baber/WOPTO huggingface dataset:
Patent GB-728761-A (GB)
Title: Hard-metal-containing mixtures and processes of applying them to supporting bodies and bodies so treated
IPC: B28D1/12
Filed: 1952-09-17
Abstract: A composition, particularly for armouring the operating surface of chip-removing tools such as files, grinding-wheels, drill-bits and circular and reciprocating saws, is fromed of a mixture of sintered or fused hard metal in powdered, granular and/or fragmentary form and a powder consisting substantially of 5-30 per cent chromium boride and at least one of the metals Fe, Ni and Co.  The hard metal is a known composition comprising hard carbide of W, Mo, V, Ti, Ta and Nb with an auxiliary metal such as Fe, Ni or Co with or without additional substances such as borides and silicides.  The composition may be used in the form of a paste formed with one or more organic or inorganic substances, which is painted or spread on to the surface to be coated or in the form of a wire with at least one plasticizing agent such as a natural or artificial resin, for spraying by means of a spray gun.  The supporting body, e.g. of steel, may be brought to a temperature sufficient to fuse the boride containing constituent before or after application of the composition.  Preferably, heating is confined to the surface of the body to be treated or, where the composition is applied before heating, to the composition itself, for example by induction heating.  The coating may also be applied to the non-slip parts of horseshoes and the tracks and types of vehicles. In the production of saw blades the fusible boride part of the composition is preferably insufficient in amount to fill the interetices between the hard metal granules, thus leaving pores which, in stone cutting, for example, accommodate stone dust and remove it from the cutting zone.  Such blades are formed by attaching armoured steel bodies to the saw blade by welding adjacent one another or at intervals.
Patent GB-1063273-A (GB)
Title: Fireproofing cellulosic material
IPC: D06M15/667
Filed: 1965-06-02
Abstract: Cellulosic material is fire-proofed by impregnation with an aqueous solution comprising tris(1-aziridinyl) phosphine oxide (APO) and thiourea of a C1-4 alkyl, methylol or ethylol thiourea, followed by curing.  Thioureas specified are 1,3-dimethyl, 1,3-diethyl, 1,3-diethylol, 1-ethyl, 3-ethylol, and 1-methyl, 3-n-propyl thiourea. The solution may also contain an APO polymerization catalyst, other fire-proofing agent, textile softener, or wetting agent.  Other fire-proofing agents specified are methyl and ethyl ammonium phosphate and urea.  The cellulosic material may be of cotton, rayon, cellulose acetate, jute, rope, paper, cardboard, or wood.  The mole ratio of APO/thiourea may be 0.3-3.0 to 1.  The aqueous solution may contain 15-50% of mixture.  The pick up may be 30-120 gm of solution per 100 gm of material.
Patent GB-316939-A (GB)
Title: Improvements in or relating to radio direction finders
IPC: G01S1/02
Filed: 1929-07-31
Abstract: 316,939. Telefunken Ges. f³r Drahtlose Telegraphie., Aug. 6, 1928, [Convention date]. Directive signalling.-Relates to means for automatically correcting quadrantal error in direction-finding installations. A shaped correcting-cam k is attached to the fixed bearing-disc a, and coacts with a roller i on an indicator-frame e secured to one of the spokes of the wheel b controlling the position of the aerial. As the wheel b is rotated the indicator frame e moves inwards or outwards, and the degree of correction, positive or negative, is indicated by the displacement (to right or left of the intersection point of the two lines h, g) of the point where the line h cuts the base of the angular scale on the wheel a. In an alternative arrangement a shaped correcting-cam similar to k controls the position of a correcting- indicator, similar to h, through a bell-crank lever system. The bearing scale a may co-operate with a concentric compass scale so as to indicate simultaneously the angle the signal direction makes with the meridian. The required shape of correcting-cam is preferably obtained empirically by taking a series of bearings on recognized stations.
Patent GB-908875-A (GB)
Title: Improvements in and relating to greases
Filed: 1960-10-05
Abstract: A grease composition comprises a light hydrocarbon lubricating oil (spindle oil or the like) of average molecular weight between 300 and 480, between 4% and 10% by weight of a silica aerogel, and a small proportion of a silicone fluid, with or without up to 0,5% by weight of a bactericide.  Examples of oils are spindle oil and a refined white oil meeting the specification for Paraffinum Liquidum B.P.  The particle size of the silica aerogel may be from 10 to 40 millimicrons.  A suitable bactericide is o-phenyl-phenol.
Patent GB-1115495-A (GB)
Title: Cracking of tetrahydrothiophen
Inventor: ALDHOUSE STEPHEN TALBOT EDWARD
IPC: C07C1/32
Filed: 1966-05-26
Abstract: Olefins are produced by pyrolysing tetrahydrothiophen and/or one or more of its alkyl substituted derivatives at a temperature greater than 500 DEG  C. and with the GHSV of the feedstock between 100 and 10,000.  Hydrogen is provided for the cracking by the concomitant dehydrogenation of some of the tetrahydrothiophen to thiophen which is formed as a byproduct. A diluent such as H2, steam or n-butene may be present in the feedstock, preferably in a diluent: tetrahydrothiophen mol ratio of 10: 1 to 1: 2.  The pyrolysis may take place in a reactor filled with an inert packing material, e.g. quartz wool, at 500-650 DEG  C.  The starting material may be prepared by converting n-butane, n-butene or mixtures thereof to thiophen and hydrogenating the thiophen.ALSO:Thiophen is produced as a by-product by the dehydrogenation of tetrahydrothiophen during the pyrolysis of tetrahydrothiophen at more than 500 DEG  C. to form olefins (see Division C5).  The tetrahydrothiophen may be prepared by hydrogenating thiophen which is formed from n-butane, n-butene or mixtures thereof, by reaction with sulphur and H2S.
Patent GB-480115-A (GB)
Title: Improvements relating to position control systems
IPC: F16H21/40
Filed: 1936-08-29
Abstract: 480,115. Correspondence control systems.' SPERRY GYROSCOPE CO., Ino. Aug. 29, 1936, No. 23730. Convention date, Aug. 29, 1935. Addition to 473,753. [Class 40 (i)] Want of synchronism between a controlled and a controlling member is made to produce an A.C. voltage for driving the controlled member back into step, an additional D.C. control voltage for preventing hunting being produced while the relative movement is being accelerated or decelerated. As shown in Fig. 1, the sensitive member of a gyrocompass carries a piece of magnetic material 2 forming part of the magnetic circuit of a transformer device 3 carried by the follow-up member as described in Specification 360,428, [Group XXXVII], and fed from a 3-phase power source 5. When there is relative displacement between members 2, 3, alternating current, the phase of which depends on the sense of the displacement is passed via an amplifier 15, 15<1> to a pair of push-pull amplifiers 23, 23<1> the outputs of which are connected in parallel so that the action of the device is not stopped if one amplifier fails, and which have their anodes fed from the 3-phase power source. In each of amplifiers 23, 23<1> one grid will be energized in phase with the anode voltage and the other in counter phase. According to the direction of relative displacement between members 2, 3 therefore current from transformers 24 flows mainly in resistance 25 or mainly in resistance 25<1> and the voltage drop produced causes a direct current flow in the primary of transformers 26 which passes on the A.C. signal to the grids of gasdischarge rectifiers 30, 30<1>. While the relative displacement is constant, the D.C. component is constant, but when it changes, a voltage is induced in the secondaries 27, 27<1> and this voltage with the aid of condensers 29, 29<1> and resistances 31, 31<1> produces a voltage at the grids of the valves proportional to the acceleration of the relative displacement, Tubes 30, 30<1> derive their anode current and bias voltages from the source 5, and the armature 10 of the follow up motor receives current differentially from both anode circuits, direction of this current depending on the direction of the relative displacement and the amount depending jointly on the extent of the displacement and its acceleration or deceleration if any. In a modification, Fig. 2, the alternating current displacement signal is amplified by the triode portion of a double diode triode 40, and the D.C. component is produced by the diodes which are fed in phase opposition from the A.C. source. The follow-up device is driven by a compensated repulsion motor, the field windings of which are fed through the windings 53, 54, 53<1>, 54<1>, in such a way that the direction of rotation depends on which of the tubes 49, 49<1> has been rendered conductive, the torque depending on the combined effect of the A.C. and D.C. components.
Patent GB-860382-A (GB)
Title: Improvements in or relating to rake wheels
IPC: A01D80/00
Filed: 1957-03-29
Abstract: 860,382. Haymaking machines. VAN DER LELY N.V., C. March 29, 1957 [April 5, 1956], No. 23793/60. Divided out of 857,692. Class 6(3). A rake-wheel, for a haymaking machine of the oblique rake-wheel type, is rimless, and has a plurality of circumferential resilient tines extending from a central hub 31, each tine including a spoke-portion 41 connecting at its end with a loop 42 the free end of the loop being connected to a forwardly-extending foot-carrying portion 39, the loop of one tine passing around and supporting the spoke of a further tine. In Fig. 1, the spoke-portions extend substantially radially from a hub 31 to which they are secured by bolted segments 32. Right-angle bends 36 produce a series of portions 37 tangential to a circle formed by the outer ends of the spokes 41. The loops 42 are in planes perpendicular to the wheel-plane and terminate in portions 39 extending forwardly in the direction of motion A of the wheel, the feet 43 being bent backwardly relatively to this direction. In Fig. 2, the spoke-portions 51 extend tangentially to the hub 31 and the loops 55 are of figure-eight form and lie in the plane of the wheel, the portions 54A and feet 54 extending respectively forwardly and rearwardly.
Patent GB-1042346-A (GB)
Title: Apparatus for reading data records
IPC: G11C13/04
Filed: 1963-06-14
Abstract: 1,042,346. Sensing record cards. SVENSKA DATAREGISTER A.B. June 14, 1963 [June 21, 1962], No. 23793/63. Heading G4M. Apparatus for sensing records of the type disclosed in Specification 1,042,345, and having a plurality of code areas 6, 8, Fig. 2 (not shown), of different reflective characteristics, e.g. white and red respectively, comprises a light source 14, Fig. 1, providing a small spot of light and two photo-cells 22, 24, one of which is responsive to white and red light reflected from the record 2, and the other of which is responsive only to white light, for example by being provided with a green filter. The former photo-cell provides shift pulses and the other photocell provides data pulses which are entered into a shift register in synchronism with the shift pulses. The scanning apparatus shown may be in the form of a pen which may be manually moved over a record 2 forming a price tag for example on a can or clothing. The length of the code areas 6, 8 eliminates the need for accurate alignment of the record with the scanning device.
Patent GB-185631-A (GB)
Title: Improvements relating to painters' and like blow lamps
IPC: B44D3/16
Filed: 1921-09-07
Abstract: 185,631. Saberton, H., and Saberton, H. Sept. 7, 1921. Flame protectors. -Painters' and like blowlamps are fitted with a detachable shield E having a rotary or reciprocating perforated disc valve or ventilator shutter F to enable a constant temperature to be maintained around the blow-lamp vaporizer. The lower part B of the shield engages friotionally the top of the lamp reservoir and is provided with cut-away portions C to fit over the handle and other projecting parts of the lamp. Some of the cut-away purtions may be provided with hinged doors cr shutters so as to nender the shield adaptable for more than one type of lamp. The shield is partly or wholly lined with asbestos or other non-conductor of heat.
Patent GB-158299-A (GB)
Title: Improvement in or relating to fireproof or other coverings for floors, ceilings or the like
IPC: E04H9/00
Filed: 1919-09-29
Abstract: 158,299. Green, W. Sept. 29, 1919. Ceiling slabs. - A floor or ceiling consists of flat tiles 2 having parallel bevelled ends 3, 4 and an undercut groove 7 in the top face forming a hook by which the tiles are suspended from the cross beams 1. The upper faces may have a single rib 15 of dovetail section, and the tiles may have reinforcements 12 preferably extending into the hook.
Patent GB-1086210-A (GB)
Title: Lift truck mast tilting arrangement
IPC: B66F9/10
Filed: 1966-05-27
Abstract: 1,086,210. Masted lift trucks. RAYMOND CORPORATION. May 27, 1966 [Oct. 4, 1965], No. 23835/66. Heading B8H. A side-loader lift truck has a mast structure 30 comprising a telescopic structure of known type including channels 25, 26 in which I- beams 27, 28 are nested. The mast assembly is mounted for traversing on plates 43, 44 which are supported at one end by large rollers 56, 57 on top faces 60, 61 of trackways 34, 36. The other end of the plate 44 is supported by rollers 89, 90 mounted on a cam-shaft 74 and supported in the channels 34, 36, support for the plates 43, 44 being provided by eccentric cams 85 and 86 (not shown) keyed to the shaft 74. As shown, the cam 85 bears against a circular hole 87, Fig. 4, the cam 86 being similarly mounted in the plate 43. Plates 83, 84 are supported at one end by bushings on the shaft 74 and, in the case of the plate 84, by a roller 53 in the channel 36, the plate 83 being similarly mounted. The arrangement is such that rotation of the shaft 74 by an hydraulic cylinder 65 causes the plates 43, 44 to tilt, and thus tilt the mast structure about therollers 56,57, while the plates 83, 84 are not tilted. The mast assembly is traversed by a motor M driving a shaft 91 with drive pinions 41, 42 engaging racks 35, 37, adequate clearance for the shaft 91 being provided in the plates 43, 44 to allow for their tilting movement. A safety roller 69 mounted on the plate 44 does not normally engage either flange of the trackway 36 but operates to prevent excessive mast assembly tilt. The invention is applicable to front-end loaders or other vehicles having translatable masts.
Patent GB-501545-A (GB)
Title: Improvements in instruments for indicating measurements of height, depth or distances
IPC: G01C13/00
Filed: 1937-09-01
Abstract: 501,545. Measuring-tapes. MARPLES, S. A. Sept. 1, 1937, No. 23868. [Class 106 (ii)] In instruments for measuring length using a flexible cord or chain which operates an indicator, the ratio between the length of cord pulled out of the instrument and the movement of the indicator can be varied. The instrument can thus be used to measure distances on maps of various scales and by suitably adjusting the ratio before measuring on each map the indications of the instrument can be directly compared without necessitating calculation to allow for the scale variations. As shown the measuring cord is wound on a drum e which drives units and tens indicators h and j through gearing g<1>, g<2> and g<3>. The diameter of the drum is varied to change the ratio by superimposing a suitable number of rings m and n thereon. Alternatively the drum may be replaced by a disc bearing concentric circles of pins and the cord may be wound round any desired circle. In a modified construction only one circuit of pins q is provided but these are mounted on rotatable bases t so that their radial distance from the centre of the main dise f can be varied. Also the drum may remain of fixed diameter and the variation is then produced by change speed gearing between the drum and indicator.
Patent GB-962100-A (GB)
Title: Improvements in transportable radio apparatus
Inventor: LEE ROBERT GRAHAM
IPC: H01Q1/24
Filed: 1963-06-14
Abstract: 962,100. Radio transmitting and receiving apparatus; aerials. THE COUNTY COUNCIL OF THE ADMINISTRATIVE COUNTY OF THE COUNTY PALATINE OF LANCASTER. June 14, 1963, No.23875/63. Headings H3Q, H4A and H4L. A transportable radio apparatus comprises a receiver and a transmitter in a case 10 and provided with cords 11 and 12 respectively, the cords consisting of a plurality of inner conductors, an outer conductive shield, and a plastic covering. A casing 13 contains a microphone 17 connected by inner conductors in the cord 12 to the transmitter and a casing 14 contains a reproducer connected by inner conductors to the receiver. The outer screens act as transmitting and receiving aerials respectively and are electrically a quarter wavelength long at the respective transmitting and receiving frequencies the ends 16, 22 being terminated short of the case 10. The aerials are fed from their remote ends via an inner conductor and lumped reactances consisting of a ferrite-cored coil 18 and capacitor 20 and similar coil 25 and capacitor 24 respectively, these reactances being adjusted to make the effective lengths of the aerials equivalent to a half-wavelength. The housing 10 is designed to be carried in the operator's pocket, and the housings 13, 14 are worn on the chest.
Patent GB-718892-A (GB)
Title: Improvements in or relating to valve devices for hydraulic systems
IPC: G05D16/10
Filed: 1949-09-16
Abstract: 718,892. Fluid-actuated valves. HEAP, O. H. Dec. 15, 1950 [Sept. 16, 1949], No. 23914/49. Class 135 A control valve in a hydraulic system having a pump and a working cylinder wherein the flow  of pressure liquid is reversible therebetween, comprises a housing 1 having limbs 2, 3, connected to the cylinder and the pump respectively and a piston chamber 10. In the limb 2 is a slidable spring-loaded valve sleeve member 4 movable away from the conical end of a valve member 6 carrying a piston 9 to control the flow from pump to cylinder. On flow from cylinder to pump, the valve members 4, 6 initially move together resisted by the pressure of the liquid behind the piston 9 which liquid is expelled through an axial passage 12 and radial ports 12a until the valve member 4 engages a stop 16. The valve member 6 then moves away from the member 4 still resisted by the liquid pressure behind the. piston 9 to open communication between the cylinder and pump. In a modification, the passage 12 may be extended upwardly to the upper end of the valve member 6 and co-operate with a loose ball valve or a spring-loaded stem valve in lieu of the sleeve valve member 4. In a further modification, the limbs 2, 3 may be connected by an auxiliary duct having a spring-loaded valve therein controlling the flow from pump to cylinder.
Patent GB-605928-A (GB)
Title: Improvements in starting arrangements for thermionic discharge lamps
IPC: H05B41/10
Filed: 1946-08-13
Abstract: 605,928. Supply systems for space-discharge apparatus. GENERAL ELECTRIC CO., Ltd., and HALLIDAY, V. N. Aug. 13, 1946, No. 23918. [Class 38 (iv)] To obtain a starting arrangement for a thermionic discharge lamp, operable over a wide range of supply voltage, two electromagnetic relays are used, one being connected across the supply and the other in series with the lamp. The starting period is substantially equal to the sum of the operate and release times of one relay, plus the operate time of the other relay. In the D.C. arrangement shown, switch S completes a pre-heating circuit L through the serially-connected opposed windings of relay A, contact A1, and inductive ballast D. Relay B is slow to operate and to release and is energized over contact A2; after a predetermined time, it short circuits one winding of relay A. over contact B1 and provides an alternative heating circuit over contact B2. Relay A operates with delay, due to its short-circuited winding, to open its contacts A1 and A2. The latter de-energizes relay B, which later opens its contact B2 to cause the lamp to strike. For A.C. operation the relay windings are shunted by rectifiers and the circuit of relay B includes a series resistor. An interference suppressing condenser C may be connected across the lamp over contact A1.
Patent GB-144167-A (GB)
Title: Improvements relating to superheaters for water tube boilers
IPC: F22G7/14
Filed: 1919-09-30
Abstract: 144,167. Yarrow, H .E. Sept. 30, . 1919. U-tube superheaters. -In a Yarrow boiler, superheaters C<1>, C<2> each arranged between separated groups of tubes A<1>, B<1> as 'described in Specification 10231/10, are fitted on both sides of the boiler. The ends of each set of U-shaped superheating- tubes I<1> open into a steam drum H<1> on opposite sides of a partition h<1>. The drums of the two superheaters are so connected by a pipe K that the steam flows through the superheaters in series.
Patent GB-669670-A (GB)
Title: Improvements in or relating to spanners
Inventor: SHARMAN JOHN CHARLES
IPC: B25B13/08
Filed: 1949-09-19
Abstract: 669,670. Spanners. GARRINGTON & SONS, Ltd., J. Sept. 11, 1950 [Sept. 19, 1949], No. 24020/49. Class 61 (iii). A spanner comprises a shank of mild or medium carbon steel having a relatively high ductility. the shank having one or more jaw-receiving recesses in which jaws of harder steel are brazed or welded. The harder steel jaws may each be a single member or formed of two separate members and may be thicker than the shank. Fig. 1 shows a double-ended spanner having relatively hard steel jaws 14 brazed or welded into a mild steel shank 10.
Patent GB-478445-A (GB)
Title: Improvements in or relating to pumps for liquid pressure remote control systems
IPC: F04B53/14
Filed: 1936-09-04
Abstract: 478,445. Pumps for hydraulic jacks. AUTOMOTIVE PRODUCTS CO., Ltd., and BROWN, F. V. Sept. 4, 1936, No. 24170. [Class 102 (i)] A pump, which is especially applicable for supplying operating liquid for auxiliary gear on aeroplanes, comprises two cylinders 11, 12, the output of the latter being double that of the former. The pistons 13, 25 are operated alternately by means of a yoke 41, which is pivoted to a link 37, and is directly pivoted to the rod of the piston 13, but operates the piston 25 through a thrust-rod 43. The yoke is packed by means of a flexible sleeve 66. Alternatively, the yoke may be replaced by a transverse lever. The cylinder 12 is fed by a pipe 56, through a space 30 between the piston 25 and an integral piston-head 33 of smaller diameter, and through passages 57 in the piston 25 controlled by the cup-leather. A byepass controlled by a loaded valve is arranged between the discharge passage 50 and the space 30. Air may be discharged by moans of a plug 48.
Patent GB-462000-A (GB)
Title: Improvements in or relating to delay action detonators and fuzes and delay compositions for use therein
IPC: C06B33/00
Filed: 1935-08-29
Abstract: 462,000. Fuzes and fuze compositions. SOSSON, C. E., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Aug. 29, 1935, No. 24193. [Classes 9 (i) and 9 (ii)] A substantially gasless delay composition for use in sealed casings comprises - a mixture of antimony, zinc, and potassium permanganate, to which may be added a small proportion of an inert inorganic material such as lead chromate or zinc oxide. The composition is filled into a lead tube and compressed by drawing the tube to a smaller diameter. A short length 3 of such a tube filled with the composition 4 is inserted in a detonator 1 between the main charge 2 and an electric fuze head 7 situated in a fire-proof paper sleeve 5, as described in Specification 428,872. This is covered by a rubber plug 8 followed by a bituminous composition 11. The casing is crimped at 10 around the rubber plug.