baber/WOPTO huggingface dataset:
Patent GB-514299-A (GB)
Title: Improvements in or relating to materials for electrical contacts
IPC: H01H1/023
Filed: 1938-01-28
Abstract: 514,299. Alloys. GENERAL ELECTRIC CO., Ltd., and SMITHELLS, C. J. Jan. 28, 1938, No. 2780. [Class 82(i)] Contacts for electric circuit breakers adapted to operate in air are made by sintering in a non-oxidising atmosphere a mixture of molybdenum, silver, and a third metal which may be iron or cobalt or preferably nickel. Examples consist of (a) 50 per cent. of molybdenum, 48 per cent. of silver, and 2 per cent. of nickel; (b) 90 per cent. of molybdenum, 5 per cent. of silver, and 5 per cent. of nickel. Specifications 335,081, [Class 82(i)], and 437,713 are referred to.
Patent GB-554673-A (GB)
Title: Improvements relating to safety devices for lifts or elevators
IPC: B66B5/18
Filed: 1942-03-03
Abstract: 554,673. Lift safety devices. WADSWORTH & SONS, Ltd., W., and DISLEY, H. J. March 3, 1942, No. 2812. [Class 78 (iii)] A speed limiting device for lifts, of the type in which governor gear grips a safety rope k when the speed exceeds a predetermined maximum and causes clamps, &c. i upon the cage to engage the guide rails j and bring the car to rest, has means for increasing the braking pressure at any desired predetermined rate as the movement of the car continues. Pull by the governor on the rope k causes a shaft a to rotate and to impart axial movement to nuts h, d threaded one pair at each end on the shaft a, means e being provided for preventing rotation of the nuts. Slidable on the shaft a between each pair of nuts h, d is a cone f pressed by a spring g abutting the nut h so as to cause the cone to follow the nut d and splay out the near ends of the pivoted clamps i and cause their far ends to squeeze the guide rails. The pitch of the screw on which each nut h rides is greater than that carrying nut d, so that a predetermined increase of gripping pressure takes place as the pull on the rope k continues.
Patent GB-1459002-A (GB)
Title: High voltage transfer switch
IPC: H01P1/12
Filed: 1974-01-22
Abstract: 1459002 Electromagnetic switches INTERNATIONAL STANDARD ELECTRIC CORP 22 Jan 1974 [29 Jan 1973] 02875/74 Heading H1N A multicontact switch suitable for radio frequency circuits in a submarine mast has cooperating sub-assemblies 1, 3 with co-operating contacts in apertures in corona shields 33, 43 which face each other in parallel plate to plate configuration the shields and contacts being symmetrical about a plane along which the line of contact movement extends as the movable sub-assembly 3 moves rectilinearly to maintain the parallel plate to plate configuration. The plate faces engage before contacts 31 engage fixed contacts 41 and coaxial connector contacts 32 engage corresponding contacts 42. The shield 43 is spring mounted to move backward as the switch contacts 31, 41, 32, 42 engage. A block 30 mounting the movable contact is guided on a rod 6 and coupled to rods 20, 21 secured to a plate 17 slotted at 17a to receive a pin 16a on a plate 16 driven by a worm 11 and worm-wheel 12 drive from a motor 8. The worm-wheel 12 also drives an edge-cam (Fig. 2A, not shown) for microswitches arranged to stop the motor 8 after a switch operation.
Patent GB-1240982-A (GB)
Title: Benzothiazepine derivatives
IPC: C07D281/10
Filed: 1970-01-21
Abstract: 1,240,982. Benzothiazepine derivatives. TANABE SEIYAKU CO. Ltd. 21 Jan., 1970 [25 Jan, 1969], No. 2960/70. Heading C2C. 2 - (p - Methoxyphenyl) - 3 - alkoxycarbonyloxy - 5 - (# - dimethylaminoethyl) - 2,3,4,5-tetrahydrobenzthiaz[1 ,5]epin-4-ones and their acid addition salts are prepared by reacting the 3-hydroxy compound with a C 1 _ 4  alkyl haloformate, optionally followed by salt formation. The above compounds are coronary vasodilators, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-758470-A (GB)
Title: Improvements in or relating to fluid flow meters
IPC: G01F3/14
Filed: 1954-02-01
Abstract: 758,470. Liquid meters; gas meters. PILLIN, Ltd., J. B., and EARLY, K. C. Oct. 28, 1954 [Feb. 1, 1954], No. 2976/54. Classes 54 and 69 (2). A liquid meter which may be used for other fluids comprises a swashplate motor having an inlet port 1 and outlet ports 30. A stationary valve plate 3 is urged by the input liquid pressure against a shoulder 6 of the motor casing. A rotatable cylinder block 9 has a ported end plate 8 screwed thereto, a recording spindle 12 having a pin and slot connection with the plate 8 so as to rotate therewith and to allow some axial movement of the cylinder block and end plate. A spring 16 urges the end plate 8 against the valve plate 3. The angle of the swash plate may be adjusted by a screw 26. Ports 27 in the end plate 8 are so positioned that any air entering the cylinders is ejected on the discharge stroke of the pistons.
Patent GB-456092-A (GB)
Title: Improvements in or relating to combustion chambers of four-stroke cycle internal combustion engines
IPC: F02B19/14
Filed: 1936-02-01
Abstract: 456,092. Cylinders. BUCHI, A., Winterthur, Switzerland. Feb. 1, 1936, No. 3121. Convention date, Feb. 4, 1935. [Classes 7 (ii) and 7 (iii)] A whirling air charge is admitted under pressure by a number of valves 4 arranged round the combustion chamber 12, exhaust taking place by an overhead valve 5. The admission valves may be operated either by the engine or by suction ; whirling is produced by the formation of the passages outside the valves, or by co-operation of some of the valve heads with blanketing projections from the walls of the combustion-chamber which may be cylindrical. The piston face may be flat and have a projection 27 and grooves 30 arranged to increase rotation of the air charge. The exhaust valve 5 may be streamlined and grooved, as at 33, to reduce weight, and the whirl of the exhaust is continued by vanes 34 and by forming the passage 35 as on annular spiral which leads to a diverging pipe 36. One or more fuel nozzles are arranged in ribs 9. By overlapping the exhaust and admission periods scavenging is produced.
Patent GB-178582-A (GB)
Title: Improvements in flask-clamps
IPC: A61C13/18
Filed: 1921-01-26
Abstract: 178,582. Wilscn, S. H. Jan. 26, 1921. Addition to 159,057. Dental flasks.-In clamps for dental flasks &c. of the kind claimed in the parent Specification, improvements or modifications are effected n the clamping-screw, the adjustable platform and in the means for adjusting and locking the platform. Fig. 1 shows a clamp in which the clamping-screw 9 is operated by a sleeve nut 6 so that the overall height of the flask clamp remains constant and the articulated platform g engages with substantially semicircular notches as shown. In modifications the platform 'is rigid ard is adjusted by means of a screwed nut 11, Fig. 2, or by a collar having projections adapted to engage longitudinal and transverse grooves in the uprights b, or the platform may be adjusted freely and held in position by a wedging action as shown in Fig. 5, in which a downward pressure on the platform being applied the calls 19 rise and wedge between the uprights b and the liner 16 inserted in the platform.
Patent GB-1360961-A (GB)
Title: Finned tube heat exchanger
IPC: F28F1/32
Filed: 1973-01-22
Abstract: 1360961 Finned-tube heat exchangers DUNHAM-BUSH Inc 22 Jan 1973 [2 Oct 1972] 3180/73 Heading F4S A fin and tube heat exchanger assembly (10, Fig. 1), particularly for use in air conditioning systems, comprises a plurality of refrigerantcarrying tubes (12) which are connected in serpentine fashion by return bends (14) and pass through flanged openings 22 in astack of parallel transversely extending sheet metal flns 20, the fins being suitably pleated to define shallow angulated corrugations. Punched out openings or holes 42 elongated in a direction at right angles to the air flow 24 through the assembly are formed in the inclined portions of the fins between adjacent fold lines 38.
Patent GB-1240792-A (GB)
Title: Helix-coupled impedance transformers and tubes using same
Inventor: MCDOWELL HUNTER LEE
IPC: H01P5/02
Filed: 1969-01-20
Abstract: 1,240,792. Travelling-wave tubes. S.F.D. LABORATORIES Inc. 20 Jan., 1969, No. 3188/69. Heading H1D. An impedance-transforming circuit-as described, employed in a travelling-wave tube for coupling the input or output co-axial line to a slow wave structure of the helix-coupled type generally disclosed in Specification 1,151,069- includes an array of conductive bars overlying and insulated from a ground plane and providing a periodic shunt capacitance, successive bars being interconnected by a helix structure providing a periodic series inductance, the helix structure and the conductive bars being so dimensioned that the ratio of the periodic inductance to periodic capacitance changes from one end of the circuit to the other. In the two-stage circuit of Fig. 5, shown also at 15 in Fig. 2, the helix 34 of tapering diameter couples the conductive bars 31 formed on an insulating printed circuit board 32 mounted on a copper plate earth member 33. The helix diameter and the bar length are simultaneously varied along the length of the structure, as shown, to maintain the high frequency cut-off approximately constant along the length of the structure while providing the desired impedance transformation. The bars 31<SP>1</SP> terminating the low impedance ends of the two sections 35 and 36 are of reduced length as shown, or alternatively the end sections of the helix are of reduced inductance, consistent with filter theory. In the crossed-field linear travelling-wave tube of Figs. 1 and 2, the impedance transformer 15 couples a coaxial line to one end of the helixcoupled bar slow-wave circuit 1 which is supported from the tube envelope 6 by a ceramic bar 5, and the bars 2 of which are insulated from the envelope by ceramic bars 8, which are narrower than bars 2 such that they are shielded from sputtered material from the cathode 9, and which are preferably of beryllia to assist thermal conduction to the envelope. A cylindrical crossed-field travelling-wave tube is also described (Fig. 6, not shown) employing a two-stage impedance transformer as shown in Fig. 5 at each end of a helix-coupled bar slow-wave circuit.
Patent GB-547569-A (GB)
Title: Manufacture of fatty acid aryl hydrazide sulphonic acids
IPC: D01C3/00
Filed: 1941-03-11
Abstract: 547,569. Emulsifying agents. GEIGY AKT.- GES., J. R. March 11, 1941, No. 3303. Convention' date, March 12, 1940. [Class 1 (i)] [Also in Group IV] Arylhydrazines, acylated with a fatty acid containing at least ten carbon atoms are sulphonated to yield products which are stated to have the property of emulsifying lime soaps. In examples: (1) phenylhydrazine, acylated with palm nut fatty acid or the halides of oleic or stearic acid, is sulphonated with oleum and neutralized; (2) o-tolylhydrazine is acylated in benzene with palm nut fatty acid chloride and sulphonated. The use of lauric, capric and myristic acid and cotton seed and train oil fatty acids is mentioned and also N-alkyl and hyroxyalkyl aryl hydrazines.
Patent GB-1554044-A (GB)
Title: Prostaglandins
IPC: C07D313/00
Filed: 1977-01-27
Abstract: The novel iodine derivatives of the prostaglandins of the formula I, which possess a 9-deoxy-6,9-epoxy functionality, <IMAGE>  in which D, L, Q, X, V, W, R1 and R4 have the same meaning as in Patent Claim 1, are prepared by subjecting a compound of the formula XIII <IMAGE> to an iodination and cyclisation. By reacting with a dehydroiodinating reagent, the halogen atom which is bound to the carbon atom of the cyclic structure, together with the iodine atom which is bound to the adjacent carbon atom, can be eliminated from the iodine compounds of the formula I, with the corresponding compounds possessing a double bond in the trans position being obtained. If, on the other hand, the compounds of the formula I are subjected to a dehalogenation and hydrolysis, the hemiketal of the formula III <IMAGE> is then obtained, mixed with the corresponding open-chain keto compound. The novel prostaglandin derivatives can be used for preventing blood platelet agglutination, for stimulating the smooth musculature, as agents for lowering blood pressure, or as agents for preventing too strong a secretion of gastric juice.
Patent GB-453994-A (GB)
Title: Method of plucking poultry and composition therefor
IPC: A22C21/02
Filed: 1936-02-04
Abstract: In the plucking of poultry by the wax-coating method, the dry rough-plucked bird is cooled, or is allowed to cool, to a skin temperature between 90 and 70 DEG  F., preferably 80 DEG  F., and the depilatory material is applied, by dipping or spraying, at a temperature between 115 and 140 DEG  F., preferably 127 to 136 DEG F. The depilatory material contains paraffin wax, rosin, and preferably a fat such as lard, and it may contain gum damar, candelilla wax or rubber.  Examples of suitable proportions of the ingredients are given, in all of which the amount of paraffin wax is over 45 per cent.  According to the Specification as open to inspection under Sect. 91 a soft scald at a temperature of 129 DEG F., may be included in the process.  The subject-matter does not appear in the Specification as accepted.
Patent GB-210291-A (GB)
Title: Machine and process for reclaiming fuel
IPC: B03B9/04
Filed: 1923-02-05
Abstract: 210,291. Arpin, J. B. Feb. 5, 1923. Washing-apparatus with screens; inclinedtrough washing-apparatus. -An apparatus for recovering coke from ashes comprises a hopper 10 from which the ashes are discharged into a flume 11 containing running water. Situated in the flume adjacent the delivery mouth of the hopper is a screen 12, inclined upwardly in the direction of flow of the water, on which the ashes drop. This screen is supported by fixed pins engaging in slots 14 at one end, and towards its other end by levers 16 which are oscillated by suitable means. The fine particles of the ashes fall through the screen on to the sloping bottom 13 of the flume, while the remainder are discharged on to a fixed shelf 25 projecting under the downstream end of the screen. The light material is carried by the current on to a second fixed shelf 26, the heavy material falling between the shelves on to the bottom 13. The material reaching the shelf 26 passes to a second screen 27 supported by oscillating levers 28, 29 and pivoted at its downstream end to a screw 33. Any fine particles remaining pass through the screen 27 to the bottom 13 while the coke passes up the screen 33 and is collected by a conveyer 38 extending partly over the screen, a platform 40 being mounted below the upper part of the conveyer. The conveyer delivers the coke to a trough 44 from which it is removed by a conveyer 45. The materials passing along the bottom 13 enter a trough 48 and are removed by a conveyer 50.
Patent GB-583361-A (GB)
Title: Improvements in or relating to equi-signal radio beacon systems
IPC: G01S1/02
Filed: 1943-03-01
Abstract: 583,361. Directive wireless systems. O'BRIEN, W. J. March 1, 1943, No. 3368. Convention date, March 2, 1942. [Class 40 (v)] A radio beacon system of the equi-signal type comprises two antennµ spaced apart and separately excited and arranged to transmit radiation in fixed radio-frequency phase relation, and means for periodically interrupting the transmission from one of said antennµ so that periods in which radiation is transmitted from one only of the two antennµ alternate with periods during 'which radiations from both antennµ combine to produce a field pattern having predetermined directional characteristics. In the arrangement shown in Fig. 1, two aerials A, B are used, one wave-length apart and in phase. A operates continuously, producing the circular field strength pattern A. B is keyed on and off according to a code. When both A and B operate, the field strength pattern is that indicated by A+B. The intersections of the field patterns define course directions such as 1. Deviations on opposite sides of the course are identified by the complementary codes received. In a modification, Fig. 4 (not shown), the arrangement is similar, but the phase separation of A and B is 120 degrees, this producing differently disposed equisignal courses.
Patent GB-126735-A (GB)
Title: Improvements in Carburetters for Internal Combustion Engines.
IPC: F02M7/18
Filed: 1917-03-08
Abstract: 126,735. Royce, F. H., and Rolls- Royce, Ltd. March 8, 1917. Lift valves.-A coned lift valve h for controlling the flow of fuel from the float chamber of a carburettor to a nozzle of the type described in Specifications 2752/12 and 10638/12, [both in Class 7 (iii), Internal-combustion engines, Carburetting- apparatus &c. for], has the initial or normal opening predetermined by a nut or washer of given thickness. The coned valve h controls the flow of fuel in the passage c, d between the float chamber a and the nozzle. The valve has a seating in a block g, is guided at h', and is provided with a spindle h<2> which extends through a cover e of the chamber b in which the valve is located. The spindle is loaded by a spring h<4> bearing on a collar h<3>, and is screw threaded to receive two nuts i, k, the nut i being flanged to bear against a sleeve f which is screw threaded over the cover e and is actuated by a lever l. The lever and sleeves are relatively adjustable through a clamp l<1>, and scale marks are provided to indicate the adjustment. The valve is first inserted to bear on its seat; the nut i is then screwed on the spindle until it just touches the sleeve f; the spindle is filed off flush with the top of the nut, and is then screwed through the nut i until the top of the spindle is flush with the, second nut k. The valve is then at the correct distance from its seat. The adjustment may be effected by three nuts, by two nuts and a washer, or even bv one nut if some other locking means be employed.
Patent GB-620973-A (GB)
Title: Masher for potatoes, fruits and the like
IPC: A47J19/04
Filed: 1947-02-05
Abstract: 620,973. Potato &c. mashers. ALLMEN, O. VON. Feb. 5, 1947, No. 3468. Convention date, Feb. 7, 1946. [Class 28(ii)] A potato &c. masher comprises a perforated cylinder 1 with open bottom containing a piston 2 vertically movable (by handle 10) therein to press the potatoes through the perforations 3. The piston and the closed top of the cylinder may also have perforations 4 and 5. A spring 9 enclosing the tube 7 helps to raise the piston. The handle 11 is first used to push the device repeatedly into the potatoes to break up the potatoes after which the handle 10 is used to extrude them through the perforations.
Patent GB-789990-A (GB)
Title: Method and apparatus for tire puncture repair
IPC: B29C73/08
Filed: 1955-02-07
Abstract: 789,990. Hand sewing-tools. GOODYEAR TIRE & RUBBER CO. Feb. 7, 1955 [July 12, 1954], No. 3536/55. Class 112 [Also in Group XXXIV] 'For plugging punctures in tubeless tyres (see Group XXXIV) a hand tool. Fig. 3, comprises a needle-like shank 4 which terminates in a tapered nose 5 which may be grooved to house lubricant or adhesive. A plug-engaging opening is provided, adjacent the nose 5, with a side entry to allow disengagement from the plug on withdrawal of the tool from a plugged puncture.
Patent GB-114026-A (GB)
Title: Improvements in the Manufacture of Fuel from Peat.
Inventor: GOODWIN WYCLIFFE
IPC: C10F5/06
Filed: 1917-03-15
Abstract: 114,026. Goodwin, W., and Macrae, A. March 15, 1917. Coking processes.-Crushed and dried peat is introduced into a retort, which is heated by electrical resistances arranged singly or in groups. The heat is controlled so as to drive off peat-tar which is collected by passing the products of distillation through scrubbers and condensers for removal of ammonia and collection of the tar. A pump maintains a vacuum in the retort if desired. After four hours heating, the hot peat is discharged through a door in the bottom of the retort to a gas-producer which converts the carbonized peat into carbonic oxide gas which may supply the gas engine driving the electrical plant and also a steam-generator which supplies steam to the gas-producer. The uncondensed gas from the drying process may be used for the same purposes.
Patent GB-653638-A (GB)
Title: Method of making gypsum board and like gypsum products and products of such process
IPC: C04B24/30
Filed: 1948-02-09
Abstract: Plaster board is manufactured by forming a slurry of calcined gypsum in water from 2 1/4 to 6 grams of an alkali-catalysed partial condensation product of urea and formaldehyde to each 10 lbs. of gypsum, and a foaming-agent, and shaping the slurry as required.  The total amount of foaming-agent and resin should not exceed 11 grams to 10 lbs. of gypsum.  The foaming-agent is preferably an alkaline earth metal salt of rosin acids or an aliphatic alcohol sulphate.
Patent GB-841734-A (GB)
Title: Improvements in or relating to mixtures of water-insoluble disazo dyestuffs
IPC: C09B45/24
Filed: 1958-02-05
Abstract: Viscose is dyed in the spinning-mass with a mixture of water-insoluble disazo dyestuffs which are prepared by coupling 1 mol of the tetrazo compound of a diamine of formula:- <FORM:0841734/IV(a)/1> wherein x is hydrogen, halogen, methyl, ethyl, methoxy, or ethoxy, with p mol(s) of a 2-hydroxy-3-naphthoic acid amide and q mols of a 1-aryl-5-pyrazolone wherein p \sB q = 2 and p + q, said amide and pyrazolone being free from watersolubilising groups (see Group IV(c)) and the mass extruded to give fibres which are dyed in bordeaux, blue or black shades.  In an Example 3:31-dimethoxy-benzidine is tetrazotised and coupled with a mixture of 2-hydroxy-3-naphthoic acid phenylamide and 1-phenyl-3-methyl-5-pyrazolone.  An aqueous paste of the resultant dyestuff mixture is added to an aqueous sodium cellulose xanthogenate solution, the mass is agitated, stood overnight, and then extruded into a sulphuric acid precipitating bath to give a deep blue filament.  The colours obtained with many similar dyestuff mixtures are specified.ALSO:Mixtures of water-insoluble disazo dyestuffs are prepared by coupling in alkaline medium 1 mol of the tetrazo compound of a diamino of formula:  <FORM:0841734/IV (c)/1> wherein x is hydrogen, halogen, methyl, ethyl, methoxy or ethoxy, with p mol(s) of a 2-hydroxy-3-naphthoic acid amide and q mol(s) of a 1-aryl-5-pyrazolone wherein p+q=2 and p\sBq, said amide and pyrazolone being free from water-solubilising groups.  The coupling may be carried out in one or two stages preferably in the presence of methanol and also pyridine.  When x is methoxy or ethoxy the mixture of dyes can be converted into the corresponding copper or nickel complexes by metalling with dealkylation.  The mixtures give bordeaux, blue and black shades when used in the spin-dyeing of viscose rayon (see Group IV(a), and may also be used to colour or dye paper, paints, lacquers, textiles and plastics.  Many examples are given and coupling components specified include 2-hydroxy-3-naphthoic acid phenyl-, (31-nitro)-phenyl-, (21-meth-oxy)-phenyl-, (21)-naphthyl-, propyl-, cyclohexyl-and benzyl-amides; 1-phenyl-, -(31-chloro)-phenyl-, -(21-nitro)-phenyl-, -(31-cyano)-phenyl-and-(11) -naphthyl-3-methyl-5-pryazolones, 1-phenyl-3-amino-5-pyrazolone and 1-phenyl-5-pyrazolone-3-carboxylic acid ethyl ester or -carboxylic acid phenylamide.
Patent GB-270793-A (GB)
Title: Improvements in signs
IPC: G09F13/16
Filed: 1926-03-22
Abstract: 270,793. Ionoff, L., and Hutchinson, W. V. March 22, 1926. Signs.-In signs &c. comprising independent symbols having a trough-like or channelled back which supports a raised channelled transparent front, illuminating means being disposed in the enclosed space and the back having an internal reflector, the front 8 is continuous in section across the channel, and the symbol has a substantially similar appearance whether viewed from the front or the rear. The front 8 and back 1 are flanged and are held together by bolts, which may also pass through a collar 10 shaped to the outline of the symbol. The front may be in one piece or built up of channelled portions. A trough-shaped reflector 4 may be fitted in the back, or the back may have an inner reflecting surface.