baber/WOPTO huggingface dataset:
Patent GB-1304169-A (GB)
IPC: C03C3/085
Filed: 1971-04-19
Abstract: 1304169 Glass composition PHILIPS ELECTRONIC & ASSOCIATED INDUS. TRIES Ltd 19 April 1971 [4 March 1970] 22726/71 Heading C1M A colour television faceplate is made of a glass of the compositions (percent by weight) The ranges claimed are subject to restrictions on the total of the ingredients from BaO to the end. This glass is opaque to Xrays and the temperature between annealing and softening points is at least 190‹ C. The annealing point is not less than 485‹ C. and coefficients of expansion between 98‹ and 102 x 10<SP>-7</SP> ‹ C.
Patent GB-337009-A (GB)
Title: Improvements relating to the electrical propulsion of ships and the like
IPC: H02P9/08
Filed: 1929-07-24
Abstract: 337,009. Gill, J. F., Chaviara, J. N., and Teago, F. J. July 24, 1929. Dynamos and motors combined for transmitting power.-Electric power plant comprises the combination of one or more separately driven induction generators and a single rotary converter which is provided with variable direct current excitation and serves also as the exciter of the generator or generators. The generators may be of the double squirrel cage type, and a bank of condensers used with the exciter. Two induction generators b are driven by prime movers a and drive a direct current motor h. The stators are energized by an electrically coupled rotary converter d, e having a flywheel w. The field of the rotary is excited through a reversible potentiometer r, whereby the polarity and E.M.F. of the brushes may be altered. The stators of the rotors b are indicated at c and condensers g are combined therewith whereby a smaller exciter is permissible.
Patent GB-205062-A (GB)
Title: Improvements in switching apparatus for telephone exchange systems
IPC: H01H67/16
Filed: 1923-09-11
Abstract: 205,062. McBerty, F. R. Oct. 6, 1922, [Convention date]. Automatic exchange apparatus; selectors.- -The wipers of selector in which the rotary precedes the vertical movement are relieved of the pressure of the returning spring while they are in engagement with the bank terminals. The wiper carriage may be disengaged from the, operating mechanism to allow of inspection of the wipers and the operating mechanism is arranged so that during the rotary movement the vertical mechanism is not moved and vice versa. As shown, Fig. 1, the speech and test terminals are arranged in a single bank, the two sets being separated by a metal sector 51 into which are screwed the bolts holding the bank together. The wiper carriage 3 is of insulating material and mounted on a fixed rod 4 and engages the rotary ratchet 17 by means of pins 25 and slots 26, Fig. 3. An arm 38 carried by the vertical ratchet 32 carries a pin 39 which works in a groove 40 surrounding the carriage. The magnet 11 drives the ratchet 17 against a spring 27 which is arranged inside the ratchet. Stops 22, 23 are so arranged that the armature 15 and pawl 16 respectively reach them simultaneously, to minimize wear of pawl 16. The armature-returning spring 19 is adjusted by means of a screw 21 the pitch of which is greater than that of the spring, the inside of which it engages. The ratchet 32 is operated by magnet 12 through a pawl 31. At the first vertical step the slots 26 leave the pins 25 so that the wipers are relieved of the pressure of the returning spring. Vertical release is effected by magnet 13 which disengages detent 36 and pawl 31 and allows the wiper carriage to drop to its lowest position, in which it is in engagement with the rotary ratchet, after which, e.g. by means of vertical off-normal springs 44, magnet 14 is operated and releases the rotary ratchet. The supporting frame 1 is stamped from sheet metal, the supporting members 8 - - 10 being integral with it, and most of the other parts are also stamped from sheet metal. The insulating parts are machined from hard rubber, a phenolic condensation substance &c.
Patent GB-750681-A (GB)
Title: Means for fixing electrical coils on iron cores
Inventor: LADELL EMIL
IPC: H01F30/10
Filed: 1954-08-06
Abstract: 750,681. Transformers and inductors. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Aug. 6, 1954, No. 22883/54. Class 38 (2). [Also in Group XI] Electrical coils 1 slid on a smooth iron yoke 2, e.g. the coils of a stirring winding under an electric furnace, are held in position by bars 3 extending longitudinally of the yoke, preferably over all the coils, the bars being held on opposite sides of the coil by bolts 4 and nuts 5. The bars 3 are of magnetic or non-magnetic material and are insulated from the coils 1. The bolts 4 are insulated from the laminated yoke by sleeves 6.
Patent GB-184076-A (GB)
Title: Improvements in or relating to apparatus for operating railway and like points
IPC: B61L21/06
Filed: 1921-08-29
Abstract: 184,076. Swales, F. Aug. 29, 1921. Ground levers; spring operation.- A controlling-device for railway points comprising a spring, a cam-member having two opposed surfaces, and a contact member, is provided with a movable cam member 19 held fast until the contact roller 9 has passed the deadcentre when it is released so as to direct the roller into the other position. The roller 9 is carried by one arm 8 of a lever 3, which is connected to the point rod 7 and has two arms 4, 5 for engagement with a weighted hand-lever 2, which is normally vertical and is stationary when the points are trailed through. The roller 9 engages a cam 17 upon a member 10 to which is secured a rod 11 carrying a spring 15 within an adjustable casing 12. Pivoted to the cam 17 at 18 is a cam plate 19 which is held in either position by catches 21 spring-pressed at 23 and retained by limit stops 24. Each catch has a tail 22 engaged by the roller 9 to free the plate 19 when the roller has passed the deadcentre. For one-way operation, the plate 19 may be locked by pins passing through holes 26. The member 10 is guided by rollers 10<b> engaging surfaces 10<a> in the casing 1. Pins or a plate 25 form a stop for the plate 19. The member 10 may consist of upper and lower plates, as shown, or it may be solid. In a modification, the member 10 is fixed while the arm 8 is telescopic and carries a spring to keep the roller 9 in contact with the plate 19. Further, the lever 3 may have two sets of arms 4, 5 so that it may be actuated by a band-lever placed on either side of the casing.
Patent GB-694578-A (GB)
Title: Improvements in or relating to pipes or conduits
IPC: F16L9/22
Filed: 1950-09-19
Abstract: 694,578. Well casing. BOLTON, C. A. Sept. 7, 1951 [Sept. 19, 1950; Nov. 10, 1950], Nos. 22921/50 and 27489/50. Class 85 [Also in Groups I and XXVIII] A tubular casing or structure, particularly for use in wells, is built up of curved panels the radius of curvature and width of which is determined by the required - diameter of the casing, the panels being secured in circumferential arrangement, preferably by flanges b riveted, bolted or welded together, whilst the panels of the initial part of the casing are of different lengths so that the rest of the panels are in staggered disposition. Strengthening bars g may be positioned between adjacent flanges and secured to said flanges and have at intervals projecting therefrom centralizing plates h. The panels may be formed of expanded metal or have elongated hooded perforations formed therein and the casing may be internally reinforced by a helix of wire rod.
Patent GB-833178-A (GB)
Title: Multi-stage carburettor for internal combustion engines
IPC: F02M11/02
Filed: 1958-07-17
Abstract: 833,178. Carburetters. AUGUST, P. July 17, 1958, No. 22987/58. Class 7(3) A secondary carburetter stage in addition to its outlet control throttle valve 11 is provided with valve means 12 for controlling the air intake of the secondary stage and is directly communicated with the outlet of the main carburetter stage below the throttle valve 5 of the latter so that both carburetter stages have a common outlet for their connection with the usual intake of an engine the air control valve 12 being independently operable either by hand or automatically and being at the same time operatively connected with the outlet control throttle valve of the secondary carburetter stage which in turn is operatively connected with the throttle valve of the main carburetter stage the arrangement of these operative connections being such that when closing the air control valve the outlet control throttle valve of the secondary carburetter stage is opened and that when opening the throttle valve of the main carburetter stage beyond a certain angle the outlet control throttle valve of the secondary carburetter stage will also be opened independently of the position of its air control valve. The air control valve 12 may be operated by a heat controlled means such as a bimetallic spring means (not shown). The position of the valves 5, 11 and 12 shown is that for starting the engine for which purpose by means of the Bowden cable 13 the air control valve 12 is closed and the throttle 11 is opened. The engine operated by the starter receives from the carburetter B a fat fuel air mixture ensuring a perfect start in the cold condition. As the warming up of the engine proceeds the air control valve 12 may be gradually opened thereby gradually closing the throttle valve 11 and increasing the air proportion of the mixture. Driving of the motor car may be started by operating the gas control lever and thereby opening the throttle valve 5 of the main carburetter A. When the engine is sufficiently warmed up the air control valve 12 is somewhat opened and the throttle valve 11 is correspondingly closed. When the throttle valve 5 is more or less entirely opened the operative connection 15 opens the throttle valve 11 additionally and independently of the position of the air control valve 12 which if desired may be closed. The throttle 5 is operatively connected with the gas control lever (not shown) which controls the main fuel nozzle 2 as schematically indicated at 16. The auxiliary fuel nozzle is indicated at 7. The float chamber 10 is arranged'between the carburetters.
Patent GB-1152411-A (GB)
Title: Plate Stretcher
IPC: B21D25/00
Filed: 1966-05-24
Abstract: 1,152,411. Stretching. BALDWIN-LIMAHAMILTON CORP. 24 May, 1966 [24 May, 1965], No. 23053/66. Heading B3E. A plate stretcher including a stationary gripper head assembly and a movable gripper head assembly has each gripper head assembly comprising a pair of angular disposed spaced apart faces, a plurality of paired sets of gripper jaws slidingly supported in opposed relation on the faces, the faces being at an angle such that the forward edges thereof are closer than the rear edges whereby the jaws move closer together as they slide toward the forward edge of the face, blocking means including edges behind selected sets of jaws and means for moving the wedges to a position blocking rearward movement of the gripper jaws. A fixed gripper head assembly (16), Figs. 1B, 2 (not shown), is positioned by locking pins (30) engaging elongated holes (26) in side rails (22), (24). The assembly (16) is connected through shock absorbers (52), (54) with a back-up block (32) positioned on the rails (22), (24) and the machine base itself is provided with shock absorbers (56), (58) bearing on the foundation (13). A movable gripper head assembly 14 is slidably mounted on the rails (22), (24) and is moved in the stretch direction by a ram (60), Fig. 1A (not shown), acting through four connecting rods 88, 90. Hydraulic cylinders (102), (104) also serve to advance and retract the gripper head 14. Gripper jaws 18, 20 are moved down inclined supports 110, 112 on the gripper heads, by a piston 142 connected to the jaws by rods 152, 154, so as to grip a plate 106 to be stretched. To block rearward movement of the jaws 18, 20, if the plate 106 should break, a wedge 168 is moved by a piston 184 to engage the rear of the jaws, the wedge 168 sliding on a block 176 on the gripper head. To prevent the remnant of plate 106 from flying back, the jaw 20 is provided with a stop 192 engaging the edge of the plate.
Patent GB-279990-A (GB)
Title: Improvements in the manufacture of wetting-out agents and the like
IPC: C09K23/00
Filed: 1926-09-20
Abstract: 279,990. British Dyestuffs Corporation, Ltd., Baddiley, J., and Chapman, E. Sept. 20, 1926. Sulphonic acids.-Substances having wetting- out properties are obtained by sulphonating mineral oil fractions of which the bulk is susceptible of sulphonation and which have an initial boiling point not lower than 200 C., and preferably above 240 C. Examples are given of the sulphonation of fractions of the extract obtained by treating Borneo petroleum with liquid sulphur dioxide and fractions obtained in oil cracking processes. Specification 274,611 is referred to.
Patent GB-761713-A (GB)
Title: Snap action device
IPC: H01H5/30
Filed: 1954-08-10
Abstract: 761,713. Snap-action springs. SIGNALSTAT CORPORATION. Aug. 10, 1954 [Aug. 18, 1953], No. 23175/54. Class 108(3). A snap action device comprises a vane 20 of resilient material having an initial bending line provided by a substantially linear preset deformation 25 extending thereacross and interrupted intermediate its ends to leave the central area of the vane free of preset deformation. As shown, applied to the switch for a flasher unit, the preset deformation comprises spaced embossments 25, 25. A high resistance wire in the form of a flat strip 30 is secured at 31, 31, to turned-over corners 22, 22, of the vane 20. The latter is mounted by a conductive bar 40, spot welded to the vane 20 and rivetted to an insulated base, Fig. 12 (not shown). The length of the strip 30 when cool is such that when it is initially secured at 31, 31, to the vane 20, it applies a force which snaps the vane 20 about a dead centre. When electric current flows through the strip 30, it expands and releases the tension acting across the vane 20 which then snaps back across its dead-centre.
Patent GB-1091944-A (GB)
Title: Improvements in or relating to dynamo electric machine alternating current winding conductor bars
Inventor: REECE ALBERT BENJAMIN JOHN
IPC: H02K3/22
Filed: 1963-06-11
Abstract: 1,091,944 Conductor bars for dynamoelectric machines. ENGLISH ELECTRIC CO. Ltd. June 10, 1964 [June 11, 1963], No. 23190/63. Heading H2A. A dynamoelectric machine A.C. winding conductor bar comprises two adjacent stacks of mutually insulated current and cooling medium carrying hollow conductor strands arranged to form a conductor member 10 having two shaped end portions and an intermediate straight portion over the length of which the separate strands are mutually transposed, and a number of solid current-carrying conductor strands 11 which are electrically insulated from one another and from the conductor member and form a stack on each side of the conductor member about which member the strands are mutually transposed. The bar is suitable for a large alternator stator and both transpositions may be through 360 degrees, that of the solid Cu strands being at either the intermediate straight or end portions of the member 10.
Patent GB-296558-A (GB)
Title: Improvements in the production of nickel and/or cobalt carbonyl
IPC: C22B23/06
Filed: 1927-09-05
Abstract: 296,558. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Sept. 5, 1927. Carbonyl processes.-Pure nickel and cobalt may be prepared from carbonyl obtained by treating with carbon monoxide the corresponding metals prepared from ammonium compounds. The ammonium compounds mav be obtained by leaching ores or metallurgical products with ammonia or solutions containing free ammonia.
Patent GB-864991-A (GB)
Title: Improvements in or relating to the passage of solids between fluidized beds
IPC: B01J8/00
Filed: 1958-07-21
Abstract: <PICT:0864991/III/1> In a fluidised bed reactor having superposed beds the passage of solids down standpipes terminating above the next lower bed is facilitated by restricting the outlets, e.g. by giving them a frusto-conical shape Re, Fig. 2, forming the bottom of said pipes with apertured plates, Figs. 4 and 5 (not shown), or varying the outlet size with a slide valve, Fig. 6 (not shown).  A further modification, Fig. 7 (not shown), has a frusto-conical outlet with an inverted frusto-conical baffle above it, and another, Fig. 9 (not shown), has a cylindrical outlet with a frusto-conical baffle in it having a perforated top.  A final modification, Fig. 8 (not shown), has one or more valves each centrally pivoted in its own plane.  The invention may be applied to processes and reactors for treating pyrites or sulpharsenides as disclosed in Specifications 755,259, 757,547, 758,956, 759,713, 844,506, 853,741 and 857,350.
Patent GB-761011-A (GB)
Title: Improvements in or relating to tunnel transport systems
IPC: B61B13/10
Filed: 1954-08-11
Abstract: 761,011. Tunnel transport systems. MACULAN, R. Aug. 11, 1954 [Aug. 12, 1953], No. 23346/54. Class 104 (2). In a tunnel transport system in which vehicles are guided in a circular concrete tube, the entire inner wall of the tube 4 serves as a rail-less road surface for the wheels 1, 2 of the vehicle 3. The wheels 1 are the driving wheels and are arranged one behind the other along the underside of the vehicle 3; the wheels 2 are stabilizing or supporting wheels. All the wheels are rubber tyred and spring mounted. The vehicle may be held in the. horizontal position by gyroscopic stabilizers.
Patent GB-1421755-A (GB)
Title: Material analysis
IPC: G01N23/10
Filed: 1972-05-18
Abstract: 1421755 Photo-electric analysis of materials BRITISH STEEL CORP 18 May 1973 [18 May 1972] 23388/72 Heading G1A Apparatus for material analysis comprises radio-active sources arranged to project radiation beams of different energies along substantially the same path through the material and sensing means arranged to receive the beams of different energies after transmission through the material to produce outputs respectively representative of the intensities of the beams after transmission. As described, the material is an iron ore sinter mix analyized for carbon content, the sources 4, which are arranged one behind the other to simultaneously project radiation through the material, being Americuim 241 and Caesium 137. The sensing device comprises a scintillation crystal 10, e.g. sodium iodide, and a photo-multiplier 12, or a solid state detector, e.g. lithium drifted germanium, whose output is applied to an analyzer 14 having voltage windows respectively corresponding to selected energy range of the beams. A third window may be provided for random radiations to compensate the outputs. The output of the analyzer is applied to a circuit 16 for direct read-out of the carbon content. The apparatus can be used to analyze material moving on a conveyer, and materials such as coke for ore contamination, coke breeze or coke for ash contamination, iron ore for iron and coal for ash (or volatiles) may be analyzed with suitable choice of radio-active sources.
Patent GB-1116253-A (GB)
Title: Adhesive compositions
IPC: C09J155/02
Filed: 1965-06-02
Abstract: An adhesive composition comprises (A) a copolymer of butadiene, styrene, and acrylonitrile, either random or graft; and (B) a mixture of solvents, (a) one solvent of which is a swelling agent for the polymer and slow to evaporate, and (b) another solvent which is a diluent for the polymer and has a rapid evaporation rate.  Suitable solvents (a) are benzene and toluene and (b) methyl ethyl ketone and ethyl acetate.  Other solvents including cyclohexanone can also be present.  The composition may contain ketonic resins, mineral filler, plasticizers such as dioctyl phthalate and setting retardants such as dimethyl formamide.
Patent GB-1333463-A (GB)
Title: Process for preparing low bulk viscosity polymers
IPC: C08F36/04
Filed: 1971-04-19
Abstract: 1333463 Solution polymerization of hydrocarbons ESSO RESEARCH & ENG CO 19 April 1971 [26 March 1970] 23609/71 Heading C3P Hydrocarbon polymers are prepared solution polymerization in a solvent vehicle which (1) is a solvent for the monomers to be polymerized and for the polymer to be formed and (2) has a. lower critical solution temperature for the solvent-polymer system which is below the polymerization temperature, and (3) at the polymerization temperature results in the formation of a polymer-rich phase of viscosity 1 to 10,000 cps. and a solvent-rich phase. The reaction product may be maintained at a temperature above the lower critical solution temperature and allowed to stand for a time sufficient to separate the product into a lighter solvent-rich phase, which may be recycled to the. reactor, and a heavier polymer rich phase. The process may be used in the copolymerization of C 4-6  conjugated dienes and isoolefins in the presence of a catalyst selected from aluminium bromide and ethyl aluminium dichloride promoted with hydrogen chloride or C 3-7  organic halides. The process may be effected in propane at -30‹ to -80‹ C. Examples describe the copolymerization of isoprene and isobutylene in propane and hexane in the presence of ethyl aluminium dichloride and benzyl chloride.
Patent GB-373023-A (GB)
Title: Improvements in calculating devices
IPC: G06G1/14
Filed: 1931-08-22
Abstract: 373,023. Calculating apparatus. BRAUN, E., 23A, Dessauerstrasse, Zerbst, Anhalt, Germany. Aug. 22, 1931, No. 23676. [Class 106 (i).] The invention comprises a de vice for calculating the relations between the diameter a n ( speed of rotation of turned worl and the cutting speeds of variou materials. The cutting speed is set by a slider a and the diam eter of the worl by a slider b To the sliders b a are secured rod: i, h both slidably passing through a guide block k pivoted to the extensible part c<1> of an arm c pivoted at r. A pointer m on the arm c indicates the speed of rotation on an arcuate scale n.
Patent GB-1107553-A (GB)
Title: í¸-3-desoxo-steroids
IPC: A61K31/567
Filed: 1965-06-03
Abstract: Novel 7a -methyl D 5(10)-estrenes which are unsubstitute in the 3-position and which contain in the 17-position a keto group or the group OX(a Y) in which X is H or acyl and Y is H or C1- 4 alkyl, alkenyl or alkynyl are prepared by removal of 3-keto group from the corresponding D 5(10)-3-ones by thioketalization and reductive splitting.  The starting materials contain in position-17 a 17b -hydroxy or -acyloxy group with or without a 17a -alky or -alkenyl group and these 17-substituents may be converted to other 17-substituents by standard procedures.  The steroids of the invention, which are stated to have ovulation-inhibiting, gonad-inhibiting, anabolic, estrogenic and androgenic properties, may be made up into pharmaceutical preparations for oral or parenteral administration with suitable carriers.
Patent GB-682678-A (GB)
Title: Improvements relating to ferrous alloys
IPC: C22C38/54
Filed: 1949-09-15
Abstract: A ferritic steel contains 0.03-0.095 C, 0.01-0.1 B and 0.1-2 of a carbide former (i.e. Ti or Nb).  The following elements may be present-less than 0.1 P, less than 0.1 S, 1-3 Mn, 0.08-3 Si, 0.05-5 Ni, 0.05-5 Cu, 0.05-7 Cr, 0.001-2 Al, and 0.001-2 Mo. Titanium should preferably be present in at least four times, and niobium at least eight times the quantity of carbon.  All amounts are expressed as per cent.  The alloy is heat-treated by hardening at 2000 DEG -2100 DEG F. and quenching followed by tempering at 800 DEG -1200 DEG F.  The Specification as open to inspection under Sect. 91, comprises also alloys in which Zr is used as a carbide former.  This subject-matter does not appear in the Specification as accepted.