baber/WOPTO huggingface dataset:
Patent GB-906847-A (GB)
Title: Improvements in pneumatic control valves
IPC: B05B1/00
Filed: 1960-12-29
Abstract: 906,847. Valves. AIR-LOCK ENGINEERING CO. Dec. 29, 1960 [April 8, 1960], No. 44619/60. Class 135. An aluminium or moulded plastic valve body 10, Fig. 1, houses a metering valve 11 and a safety valve 12, the metering valve 11 being operated by a hand lever 13 with which cooperates an adjustable stop 14 for determining the maximum opening of the valve 11; the lever is provided with slot 57 to facilitate access to the stop 14. The body has an inlet 22 and a parallel but offset outlet 33 with a removable orifice member 19, the inlet and outlet opening into a chamber 24 accommodating the metering valve casing 27 with radial discharge ports 28; slidable in the casing 27 is a valve stem having a movable closure formed by an 0-ring 36 which co-operates with a seat constituted by the lower end of the casing 27, the stem also embodying a frusto-conical part 37 to meter flow to the outlet. Beyond the metering part 37 is a reduced portion whereby air blast can be delivered to the outlet. The metering valve may be removed from the body 10 upon releasing a locking screw 41. The safety valve 12, Fig. 2, which is disposed in a chamber 42 leading from the outlet 23, has a seat formed by an 0-ring 44 held in place by a spacer 51 and a plate 49 with an atmospheric vent; the movable closure member 46 has a conical seating surface and a fluted stem and is urged to close by a weak spring 47 so that when the orifice member 19, Fig. 1, is moved into contact with an obstruction, e.g. a part of the operator's body, the pressure rises in the outlet 23 sufficiently to unseat the valve 12. In a modification, the projecting length of the stem of the manually-actuated valve is reduced so that only a metered flow of fluid is obtainable. In another modification, the safety valve is formed as a double-landed piston-valve 68, Fig. 4, the lower land of which closes off the outlet 23a when the pressure leaking therefrom to the under surface 71 of the lower land has reached a sufficient pressure to overcome theadjustable spring 64; the space above the upper land is vented.
Patent GB-1188435-A (GB)
Title: Improvements in and relating to Digital Computers
Inventor: CARLSON CARL BERNARD
IPC: G06F9/355
Filed: 1968-09-20
Abstract: 1,188,435. Addressing data stores; computers. BURROUGHS CORP. 20 Sept., 1968 [25 Sept., 1967], No. 44739/68. Headings G4A and G4C. Address manipulation circuitry for a digital computer comprises a memory, and a source of descriptors referencing information stored in arrays in the memory, each descriptor including a first field giving the base address of the array, a second field giving either the length of the array or the index value of a cell in the array relative to the base address, and a third field designating the nature of the second field, there being means responsive to the designation by the third field of an index value in the second field for combining, e.g. adding, the first and second fields to produce an absolute address for accessing the memory. On the other hand, if the third field designates the second field as being a length value, a further index value is obtained (see below) and compared with the length value. If the index value is less than the length value it is substituted for the latter in the descriptor and the third field is changed accordingly. Then the descriptor is treated as if the index value were in it in the first place. On the other hand, if the index value is greater than or equal to the length value, an error interrupt of the computer programme is caused. The descriptors come from a last-in-first-out stack in memory, and the further index value is held in the stack just below the descriptor into which it is to be substituted. Transfer of arrays to backing disc store is mentioned. Reference is made to Specification 1,188,436.
Patent GB-1521065-A (GB)
Title: Fuel injection valve assembly for a reciprocating piston internal-combustion engine
IPC: F02M61/18
Filed: 1975-10-29
Abstract: 1521065 Fuel injection valves MASCHINENFABRIK AUGSBURG-NURNBERG AG 29 Oct 1975 [30 Oct 1974] 44754/75 Heading F1B A fuel injection valve assembly, for a reciprocating piston I.C. engine, comprises a hollow cylindrical injection valve-member 14 having at least two rows of axially-spaced injection bores 21, 22 each extending through the wall of the cylinder, the member 14 being axially movable in a recess 13 in a housing 3 between a closed position in which the injection bores are within the recess and an open position in which at least the downstream ends of the bores are beyond the recess to permit fuel to pass into the region 4 downstream of the valve assembly, the valve-member being movable to the open position by the supply pressure of the fuel against the bias of a return spring 32, the valvemember having a sealing surface 20 which in the closed position of the valve-member abuts a seat 19 on the housing, thereby to isolate the injection bores from the region 4. The injection bores are formed tangentially to a circle centred of the axis of member 14 and cause rotation of member 14 during injection. The bores 21 are inclined at an angle of 75 to 85 degrees to the axis A-A of the assembly. The direction of fuel injection causes the air in the combustion chamber to swirl. Fuel is supplied through passages 44 and 46 to chamber 18 and due to the different cross-sectional areas of member 14 and spindle 15 produces a net force sufficient to open the valve. Fuel also passes through a restricted clearance 24 around spindle 15, to a chamber 28, from which it is driven by a brake piston 26 which moves with the spindle, thus controlling the rate of opening movement of the valve-member 14. Fuel escapes from chamber 28 via ports 48, 49 and passage 47 and, after ports 48, 49 are closed, through a restricted gap 73. To enable the quantity of fuel delivered to be adjusted, so that several injectors each provide the same quantity of fuel, a buffer piston 58 is provided which closes one end of chamber 53 which is connected to passage 47 by conduit 45. Piston 58 is displaceable against spring 68 which abuts pin 69, the position of which is adjustable from outside the assembly. To ensure that chamber 53 is always full of fuel a one-way valve 56 loaded by spring 55 is provided.
Patent GB-1136630-A (GB)
Title: Apparatus and methods for tyre building
IPC: B29D30/24
Filed: 1965-12-16
Abstract: 1,136,630. Building pneumatic tyres. GENERAL TIRE & RUBBER CO. 16 Dec., 1965 [5 Jan., 1965], No. 44879/67. Divided out of 1,136,627. Heading B7C. A tyre building drum comprises plates 161 bridging two cylindrical, axially-movable arrays. of bead-supporting segments 116 and an inflatable carcass-shaping bag 23 around the plates. In use plies of preferably radial cords are wrapped around the drum and the central portion thereof is expanded, by inflating bags 111, to provide shoulders against which bead rings are set. The ply ends are turned over by bags 24 as disclosed in Specification 1,035,989 and then either (a) the bag 23 is inflated while mutually approaching the arrays of segments 116 to allow the beads to move together (Fig. 22, not shown), or (b) bags 111 are deflated while partially inflating bag 23 and segments 116 are moved away from each other by rotation of screw shaft 103 until projections 120 thereon are located axially outside the beads; bags 111 are reinflated, and inflation of bag 23 is resumed while axially inwardly moving the segments so as to push the beads towards one another (see Figs. 24-27, not shown). Alternatively during (b) the beads may move unassisted by projections 120. A breaker and tread may be manually applied to the shaped carcass, or the carcass may be expanded into a breaker and tread held by a transfer ring as disclosed in Specifications 1,136,627 and 1,336,629. White sidewall strips are optionally applied before or after carcass expansion. Stitching is effected by freely rotatable stitching discs (130) spring-biased toward the drum and mounted on arms (136) pivotable relative to the drum (see Figs. 11-14, not shown). Reference has been directed by the Comptroller to Specification 932,792.
Patent GB-971470-A (GB)
Title: Gas generator
IPC: F02K9/10
Filed: 1962-11-28
Abstract: 971,470. Gas generating charges; rocket motors. THIOKOL CHEMICAL CORPORATION. Nov. 28, 1962 [Nov. 29, 1961], No. 44982/62. Heading F3A. A gas generator such as a rocket motor comprises a grain 14 and bonded thereto an inhibiting layer 16 provided with a longitudinal slot 20, the grain and inhibitor being able to expand and contract during thermal cycling, without undue stress on the grain, by provision of the slot 20 and by being unattached to the inner surface of motor casing 11. The grain 14 which has an axial bore 15 preferably has a slot as at 21 which straddles the slot 20; longitudinal expansion of the grain is facilitated by the provision of a resilient retainer 23. The axial bore 15 need not extend the full length of the grain and the grain may additionally be restricted at one or both ends. Either or both of a front closure 12 and a nozzle 13 are formed separately from the casing 11 to allow insertion therein of the propellent grains and inhibitor as a unit. The grains may comprise a single or multi-based propellant such as one based on a polysulphide polymer and the inhibitor may be of plastics such as cellulose acetate.
Patent GB-1478617-A (GB)
Title: Yieldable stilt
IPC: E21D15/22
Filed: 1974-09-19
Abstract: 1478617 Yielding mine roof stilts M HAYES 19 Sept 1974 [26 Sept 1973] 45063/73 Heading E1E A yielding mine arch support stilt 10 has a strip member 13 secured to it which member 13 is substantially flat at one end 13b by which it is attached to the stilt and has the major part of its length 13a shaped to permit deformation by penetration of the mine arch; the stilt being provided with shoulders 14 to retain the arch in position. The deformable part of the strip may be of arcuate crosssection, angular cross-section or incorporate hollow hemispherical protuberances, hollow ribs &c for details of which the Specification and Figs. 2-9, (not shown), should be referred to.
Patent GB-1030749-A (GB)
Title: Process for the exploitation of underground solid bituminous strata
IPC: E21B43/24
Filed: 1962-12-03
Abstract: In the preparation of an underground strata of solid bitumen (such as coal) for underground gasification a heated mixture is injected into the strata through a borehole at a pressure sufficient to fracture the formation, the mixture comprising a gas or gases which are not condensible under the conditions prevailing in the strata and hydrocarbons which are condensible under such conditions.  Suitable hydrocarbons are benzene, pentane, hexane, heptane, and suitable gases are methane, oxygen, steam and air.  The gases form small bubbles in the hydrocarbons which condense in the colder parts of the fracture. After fracturing explosions may be set off in gas removal boreholes spaced from the injection boreholes, and prior to fracturing the strata may be treated by explosions.  After fracturing explosives or oxygen releasing compositions may be deposited in the fracture, the contents of the injection borehole are ignited, and finally air and then oxygen enriched air is supplied through the injection borehole and the required gas issues from the removal borehole. The gas issuing from the removal borehole may be recycled and reheated until the strata is sufficiently permeable for the production of gas. Where the lower part of the strata is not permeable, the process of gasefication is carried out in the upper part to heat the lower part which is supplied with oxygen and hydrocarbons, or water and hydrocarbons, to render it porous. The mixture may be heated by an atomic reactor or an electrical heater.
Patent GB-1118769-A (GB)
Title: A process and apparatus for transferring liquid samples to be analyzed on the chromatographic columns
Inventor: HRDINA JIRI
IPC: B01D15/04
Filed: 1965-10-28
Abstract: 1,118,769. Chromatography. CESKOSLOVENSKA AKADEMIE VED. 28 Oct., 1965 [6 Nov., 1964], No. 45668/65. Heading B1X. In a process for transferring liquid samples to be analysed into a chromatographic column, the samples are first stored in a capillary reservoir connected to a valve system, the valve system being operated to connect the reservoir between a pump and the column when desired so as to cause the sample to be carried into the column by a carrier liquid passed into the reservoir by the pump, the valve system being subsequently operated so as to provide a carrier liquid path directly from the pump to the column without passing through the reservoir. In Fig. 1, carrier liquid from pump 41 passes by duct 40 to port 4 of valve body member 7, and leaving by port 3, passes by duct 42 to column 43. Sample liquid from duct 44 enters by port 1 and leaves by port 2 and duct 22 to capilliary reservoir 21, and thence by duct 34 port 5, port 6 and needle valve 13 to duct 45. When the central movable valve member 9 is rotated one place, carrier liquid is diverted out through port 2 to capilliary 21 and back by port 5 to port 4 and the column, thus carrying the sample with it. Capillary 21 may, if desired, be in the form of a coiled flexible tube. Capillary 21 may also contain a plurality of samples separated by "bubble pistons". In Figs. 3, 4, and 5 (not shown), a system is shown having a plurality of sample loops 52 connected to the valve member 51 at a plurality of pairs of passages b and e. The inner cylindrical surface of valve member 51 (see Fig. 5, not shown) has passages c and d (for carrier liquid flow from the pump and to the column) and a and f (for the sample source and suction equipment) which register on to grooves on the inner surface. One end of the sample loop may be made detachable, so that samples can be sucked in directly, and then one of passages a and f may be dispensed with. In the embodiment of Fig. 4 (not shown) two sets of passages g, h and i. j.k respectively are provided in the inner valve member, the first set being used to connect a sample loop to the carrier liquid and the second for sucking in axial movement of the inner member permits samples. In the system of Fig. 4a (not shown), the provision of only one set of passages. Instead of grooves, individual passages connected by a common passage may be provided within the body of the outer valve member, as in Fig. 6 (not shown). In the embodiment of Figs. 9 and 10 (not shown), a combination of two valves is used. The sample loops are distributed around the circumference of outer valve member 51, inner member 50 being prevented from rotating more than a complete revolution to avoid the twisting of outlet ducts 66 and 67. The second valve 65 is set as desired either for the transfer of samples into loops, or for their removal by carrier fluid.
Patent GB-1012576-A (GB)
Title: An improved handle for toy coaster wagons and method for the manufacture of same
IPC: A63G7/00
Filed: 1963-11-20
Abstract: 1,012,576. Coaster wagon handles. RADIO STEEL AND MANUFACTURING CO. Nov. 20, 1963 [Jan. 29, 1963], No. 45817/63. Heading B7T. A handle for a child's coaster wagon comprises a tube 10 welded to a steering fork 12 at one end and a handle grip 14 at the other end consisting of a U-shaped member 35, fixed to a tubular handgrip member 42. The fork 12 and member 35 are each bent up from substantially identical strips such as that shown in Fig. 6 or Fig. 8, provided either with ribs 20 or dimples 32 and rib 34.
Patent GB-983706-A (GB)
Title: Improvements in or relating to oscillating vane actuators and seals therefor
IPC: F16J15/54
Filed: 1961-12-21
Abstract: 983,706. Oscillating vane actuators. HOUDAILLE INDUSTRIES Inc. Dec. 21, 1961 [June 12, 1961], No. 45883/61. Heading F1F. An oscillating vane actuator comprises housing parts 11, 12, Fig. I, secured together in spaced relation about an actuator shaft 17 to form annular chambers 14, 15 separated by a slot 23 housing a disc 16 welded or otherwise secured to the shaft 17. A vane member constituted by U-sectioned vane wings 33 secured to and extending from opposite faces of the disc 16, oscillates between opposite faces of an abutment member constituted by similar U- sectioned parts 43 secured to the housing parts 11, 12, on the admission of pressure fluid through ducts 50 and exhaust thereof through ducts 51 or vice versa. Sealing between the vane and the housing and between the abutment and housing is by means of natural or synthetic rubber O-rings 40, Fig. 3, and generally rectangular synthetic seal rings 41 extending thereabout. The rings being fitted in grooves about each limb 35 of the wings 33 and parts 43. Inner and outer annular seals are fitted about reduced thickness portions of the disc 16. The inner annular seal comprises a triangular section, e.g. nylon ring 56, Fig. 3 complementary backing ring 64 and a plate spring 65. The outer annular seal being similarly constructed. The inner and outer annular seals are acted on by fluid pressure depending upon the direction of rotation of the vane to permit lifting of the seals and leakage of fluid into a chamber C to lubricate bearings 21, 22 on which the shaft 17 rotates. Excessive pressure in the chamber C is relieved through diagonal passageways 58, 158, lifting the seals 40, 41 locally to permit escape of fluid to that side of the vane at lower pressure. Similarly excess pressure from the space around the disc 16 is relieved through diagonal passageways 68, 168. Non-return valves are fitted in each of the ducts 50, 51 to cushion the vane at the extremities of its movement. In a modified construction, the abutment member instead of being formed by two U-sectioned parts, is formed by one part which extends entirely across the housing. Specification 983,707 is referred to.
Patent GB-1406315-A (GB)
Title: Detergent compositions and builder compounds therefor
IPC: C07D303/48
Filed: 1972-10-05
Abstract: 1406315 Detergents containing oxydiacetate builders UNILEVER Ltd 5 Oct 1972 [6 Oct 1971 14 Feb 1972] 45891/72 Heading C5D [Also in Division C2] Compounds of general Formula (I) wherein X and X<SP>1</SP> are each H, C 1-4  alkyl, C 1-4  alkoxy, C 1-4  alkoxyalkyl, C 1-4  hydroxyalkyl, or a carboxy or carboxymethyloxy group in salt form, provided X and X<SP>1</SP> are identical only when both are C 1-4  alkyl; Y and Y<SP>1</SP> are each H, C 1-2  alkyl, or C 1-4 hydroxyalkyl; further provided that when both X and Y<SP>1</SP> or X<SP>1</SP> and Y are H or alkyl; X<SP>1</SP> and Y or X and Y<SP>J</SP> taken together can constitute a single bond connecting the α and α<SP>1</SP> C atoms to form an oxirane ring; M and M<SP>1</SP> are alkali metal, ammonium or substituted ammonium cations or hydrogen atoms, may be used as detergency builder compounds in a detergent composition also comprising a water-soluble anionic, non- ionic, zwitterionic or amphoteric detergent active compound, the ratio by weight of the builder to the detergent active compound being from 1 : 20 to 50 : 1.
Patent GB-1383295-A (GB)
Title: Knives and blades therefor
IPC: B26B5/00
Filed: 1971-11-02
Abstract: 1383295 Knives; hand tool handles R GAULT 2 Feb 1973 [2 Nov 1971 12 Nov 1971] 45932/71 and 52541/71 Headings B4B and B4K  A knife of the kind comprising a laminar replaceable blade held between two handle portions has the portions slideable relative to one another to release the blade or hold it in an exposed or stowed position. The blades may be of scalene or equilateral triangular form or have two curved sides of ogival, Fig. 9, or plain convex and concave shape, Fig. 8, (not shown). The sides may be notched, Fig. 7. The known trapezoidal shaped blades may be used. In one handle form, Fig. 1, a part 2 slides within a sheath 1 so as to wedge two sides of a blade 3 at opposite ends of the front opening 4 of the sheath, when the blade is exposed. The third blade side abuts an edge 6. A projection 8 in the sheath engages a recess in the part 2 to hold the parts engaged. To stow the blade, the parts are partially disengaged and the blade allowed to fall back into a rebate 9 in the part 2. The parts are then re-engaged. In another embodiment, Fig. 11, the sheath is replaced by a channel shaped portion 20 of a handle part 20B, a resilient sheet metal cover 24 fulfilling the function of the part 2. A recess 23 is provided for spare blades and may be fitted with a resilient pad. The recess and pad may be of such size and material respectively as to enable the knife to float. A projection 22A, Fig. 17, may be provided in the channel enabling a triangular blade 3A to fall back with a rotary motion when released and to be advanced with a different edge in the cutting position when the parts are re-engaged. In another form, Fig. 15 (not shown), the blade may be located by wedging its side faces between opposed convergent faces of the handle parts.
Patent GB-960078-A (GB)
Title: Improvements in fall-out shelters
Inventor: FISHER ROBERT
IPC: E04H9/10
Filed: 1961-12-23
Abstract: 960,078. Fall-out shelters. ATOMIC SHELTER CO. Ltd. Dec. 24, 1962 [Dec. 23, 1961], No. 46149/61. Heading E1A. A shelter for protection against radio-active fall out consists of a cavity brick wall construction a, a<SP>1</SP> reinforced by brass or galvanized ties b and cavity filled with sand or gravel and is provided with a passage protected by overlapping transverse buffers b<SP>3</SP>, a lead-lined door and a concrete roof covered by two or three feet of sand or gravel. The concrete roofing slab is covered with sheet lead and the sand or gravel with roofing felt. The shelter is provided with bunks, ventilating means, a protective porch, if necessary, partitions and a window of thick optical glass in the roof. The shelter may be submerged in the ground or partially submerged in which case the roof covering of lead is extended down the sides and ends to below ground level.
Patent GB-1398266-A (GB)
Title: Vehicle cleaning equipment
IPC: B60S3/06
Filed: 1971-10-06
Abstract: 1398266 Vehicle washing apparatus AVW EQUIPMENT Ltd 5 Oct 1972 [6 Oct 1971] 46437/71 Heading B7J Vehicle cleaning equipment comprises a frame supporting a cleaning member such as a brush 1 for rotation about a horizontal axis and movement upwards and downwards within the frame, and control means to cause vertical reciprocation of the brush 1 over an end of a vehicle during an end cleaning sequence characterized in that for different vehicles, the period between the commencement of the first upward stroke and the commencement of the immediately following downward stroke is always determined in dependence on the period in which the degree of engagement between an end of a particular vehicle and the cleaning member is not less than a predetermined degree of engagement. The degree of engagement may be sensed by a relay (R) of a control circuit, Fig. 2 (not shown), sensitive to either the rotational speed of brush 1 or the electric current drawn by an electric motor used to rotate brush 1. The brush movement either upwards or downwards may be motivated by gravity, the direction of brush rotation acting to assist such movement. The control circuit preferably causes three upward and two downward strokes over a vehicle end before brush 1 is moved onward longitudinally of the vehicle by travel of the frame The frame preferably also carried two substantially vertical side brushes mounted for movement towards and away from each other.