baber/WOPTO huggingface dataset:
Patent GB-751972-A (GB)
Title: Improvements in or relating to catches for securing the lid of a container such as the powder container in a powder compact
IPC: A45D33/00
Filed: 1954-01-29
Abstract: 751,972. Releasable fastenings. KIASHEK, G. Oct. 11, 1954 [Jan. 29, 1954], No. 2835/64. Class 44. A container 1 comprises a base member having a lid 5 hinged thereto along one side, the base member being provided at the side remote from the hinge with guide means disposed substantially parallel to the hinge axis and housing a plunger slidable along the guide means against the action of a spring 12 under the influence of a finger piece 17 located outside the guide means and a catch element 7 adapted to pass freely through an aperture 15 in the plunger or lid to engage under the edge thereof to be retained thereby under the action of the spring, but to be released when the plunger is moved by the finger-piece, the catch element and aperture being provided one on the lid and one on the container. As shown, the container is the powder container of a powder compact, the catch element 7 being on the lid 5 and the aperture in the plunger. The plunger is in the form of a rectangular tubular element made from sheet metal and the guide consists of a flange 4 having a depending rim (not shown) projecting from a wall 1a of the container. The flange 4 has a slot 6 through which the catch element 7 can pass. The catch element is retained by the engagement of a nose 7b of the catch element by an edge 9a of the aperture 15 which is in the top wall of the plunger. The finger-piece 17 projects through a slot in the casing 2 which contains the powder container 1 and it is connected to the plunger by means of a pin 16 which engages in a housing formed in the plunger. The catch element is formed with a cam face 7a so that the catch can engage automatically.
Patent GB-799478-A (GB)
Title: Packaging freshly cut red meats
IPC: B65B25/06
Filed: 1957-01-28
Abstract: The colour of red meat is preserved by packing in a rubber hydrochloroide film containing 25-40 parts of ester plasticizer per 100 of rubber hydrochloride, at least 10 parts of the plasticizer being a permanent liquid dialkyl adipate.  According to an example, a rubber hydrochloride film contains per 100 parts of hydrochloride, 15 parts of di-2-ethylhexyl adipate and 20 parts of 2-ethylhexyl diphenyl phosphate with minor proportions of fogging and blocking agents.
Patent GB-113659-A (GB)
Title: Aeroplane.
Inventor: DEHN FRANK BERNHARD
IPC: B64C1/00
Filed: 1917-02-28
Abstract: 113,659. Dehn, F. B., (Greene Aeronautical Co ). Feb. 28, 1917. Gyroscopic apparatus.-A gyroscopic pendulum for the automatic balancing of aeroplanes comprises a fly-wheel 97 rotated by a wind-driven fan about a vertical axis mounted in a frame 100, which is connected by longitudinal trunnions 101, 102 to a ring 103 mounted on the machine by means of transverse trunnions 104, 105. Rods 106, 107 fixed to the ring 103 are connected below the fly-wheel to a pivot block 108 which is connected by other rods 109 - - 114 to a vertical shaft 115 controlling the winding-gear D of the elevators. Longitudinal tilting of the aeroplane thus rocks the shaft 115 in the direction required for restoring the equilibrium of the machine.
Patent GB-1345984-A (GB)
Title: Material dispenser calculator
IPC: G06F7/62
Filed: 1972-01-21
Abstract: 1345984 Price computer; measuring fluid flow. PAN-NOVA Inc 21 Jan 1972 [30 April 1971] 3075/72 Headings G4A G4H and G4D  In a computer for multiplying unit price by volume of a dispensed material, each of a train of pulses representing unit volumes of the material dispensed opens a gate 21 to release pulses from a clock into a counter 40-42 until the contents is equal to a value set on switches 44-46 representing the price per unit volume when a logic circuit 52-54 delivers a pulse to close the gate; the pulses released by gate 21 are also accumulated in a counter 30-35 recording the total price of the material dispensed. Another counter records the total volume and the total volume and price and the unit price set by the switches 44-46 are displayed at 20, 36, 50, for example, by digitron tubes. The counters all operate in binary coded decimal. The volumes pulses are derived from a flow meter employing a magnet 13 and reed contact 11.
Patent GB-510678-A (GB)
Title: Improvements relating to the preparation of chlorine dioxide
IPC: C01B11/02
Filed: 1938-02-01
Abstract: 510,678. Chlorine dioxide. EVANS. C. H. Feb. 1, 1938, Nos. 3123/38 and 3402/39. [Class 1 (ii)] In the production of chlorine dioxide from a chlorate and an acid, the two reactants are dissolved and the solutions are mixed so that the mixed solution at any stage of the reaction does not mix to any substantial extent during the production of chlorine 'dioxide with the mixed solution at any other stage of the reaction, or with the products formed thereby. In the method of carrying out the invention particularly described, a tank 1 contains a 33 per cent. sodium chlorate solution, and a tank 2 contains a mixture of nine parts sulphuric acid, six parts of water and 85 parts of conc. hydrochloric acid. These liquids flow through the pipes shown to a helical channel 7 in a reaction vessel 4. The chlorine and chlorine dioxide gases evolved are drawn through an outlet 21 by an air b]ast ejector 12, and then separated. They pass through a cooler 14 before reaching the outlet 21. The temperature may be controlled by a water jacket 10. Gases are removed from the spent liquid 20 by blowing air through it from a pipe 17.
Patent GB-691963-A (GB)
Title: Apparatus for cutting and forming textile fibres into continuous slivers
IPC: D01G1/10
Filed: 1948-02-03
Abstract: 691,963. Stapling fibres and preparing slivers therefrom. GIRVAN, D. A. March 3, 1949 [Feb. 3. 1948], No. 3126/48. Class 120(iii) Apparatus for cutting fibres and forming continuous slivers comprises a supply roller 6, a first pair of feed rollers 7, 8, cutting means to give a diagonal cut to the sliver, and second and third pairs of feed rollers 12, 13, 14, 15, the distance between the second and third pairs of feed rollers. being less than the cut lengths of the sliver and the third pair of feed rollers. 14, 15 being driven at a slower speed than the second pair 12, 13; to ensure overlapping of successive cut lengths. The cutting means preferably consists of a pair of cutting rollers 9, 10 having helical co-operating blades, although scissors or guillotines may be used, if preferred. If necessary the sliver ends may be directed positively into the nip of the rollers 14, 15. From these rollers the fibres may be fed into a gill box, or some other type of drawing frame, such as a cotton drawing frame.
Patent GB-1173305-A (GB)
Title: Benzoxadiazocine Derivatives and the Conversion Thereof into Benzodiazepine Derivatives
IPC: A61K31/00
Filed: 1967-01-20
Abstract: 1,173,305. Benzoxadiazocine and benzodiazepine derivatives. F. HOFFMANN-LA ROCHE & CO. A.G. 20 Jan., 1967 [24 Jan., 1966], No. 3150/67. Heading C2C. Compounds of the general formula (R, R<SP>1</SP>=halogen, CF 3 , NO 2 , C 1-4  alkyl, R<SP>2</SP>= phenyl, halophenyl, trifluoromethylphenyl, nitrophenyl, (C 1-4  alkyl) phenyl, C 1-4  alkyl, C 3-7  cycloalkyl; R<SP>3,4</SP> = C 1-4  alkyl broken lines denote optional substituents) are prepared by ring-closing an aminoxy compound of the formula or a syn-imine of the formula optionally followed by N<SP>1</SP>-alkylation. The product may be converted to a compound of the general formula by treatment with a base. The benzoxadiazocine derivatives are anticonvulsants, muscle relaxants and sedatives, and may be administered in the form of pharmaceutical preparations containing them together with a carrier.
Patent GB-162766-A (GB)
Title: Improvements in or relating to fastening devices for door knockers, door and other handles
IPC: E05B1/00
Filed: 1920-02-02
Abstract: 162,766. Thornley, F. C., and Brook, E. T. Feb. 2, 1920. Letter-boxes. - A securing-device for letter-boxes &c. comprises a support 4, secured on the inner face of the door to receive a spindle 6, which is automatically engaged by a spring-pressed pawl 11, pivoted at 12 to the support 4. The pawl is released to remove the spindle by depressing the finger-lever 15. The support 4 may be provided with a set-screw 8 to maintain the spindle rigidly in position. As applied to a letter-box, in which two spindles are used, both spindles may be provided with the securing-device, operated either independently, or simultaneously by connecting the finger-lever by a cross-bar or wire.
Patent GB-808509-A (GB)
Title: Improvements in and relating to strata bolts
Inventor: STEVENSON HARRY
IPC: E21D21/00
Filed: 1956-02-01
Abstract: 808,509. Anchor-bolts. HADFIELDS Ltd. Feb. 1, 1957 [Feb. 1, 1956], No. 3254/56. Class 89(1) An anchor-bolt for holding rock-strata &c., comprises a bolt-member 10, e.g. of forged-steel, with a head 14, and a wedge 18, e.g. of cast-steel, of substantially the same length as the head and assembled therewith to form a composite-head of circular or rectangular cross-section. The head has a surface sloping toward the axis of member 10 and may be formed with a part 12 bent back against the member. In use, the wedge is carried into a bore by a lug 16 on the head, and when a nut is tightened on a screwed-part of the member, the head and wedge move relatively to enlarge the composite-head to grip the bore-wall. To facilitate this relative movement, the wedge may carry a rubberdisc 26 to grip the bore-wall frictionally.
Patent GB-726215-A (GB)
Title: Improvements in and relating to free-piston gas-generators
Inventor: BEALE EVELYN STEWART LANSDOWNE
IPC: F02B71/04
Filed: 1953-02-05
Abstract: 726,215. Free-piston gas generators. MUNTZ & CO., Ltd., A. Jan. 28, 1954 [Feb. 5, 1953], No. 3327/53. Class 7 (1). In a free piston internal combustion operated gas generator of the symmetrical inward compressing type having an engine case 26 surrounding the engine cylinder and acting as a reservoir for compressed air from the compression cylinders 16, 17 and having an exhaust manifold 33 within the engine case and surrounding exhaust ports 32 in the engine cylinder there is provided within the engine case a compartment having walls 36-39 enclosing but spaced from the exhaust manifold and preventing access to the outside of the manifold by air within the remainder of the engine case. The suction valves of the compressor 17 are indicated at 35. The four walls 36-39 of the compartment form part of the structure of the engine case 26 which is either a casting or fabricated from heavy gauge steel plate. The lower ends of all four walls may be welded to the engine case or these walls may be cast solid with the engine case. The flange 41 is welded to the exhaust branch 45. It is not necessary that the joints between the exhaust manifold 33 and the cylinder 18 should be gas tight as the pressure in the compartment reaches a steady value intermediate between the exhaust gas pressure and the engine case pressure. Joints such as are shown in Fig. 2 permitting some relative movement between the exhaust manifold and the cylinder wall to allow for differential expansion are suitable. The diesel cylinder 18 is assembled in the engine case 26 by insertion from the left in Fig. 2. The inboard wall 38 engages a seating 44 on the diesel cylinder. An annular plate 46 is bolted to the wall 39 and a packing ring 52 is provided. It is possible without modification of the basic structure of the engine case to arrange that the exhaust is taken out from the manifold in either an upward or downward direction. It is stated that the invention avoids stopping of the generator due to a fire within the engine case. An alternative which has been tried is to apply lagging to the outside of the manifold. This has been found very difficult to do successfully. A suitable form of compressor head plate 27 is described in Specification 725,816, referred to.
Patent GB-1020423-A (GB)
Title: Improvements in or relating to free machining steel
IPC: C22C38/60
Filed: 1963-01-28
Abstract: The machinability of plain carbon or low alloy steel is improved by the addition of certain elements so that they are present within the following percentage ranges: <TABS:1020423/C6-C7/1> A free machining steel so produced contains: C not more than 0.13; Mn 0.8-1.2; P 0.04-0.09; the above elements in the ranges specified and Fe and impurities, the balance.
Patent GB-1415258-A (GB)
Title: Electrically powered land vehicles
IPC: B60L8/00
Filed: 1973-01-23
Abstract: 1415258 Battery driven vehicles F E FRICKER 14 Jan 1974 [23 Jan 1973] 3398/73 Heading B7H A battery driven vehicle or ship has vanes 7 and 8 on a common axle 9 which drives alternators 26, 27 for recharging batteries 30 that drive the vehicle &c. through a motor 31. The motor 31 also drives alternators 36, 37 when not driving the vehicle &c. to recharge the batteries 30.
Patent GB-327792-A (GB)
Title: A caddie cycle for the carriage and conveyance of a bag of golf clubs
IPC: B62B1/02
Filed: 1929-02-01
Abstract: 327,792. Swinhoe, C. D. Feb. 1, 1929. Hand-trucks.-A wheeled carrier for a golf Dag comprises a frame 1 of wood, steel tubing, &c. mounted on pneumatic tyred wheels by means of brackets 2. A handle 5 is provided which is adjustable by means of a clamp 6. Retaining means 4 comprising straps, rings, &c. are provided. Specifications 25415/97, 8529/09 and 209,196 are referred to.
Patent GB-1324350-A (GB)
Title: Rotary dressing apparatus
IPC: B24B53/07
Filed: 1972-01-25
Abstract: 1324350 Dressing grinding wheels TOYODA KOKI KK 25 Jan 1972 [8 Feb 1971] 3492/72 Heading B3D Apparatus for dressing a grinding wheel 13 having first and second tapered outer peripheral surfaces 13a, 13b intersecting with each other at a predetermined angle and a re-entrant curved surface 13c on the outer edge of the second surface, comprises a first dressing wheel 42 having an annular working surface for dressing the first tapered outer peripheral surface 13a, and a second dressing wheel 57 having a cylindrical surface 57a for dressing the second tapered outer pheripheral surface 13b and an outer edge 57b for dressing the re-entrant curved surface 13c. The grinding wheel is used for grinding the tapered surfaces 2, 3 of a ball race and rounding the outer edge of the surface 2 to a curve 4 so as to prevent damage by that edge to either races moved along a conveyer during finishing. The grinding wheel is mounted on a carriage 11 movable about a pivot 12 on a base 10, and a plate 15 is adjustable about a pivot 14 on the carriage. The plate is formed with a slide 21 along which a feed carriage 25 is adjustable by a screw 27 and handwheel 28 or automatic feed means 26. A slide 23 is movable along a guideway 29 on the carriage 25 by means of a piston-and-cylinder device 24 the slide having a ledge 34 on which is adjustable ably mounted a L-shape plate 35 which, in turn supports a dressing head 45 for adjustment about a pivot 39. The dressing head consists of a motor 44 driving the first dressing wheel 42 which has an annular dressing surface 42a formed of diamond or other abrasive particles. A supporting plate 46 is formed on, and perpendicular to, the lower part of the slide 23 and adjustably carries a L-shaped plate 47  which, in turn, carries a second dressing head 60 for adjustment about a pivot 54. The second dressing head consists of a motor 59 driving the second dressing wheel 57, having a cylindrical dressing surface 57a and an edge dressing surface 57b. In operation, the dressing head 45 is adjusted so that its axis a is parallel to an axis X-X passing through the centre of the grinding wheel, and the dressing head 60 is adjusted so that its axis b is at a predetermined angle to the axis of the grinding wheel. When the device 24 is actuated to move the slide 23, the lower portion of the first dressing wheel dresses the surface 13a of the grinding wheel, and the cylindrical surface 57a and edge 57b dress the surface 13b and re-entrant arm 13c of the wheel. The first dressing head may be adjusted so that the surface 13a is straight or convexly or concavely curved.
Patent GB-325978-A (GB)
Title: Improvements in or relating to scythes
IPC: A01D1/02
Filed: 1929-02-02
Abstract: 325,978. Taylor, W. H. Feb. 2, 1929. Scythes.-The blade a is strengthened at its point by turning its back edge b at right angles to the blade from the box to the extreme point. The edge may be turned up on the front or the rear surface of the blade. Specification 19065/88 is referred to.
Patent GB-498956-A (GB)
Title: Improvements relating to touch-adjusting means for typewriting and like machines
IPC: B41J5/26
Filed: 1938-02-04
Abstract: 498,956. Typewriters. REMINGTON RAND, Inc. Feb. 4, 1938, No. 3594. Convention date, Feb. 13, 1937. [Class 100 (iv)] Keys.-The touch-adjusting device described in Specification 498,955 is manually operable by means on the outside of the frame of the machine. The arrangement shown comprises, as described in the above-mentioned Specification, a set of returning-springs 25 connected to sub-levers 20 and to an arcuate plate 28 secured to posts 36 which pass through holes in brackets 42. For adjusting the plate 28, there is now provided a toggle consisting of an arm 55 pivoted to the side plate 10a, and an arm 60 having a projection 61 which enters a hole 62 in the plate 28. The toggle is adjusted by means of a screwed sleeve 72 which straddles the arm 55 and co-operates with a threaded part 70 of a spindle 64 provided with a knob 68. A spring 45 arranged on the post 36 adjacent to the toggle presses the plate 28 forwards. On turning the knob, the toggle moves the plate rearwards or permits it to move. forwards, and the inclination of the springs 25 is altered to adjust the touch. An indicator 83, arranged over a touch-scale on the front plate 82, is formed on a pivoted arm 75 in connection with the arm 55.
Patent GB-524690-A (GB)
Title: Improvements relating to tone correction or modification in audio frequency amplifiers
IPC: H03G9/08
Filed: 1939-02-03
Abstract: 524,690. Valve amplifying circuits. COLE, Ltd., E. K., and MARTIN, A. W. Feb. 3, 1939, No. 3599. [Class 40 (v)] In a tone control for an amplifier with a negative feed back comprising a condenser 13 with a variable resistance 15 shunted across it, the arrangement is such that when the contact of the variable resistance is in one limiting position the condenser is short-circuited, and maximum high-frequency response is produced by the amplifier, whereas when the contact is moved from said position there is at first a gradual increase in bass response with negligible reduction of high-frequency response, while further or continued movement of the. contact produces a progressively increasing reduction in the high frequency response. As shown, the amplifier comprises two valves V1, V2 coupled in cascade, the feed back being taken from a winding 11 coupled to the loud speaker transformer 10 in the output circuit of the valve V2. The input to the valve VI passes through a network 2 to a volume control resistance 3, the negative feed back path to the valve VI comprising a resistance 12 connected through the condenser 13 to a point between the resistance 3 and a resistance 16, this point being also connected to the contact of the variable resistance 15. A positive feed back to the leak resistance 7 of the valve V2 is provided through a resistance 17 ; this gives a small amount of bass boost by regeneration of V2.
Patent GB-1451002-A (GB)
Title: Door threshhold and weatherseal system
IPC: E06B7/22
Filed: 1974-01-25
Abstract: 1451002 Door threshold and weatherseals SCHLEGEL MFG CO 25 Jan 1974 [26 Jan 1973] 03602/74 Heading E1J A threshold 15 preferably a plastics or metal extrusion has a chamber 20 with a drain 24 and a top opening near the jambs 11. The drain empties outside the door 10 e.g. on to the sill 19. The jamb 11 has a weatherseal 16 shaped to conduct water downwards and via a piece of pile material into the top opening of the chamber. The weatherseal 16 may comprise leaf seals 17 in contact with the edge of the door 10 and 18 in contact with the face. The bottom of the door may have a seal 36 comprising two resilient strips 37 and flexible fins 38. The drain may be provided under the sill 19. The top opening may be connected directly to the drain by a tube. The central section of the chamber may be separated from the ends and kept dry. Additional top openings may be provided in the case of double doors.
Patent GB-556775-A (GB)
Title: Improvements in road or like percussive drills
IPC: E21B1/34
Filed: 1942-03-19
Abstract: 556,775. Percussive tools. DOUGLAS, F. L. March 19, 1942, No. 3668. [Class 124] In a percussive drill the upper end 13 of the tool 14 is disposed in a socket 12 and is hit by the stem 20 of a striker 18, 19 within a cylinder 16 in which a plunger 21 is reciprocated by mechanical means outside the cylinder, an air cushion being retained in the space 30 between the plunger and the striker, and the space 29 above the plunger being connected to the space 31 below the striker by a transfer passage 32. The connecting rod 24 of the plunger may be connected to the piston 39 of a two-stroke internal combustion engine 22, or to a crank connected by a flexible shaft to a remote prime mover. Two circumferential grooves 36, 37 are formed in the connecting rod 24 to register with a transverse passage 35 when the plunger is in its highest and lowest positions respectively. At one end the passage 35 is open to the atmosphere, and at the other end it is connected to a port 33. Ports 38 connected to the atmosphere are arranged just above and below the striker when in its lowest and highest positions respectively. Ports 40, 41 with manuallycontrolled valves may be employed to stop the striker without stopping the prime mover, In a modification, the passage 35 and grooves 36, 37 are disponsed with, the port 33 opens direct to the atmosphere, and the plunger 21 is provided with an upwardly extending skirt.
Patent GB-590582-A (GB)
Title: Improvements in or relating to exposure meters for use with photographic enlargers
IPC: G01J1/12
Filed: 1945-02-14
Abstract: 590,582. Photographic exposure meters. DAVIES, A. E. Feb. 14, 1945, No. 3692. [Classes 97 (i) and 98 (i)] The meter, for use with a photographic enlarger, comprises a constant light source and two independent means, such as optical density wedges, for controlling the intensity of the light emitted from the source, which is compared with the light emitted through a negative in the enlarger, one of said means being operable to match the intensities of the light from the source and that passing through a relatively thin portion of the negative and' being calibrated to indicate enlargement time, while the other means is operable to match the intensity of the light emitted from the source with that of light passing through a relatively dense portion of the negative and is calibrated. to indicate contrast range. As shown, light from a constant source a is directed through a circular opening in a mask n<1> to form, on an inclined screen d, a light spot e, which is rendered semicircular by the interposition of an inclined screen g which cuts off half the beam. This screen g also reflects on to the screen d, to form a juxtaposed light spot h, the light from the enlarger which passes through the negative, a ground glass screen m and a semicircular opening. in a mask f. Suitably' calibrated elements ,s and w such as cylindrical density wedges concentric with source a and capable of angular adjustment about the source, are provided to vary the brightness of spot e to match that of spot h. Thus, selecting the light from the enlarger which passes through the least dense part of the negative, the element s is adjusted until slots e, h are equally bright, the scale reading on the element then giving the enlargement time. By selecting light from the enlarger which passes through the densest part of the negative and adjusting element w, a reading is obtained indicating the grade of paper to be used. An element t of similar construction may also be provided and used, prior to the operation of either element s or w, to match the light from source a with that from the enlarger without the negative.