baber/WOPTO huggingface dataset:
Patent GB-883907-A (GB)
Title: Device for marking out and like purposes
IPC: B43K29/00
Filed: 1958-03-18
Abstract: 883,907. Tracing diagram of outline. NORRIS, H. H. March 17, 1959 [March 18, 1958], No. 8606/58. Class 106 (2). [Also in Group XX]  A device for marking out, for instance drawing an outline 9 on drawing paper of a motor vehicle exhaust pipe 7, comprises an upright edge 2 for contacting the pipe 7 and a base edge 3 at an angle, as shown a right angle, to the edge 2, the device carrying a pencil, pen or similar marking means whose point 5 contacts the paper on which the edge 3 rests. The edge 2 may be calibrated in units of length. The device may be formed from sheet metal or plastic which is folded along the edge 2, of double thickness along edge 3 and outwardly bent to form wings 6, having finger openings 11, so that the device will stand by itself on the paper. One, or, as shown, both thicknesses of the folded sheet material is, or are, corrugated at 12 to provide a housing for the ballpoint pen, pencil lead or the like whose point 5 is spring-pressed towards the intersection of edges 2, 3.
Patent GB-291560-A (GB)
Title: Improvements in razor strops
IPC: B24D15/08
Filed: 1927-03-29
Abstract: 291,560. Bleloch, W. E. March 29, 1927. Strops for use particularly with flexible safety razor blades consist of a strip of spring steel or other metal 1 bent to form two parts 2, 3 over which a covering 7 of fabric, leather, &c. is stretched and which, on the parts 2, 3 being pressed together at the free ends 5, 6, present convex stropping surfaces. The strip may be bent inwardly at 4a, and the outer ends are bent at 8 over a fold 9 of the covering; teeth or serrations may be formed at the ends of the strip to penetrate the ends of the covering. The two stropping surfaces may be of different abrasive properties. Specification 291,559, [Class 30, Cutlery], is referred to.
Patent GB-222049-A (GB)
Title: Soft cuffs
IPC: A41B7/10
Filed: 1924-04-07
Abstract: 222,049. Fournier, A. A. April 7, 1924. Cuffs.-Cuffs of the tubular kind described in Specification 207,910 when formed from two thicknesses of material, as shown in Fig. 2, are made so that the stitching 9 does not appear in the surface. The layers are superposed, stitched together, and finally turned inside out. Fig. 4 shows the superposed layers of an interlined cuff stitched together at 9.
Patent GB-492966-A (GB)
Title: Improvements in or relating to the production of artificial fibres
IPC: D01D5/04
Filed: 1937-03-25
Abstract: Fibres or slivers are produced by delivering streams of fibre-forming liquid from nozzles on to a collector device, the nozzles and collector constituting electrodes in a circuit provided with a spark gap and supplied with high potential pulsating direct current, controllable means being provided in series with the supply for periodically interrupting or reducing the high potential across the spinning field between the electrodes.  The controllable means may be an auxiliary spark gap, a rotary interrupter of variable speed, a condenser across the spark gap, a switch in the high <PICT:0492966/IV/1> potential circuit, or a means for periodically inserting a resistance in the circuit.  In the Figure, the spinning solution is extruded through nozzles 10 adjacent to a field-directing means 30, and the filaments formed are collected on a collector consisting of a number of individual electrode elements 15 supported on the belt 14.  The supply 13 of pulsating direct current is connected through the adjustable auxiliary spark gap 40, 41 to the nozzles 10 and field-directing means 30, and also to the wire 18. The gap between the wire 18 and the collector elements 15 constitutes the main spark gap.  Specification 480,950 is referred to.
Patent GB-626762-A (GB)
Title: Improvements in and relating to vehicle wheels
IPC: B60B9/26
Filed: 1947-04-01
Abstract: 626,762. Vehicle wheels. DICKERSON, C. E. April 1, 1947, No. 8770. [Class 144 (i)] A wheel comprises tubular spokes 7 connecting the rim 10 to a hollow hub 1 and fitted with pistons 17, each carrying a rubber tread element 20 and bearing on a spring 25 compressed between the piston-head 23 and the hub. The latter is fitted with a cap 5 having an aperture 6 through which air is drawn, by reaction of the springs 25, into the inner ends of thespokes past a oneway valve 9.
Patent GB-1271484-A (GB)
Title: Device for securing the gear shift lever position of a gear box
Inventor: RYC OLDRICH
Filed: 1970-12-02
Abstract: 1,271,484. Controlling motor vehicles. TATRA NARODNI PODNIK. 2 Dec., 1970, No. 8801/70. Heading B7H. [Also in Division F2] In a vehicle having a hand-brake lever 1 for controlling a transmission brake and a gear-shift lever 3 which is movable between two positions to control a two-speed axle or overdrive gearbox located between the transmission brake and the driven wheels, there is provided an interlock device which, when the hand-brake lever 1 is in the operative position with the gear-shift lever 3 in one of its two positions, prevents movement of the gear-shift lever 3 out of that position until the hand-brake lever 1 is released. When the driver wants to move the gear-shift lever 3 he must first release the hand-brake, and if the vehicle is standing on a slope he will then normally apply the foot-brake which will prevent inadvertent movement of the vehicle as the gear-shift lever 3 passes through neutral. A cam-block 5 on a pull-rod 4 which connects the hand-brake lever 1 to the transmission brake engages a follower lever 6 when the brake is operative to rotate a shaft 6 against spring- loading and position a blocker arm 1 in the path of an abutment 2 on the gear-shift lever 3.
Patent GB-428681-A (GB)
Title: Improvements in or relating to indicating apparatus for facilitating the landing of aeroplanes during fog
IPC: G05D1/06
Filed: 1933-11-16
Abstract: 428,681. Indicating-apparatus for aeroplanes. SHARMA, D. N., 11, George Square, Edinburgh. Nov. 16, 1933, No. 8840/35. Divided out of 428,867, [Group XL]. [Class 106 (iv)] [See also Group XX] Indicating apparatus for facilitating the landing of aeroplanes in fog is brought into operation when the pilot passes over a wireless boundary beam, which may be part of the landing system described in Specification 428,867, and comprises pointers G, Z indicating at any moment the distance from the desired landing-point and the altitude respectively, so that with a speed of 75 miles per hour and a correctly adjusted gliding angle, shown by a scale S, the pilot follows a predetermined downward path, keeping the pointers G, Z synchronized until he receives a signal indicating another boundary zone, whereupon he reduces speed to 50 miles per hour and " flattens out." The pointer Z gives the readings of the altimeter on the outer scale, while the pointer G driven by a stop-watch chronometer or other mechanism, gives distance and time on two inner concentric scales In a modification the altimeter scale is retained but the pointer Z is omitted, a separate altimeter being used. The distance pointer may be driven by a wind-driven electric motor mounted on the wing of the aeroplane, corrections being applied for the wind velocity. Another correction is applied to the chronometer or electric motor movement by using the " flattening-out " movement of the controlstick to vary a resistance. A tuned crystal or valve receiver for detecting the various signals is plugged into the indicator at j. For determining the exact height prior to landing, an electric bulb may be lowered by a cable, the smashing of the thin glass envelope when it strikes the ground being used to light or extinguish an indicator lamp.
Patent GB-494418-A (GB)
Title: Improvements in telephone and like electric signal transmission systems
IPC: H04L25/04
Filed: 1937-03-25
Abstract: 494,418. Two - way repeaters. STANDARD TELEPHONES & CABLES, Ltd., JACOBSEN, B. B., and FAIRLEY, F. March 25, 1937, No. 8890. [Class 40 (iv)] In a repeater in which the same amplifier 1 carries both directions of traffic, the reversing relay is under the joint control of voltages derived from voice or tone signals on the input and output sides of the amplifier respectively so that the presence of a signal at the output side operates the relay unless a signal is present also at the input side. As shown in Fig. 1, signals from A produce voltages at 21 and at 2<11> which are balanced in circuit 2 or otherwise coact so as to produce no result. The arrival of a signal from B however, in the absence of a signal from A produces a voltage at 2<11> only and this causes a control signal to be sent over 2<111> to cause the operation of the reversing relay. As soon as the repeater has changed over, a voltage is present at 2<1> as well as 211 and the signal over 2<111> ceases. A further signal is sent over 2<111> when energy arrives from A in the absence of energy from B and this causes the restoration of the repeater to the condition shown. The apparatus 2 may comprise a pair of detectors fed over the circuits 2<1>, 2<11> and feeding the respective windings of a differential unbiassed polarized relay, Fig. 2 (not shown), or a single detector fed from the circuit 2<11> and controlling a simple relay and paralysed by rectified signals from 2<1>, Fig. 4 (not shown). In a further arrangement, Fig. 3, signals from 2<11> are prevented from actuating relay 18 when energy is present in circuit 2<1> by the shunting effect of a rectifier network 13. In another arrangement, Fig. 5 (not shown), energy in the circuit 2<1> causes a relay to interrupt the circuit of the relay controlled by rectified energy from 2<11>. The latter relay controls the circuit 2<111> through a further relay which is associated with a delay circuit. Delay circuits may be provided in the other arrangements to prevent operation of the system by transients. The apparatus 3 is shown in Fig. 6, the change-over contacts of the repeater being contacts of relay 35. With the circuit in the condition shown, a signal in circuit 2<111> energizes 39 which energizes 35. When the repeater changes over, the signal ceases and 39 falls, but 35 remains locked in series with 36 which operates on the relapse of 39. The next operation of 39 thus shunts out 35, 36 remaining operated until the end of the signal which occurs as before when the repeater connections have changed over. Any of the relays in this circuit may be made slow acting.
Patent GB-116557-A (GB)
Title: Improvements in and relating to Rotary Transformers or Converters.
Inventor: SILAW JOHN GOODWIN
IPC: H02K47/16
Filed: 1917-06-21
Abstract: 116,557. Shaw, J. G., and Shaw, C. R., (trading as Crypto Electrical Co.), and Sharp, H. G. June 21, 1917. Rotary converters and transformers for transforming the voltage of direct current are pro. vided with primary and secondary windings and associated brushes and auxiliary poles n, s arranged between the main poles N, S and adapted to generate in the portions of the armature windings lying under them such an E.M.F. that added to or subtracted from the E.M.F. induced in the portions of the armature windings lying under the main poles will produce the necessary regulating effect in the primary or secondary circuit of the machine or in both. The arrangement is particularly applicable for maintaining a constant voltage in a lighting circuit, for causing a heavy drop in voltage for arc lamps used in searchlights &c., and for varying the ratio of voltage transformation. In the bi-polar machine shown in Fig. 1, the bushes a<1>, a<1> of the primary circuit I are arranged between the poles Nn and Ss, a<2>, a<2> being the brushes of the secondary circuit II. When current is taken from the secondary circuit, the E.M.F. produced by the auxiliary poles n, s acts in opposition to the E.M.F. produced by the main poles N, S so far as the primary winding I is concerned, thereby increasing the speed of the machine and also the secondary voltage, whilst the auxiliary E.M.F. generated in the secondary winding II assists the E.M.F. generated by the main poles, thus increasing the secondary voltage. By reversing the direction of current in the windings of the auxiliary poles relatively to that of the main poles, the opposite effect is obtained, namely a drop in voltage. The auxiliary poles may be excited separately or by current passing through, or. derived from, the primary or secondary circuit, or both. fn one arrangement, Fig. 4, the two armature windings I, II are in series with the windings c on the auxiliary poles, the windings b on the main poles being in shunt to the primary winding I, and the windings c being also included in the secondary circuit. In order to give a wide voltage variation, one end of the windings c, Fig. 5, of the auxiliary poles may be connected to the middle point of a reverse-field potentiometer 'd, the other end being connected to a movable contact arm e.
Patent GB-205766-A (GB)
Title: Improvements in glass-drawing appparatus
IPC: C03B15/14
Filed: 1923-03-29
Abstract: 205,766. Empire Machine Co., (Assignees of Monro, W. L.). Nov. 6, 1922, [Convention date]. Drawing.-Relates to the cylinder-drawing apparatus described in Specification 141,791 in which the air supply is obtained by forcing a jet of air into a venting chamber of larger crosssectional area than the jet, the venting chamber being connected bv a long tube with the bait. According to the present invention, the venting chamber 5 is arranged adjacent to the bait 6 instead of being connected to it by a long tube. Further, the upper edge of the venting opening 7 is arranged in the same plane as the opening of the jet 4 into the venting chamber 5, or above it. In a modification, the chamber may be provided with two openings arranged with their axes at right-angles to one another.
Patent GB-1292983-A (GB)
Title: Improvements in or relating to sealing devices
Inventor: BREALEY EDWARD REGINALD
IPC: F01D11/02
Filed: 1969-02-19
Abstract: 1292983 End-face seals ROLLS-ROYCE Ltd 19 Feb 1970 [19 Feb 1969] 8977/69 Heading F2B A seal between relatively rotatable structures (e.g. a turbine or compressor disc 14 and a stationary part 18 of a gas turbine engine) and separating high and low pressure zones comprises a seal ring 22 which is resiliently-mounted on, for example, the stationary part of the engine as by spring-bellows 20 and is arranged to form with one or more annular grooves 26 a variable pressure chamber in communication with the high pressure zone, the arrangement being such that as the clearance decreases the pressure in the chamber rises and vice-versa, the resultant pressure acting on the seal ring as the clearance varies to maintain the clearance at a substantially constant valve and provide a balanced seal. The grooves 26 on the rotary disc may be formed by ribs 28, 30, Fig. 3 (not shown), three of which are made longer than the rest to reduce the area of rubbing contact should the clearance be reduced to zero. Bores 24 communicate between the interior of the bellows 20 and the seal face of the ring 22. In an alternative arrangement, the seal ring 22 may be in the form of an annular piston which is spring-mounted on the stationary part 18 and engages in an annular cylinder secured to the rotary part, the chamber formed by the piston and cylinder being in communication with the upstream face of the piston by means of bores 24.
Patent GB-1171647-A (GB)
Title: Circuit arrangement for Electrical Circuit Breakers
Inventor: KIND DIETER
IPC: H01H33/59
Filed: 1967-02-24
Abstract: 1,171,647. Arc rupturing in switches. D. KIND. 24 Feb., 1967 [24 Feb., 1966], No. 8981/67. Heading H1N. For the interruption of high-voltage circuits, especially D.C. circuits, a circuit-breaker S is operable to produce an arc voltage large enough to reduce the current to be interrupted to zero and is shunted by a circuit comprising a resistor R, a capacitor C and a spark gap F connected in series, the shunt circuit limiting the arc voltage to a desired value.
Patent GB-877650-A (GB)
Title: Improvements in or relating to dowel fixing means
IPC: F16B12/22
Filed: 1959-03-16
Abstract: 877,650. Dowel securing means. BORZONI, R. 1. March 8, 1960 [March 16, 1959], No. 8983/59. Class 89(2). Means for fixing a dowel 5 in a wooden structure 7 comprises a wedge 1 having a triangular portion 3 integral therewith, which enters the end of the dowel when the latter is driven into a hole 6 in the work, and expands it into the bore. The wedge may have two triangular portions 3, 8, Fig. 2.
Patent GB-201963-A (GB)
Title: Improvements in and relating to steam wagons
IPC: B60K3/02
Filed: 1922-03-29
Abstract: 201,963. Lewin, W. J., and Deighton's Patent Flue & Tube Co., Ltd. March 29, 1922. Axle casings.- The propeller shaft casing is rigid with the axle casing, and is connected at its forward end to an extension of the gear box by a spherical joint X. The crank case, change-gear casing, universal-joint casing, propeller shaft casing, and axle casing communicate with one another, with the object of reducing the necessity for frequent oiling.
Patent GB-372044-A (GB)
Title: Process for producing an improved lime suitable for constructional purposes
IPC: C04B2/06
Filed: 1931-03-24
Abstract: Lime is slaked by treatment with mineral acids such as hydrochloric or sulphuric acid, with the addition, if desired, of various salts, in a closed chamber to conserve the heat of reaction.  Salts which may be used are chlorides, chlorates, hypochlorites, sulphates, persulphates, sulphites, hydrosulphites, sulphides, or permanganates. The formation of cementitious compounds is enhanced by the presence of silica or silicates, which, if not present, may be added, e.g. as aluminium hydrosilicate in the form of zeolites.  Hydraulic limes may be so treated, and instead of treating the whole mass, a portion may be treated with a larger quantity of reagent and added to the untreated lime.  A suitable mixture is 100 kgm. of common lime in pieces, 40 kgm. of water, 6 to 10 kgm. of mineral acid, and 0,5 to 1 kgm. of the additional substances specified.ALSO:Lime, quick or hydrated, for use as a mortar constituent, is treated with mineral acids with the addition, if desired, of various salts, in a closed chamber to conserve the heat of reaction.  The formation of cementitious compounds is enhanced by the presence of silica or silicates, which, if not present, may be added, e.g. as aluminium hydrosilicate in the form of zeolites. Hydraulic limes may be so treated and instead of treating the whole mass, a portion may be treated with a larger quantity of reagent and added to the untreated lime.  A suitable mixture is 100 kgm. of common lime in pieces, 40 kgm. of water, 6 to 10 kgm. of mineral acid, and 0,5 to 1 kgm. of the additional substances specified.
Patent GB-698672-A (GB)
Title: Improvements in and relating to mine roof-supporting girders or bars
IPC: E21D17/086
Filed: 1950-04-13
Abstract: 698,672. Roof supporting bars in mines. GUTEHOFFNUNGSHUTTE OBERHAUSEN-AKT.-GES. April 13, 1950 [Seat. 19, 1949], No. 9157/50. Class 20(ii) One mine roof bar 1b, Figs. 1, 6, is supported from the end of another bar 1a by means of a bar shoe 4 extending under the adjacent ends of the bars and having inwardly projecting shoulders 5 with lower inclined guide surfaces 5a adapted to engage with a laterally proiecting pin 3 located in end plates 2 on the bar 1a so that when the shoe 4 is driven home towards the bar 1a, it is forced upwardly to tilt the bar 1b and press it against the roof. Alternatively, inclined guide surfaces 5', Fig. 7, may be provided on the bar 1a which engage with lateral projections 3' on the bar shoe 4. The bar 1b, Figs. 1, 6, is located between curved projecting portions 6, 7 of the end plates 2' on the bar 1a whilst in the modification shown in Fig. 7, there is a pivot joint 17 between the two bars 1a, 1b. The pin 3. Figs. 1, 6, is located in vertical slots 14 in the end plates 2 to permit use of the bar 1a in an inverted position. Where the flanges of the bars are inclined for strengthening purposes, the bearing surface of the base plate of the bar shoe may be, of concave form so that it makes contact with the marginal portions only of the bar flanges in its unstressed condition, but is subject to elastic deformation on driving home the bar shoe so that finally the bar flanges are bedded completely acainst the concave bearing surface of the plates.
Patent GB-199829-A (GB)
Title: Improvements in, and relating to, evaporating pans
IPC: C01D3/06
Filed: 1922-03-31
Abstract: 199,829. Pallister, F. March 31, 1922. Bulk evaporators.-Evaporating pans for brine &c. seated on brickwork flues are provided with an apronlike structure built into or resting on the brickwork so as to close interstices between the pan and the brickwork. In the form shown, a steel plate f is riveted to the walls of the pan a and is continued downwards and built into the brickwork b at the sides and one end, and rests on the brickwork at the other end. The plate may be riveted directly to the pan, or connected to it by an angle-iron g, or may be a continuation of the sides of the pan.
Patent GB-1085442-A (GB)
Title: Improvements in or relating to method of manufacturing fuel cells and fuel cells thus obtained
IPC: H01M4/86
Filed: 1965-03-04
Abstract: 1,085,442. Fuel cells. GAZ DE FRANCE. March 4, 1965 [March 6, 1964], No. 9330/66. Heading H1B. A fuel cell has coaxial electrodes formed by depositing layers on a support 1 (the anode) the first 7 being an electrolyte containing refractory oxide and the outer being a metal forming the cathode. The cathode may be used as the support and the anode as the outer layer. The molten salt electrolyte may be impregnated into the refractory oxide or may be sprayed thereon or therewith.
Patent GB-141063-A (GB)
Title: Improvements in and relating to methods and means for varying the field strength of electric machines
IPC: H02K19/36
Filed: 1920-03-31
Abstract: 141,063. Siemens - Schuckertwerke. April 26, 1917, [Convention date]. Void [Published under Sect. 91 of the Act]. Dynamos, regulating; motors, controlling.-In the method of controlling dynamo - electric machines, particularly polyphase generators connected directly to polyphase motors, by charging the field winding connexions from parallel to series, the change is effected after first short-circuiting one or more of the field windings so as to prevent the interruption of the exciting circuit. In the arrangement shown in Fig. 1, in which the field winding W is divided into two parts connected respectively to slip-rings r1, r2, the switch s2 is first closed before opening the switches s1, s3 in passing from the parallel to the series connexion. In a modification, the switch s2 is closed after opening the switch s1, and before opening the switch s3. In the application of the invention to a field winding comprising more than two parts, three switches corresponding to the switches s1, s2, s3 are arranged between each two parts. The separate windings may be wound on different parts of the field magnet. The number of poles and the direction of the current in the field windings may also be changed. Specification 11267/13 is referred to.