baber/WOPTO huggingface dataset:
Patent GB-114076-A (GB)
Title: Improved Valve Gear for Internal Combustion Engines.
Inventor: HAAS WILLIAM HENERY
IPC: F01L5/04
Filed: 1917-06-13
Abstract: 114,076. Haas, W. H., and McAlexander, T. June 13, 1917. Valves; valve-gear.-In a four-stroke-cycle engine inlet and exhaust ports are controlled separately by a pair of piston valves which reciprocate in chambers open permanently to the combustion space, the valves being actuated by cams, one 22 of which is shown in Fig. 1, and pivoted arms 19 upon which the valve stems bear.
Patent GB-1582905-A (GB)
Title: Method of forming a continuous fibre layer
IPC: D04H1/736
Filed: 1978-03-03
Abstract: A moving air-permeable, but fibre-precipitating surface intersects a fibre-laden airstream which is guided through it and which, after passing through the surface, enters a suction slit extending transversely relative to the direction of transport. The position of the suction slit is adjusted forwards or backwards in dependence on a measurement quantity representing the thickness of the lap formed, so that a uniform lap web is produced. The apparatus for carrying out the process consists of a screening drum accommodated in the housing. A conduit connected to the housing conveys into the annular channel present between the housing and drum a fibre/air mixture, the air of which escapes through a cover located in the screening drum and having a slit. The deposited lap web is drawn off by a pair of rollers. The abovementioned process for operating the apparatus described makes it possible to keep the desired value of the density or weight per unit length of the lap web to be produced constant both in the short term and in the long term. <IMAGE>
Patent GB-929904-A (GB)
Title: Improvements in or relating to devices for the suspension of gramophone records for storage purposes
IPC: B42F15/00
Filed: 1961-03-08
Abstract: 929,904. Suspension filing systems. K. A. MERTEN, and J. KIND. March 8, 1961 [June 29, 1960], No. 8561/61. Class 146 (1). [Also in Group XXV] A gramophone record envelope 23 is suspended in a cabinet by means of a hanger 16 adapted to releasably engage one or both of the outer surfaces of the envelope. The hanger is provided with two spring arms 21, 22 bent back on themselves to grip the envelope therebetween or with two springy limbs 26 which may be spread apart. In another embodiment the hanger is formed with one or two suction cups at its lower edge. The hanger is carried by two parallel rails 13, having downturned ends 12, which engage apertures in brackets 6 screwed to the opposite side walls of the cabinet, as described in. Specification 929,903.
Patent GB-1153332-A (GB)
Title: Improvements in or relating to Air Pressure Operated Braking Apparatus for Motor Vehicles.
Inventor: FARMERY GEORGE KENNETH
IPC: B60T13/58
Filed: 1965-03-01
Abstract: 1,153,332. Air brake system. CLAYTON DEWANDRE CO. Ltd. 1 June, 1966 [1 March, 1965], No. 8595/65. Heading F2F. An air pressure operated braking system including a two-section actuator having separate compressed air supplies to the primary (5) and secondary (6) sections of that actuator under the control of a dual brake valve 4 is characterized by the brake valve 4 rendering the supply to one of the sections operative only after a predetermined pressure has been established in the supply to the other section. The valve 4 may be that described in Specification 1,010,942 with a heavier spring loading on the lower valve member to prevent the latter, which controls the supply to port 6, being actuated until a predetermined pressure acts on the piston controlling that member. If a pressure differential of 20 p.s.i. is chosen the service line section only is used for light braking. The actuator may have three diaphragms 8, 10 and 9, the space between the latter two being vented at 11 to atmosphere, and actuates a tandem master cylinder 14. Alternatively, an actuator having both a piston and a diaphragm may be used.
Patent GB-357504-A (GB)
Title: Improvements in or relating to electric storage cells and batteries
IPC: H01M2/00
Filed: 1930-03-18
Abstract: 357,504. Galvanic batteries. POLLOCK, S. A., Little Bush House, Kingsbury, London. March 18, 1930, No. 8724. [Class 53.] Electrodes; separators; cells; cases; gas exits.-An accumulator plate consists of a lead sheet corrugated in two directions which may be at right-angles. The corrugations may be of such depth that sufficient electrolyte for the working of the accumulator is retained between the plates and separators, and the corrugations in one direction are preferably shallower than the others. The Figure shows an accumulator provided with plates as described above. Each plate is provided with a connecting tag 15 and the plates of each set are joined together by means of interleaving lead strips 16, all the tags and strips being fused together by a blowpipe. Each set of plates is then secured to a bus-bar 18 which consists of lead antimony alloy surrounding a bronze strap 20 carrying two terminal bolts 19. The bus-bar is of channel section and has a hole 22, concentric with a hole 21 in the strap 20, and a tubular projection 23 forming a gas exit. Instead of the strips 16 being used for connecting the plates together, the tags 15 may be bent over and fused together directly. The plates are enclosed in separating sheaths which may be made of nitrated cellulose paper and the whole is enclosed in two cases, an inner sealed case 31 of lead and an outer steel case 30. The plates are formed in a solution containing 10 per cent sulphuric acid and from ¢-1 per cent of potassium chlorate. In order to clean the plates before forming they are subjected to an electrolytic treatment in dilute sulphuric acid, the current being reversed every fifteen minutes. According to the Provisional Specification the plates may be corrugated in one direction only and they may also be perforated. Specifications 357,505, 357,506 and 357,507 are referred to.
Patent GB-911391-A (GB)
Title: Improvements in or relating to food mixers
IPC: A47J43/044
Filed: 1960-03-11
Abstract: 911,391. Mixing-appliances. GSCHWEND, R., and SPINGLER, W. March 11, 1960 [March 11, 1959], No. 8762/60. Class 86. A hand-held electric domestic mixer has a stirrer shaft 1 rotatable in a sinter bearing 3 supplied with grease 4 and sealed by an elastic ring 5 of circular cross-section. The sealing ring 5 is retained by a lip 7 of an adjustable protective hood 6. The stirrer (not shown) is detachably mounted on the shaft 1
Patent GB-366780-A (GB)
Title: Improvements in or relating to securing means for lever lids of tins and like containers
IPC: B65D45/32
Filed: 1931-03-23
Abstract: 366,780. Closures for tins &c. ROBINSON, F. G., Canister Works, Southcoates Lane, Hull. March 23, 1931, No. 8819. [Class 125 (iii).] Securing means for lids of lever lid tins &c., in which said lid has a central depressed portion surrounded by an upstanding rim, comprises a channel-shaped ring adapted to fit over said rim, and be secured under the flange of the tin by soldering or otherwise. The ring 1 may be split, in which case the ends may be locked or soldered together, or may be in sections, and may be weakened at one part and provided with a tag to facilitate removal. The flange 1 of the ring may be turned up to take a circumferential wire 7 which is tightened to draw the flange under the edge of the tin; the flange may be partly cut away as shown in Fig. 5. A packing ring 8 of rubber &c. may be used. A removable plug for insertion of the contents may be provided in the bottom.
Patent GB-1533160-A (GB)
Title: Transport device for and a method of supplying a synthetic filamentary strand to a spinning can
IPC: B65H54/76
Filed: 1976-03-05
Abstract: 1533160 Depositing strand in cans BARMAG BARMER MASCHINENFABRIK AG 5 March 1976 [7 March 1975 9 Sept 1975] 08888/76 Heading D1F A strand 2 which is travelling at over 1000 m/min enters rotating guide tube 1 and is deposited by it in can 11 in the form of helical windings. The entrance to the guide tube is on or substantially on the rotational axis 14 of the tube. The tube is curved in both the vertical and horizontal planes. The tangent to the guide tube at its exit is at an angle #=30 to 80‹ to a radial line drawn to the exit from the rotational axis. The radius of curvature # of the guide tube at its outlet is given by wherein r is the distance between the exit and the rotational axis and Á is the coefficient of friction between the strand and the guide tube, substantially all of the kinetic energy of the strand is thereby lost before the strand leaves the guide tube. Preferably the tangent to the guide tube at its exit is inclined downwards at an angle of 5 to 30‹. The can 11 is reciprocated at 1 or rotated to facilitate uniform deposition of the strand. In the embodiment of Fig. 3 the guide tube 1 is arranged within a rotor 18 comprising two truncated cones with their bases touching. An annular nozzle 5 located just above the plane at which the two cones touch directs a stream of air downwards to reduce the air resistance experienced by the strand as it is laid in the can 1 and to avoid generating a low pressure region under the helix. A cage 6 of bars 15 is provided to limit the diameter of the strand helix during the start up of the strand feed. The cage may take the form of a truncated cone of bars or a solid-walled tube. In the embodiment of Fig. 5 the rotor has three inwardly inclined ducts 21, 22, (23, Fig. 6, not shown) which open into a duct 24 which is coaxial to the rotational axis and also extend to an annular nozzle 5. Air is blown in the directions shown.
Patent GB-251951-A (GB)
Title: Improvements in sealing metal in or to glass
IPC: C03C27/02
Filed: 1926-04-01
Abstract: 251,951. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. May 11, 1925, [Convention date]. Vacuum tubes.-An alloy to be used for sealing in or to glass consists of iron, chromium, and aluminium. Generally, the proportion of aluminium does not exceed 5 per cent, and may be less than 1 per cent. A suitable composition consists of 25 per cent of chromium, 0.5 per cent of aluminium, and the remainder of iron, but the exact composition will vary according to the kind of glass used. The alloy can be used for fixing the electrodes and other metal parts of discharge tubes to glass, and also for sealing rods, wires, plates, &c., in or to glass.
Patent GB-477385-A (GB)
Title: Improvements in processes for preparing photomechanical printing plates
IPC: B41M1/18
Filed: 1936-03-26
Abstract: 477,385. Photo-mechanical printing- surfaces. MATUSCHKE, W. March 26, 1936, No. 8988. [Class 98 (ii)] Plates for multicolour printing are prepared by making a set of colour separation negatives from an original, making corrected positive prints from these, making screened negatives from the positives, printing these negatives onto metal plates having light-sensitive colloid layers and etching the metal plates to a greater depth than usual without using an acid resisting varnish to protect the parts not to be etched. The plates are suitable for printing with solutions of organic dyes in organic solvents or with suspensions of organic or mineral pigments or lamp black. The positive prints are preferably made on white paper, alteration of tone value being effected by changes in exposure or development, and may be enlarged or reduced at this stage. The plates which may be of zinc or copper, are etched to a depth one and a half times the usual depth.
Patent GB-344678-A (GB)
Title: Improvements in or relating to folding boats, pontoons, and other similar floating structures
IPC: B63B7/06
Filed: 1930-03-20
Abstract: 344,678. Collapsable boats and pontoons. STRAUSSLER, N., 45, Pall Mall, London. March 20, 1930, No. 8999. [Classes 113 (i) and 113 (ii).] Collapsable boats and pontoons in which the sides B, C fold flat on the bottom A, are held in the extended position by one or more pairs of struts H which are hinged on the fore and aft line to a sliding piece K, the outer ends of the struts being secured to the sides by means of a universal joint comprising a pivot pin M mounted in the side and connected to the strut through a pivoted stirrup. When the boat is collapsed the struts H of each pair lie side by side flat on the floor. A top member for securing the struts in the extended position comprises a catch P pivoted at Q and designed to allow the strut to pass underneath the outer end of the catch, being controlled by a spring R beneath the operating pedal S. The joints between the sides of the bottom comprise strips P, E, Fig. 8, stitched at the junction of the side and bottom with or without the interposition of the additional packing U.
Patent GB-576022-A (GB)
Title: Improvements relating to the production of synthetic resins
IPC: C08F16/00
Filed: 1943-06-04
Abstract: Synthetic resins are prepared by copolymerizing a 2-halogeno-allyl alcohol or a 2-halogeno-allyl ester of a monobasic acid (not containing an ethylenic linkage) with an organic compound containing an ethylenic linkage conjugated with another double bond, viz: an ethylenic or a carbonylic linkage. Preferably, this compound is itself polymerizable.  Specified compounds are: 1.3-butadiene, 2-chloro-3-butadiene, styrene, acrylic, a -methacrylic, a -ethacrylic, a -chloro-acrylic and other a -substituted acrylic acids and esters thereof, and maleic anhydride.  More than one allyl compound and more than one of the conjugated compounds or both may be employed.  The copolymers may be prepared by heating in the presence of a peroxide catalyst. Examples are given of the preparation of copolymers from 2-chloro-allyl alcohol and (1) methyl a -methacrylate; (2) styrene; (3) a -methacrylic acid; (4) n-butyl a -methacrylate; and (5) methyl acrylate; copolymers from 2-chloro-allyl chloride and (1) a -methacrylic acid; (2) methyl a -methacrylate; (3) methyl acrylate; (4) n-butyl a -methacrylate; and (5) styrene; and copolymers from 2-chloro-allyl acetate and (1) acrylic acid; (2) methyl acrylate; (3) methyl a -metharylate; (4) styrene; and (5) maleic anhydride.  Specification 576,021 is referred to.
Patent GB-706117-A (GB)
Title: Improvements in or relating to new organic esters
IPC: C08K5/10
Filed: 1951-04-18
Abstract: Cellulose derivatives are plasticized with diglycollic acid di-esters of phenolic etheralcohols, obtainable by direct esterification of the acid with one or more of the ether-alcohols from the reaction between (a) 1 mol. of cresol and 1 or 2 mols. of ethylene oxide or (b) 1 mol. of phenol and either 2-4 mols. of ethylene oxide or 1-2 mols. of propylene oxide or this with ethylene oxide to give a product containing together 2-4 mols. of alkylene oxide.  In examples, cellulose acetate film is plasticized in solution with phenoxy ethoxy ethanol-di-glycollic ester, phenoxy triethoxy ethanol diglycollic ester, mixed cresoxyethanol diglycollic esters, and phenoxy propanol diglycollic ester in proportions of 1 of plasticizer to 2 or 4 of cellulose acetate in a mixed solvent; ethyl cellulose, cellulose acetate-butyrate and cellulose nitrate films are similarly prepared; a cellulose acetate moulding is plasticized with one of the above products.  Other ingredients may be included.  Solvents specified include methyl ethyl ketone, dioxane, ethyl acetate, acetone, cyclohexanone and ethyl lactate.ALSO:The invention comprises diglycollic acid di-esters of phenolic ether-alcohols, obtainable by direct esterification of the acid with one or a mixture of two of the ether alcohols from the reaction between 1 mol. of cresol and 1-2 mols. of ethylene oxide, or the reaction between 1 mol. of phenol and 2-4 mols. of ethylene oxide, or 1-2 mols. of propylene oxide or 1-2 mols. of the latter with sufficient ethylene oxide to give a product containing 2-4 mols. of alkylene oxide together.  Other methods of converting to the esters, which may be mixed, may be used.  In examples the esterification of diglycollic acid with the following ether-alcohols is described:-phenoxy ethoxy ethanol, phenoxypropanol, mixed cresoxyethanols and phenoxy tri (ethoxy) ethanol; other ether-alcohols specified in combination with diglycollic acid are cresoxy ethoxy ethanol, and phenoxy-di-(ethoxy) propanols.  The products are plasticizers for cellulose derivatives.
Patent GB-454019-A (GB)
Title: Improvements in or relating to furnaces
Filed: 1935-03-22
Abstract: 454,019. Refuse-consuming furnaces. WITHERS, J. S., 51, Chancery Lane, London.- (Penning, C. J. H.; Mandya, Mysore State, India) March 22, 1935, No. 9050. [Class 51 (i)] In a furnace adapted for the disposal of molasses, the molasses is introduced into a combustion chamber behind the firebridge and burnt with an additional supply of air and means is provided to permit the removal of the slag and coked residues deposited on the bottom of the chamber. The invention is shown applied to a furnace in which bagasse or other fuel is burnt on a pair of independently fired grates each comprising inclined bars 7 and horizontal bars 8. The combustion products pass through a secondary combustion chamber 6 and through an outlet 23 to a boiler. Molasses is introduced with air through the roof of the furnace, passes through the combustion gases and is coked and burnt on the floor 29 of the chamber. Additional air is supplied through a door controlled opening 33 from a hollow firebridge 5. The bottom of the chamber has inclined surfaces 29 which direct the slag into a channel 30 from which it is periodically withdrawn. The molasses is fed' to each roof opening 9 from a tank 12 which supplies a feeder pipe 10 having a nozzle 19 projecting into a pipe 16 arranged centrally within the lining 15 of the opening 9 and having serrations 22 at its lower end. Air is admitted to the pipe 16 and also the annular space between the pipe and the lining 15, vanes 18 giving the air a rotary motion.
Patent GB-612007-A (GB)
Title: Improvements in and relating to television apparatus
IPC: H04N3/18
Filed: 1945-04-13
Abstract: 612,007. Converting. BRITISH THOMSONHOUSTON CO., Ltd. (General Electric Co.). April 13, 1945, No. 9239. [Class 38 (ii)] A high voltage supply generator for the cathode-ray tube of a television receiver comprises a valve having in its anode circuit an air-cored auto-transformer which is excited to produce a high voltage surge by a pulse which is developed from the retrace portion of the sweep wave of the cathode-ray tube and is applied to the control grid of the valve, the high voltage surge being rectified to develop a high unidirectional voltage. The saw-tooth  deflecting current flowing through horizontal deflecting coils 15 produces a negative voltage pulse during the fly-back interval which cuts off the current in valve 23 and thereby produces an oscillatory surge. in auto-transformer 22 which is tuned to a high frequency by means of the spray capacities associated therewith. Upon the termination of the negative pulse, current flows in the valve 23, thereby damping the coil 22 and suppressing the oscillations generated therein during the fly-back interval. The output from auto-transformer 22 is rectified by diode 31 and applied to the anode 14 of the cathode-ray tube which comprises an annular metallic coating on the inner surface of the tube. The condenser 33 of the smoothing circuit may be the conductor-to-shield capacity of the cable by which the high voltage is applied to the cathode-ray tube. Heating current for the cathode of diode 31 is derived from a coil 38 coupled to the coil 22.
Patent GB-951431-A (GB)
Title: Pyrimidine derivatives and the manufacture thereof
IPC: C07D239/58
Filed: 1959-03-17
Abstract: The invention comprises:  (1) 5-phenylthiopyrimidines of the general formula: <FORM:0951431/C2/1> wherein A2 represents a phenyl group optionally carrying 1-3 halogen, amino or C1-4 alkyl substituents, W represents a hydrogen or halogen (other than fluorine) atom, a hydroxy, mercapto or amino group, or a non-aromatic secondary or tertiary amino group having 1-8 carbon atoms, X represents a hydroxy group or a halogen atom other than fluorine, or (when W=H, OH or SH) an amino group, and Z represents a hydrogen atom or a C1-4 alkyl group; (2) the preparation of the compounds of (1) by (a) heating a compound of the general formula: <FORM:0951431/C2/2> (wherein Y represents a reactive substituent) with a benzenethiol HS-Ar in the presence of an acid-binding agent, or (b) reacting a compound of the general formula: <FORM:0951431/C2/3> (wherein A and B represent alkoxy groups) with an N1, N1 1-unsubstituted guanidine or with thiourea; (3) the combination of process (b) with the preparation of the starting material by treating a compound of the general formula: <FORM:0951431/C2/4> with an alkylating agent corresponding to B; and (4) the preparation of compounds (1) wherein X=NH2 and W=Z=H by reacting a nitrile NC.CH2.SAr with formamide. Reference is also made to the replacement of X=OH and/or W=OH and/or W=Cl by X=Cl by the action of phosphorus oxychloride, of X=Cl by X=NH2 by the action of alcoholic ammonia, and of W=SH by W=H by the action of Raney nickel, and to the formation of some 4, 41-dichlorodiphenyl disulphide as a bye-product in the production of 4-amino-S-p-chlorophenylthio-pyrimidine by the process of (4).  Ethyl 2-(4-chlorophenylthio)-formylacetate, of the formula HCOCH(COOC2H5) SC6H4Cl(p), is prepared by refluxing ethyl 4-chlorophenyl-thioacetate with ethyl formate in a solution of sodium ethoxide in absolute ethanol.  The second Provisional Specification comprises also part of the subject-matter of Specification 951,432.
Patent GB-1186967-A (GB)
Title: Lifting Mechanisms
Inventor: METCALF JOHN EDWARD
IPC: B66D5/32
Filed: 1968-02-27
Abstract: 1,186,967. Winches; self-sustaining devices. J. E. METCALF. 11 Feb., 1969 [27 Feb., 1968], No. 9530/68. Heading B8B. A self-sustaining device on a hoist comprises a spragging gear 6 mounted on a plate 3 which is rotatable by frictional engagement with a drive sprocket 2, the gear 6 which is in constant mesh with the sprocket 2 being brought into mesh with a driven sprocket 5 to lock both sprockets when the latter rotate in the loadlowering direction. The plate 3 is freely rotatable on the shaft of sprocket 2 but is urged into frictional grip with the side of the sprocket by a coil spring on the shaft. With lifting of a load on a chain 8 depending from the driven sprocket shaft, the plate 3 is rotated into abutment with a stop 13, whereupon the spragging gear 6 is out of engagement with the driven sprocket 5. For lowering a load, a collar 11 is movable into alignment with the plate 3 to prevent it from moving into the spragging position when the sprockets are rotated in the load lowering direction. The collar 11 is spring biased into its inoperative position so that normally the selfsustaining device is operative. In the embodiment shown, the drive sprocket 2 is rotated by a handle 1 which is pivoted about a radial pin on the sprocket shaft such that the handle may be pivoted towards the hoist to move the collar 11 against spring bias into engagement with the plate 3. In another embodiment, the handle is replaced by a power device.