baber/WOPTO huggingface dataset:
Patent GB-716490-A (GB)
Title: Improvements in carton-forming apparatus
IPC: B31B17/00
Filed: 1951-03-29
Abstract: 716,490. Making cartons. WOOD, D., and ROSE CONTAINERS, Ltd. March 26, 1952 [March 29, 1951], No. 7266/51. Class 18 [Also in Group XXX] Carton bodies are carried in frusto-conical pockets of a chain conveyer past end inserting and securing devices. The carton bodies are produced on formers 23 of apparatus as described in Specification 457,063, [Group XXVIII]. and pushed by a stripper 26 into the pockets 11. Ends are inserted by a device 14 as described in Specification 716,489, and known apparatus 16-19 spins over the carton lower edge on to the end flange and folds over the upper edge of the cartons, consolidating the seams by expanding formers. The cartons are ejected by an element 37 having projections entering grooves 41 in the pockets and placed in spring carriers 38 of the conveyer of a waxing machine as described in Specification 716.491, [Group III].
Patent GB-369734-A (GB)
Title: Improvements in step grates having movable firebars
IPC: F23H7/06
Filed: 1931-03-10
Abstract: 369,734. Furnace grates. GœNTHER, E. F., 66, Thielallee, Dahlem, Berlin. March 10, 1931, No. 7364. Convention date, March 10, 1930. [Class 51 (i).] A step grate is formed of fire bars 1, 2 reciprocating in substantially vertical curved paths, adjacent bars moving in opposite directions so that the fuel is moved in vertically elongated loops. Each firebar has a curved rear portion 27 upon which the adjacent firebar below it slides, the uppermost firebar sliding on a fixed curved guide 25, 26 while a tilting plate 23 rests upon the curved portion of the lowermost firebar. The firebars are supported by plates 4 of the same width as the bars, pivoted at 3 and connected by linkwork 5 .. 12 to speedreducing gear 15 driven by a motor 16. The plates 4 divide the under-grate space into zones for separate air supply. The upper or working faces 28 of the firebars are troughshaped and are of larger area in the bars 1 than in the bars 2 so that more fuel is displaced by the bars 1 than is able to follow the bars 2. For discharging the ash &c. a tilting plate 21 is pivoted at 19 and actuated from the driving mechanism 15 by a link 18 and arm 20 so that it makes a number of oscillations during each reciprocation of the steps 1, 2.
Patent GB-307435-A (GB)
IPC: B41M5/10
Filed: 1929-03-07
Abstract: 307,435. Wagner, G., [Firm of]. March 7, 1928, [Convention date]. Carbon papers.-A composition for the manufacture of carbon papers consists of a solution in a volatile solvent of natural or artificial caoutchouc, guttapercha, balata, or their isomers, to which is added a colouring-matter, the solvent being evaporated off after the composition has been applied to the paper. Softening- agents such as diethylphthalate, tricresyl phosphate, oils, fats, or fatty acids, and vulcanizing agents or accelerators may be added. In examples, a pigment lake containing methyl violet blue is ground with a mineral oil, mineral wax, and a solution of caoutchouc in benzole; a pigment lake and mineral wax are ground with caoutchouc soaked in mineral oil; sulphur and diphenylguanidine or hexamethylene-tetramine are added to the ingredients of the second example, and vulcanization is effected by heating during application to the paper. The Specification as open to inspection under Sect. 91 (3) (a) refers also to the use, as a basis for the composition, of natural or artificial resins, esters, or the like. This subject-matter does not appear in the Specification as accepted.
Patent GB-1503533-A (GB)
Title: Valves
IPC: F16K7/16
Filed: 1975-02-21
Abstract: 1503533 Valves ALBANY HYDRONICS Ltd 19 Feb 1976 [21 Feb 1975] 7492/75 Heading F2V Flow through a valve (e.g. in central heating radiators) between an inlet 12 and outlet 13 is interruptable by a diaphragm 15 peripherally secured and provided with axial means 20 for moving the movable portion of the diaphragm against biasing means 23 to interrupt flow. As shown a spindle 20, shrunk into the diaphragm passes through an aperture in a plate 21 and carries a plate 24 and a spring 23. A stem 30 makes end contact with the spindle remote from the diaphragm and an adjusting cap 27. In Fig. 4 (not shown) an adjusting screw 41 is provided in lieu of the cap. In Figs. 2, 3 (not shown) a heat motor 35, sensitive to ambient temperature provides the adjustment.
Patent GB-257185-A (GB)
Title: Improvements relating to combined door springs and checks
IPC: E05F3/06
Filed: 1926-03-19
Abstract: 257,185. Newman & Sons, Ltd., W., and Newman, H. G. March 19, 1926. Operating doors by springs; checks.-In a combined floor spring and check the spindle 1 turned by the door is provided with a crank 7 and roller 18 engaging a cam slot or groove 17 in a slidable part 16 rigidly connected to the check plunger 13, the spindle also having a second roller 8 on an arm 6 to engage with a spring-pressed lever 9 for returning the door to its closed position. As shown, the levers 9 are pivotally mounted at 10 and are normally forced together by a ring-like spring 12. The plunger 13 is recessed to house a spring-pressed ball valve 25 which is moved from its seating to allow the check fluid to escape by the passage 24 when the pressure in the check cylinder is excessive, as when the door is closed forcibly by hand. When the door is being opened, oil is drawn into the check cylinder through the non-return ball valve 21, the discharge when the door is closing being regulated by an adjustable needle valve 22.
Patent GB-267978-A (GB)
Title: Safety valve
IPC: F16K17/32
Filed: 1927-03-21
Abstract: 267,978. Soc. Anon. des Forges et Chantiers de la MediterranÚe. March 20, 1926, [Convention date]. Safety valves. - A safety valve of the kind controlled by an auxiliary valve has the auxiliary valve provided with a piston subject to the pressure in a chamber having a restricted outlet to atmosphere and with a second piston subject to the inlet pressure and adapted to interrupt the supply of fluid pressure to the main actuating chamber. The main valve 4 which is adjustably loaded by a spring 10 co-operates with a seat 5<a> and is coupled to a piston 6 working in a chamber 7. The seat 13 for the auxiliary valve is held in position by the housing 17 for loading spring 22 and has ports 19 leading to the chamber 7 and ports 18 leading to a chamber 15 connected by a passage 16 with the inlet. In the event of excessive pressure arising the auxiliary valve is lifted against the action of the spring to cause the piston 20 to close the ports 18 and to open the valve 14 to connect the chamber 7 to atmosphere and so allow the inlet pressure beneath the piston to open the main valve. The valve 14 is fitted with a piston 26 of larger nrea open to atmosphere on its upper face and is arranged in a chamber 27 having a restricted communication with atmosphere through a port 25 to ensure a full lift of the auxiliary valve and consequential closing of the ports 18. The piston 20 is of larger area than the valve so that the valve is maintained in its raised position until the pressure has fallen below that at which the valve lifted.
Patent GB-203728-A (GB)
Title: Alloys
IPC: C21C7/00
Filed: 1922-03-17
Abstract: 203,728. Saltrick, W. R. March 17, 1922. Alloys. - Refined low-carbon and low-silicon alloys of iron with chromium or tungsten or both, including ferro-chrome, stainless or rustless steels or irons, and high-speed steels, are made by reducing in an electric or other furnace a charge containing a reducible compound, such as chromite, and a silicon-containing reducing-agent, with or without subsequent alloying of the product with iron, the alloy in either case being refined by further heating with refining-agents comprising a reducible oxygen-containing compound or one or more constituent metals of the alloy. The reducing-agent may include some aluminium. The furnace lining and the electrodes are such as not to add carbon to the alloy. The process may be carried out by reducing a charge comprising a silicon-containing reducing-agent, chromite, and a more readily reducible compound such as an oxide or ore of iron or other metal, an oxide of chromium, or a chromate, bichromate, or other salt, the chromite and the iron oxide &c. being employed in such excess as to produce an alloy low in carbon and silicon. Fluxes such as lime and fluorspar may be used. The refining operation may be effected by melting the impure alloy and the refining-agents together; or the refining-agents may be employed as constituents of a refining slag; or the molten impure alloy may be poured through a heated bed or column containing the reagents; or the reducible charge and the refining-agents may be contained in separate compartments of one furnace; and in some cases the refining-agents may be briquetted. A gaseous refining-blast may also be applied either before or after the refining-operations described above. Specifications 192,150, 201,589, 202,336, 202,664, and 203,357 are referred to.
Patent GB-116329-A (GB)
Title: Improvements in or relating to Internal Combustion or other Engines.
Inventor: GUINNESS KENELM EDWARD LEE
IPC: F16C9/04
Filed: 1917-06-01
Abstract: 116,329. Guinness, K. E. L., and Smith, C. M. June 1, 1917. Crank chambers.-Relates to internal-combustion or other engines of the type provided with a crank-pin embedded in a recess in the crank arm. The crank mayconsist of a disk B which fits in a circular.recess in the crank casing and forms a compression joint, and the connecting rod end G works on rollers F running on the crank-pin C between steel washers E, E', the parts being held together by the bolt D.
Patent GB-267985-A (GB)
Title: Process of dyeing mixed textile goods
IPC: D06P3/06
Filed: 1927-03-22
Abstract: 267,985. I. G. Farbenindustrie Akt.- Ges. March 22, 1926, [Convention date]. Azo dyes.--Wool and silk mixtures are dyed in even tints from a single bath by employing sulphonated monoazo or disazo dyestuffs containing a phenyl-pyrazolone nucleus and containing one or more alkyloxy, aryloxy, or aralkyloxy groups, which may be present either in the diazocomponent or in the coupling component or in both. In examples, the following dyestuffs are used, the dyebath being made up with crystallized sodium sulphate and acidified with sulphuric acid :-o - aminoanisol # 1 - 4<1> - sulphophenyl-3- methyl-5-pyrazolone and o-aminodiphenylether #1-4<1>-sulphophenyl-3-methyl-5-pyrazolone. The following dyestuffs are also specified :-3-amino-1- methyl-4-phenolbenzylether#1-4<1>-sulphophenyl- 3-methyl-5-pyrazolone; o-anilinesulphonic acid # 1-4-methoxyphenyl -13 - methyl-5-pyrazolone and p-aminodiphenylether-o-sulphonic acid#1- phenyl-3-methyl-5-pyrazolone. The dyestuff should not contain more acid groups than are necessary to render it soluble, and one of the components may contain a carboxylic ester group. Specifications 247,224 and 9968/10 are referred to. 3-Amino-1-methyl-4-phenolbenzylether is obtained by reduction of the nitro group of the product of interaction of 3-nitro-1-methyl-4- phenol with benzyl chloride in presence of an alkali.
Patent GB-456105-A (GB)
Title: Process and apparatus for cleaning producer gas or the like
IPC: C10K1/00
Filed: 1936-03-17
Abstract: 456,105. Gas purification. KRUPP AKT.-GES., F., Essen, Germany. March 17, 1936, No. 7983. Convention date, March 26, 1935. [Class 55 (ii)] Producer gas &c. is cleaned by first separating the dust from the gas and purifying the latter from sulphur, both at high temperatures, then cooling the gas indirectly or directly and finally submitting it to a fine mechanical cleaning by a filter. The gas is purified from sulphur by tablets of alkaline iron hydroxide to which soda may be added, and may be cooled directly by circulating a liquid removing ammonia and residual sulphur. Gas passes through a heatexchanger 2, through centrifugal separators 3, 4 each having a main and auxiliary separator, to the sulphur purifier 5, air cooler 6 and filters 7, 8 containing wood wool or fine wire cloth wetted with oil. Specification 236,743, [Class 55 (ii)], is referred to.
Patent GB-540899-A (GB)
Title: Improvements in cutters for mincing machines
IPC: B02C18/20
Filed: 1940-05-03
Abstract: 540,899. Mincing-machines. LIECHTI, A. May 3, 1940, No. 7999. Convention date, April 1. [Class 28 (ii)] In mincing-machines wherein the blades are detachably mounted on a cutter head 6 having a plurality of arms 7, a T-shaped knife blade 12 having a single cutting edge is secured against movement and in position in each arm of the head solely or mainly by clamping action in a straight transverse slot extending from face to face of the arm. The T- shaped blade when unmounted may, as shown in Fig. 4, be slightly arched in the direction of its two lugs. The blade 12 is filled with its narrow portion 9<SP>1</SP> in the transverse slot, and the wide part, formed with the cutting edge, bears against the face of the head. The slot may be inclined to the plane of rotation of the head; or, as shown in Fig. 5, the slot may be at right-angles to the plane of rotation and the blade additionally secured by a screw 13, the wide portion of the blade forming an obtuse angle with the narrow portion filled in the head.
Patent GB-112726-A (GB)
Title: An Improved Method of Operating Steam Engines and Steam Turbines and Means of carrying the Method into Effect.
Inventor: DAVEY HENRY
IPC: F22B1/26
Filed: 1917-06-05
Abstract: 112,726. Davey, H. June 5, 1917. Combustion - product engines.-In a plant comprising a multiplestage engine, gaseous or liquid fuel is burned in the closed furnace of a steam boiler at a pressure equal to the initial pressure of the low-pressure section of the steam engine and the products of combustion together with expanded steam are used in the low-pressure element. The steam from the boiler is heated in all the stages of expansion, and is finally superheated by the products of combustion. The combined air and fuel pump d supplies the furnace e, Fig. 3, and the products of combustion pass through superheaters f, g and mix with the exhaust from cylinder b prior to passing to cylinder c. The removal of steam and products of combustion from the cylinder c may be effected by means of a condenser and pumps, or as shown in Fig. 4. The exhaust first passes to a condenser i in the usual way, and then the exhaust valve is closed early in the stroke and the mixture remaining in the cylinder is forced through a feed-water heater k into the atmosphere. In the modification shown in Figs. 6 and 7, the products of combustion may be removed after being discharged with steam into a condenser p by means of a rotary air pump s driven by a turbine wheel r operated by the exhaust mixture. The initial exhaust passes through the wheel r until the valve X is opened.
Patent GB-434606-A (GB)
Title: Improvements in and relating to passenger road vehicles
IPC: B60K5/08
Filed: 1934-03-14
Abstract: 434,606. Omnibuses; spring-suspensions. LEYLAND MOTORS, Ltd., Richmond Road, Kingston-on-Thames, and BIGGAR, P. E., Motor Works, Hough Lane, Leyland, Lancashire. March 14, 1934, No. 8065. [Classes 108 (i) and 108 (ii)] [See also Group XXXI] A trolley bus or other passenger type road vehicle is characterized by (1) a chassis frame, Figs. 1 and 2, upon the sides of which separate engines or motors 1, comprising the whole power plant, are mounted and drive the rear wheel or wheels on each side independently, the wheels being mounted on dropped axles 6, and (2) a body, Fig. 12, mounted on the frame, with a central gangway 35 at or below the level of the axes of the rear wheels, extending at the same low level to a platform 36 beyond the front wheels, while the floor 37 on each side, on which the seats are mounted, is raised a step above the gangway. The motors 1, with series parallel control drive in known manner through cardan shafts 3 and worm or bevel gearing 4, Fig. 3, or through differentials to tandem rear wheels. The axle boxes 5, the lower halves of which may be removable with or without the gearing, are connected by a transverse I beam or axle 6 dropped in the centre to provide for the low gangway. The frame longitudinals 2 may be connected between tandem rear wheels by a cross member 8 carrying suspension springs 9 the ends of which are attached by pins 10 to the axle boxes 5, radius rods 11 being provided. If the longitudinals pass above the axles, as at 2a, Fig. 3, additional springs may be provided, secured at their centres to the longitudinals and at their ends to pins 12 carried under the axles. The front-end of the frame, projecting beyond the wheels sufficiently to accommodate a lifeguard tray 15, is formed on one side to allow of a front entrance 31 by attachment of a dropped extension 16 to the longitudinal 2 immediately beyond the front axle. The front wheels are preferably independently sprung being carried by parallel pivoted links and transverse springs or in place of transverse springs there may be provided torsion rods 22, Fig. 7, fixed at their rear ends to a cross frame member 23 and interconnected by arms 24 and linkwork or gearing, whilst arms at the front ends take the place of the lower links. In a further form, Fig. 10 (not shown), the wheels are carried on vertical pivot pins connected at their lower ends to the torsion arms or to the ends of a transverse spring or surrounded by helical springs The front entrance may be furnished with a folding door 31 controlled from the driver's seat 32. Front and rear staircases 33, 34 lead to an upper deck.
Patent GB-644214-A (GB)
Title: Improvements in agriculatural machines
Inventor: JOHNSON PHILIP HENRY
IPC: B62D49/06
Filed: 1948-03-18
Abstract: 644,214. Agricultural implements. ROADLESS TRACTION, Ltd. March 18; 1948, No. 8163. [Class 6(i)] An agricultural machine comprises a pair of steerable wheels 2, motor driven rear track units 5 and laterally spaced alternately operable plough bodies 13. As shown, the ploughs are connected by links 7 to a frame 9 supporting the wheels 2 and are each lifted by a lever 16. The front wheels are equipped with adhesion rings 2<SP>1</SP> and are laterally adjustable in frame 9. An additional implement or a trailer may be fitted to the rear of the machine. In a modification the ploughs are attached by links to the front of the housing 1 adjacent to the track units 5. -The machine may also have a single track unit at the rear, and the front wheels may be replaced by track units.
Patent GB-979522-A (GB)
Title: Production of a copolymer
IPC: C08F10/00
Filed: 1961-03-07
Abstract: A process for the production of a copolymer of ethylene and vinyl acetate comprises passing a mixture containing at least 7% of vinyl acetate and a catalytic quantity of oxygen and/or a peroxygen compound into an initial reaction zone in an elongated tubular reactor under a pressure of at least 15,000 psi and subsequently introducing at least one further catalytic quantity of oxygen and/or peroxygen compound (preferably diluted with monomer or hydrocarbon diluent) into the polymerizing mixture as it flows through the reactor, said positions of introduction of catalyst being so disposed along the reactor that the average temperature at all points at which polymerization is occurring is at least 200 DEG C. Preferably flow pulses are imparted to the reaction mixture whereby continuous operation with recovery of recycled monomers may be effected. Optional ingredients are chain transfer agents such as hydrocarbons or acetone. The products are of narrow molecular weight distribution. Specifications 816,110 and 891,903 are referred to.
Patent GB-565854-A (GB)
Title: Improvements in or relating to devices for diluting oil in the sumps of internal combustion engines
IPC: F01M5/04
Filed: 1943-05-26
Abstract: 565,854. Starting. SMITH & SONS (ENGLAND), Ltd., S. (formerly SMITH & SONS (MOTOR ACCESSORIES), Ltd., S.), and WATERFIELD, T. H. May 26, 1943, No. 8440. [Class 7 (v)] To facilitate starting, the oil in the engine sump is diluted by delivering a predetermined quantity of fuel from a storage chamber connected to a fuel supply. As shown, the storage chamber 10 is connected to the float chamber 12 of a carburetter by a fuel pipe 13 and an air pipe 14, the float chamber being supplied with fuel by a pump 9. A pipe 15 connected to the sump is connected by a two-way cock 16 with pipes 17, 18, one opening into the chamber 10 near the bottom and the other at a higher level, so that the whole or part of the fuel in the chamber can be supplied to the sump. The cock 16 may be actuated from a switch 19 in the ignition system or in the circuit of an electric fuel pump. Instead of a two-way cock, an adjustable time valve may control the amount of fuel supplied to the sump.
Patent GB-960686-A (GB)
Title: Means for closing the filling orifices of electric storage batteries
Inventor: GOLDINGAY CHARLES HENRY
IPC: H01M50/147
Filed: 1960-03-10
Abstract: 960,686. Batteries. JOSEPH LUCAS (INDUSTRIES) Ltd. June 7, 1961 [March 10, 1960], No. 8443/60. Heading H1B. A battery having a lid with an elongated recess 22 in which the cell filling holes 23 are formed has a separable cover piece 24 carrying baffles 25 to intercept acid spray, the cover and the recess co-operating to form a gas space. The baffles 25 are preferably resilient and bulbous and serve to retain the cover.
Patent GB-541363-A (GB)
Title: Improvements in or relating to cord-like ignition devices for explosive charges
IPC: C06C5/00
Filed: 1940-05-10
Abstract: 541,363. Blasting fuzes. IMPERIAL CHEMICAL INDUSTRIES, Ltd. (Ensign-Bickford Co.). May 10, 1940, No. 8457. [Class 9 (i)] A flexible cord-like ignition device comprises a readily combustible core made from a number of yarns 10 each coated with deflagrating powder 11 confined by a tape 13 of less combustible material spirally wound so as to leave a relatively narrow spiral flame escape area 13<SP>1</SP> running along the cord and a coating 16 of moisture-proof material destructible by the hot combustion gases. A light countering of textile yarns 15 is preferably provided to hold the tape 13 in place. The coating 11 may consist of mealed black powder with a nitrocellulose binder, the coating 16 of nitrocellulose and the tape 13 of paper or cloth. The device may be used in blasting for exploding a number of distant charges practically simultaneously or at predetermined time intervals by attaching appropriate lengths of safety fuse connected to the charges, at different points of the device.
Patent GB-744063-A (GB)
Title: New or improved feeding mechanism for coils of metal strip
IPC: B21C47/34
Filed: 1953-03-27
Abstract: 744,063. Uncoiling strip metal from reels. EVANS, F. A. March 26, 1954 [March 27, 1953], No. 8500/53. Class 83 (4). Means for feeding metal strip from a coil comprises an endless belt, driven by an electric motor, on which belt the coil rests, and means, controlled by the coil loop, adapted to switch the motor on or off to control the rate of feed of the strip. A coil 10 of metal strip is supported on the upper run of a slatted endless belt 12, driven by a sprocket 15, between adjustable side frames 23. Loop control means to prevent over-feeding of the strip comprises a switch 26, for a motor 22 driving the belt, controlled by a rockable member 27 having an upper cross-rod 29 formed with two transverse fingers 30, 31 between which the strip loop, or outermost turn, 32, passes. The strip may pass through straightening rolls 37, and driven feed rolls 38, controlled by a switch means 40 operated by variation in tension of the feed strip, to a machine for operating on the strip.
Patent GB-136435-A (GB)
Title: Improvements relating to Casement Window Fittings.
Inventor: SMITH HUBERT PARKIN
IPC: E05D15/48
Filed: 1919-04-04
Abstract: 136,435. Smith, H. P. April 4, 1919. Double hinges.-In casement windows of the kind described in Specification 3430/09, in which the window pivots on bars a hinged to plates c on the window and frame and in which the plate c has a hooked extension h which normally engages the pivot e in a socket j, cam-shaped lugs m are provided on the bars a and corresponding shoulders n on the plate c to position the hook h for correct engagement in the socket j.