baber/WOPTO huggingface dataset:
Patent GB-208834-A (GB)
Title: Improvements in and relating to chill cores
IPC: B22C9/10
Filed: 1922-10-10
Abstract: 208,834. Appleyard, K. C., Manners, W. E., Bewick, P. W., Laycock, Sir J. F., and Portal, M. R. Oct. 10, 1922. Cores and core-bars.- A collapsable core, of the class described in Specification 187,677, for use in chill casting comprises segments a having a dove-tailed connection d with a central member b. The joints between the segments are partly radial and partly tangential as at p to permit collapsing after the core b has been withdrawn. A box e is fitted at one end and provided with a coverplate k rotatable to render an inspection opening l operative. Gas and air is supplied at g for preliminary heating of the core, and after pouring air supply alone is continued for cooling, or water may be circulated. In a modification, the ends of the radial arms of the core form part of the circumference of the core. Internal ribs may be fitted to increase the cooling effect and the exterior may be arranged to produce a chambered hole in the casting. Casting processes.-As soon as possible the core is removed from the casting, which is then covered over and left to cool slowly.
Patent GB-307950-A (GB)
Title: Improvements in and relating to the manufacture of dyestuffs and intermediates
IPC: C09B5/20
Filed: 1927-10-17
Abstract: 307,950. Smith, W., Thomas, J., and Scottish Dyes, Ltd. Oct. 17, 1927, 3:3<1>-Dichlorflavanthrone is obtained from 2- amino-3-chloranthraquinone by treatment with antimony pentachloride in an organic solvent. The solvent may be an oxidizing solvent, such as nitrobenzene or nitrotoluene, or an inert solvent, such as pentachlorethane; in the latter case, oxidation is effected by passing nitrogen oxides into the reaction liquid. The dyestuff gives a blue vat and dyes cotton deep blue shades turning to fast orange on air oxidation. The mother liquors after separation of the dyestuff may be distilled to recover solvent and antimonv trichloride which mav be treated with chlorine to regenerate the pentachloride for re-use. Specification 254,916 is referred to.
Patent GB-1279566-A (GB)
Title: 0,4-benzodiazepine derivative preparation
IPC: C07D243/28
Filed: 1970-06-08
Abstract: 1279566 Benzodiazepine derivatives preparation TARCHOMINSKIE ZAKLADY FARMACEUTYCZNE POLFA 8 June 1970 [11 June 1969] 27525/70 Heading C2C Compounds of the general formula (R 1  = halogen, R 2  = C 1-4  alkyl) are prepared by cyclizing a 2 - amino - 5 - halobenzhydrylideneglycine - N - oxide with a di - (C 1-4  alkyl) sulphate in the presence of alkali and reducing the product.
Patent GB-1108790-A (GB)
Title: Compositions comprising phenolaldehyde condensation products and polyhydroxyethers
IPC: C08L71/00
Filed: 1965-06-29
Abstract: A composition suitable for use as a coating comprises a resole phenol-aldehyde condensation product and, for each 100 parts by weight thereof, from 5 to 200 parts by weight of a thermoplastic polyhydroxyether having the general formula <FORM:1108790/C3/1> wherein D is the radical residuum of a dihydric phenol, E is an hydroxyl containing residuum of an epoxide and n is an integer of at least 30, or a mixture of such polyhydroxy ethers.  The phenol-aldehyde condensation product is preferably a heat-reactive B-stage resole resin and has an average M.W. of from 350 to 600. Conventional phenols and aldehydes are listed.  The value of n in the formula of the polyhydroxyether is preferably at least 80 and such polyhydroxyethers may be prepared by reacting together approximately equimolar amounts of an epihalohydrin and a dihydric phenol in the presence of an alkali metal hydroxide.  Suitably the dihydric phenol is a dihydric polynuclear phenol such as 2,2-bis(4-hydroxyphenyl) propane or it can be the reaction product of 4-vinyl-cyclohexene and a phenol or of dipentene and a phenol.  The epoxide may be a monoor diepoxide, suitably epichlorohydrin and in the case of the diepoxides those wherein each of the oxirane groups is connected to an electron donating substituent which is not immediately connected to the carbon atoms of that oxirane group.  For use as coatings the compositions may be dissolved in an organic solvent system, spread on the article to be coated and then cured. Suitable solvents are ketones and toluene and mixtures of the two.ALSO:Compositions suitable for coating surfaces of metal, wood glass or fabrics comprise a resole phenol-aldehyde condensation product and, for each 100 parts thereof, from 5 to 200 parts by weight of a thermoplastic polyhydroxyether having the general formula: <FORM:1108790/B1-B2/1> wherein D is the radical residuum of a dihydric phenol, E is an hydroxyl containing radical residuum of an epoxide and n is an integer of at least 30, or a mixture of such polyhydroxyethers, suitably dissolved in an organic solvent system.  The solvent based coatings are generally cured at 400 DEG F. to 450 DEG F. for maximum adhesion.  Examples describe the coating on steel panels and on glass plate of compositions of a polyhydroxyether prepared from 2,2-bis(4-hydroxyphenyl)-propane and epichlorohydrin with (i) a phenol: cresol-formaldehyde resole resin or (ii) a phenol: polyhydric compound - formaldehyde resole resin wherein the polyhydric compound has the formula: <FORM:1108790/B1-B2/2> Suitable solvents for the compositions are ketones and mixtures of ketones with e.g. toluene or butanol.
Patent GB-519088-A (GB)
Title: Improvements in and relating to pistons
IPC: F16J9/04
Filed: 1938-09-23
Abstract: 519,088. Pistons; alloys. NICOLLE, A. V., WHITE, P.; and AUTOMOTIVE ENGINEERING CO., Ltd. Sept. 23, 1938, No. 27845. [Class 122 (i)] [Also in Group II] A piston a, particularly for an internal combustion engine, is encircled by a thin strip b of material having a coefficient of expansion less than that of the piston, so that expansion of the latter in a radial direction is opposed by the strip and reduced to substantially the same as that of the cylinder block. The strip may extend over the whole length or over one or more portions of the length of the piston, and it preferably comprises wire of circular or partcircular cross-section wound in a plurality of turns about the piston. The thickness, strength, and pitch of the wire, and the thickness of the piston skirt, may each be constant or varied. The piston may be formed of a silicon aluminium alloy, and the wire of steel, iron, or nickel-iron, which may be tinned or oxidized. A suitable alloy for the piston contains 14 per cent. silicon, 2 per cent. nickel, 1 per cent, magnesium, 9 per cent. copper, the remainder being aluminium. The piston skirt may be roughened to receive the wire, and various means for anchoring the ends of the wire to the piston are described and illustrated in the Specification.
Patent GB-676071-A (GB)
Title: Improvements in kite floats for the headropes of trawl nets and similar fishing nets
IPC: A01K73/05
Filed: 1950-11-15
Abstract: 676,071. Net floats. PHILLIPS, J. W. Nov. 15, 1950, No. 27910/50. Class 48. A kite float consists of a hollow body a<SP>2</SP> having a downwardly concave base b<SP>2</SP> and having means such as arms d beneath the base for attaching the float to the headrope of a net, the float being symmetrical about a transverse axis. The float may be part cylindrical as shown or circular or oval in plan view. Specification 649,569 is referred to.
Patent GB-862188-A (GB)
Title: Improvements in rotary ball valves
Inventor: SANCTUARY ROBERT EUGENE
IPC: F16K5/06
Filed: 1958-09-01
Abstract: 862,188. Valves. WORCESTER VALVE CO. Inc. Sept. 1, 1958, No. 27956/58. Class 135. A rotary spherical plug cock comprises a body part 10, Fig. 1, bolted between end plates 12, removable vulcanized rubber or similar seat rings 20 and a ball plug 8 having a transverse bore 9 with bell-mouthed ends 16, Fig. 4, for smooth engagement with the rings on rotation of the plug by a stem 24. The stem 24 loosely fits a ball recess to permit movement of the ball towards the downstream seat when the valve is closed. Each ring has a spherical surface 45, having, in the unstressed condition of the ring, a radius greater than the radius of the ball so that when the seats and ball are assembled in the body the material of the rings is compressed and displaced with the centre 47 of the spherical surface moving towards the centre 50 of the ball. When the valve is closed, the higher the operating pressure the more the ball is pushed towards the downstream seat ring and the greater is the area of that ring engaged by the ball. Grooves 60 around the outer peripheries of the rings permit equalization of pressure on the opposite sides of the upstream ring and upstream pressure to act on the downstream ring to urge that ring into firm sealing contact with the face 36 of the downstream end plate 12. Specifications 856,676 and 862,189 are referred to.
Patent GB-676407-A (GB)
Title: Improvements in or relating to a method of joining electrical coaxial cable ends
Inventor: HARPER HOWARD CHARLES
IPC: H01R9/05
Filed: 1950-11-15
Abstract: 676,407. Cable joints. BELLING & LEE, Ltd. Nov. 15,1950, No. 27970/50. Class 38 (i). A joint between coaxial cables 10, 15 of different characteristic impedances is made by stripping the cable 10 to expose the inner and outer conductors 12, 13, and by exposing the outer conductor 18 of the cable 15, sliding it away from the cable end and splitting the concentric insulating tube 17 to bare the inner conductor 16. The conductors 12, 16 are joined together and the split tube 17 is shortened to accommodate the joint and replaced. The conductor 18 is then slid back over it and conductor 13, the conductors being secured by wire or a metal clip 25 bound thereon by insulating tape 28. Preferably, the outer cover 19 of the cable 15 is slit near its end and pulled out so that the cable conductors pass through the slit, and after the joint is made the other end of conductor 10 is drawn through the slit, Fig. 5, which is then sealed by placing a plastic sleeve 2 over the joint and cementing its ends 30 to the cables.
Patent GB-939898-A (GB)
Title: Improvements relating to machines for cutting gear teeth and the like and incorporating chamfering devices
IPC: B23F19/10
Filed: 1962-07-20
Abstract: 939,898. Gear-cutting. GLEASON WORKS. July 20, 1962 [Aug. 17, 1961], No. 28086/62. Class 83 (3).  A gear-cutting machine comprises a chamfering tool T carried on a piston 33 in a cylinder 23 adjustable on a spherical support 16. The machine has a work-head 10 adjustable on an inclined column 12 as described in Specification 929,164. The support 16 is adjustable radially and circumferentially of the work-gear G by means of a T-slot 17, slots 19 and bolts 18. The piston 33 is reciprocated by hydraulic means controlled in time with the work-indexing mechanism. The chamfering cut starts at the tip 41 of a tooth and finishes at the root 42.
Patent GB-1322419-A (GB)
Title: Adaptive braking control system
IPC: B60T8/1763
Filed: 1971-06-16
Abstract: 1322419 Antiskid brake systems BENDIX CORP 16 June 1971 [15 July 1970] 28108/71 Heading F2F An antiskid hydraulically operated brake system includes means for generating a signal proportional to the rotational speed of a braked wheel, means for selecting first and second deceleration rates from the speed signal and also an acceleration signal and means for creating a first output control signal if the second deceleration rate does not occur within a predetermined time and a second control signal if said deceleration occurs during the time period, the acceleration of the controlled wheel being decreased by means of a third control signal if the predetermined acceleration rate has been exceeded. An accumulator 14 is charged from a reservoir 22 by a pump 26 and pressure fluid is supplied to the brakes via a foot-operated control valve 12, there being also a modulator 16 with valves operated by solenoids 18, 24 under the control of a unit 28 responsive to skidding conditions. Pulses from a wheel speed sensor are fed to a counter 30, the output of which is differentiated by a circuit 32 and fed to comparators 34, 36, 38. Reference voltages G 2 , G 1  corresponding to the predetermined deceleration rates are fed to comparators 34, 38 and a voltage G 3  corresponding to a wheel acceleration value is fed to comparator 36, the output of comparator 38 being fed to an integrator 40 which integrates the output of circuit 32 when triggered by the output of comparator 38. The outputs of comparators 34, 36 and integrator 40 are fed to the digital section of the control unit, Fig. 5, the output of which controls the solenoids 18, 24 of the valves. The wheel speed sensor may be a conventional magnetic pick-up device or a Doppler radar unit.
Patent GB-519654-A (GB)
Title: Improvements in or relating to telephone receivers
IPC: H04R13/02
Filed: 1938-09-27
Abstract: 519,654. Telephone receivers. STANDARD TELEPHONES & CABLES, Ltd., POCOCK, L. C., and ROBERTON, J. S. P. Sept. 27, 1938, No. 28113., [Class 40 (iv)] An adaptor for improving the frequencyresponse of a telephone receiver having a pronounced peak due to diaphragm resonance comprises a dished and apertured plate 11, Fig. 7, for insertion immediately behind the magnetic diaphragm 12 to form a substantially non-vibratile rear wall of a chamber behind the diaphragm, which chamber has an acoustic impedance including damping favourable to the flattening of the frequency curve. The higher frequency range may be improved by the addition of an apertured plate 16 immediately in front of the magnetic diaphragm to form a substantially non-vibratile front wall of conical shape to a chamber in front of the diaphragm, the dimensions of the chamber and apertures being determined in approximate accordance with claim 1 of Specification 481,740. In the preferred form, Fig. 7, the diaphragm 12 and the back and front plates 11, 16 are fastened together to form a unit which may replace the usual diaphragm of a British Post Office handset receiver. The back plate 11 is of thin metal of the order of 0.004 inches and is fastened to the diaphragm 12 just within its peripheral clamped portion so as not to increase the air gap, the middle of the plate bearing against the central pole-piece. This back plate has one or more holes covered with silk cloth to provide acoustic equalization as described in Specification 481,351. The front plate 16 has a peripheral part 21 of reduced thickness enabling the combined unit to be clamped by the usual earcap 19. A soft washer 20 of paper, felt or rubber is interposed between the front plate 16 and the earcap 19. The rear face of the front plate 16 is shaped as described in Specification 266,395, [Class 40 (iv)].
Patent GB-812001-A (GB)
Title: Improvements in or relating to torque transmitting couplings
Inventor: TAIT JOHN NOEL HUTTON
IPC: F16D3/66
Filed: 1955-10-04
Abstract: 812,001. Shaft couplings; clutches. BIRMINGHAM SMALL ARMS CO. Ltd. Aug. 13, 1956 [Oct. 4, 1955], No. 28182/55. Class 80 (2). A centrifugal clutch has a resilient torsional coupling in which all the resilient means transmit torque in one direction of rotation and only part of the resilient means transmit torque in the opposite direction in the same direction of rotation. A centrifugal clutch drum 1 has bolted thereto two annular members 5, 7 spaced by spacers 17, 19 and having arcuate receivers for the reception of six compression springs 13. The rings 5, 7 have a plurality of radial slots 4 containing abutment members 21 for the springs 13. A splined shaft 3, also secured to the drum 2 carries a sleeve 31 which forms a bearing for an outer sleeve 24 having a driving flange 25 at one end, and a radial plate 9 rigid therewith at the other end. The plate 9 is located between the rings 5, 7 and has radial gaps 6, whose width is that of the length of a spring 13, and gaps 8 whose width is greater than the length of a spring, the gaps being arranged such that on the transmission of torque from the drum 1 to the flange 25 in the direction of the arrow A all the springs transmit the drive from the rings 5, 7 to the plate 9, and on torque transmission from flange 25 to drum 1 in the same direction only three of the springs transmit the drive. The ratio of the springs transmitting the drive in each direction may be modified.
Patent GB-1004303-A (GB)
Title: Improvements relating to cleaning compositions
Inventor: MCPHERSON JOSEPH
IPC: C11D1/52
Filed: 1963-07-17
Abstract: A cleaning composition comprises an aqueous solution of (a) a compound of formula <FORM:1004303/C4-C5/1> where M is an alkali metal, R is alkyl and n is at least 1, (b) a compound of formula ROSO3M, where M is an alkali metal and R is an aliphatic hydrocarbon group, and (c) lauric acid alkylolamide. Preferred constituents are (a) sodium lauric acid monoethanolamide sulphosuccinate, (b) sodium lauryl sulphate, and (c) lauric monoisopropanolamide.  The compositions are suitable as carpet, rug and upholstery cleaners.
Patent GB-205995-A (GB)
Title: Improvements in traps and trap nests for poultry or the like
IPC: A01K31/16
Filed: 1922-10-18
Abstract: 205,995. Smith, A. L., and Hughes, A. O. C. Oct. 18, 1922. Trap nests.-A trap or trap nest for poultry &c. comprises a door 1 which rests on a projection or ledge 3 and a U-shaped wire frame 6 pivoted at 7 and having a part 8 which is adapted, when the hen enters the nest, to slide the door 1 off its ledge 3, the upper surface of which mav be curved as shown so that the door drops and covers the entrance. The bottom of the door is tapered in section and the grooves 2 are wider at the top so that the door may be moved backwards to -engage over the ledge 3.
Patent GB-705052-A (GB)
Title: Improvements in or relating to lighting fittings
IPC: F21V17/00
Filed: 1948-11-01
Abstract: 705,052. Electric lighting fittings. SMITH, H. L., and BENJAMIN ELECTRIC, Ltd. Dec. 1, 1949 [Nov. 1, 1948], No. 28302/48. Classes 75 (2) and 75 (4) An opening in a lighting fitting, e.g. the lower opening of a trough-shaped reflector 15, housing a tubular electric lamp, is closed by a member 18 of resilient transparent or translucent material which is so formed that it may be flexed to embrace surfaces on the fitting adjacent the opening to be retained by the resiliency of the material. The member 18, which may be of cellulose acetate or an acrylic resin, is formed along each longitudinal edge with an inwardly facing channel 19 which is adapted to engage a stepped flange 16 at the edge of the opening. The channels 19 may be extended around the four sides of the member 18, but preferably the ends 20 are merely turned up.
Patent GB-1462284-A (GB)
Title: Shield for electrical sockets
IPC: H01R33/09
Filed: 1974-06-26
Abstract: 1462284 Two part connectors RANK ORGANISATION Ltd 23 April 1975 [26 June 1974] 28340/74 Heading H2E A contact shielding device, for an open socket having contacts on opposite internal walls, comprises two shielding members 27, 28 of insulating material, mounted on an insulated sliding body member, which are resiliently biased apart to a first position in which they cover the contacts 17, 18. On insertion of a plug 37 the device slides into the socket, wedge faces 17a, 18a of the contacts urging the shielding members together and plug contacts 38, 39 engaging the socket contacts. The device may be spring biased towards the first position and may have recesses 31a, 32a, in jaws 31, 32 of the shielding members, which co-operate with a hook 40 on the plug to interengage as the plug is inserted so that the device is returned to the first position on withdrawal of the plug. In addition, to prevent inadvertent operation of the device, it may include a locking mechanism which retains it in the first position until released by a suitably shaped projection on the  plug. The device shown is half the width of the socket, being used alongside a similar half width device. A full width device shielding the whole socket may be used instead.
Patent GB-1067840-A (GB)
Title: Process of producing d-ribose-5-phosphate and d-ribose through fermentation
IPC: C12P19/02
Filed: 1964-07-09
Abstract: D-Ribose-5-phosphate or D-ribose are produced by culturing aerobically at 20-40 DEG  C. a microorganism of the genus Micrococcus, Brevibacterium, Aerobacter, Corynebacterium or Bacillus in a saccharide-containing aqueous culture medium containing 0.20-2.0% by weight of phosphate (as phosphoric acid radical), 0.01-0.2% of magnesium salt (as magnesium ion) and 0.1-1.5% of potassium salt (as potassium ion) and when D-ribose is recovered 0.0001-1% w./v. of at least one salt of manganese, iron or zinc. (The symbol w./v. is the number of grams per 100 millilitres of solution.) The ribose or ribose phosphate is produced directly in the culture fluid as well as in the microorganism cells.  A suitable culture medium is one which contains saccharides or other carbon sources (e.g. glucose, starch, starch hydrolysates and molasses), nitrogen sources (e.g. urea, ammonium chloride and ammonium nitrate), inorganic materials (e.g. potassium phosphate, magnesium sulphate, manganese sulphate, zinc sulphate, iron sulphate, iron chloride, zinc chloride and calcium chloride) and natural nitrogen-containing materials (e.g. corn steep liquor, yeast extract, meat extract, peptone, protein hydrolysates and fish meal). Upon completion of the fermentation the ribose or ribose phosphate may be recovered by treatment of the mixture with an ion exchange resin, adsorption, precipitation and extraction.
Patent GB-1274915-A (GB)
Title: Method of manufacturing a silo of plastics material and silos produced thereby
Inventor: HARTMANN PETER
IPC: B29C41/20
Filed: 1969-06-04
Abstract: 1,274,915. Moulding plastics silos. P. HARTMANN. 4 June, 1969 [4 June, 1968], No. 28365/69. Heading B5A. [Also in Division E1] A glass reinforced thermosetting plastics silo shell 4, incorporating at least one prefabricated hatch frame member 16 and cover member 17, is centrifugally cast within an aluminium mould 1 which is supported upon rollers 2, at least one whereof is rotated by a motor, and into which mould I glass fibre and plastics are respectively deposited during rotation of the mould 1 from a means 14, and nozzles 12 supplied with plastics under pressure, which are carried by a means 11 which can telescopically be extended into the interior of the mould 1 and one whereof is provided at each end of the mould 1 upon a wheeled carriage 10 running on horizontal tracks 9. Means, not shown, are provided for heating the interior of the silo within the mould. The mould 1 comprises two semi-cylindrical shells which are held together by screws during moulding and one whereof may be lifted from the other, for removal of the cast silo, by arms 5 at each end of the mould which are rotatable to engage under lugs 6 of a mould half and are upwardly displaceable by hydraulic means 7. At least one pre-fabricated end closure may be incorporated into the silo during the moulding thereof. Each pre-fabricated hatch frame member 16 and cover member, which are each of generally rectangular endless configuration in plan, is supported within endless domes 18 welded on to the mould 1 and, after moulding is completed, the cover including a layer 4 of the glass fibre reinforced plastics extending across the interior surface of the member 17, is cut along a line 24, and may be pivoted about ahinge 25. In use, the cover 17 abuts a rubber seal 21 carried by the frame 16, and is secured in position by means 26. Connections for protective covers and ladders may also be moulded into the silo 4.
Patent GB-232878-A (GB)
Title: Improvements in or relating to wearing apparel
IPC: A41F19/00
Filed: 1924-11-26
Abstract: 232,878. Keech, G. E. Nov. 26, 1924. Sleeves and legs; skirts.-To facilitate lengthening a garment, a tuck is formed with a reserve portion of material and provided with a series of lines 19 of stitching or of readily releaseable fastenings for successively letting down the doubled portion of the garment. The construction may be masked by the cuff portion of sleeves or legs or by a corresponding part at the waist of a skirt.