baber/WOPTO huggingface dataset:
Patent DE-2533741-A1 (DE)
Title: 11a-Chloro-6-methylene-5-hydroxytetracycline toluene sulphonate prodn. - is inter in metacycline hydrochloride prodn.
Inventor: MARUSIC RADOSLAV DIPL ING
IPC: C07C233/00
Filed: 1975-07-28
Abstract: 11a-chloro-6-methylene-5-hydroxytetracycline p-toluenesulphonate of formula (I) is prepd. by reacting a soln. of p-toluenesulphonic acid (II) in acetone-isopropanol with the reaction product obtained by dehydrating 11a-chloro-5-hydroxytetracycline-6,12-hemiketa (III) with H2SO4, then filtering off the pure crystalline (I) obtained. (I) is an intermediate for metacycline hydrochloride. (I) is obtained sufficiently pure for direct dehalogenation without converting first to free base and then to another salt. The use of expensive or hazardous HF or Hl for dehydrating (III) is avoided.
Patent DE-2542725-A1 (DE)
Title: Pneumatic conveyor pot for powdered material - has inclined ventilation grid with compressed air sweeping falling powder through base
IPC: B65D88/72
Filed: 1975-09-25
Abstract: The pressurised container is for pneumatic conveyance of powdered material. It has a sealable filling aperture at the top, and an outlet at the bottom. There is another inlet, for pressurised air, and a perforated ventilation base, with a draught caused by compressed air. The ventilation base (3) is inclined at about 10 deg. to the horizontal, and the outlet (5) is positioned above the lowest edge of the base. The inlet (6) for the pressurised air is positioned below the uppermost edge of the ventilation base, and diametrically opposite to the outlet for the powdered material.
Patent DE-2544264-A1 (DE)
Title: Hot air tunnel dryer with turbulent flow - consists of short parallel lengths with cross tunnels and has airflow periodically reversed
Inventor: HAESSLER ANDREAS
IPC: F26B21/02
Filed: 1975-10-03
Abstract: The airflow reversal system is used to eliminate the dead spots in a drying tunnel, where pockets of stationary air cause uneven drying. The tunnel is divided into short parallel lengths into which fresh hot air is admitted at several places. The ends of the parallel lengths are joined by short cross tunnels, one of which houses a fan. In this cross tunnel, and on either side of the fan, there are sets of louvres which can be opened and shut alternately, so as to reverse the air flow the fan generates in the main tunnel. With quick-acting louvres it is expected to be able to reverse the flow every 5 seconds.
Patent DE-2550875-A1 (DE)
Title: Stacking device part of mechanical loading installation - consists of brake flap, arresting system and release switch and includes stacking guide
Inventor: REICHMUTH GERHARD
IPC: B65G57/06
Filed: 1975-11-12
Abstract: The stacking device is for bulk goods packed in sacks or other piece goods. The stacking device is rigidly connected to a supply installation and is easily adjustable together with it. It consists of a brake flap of the size of the individual items to be stacked which are held by an arresting system and released by a switch installation. In addition the device includes a stacking guide fitted vertically below in the form of a triangular shaft open towards the stacking side, the height of which corresponds to the height of six individual items to be stacked. The stacking device is rigidly connected to a three-part loading band.
Patent DE-2554686-A1 (DE)
Title: Independent suspension with steeply increasing reaction - has opposing polarity permanent magnets on bump stops carried by cantilever arms
Inventor: BECKER GERD
IPC: B60G9/00
Filed: 1975-12-05
Abstract: The axle is supported at the ends of trailing arms (5) linked to the chassis and is sprung by a magnetic spring with steeply increasing reaction. The two permanent magnets (6, 7) are set with opposing polarity between the trailing arms and the chassis. This provides a light and simple suspension with a compact mounting. No complex suspension circuits are rewuired. Lateral stability is provided by cross struts (12) linked to the chassis on elastic mountings.
Patent DE-2554687-A1 (DE)
Title: Crank arrangement for multi:cylinder radial engines - has separately steadied "big end" plate, eliminating main con rod
Inventor: JAEGER VALENTIN
IPC: F16C3/06
Filed: 1975-12-05
Abstract: The crank arrangement for multi-cylinder radial engines has all the connecting rods (3), of identical construction, radiating from a common pivot plate (4) on the main crankpin (5). Auxiliary cranks (7), having the same throw as the main crank, (6), are mounted in rigid journal bearings in the casing. Their crankpins (8) run in lugs projecting from the pivot plate, and the whole assembly is so arranged that the centrelines of the auxiliary cranks lie parallel to that of the main crank. This arrangement prevents the pivot plate oscillating about the main crankpin centre and eliminates the need for a master/slave connecting rod arrangement, etc. The shafts of the auxiliary cranks - of which there may be more than 2 - can be used to drive valve gear or auxiliaries.
Patent DE-2559700-A1 (DE)
Title: Central heating controls for outside temp. responsive systems - adjusts pulse to pause ratio of system operation to suit system heat requirement
Inventor: MEIER HANS
IPC: F24H9/20
Filed: 1975-07-26
Abstract: Controls for central heating systems responding to outside temperature, include adjustable heat supply, consumer and lines to join these, the control switch controlling the on and off times as a function of outside temperature measurements by a sensor. The ratio between pulse and pause times in the operating condition of the system as such is controlled by the maximum heat requirement. If the pulse/pause ratio is held constant, the same flexibility in heat provision can be obtained by controlling the frequency of the periods during which the system is operating, as a function of the dead time or the time constant.
Patent DE-2600241-A1 (DE)
Title: Porous cladding panel esp. of expanded polystyrene - has scratch-resistant visible side of integrally moulded plastics sheet
Inventor: USINGER WALTER
IPC: B29C51/36
Filed: 1976-01-07
Abstract: A panel of porous material has a sheet integrally moulded on one side of the panel, the sheet reproducing the relief of that side of the panel. Pref. the sheet additionally extends over the four edges of the panel. The panel is of expanded plastic, esp. polystyrene. The protective sheet is typically of polyvinyl chloride. The prod. is used in particular as a cladding material for ceilings, walls or the like, having either a natural expanded polystyrene surface or an ornamental pattern on the surface. The provision of an integrally formed protective sheet makes the panel scratch-proof and enables it to be easily handled before erection while making it more wear-resistant during use.
Patent DE-2603645-A1 (DE)
Title: Mular concrete panel building - is built on fixed grid of standard precast concrete panels with interlocking reinforcement steelwork
Inventor: FENCL MIROSLAV DIPL ING
IPC: E04B1/348
Filed: 1976-01-30
Abstract: The modular building is erected using flat prefabricated panesl of fixed dimensions (SD x MW); The overal dimensions of teh modules within the building are always multiples of the unit panels. The vetical walls have an array of projecting steel bars which align in regularly spaced holes in the corresponding horizontal panels. The prefabricated panels may be modified to incorporate doorways and window openings.
Patent DE-2607765-A1 (DE)
Title: Battery-powered measurement appts. with digital LED display - has circuit board for choke, capacitor, diode, electronic switch, reference voltage supply and comparator using one third normal power
Inventor: MOELLER RUEDIGER
IPC: G01D7/00
Filed: 1976-02-26
Abstract: A measurement device has a LED display, contained in a portable unit and powered by batteries. It is compact and has low power consumption whilst enabling sensitive digital display of physical parameters. The led's (16) are supplied from a circuit contg, a choke (11), a capacitor (12), a diode (13), an electronic switch (14), a reference voltage source (15) and a comparator (17). The supply circuit is mounted on a circuit is mounted on a circuit board (10) inside the housing (1) of the unit, leaving ample space for the batteries.
Patent DE-2609671-A1 (DE)
Title: Propelling pencil with lead clamping unit - has tension element, charged by spring which resists normal writing pressure and body tip with displaceable section
Inventor: BROSS HELMUT DIPL ING
IPC: B43K21/033
Filed: 1976-03-09
Abstract: The propelling pencil has a lead clamping-and advance unit. The clamp for the lead is connected with a lead store and a press button, and is pre-tensioned indirectly by a spring via a movable sleeve, and a housing-shaped tension element. The front (16) of the tension element (10) engages on a body-sided stop (17), and is charged at the rear by a pre-tensioned spring (15), which resists normal writing tension. The element is sprung relative to the pencil body (1) by the amount (a) of a normal lead advance, and there is a stop (20) for the return movement. The body tip (2) has a section (21) which is displaceable by a multiple of the lead advance against a lead brake (26).
Patent DE-2613426-A1 (DE)
Title: Transport of metal rods and pipes from processing machine - using split slip-on ring collars for sound damping and prevention of damage
Inventor: KRAUS HANS-OTTO
IPC: B23Q11/00
Filed: 1976-03-30
Abstract: Method is carried out by gathering them together as they leave a processing machine e.g. draw bench, straightening appts. individually, then conveying them together. Before gathering, ring collars are applied to them for sound damping and to prevent damage to them. Pref. the ring collars to be applied are split, and are radially expanded, then applied to the workpieces radially after which they spring back to enclose the workpieces. The collars are slid over the workpiece from below, and can easily be removed from the workpiece axially and radially either manually or by machine.
Patent DE-2613522-A1 (DE)
Title: Wood connecting clawed joint plate - has outward profiling on claws within pointed triangular outline to form barbs
Inventor: BRUNOTTE REINHOLD DIPL ING
IPC: F16B15/00
Filed: 1976-03-30
Abstract: The clawed connecting plate, for joining pieces of wood together, has claws distributed over its surface, punched out at the edges and bent back at their base. The claws (14) incorporate outwards facing shaped sections (9-12), inside a triangular outline which tapers to a point, at the flanks coverging at an angle on the point. These profiled sections may be zig-zagged, and saw-toothed with undercut sections (17-21) towards the base. The profiled sections may be mutually offset, and the ends may be bent back out of the plane of the claws.
Patent DE-2617410-A1 (DE)
Title: Start stop system for compression ignition engine - has heater plugs with engine temp. dependent relay switches
Inventor: BERNHARDT WALTER
IPC: F02P19/02
Filed: 1976-04-21
Abstract: The engine cooling system contains a thermo bimetal switch whose contacts are wired to an indicator lamp (36) and a relay (29). The bimetal switch opens at a predetermined temp to switch off the warning light and interrupt the current flow to the small relay (28) and a supply current to a second thermo bimetal switch (34). The bimetal contacts close after a time span of 25 seconds to cause a current flow to a second small relay (41) to interrupt the current flow to the heater plugs (7) via the load relay (13). The starter motor is actuated by turning the key (9) into the second position (II). The wire from the switch (4) to the starter relay feed (51) has a junction (52) leading to the second small relay (41) to bring the contacts back into the working position and also feed the regulator relay (22) and the load relay (13). The small relays, the regulator and the load relays as well as the second thermo bimetal switch (34) are contained in a common housing.
Patent DE-2618106-A1 (DE)
Title: Sausage skin storage spindle - with discs spaced along rod and peripheral notches for gut ends
Inventor: MAYR ALOIS
IPC: A22C17/14
Filed: 1976-04-26
Abstract: Pig and sheep guts for use in the mfr. of sausages in the meat industry are stored, transported and delivered wound on an elongated core which is subdivided by discs into groves to accept one coil. Inclined notched on the periphery of the discs are used to fix the gut ends. A rod carries at regular distances, governed by spacers, the discs which are fixed by a nut at the end thread. The hexagon is inserted into a socket on an electric motor to wind up the guts between the discs. Inclined notched secure the gut ends. This is more convenient to the user than the packaging of hanks in boxes. Entangled hanks are often thrown away to save time and this is now eliminated. The guts can be reeled off so fast that 2-3 times more meat can be stuffed into sausages per unit time an one operator can be saved for each machine.
Patent DE-2618187-A1 (DE)
Title: Trifocal mirror reflector system - provides single common complementary focus and two other foci for use with lamp having multiple light sources
Inventor: LUEDERITZ WILLY DIPL ING
IPC: F21V7/00
Filed: 1976-04-26
Abstract: The trifocal mirror reflector uses mirrors with elliptical cross sections and provides a common complementary focus (f1) which acts as the centre of rotation of the rays from focal lines (f1-f2 and f1-f3 and f2-f3), in either horizontal or vertical planes. The reflector is used in lamps which have light sources placed at one or several foci. The reflector system provides a common complementary focus (f1) which is the centre of rotation of the focal line (f2-f3) about the axis (f1) perpendicular to the line (f2-f3), or the centre of rotation of focal lines (f1-f2) and (f1-f3) about the axis (f1) perpendicular the line (f2-f3), (f1-f2) being equal in distance to (f1-f3). In this case, an annular light source e.g. a fluorescent tube, may be placed along the annular focal line (f2-f3) giving a narrow circular aperture about the focus (f1).
Patent DE-2620463-A1 (DE)
Title: Milling and drying plant - with hammer mill and tube mill traversed in parallel by adjustable drying gas stream
Inventor: FASBENDER HEINZ
IPC: B02C21/00
Filed: 1976-05-08
Abstract: Milling and drying plant consists of a precrusher (an impact or hammer mill) followed by a fine grinder, both traversed in parallel by an adjustable drying gas stream. A common dust collector receives the material entrained by the drying as from both mills. The fine grinder is a tube mill which operates in a closed circuit with a second dust collector. Grit from both collectors is recycled to the fine grinder which has a bucket elevator in its closed circuit. Due to the parallel gas flow, both mills can be loaded to the optimum. The plant can process material in a wide range of moisture, grain size, grindability and abrasiveness. The plant produces an adjustable redn. ratio.
Patent DE-2621051-A1 (DE)
Title: Cyclone separating oil from gas flow - has inlet at tangent to ribbed tube projecting axially into chamber
Inventor: KRISTA FRANZ
IPC: B04C5/12
Filed: 1976-05-12
Abstract: The cyclone assembly (1) has housing parts (2, 3) screwed together and sealed by a gasket (5). The upper part (2) is provided with connection (6) through which the oil/gas mixture enters the chamber (12), fitted also with the axial tapped opening (22) connecting at a right angle to the discharge opening (8). The tapped upper part of the housing is fitted with a tube (11) consisting of a cylindrical middle part (12) extending into the parabolic chamber (13) fitted with oil drain connection (14) at the bottom. In order to be able to check whether oil is being separated from the gas, the housing can be fitted with a transparent window. The mixture inlet (6) is arranged in tangential position to the rotational surface of the chamber.
Patent DE-2622272-A1 (DE)
Title: Window demister for opening vehicle side windows - consists of wire heater on window with plug contacts which operate on window closure
Inventor: HAOUACHE GHASSAN DR MED
IPC: H05B3/06
Filed: 1976-05-19
Abstract: The window demister for vehicle side windows which can be opened and closed, consists of a window wire heater with two socket contacts to which the supply is connected from plugs on the window frame when the window is closed. A wire heater (3) is mounted on the window at the top of which are two socket contacts (2, 2a). When the window is closed these make contact with two plugs (1, 1a) mounted on the window frame and a current may be supplied to heat the window and to demist it.
Patent DE-2626671-A1 (DE)
Title: Multichannel direction finding system - combines receiver outputs in groups in radio beam networks and selects network with highest output signal for operation
Inventor: BERGANDER ARMIN DIPL ING
IPC: G01S3/46
Filed: 1976-06-15
Abstract: The multi-channel direction finding system has an antenna system consisting of N individual antennas or groups, directional or non-directional, mounted with equal spacing on a circle or an arc. They are connected through a preamplifier with a power divider each to an evaluation circuit with several h.f. networks for different direction radio beams generation. Each h.f. directional beam network adds output voltages from M (M smaller than N) different power dividers, and an h.f. distributor connects outputs of individual h.f. networks to the inputs of a certain number of receivers. The evaluation circuit detects the engaged frequency channels. Each power divider (31-3N) is connected to a single channel d.f. receiver (81-8N).
Patent DE-2635995-A1 (DE)
Title: Recirculating ball worm and wheel drive - has worm spindle with balls on helical groove contacting worm wheel
Inventor: GROSSMANN FRANZ-KARL DIPL ING
IPC: F16H1/16
Filed: 1976-08-11
Abstract: The recirculating ball worm and wheel drive has axes which intersect at a distance at any required angle. The contact between the worm and wheel is replaced by rolling friction by the balls. The worm spindle has helical grooves for guiding the balls and central bore for recirculation. This spindle has a waisted sleeve so that balls can come into contact with suitably grooved worm wheel. The balls in the worm recirculate from the worm periphery to the central bore of the worm spindle.
Patent DE-2637826-A1 (DE)
Title: Device for injecting dental prosthesis component into mould - has compressible container in guide connected with a cuvette contg. the mould
Inventor: SCHMIDT ALBERT
IPC: A61C13/18
Filed: 1976-08-21
Abstract: Appts. for injecting polymerisable material into a mould has a compressible container in a guide which is connected, via an injection duct, with a cuvette contg. the mould for a dental prosthesis mfr. A hydraulically operated piston acts upon the container so that compression occurs regularly. Used in mfr. of dental prostheses. The moulds are quickly and reliably filled with polymerisable cpd. and are not affected dimensionally. The moulding are reproducible since the device automatically maintains the working rate and/or pressure once it has been set.
Patent DE-2639177-A1 (DE)
Title: Meat paste with low animal fat content - contains emulsion of skimmed milk, vegetable oil and sepd. milk protein
Inventor: HOHENESTER HERMANN DR MED
IPC: A23L13/40
Filed: 1976-08-31
Abstract: Dietary low fat meat paste is made by: (1) working high protein, low fat meat with skimmed milk to give a uniform mass and (2) mixing this mass with an emulsion of skimmed milk, sepd. milk protein and vegetable oil, homogenising the prod. and further processing in the usual way. The meat used is e.g. beef, hare or game, the vegetable oil is wheat germ oil, sunflower oil or similar with >70% unsaturated fatty acids; and the sepd. milk protein is e.g. Na or K caseinate. Pref. the mixing ratio skimmed milk/sepd. milk protein/vegetable oil is 8/1/5. A pref. meat paste compsn. contains 44-59% low fat meat, 34-42% skimmed milk, 1-3% milk derivs. such as sepd. protein, 5-12% vegetable oil and a reaminde of water, salts, spices and other additives. The meat pastes have a considerably reduced content of animal fat in comparison with standard meat pastes, the fat largely being replaced by unsatd. vegetable oils. The prods. have a flavour comparable with that of standard pastes and can be used e.g. in sausage mfr.
Patent DE-2639488-A1 (DE)
Title: Compact camera with slider for interchangeable lenses - coupled to shutter speed control to match exposures to lens selected
Inventor: SIMON HORST
IPC: G03B19/07
Filed: 1976-09-02
Abstract: The compact camera has a flat profile and slider-mounted lenses. The slider is fitted with control tags which operate on the shutter speed control to compensate for exposure when the lens is changed. A second interlock ensures that the shutter speed is set to a value preventing shake prone exposures, esp. when the telephoto lens is slid into position. The interlock can be either electronic or mechanical. It provides a fool-proof operation for the mass-produced camera without increasing the complexity of the shutter mechanism.
Patent DE-2640184-A1 (DE)
Title: Humidifier for central heating system radiator - has porous reservoir housing sensor operating integral water supply valve
Inventor: BUCHER RENE
IPC: A62C35/00
Filed: 1976-09-07
Abstract: The central heating system for e.g. a house, uses a series of hot water radiators (14) each with a humidifier (17) mounted on top, housing a water reservoir (36) with a control valve (47) at one end, this end being connected to the water supply being pumped around the circuit. Inside the unit is incorporated a sensor to ensure that the moisture dissipated to the air is equal to the water supplied to it. This sensor consists of a cylindrical sleeve (40) acting as a filter, on the inside, in contact with the water, and a ring (48) at one end, which due to swelling resulting from contact with the water, operate the valve (47) at that end. The reservoir itself has a porous outer cylinder (37), underneath which is a collector trough (33b). The swelling effect pushes a closure disc (45) against a valve seat (46) of the control valve (47).
Patent DE-2641043-A1 (DE)
Title: Mass dyeing of synthetic polyamide(s) - using benzoxanthene or benzo-thioxanthene dyes
Inventor: OTTEN JOACHIM DR
IPC: C08K5/00
Filed: 1976-09-11
Abstract: Mass dyeing of synthetic polyamides is effected using benzoxanthene or benzothioxanthene dyes of formula (I): In the formula, X is O or S; R1 to R4 are H, halogen, OH, NO2, 1-4C alkyl or alkoxy; B is 1-6C alkylene, cyclohexylene, a -NH-, -NHSO2-, -OCH2-, or -OCH2CH2- gp., trivalent N or an opt. substd. benzene or naphthalene ring; D is a di- or tri-valent benzene or naphthalene group, an ester, amide or acyl group of an aromatic carboxylic acid with 1 or 2 rings or 1-5C aliphatic carboxylic acid, an aliphatic sulphonamide group with up to 5C atoms, or aromatic sulphonamide group with 1 or 2 rings; W is a water-solubilising group attached to B or D, consisting of -SO3H, -OSO3H, -SSO3H, -OPO3H2, -PO(OH)2 or -PO(OR5)OH; R5 is lower alkyl or benzyl; m is 2 or 2; and n is 0 or 1. Excellent stability at high temps. is obtd., esp. in the reducing polyamide melt, in which they retain their fastness. Dyes give strong, brilliant yellow shades, which can be combined with blue dyes to give green shades.
Patent DE-2641095-A1 (DE)
Title: Motor vehicle fuel tank level indicator - has immersion tube with float working with electrical line
Inventor: SCHEMPP ULRICH
IPC: G01F23/64
Filed: 1976-09-13
Abstract: The float interacts with an electrical lead which forms a resistance stage. The immersion tube has on it devices which allow rapid feed or reduced outflow of the fuel. The feed device is a valve consisting of a ball placed in a cage and the outflow device is a relatively small opening. THe valve and the opening can be positioned on the bottom of the immersion tube and the bottom can be designed as a part which is insertable in the immersion tube. The devices do not erroneously cause the tank warming light to come on in response to a tilt of the vehicle on a bend even though the tank is still sufficiently full.