baber/WOPTO huggingface dataset:
Patent GB-841919-A (GB)
Title: Improvements in apparatus for the dampening of dried grass meal and the like
IPC: A23N17/02
Filed: 1958-01-28
Abstract: 841,919. Apparatus for dampening meals. WALLEY, P. P. Jan. 28, 1959 [Jan. 28, 1958], No. 2760/58. Classes 5(2) and 58. Apparatus for dampening dried grass meal or corn meal for animal feeding consists of a hopper 10, a duct or channel 11 with conveyer mechanism 14 connected to the bottom of the hopper, at least one discharge outlet 15, one or more water inlet pipes 16, supplied from a main 17, entered into the duct adjacent to the bottom of the hopper, a solenoid-operated valve 18 in the water main and an electric motor 13 for driving the conveyer mechanism, the arrangement being such that the switch means for starting or stopping the electric motor is also adapted to cause operation of the solenoid valve whereby water is admitted during operation of the conveyer mechanism but is shut off when the conveyer is stopped. The water inlet pipes may enter the duct through a removable panel 11a and electrically-operated vibrator mechanism 21 may be fitted to the hopper.
Patent GB-163283-A (GB)
Title: Improved mechanism for converting rotary into reciprocatory motion
IPC: B06B1/10
Filed: 1921-01-21
Abstract: 163,283. Tekniske Forsogsaktieselskab. May 10, 1920, [Convention date]. Machinery, utilizing inertia to obtain movements in. - Relates to improvements in the means for converting rotary into progressive reciprocatory motion described in Specifications 157,870 and 158,202, and consists in disposing a spring buffer to act on one or both sides of the reciprocatory body during the whole of its travel, in order to minimize vibration. As applied to an ornithopter having wings W, Fig. 1, caused to vibrate by means of rotating centrifugal masses 0 pivoted thereto, the wings are extended beyond their journals L and are there acted on by springs F connected to the bodv T of the machine and preferably so initially stressed that their force is sensibly constant. The springs assist the initial downstroke of the wings, and, by furnishing a reaction, permit the upward forces derived from the masses 0 to lift the machine. The wing- extensions may be pressed by pairs of oppositelyacting springs. In another application, a reciprocating body, driven as described in Specification 157,870, is controlled by upper and lower spring- pressed spindles mounted in a casing. The spring- load may be varied by altering the length of the springs or cutting out one or more coils from action. In order to isolate torsional shocks from the driving-mechanism, the shaft which drives the centrifugal mass may be provided with an elastic coupling and a fly-wheel on each side thereof. In the Specification as open to inspection under Sect. 91 (3) (a) modifications are described in which the controlling-force does not act during the whole travel of the reciprocating member. Thus, in reciprocatory tools having a hand-grip G, Fig. 3 (Cancelled), by means of which a vibrating tup H is advanced against the tool or anvil A, a spring F surrounding a spindle N guided in a casing B is provided. The motion of the tup is modified by variation in angular velocity of the mass 0, by change in hand-pressure on the grip G, and by alteration of spring-load. A pair of oppositely-rotating masses may be provided to eliminate lateral forces, hence obviating the necessity for guiding the member H. In the case of heavy drop-hammers, pile-drivers, &c., the upper spring may be dispensed with. The tup may have a loose, spring-connected striking-head, or the anvil or tool may have a spring-cushioned face, or, as shown in Fig. 6 (Cancelled), the tup H may be fitted with side springs F. The spring may in some cases require to be very stiff, and it may then take the form of a steel block &c. This subject-mater does not appear in the Specification as accepted.
Patent GB-1461712-A (GB)
Title: Workpiece guides in automatic feed devices for machine tools  processing non-circular bar-shaped workpieces
IPC: B23Q7/08
Filed: 1975-01-22
Abstract: 1461712 Bar stock feeding HAGENUK 22 Jan 1975 [24 Jan 1974] 2779/75 Heading B3B A bar feed arrangement for feeding bar workpieces of non-circular cross-section at a particular orientation comprises a feed channel formed of a channel 4 and a plurality of longitudinally pivotable pawls 13, 8, the pawls being mounted on a rotationally adjustable bracket 6 to orientate the pawls about the longitudinal axis of the channel 4. The gap between the pawls 13, 8 forms a feed gap through which workpiece 1 drops from a supply means 2, 3, 39. The pawls 13, 8 are pivotable in the direction of bar feed to allow a reciprocating gripper (18), (19) (Fig. 2, not shown) to pass, the pawls being spring biased to a central position by springs 10, 15. In alternative embodiments, the pawl 8 is replaced by a horizontally movable guide (20) (Fig. 4, not shown) and, in conjunction with this, movable thrust pawls (30), (31) (Fig. 7, not shown) can engage a nose portion of a bar crosssection to retain it in position. At entry into a machine tool the bar workpiece is passed through spring biased rollers (22) (Fig. 5, not shown) which are profiled to fit the bar cross-section.
Patent GB-456066-A (GB)
Title: Improvements in or relating to altitude respiratory apparatus
IPC: A62B9/02
Filed: 1935-01-28
Abstract: 456,066. Respiratory apparatus; valves. DRAGER, O. H., 53, Moislinger-Allee, Lubeck, Germany. Jan. 28, 1935, No. 2795. Convention date, Jan. 26, 1934. [Class 81 (ii)] [See also Group XXIX] Apparatus for respiration of oxygen with or without air at high altitudes comprises a casing c, Fig. 3, containing a diaphragm b, the movements of which during inhalation control the supply of oxygen. The diaphragm has an upstanding stem b<1> connected to a lever d, Figs. 1 and 3, having resting thereon, by a roller o<1>, a second lever e, pivoted at e<1>. A cranked strap p on lever e has a loose engagement, which eliminates the effect of vibration, with the stem q of an oxygen supply valve a. A coil spring f, Fig. 3, is provided between the stem b<1> and the opposite side of the casing. Oxygen, released through valve a on rise of the diaphragm during inhaling through a connection k, Fig. 1, passes through a conduit l and thence via an injector i to a conduit m leading to connection k. An air inlet valve s, when open, permits external air to be drawn in by the injector action. The valve s comprises an apertured disc s<10> rotatable on a spindle s<2>, by a finger piece s<1>, in relation to an apertured cover plate z. Instead of a hand-operated air valve an apertured slide valve u, u<1>, Fig. 3, adjustably connected by a nut and bolt t<1> to an aneroid capsule t may be used. The casing c has a screw-on apertured cover plate v adjustably clamping a ring y with lugs y<1> for securing the apparatus by spacing members, for example, to the side of an aircraft.
Patent GB-975511-A (GB)
Title: Apparatus for the supply of direct current to,for example,a welding process
IPC: B23K11/26
Filed: 1961-01-24
Abstract: 975,511. Protective cut-out arrangements; converting. KSM PRODUCTS Inc. Jan. 24, 1961 [Feb. 3, 1960 (2)], No. 2817/61. Headings H2F and H2K. An arrangement for the supply of D.C. for a welding process, e.g. stud welding, and including a transformer 10 and rectifiers 18, is protected against prolonged overloads by a relay 70 responsive to the rectifier output voltage and against short circuits by a relay 60 responsive to the rectifier output current, the relays causing the interruption of the supply with differing time delays. On the closure of main contacts 22 ... 26 the output voltage is sufficient for the relay 70 to open its contacts 72. When welding commences, the resulting drop in the output voltage permits the release of the relay and contacts 72 close to energize a time delay relay 40. This relay, after a predetermined time, closes its contacts 42 to energize a trip coil 20 and cause the opening of the contacts 22 ... 26. In the event of a short circuit, the relay 60 closes its contacts 62 to energize a time delay relay 30. The relay 30, after a short interval, closes its contacts 32 to energize the trip coil 20. In the event of overheating, a thermal switch disposed within the transformer closes contacts 52 to energize the trip coil 20.
Patent GB-328052-A (GB)
Title: Improvements in automatic signalling and/or control of trains
IPC: B61L3/06
Filed: 1929-01-28
Abstract: 328,052. Cochrane, F. J. Jan. 28, 1929. Fluid pressure.-Trainpipe venting valve mechanism actuated by photo-electric colour light cells in accordance with the track signals comprises a pair of electromagnetic pilot valves operating main valves by fluid-pressure relays to give a partial or complete application of the brakes. The train arrangement is shown in Fig. 1 in which photo-electric cells 1, 2, 3 when excited by the appropriate colour from the track signals close relays 1<a> 2<a>, 3<a>. If the distant signal is at clear a horn 17 is sounded by the relay 3<a> being closed; if this signal is at caution relay 1<a> is closed to energize a solenoid 1<b> and lift a valve 19 to open a vacuum space 21 to atmosphere and thereby to lift a piston 22 and attached valve 23 to open the train vacuum pipe 24 and partially apply the brakes, a horn 25 being sounded by the entering air. The home signal if at danger closes relay 2a and similarly actuates a valve 26 to operate a piston and valve 29, 30 controlling a piston and valve 32, 33 which fully opens the train pipe 24 and applies the brakes. Spring clips 23b, 33<a> retain the train-pipe valves 23, 33 in their open position until re-set manually. The pistons 22, 29, 32 are provided with the necessary leak ports 22<a>, 29<a>, 32<a>. The hightension battery for the operation of the photoelectric cells and the low-tension for operating the valves energize solenoids 38, 39 so that on failure of either supply a valve 37 is released to open the space 21 to atmosphere and so to give a warning by the horn 25 and partial brake application.
Patent GB-836284-A (GB)
Title: Means for operating several cooperating constituent static current converters
IPC: H02M7/15
Filed: 1958-01-17
Abstract: 836,284. Converters. ALLMANNA SVENSKA ELEKTRISKA A.B. Jan. 29, 1958 [Feb. 1, 1957], No. 2936/58. Class 38 (2). In a converting arrangement wherein two converters 1, 2 are associated with transformers 3, 4 which each have first-line windings (23 and 24) and second line windings (18 and 20), the first windings 23, 24 being connected to a first A.C. network 5 and the second windings 18, 20 being connected to a second A.C. network 21 which is a synchronous machine providing reactive power, this connection being made through first compensating reactors 19 such as are disclosed in Specification 682,743 and which are effective in isolating a disturbance in one converter from the other, there are provided means whereby the voltages across the reactors 19 are not short-circuited by the series leakage reactances between the windings 18 and 23, and 20 and 24. As shown, these means comprise compensating reactors 27 which may be earthed. The reactors 19 and 27 may be on a common core. Each converter may be used independently by the provision of switches 25, 26 and by-pass valves 29, 30 (normally blocked). In an alternative arrangement (Fig. 3, not shown) the reactors 27 are replaced by transformers whose secondary windings are shunted across the reactors 19. In a further arrangement (Fig. 4, not shown), the windings 23, 24 are connected in series to earth and supplied through one switch 25 only. In an arrangement (Fig. 5, not shown) wherein a number of pairs of converters such as 1 and 2 are used, each pair of reactors 27 are connected by a further reactor joining their centre tappings. Each pair of these further reactors are similarly joined by yet another reactor and this continues until a stage when only one reactor is required. Fig. 6 shows a plurality of converters 42-49 (one phase only being shown) the first line windings including earthed reactors 82-89 each provided with a secondary winding which are connected in series. As shown, reactors 88, 89 may be transformers, several separate sources of reactive power may be replaced by a single common source.
Patent GB-456051-A (GB)
Title: Improvements in means for sharpening the blades of scythes and the like by hammering
IPC: A01D3/02
Filed: 1935-01-29
Abstract: 456,051. Sharpening scythe &c. blades. STUBGEN & CO., F., 4, Moltkestrasse, Erfurt, Germany. Jan. 29, 1935, No. 2937. Void [Abridged as open to inspection under Sect. 91 of the Acts, Oct. 21, 1935]. [Classes 83 (ii) and 83 (iv)] Hammering.-For trueing up the cutting edges of scythes sickles &c., the blade 4 is inserted between an element 3, which is hammered, and an anvil element 2, both elements being provided with an annular operating surface and at least one of the elements being capable of rotation about a pin 5. As shown, both elements are mounted in a frame 1 and are capable of rotation. In other forms only one element is mounted in the frame and the pin may be attached to one element.
Patent GB-412326-A (GB)
Title: Improvements relating to folding bedsteads
IPC: A47C17/46
Filed: 1933-01-31
Abstract: 412,326. Folding-beds. RANKIN, A. G., 28, Hart Street, Bloomsbury, London. Jan. 31, 1933, No. 2980. [Class 52 (ii).] In a folding or cabinet bed having a hinged head-board 12, the latter is constrained to move in its own plane during movement of the bed by means of guide rollers 7, 13 running in guide ways 8. The bed frame 2 is supported by links 4 pivoted thereto and to the foot 10 of the head frame 1, and the head-board 12 is hinged to a fixed head-board 11. Hinged legs 6 are also provided. The links 4 may be disposed above the bed-frame.
Patent GB-945648-A (GB)
Title: Improvements in or relating to a device for controlling light transmission
IPC: G02F1/1506
Filed: 1962-01-26
Abstract: 945,648. Electrolytic filters. EASTMAN KODAK CO. Jan. 26, 1962 [Jan. 26, 1961], No. 2983/62. Addition to 909, 342. Heading G2J. [Also in Division H4] A device for controlling light transmission being a modification of the device disclosed in the parent Specification comprises a container having light entrance and exit windows separated by a distance between 0.001 and 0.300 inch, a transparent electrolyte within the container having ions of a material which has an optical density when deposited at an electrode, an effectively transparent electrode disposed within the container, in the electrolyte, and transverse to a path of light between the windows, a second electrode within the container spaced from the transparent electrode and so positioned or of such a nature as not to obscure said path of light, and means for enabling a D.C. potential to be applied between the electrodes to transfer said material between the electrolyte and the transparent electrode. In Fig. 1, the transparent electrode 80 is shown as comprising a thin coating of metal on a glass plate 81 and the other electrode as a silver ring 85 surrounding the light path. Alternatively this latter electrode may comprise a ring of carbon or of a material which dissolves and supplies additional ions to the electrolyte or it may comprise an electrode similar to 80. Either or both of the electrodes may comprise, as shown in Fig. 2, a thin coating of titanium dioxide and. gold 94 over a thicker grid 93 of the same material, all on a glass or plastic plate 92. Either or both transparent electrodes may have means such as side contact strips 82, 83 coated with insulating lacquer 84 for applying a supplementary current across the electrode. This supplementary current may be A.C. or D.C. and may be utilized for heating the electrolyte. An A.C. current would also serve to ensure uniform plating. The electrolyte may contain gelatin or polyacrylamide. Hydrochloric acid may be added to facilitate control of the rate of deposition. In the case of fluoborate electrolytes, at least the windows would be of plastic. Non-uniform plating may be obtained, if desired, by placing a grid electrode near the areas where more plating is required. The device may be constructed as a window to a building in which case photo-electric control of the applied potential may be provided. This control may be arranged to increase the optical density either as sunlight increases or alternatively as internal lighting is switched on. The support surface for transparent electrodes may be entirely flat or have a pebble finish.
Patent GB-305171-A (GB)
Title: Process for the production of an electrical connection of high conductivity between a layer formed of a metal compound and a conductor
Filed: 1929-01-29
Abstract: 305,171. Siemens - Schuckertwerke Akt.-Ges. Feb. 1, 1928, [Convention date]. Contacting-solid resistances.-A low resistance connection between the layer of metal compound in a dry surface contact rectifier and the metallic conductor is established by applying to the surface of the layer, finely divided graphite. The graphite, preferably in the form of a colloidal solution such as " Aquadag " is applied by brushing, after which a metallic layer of lead or zinc is sprayed on. Improved results are obtained by mixing a small proportion of finely divided metal with the graphite paste before it it applied to the layer of metal compound.
Patent GB-741375-A (GB)
Title: Voltage-dependent control devices
IPC: G05F1/33
Filed: 1953-02-03
Abstract: 741,375. Automatic control systems. LICENTIA PATENT-VERWALTUNGS-GES. Feb. 3, 1953 [Feb. 7, 1952], No. 3037/53. Class 38(4). In an A.C. voltage regulating system having the regulator R supplied through a saturated choke L, a further unsaturated choke L<SP>1</SP> and capacitor C is connected in series in the circuit to be resonant at the fundamental frequency but block the harmonics due to the saturated choke. A parallel resonant circuit S draws current through the choke L<SP>1</SP> to provide frequency compensation. The Specification states that the regulator R may be e.g. the field of an exciter fed through a rectifier.
Patent GB-829103-A (GB)
Title: Improvements in and relating to heat exchangers
Inventor: SHONE KENNETH ARTHUR
IPC: B21D53/06
Filed: 1956-01-31
Abstract: 829,103. Making heat exchanger tubes; extruding. ENGLISH ELECTRIC CO. Ltd. Jan. 25, 1957 [Jan. 31, 1956], No. 3050/56. Classes 83 (2) and 83 (4). [Also in Group XIII] A heat-exchanger comprises two tubes 10, 11 of unequal external sizes which are disposed in contact with each other for a substantial part of the axial length of the smaller tube which tube lies within a passage 10b (Fig. 1) formed by portions of the wall of the larger tube and wholly outside the bore thereof. Figs. 1 and 4 show extruded forms of the tube 10 in which after positioning of the smaller tube 11, the lips 10a (Fig. 1) or 15a (Fig. 4) are deformed by rollers in the manner shown in Figs. 2 and 5 so as to embrace the tube 11. Fig. 7 shows a tube generally similar to that of Fig. 1 but made by deforming a thin-walled tube. Fig. 9 shows a further extruded form in which the smaller tube is inserted in a suitable bore formed in the larger tube. The two tubes may be made of different materials.
Patent GB-178937-A (GB)
Title: Improvements in and relating to the construction of the hulls of boats, barges or other vessels
IPC: B63B3/14
Filed: 1921-01-25
Abstract: 178,937. Crossley, F. S., and Crossley, F. W. Jan. 25, 1921, Plates and platings; framing.-Plates for the hulls of boats, barges, &c. are made in one piece a, b, Fig. 3, including the bilge x, side a<5>, deck a<2> and bottom a<1>, all the sides or edges being flanged, as shown, the flanges being welded or otherwise connected together so as to replace the usual separate framing. The above-mentioned plates may, however, be divided, as shown in Fig. 7, each flanged part comprising portions of the side and deck, or the bilge x and portions of the side and bottom; or, alternatively, they may comprise the turn of the bilge and the bottom or the side with or without the deck. In conjunction with such plates, flanged rectangular, triangular, or irregular shaped plates, as shown at d, Fig. 5, may. be used to increase the beam of the vessel. Where the side of the vessel has a flanged horizontal joint, the flanges may be turned outwards to serve as a fender or a support for a fender. In order to strengthen the keelson, a hollow I-shaped or cross-shaped body b<1>, Fig. 11, is used to straddle the flanges. Troughshaped plates may be used in the bottom to facilitate drainage, and tubes may be inserted through the flanges for the same purpose.
Patent GB-417427-A (GB)
Title: Improvements in and relating to electric heating apparatus
IPC: H05B6/62
Filed: 1934-01-30
Abstract: Apparatus, particularly for heating bulbs to destroy nematodes, comprises a nonconducting drum container rotatably mounted in a high frequency electric field produced between cooperating electrodes.  A frequency of fifteen million cycles is employed and the bulbs are heated to 117 DEG  F.  Specification 217,869 and 310,925, [both in Class 39 (iii)], are referred to.
Patent GB-590627-A (GB)
Title: Improvements in or relating to float-controlled magnetic transmissions
IPC: G01F23/38
Filed: 1945-02-07
Abstract: 590,627. Indicating liquid-levels. K. D. G. INSTRUMENTS, Ltd., and PURNELL, J. E. Feb. 7, 1945, No. 3150. [Class 123 (i)] [Also in Group XXXVII] Means for indicating the level of petrol &c. in a tank 10, comprises a pair of float-actuated mechanisms 11, 12 mounted one above the other on the side of the tank, or one on the top 16 and the other in the bottom 17 of said tank, and each including, for example, two different coloured lamps for indicating high and low level conditions respectively as determined by the associated float 13, 14, the movement of the latter being transmitted to the switch 61 of the lamps by an intermediate magnet or magnets 53 and an armature or magnet 26. Preferably there are provided two magnets 53 which are secured to brass block 52 pivotally mounted between bracket arms 50 depending from a disc 48 of insulating material, the disc 48 mounting a common terminal 67 and two other terminals 68, 69, one in each lamp circuit, and being housed, together with the magnets 53, in one compartment 24 of a hollow plug 20, a second compartment 29, separated from the first by a transverse partition 23, housing the armature 26 which is pivoted at 27. The switch or contact plate 61 is also located within the compartment 29 between the insulating disc 48 and a spring- pressed roller 60 in the block 52, being pivotally mounted between the bracket arms 50, and it carries two contacts 63, 64 with a connecting strip 65, the strip 65 being connected to the terminal 67 and the contacts 63, 64 being adapted to mate with one or other of the terminals 68, 69. The arrangement is such that movement of the float 13 or 14 from one extreme position to the other will rock the armature 26 and this movement will be communicated through the magnets 53, brass block 52 and roller 60 to the switch 61 which will close one of the two circuits 67, 68 or 67, 69. When the mechanisms are mounted horizontally on the side of the tank the floats are fixed directly on the outer ends of the armatures, but, if disposed vertically, the floats are each carried by a lever 34 which is pivoted within a fork 32 projecting upwardly or downwardly from an extension tube 18 fitted to the plug 20, oscillatory movements of the lever 34 transmitted to the armature 26 by a pair of rods 43, 44 the ends of which engage recesses 41, 42 and 45, 46 in the lever and armature respectively.