baber/WOPTO huggingface dataset:
Patent GB-1365819-A (GB)
Title: Broaching tools
IPC: B23D77/02
Filed: 1972-02-02
Abstract: 1365819 Broaching tools LAPOINTE MACHINE TOOL CO Ltd [trading as STAVELEY-LAPOINTE MACHINE TOOLS (WATFORD)] 1 Feb 1973 [2 Feb 1972] 4901/72 Heading B3L A broaching tool has a roughing section 1 with annular sets 4 of helically disposed cutting teeth of progressively increasing diameter for generating an internal helical groove; and a finishing section 2 having annular sets 13 of helically disposed cutting teeth of uniform diameter but successively increasing in width to finish the involute suface of the helical groove wherein the finishing section consists of a cylindrical spigot 6 detachably secured at its ends to the roughing section and a tail section 3, a plurality of removable cutting rings 13 keyed on the spigot and having form relieved cutting teeth and a plurality of removable spacing rings 14, 15, 16, 17 also keyed on said spigot and separating the cutting rings from each other and from the roughing and tool sections. The finishing section is properly located relative to the roughing section by the forward end of a key 11 on said spigot entering a slot in the rear end of the roughing section.
Patent GB-328358-A (GB)
Title: Improvements relating to fluid pressure current motors
IPC: F03D3/06
Filed: 1929-02-14
Abstract: 328,358. Bunkall, H. Feb. 14, 1929. Current motors.-A series of rotors A have vanes a<2> fixed at right-angles to each other on shafts a<1> and drive a central shaft D through pulleys and belt or other drives. Vanes travelling with the impelling fluid are held in upright positions by the opposite vanes bearing on the rotors A. Back pressure on a vane turns in into the plane of the rotor and in so doing raises the opposite vane into driving position. Vanes on successive tiers may be staggered. In a modification the vanes are connected in pairs by links, around a revoluble tube.
Patent GB-365370-A (GB)
Title: Improvements in or relating to lapping, stranding and winding machines
IPC: B65H63/00
Filed: 1931-02-17
Abstract: 365,370. Stop motions for yarn winding machines. LARMUTH, J. H., Hill Crest, Upper Colwyn Bay. Feb. 17, 1931, No. 4952. [Class 120 (ii).] A stop motion for a lapping, stranding, or winding machine is operated either upon breakage of the covering or other material or upon reduction of the material upon the supply bobbin to a predetermined diameter. A rod 20 for operating a trip member 32 is normally held by the sides of a slot in a sliding plate 18. The plate 18 has a lug 28 and a lateral projection 22 having a cam face 23 so that it can be moved to release the rod 20 either by a projection 12 upon an arm 9 which rests on the supply 4 of material, or by the movement under centrifugal or other force of an arm 24 around which the material is led. The material may also be led over a spring-pressed roller 48, so that the sliding plate 18 can be actuated when the tension in the material becomes excessive. The arm 9 is preferably held against the supply 4 by the spring 13 controlling a brake band 14 encircling a drum connected to the supply bobbin.
Patent GB-114216-A (GB)
Title: Improvements in and relating to Detachable Drawers.
Inventor: MAYNE LEANDER MEREDITH
IPC: A47B88/60
Filed: 1917-04-05
Abstract: 114,216. Mayne, L. M., Smith, R. A. W., and Mayne, C. April 5, 1917. Drawers.-A drawer is fitted with guiderollers which serve also as stops but can be moved out of the way to permit the withdrawal of the drawer from its casing. The drawerguides 8 with which the guide-rollers en. gage are formed of metal blanks slotted to form guideways which bend upwards at 11. At the front ends of the guides 8 are rollers 15 carried by brackets 12. Guide-rollers 16 run in the guideways and are carried by brackets 20 hinged at 18 to plates 19 so that they may be turned inwards to allow the drawer to be completely withdrawn. The brackets 20 are held in their outwardly turned positions by braces 25 pivoted on bolts 26. A modified form of guide-strip is shown in Fig. 11 which may have secured to the outer end a Z-shaped member 33, Fig. 10, which serves as a stop and as a bearing for the roller 15. A further modification, shown in Fig. 15, is provided with a stop 49. A modified method of supporting the rollers 16 is shown in Figs. 12 and 13 in which an arm 46 carrying the roller has mounted therein a shank 42 on which is mounted a toothed wheel 43 engaging a rack 40 on a plate 36 fixed to the drawer and having a slot 39 through which the shank passes. The shank may be rotated and locked to adjust the position of the roller 16 by the manipulation of wing-nuts 45.
Patent GB-977520-A (GB)
Title: Improvements in or relating to resin exchange cells
Inventor: SPENCE ROBERT
IPC: C22B60/02
Filed: 1956-02-17
Abstract: Uranium is extracted from sea-water by allowing a turbulent stream to wash through a cell composed of a film of ion-exchange on a backing of glass or polymethyl methacrylate. Arrangement of films are described with reference to Figs. 1-4 (not shown).
Patent GB-326954-A (GB)
Title: Improvements in or relating to instruments for testing or comparing the physical properties of soil
IPC: E02D1/02
Filed: 1929-02-14
Abstract: 326,954. Williams, Sir E. O. Feb. 14, 1929. Testing physical qualities of soil. - Means for testing physical qualities of soil comprise two tubes a, b, detachably connected by a. collar d adapted to receive stationary or falling weights, a plug c being fitted into the lower tube. A plug f is also provided in the upper tube and holes g to receive guy ropes. The tubes may be graduated and slotted weights may be used.
Patent GB-573568-A (GB)
Title: Improvements in or relating to electro-magnetic razors
IPC: B26B21/38
Filed: 1942-04-16
Abstract: 573,568. Sharpening razor blades. CLOUEZ, A. P. April 16, 1942, No. 5068. Convention'date, March 19, 1941. [Class 60] [Also in Group XIV] In an electric razor in which a two-edged flexible blade 1 is oscillated approximately in its own plane in a direction at right angles to its edges, the blade can also be sharpened by removing the face-contacting stirrup and substituting a whetstone 37 of hard steel or cast material and provided with abrasive tips 38 or abrasive paper, the part 37 being adjusted by micrometer screws 36 to bear against the edges of the curved blade 1.
Patent GB-769933-A (GB)
Title: Improvements relating to cigarette and like holders
IPC: A24F13/16
Filed: 1955-02-21
Abstract: 769,933. Cigarette holders; smokers' ashtrays. SLEEMAN, W. G. R. Dec. 14, 1955 [Feb. 21, 1955], No. 5078/55. Addition to 743,399. Class 130 The finger loop of the parent Specification is formed as a leather or plastic pliable strip 5 collapsible against the under-surface of the holder 1 when not in use. The strip 5 slides in bridge pieces 7 or, according to the Provisional Specification, clips.
Patent GB-178990-A (GB)
Title: Improvements in levers or point boxes for operating switches on railways or tramways
IPC: H01H13/68
Filed: 1921-02-14
Abstract: 178,990. Williams, O. R. Feb. 14, 1921. Ground levers.-Railway and like points are operated by foot-levers which actuate a crank under the influence of a spring-controlled pin, the spring throwing the crank over when it has passed the dead-centre. The foot-levers J, J', Fig. 1, are connected to or integral with arms C<1>, C<2> on a crank C moving on a pivot B. A pin E is secured to an eye D<1> on the crank C and carries a spring G and a fulcrum block F, which is held in a strap. H secured to the top of the box A. The point-rod I is secured to an eye D on the crank C or to arms C<3> fitted alongside the crank. In a modification, Fig. 3, one foot-lever is used to actuate the points in either direction, and carries, or is formed as, a plunger N, which engages a lug K on the crank C. The compression springs G may be replaced by tension springs.
Patent GB-193848-A (GB)
Title: Improvements in stuffing boxes for the shafts of steam turbines
IPC: F01D11/00
Filed: 1923-02-21
Abstract: 193,848. Akt.-Ges. Brown, Boveri, et Cie. Feb. 21, 1922, [Convention date]. Cooling stuffing-boxes; connected to source of high pressure; packing, adjusting and compressing; packing, removable casings, containers, or carriers for.-In order to adapt a stuffing-box with ordinary deformable packing for use with a turbine &c. shaft, the box is insulated from the turbine casing and the packing is cooled and lubricated with water. A packing-container e is employed which is formed with a water-jacket f and is insulated from the turbine casing a by non- conducting material i, joint-making packing being inserted at h. To promote cooling, the packing c is of small radial depth and may be of cotton or hemp or soft metal in ring or granular form. The packing is lubricated by the condensation water and excessive tightening of the packing is prevented by springs k interposed between the tightening nuts and the gland. The Specification as open to inspection under Sect. 91 (3) (a) states that the insulation i may be replaced by an air space and describes an ordinary stuffing-box containing a lantern ring supplied with condensation water. This subjectmatter does not appear in the Specification as accepted.
Patent GB-808382-A (GB)
Title: Means for supporting flags
IPC: B63B15/00
Filed: 1956-02-20
Abstract: 808,382. Supporting flags. SKEY, E C. C. Feb. 12, 1957 [Feb. 20, 1956], No. 5196/56. Class 93 A wire frame for a boat flag or yacht racing pennant adapted to rotate on a staff comprises, as shown, a single piece of wire bent to form a loop C on one side and supports G, E1 for the leading edge and the top of the flag on the other side of the points of attachment to the staff, and is attached to the staff by a loop F at the bottom and on clip B and screw A at the top, such that the relative proportions of the loop C and the part E1 may be adjusted to secure an exact balance.
Patent GB-924076-A (GB)
Title: Improvements in or relating to ladders, gangways and the like
Inventor: LINKLETER COLIN LEADLEY
IPC: E04F11/025
Filed: 1961-02-13
Abstract: 924,076. Ladders. LINKLETERS PATENT SHIP FITTINGS Ltd. Dec. 18, 1961 [Feb. 13, 1961], No. 5200/61. Class 20 (2). [Also in Group XXXIII] The steps of a ladder each comprise two or more tread surfaces 12-14 at an angle to one another so that a suitable tread is available whatever the angle of the ladder to the ground. The treads are bent from a single strip of metal and riveted to four angle-bar stringers 10.
Patent GB-789775-A (GB)
Title: Fluid reaction sustained and propelled aircraft
Inventor: LIPPISCH ALEXANDER M
IPC: B64C23/00
Filed: 1956-02-20
Abstract: 789,775. Aircraft. COLLINS RADIO CO. Feb. 20, 1956, No. 5207/56. Class 4. An aircraft comprises a forward body portion, two booms 21, 22 extending rearwardly therefrom and connected at the rear by an empennage 11, a plurality of control surfaces 24 pivotally supported between the booms on transverse horizontal axes, a pair of intake openings in the front of the body, a slot 43, 44, Fig. 4, in each boom, a duct 19, 18 connecting each intake with one of the slots, an axial blower 31, 32 in each duct, and driving means 39, 40 for each blower. As the blowers rotate, air is spilled downwardly through the slots, and the surfaces 24 can be adjusted to give a rearward component to the reaction. The cross-section of the blower decreases in the rearward direction. The booms 21, 22 may be inclined upwardly and rearwardly to give a rearward tilt to the spilled air.
Patent GB-1394941-A (GB)
Title: Automatic control system for blending liquids
IPC: G05D11/13
Filed: 1973-02-02
Abstract: 1394941 Automatic control of liquid blending SUN OIL CO 2 Feb 1973 [22 Feb 1972] 5246/73 Heading G3R A property of a blended liquid stream is measured and used to vary a set point which determines the proportion of one component admitted to the stream so as to maintain the magnitude of the property constant. Variation of the set point outside certain pre-set limits is automatically prevented. As shown, the Reid vapour pressure or octane number of a blended petrol stream 18 is measured by a sample analyzer 17 to produce a signal which determines the input flow of butane or a lead compound respectively. The magnitude of the analyzer signal on line 19 controls the number of pulses transmitted by a control unit 3 from a constant frequency pulse generator 1 to a component set point line 4. These pulses are compared in a circuit 5 with pulses from a flowmeter 11, the frequency of which represents the magnitude of component flow. Any pulse frequency difference causes a motor 7 to drive a valve 9 to a new setting which tends to regulate the property sensed by the analyzer 17. The unit 3 is formed of printed circuit boards and includes counters and logic elements. A dead band arrangement is included, and when the counters reach upper or lower pre-set limits audible and visible alarms are actuated and the counters, which determine the set point signal on line 4, are inhibited from counting further in the direction in which the limit was reached. The counters are manually pre-set and change their outputs in response to clock pulses unless inhibited by the dead band or count limit circuits.
Patent GB-714628-A (GB)
Title: A process for the polymerisation or copolymerisation of substances having one olefinic bond and the resulting polymers
IPC: C08F2/24
Filed: 1952-02-28
Abstract: Substances with one olefinic bond are polymerized or copolymerized in a system having a continuous phase which comprises an aqueous solution of an emulsifier and a discontinouus phase which comprises the olefinically unsaturated substance or substances, the concentrations in the aqueous phase of polymer and monomer at the end of polymerization being respectively less than 10 per cent. by weight and less than 7 per cent. by weight.  The monomer may be emulsified in the aqueous phase or there may be p  utilized a process in which an upper layer of monomer rests on the aqueous phase in which by stirring, drops of monomer are flung from the upper layer into the aqueous phase.  The process of Specification 687,984 may also be used.  Polymerization may be carried out in a batch or continuous process.  Monomers specified are vinyl chloride, vinyl acetate, styrene, methyl acrylate and methacrylate, vinylidene chloride and methacrylonitrile.  In Examples, sodium mersolate is used as emulsifier, the catalyst employed is potassium persulphate or ammonium persulphate, the latter being used in conjunction with sodium sulphite, and sodium bicarbonate is also present in the aqueous phase.  Specifications 643,169, 707,115, 707,116, and 707,117 also are referred to.
Patent GB-219352-A (GB)
Title: Improvements in adsorbent materials and the manufacture and application thereof
IPC: C01B33/152
Filed: 1923-02-23
Abstract: Silica gel free from alkali compounds is prepared by hydrolysis of silicon compounds such as silicon chloride, other silicon halogen compounds, or silicon sulphide.  For example, silicon chloride is mixed wth water in such proportions that the mixture sets to a jelly, which is then washed and dried.  The dried material may be heated without injury to 900-1000 DEG  C. and is particularly suitable for separating carbonaceous constituents from gases such as coal gas or coke oven gas as the gel can be regenerated by burning off the adsorbed impurities. Specification 136,543 is referred to.ALSO:Silica gel free from alkali compounds is prepared by hydrolysis of silicon compounds such as silicon chloride or sulphide or various silicon halogen compounds.  Silicon chloride is mixed with water in such proportions that the mixture sets to a jelly, which is then washed and dried.  The dried material may be heated without injury to 900-1000 DEG  C. and is particularly suitable for separating carbonaceous constituents from liquids or gases such as coal gas or coke oven gas as the gel can be regenerated by burning off the adsorbed impurities.  Specification 136,543 is referred to.
Patent GB-1465009-A (GB)
Title: Process and apparatus for concentrating dilute suspensions
IPC: B01D33/00
Filed: 1975-02-07
Abstract: 1465009 Rotary filter drum INSTITUT FRANCAIS DU PETROLE and SOSA TEXCOCO SA 7 Feb 1975 [13 Feb 1974] 5387/75 Heading B1D A rotary cylindrical filter drum comprises a perforated wall 1 covered with a filter cloth e.g. nylon, polyester or stainless steel 9 held in place by a helical winding 10 or an outer perforate support. The drum has an inclined axis and is fed through pipe 11 with a suspension (i.e. a cyanophyceae algae suspension) filtrate is collected in reservoir 12, concentrated suspension emerges over annular weir 6 into collector 1. Washing pipe 14 may back wash the screen, the washings passing into collector 15, or an internal wash pipe may be fitted. Baffles 16 assist in rotating the suspension at non centrifuging speeds. The filter cloth mesh may be 20-100 microns, and the filter can be used to concentrate algae suspensions.
Patent GB-1162111-A (GB)
Title: Improvements in or relating to Navigational Instruments
Inventor: THOMAS RICHARD ARTHUR
IPC: G01S1/04
Filed: 1966-02-08
Abstract: 1,162,111. Radio direction finding. R. A. THOMAS. 8 May, 1967 [8 Feb., 1966], No. 5467/66. Heading H4D. The Specification describes a direction finding display system wherein, from a determined magnetic bearing to a radio beacon the following displays and facilities are provided in a manner similar to V.O.R. presentation: (a) a TO/FROM indication relative to the beacon, (b) a desired track to beacon selector, (c) a LEFT/RIGHT indication relative to the desired track. In the arrangement of Fig. 1, a signal representing the aircraft's magnetic heading is fed from a repeater compass to the stator SA of a synchronous motor A. A signal similarly representing the relative bearing of the beacon is fed from direction finding apparatus to the rotor RA of the motor. The shaft 1 of the motor and two brushes 4 and 5 connected thereto take up an angular position representing the magnetic bearing of the beacon. A slip ring and brush 3 feeds D.C. current to the brushes 4 and 5. The desired track is set by rotating a control 9 which in turn rotates two contact plates 7 and 6 making respective contact with brushes 4 and 5. The plates comprise conductive parts shown shaded, with plate 7 having a resistance winding 10 connecting the two conductive parts 7L and 7R. The borders between the conductive and non-conductive parts of the two plates are mutually at right angles. The two conductive parts 7L and 7R connect via slip rings SL1 and SL2 with a bridge resistor assembly a, b and a LEFT RIGHT indicator LR1. The conductive half of plate 6 similarly connects with a solenoid TO/FROM indicator TF. Thus, the relative positions of shaft 1 and control 9 determines the position of brushes 4 and 5 on plates 7 and 6, such that if the angle between the beacon magnetic bearing and the desired track is less than + 90 degrees, brush 5 contacts the non-conductive part of plate 6 such that indicator TF is not energized and shows TO, and if said angle is very much less than + 90 degrees, brush 7 contacts the resistance 10 and a bridge circuit is set up, whereby indicator LR1 shows a LEFT or a RIGHT indication. Plates 6 and 7 and brushes 4 and 5 may be replaced by a variable capacitor assembly, Fig. 2 (not shown), using alternating current, or by a system of photo-cells fixed to the control 9 variably illuminated by a light and shutter assembly under the control of shaft 1, Fig. 3 (not shown).
Patent GB-834676-A (GB)
Title: Coated abrasive segment and wheel containing the same
IPC: B24D13/04
Filed: 1957-02-18
Abstract: 834,676. Buffing-wheels. NORTON CO. Feb. 18, 1957 [Sept. 21, 1956], No. 5476/57. Class 60. A member adapted to form the whole or a portion of the periphery of a coated abrasive wheel comprises a shaped plastic base-member 11, means associated with the base-member to engage with holding means on an abrasive wheel mounting, and a plurality of pleated coated abrasive sheets 10, each having a portion thereof firmly embedded in the base-member. The basemember is moulded from rubber or a resinous compound such as epoxy, phenolic or polyester resin and has embedded in it to a small depth the ends of the abrasive sheets, which may be of cloth, paper or a flexible material coated on one or both sides and preferably pleated as described in Specification 755,192. The pleated sheets may be folded along a medial line and embedded in the base-member so that both ends of the sheet extend outwards. The basemember is moulded with an opening (which may be lined by a tube 14) for the purpose of cooperating with a pin 15 which engages holes in flanges 24 removably secured to a wheelshaft 31. The flanges are either located in slots 16 in the base-member, or disposed flush with the sides of the wheel, both these arrangements permitting more than one wheel to be mounted on the shaft to form an abrasive drum. Alternative means, including pins, bolts, screws or interlocking projections and recesses on the base-members, may be employed to secure the base-members to the flanges. In a further embodiment, the base-members may be moulded in one piece to form a complete wheel. Specification 834,677 also is referred to.
Patent GB-856009-A (GB)
Title: Improvements in or relating to casings for gas-fired appliances
Inventor: RADLEY STEWART ALBERT
IPC: F24H9/02
Filed: 1956-02-17
Abstract: 856,009. Water heaters. ASCOT GAS WATER HEATERS Ltd. Feb. 18, 1957 [Feb. 17, 1956], No. 5497/57. Divided out of 852,508. Class 64(1) A casing for a gas-fired water heater has an internal, downwardly extending flange 3 spaced from the casing by an amount sufficient to receive a decorative pan 5 or rim. The flange, which may be strengthened by corrugation, extends along the major part of the lower edge of the casing to which it is secured by welded lugs 4 while the pan is held in place by its inherent springiness, spring clips or screws. Slots 8 are provided in the pan for hot and cold water pipes and an aperture (not shown) admits air for a gas burner. To facilitate fitting of the pan, the lowermost part of the flange may be inwardly inclined. The casing may be formed from a number of panels each carrying a portion of the flange.
Patent GB-725326-A (GB)
Title: Improvements in or relating to television receivers
IPC: H04N5/62
Filed: 1953-02-27
Abstract: 725,326. Multiplex radio signalling. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Feb. 27, 1953 [March 4, 1952], No. 5536/53. Class 40 (5). In a television receiver, the I.F. vision and sound carriers axe applied from coil 1 to the demodulator 2, 3, 4, the sound signal being derived from the modulated beat oscillation produced between the two carriers. The demodulator output is fed through an inductance 5 to the grid 6 of an amplifier valve 7, or plurality of valves, the input capacity 8 of which forms, with inductance 5, a circuit tuned to the beat oscillation.
Patent GB-907281-A (GB)
Title: Improvements in or relating to pneumatic vehicle tyres
IPC: B60C15/00
Filed: 1961-02-15
Abstract: 907,281. Pneumatic tyres. CONTINENTAL GUMMI-WERKE A.G. Feb. 15, 1961 [July 5, 1960], No. 5603/61. Class 144 (2). In a pneumatic tyre having a radial cord carcase and an inextensible annular tread reinforcing insert, the tyre beads 6 are reinforced, to prevent flexure damage at the wheel rim lip 9, by at least two strips 13, 14 of parallel cords which are wrapped around the annular wire bead core 5 so that their edges 16, 17 are in stepped relation radially outwardly of the bead, the cords of the respective strips 13, 14 crossing the carcase cords 1<SP>1</SP> at respectively different angles such as 30 and 60 degrees, the lower angle 30 degrees being subtended by the cords of the wider strip 14. As shown, an additional strip 12 is incorporated in the bead with its ends stepped in relation to those of the strips 13, 14 and with its cords disposed at the same angle, i.e. 60 degrees to the carcase cords 1<SP>1</SP>, as the cords of strip 13.