baber/WOPTO huggingface dataset:
Patent GB-514853-A (GB)
Title: Improvements in or relating to telegraph systems
IPC: H04L1/14
Filed: 1938-05-17
Abstract: 514,853. Type-printing telegraphy. CREED & CO., Ltd., THOMPSON, A. E., and SALMON, R. D. May 17, 1938, No. 14706. [Class 40(iii)] In a printing telegraph system a code combination is transmitted to a receiver whence it is repeated back to the transmitter for comparison with the signal as transmitted. If it was correctly received a printing signal is then transmitted but otherwise the combination is repeated until correct receipt‹ has been obtained. At the transmitter tape-controlled feelers 30, Fig. 1, are given positive or negative polarity according to the combination to be transmitted and impress corresponding polarity on segments 9a...9e of a rotary. distributor through relays AA...AE, whose contacts aa1 ... ae1 are correspondingly moved to their upper or lower positions as the arm 6 moves over the segments. During this movement of the arm the appropriate impulses are transmitted by the aerial system through a relay 11. At the receiving station a relay 22 passes corresponding impulses to the arm 16 of a synchronous distributor passing over corresponding segments 19a...19e so as to operate polarized relays CA... CE. Contacts ca1...ce1, ca2 ... ce2 of these relays are set accordingly and as the distributor spindle 18 continues its rotation a further brush 17 engages segments 21a...21e to retransmit, through relay 23, the received combination as set up in contacts ca1 ce1. This signal is received at the transmitter over relay 15, brush 7 and segments 10a...10e and passed to polarized relays BA...BE whose contacts ba1...be1 are correspondingly positioned. The contacts aa1 ... ae1, ba1...be1 are so interconnected that only if the transmitted signal and signal as received are identical is a continuous circuit formed through them. If this is the case relay 12 operates tape stepping magnet 14 is energised and a printing signal consisting of five marking impulses is transmitted from segments 13. At the receiver these impulses are received on segments 20a ... 20e to operate relays DA...DE which, by closing contacts da1 ... de1 provide an energising circuit through type selecting magnets EA...EE and printing magnet PM when a third brush 24 reaches segment 25. If the combination received back at the transmitter is not the same as that originally transmitted the relay 12 is not energised, no printing signal is sent and the tape does not move so that the same signal is repeated for the next revolution of the distributors. A combined transmitting and receiving station for two-way working on the above principle is described with reference to Fig. 2 (not shown). Specifications 369,607 and 388,625 are referred to.
Patent GB-384906-A (GB)
Title: Improvements relating to the cooling of the rotcrs of turboalternators
IPC: H02K3/24
Filed: 1932-05-24
Abstract: 384,906. Cooling dynamo - electric machines. ATELIERS, DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI, 91, Rue de l'Enseignement, Brussels. May 24, 1932, No. 14724. Convention date, June 5, 1931. [Class 35.] The rotor conductors C of a turbo-alternator are divided into two stacks 1, 2 separated by spacers 3 placed at intervals along the slot, so that the spaces between-adjacent spacers form ducts through which cooling fluid supplied through longitudinal ducts 4 at the bottom of the slots can flow radially outwards between the stacks 1, 2 and cool them by direct contact. The slot wedges 5, 7 have passages 6, 8 respectively for the inlet and outlet of the fluid.
Patent GB-955311-A (GB)
Title: Improvements in circuit arrangements comprising semiconductor devices
IPC: H03K17/72
Filed: 1960-04-27
Abstract: 955,311. Semi-conductor devices. PHILIPS ELECTRICAL INDUSTRIES Ltd. April 27, 1960 [April 28, 1959], No. 14777/60. Addition to 905,398. Heading H1K. A semi-conductor device of a type similar to that described in the parent Specification is connected in " grounded surge electrode " configuration to provide an electronic switch. Fig. 1 shows an intrinsic germanium body 1 with control electrode 2 comprising an N type zone 3, surge electrode 4 with a P type zone and base electrode 6 with an N-type zone. A reverse bias is applied to control electrode 2 to control the current between base 6 and surge 4 electrodes so that the base-surge characteristic has a positive and negative resistance regions. Resistor 8 is not essential but may be provided to decrease the current to the control electrode when the device is in the " ON " state. Switching may be effected by varying the control electrode potential or the base-surge potential.
Patent GB-1107622-A (GB)
Title: Improvements in or relating to scissor lifts
IPC: B66F7/08
Filed: 1965-04-07
Abstract: 1,107,622. Platform elevators. G. J. COKE. 7 April, 1965, No. 14829/65. Heading B8H. A platform 1 supported at each side by a pair of scissor legs 6, 7 is raised by a jack 23 which is connected between a cross-member 22, extending between brackets 19 on the outer legs 6, and brackets 26 on a cross-member 25 extending between the lower portions of the legs 7. As shown, the jack is, an hydraulic ram 23, 30 and an hydraulic power unit is supported between the legs 6, Fig 1 (not shown). Alternatively, the jack may be a screw jack.
Patent GB-484761-A (GB)
Title: Improvements relating to punching machines, particularly for use in the manufacture of biscuits or the like
IPC: A21C11/10
Filed: 1937-05-28
Abstract: 484,761. Biscuit &c. cutting-machines. GOHRING, E., and HEBENSTREIT, O. May 28, 1937, No. 14897. Convention date, July 4, 1936. [Class 87 (ii)] A machine, particularly for use in punching biscuits out of a sheet of dough, has a die frame reciprocable in the line of feed of the material by a cam or like device 31 through link 33 and lever 15, the throw of which is adjustable by means of a shaft 14 which forms the axis of oscillation of the lever and which is displaceable parallel to itself. The shaft 14 is mounted in bearings in a block 13 slidable in a slot 12 in the side frame 11 and in a similar block 16 slidable in a slot 17 in the lever 15. A Maltese cross 19 is mounted on a spindle 18 on the block 13 and has a pinion 20 meshing with a rack 24 on the frame 11 while a second Maltese cross 22 is mounted on the block 16 and carries a pinion meshing with a rack on the lever 15. A driving pin 26 carried by a disc 27 on the shaft 14 engages both crosses 19, 22, the disc 27 having locking hubs 28 engaging the peripheries of the crosses and formed with cut-out segments 28a. In order to adjust the throw of the lever 15, the shaft 14 is rotated by a hand wheel and, by means of the pin 26, the Maltese crosses 19, 22 are rotated, thus causing the blocks 13, 16 to travel along the slots 12, 17 and altering the effective length of the arms of the lever 15. The locking hubs 28 prevent rotation of the Maltese crosses during operation of the machine.
Patent GB-663002-A (GB)
Title: Improvements in or relating to goggles
IPC: G02C3/00
Filed: 1949-06-03
Abstract: 663,002. Goggles. ROGERS, T. J., and ROGERS, J. A. June 15, 1950 [June 3, 1949], No. 15005/49. Class 97 (i). Goggles comprise a strip of material consisting of two parallel beadings connected by a flat band, which strip is bent to form a frame, one of said beadings being slit around its inner periphery to form a channel in which are located the edges of a sheet of transparent material forming an eye-piece, the frame and sheet being formed to provide a recess for the nose in the lower portion. As shown, the frame 2 of yieldable material, e.g. rubber, or plastic, has tubular beadings and is bent to the shape shown, and the inner beading 4 which engages the face is cut away at the lower portion to leave only the other beading 5. This beading is slit to provide a channel 6 engaging the edges 7 of the eye-piece 1 which has a central recess for the nose. The single strip of beading 5 is held in this recess by a strap 8a engaging press-studs on the sheet 1. The latter may also be held in place by straps 13 and 14. In a modification, the sheet 1 is generally oval and has a portion pressed forwardly to provide a recess for the nose. Adjacent this recess the edge of the sheet has two slits into which the unslit ends of the tubular beading 5 are engaged to hold the beading in tension around the sheet. A short piece of beading may be attached to the lower surface of the nose recess and a strap may hold the top of the sheet within the channel in the beading. The beading may be attached to the sheet by adhesive, clips, staples or stitching.
Patent GB-1301986-A (GB)
IPC: C07C335/28
Filed: 1971-05-14
Abstract: 1301986 Phenylthiourea derivatives RHONEPOULENC SA 14 May 1971 [15 May 1970 19 Feb 1971] 15015/71 Heading C2C The invention comprises phenylthiourea derivatives of the general formula wherein R and R<SP>1</SP> are the same or different and each represents an alkyl group of 1 to 4 carbon atoms, X<SP>1</SP> and Y<SP>1</SP> are the same or different and each represents an oxygen or sulphur atom, and X<SP>2</SP> and Y<SP>2</SP> are the same or different and each represents an oxygen or sulphur atom, at. least  one of X<SP>2</SP>and Y<SP>2</SP> representing a sulphur atom. They may be prepared by (a) reacting a compound of the general formula with an o-phenylenediamine derivative of the general formula by (b) reacting an isothiocyanate of the general formula  with an o-phenylene diaminederivative of the general formula or by (c) reacting a compound of the general formula or an alkali metal derivative thereof with an isothiocyanate of the general formula The compounds of the invention may be used in fungicidal, pharmaceutical and veterinary compositions.
Patent GB-574967-A (GB)
Title: Improvements in high-frequency electrical oscillators and frequency-changers
IPC: H01J25/78
Filed: 1940-10-08
Abstract: 574,967. Cathode ray tubes. M-O VALVE CO., Ltd., RYDE, J. W., and SLOANE, R. W. Oct. 8, 1940, No. 15016. [Class 39 (i)] In an ultra high-frequency changer or multiplier a beam from a gun 1 is passed through deflecting plates to which a determined frequency is applied, through a perforated plate and then through the grids 8, 9 of an oscillator being finally received by an anode 2. As a multiplier the increase in frequency is due to the deflection of the beam over the perforated plate, a loop in the resonator taking out the higher frequency oscillations. If the resonator is caused to oscillate at some frequency the modified output is taken from the anode 2, this may be at such a potential that only the fastest electrons reach it. The resonator may be placed between the gun 1 and deflecting plates 5. A screen may be placed in front of the anode 2. Specification 328,680, [Class 39 (i)], is referred to.
Patent GB-528503-A (GB)
Title: Improvements in or relating to releasable fasteners
IPC: E05B65/19
Filed: 1939-05-20
Abstract: 528,503. Motor bonnet fastenings. SLEIGH, H. L., CHESTON, A. S., and BOOTH, J. H. May 20, 1939, No. 15058. [Class 44] A fastening, particularly for the bonnet panel 10 of a motor vehicle comprises a resilient rod 11 anchored at 15 and movable into engagement with a cooperating member by means of a cam or eccentric, which distorts the rod when in engagement so that the parts to be fastened are held together tightly by resilience of the rod. As shown, a cam 16 moves the rod to fastening position in which its free end 13 engages a hook or staple 17 mounted on the chassis 18. The rod is anchored at 15 under a lug on an attachment plate 14 secured to panel 10 by screws 25, the rod being guided and the cam rotatably mounted between the plate 14 and a bridge-piece 20 having flanges 21 riveted or welded to plate 14. As shown, end 13 is in released position. Anticlockwise rotation of the cam raises the rod so that the end 13 resiliently bears against the upper limb of member 17. The cam is retained in fastening position by the the rod riding on to flats 23, and its rotation may be effected by a handle, not shown, or by a key inserted in a non-circular hole 24 in the cam boss 19, the end of which is exposed through panel 10. Preferably, the boss is rotatable in a bearing sleeve, not shown, mounted on the panel, and provided with a movable cover-plate over hole 24. A more compact modification is described in which the rod is of U-form. The end of the rod may be of hook or other suitable form or instead of engaging directly it may carry a member adapted for engagement.
Patent GB-186654-A (GB)
Title: Improvements in or relating to adjustable limit-gauges
IPC: G01B3/44
Filed: 1921-06-01
Abstract: 186,654. Lundin, C. W. June 1, 1921. Linear dimension gauges. - Comprises means for securing the anvils in adjustable limit gauges of the snap type. The ends of the bow 1 are forked to receive a rectangular anvil 4 at one end and two rectangular anvils 6, 6 at the other end, the combined cross-sectional area of the anvils 5, 6 being equal to the sectional area of the anvil 4. The anvil 4 is long and is held in any adjusted position by a liner 8 provided with conical holes into which take conical screws 9 passing through similar holes in one limb of the fork slightly out of alignment with the holes in the liner 8, and screwing into the other limb. The liner 8 thus jams the anvil 4 against the bottom of the fork. The anvils 5, 6 on which the limits are set by moving the screws 10, 11 are similarly secured, the inner anvil 6 being also gripped by washers through which pass bolts 7. A similar bolt 7 may be fitted also to the anvil 4, and the conical bolts 9 securing the latter may engage notches in the edge of the'anvil, the liner 8 being dispensed with.
Patent GB-329166-A (GB)
Title: Improvements in or relating to fire arms
IPC: F41A17/28
Filed: 1929-05-15
Abstract: 329,166. Minondo, F. Dec 19, 1928, [Convention date]. Safety-appliances.-The safety-appliance of a firearm is released by the cheek engaging a spring-pressed stop L in the stock after correct aiming position has been assumed by the marksman. A cam K of the stop L rotates the pivoted lever H and, by means of a spring-pressed link G, withdraws a slide B adapted to lock the levers C connected to the triggers. The slide B is carried on a box A.
Patent GB-631489-A (GB)
Title: Improvements in or relating to centrifugal governors
IPC: G05D13/08
Filed: 1947-06-10
Abstract: 631,489. Centrifugal governors. FRENKEL, M. S. June 10, 1947, Nos. 15250 and 29810. [Class 57] In a centrifugal governor, balls 6 are rotated, by spiders 7 fixed to a shaft 1, and engage dished members 2, 3 that are freely rotatable. The member 2 is mounted in a ball bearing 11 in the casing and the member 3 in a ball bearing 13 in an axially guided non - rotatable member 14. The member 14 is guided by a rail 16 passing between a pair of rollers 18 carried by spindles 17. To prevent skewing of member 14, it is loaded by springs 26 abutting a carrier adjusted by pinions 30 engaging racks 29. The movement of the member 14 is transmitted through pins 19 engaging slotted levers 23. Instead of both members 2, 3 being dished, one may be plane. The relationship of the moments of inertia of the members 2, 3 is preferably I1 sin #1= I2 sin #2 where #1 and #2 are the half apex angles of the members.
Patent GB-833443-A (GB)
Title: Improved dynamic phase shifter
IPC: H02M1/04
Filed: 1956-05-16
Abstract: 833,443. Phase-shifting. SYLVANIA ELECTRIC PRODUCTS Inc. May 16, 1956 [May 20, 1955], No. 15295/56. Class 38 (2). [Also in Group XL (c)] A constant amplitude variable phase or phase-modulated wave is produced by applying an A.C. voltage across the series connection of a capacitor 3 and diode 4 whose resistance is varied by a modulation or control source 7, and taking the output from between the junction of the capacitor 3 and diode 4 and a centre tap 6 of the applied A.C. voltage. The source 7 may be a pentode whose anode current passes to HT+ through a semi-conductor diode 4. The A.C. supply may be of such amplitude that the diode 4 is always conductive, or periodically non-conducting. The modulating or control voltage may be unidirectional.
Patent GB-1353826-A (GB)
Title: Extruded plastics
IPC: B29C48/90
Filed: 1971-05-17
Abstract: 1353826 Sizing extruded plastics sections PONT-A-MOUSSON SA 17 May 1971 [4 June 1970] 15342/71 Heading B5A An extruded thermoplastics section is sized by drawing through a sizing die, with reduced frictional resistance at a smaller clearance from the sizing surfaces of the die, e.g. in comparison with vacuum sizing, by the introduction of a pressurized gas, e.g. air to between the surfaces of the section and the die. The section, Fig. 2, comprises a plastics gutter P, of semicircular section having a tubular flange b, the corresponding sizing surfaces of the die B being defined between lower and upper parts 3, 4 thereof. Pressurized air is admitted, via passages 6, 7 through the die, to a series of grooves 10, 11, extending continuously across and spaced apart along the opposed convex and concave sizing die surfaces 3a, 4a, but is not admitted to the opposed sizing die surfaces 3b, 4b defining the tubular flange b and against which the flange b is urged by pressurized air which is admitted to the flange interior through the extrusion mandrel, and retained by a plug attached to the mandrel face, e.g. by a rod or wire, and disposed downstream of the sizing die.
Patent GB-1249082-A (GB)
Title: A process for epoxidizing olefins with organic hydroperoxides
Inventor: WATTIMENA FREDDY
IPC: C07D301/19
Filed: 1970-04-01
Abstract: 1,249,082. Epoxidation catalysts. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 1 April, 1970 [2 April, 1969], No. 15376/70. Heading B1E. [Also in Division C2] Catalysts for use in the epoxidation of olefinic compounds by treatment with organic hydroperoxides comprise zirconium in chemical combination with silica and/or an inorganic silicate. Preferably the catalyst has a specific surface area of at least 1m<SP>2</SP>/g. In addition to the zirconium compound there may be present in the catalyst a promoter, e.g. a compound of magnesium, calcium, strontium or barium. There may also be present in the catalyst up to 10% by weight of an oxide or hydroxide of boron, tin niobium, tantalum, chromium, molybdenum, tungsten, rhenium, uranium, bismuth or a rare earth metal (atomic number 57-71). For comparative purposes examples are given of the use as catalyst of zirconium on a number on non-siliceous supports, metals other than zirconium on silica and various metallic compounds without siliceous compounds.
Patent GB-319236-A (GB)
Title: Improvements in or relating to the treatment of cloth
IPC: D06C7/02
Filed: 1929-05-16
Abstract: 319,236. Lindqvist, A. A. Sept. 18, 1928, [Convention date]. Passing fluids through travelling materials. - Cloth to be shrunk is fed by a permeable travelling band 1 between a steam box 5 and an impermeable travelling-band 6. The band 1 may be of metal cloth or gauze, and the band 6 of felt or closely woven material.
Patent GB-988698-A (GB)
Title: Improved roving frame builder motions
IPC: D01H1/36
Filed: 1961-04-28
Abstract: 988, 698. Roving frames. DEERING MILLIKEN RESEARCH CORPORATION. April 28, 1961 [April 29, 1960], No. 15506/61. Addition to 988, 697. Heading D1D In a conventional roving frame builder motion in which reversal of the bobbin rail traverse is initiated by the poker rack 40 oscillating through a fixed angle, the usual parallel sided slot connection between the bobbin rail 11 and the poker rack 40 is replaced by a lost motion connection including a cam surface which engages with the poker rack and has adjacent to opposite ends thereof two substantially straight cam face portions 77a, 77b offset with respect to one another in a direction substantially perpendicular to the poker rack and an intermediate portion 77b connecting the two offset cam face portions and inclined with respect to them. In the form shown two cam surfaces are opposed in mirror image relationship (see Fig. 3) such that lost motion occurs equally at both the upper and lower points of bobbin rail reversal and a package (see Fig. 4) having similarly shaped upper and lower ends is produced. Each end comprises a convex portion P c  and a conical portion P t  as opposed to the conventional conically shaped end P S . The cam surfaces may alternatively be external and face away from one another.
Patent GB-215611-A (GB)
Title: Improvements in and relating to electrically heated steam and vapour generators
IPC: F24H1/10
Filed: 1923-06-14
Abstract: 215,611. British Thomson-Houston Co., Ltd., (General Electric Co.). June 14, 1923. Heating by electricity.-A boiler 5 has electrodes 6 immersed in the contained liquid, the vapour from which passes by a pipe 11 to a coil 10 immersed in a second boiler 7, whereby the contents of the latter are heated and vaporized. The condensate in the coil is returned by a pump 13 to the first boiler. The boiler 7 has a feed inlet 8 and a vapour delivery pipe 9. The electrodes 6 may be adjusted for depth of immersion. The boiler 5 may be run at a higher temperature and pressure than the boiler 7, and to the water therein may be added calcium chloride, sodium hydroxide or similar substance to reduce the electrical resistance. The liquid used in boiler 5 may have a higher boiling point than that in boiler 7 whereby the former may be run at atmosphericpressure and the latter under high pressure.
Patent GB-612272-A (GB)
Title: Improvements in or relating to mountings for gas-turbine power plants for aircraft
IPC: B64D27/12
Filed: 1946-05-22
Abstract: 612,272. Gas turbine plant. BRISTOL AEROPLANE CO., Ltd., MARCHANT, F. C. I., and MORGAN, W. G. May 22, 1946, No. 15545. [Class 110 (iii)] Two gas turbine units mounted side by side drive a shaft 10 through a gear-box 6 and the shaft 10 drives oppositely-rotating air-screws 13 through speed-reducing gear 11. The units are secured together by the gear-box and by bridge-pieces 17 between the compressor casings and the whole is supported in the wing of an aeroplane by four rods 20 pivotally attached to the units in the same transverse plane and pivotally attached to the wing ribs 9. A bracket 28 bolted to one compressor casing has a sliding engagement, with both radial and transverse freedom, with one of two pillars 29 secured to the ribs 9 and a bracket 27, Fig. 2, secured to the other compressor casing carries a pin 31 having lengthwise freedom in the other pillar 29. The gear-box structure 11 which supports the forward end of the shaft 10 and the air-screw shafts is carried by rods 24 pivoted to the structure 11 and to the compressor casings. The pivotal connections of all the rods to the compressor casings may be by means of trough-shaped rings bolted to and embracing the flanges of the compressor casings.
Patent GB-158812-A (GB)
Title: An improved thermally-actuated electric switch
IPC: H01H61/06
Filed: 1920-08-23
Abstract: 158,812. Baker, P. W. Aug. 23, 1920. T h e r m a l switches; contacts.-In a thermally actuated switch of the kind which is mounted on a carrier adapted to engage fixed contacts on a base a tube d of metal or of insulating material is supported on the carrier a, for example by being secured to one of the blade contacts c. A fine wire winding e on the tube is connected between the blade contacts b, c of the carrier and is adapted to be shortcircuited by co-operating metal tips, one i on the free end of the tube and the other h supported in the blade contact b. The metal tip i is connected by a wire with the blade contact c if the tube is of insulating material. The tip h is adjustable, being mounted on a screw g in a sleeve fixed in the contact blade b, a lip formed by slotting the sleeve being bent so as to press upon the threads of the screw.