baber/WOPTO huggingface dataset:
Patent GB-985701-A (GB)
Title: Pressure and temperature corrected fluid flow meters
IPC: G01F1/50
Filed: 1961-04-14
Abstract: 985,701. Fluid flowmeters, measuring electrically. HAGAN CONTROLS Ltd. April 14, 1961 [April 28, 1960], No.13467/61. Headings G1N and G1R. A fluid flowmeter includes means which apply motion proportional to the pressure difference between two points in a fluid flowing in a conduit 19 to a flow indicating member through a variable linkage controlled in response to temperature and pressure variations in the conduit to correct the indicating member therefor. Tubes 20 and 21 connect either side of an orifice 23 to chamber 14 and 15 formed above either end of a column of mercury 13 in an annular tube 11 partitioned at 12. The tube 11 is supported on a knife edge 17 on a crossbar 16 and is restrained by a leaf spring 29 adjustable at 30 which acts through rod 24 with a knife edge 25 on to a bracket 26. Unequal pressure in the chambers 14 and 15 will cause the tube to tilt about the knife edge 17 so that a cam bracket 32 fixed to it tilts a bell crank 35-37 about a pivot 36. Thus linkage extracts the square root of the pressure difference in the conduit 19 and causes a recording pen 41 on the bell-crank to move directly proportionally to the uncorrected power line conduit 19. A link 38 connects the crank-end 37 to a compensating bar 39 pivoted at 40 and connected to a pivoted lever 49 by a line 48. One end of the link 42 rides in a cam slot 46 in the bar 39 and operates a lever carrying a recording pen 44 which is also pivoted at 36. A thermometer 66 and a pressure diaphragm 64 respectively adjust variable resistors R5 and R3 which constitute two of the four legs of a Wheatstone bridge which controls the supply voltage at the terminals of a reversing motor 60 through an amplifier 61. The motor 60 is connected to the sliding contact 71d a variable resistor R situated in another leg of the bridge and also, through a linkage 52-57, to the lever 49. Rotation of the motor adjusts the resistor R until a balance is reached where the bridge supplies a voltage across the terminals of the motor. Simultaneous movement of the linkage 52-57 tilts the compensating bar 39 thereby adjusting motion transmitted from the link 38 to the link 32 so the motion of the recording pen 44 is compensated for pressure and temperature.
Patent GB-545523-A (GB)
Title: Improvements in or relating to the production of moisture-proof regenerated cellulose sheets and films
IPC: D06M15/423
Filed: 1940-08-27
Abstract: 545,523. Films; resinous condensation products. BRITISH CELLOPHANE, Ltd. Aug. 27, 1940, No. 13490. Convention date, Sept. 1, 1939. [Classes 2 (ii) and 2 (iii)] [Also in Group VIII] A moistureproof regenerated cellulose sheet or film comprises a moisture-proofing surface coating and an intermediate anchoring layer comprising a urea- or thiourea-formaldehyde monohydric alcohol resin in the hardened insoluble form. The resin layer may be formed by applying aqueous or organic solvent solutions, e.g. in acetone, ethanol, butanol, iso-butanol, ethyl or amyl acetate, benzene or toluene, of methylol-urea or thiourea ethers in the monomeric or partially polymerized form and subsequently heating. Examples of such ethers are the methyl and ethyl ethers of monomethylol- and dimethylol-urea or thiourea and the dimethylol urea ether of ethylene glycol monomethyl ether. Their preparation is described in Specifications 522,643, 522,644, 535,378 and 538,280. The ethers may be applied by dissolving them in the softening bath for the gelregenerated cellulose film. Modifying agents such as rosin, hydrogenated rosin, polystyrene, oils and oil acids, fats, waxes, rubber derivatives and dyes may be added to the ether solution. Polymerization catalysts such as phosphoric, maleic, citric, lactic, acetic, trichloracetic, tartaric, oxalic or phthalic acid, mono-iso-butyl phosphate, dibutyl phosphate, mono-phenyl phosphate, mono-butyl phosphate, mono-ethyl succinate, rosin, shellac and alkyd resins may be used. Cellulose nitrate or acetate or ethyl cellulose may be added to the composition in such proportions as to exude on drying to form a superficial layer. Of the incompletely polymerized' urea-formaldehyde monohydric alcohol resins soluble in organic solvents, those formed from propyl, iso- and n-butyl, hexyl and lauryl alcohols are preferred. The preparation of such resins is described in Specification 483,399. A suitable moisture-proofing coating composition comprises nitrocellulose, paraffin wax, dibutyl phthalate and gum dammar.
Patent GB-205030-A (GB)
Title: Improvements in and relating to hand implements for use in planting cabbages and like plants
IPC: A01C5/02
Filed: 1923-05-22
Abstract: 205,030. Pate, T. M. May 22, 1923. Planting - tools, hand. -A hand tool for planting cabbages &c. consists of a rod a with a forked end f, f<1> used for pressing the root into the soil, and a plunger d for tamping the earth round the root. The parts a, d have handles e, g, the handle g being on a sliding sleeve b.
Patent GB-457375-A (GB)
Title: An improved device for connecting a wire cable control to photographic cameras
IPC: G03B9/58
Filed: 1936-05-13
Abstract: 457,375. Kinematograph and photographic apparatus. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. May 13, 1936, No. 13580. Convention date, Sept. 21, 1935. [Classes 97 (i) and 98 (i)] A device for connecting a Bowden wire control to cameras comprises a detachable bridge member 4 of sheet metal with a guide rod 8 mounted therein and supporting a slide collar 9 which has a metal plate 11 attached thereto and adapted to engage a control knob of the camera; e.g. the shutter control. One end of the bridge is curved at 5 and the other end riveted at 6 to a leaf spring 7 so that it can clip under a roll-like frame 3 on the side of the camera. The metal plate 11 of the slide has an extension 12 lying parallel to the axis of the collar 9, to engage the control knob, and an extension 13 extending through a guide slot 14 for manual actuation. A spring 10 opposes actuation of the slide. The wire cable control 16 is screwed into a threaded bush 17 on the bridge member 4 and its plunger engages the plate 11. The bridge member can be clipped on in two positions to actuate the control knob in opposite directions, the latter controlling the shutter, feeding speed or picture frequency of photographic or kinematographic cameras.
Patent GB-131007-A (GB)
Title: A New or Improved Spring washer for Counteracting the Loosening Tendency of Bolts, Nuts, Screws, Studs, and the like when Fitted on, or in Machinery Subject to Vibration.
Inventor: HUMPHRIS FRANK
IPC: F16B39/24
Filed: 1917-09-21
Abstract: 131,007. Humphris, F. Sept. 21, 1917 Locking bolts, nuts, studs, and set-screws.- A spring washer or sleeve for bolts, nuts, screws, studs, &c. comprises a member with a number of resilient projections each having a number of sharp teeth which dig into the adjacent surfaces to prevent rotary motion in one or both directions. The washer may be corrugated. In the construction shown in Fig. 1, resilient projections b with teeth c<1> are provided for a distance from its outer diameter above and below the ring. In the construction shown in Fig. 2, projections with teeth c' are provided adjacent the internal and external edges. In a modification of this construction, the projections are arranged midway of the edges. In a further construction, taper projections with teeth are arranged adjacent the outer and inner edges. In the construction shown in Fig. 8, the ring is corrugated and provided with teeth c<1> near the crown of each ridge. An annular sleeve with internal and external toothed projections b is shown in Fig. 6.
Patent GB-1209424-A (GB)
Title: Improvements in or relating to processes for the extrusion coating of substrates
IPC: B29C48/08
Filed: 1969-03-14
Abstract: 1,209,424. Laminates. HERCULES Inc. 14 March, 1969 [15 March, 1968], No. 13648/69. Heading B5N. A method of coating a substrate 10, e.g. of paper or aluminium foil, comprises extruding through a single die 8 as distinct layers intimately joined to each other (a) a difficultly extrudable polymer which is high density polyethylene, crystalline polypropylene or a crystalline copolymer of propylene with up to 25 mole per cent of ethylene, and (b) a readily extrudable polymer which is low density polyethylene, a copolymer of ethylene with a minor amount of vinyl acetate or an ionomeric copolymer of ethylene and applying the extrudate to the substrate, e.g. in the nip between roller 12 and chill roller 13. In the embodiment shown, component (a) is fed by path 5 and component (b) by paths 6 and 7 to produce a three-layer extrudate. Specified substrates are paper and metal foil, e.g. of aluminium.
Patent GB-1207900-A (GB)
Title: Improvements in or relating to beverage vending machines
Inventor: COTTINGHAM RUFUS FRANK
IPC: B67D7/06
Filed: 1968-03-21
Abstract: 1,207,900. Beverage dispensing apparatus. "COTTO" (SCUNTHORPE) Ltd. 19 March, 1969 [21 March, 1968], No. 13658/68. Heading A4T. In a beverage vending machine in which powdered ingredients are mixed with heated water, the latter supply being fed from a header tank 1 via a timer operated valve in outlet 3, the outlet is connected to a flexible tube 2 pivoted at 7 a short distance from its inlet 5 from and below a float 6 whereby the head of water to outlet 3 is substantially constant as the level falls. According to the Provisional Specification tea or coffee may be selected via a switching circuit which may be coincontrolled, the timer controlling a magnetic valve for the hot water supply which passes via a restriction tangentially into a mixing bowl containing an agitator. The timer also controls motors operating pocketed wheels receiving powdered ingredients from hoppers or vertical rotary brushes sweeping powder towards masked openings in the base of the hopper.
Patent GB-838407-A (GB)
Title: Improvements in or relating to compositions comprising or consisting of polymerised vinyl-aromatic compounds and processes for the preparation therof
Inventor: CLELAND WILLIAM JAMES
IPC: C08F257/02
Filed: 1958-04-30
Abstract: Vinyl aromatic compounds, in which are dissolved from 5 to 25% of polymeric vinyl aromatic compounds of average M.W. below 5000 produced by polymerizing in the presence of a cationic catalyst, are polymerized by bulk, suspension, or emulsion methods in the presence of a free radical type catalyst to yield polymers with improved moulding properties.  Styrene, a -methyl styrene and nuclear substituted styrenes are specified and the low molecular weight polymer is formed in the presence of cationic catalysts such as activated earth or clay, anhydrous aluminium chloride, stannic chloride, boron trifluoride complexes, strong acids and cation-exchange resins, at up to 150 DEG  C., preferably by a continuous process.  In a preferred process the monomer and catalyst are fed to an elongated closed circuit reaction zone, in which the mixture is continuously and rapidly circulated, withdrawn, cooled and the catalyst separated.  The product is partially polymerized, e.g. from 5 to 60%, to low molecular weight polymer and is diluted with monomer if necessary and finally polymerized using a <PICT:0838407/IV (a)/1> <PICT:0838407/IV (a)/2> free radical catalyst by conventional methods, e.g. by pearl polymerization process, to a final product containing 75 to 95% polymer of molecular weight above 100,000. Suitable apparatus described embodies, Fig. 1, a closed circuit reactor comprising a heater 6, and cooler 7 to which monomer from tank 15, and catalyst from hopper 18, are added, circulated as a dispersion, and withdrawn, 12, cooled, 20, and filtered; Fig. 2, a jacketed reactor 27 with a continuous agitator to which monomers 22 and catalyst 26 are introduced and the polymer is overflowed to heat exchanger 30 and filter 31 to yield a solution of low molecular weight polymer in styrene.  Internal lubricants such as mineral oils, and butyl stearate, may be included in the low molecular weight polystyrene prior to final polymerization, and the final product may be blended with conventional pigments and fillers. Specification 659,771, 707,548, 707,647 and 710,498 are referred to.
Patent GB-356827-A (GB)
Title: Improvements in or connected with water tube boilers
IPC: F22B37/10
Filed: 1931-01-30
Abstract: 356,827. Steam boiler water-tubes. HEENAN, J. N. D., 15, Lincoln's Inn Fields, London. Jan. 30, 1931, No. 13761/30. Drawings to Specification. [Class 123 (ii).] The last row or rows or number of tubes or the end portions of some or all the tubes at the furnace exit of water-tube boilers have gills or fins, the total length of tubing covered by the gills being less than one half of the total length of tubing in the boiler. Boilers of Stirling and Babcock and Wilcox type having respectively the tubes of the last bank and the part of the tubes swept by the gases in their last pass provided with gills, are shown.
Patent GB-137693-A (GB)
Abstract: 137,693. Arc & General Equipment, Ltd., and Jones, A. Denman-. March 29, 1919. Heating vehicle.-In a heading-device of the kind described in Specification 113,003, [Class 83 (iii), Metals, Cutting], in which the hot air from the engine &c. is collected in a cowl or cone for circulating through a pipe to warm the body of the vehicle, auxiliary cowls D, E surrounding the exhaust pipes of the engines are provided. The cowls D discharge into the cowls E, which in turn discharge into the main cowl F. The cowls are made of thin sheet aluminium or other ductile material, and are fluted or corrugated so as to be readily dcformable to fit various forms of engine.
Patent GB-495481-A (GB)
Title: Knitting needle, chiefly adapted for the restoration of meshes
IPC: D04B17/04
Filed: 1937-05-18
Abstract: 495,481. Hand sewing tools. ETABLISSEMENTS PORON. May 18, 1937, No. 13780. Convention date, May 20, 1936. [Class 112] A latch needle 1 for repairing " ladders " in knit goods has a terminal hook 2 and a pivoted latch 4 housed within the body of the needle and initially actuated by a projection 8 extending beyond the needle housing on the side of the needle opposite that on which the hook is located, the latch being lifted by pressure on this projection. The projection is preferably carried by a second pivoted member 6, Figs. 1 and 10. In the form shown in Fig. 10, the projection 8 is held in mesh-engaging position by a light spring 21. The latch may also be held in inoperative position by a light spring. In the form shown in Fig. 9, the projection 8 is carried by a freely sliding member 18. In the form shown in Fig. 12, the latch and member carrying the projection 8 is all in one piece, the engagement of the cross-mesh with the projection 8 causing the member to swing over on the pivot 5 till the part 22 is above the hook, part 23 closing the hook. The device is operated in the manner usual with such latch needles.
Patent GB-116819-A (GB)
Title: Improved Means for Cooling Internal Combustion Engines and other Machinery.
Inventor: HENNING ALBERT
IPC: F01P9/00
Filed: 1917-09-25
Abstract: 116,819. Henning, A. Sept. 25, 1917. Cylinders, cooling.-Apparatus for producing cold locally comprises a wheel a upon which is mounted a number of flasks or ampullae c containing ethyl chloride or other volatile liquid. As each flask on turning the wheel reaches its lowest position the end is broken off by a stop e or a valve in it is opened and the liquid is discharged in a fine stream through a funnel f into the place to be cooled. The apparatus is suitable for cooling the bearings, pistons and other parts of engines and machinery.
Patent GB-888308-A (GB)
Title: Threaded fasteners with locking projections
Inventor: KNOHL FRIEDRICH KARL
IPC: F16B39/282
Filed: 1958-04-30
Abstract: 888,308. Self-tapping screws. ILLINOIS TOOL WORKS. April 30, 1958, No. 13829/58. Class 83 (3). [Also in Group XXV] A self-tapping screw 22, Fig. 1, has cutting edges 54, 66 and 68, Figs. 5 and 6, and tips 55 and 57 to facilitate initial penetration and subsequent screwing of workpiece 14, Fig. 1. Specification 888,309 is referred to.
Patent GB-1533192-A (GB)
Title: Smoke sensor
IPC: G01N21/53
Filed: 1977-04-01
Abstract: 1533192 Smoke sensor CERBERUS Ltd 1 April 1977 [1 April 1976 6 Sept 1976] 13920/77 Heading G1A In a smoke sensor radiation from a source 8 is formed into a conical sheath-shaped beam 10 and a radiation detector 12 sensing scattered light is positioned on the geometrical axis of the beam but not in the direct path of the beam. Smoke enters and leaves by exits 5. A pair of screening diaphragms 13 and 14 are positioned as shown to further increase the sensitivity. Alternatively, a solid of revolution Fig. 4 (not shown) may be employed whose first half (adjacent the source) is opaque and has an increasing rectangular stepped form and whose second half is transparent and has a bevelled stepped form (to direct radiation on to the detector). Fig. 1 shows a light guiding element 9 for forming the conical sheath-shaped beam but alternative systems are disclosed, such as by employing a hollow rotationally symmetric prism Fig. 2 (not shown), or, by a bi-convex lens whose optical axis is eccentric and inclined to the axis 19 of the apparatus Fig. 3 (not shown), or, there may be a combination of an elliptical reflecting surface and a bi-convex lens system or surface 34, 35, Fig. 5, also Figs. 6 and 7 (not shown). A modification, Fig. 5 having a dome-shaped outer casing 36 is disclosed in the centre of which is contained a radiation source 8 with the associated optical system. To the inside of the member 36 is secured a transparent member 37 that encloses a radiation receiver 12. The member 37 carries a rod 41 having a number of diaphragms 42 for screening direct radiation from the receiver 12.
Patent GB-456755-A (GB)
Title: Improvements in or relating to fluorescent screens suitable for use in cathode ray tubes
IPC: H01J9/22
Filed: 1935-05-14
Abstract: 456,755. Cathode-ray tubes. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House,Victoria Embankment, London.- (Assignees of Leverenz, H. W. ; 125, Browning Road, Collingswood, New Jersey, U.S.A.) May 14, 1935, No. 14145. Convention date, May 23, 1934. Drawings to Specification. [Class 39 (i)] [See also Group XX] Screens, especially for use in cathode-ray tubes, are prepared by distributing fine non- aggregate particles of fluorescent material in a liquid and allowing them to settle on a base member under gravity as described in Specification 391,887, the particles being small enough to pass through a 400-mesh screen and the liquid being a solution of an electrolyte having an ionic dissociation constant greater than 10-<10> Suitable electrolytes are ammonium carbonate, ammonium carbamate, and carbonic acid. In one example, À01 gm./ml. of Willemite (Zn2SO4.Ba.Mn) is added to a solution containing 125 gm./ml. of ammonium carbamate and allowed to settle therefrom onto the end wall of a glass blank for a cathode-ray tube, which may be provided with a silver coating, the supernatant liquid being then decanted by rotating the blank about a horizontal axis.
Patent GB-871943-A (GB)
Title: Improvements in or relating to an angler's bite indicator
Inventor: HODGES THOMAS
IPC: A01K97/12
Filed: 1959-04-25
Abstract: 871,943. Angler's bite indicators. HODGAYTON CO. Ltd. April 25, 1960 [April 25, 1959], No. 14185/59. Class 48. A bite indicator secured to a fishing-rod B by clips 2 comprises a U-shaped housing A open at ends 5 and 7 with a sheet 10 cemented between the sides 1 along the lengths 8 and 9. Bushes 11 and spindle 14 are inserted through the sides 1 near the open end 7 as a pivot for a plastic tube 12 having a subsidiary length 13 of different colour, the latter resting on sheet 10 inside the housing A. The line D is threaded through a ring on the rod, thence through tube 12 and open end 5 to a second ring on the rod B, so that when a fish bites the coloured end 13 is brought into sight outside the open end 5. In another embodiment the arm 12 is replaced by a wire within a tube pivoted at one end, the wire being looped at each end to engage the fishing line. The housing A is secured to the rod by flexible metal clips having series of holes for selective engagement by bolts in accordance with the rod diameter.
Patent GB-759087-A (GB)
Title: Improvements in or relating to paper, cardboard or like tubes
IPC: B65D59/04
Filed: 1954-05-14
Abstract: 759,087. Paper &c. tubes. S.A.F.F.A. SOC. PER AZIONI FABBRICHE FIAMMIFERI ED AFFINI. May 14, 1954 [Nov. 17, 1953], No. 14261/54. Class 99(2). A paper, cardboard or like tube having longitudinal corrugations is made from a single two-ply corrugated sheet having one flattened side 2 adapted to overlap two or three of the corrugations 3 of the opposite side when the sheet is folded. Adhesive is applied to the registering surfaces of the margin 2 and the bases of the corrugations and the sides 4, 5 of the end corrugations, and jointing is effected by heat and pressure. A narrow portion of the margin 2 may be folded outwardly, and the whole margin may be knurled.
Patent GB-314185-A (GB)
Title: Improvements in or relating to road scooters or other propelled vehicles
IPC: B62M1/24
Filed: 1928-05-15
Abstract: 314,185. Wyndham, J. H. May 15, 1928. Treadle mechanism.-Propelling mechanism f o r scooters and other vehicles adapted to permit free-wheel movement of the vehicle in either the forward or backward direction comprises a lever 7 pivoted at 6 to an upright 5 and actuated by means of a treadle &c. 8, the other end being provided with a roller &c. 6<a> engaging an endless reciprocating chain 14, which passes around a free-wheel sprocket 4 on the wheel hub and around a roller &c. 10 on the end of a link 9 also pivoted at 6. The treadle lever and link are acted upon by tension springs 12, 11. On downward movement of the treadle, as shown in Fig. 2, the rear part of the chain 14 is lifted and brought into engagement with a hook-like pawl 15 on a plate 16 pivoted at 17 to the frame 2, the pivotal movement of the plate being limited by the engagement of a lateral projection 18 with the frame 2, and a part of the chain is thus looked, the remaining part, on further movement of the roller 6a, being drawn around the sprocket 4 to effect the drive. The return movement of the lever 7 is effected by the springs 11, 12. Foot platforms 20 are mounted on each side of the frame 2 on depending brackets 21.
Patent GB-277075-A (GB)
Title: Improvements in, and relating to, full-way or gate valves
IPC: F16K3/26
Filed: 1926-06-07
Abstract: 277,075. Mason, H. L. June 7, 1926. Piston valves; sliding valves.-In piston or sliding gate valves of the straight throughway type the packing is arranged in several sections, such as 27, 28, 29, Figs. 1, 5, and 6, disposed so as to prevent leakage round, over, and under the valve member, the several packing sections being separately controlled, such as by the glands 17, 19, and side screws 33, Fig. 6, whilst the packing merges into and works as one continuous packing. The lateral packings, such as 29 may have an interposed pressure plate 31, or there may be apertures in the valve casing fitted with lateral screw plugs for compressing the packing by direct pressure. The valve members are preferably formed with continuation parts 46 to maintain the lateral packings in place and to pro. tect the same in the open position. The lower end of the valve may also be fitted with a separate or floating piston or follower, as 43, Figs. 5 and 6, which is spring-supported and moves with the valve in the opening movement so as to make up the level of the inlet and outlet passages 11, 12 and retain and protect the lower packing.