baber/WOPTO huggingface dataset:
Patent GB-769013-A (GB)
Title: Improvements in electrical generators
Inventor: HAPPE REGINALD WILLIAM
IPC: H02P9/20
Filed: 1954-05-05
Abstract: 769,013. Automatic current control systems. MUREX WELDING PROCESSES, Ltd. March 2, 1955 [May 5, 1954], No. 13144/54. Class 38 (4). In a generator unit for supplying the starting motors of aircraft engines, the windings of a relay are differentially energized from a reference source and by a signal representing the generator load current. If the latter exceeds the reference, the relay is actuated to increase the resistance in the field circuit of the generator, thereby decreasing the line voltage until the current drops again. Relay windings 15, 16 are energized by a voltage across a resistor 18 in the load circuit of a D.C. generator 10 and from a D.C. reference source 21 respectively, so that a rise in load current above the reference results in relay contacts 17 being opened to connect a resistor 22 in circuit with field winding 24. In a modification, Fig. 2 (not shown), the relay contacts are closed when the current exceeds the reference, thereby short-circuiting a resistor in a carbon pile voltage regulator circuit to vary the excitation of the generator. The invention is said to be applicable to A.C. generators.
Patent GB-1129181-A (GB)
Title: Improvements in or relating to pulse motor change-over and drive systems
IPC: G05B19/40
Filed: 1966-03-24
Abstract: 1,129,181. Programmed control of machine tools. FUJITSU Ltd. March 24, 1966 [March 25, 1965], No.13151/66. Heading G3N. [Also in Division H2] In a pulse motor control system, a pulse motor drive and amplification circuit is selectively connected to a pulse motor associated with a desired axis of movement and the remaining pulse motors clamped. As shown, an input tape is read by a pulse distributer D1S which sends out a pulse train from a terminal +XP, -XP, +YP, -YP to a pulse distributer RCX, RCY and a steady signal, indicative of a selected axis, on terminals X, Y. The pulse distributer provides and output sequences X 1 , X 2 , X 3  or Y 1  , Y 2 , Y 3  to a gating network G which is enabled by the signal X, Y to provide an appropriate pulse sequence J 1  - J 3  to a pulse motor drive and amplifier circuit PA. The signal X, Y through an amplifier MAX, MAY energizes a clamping device CX, CY permitting the selected motor to be operated by a pulse sequence K 1  - K3 from the circuit PA which is applied through contacts rX 1  - rX 3  or rY 1  - rY 3 , closed by a relay RX, RY energized by the amplified signal X, Y, to the windings XCA - XCC, or YCA - YCC of the selected three-phase pulse motor PMX, PMY. The pulse motors position a table of a milling machine directly or control the step-wise rotation of a hydraulic motors driving the table.
Patent GB-131907-A (GB)
IPC: D21J1/16
Abstract: 131,907. Arosio, M. June 26, 1918, [Convention date]. Plastic compositions containing vulcanized fibre.-Vulcanized fibre is coated with a film of celluloid or acetyl-cellulose to render it impermeable and non-hygroscopic.
Patent GB-109646-A (GB)
Title: Improvements in the Valves and Valve-gear of Internal Combustion Engines.
Inventor: BIRRELL WILLIAM
IPC: F01L7/04
Filed: 1916-09-18
Abstract: 109,646. Birrell, W., and Birrell, J. Sept. 18, 1916. Toothed wheels and pinions.-The inlet and outlet ports of a four-stroke cycle internal-combustion engine are controlled by a pair of split concentric sleeve valves 14, 15 which rotate in opposite directions at one-fourth the speed of the crank shaft. The valves are serrated at their upper edges, as at 19 to engage corresponding serrations on the undersides of a pair of worm wheels 20<1>, 21<1> the teeth of which are oppositely inclined to engage a common worm wheel 22, Fig. 3, having broken teeth.
Patent GB-133406-A (GB)
IPC: F24C15/10
Abstract: 133,406. Fletcher, F. P. March 18, 1919. Heating by electricity.-The contact surface of a hot-plate is stamped or pressed from thin sheet metal which is grooved, fluted, or otherwise stiffened by projections on the underside, the resulting projections being employed for fixing the heating-elements, so that each element is separately supported and removable. As shown, a steel plate a has grooves c' to which ears d' on crossbars d are secured, for instance by welding, so as to form a box-girder construction, the heating- elements f being clamped by screws g bearing against plates e. In a modification, the plate a has L-shaped stiffening-bars attached to it by welding. The grooves may be arranged transversely, radially, &c. The plate may be perforated at the edge to prevent conduction'of heat to legs formed in one piece with the plate.
Patent GB-829137-A (GB)
Title: An automatic drain valve for rotary compressors
IPC: F04C28/26
Filed: 1957-04-26
Abstract: 829,137. Rotary compressors. NICHOLS, T. W. Feb. 21, 1958 [April 26, 1957], No. 13345/57. Class 110(2). An oil drain valve 7 for a rotary compressor, placed between the lowest point of the compressor and a compressed air receiver, opens automatically when the receiver pressure drops, and allows oil to drain from the compressor to the receiver. Fig. 2 shows one form of valve 7, kept closed by pressure from the receiver acting through a duct 5, on a piston 6, connected to the valve. A duct 8 in the piston may be dispensed with, spaces 9 and 5 being connected externally to allow oil drainage. Instead of a piston 6, a flexible bellows or a diaphragm may be connected to the valve.
Patent GB-133653-A (GB)
IPC: A63F5/04
Abstract: 133,653. Tenney, F. July 9, 1919. Games of chance.- An apparatus for playing games comprises a rotatable disk 2, Fig. 3, having a concave upper surface upon which a ball may be placed, the ball being thrown off by centrifugal force so as to fall into one of a number of holes or compartments b, Fig. 1, formed in a stationary base 1. The rotatable disk 2 is secured to a hand-operated spindle 6 supported in a ball-bearing 7. Adjustable feet 5 are provided for levelling purposes. Projections or depressions may be formed on or in the surface of the rotatable disk. Instead of securing the disk 2 to the spindle 6, the disk may be secured to a metal sleeve 53, Fig. 17, adapted to fit over a pivot secured to the base 1. The top of the spindle 6, Fig. 3, or of the sleeve 53, Fig. 17, may be fitted with a rotatable head 48, Fig. 16, connected to the spindle, or to the sleeve, by means of a spring-pressed pawl 51 and a ratchet wheel 47, thus allowing a succession of impulses to be imparted to the disk. In a further modification, the disk 2 is rotated by means of a hand-operated pulley mounted on an extension of the base 1, and by an endless band passing over a pulley on the spindle 6, whilst in a further modification, the disk is driven by means of a handle and a pair of bevel wheels. In the modification shown in Fig. 12, the disk 2 is given a series of impulses by giving a succession of rotary movements to a handle 41, which is connected by an arm 37 and a link 36 to a toothed quadrant 33. The quadran @ engages a pinion 32 connected to the spindle by means of a pawl and ratchet so that the quadrant drives the spindle in one direction only. The quadrant is normally held out of gear with the pinion 32 by means of a spring. The balls, which may be distinctively coloured, may be weighted on one side, or may be provided with one or more flat surfaces. The surface of the board, Fig. 1, may be divided into four equal parts, each having thirteen compartments corresponding with the thirteen cards of the suits of a pack of ordinary playing cards. A small hole in the centre of each sector may be provided for the reception of a marking pin c.
Patent GB-295741-A (GB)
Title: Improvements in screw propellers
IPC: B63H1/12
Filed: 1927-05-18
Abstract: 295,741. Scaglia, L. F., and Robin, H. P. May 18, 1927. Screw propellers.-A screw propeller has its blades arranged with forward and side rakes to a degree dependent upon centrifugal, thrust and torque forces whereby bending moments on the blade sections are non-existent. The side rake is accompanied by tangential setting of the blade root at the boss. For marine propellers, the forward rake is along the resultant C of the centrifugal force A and thrust N, Fig. 3, and the side rake along the line D, K of the resultant G of the centrifugal force A and torque element H, Fig. 4. For an airscrew, the arrangement in Fig. 7 corresponds to Fig. 4. In manufacturing such propellers, the generating template is tangentially mounted instead of radially on its axis.
Patent GB-1404117-A (GB)
Title: Piston cylinder assembly
IPC: B66F9/22
Filed: 1974-03-26
Abstract: 1404117 Fluid-pressure actuators EATON CORP 26 March 1974 [28 March 1973] 13460/74 Headings F1D and F1P Bottoming of a piston 30, Fig. 2, is prevented as the piston moves to the right in the Fig. by a resilient member 122 which abuts a plate 108 and closes an annular passage 112 connecting a chamber 34 with an outlet port 24. The member 122 has a conical depression in its end which faces the plate 108 and a foot which engages a groove 120 in the piston. With a selector valve 20, Fig. 1, in the appropriate position, pressure fluid passes from a pump P through lines 18, 26 and valve chambers 88, 86 and line 41 to a chamber 40 where it moves the piston 30 to the right. Fluid returns from the chamber 34 to reservoir 16 through lines 24, 22. When the outlet to line 24 is blocked by the resilient member 122, pressure in the chamber 34 rises and this pressure, through line 94, pushes a spool 54 to the left in Fig. 1. A land 58 closes the passage between lines 26 and 41 and further movement to the right of the piston 30 is prevented.
Patent GB-134804-A (GB)
IPC: F16C35/12
Abstract: 134,804. Pirie & Sons, A., and Pirie, W. B. Aug. 28, 1919. Baths and reservoirs.-A. footstep bearing for vertical shafts immersed in liquid, such as the shafts of stirring and mixing apparatus and vertical water turbines, is provided with an air-lock to exclude the liquid from the oil bath in which the bearing runs. A dome or bell 5 fixed to the spindle 3 surrounds the oil bath 2 to form the air-lock. The inner surface is recessed at 11, 16 with the object of causing liquid condensed from the vapour of the external liquid 9 to drain outwards. Any liquid which enters the oil bath collects in a settling-chamber 15.
Patent GB-1199542-A (GB)
Title: Improvements in Resilient Bases for Beds or the like.
Inventor: HELLER MAXIMILIAN
IPC: A47C23/155
Filed: 1969-03-14
Abstract: 1,199,542. Mattresses. M. HELLER. 14 March, 1969, No. 13537/69. Heading A4M. A bedstead or like support comprises a rectangular, rigid frame a which supports a first inextensible, resiliently flexible member b extending over the greater part of the length of the frame and a second, inextensible resiliently flexible member c extending widthwise of the frame a at the centre of the first member b, and includes resilient tension elements d which are substantially larger than the width of the members b, c, which they connect to the frame a, the middle parts of the sides of the frame a being free from attachment with the elements d over a substantial part of the length of the frame. The members b, c may be secured together. The elements d may comprise coil springs or rubber bands or cards. In another embodiment (Fig.2) the middle portions of the longitudinal sides of the frame are upwardly concave.
Patent GB-111822-A (GB)
Title: Improvements in connection with Trolley Wire Systems for use on Electric Railways, Tramways and the like.
Inventor: DAWSON PHILIP
IPC: B60M1/14
Filed: 1917-09-20
Abstract: 111,822. Dawson, P., and Fawdry, F. W. Sept. 20, 1917. Arrangements for securing continiiity of supply. -The adjacent sections 3 of trolly wires on electric railways &c. are anchored to a compression member 1 so as to overlap and provide a continuous contact for a sliding collector on the vehicles. The member 1 is secured at a predetermined angle to a deflector 5 mounted at rightangles to the track from an overhead support. The doflector carries pull-offs 8 whereby the ends of the conductors are held parallel to the compression member.
Patent GB-143527-A (GB)
Title: Improvements in freezing plants especially adapted to freeze goods in a refrigerating liquid
IPC: F25D21/10
Filed: 1920-05-17
Abstract: 143,527. Aktieselskabet det Danske Frysnings Cie, (A. Ottesens Patenter). May 19, 1919, [Convention date]. Void [Published under Sect. 91 of the Act]. Refrigerating, compression machines for; rime, thawing.-Relates to means for thawing ice from the surfaces of evaporator coils immersed in tanks containing a freezing-liquid for the direct freezing of goods. Two or more tanks 1, 9 fitted with evaporator coils 2, 16 are used and thawed in sequence. The evaporators may be connected with a compression system including a compressor 3, a condenser 4, regulating valves 26, 27, and return valves 24, 25. The tanks are connected by pipes 6, 12 fitted with stop valves 7, 13 and 8, 14, and a pump 5 is employed for circulating the liquid from :he tank being thawed through an interchanger 15 where it cools the condensed refrigerant passing from the condenser to the regulating valves 26, 27 and is thereby warmed sufficiently to thaw the ice from the evaporator. The Figure shows the coil 16 being thawed. The valves 8, 14 are open, the valves 7 and 13 are closed, and a three-way valve 11 is set to circulate the liquid through a branch 110 into the interchanger 15 and back to a spraying device 29 over the coil 16. The refrigerant valves 27, 25 to this coil are closed. After some time, the valve 8 is closed and the three-way valve 11 is set to cut out the interchanger from the liquid circuit. The coil 16 is set for freezing, and the supply of refrigerant to the coil 2 in the tank 1 is cut off. The valve 7 is now opened and the cold liquid from the tank 1 is pumped through the branch 100 and pipe 12 to the spraying device 29. The coil 2 is thus ready to be thawed in the same manner as the previous one.
Patent GB-1127463-A (GB)
Title: Method of producing crown caps
IPC: B21D51/46
Filed: 1966-03-28
Abstract: 1,127,463. Crown caps. R. HASHIMOTO. 28 March, 1966 [23 July, 1965; 26 July, 1965], No. 13622/66. Heading B2K. A method of making crown caps comprises applying a plasticised half gellated synthetic resin powder containing a foaming agent in constant thickness onto an adhesive-coated face of a metal plate upon the face of which the crown cap pattern has been printed, said halfgellated synthetic resin powder and adhesivecoated metal plate are heat-bonded at positions coinciding with the printed portions, thus providing unformed packing material attached to the metal plate, the printed portions are punched from the plate and formed into crown caps which are heated to foam said unfoamed packing material. The synthetic resin may be polyvinyl chloride.
Patent GB-456365-A (GB)
Title: Improvements in and connected with filters
IPC: B01D29/00
Filed: 1935-05-09
Abstract: 456,365. Filters. TITTERTON, F., 30, Avondale Road, South Croydon. May 9,1935, No. 13654. [Class 46] In a filter comprising a plurality of filterbags c enclosing filter plates arranged in spaced parallel relation in a substantially rectangular tank of greater depth than width, the filter bags are provided with diaphragms or partitions for tying together the opposite walls to prevent bulging under internal fluid pressure during back-flushing. The filter plates g are provided with slots e to accommodate the transverse partitions f.
Patent GB-787005-A (GB)
Title: Foundry molding process
IPC: B22C15/30
Filed: 1956-05-03
Abstract: 787,005. Moulding-processes. OSBORN MANUFACTURING CO. May 3, 1956 [July 8, 1955], No. 13708/56. Class 83 (1). A moulding-process comprises blowing a preformed sand-mould about a pattern within a box, drawing said mould and pattern as a unit from the box, placing a flask about said mould, and squeezing the mould within the flask. The blower, Fig. 2, comprises a table 7, supported on a piston 5 and carrying a platen 8, pattern-plate 9 and pattern 10, the latter including a boss 11 &c. to form a sprue-passage for the mould, which is used in stack moulding. The preformed mould P is drawn from the box 20, which has inwardly tapering walls, by lowering the table 7 and the assembly of platen 8, pattern-plate 9, pattern 10 and mould P, and transferred to the table 28, Fig. 4, of a squeezemachine. A flask 36 having inclined walls is placed around the mould and the mould forced against the squeeze-plate 35 to distribute the excess sand standing above the flash wall. The mould and flash are stripped on rods 42. The mould may be jolted or vibrated prior to the squeezing.
Patent GB-329491-A (GB)
Title: Improvements in and relating to frames for folding eye-glasses, spectacles and the like
IPC: G02C5/00
Filed: 1929-05-02
Abstract: 329,491. Eglinton, W. D. May 2, 1929. Spectacles and eyeglasses.-Folding spectacles, eyeglasses, &c., are provided with frames a, b having hinged or pivoted placquets a<1>, b<1>, the placquets being arranged so that during the fold. ing of the rims one over the other one placquet a<1> will tilt the other placquet b<1> out of the plane of the first and into the plane of the second, enabling the two rims to be folded closely together. One of the placquets a<1> 'is pivoted horizontally and the other placquet b<1> is pivoted vertically. The bridge piece d is hinged to the frames in a manner which permits the tilting of the placquets during the folding operation.
Patent GB-909611-A (GB)
Title: Tire handling and curing press
IPC: B29D30/06
Filed: 1959-04-22
Abstract: 909,611. Tyre moulding presses. NATIONAL RUBBER MACHINERY CO. April 22, 1959 [May 2, 1958; July 21, 1958], No. 13757/59. Class 87(2). The upper mould 28 of a tyre moulding press is raised vertically and then horizontally to the position shown dotted, Fig. 1, by means of interengaging cam rollers 4, 8 and corresponding slots 3, 7 and is pivotally mounted so that it remains horizontal during this movement. In operation, with the mould parts open, a tyre carcass T on a supply conveyer 40 is dumped from a saddle 41 into a loader 45. The carcass is prevented from falling through the loader by a stop bar 67. Fluid pressure is then supplied to a cylinder 65, Fig. 6, causing links 62 to force segments 46 inwardly and grasp the carcass. A motor 53 is then started to cause cable drums 52 to rotate and allow the carcass and loader to fall by gravity whilst being guided by rollers 49 in a slot 48, the stop bar 61 is swung out of the way as the loader moves downwardly. When the carcass is in contact with the lower mould section, the cylinder 65 is actuated to cause the segments to move radially outward and release the tyre carcass so that it drops around the lower toe ring. The motor 53 is then actuated to wind the cables to raise the holder back to its carcass receiving position. A crank 15 is then rotated to cause the link 12 to move the upper mould 28 first laterally to a position coaxially above the lower mould 25 and then downwardly to engage the lower mould. During this lowering movement, the tyre is shaped, if desired with the help of a diaphragm. The tyre is finally shaped and cured by supplying steam or hot water to the inside of the tyre. Heating platens are also provided on the moulds. After curing, the crank 15 is rotated in the opposite direction to open the mould. The bottom mould is sprayed with an anti-sticking compound so that the tyre is raised with the upper mould section. When the mould is fully open, the upper toe ring is forced downwardly to strip the tyre from the mould and at the same time a stripper bar 35 moves downwardly to strip the tyre from the toe ring, as it is moved upwardly back into the mould. The finished tyre drops on to a platform 32 and is carried away on a conveyer 34. Two modified forms of loader are described: (a) an expanding bag, Figs. 11 to 13 (not shown), and (b) an expanding segment type, Figs. 14 to 16 (not shown). When making nylon cord tyres, the cured tyre may fall on to a disc 117, Fig. 9, and whilst the next tyre is being cured, a disc 106 engages the top bead of the tyre and air under pressure is supplied to the inside of the tyre whilst cooling water is sprayed on to the tyre from rings 107, 119. When the press is opened after curing the next tyre, the disc 106 is moved upwardly and a cylinder 115 is actuated to lower the disc 117 and strip it from the tyre, leaving the tyre on the inclined platform formed by rollers 121, from which it slides on to a take off conveyer 34. The tyre loading mechanism forms the subject of Specification 909,612. Specification 793,660 also is referred to.
Patent GB-447089-A (GB)
Title: Improvements in list-feeding and impression mechanism for addressing and like series-printing machines
IPC: B41L47/58
Filed: 1934-09-04
Abstract: 447,089. Addressing and like machines. ADDRESSOGRAPH CO., 1814, East 40th Street, Cleveland, Ohio, and GOLLWITZER, W. T., 901, West Van Buren Street, Chicago, both in U.S.A. Sept. 4, 1934, No. 13827/35. Divided out of 447,041. Drawings to Specification. [Class 100 (ii)] The machine described is the same as that described in Specification 447,041, but the claims are directed to the list-feeding and impression mechanism. Specification 372,514 also is referred to.
Patent GB-456410-A (GB)
Title: Improvements in or relating to a tube for washing machines
IPC: D06F1/00
Filed: 1936-05-16
Abstract: 456,410. Corrugating and welding tubs. FAIRGRIEVE, F. M., 50, Dovercourt Road, Toronto, Canada. May 16, 1936, No. 13901. [Classes 83 (ii) and 83 (iv)] The tub of a washing-machine comprises a cylinder 1 having an internal bead 5 intermediate its length to which the upturned flange 4 of the bottom 3 is welded. The forming of the bead and the welding are performed simultaneously by rollers 6, 7 having, respectively, convex and concave peripheries, the rollers constituting welding electrodes.
Patent GB-611207-A (GB)
Title: Improvements in or relating to phonographs
IPC: G11B3/14
Filed: 1944-07-20
Abstract: 611,207. Disc phonographs. SOUNDSCRIBER CORPORATION. July 20, 1944, Nos. 13908 and 13909. Convention dates, June 25, 1943 and July 26, 1943. [Class 40 (ii)] To enable a disc photograph to function continuously in vehicles such as tanks or aircraft, the reproducer arm 17 is mounted to swing about an axis normal to the surface of the record and counter-balanced by a weight 21 so that the stylus will not pass out of the sound groove if the record becomes tilted out of the horizontal. Arm 17 is carried by a U-shaped bracket 19 which carries a conical screw 23 engaging the upper end of a pivot-pin 18 on the arm, and a ball 26 held in a boss 28 on which rests a hinge-pin 25 mounted in the lower end of pin 18. The counterweight 21 is carried on an offset auxiliary arm 20 secured to the arm 17, the weight being adjustably secured on the arm by a setscrew. The weight is cylindrical with its axis in alignment with that of the reproducer arm. The arm 20 is engaged by a light wire tracking spring 22 secured on bracket 19. The pick-up 30 is attached by a leaf-spring hinge 31 to arm 17 and can be raised by handle 33. A coil spring 39 extends between post 38 on pick-up 30 and an angle plate 40 on arm 17 for counterbalancing the weight of the pick-up. The construction of reproducer arm is generally similar to that described in Specification 539,534.