baber/WOPTO huggingface dataset:
Patent GB-291020-A (GB)
Title: Electrolyte for lead accumulators
IPC: H01M10/08
Filed: 1927-10-28
Abstract: 291,020. Kugel, M. May 24, 1927, [Convention date]. Addition to 280,197. Electrolytes.-In order to compensate for the loss of phosphoric acid in the storage battery electrolyte forming the subject-matter of the parent Specification, such loss occurring by combination with the lead peroxide of the positive electrode, additional quantities of phosphoric acid are added to the electrolyte during the working of the battery. The phosphoric acid may be introduced with the water added periodically to the electrolyte.
Patent GB-989184-A (GB)
Title: Temperature stabilized ultrasonic delay line
IPC: H03H9/36
Filed: 1961-08-09
Abstract: 989,184. Automatic phase control systems. CORNING GLASS WORKS. Aug. 9, 1961 [Aug. 18, 1960], No. 28824/61. Heading H3A. An ultrasonic delay line system is temperature controlled to stabilize the output phase and therefore time delay. The line may be in two parts 10, 12 having a relative time delay of about 100:1 and having electro-mechanical transducers 32, 34, 36, 38 between input and output and an intermediate voltage amplifier 30. The input and output may be phase detected in phase detectors 72, 76 and the voltage difference taken at 78 and applied to a magnetic amplifier 56 controlling the heating from a source 58, of a coil 42 in the thermostat chamber of the smaller ultrasonic line so that the phase difference between input and output is stabilized and thereby the total time delay. A temperature sensitive bridge 63, magnetic amplifier and thermostat chamber with heating coil 20 may also temperature stabilize the main portion of the ultrasonic line. Alternatively the delay line may be in one part. In a modification temperature variations of both the larger and shorter ultrasonic sections are detected by bridges and their combined output amplified by a magnetic amplifier whose output controls the heating in a thermostat chamber enclosing the shorter line. The longer line section being thermostatically controlled its temperature variation output is amplified in a magnetic amplifier before adding to the bridge output from the shorter line section. The delay line system may be used in a radar M.T.I. (moving target) system to indicate changes in time of a received signal; or for producing timing or marker pulses.
Patent GB-335736-A (GB)
Title: A new or improved changing sign or indicator for use on road, railway and like vehicles
IPC: G09F11/26
Filed: 1929-09-24
Abstract: 335,736. Cooper, G. A. Sept. 24, 1929. Moving-map and like indicators for vehicles.-A route indicator or sign for vehicles comprises an endless display band 9 which is traversed by frictional engagement with two endless belts 5, 6. The belts 5, 6 pass round rollers 3 which are geared together and are rotated by hand or mechanically by a road-wheel or other moving part. The band 9 is gripped by the belts 5, 6 during its passage round the lower roller 3, and the pressure of the belts on one another at this part may be increased by a jockey roller 12 adjustable about a point 14 by a lever and quadrant on the outside of the casing 1. The band 9 accumulates in the space between the belts 5, 6 and passes out through a slot 11 in the floor 1a. Bulging of the belts may be restricted by rigid frames 40, and the band 9 may be tensioned by a spring 39. Mechanism for moving the band 9 from a roadwheel 25 is indicated in Fig. 5, the device being mounted on a bracket &c. moving in unison with the steering of the road-wheel. A swash-plate 27 fixed to the wheel 25 reciprocates by its rotation a spring-pressed pawl-carrying member 23 and so advances step-by-step a ratchet-wheel 29 supporting a cam 30. The cam 30 bears on the hump 33a of a pivoted arm 33 connected by a wire 34 to a pivoted pawl engaging a ratchet on the upper roller 3. A spring returns this pawl and keeps the hump 33a against the cam 30. The cam 30 has slots 32 engaging pins 31 fixed to the ratchet wheel 29 to allow of a sharp return of the hump 33<a>. A clutch may be provided to disconnect this drive from the roller 3.
Patent GB-1473563-A (GB)
Title: Metal halide discharge lamp having expanded section arc tube
IPC: H01J61/33
Filed: 1974-06-28
Abstract: 1473563 Metal vapour lamps GTE SYLVANIA Inc 28 June 1974 [19 July 1973] 28930/74 Heading H1D In a metal halide discharge lamp, filled with Hg, NaI, ScI 3  and inert gas, convection is maintained as a single cell without radial flow in the region between the electrodes when the axis is other than horizontal by expanding the central region of the arc tube, e.g. when 6 inches long from 0À851 inches O.D. at the ends to 1À194 inches at the centre, corresponding to a diameter ratio of 1À4 and a ratio of arc length to maximum diameter of 3À4. The maximum diameter may occur slightly above the centre.
Patent GB-536446-A (GB)
Title: Improvements in and relating to paving setts
IPC: E01F9/06
Filed: 1939-10-30
Abstract: 536,446. Paving blocks. RODDY, E. Oct. 30, 1939, No. 28941. [Class 87 (i)] [Also in Group V] Paving setts to form white lines or other indications on roads are made from a porcelain body which when fired is white, vitreous and impervious and is composed of felspar, flint, china clay, ball clay and may contain a proportion of granite chippings, carborundum or ground pitchers. Reference has been directed by the Comptroller to Specifications 220,787, 264,199, [both in Class 87 (i)] and 485,168.
Patent GB-1292472-A (GB)
Title: Esters of diphenolic substances
Inventor: BRUZZESE TIBERIO
IPC: C07F9/58
Filed: 1970-06-16
Abstract: 1292472 Esters of diphenols SPA-SOC PRODOTTI ANTIBIOTICI SpA 10 June 1971 [16 June 1970] 29047/70 Headings C2C and C2P Novel compounds (I) (including salts thereof) where R 1  is H or C 1  to C 6  alkyl, R 2  is C 1  to C 6  alkyl or a heterocycle or CR 1 R 2  signifies a saturated or unsaturated carbocyclic or heterocyclic radical, R 3  is a polybasic inorganic acid residue (e.g. derived from sulphuric, phosphoric or sulphurous acid) and R 4  is H, acyl or R 3  with the proviso that R 4  is not sulpho when R 3  is sulpho and CR 1 R 2  signifies isopropylidene, 2-picolylidene or 3-phthalidylidene, are made by esterifying either the corresponding di - hydroxy compounds or the related dihydroxy compounds carrying halo substituent(s) on the benzene rings and which are adjacent to the hydroxy groups, in which case the halogen atom(s) are subsequently removed. Pharmaceutical preparations having laxative action contain (I) as active ingredient; administration may be orally, rectally or parenterally.
Patent GB-1472723-A (GB)
Title: Process for the production of polycyanamides
IPC: C08G73/06
Filed: 1975-07-10
Abstract: 1472723 Cyanamides SUDDEUTSCHE KALKSTICKSTOFF-WERKE AG 10 July 1975 [15 July 1974(2)] 29047/75 Heading C2C [Also in Division C3] Polycysnamides are prepared by dissolving a primary or secondary aliphatic or cycloaliphatic polyamine in an organic solvent which is not miscible with water in all proportions, intensively mixing the resulting solution with an aqueous solution of an inorganic base and reacting the mixture with a cyanogen halide at 0‹ to 45‹ C. and the polycyanamide reaction product is recovered from the organic phase of the reaction mixture, and if desired further polymerizing the product at a temperature of at least 60‹ C. The polyamine may be rendered wholly or partially inert by treatment with a weak acid before or during the reaction. The invention further comprises the compounds 3- cyanamidomethyl - 3,5,5 - trimethyleyelohexyl cyanamide, 2,2,4- and 2,4,4-trimethylhexamethylene dicyanamide, 3,3<SP>1</SP>-dimethyl-4,4<SP>1</SP>-dicyanamido - dicyclohexylmethane, polyisophorone dicyanamide and trimeric isophorone dicyanamide.
Patent GB-506582-A (GB)
Title: Improvements relating to the mounting of instruments on vehicles
IPC: F16F1/42
Filed: 1937-10-25
Abstract: 506,582. Resilient mountings. HILLIER, A. (Sperry Gyroscope Co., Inc.) Oct. 25, 1937, No. 29052. [Class 108 (iii)] [Also in Groups XX and XIX] An instrument, such as a magnetic or gyroscopic compass, is resiliently supported by a universally mounted member and is restrained from rotation about a vertical axis by means which permit other possible modes of motion. As shown, the instrument 6 is suspended by resilient mountings 7, 7', 8, 8<1>, from a ring 4 which pivots on an axis 5-5 in a ring 2 pivoting in turn about a perpendicular horizontal axis 3-3 in the binnacle 1. 27, 28 are friction dampers. Each resilient mounting comprises a shaft 12 secured at the ends to the centres of rubber discs 9, 91 which are supported at their peripheries by metal plates 10, 10<1>, secured respectively to the ring 4 and the spider 16 carrying the instrument 6. Dashpots may be provided between the ring 4 and spider 16. An anti-twist ring 17 is attached to the ring 4 by a pair of opposite spring metal brackets 18, 18<1> and to the spider 16 by.opposite brackets 21 fixed to the spider 16 and attached to the centre of wires 19 arranged as parallel chords on the ring 17.
Patent GB-454893-A (GB)
Title: Improvements in air cooling arrangements for the internal combustion engines of motor vehicles
IPC: F01P11/10
Filed: 1935-10-21
Abstract: 454,893. Heating vehicles. DAIMLER-BENZ AKT.-GES., Untert³rkheim, Stuttgart, Germany. Oct. 21, 1935, Nos. 29056 and 29057. Convention dates, Oct. 20, 1934 and Nov. 16, 1934. [Class 64 (ii)] [See also Groups XXVII and XXXI] A rotary pump d supplying air to the cooling-water radiator e also forces air through a jacket round the exhaust-silencer n and a pipe 1 to the interior of the vehicle for warming; filters p, q and a thermally-controlled throttle valve r may be provided. Alternatively the pipe 1 may branch from the outlet pipe c which then has a throttle valve controlled by a thermal device in the cooling water. Fig. 1 shows a rear-engined vehicle, the air inlet and the outlet c being at the top and bottom respectively. In a front-engined vehicle, Fig. 5, the air is forced by a fan d through a radiator e and that not flowing through the pipe e<-> escapes by side outlets c<1>, c<2>.
Patent GB-1463797-A (GB)
Title: Aspirating apparatus for entraining thread-lines
IPC: D01D11/00
Filed: 1975-07-10
Abstract: 1463797 Forwarding filamentary material E I DU PONT DE NEMOURS & CO 10 July 1975 [11 July 1974] 29062/75 Heading D1F Aspirating apparatus for selectively picking up and removing threadlines travelling at high speed comprises a suction nozzle coupled to an elongated duct 28 connected to a source of suction at one end through outlet 35 and having an elongated intake passage 27 communicating with duct 28 by way of an expansion chamber 29. A bleed orifice 37 open to atmosphere assists in the development of smooth parallel fluid flow and improved traction in the duct wherein vortex formation (and resultant twisting and accumulation of thread) is prevented by eddies created by the action of the chamber 29. A doctor blade 24 assists in capturing a broken thread-line e.g. from a roll 10 surface, and a deflector 23 may be replaced by a contact pin Fig. 5 (not shown). Closely spaced guide pins at the entrance to passage 27. Fig. 3 (not shown) prevent lateral displacement of retrieved broken threads.
Patent GB-743890-A (GB)
Title: Steroids
IPC: C07J75/00
Filed: 1953-10-21
Abstract: The invention comprises a steroid having at position 17 of the steroid nucleus an epoxy-lacto-enol acylate represented by the following formula <FORM:0743890/IV(a)/1> wherein Ac represents the acyl radical of a hydrocarbon carboxylic acid having from one to eight carbon atoms, inclusive, and the preparation thereof by reacting a steroid having at position 17 the grouping <FORM:0743890/IV(a)/2> with an organic peracid, e.g. perbenzoic acid, mono-perphthalic acid or peracetic acid.  The reaction may be effected between minus 20 DEG  and 45 DEG  C.  Subsequently the 17(20)-oxidolactone may be hydrolysed to produce a 17a  - hydroxy - 20 - ketopregnane. Examples disclose the preparation of 3(a  and b ), 23 - diacetoxy - 11 - keto - 17(20) - oxido - 21 - normethyl - 22 - choleno - 24(20) - lactone, 3,11 - diketo - 17(20) - oxido - 21 - normethyl - 23-acetoxy - 22 - choleno - 24(20) - lactone and 3a ,11a ,23 - triacetoxy - 17(20) - oxido - 21 - normethyl - 22 - choleno - 24(20) - lactone.  Specifications 733,449 and 743,160 are referred to.
Patent GB-752998-A (GB)
Title: Improvements in or relating to electrio insulators
IPC: H02G3/32
Filed: 1954-10-11
Abstract: 752,998. Clip fastenings. HIRSCHMANN, R., [trading as HIRSCHMANN RADIOTECHNISCHES WERK, R.]. Oct. 11, 1954 [Dec. 31, 1953], No. 29173/54. Class 44. [Also in Group XXXVI] An insulator for fixing cables to walls is made of flexible material and comprises a central part 2, two side parts 3 and connecting webs 4 arranged so that the webs may be folded to bring the side parts together to embrace the cable 12. Each of the parts 3 may be formed with recesses 6 which are shaped to correspond with the shape of the cable. A projection 8 having serrated sides 10 and a corresponding recess 9 may be provided in the parts 3 to hold the sides together in the folded position. In the case of a ribbon cable 12 having thickened edges 13, the cable itself holds the insulator in the closed position.
Patent GB-483920-A (GB)
Title: Improvements in or relating to pressure indicators
IPC: G01L23/04
Filed: 1936-10-27
Abstract: 483,920. Pressure-gauges. STANDARD TELEPHONES & CABLES, Ltd., and STANSFIELD, R. Oct. 27, 1936, No. 29178. [Class 106 (ii)] Relates to apparatus of the kind in which a diaphragm or disc is acted upon on one side by the varying pressure to be measured and on the other by a known applied pressure, the disc being moved to break or make an electric indicator circuit upon equalization of the pressures, and consists in substituting for the contacts a device which causes a change of magnetic flux linked with an electric circuit connected to indicating means. A body 2 threaded to screw into an opening in the cylinder is provided with a seating in which is a plate 1 which together with the body 2 is drilled with a small hole. A small disc 3 of magnetic material rests over the hole and is surrounded by an annulus 4 of slightly thicker magnetic material. An upper plate 5 of non- magnetic material is clamped above the disc and limits its movement to the extent of the above small difference in thickness. A polepiece 7 of magnetic material is provided with a small bore communicating by a pipe 6 which communicates with an air reservoir and with a pressure gauge. The upper part of the adaptor 2 contains a coil 9 surrounding a central core 10 placed against the pole-piece 7. The coil 9 is then connected in a circuit for instance so that the induced current may raise the potential on the grid of a grid-controlled gas tube sufficiently to initiate a discharge and thus operate an indicating instrument. The voltage induced across the coil 9 may be applied after amplification to one pair of deflecting plates of a cathode-ray tube, the other pair being supplied with voltage desired from any form of time base circuit. Specification 453,887, [Group XL], is referred to.
Patent GB-933859-A (GB)
IPC: C07J75/00
Filed: 1959-08-27
Abstract: The invention comprises compounds of the formulae <FORM:0933859/IV(a)/1> <FORM:0933859/IV(a)/2> (wherein R1 represents H2, H(a -OH), H(a -OAcyl), or O and in II also H(b -OH); R2 represents hydrogen, hydroxyl or acyloxy, R3 represents hydroxyl or acyloxy and in I also hydrogen, R4 represents hydrogen or a halogen atom, C1-C2 is saturated or unsaturated, X represents hydrogen or an acyl group and Y represents H(OH), H(OAcyl) or O). The compounds claimed in claims 1 and 6 of Specification 902,292 are disclaimed. The invention also relates to a process for the preparation of 6-fluoro-steroids by oxidising a D 5-3-hydroxy-16-methyl-20-ketopregnene or an ester thereof to the corresponding 5a ,6a -oxido compound, converting this into a 5a -hydroxy-6b -fluoro- or 5a -acyloxy-6b -fluoro-compound by reaction with HF or BF3, e.g. with boron trifluoride etherate, and converting the latter into a D 4-3-keto-6a -fluoro-or D 4-3-keto-6b -fluoro compound by treatment with an acid and either before or after the introduction of the D 4-3-keto-6-fluoro system introducing a hydroxyl or acyloxy group into positions 17 and/or 21, a halogen atom into position 9a  and/or a double bond between C1 and C2 in a known manner.  Detailed examples (21) illustrate the invention, and specific products include:-16a -methyl-6a -fluoro derivatives of cortisone, prednisone, 9a -fluorohydrocortisone, 6a -fluoro-17a -hydroxyprogesterone, D 4-3,20-diketo-17a ,21-hydroxypregnene, 16b -methyl-6a -fluoro derivatives of 17a -hydroxyprogesterone, D 1-17a -hydroxyprogesterone, D 4-3,20-diketo-17a ,21-dihydroxy-pregnene, D 1,4-3,20-diketo-17a -21-dihydroxypregnadiene, D 4-3,20-diketo-17a ,21-dihydroxy pregnene, and esters thereof.
Patent GB-891287-A (GB)
Title: Improvements in or relating to small sea-craft, especially ships' lifeboats and manually-operable propulsion gear therefor
IPC: B63H16/20
Filed: 1957-09-18
Abstract: 891,287. Manually operated propellers. BINMORE, J. M. July 1, 1958 [Sept. 18, 1957], No. 29341/57. Class 114. A manually operable propulsion gear for installation centrally in a fore and aft direction in a small seacraft equipped with a propeller on a shaft extending in a fore and aft direction centrally through the hull at the stern of the craft comprises a coupling shaft 14 adapted to be aligned with and coupled to said propeller shaft, a driven member (a shaft 12 in Fig. 1 and a mitre wheel 24 in the embodiment of Fig. 6) drivingly connected with the coupling shaft 14 and a plurality of parallel driving shafts 7, 8, 9..disposed athwart the craft and each cranked at each end in opposite directions to form crank handles 10, 10a, one of said driving shafts (shaft 8) being drivingly. connected (b; chain and sprocket drives 11, 11a) with the o each other driving shaft with out-of-phas relationship of the crank handles of the shafts, and said driving shaft 8 also being drivingly connected with said driven member (via sprockets and chain 13 in Fig. 1 and via a shaft 21 in Fig. 6).
Patent GB-533419-A (GB)
Title: Improvements in dielectric bodies for electric condensers and methods of manufacturing them
IPC: H01G4/12
Filed: 1939-11-06
Abstract: 533,419. Manufacture of pottery. PHILIPS LAMPS, Ltd. Nov. 6, 1939, No. 29497. Convention date, Nov. 7, 1938. [Class 87 (i)] [Also in Group XXXVI] Hollow thin-walled condenser di-electrics are formed by finely dividing titanium dioxide or a mixture therewith, applying it to a carbon core, heating to cause coherence, and subsequently oxidizing away the carbon core. In an example, finely divided rutile is suspended in methyl alcohol and deposited by electro-phoresis at 50 volts on a carbon rod. The coating is heated at 1000‹ C in air whereby the rutile layer is sintered and the carbon oxidized away, further sintering after removal from the residue of the rod, may be effected at 1450‹ C. in air on a plate of magnesium oxide. The thickness of the wall of the hollow body thus obtained is preferably less than 500Á.
Patent GB-209867-A (GB)
Title: Improvements in and relating to oscillating electric motors
IPC: H02K33/10
Filed: 1922-10-28
Abstract: 209,867. Shestopal, N. Oct. 2S, 1922. Oscillating-machines. -In motors of the kind comprising a pivoted beam a, b adapted to be rocked in one direction by gravity and in the other by an electromagnet g controlled by a rolling weight k which runs along the same beam, means operated by the weight are provided to hold the switch of the magnet closed until the movement of the beam releases it. In the construction shown in Fig. 1, the end b of the beam is pulled down by the magnet and is held down by a catch i until the weight rolls down and releases it. The beam is then rocked in tha opposite direction by gravity and the weight rolls back and closes the switch j, l. A spring catch n holds the switch closed until the rising end a of the beam releases it. In the construction shown in Fig. 5, the magnet operates the beam by pulling a rod h<2> which at the end of its movement, releases the catch n which hold the switch blades l<1>, P closed. The switch is closed by the rolling weight striking a rod j.
Patent GB-913993-A (GB)
Title: A grate for sorting purposes comprising parallel plate-shaped elements arranged in side by side relationship
IPC: F15D1/00
Filed: 1959-08-31
Abstract: 913,993. Sifting apparatus. HALSTRICK, R. Aug. 31, 1959 [Sept. 2, 1958], No. 29589/59. Class 117. Granular materials are screened by a grate comprising sets of closely adjacent plates 1, 2 on edge and combined alternately in frames of which at least one moves relative to the other, the movement being such that each plate moves in a closed circular path lying in the plane of the plate, and the plates of at least one frame has means along its length for retaining grains of the material being screened. As shown in Figs. 1 and 2 the means comprise perforations 4 evenly spaced lengthwise of the plates; each plate has, in addition, evenly spaced lugs 3 extending to the adjacent plates and, in operation, larger grains are received in the perforations and act in a similar manner to the lugs by sweeping over and cleaning adjacent plates. The lugs in one plate may alternate with the perforations therein, and motion of the frames may be such that a lug of one plate moves around a perforation in an adjacent plate. The upper edges of the plates may be in the form of successive arcs, Fig. 1, or of toothed form, Fig. 4. In Fig. 6, the perforations extend to the upper edges of the plates, and the slits in each plate may be in the same, or opposite direction, to the direction of movement of the granular material. In further embodiments lugs of various shapes are located around the perforations and may extend to the adjacent plates. Instead of being received in perforations, the grains may be held within groups of small lugs; a group of small lugs may surround a perforation which holds a large grain. Alternatively a perforation may be surrounded by a group of smaller perforations. The plates may be resiliently supported in the frames to allow their lateral deflection.
Patent GB-322587-A (GB)
Title: Improvements in or relating to shock absorbers
IPC: F16F7/06
Filed: 1928-10-13
Abstract: 322,587. Grosso, D., Grosso, O., Graziano, G., and Anderi, G. Oct. 13, 1928. Vibration-dampers.-In a vehicle shockabsorber a number of circumferentially slidable shoes are forced into frictional contact with a frictional band forming a liner for a surface on the inside of the housing, by means of a substantially prismatic hub or central member having one face making line contact with the inside of each shoe. In the construction shown in Fig. 1 the housing 1 is secured to the vehicle frame and is provided with a frictional band 4 which is engaged by four shoes 5 having flat inner faces in contact with slightly curved faces on the central member 6. When the operating-arm 9 connected to the axle rotates the member 6, the curved faces force the shoes 5 outwardly and also move them circumferentially, the resistance to the circumferential movement depending largely upon the contour of the faces. The contacting surfaces of the shoes and the central member may be of different shape from those shown and may be unsymmetrical, thereby giving different resistances according to the direction of rotation of the member 6. Three, six, or other number of shoes may be used and the internal band may be of double conical shape.