baber/WOPTO huggingface dataset:
Patent DE-2326759-A1 (DE)
Title: Photographic paper coated with thermoplastic resin - on undercoat formed from dispersion of hydrophobic polymer and polyelectrolyte
Inventor: KEMME GREGOR DIPL CHEM DR
IPC: G03C1/79
Filed: 1973-05-25
Abstract: Prodn. of paper for photographic applications coated with a thermoplastic resin layer is improved in that an undercoat is first formed from an aq. dispersion of a hydrophobic polymer (pref. derived from an unsatd. hydrocarbon opt. chlorinated) and an organic film-forming polyelectrolyte (pref. a polymer of an acid or its salt), opt with addition of an inorganic electrolyte (pref. an alkali salt). The degradation of the thermoplastic resin during extrusion is suppressed, and adhesion of the coating to the paper substrate is improved. The coating has antistatic props. The tendency to fogging is eliminated.
Patent DE-2328646-A1 (DE)
Title: Extractor for hollow dowels - has shank carrying pivoting arm which can be passed through the dowel bore
Inventor: LIEBIG HEINRICH
IPC: B25B27/02
Filed: 1973-06-06
Abstract: Dowel is withdrawn by tightening a nut on the outer, threaded, shank end against a plate which bridges the dowel hole, and through a hole in which the extractor shank passes. The pivoting arm is carried in a slot in the extractor and has its ends bevelled so that when it meets the bottom of the dowel hole it is turned to grip the dowel. The spreader plug which is used to expand the dowel to grip the inside of the hole may be left in the bottom of the hole or may be extracted as required.
Patent DE-2330486-A1 (DE)
Title: Gas-fired continuous-flow water heater regulator - with venturi's narrowest section penetrated by variable-section control plug membrane
Inventor: ABELE HELMUT
IPC: F23N5/08
Filed: 1973-06-15
Abstract: The narrowest section of the Venturi is connected to a flow-controller's low-pressure chamber, from which the high pressure chamber is separated by a membrane acting on a gas valve via a regulating member. The control plug, preferably with a conical end, penetrating it, is axially movable, and increased thrust from its membrane enlarges the annular gap between it and the Venturi channel, for valve-dependent increase or decrease of gas supply and water flow. Constant preselected temperature increase can be for any volume of flow - as for a increase for small quantities when using a shower.
Patent DE-2336250-A1 (DE)
Title: Vehicle reverse gear selector - operates brake on input shaft to prevent speed differences when engaging reverse gear
Inventor: KNAPE DIETER
IPC: F16H63/30
Filed: 1973-07-17
Abstract: The friction between the tilted gear change fork and the reverse gear change sleeve is used as a braking effect on the gear box input shaft and only used during the actual selection of reverse gear so that a min. of additional parts are required. The reverse gear selector fork is provided with an extended bracket with a boring directed towards the reverse gear change sleeve and contng. a spring cover. The selector finger tensions the spring when actuated by the selector rod to tilt the selector fork leg so that an increased friction takes place. The spring tension is released when the gear engages.
Patent DE-2349786-A1 (DE)
Title: Knitting machine needle bed displacement mechanism - necessitating one movement of a lever only for each displacement called for by the pattern
Inventor: KOENIGHAUS SIEGFRIED
IPC: D04B15/12
Filed: 1973-10-04
Abstract: The mechanism comprises a shaft projecting through a boss in the machine base into the front needle bed, with a pinion meshing in a rack so that the bed slides on the base when the shaft is turned. On the shaft, beneath the base, a hand lever is free to turn. It has a number of indentations in which a spring loaded ball engages to lock it in place, and an eccentric rotatable on a journal between the prongs of a forked lever keyed to the pinion shaft. A half turn of the eccentric displaces the needle bed a distance equal to half the pitch of the needles, and each notch of the hand lever racks the bed a full needle pitch.
Patent DE-2353609-A1 (DE)
Title: Vacuum moulding and trimming appts
Inventor: ALROY JOHN D
IPC: B29C51/18
Filed: 1973-10-26
Abstract: Appts. for thermoforming hollow plastics articles includes a relatively reciprocable mould passing through a cutting die, the edges of which shear the flash projecting beyond the mould. Pref. the sheet to be formed is heated on an apertured plate interposed between the mould and die and blown into the mould by air passing through the apertures in the plate. The plate is withdrawn and the mould and die moved into contact to effect trimming. The article is ejected from the mould into a take-off chute. Such a trimming arrangement is comparatively simple and cheap and enables automatic stacking to be effected. In several embodiments >1 mould/die combination and/or >1 heating plate is used to increase output. In one embodiment a rotating take-off device takes articles alternately from two moulds first to one stacking chute and then, when that chute is full to a second chute.
Patent DE-2355657-A1 (DE)
Title: Stepwise irradiative curing of polymer layers - by first partly curing, then applying a protective coating, and finally completely curing
Inventor: MINATO YUKIYOSHI
IPC: B41M7/00
Filed: 1973-11-07
Abstract: A radiation-hardenable, synth. polymeric coating (e.g. a polyester prepd. from phthalic anhydride, ethylene glycol and methacrylic acid) is applied onto a substrate (e.g. hardboard) and partly hardened, by irradiation with UV or electron rays, in an atmos. contg. 0.5-21 vol.% O and a compensating inert gas e.g. N2; a film-forming polymer soln. or emulsion (e.g. PVAc, PVA, PVC) is then applied onto the partly hardened coating to form a protective layer; and partly cured stratum is finally completely cured by irradiation, in air, across the protective layer. Used e.g. for curing epoxy or polyester coatings. The process is not affected by presence of O i.e. air. Smooth surfaces are obtd.
Patent DE-2360835-A1 (DE)
Title: Non-damaging support wires for cut flowers - has open horizontal ring at top to loosely enclose stem without restricting growth
Inventor: SCHAEFER WALTER
IPC: A47G7/07
Filed: 1973-12-06
Abstract: The support wire is bent at one end into an open horizontal ring whilst thin narrow displaceable flat wires are attached along the wire so that the flower is placed alongside the wire whereupon the ring is bent round to close and the flat wires are also bent round and moved up or down to provide the best support. The flower stem is thereby prevented from wilting or bending. Particular details are included as appropriate for roses, carnations, chrysanthemums, tulips orchids and lilacs.
Patent DE-2361016-A1 (DE)
Title: Shaper for corrugated-profile flexible material - has guide channels, meshing gear wheels, and longitudinal and transverse cutters
Inventor: CIESLIK JOHANN
IPC: B21D13/04
Filed: 1973-12-04
Abstract: Shaper for flexible material with a corrugated profile has a longitudinal cutter after oppositely-movable guide rollers between which the material runs into a guide channel. Opposedly-movable gearwheels are fitted after the cutter so that their teeth mesh and the material runs between them a and into a further guide channel, on which is a cross-cutter. The machine is combined with a bender, which consists of two opposed interchangeable profiled rollers and a further roller which is behind these and is height-adjustable. The shaper is supplemented to cooperate with a suitable bending machine or edging machine.
Patent DE-2400280-A1 (DE)
Title: Adjustable pressure regulator with spiral thrust piece - has pitch of spiral corresponding to spring excursion for adjustment
Inventor: GOTTFRIED JOSEF
IPC: G05D16/06
Filed: 1974-01-04
Abstract: The spiral thrust piece can consist of a plate with a slit on one side, which is bent spirally at the point of the slit so that the pitch so obtained corresponds to the spring excursion to be adjusted. The spiral thrust piece can be fastened to a pressure pin which presses against the spring via a spring washer. The thrust piece can have a smooth adjusting surface with locking holes or stepped notches, and the spiral thrust piece can be adjusted axially by means of a sliding pin connected to an adjusting element. Corrections can be made to the range of adjustment by a jump of a turn of the spiral in conjunction with the thread pitch.
Patent DE-2401241-A1 (DE)
Title: Multi-purpose passenger vehicle - has boot drawn into passenger compartment with seats which can be moved independently longitudinally
Inventor: MOLL HANS DR ING
IPC: B60N2/06
Filed: 1974-01-11
Abstract: Car of multi-purpose construction where the boot space is drawn into the passenger compartment with two rows of seats behind each other consisting of individual seats. All individual seats can be independently moved in the seat longitudinal direction and the back seats have reclinable back rests and extensible foot supports. The back rests have cut-outs on their outside, to accommodate the rear wheel arches. The rear seats can fold forward with backrests flat so that a large flat area for carrying capacity is provided.
Patent DE-2402090-A1 (DE)
Title: Spring compensation for rail vehicle - two axle bogie has spring ends linked by lever system
Inventor: KIEWITT GUENTER
IPC: F16F1/26
Filed: 1974-01-17
Abstract: The spring (2) has its buckle connected to double link (3), (3a) and (3b). A bracket (4) is pivoted on pin (6) fixed to a bracket (5) secured to the vehicle body (1). At the lower end of the bracket (4) is another pivot (7) to which the forked end of rod (8) is connected. The rod (8) is connected to a similar link and bracket arrangement associated with the other spring. The double link is connected to the bracket (4) by a pin (9a).
Patent DE-2410378-A1 (DE)
Title: Stable air purifying plant - has hydrochloric acid added to ammonia as neutraliser in washing water
Inventor: ESCHENBACHER GUENTHER
IPC: A61L9/01
Filed: 1974-03-05
Abstract: The foul air particles are removed (absorbed) by preferably adding to the ammonia solution hydrochloric acid in order to achieve a neutralising effect. Air is sucked into the intake of the plant to a washing chamber, where water is circulated to a spray across the incoming air by a pump. The washing water is circulated from a sump in the base of the container which has an upper fresh water inlet and a lower waste outlet. The purified air then passes via a duct to a ventilator and is distributed to replace the removed air. As an alternative to the spray, a vortex chamber can be used to add the ammonia acid solution.
Patent DE-2412237-A1 (DE)
Title: Heat exchanger and condensate matter recovery for maltings - withstanding practically indefinitely the corrosive action of sulphurous acids
Inventor: HELMS ROLF
IPC: F28F21/00
Filed: 1974-03-14
Abstract: A device for the recovery of heat and condensate matter from the waste gases contg. sulphurous acids, of melt drying kilns, economising energy and minimising atmospheric pollution, comprises a heat-exchanger in the flue of the kiln house, formed by an assembly of glass plates and/or glass tubes, through which the waste gases flow vertically, whilst the feed air to the heating chamber passes horizontally through the heat exchanger which is offset to the drying floor to such a degree that no condensate can fall back on the malt. Saves from 25-30% of the annual energy costs, representing for the average size malting, a yearly saving of 600 tons of oil, and the recovery of 2,200 m3 of water.
Patent DE-2414203-A1 (DE)
Title: Adaptable plug with flat and round pins - which are mounted on separate sliders and allow rotary selection knob to push either set
Inventor: WICH ROBERT
IPC: H01R27/00
Filed: 1974-03-25
Abstract: The adaptable plug has its two round pins acted on by a first slider and its two flat pins acted on by a second slider. Both sliders have semicircular slots into which a post linked to the external rotary selection knob locates. With the knob at 0 deg., the second slider is up and the first down (i.e. the flat pins are out and the round pins in). With the knob at 180 deg., both sliders are down (i.e. both sets of pins are inside the housing). With the knob at 360 deg., the first slider is up and the second down (i.e. the round pins are out and the flat pins in).
Patent DE-2416952-A1 (DE)
Title: Automatic resetting unit for disc brake - has torsion element with curved surfaces and power-transmitting spheres
Inventor: MUELLER EWALD
IPC: F16D65/56
Filed: 1974-04-08
Abstract: The automatic resetting unit is for a pressure-medium actuated working piston, which is supported in a working piston via a resetting nut and a threaded spindle. A torsion unit turns the nut or spindle, after the free play has been overcome by the piston. The torsion unit consists of a section, which is loaded in axial direction by the stroke of the piston. The section has inclined curved surface, extending at right angles to the direction of the load, which is applied via spheres or rollers resting on the surfaces. The rollers are biased to a loaded, extended position under spring pressure.
Patent DE-2423212-A1 (DE)
Title: Combined control for headlamp and windscreen washers - with sequential washing effect to prevent wipers sharing both systems at same time
Inventor: BOETZ JAKOB
IPC: B60S1/60
Filed: 1974-05-14
Abstract: The windscreen washer system is combined with the headlamp washer system, with separate wipers on the headlamps. The system is controlled electronically w.r.t. the light switch setting. If the lights are switched on and then the windscreen washer operated for a selected time, the headlamp washer is inhibited from operating until after the windscreen washers have completed their operation. The headlamp washers then operate for a set time interval, preset by the driver. When the lights are off only the windscreen washers operate. The system prevents simultaneous operation of both washers, with an overlap of the smearing effect on both systems, while only an optimum amount of washer fluid is used on the headlamps, and none in daylight.
Patent DE-2424015-A1 (DE)
Title: Wheel-type ergometer with friction brake - performance is independent of wheel speed
Inventor: BOETTCHER LUTZ DIPL ING
IPC: A61B5/22
Filed: 1974-05-17
Abstract: Ergometer comprises a wheel (1) which is rotated by the patient and braked by a friction brake (3) of adjustable braking force, and a control device (8) which controls wheel speed (n) and acts on the brake and which varies the braking force (K) in dependence on wheel speed so that the prodt. of wheel speed and braking force will maintain a pre-set value even during fluctuations in wheel speed. The brake is actuated by an electromagnet (6), the braking force being proportional to the square of the electromagnet energising current (i). The control device includes a circuit (9) of which the input voltage (uT) is proportional to wheel speed and the output voltage (u) is proportional to the value 1 / square root n and controls the energising current.
Patent DE-2427349-A1 (DE)
Title: Electric air heater for welding thermoplastics - with air in one longitudinal and one outer spiral stream mixed together
Inventor: TOBIAS WOLFGANG DIPL ING
IPC: B29C65/10
Filed: 1974-06-06
Abstract: Air is blown into the heating chamber where it splits into two streams. One stream flows down radially distributed longitudinal slots, the other flows along the path between the turns of a peripheral spiral guide. The streams mix together more turbulently as they proceed away from the handle, thus extracting max. heat from a central heat source before issuing out of a nozzle at the end. Pref. the spiral stream has a >vol. than that through the slots.
Patent DE-2432571-A1 (DE)
Title: Device for ejecting coated chips into hopper - for chipboard prodn. with screw conveyor with discharge point travelling along it
IPC: B27N3/14
Filed: 1974-07-06
Abstract: A device for ejecting loose material, esp. for spreading coated wood chips across the width of a hopper during the prodn. of chipboard, etc., comprises a horizontal conveyor and a discharge device; this conveyor comprises a helical propulsion screw revolving inside a cylindrical barrel, itself possessing a helical discharge slit extending along the barrel, esp. from end to end, the barrel being rotably driven so that the discharge point travels across the width of the hopper. Pref. the rotational drive of the barrel and that of the propelling screw are completely independent, i.e. these two components can be driven at the same or different speeds in the same or opposite directions. The helical discharge slit pref. makes one revolution around the barrel. The unit is pref. mounted in a frame consiting of two end plates and a pair of horizontal connecting bars. This frame may also carry both drive motors and also the feed hopper into the conveyor. A uniform discharge of material across the entire width of the hopper is easily obtd. using a relatively simple mechanism.
Patent DE-2436265-A1 (DE)
Title: Switching unit for telephone exchanges - connects input to output lines using at least one electron beam in C.R.T.
Inventor: PORTSCHT RAINER DR ING
IPC: H04Q3/52
Filed: 1974-07-27
Abstract: The electron beam is deflected by a position control through a two-dimensional deflection system with free access to a target point of a switching matrix. This matrix elements are either electronic switches or control elements for them. Input and output lines are connected either directly by the charge of the impinging electrons, or after electron conversion in photons by a fluorescent layer. The connections are made in a space, time or frequency division multiplex system, or both in time and space division multiplex. The apparatus is inexpensive and modest in space requirements and is reliable in operation with long length of life, at least in normal surrounding temperatures.
Patent DE-2441037-A1 (DE)
Title: Blank for flat box construction - permits formation from oblong piece of cardboard of complete box with lid
Inventor: NAAYKENS PETURS BARTHOLOMEUS J
IPC: B65D5/66
Filed: 1974-08-27
Abstract: The approximately oblong blank for making the box has a rectangular top portion (1), and a slightly smaller rectangular base portion, (2) separated by a long strip (3) for the hinged joint with a central slit (8) to define the fold. The outer edges of the top and base and also the side edges have side taps to fold inwards to make the sides of the box, which are attached by glued joints. The inner edges of the base side walls (6) are relieved by quarter-circle shaped corners to permit easy closure of the lid and for aesthetic purposes.
Patent DE-2443390-A1 (DE)
Title: Double glazing with high thermal insulation - obtd by coating glass with metal and filling cavity with inert gas
Inventor: MANGERICH ELMAR DR ING
IPC: E06B3/67
Filed: 1974-09-11
Abstract: Double-glazing with high thermal insulation, esp. for windows and doors in building technology, the novelty being that the inner surface of one or both panes, i.e. in the cavity, is coated with a transparent layer of meta, and the cavity is filled with an inert gas (argon, krypton, xenon) or a corresponding gas mixt. with low thermal conductivity. The internal surface of the pane(s) may be coated with a transparent layer of noble metal gold or silver) and the cavity filled with a gas of low thermal conductivity, or alternatively, the metal layer(s) may be coated with a protective org. or inorg. coating; a transparent metal-coated foil may be used, and multi-pane glazing may be coated as described above. Normal double- or multi-glazing with air-filled cavities, and possibly with a transparent metal layer to reduce sunlight, possess too high a heat loss through the window, e.g. 2.7 Kcal/m2'. degrees C. The invention reduces the heat transmission to e.g. 0.6 Kcal/m2H. degrees C.
Patent DE-2446665-A1 (DE)
Title: Surface mounted door lock with permanent magnet - requires no special housing for magnet held in lock housing
Inventor: LUPP ARTUR
IPC: E05C19/16
Filed: 1974-09-30
Abstract: The surface mounted furniture lock is provided with a permanent magnet for facilitating closing the door. The permanent magnet is held without using a separate housing in order to make this lock cheaper to produce and easier to fit. The end closing wall of the lock housing (1) has a permanent magnet (4) which is brought into contact with a locking and stop plate (8) in the form of an angle held on the cabinet door frame (7). The permanent magnet is held in a trough shaped depression (5) in the lock box so that this depression is adjacent to the sliding locking bolt (2) and its longitudinal edge is connected to the support strip. A leaf spring or rubber strip is arranged between the magnet (4) and the locking bolt (2).
Patent DE-2447758-A1 (DE)
Title: Self regulating balancing system for centrifugal pumps - consists of automatically controlled orifices on both sides of impeller
Inventor: HANAGARTH WOLFGANG DIPL ING
IPC: F04D29/04
Filed: 1974-10-07
Abstract: The pump has an impeller (2) within a casing (1). There is a gap (3) between the back of the impeller and the casing and a gap (4) between the front of the impeller and the casing. The casing contains orifices (5, 6, 7, 8) opening in these gaps. Behind the impeller one set of orifices (5) face the direction of rotation and one set (6) in the opposite direction and in front of the impeller one set (7) face one way and the other set (8) the other way. The orifices are connected by passages (11) to a control mechanism (9) which regulates flow through them according to the pump load to control leakage flow in such a way as to eliminate unbalanced forces on the impeller and shaft.
Patent DE-2452180-A1 (DE)
Title: Back pressure filler for beer barrels - preadjusted compressed air choke in cylinder feedline eliminates frothing
Inventor: SCHMITT PHILIPP
IPC: B67C3/32
Filed: 1974-11-02
Abstract: A pressure head seals round the tube and carries a spigot hole seal facing the tube flange above and only releases the tension and back gas channels between tube and seal when the head is raised off the valve collar. A pre-adjusted compressed air choke (13) is arranged either in the air line (11, 11') between control valve (6) cap (9c) of the compressed air cylinder (9), or in the line leading to the foot (9d) of the cylinder. A bypass line (11a) should be provided for the choke, containing a non-return valve (14) so that the bypass is shut off when air is flowing to the cap end (9c) but open when flow reverses, or again the valve reverses its functions if this valve and the choke are inserted to the line (12) serving the cylinder foot (9d).
Patent DE-2455797-A1 (DE)
Title: Fixing tube to bearing journal - using plastic bush to eliminate need for dowel pin
Inventor: SIEMSEN HORST
IPC: B29C70/74
Filed: 1974-11-26
Abstract: A tube is fixed to a bearing journal, partic. a bush for a plastic rod, by a plastic bush which is firmly attached to one end of the tube and which projects over that end where its i.d. is less than the i.d. of the tube. Simple design, dispenses with dowel pins and therefore avoids weakening the journal, permits easy replacement after wear.
Patent DE-2460109-A1 (DE)
Title: Toilet cleaning compsn. located in cistern - with restricted water entry and including inert particles to reduce removal rate
Inventor: MCDUFFEE RICHARD L
IPC: E03D9/03
Filed: 1974-12-19
Abstract: A cleaning cpd. such as calcium hypochlorite, is placed in a container which is positioned in the cistern associated with a toilet. The container has top and bottom walls, the top wall having a small dia. opening of 1-2 inches. The container is filled to 1/3 -2/3 of its capacity with the cleaning cpd. and pieces of inert material which help to restrict the flow of water to the cpd. and thus reduce the rate at which it is removed from the container. The inert material occupies 15-50% of the volume of the contents of the container.