baber/WOPTO huggingface dataset:
Patent GB-1107278-A (GB)
Title: Photosensitive compositions
Inventor: SPRAGUE ROBERT HICKS
IPC: G03C1/73
Filed: 1965-09-15
Abstract: 1,107,278. Photographic print-out composition. HORIZONS Inc. Sept.15, 1965 [Sept. 21, 1964], No.39442/65. Heading G2C. A print-out composition comprises (1) leuco compounds(s) selected from wherein R 1 , R 2  are each H, alkyl, or substituted or unsubstituted aryl; Z is O, S, Se,=NH or = C(CH 3 ) 2 ; (2) a compound ACX 3  where each X is Cl or Br; A is H, Cl, Br, alkyl, aryl, aroyl, aralkyl, or halo -alkyl; (3) an organo-sulphur compound; and optionally (4) a sensitizing dye. The sulphur-compound (3) is selected from (a) RSH where R is a heterocyclic nucleus; (b) R-SS-R; (c) (R") 2  N-CS-S-S-CS-N(R") 2  wherein R" is H, alkyl, or aryl; (d) thioureas, (e) thioacetanilides, (f) α-mercaptoacetanilides, (g) rhodanines, (h) 2, 4-thiazolidone and (i) quinoline isothiuronium halides. The sensitizing dye may be a xanthene, cyanine, carbocyanine, thiacarbocyanine, styryl or quinoline dye.
Patent GB-875665-A (GB)
Title: Improvements in cases or containers
IPC: A24F15/06
Filed: 1957-12-19
Abstract: 875,665. Cabinets. LO HUNG HING. Dec. 19, 1957, No. 39457/57. Class 52(1) [Also in Group XVII] A cabinet which holds e.g. cigarettes and moves them to a position convenient for removal when it is opened has hinged front and top walls 4, 5 coupled to one another for opening movement, and an article carrier 8 pivoted to the side walls 1 at 10 and so coupled to the hinged walls 4, 5 as to be swung by their opening movement to present its front end upwardly towards the opening formed. The carrier 8 is moved from its rest position, Fig. 3, to its delivery position, Fig. 1, and the front wall 4 opens, by means of pivoted link 12 and links 14, 16, on opening the top 5. In a modification, the cabinet has two carriers of which the lower is moved forwards as well as being swung upwards in the delivery position.
Patent GB-1103720-A (GB)
Title: Gasblast circuit breaker
IPC: H01H33/16
Filed: 1966-09-05
Abstract: 1,103,720. Gas-blast switches. BROWN BOVERI & CO. Ltd. 5 Sept., 1966 [6 Sept., 1965; 27 Oct., 1965], No. 39575/66. Heading H1N. In a gas-blast switch having two series connected main breaks 4, 5, each with an auxiliary break 23, 25 and a resistor 26 in parallel therewith, both the main and auxiliary breaks being in gas-filled enclosures 3, 27 and the main breaks having oppositely directed fixed hollow contacts 4 associated with a common exhaust valve 16, the movable auxiliary contacts 23 are coupled to the movable part of the exhaust valve so as to be closed, and thus to connect the resistors in parallel with the main breaks, while the exhaust valve is open by a hollow rod 17 which serves also to vent the interiors of contacts 23 while the exhaust valve 16 is open. The movable contacts 5 of the main breaks are also hollow and are associated with further blast valves 11 operated in conjunction with the contact-operating device 7. In a modification (Fig. 2, not shown), the exhaust valve and therefore the auxiliary contacts are operated during closing as well as opening of the main contacts. In a further modification (Fig. 3, not shown), the auxiliary contacts are operated by the exhaust valve only during opening of the main contacts and are operated separately without the exhaust valve during closing.
Patent GB-900693-A (GB)
Title: Improvements relating to frequency modulated oscillators
Inventor: WHITE ERIC LAWRENCE CASLING
IPC: H03C3/09
Filed: 1957-12-20
Abstract: 900,693. Frequency-modulated oscillators. ELECTRIC & MUSICAL INDUSTRIES Ltd. Dec. 22, 1958 [Dec. 20, 1958; Oct. 14, 1958], Nos. 39584/57 and 32756/58. Class 40 (5). An F.M. oscillator comprises two valves 1, 2 (Fig. 1 of drawing accompanying the first Provisional Specification connected to a frequency-determining resonant circuit 6, 7, each valve being capable of sustaining oscillation in the external circuit when the other valve is not conducting, a phase-shift circuit 4, 5 being connected in the feed-back connection between the external circuit and the control grid of valve 2 only, the respective sustained oscillation being of different frequency due to this phase difference in the feedback signals. The output is taken at 8, and a common cathode resistor 3 maintains the total current drawn by the valves constant. The mean potential at the grid of valve 2 will be varied positively or negatively with respect to earth by the modulating signal 1 applied through choke 11, valve 2 carrying all the current if the modulating signal is sufficiently positive and valve 1 carrying all the current if it is sufficiently negative, so that the oscillator frequency has definite upper and lower limits corresponding to which valve carries all the cathode current. The valves may be replaced by transistors, the phase-shift circuit by different combinations of resistances, inductors and capacitances and the tuned circuit by a crystal magnetostriction resonator. A phase-shift network may also be provided between the grid of valve 1 and the tuned circuit 6, 7 and the modulating signal fed in push-pull to both grids or alternatively, the grids may be connected directly together and the phase shift network (or networks) inserted between the tuned circuit 6, 7 and one (or each) of the cathodes. In another embodiment (Fig. 3, not shown) the anodes of the valves are connected to opposite ends of the tuned circuit instead of the cathodes being connected to a common point on the tuned circuit and the anodes are crossed coupled to the grids via phase advance and phase lag networks giving equal phase-shift, to give the regenerative connection between anodes and grids. In a further embodiment (Fig. 2 of the drawings accompanying the second Provisional Specification) pairs of valves 4a, 4b and 5a, 5b are used, the feed-back connection of the controlgrids of valves 4a, 5a, including phase advance networks 11, 13 and 12, 14 and those of 4b, 5b phase-retard networks 15, 17 and 16, 18. The modulating voltage applied at 23, 24 selectively biases either 4a and 5a or 4b and 5b, thereby dividing the total current between 4a, 5a or 4b, 5b and as this division is varied the frequency of oscillation is also varied.
Patent GB-1521966-A (GB)
Title: Etching plating and enamelling metals
IPC: C25F1/06
Filed: 1974-09-12
Abstract: 1521966 Electrolytic etching of steel; Ni plating; enamelling OXY METAL INDUSTRIES CORP 11 Sept 1975 [12 Sept 1974] 39827/74 Heading C7B A steel workpiece is made the anode and is immersed in a composition comprising (A) an organic compound containing an alcoholic hydroxyl group and aliphatic unsaturation (B) an acid to etch the steel, and optionally (C) one or more surface active perfluorocarbon sulphonic acids or their salts or one or more fluoro carbon sulphonic or sulphuric acid compounds of Formula H(CF 2 CF 2 ) x (CH 2 ) y ZM where x # 2, y = 1-3, M is a cation and Z is -SO 3 - or -OSO 3 -, or 4-dodecyl-3,3'-disulpho-1,1'-diphenyl ether, and a D.C. current is passed, using insoluble cathodes, e.g. of Pb or PbSn, at a CD of 1-100 A/ft<SP>2</SP> to remove 0À1-10 g/ft<SP>2</SP> of metal from the workpiece. Compound (B) may be H 2 SO 4 , HCl, HNO 3 , or H 3 PO 4  in amount 20-600 g/l. Compounds (A) mentioned, and preferred amounts, are: allyl alcohol 0À4 to 4 g/l, but-2-ene-1-4-diol 0À15 to 2 g/l, propargyl alcohol 0À05 to 1 g/l, and but-2-yne-1,4- diol 0À02 to 1 g/l. The bath may also contain R(X) SO where X=R' or OM or OH, where R=R'=an organic radical, e.g. Na benzene sulphinate or dimethyl sulphoxide, e.g. in amount 0À5-10 g/l. In an enamelling process, steel is alkali cleaned, rinsed, alkali-cleaned electrolytically, rinsed, etched electrolytically as above, rinsed, desmolted electrolytically in alkali, rinsed and neutralized in H 2  SO 4 , electrolytically Ni-plated from a bath of 80 g/l NiSO 4 À7H 2 O, 10 g/l NH 4 Cl, 20 g/l MgSO 4 . 7H 2 O and 5 g/l H 3 BO 3  at pH 5À3 using Ni anodes at 2 A/ft<SP>2</SP> for 2 minutes, immersed in NaNO 2  solution, and then enamelled; an alternative Ni bath contains 70 g/l NiSO 4 .6À5H 2 O, 15 g/l NaCl, 12 g/l MgSO 4 , 7 g/l H 3 BO 3 ; a CD of 2 A/ft<SP>2</SP>at 20‹C for 2 minutes at pH 5À3-5À7 is used.
Patent GB-897692-A (GB)
Title: Control device for a rotary plate of a machine-tool or of a measuring machine
IPC: G05B19/35
Filed: 1959-11-24
Abstract: 897,692. Electric copying-machines. SOC. GENEVOISE-D'INSTRUMENTS DE PHYSIQUE. Nov. 24, 1959 [Dec. 16, 1958], No. 39883/59. Class 38 (6). In a system in which the rotary table of a boring or measuring machine is indexed in accordance with signals drived from a punched tape record, the devices measuring the position of the table have a manually adjustable datum setting. The table 7 is rotated by a motor M in accordance with the output of a comparator 20 which has inputs from a tape reader 22 and either a selsyn 15 for coarse position signals or a 2-phase synchro 9, 11 for fine position signals. The shaft 8 of the table 7 is connected to the rotor of the selsyn 15 by gears 35 and carries the rotor 9 of the fine measuring synchro on a resilient mounting, Fig. 5 (not shown). The stator of the selsyn 15 and the stator 11 of the synchro are carried by a ring 33 which is coaxial with the shaft 8 and which can be rotated manually by a worm gear 29 through a restricted arc.
Patent GB-1081455-A (GB)
Title: Shielding-ring arrangement for the windings of highvoltage equipment
IPC: H01F27/32
Filed: 1965-09-20
Abstract: 1,081,455. Transformers, inductors. LICENTIA PATENT-VERWALTUNGS G.m.b.H. Sept. 20, 1965 [Sept. 21, 1964], No. 39939/65. Heading HIT. A shielding ring arrangement for a transformer &c. comprises stacked shielding rings, each ring comprising a centre insulating carrier, a conductive layer on the carrier, and an outer insulating layer surrounding the conductive layer, the ends, e.g. 48, 50 and 49, 51, of each ring being unjoined so that the conductive layer is discontinuous, and wherein the end of adjacent rings are staggered so that the conductive layer of one ring shields the ends, e.g. 52, 53, of the conductive layer of the next ring. The ends of the rings have sections free from conductive layers to allow for diameter adjustments. The shielding rings may be formed from two lengths of strip, and each length may contain mutually insulated sections of conductive layer, all the ends of the discontinuities in the conductive layer being shielded by the conductive layers of the adjacent rings. The conductive sections, although separated by insulating material, may overlap (Fig. 4, not shown) so that there is no discontinuity of shielding. The staggered ends of the adjacent rings are inter-engaged, as shown in Fig. 8, and the stack of rings are bound to the last turn of the coil to be shielded by insulating tape.
Patent GB-1355844-A (GB)
Title: Overrunning clutch
IPC: F16D41/066
Filed: 1971-08-26
Abstract: 1355844 Ratchet clutches FICHTEL & SACHS AG 26 Aug 1971 [11 Sept 1970] 40047/71 Heading F2C In a one-way friction clutch wherein wedging rollers 3 jam between inclined surfaces 15 on an inner (or outer) race 1 and a cylindrical outer (or inner) race 2, an annular spring 7 housed in a circumferential groove 8 in the race having the inclined surfaces urges the rollers 3 into engagement with the cylindrical race 2. A pin 9 between the ends of the spring 7 prevents rotation of the latter relative to the race 1. In Figs. 4 and 5 (not shown) the annular spring has smaller and larger diameter portions the latter of which urge some of the rollers into contact with the cylindrical race.
Patent GB-401398-A (GB)
Abstract: 401,398. Foot-rests. JOHNSTONE, J. K., 20, Eldon Avenue, Shirley, Surrey. June 11, 1932, No. 16547. [Class 52 (ii).] In foot or leg rests for chairs of the type comprising a foot or leg supporting member 1 carried by runners 3 slidable on guide members 7 adapted to be secured beneath the seat of a chair, means are provided for securing the guide members which permit the latter to be fitted to chairs of different depths. The foot-rest 1 is pivoted at 2 to the runners 3, which are held together by a transverse rod 4. Projecting laterally from the inner end of each runner is a pin 5 carrying at its end a disc 6, and engaging in the slot in the guide members 7. The guides 7 are secured to the chair by front brackets 9 secured to or integral with the guides, and by rear brackets 10 which are slotted to allow the guides to pass therethrough, permitting adjustment for chairs of different depth. A folding support 12 which comprises two frames relatively adjustable as to height, is pivoted to the runners 13, a bail 17 retaining this support in the extended position.
Patent GB-963397-A (GB)
Title: Improvements in and relating to oil level controllers for oil burners
IPC: F16K31/20
Filed: 1960-11-23
Abstract: 963,397. Valves. A. S. BRDR. MICHAELSEN HEDENSTED METALSTOBERI OG MASKINFABRIK. Nov. 23, 1960 [Nov. 28, 1959], No. 40243/60. Heading F2V. A control arrangement for an oil burner comprises a metering valve 7, 8 having a stem 5 axially displaceable under the control of a follower 20 engaging with a cam surface 19 formed by the edge of a plate 18, the plate being secured to a slide which is movable in a plane parallel to the plate, one end of the cam surface being adjustable in the plane of the plate relatively to the slide. The lower end of the stem is of tubular form and slides in a valve housing 3, an elongated slot 8 being formed in the wall of the tube; a shoulder 6 on the stem 5 engages with a seat 7 formed on the housing. The follower 20 is secured to a pivoted lever 21 and is urged into contact with the cam surface 19 by a spring 23 in addition to a spring 10 tending to open the valve. The plate is adjustably secured at its end by screws to the slide which is provided with a rack 13 driven by a pinion 14 secured to a stem 15; an operating knob 17 is mounted on the stem. By rotation of the knob the slot 8 in the valve spindle is raised above the seat 7, the degree of lift being determined by the shape of the cam surface. In order to prevent the valve from being adjusted towards a position in which less than the minimum quantity of oil flows through the valve, the spindle 15 is arranged to move downwardly under the action of a spring 29, a projection on the spindle then engaging the end of the valve spindle 5 and thus forcing the shoulder 6 into contact with the seat 7.
Patent GB-1306895-A (GB)
Title: Tobacco smoke filters
IPC: A24D3/14
Filed: 1971-08-31
Abstract: 1306895 Tobacco-smoke filters N R DI LUZIO 31 Aug 1971 [1 Oct 1970] 40615/71 Heading A2C  N, N'-diphenyl-p-phenylenediamine is included in a filter to reduce the toxic effect of the filtered tobacco smoke on alveolar macrophages in the lung. The diamine, or preferably the diamine mixed with glutathione, may be used alone or mixed with other ingredients such as activated charcoal or impregnated into a filter carrier material such as cellulose acetate, paper, wood pulp, cotton, fibrous polyolefins, cellulose esters in fibrous or sheet form, regenerated cellulose, silica gel, alumina or tabocco.
Patent GB-1462186-A (GB)
Title: Foundations structure for buildings
IPC: E02D27/01
Filed: 1973-08-29
Abstract: 1462186 Structural joint MARLEY HOMES Ltd 3 July 1974 [29 Aug 1973] 40635/73 Heading F2M [Also in Division E1] Two structural members of T-shaped crosssection and having an additional flange at the end of the stem thereof to form a channel section, see Fig. 1 (not shown), are connected to form a corner joint by a bracket which is bolted thereto and provided with an apertured plate 20, 20a to adjustably receive a mounting member.
Patent GB-936500-A (GB)
Title: An improved method of removing carbon dioxide from water
Inventor: ROBIN BRIAN JOHN
IPC: C02F1/20
Filed: 1960-11-25
Abstract: <PICT:0936500/III/1> In a method of removing carbon dioxide from water in which the water flows down a series of superposed trays 16 in a tower 10 in countercurrent to an air blast, the depth of the water in each tray is maintained by a suitable weir 17 so that the air can pass upwardly through the numerous apertures in the tray but the water cannot pass downwards through them.  The apertures may be of various construction such as valves, bubble caps or sieves.
Patent GB-1008100-A (GB)
Title: Improvements in or relating to medicament compositions containing water-soluble salts of phenoxypropylpenicillin
Inventor: CLEAVER DAVID FREDERICK
IPC: A61K47/12
Filed: 1961-11-15
Abstract: Water-soluble salts of phenoxypropylpenicillin, e.g. the potassium salt, are stabilized against inactivation by moisture by admixing therewith a mixture of (a) anhydrous citric acid, anhydrous sodium dihydrogen citrate or anhydrous sodium hydrogen tartrate and (b) anhydrous disodium or dipotassium tartrate, anhydrous trisodium or tripotassium citrate, or anhydrous sodium potassium tartrate.ALSO:Water-soluble salts of phenoxypropylpenicillin, e.g. the potassium salt, are stabilized against inactivation by moisture by admixing therewith a mixture of (a) anhydrous citirc acid, anhydrous sodium dihydrogen citrate or anhydrous sodium hydrogen tartrate and (b) anhydrous disodium or dipotassium tartrate, anydrous trisodium or tripotassium citrate, or anhydrous sodium potassium tartrate.
Patent GB-931225-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H89/04
Filed: 1959-12-03
Abstract: 931,225. Cam-operated switches; thermal switches. BUSCH-JAEGER DURENER METALLWERKE A.G. Dec. 3, 1959 [Dec. 9, 1958], No. 41116/59. Class 38 (5). Contact levers 2, 3, operated by a cam 6 a  are made of bimetal for thermal operation also. At least one lever has a copper strip 11 to carry the current and render its associated lever responsive only to the temperature of the surrounding medium. Screws 14, 15, provided with precious metal tips, constitute adjustable fixed contacts for these two levers. Contact levers 4 and 5 are also operated by cam 6a but do not comprise bimetal. An additional bimetal contact lever 16 with corresponding fixed contact 17 may be provided. This is not cam-operated and may be utilized as a master switch to operate when associated apparatus overheats.
Patent GB-1179099-A (GB)
Title: Crystalline Polybenzyls and method for their preparation
Inventor: ISAACSON ROBERT BURTON
IPC: C08G61/02
Filed: 1967-09-11
Abstract: 1,179,099. Polymerizing aralkyl halides. ESSO RESEARCH & ENG. CO. 11 Sept., 1967, No. 41465/67. Heading C3R. Polymers are obtained by polymerizing aralkyl halides of formula where R1, R<SP>2</SP>, R<SP>3</SP>, R<SP>4</SP> and R<SP>5</SP> are hydrogen atoms or alkyl radicals and X is a halogen atom, in the presence of a catalyst comprising a Group I to III organometal compound and a metal halide of a transition metal of Group IV A , to VI A  or Group VIII, the molar ratio of the organometal compound to transition metal halide not exceeding 1. In examples, benzyl chloride, 2-methyl-5-isopropyl benzyl bromide, 2-ethyl-5-pentyl benzyl iodide and 2-cyclohexyl benzyl chloride are polymerized using as catalysts vanadium tetrachloride with triethylaluminium, vanadium trichloride with diethylaluminium chloride, titanium tetrachloride with tri-isopropyl aluminium, titanium trichloride with ethylaluminium dichloride, titanium tribromide with tri-isobutylaluminium and vanadium trichloride with triethylaluminium, the reactions taking place with cooling in n-heptane, methylene dichloride, iso-octane and cyclohexane. Other materials which may be used are mentioned.
Patent GB-1125986-A (GB)
Title: Method of manufacturing coated fibrous materials
IPC: D06N3/06
Filed: 1966-09-16
Abstract: 1,125,986. Non-metallic tubes. KURASHIKI RAYON K.K. 16 Sept., 1966 [17 Sept., 1965], No. 41544/66. Heading F2P. [Also in Divisions B2, B5 and C3] Tubes are formed by coating a tubular cloth of polyvinyl alcohol with a graft copolymer of an acrylic acid polymer as one component and a vinyl chloride polymer as the other component and extruding polyvinyl chloride in tubular form on to the coated cloth.
Patent GB-1517728-A (GB)
Title: Circuit arrangement
IPC: H04B1/62
Filed: 1975-10-10
Abstract: 1517728 Companders PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 10 Oct 1975 [15 Oct 1974] 41626/75 Heading H4R A circuit providing complementary transfer functions, particularly for noise reduction, includes followers T 1 , T 2  selectively operable 5 to apply inputs 1 or.2 to respective impedances Z 1 , Z 2 , a current mirror T 3 , T 4  causing the current through one impedance to be reflected in the other. In record/playback apparatus, an input at 1 is transferred to output 3 for monitoring and to recording output 4 with gain Z 2 /Z 1 . With switch 5 reversed, the playback signal at 2 appears at 4 unmodified and at 3 with gain Z 1 /Z 2 . Impedance Z 2  may be complex as in Specification 1,431,481.
Patent GB-1518057-A (GB)
Title: Fuel cells
IPC: H01M8/24
Filed: 1976-10-08
Abstract: 1518057 Fuel cell INSTITUT FRANCAIS DU PETROLE 8 Oct 1976 [9 Oct 1975] 41958/76 Heading H1B A fuel cell block 1 comprises a single element containing two terminal electrodes 2, 3 and intermediate electrodes, 4 to 7, defining chambers 10 to 16, the intermediate electrodes being formed by two U- or V-shaped members, 8, 9, which are insulated from each other and positioned in the cell so that one arm of each member is inserted between the two arms of the other member. During operation of the fuel cell, chambers 11, 13 and 15 are filled with electrolyte, chambers 10 and 14 are fed with a combustion supporting fluid, e.g. O 2  or air, and chambers 12 and 16 are fed with a fuel, e.g. H 2 . The intermediate electrodes may be formed from a sheet of expanded metal, e.g. each face of the arms being coated with a suitable catalyst.
Patent GB-1246358-A (GB)
Title: A coupling-member for an electrical power distribution track
IPC: H01R25/14
Filed: 1969-08-25
Abstract: 1,246,358. Mechanical switches. U.S. INDUSTRIES Inc. 25 Aug., 1969 [3 Dec., 1968], No. 42201/69. Heading H1N. [Also in Division H2] Coupling members or splice boxes 11, Fig. 2, are used to join or terminate, on site, sections of electric power distribution track 10, Fig. 3, which may receive appliance plugs substantially anywhere along its length. Each box 11 has a portion 30 which is longitudinally insertable into the end of a chamber 20 running along the track 10, until an enlarged portion 31 of splice box housing 29 abuts the track section. An elliptical cam 48 in the section 30 is then rotated by means of a screwdriver to cause engagement of the ends 47a, 47b, 54 of springy contacts 27a, 27b, 28 with track conductors 24a, 24b, 26, respectively. The contact 28 is displaced by a semi-elliptical lip 56 on the.top of the cam 48 so that the can may alternatively be rotated in a reverse direction to push the contact 28 away from the conductor 26, thus permitting selection of a two-conductor or a three-conductor circuit. The housing 29 and its cover 59 may be of plastics such as a polycarbonate and the cover 59 carries a forwardly facing guide structure 67 which slides in an upper channel 19 of the track 10 to locate the box 11 transversely with respect to the track. The track 10 may be of aluminium with insulated copper conductors and the channel 19 may also carry insulated wires. The track sections may be polarized with respect to one another and the track is also polarized with respect to appliance plugs by means of an offset in track channels 25a, 25b. A splice box may be secured to a junction-box (15, Fig. 7, not shown) at the end of a track length 10 by screws (78) passing into rear wall 41 of the housing 29. To join two track lengths 10, two splice boxes 11 are mounted back-toback by means of a double-ended strap 71 screwed to the guide extensions 67 of the two boxes 11 and having lugs 74 to locate in transverse slots 69 in the guides 67.