baber/WOPTO huggingface dataset:
Patent GB-696177-A (GB)
Title: Improvements in or relating to push chairs
IPC: B62B7/02
Filed: 1950-10-18
Abstract: 696,177. Collapsable push-chairs. HILL, G. B. Jan. 18, 1952 [Oct. 18, 1950], No. 25361/50. Class 108 (i). A push-chair has handle members 1 pivoted at 3 to the body 2, the lower ends 4 being bifurcated to accommodate road-wheels 5, the upper ends having pin-and-slot connection with hand grip members 6 to allow of collapsing. The members 1 are retained in position by clips 12 and by detents 14 on the prop stays 15 engaging the lugs 13 on the ends 4. The prop stays are pivoted at 16 to the body 2 and are extended at 18 to form foot-rests. When collapsed the ends 28, of the handle members 1 which have been rotated about the pivot 3, engage sockets provided on a pedal cycle to enable the push-chair to be used as a pillion seat.
Patent GB-857187-A (GB)
Title: Improvements in or relating to radio frequency transformers
Inventor: MARRIOTT CHARLES FREDERICK
IPC: H01F5/02
Filed: 1958-08-08
Abstract: 857,187. Transformers. A.T. & E. (BRIDGNORTH) Ltd. July 22, 1959 [Aug. 8, 1958], No. 25479/58. Class 38 (2). A radio-frequency transformer for a frequency discriminator (Fig. 1) having tuned primary and secondary windings, has the secondary centre tapped at D, the two halves being electrically balanced with respect to each other by winding them in opposite senses and in overlapping relationship at 3 (Fig. 2) on a part of the former 2 away from the primary winding 1. To obtain exact balance the part of the former on which the secondary is wound is provided with circumferential grooves 6 (Fig. 3) and two diametrically-opposite longitudinal grooves 7, one half of a first secondary turn being wound in a circumferential groove 6 starting at one longitudinal groove 7 for 180 degrees to the opposite groove 7 where the wire is taken to the next circumferential groove and the remaining 180 degrees of the turn is wound therein after which the wire is taken to the succeeding groove for a further 180 degrees and so on until the correct number of turns has been made. The vacant 180 degrees spaces in the grooves are then filled by winding the coils of the other half of the secondary winding in them in the same way but in the opposite direction. Tuning slugs 4, 5 are provided.
Patent GB-977893-A (GB)
Title: A process and apparatus for measuring the co content of the waste gases in steelmaking processes
IPC: C21C5/40
Filed: 1963-06-27
Abstract: <PICT:0977893/C6-C7/1> The CO content of waste gas in an oxygen-blown steelmaking process is measured by injecting oxygen or an oxygen-containing gas into the waste gas stream 2 to produce a test flame 6 by the burning of CO to CO2 and measuring by means of a photo-cell 8 the intensity of the radiation of the flame through an intervening layer of the waste gas in order to absorb disturbing radiation resulting from sublimed iron contained in the waste gas. In the arrangement shown, the photo-cell 8 detects the radiation intensity of the sublimed iron heated in the flame 6 since the iron radiates in the visible wavelength range and this radiation intensity is dependent on the CO content of the waste gas.  Oxygen from a pipe 3 is introduced into the waste gas 2 through a nozzle 4 so that the resulting flame is at a pre-determined distance from the photo-cell 8.  The layer of unaffected waste gas between the flame 6 and the photo-cell 8 filters out any radiation resulting from sublimed iron contained in the gas.  Any background radiation in the waste gas is detected by a second photo-cell 14 and its measurement is used to compensate the measurement made with the photo-cell 8.
Patent GB-1044858-A (GB)
Title: A master cylinder for vehicular hydraulic braking systems
IPC: B60T8/26
Filed: 1965-06-16
Abstract: 1,044,858. Hydraulic brakes. KELSEY. HAYES CO. June 16, 1965 [June 18, 1964], No. 25535/65. Heading F2F. A master cylinder for an hydraulic brake system producing differential braking between the front and rear wheel brakes, comprises first and second pistons 32, 38 connected respectively to first and second sides of a piston 64 which is biased against the fluid pressure produced by the first piston 32 by means of a spring 74 and of which the first side is of greater effective area than the second side. The pistons 32, 38 are connected together and actuated by a rod 30 which is operated by a booster or by manual force. Fluid displaced by the first piston 32 passes through passages 48, 52 to the rear brake cylinders and also acts upwards on the lower side of the piston 64. Fluid displaced by the second piston 38 passes through passages 58, 60, 12 to the front brake cylinders and also acts downwards on the upper side of the piston 64, the effective area of this side being the annulus around a plunger 70 which extends from the piston through a seal 80 to be acted upon by the spring 74. Fluid from the chamber 36 containing the first piston 32 can pass through a passage 56 into the chamber 42 containing the second piston 38 until the passage is closed by movement of the pistons. As fluid is displaced to the brake cylinders the pressure in the chambers is initially equal, but when an hydraulic pressure about 300 p.s.i. is reached the piston 64 is raised against the action of the spring 74 causing fluid to be displaced to the front brake cylinders, and thereafter the pressure to the rear brake cylinders rises more slowly than the pressure supplied to the front brake cylinders. Passages in the pistons 64, 38 permit unidirectional flow from the chamber 36 to ensure that the pressure supplied to the front brake cylinders is never less than that supplied to the rear brakes.
Patent GB-1394504-A (GB)
Title: 1,2-bis-4-phenyl-1-piperazinyl-ethane derivatives
IPC: A61P25/04
Filed: 1973-05-30
Abstract: 1394504 1,2 - Bis - (4 - phenyl - 1 - piperazinyl)-ethanes E BOUCHARA 30 May 1973 [2 June 1972] 25667/73 Heading C2C Novel 1,2 - bis - (4 - phenyl - 1 - piperazinyl)- ethanes of the general formula wherein each of R 1  and R 2  is a halogen atom or a trifluoromethyl or C 1-6  alkyl group, and acid addition salts thereof are prepared by refluxing a 1-phenyl-piperazine of the general formula with (a) a 1-phenyl-4-(#-haloethyl)piperazine of the general formula wherein X is a halogen atom, or (b) when R 1  = R 2 , a 1,2-dihaloethane in an organic solvent in the presence of an acid acceptor, followed optionally by salification of the product. Pharmaceutical compositions having hypolipemic, analgesic and antiinflammatory activity comprise, as active ingredient, a 1,2 - bis -(4- phenyl - 1 - piperazinyl)ethane of the first general formula above or a therapeutically acceptable acid addition salt thereof, together with a therapeutrically acceptable carrier.
Patent GB-307733-A (GB)
Title: Electrostatic acoustic device for transmitting and receiving purposes
IPC: H04R19/00
Filed: 1928-09-07
Abstract: 307,733. Newcombe-Hawley, Inc., (Assignees of Kyle, C). March 12, 1928, [Convention date]. Condenser telephones; diaphragms.-An electrostatic transmitter or reproducer comprises a perforated conductor plate A, a perforated dielectric plate B, a thin metal diaphragm C and a perforated clamping plate D. Bolts 5 surrounded by insulating sleeves 6 serve to clamp the parts together, the bolts being preferably arranged at staggered intervals and the large area diaphragm being divided up into a number of co-operating diaphragms of comparatively small area. The perforations 3 in the dielectric plate are concentric with and larger than the perforations 2 in the plate A whilst the perforations 4 in the plate D are concentric with and of substantially the same size as those in the dielectric plate:. The diaphragm may be of steel, brass, aluminium &c or of thin shim metal or leaf metal such as gold leaf, aluminium leaf &c. In the modification, Fig. 3. the dielectric member H is made flexible and unperforated and is clamped together with the flexible conductor J between the raised surfaces 17 on the plate G and the solid portions 20 of the clamping plate F.
Patent GB-1309618-A (GB)
Title: Process for the production of carbon black
IPC: C09C1/50
Filed: 1971-04-19
Abstract: 1309618 Carbon black CABOT CORP 19 April 1971 [19 Feb 1970 2 April 1970] 25781/71 Heading C1A Carbon black is produced by (A) providing an enclosed gas stream, e.g. in zone 350, comprising combustion product gases, free oxygen or mixtures thereof, (B) providing at least one stream containing an atomized feedstock by (i) combusting a fluid fuel with an oxygen containing gas, e.g. in zone 10, and accelerating the resulting stream to a kinetic head of at least 3 p.s.i., said free oxygen-containing gas comprising at least 20 volume per cent of molecular oxygen and the amount thereof employed be sufficient to provide between 50 and 500% of the molecular oxygen required to react with said fluid fuel and (ii) injecting substantially transversely, i.e. at an angle ranging from 45 to 135 degrees to the direction of flow, e.g. via orifice 90 into said accelerated combustion product stream at least one unfragmented coherent stream of liquid hydrocarbon feedstock at a rate sufficient to provide a kinetic head ratio between said combustion product gas stream and said liquid feedstock stream of between 1 : 3 and 1 : 100; (C) conducting the atomized stream of step (B) substantially transversely, e.g. via orifice 150, into the periphery of gas stream of step (A) above at a rate and under conditions to assure, within the resulting mixture the attainment of a temp. of at least 2400 F. and the creations of carbon forming conditions and (D) quenching the resultant mixture sufficiently downstream of the injection port 150 to assure sufficient residence times under said carbon forming conditions for carbon particle formation to occur. Preferably the enclosed gas stream in step (A) is a free-oxygen containing gas stream comprising at least 20 volume per cent oxygen. Alternatively this gas stream may be produced by the combustion of a fluid fuel with an oxygen containing gas in a suitable burner (Fig. 1, not shown). The amount of oxygen utilized in this combustion is preferably such as to provide between 80 and 350% of that required to complete combustion. The fluid fuel is preferably methane. The oxygen-containing gas utilized in stage (i) of step (B) may comprise more than 90 mole per cent of molecular oxygen and the fuel used in this stage may similarly be methane. The combustion products of stage (i) of step (B) are preferably accelerated to a kinetic head of greater than 5 p.s.i. The hydrocarbon feedstock used is preferably a residual refinery tar, and it may be injected into the combustion product stream at an angle between 45 and 95 degrees thereto, preferably as a plurality of coherent unfragmented jets. The heat release rate of the combustion reaction of stage (i) of step (B) is greater than 20 x 10<SP>6</SP> preferably greater than 1000 x 10<SP>6</SP> B.Th.U.s/hr./ft<SP>3</SP> of combustion zone volume. The mix formed in step (C) may attain a temp. of above 3000 F. and the residence time between steps (C) and (D) is between 1 and 100 millisecs.
Patent GB-1286209-A (GB)
Title: Fluid control valves
IPC: F16K11/16
Filed: 1970-05-29
Abstract: 1286209 Valves INTERNATIONAL HARVESTER CO 29 May 1970 [10 July 1969] 25924/70 Heading F2V A directional control valve for controlling the supply and exhaust of pressure fluid to and from a motor, comprises a housing with inlet 3 and a motor port 15, 16 or 17, 18. A valve spool 60 is movable from the neutral position shown in which the motor port is isolated, to operated positions wherein it communicates with the inlet or with an exhaust port 20 or 21. Positioned in the inlet is a flow-responsive device which engages the spool in an operated position to hold it there until flow has ceased. As shown, this device comprises a cup-shaped member 90 apertured at 94 and engaging a stem 81 in its lifted position through spring 91 and washer 93. The stem is cammed selectively into detent grooves 67, 68 and in these positions lifts a pilot valve (45), Fig. 2 (not shown), to release pressure from behind a valve piston (41) which then opens to establish the flow into the spool bore. Similar pilot-operated valves 31, 33 are incorporated in the motor ports, actuated by camming surfaces 63, 65 and 72, 73 to allow return flow to the exhaust ports. These valves open automatically when the motor ports are being supplied through the spool bore. The spool is spring centred by means 100. In a float position of the spool to the far right, designated by lettered line F, the stem 81 drops down a cam surface 74 to allow the inlet valve (41) to close, whilst the valves 31, 33 in the motor ports are actuated to open position by cam surfaces 62, 64 and 73, the motor ports being then in direct communication with each other and with the exhaust ports, through chambers A to E. In this position, the spool is held by a garter spring 106 engaging a shouldered surface 75 of the spool.
Patent GB-616147-A (GB)
Title: Improvements in or relating to laundry driers and methods of drying laundry
IPC: D06F58/30
Filed: 1946-08-29
Abstract: 616,147. Rotary drying apparatus. HAMILTON MANUFACTURING CO. Aug. 29, 1946, No. 25944. Convention date, Sept. 19, 1945. [Classes 34(i) and 34(ii)] A laundry drier for domestic use has a heated chamber in which the material is agitated during drying, and means for passing a current of heated or cool air across an opening therein to draw moisture laden air therefrom. In a preferred embodiment the chamber 11 contains a perforated rotatable drum 12, Fig. 6 supplied with an electric heater 20. Motor 26 drives the drum through suitable gearing, and also fan 36 which draws air through slot openings 51, Fig. 7, downwardly between the inner and outer casings 11, 10, into the intake 32. The air thus heated by contact with the inner chamber passes across opening 31 from which moisture laden air is withdrawn, the resulting stream being drawn through intermediate portion 34, Fig. 3 and expelled at 38 after passing through lint filter 41. Opening 52, Fig. 7 allows a proportion of cold air to join the main stream. Material is charged through opening 21 which is closed during drying by hinged door 14. Apparatus is described in which cold air is drawn directly across opening 31.
Patent GB-1126332-A (GB)
Title: New substituted hexanediol isocyanates
Inventor: AGOURI ELIAS
IPC: C08G18/32
Filed: 1965-06-18
Abstract: 1,126,332. Hexane diol isocyanate derivatives. W. R. GRACE & CO. 15 Feb., 1966 [18 June, 1965], No. 25962/65. Heading C2C. [Also in Divisions B2 and C3] Hexane diol isocyanates of the formula where one of R<SP>1</SP> and R<SP>11</SP> is hydrogen and the other is methyl may be obtained by reacting the corresponding diamine with phosgene. The reaction may be effected by using a salt of the diamine in an inert solvent for the diisocyanate at 50-150‹ C. The diamine starting material may be obtained by reacting two molecular proportions of acrylonitrile with one molecular proportion of a hexane diol of formula in the presence of a basic catalyst, and reducing the resulting product.
Patent GB-425906-A (GB)
Title: Improvements in and relating to protective coatings and sheathings for cables, pipesand the like
IPC: H01B7/282
Filed: 1933-09-20
Abstract: 425,906. Metal pipes. ENFIELD CABLE WORKS, Ltd., and BOWDEN, E., Lincoln House, High Holborn, London, and O'DUFFY, D., 13, Old Park Avenue, Enfield, Middlesex. Sept. 20, 1933, No. 25992. [Class 99 (ii)] [See also Group XXXVI] A corrosion-resistant or insulating sheath for articles such as pipes, cables, wires and rods is formed by covering the article with non- vulcanized rubber, over which is applied a fibrous - reinforced coating of bituminous material, the bituminous material being of a kind, such as pitch, asphalt, or petroleum residues, containing oily constituents, and the relative quantities of rubber and bituminous material in the sheath being such that the rubber is converted by the oily constituents of the bituminous material into a jelly-like mass through which the fibrous material cannot penetrate. The Figure shows a multicore electric cable having a lead sheath 2 protected by a sheath comprising layers 3, 5 of a rubber compound consisting of 100 parts by weight of pale crepe, 60 parts by weight of talc, and 20 parts by weight of air blown asphalt, the layers 3, 5 being separated from each other and from the armouring 7 of the cable by layers 4, 6 of fabric tape impregnated with asphalt. The layers 3-6 are of equal thickness.
Patent GB-154565-A (GB)
Title: Improvements in or relating to internal combustion engines
IPC: F02M67/00
Filed: 1920-09-10
Abstract: 154,565. Tacke, K. Sept. 10, 1919, [Convention date]. Compression engines. -Cylinders a, b are connected together at their upper ends by a passage e so that each impulse acts simultaneously upon pistons connected to cranks g, h. The crank g leads the crank h by an angle of 50 to 70 degrees, the fuel injection being timed to commence when the crank g has reached its upper dead centre position. Fuel may continue to enter until the piston in the cylinder a reaches the end of its up-stroke.
Patent GB-711022-A (GB)
Title: Improvements in liquid cooling towers
IPC: F28C1/12
Filed: 1952-10-17
Abstract: 711,022. Liquid cooling towers. FOSTER WHEELER, Ltd. Oct. 17, 1952 [Nov 6, 1951], No. 26117/52. Class 64(1)  Induced-draught liquid cooling towers, having air inlets 12 below the "fill" 10, are provided with alternative air inlets 36 above the " fill " so that this air is brought into direct heat exchange with the hot 'liquid before it has passed through the "fill." Freezing of the droplets at low ambient temperatures is 'thus avoided. Internal partitions 42 with adjustable top plates 48 are provided. For normal temperatures, the louvres 30 of air inlets 12 are adjusted to the open position, the inlets 36 are closed by hinged dampers 37 and the plates 48 are raised. The air from inlets 12 is then drawn upwardly by the fan 16 in contra flow to the water in three parallel streams. For low ambient temperatures, the louvres 30 are closed, the dampers 37 opened and the plates 48 lowered. The air from inlets 36 is then induced by the fan to pass downwardly in compartments 46 and upwardly in compartment 44.
Patent GB-294022-A (GB)
Title: Improvements in cable and other telegraphic transmission and reception
IPC: H04L25/26
Filed: 1927-10-05
Abstract: 294,022. Walter, H. Oct. 5, 1927. Systems employing selenium-cell and like relays; perforatedstrip transmitters.- Light-sensitive cells 4, 12 are used to accelerate the transmission and reception of telegraphic signals. At the transmitter, Fig. 1, an automatic transmitter 1 actuates a mirror 2, thus operating a relay using a light-sensitive cell 4 of the kind described in Specification 216,942. At the receiver, Fig. 2, the signals are delivered to a mirror galvanometer 9, which is arranged to actuate a light-sensitive cell 12 in circuit with a siphon recorder 14. Reference has been directed by the Comptroller to Specifications 1624/81, 399/14, 23380/14, 119,524, 124,632, 180,779, 186,305, and 252,797.
Patent GB-941928-A (GB)
Title: Improvements in and relating to servo-assisted steering gears
IPC: B62D5/06
Filed: 1962-07-09
Abstract: 941,928. Steering vehicles. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. July 9, 1962 [Aug. 3, 1961], No. 26263/62. Addition to 885, 662. Heading B7H. In a power assisted steering arrangement according to the parent Specification, wherein a piston is acted upon by fluid pressure to assist the steering and one of a pair of valves cooperates with a stop at each end of the piston stroke to relieve the pressure on the piston, one of a pair of adjustable stops 84 provided on a cylinder 14 housing the piston engages a cam 80 formed on the operating arm 54 of each valve 58 to positively close the valve when the piston is returned to the neutral position. To provide bias tending to close the valves 58 in addition to that provided by springs 62 acting on the operating arms 54 one end 90 of each valve is subjected to the pressure in a central space 89 communicating with the pressure medium supply pipe and the other end 87 of each valve is subjected to the respective cylinder chamber 3, 4 through a groove 86. The cams 80 may be replaced by actuating members which are formed on the valves or on an associated member and co-operate with the stops.
Patent GB-1426925-A (GB)
Title: Production of hard titania
IPC: C04B35/46
Filed: 1973-06-04
Abstract: 1426925 Hardening powdered titania BRITISH STEEL CORP (CHEMICALS) Ltd 4 June 1974 [4 June 1973] 26484/73 Heading ON A method of hardening pigment -grade powdered titania consisting of anatase or rutile comprises thoroughly dispersing the powder in water, removing the excess water, drying and calcining. The hardened titania is suitable as a catalyst support, particularly for catalysts used in the oxidation of orthoxylene to phthalic anhydride. -The dispersion of the powdered titania may be aided by adding surfactants or water-soluble organic compounds, e.g. acetone, acetic acid, methyl alcohol, ethyl alcohol, propanol, n-butanol or 2-butanol or highly polar inorganic compounds, e.g. HCl, HNO 3 , H 3 PO 4 , NaOH or NaNO 3  which assist the dispersion. The excess water may be removed from the titania by filtration or by adding flocoulants to the dispersion. The material is then dried, e.g. by heating at between 70 and 120C. and then dried paste is calcined at between 700 and 900 C., preferably 800 to 850 C. If rutile TiO 2  is employed rather than anatase the lower limit for calcination may be 650 C.
Patent GB-684685-A (GB)
Title: Cylinder head joint
IPC: F16J15/08
Filed: 1949-10-15
Abstract: 684,685. Cylinder head joints. TRIUMPH ENGINEERING CO., Ltd., and TURNER, E. Aug. 21, 1950 [Oct. 15, 1949], No, 26525/49. Class 7 (ii). To retain a solid copper or other solid metal gasket 13 from creeping outwardly, the machined joint face of either the cylinder head 15 or block 12 is provided round the cylinder bore with a uniform, continuous or discontinuous groove 14 which is sharp-edged at its edge remote from the bore and into which the gasket protrudes when the cylinder head is tightened down. The groove 14 is preferably co-axial with the cylinder bore, and in the case of cylinders arranged side by side, as in the motor cycle engine shown, adjacent grooves may be mutually tangential, or intersect in the manner of a figure eight. Specification 160,235, [Class 7 (ii)], is referred to.
Patent GB-304182-A (GB)
Title: Apparatus for increasing the efficiency of mash tubs
IPC: C13B30/02
Filed: 1928-09-17
Abstract: 304,182. Rolz, A. Jan. 16, 1928, [Convention date]. Addition to 297,054. Stationary mixers with rotary stirrers.-A mash tub comprising a stirrer rotating in a container which is supplied with liquid in jets from a pipe at the bottom, as in the parent Specification, is provided with an additional shaft 13 which is rotated from the driving-gear for the main shaft 3, and has radial arms 14. The shaft 13 is arranged near the pipe 5 and breaks up the jets, thus effecting a more complete mixing of the materials.
Patent GB-1031333-A (GB)
IPC: D04H11/00
Filed: 1964-06-30
Abstract: 1,031,333. Pile fabrics. ETABLISSEMENT GIROUD, FRERES LES SUCCESSEURS DE HUGUES GIROUD & CIE. June 30, 1964 [July 9, 1963], No. 26915/64. Heading D1K. A pile fabric is made by severing fibres from a batt 10 of longitudinally disposed fibres by a knife 4 which pushes the fibres over a plate 1 on to a conveyer 13 which is travelling faster than the speed at which it receives the fibres so that the fibres are spaced apart, humidifying the fibres over a steam heated bath 14 which causes them to expand and close the interstices, optionally drying the fibres at 16 and then applying a backing. In place of discrete fibres a pleated batt may be used.