baber/WOPTO huggingface dataset:
Patent GB-697221-A (GB)
Title: Improvements in or relating to hydraulic systems
IPC: F15B13/01
Filed: 1948-06-04
Abstract: 697,221. Hydraulic machines; valves. NEW YORK AIR BRAKE CO. June 4, 1948 [Aug. 27, 1947], No. 15117/48. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 6, 1948.] Class 69(ii) and 135 In a control valve mechanism comprising a casing 22 having an inlet port 8 connected to a pump 6, two outlet ports 11, 12 connected to a motor 15, a return port 13 connected to a reservoir 5, and two discharge chambers 50, 45 formed therein, a flow control valve 32 balanced so as to be indifferent to the pressure of liquid whose flow it controls is interposed between one discharge chamber 50 and the return port 13, and a settable distributing valve 21 is arranged to interconnect selectivity the several ports and discharge chambers as follows: to connect the port 8 selectively to either or both ports 11, 12; to connect either outlet port 11, or 12, to the discharge chamber 50 when the other outlet port 12 or 11 is connected to the inlet port 8 and connect both outlet ports 11, 12 to the chamber 50 when the inlet port 8 is connected to both outlet ports 11, 12 and to simultaneously isolate the other discharge chamber. A plunger 75 responsive to pressure in the inlet port tends to open the flow control valve 32 which is biased to its closed position by a spring 81, and damping means 34 is operative to retard the opening movement of the valve 32 during discharge of liquid therethrough. In a further position of the valve 21 the outlets 11, 12 are blocked and the chamber 44 communicating with the inlet port 8, is connected to the discharge chamber 45. When the system is applied to the control of the blade of a bulldozer the control valve positions provide " Raise ", " Lower ", " Float " and " Hold conditions. The valve 32 comprises a sleeve having graduated ports 77 one of which is always in communication with the chamber 50. The damping means comprises a sleeve 34 slidable in a bore and seated in the closed end 79 of the valve 32 by a spring 35. A groove in the face of the sleeve 34 engaging the end 79 permits a slow discharge from the interior of the sleeve when the valve 32 moves to the left. The valve 32 may move rapidly to the right when it leaves the sleeve 34. A pressure relief valve 74 is provided between the chamber 44 and outlet chamber 45. The chamber 45 is divided into two parts (not shown) by means of a removable plug which when in position forms a discharge chamber and a chamber connected with the chamber 44 when the valve 21 is blocking both motor ports. An outlet from this chamber is connectable to other apparatus.
Patent GB-796879-A (GB)
Title: Improved fabric and application thereof to the manufacture of womens' jumpers
IPC: D03D15/56
Filed: 1955-05-26
Abstract: 796,879. Sweaters &c. ETABLISSEMENTS MERLE, P. May 26,1955 [Oct. 15, 1954], No. 15240/55. Class 141 [Also in Group IX] A jumper or sweater is made from a woven fabric having elastic stripes 1, 1a, 1b and inelastic stripes 2. Two pieces shaped as shown are sewn together along the edges 7 and shoulders 6, and the part 1a is turned down to form the collar.
Patent GB-933395-A (GB)
Title: Improvements in or relating to cyclically operated switch control apparatus
Inventor: LEWIS HARRY STANLEY
IPC: D06F34/30
Filed: 1960-05-02
Abstract: 933,395. Time switches. CHAMBERLAIN & HOOKHAM Ltd. April 27, 1961 [May 2, 1960], No. 15296/60. Class 38 (5). In a timer similar to that of Specification 933,394, the cam-shaft 10 and a shaft 16 carrying the selector arm 17 are interlocked by a lever 22 controlled by a cam 20 on shaft 10, so that when a cycle of operations has started, the lever 22 is cammed to a position where it engages one of a number of recesses in a disc 23 on shaft 16 so as to lock the latter until the cycle has been completed. In an alternative arrangement, the shaft 16 is operated by a homing motor which can be isolated by a switch operated by a cam on shaft 10 as soon as that shaft commences to rotate. Specifications 933,396 and 933,397 also are referred to.
Patent GB-572972-A (GB)
Title: Improvements in or relating to parachute packs and envelopes therefor
IPC: B64D17/52
Filed: 1943-09-17
Abstract: 572,972. Parachute packs. STEVENS, A. H. (Manson, F. G.). Sept. 17, 1943, No. 15297. [Class 133] [Also in Group XXXIII] A parachute pack comprises a base member with flaps attached thereto, the base member and/or the flaps being made of flexible material, the degree of resilience of which differs in the lengthwise and crosswise directions in order that the pack may readily accommodate its shape to the back of the wearer. In the form shown, the bottom panel 22 of the pack, which is made of inelastic material, is mounted on a wire frame 20, and the flaps 56, 58 are made of material whose resilience is greatest in directions perpendicular to the lines of attachment to the bottom member. The flaps are of narrow width, in order that they may be stretched when the pack is closed. In a second embodiment, Fig. 2 (not shown), the bottom member is made from sheet or woven material, the resistance to deformation of which is less crosswise of the panel than lengthwise, the flaps being made of inelastic material. Alternatively, the flaps may be resilient, as described in connection with Fig. 7. In the case of inelastic flaps, elastic cords are provided for pulling back the flaps upon operation of the rip cord.
Patent GB-151336-A (GB)
Title: Improvements in or relating to telephones
IPC: H04M1/03
Filed: 1919-06-18
Abstract: 151,336. Murray, R. L., and Telephone Manufacturing Co. June 18, 1919. Microphones; head sets; earpieces.-Relates to telephones, particularly for air. men and divers, in which a small microphone is strapped against the speaker's throat or neck. To prevent the speaking circuit from being broken when the diaphragm is horizontal, a sharp-edged pyramid of carbon D is attached to the diaphragm and projects among the granules through an aperture B<1> in the end wall of the carbon chamber B. The receiver carries a funnel-shaped member F for insertion in the ear. According to the Provisional Specification, the receiver may be held in position by a hook fitting round the user's ear.
Patent GB-805811-A (GB)
Title: Improvements in thermally-operable electric switches
IPC: H01H5/18
Filed: 1957-05-15
Abstract: 805,811. Thermal switches. GENERAL MOTORS CORPORATION. May 15, 1957 [Jan. 4, 1956], No. 15403/57. Addition to 760,784. Class 38 (5). The toggle spring of the parent Specification is modified by providing it with diverging ends 123, 125 which react with the ends 82, 84 of spring blades 70, 72 so a to urge the toggle spring 121 upwards. Such movement is prevented by lugs 133 on the spring 121 which engage below lugs 127, 129 on the ends of blades 70, 72. A cam 151 on the biasing-spring housing 44 engages a cam surface 149 on an insulating member 141 resiliently carried by the spring 72.
Patent GB-330734-A (GB)
Title: Improvements relating to pit props, bars, sprags and other mine supports
IPC: F16B21/14
Filed: 1929-05-17
Abstract: 330,734. McTrusty, J. W. May 17, 1929. Mine-props of the type having a cap or head which is capable of axial movement under the influence of a sliding wedge, have the head and wedge guided in an upstanding bracket from the top of the main prop. The bracket may be for:ned of separate members B, B' with depending lugs 5, 6 adapted to be fixed to the web of the section-bar forming the prop, and adapted to receive the wedge A between its upstanding arms, which also form guides for the sliding head D. Alternatively, the bracket may be formed solid with a bifurcated depending lug to receive the web 7 of the prop, the base of the bracket resting upon the upper end of the prop. The head is prevented from complete detachment by means of a cross-pin 11 in the bracket engaging a recess 12 in the head. The engaging surfaces of the wedge and the sliding head may be flat or rounded and projections 13, 14 are provided on the wedge to prevent its complete detachment.
Patent GB-476227-A (GB)
Title: Improvements in and relating to the propulsion of rockets
IPC: C06B47/04
Filed: 1936-06-03
Abstract: 476,227. Generating combustion products under pressure. BURKE, E. June 3, 1936, No. 15497. [Class 51 (i)] Relates to a liquid propellent, for use in the jet propulsion of rockets, of the kind comprising petrol, benzol, alcohol or like fuel and an oxygen-containing substance. According to the invention, the oxygen-containing substance comprises liquid nitrogen tetroxide. If desired, up to 80 per cent of the nitrogen textroxide may be replaced by nitric acid. Specification 15852/05, [Class 9], is referred to.
Patent GB-1271377-A (GB)
Title: Process and apparatus for shearing metals
Inventor: KONDO KAZUYOSHI
IPC: B21D28/16
Filed: 1969-04-11
Abstract: 1,271,377. Punching. KAZUYOSHI KONDO. 11 April, 1969 [11 April, 1968; 10 July, 1968], no. 15517/69. Heading B3W. In a metal shearing process, a die 2 is moved towards a die 1 to shear off the major portion of the thickness of a workpiece 5 against a die 1, a punch 3 associated with the die 2 or, as shown in broken line, the die 1 being used to separate the partly sheared blank 4 from the workpiece. For perforating a workpiece. Fig. 2, a punch 8 is used in combination with a punch 7 for the major shearing action and a knockout 9 acts against a counter pressure member 10 to sever the waste 12 from the workpiece. The surface 13 of the die 1 and the punch 7 is preferably between 30 and 40% of the thickness of the workpiece to be sheared. The surface 13 may be inclined downwardly from the horizontal at up to 20 degrees towards the inclined face 15- to help to shed scrap. To promote waste removal in perforating the workpiece may be prepunched at 12<SP>1</SP> and/or a member (16), Fig. 5 (not shown), projects from the punch 8 to dish the waste 12, the punch being resiliently mounted to cause the member 16 to project progressively more during perforating.
Patent GB-1354522-A (GB)
Title: Apparatus for treatment of sewage by bacterial digestion
IPC: C02F3/12
Filed: 1971-05-18
Abstract: 1354522 Treating waste liquids COMPAGNIE D'ETUDES ET DE RECHERCHES DES SERVICES OPERATIONNELS D'ASSAINISSEMENT EN FRANCE 18 May 1971 [20 May 1970] 15526/71 Heading C1C An apparatus for the aerobic bacterial digestion of waste liquid, e.g. sewage, comprises a tank having an aeration zone 11 with a central chimney 7 having an oxygenating device (not shown), and a settling zone 4, there being conduits or channels positioned at the base of the tank to allow communication between the aeration and settling zones. In the embodiment shown the conduits are provided by partitions 9, 9<SP>1</SP>, 9<SP>11</SP>, 9<SP>111</SP> extending between the inverted truncated conical portions 6 and 8. The partitions may be integral with either of the portions 6 and 8 and may be disposed in a helical path. The conduits may be pipes.
Patent GB-416603-A (GB)
Title: Improvements in or relating to thermostatically controlled fuel valve mechanisms
IPC: F23N1/00
Filed: 1933-05-30
Abstract: 416,603. Valves. MAIN, Ltd., R. & A., 48, Grosvenor Gardens, Buckingham Palace Road, London, and WORTLEY, G. W., Gothic Works, Falkirk. May 30, 1933, No. 15604. [Class 135.] A thermally-operated regulating device, for controlling the supply of gas to cookers &c., has a byepass passage 19, 18 connecting the inlet and outlet, the flow of gas therethrough being controlled by a gravity-actuated valve 20 having a base 23 smaller than the sectional area of the passage 18, which it partially closes on an increase of pressure occurring in the gas main ; preferably it is half the area. Specification 399,266 is referred to. Specifications 268,195 and 296,129, [both in Class 135], also are referred to in the Provisional Specification.
Patent GB-1132193-A (GB)
Title: Improvements relating to servo-steering systems for motor vehicles
IPC: B62D5/24
Filed: 1967-04-05
Abstract: 1,132,193. Power-assisted steering. DAIMLER-BENZ A.G. 5 April, 1967 [9 April, 1966], No. 15664/67. Heading B7H. A servo-steering system for a motor vehicle comprises a housing 10 with a stepped hydraulic cylinder whose piston 11 is in pressure-tight guiding engagement with the larger diameter portion 36 of the cylinder, and is in driving connection with a steering output shaft 16, disposed adjacent to a part of the smaller diameter portion 35 of the cylinder, and whose chambers 12, 13 on the two sides of the piston are in communication with a control valve 29 which adjoins the wall of the cylinder portion 35 and of which the movable element 30, controlling the supply and return of pressure fluid to and from the chambers 12, 13, is movable in dependence on movement of a member 19 of the steering gear involved in the transmission of steering movement from a steering input spindle 25 to the steering output shaft 16, the shaft 16 and valve element 30 being located on the same side of the axis of the steering spindle 25. The valve element 30 is movable by an extension 33 of the steering nut 19 which is rotatably mounted in the piston 11, the extension 33 extending into both the cylinder portions 35 and 36 and into a groove 37 in the cylinder wall which limits relative rotation between the nut 19 and piston.
Patent GB-116449-A (GB)
Title: Improvements in Means for Transferring Loose Material.
Inventor: EVANS CADWALLADER
IPC: E21F13/06
Filed: 1917-10-29
Abstract: 116,449. Evans, C. Oct. 29, 1917. Conveying from working face in mines and the like; trimming and spreading apparatus.-Loose material such as coal is transferred from one place to another, as from the working face to tubs D, by a scraper 35, Fig. 2, which is moved forwards and backwards by ropes 33, 41 connected to winding- drums 7, 6, guiding-means 50, 51, 52 being so arranged that the scraper takes up the successive positions x, y, z in moving from the position w to a shoot 60 overhanging the tubs. The scraper 35 comprises vertical side walls 36, Fig. 4, joined by a curved rear wall 37 and stay 38 and curved at their lower edges 37<1>. The haulage ropes pass between a series of grooved guide-pulleys 44, 45, 46, Fig. 2, and around guide-pulleys 47, 49, 50, 51, the two latter pulleys being open at one side so that the rope may readily be transferred from one to the other when; it is desired to move the scraper from the position x to the position y. A conical member 68, Fig. 2, automatically throws the rope out of the pulleys if the scraper approaches too closely before release of the rope. The turning movement of the scraper is facilitated by a buffer guide-member 52, Fig. 3, having flanges 54 and arranged to rotate about a vertical pillar 55. The shoot 60 and a platform 59 are mounted on a sleeve 57 carried by a vertical support 56. The winding-engine may be mounted on a car and provided with means for propelling the tubs.
Patent GB-1025145-A (GB)
Title: Improvements in or relating to battery separators
Inventor: ZEUMER ERNEST
IPC: H01M2/16
Filed: 1963-04-22
Abstract: 1,025,145. Batteries. CITY SEPARATOR INDUSTRIES. July 22, 1964 [April 22, 1963], No. 15767/63. Heading H1B. Ribbed separators are made when a cellulose fibre web 2 is fed into a bath 8 of phenolformaldehyde resin and the impregnated web is fed between pressure rollers 10 which are shaped so as to exert a greater pressure over the central area of the web than at its side edges so that a larger amount of the resin is squeezed from the central portion leaving a higher concentration of resin at the side portions. A ribbing roller 20 then deforms the web into a number of longitudinally extending ribs before the resin is cured in an oven 28 and cut into appropriate length sections by a guillotine 30 to form the ribbed separators.
Patent GB-203402-A (GB)
Title: Improvements in centrifugal machines for the treatment of vaccine
IPC: A61K39/00
Filed: 1922-06-08
Abstract: 203,402. Thomson, D., and Macfie, R. F. June 8, 1922. Mixing-apparatus.-A centrifugal machine, for the treatment of vaccine, has two elements moving relatively to one another at a high speed, and provided with passages which during the move,- ment are brought into and out of register with one another, the liquid being forced through the passages and violently agitated so that the bacteria are crushed. The base 10 supports a bridgepiece 11 carrying the upper bearing for the spindle, and also has an annular projection 17 provided with a large number of saw-cuts 19 inclined to the radial, as shown in Fig. 2, and also inclined to the vertical. The spindle 14 in radial and thrust bearings carries a driving pulley 26 and a rotor 27. The rotor has an upstanding and overhanging flange 29 forming a chamber in the upper part of the rotor connected by a passage 33 to the space beneath the rotor bounded by the peripheral flange 31. This flange fits within the annular flange 17 and has a number of saw-cuts 32 inclined in the opposite direction to the radial and the vertical as compared with the cuts 19. A pipe 23 with an adjustable cock 25 connects the annular space 18 to the chamber in the rotor. The machine is set in motion and a quantity of liquid is introduced into the rotor. It passes through the passages 33, through the intermittent communication of the saw-cuts 32, 19 to the annular space 18 and then back to the rotor chamber by the pipe 23, so that a continuous circulation is maintained. In a modification, the part 20 extends inwards and upwards to form a chamber for liquid the pressure of which will balance the centrifugal force of liquid escaping between the rotor and stator.
Patent GB-424880-A (GB)
Title: Improvements in or relating to the production of crimped filaments, yarns or fibres
IPC: D02G1/02
Filed: 1933-06-02
Abstract: 424,880. Crimping yarns, filaments, or fibres. BRITISH CELANESE, Ltd., 22, Hanover Square, London, FINLAYSON, D., and HAPPEY, F., c/o British Celanese, Ltd., Spondon, near Derby. June 2, 1933, Nos. 15986 and 24162. [Classes 120 (ii) and 120 (iii)] Yarn is crimped by setting twist therein whilst the yarn is travelling, and subsequently removing twist. The yarn may be subsequently converted into staple fibres to produce crimped fibres. The yarns may comprise continuous filaments, and may have the whole of the twist removed and then be converted into staple fibre yarn, or the yarn may consist of staple fibres before the crimping, in which case only a part of the twist is removed. The twist is preferably imparted to the yarn by a false twist device, or two such devices in series. The twist may be set by steaming, by hot air, by the action of a solvent or softener for the substance of the yarns or a vapour thereof, or in the case of thermoplastic material by heating. Alternatively, setting may be effected by wetting the yarn prior to the false twist device and drying the yarn whilst the twist is being inserted, whereby the steam or vapour so formed sets the twist. The crimped continuous filament yarn so produced may be converted into fibrous yarns, e.g. as described in Specifications 397,138, 399,838, 410,805, 424,683, 424,752, 424,830, and 424,879. The yarn treated may comprise any type of artificial silk, or natural silk, or mixtures thereof. Crimped yarns may be doubled together or with other yarns, e.g. two or more crimped yarns of cellulose acetate may be doubled together, or one or more of such yarns may be doubled with yarns, filaments or fibres of natural silk, reconstituted cellulose silk, cotton or wool. Yarn 6 passes from the package 5 to a false-twisting device comprising two discs 9, 21 mounted in ball-bearings, and having eccentrically disposed holes 11, 20 through which the yarn passes, the discs being rotated in opposite directions by gearing from the spindle 16. Between the discs the twisted yarn passes through two orifices 17, 18 in a pipe 19, through which is passed steam or other media adapted to set the twist in the yarn. The yarn 6 is finally wound on a bobbin 29.
Patent GB-529462-A (GB)
Title: Improvements in or relating to manifold carbon or like copy devices
IPC: B41L1/16
Filed: 1939-06-01
Abstract: 529,462. Carbon-sheet holders. WILKES, J. June 1, 1939, No. 16100. [Class 16] In a carbon pack for use with typewriter record webs, a metal or like member 5 is shaped into a continuous loop and detachably engaged with the backing-sheet to form a guide and stop. The free ends 6, 7 of the member are inturned and secured together as by a pin or projection 8 on one end engaging a perforation 9 in the other end. One limb of the member is threaded through a loop formed on the backing-sheet and the ends then sprung into engagement, the width of the limb keeping it parallel with the adjacent part of the sheet.
Patent GB-641047-A (GB)
Title: Improvements in retaining rings
IPC: F16B21/18
Filed: 1948-06-15
Abstract: 641,047. Circlips. ABBEY, A. (Ramsey Corporation). June 15, 1948, No. 16121. [Class 89(ii)] Circlips, either for expanding into a groove as in a housing, or for contracting into a groove as in a shaft, are formed from spring steel as a twin-coil helix with an offset connecting portion e<2>. Fig. 3 shows an expanding ring and the ends taper at e towards rounded ends e<1> that provide for the application of a tool such as a screwdriver to permit the circlip to be worked out of its groove, In the case of a contracting ring the taper is formed on the inner side. In a modification the ends have arcuate recesses and in a further form suitable for either type of clip the ends are provided with slots.
Patent GB-653692-A (GB)
Title: Reservoir writing instruments
IPC: B43K27/12
Filed: 1948-06-15
Abstract: 653,692. Reservoir pens. HEYBERGER, F. M. June 15, 1948, No. 16131. Convention date, Nov. 14, 1947. [Class 146 (iii)] A ball point pen comprises a barrel 16 having a closed end portion 19 thereon, and an ink cartridge 26 including a rigid, ball-carrying tip 29 which is press-fitted into an aperture 31 in the end 19 and provided with a flexible tube 27 extending within the barrel. Two or more of these cartridges may be fitted, and the axis of their tips may be inclined to each other and to the axis of the barrel. Each tip 29 may have a shoulder to abut an inclined face 24 on the end 19, and the flexible tube 27 fits tightly on a reduced portion of the tip. The end 19 is press-fitted or screwed on the barrel 16 at 20. The barrel and end portion may be octagonal or hexagonal to facilitate holding and selection of cartridges where the latter contain differently coloured inks. Specification 573,747 is referred to.
Patent GB-1496719-A (GB)
Title: Flashback arrestor
IPC: A62C4/02
Filed: 1975-04-18
Abstract: 1496719 Flashback arrester EMERSON ELECTRIC CO 18 April 1975 16188/75 Heading F4T [Also in Division F2] A flashback arrester for use in a gas supply to an oxy-acetylene torch comprises a housing A, which supports a check-valve B, a pressureactuated valve C, and a pressure release-valve E. Valve C comprises a valve seat 64 and a slidable closure 76, and a locking and latching device 90, 110, for locking the valve in the closed position. In operation, gas flows through apertures 58 in check valve B into a chamber 60, so that valve closure 76 moves to the right and gas flows into a helical tube 70 via a passage 79. The gas leaves tube 70, passes into space 48 and then into a sleeve 47 via a gap 82, from where it passes through the bore 29 of valve closure 31 and through passage 24 to the torch. In the event of a flashback the high pressure wave flows into passage 24, valve E opens and the flashback pressure is relieved by opening passage 24 to a passage 23, and atmosphere. Simultaneously the pressure passes through sleeve 47 and forces valve closure 76 to the left to thus close the valve on seat 64. When the closure occurs, locking member 90 is forced against the bias of spring 98 until balls 115 clear a shoulder 105, at which time they move outwardly to thus clear the shoulder 114 on latching member 110, which is forced to the left, and the pin 112 of the latching member projects beyond the housing so as to indicate that flashback has occurred. The device is reset by pressing pin 112 to the right.