baber/WOPTO huggingface dataset:
Patent GB-508225-A (GB)
Title: An improvement in aerodynamic rotors
IPC: B64C27/54
Filed: 1938-01-19
Abstract: 508,225. Aircraft with rotary wing systems. ASH, jun., T. Jan. 19, 1938, No. 1851. Convention date, Jan. 19, 1937. [Class 4] A rotary wing system for either or both the lift and propulsion of aircraft comprises radially extending blades or wings each comprising a plurality of telescoping aerofoil sections each section being connected by a cable to one of a plurality of graduated winding surfaces provided on a reel disposed at one end of the wing. In one form, a head 6, Fig. 1, is formed with wing stubs 7 and carries telescoping aerofoil sections. Each section is connected by a cable 17 to a fusee-shaped winding drum 19 connected by a coiled spring 22, Fig. 2, to a shaft 21..The diameter of the drum portion associated with each cable is so chosen that rotation of the drum causes each section to enter into the adjacent inner section. The serveral sections are slightly' arcuate to give the plan form shown in Fig. 1, and the sections diminish in pitch angle outwardly. The arrangement is such that the span of the blade is determined by the centrifugal forces due to rotation, and the torque of the coil spring 22. In order to compensate, however, for the unbalanced lift of a rotor in translation and to provide means for lateral and longitudinal control, means are provided which are cyclically operative on each axle 21 to vary the span in any zone of the rotor disc ; these comprise a hand lever 23 universally mounted at 28 in the rotor head and carrying at its upper end a tiltable and rotatable ring 24 to which are connected cords 31 wound on axles 21. In the position of the control shown in Fig. 2, the right hand blade is advancing and due to displacement of ring 24 to the left the cables 17 are wound in to reduce the span of this blade whilst the reverse occurs in the case of the right hand blade which is ratreating. Means may be provided for changing the pitch angle of the blade as a whole.
Patent GB-798585-A (GB)
Title: Improvements in and relating to pipes
IPC: F16L9/153
Filed: 1957-01-18
Abstract: 798,585. Lined metal pipes; pipe couplings. COMPAGNIE DE PONT-A-MOUSSON. Jan. 18, 1957 [March 9, 1956], No. 1895/57. Classes 99(1) and 99(2). A pipe comprises an outer tubular metal body 1, Figs. 1 and 2, with a lining 2, e.g., of cement, bitumen, asphalt or synthetic resin, protected by turning over at least one end of the body 1 to form an inwardly curved flange 5 which is flush with the internal surface of the lining. Each pipe T<SP>1</SP> is formed with a socket 3 at one end in which engages the plain end of another pipe T<SP>2</SP>, the joint being sealed by a gasket 11 compressed by a flange 12 against a ledge 7 which protects the end of the lining 2. In a modification, Fig. 4, some of the lining material 15 is extended over the ledge 7 to seal the gap between the ledge 7 and the surface of the pipe engaging therein. Alternatively the end of the lining adjacent the ledge 7 is provided with a recess containing a hemp gasket, the joint being completed by a lead filling poured into the space between the end portion of the socket 3 and the pipe fitting therein. In a further modification both ends of the body 1 are turned over as at 5. The metal bodies 1, preferably of spheroidal graphite cast iron, may be covered with tar, paint or synthetic resin.
Patent GB-1531851-A (GB)
Title: Methods and apparatus for testing earth formations
IPC: E21B49/10
Filed: 1976-01-20
Abstract: 1531851 Formation testers SCHLUMBERGER Ltd 20 Jan 1976 [22 Jan 1975] 2091/76 Heading E1F In a formation fluid testing tool of the type in which a tubular member 43 containing a filter 48 and surrounded by a sealing member 38 is pressed into the formation 13, the end of the tubular member 43 is initially closed by a sleeve 51 and plunger 50, the plunger 50 being retracted first to trap the mudcake 122 lining the borehole and the sleeve 51 then being retracted to uncover the filter 48 and allow connate fluids to pass into the tool. As described the fluid admitting assembly 10 is incorporated in a formation tester of the type described in Specification 1449867. In use fluid under pressure is first admitted to cylinders 40 to press the sealing pad 38 against the bore hole wall, into chamber 45 to press the tubular member 43 into the formation 13 and into chamber 57 to maintain the sleeve 51 and plunger 50 in their forward positions in which they close the end of the tubular member 43. Fluid is then exhausted from chamber 57 and admitted to chamber 56 to bias the sleeve 51 to its forward position and retract the plunger 50 to the intermediate position shown, thus inducting the particles of mudcake 122 into the bore 63 in the sleeve 51. Further rearward movement of the plunger 50 to its fully retracted position then moves the sleeve 51 rearwardly to uncover the filter 48 and allow connate fluids to flow into the tool to line 67. Since moving the plunger 50 and sleeve 51 back to their forward positions expels the particles of mudcake 122 the tool may be used for a plurality of tests.
Patent GB-819451-A (GB)
Title: Improved aromatic olefin polymerization process
IPC: C08F2/46
Filed: 1957-01-21
Abstract: A polymer of styrene or other aromatic olefin such as methyl styrene or divinyl benzene is prepared by subjecting an aromatic hydrocarbon mixture containing the aromatic olefin in aqueous emulsion to high-energy ionizing radiation, particularly gamma rays.  The process is particularly applicable to the polymerization of styrene contained in an aromatic hydrocarbon mixture obtained by the dehydrogenation of ethyl benzene or of a predominantly aromatic hydrocarbon mixture containing substantial proportions of ethyl benzene obtained from an oil refinery process.  The aqueous emulsion may be prepared with the aid of an emulsifying agent which may be a polyethylene glycol ester of a fatty acid, a mixed fatty acid-alkanolamine condensate, a tertiary amine, an alkali metal salt of a naphthenic or fatty acid, such as sodium oleate, an alkali metal or amine salt of an alkyl sulphate, alkyl sulphonate or alkyl aryl sulphonate, or a sulphonated fatty amide.
Patent GB-1071001-A (GB)
Title: Dampers for stepdriving apparatus
IPC: F16F15/129
Filed: 1965-01-18
Abstract: 1,071,001. Torsional vibration dampers; bearings. MOVIT INDUSTRIEANSTALT. Jan. 18, 1965 [Jan. 30, 1964], No. 2133/65. Headings F2A and F2S. A friction-type torsional vibration damper, particularly for damping the oscillations of the rotor 1 of a motor driven stepwise by changing magnetic fields, comprises an annular inertia mass 2 supported upon three equiangularlyspaced ball-bearings 3a, 3b, 3c which are urged by a circular spring 7 against a bearing race 4 fixed to, or integral with, the shaft 1. The spring 7 is fixed by screws 9 to the base of a circumferential groove 10 around the mass 2, the overlapping ends 7a, 7b of the spring being freely slidable over one another and slotted to receive a tensioning screw 8. The groove 10 is deepened at 10a so that, in this region, the spring can be radially adjusted to impose the correct friction upon the bearings 3a-3b, 3c. The latter can be replaced by roller or needle bearings, and the unbalance, due to the groove deepening at 10a, can be compensated for. The spring may be secured to the mass 2 at only one place between two balls.
Patent GB-252224-A (GB)
Title: Improvements relating to the production of partition walls and ceilings
IPC: E04B2/56
Filed: 1925-01-24
Abstract: 252,224. Laurie, A. P. Jan. 24, 1925. Compound or composite slabs.- A composite slab for walls, roofs, and ceilings, cornprises one or more sheets of asbestos board and one or more sheets of ground compressed cork cemented together by an asphalt cement. Fig. 1 shows one construction in which slabs comprising a sheet of ground compressed cork 1 enclosed between sheets 2, 3 of asbestos board are assembled between T-shaped wooden pillars or supports reinforced with a metal strip 6 and secured in position by nailing facing strips 5 to the main supports. In a modified form, the facing members 5 are formed integral with the T-shaped pillars to. produce an I-section, and the reinforcing strip 6 is not fastened to the pillars. In another form, a sheet of asbestos board is enclosed between two ground compressed cork sheets and the whole inserted in T-shaped metal pillars. At points where four walls meet, a pillar with slots 16, Fig. 4, on all four sides is employed. This pillar is preferably of metal, but if wood is employed, reinforcements similar to 6, Fig. 1, would be necessary in each of the four slots 16.
Patent GB-211321-A (GB)
Title: Improvements in or relating to rubber faced paving and like blocks
IPC: E01C5/22
Filed: 1923-01-25
Abstract: 211,321. Gaisman, L. Jan. 25, 1923. Addition to 194,618. Compound slabs.-The lower layer and the projections of the upper rubber slab of the paving- block claimed in the parent Specification are made of balata or gutta-percha, or a mixture of rubber and balata or gutta-percha or of all three, with or without the addition of filling-materials. Asbestos or other substance capable of being combined and moulded with rubber may also be added. The projections may be partly of hard or tough rubber and partly of softer rubber.
Patent GB-1411334-A (GB)
Title: Automatic vending machine
IPC: G06Q50/00
Filed: 1973-01-16
Abstract: 1411334 Coin-freed apparatus; ticket issuing machines OMRON TATEISI ELECTRONICS CO 16 Jan 1973 [27 Jan 1972] 2243/73 Headings G4T and G4V An automatic vending machine comprises a plurality of customer units 11, 12 each provided with respective coin inlets 15, 16, article outlets 19, 20 and customer operated means (17a, 18a for inputting purchase data; and a single unit for processing coin input data and said purchase data, said processing unit serving all of said customer units. In the embodiment described, which is a railway ticket issuing machine, coins of 10, 50 and 100 yen may be inserted and their total value is calculated and memorized in respective devices 33, 34. The push-buttons 17a, 18a are marked with individual values in increments of 10 yen, and all those pushbuttons of a value up to that inserted in the respective coin inlet are illuminated. The depression of one of these illuminated buttons is memorized in a respective device 35, 36. A circuit (Fig. 3, not shown) alternately examines the two sets of push-buttons to determine if one has been depressed and if so produces a control signal C or D to pass the information in memorizing devices 33, 35 or 34, 36 to a change calculating and dispensing device 37 and ticket issuing device 44. Control signals (H) and (I) are also issued to means for diverting the change and ticket to the appropriate outlet opening 19 or 20 (Figs. 4 to 7, not shown). When the change and ticket have been dispensed the memorizing devices of the particular customer unit served are reset and the processing unit is then free to serve the other customer unit.
Patent GB-723017-A (GB)
Title: Improvements in or relating to hydraulic shock-absorbing device for motor vehicles
IPC: F16F9/504
Filed: 1952-01-28
Abstract: 723,017. Hydraulic shock-absorbers ; preventing lateral cant of vehicles. BUELER, A., and STEINBAUER, F. Jan. 28, 1952 [Jan. 29, 1951], No. 2289/52. Classes 108 (2) and 108 (3). The invention relates to a hydraulic shockabsorbing arrangement for a vehicle comprising devices each connected with each axle and the frame and each having a piston 5 (Fig. 7) movable in a cylinder, and only one member 10 movable transversely to the piston under centrifugal force, and adapted to control a fluid passageway C between the working cylinder spaces A, B defmed by the piston 5, and so prevent movement of the piston in one direction. According to the invention, the piston of each device on the " curve-inner " side of the vehicle is prevented from being lifted at least during the main part of its stroke without being prevented from being lowered with its normal shock-absorbing action. The devices on the curve-outer side remain functioning in both directions with their normal shock-absorbing action. In operation, on compression, liquid flows through a passage 11 (shown in the segmental longitudinal section of the piston in Fig. 6) lifting a ball-valve 12. Liquid displaced by entry of the piston rod 4 acts on a spring- loaded floating piston 15. On rebound, liquid flows back through passage C and ball-valve 7. On cornering of the vehicle, e.g. in the case of the shock-absorber on the left-hand side, a ball 10 is driven by centrifugal force up a slope 9 to close the passage C and thus prevent extension of the shock-absorber. A pin 14 by engagement with the piston 15 near the end of the compression stroke engages the ball 12 and prevents it closing. The purpose of this is to prevent the piston on the " curve inner " side being progressively lowered under the effect of bump loads, and finally bottoming. In the construction of Fig. 10, the ball 10<SP>1</SP> is urged by centrifugal force to close a passage 28, and thus prevent upward movement of the operating arm 19 of the shock-absorber. A pendulum responsive to centrifugal force may be employed instead of a ball.
Patent GB-889318-A (GB)
Title: A semi-conductor device having a p-n-junction
IPC: H01L23/31
Filed: 1960-01-21
Abstract: 889,318. Semi-conductor devices. SIE. MENS - SCHUCKERTWERKE A.G. Jan. 21, 1960 [Jan. 21, 1959], No. 2310/60. Class 37. A semi-conductor device having a PN junction is coated with a protective lacquer which includes a substance which, after the application of the lacquer is electro-positively active and which has such a low vapour pressure that it is stable and remains adsorbed at the surface of the device at the normal treatment and operating temperature of the device. The Specification states that the worsening of the characteristic of the silicon rectifier from curve 1 to 2 as a result of heating which may occur in operation is caused by electro-negative charges which become active on the surface of the junction. These charges are neutralized by electro-positive substances. The Specification states that the coating may be a silicone resin containing 20% by weight of alizarin as the electro-positive material.
Patent GB-789558-A (GB)
Title: Improvements in or relating to means for compressing air
IPC: F04B27/06
Filed: 1956-01-24
Abstract: 789,558. Compressors. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES, S.I.A.M. Jan. 24,1956 [Jan. 24, 1955], No. 2370/56. Class 8(1). [Also in Group XXXV] In an air compressor comprising a casing 1 pivotally mounted at 17a, a compression cylinder 2 pivotally mounted therein at 4, a piston 5 having a cup leather 5a forming the suction valve and connected via a bearing 10 to a crank-pin on a worm-wheel 11, and a reduction gear comprising the wheel 11 and a worm-screw 12 driven by a pulley 14 external to the casing for operating the piston, means are provided for rocking the casing to move the drive pulley 14 into and out of driving connection with a frictional driving member 15. Air enters the casing through an opening 18 provided with a filter and the air compressed in the cylinder is discharged through a valve in the pivot 14 into a connection 8 to the reservoir 20. When the pressure in the reservoir falls to allow a spring 21 to move a piston the latter makes an electric contact, thereby actuating an electro-magnet 22, the rod 23 of which then protrudes to put pulley 14 in frictional contact with the driving member 15. When pressure is restored in the reservoir said pressure moves the piston against its spring, thereby opening the electric contact and the pulley 14 is rocked out of contact with the member 15 by the action of a return spring (not shown).
Patent GB-954380-A (GB)
Title: Improvements in or relating to semiconductor devices
Inventor: SANDBANK CARL PETER
IPC: H01L21/00
Filed: 1961-01-20
Abstract: 954,380. Semi-conductor devices. STANDARD TELEPHONES & CABLES Ltd. Jan. 20, 1961, No. 2399/61. Heading H1K. A semi-conductor device is made by evaporating a layer of gold on the surface of a semiconductor (e.g. silicon or germanium) body, pressing a mass of gold-antimony alloy against the layer and then heating to alloy the layer and alloy to the body. Typically the mass is constituted by a foil in register with a circular gold layer on a P-type silicon wafer. Pressure is exerted by a weighted plunger 4 while the assembly is heated to alloy the parts together. An N-type layer of average thickness 0.0005 inch with variations of less than Œ 20% over its area is thus formed beneath the foil.
Patent GB-852507-A (GB)
Title: Improvements in or relating to sealing rings
IPC: B29C33/00
Filed: 1956-01-25
Abstract: 852,507. Piston packing; stuffing-box substitutes. PIONEER OILSEALING & MOULDING CO. Ltd. Jan. 24, 1957 [Jan. 25, 1956], No. 2408/56. Classes 122 (1) and 122 (5). A rubber &c. sealing- ling adapted to seat in a groove of one member and abut another member to be sealed is of generally rectangular cross-section with end faces each presenting two flat surfaces 11, 12 and 13, 14 separated by a recess 17, 18 for engaging opposed walls of the groove and at least one sealing lip 15, 16 or 19, 20 on the outer or inner periphery for engaging the member to be sealed. Several sealing lips, as in Fig. 1, or a single sealing lip 43, 44, as in Fig. 4, may be provided on the inner and outer peripheries. The lips may be sharp or rounded.
Patent GB-834861-A (GB)
Title: Improvements in or relating to electrodes for electric discharge devices
Inventor: SMYTH JOHN ARUNDEL
IPC: H01J19/00
Filed: 1958-01-24
Abstract: 834,861. Making electrodes for electrodischarge devices; welding by pressure; soldering. STANDARD TELEPHONES & CABLES Ltd. Jan. 24, 1958, No. 2460/58. Classes 83 (2) and 83 (4). In making an electrode for an electric discharge device in which at least two parts of the electrode are of molybdenum and are welded together, the surface of at least one of the parts is coated with a paste made from nickel powder and a solution of a cellulose ester and the parts are resistance welded together. In making a frame grid electrode a fine grid 3 is supported between molybdenum rods 1, 2 and parts of molybdenum cross-straps 4, 5, 6, 7 to be welded to the rods are coated, e.g. by automatic means such as a printing roller, with a paste made from nickel powder and a solution containing 3-5% of nitrocellulose in butyl acetate. During resistance welding the solution evaporates to provide a protective atmosphere and the nickel melts and runs into the crevices 9. The paste may be applied to the ends of the support rods.
Patent GB-1121087-A (GB)
Title: Improvements in self-releasing support stays for hinged lids and the like
Inventor: FROSH SIDNEY
IPC: E05C17/08
Filed: 1966-01-19
Abstract: 1,121,087. Stays. S. GREENMAN Ltd. 18 Jan., 1967 [19 Jan., 1966], No. 2490/66. Headings E2A and E2F. A stay, for a hinged lid, which supports the lid in an open position after raising the lid to its full extent and then slightly lowering the same to the supported position, and permits closure of the lid after raising the same from its supported position to its full extent, comprises a channel-section 3 formed with a striker 7 and a cutaway portion, which provides abutments 8a, 8b, and a further channel section 1 formed with lips 1a, which slidingly retain section 1 on section 3, and a pivotally mounted detent 2. As the lid is opened, section 3 moves to the right (as shown in Fig. 3) until the striker engages a notch 6a in the detent, which engagement rotates the detent anticlockwise slightly. A small subsequent movement of channel 3 to the left results in abutment 8b engaging notch 6b, this corresponding to the supported position of the lid. Upon further movement of channel 3 to the right, the striker imparts further anti-clockwise rotation to the detent until limb 9c of the latter meets abutment 8a. Now the channel 3 is free to move to the left for lid closure, during which movement abutment 8b meets limb 9d to impart further anti-clockwise rotation to the detent, which will then have completed a half-revolution from its original position.
Patent GB-931132-A (GB)
Title: Metal extrusion press with multiple container system
Inventor: SALTER FRANK SIDNEY
IPC: B21C35/04
Filed: 1960-01-22
Abstract: 931,132. Extrusion presses. LOEWY ENGINEERING CO. Ltd. April 24, 1961 [Jan. 22, 1960], No. 2525/60. Class 83 (4). A metal extrusion press has at least three billet containers mounted in a rotatable carrier for co-operation with at least three stations, one being axially aligned with the centre-line of the press for extrusion whilst at each of the other stations one or more ancillary operations are performed between two extrusions, each of the outer stations being provided with one or more ancillary devices, each having an implement displaceable parallel both to the base of a container and the centre-line of the press. In the embodiment of Fig. 1, the container carrier 8 is rotatable about a trunnion 9 to bring 3 containers 5, 6 and 7 successively opposite an extrusion station A located centrally of the platen 10 whilst the other two containers are in vertical alignment, station B having a device incorporating an axially movable pusher for ejecting a pressure stem and/or the discard, whilst at the third station C is located a billetloading device 17 comprising an hydraulically operated stem which pushes the billet from a tray 18 into the container 7. Two assemblies 11, 12 are mounted on a rotary carrier 13 carried by a trunnion 14 which lies in a plane containing the axes of the carrier trunnion 9 and the die 11, which is coaxial with the centre-line of the press. The embodiment of Fig. 2 comprises a press 30 in which one of the four columns, 20, provides the support for the container carrier 26, the latter being rotatable by a motor 27 and reduction gear 28 to bring the containers successively opposite the extrusion station D, the other stations being simultaneously engaged by ancillary devices as previously described. In addition to ejection the container at stations B or E may be serviced by cleaning and cooling and/or lubricating by e.g. glass.
Patent GB-370084-A (GB)
Title: Improvements in or relating to reciprocating engines
IPC: F01B17/04
Filed: 1931-01-26
Abstract: 370,084. Fluid pressure engines. HOTHAM, W., Hainton, Day's Lane, Biddenham, Bedfordshire. Jan. 26, 1931, No. 2542. [Class 122 (iii).] Compound engines; t a nde m - cylinder engines.-The piston 1 of a single-cylinder engine is provided with an extension 2 of reduced diameter which works in an extension 3 of the main cylinder 4. The engine works compound. The steam &c. is admitted to the annular area of the piston 1 and exhausts through the valve to the lower side of the piston to effect the upstroke. The top of the cylinder 3 may be exposed to the atmosphere, to a further low-pressure cylinder or cylinders, or to a condenser, or it may act as an air compressor. Reference has been directed by the Comptroller to Specifications 6919/90 and 9326/05, [both in Class 122, Steam engines].
Patent GB-1149739-A (GB)
Title: Ejector seat arrangement
Inventor: FELD MANFRED
IPC: B64D25/10
Filed: 1967-01-17
Abstract: 1,149,739. Ejection seats and detachable cabin roofs. ENTWICKLUNGSRING SUD G.m.b.H. 17 Jan., 1967 [25 Jan., 1966; 25 Feb., 1966], No. 2546/67. Heading B7G and B7W. A cabin roof 107 and an ejection seat 102 with its occupant are ejected from a high speed vehicle (e.g. an aircraft) together the cabin roof turning relative to the seat so as to be in front of the occupant to act as a protective shield fixed to the seat in front of the occupant during the phase of separation of the seat from the cabin. The aircraft may additionally be able to eject the cabin roof separately before the seat if the aircraft is at a sufficiently low airspeed to obviate the need for a protective shield. For this latter form of ejection the cabin roof 107 is ejected by rams 109. In the former form of ejection the cabin roof pivots about a hinge 106, clips 111, 112 on the seat catching pins 110 on the roof. The cabin roof 107 is released and ejected from the seat by the clips 111,1112 at the top of the trajectory, when a braking parachute (121), Fig. 10 (not shown), on the seat is released.