling sections
Inventor: WIENKOTTE HELMUT
IPC: B65G19/28
Filed: 1974-10-10
Abstract: Overlapping channel pieces (15) shaped to the profile of the channel are positioned between the swivel sections (14, 16). The channel pieces are no longer than 150 mm and have side sections whereby both side sections and the ends of the sections (14, 16) facing the channel pieces (15) each carry a coupling element (24) on their outer sides which is approx. Z-shaped. The coupler has two horizontal flanges which are bolted to flanges of the neighbouring coupler. All channel pieces (15) have a recess (15b) extending over at least the region of the channel bottom and on their other side an overlapping piece corresponding with a recess in the neighbouring channel piece.
Patent DE-2457955-A1 (DE)
Title: Spark plug with insulation covered electrode points - insulation reduces chemical and electrical erosion
Inventor: WAX BERNARD
IPC: H01T13/32
Filed: 1974-12-07
Abstract: The spark plug has electrode points covered by non-conducting material so that it is the space between them which ignites the fuel mixture. The points may produce several sparks in each ignition cycle. This solution will lessen the problem of electrical and chemical erosion which usually limits the life expectancy of conventional models of plugs and also calls for a more frequent cleaning of the points and regulation of their spacing, a sthe material covering the points is resistant to high temperatures. The central and earth electrodes may have a neutral electrode covered by a non-conducting material between them.
Patent DE-2500379-A1 (DE)
Title: Xylene-soluble epoxide resin ester prepn - by alkylene phosphorane - catalysed esterification of polyglycidyl ethers of polyhydric phenols
Inventor: BECKER WILHELM DIPL CHEM DR
IPC: C08G59/68
Filed: 1975-01-07
Abstract: Xylene-soluble epoxide resin ester prepn by esterifying polyglycidyl ethers of a polyhydric phenol with a monocarboxylic acid at raised temp. with release of water, is catalysed by alkylene phosphoranes having general formula R'3P-CR"R'" (I) (where R' are 6-12C aromatic hydrocarbyl and R" and R'" are 20C hydrocarbyl opt. substd by carbonyl, carboxyester or carbonamide gps or closed to a ring). Resin esters prepd from ethylenically unsatd fatty acids can be used in air-drying compsns and as starting materials for water-soluble resins, e.g. by reaction with maleic anhydride and neutralising. Resin esters contg. free OH can be used in stoving lacquers, together with aminoplasts. Resins resist storage, are prepd quickly and have low viscosity and intrinsic colour.