baber/WOPTO huggingface dataset:
Patent GB-667609-A (GB)
Title: Improvements in or relating to cooling of dynamo electric apparatus
IPC: H02K9/20
Filed: 1950-02-22
Abstract: 667,609. Cooling dynamo-electric machines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Feb. 22, 1950 [March 26, 1949], No. 4523/50. Class 35. A dynamo-electric machine is cooled by a liquid fluorocarbon having a boiling-point of between 15 and 150 C. which is pumped inside the machine and collected in a vapour state to be condensed again. A pump 62 causes the liquid, e.g. perfuoromethylcyclohexane, perfluoroheptane, to flow in spaced passages 56 formed in the stator laminations 50 and, by contact, this liquid absorbs any excess heat in the laminations 50. The liquid then flows in slots 52 to the adjacent vapour outlet passages 66 and escapes into a chamber 68 whence it is drawn out by a fan 76 and directed to a condenser 80. The rotor, which is separated from the stator by members 40, 42, is cooled by a stream of gas, e.g. hydrogen, circulated by a fan 22, a water cooler for the hydrogen being provided. Specification 661,531 is referred to.
Patent GB-122078-A (GB)
Title: Improvements in or relating to Sights for Small Arms.
Inventor: TAYLOR LESLIE BOWN
IPC: F41G1/18
Filed: 1918-03-14
Abstract: 122,078. Taylor, L. B., and Parsons, E. H. March 14, 1918. Sights.-Consists in forming a rack in one of the side edges of the hinged leaf or bar of a backsight, by a series of parallel notches which terminate within the edge, leaving the marginal portions entire. The rack is adapted to be engaged by a spring detent, mounted in the elevating-slide. In the construction shown, the hinged bar a has on one edge a rack formed by parallel notches shaped as shown in Figs. 3 and 4. The detent c, Figs. 2 and 5, is made in one piece and has a tooth c<2> adapted to engage the rack.
Patent GB-406472-A (GB)
Title: Improvements in and relating to lamps
IPC: F21V37/00
Filed: 1933-02-15
Abstract: 406,472. Combined electric and oilburning lamps. IMBER, J., Aladdin Building, Greenford, Middlesex. Feb. 15, 1933, No. 4668. [Class 75 (iv).] A combined electric and oil-burning lamp comprises an oil or spirit reservoir e, a standard a mounted thereon and formed at or near its upper end with one or more electric lamp sockets b, an incandescent oil burner k mounted on said reservoi and an imperforate hood c, d detachably secured over said oil burner when the electric lamp is in use. As shown, the standard may be mounted directly upon the hood. The flux f enters the portion d of the hood at g and passes around the interior of this portion, being held in position by clips, and then through the interior of the portion c to the standard a. The portion d is formed at its lower edge with inwardly directed lugs which co-operate with slots in a flange secured to the top of the reservoir to make a bayonet-joint connection. The burner k is detachably screwed on to the reservoir and is formed with a rim n to receive a combined chimney and mantle fitting when the electric lamp is inoperative. The reservoir may be fitted with a separate filling aperture and with a pressure pump when necessary. According to the Provisional Specification the burner may be fixed to the reservoir, the hood may be screwed on to the reservoir, and the latter may be so proportioned that the chimney and mantle fitting can be mounted without interfering with the electric lamp standard.
Patent GB-595273-A (GB)
Title: Convertible bed
IPC: A47C17/13
Filed: 1945-02-26
Abstract: 595,273. Convertible beds. STEIER, E., STEIER, R., and STEIN, M. Feb. 26, 1945, No. 4736. [Class 52(ii)] A convertible bed is provided with a supporting surface comprising a trellis work which consists of diagonal members 15, 17 together with, if desired, transverse members 14, all pivoted together as shown. The trellis members 15, 17 are connected at their ends to transverse members 11, 3 of which the member 11 is fixed and the member 3 is carried by telescoping side members 7-10. The trellis &c. may form part of the frame 1, 2 of a divan in which case the cushions 4, 5, 6 may be positioned as shown for the two purposes of a bed and of a seat. The trellis may however be connected directly to a wall or a niche in a wall or in a cabinet. Folding legs 24 are provided. Specification 6906/96, [Class 52], is referred to.
Patent GB-119617-A (GB)
Title: Improvements in Caps or Covers for Bottlers, Jars and like Containers.
Inventor: PIKE WILLIAM ROBERT
IPC: B65D41/16
Filed: 1918-03-18
Abstract: 119,617. Pike, W. R. March 18, 1918. Capsule closures.-Relates to caps or covers for bottles, jars, and like containers, and of the kind comprising a resilient centre plate 10 having spring gripping-elements 15 adapted to spring over and engage a bead 22 on the mouth of the container. According to the invention, the slits 16 in the depending annular flange 14 do not extend up into the curved stiffening rim-portion 11 intermediate the flange 14 and the plate 10, but extend from perforations 18 in the flange 14. The gasket 25 of cork, rubber, felted composition, &c., has a disk 26 of waxed non-absorbent paper on its lower side.
Patent GB-1004014-A (GB)
Title: Improvements in or relating to grass and like mowing machines of the rapidly rotating flat-bladed type
IPC: A01D34/82
Filed: 1964-02-05
Abstract: 1,004,014. Rotary-scythe mowers. A. E. ELLIS. Feb. 5, 1964 [Feb. 16, 1963], No. 4821/64. Heading A1F. A rotary-scythe mower has its sideplates 11 formed as skids so that they prevent scalping if the mower travels over bumps. The machine has the usual wheels 12 which are adjustably mounted on the side-plates and the height of cut may additionally be adjustable by shims 31 on the cutter spindle 16. In an alternative construction, the wheels 12 are replaced by rollers 20 within the mower housing, the side-plates 11alpha then having longitudinal slots 21 for the escape of cuttings. The rollers are mounted on cranks 22 pivoted to the side plates, one crank on each roller being extended by a handle 24 engageable with a detent 27 on the flat upper platform of the mower, to adjust the height of the rollers. The rollers may be split laterally to facilitate manoevrability.
Patent GB-162444-A (GB)
Title: Improvements in power driven washing and wringing machines
IPC: D06F13/02
Filed: 1920-02-18
Abstract: 162,444. Timpany, J. C. Feb. 18, 1920. Washing-machines with swinging beaters in stationary receptacles ; wringers, driving-gear for. -In a combined washing-machine and wringer, the drive from the main spindle 1 to the respective machines is through a pinion 15 and an idle pinion 16, which is carried by a frame pivoted on the spindle 1 and rocked by a hand-lever 9 so as to connect the pinion 15 with either of the gearwheels 17, 18 to drive the washing-machine 12 or wringer 25. The spindle 1 is journaled in a bracket supported from the double cross stay 6. The washing-machine may be of the kind in which an oscillating rubber 12 and a swinging bumper 13 are supported within a tank 11 and are so articulated as to be actuated by the crank 14 that oscillates the rubber.
Patent GB-863211-A (GB)
Title: Improvements in or relating to the manufacture of graft copolymers
Inventor: SMITH ROBERT ROY
IPC: C08F291/18
Filed: 1957-02-13
Abstract: 863,211. Graft copolymers. B.X. PLASTICS Ltd. May 13, 1958 [Feb. 13, 1957], No. 4987/57. Class 2(6). In the production of graft copolymers from a polymer and a grafting material polymerizable by free radicals, by the use of ionizing radiation, the grafting material is contacted in the vapour phase with the polymer. The polymer may -be subjected to ionizing radiation in the presence of oxygen to form peroxidized active centres on the polymer and the irradiated polymer then contacted with the vapour of the grafting material, or the polymer may be subjected to ionizing radiation while in contact with an excess of at least one monomeric vinyl compound which is different from that monomer from which the polymeric material is derived. The polymer may be polyethylene, cellulose, cellulose acetate, cellulose triacetate, polyvinyl chloride, a polyamide, polystyrene, rubber, polymethyl methacrylate, or a copolymer of vinyl chloride, styrene or methyl methacrylate with a copolymerizable substance. The grafting material may be styrene, vinyl chloride, vinylidene chloride, vinyl carbazole, isoprene, butadiene, methyl methacrylate, acrylonitrile or acrylamide.
Patent GB-668587-A (GB)
Title: Starting and operating circuits for fluorescent electric lamps
IPC: H05B41/06
Filed: 1950-02-28
Abstract: 668,587. Control systems for space-discharge lamps. HAMILTON, W. S. H. Feb. 28, 1950, No. 5077/50. Class 38 (iv). To obtain rapid restarting of a fluorescent lamp 1 having filamentary electrodes 2, 3, the preheating circuit comprises two parallel paths energized in succession should the lamp fail to start during energization of the first circuit which includes the normally closed contacts 19 of an electromagnetic relay 12 having the coil 18 included in the second and operating circuit, and the heater 29 of a thermal switch 11 having normally open contacts 26 included in the second circuit, the arrangement being such that should the lamp fail to start after preheating the filament 2 over the first circuit thermal switch 26 closes causing contacts 19 to open and interrupt the current through the heater 29 preheating being continued over the second circuit until contacts 26 re-open and interrupt the current through relay coil 18 and so provide a voltage pulse across the lamp. The system is suitable for operation from A.C. or D.C.
Patent GB-136191-A (GB)
Title: Improvements in Multi-cylinder Internal Combustion Engines.
Inventor: GRICE ARTHUR GEORGE
IPC: F02B75/26
Filed: 1918-03-22
Abstract: 136,191. Grice, A. G. March 22, 1918. Two-stroke-cycle engines; driving-gear; cylinders, construction of, and cooling.-Parallel cylinders are arranged on opposite sides of a centrallydisposed driving-cain 64 with which engage rollers carried by rods each connected to a pair of coaxial pistons. Charges of air or combustible mixture are compressed in the ends of the cylinders remote from the combustion spaces, and the cylinders on each side of the driving-cam are mounted in a common surrounding casing 1 forming a water jacket. The cylinders each have an extension 42 by means of which the cylinders are secured in position by screwed collars 43. The admission pipes to the pump spaces and the water-circulating pipes are cast in one piece. The piston-rods are connected to cross-heads 50, Fig. 3, each of which carries a block 52 having inclined faces' sliding in contact with a guide-bar 55. A pin 51, which is attached to the cross-head 50, carries a roller 60 engaging a groove in the driving-cam. The guidebars may be adjusted to take up wear. Two or three complete waves may comprise the groove formed on the driving-cam; the engine may comprise three, four, or five pairs of opposed cylinders.
Patent GB-1243849-A (GB)
Title: Process for the manufacture of elastomeric plastics products based on diepoxides and long-chain polyester-polyamide-dicarboxylic acids
IPC: C08G63/91
Filed: 1969-01-30
Abstract: 1,243,849. Epoxy resin polyadducts. CIBA GEIGY A.G. 30 Jan., 1969 [31 Jan., 1968; 5 Sept., 1968], No. 5135/69. Heading C3B. [Also in Division C2] Elastomeric polyadducts are obtained by reacting diepoxides (I) with 0À6 to 1À2 carboxyl equivalents per epoxide equivalent of a carboxyl terminated polyester-polyamide (II) of formula in which R<SP>1</SP> is a C 2-11  branched or unbranched alkylene radical, e.g. pentamethylene, a and b are each 0 or an integer and (a + b) is 1 to 8; A denotes a branched or unbranched aliphatic hydrocarbon chain which is interrupted by at least two ester groups -OCO- in which the number of carbon atoms in the hydrocarbon residues divided by the number of oxygen bridges is 3 to 32; also the total number of carbon atoms in the hydrocarbon residues of A is at least 10. II Contains from 1 to 7 equivalents of amide groups per kg. I May be a conventional diglycidyl ether or ester or an N,N<SP>1</SP>- diglycidyl derivative of a heterocyclic nitrogen compound. In addition to II a polycarboxylic acid anhydride may be added to the composition as curing agent. Triepoxides may also be present in minor proportions as cross-linking agents. In preferred II the polyester component (A) is derived from a compound of formula in which R<SP>2</SP> and R<SP>3</SP> are branched or unbranched alkylene chains, the sum of the number of C atoms in R<SP>2</SP> and R<SP>3</SP> is 6 to 64 and m is chosen so that the product of m and the total C atoms in R<SP>2</SP> and R<SP>3</SP> is at least 25. (A) May also be derived from an acid polyester of formula in which R is an alkylene chain having 3 to 32 carbon atoms, R<SP>5</SP> is an aliphatic hydrocarbon residue; the product of (c + d) and the total number of C atoms in R<SP>4</SP> is at least 25.
Patent GB-1528244-A (GB)
Title: Fuse for projectiles with safety devices
IPC: F42C19/00
Filed: 1976-02-10
Abstract: 1528244 Projectile fuzes SpA FRATELLI BORLETTI 10 Feb 1976 [11 Feb 1975] 05150/76 Heading F3A A percussion fuze for a projectile comprises a diaphragm 19 forming a perfect seal between a detonator 20 and a latch 15 for interrupting a powder chain. The diaphragm prevents the infiltration of azidic acid into the chamber of the detonator 20 and prevents the formation of copper azide in the region of the detonator. Parts of the fuze made of copper are coated with nickel or tin so as to resist attack by azidic acid. Upon firing the projectile, a bolt 16 sets back and the latch 15 is moved by centrifugal force to align a charge 18 with the detonator 20 and a transmission charge 14. A bolt 9 also sets back to release a locking ball 11 and a centrifugal bolt 12 is withdrawn to complete the release of a slide 4. Upon impact of the projectile with its target, the transmission charge 14 is ignited by a charge 3, ignited by a direct impact striker 2, or by a charge 6 if the impact is a grazing impact and results solely in the slide 4 being thrown towards a striker 5.
Patent GB-832255-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04C3/00
Filed: 1957-02-15
Abstract: 832,255. Centrifugal separators. LARDERELLO S.p.A. Feb. 15, 1957 [Feb. 18, 1956], No. 5154/57. Class 23 A separator for separating solid or liquid particles from gas comprises a tubular body 1, whirl vanes 11 having a hub 12 at the inlet end of the body, a gas outlet tube 5 protruding into the outlet end of the body, a particle collection chamber 7 communicating with the interior of the body through the annulus 6 between the outlet tube and the body, and flow straightening vanes 10 on the upstream side of the vanes. The body may have an enlarged portion 6a, and the chamber may have a valve discharging when collected liquid reaches a predetermined level. In Fig. 7 two of the separators are arranged in series, water is supplied to the inlet 20 of the second separator, and liquid from the chamber 21 of the second separator is circulated to the inlet 23 of the first separator. Proportions of the apparatus are given.
Patent GB-1207892-A (GB)
Title: Microbial rennin
IPC: C12N9/58
Filed: 1968-02-01
Abstract: 1,207,892. Cheese. BAXTER LABORATORIES Inc. 1 Feb., 1968 [18 April, 1967], No. 5205/68. Heading A2B. [Also in Division C3] A microbial rennin (see Division C3) is used at the rate of 3 ounces per 1,000 pounds of milk to make Cheddar cheese from pasteurised whole milk. The cheese is free from off-flavours.
Patent GB-1491376-A (GB)
Title: Filament cutting arrangement
IPC: B21F11/00
Filed: 1975-02-07
Abstract: 1491376 Cutting threads ZELLWEGER USTER Ltd 7 Feb 1975 [20 Feb 1974] 5291/75 Heading B4B An arrangement for severing a filament, e.g. a yarn, comprises a slide 4 on which is provided a guide 7 arranged such that the filament travels first between a cutting blade 22 and an associated anvil and, then between a clamping member 23 and its associated abutment 21. The slide 4 is provided with a shaft 5 guided in a housing 1 and a latch 17 for engagement with a projection 15 on an armature 11 of a solenoid 10. The anvil and abutment are formed by a U-shaped plate 21 which is reversible in the housing in order to allow for wear. In operation, the slide is moved manually via a push-button 8 against the action of a spring 9 so as to permit the engagement of the latch with the projection as shown in Fig. 1. Upon energization of the solenoid 10, the slide is released and so causes the member 23 to first clamp the filament against the abutment plate and then the blade 22 to sever the filament; the member 23 is loaded by a spring 24.
Patent GB-525183-A (GB)
Title: Improvements in or relating to electric wave transmission systems involving volume range compression or expansion
IPC: H03G7/00
Filed: 1939-02-17
Abstract: 525,183. Thermionic amplifiers. KOLSTERBRANDES, Ltd., and BEATTY, W. A. Feb. 17, 1939, No. 5325. [Class 40 (v)] Volume expansion or contraction is made to depend upon the frequency-shift caused by the sound or other wave when applied to the grid of a valve oscillating at a fundamental frequency. As shown in Fig. 1, signals are applied to the grid of an oscillator 11, and the output is passed to a frequency-changer 12 which converts the unmodulated wave to a frequency of say 450 kc. The output is then passed to the IF stage 13, which has a response curve of the form shown in Fig. 2. The unmodulated 450 kc. frequency is off-resonance, but as the signal strength increases the frequency change, due to increasing gridmodulation, shifts towards the '' peak " B of the resonance curve, and the output to the detector 14 is correspondingly increased. Alternatively, an increase in signal strength can be made to reduce the output to the detector. If the unmodulated IF frequency corresponds to the point E, an increase in modulation will first shift the frequency to point B, giving volume expansion, whilst any further increase will shift the point to C and produce volume compression.
Patent GB-726843-A (GB)
Title: Improvements in or relating to the handling of fluidized solids
IPC: B01J8/26
Filed: 1953-02-25
Abstract: <PICT:0726843/III/1> In an apparatus of conventional type for contacting gas with a bed of fluidized solid particles and wherein solid entrained in the exit gas is separated by a cyclone 30 and returned to the bed through a dip leg 34, the latter terminates in an open-topped seal pot 35 placed above the main fluid bed and supplied with aerating gas through a pipe 36.  The depth of the seal pot below the mouth of the dip leg is at least 2.5 and preferably 3.5-6 times its diameter.  If two or more cyclones are used in series, as shown on the left of Fig. 1, the invention is applied at least to the final one.  According to another feature, relatively coarse solid from a hopper 60 is suspended in the aerating gas so that it mingles with the fines in the seal pot, which, in this case, need not have the stated relative dimensions.  In a modification, this coarse solid is aspirated into line 36 from the main fluid bed through a branch line (not shown).
Patent GB-124204-A (GB)
Title: Improvements in or pertaining to Carburetting or similar Apparatus.
Inventor: MCCOLLUM JAMES HARRY KEIGHLY
IPC: F02M17/08
Filed: 1919-03-05
Abstract: 124,204. McCollum, J. H. K. March 6, 1918, [Convention date]. Spray carburettors.-Comprises a carburettor, particularly for use in internal-combustion engines, in which the fuel nozzle I is situated in the seat of a suction-actuated spring or weight-loaded air-valve B. The nozzle is formed with a slot J or series of holes facing away from the centre of the valve, and is covered by a boss X of the valve, so that as the latter rises, the nozzle opening increases. The slot J may be varied in width at different parts, or the equivalent holes may be of different sizes, to give any desired richness of mixture at varying openings of the valve. For the same purpose, the nozzle may be rotated by means of an arm P, the suction on it varying with the direction of its slotted outlet. The arm P may be coupled to the throttle E, so as to be rotated therewith. Fuel enters the nozzle through a number of small holes K. A float chamber may be used, or, where suction feed is employed, a chamber, as shown in Fig. 6, may be provided, the fuel being trapped at a level e-f, to provide sufficient for starting. A passage C<2> leading into the mixing-chamber of the carburettor is normally closed bv a needle valve A<2> fixed to a spring diaphragm B<2>, but by pulling the knob K<2>, fuel is al owed to flow through the passage C<2>. A fuel strainer may be fitted in the trap chamber. In the form shown in Fig. 6, the air valve B is controlled by a weak spring D<2> and a strong spring T, the former alone coming into action at the initial opening of the valve, a greater resistance being thus opposed to large valve openings Or, the reverse effect may be obtained by the use of a plate E' larger than the valve and secured to it, this giving a larger area for the air current to act upon. Slots T<1> may be formed in the p'ate E<1>. Chattering of the valve B is checked by a fixed plate G<1> having a dash-pot action. The springs of the air valve bear against a collar F<2> wnich mav be moved to adjust the springs by a bell-crank lever H<2>. Where this control is fitted, the throttle E may be dispensed with.
Patent GB-398410-A (GB)
Title: Improvements in or relating to cam mechanism for actuating radially arranged pumps and other fluid pressure or suction generating devices and for like purposes
IPC: F16H25/14
Filed: 1933-02-22
Abstract: 398,410. Cam mechanism. BARBAROU, M. J. B., 25, Boulevard d'Argenson, Neuilly-sur-Seine, France. Feb. 22, 1933, No. 5450; Convention date, Feb. 24, 1932. [Class 80 (iii).] In cam mechanism for actuating radial tappets 22 or the like bearing rollers 25, the cam C is carried bodily round in a circular orbit by a crank 8 on the drive shaft, while a toothed wheel 16 integral with the cam rolls round an internal gear 17 secured in a recess at the outermost end of the casing. The cam therefore rotates slowly backwards, i.e. as shown by the arrow F1. The cam is formed with faces 14 and troughs 15. If there are n tappets, there are n-1/2 faces 14. The device is applicable to radial fuel pumps for internal - combustion engines.
Patent GB-1480701-A (GB)
Title: Sealing ring
IPC: F16J15/20
Filed: 1975-02-10
Abstract: 1480701 Seals KLINGER AG 10 Feb 1975 [12 Feb 1974] 5554/75 Heading F2B A sealing ring consists of layers 1 of expanded graphite alternating with support layers 2, having at least the same order of resiliency as the graphite. The support layers may be fibrous or of sheet metal. The ring is made by adhesively bonding together flat annular discs of rubber asbestos and expanded graphite and pressing the assembly to frusto-conical shape. The ring is used to seal the rim of a valve member in a butterfly valve.