baber/WOPTO huggingface dataset:
Patent GB-381148-A (GB)
Title: Adjustable displacement gear pump
IPC: F04C14/14
Filed: 1931-03-20
Abstract: 381,148. Rotary pumps. SVENSON, E. J., 301, South Water Street, Rockford, Illinois, U.S.A. March 20, 1931, No. 8685. [Class 110 (ii).] In a rotary pump comprising intermeshing toothed drums 20, 22, the latter drum is formed with two series of radial passages 58, 58a for the escape of fluid trapped between the meshing teeth, the passages communicating with a central bore in which is arranged a valve capable of adjustment to such a position that the whole of the trapped fluid is delivered either to the high-pressure side 66 of the pump or to a point external of the pump casing. Fig. 3 shows a valve 42, rotatable by a lever from outside the casing and having a transverse port 44 adapted to register with a number of the passages 58, 58a, the valve being shown in the position in which the whole of the trapped fluid is delivered to the high-pressure chamber 66 ; by rotating the valve in an anticlockwise direction, the displacement of the pump is progressively reduced owing to the establishment of communication between the passages 58, 58a and the pump inlet chamber 64. Figs. 8 and 9 show a modification in which the valve 42a, operated by the lever 52a, is formed with a central duct 78 and a pair of radial ports 82, 84, the latter communicating with an enlarged peripheral port 86 which registers with the radial passages 58, 58a in succession as the drums rotate. The duct 78 is connected by a pipe line 80 to any point where fluid under pressure is required, the pump being thus enabled to deliver simultaneously two independent supplies of pressure fluid. To facilitate entry of the trapped fluid to the passages 58, 58a, recesses 88, Fig. 8, extending across a substantial part of the width of the drums, are provided. The construction of the gear teeth 60, 60a is such that a tooth in one drum entirely fills the complementary sphere between the teeth on the other drum, and the teeth are so shaped that the ratio of the dimensions G, H, Fig. 10, is approximatelv 3 : 1 while each of the curved surfaces X, Y is the arc of a circle having a radius approximately three times the height of the teeth and its centre on a circle passing through the bottom of the teeth. Specification 368,792 is referred to.
Patent GB-1457189-A (GB)
Title: Magneto-resistive pick-ups
IPC: G11B5/39
Filed: 1974-02-26
Abstract: 1457189 Magnetic heads COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE 26 Feb 1974 [27 Feb 1973] 8705/74 Heading G5R A magnetic head has a first 1 and a second layer 2 of anisotropic magneto-resistive magnetic material which are spaced apart and magnetostatically coupled together, the layers being parallel and identical, terminals A, B, C, D being provided to pass parallel currents through layers 1, 2, and the easy axes a, b of layers 1 and 2 being at 90 degrees to one another and each at 45 degrees to the direction of current flow through the layers. The layers 1, 2 may be spaced apart by a layer 15 of electrically insulating non- magnetic material. The terminals are connected to a constant voltage source so that current enters layer 1 through terminal A and layer 2 through terminal D (or C) the voltages across the layers being summed by connecting terminals B and C (or B and D) to first and second inputs of a summing amplifier having a third input to which is applied a constant voltage equal to minus the sum of the voltages obtaining across layers 1 and 2 when subjected to identical magnetic fields, whereby the output of the amplifier is zero when layers 1, 2 are in the same field but which output otherwise has a magnitude and polarity indicative of the amplitude and direction of magnetization of discontinuities on the record medium corresponding to recorded signals. The head may be formed by depositing 82% Fe, 18% Ni, Fe-Ni alloy 1 on to a glass or ceramic subtrate 10, provided with upper connections 11,12 in the presence of an orientating magnetic field, then adding an SiO 2  layer 15, further Fe-Ni alloy 2 in an orientating field, copper conductors 13, 14 and a protective SiO 2  layer 16. The connections 11, 12 and 13, 14 may alternatively be formed simultaneously with layers 1, 2 and of the Fe-Ni alloy. Each layer 1, 2 may have dimensions of about 1 mm. long, 60 microns wide, and 600 Angstroms thick, with a spacing between layers 1, 2 of 0À8 microns.
Patent GB-1089313-A (GB)
Title: Apparatus for positioning a derrick and associated drilling equipment over a marine drilling site
IPC: E02B17/00
Filed: 1966-03-01
Abstract: 1,089,313. Earth-drilling. BETHLEHEM STEEL CORPORATION. March 1, 1966 [March 2, 1965], No. 8859/66. Heading E1F. Apparatus for positioning drilling equipment on a platform 3 over a marine site comprises a lower carriage 2 movable along rails 4 and a upper carriage 6 supporting a derrick (not shown) and movable along rails 7 mounted on the carriage 2. Each carriage is moved along its respective rails by means of hydraulically actuated cylinders 26 and pistons 27 operating in conjunction with a ratchet mechanism 33 which engages holes 25 in a flange 14 on each rail the ratchet being reversible to allow movement of the carriages in either direction along the rails. The rails 4 may have continuations on an adjacent structure to permit transfer of the equipment from the platform to the structure.
Patent GB-108498-A (GB)
Title: Improvements in Smelting Furnaces.
Inventor: LUNDBERG ELOF KARL HJALMAR
IPC: F27B14/00
Filed: 1916-06-23
Abstract: 108,498. Lundberg, E. K. H. June 23, 1916 Metallurgical furnaces. - Smelting-furnaces are provided with closed-in hearths formed of receptacles 7 permanently located in the smelting- chambers and having tap holes in connexion with spouts or troughs 9, Fig. 3, for the molten metal. The receptacles are introduced in an unburnt condition and burnt by the heat of the furnace preparatory to smelting. They are covered in by arches or vaults 6. The floors of the chambers are inclined and fluted or provided with channels 10, terminating beneath the spouts, for the escape of molten metal in case a receptacle should break. .The furnace is preferably fired by a gas-producer 1, regeneratively heated air being supplied to the gas at 19. The ignited gas passes round the smelting chambers through flues 12, the lower floors of which are formed with transverse flutes or recesses inclining to outlets 14 for the molten metal in case the bottom of the smelting chamber above should be broken through.
Patent GB-360794-A (GB)
Title: Improvements in and relating to the cooling of annealed material
IPC: C21D1/84
Filed: 1931-03-23
Abstract: 360,794. Annealing. F E L T E N & GUILLEAUME CARLSWERK AKT.-GES., M³lheim, Cologne, Germany. March 23, 1931, No. 8899. Convention date, April 2, 1930. [Class 72.] In order to cool annealed material contained in annealing boxes, the box a is suspended on stands in a cooling pit b in which air is circulated for cooling. After this cooling, water is sprayed by an annularly arranged rose c against the wall of the box a. The used cooling water is collected and returned to the rose c by a pump.
Patent GB-240080-A (GB)
Title: Method and arrangements for improving the effect of depth or relief in cinematographic and other high speed view taking apparatus
IPC: G03B35/00
Filed: 1925-04-03
Abstract: 240,080. Rignon, J. A. April 3, 1925. Lens fittings.-The lens aperture of kinematograph or high-speed cameras is automatically and progressively varied in size during the exposure of each picture between limits 'both of which are adjustable. In the form shown, a sleeve, rotatable on a ball bearing on the lens tube, actuates an iris diaphragm, and is controlled by a lever 6, pivoted to it at 16, the free end of which is slidable in a member 5 rotatable on a slide 4 which may be clamped in any position in a slot 3 formed in a plate 2 which is mounted at its centre on the shutter controlling shaft. The rod 6 has a series of perforations 7 any one of which may be engaged by a spring pin 10 on the member 5. The diaphragm may be adjusted by hand by means of a detachable rod 21 working over a scale 25 of lens apertures, and a scale 24. Pointers 11, 12, on the slide 4 work over scales 13, 14 on the plate 2. If the lens aperture is to vary between, say, F/4 and F/16, the rod 21 is set in turn to these readings on the scale 25 and the corresponding readings, namely 1.5 and 8.5, on the scale 24 are noted. The difference of these readings, namely 7, denotes the number, on the scale 13 or 14, opposite which the pointer 11 or 12 of the slide 4 must be set before clamping the slide 4 in the slot 3. The scales 13 and 14 are used respectively for increasing and decreasing apertures. The spring pin 10 is then released from the rod 6, the diaphragm is set bv means of the rod 21 to the initial opening, and the pin 10 is allowed to re-engage the rod 6. After detaching the rod 21, the apparatus is ready for the exposure, during which the rotation of the shutter controlling shaft effects the desired variations of lens aperture. The apparatus is brought back to the starting position on the closing of the shutter.
Patent GB-825372-A (GB)
Title: An improved flyer
Inventor: DAKIN GEOFFREY
IPC: D01H7/30
Filed: 1956-03-22
Abstract: 825,372. Flyers. BRITISH COTTON INDUSTRY RESEARCH ASSOCIATION. March 20, 1957 [March 22, 1956], No. 8921/56. Class 120(2) A flyer has a hollow leg 11a in which is a slot 13 sufficiently wide relative to the diameter of the roving, to preclude the formation of plugs and tufts in the flyer leg and so positioned that it commences at the outside face of the hollow leg near to the axis thereof and finishes at the leading face but the greater part of its length is in the trailing face of the leg. The slot 13 terminates before it reaches the end of the leg so as to provide a full annular support for the lower end 12b of a presser 12 the upper end l2a of which is supported .by a leg 14.
Patent GB-634664-A (GB)
Title: Improvements in or relating to cold storage rooms or the like
IPC: F25D23/06
Filed: 1947-04-02
Abstract: 634,664. Cold storage rooms &c. ISOLERINGSAKTIEBOLAGET, W. M. B. April 2, 1947, No. 8944. Convention date, April 4, 1946. [Class 29] In cold storage rooms &c. having spaced inner and outer walls 12, 14 with insulation 10 and an air passage 15 between them the air in the passage is dried by passing it through an insulated 'chamber 30 with cooling means 28 which reduces the temperature below the freezing point of the moisture. The room is cooled by the evaporator 22, 23 of a refrigerating plant 18 which also cools the chamber 30 through a closed secondary evaporating-condensing system 24, 32, 34, 28 containing dichlorodifluoromethane. Air from the upper portion of the passage 15 passes through a pipe 46 to the chamber 30, deposits its moisture on the evaporator coil 28 of the secondary system and descends through an insulated pipe 48 to a lower portion of the passage 15. At intervals governed by a time switch 56 a solenoid valve 36 in the secondary system is closed and a heater 50 energized to defrost the coil 28, the melt water flowing through a fibrous plug 60 also thawed by the heater. The secondary system comprises a pipe 24 in heat transfer relation with the main evaporator pipe 22 and connected to a vessel 32 and to the coil 28 through a pipe 26 leading to a condenser coil 64 outside the cold storage room the other end of which is connected by a pipe 66 to the pipe 24. The vessel 32 is connected to the other end of the coil 28 through the solenoid valve 36. In winter when the main evaporator 22, 23 is out of use the coil 64 acts as the condenser coil of the secondary system. In a modification the coil 28 with its valve 36 is in parallel with the main evaporator 23, and the air duct 15 communicates with the inside of the storage room at the top and with the outside air at the bottom through an insulated riser pipe outside of, and of the same height as, the room. The upper part of the room is also directly connected to the outside air. In summer when the coil 28 is operating, air circulates downwardly in the pipe 48 and upwardly in the passages 15 to issue into the room and warm air issuing from the outside riser pipe draws air into the room. In winter air passes downwardly through the outside pipe and upwardly through the spaces 15 to issue into the room, a corresponding quantity escaping directly to the outside.
Patent GB-335230-A (GB)
Title: Improvements in or relating to sound-recording and sound reproducing apparatus
IPC: G11B15/22
Filed: 1929-03-20
Abstract: 335,230. Fisher, S. March 20, 1929. Drawings to Specification. Electric and magnetic. - To stop an electric motor rapidly the motor has a brake (250, Fig. 14, not shown) which is applied by the armature of an electro-magnet, the circuit of which is closed when the motor circuit is broken. As considerable power is required to move the brake armature an auxiliary armature which is moved easily, by the initial current supplied to the brake electro magnet, is provided, the operation of which closes a switch to allow the full pressure of the mains to pass through the solenoid of the electric-magnet. The final movement of the brake armature breaks the solenoid circuits.
Patent GB-376255-A (GB)
Title: Improvements in or relating to metal windows, doors or the like
IPC: B63B19/00
Filed: 1931-03-25
Abstract: 376,255. Hinged windows ; doors. UTLEY, T., Silverdale Avenue, Tuebrook, Liverpool. March 25,1931, No. 9178. [Class 20 (iii).] A window or door frame for ships or the like is provided with a continuous buttress or thickened part between the flange A which is secured to the support and the web A<1> projecting therefrom, and the edges of the flange are rounded at the corners. The web A<1> may be provided with a strengthening flange A<5> of the. same depth as the buttress and a seating flange A<2> for the window or door. The frame may be built up of lengths mitred and welded at the corners, which are then rounded by grinding. A rubber sealing ring B5 is provided in the movable frame B and a co-operating groove A<3> in the seating flange A<2>.
Patent GB-278972-A (GB)
Title: Coal conveying apparatus for mines serving at the same time as gobbing conveyer
IPC: B65G17/12
Filed: 1927-04-04
Abstract: 278,972. Terlunen, H. April 4, 1927. Adjustably supporting and guiding endless belt conveyers with articulated receptacles ; driving- gear; discharging devices: standards.-The conveyer comprises a series of boxes or trays jointed together and formed so as to carry material on both the upper and the lower run, so that coal may be taken from the working face and gobbing material delivered thereto for filling the goaf. The bottom g of each box, Fig. 2: is pivoted and is released automatically by a lever &c. (not shown) to deliver the gobbing material. The sides of the boxes have external flanpes f which engage the driving wheels b and rest on guide rollers n on the intermediate standards l. The shaft a is adjustably mounted on the end standards l.
Patent GB-997123-A (GB)
Title: Improvements in or relating to disc brakes
IPC: F16D55/00
Filed: 1963-03-13
Abstract: 997,123. Disc brakes. H. TEVES, E. A. TEVES, and M. TAUSEND, [trading as TEVES MASCHINEN - UND - ARMATURENFABRIK KOMM.-GES.]. March 13, 1963 [March 26, 19621, No. 9951/63. Heading F2E. In a spot-type vehicle friction disc brake, resilient means restoring a brake lever 5 on brake release comprises circular cross-sectioned resilient material rings 8 compressed between opposed surfaces of the lever and elements rotatable therewith and of pivot lugs 7 on the brake housing, the rings becoming elastically deformed during pivotal movement of the lever and sliding on said surfaces only after a predetermined amount of said movement. Thus the degree of restoration of the brake pads corresponds to the elastic deformation of the rings, and pad wear corresponds to the sliding of the rings. The rings 8 are disposed in grooves is surfaces 10, 11 of the lever and the lugs, the grooves being of less depth than the ring thickness. A nut 12 on a threaded pivot shaft 6, with which the lever is rotatable, adjustably compresses the rings through washers 13, 14 non-rotatable on the shaft 6. The lever 5 is actuated by a cylinder 3 through a lever 4.
Patent GB-622859-A (GB)
Title: Improvements connected with potato and like chipping machines
IPC: B26D3/20
Filed: 1947-04-08
Abstract: 622,859. Cutting and slicing vegetables. PRESTON & THOMAS, Ltd., and CORNELIUS, R. C. April 8, 1947, No. 9266. [Class 5(i)] A potato-chipping machine comprises a hopper 1 below which is mounted a reciprocating platform 13 carrying a horizontal slicing knife 14 having depending vertical cutters 15 which enter slots in a stationary slotted block 11 mounted below the hopper and serving to guide the potatoes and to eject the chips into an inclined delivery shoot 17. The rear wall of the hopper is steeply inclined to assist in guiding thepotatoes towards the slotted block, the centre part of which is cut away. The platform is carried on an upright member 18 which is mounted on a rotating helicallygrooved shaft 20 similar to that described in Specification 580,561.
Patent GB-437105-A (GB)
Title: Vehicle brakes
IPC: F16D51/22
Filed: 1934-03-24
Abstract: 437,105. Shoe brakes. M.G. CAR CO., Ltd., CHARLES, H. N., and COUSINS, H. E. C., Pavlova Works, Abingdon-on-Thames. March 24, 1934, No. 9284. [Class 103 (i)] A pair of brake shoes are applied each by a separate cam, each cam being carried by or forming part of a roller which bears upon the other roller whereby the cams float and friction is reduced. Means for centralizing the shoes irrespective of unequal wear thereof is also described. The cam face 22 engaged by the end of each shoe 12 is formed as a flat in a groove 24 in a D-shaped roller 23. Each roller is carried by a spindle 18 which passes with clearance through the anchor plate 14 and carries another roller 25. The rollers 23, 25 of one cam bear on those of the other. The operating arms 19 secured to the spindles 18 are connected respectively to the cable and casing 20, 21 of a Bowden mechanism whereby equal force is applied to the arms. For centring the shoes with respect to the drum irrespective of wear, they are connected by links 26 to a rocking arm 27 pivoted at 28 on an arm 29 which is pivoted at 30 tightly in the anchor plate 14 so that if in an application one shoe engages the drum before the other the pivot 28 is displaced. The shoes are pivoted to the anchor plate at their lower ends.
Patent GB-177802-A (GB)
Title: Improvements relating to the operation of the fuel delivery valve of a carburetter
IPC: F02M1/00
Filed: 1922-03-31
Abstract: 177,802. Ballet, M. March 31, 1921, [Convention date]. No Patent granted (Sealing fee not paid). Spray carburettors.- The fuel - valve is actuated from the dash-board or other easily accessible position through rods connected to one another and to the valve by Cardan joints. A crosshead a on the fuel-valve is secured to one member b of a Cardan joint c, the other member of which is connected to a rod d which is joined, through a second Cardan joint f, to a rod g, which is screw-threaded through a guide k on the windscreen frame l and is provided with an actuating- handle o. A guide-plate i is fitted to the dashboard h where it is traversed by the rod g. The joint members are adjustable on their rods and may be locked after adjustment. Reference has been directed by the Comptroller to Specifications 9504/11, 151,152, and 177,852.
Patent GB-1214712-A (GB)
Title: Contraceptive preparations
Filed: 1968-02-27
Abstract: 1,214,712. Contraceptive preparation. SCHBRING A.G. 27 Feb., 1968 [28 Feb., 1967], No. 9347/68. Heading A5B. A contraceptive preparation suitable for parenteral administration or administration by implantation comprises, in unit dosage form, from 0.5 'to 100 mg. of a gestagen in admixture or conjunction with from 0.5 to 500 mg. of an oestrogen. The preparation may be used to treat domestic animals and the oestrogen and the gestagen may be administered simultaneously or separately. Many suitable oestrogens and gestagens are specified.
Patent GB-1215094-A (GB)
Title: An assembly for positioning a rock drilling apparatus.
IPC: F16M11/04
Filed: 1968-02-27
Abstract: 1,215,094. Rock drills. ATLAS COPCO A.B. 27 Feb., 1968 [10 March, 1967], No. 9408/68. Heading B3C. An assembly for positioning a rock drilling apparatus comprises a boom 12, a bifurcated bracket 11 having journal bearings for receiving a horizontal axle 14, a substantially U-shaped member 15 integral with the axle, an axle 24 perpendicular to the axle 14 and fixed to a U- shaped carrier 25 of feed shell holder 26, a hub including spaced plates 17 mounted on the axle 14 for rotation therewith, and hydraulic rams 18, 34 for effecting movement of the holder about the axes of the axles. The plates 17 have a plurality of connection points for the piston rod of ram 18. The holder is adapted to slidably receive a feed sheet 28 carrying a rock drilling apparatus 29, the shell being reciprocable by a ram 31. The axle 14 is splined and the hub is complementarily splined. The axle is of such a shape that it can be selectively positioned as shown in full and dashed lines in Fig. 1.
Patent GB-342591-A (GB)
IPC: C23C8/00
Filed: 1930-03-24
Abstract: 342,591. Making screw propellers. SOC. ANON. L'HELICE M•TALLIQUE, BREVETS PAULHAN - PILLARD, 4, Boulevard Michelet, Marseilles, France. March 24, 1930, No. 9419. Convention date, April 19, 1929. [Classes 83 (ii) and 83 (iv).] Stamping.-A metallic air screw, having its strength at each section proportional to the bending moment, is made by non-uniformly reducing the wall thickness of a tubular blank, severing longitudinally, shaping the two parts and then rejoining them. The blank may be reduced by turning and, after severing, the parts may be cut to shape, pressed in dies, and finally welded together.
Patent GB-314566-A (GB)
Title: Improved means for indicating and/or recording temperatures
IPC: G01K1/04
Filed: 1928-03-29
Abstract: 314,566. Neale, J. March 29, 1928. Tell-tale apparatus. - For indicating or recording the reading of a liquid-expansion thermometer, a source of light is arranged to throw a shadow of the liquid column on a light-sensitive device which is included in an indicating circuit or a Wheatstone bridge circuit so that variations in its resistance can be measured. The Figures show the invention applied to a maximum and mini. mum thermometer with two limbs A, B. A source of light C and lenses D are arranged so that shadows F of the two columns are thrown on to two selenium &c. cells G each of which forms one arm of a Wheatstone bridge provided with a measuring instrument H. Cylindrical lenses E may be provided for magnifying the shadows laterally.
Patent GB-587937-A (GB)
Title: Improvements in or relating to ventilators for vehicles
IPC: B60H1/26
Filed: 1944-05-18
Abstract: 587,937. Ventilators. ROE, J. J. A. May 18, 1944, No. 9536. [Class 137] In vehicle ventilators having a louvred cover 10 with at least some of the louvres arranged directly over an aperture in the body, a baffle plate 15 is disposed between the aperture and cover and a water collecting channel 17 formed by a flanged tube 14 within the aperture permits of discharge of water through holes 18. Plate 15 which is larger than the aperture obstructs the direct path between any louvre opening and the aperture but permits air to pass freely in either direction.
Patent GB-1307937-A (GB)
Title: Process for the manufacture of composite materials
IPC: C08G18/00
Filed: 1970-02-27
Abstract: 1307937 Boots &c ISAR-RAKOLL-CHEMIE GmbH 27 Feb 1970 [27 Feb 1969] 9654/ 70 Heading A3B [Also in Divisions C3 and B5] Shoe uppers, e.g. of soft polyvinyl chloride, leather or synthetic fibre reinforced microporous polyurethane, are bonded to soles a, e.g. of soft polyvinyl chloride, leather or rubber, by means of a solvent-free polyurethane adhesive which has been prepared by mixing small quantities of materials which will react to yield a mixture having a pot life of up to 2 minutes and immediately applying a thin layer to the surface(s) to be bonded. The assembly time is thereby increased.