baber/WOPTO huggingface dataset:
Patent GB-179869-A (GB)
Title: Improvements in and relating to supports and extinguishers for lighted cigarettes
IPC: A24F19/14
Filed: 1921-08-22
Abstract: 179,869. Hipple, W. H. J. Aug. 22, 1921. Ash-trays; cigarette extinguishers.-A ring 1, Fig. 3, with bevelled upper and lower edges and tapered open sockets 2 may rest on a table or support or be inserted in an ash-tray 6. In a modification shown in Fig. 5, a ring 1<a> with a single tapered socket 2a is supported on legs or balls 3a.
Patent GB-251832-A (GB)
Title: Improvements in and relating to surgical needles
IPC: A61B17/06
Filed: 1925-09-07
Abstract: 251,832. Croad, A. K., (Davies & Geck, Inc.). Sept. 7, 1925. Needles to which thread end is secured.-A surgical needle is formed with a flattened rear end 6 which is closed around the ligature 12 and is so formed at the part 7 that, when so closed, the edges 8, 9 are brought into contact in a line continuous with the solid part of the needle. A needle blank is first formed with a die 2 to the shape shown in Fig. 3; the edges 8, 9 are then partly closed together, as shown in Fig. 10, and the ligature is then inserted after which the closing of the edges is completed, the metal preferably being slightly indented into the ligature.
Patent GB-1416102-A (GB)
Title: Analytical apparatus
IPC: G06T7/41
Filed: 1973-05-10
Abstract: 1416102 Image analysis apparatus ROBERT BOSCH FERNSEHANLAGEN GmbH 10 May 1973 [10 May 1972] 22365/73 Heading G1A A heterogeneous material is analysed in two dimensions by raster scanning the material to develop a video signal, applying the latter to a discriminator and developing a dot raster binary signal by clocking, the developed signal being applied to a series of delay and gating circuits which have the effect of scanning a notional two dimensional element (which can be of e.g. hexagonal, parrallelogram or straight line form) line by line over the material. Grain size analysis is then possible by erosion (when all dots within the element are high, output of circuit is high, so that all grains below element size are suppressed) or dilatation (or amplification) (when only one dot has to be high to give a high output signal). Combinations of erosion/dilatation are also possible. To produce a regular hexagonal element, the circuit of Fig. 2 (not shown) is used, which comprises a sequence of delay stages, for delaying the signal equally in three directions r 1 , r 2 , and r 3 , but for variation in the size and shape of the element, the circuit of Fig. 4 is used. The general principle involves a first delay device 9 which delays by n 1  times one dot raster period, a second 10 for delaying by n 2  lines plus <SP>n2</SP>/2 dot raster periods and a third 11 for delaying by n 3  minus <SP>n3</SP>/2 dot raster periods. Also included are AND gates 18, 19, 20 for combining the direct and delayed signals. This circuit effects erosion; for dilatation, negation stages are added, Fig. 5 (not shown); for combination techniques, switches are also provided, Fig. 6. (not shown) The system operates in association with interfaced raster scanning which repeats every four frames, Figs. 1, 8 (not shown). The first delay stage (r 1  direction) is effected by a shift register which is clocked, which is such as to alternate the start of the lines by ¢ dot raster period from one line to the next. Delay in the r 2  and r 3  directions is effected by a shift registers associated with flip flops, under the control of the clock and a further regular clock pulse series. Further modifications of these delay circuits are described with reference to Figs. 12, 14 and 15. (not shown). The use of MOS shift registers, connected in  parallel is described, Fig. 16.(not shown).
Patent GB-443135-A (GB)
Title: Improvements in materials for combatting pests
Filed: 1935-08-08
Abstract: Liquid hydrocyanic acid for use as a fumigant is absorbed into peat, which is stated to produce chemical stabilization of the acid.  The peat may be in the form of sods, grain, fibres, or powder and may be compressed into moulded shapes.  The usual warning substances may be added.ALSO:Liquid hydrocyanic acid for use as a fumigant is absorbed into peat, which is stated to produce chemical stabilization of the acid.  The peat may be in the form of sods, grain, fibres or powder or may be compressed into moulded shapes.  The usual warning substances may be added.  Known fumigants consisting of liquid hydrocyanic acid containing a stabilizer such as oxalic acid; and of burnt kieselguhr, asbestos, acidified active carbon, or acidified cellulose charged with the liquid acid, are referred to.
Patent GB-644964-A (GB)
Title: Improvements relating to protective systems for alternating current networks
IPC: H02H7/26
Filed: 1948-08-26
Abstract: 644,964. Protective cut-out systems. HODGKISS, J. W., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Aug. 26, 1948, No. 22520. [Class 38(v)] In a voltagebalance protective system for a section of an A.C. distribution network, to ensure that all the circuit-breakers controlling the section are opened in the event of an internal fault in the section, a D.C. supply is injected into the pilot circuit to operate a polarized relay at each end of the section, the relays completing the trip circuits of the circuit - breakers. The equipment used at each end or station A, B or C is the same and in the figures the same numerals are used to designate the corresponding component, the suffix a, b or c being used to denote the station at which the components are located. At each station is a primary protection induction type relay 11 having a field winding 14 and an operating winding 16, which is energized by a winding on the field magnet core and connected in series in the pilot circuit 31-33; a "send" relay 13, which when energized from a battery 19, opens its contacts 22 and closes contacts 21 to connect the battery in the pilot circuit; and a polarized "receiving" relay 12 connected in series in the pilot circuit with its restraining winding 27 supplied from a bridge connected rectifier 29, which has its A.C. terminals connected in parallel with the operating winding 26 which is in series with a choke 28. Assuming that an internal fault occurs which is fed mainly from station A, the windings 16 will be energized by the " out-of-balance " current in the pilot circuit and relay 11a will close its contacts 18a to energize the circuit breaker trip coil 8 from the battery 19a. The field windings 14b, 14c may be insufficiently energized to enable the operation of relays 11b, 11c. However, the closure of contacts 18a connects the coil 8, battery 19a and the coil of relay 13a in series, so that relay 13a is energized and closes contacts 21a to connect the battery 19a in series in the pilot circuit. The operating coils 26 of the relays 12 are energized by the D.C. current flowing in the pilot circuit and close their contacts 30. Trip coils 9, 10 are now energized by batteries 19b, 19c. A resistance 20 is connected in series with each battery 19 to limit the current flowing in the pilot crcuit should two or more relays 13 operate together, and a spark suppressor 23 is connected across the contacts of each relay 13. Specifications 298,994 and 298,995, [both in Class 38(v)], are referred to.
Patent GB-630397-A (GB)
Title: Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein
IPC: C07C7/14
Filed: 1947-08-13
Abstract: <PICT:0630397/III/1> A liquid chemical compound such as molten naphthalene is introduced into a stream of precipitating liquid; the crystals and liquid flow together while the crystals grow, they are then conveyed upwards out of the liquid and are washed by a further stream of liquid which mixes with, and is removed with, the first stream.  In crystallizing naphthalene the precipitating liquid may be methyl alcohol which also acts as solvent for impurities.  A crystallizing apparatus consists of a cooled tube 4 fitted with a helical blade conveyer, an inlet 5 for crude naphthalene, an inlet 6 for methyl alcohol and a chamber 3 from which the crystals are withdrawn by conveyer screw 13, being washed en route by methyl alcohol introduced through pipe 15, the methyl alcohol being withdrawn through exit 17.  Specification 628,403, [Group IV(b)], is referred to.ALSO:<PICT:0630397/IV (b)/1> Molten naphthalene is introduced into a stream of precipitating liquid which may also wash out impurities, such as methanol; the crystals and liquid flow together while the crystals grow, they are then conveyed upwards out of the liquid and are washed by a further stream of liquid which mixes with, and is removed with, the first stream.  A crystallizing apparatus consists of a cooled tube 4 fitted with a helical blade conveyer, an inlet 5 for crude naphthalene, an inlet 6 for methyl alcohol and a chamber 3 from which the crystals are withdrawn by conveyer screw 13, being washed en route by methyl alcohol introduced through pipe 15, the methyl alcohol being withdrawn through exit 17. Specification 628,403 is referred to.
Patent GB-294007-A (GB)
Title: Improvements in or relating to beaded welting for boots and shoes
IPC: A43B9/06
Filed: 1927-08-27
Abstract: 294,007. Whitney & Westley, Ltd., and Westley, F. R. Aug. 27, 1927. Connecting uppers to soles.-For waterproofing the joint between the welt and upper, a filling strip a is inserted, which strip projects slightly when attached, and after attachment is expanded to fill the corner between the upper and welt. Preferably, the strip is wedge shaped in cross section. It may be expanded by pressure, rolling, pounding, or wheeling. During or after this operation, regular parallel cross indentations are made along its edge to impart a finished appearance. The strip may be fed with the welt.
Patent GB-267170-A (GB)
Title: Frictional coupling operating also as a slipping device
IPC: F16D43/18
Filed: 1925-09-10
Abstract: 267,170. Bergsunds Mekaniska Verkstads Nya Aktiebolag, and Wersõll, K. J. Sept. 10, 1925. Clutches, friction; shaft couplings. - In expanding - segment clutches and slipping couplings comprising centrifugal or spring- pressed blocks free to oscillate laterally about their driving-pins, the driver member or the expanding members, or both, are provided with a groove or grooves extending circumferentially the full length of the member and on both sides of its central plane, in order that disintegrated particles between the friction surfaces may not scare circumferential scratches. Fig. 2 shows a form in which the driven ring 4 and the block 3, fitting loosely on a driving-pin 1, are respectively provided with grooves 6, 5, so that the contact surfaces 7, 8 are disposed laterally of the pin 1. The groove 6 alone may be employed, or the groove 5 alone, in which case it may approximate in width to the diameter of the pin 1. As shown in Fig. 4, the pin 1 bears against a part 9 of the block 3 which extends into the groove 6, but does not contact with the driven ring 4. In a modification. narrow central ribs of the parts 3, 4 make contact but this contact is stated not to affect materially the action of the main lateral surfaces 7. 8. In another form, the block is loosely engaged by a driving-pin parallel to the driving-shaft, and, as shown in Fig. 8, the pin 1<11> may be carried by a link 10; in these iorms it is stated that clearance around the pin allows lateral oscillation of the block 3. The grooves may be filled with graphite or other soft lubricant.
Patent GB-760864-A (GB)
Title: Improvements in or relating to rotary pumps
Inventor: WATSON RICHARD
IPC: F04D9/04
Filed: 1954-08-04
Abstract: 760,864. Rotary pumps. SUN ENGINEERING (RICHMOND), Ltd. Aug. 4, 1955 [Aug. 4, 1954], No. 22594/54. Class 110 (2). A rotary pump for producing foam comprises a pair of geared rotors b having fixed radial vanes d and co-operating grooves e, an inlet housing h, and an outlet having a pair of discharge conduits y. The inlet housing h has a water inlet j, a pair of foam producing compound inlet pipes on each side, and a pair of linked rotary disc valves i on each side for admitting air. The pump may be connected to a centrifugal pump. The inlet manifold may have a metal gauze for pre-mixing.
Patent GB-936990-A (GB)
Title: Separation of low boiling point impurities from hydrocarbons
Inventor: SPENCER DONALD
IPC: C07C7/04
Filed: 1958-07-15
Abstract: The process of Specification 892,113 in which low boiling impurities are removed from hydrocarbon mixtures by passing the crude mixtures through a vertical stripping device in countercurrent with steam and hydrocarbon vapours at a temperature below the boiling point of the hydrocarbon to be purified and above that of the impurities to be removed, and then passing the vapours rising from the stripping device through a rectifying column device above and communicating with the stripping device in countercurrent with water, and finally condensing the vapours in or after passing through the rectifying column, is modified by adding the step of recycling the condensed fraction collected from the rectifying column back as a reflux in counterflow with the vapours rising from the stripping device. The apparatus of Specification 892,113 is modified by adding a further rectifying device between the original stripping device and rectifying column so as to produce counterflow between the condensed fraction and the vapour discharged.  In an example, low boiling impurities, particularly carbon disulphide, are removed from a crude benzole.
Patent GB-830491-A (GB)
Title: Improvements in or relating to the manufacture of welded link chains
IPC: B21L11/14
Filed: 1957-07-18
Abstract: 830,491. Welding chains by pressure. TAYLOR & SONS (BRIERLEY HILL) Ltd., S., SMITH, D. A., and SHIRT, J. A. July 8, 1958 [July 18, 1957], No. 22731/57. Class 83 (4). In making a welded link chain from links each having a central cross-stud and comprising a number of parts which are resistance-welded together to form a complete link as the chain is built up link by link, each chain link is made from three separate parts, two similar solid U-shaped parts 10 and a solid straight rod 11 forming a centre stud, by placing the rod in an electrode 12 with its ends between the ends of the limbs of the two U-shaped parts held in other electrodes 13, and bringing the said other electrodes towards each other to bring the limbs into engagement with the ends of the rod to form resistance-welded joints. The rod 11, Fig. 2, is preferably shorter than the overall width of the U-shaped pieces so that initially the ends of the rod are fused into the limbs of the end parts and then the limbs also engage and fuse together. The two-part electrode 12 is closed by a fluid-pressure cylinder and pistons 14, 15, the two-part electrodes 13 are closed by fluid-pressure cylinders and pistons 16, 17 and the electrodes 13 are brought together by a fluidpressure cylinder and piston 18, 19 through links 20. If the welding current is a three-phase supply the electrodes are connected one to each phase, if a two-phase supply the electrodes 13 are connected one to each phase, with the electrode 12 connected to neutral and if a single-phase supply the electrodes 13 are connected in parallel to one phase and the electrode 12 to neutral.
Patent GB-636359-A (GB)
Title: Improved method of reducing glass friction
IPC: C03C25/40
Filed: 1947-08-15
Abstract: A glass surface is treated with an organosilicon compound having a hydrogen atom and also having one or more siloxy radicals or one or more hydrolysable radicals and a hydrocarbon radical containing a plurality of carbon atoms, attached to a silicon atom of the molecule, the valencies of said silicon atom being satisfied by said radicals.  The organosilicon compound may be an organo dihalosilane or a hydrolysis product thereof, e.g. a monoalkyl dichlorosilane or its hydrolysis product.  Specified are ethyl-, propyl-, lauryl-, stearyl-dichlorosilanes and their hydrolysis products and the hydrolysis products of phenyl, tolyl and benzyl dichlorosilanes. These compounds are advantaneously applied in the form of a dilute solution in volatile organic solvents such as liquid hydrocarbons, e.g. benzene.  Solutions containing as little as 0.01 per cent of the organosilicon compound may be used.ALSO:A glass surface is treated with an organosilicon compound having a hydrogen atom and also having one or more siloxy radicals or one or more hydrolysable radicals and a hydrocarbon radical containing a plurality of carbon atoms attached to a silicon atom of the molecule, the valencies of said silicon atom being satisfied by said radicals.  The organo silicon compound may be an organo dihalosilane or a hydrolysis product thereof, e.g. a monoalkyl dichlorosilane or its hydrolysis products.  Specified are ethyl, propyl, lauryl, stearyl dichlorosilanes and their hydrolysis products and the hydrolysis products of phenyl, tolyl, and benzyl dichlorosilanes.  These compounds are advantageously applied in the form of a dilute solution in volatile organic solvents such as liquid hydrocarbons, e.g. benzene.  Solutions containing as little as 0.01 per cent of the organosilicon compound may be used.
Patent GB-247106-A (GB)
Title: Improvements in centrifugal pumps
IPC: F04D29/22
Filed: 1925-09-12
Abstract: 247,106. Hutchison, H. Sept. 12, 1925. Rotary tube pumps; casings.-The rotor 5 of a centrifugal pump has one or more tubes 7 of suitable diameter extending from the axial inlet 2 to the periphery so that fluids or solids can travel from inlet to outlet through a practically continuous cylindrical passage. The rotor has a hollow boss 8 on the inlet side which engages in a recess in the casing 1, and a similar boss on the other side carries the shaft. Guide or bearing rings 10 to reduce the space between the rotor and the casing may be provided on the casing or on the rotor or on both.
Patent GB-464891-A (GB)
Title: Improved arrangements for actuating a power member in accordance with the movement of a control member
IPC: A61F5/24
Filed: 1936-08-19
Abstract: 464,891. Fluid - pressure servomotors. JUNKERS FLUGZEUG - UND - MOTORENWERKE AKT. - GES. Aug. 19, 1936, No. 22835. Convention date, Aug. 22, 1935. [Class 135] For a fluid-pressure servomotor comprising a power member such as the oscillating vane 6, Figs. 1, 2, in contact with a control member 3 over a cylindrical surface containing spiral control passages 30, 31, 30a, the control member 3 is moved in the direction of movement of the power member by one regulator 53 and in a direction transverse to the movement of the power member by another independent regulator 1. The apparatus may be used to regulate the fuel supply to an internal-combustion engine according to changes in engine speed and air density. The vane 6 is arranged in a housing 11 which it divides into two chambers 13, 13a and is unitary with a hollow shaft 5 containing the control valve 3 and two transmission members 41, 51. The shaft 5 operates the member to be adjusted through gearing 47, 48. A coupling 40 allows the valve 3 to rotate relatively to the member 41 whilst undergoing the same longitudinal movement. The member 41 is connected to a diaphragm regulator I and is held against rotation by a flat extension projecting through a slotted plate 42. The other transmission member 51 is non-rotatably connected to the valve by a tongue and slot arrangement 50, 55 and is held against axial movement by the hub of a hand or other regulating arm 53. The passages 30, 30a in the valve 3 are open at one end and communicate continuously with a pressure medium supply pipe 22 whilst the central passage is open only at the opposite end and communicates continuously with an exhaust pipe 15. The chambers 13, 13a communicate with the control passages by radial ducts 35, 36 respectively, these being blanked off as the vane follows up the movement of the control valve, Fig. 6 shows a modification having the power member formed as a piston 61 movable in a cylinder 62. A control valve 71 capable of rotational movement under the control of a regulating arm 78 splined thereon and also of axial movement under the control of a regulator connected thereto by a link 82 is mounted axially in a hollow piston rod 60 connected at its end 67 to the member to be operated. Spiral passages 97, 98, 97a similar to the passages 30, 31, 30a are formed in the piston rod and coact with radial passages 95, 96 in the valve 71 continuously in communication with exhaust and supply pipes 99, 100, respectively. Channels 91 ... 94 connect the passages 97, 98, 97a with the chambers 113, 113a on opposite sides of the piston 61.
Patent GB-1503688-A (GB)
Title: Recovery of solvents employed in the production of isocyanates from esters of carbamic acids(urethanes)
IPC: B01D3/00
Filed: 1975-05-23
Abstract: 1503688 Isocyanate preparation; solvent recovery ATLANTIC RICHFIELD CO 23 May 1975 [5 July 1974] 22880/75 Heading C2C In a process for preparing an organic isocyanate by thermally decomposing at least one ester of a carbamic acid in an inert reaction medium solvent to produce an isocyanate having a b.p. of 375 C. or below and a corresponding alcohol having a b.p. of 325 C. or below and removing the isocyanate and alcohol as overhead in the vapour phase with a carrier agent selected from inert solvents having a b.p. of 350 C. or below and less than the isocyanate product, inert gases and mixtures of solvents and gases; the inert reaction medium solvent together with isocyanate and urethane values contained therein is recovered from the resulting thermal reactor bottoms, by stripping at from 175 to 350 C. with an inert stripping agent selected from inert solvents having a b.p. below the isocyanate product, inert gases and mixtures of inert solvents and gases, the reaction medium solvent having a critical temperature of at least 175 C. and a b.p. below 400 C. and above that of the isocyanate product, carrier solvent and stripping solvent.
Patent GB-242399-A (GB)
Title: Improvements in and relating to spring mattresses, seats, cushions and the like
IPC: A47C23/053
Filed: 1924-09-29
Abstract: 242,399. Nolon, J. R. Sept. 29. 1924. Mattresses.-A spring mattress comprises helical springs a, clips b connecting the outer convolutions of said springs at diametrically opposite points, and springs c disposed between and having their ends firmly held by the clips. The interconnecting springs c may be in a continuous length, Fig. 3, having helices formed thereon at'suitable intervals, and those in the upper surface of the mattress may be arranged at right angles to those in the lower surface.
Patent GB-437471-A (GB)
Title: Improvements in and relating to tobacco pipes
IPC: A24F1/08
Filed: 1934-08-08
Abstract: 437,471. Tobacco pipes. FALCONAR, G. M. G., 25, Maiden Lane, Bedford Street, London. Aug. 8, 1934, No. 22929. [Class 130] A tube A<1> projects from the stem of a pipe into a nicotine intercepting chamber E and is provided with a conical part B or a flanged cylindrical part which when inserted in the stem makes a watertight joint. The end C of the tube may be flanged to facilitate cleaning. In a modified construction the cylindrical part is inserted in the chamber E.
Patent GB-428989-A (GB)
Title: Improved roll of photographic film which is to be separated into lengths
IPC: G03C1/765
Filed: 1934-08-09
Abstract: 428,989. Photographic roll - films. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. Aug. 9, 1934, No. 23052. Convention date, Aug. 19, 1933. [Class 98 (i)] In a roll of film without backing paper, which is to be separated into shorter lengths for loading into a miniature camera, the places which are to become the ends of the several lengths are shaped, without removing any film material, by means of one or more slits in the film material which terminate short of the edges of the film or short of each other. As shown in Fig. 1, slits 1 and 2 are made along the lines of severance, and separation is effected by breaking the film at the narrow necks AB and CG. In a modification the curved slit is continued to the edge of the film at G, and three straight slits D, E, F, Fig. 2, are made at its base, separation being effected by breaking the film between its edges and the points D, E, F.