baber/WOPTO huggingface dataset:
Patent GB-161991-A (GB)
Title: Improvements in carburettors for aero engines
IPC: F02M7/10
Filed: 1917-09-24
Abstract: 161,991. Fowler, H., and Bird, A. L. Sept. 24, 1917. Fluids, regulating volume of flow or pressure of.-In carburettors for aeronautical engines, a viscous stream-line flow of the fuel is caused to take place between the fuel chamber and the spraying orifice, the flow in such a case being proportional to the head producing the flow. One method of effecting this consists in connecting the spraying orifice with the fuel chamber by a fine bore helical tube. In another method shown in Fig. 2, the fuel, in order to reach a nozzle I from the float chamber E, has to pass through a very narrow annular channel N<1> formed between two concentric cylinders M, N. The length of the annular channel may be adjusted by a. threaded extension O of the cylinder M. The viscosity of the fuel may be increased by exposing the fuel passages to the stream of air outside the aeroplane.
Patent GB-347737-A (GB)
Title: Improvements in phenolic resinous products and compositions containing them
IPC: C08G8/28
Filed: 1930-01-28
Abstract: A synthetic resin is made by heating a methylene-containing agent such as formaldehyde, acetaldehyde, hexamethylene-tetramine, or furfural with a hydroxy-derivative of a poly-aryl compound of the type in which two aryl rings are directly united, union being effected between a single carbon atom of each ring, as for example in the hydroxydiphenyls.  The resin may also contain a fatty oil, such as tung oil.  Catalysts such as sodium carbonate or hydrochloric acid may be used.  Varnishes are formed by dissolving the resins in solvents such as petroleum or turpentine.  Driers, novolaks, and natural resins such as rosin, colophony, copal, elemi, or mastic may be added. Specification 295,442, [Class 2 (iii), Dyes &c.], is referred to.ALSO:Phenol - aldehyde condensation products.-A synthetic resin is made by heating a methylene-containing agent such as formaldehyde, acetaldehyde, hexamethylene-tetramine, or furfural with a hydroxy-derivative of a poly-aryl compound of the type in which two aryl rings are directly united, union being effected between a single carbon atom of each ring, as for example in the hydroxy-diphenyls. The resin may also contain a fatty oil, such as tung oil, and novolaks or natural resins such as rosin, colophony, copal, elemi or mastic.  Catalysts such as sodium carbonate or hydrochloric acid may be used.  Specification 295,442, [Class 2 (iii), Dyes &c.], is referred to.
Patent GB-545948-A (GB)
Title: Improvements in flash lamps
IPC: F21K5/08
Filed: 1941-03-04
Abstract: 545,948. Flash-lamp filaments. BRITISH THOMSON-HOUSTON CO., Ltd. March 4, 1941, No. 2925. Convention date, March 6, 1940. Drawings to Specification. [Class 9 (ii)] [Also in Group XXII] A flash-lamp of the kind in which a combustible material is adapted to be ignited in a sealed envelope containing a combustionsupporting gas, has for the combustible material filamentary strips cut from rolled foil and distributed loosely through the envelope. Commercial rolled foils of aluminium, magnesium or the like, of one mil or less in thickness and of six to twelve inches in width, are used and filamentary strips are secured transversely of the foil so that the cross-section area of each strip is of the order of 1¢ square mils or less. Specifications 538,676, 540,846, 541,699 and 546,189 are referred to.
Patent GB-775912-A (GB)
Title: Isomerisation of maleic acid to fumaric acid
IPC: C07C51/353
Filed: 1955-02-01
Abstract: Fumaric acid of pale colour is obtained by heating an aqueous solution of maleic acid containing colour imparting impurities in the presence of an inorganic isomerization catalyst, nitric acid being present during the isomerization in addition to the isomerization catalyst.  The isomerization catalyst, e.g. hydrochloric acid, can be added to the maleic acid solution at any time, either prior to or simultaneously with the addition of the nitric acid.  The maleic acid solution should preferably contain 50 to 80 per cent, e.g. 55 to 75 per cent, by weight of maleic acid.  When the crude maleic acid solution is unusually impure the quality of the fumaric acid obtained therefrom can be improved by first concentrating a more dilute maleic acid solution in the presence of nitric acid and using the resulting solution in the isomerization step in the presence of nitric acid. Also when very dark-coloured maleic acid solutions are used they may be heated with activated carbon prior to the concentration step in the presence of nitric acid.  The isomerization process is preferably carried out by adding hydrochloric acid to the maleic acid solution heated to about 65 DEG C. and the resulting solution is maintained under reflux conditions while nitric acid is slowly and continuously added.  The total quantity of nitric acid added during the isomerization is preferably from about 0.2 to 2 per cent by weight of nitric acid based on the weight of maleic acid originally present. Instead of hydrochloric acid hydrogen chloride gas may be used.  The reflux temperature is generally between 105 DEG  and 120 DEG C. at atmospheric pressure, but if the process is carried out at pressures above atmospheric pressure, higher reaction temperatures, e.g. 125 DEG  to 200 DEG C., may be employed.  Examples are given in which hydrochloric acid, hydrogen chloride, hydrobromic acid and iodine respectively are used as isomerization catalysts.  Other isomerization catalysts specified are bromine, sulphuric acid and sodium bromide.
Patent GB-1044066-A (GB)
Title: Level set copper wire bar
IPC: C22B15/00
Filed: 1963-06-21
Abstract: A level set copper bar, made by the melting method of Specification 1,044,063 contains from 0.01 to 0.035% oxygen and from a trace to 0.0007% each of iron and sulphur.
Patent GB-422599-A (GB)
Title: A piston casting machine
IPC: B22D15/02
Filed: 1934-01-29
Abstract: 422,599. Casting pistons. FLAMMANG, J., 364, Mission Court, University City, and BOWSER, P. L., 6111, Plymouth Avenue, St. Louis, both in Missouri, U.S.A. Jan. 29, 1934, No. 2992. [Class 83 (i)] Moulds; cores; castings, extracting.- A piston-casting apparatus has mould parts 18, Fig. 3, which are arranged to slide on a base 12, through which a collapsable core 11 projects, and are moved, to loosen them from the casting, before they are separated to allow the casting to be removed. After the molten metal has been poured through a gate 20 a handle 46, Fig. 1, is moved down to admit fluid below pistons 3 and raise the base 9, which carries with it the mould 18 and core parts 11, while an inner core part 14, mounted on a fixed but adjustable rod 13, is withdrawn. Arms 47 of the mould parts are separated slightly by engaging cam faces 48 on fixed rods 33, 49. Then the stem 34 of a valve 32, connected to the base 12, engages an adjustable stop 50 and is moved, against the action of a spring 41, to cause piston rods 310 to advance and, acting through rods 27, 17, Figs. 2 and 3, separate the core parts 11 from the cast piston bosses. A chain 50<1>, Fig. 1, then pulls the handle 46 into neutral position so that the base 12 is arrested in its raised position. Handles 25 are then operated to move the mould parts 18 along slides 23, away from the casting, so that this can be lifted off the core. The mould is then closed and the handle 46 raised, the parts returning to their original positions. In a modification the core comprises two parts 51, Fig. 7, in addition to the inner part 14 and when this is removed the parts 51 are moved towards one another by handles 53 and rods 52. In a further modification the parts 51 may each be divided and be connected to the rods 52 by equalizing links.
Patent GB-710200-A (GB)
Title: Improvements in or relating to selectors for tele-communication installations
IPC: H01H67/06
Filed: 1952-02-05
Abstract: 710,200. Automatic exchange switches. SIEMENS & HALSKE AKT.-GES. Feb. 5, 1952. [Feb. 5, 1951], No. 3064/52. Class 40 (4) In a rotary switch, the speech wipers a1, b1, a2, b2 are held clear of the bank contacts during the rotation of the switch and are pressed against them when it stops, due to the energization of a magnet coil which lies along the axis of the switch so that the coil core forms the fixed shaft 12 about which the wiper carrier 19, 20 rotates. The magnet armature A1 is rigidly secured by means of bridge members 30 to the speech wipers which are resiliently mounted on the wiper carrier by means of leaf springs which tend to pull the tips of the speech wipers inwards away from the contact bank. At each end of the magnet coil is a pole disc 13 of greater diameter than slip rings 18 which are embedded in an insulating tube surrounding the magnet coil and serve to feed current to the inner ends of the wipers, with which they are in continuous sliding contact. Several groups of wipers may be operated by a single common magnet coil or by individual magnet coils with a common core 12. The contact bank comprises metal strips 7 wound on insulating carriers 6. The switch shown is driven by a step-by-step electric motor of known type comprising two mutually perpendicular electromagnets and a rotating armature which acts upon a driving wheel 11 through a pinion.
Patent GB-791462-A (GB)
Title: Apparatus for determining the location of p or n zones in semiconductor bodies and method of orienting such bodies
IPC: H01L21/18
Filed: 1956-01-31
Abstract: 791,462. Counting-apparatus. WESTERN ELECTRIC CO., Inc. Jan. 31, 1956 [Feb. 4, 1955], No. 3065/56. Class 106 (1). [Also in Group XXXVI] Apparatus for counting a series of electrical pulses comprises three rotary stepping switches S1-S3 (Fig. 17), each pulse passing through a stepping coil 76 to advance the first rotary switch S by one step, the tenth pulse producing energization of an auxiliary relay R1 which energizes stepping coil 78 to advance the second rotary switch S2 by one step, and also produces energization of reset coil 77 of switch S1, whereby its contacts are returned by a spring to its zero position. Similarly, when the contacts of S2 reach the tenth position it steps S3 on, and is itself reset to zero. The total count may be cleared by applying a pulse to reset terminal 84. External apparatus is connected to terminals of the stepping switches S1-S3 so that at a predetermined count additional control circuits are energized. To determine the count, resistors of equal value are connected to the contacts M of switch S1, and resistors of ten times the value connected to the contacts Q of S2, the total resistance between terminals 88 and earth being measured by passing a constant current through this resistance R (Fig. 18) and measuring the potential drop across it on a valve voltmeter 92. Specifications 727,678, 748,414 and 789,712, [all in Group XXXVI], are referred to.
Patent GB-674654-A (GB)
Title: Improvements in or relating to folding tables and like articles
IPC: A47C4/20
Filed: 1950-02-07
Abstract: 674,654. Folding tables and stands. EDWARDS, R. S. Dec. 8, 1950. [Feb. 7, 1950] No. 3080/50. Class 52 (iii). Tray-like top members 1, 2 hinged together to form a case when folded, receive foldable legs 4 of U-shape with upwardly bowed parts 6, the upper ends of the legs pivoted on plates secured within the rims of the top members and carrying stops to limit the outward movement of the legs. The case may hold picnic chairs as described in Specification 658,076 or the structure may be in the form of a stand or bed-frame.
Patent GB-524405-A (GB)
Title: Marking-off machine
IPC: B25H7/04
Filed: 1939-01-30
Abstract: 524,405. Tools for setting-out work. INTERNATIONAL COMBUSTION, Ltd., and JAMES, E. R. Jan. 30, 1939, No. 3108. [Class 61 (ii)] [Also in Group XXII] A marking-off machine comprises a table 1 slidable horizontally along guides 2 by means of hand wheels 4, a bridge 11 spanning the table and carrying a marking tool 13 and its driving motor 12 slidable along guides 14 by a hand wheel 15, the bridge being counterpoised by weights and slidable along vertical guides 18 by hand wheels 19, together with other sliders movable vertically on the guides 18 by hand wheels 26 and provided with guides 23 for other slidable marking tools 25 and their driving motors 24 scales and datum marks being provided for accurately setting the table and tools. The table 1 may be provided with a circular table adapted to be adjusted vertically by suitable mechanism and fixed in any angular position by a clamp, or spaced holes may be provided in its rim to enable it to be set rapidly at a number of desired positions. The tools 13, 25 may be used for sinking dimples in the work but may be replaced by other sinking or working devices.
Patent GB-187901-A (GB)
Title: A portable tool for screwing and machining the ends of axles, tubes and the like
IPC: B23G1/22
Filed: 1922-02-03
Abstract: 187,901. Thorpe, S. E., and Bevan, P. Feb. 3, 1922. Screwing die-heads.-Consists in a portable device for trimming and screwing the ends of tubular axles &c. The device comprises a mandrel a attached to the work by a chuck d having tapered dogs g which are adjusted by a nut h, and sleeve. The mandrel is screwed at b to fit a thread in the chuck, and is provided with a collar a<1> against which the tool-carrier k is forced by nuts n. A chasing-tool m and turning tool l are secured in the carrier which is rotated by handles o, the screwed mandrel serving as a lead screw for the chaser. When the end of a tube is to be trimmed up, the mandrel is locked to the chuck by the nut p, and the nuts n are unscrewed so that the carrier k can rotate on the mandrel. When a thread is to be cut on the inner surface of a tube, the tool-carrier is removed and the tools are fitted to the mandrel as to a boring-bar and the device is rotated by a spanner on the squared end of the mandrel. When the device is required to cut screws of different hands and pitches corresponding threads are cut on the part c of the mandrel, and nuts to suit are placed in a recess in the chuck at e, the part b of the mandrel being left plain where it passes through the chuck, but provided with a screwed portion for the nut p.
Patent GB-1525682-A (GB)
Title: Process for the production of 1,3-dichloroacetone oxime and its acetate derivatives
IPC: C07C239/00
Filed: 1977-01-27
Abstract: 1,3-Dichloroacetone oxime is prepared by reacting 1,3-dichloropropanone with a hydroxylamine salt. The pH of the reaction system is brought to a value of </= 2, which is maintained during the reaction. 1,3-Dichloroacetone oxime acetate is prepared by the above process, the resulting product being reacted with acetic anhydride. 1,3-Dichloroacetone oxime can be used as intermediate for the preparation of fungicides and bactericides.
Patent GB-639909-A (GB)
Title: Improvements in or relating to the drive for auxiliary devices driven by the engine of a motor vehicle
IPC: B60K25/00
Filed: 1948-02-09
Abstract: 639,909. Driving engine accessories. EATON MANUFACTURING CO. Feb. 9, 1948, No. 3712. Convention date, July 10, 1944. [Classes 7 (ii) and 7 (iii)] [Also in Group XXXI] Auxiliaries mounted on an engine 1 are driven by a common torque transmitting means, e.g. a belt 24, through an eddy-current magnetic slipping coupling 22, arranged to give a constant speed to the auxiliaries at all engine speeds above a pre-arranged minimum. The auxiliaries, e.g. a cooling water pump 14, a fuel pump 15, an electric generator 16 and a lubricant pump 17 are arranged around the front of the engine so as to be driven by the belt 24, whereas a second belt 26 drives the cooling fan. The pulleys driving the belts 24, 26 are attached to the casing of the coupling 22 which surrounds a rotor keyed to the engine shaft and'which has a magnetizing coil supplied with current through slip rings on the shaft.
Patent GB-1026809-A (GB)
Title: Improvements in or relating to bags
Inventor: BENNETT TOM HOWLETT
IPC: B65D30/00
Filed: 1964-01-29
Abstract: 1,026,809. Reinforced fabric sack. E. & M. PHILLIPSON Ltd. March 22, 1965 [Jan. 29, 1964], No. 3733/64. Heading B8K. A coal bag manufactured from jute twill sacking reinforced with a plastics material, is made from a length folded over along 4 and stitched and/or high-frequency welded along the sides 7 and 8. The mouth 10 of the bag is strengthened by turning the edge 9 over a suitable core and welding or stitching down. In the embodiment described, a plastics paste is spread on to jute twill sacking with a knife; the coated sacking is then passed through a drying chamber.
Patent GB-993082-A (GB)
Title: Continuous press suitable for the extraction of liquids from solid foods
IPC: B30B9/06
Filed: 1963-01-30
Abstract: 993,082. Continuous press. J. MACKENZIE. Jan. 30, 1963 [Jan. 31, 1962], No. 3778/63. Heading BID. A food product press comprises a barrel having a constricting outlet passage and associated discharge opening at at least one end and a transverse charging aperture opening into the barrel, said barrel having perforations through its wall into liquid collecting means, a plunger coaxial and in slidable contact with the barrel and displacing means for displacing the plunger to and fro in the barrel, whereby licuids may be squeezed from a liquid-containing mass within the barrel by displacing the plunger axially within the barrel towards the constricting outlet passage and discharge opening. In Fig. 1, material is introduced from hooper 14 into the barrel 10 which has perforatoins 11 in its wall. The wall is surrounded by a drainage jacket 16, which is in turn surrounded by a heating jacket 20 to which steam may be supplied. Plunger 30 is reciprocable within the barrel under the action of a working fluid under pressure, forcing material towards the discharge openings 44, 46. Taper plugs 34, which may be steam-heated, form constricting outlet apertures adjustable by screwing the tailpieces 40 in or out of the nuts 42. In Fig. la, the taper plugs are dispensed with, the constricting outlet aperture being formed by the converging walls of the barrel 10. In Fig. 2, the plunger 30a has a cut-away end portion 50 of arcuate section. Withdrawal of the plunger rod causes the plunger to rotate through 180 degrees as the cam follower 52 travels along the helical cam track 56, 58 and material in hopper 14 enters the barrel 10. Forward movement of plunger rod 26a thus causes rotation of the plunger so that material is deposited in barrel 10 while the hopper 14 is sealed off by the plunger. Further forward movement of the plunger, while the cam follower travels along the straight portion of the cam track 56 compresses the material which is extruded around the taper plug 34. Fig. 2a shows an alternative barrel end in which the taper plug is dispensed with, the constricting outlet aperture being formed by the converging walls of the barrel 10. Figs. 3 and 4 show a barrel closure means which may replace that of Fig. 2. A pair of pivotally mounted segmental doors 70 have arcuate segment wall parts 72 adapted to form part of the wall of the barrel 10, when in the Fig. 3 position. The doors are opened, as shown in Fig. 4, by the action of the hydraulic plunger and cylinder assembly 82 and associated link mechanism 74, 76, 78.
Patent GB-165717-A (GB)
Title: Improvements in or relating to mechanical toys
IPC: A63H7/06
Filed: 1921-02-02
Abstract: 165,717. Jones, J. W. Feb. 2, 1921. Mechanical toys.-Relates to a mechanical toy of the kind in which a figure mounted on wheels has movable members which are operated from the wheels when the toy is pushed or pulled along the ground. The toy consists of a rod a at the lower end of which a pair of wheels c are mounted, the body e of a bird being.pivoted at e<2> to the rod. Pins c<2> on the wheels make contact with the under surface e<3> of the body, so that as the toy moves the body has an up-and-down movement. The lower member f<2> of the beak is suspended at f from the head, and the mouth opens and closes with a clapping noise as the toy moves. The body is hollow to enclose the wheels, and is made up from flat pieces of wood secured to one another.
Patent GB-854327-A (GB)
Title: Improved method for the automatic production of cable patterns in flat knitted fabrics
IPC: D04B1/10
Filed: 1958-02-06
Abstract: 854,327. Knitting-machines. STOLL, R., STOLL, E., STOLL, H., STOLL, G., and STOLL, E., [trading as STOLL & CO., H.]. Feb. 6, 1958 [Feb. 8, 1957], No. 3918/58. Class 74 (2). For the production of a cable pattern on a flat knitting-machine with front and rear needle beds, the stitches are arranged with the stitches to form the cable on the needles 1-6 of the rear bed and a stitch to form a margin on either side of the cable on needles 7V, 8V of the front bed. After a number of courses have been produced thus, the needles 4V, 5V, 6V of the front bed are brought into action and engage and elongate the sinker loops at the sides of the needles 4, 5, 6 (Fig. 1). The loops are then cast off needles 4V, 5V, 6V so that the stitches on needles 4, 5, 6 become elongated. The stitches on the front bed needles 7V, 8V are then transferred to rear bed needles 7,8 and the stitches on needles 1-6 to the needles 1V-6V, this transfer being made possible by a brush which retains the latches of the needles 1V-6V open after the previous carriage stroke. The front bed is then shogged three needles to the right causing a powerful pull of the stitches to the left, and the needles 1V, 2V, 3V advanced into the transfer position, the stitches being prevented from being drawn along the stems of the needles by the advance of the needles 4, 5, 6, actuated by an augmented cam box, which act as holders for the stitches. The needles 4, 5, 6 are inserted into the stitches on the sides of the needles 1V, 2V, 3V opposite to the spreading springs, which are pressed against the needle stems by the tension in the loops (Fig. 3). The front bed is then shogged to the left seven stitches, and then to the right one stitch to relieve the yarn tension, and the stitches on needles 4V, 5V, 6V transferred to needles 1, 2, 3. Finally the cable flanking stitches are transferred from needles 7, 8 to needles 7V, 8V.
Patent GB-514615-A (GB)
Title: High frequency signalling systems comprising electrical filters
IPC: H04H20/81
Filed: 1938-02-08
Abstract: 514,615. Distributing news &c. LORENZ AKT.-GES., C. Feb. 8, 1938, No. 3929. Void. Convention date, Feb. 9, 1937. Drawings to Specification. [Class 40 (iv)] In a system for the distribution of carrier signals over telephone lines, the individual line filters are grouped on racks in the same way as the lines, a horizontal row preferably corresponding to a line group.
Patent GB-451426-A (GB)
Title: Appliance for use in fishing
IPC: A01K85/01
Filed: 1935-02-07
Abstract: 451,426. Fish lures. BOYLE, R., Burwood, Dene Road, Tynemouth, and HENDERSON, F. G., 8, New Quay, North Shields. Feb. 7, 1935, No. 3974. [Class 48] [See also Group XI] An electrically illuminated fish lure comprises a two part metal casing 1, 2 containing a battery 6. The parts 1, 2 are screwed together. The part 1 carries the lamp 3 and the hooks 5. The lamp circuit is completed by screwing the lamp into the part 1 until it contacts with the battery terminal. The battery is pressed towards the lamp by a spring 7.