baber/WOPTO huggingface dataset:
Patent GB-297698-A (GB)
Title: Improvements in apparatus for delivering measured quantities of liquid
IPC: B67D7/16
Filed: 1927-06-21
Abstract: 297,698. Shell-Mex, Ltd., and Lawson, J. June 21, 1927. Fixed-chamber apparatus. -In apparatus for delivering measured quantities of liquid of tne kind in which a pair of calibrated chambers are adapted to be alternatively filled and emptied by the operation of change over mechanism which may be actuated either automatically or by hand and wherein air is supplied under pressure to the chamber for the purpose of accelerating the discharge, a pump is provided having one set of working compartments which supply liquid to the containers and another which supplies air under pressure. A semi-rotary pump has a vane 2 which with fixed valve blocks 3, 4 divide the casing into fluid chambers 6, 7, 8, the former of which are interconnected, and an air chamber 5. During the clockwise movement of the vane air is drawn past a non-return valve 13 into the chamber 5 and is expelled therefrom during the counter-clockwise movement past the non-return valve 14. Liquid during the preceding counter-clockwise movement is drawn into the chambers 6, 7 and is delivered past the flap valve 21 into the delivery passage 16 the chamber 8 being oppositely filled and emptied of liquid. In an alternative construction, the pulsations of the liquid delivered by the pump 33, Fig. 5, cause a piston 36, controlled by a spring 37 and working in a cylinder 38 to be reciprocated and thus causes puffs of air to be delivered past a non- return valve 42<1> to the bridge piece over the calibrated chambers. A float chamber 42 receives liquid which may leak past the piston 36 as well as liquid which may pass back from the chambers. When the chamber is full, the float 43 rises and delivers the accumulated liquor back to a reservoir. Specification 287,589, [Class 69 (i), Hydraulic apparatus &c.], is referred to.
Patent GB-828474-A (GB)
Title: Centrifuge for removing water from fine-grain material
IPC: B04B3/06
Filed: 1957-05-24
Abstract: 828,474. Centrifugal strainer separators. KLOCKNER-HUMBOLDT-DEUTZ A. G. May 24, 1957 [Sept. 7, 1956], No. 16549/57. Class 46.  A hollow shaft consisting of a part 15, including a collar 19, ring 21, annular disc 22, and a part 16, is rotated about a stationary central shaft 14 by a motor 62. The disc 22 secures in the ring 21 an outer metal sleeve 24 vulcanized to an annular rubber block 23, vulcanized in turn to an inner metal sleeve 25 secured by its flange 27 to the base plate 3 of a sieve drum 1 to effect rotation but permit vertical vibration of the latter. The sieve drum 1 is vibrated by a motor 65 via an eccentric 30 and a connecting rod 29. A hollow truncated cone 8 is secured to the outer edge of a flange 5 on the base plate 3. A concentrated slurry of course coal is fed at 72 into the sieve drum 1. Liquid is collected in a stationary container 51 and discharged at 73, while the coal discharges over a flange 53 into the free space 67 and bunker 60. A plurality of rubber blocks may be provided in place of the annular rubber block 23.
Patent GB-1176655-A (GB)
Title: Liquid-Liquid Extraction of Reverberatory and Converter Slags by Iron Sulphide Solutions.
Inventor: THEMELIS NICKOLAS JOHN
IPC: C22B15/00
Filed: 1966-04-15
Abstract: 1,176,655. Recovering copper valves. NORANDA MINES Ltd. 31 March, 1967 [15 April, 1966], No. 16590/66. Heading C1A. A process for recovering non-ferrous metal from molten iron silicate slags comprises contacting successive slag portions with a molten sulphide material selected from molten ferrous sulphide and a molten sulphide matte of the non-ferrous metal, each slag portion having a higher non-ferrous metal content than the non- ferrous metal content of the slag portion when in equilibrium with the molten sulphide material, while maintaining the temperature of the molten sulphide material and the slag sufficiently high to produce a fluid melt, which facilitates the mixing and subsequent separation of the slag and the molten sulphide material, thereby reducing the non-ferrous metal content of the slag portion while increasing the non-ferrous metal content of the molten sulphide material, separating each depleted slag portion from the enriched molten sulphide material and subsequently recovering non-ferrous metal from the molten sulphide material. The molten mixture may be agitated by the introduction of a reducing gas (which can reduce the magnetite present) or of air, steam, a steam-propane mixture or nitrogen. The molten sulphide material may be charged at intervals with pyrites, which may have been separately smelted to yield molten ferrous sulphide. Results of copper extraction values are given for samples of molten reverberatory slag (0.3% copper) in contact with various grades of copper matte. The process can also be used to extract other metals, particularly nickel and cobalt.
Patent GB-129880-A (GB)
Title: An Improved Sling or Grip for Handling Casks, Barrels, or the like Receptacles.
Inventor: DOYLE FELIX
IPC: B66C1/12
Filed: 1918-10-12
Abstract: 129,880. Doyle, F. Oct. 12, 1918. Slings.-A sling for lifting casks &c. comprises a saddle 2 curved to fit the cask and having splayed arms 1 eyeletted at both ends, chains 5 from the crane hook ring 6 passing through the widely spaced eyelets 7, under the cask, and being secured to the closely spaced eyelets 3. The saddle may be provided with a handle 9 and the chains provided with stops (not shown), to prevent the chains when unloaded, running through the eyelets 7 and closing the loops.
Patent GB-860542-A (GB)
Title: The separation of silver halide from aqueous dispersions
Inventor: NASH JAMES GENTLE
IPC: C01G5/00
Filed: 1956-05-29
Abstract: A method of separating finely-divided silver halide from an aqueous liquid also containing gelatine comprises adding to the liquid an activated sodium silicate solution, dissolving an inert gas in the liquid under pressure and maintaining the pressure thereon, then adding to the liquid sufficient alkali metal hydroxide solution to produce flocculated siliceous particles, reducing the pressure sufficiently to release some or all of the dissolved gas either after or immediately before adding the alkali metal hydroxide, allowing bubbles of gas to carry the siliceous particles and the silver halide to the surface of the liquid and then removing the siliceous particles and the silver halide from the surface of the liquid.  The sodium silicate solution is activated by acidifying, preferably with hydrochloric acid, to initiate micelle formation.  The method is applicable to the recovery of silver halide from waste resulting from manufacturing and coating photographic silver halide emulsions.  The mixture of silver halide and siliceous material obtained by the method may be treated to obtain metallic silver therefrom.  The inert gas employed in the method may be air while, in some cases, methyl alcohol or a wetting-agent such as "Lissapol" (the word "Lissapol" is a Registered Trade Mark) may be added to the aqueous liquid to assist separation of the silver halide.  A specific silver halide mentioned is silver chloride.  Apparatus for carrying out the method of the invention is described.
Patent GB-1096439-A (GB)
Title: Hypodermic needle device
Inventor: TICEHURST WILLIAM FREDERICK
IPC: A61M5/32
Filed: 1966-04-15
Abstract: 1,096,439. Hypodermic needle accessory device. ARMOUR PHARMACEUTICAL CO. Ltd. April 15, 1966, No. 16639/66. Heading A5R. A thermoplastic body is injection moulded in one piece around one end of a hypodermic needle to give a device having a socket, which socket is of the type commonly known as a Luer socket and is in communication with the needle, and wings which enable the device to be retained in position on a patient. The needle is cranked, for example at an angle of from 15‹ to 90‹, to prevent the needle from being separated from the thermoplastic body. As illustrated in Figure 2, thermoplastic body 10 is moulded around one end of needle 11 which is cranked adjacent socket 14 so that the cranked end of the needle extends into the base of the socket. Wings 26 may be channeled, for example by ribs 28, to accommodate means, for example standard half-inch adhesive tape, for strapping the device in position. A removable resilient cap (not shown) may cover the exposed end of the socket, being removably held by lip 15 of cylindrical wall 16 of the socket; the cap may be made of self-sealing rubber thereby to provide means by which a further hypodermic needle can be aseptically inserted into the socket. A removable sheath (not shown), preferably made of the same material as the thermoplastic body, may enclose the exposed end 20 of the needle, being removably held by the shoulder 22 of the cylindrical portion 25 of the body. The body may be made from low density polyethylene, polypropylene, polystyrene, nylon or acetal resin, the material preferably having such flexibility as to enable the wings to conform to the contours of the surface, for example the back of the hand, of the patient. The device may be supplied in a removable envelope after being sterilised by gamma irradiation.
Patent GB-1490277-A (GB)
Title: Woodwork moulding machine
IPC: B01J23/36
Filed: 1975-04-22
Abstract: 1490277 Rotary cutters WADKIN Ltd 6 April 1976 [22 April 1975] 16695/75 Heading B5L A woodwork moulding machine has a rotary cutter with integral stub shaft, means on the stub shaft providing a male tapered surface 10 and means for drawing the surface 10 into a complementary spindle socket 6. The surface 10 may be formed on the stub shaft or provided by a collet mounted on a cylindrical portion thereof. The draw means may comprise a drawbar 7, Fig. 1, extending through the machine spindle 3, a bolt 27, Fig. 7, passing through the cutter, complementary threaded portions on the stub shaft and spindle socket, or, where the tapered surface forms part of a collapsible collet, a screwed cap nut adapted to bear on the collet.
Patent GB-871631-A (GB)
Title: Self-excited compound alternator
IPC: H02P9/32
Filed: 1959-05-15
Abstract: 871,631. Alternators; automatic voltage control systems. KABUSHIKI KAISHA MEIDENSHA. May 15, 1959 [May 16, 1958], No. 16704/59. Classes 35 and 38 (4). In a self-excited compound alternator having a field winding 2 supplied via a rectifier set 3 with direct currents which are proportional to the alternator output current and voltage and are respectively produced by a current transformer 6 connected in the alternator output lines and an air gap type reactor 4 connected to the alternator output terminals, there is provided a separate saturable reactor having main windings 9 connected to the rectifier set input terminals and a D.C. exciting winding 9a connected across the alternator output terminals via a voltage detector 7 and another rectifier set 5.
Patent GB-966566-A (GB)
Title: Improved rail wheel
IPC: B60B17/00
Filed: 1961-05-08
Abstract: 966,566. Railway wheels. T. WATT. May 8, 1961 [May 8, 1960 ; July 27, 1960], No. 16707/61. Headings B7C and B7L. A railway wheel comprises separate cast rim and hub portions 3, 2, bolted together by circumferentially spaced transverse bolts 9 passing through lapped co-extensive radial flanges 8, 4 of the rim and hub portions, the circular edge surfaces 24, 23 of the flanges 8, 4 locating with circumferential surfaces of the hub and rim respectively. The rim may be attached to either side of the hub flange 4, and the hub may have an axial extension 14 at one end to receive the inner race of an inboard or outboard bearing 16. Alternatively, the bearings 16 may be mounted directly on the axle 1 on which the hub is press fitted. The rim may be shaped as shown in Fig. 3, and to obviate machining, a Z-section annular packing strip 20 of ductile material may be inserted between the two parts as shown in Fig. 4. Additionally, spacing washers 25 may be provided between the flanges 8, 4 for axial adjustment of the rim relative to the hub. The hub 2 may be axially located on the axle 1 by a circlip 27 as shown in Fig. 7. Fig. 6 shows a hub extended at each end to provide integral stub axles 1a for mounting in a bogie frame. A brake drum 30 being secured to the hub flange opposite the rim by the same securing bolts 9.
Patent GB-274269-A (GB)
Title: Improvements in and connected with electric cables
IPC: H01B7/02
Filed: 1926-07-05
Abstract: 274,269. British Insulated Cables, Ltd., and Nisbett, G. H. July 5, 1926. Insulating coverings for cables and conductors: processes for making. - In the manufacture of paper-insulated high tension electric cables, the paper after being dried, and either before or after impregnation, is consolidated by pressure and means are provided for maintaining it in the compressed condition in the finished cable. The compressing means may consist of a revolving die or other mechanical means and the pressure maintaining devices may consist of tapes of fahric, metal &c. Alternatively, the tapes may be applied under sufficient tension to produce and maintain the compression of the paper. When the tapes are of metal, spaces are left between the convolutions or perforations are provided to permit the subsequent impregnation.
Patent GB-551428-A (GB)
Title: Improved treatment of molasses for use in the manufacture of yeast and alcohol
IPC: C12N1/18
Filed: 1941-12-30
Abstract: 551,428. Purifying molasses. TRIGGS, W. W. (Standard Brands, Inc.). Dec. 30, 1941, No. 16780. [Class 127] Molasses is purified to render it more suitable for use in fermentation processes for the production of alcohol and yeast by heating it under pressure, allowing it to stand and withdrawing the supernatant liquid. The molasses may be diluted to 30 to 50‹ Balling and the pH adjusted to 4 to 6. After the pressure treatment, the molasses may be further diluted with hot water and mixed with air before being allowed to settle. The supernatant liquid may be passed through a centrifuge.
Patent GB-964802-A (GB)
Title: Improvements in or relating to model engines
IPC: A63H33/28
Filed: 1961-05-09
Abstract: 964,802. Toys; vaporizing liquids. N. H. JAMIESON. May 8, 1962 [May 9, 1961], No. 16801/61. Headings A5G and A6S. A model engine comprises a sound box having compartments closed at least at one end by a diaphragm, each compartment accommodating at least one ball and the sound box being oscillated at a rate related to the speed of the engine so that the balls strike the diaphragm. The sound box 4 has a series of compartments 8 closed at one end by a mesh diaphragm 10b and at the other end by a paper diaphragm 10a. Each compartment has a ball 9. The box is mounted in a yoke 5 connected by rods 6, 11 to a crank 12 rotated by a pinion 13 driven by a gear-wheel 14 on an axle 2 of the engine tender. As the wheel rotates, the box is reciprocated and the balls roll to and fro striking each diaphragm in turn and producing a chufling sound. A further rod 6 is connected to a bellows 15 supported by a plate 16. Air ejected from the bellows passes along a flexible tube 17 to a generator 18 in which is a capillary tube 19, one end of which dips into a vaporizable liquid 20 and the other end being surrounded by an electric heating coil 21 so that puffs of smoke are emitted. In modifications, the sound box may be mounted on a connecting rod and crank and movable to and fro on rails or may be mounted on a piston-rod supported in bearings. The sound box may be mounted on a vertical pivot and rocked about the pivot. The sound box may be mounted inclined to the vertical, the compartments being horizontal and the box being of wire mesh. The sound box may be rocked electromagnetically, electric contacts being operated by a cam mechanism associated with the tender wheels. Two sound boxes may be combined. The bellows 15 may be replaced by a cylinder and plunger.
Patent GB-624278-A (GB)
Title: Improvements in or relating to thread-cutting devices
IPC: D05B65/00
Filed: 1947-06-26
Abstract: 624,278. Sewing-machines. BRITISH UNITED SHOE MACHINERY CO., Ltd., and HAZELTON, G. June 26, 1947, No. 16826. [Class 112] Thread-cutters.-Movable means adapted to engage the thread before it is severed by a knife are provided to ensure that the thread is properly placed for cutting. The device is particularly adapted for chain-stitch shoe-sewing machines, in which it is required to cut one limb. of the thread loop held by the needle, close to the work. In the embodiment shown, applied to a machine of the kind described in Specification 21786/02, [Class 112], a knife 45, Fig. 4, having a point to enter between the limbs of the thread loop and a sharp edge 77 on one side (the other being blunt), is adjustably clamped by a screw 47 in a channel in a block 37 and two thread-guide members 71, 73 are pivoted to lugs on the block; these members are connected, to move together, by a pin and notch 74, and are pressed towards each other by a spring plunger 75 acting on the member 73. The member 73 is recessed to receive the knife, and may contain an oiled felt pad for lubricating the cutting edge. The position of the knife 45 may be determined, in order to permit exact replacement after removal, e.g. for sharpening, by a shoulder near its fixing end engaging a shoulder on a member 55 adjustably secured to the block 37. The biock 37 is adjustably fixed to a bar 13, Fig. 1, of which the upper end slides in a slot 5, with adjustable stop 11, and which is pulled down by a lever 21 actuated by a push-button-controlled solenoid 29 ; a spring 31 raises the bar 13 when the solenoid is de-energized. To prevent action of the threadcutter while the machine is operating, the starting treadle actuates a switch to open the circuit of the solenoid.
Patent GB-1465462-A (GB)
Title: Sheet-fed rotary printing machine
IPC: B41F21/00
Filed: 1975-04-23
Abstract: 1465462 Rotary printing HEIDELBERGER DRUCKMASCHINEN AG 23 April 1975 [24 April 1974] 16832/75 Heading B6C A sheet-fed rotary printing unit comprises means for transferring sheets from one impression cylinder to another for first or perfection printing, and means to convert from firstto perfection-printing and for format adjustment. For perfection printing.-A pinion 51 is moved into engagement with the driving gear 53 of a storage drum 5 by an adjusting shaft 44 which is also used to move a turning drum 6 to its starting position, at which it is released from neighbouring units while the drive gear 68 is turned to the perfection position. This position is found by a drop-in pin which springs into a hole and then the rear edge 26 of a sheet is engaged in grippers on drum 6 which is then retightened for perfection printing to begin. Format adjustment.-Stop recesses 30 on claws 29 are manually engaged with a bar on segments 11 of the storage drum 5, this releases limit switch 36 which removes safety magnet plunger 56 thus allowing pinion 59, on shaft 44, access to a toothed segment 60 which achieves the required format by moving storage drum segments 8. A common slide scale device on the outside of drive gear 68 indicates the relative dispositions of the drums and of the storage drum and sheet support means. Segments 8 which were loosened for adjustment are fixed by tightening clamping nuts 19.
Patent GB-488753-A (GB)
Title: Mechanical toy in the form of a soldier throwing a hand-bomb
IPC: A63H13/02
Filed: 1937-06-17
Abstract: 488,753. Toys. ARNOLD, C. June 17, 1937, No. 16846. [Class 132 (iii)] A toy soldier a has an arm f fixed on an axle d to which is keyed a disc g having a projection i for compressing the coiled spring k against an extension l of the bracket b and having a notch h with which engages the nose q of the lever n under the control of the spring r. A hand-bomb p is loosely held in a tubular holder o fixed on the inner face of the hand of the arm f. When the lower end of the lever n is depressed the arm f rotates under the action of the spring k to throw the hand-bomb p. A stop s is fixed on the toy figure to stop the arm f.
Patent GB-732658-A (GB)
Title: Improvements in capping machines
Inventor: BLACKSHAW JOHN EDWARD
IPC: B67B3/20
Filed: 1950-07-06
Abstract: 732,658. Applying screw-caps to containers. PETERS & CO., Ltd., G. D. Oct. 1, 1951 [July 6, 1950], No. 16893/50. Class 125 (2). Containers 5 pick up screw-caps 7 from the open end of a shoot 6 and are moved by a conveyer 4 between pairs 8, 9, 10 of tightening rollers engaging opposite sides of the cap and arranged in tandem, the containers being gripped by belts 11, 12, 13, 14 moving at the same speed as the conveyer 4. The caps are provisionally tightened by an adjustably-mounted rail 25. The rollers 8, 9, 10 on each side of the conveyer 4 are mounted in casings 21, 22 which can be pivoted up for inspection and are vertically adjustable. The rollers are each driven by a worm drive from a shaft 24 common for each side and driven by a motor 31 at each side of the machine. The roller units and associated motors can be adjusted transversely of the machine. More than three pairs of tightening rollers may be provided. The machine is provided with a cross-thread rectifying device as described in Specification 732,653. Specification 682,416 also is referred to.
Patent GB-965488-A (GB)
Title: Improvements in and relating to heat exchange elements
IPC: B21C37/22
Filed: 1962-05-03
Abstract: 965,488. Heat exchanger tubes. F. ROFFELSEN. May 3, 1962 [July 18, 1961], No. 17036/62. Heading F4S. [Also in Division B3] In making a heat exchanger element a wire helix having concavely arcuate parts in the turns is secured to a flexible metallic strip supporting solder, the unit so formed is applied helically to a tube with the strip between the wire helix and the tube and heat is applied to solder the wire helix to the tube through the concavely arcuate parts. The wire helix 4, Fig. 1, may be soldered or welded to a strip 6 of wire fabric prestressed longitudinally and impregnated with solder so that when the helix and strip are helically wound on to a tube and heated, the strip contracts and the solder bonds the strip to the helix and to the tube. The support may alternatively be a thin metal strip having slots extending alternately from its opposite edges and the slots accommodate solder. The support may alternatively comprise a flat pressed hose 9, Fig. 4, of wire fabric or braid retained by solder impregnating the hose and the helix and support are wound helically on to a tube 11 and this tube is inserted into a heat exchanger tube 12 and the assembly heated so that the hose springs into contact with the inner wall of the tube 12 and when cool is soldered thereto and to the helix. The tube 11 is then withdrawn. To secure the wire helix to its support, the latter may be wound helically on a cylindrical surface of porcelain, glass, cast iron or chromium, a solder strip is wound thereon and over the solder is wound the helix and the assembly heated to melt the solder. Specification 965,489 is referred to.
Patent GB-146157-A (GB)
Title: Improvements in and connected with tread grips or anti-slipping devices for vehicle wheels
IPC: B60B15/00
Filed: 1920-06-24
Abstract: 146,157. Daimler-Motoren-Ges. Feb. 27, 1917, [Convention date]. Tyres, non-elastic.-Anti-slipping plates dare attached to the rim a by having hooked shaped inner edges d<1> which are adapted to embrace the projecting edges b of the rim, being introduced into opposed gaps c therein and then slipped round circumferentially. The plates have circumferential extensions f, f<1> which abut to space the plates. One or more of the plates is formed as a key member g which lies in the gaps c, and is held by a plate h and a screw stud i.