baber/WOPTO huggingface dataset:
Patent GB-403841-A (GB)
Title: Improvements in or relating to liquid fuel burning apparatus
IPC: F23D11/10
Filed: 1933-03-13
Abstract: 403,841. Liquid-fuel burners. COMBUSTIONS, Ltd., 37, Walbrook, London, and HUBBARD, W. A., 25, Longcroft Green, Welwyn Garden City, Hertfordshire. March 13, 1933, No. 7513. [Class 75 (i).] In a liquid fuel burning apparatus in which the low pressure air for atomizing the fuel is supplied from a vonturi tube 1 fitted with a cap 2 which is formed with atmospheric air inlets 3 and carries a high pressure air nozzle 4, ports 6 normally closed by a shutter 7 of the hit-and-miss type are provided at the outlet end of the venturi tube to allow excess air to be discharged when the burner is operating at minimum capacity.
Patent GB-374168-A (GB)
Title: Improvements in tuned or resonance spring blades or reeds chiefly designed for use in electro magnetic resonance spring driving mechanisms
IPC: H01H51/32
Filed: 1931-03-11
Abstract: 374,168. Electric clocks. LANDIS ET GYR, SOC. ANON., 1, Hofstrasse, Zug, Switzerland. March 11, 1931, No. 7525. Convention date, March 12, 1930. [Class 139.] Tuned reeds which are electromagnetically operated by currents of particular frequencies to produce the regulation of clocks, consist of springy blades which are thickened at the ends at which they are clamped in position between fixed and adjustable mounting bars and have their natural frequency adjusted by means of tuning members which may be moved along the thinner parts of the reeds and clamped in their adjusted positions. As shown in Fig. 1, the reed 8 is clamped at one end between plates 6, 7, the portion 9 adjacent the clamped end being thickened. A tuning member such as a small weight 11 is mounted on the thin part of the reed and may be moved along this portion, being fitted with a clamping screw 10 for retaining it in its adjusted position. The free end of the reed is arranged to vibrate in an air gap 5 of a laminated core 3 when a particular frequency of current corresponding to the natural frequency of the reed is supplied to an energizing coil 4, the reed being polarized by a permanent magnet 1. For different ranges of frequency the proportion of the blade which is thickened and the amount of thickening is varied as shown in Fig. 3 in which three groups of reeds a, b, c are shown corresponding to three frequency ranges the individual reeds in each group varying in length. In clamping the reeds in position the thickening of the reed is placed adjacent the lower adjustable plate 6, Fig. 1, so that with reeds of different ranges there is no variation of the position of the free end of the reed within the air gap 5. Where two or more reeds having different thickened portions are supported between the same clamping plates, packing pieces are inserted where necessary between the plate 6 and the thickened portions of the reeds.
Patent GB-235950-A (GB)
Title: Improvements relating to machines for fire-finishing tumblers and other glass articles
IPC: C03B29/06
Filed: 1924-03-25
Abstract: 235,950. Pitt, H. H. March 25, 1924. Polishing.-In a machine for fine-polishing tumblers or other glassware, the shapes or supports for the tumblers are externally ribbed or of skeleton form in order that the flame from the burners can enter the tumblers. The ware is thus polished on the inside simultaneously with the rounding of the rim and the polishing of the outside. The supports a, Fig. 1, are mounted near the edge of a horizontal revolving table b by which they are carried through a furnace or glory hole c in the known manner. Each support a is formed with external ribs d, Fig. 5, and is provided with a cap f which is mounted on a spindle g that passes down through the support. A pinion h, secured to the lower end of the spindle g, gears with a circular rack n secured to the machine bed p, so that the cap f is rotated by the movement of the table b. The lower end of the spindle g makes contact with an undulating circular track r secured to the machine bed, so that the movement of the table also causes a vertical reciprocation of the cap f. Thus a tumbler, as it is carried round by the table, is continually lifted from and is rotated relatively to its support, and is prevented from contracting between the ribs d. A jet of air from a nozzle s prevents the glass from sticking to the support. In modified constructions, the caps f are non rotary and the supports are rotated, or the supports and caps are rotated in opposite directions, or in the same direction but at different speeds. The supports may also be reciprocated instead of the caps.
Patent GB-555693-A (GB)
Title: Contact-spring pile-ups for electric switching devices
IPC: H01H50/56
Filed: 1942-06-04
Abstract: 555,693. Coating compositions. STANDARD TELEPHONES & CABLES, Ltd. June 4, 1942, No. 7598. Convention date, June 6, 1941. Drawings to Specification. [Class 95] [Also in Groups XXXVII and XXXVI] The insulating laminae that separate the contact strips of spring pile-ups of relays or like devices are each composed of a metal sheet coated with an adherent insulating material comprising an inorganic filler and an inorganic binder. The binder may be silica sol produced by hydrolyzing ethyl silicate in a suitable solvent such as hydrochloric acid and ethylene glycol monobutyl ether. The sol is mixed with the filler which may be aluminium oxide and is then painted or sprayed on iron or nichrome sheets which may be heated after the solvent has evaporated. Other solvents that may be used are ethyl alcohol, isopropanol, butanol, ethylene glycol diethyl ester and diethylene glycol diethyl ether. The filler may also consist of oxides of titanium, beryllium, zirconium, silicon or a borate, silicate or phosphate, e.g. ground mica, talc, clay. The binder may also hydrolyzed nitrate of aluminium, zirconium or titanium.
Patent GB-315448-A (GB)
Title: Improvements in or relating to picking or harvesting machines for potatoes or the like
IPC: A01D17/16
Filed: 1928-03-13
Abstract: 315,448. Palmer, H. N. March 13, 1928. Potato diggers and harvesters; crops, root, digging and topping machines for.-Potatoes or the like lifted from a ridge by a shaft 32 are fed into a cage member 19 comprised of iron tubes or slats 21 extending between end members 20, and are carried along the member by a screw 23 mounted on a shaft 24 and driven from the rear axle of the machine through a bevel gear 26, 27, a transverse shaft 28, and chain gearing 28<a>. The screw 23, which projects at its lower end beyond the cage and carries a scraper to engage the share, may be Multiple threaded. The top of the cage member may be closed by wire netting, and rake devices operated by a handle 62 may be employed to keep the rods of the cage free from earth. The cleaned potatoes fall into a trough 34 which may be provided with a reciprocating riddle and are conveyed thence by an elevator 35 that delivers them into a shoot 45 leading to a cart. The haulm of the potatoes is cut off by an oscillating knife 46 actuated from the shaft of the screw. Guides 54 direct the haulm to the knife. The front of the machine may be raised by a lever.
Patent GB-1196396-A (GB)
Title: Cellular Thermoplastic Rods
IPC: B29C48/91
Filed: 1969-02-13
Abstract: 1,196,396. Conveyers; shoots. TORAY INDUSTRIES Inc. 13 Feb., 1969 [14 Feb., 1968; 8 April, 1968; 10 April, 1968; 19 Sept., 1968; 30 Oct., 1968], No. 7767/69. Headings B8A and B8S. [Also in Divisions B4-B5] In the production of extruded circular crosssection foamed thermoplastic rods or tubes, the hot extrudate is cooled during rotation thereof about its own axis on a support surface until the surface of the extrudate has solidified, thereby preventing significant gravity deformation of the extrudate. Numerous embodiments of support surfaces are described and a list is given of materials from which they may be made. In the embodiment of Fig. 5 the extrudate rolls down successive unconnected plates 2<SP>1</SP>, 2<SP>11</SP>, 2<SP>111</SP> &c. to discharge plate 8. The rod or tube may be sized between relatively moving plates (4, 5), Fig. 3 (not shown), spaced by rollers (6) or between a plate and an endless conveyer (12), Fig. 8 (not shown). In inclined plate arrangements e.g. as shown in Fig. 5, a resilient baffle (10), Fig. 7 (not shown), may be used to change the direction of movement of the rod or tube in its passage from one plate to the next. In the embodiment of Fig. 10, rods are shown on the surface of a roller 13 between pairs of guide rolls 15 and intermediate rolls 14, the latter, preferably of rubber, forming a friction drive between roller 13 and guide rolls 15. Rolls 14, 15 are mounted for free rotation on flanges 16, see also Figs. 9 and 11 (not reproduced), the flanges being rotated in the opposite direction to roller 13. The rods while being rotated about their axes are delivered from a hopper to a collection chamber as shown. The embodiment of Figs. 12 and 13 (not shown) is similar in principle to that of Fig. 10, roller 13 being replaced by an endless belt (19), e.g. of steel, cloth, or preferably rubber, with guide rolls 15 being freely rotatable. In a modification, Figs. 14 and 15 (not shown), flanges (20) supporting guide rolls 15 are mounted above belt (19) rather than enclosing it. In the embodiment of Fig. 17, rods 1 are supported between rolls 3 which are together rotated in the same sense and at the same speed, movement of the rods from a hopper to a collector being effected by angled air jets from nozzles 23. In a modification, this movement may be effected by reciprocating levers rather than the air jets. In a final embodiment, Figs. 19 and 20 (not shown), rolls (3) are rotated by belt (19) as they move in an endless path. Rods 1 are carried and rotated by the rolls. In all cases coolants other than air may be employed, e.g. nitrogen or a liquid, and the apparatus parts may be heated or cooled by circulating or otherwise applying heat exchange media.
Patent GB-911051-A (GB)
Title: A circuit arrangement for checking the validity of binary numbers
IPC: G06F11/00
Filed: 1961-03-03
Abstract: 911,051. Digital electric calculating apparatus. OLYMPIA WERKE A.G. March 3, 1961 [April 11, 1960], No. 7829/61. Class 106 (1). In an arrangement for checking whether a combination of binary digits represents a coded digit in a binary excess code, sections of the digit positions which have combinations of binary digits occurring only in numbers in the code, are checked. As described, for an excess twenty-seven code, in which a decimal digit n is represented as the binary number n+27, the representation for the digits 0-9 are shown in Fig. 2, the section comprising the first four code positions being characterized by the combination 0111 for digits 1-4 and 1000 for digits 5-8. A number to be checked is stored in a six-plate register comprising bi-stable stages FF 1 -FF 6 , the " 0 " and " 1 " outputs from the stages being applied to " and " gates U 1 -U 4 . The gate U 1  produces an output if 011011, representing decimal zero, is stored, the gates U 2 , U 3  producing outputs if the combination 0111 and 1000 respectively are stored in flip-flops FF 1 - FF 4  and the gate U 4  producing an output if 100100, representing decimal nine is stored. The outputs of the gates U 1 -U 4  are connected via an inverter I 1 , to a further " and " gate U 5  supplied with synchronizing pulses at P. The arrangement is such that when a binary digit combination to be tested is stored in the stages FF 1 -FF 6 , the application of a synchronizing pulse at P causes an output at A if and only if the binary digit combination does not represent a decimal digit 0-9 in the excess twenty-seven code.
Patent GB-887559-A (GB)
Title: Improvements in and relating to fluid-flow control taps
IPC: F16K47/02
Filed: 1959-03-06
Abstract: 887,559. Valves. SCHAVERIEN, E. M. Feb. 16, 1960 [March 6, 1959], No. 7851/59. Class 135. A valve for controlling fluid flow comprises a chamber 3 through which fluid can flow between an inlet 6 and an outlet 2, a sealing member 1 movable to and away from the outlet to close and open the outlet, a freely slidable member 4, formed to close the chamber inlet, housed in the chamber and movable therein by the sealing member towards the chamber inlet as the sealing member is moved towards the chamber outlet, the slide reaching and closing the chamber inlet just before the sealing member reaches and closes the chamber outlet, the slide member being formed with a reduced passage 7, 8 through which fluid can pass at a reduced rate when the slide closes the chamber inlet and until, as a result of further movement, the sealing member closes the chamber outlet. As shown applied to a valve in which the sealing member 1, in the form of a washer, is mounted in a sleeve rotatable through gears, as more fully described in Specification 887,558, the member 4 is of generally square section having a reduced portion 5 arranged to be pressed by the sealing member via a pin 9 into the inlet 6 when the valve is being closed;. when applied to a ball-operated valve the pin 9 may be formed with or fitted rigidly to the carrier of the sealing member 1 and bear against the flat base of the carrier or a yieldable pad secured to the base. The reduced passage 7, 8 is provided in order to prevent water hammer. A cone 10 on the plug mates with a seat 11 in order to close the outlet when the closure member 1 is being replaced.
Patent GB-526330-A (GB)
Title: Improved preparation of water-soluble cellulose ethers
IPC: C08B11/02
Filed: 1939-03-13
Abstract: 526,330. Cellulose ethers. TENNANT, W. J. (Dow Chemical Co.). March 13, 1939, No. 8070. [Class 2 (ii)] Alkali cellulose containing at least 0.9 and not substantially greater than 1.2 parts sodium hydroxide, and at least 0.9 and not substantially greater than 1.5 parts of. water per part of cellulose by weight, is etherified with an alkylating agent such as the methyl or ethyl halides and sulphates, the alkylating agent being supplied in quantity at least equivalent to the sodium hydroxide present. The reaction is continued till the sodium hydroxide is substantially neutralized but discontinued while the reaction mixture is still slightly alkaline. A uniform cold water-soluble lower alkyl ether of cellulose containing 25-33 per cent. of alkoxyl groups and soluble in water at temperatures below room temperature but insoluble in water at temperatures above 65 ‹C. is obtained. Methyl chloride, bromide, or iodide, or the corresponding ethyl halide may be used as etherifying agent. Etherification may be effected at raised temperature. The cellulose ethers obtained may be used for printing on cloth, and after dyeing the treated cloth, the cellulose ether may be removed by treatment with cold water. The cellulose ethers may also be used in the preparation of adhesive compositions and emulsions. Specifications 181,393, [Class 2 (ii)], and 427,387 are referred to.
Patent GB-181792-A (GB)
Title: Improvements in apparatus for cleaning, polishing and dusting of windows, ceilings and other objects, in accessible or inaccessible positions
IPC: A47L11/38
Filed: 1921-03-15
Abstract: 181,792. Snazelle, O. H., Hethering- ton, J., and McIldowie, L. M. March 15, 1921. Brushes, hand-supported, driving by power; rotary brushes; mops. - In a device of the type comprising a hand-supported motor provided with an outwardly-extending shaft made in sections and adapted to carry detachably one of a number of cleaning and polishing appliances, a changespeed gear is provided through which the shaft is driven from the motor. As shown, a casing 2, situated between two supporting handles, carries an electric motor, the shaft 14 of which drives by means of gear wheels 16, 18, a countershaft 12 having fixed thereon two pinions 20, 22 engaging, respectively, two gear wheels 24, 26 loosely mounted on a shaft 28. Each gear can be brought into engagement with the shaft 28 by means of a sliding clutch member 30 provided with a groove 35 engaged by a dog 34, which is guided by means of pins 36 in grooves 38 and is provided with a knob 40 and a spring plate 42 in engagement with one of three depressions 44 on the outside of the casing. The outer end of the shaft 28 is supported in a plug 46 secured to the handle 6, and carries a clutch member 48 adapted to engage with a clutch member 64 on one of the shaft sections 52. The plug 46 is adapted to be secured by a bayonet joint to one end of a casing 54 surrounding the shaft section 52. The other end of the shaft section and its casing is similar to the outer end of the shaft 28 and the plug 46. The end section comprises a short shaft 66 supported in a socket 68 and carrying a clutch member 63 and a socket 70 provided with bayonet slots to receive studs on the cleaning appliance. One form of appliance is shown in Fig. 4 and comprises a mop 80 with a flexible neck 82 in the form of a helical spring. Other foims comprise a conical brush, a cylindrical brush, and a mop formed of chamois leather strips. The brush or mop may also be rotated by any motor other than electric, e.g. a compressed-air motor. An angular adapter may be employed to enable the brush &c. to rotate at an angle to the axis of the device. The Provisional Specification states that a dual motion, rotating and reciprocating, may be given to the shaft carrying the cleaning appliance. Specification 136,887 is referred to.
Patent GB-880528-A (GB)
Title: Improvements relating to lubricating compositions for two-stroke internal combustionengines
IPC: C10L1/14
Filed: 1958-03-13
Abstract: A lubricating composition, suitable for addition to gasoline to produce a fuel for a two stroke engine, comprises a mineral lubricating oil, obtained from a petroleum distillate and having a viscosity in the range 180-250 secs.  Redwood I at 140 DEG F. and a viscosity index of at least 80, and a minor proportion of an additive consisting of a blend of a sulphurized divalent metal alkyl phenate or thiophenate with an alkaline earth petroleum mahogany sulphonate. In order to render it more easily miscible with gasoline, the lubricating composition may contain additionally up to 50% by weight, based on the composition, of kerosine.  In an example, the additive incorporated in the mineral lubricating oil is "Paranox" 64 GB" which is believed to be a blend of sulphurized barium iso-octyl phenate and calcium mahogany sulphonate (the word "Paranox" is a Registered Trade Mark), and the lubricating composition is added to a gasoline containing 2 ml.  TEL/Imperial gallon.  The effect of using other mineral lubricating oils is described.  Specification 727,655 is referred to.
Patent GB-116156-A (GB)
Title: Improvements in or in connection with Loom Shuttle Tongues.
Inventor: SEED THOMAS
IPC: D03J5/08
Filed: 1917-06-06
Abstract: 116,156. Seed, T., (Seed, W. E.). June 6, 1917. Shuttles.-A device of the type for gradually moving the cop along the tongue, as the yarn is unwound, towards a detachable cap &c. at the free ends comprises a casing 28, Fig. 1, provided with a tubular member 22 having balls 25 inserted in conical holes 24 therein around the tongue a, which is of smaller diameter than the bore of the cop, and a conical tube 27 which is acted upon by a spring 29, confined. between it and the casing 28, so that, normally, the inner surface of the conical tube presses the balls against the tongue a and locks the device to the tongue. The base of the cop bears against a disk 30, and the impact of the picker on the shuttle causes the balls to be freed momentarily so that the device moves a short distance along the tongue. The device may be freed for adjustment by moving the two members apart by hand. The part of the tongue near the cap may be of reduced diameter so that the device will fail to grip it. In modifications, the conical tube is reversed so that the spring tends to separate the two members, and the conical member may have projections passing through slots in the casing to facilitate the adjustment of the device. In another form, the balls are dispensed with and the split and coned ends 33, Fig. 4, of a tube 32a is normally pressed by a spring 29 into a conical hole 35 in a casing 34, a disk 37 being secured to the tube 32<a> to facilitate the adjustment of the device; the tube with the split and coned end may be secured to the casing and co-operate with a conical hole in a spring-controlled member movable in the casing.
Patent GB-634049-A (GB)
Title: Improvements in or relating to sliding windows
IPC: B63B19/00
Filed: 1948-03-19
Abstract: 634,049. Window regulators. UTLEY, T. March 19, 1948, No. 8186. [Class 20 (iii)] Sliding window operating apparatus of the kind comprising a vertical screw-threaded rod engaging a nut attached to the window, comprises a connecting member rigidly secured at one end to the bottom of the window, the other end being slotted to receive the medial portion of a nut provided with upper and lower flanges between which the said slotted end is located, rotation of the nut being prevented by flats formed on the said medial portion, the forked connecting member being free to move laterally with respect to the nut. In the form shown, a forked connecting member c is rigidly secured to the window a, a nut j, provided with top and bottom flanges j<SP>1</SP>, engaging between the arms of the member c and being prevented from turning therein by flats j<SP>2</SP>. A screw-threaded rod h passes through the nut and is rotatable, through bevel gears g and e, by a handle which is placed on shaft f. Such rotation causes the nut to move up or down, so raising or lowering the window. The forked member c is free to move laterally on the nut and so maintains its right-angle position with respect to rod h, thus allowing the wear on the nut to be evenly distributed over its working surfaces.
Patent GB-1465052-A (GB)
Title: Fuel control systems
IPC: F02D41/18
Filed: 1973-02-20
Abstract: 1465052 Automatic control exhaust gases LUCAS ELECTRICAL Ltd 8 Feb 1974 [20 Feb 1973 31 March 1973] 8214/73 and 15595/73 Heading G3R The quantity of fuel supplied to an I.C. engine is controlled by pulses, the duration of which is determined by the measured mass flow of air into the intake manifold and also by the measured composition of the exhaust gases. In the embodiment two fuel injecting units (not shown) are controlled by bi-stable circuits 21, 22, the "on" state of which is triggered by engine driven contacts 14, 24 and the "off" state by count-down counters 15, 16 reaching zero from a number fed into them from a count-up counter 13. This counts pulses from an oscillator whose frequency is controlled by the voltage from a mass flowmeter 10 (e.g. an ion producer) which measures the air-flow in induction manifold 11. Counter 13 is reset at each engine cycle by contacts 14. Delay circuits 17, 23 ensure events take place in the correct sequence. Counters 15, 16 are operated by clockpulses from a variable frequency source 18. Thus the duration of each fuel injection pulse is determined by the induction air-flow (as'indicated by the count reached each cycle by counter 13) and the frequency of the clockpulses. The latter is adjusted by a motor driven potentiometer 31 in response to the difference between the filtered output of an exhaust gas monitor 26 (of 02 or CO) and a reference value 29. Thus the clock frequency corresponds to the integral of error. A similar arrangement adjusts a second motor driven potentiometer 36 in the zero setting circuit of the mass flowmeter. The motors are connected to the error signal via switches 26a, 26b (which may be F.E.T.s) which are actuated by respective comparators 38, 39 connected to the mass flowmeter and to respective reference voltages. When the air-flow is below the reference applied at 38, 26b is closed to adjust the zero setting of the meter and when it is above the reference applied to 39, 26a is closed to adjust the clock frequency. The reference voltages may be the same or chosen to operate the switches with a dead band or with overlap.