baber/WOPTO huggingface dataset:
Patent GB-888867-A (GB)
Title: Electrostatic printing apparatus for forming multiple copies
IPC: G03G15/32
Filed: 1958-05-21
Abstract: 888,867. Printing processes. RANK-XEROX Ltd. May 21, 1958 [June 6. 1957], No. 16355/58. Class 100(2) An electrostatic printer comprises means for selectively producing a charge formation on an insulating surface correspondingly to graphical data reprinted by electrical input signals, and means for preserving said charge formation comparatively free from deterioration following development thereof by developer particles and transfer of the particles to a print-receiving medium, whereby said formation may be utilized for a plurality of re-development and transfer cycles. Repetitive intelligence is applied to the photo-conductive layer by optical slit projection at 13, Fig. 1, variable intellignece consisting of characters in dot pattern is applied by selectively pulsed electrode pins 18, the images are developed by a fibre or-magnetic brush 15, and the developed images pass in contact with a paper web 19 to which the powder is electrostatically transferred by a corona charging device 22. At its zone of separation from the photo-conductive layer, the web 19 is in contact with an endless grounded conductive belt 23 which prevents the formation of electrostatic fields sufficient to cause air breakdown and consequent distortion of the electrostatic images, which can thus be used for producing duplicate copies on the web, while the cylinder 10 rotates without further image production taking place. When the required copies have been made, a brush 27 is swung into contact with the cylinder to remove all residual powder. The transferred images are fixed by a heating device 26. In another form, Fig. 2, the latent images produced on the photo-conductive layer on the drum 10 are transferred to one of a plurality of endless belts 28 selectively moved into contact with the drum to receive the images, and out of contact during duplication when the belt may be driven at a higher speed. Development, cleaning, and image transfer on to a web 30 is effected by the same means as in Fig. 1, including the belt 23, not shown in Fig. 2. In another form, Fig. 3, cylinders 33, 34, 35 carry business forms as raised metal patterns, and the images are formed on a dielectric surface 36 pre-charged at 37 by partial discharge caused by contact with the raised patterns. Variable information is added by electrode pins 38, and development, cleaning, and image transfer to a web 37a is effected by the same means as in Fig. 1. Specification 887,232 is referred to.
Patent GB-515437-A (GB)
Title: Improvements in or relating to methods of printing
IPC: B41M1/18
Filed: 1938-06-01
Abstract: 515,437. Ink. INTERCHEMICAL CORPORATION. June 1, 1938, No. 16381. Convention dale, June 9, 1937. Drawings to Specification. [Class 146 (iii)] [Also in Group XVI] 'Multi-colour intaglio printing is effected by means of. a series of normally solid inks of progressively decreasing melting and congealing 'points, each ink being printed at a temperature above its congealing point and below the melting point of the previously-printed ink. Immediately after printing, each ink is cooled below its congealing point by means for example of a blast of cold air, and before printing with any ink the paper may be warmed to a temperature insufficient to soften the previously-applied ink. The inks preferably melt between 150 and 200‹F., and one of the inks to be printed, particularly the last, has a congealing point substantially below its melting point. The inks are preferably of different colours, and the vehicles consist of normally solid, amorphous substances, each of which melts at approximately 15-20'F. below that of the previously applied ink. Ink vehicles suitable for four-colour printing may consist of (a) hydrogenated castor oil and gum rosin, (b) hydrogenated castor oil and abietic acid, (c) hydrogenated soya bean oil, carnauba wax, and gum rosin, and (d) hydrogenated soya bean oil and gum rosin.
Patent GB-668251-A (GB)
Title: Improvements in or relating to electromagnetic wave-energy transmission systems
IPC: H01Q19/12
Filed: 1950-06-30
Abstract: 668,251. Wave-guides. SPERRY CORPORATION. June 30, 1950 [June 30, 1949], No. 16384/50. Class 40 (viii). [Also in Group XL (c)] A polarization changer for a wave-guide transmission system comprises a cavity resonator that may be excited in two different modes by energy of the same frequency and a device coupling these two modes. As shown, a rectangular guide 10 conveying vertically polarized energy is connected by a changer resonator 13 according to the invention to a rectangular guide 11 conveying horizontally polarized energy. Guide 10 excites one mode in resonator 13 and this is adjustable coupled by an inclined screw 18 to a mode with vectors at right angles to the first mode which then transmits energy to guide 11. The resonator 13 may be cylindrical and the wave-guides may have circular sections. If all the parts are of circular cross-section it will be necessary to insert conducting vanes before and after the mode changer to avoid any modes passing through unchanged. The resonator 13 is preferably an integral number of half-wave lengths long.
Patent GB-274265-A (GB)
Title: Improvements in or relating to fittings for roller blinds
IPC: E06B9/46
Filed: 1926-06-30
Abstract: 274,265. Langlands, A. A. June 30, 1926. Roller-blinds, attaching to rollers.- Relates to socket or end caps for wood &c. roller blinds of the kind in which the rollers are made in two separate parts each of substantially semicircular cross-sectional shape, the flat sides of which are placed together and are slightly stepped or recessed to receive the edge of the blind with a lath in it. The inside of the socket or end is provided with non-concentric projections adapted to engage in the recess or groove in the roller. As shown, the end d is provided with three short pins or projections e, f, two on one side of the centre spaced apart and one on the other side. The pins e enter the end of the recess h between the two parts of the roller g, and the pin f enters the end of the space i through which the blind x passes. The projections may be attached to the end d or formed integral therewith, .and they pass sufficiently far into the roller to lock it to the roller and ensure that the two parts rotate together without slipping.
Patent GB-476876-A (GB)
Title: Improved method of and apparatus for testing the thickness of metal coatings
IPC: G01N33/20
Filed: 1936-06-13
Abstract: The thickness of metal coatings is determined by clamping the sample e at a predetermined distance below a jet b through which a corroding liquid flows from a constant head supply a, and measuring either the time of flow or the quantity of liquid passed at the moment when the coating is seen to be penetrated.  The Specification gives several examples of corrosive liquids suitable for testing coatings of nickel, copper, bronze, cadmium, zinc, &c., on steel, copper, brass, aluminium, zinc, nickel, &c. <PICT:0476876/III/1>
Patent GB-461061-A (GB)
Title: Improved metallic sashes for windows and like bays
IPC: E06B3/16
Filed: 1936-06-13
Abstract: 461,061. Casement window frames. DOUZILLE, L. C. E. June 13, 1936, No. 16572. Convention date, Nov. 8, 1935. [Class 20 (iii)] Some or all of the sash members of a window comprise two parts, 1, 2, joined to make a tubular sash frame, one part consisting of a flanged channel 1 or 1<a>, and the second a flat member joined thereto by welding along the edges at m, n, and on shoulders within the channel. Some of the sash members may be of one piece in bronze, aluminium or their alloys. The invention is shown applied to a casement window having overlapped meeting edges, one limb of the channel being extended on both sides of the web to provide a glaxing flange.
Patent GB-425514-A (GB)
Title: Apparatus for transporting sheets of glass
IPC: C03B35/18
Filed: 1934-06-04
Abstract: 425,514. Roller - way conveyers. GLACERIES DE LA SAMBRE SOC. ANON., Auvelais, Belgium. June 4, 1934, No. 16601. Convention date, Oct. 2, 1933. [Class 78 (i)] [See also Group XII] In apparatus for transporting glass sheets from a rolling machine 2 to a position in front of an annealing leer 4, of the kind comprising a roller-way conveyer fitted, between the rollers 3 adjacent the leer, with members 5 which are raised to lift the sheet from the rollers during the charging stroke of the pusher 6, the upper ends of the members 5 are provided with a thin layer 5<a> of good heat-conducting material superposed on a layer 5b of material of low heat conductivity. The material employed for the layer 5<a> is one in which the product of the specific heat and density is relatively small, e.g. steel, copper, brass, zinc, &c., and its sheet engaging surface is of matt or corrugated form, as shown in Fig. 5, or may have upstanding edges 5f, Fig. 7, so that the points of contact with the sheet are as widely spaced as possible. The layer 5<b> may, as shown in Fig. 6, be constituted in part by a cavity 5d which either contains air or is evacuated. Fig. 8 shows a further construction in which the upper part of the member 5 is of semi-cylindrical form, the layers 5<a>, 5b, being applied to the upper edges of both arms 5<g>.
Patent GB-1381187-A (GB)
Title: Dishwashing detergents
IPC: C11D3/00
Filed: 1972-04-11
Abstract: 1381187 Phosphate-free dishwashing composition COLGATE-PALMOLIVE CO 11 April 1972 [12 April 1971] 16622/72 Heading C5D An alkaline detergent composition suitable for use in dish-washing compositions substantially free of inorganic phosphates comprises (A) at least 35% by wt. of a water-soluble citrate and (B) at least one water-soluble silicate, borate, carbonate and/or sulphate. The citrate may be citric acid, an alkali metal, ammonium or amine citrate or a mixture thereof. The builder (B) may be present in quantities of 30 to 65% by wt. sufficient to yield a pH in water of 9À5 to 12À0. Optional ingredients are (C) 0À5 to 5% wt. of an anionic, non-ionic, cationic, amphoteric or zwitterionic surfactant, especially low foaming anionic e.g. ethoxylated fatty alcohol, (D) alkali metal hydroxide, (E) 0À5 to 5% wt. of a chlorine or bromine releasing bleach, e.g. lithium hypochlorite or hypobromite; N-bromo- and N-chloroimides and salts thereof; hydantoins, e.g. 1,3-dichloro-5,5-dimethyl hydantoin; trichloromelamine; calcium hypochlorite and calcium hypobromite; (F) detergent auxiliaries.
Patent GB-657999-A (GB)
Title: Improvements relating to opposed-piston internal-combustion engines of trunk-piston design
IPC: F02B75/28
Filed: 1949-06-23
Abstract: 657,999. Opposed-piston two-stroke engines. POUNDER, C. C., and REBBECK, Sir F. E. June 23, 1949, No. 16677. [Class 7(ii)] In a single-acting trunk-piston engine, side rods 10, 11 and 12, 13, arranged in pairs on opposite sides of the or each cylinder are attached to the yoke 7 of a piston 6 controlling exhaust ports 22, and are connected through crossheads 14, 15 to connecting rods 16, 17 driving secondary cranks 18, 19. The main piston 1, which is connected to the crankshaft 3 through a connecting rod 2, controls the scavenge air ports 21 and may be of a diameter different from piston 6.
Patent GB-698009-A (GB)
Title: Improvements in and relating to air line lubricators
IPC: F16N7/32
Filed: 1951-07-13
Abstract: 698,009. Lubricating. SYMONS, P. E. July 13, 1951, No. 16703/51. Class 12 (iii). An air line lubricator of the type in whicl air from the line is admitted to an oil reservoirand oil is caused to flow through a siphon tube to a constriction in the main air passage, is adapted to admit air from the air-line through a valve to the reservoir 3 which has a filling aperture 30 sealed by a removable plug 31 and a sealing ring, and is characterised by a resiliently movable sealing ring 32 adapted to seal the aperture when the valve is open and a mechanical inter-connection between the plug and the valve adapted to open the valve, the valve being adapted to close before the filling aperture is sealed. The lubricator comprises a rod 6 screwed into the valve body 1 and fastened by a nut 10 to clamp the base 11, a transparent oil container 3, and the body 1 together. The main air passage 4 may be provided with a venturi constriction, or the rod 6 may bo extended into the passage to reduce its crosssectional area. An adjustable needle valve constricts a plug 12 in communication with a drip passage 13 leading into a sight feed glass 14, which glass connects via an oil supply passage 15 with a suction port 16. The siphon tube 18 extends into the body 1 and connects via passage 21, Fig. 5, with a passage 19 between the plug 12 and the needle valve. A ball check valve is provided at the top of the tube 18. The resilient ring 32 is deformed into sealing contact by compressed air tapped from the main air line through a passage 39 via valve 33, the valve being opened by the downward screwing of the plug 31 which moves a plunger 36. The opening of the valve admits compressed air via passage 41 to the container 3. When the plug 31 is removed for replenishing the oil, the valve is closed by a spring 38, thus cutting off the air to the container. The extent of movement of the filler plug is such that the valve closes before the aperture is unsealed. A venturi constriction may be employed with a spring-loaded valve sliding in a multi-passaged bushing functioning as an atomizer, the movement of the valve being dependent on the rate of air flow. In place of the bushing the stem of the valve may be slotted. In a modification the sealing ring co-operates with a sealing face and is movable under the action of a spring. Specification 639,296, describing a filler valve operated by differential pressure, is referred to.
Patent GB-169267-A (GB)
Title: Improvements in or relating to apparatus for supplying liquids under pressure
IPC: F04B1/113
Filed: 1920-06-21
Abstract: 169,267. British Cellulose & Chemical Manufacturing Co., Ltd., and Wilson, W. H. June 21, 1920. No Patent granted (Sealing fee not paid). Revolving-cylinder pumps for viscous liquids such as used in the manufacture of artificial silk &c. A disc 2, carried by a shaft 3 driven by worm gear &c., has a central rectangular open- . ing to contain a rectangular cross-head which slides on a block carried by an eccentric pin 11. The disc is bored radially to form a pair of cylinders in which work plungers 10<a>, 10<b>, formed in one with the cross-head. The disc rotates in a casing having a circumferential inlet chamber and an inlet branch 6, and a similar delivery chamber 8<a> and delivery branch 7. The disc is made in three parts a, b, c, held together by screws. The parts a, b have radial grooves in their meeting faces which together form the cylinders, and are cut away to form the central rectangular opening.
Patent GB-553250-A (GB)
Title: An improved machine for lifting root crops
IPC: A01D25/02
Filed: 1941-12-30
Abstract: 553,250. Lifting root crops. KRAUS, G., and GROW MORE UTILITIES, Ltd. Dec. 30, 1941, No. 16773. [Class 6 (iii)] Crops are harvested by a machine comprising a share with a pointed and ridged nose piece B and bevelled side members C mounted on a triangular frame A. A keel-plate D makes a vertical cut in the ground and imparts lateral steadiness. Haulage means is attached to the post E, and steering effected by the handles F. The side members C are preferably provided with sharp-edged facings to sever the tap-roots beneath the tubers &c.
Patent GB-312817-A (GB)
Title: Improvements in or relating to tipping gear for vehicle bodies
IPC: B60P1/10
Filed: 1928-06-11
Abstract: 312,817. Jackson, A. M., Preston, W., and Sutcliffe, F. June 11, 1928. Tipping carts.-In tipping gear for vehicles of the type in which the lifting screw is adapted to be driven by bevel gearing and is pivoted by a ball and socket joint to the driving bevel wheel, the ball being secured to the lower end of the lifting screw and the socket being afforded in the top of the bevel gear the driving connection between the bevel gear and the lifting screw is afforded by a transverse pin which serves to secure the ball to the lifting screw, the pin passing through the centre of the ball and having its ends projecting into engagement with arcuate slots or recesses in the bevel wheel. As shown, the screw 1 is mounted in the driving bevel wheel 2 by means of a ball 3 and socket 4 a ring 7 secured to the wheel 2 completing the socket 4. The screw 1 is secured to the ball 3 centrally by a pin 5 which forms the driving connection between the ball and the bevel wheel 2 the ends of the pin projecting into arcuate slots or recesses 6 in the socket. The bevel wheel 2 is provided with a depending stem 9 bearing in the bracket 11 and provided with a ball thrust bearing 15.
Patent GB-275389-A (GB)
Title: Improvements in binocular telescopes
IPC: G02B7/06
Filed: 1926-07-06
Abstract: 275,389. Taylor, M. H., and Kapella, Ltd. July 6, 1926. Field-glasses.-Comprises improved means for focussing binocular telescopes and constraining the movable lenses. The telescope body A is provided with an inner body a<1> having at its ends cylindrical portions a<2>. a<3>, which support and guide the eye-piece and objective respectively. Hinge members F, f<1> pivot on the spindle E and the button e, and the spindle E is provided with a screw-thread e<4> for engagement by the focussing nut A, by which the objective may be adjusted for focussing through the yoke H passing through a slot in the body A and attached to a sliding tube J carrying the objective C. One end of the tube J consists of a cylindrical portion d sliding in the tube a<2>, and the other end carries the mount c<1> of the objective C, this mount moving in contact with the sleeve a<1>.
Patent GB-844639-A (GB)
Title: Improvements in or relating to electrical socket connectors
IPC: H01H50/14
Filed: 1957-05-28
Abstract: 844,639. Two-part couplings. CONTINENTAL CONNECTOR CORPORATION. May 28, 1957 [Aug. 2, 1956], No. 16921/57. Class 38(1). A socket connector for receiving a printed circuit panel comprises an insulating body 2 formed with a channel 10 in which are located pairs of resilient strip contacts 12, 12<SP>1</SP>, the contacts of each pair being located on opposite sides of the channel and being resiliently urged towards each other. The pairs of contacts 12 are prevented from contacting by projectiors 48 in the base of the channel 10 whilst the pairs of contacts 12<SP>1</SP> engage when the panel is disconnected. On insertion of the panel 16, Fig. 6, the contacts 12 engage terminal portions 14 of the printed circuit whilst a portion of the panel separates the contact 12<SP>1</SP>. These contacts may either engage further terminal portions of the printed circuit or the insulating panel. The projections 48 engage recesses 50 in the panel and thereby serve to orient the latter. Specification 844,640 is referred to.
Patent GB-1309983-A (GB)
Title: Devices for spraying oil on pistons of piston engines
IPC: F01P3/08
Filed: 1971-05-25
Abstract: 1309983 Cooling pistons TATRA NARODNI PODNIK 25 May 1971 [2 June 1970] 16948/71 Heading F2T  In a system for distributing oil to the undersides of pistons of a piston engine, separate oil headers, for each piston, have annular oil ducts 6 of a width less than the diameter of the bore of the nozzle opening of spray-producing jets 4. The ducts retain particles in the oil and thus obviate the need for a separate oil cleaner.
Patent GB-102498-A (GB)
Title: Improvements in Apparatus for Measuring Acceleration and Retardation.
Inventor: CARLIER JOSEPH GUSTAVE
IPC: G01P15/12
Filed: 1916-11-27
Abstract: 102,498. Carlier, J. G. Nov. 27, 1916. Acceleration and retardation, measuring; with means for controlling motors.- An apparatus for measuring the acceleration or retardation of a moving body comprises two masses rotating about the same axis, the centre of gravity of one being above and the other balow the suspension, so that the upper body is unstable and the lower in stable equilibrium, means connecting the two masses whereby the movement of one resists the movement of the other, and indicating or actuating devices operated by the relative movements of the masses. Fig. 1 shows a form in which one mass comprises a body of mercury in the U-shaped trough 6, 7, and the other a mass P mounted on a rod fixed to a shaft o carrying two arms f, to which are attached curved rods A, B dipping into the mercury. On an acceleration or retardation taking place, both the mass P and mercury move in the same direction, the movement being resisted by the increased immersion of the rods A or B, and the amount of movement being a function of the acceleration. In order to measure this, the arms A, B are wound with resistance wire and placed in the arms of a wheatstone bridge, the disturbance of the balance of which is either measured directly by means of a galvanometer or is utilized to actuate brakes, engine valves &c., or integrating devices by which an indication of the speed is obtained. Fig. 4 shows a form in which the masses A, B are both pivoted at O, the relative movement being resisted by means of springs R. R'. Where it is desired to indicate the acceleration in two directions at right-angles, for example on aircraft, a mercury trough having four arms a, d, Fig. 7a, is provided, and the mass P<1> mounted on a universal joint. In this case, the arms may be connected to the arms of two wheatstone bridges, the galvanometer circuits of which are connected to the coils of a galvanometer having two windings at right-angles; the reading of which thus gives the resultant acceleration. In order to indicate the inclination in space of a body, the apparatus is arranged as shown in Fig. 10, in which the coils 1, 2 immersed in the mercury trough are connected to one wheatstone bridge, the galvanometer circuit of which is connected to the coil I of the galvanometer G, while the coils 3, 4 in the pendulum arm are connected to another wheatstone bridge, the galvanometer circuit of which is connected to the coil 2. The resistances of the coils 1, 2 will be varied by gravity and acceleration, while those of the coils 3, 4 will be varied by acceleration alone. The coils I, II are arranged in opposition so that the resultant effect on the galvanometer will be due to gravity alone.
Patent GB-1298519-A (GB)
Title: Gas density measuring apparatus
IPC: G01N9/00
Filed: 1970-04-09
Abstract: 1298519 Measuring gas density AUTOMATION PRODUCTS Inc 9 April 1970 [18 April 1969] 16996/70 Headings G1N and G1S An apparatus for measuring density of gas flowing in a pipeline comprises an enclosed measuring chamber 18 within a pipe section 22 on one side of an orifice in the section so that its exterior is contacted by a gas in the pipe section which will maintain the chamber at the temperature of the gas, the chamber being connected by valved conduits 24,26 to the pipe section at each side of the orifice, one of the conduits being a restriction 28 for maintaining gas flowing through the chamber at substantially the pressure at one side of the orifice, a flexible element 40 mounted for vibratory movement in the chamber, means for vibrating the element 48, 50, 56 means for measuring the amplitude of vibration of the element 58, 60, 68 and a passageway 34 between the chamber and a point exteriorly of the pipe section for admitting a calibration gas to the chamber. Paddle 42 increases the sensitivity of flexible vibratory element 40 supported at a point 44 adjacent the nodal point of its natural resonant vibration. Vibration is caused electrically by coil 48 with magnetic core 50 acting on armature 56 connected to arm 55 of the rod 40. The amplitude of the vibrations which is produced is proportional to the density of the gas and is measured electrically; armature 68 attached to arm 66 of the element 40 reciprocates within coil 60 having a magnet 58 and electrical connections 62,64 of the measuring coil are connected to a voltmeter or chart recorder.