baber/WOPTO huggingface dataset:
Patent DE-2908819-A1 (DE)
Title: Vehicle snowplough attachment support - has pair of wheels mounted in holders which can be inclined in vertical plane to compensate for surface irregularities
Inventor: SCHMIDT HANSEN HENRY
IPC: E01H5/06
Filed: 1979-03-07
Abstract: The vehicle snow plough attachment has rear support wheels each held in a retainer unit with forward-facing support arm which has its front end fastened to the plough blade rear by a vertical axle. Each retainer unit (24) carries two support wheels (26, 28) close together. Each is connected to the support arm (22) so that it can be tilted in a vertical plane about an axis (30) running across the common wheel plane. This axis lies in the area between the vertical planes through the two wheel axles.
Patent DE-2912486-A1 (DE)
Inventor: ZICHE HORST
IPC: C11D3/22
Filed: 1979-03-29
Abstract: A process for the purification of cold-water soluble cellulose ethers containing alkali metal halides consisting essentially of suspending a cold-water-soluble cellulose ether crude reaction product containing 25% by weight or more of alkali metal halides, based on the dry weight, in an aqueous solution containing from 4% to about 25% by weight of one or more water-soluble salts of acids selected from the group consisting of polybasic inorganic acids and organic polycarboxylic acids with agitation at a temperature of from 10 DEG C. to 50 DEG  C., separating the purified cellulose ether solids and optionally repeating the suspending and separating steps one or more times. The resulting material can be employed in washing and cleansing composition slurries for spray-drying. The process is especially suitable for the treatment of methyl cellulose or water-soluble mixed ethers of methyl or ethyl cellulose with a sodium sulfate solution.
Patent DE-2917038-A1 (DE)
Title: Pulse operated electromagnetic relay - has armature connected to leaf spring one end and carrying contact bridge other end
Inventor: MARCHETTI PIETRO
IPC: H01H51/16
Filed: 1979-04-27
Abstract: The relay, which may be pulse operated, or by d.c., has a coil (2) enclosing an armature (3) in line with its central axis. One end of the armature is connected to the centre of a leaf spring, so that it can only move between two end positions determined by the spring. Mounted at the other end of the armature is a bridging member for a pair of contacts (4) opened and closed in those two end positions. In an alternative design, two leaf springs are used so that the armature can move between four positions to operate four sets of contacts. The armature can be of soft iron. Excitation of the coil is stopped when the leaf spring is almost free of tension.
Patent DE-2917427-A1 (DE)
Title: Plug-in cigar lighter for vehicle - has free end of side contact loop resting against sloping end of double looped separator
Inventor: ZINK WALTER
IPC: H01R24/58
Filed: 1979-04-28
Abstract: The plug-in connector for a cigar lighter, for use in a motor vehicle has a cylindrical housing (3) with a leaf spring (5) inside the bottom with bent over ends which make contact with an end contact (10). This is mounted on the reduced diameter nose of the plug (1). From the body of the plug project the curved parts of a ring shaped side contact (11). The free end (37) of this ring rest against the straight end (38) of an S-shaped separator. The two loops of the separator fit into two circular chambers (21, 22) inside the plug body. A gap (39) between two straight parts of the separator forms a channel for a wire connected to the end contact. The two chambers form wire feed openings, each with a square hole (36) for a nut.
Patent DE-2921429-A1 (DE)
Title: 3-Carboxy-1,4-di:hydro-pyridine derivs. prodn. - by hydrolysing substd. ester, useful as cardiovascular agents and intermediates
Inventor: WEHINGER EGBERT DIPL CHEM DR
IPC: C07D401/04
Filed: 1979-05-26
Abstract: Prodn. of dihydropyridine derivs. of formula (I) comprises alkaline hydrolysis of esters (II) at 10-100 degrees C in presence of inert organic solvent and water. In the formulae, R=aryl, thienyl, furyl, pyrryl, pyrazolyl, imidazolyl, oxazolyl, isoxazolyl, thiazolyl, pyridyl, pyridazinyl, pyrimidyl, pyrazinyl, quinolyl, isoquinolyl, indolyl, benzimidazolyl, quinazolyl or quinoxalyl, all opt. substd.; m = 0-2; R1 and R2 are each H, alkyl, aryl or aralkyl. X = COOH, COR3, COOR4 or S(O)mR5; R3 = opt. substd. alkyl, aryl, aralkyl or amino (opt. N-alkyl or N, N-dialkyl substd). R4= hydrocarbyl (opt. branched or cyclic and/or satd. or unsatd). which may be interrupted by O, S, SO or SO2 and/or substd. by one halo, 1 or 2 CF3 or by a phenyl, phenoxy, phenylthio or phenylsulphonyl (themselves opt. substd). or the hydrocarbyl gp. can be substd. by pyridyl or amino(opt. substd). R5=hydrocarbyl (as R4), opt. interrupted by O and/or substd. by phenyl, phenoxy, phenylthio, phenylsulphonyl, pyridyl or amino, in which phenyl and amino gps. may be substd.; or R5= aryl (opt. substd). Y = electron-withdrawing gp.f n = 1-4. Some of the cpds. (I) are novel. (I) exhibit coronary vasodilating antiarrhythmic, hypotensive and spasmolytic effects.
Patent DE-2928530-A1 (DE)
Title: Continuous chipboard production - endless bands receive constant pressure from alternately reciprocating beams in two sets hydraulically connected
IPC: B30B5/06
Filed: 1979-07-14
Abstract: Chipboards, fibreboards etc. are continuously produced in plant with top/bottom press members, top/bottom pressure supports, and top/bottom continuous band platens. These bands pass over guide and drive rollers, parallel pressure beams lie between the pressure supports and are moved to and fro by reciprocating devices. The beams are attached (directly or indirectly) to vertically reciprocating cylinders which operate alternately two sets of beams; the cylinders of two adjacent beams have stepped pistons on one side and plunger rams on the other; the stepped piston cylinder chamber remote from the pressure beams is permanently connected to high hydraulic pressure, the chamber to the bes is connected to the cylinder chamber of the plunger rams and alternates between full pressure and nil pressure. Bands remain under constant tension, process is also suitable for surfacing with impregnated papers, pressure beams can have very small stroke (down to fraction of a mm.).
Patent DE-2933237-A1 (DE)
Title: Ball joint prosthesis component - has shank with degrees of rigidity differing over length and cross=section
Inventor: HOOGEVEEN FRANK
IPC: A61F2/32
Filed: 1979-08-16
Abstract: The artificial joint component has a pivot ball with a shank inserted in a bone cavity, the shank (6) having degrees of rigidity differing over its length and/or its cross-section. At the ball (8) end, the shank can be of relatively large cross-section, tapering gradually towards the free end, which has a rounded tip (15), and is of lower rigidity or a lower modulus of elasticity. The two sections can merge smoothly together, and the shank can have a sheath whose modulus of elasticity corresponds to that of the surrounding bone. The shank may be of a fibre-resin compound with a rigid core.
Patent DE-2933646-A1 (DE)
Inventor: BEAUCAMP KLAUS DR RER NAT
IPC: C12N9/18
Filed: 1979-08-20
Abstract: The present invention provides a process for obtaining cholesterol esterase from micro-organisms, wherein a micro-organism capable of cholesterol esterase formation is cultured in an appropriate nutrient medium in the presence of lecithin as inducer and the enzyme is obtained from the culture medium and/or from the cells.
Patent DE-2934432-A1 (DE)
Title: Tool changing device for large machine tool - has protective cover made from spring steel strip
IPC: B23Q11/08
Filed: 1979-08-25
Abstract: The main patent describes a tool changing device for a large machine tool which consists of a carriage (1) with wheels (2) running on rails (4) in a trench (3). A tool is transferred by means of a block (15) actuated by a spindle (11). This addition to the patent is concerned with a protective cover (41) of spring steel strip which is fitted over the spindle.
Patent DE-2936524-A1 (DE)
Title: Sectional maps protected by synthetic film - stacked in wallet as preselected for easy reference in automobile
IPC: G09B29/02
Filed: 1979-09-10
Abstract: Each section of a map is welded separately into a film of synthetic material and can be drawn out individually and replaced in a holder. The set of maps may be geographical, street maps, city plans, navigational maps, etc. and its holder has a transparent pocket for written data. The film is PETP or PETP and PE laminate. It can be written on with a felt tip, the marks of which can be erased by water or alcohol. The invention eliminates the need for large sheet maps which are very inconvenient in an automobile, and it limits the number of map sections to the particular zone of interest. Handling is very simple and quick in cramped conditions.
Patent DE-2937071-A1 (DE)
Title: House heat-transmission loss recovery system - blows air to peripheral surfaces to absorb heat radiated from rooms
Inventor: DENZLER HANS
IPC: F24D11/02
Filed: 1979-09-13
Abstract: The system recovers heat-transmission losses in private houses, greenhouses and other buildings. Air is blown via conduits and chambers formed in building components to the peripheral surfaces of the building, where it flows through gaps and in the process takes up heat radiated from the heated rooms. It is then sucked into a collector passage, and delivered to a heat-extraction unit, from which it is directed to the peripheral surfaces again. Air circulation can be fan-assisted.
Patent DE-2937205-A1 (DE)
Title: Canal bank mobile levelling and lining machine - has swivelling paired tool carriers in tandem, and separately driven travelling assemblies
Inventor: WANNEMACHER WILLIBALD ING GRAD
IPC: E02B5/02
Filed: 1979-09-14
Abstract: The carriage, supported outside the embankment, has a hinged transverse tool-carrier, with end position adjustment, on a lengthways machine for smoothing and cladding canal banks. A pair of tool-carriers (8,8a) are mounted on a carriage (1), one behind the other along the canal line (11), leaving a space for working platforms (13,13a). They swivel or can be adjusted together in the vertical hinge plane, and if necessary in the horizontal hinge plane independently. The sets of travelling gear (12,6) are supported on canal beds (2) and terraces (4) and can be turned, set for height, and driven, independently of each other. This can accommodate additional tools in any numbers, apart from carrying out levelling, cladding and joint cutting, and can work on curves.
Patent DE-2942918-A1 (DE)
Title: Motor-driven compass saw blade - has mounting between anchor pegs and pushed against work by sprung roller on forward stroke
Inventor: GEBHART SIEGFRIED
IPC: B23D61/14
Filed: 1979-10-24
Abstract: The blade (1) of a motor-driven compass saw has a hole (2) at one end for attachment to the driving mechanism. The other end of the blade has a hole (3) for fixing a tension spring (4). This spring presses the sloping end (5) of the blade against a support roller (6). During the working downward stroke the blade is pressed against the workpiece by the roller. During the return stroke the blade is held clear of the workpiece by the spring. This method of blade support reduces the risk of blade breakage when cutting hard materials.
Patent DE-2949713-A1 (DE)
Title: Compact dual circuit brake cylinder - has telescopic layout with pressure control ducts through fixed dividing wall
Inventor: HEINTZ HARALD M DIPL ING
IPC: B60T11/20
Filed: 1979-12-11
Abstract: The compact dual circuit brake cylinder has an inner piston (5) inside a fixed shell (31) and a large outer piston (4) sliding over the outside of the fixed shell. The layout is shorter than a conventional series layout. The two pistons are linked by control ducts (8,9) through the fixed shell and provide a simple failsafe connection to apply the full braking force on the remaining brake circuit. The inner piston has a floating mounting while the outer is linked to the pedal linkage.
Patent DE-3000476-A1 (DE)
Title: Eccentric worm pump with rotor - which is driven via shaft in hollow shaft having bevel gear drive between its bearings
Inventor: BARON LORENZ
IPC: F04C2/107
Filed: 1980-01-08
Abstract: The pump comprises a stator (2) containing a worm rotor (9), and a coupling shaft (12) which is, at one end, coupled (11) to the rotor and, at the other end (11') to a hollow intermediate shaft (13) with drive transmission (20,26). At least part of the coupling shaft is contained within the hollow shaft, and the drive assembly (20-22) drives the hollow shaft at a point between its ends, e.g. via bevel gears (26,20). The latter input shaft (21) extends at right angles to the hollow shaft from a housing (27) which contains the two pump shafts and is secured to the pump housing (1) carrying stator and rotor.
Patent DE-3007435-A1 (DE)
Title: Rotary sheet cutting mechanism - has resilient cam braking individual sheets and rollers interrupting transport synchronously with cam
Inventor: VITS HILMAR
IPC: B65H29/66
Filed: 1980-02-28
Abstract: The arrangement is intended for cross-cutting a continuously moving length of material. It comprises a rotary cutting cylinder with feed rollers upstream and a mechanism to brake the movement of the cut sheets before they are deposited on a stack. This mechanism comprises at least one brake roller (19) driven by a rotating shaft (10) and a shaft (11) carrying a roller (16) with a cam (14) e.g. a brush which rotates synchronously with the sheet movement to press each sheet against the roller (19). The shaft (10) carries at least one freely rotatable support roller (20) facing a transparent roller (15) fixed on the shaft (11). This roller (15) has a peripheral recess which is axially aligned with the cam.
Patent DE-3008955-A1 (DE)
Title: Shaft or rod sealing ring - has sheet-iron reinforcing ring coated with corrosion-resistant metal
Inventor: VOSSIECK PAUL
IPC: F16J15/3252
Filed: 1980-03-08
Abstract: The sealing ring is partic. for use as an elastic shaft or rod seal. It is made of elastomer or plastics with an inlaid metal reinforcing ring, the latter if necessary also forming the sealing ring housing. The reinforcing ring (2) is made of sheet-iron, coated with corrosion-resistant metal (5) on one or both sides. Typically it can be of sheet steel coated with aluminium with a max. thickness of 0.1mm. Where the reinforcing ring also forms the housing ring, the seal can be fitted in a machine component (6) of aluminium of aluminium alloy.
Patent DE-3010114-A1 (DE)
Title: Mine or tunnel conveyor belt platform ladder - has steps swivelling on four stringers, with detachable steel bar platform connection
Inventor: POHLE HEMULT
IPC: B66B29/00
Filed: 1980-03-15
Abstract: The platform, with guardrails, extends parallel to, and level with, a conveyor belt, in provision for mounting and descending from pref. rubber belt conveyors for personnel and/or material transport, in mining and tunnelling. The ladder (3) comprises four stringers (19,22) and board-type steps (15-18) on swivelling attachment to these. It is detachably fastened to the head of the platform via flat steel bars. These are affixed to the platform on one side, and bear the first step. Those for the rear stringer can have holes on a horizontal line, and those for the front stringer holes offset at a prescribed angle.
Patent DE-3010436-A1 (DE)
Inventor: FISCHER WOLFGANG DR
IPC: G01N27/42
Filed: 1980-03-19
Abstract: A pyridine-free Karl-Fischer reagent for the determination of water which comprises (a) a solvent solution containing sulfur dioxide and an amine in a Karl-Fischer reagent solvent, the amine being functionally equivalent to pyridine in a Karl-Fischer reagent, and (b) a titrating agent containing iodine in a Karl-Fischer solvent; the molar ratio of amine to sulfur dioxide being about 2:1 to about 1:1 and the reagent being essentially free of pyridine.
Patent DE-3012680-A1 (DE)
Title: Motorway fence using troughed sheets - has sheets secured by thin connecting members to sloping sided concrete blocks by embedded bolts
IPC: E01F15/02
Filed: 1980-04-01
Abstract: The roadway protection fence is designed to act to a certain degree as a shock absorber. It has troughed sheets (34,35) attached to supports (30) projecting from the top of reinforced concrete lower elements (40). The supports have relatively thin vertical connecting members attached to a horizontal base plate secured to the lower elements by bolts (32) embedded in the concrete. The sheets are longer than the prefabricated concrete elements, and face outwards from spacers (36) between them. The concrete elements are sloping sided blocks having a height between 0.50 and 0.70 m and their width at ground level (12) is between 0.70 and 0.90 m. The upper edges of the sheets are about 0.30 and 0.50m above the tops of the concrete elements. The faces of the concrete blocks slope backwards at an angle of between 10 and 30 degs. to the vertical.
Patent DE-3017596-A1 (DE)
Title: Welding strip ends together to make continuous metal strip - where light reflected from strip edges is used to switch seam welding roller on and off
Inventor: SCHREIBER KARL-AUGUST
IPC: B23K11/06
Filed: 1980-05-08
Abstract: The tail end of one strip is joined to the front end of another strip, esp. by roller seam resistance welding. A welding trolley is driven transversely across the joint to be welded, and the electric welding current is switched on and off by reflection from the side edges of the two strips. In the pref. welding machine, two photocells receiving light reflected from the edges of the strip are located slightly in front of the axis of the welding roller; and two more photocells are used in a similar manner with a roller employed to smooth the welded joint. A similar conventional machine uses light sources in conjunction with photoelectric cells, and therefore requires a lot of appts. which is unreliable. The invention provides a much simpler and reliable machine.
Patent DE-3024795-A1 (DE)
Inventor: FERRAI HUBERT
IPC: A61F2/14
Filed: 1980-06-30
Abstract: An object (7) which is normally strongly reflecting and in which reflections caused by an artificial light source (6) would normally lead to overexposure of a film (2), is now photographed through a partition (8) which is inserted into the camera between the film plane (3) and lens (4) and has an opening (9). The partition (8) keeps away the reflections, and a completely uniformly illuminated image appears on the film. The distances of the partition (8) from the lens (6) and from the film plane (3) can be arbitrarily selected in a wide range. Application chiefly in ocular photography for the purpose of photographing the iris of the eye with the aim of producing realistic artificial eyes. <IMAGE>
Patent DE-3025331-A1 (DE)
Title: Vehicle distance warning for drivers - using radar waves for monitoring vehicle in front with transmit and receive aerial effective within specified range
Inventor: GUGEL GEORG
IPC: G01S13/931
Filed: 1980-07-04
Abstract: The system serves as an aid to maintain appropriate distance from a preceding vehicle (A). The latter is monitored by the following vehicle (B). For this purpose a radar beam (5) is reflected from the front vehicle and transmitted again forward as an echo beam (E). The electronic evaluation of the radar transit differences takes place in a microprocessor (2.1) of the front vehicle. This evaluation considers various parameters, such as measuring sensor actual values, the vehicle speed, temperature, and traffic conditions. The evaluation results in optical and/or acoustic signal transmission, when the following vehicle is at permitted distance, or less than that, from the front vehicle. The system may be applied to stationary obstacles.
Patent DE-3032368-A1 (DE)
Title: Continuous tree-planting method - forces spoil back into trench after placing trees in position
Inventor: EHREN BERND VON
IPC: A01G23/02
Filed: 1980-08-28
Abstract: The method is for planting trees and similar plants, a planting trench of the necessary width and depth being continuously excavated. The trees are inserted in the trench at the desired intervals, and the spoil excavated is then forced back under pressure into the trench again. An initial pair of ploughshares can be used to mark out the trench width, lifting a relatively small quantity of earth out, these being followed by a main plough dividing the trench down the middle and excavating it to the desired depth.
Patent DE-3036733-A1 (DE)
Title: Laser stimulated thermionic valve - has gas or semiconductor laser cathode plus control grid and anode
Inventor: BERGER HELMUT
IPC: H01J3/02
Filed: 1980-09-29
Abstract: In the laser electron tube or valve, the cathode converts laser light to an electron stream for control by a grid between the cathode and top cap anode. For high power ratings a gas laser is used, and for lower power a semiconductor laser unit. The high power version comprises an anode (1), grid (2) and cathode plus strobe unit (3,4). The design has application in high energy physics, high power transmission and in cosmic research.
Patent DE-3039145-A1 (DE)
Title: Clock with oscillator controlled motor - has at least one stoppable hand, connected to motor via coupling whose actuator cooperates with reset mechanism
Inventor: DUBOIS GERALD
IPC: G04F8/00
Filed: 1980-10-16
Abstract: In addition to the oscillator controlled electric motor, clockwork provides the connection of the clock hands to the motor. A stop device contains a manually operable actuator. It has at least one stoppable hand, coupled to the motor by a connectable and disconnectable coupling operated by the actuator of the stop device. This actuator is in operating connection with a resetting mechanism for the stoppable hand. Pref. the coupling has a gear whose shaft is mounted, at least at one end, in a movable lever, operated by the actuator. Thus the latter operation can bring it in mesh with another gear, or provide the required disengagement. The clock may have several stoppable hands interconnected by gears and couplings such that the meshing gears remain in mesh during stopping. The hands, however, may be reset independently.
Patent DE-3041240-A1 (DE)
Title: Corner shower fitted in bathroom or cubicle - has fixer attaching handle valve unit as mixer duct on wall
Inventor: GRASSE KLAUS-PETER ING GRAD
IPC: E03C1/06
Filed: 1980-11-03
Abstract: The mixer water duct, and series of outlets, each with a corner shower valve swivelling via a ball end joint, are incorporated in a corner shower unit for building into a sanitary room or compartment. The duct is fitted on the wall (16) of the compartment (17) in the form of a grip valve assembly (11), with at least one fixing element (15). The assembly can consist of a pipe, with one end (18) closed by a dummy plug (19), and an attachment for a supply duct (23) on the other end (20). This duct can be a flexible shower hose (23) connected to the mixer assembly (32).
Patent DE-3043720-A1 (DE)
Title: Heat pump for domestic hot water - has IC engine driven compressor, with heat exchanger extracting exhaust heat
Inventor: GROHE KARSTEN
IPC: F25B30/02
Filed: 1980-11-20
Abstract: The operating fluid is circulated through an evaporator, to take heat from the atmosphere and through a condenser to transfer heat to the heating medium, by a compressor driven by a combustion engine, e.g. diesel. Warmth is also produced by intermittent operation of the engine for a period controlled by a pressostat. Parallel with the compressor is a by-pass and the line between condenser and evaporator contains a valve (3) which is closed before the engine is stopped. For starting the valve is briefly opened until the pressostat emits an impulse to switch on the engine. During starting the open by-pass is kept free of pressure until the engine has reached the speed and torque suitable for running the engine, whereupon the valve is opened, either by a timing device or a revolution counter.