baber/WOPTO huggingface dataset:
Patent GB-601509-A (GB)
Title: Improvements in or relating to aircraft
IPC: B64C39/00
Filed: 1945-11-27
Abstract: 601,509. Aircraft supported by rotary propellers. JEFFREYS, P. F. Nov. 27, 1945, No. 31943. [Class 4] An aircraft is supported and /or propelled by two elongated rotors of such size as to occupy substantially the whole of the section presented by the aircraft in the direction of progression, which are formed with helical grooves of opposite hand and rotatable in opposite directions in close proximity to one another in such manner that the adjacent portions of the rotors are moving upwardly., As shown in Fig. 2, the machine comprises two fuselages 1, 2 built round tubular booms 5, 6 connected bv hollow cross-members 7, 8 which provide access from one fuselage to the other. Each fuselage consists of front and rear portions having tapered ends between which the rotors 3 and 4 are rotatably mounted. A tail plane 9, having outer portions 10, 11 which may be retractable, and twin fins and rudders 12, 13 are provided at the rear. The power plant is accommodated within the rotors and comprises two groups of engines 21-24 and 25-28, Fig. 4, which drive shafts 30 and' 34 respectively by means of double-helical gearing incorporating hydraulically-operated clutches so that any engine may be isolated if required. The shafts 30 and 34 drive cross shafts 31 and 35 respectively which are coupled through differential gears 32 and 36 and bevel gearing to shafts 37, 38 and 43, 44 geared to the rear and forward ends of the rotors. The output shafts of the differential gears are provided with brakes so that one rotor may be slowed down and the other speeded up for control purposes. Ducts may be provided in the nose portion of each fuselage to conduct air, or gases from a gas turbine, to the leading edges of the upper and outer quadrants of the rotors in order to increase the lifting and propulsive effect. Alternatively, the rotors may be auto-rotative to give a lifting effect only and jet propulsion equipment provided in the tail plane. A plurality of spaced pairs of rotors may be provided in a large machine.
Patent GB-633038-A (GB)
Title: Improvements in drawing instruments
IPC: B43L9/02
Filed: 1947-12-04
Abstract: 633,038. Compasses. FIELD & SONS (REDDITCH), Ltd., F., and VERNON, J. E. Dec. 4, 1947, No. 32004. [Class 97 (iii)] Each leg of a drawing compass comprises a single length of wire 1, 2 which at one end is bent to form a pivot socket 3, the other end of one leg being shaped to form a point and the other end of the other single length of wire being shaped to form a pencil holder. The pencil holder may be formed by bending the wire into a plurality of bends 4, 5 encircling the pencil for more than half its circumference at places distanced apart, the other end of the other leg being shaped to form a point. The two sockets 3 may be pivoted on an eyelet 6 or on a pivot pin screwed for a retaining nut. A third piece of wire having one end curled to form a socket and at the other end forming a finger-piece, may be mounted on the pivot between the sockets 3. The pointed leg 2 is bent inwardly so that the pencil point and compass point may be moved close together.
Patent GB-1060825-A (GB)
Title: Improvements in or relating to suction nozzles for suction refuse collecting vehicles
IPC: E01H1/08
Filed: 1962-08-21
Abstract: 1,060,825. Road cleaning apparatus. JOHNSTON BROTHERS (ENGINEERING) Ltd. and A. D. COLLINS. Nov. 21, 1963 [Aug. 21, 1962], No. 32081/62. Heading E1G. A suction refuse nozzle, mounted on wheels and drawn along with a vehicle, has means producing air pulses which are superimposed on the air stream induced by the suction conduit. A refuse collecting vehicle has a suction pipe 32 terminating in a substantially rectangular nozzle having side, 13, and end, 14, walls from which depend rubber walls 16. The forward part of the nozzle is shaped as a half cylinder 11 which houses a paddle having two rubber or like blades 30 driven by a chain from wheels 21 at increased speed. The refuse passes through the paddle which forms pulsations in the suction air stream when the paddle alternately places the conduit 31 into and out of communication with the atmosphere.. In other embodiments, the paddle is located at the rear of the nozzle and rotates in the opposite direction, sealing the conduit by cooperation with a horizontal flap or inwardly projecting conduit part. The paddle blades may be hinged off centre of their hub and held by tension springs against clearance adjusting screws.
Patent GB-321980-A (GB)
IPC: C09F9/00
Abstract: 321,980. Arnold, C., (Standard Oil Development Co.). Aug. 23, 1928. Fatty oils.-A drying oil is mixed with a heavv metal salt of an oil-soluble sulphonic acid derived from petroleum by treatment with fuming sulphuric anhydride. Salts of manganese, cobalt or lead are preferred. Pigments, resins, or diluents may be added.
Patent GB-297247-A (GB)
Title: A device for use upon closet seats
IPC: A47K13/16
Filed: 1927-11-30
Abstract: 297,247. Levinson, S., and Pearce, D. Nov. 30, 1927. Seat guards are provided with perforations adapted to engage studs 12, 13.
Patent GB-1484955-A (GB)
Title: Railway vehicles
IPC: B60M1/06
Filed: 1975-08-01
Abstract: 1484955 Current collectors JAPANESE NATIONAL RAILWAYS 1 Aug 1975 [3 Aug 1974 27 Dec 1974] 32309/75 Heading B7L A current collecting pantograph structure includes one or more high-frequency current suppressing elements 22 mounted in or on respective frame members 2-9 and 2<SP>1</SP>-9<SP>1</SP> of the structure to prevent radio and TV interference due to spark discharge between the pantograph slipper 1 and trolley wire T. The current suppressing elements consist of a conductor installed parallel to the respective frame member, a hollow cylinder mounted on the frame member - one end of the cylinder being closed and the other end open, or a magnetic alloy or ferrite layer formed on the exterior of the conductor or in a notch in the conductor. In the former case the conductor is electrically connected to its frame member by one end or by an intermediate point if two high frequency currents are to be suppresed. Likewise, two or more hollow, coaxial cylinders may be mounted on a frame member to suppress two or more high-frequencies. The open end of the cylinder may be connected to its frame member by a capacitor. The effective length of the current suppressing element is “ the wavelength of the high frequency current to be suppressed or an odd multiple thereof. The pantograph base 13 is insulated from an insulator panel 16 in the vehicle roof by insulators 14. A high-frequency current suppressing element 22 is provided on the conductor 15 supplying current from the pantograph to the vehicle motor.
Patent GB-1147523-A (GB)
Title: Improvements in or relating to arachnicides and fungicides
IPC: C04B28/26
Filed: 1966-07-19
Abstract: 1,147,523. Chlorophenyl substituted methanol. JANSSEN PHARMACEUTICA N.V. 19 July, 1966 [29 July, 1965; 18 May, 1966], No. 32393/66. Heading C2C. [Also in Division A5] Di - (p - chlorophenyl) - cyclopropyl - methanol is prepared by reacting 4-chlorophenylcyclopropylketone and 4-chlorophenyl-magnesium chloride in tetrahydrofuran and xylene. The 4-chlorophenyl-cyclopropyl ketone is prepared by reacting potassium hydroxide and 4 - chloro - 4<SP>1</SP> - chlorobutyrophenone; the latter compound being obtained by heating butyrolactone and thionyl chloride in the presence of zinc chloride and then reacting the resulting 4-chlorobutyryl chloride with excess chlorobenzene.
Patent GB-355583-A (GB)
Title: A process for making cement impervious
IPC: C04B22/00
Filed: 1930-10-29
Abstract: Instead of water, a solution of aluminium hydroxide in alkali is used for gauging cement, the product being thus rendered impermeable.  The alkali is preferably potassium or mixed potassium and sodium hydroxide, and the proportion of alkali aluminate to cement may be 1 1/2 to 100.
Patent GB-382102-A (GB)
Title: Improvements in multiple-way liquid fuel supply cocks or valves
IPC: F16K11/083
Filed: 1931-11-24
Abstract: 382,102. Plug cocks. CARSON, W. H. and CARSON, A. H., 46, Whoberley Avenue, Coventry. Nov. 24, 1931, No. 32488. [Class 135.] A conical multiple-way plug cock for use in controlling the flow of liquid from a number of tanks in aircraft &c. has a series of staggered inlet connections A, B, C, Fig. 1, and an outlet connection which co-operate with ports in the plug so that in one rotation of the plug a regular sequence of " ON " and " OFF " positions occurs in which any one or all the inlets may be opened, the outlet either being permanently open or opening coincidentally with any one or all the inlets. The inlets B, C are located in one horizontal pane and are spaced 90‹ apart, the third inlet A being in a plane above them and spaced 45‹ from each. The outlet connection is diametrically opposite the inlet A but in a plane below that of the inlets B, C. The positions of the ports in the plug F are shown in Figs. 5, 6. The ports A<1>, B<1>, C<1> registe with the inlets A, B, C respectively when all the inlets are open. When the inlet B only is open it registers with the port C<1>; when the inlet A only i open it registers with a port A<2>; and when the inlet C only is open it registers with the port B<1>. Between these four " ON " positions are four "OFF" positions and corresponding to the " ON " positions are four outlet ports D<1> .. D<4> which register in turn with the outlet connection An operating-handle H is secured to the plug spindle W, which passes through a stuffing box J. Locating balls T having adjustable springs S co-operate with depressions in the platform M. The spring S<1> also helps to hold the plug in position. In a modification, the bottom end of the plug is open and its skirt ends above the outlet connection.
Patent GB-791565-A (GB)
Title: Accessory for inflation of tubeless tyres
IPC: B60C25/14
Filed: 1955-11-14
Abstract: 791,565. Relief valves. MERRIMAN, H. H. Nov. 14, 1955 [Feb. 14, 1955], No. 32511/55. Class 135. [Also in Group XXXIV] A combined inflation and safety release valve for an inflatable, tyre-tread contracting, tourniquet (see Group XXXIV) comprises a stem 72, to which a standard inflating air chuck may be attached, normally closed by a cap 74 which is biased by a spring 76. The cap is manually movable to the broken-line position for attachment of the air chuck, and in use is automatically lifted against the spring 76 by excessive pressure in the tourniquet.
Patent GB-301021-A (GB)
Title: Electric signalling circuit for use in mines
IPC: B66B19/06
Filed: 1928-11-07
Abstract: 301,021. Siemens - Schuckertwerke Akt.-Ges. Nov. 23, 1927, [Convention date]. Non-selective visible signalling systems.-A signalling system for mines comprises signal lamps 7 connected between lines 4, 8, arranged so that each of the switches 9 - - 11 controls all the lamps. In a modification (Fig, 2, not shown) the line. 2 is earthed and the line 3 and the switch contacts in the line 2 axe dispensed with.
Patent GB-1221178-A (GB)
Title: Helical barbed tape unit
Inventor: MECKEL PAUL T
IPC: F41H11/08
Filed: 1969-06-27
Abstract: 1,221,178. Barbed tape unit. PHYSICS TECHNOLOGY LABORATORIES, Inc. 27 June, 1969 [1 July, 1968], No. 32598/69. Heading E1B. A barbed tape unit comprises a helical coil of substantially flat tape 10 with spaced barbs 12 therealong, the barbs being of X section stacked in a dispenser with the plane of the tape perpendicular to the axis of the unit. In a modification two coils 36, 38 are housed in separate channels 48, 50 in one dispenser. Spacing wires to 40 and 42 are connected to identical positions on spaced loops and may be staked to the ground after deployment. Additional connecting wires 44 may be provided. All the wires may be looped round or spot welded to the tapes. The tape may have a V- or U-shaped channel along its centre for strengthening. The unit may be an oval or polygonal section helix.
Patent GB-198971-A (GB)
Title: Improvements in motor car and like radiators
IPC: F28D1/04
Filed: 1922-11-29
Abstract: 198,971. Guyot et Cie, R. Oct. 13, 1922, [Convention date]. Addition to 191,366, [Class 29, Cooling &c.]. Stopping pipes and tubes. - In radiators for motor-cars &c. wherein a plug or stopper g is adapted to be inserted in a tubular connection c between the header and a removable cooling - element b, as set forth in the parent Specification, a partition x is fitted in a recess in the connection c to prevent corrosion of the screw threads, the partition being pierced and expanded to minimize waste of water by the pointed end g<4> of the stopper when the latter is inserted to isolate a cooling-element. from the circulating system.
Patent GB-736766-A (GB)
Title: Improvements in and relating to full-fashioned knitting machines
IPC: D04B11/20
Filed: 1953-11-24
Abstract: 736,766. Knitting-machines. BOEHRINGER GES., GEB. Nov. 24, 1953 [Nov. 29, 1952], No. 32624/53. Class 74 (2). A straight-bar machine has two draw mechanisms 21, 22, one of which reciprocates a chain mechanism 57 for driving the yarn carriers and the other of which drives the slurcock. The yarn carriers comprise a main yarn carrier 23 and a plating yarn carrier 72, the two carriers being driven from the chain mechanism such that the plating carrier always lags behind the main carrier. For this purpose catches 67, 68 drive the main and plating carrier bars 69, 70 respectively, the catch 67 being rigidly connected to the main carrier bar, but the catch 68 extending between studs 76, 77 on the plating carrier bar so that a lost motion connection is provided. At the end of the traverse of the chain mechanism, the drive therefrom to the carrier bars ceases but to complete the yarn feeding of the plating carriers additional movement is imparted to the plating carrier bar by friction boxes 84, 85 mounted on a bar 82 which is driven from the slurcock operating bar. These friction boxes follow closely behind a slide 88 connected to the plating carrier bar and take up and complete the motion of this bar until it is finally arrested by stops 92, 93 being engaged by studs 74 on the carrier bar. The draw mechanisms comprise a block 37 sliding on a bar 36 and driving the slurcock, and a member 137 slidably mounted on block 37 and driving the chain mechanism. The block 37 and member 137 are driven by separate cam and lever mechanisms.
Patent GB-748047-A (GB)
Title: Vapour generating apparatus
IPC: F22B1/02
Filed: 1953-11-24
Abstract: 748,047. Vertical steam boilers ; heating boilers by hot gases or liquids. ILUNE, G. Nov. 24, 1953, No. 32632/53. Class 123(2). A steam generator which is heated by a heat transfer fluid circulating between the generator and a separate heating means comprises an outer bell-shaped casing 20 to the lower end of which is bolted a cylindrical skirt 17, the skirt being closed at its underside by a removable plate 15 to form a chamber 11 which is separated from the interior of the bell by a plate 10. A vertical, axially-mounted duct 1, sealed at its upper end by a dome plate 3, extends through plates 15, 10 to within a short distance of the top of bell 20, the top portion of the duct having apertures 8 from which a triple ring of tubes 9 extend downwardly to pass through plate 10 and open into chamber 11. Surrounding the tubes 9 is an inner bell 27 which is mounted for limited vertical movement as determined by stops 28, 36 at the top thereof. The inner bell has a ring of apertures 34 therethrough at a level immediately below the lowest working level of the generator, a gap 29 being left between plate 10 and the edge of the bell at its lowermost position. In operation, the heat transfer fluid flows upwardly through duct 1 then downwardly through tubes 9 into chamber 11 whence it is withdrawn for recirculation to the heater through ducts 13, 14. Feed water is supplied through a pipe 25 to the interior of bell 27 to maintain the normal working level of the generator. Steam liberated on the tubes 9 rises inside the bell 27 and causes an internal circulation of water which passes through apertures 34, downwardly in space 31 between the bells and returns into bell 27 through the gap 29. The steam collecting in the top of the bell 27 passes down through and is heated in tubes 4 mounted in duct 1, the tubes 4 discharging into  an outlet chamber 5 whence the steam is withdrawn to its point of use.
Patent GB-761327-A (GB)
Title: Process for the polymerisation or copolymerisation of polymerisable fluorine-containing compounds
IPC: C08F14/18
Filed: 1954-11-11
Abstract: Polymers are made by polymerizing a fluorine-containing monomer alone or in admixture with another monomer in aqueous media in the presence of a chloro-fluorocarboxylic acid containing a chain of at least five carbon atoms or salt thereof as the dispersing agent, and a polymerization catalyst.  Fluorine-containing polymers mentioned are trifluorochloroethylene, tetrafluoroethylene, vinyl fluoride, vinylidene fluoride, trifluoroethylene, 1 : 1-dichloro-2 : 2-difluoroethylene, 1 : 2-dichloro - 1 : 2 - difluorethylene, and 1 : 1 : 1-trifluoropropylene.  Othe monomers specified are vinyl chloride, vinylidene chloride, esters of acrylic and methacrylic acids, vinyl acetate and vinyl propionate.  The chlorofluorocarboxylic acid may be obtained by the oxidation of a chlorofluorocarbon oil with permanganate in a weakly alkaline medium. The oil may be obtained by cracking a chlorotrifluoroethylene polymer and may have a boiling range of 30 DEG  to 170 DEG  C. under 5 mms. mercury pressure.  The catalyst may be a peroxy compound such as potassium persulphate or an alkali metal salt of peroxydisulphuric acid, mixed if desired with reducing agents such as sodium sulphite or bisulphite, or an alkali metal salt of formaldehyde-sulphoxylic acid or a dithionite and/or the salt of a metal having more than one valency state, e.g. iron, cobalt, copper, or nickel.  The aqueous medium may contain buffers such as secondary sodium phosphate, borax, or acetates.  The polymer may be recovered from the latex by coagulation techniques and dispersed in organic solvents such as esters of glycollic acid with acetone, methyl ethyl ketone, amyl alcohol or mesitylene.  The latex may be used for coating and impregnating porous materials.  Specification 758,419 is referred to.
Patent GB-637856-A (GB)
Title: Improvements in magazine gramophones
IPC: G11B17/16
Filed: 1946-11-05
Abstract: 637,856. Magazine gramophones. HANSEN, H. C. Nov. 5, 1946, No. 32852. Convention date, Jan. 20, 1945. Addition to 631,962. [Class 40 (ii)] In a magazine gramophone having a centre-post record support of the kind disclosed in the parent Specification, provision is made to ensure that the secondary supporting member 22 is moved downwardly to the correct position in accordance with the thickness of the lowermost record by making the upper part of the guiding pin 10 offset with regard to the lower part so that the tooth 16 when moving downwardly bears on the upper surface of the lowermost record before being urged outwardly between said lowermost record and the one immediately above.
Patent GB-774220-A (GB)
Title: Improvements in or relating to the earthing of electrical conductors
Inventor: SHEPHARD CHRISTOPHER LEONARD
IPC: H01R4/66
Filed: 1954-11-12
Abstract: 774,220. Earthing rods. GRAY & SON, Ltd., J. W. Nov. 10, 1955 [Nov. 12, 1954], No. 32864/54. Class 36. A lightning conductor 19 is earthed through a concrete foundation 7 and water-sealing layer 6 by embedding a hole 1a in the foundation so that its base is open to the sub-soil 4 and the upper end of the tube is exposed, the tube having an external flange 2a which is embedded in the layer 6, and driving the earthing rod 10 through the tube into the sub-soil so that the upper end of the rod remains above the tube, which is provided with sealing and centring means for the rod. When the tube 1a has been positioned, concrete 7, asphalt 6 and concrete 8 are cast therearound, leaving space 9 above the tube. The rod 10 is then positioned and the tube packed with sand 16. A plug 12a is inserted in the top of the tube, or in threaded socket 21 secured thereto, and the union 13 of a sealing gland is inserted in the plug. The earthing rod is then driven down into the sub-soil, additional lengths of rod being screwed in as necessary. The plug 12a is removed and the level of the sand adjusted to below that of the asphalt 6, the top of the tube then being filled with a bituminous sealing compound 17. Plug 12a is replaced and tightened to compress the compound 17. Packing 15 and gland nut 14 are then fitted to union 13 to effect a second seal, and conductor 19 secured to rod 10 by clamp 20. The seal between the asphalt 6 and tube 1a may be improved by the provision of a slidable flange 23 which is pressed down on a portion 22 of the asphalt by threaded socket 21. A further portion 25 of asphalt is moulded over the flange 23. Projections 27 may be provided to prevent rotation of the tube in the concrete.
Patent GB-913194-A (GB)
Title: Improvements in textile fabric or paper shrinking machines
Inventor: JOHNSON JACK
IPC: D06C21/00
Filed: 1960-09-24
Abstract: 913,194. Shrinking fabrics; compressing paper in its own plane. HUNT & MOSCROP Ltd. Sept. 20, 1961 [Sept. 24, 1960], No. 32901/60. Classes 42 (1) and 96. The rear roller E of a fabric or paper shrinking machine of the type in which an endless belt D1 travels over front and rear idling rollers A, E and is driven by a third roller D applying pressure thereto, is mounted in a block F capable of being adjusted in the machine frame both in the horizontal and in the vertical direction to vary the arc of contact of the belt D1 with the roller D and the roller A is mounted on a block B capable of adjustment in said perpendicular direction to adjust the nip of the belt between the rollers A, D. Each block F is carried by a slide G which is carried by a slide H, the slides being provided with scales and pointers to enable the belt to be reset to a desired tension. The blocks B are adjusted by hydraulic cylinders B1. In one embodiment, Fig. 1, screws J, K operated by a tommy-bar inserted in holes j<SP>1</SP>, k<SP>1</SP> cause the block F and the slide G to slide in the slides G, H, respectively so that each block F can be independently adjusted. In a modification, Fig. 2 (not shown), the slides G are adjusted simultaneously by means of a hand wheel secured to a transverse shaft having a bevel gear at each end thereof to mesh with a bevel gear mounted on each screw K. In a further embodiment, Fig. 3, the movement of the blocks F in the slides G is controlled by an hydraulic cylinder N and the vertical movement in the slides H by a cylinder N1. Setting screws O may be provided to limit upward movement of the slides G and may be controlled by a hand wheel P on a shaft p through worms p<SP>1</SP>, p<SP>2</SP>.