baber/WOPTO huggingface dataset:
Patent DE-2238078-A1 (DE)
Title: Electrostatic images - by exposing charged photoconducting toner layer on conducting support, removing toner particles, and electrosta
Inventor: HIWANO KUNIO
IPC: G03G15/34
Filed: 1972-08-02
Abstract: Electrostatic coating of surfaces with powder esp. for formation of images is effected by (a) forming a charged photoconducting toner layer on an electrically conducting substrate, (b) exposing the toner layer to an optical image, (c) selectively removing the exposed, discharged toner particles from the toner layer to form a toner image corresp. with the optical image, and (d) spreading electrostatically a second powder with the same charge polarity as the toner layer over the surface carrying the toner image, while the remaining charged toner layer still retains a sufficient charge, so that the second powder is deposited preferentially on the exposed places of the image carrying surface.
Patent DE-2254762-A1 (DE)
Title: Composite insulating window or door frame - is made by joining metal sec-tions together with intermediate regions of insulating filler between them
Inventor: BISCHLIPP KLAUS
IPC: E06B3/267
Filed: 1972-11-09
Abstract: The parent patent describes a method of joining together metal sections or profiles, esp. for making window frames or door frames, to give an insulation member. Temporary closures are provided for the space between the metal sections, the space is filled with a setting insulating material, while the sections are externally supported, and then the temporary closures are removed. In the patent of addition, the internal space is further subdivided by partitions so that separate regions of insulation result. When the insulation has set, these partitions, together with the temporary closures, are removed. This method enables members of large size to be constructed.
Patent DE-2302000-A1 (DE)
Title: 2-hydroxy-2-(4-hydroxy or alkoxyphenyl) ethyl amines - - vascular activity
Inventor: MOLTENI LUIGI
IPC: C07C45/63
Filed: 1973-01-16
Abstract: Title cpds. are of formula: (where R = H or CH3; R1 = CH3, Cl, n-propyl, allyl or isopropyl; R2 = H, ethoxy, propyl, alkyl or Cl; R3 = CH3 or isopropyl) and their acid addn. salts. Some cpds. have vasopressor activity and others have vasodepressor activity. They may be prepd. by catalytic reduction of the corresp. alpha-amino-acetophenone.
Patent DE-2303049-A1 (DE)
Title: Sponge iron reduction - in sloping longitudinal axis rocking motion channels with heating ducts
Inventor: SCHENCK HERMANN PROF DR ING
IPC: C21B13/08
Filed: 1973-01-23
Abstract: Sponge iron is produced continuously by passage of the charge through reduction vessels which incorporates a sloping channel or gutter which describes a lateral longitudinal axis rocking motion, the tilting angle of which does not reach + 180 degrees relative to the vertical. The gutters are pref. also longitudinally reciprocated. They may be covered and have in their walls heating ducts for hot gases and have apertures for the injection of fuel/gases/air into the charge material. The process permits continuous sponge iron prodn. and avoids the difficulties arising in the provision of adequate sealing of rotary shaft kilns.
Patent DE-2318036-A1 (DE)
Title: Recovery of volatile fuel vapours - vented during tank filling, by compressing cooling and absorbing
Inventor: NICHOLS RICHARD ALLEN
IPC: B01D53/14
Filed: 1973-04-10
Abstract: Vapour lost during e.g. petrol tanker filling are recovered by separating droplets, compressing the vapour, cooling, recycling any liquid drained off, and then injecting the compressed vapour into an absorber. This is a spray vessel with a chilled petrol being recycled and into which the vapours are absorbed, incondensibles being vented. The recycling liquor is cooled by a refrigerator. Liquor collecting in the absorber is returned to main storage via the separator and a continuous feed from main storage recycles round the system.
Patent DE-2320440-A1 (DE)
Title: Microwave blood heating unit - revolving bottle with longitudinal axis perpendicular to rotational axis
Inventor: HEYNE KARL-AUGUST DIPL ING
IPC: H05B6/80
Filed: 1973-04-21
Abstract: A microwave heating device for blood in bottles from a chilled blood bank prior to use includes a holder for the bottle which grips it so that its longitudinal axis lies at right angles to the axis of rotation of the drive. A temperature probe is arranged within the drive coaxial to its axis of rotation. This design combines adequate mixing with a change of the microwave structure, resulting in a rapid and homogeneous heating of the blood. The temperature probe is very close to the blood specimen and in an area where the field intensity is almost zero.
Patent DE-2332584-A1 (DE)
Title: Axial piston pump or motor - has a drum with a number of cylinders with axial pistons and an inclined driving disc
Inventor: NEUKIRCH JOHANNES
IPC: F16H39/14
Filed: 1973-06-27
Abstract: The axial pistons are actuated by an inclined disc and a reversing disc is provided which has flow controlling holes. This disc held firmly y against the opposite end of the drum with cylinders, connects high pressure or low pressure channels. The disc is pressed against the cylinder drum and even at very high pressures reliably. The oil channel system elements simultaneously fulfill the function of contact pressure exerting pistons. Two end to end cylinder drums can be accommodated within a single housing and only one central control disc is operated by piston shaped coil channelling elements and is held against the associated cylinder drum. The assembly is accommodates within a housing with suitable orientation. The drive shafts run in bearings in the housing.
Patent DE-2337412-A1 (DE)
Title: Bis-(vinyl-sulphonyl)alkanes as hardeners - for photographic gelatine-silver halide emulsions, preventing fog or abnormal hardening
Inventor: NAKAJIMEA TOMIO
IPC: C07C317/08
Filed: 1973-07-23
Abstract: A bis-(vinylsulphonyl)-alkane (I) of formula CH2=CHSO2-(CH2)nSO2CH=CH2 (in which n = 1-8) is used as hardener for gelatino-Ag halide emulsion(s) of light-sensitive photographic recording material, esp. colour photographic material. Unlike hardeners such as K alum, Cr alum, HCHO and glyoxal, (I) does not cause fogging, desensitisation or abnormal hardening, even during prolonged storage.
Patent DE-2340071-A1 (DE)
Title: Feeding appliance for dust-laden bulk goods - collects large amount of grain, etc., before releasing small amount
Inventor: STAMP HEINZ JUERGEN
IPC: B65G69/18
Filed: 1973-08-08
Abstract: The appliance contains an inclined down tube, the outlet end of which has a sealing element, e.g. a flap. The flap is hydraulically, pneumatically, or electrically controlled, and may be fixed in at least one throttle position, between open and closed. Two level indicators are positioned at a vertical distance to each other, at the flap. A hopper may be positioned in front of the down tube. The flap is automatically closed, when the level reaches the lower indicator, and opened when it rises to the upper indicator.
Patent DE-2342949-A1 (DE)
Title: Food smoking chamber circulation control - stops movement of revolving valves in delivery ducts every ninety degrees
Inventor: SCHULZ GERD
IPC: A23B4/052
Filed: 1973-08-25
Abstract: The air/smoke mixture circulation fan of a smoking chamber for fish, sausages or meat has two delivery outlets which lead to separate perforated ducts along each side of the chamber and are continuously opened and closed by rotating butterfly valves, offset by 90 degrees. The butterfly valve drive shaft has a four-armed spider which stops the movement every 90 degrees until a time relay provides a signal to resume the rotation. This avoids the dead zone which arises in conventional smoking chambers and results in non-uniform quality.
Patent DE-2346977-A1 (DE)
Title: Shopping trolley with lockable compartment - has compartment positioned between the lower supporting arms to allow stacking
Inventor: WANZL RUDOLF
IPC: B62B3/14
Filed: 1973-09-18
Abstract: The trolley has a trapezoidal chassis, and a wire mesh basket, above it. The basket is connected, via pairs of supporting arms, to the rear corners of longitudinal struts of the chassis. The compartment is located in the space, formed by the supporting arms, and has a backward foldable door. The door has an electrical lock of the electrical door release-type. The upper edge of the basket near the handle carries a contact surface, connected to the lock. The connecting cable passes through an insulating conduit, along an upright wire rod.
Patent DE-2352853-A1 (DE)
Title: Balancing device for rotating machine tool parts - compensating device attached to chuck is operable during operation of machine tool
Inventor: KIDA KIHACHI
IPC: G01M1/36
Filed: 1973-10-22
Abstract: Compensating device comprises a hub portion which is fixed by an end plate to a rotating out-of-balance machine tool e.G., grinding disc. Within the hub portion there is disposed a rotatable shaft and a coaxial rotatable sleeve. Keyed to the shaft is an annulus rotated by the hub via gears and which includes two eccentric compensating weights. The gear is carried on the rotating sleeve and is flexibly deformable so that as a braking force is applied to the sleeve the gears move relative to one another and change the relative disposition of the compensating weights thereby neutralising the out-of-balance forces. In like manner the shaft may be braked and via further deformable gear the relative disposition of the compensating weights can be further adjusted.
Patent DE-2362093-A1 (DE)
Title: Adjustable pump regulating installation - is to keep pressure and volume constant with pressure acting on a regulating lever
Inventor: BOSCH PAUL
IPC: F04B49/08
Filed: 1973-12-14
Abstract: The regulating installation for an adjustable pump is to keep both pressure and volume constant, with the conveyor pressure acting on a regulating lever through a measuring piston subjected to a counter force and actuating a control valve. The counter force is transmitted to the regulating lever through a low friction roller link connected to the regulating lever. The regulating installation contains a spring adjusted to the nominal value of the rotating momentum and only acts with a rotating momentum on to the regulating lever.
Patent DE-2412060-A1 (DE)
Title: Electric soldering iron - has interchangeable hollow copper tip bayonet-linked and carbon insert as heating resistance
Inventor: KRONE HEINZ
IPC: H05B3/00
Filed: 1974-03-13
Abstract: The electrically-heated soldering iron has an interchangeable hollow copper or nickel tip with a compressed-carbon insert acting as the heating resistance. This insert is rigidly fixed to the inside of the tip by a metal coating. The tip locks into the end of the soldering iron by means of a bayonet device and contact is made to the carbon insert by a spring-loaded contact post pushed up axially by its spring into a hole in the lower end of the insert. The post extends right down into the body of the soldering iron.
Patent DE-2413053-A1 (DE)
Title: Flooring made of gypsum sandwich-type plaster boards - covered by layer of anhydrite to obtain high compression strength
IPC: E04F15/12
Filed: 1974-03-19
Abstract: A flooring where the underbed is in most cases covered with an absorption- and wt- distributing layer followed by gypsum sandwich-type plaster-board and a final top coating. The novelty is that the top coating consists of anhydrite or, if required, anhydrite plus fillers, and with thickness 3-20 esp. 4-10 mm. The anhydrite pref. forms a compression layer which has a compression strength at least twice that of the gypsum core in the sandwich-type plaster board, and a layer of adhesive is pref. applied esp. by painting, between the boards and the top coating. The top coating is pref. applied in a castable consistency to give an even surface which requires no hand work with a trowel. A high strength top coating is obtd. which will withstand high stresses, e.g. from wheel chairs, without breakdown, and is also simple andinexpensive to apply.
Patent DE-2414466-A1 (DE)
Title: Sausage skin closure machine - places plastic loop before percussion bolt applies metal clip
Inventor: BUCHHOLZ ANTON
IPC: A22C11/12
Filed: 1974-03-26
Abstract: The ends of sausages are closed in a machine by a metal clip, fed from a magazine and applied by a percussion bolt. At the same time, a pusher advances the straight end of a plastic loop from another magazine so that the clip is closed around the end of the loop as well. This saves an extra operation after a conventional closure. The plastic loops are stable enough to retain their shape under any circumstances.
Patent DE-2414985-A1 (DE)
Title: Key-switch for electronic equipment has elastic touch plate - deforming to allow metal-foil disc to bridge two contact strips
Inventor: LIEDTKE RAINER DR MED
IPC: H01H13/702
Filed: 1974-03-28
Abstract: The key-switch, for electronic equipment, has a thin insulating base plate with two parallel conducting strips on its top surface. The strips are separated by a narrow gap and have leads connected to them. An insulating spacing plate rests on top of the strips and has a hole in its centre. A metal foil disc sits in this hole with clearance between it and the edges of the hole and it is fixed to the underside of the elastic plate resting on top of the spacing plate. Depressing the centre of the plate causes the metal foil to bridge the metal strips and complete the circuit.
Patent DE-2421281-A1 (DE)
Title: Magnetic system for track-bound suspension vehicle control - uses two additional parallel superconducting magnet loops for stabilising effect
Inventor: MIERICKE JUERGEN DIPL PHYS
IPC: B61B13/08
Filed: 1974-05-02
Abstract: The system is for the suspended guidance of a moving vehicle, with a super-conducting vehicle loop, positioned parallel to and above a reaction rail, consisting of non-magnetic, electrically conducting material. The vehicle loop (2), and two additional parallel super conducting magnet loops (4, 6), which are at right angles to it, form a magnetic unit with a U-shaped profile. Neighbouring sides of the vehicle loop and magnet loop are of corresponding polarity. The reaction rail (8) is located between the magnet loops, at right angles to them, and consists of a laminated plate. The vertical distance between the magnet loops is larger by a few centimetres than the width of the rail.
Patent DE-2428757-A1 (DE)
Title: Optimum connecting control procedure - designed for mobile land radio networks where mobile station signals are measured
Inventor: BENNDORF HOLM DIPL ING
IPC: H04B7/005
Filed: 1974-06-14
Abstract: Mobile radio station signal measurements are continuously or intermittently made during and/or after connection build-up in several radio stations tuned to the same channel and centrally evaluated. The connection is exclusively allocated to the station with best receiver field strength. This arrangement is especially useful in regions having difficult typographical structure. The avoid interference noises, distortion or fading only one stationary radio station senses the transmission taking place at any one time. Several stationary stations are covered by only one channel. The customary connecting advantages, such as selective calling of mobile radio stations and choice of radio vehicles, remain.
Patent DE-2429970-A1 (DE)
Title: Raster exposure system for electrographic copier - uses separate raster cylinders during a second exposure
Inventor: KNECHTEL WILHELM
IPC: G03G15/04
Filed: 1974-06-21
Abstract: The original is exposed using a scanning line optical system in conjunction with a rotating photoreceptor drum. During the second exposure of the reversal process (NP process) a selected grid, raster or point pattern is projected on to the image. The grid, raster or point pattern is carried on one of several cylinders. The patterns used for the several colour separation images in colour printing are aligned at various angles to eliminate moire patterns. In monochrome copying the use of a raster improves half-tone gradation.
Patent DE-2438119-A1 (DE)
Title: Compost prodn. from organic refuse - by adding aerobic bacteria, mixing, and storing with air access
Inventor: GIESERS ERICH
IPC: C05F17/00
Filed: 1974-08-08
Abstract: Compost is produced from refuse contg. organic components by (a) separating non-organic components; (b) adding 0-50 wt. % of peat; (c) adding aerobic bacteria; (d) mixing; and (e) storing with access to air until composting is complete. The process is cheap and simple to operate, and can be applied to wastes that are otherwise difficult to dispose of, e.g. domestic refuse and sewage sludge; the prod. is odourless and has a humus-like consistency.
Patent DE-2442230-A1 (DE)
Title: High strength polyethylene films - obtd by homogenising polyethylene and peroxide in an extruder
Inventor: BUECHNER OSKAR DIPL CHEM DR
IPC: B29C48/08
Filed: 1974-09-04
Abstract: Polyethylene film is prepd. by homogenising polyethylene of density 0.916-0.932 g/cm3 and melt index 0.05-1g/10, mins. with 50-400 ppm peroxide in an extruder having sepn. of 0.1-0.5 mm between the screw(s) (themselves) and the stationary part. the ratio of minimal sepn. between moving part(s) and stationary or other moving parts:length of area of narrow slit regions in the flow direction lies in the range of 10-2-10-5. The films have high strength and low blocking props. and may be used in the sack making industry.
Patent DE-2445727-A1 (DE)
Title: Optical pen for manual scanning of digital coded data - has spherical focus and contact lens in exchangeable point
Inventor: SANSONE RONALD PHILIP
IPC: G06K7/10
Filed: 1974-09-25
Abstract: The optical pen for use in reading bar-coded labels, cards etc. in warehouses, supermarkets etc., has been designed for robustness, effectiveness and low-cost. It has a conical pointed end (14) which is screwed onto the neck (13) of a longitudinal holder and contains in its tip a small circular hole (16) holding a spherical lens (17). Inside the holder is a lamp which may be tungsten, neon or argon, and which directs light towards the point end through optical fibres. A photo-sensitive detector arranged near the lamp receives reflected light through further optical fibres, which meet the first set in a common bundle. This is arranged within the neck and point away from the spherical lens and without being in contact with the exchangeable point.
Patent DE-2447693-A1 (DE)
Title: Self adjusting guide to hold long workpiece during machining - has parallel sided passage which automatically adjusts to workpiece width
Inventor: MITTENDORF JEAN H
IPC: B23Q3/00
Filed: 1974-10-07
Abstract: A self-adjusting guide for centering long workpieces of variable widths comprises a baseplate and cover plate secured to it and a pair of fixed guide elements clamped between these two plates and having converging inner edges which define a wedge-shaped passage in the space between the two plates; inside this wedge-shaped passage, two slidable guide elements have converging outer edges which slide along the converging inner edges of the fixed guide elements, so that a change in their longitudinal position relative to the fixed elements provides a parallel-sided passage of variable width between them for the workpiece. A bolt, passing through the baseplate and cover plate, maintains the slidable guide elements symmetrical about the centre line. Tension springs (attached to brackets), esp. helical springs, bias the slidable guide elements towards the narrow end, holding them in posn. when the workpiece is withdrawn. The pref. taper of the passage is 10 degrees each side, i.e. 20 degrees. The guide is used for holding a metal or plastics workpiece for machining. Simple and automatic adjustment to the width is obtd. Alignment is positive.
Patent DE-2447704-A1 (DE)
Title: Mobile tool for rotating vehicle engine - has power driven rollers and ramps for driving vehicle on it
Inventor: KUHN HANS-PETER H
IPC: B60S5/00
Filed: 1974-10-07
Abstract: The tool has a casing mounted on castors with a handle (3) for manoeuvring it. Recessed in the casing are two rollers (4, 5) one of which is driven by an electric motor (9) fixed to the casing. The motor has a long lead terminating in a plug which can be pushed into any convenient socket in the workroom or garage. The casing also has hinged ramps (11) on either side of the rollers which make it possible for a driving wheel of the vehicle being worked on to be driven or pushed over the tool until it sits between the two rollers. The tool then turns the engine through the wheel to bring it to any required position for the operation to be carried out on it.
Patent DE-2454222-A1 (DE)
Title: Elastic cup accessory - has elastic strips at funnel opening preventing spillage of contents on overturning
IPC: B65D79/00
Filed: 1974-11-15
Abstract: The accessory is particularly for cups used by children when painting in watercolours, and avoids the contents spilling when tipped over. The cup has a screw cap, and the elastic accessory is of rubber or similar material, stretchable to suit cups of different diameters and with reinforcing components. There are two elastic strips at the funnel-shaped opening to prevent spillage taking place on overturning.
Patent DE-2455513-A1 (DE)
Title: Continuous measurement of combustion efficiency - involves central calculator system with indicator for display when burner is not operating efficiently
Inventor: RIEMER OTTO ING GRAD
IPC: F23N5/00
Filed: 1974-11-23
Abstract: The apparatus performs continuous measurement of the efficiency of heating installations or fuel powered vehicles and operates by continuous or intermittent analysis of the exhaust gases. It has a series of diverse single values displayed by means of a calculator which determines the efficiency of the system. The measurement of efficiency may be carried out either in a continuous fashion or at specific time intervals. An indication is given when a peak value is exceeded indicating that the system is not working economically. The combustion process can be controlled thus keeping the efficiency at a constant level.
Patent DE-2460438-A1 (DE)
Title: Hand-held power tool with handle mounted switch - has safety blocking device released by users finger on handle
Inventor: GROEZINGER DIETER DIPL ING
IPC: H01H9/06
Filed: 1974-12-20
Abstract: The hand-held power tool has a handle mounted, finger operated safety blocking device that must be moved before the main power switch can be operated and thereby prevents the tool accidental switching on. The blocking device (14) is moved in a plane rotated relative to the main switch operating lever (12) by the user's hand around the handle (6). A spring component (20) holds the blocking element in its rest state in the path of the main operating lever. The advantage lies in the user being able to delock the tool quickly.
Patent DE-2500285-A1 (DE)
Title: Flexible roof membrane strut connecting stretching support element - comprising threaded spindle with top clamping disc raising and bracing membrane
Inventor: BRUECHER FRITZ
IPC: E04H15/32
Filed: 1975-01-04
Abstract: The function of the structural element is to interconnect corresponding struts in such a way that a load bearing structure is produced, for support and stretching of a flexible roof membrane, which canbe raised from the substructure and braced on it. Flapping and resultant premature wear, occasioned by wind forces acting on the membrane, are reduced or eliminated. At the centre of the element (3) there is a threaded spindle shaft (2) with clamping disc (1), which carries the flexible member (7), the spindle serving to raise and stretch the membrane. The bottom open end of the spindle serves to accommodate internal insulation or cladding. Connection to the struts is effected by mutual plugging insertion.