baber/WOPTO huggingface dataset:
Patent GB-1241365-A (GB)
Title: Three-way directional control valve
IPC: F16K11/044
Filed: 1969-11-25
Abstract: 1,241,365. Valves. CATERPILLAR TRACTOR CO. 25 Nov., 1969 [29 Nov., 1968], No. 57530/69. Heading F2V. A valve has a first conically shaped seat 22 located between first and second ports 14, 13, a second conically shaped seat 23 located between the second and third ports 13, 15, and a reciprocable poppet member 28 for selectively communicating the port 13 with either port 14 or 15 and comprising annular elastomeric means 31, 32 to co-operate with the first and second seats, the poppet member being rockable about an O-ring 27 on a fluid-actuated piston 26. The valve housing is formed from separate sections 16 ... 20 welded or bolted together and may be provided with a cup-shaped member or bore to act as a guide to a stem on the lower portion of the poppet. Natural rubber having a dicrometer hardness of 90 may be used for the elastomeric means which is formed with an angle a between 50 and 90 degrees and 10 degrees less than angle b. The valve is biased upwardly by a conical coil spring or by inlet pressure at port 14 and is operated by pneumatic or hydraulic pressure applied to port 24. A single member may be used in place of the separate means 31, 32 and be formed with spherical rather than conical seating surfaces.
Patent GB-1163174-A (GB)
Title: Improvements in Thyristor Rectifiers
IPC: H02M1/088
Filed: 1966-12-23
Abstract: 1,163,174. Rectifier systems. ALLM NNA SVENSKA ELEKTRISKA A.B. 23 Dec., 1966 [30 Dec., 1965], No. 57636/66. Heading H2F. [Also in Division H1] Series-connected thryistors in a high-voltage rectifier are alternately of PNPN and NPNP type. The thyristors are mounted in pairs on common bases, the cathode of one type of thyristor in the pair and the anode of the other type being connected to the common electrode. Fig. 2 shows one such arrangement, the thyristors in the pairs being provided with voltageequalizing tapped RC networks 6, similar equalizers 6<SP>1</SP> being connected (optionally) between adjacent pairs. Since adjacent elements of adjacent pairs are at the same potential the two control electrodes may be fed from a single transformer 4 energized by the control pulse generator (not shown). Unless single thyristors are used at the ends of the assembly separate control transformers 4<SP>1</SP> must be used. Coolant is fed through ducts 8 attached to the common electrodes, insulating connections 9 being provided between adjacent pairs. In a second arrangement (Fig. 4, not shown) the common electrode is provided at the other ends of the thyristors. In this case a common control transformer may feed the control electrodes of the two elements of a pair. The two thyristors of a pair may be enclosed within a single insulating housing.
Patent GB-1160008-A (GB)
Title: Cardiac Valvular Prosthesis
Inventor: SERVELLE MARCEAU
IPC: A61F2/24
Filed: 1967-12-21
Abstract: 1,160,008. Heart valves. R H O N EPOULENC S.A. 21 Dec., 1967. No. 58096/67. Heading A5R. [Also in Division F2] A prosthetic heart valve comprises a substantially circular ring 1, 2 providing an annular valve seat 1a and having on its periphery a member 5 suitable to receive suture threads, there being two substantially semicircular flaps 3 pivoted by pivot pins (3a) to the ring so as to be movable between positions in which the valve is open or closed, the two flaps being spaced apart from one another when in the open position so as to leave a passage between them of width 0.5 to 5 mm. The passage between the open flaps is said to prevent the two flaps remaining held together in the open position by a capillary effect. As shown, the valve seat and flaps are of a stainless metal or an alloy material and the member 5 comprises a braid of an exemplified synthetic material held to the ring 1, 2 by a spring or screw-threaded ring 6. An arch member 4 provides an abutment which engages the valve flaps when they are open so that their dihedral angle is 5‹-45‹ (e.g. 25‹). The dimensions of the valve are exemplified and the valve flaps may taper in thickness away from the pivot pins. Recesses (3b) are formed in the corners of the flaps (Figure 1, not shown) or, alternatively, in the valve seat. Instead of the abutment provided on the arch 4, stops may be provided on the flaps.
Patent GB-1417407-A (GB)
Title: Pre-loaded ball joint
IPC: F16C11/06
Filed: 1972-12-18
Abstract: 1417407 Ball joint bearings TOKAI TRW & CO LTD 18 Dec 1972 [29 Dec 1971] 58382/72 Heading E2F In a pre-loaded type ball joint, a bearing shell 10 is formed of synthetic resin or synthetic rubber and is held between the ball 43 of a stud 40 and a casing 30 in a pre-loaded state such that the bearing shell includes a ball receiving cavity 18, the ball contacting surface of which is provided in its intermediate annular portion with a plurality of isolated lubricant retaining recesses 25. The bottom portions of the recesses are deformable towards the peripheral surface of the ball in response to an external load so as to increase the ball contacting area of the contacting surface.
Patent GB-1386459-A (GB)
Title: Hydropneumatic suspension unit
IPC: B60G17/048
Filed: 1972-12-20
Abstract: 1386459 Self-levelling suspension units NISSAN MOTOR CO Ltd 20 Dec 1972 [24 Dec 1971 12 Jan 1972] 58739/72 Heading F2S A hydropneumatic suspension unit for mounting between a wheel and a body of a vehicle, comprises a piston 16a in a cylinder 12 filled with hydraulic fluid under pressure, an inlet 34 in the cylinder head communicating with a source of hydraulic fluid under pressure 38, an outlet 36 communicating with a drain, first and second poppet valves 52, 68 respectively, provided in the head parallel to each other and movable in opposite directions to open and close said inlet and outlet respectively, each of the poppet valves being subjected to said hydraulic fluid under pressure from said cylinder, a valve actuating means 82 secured to a floating piston 78 for actuating the poppet valves, said floating piston and said valve actuating means being axially movable, on shortening of the unit below the desired vehicle level, to a first position in which the first poppet valve opens the inlet and movable, on lengthening of the unit beyond the level, to a second position in which the second poppet valve opens the outlet, and first and second biasing means 86, 88 acting on said floating piston for maintaining the floating piston and the valve actuating means in a neutral position when the vehicle-body is maintained at the predetermined level. Damping is provided by passages 18 in the main piston 16a and a hydropneumatic unit 20 containing nitrogen. In a modification, the unit 20, Fig. 3, is positioned above the cylinder head and the floating piston 78 between the valves. In a further modification, fluid above the floating piston 78, Fig. 6, passes through an adjustable valve port 130 and fluid enters a bore in the piston through radial passages therein communicating with an inlet/outlet 142. Thus the floating piston can move at a fast rate only when either the inlet or outlet poppet valve (Fig. 5, not shown) is open. This ensures that the level regulating system does not respond to dynamic changes in length, but that, once initiated in response to a static change in length, it is terminated as soon as the unit reaches the predetermined length, so as to prevent overcorrection. (For Figures see next page.)
Patent GB-1153510-A (GB)
Title: Improvements in and relating to Ultra-High Vacuum Vapour Depositions Plants
IPC: C23C14/56
Filed: 1967-12-29
Abstract: 1,153,510. Vacuum furnaces. BALZERS PATENT-UND BETEILIGUNGS A.G. 29 Dec., 1967 [13 Jan., 1967], No. 59052/67. Heading F4B. Vacuum vapour deposition plant comprises a vacuum pump chamber 1 connected via a port 2, baffle chamber 5 and ring 16 to a bell 4 on a base 3, the components above chamber 1 being surrounded by a double walled heating hood 11 with electric heating elements 12, 13, 14 and 15 for desorption purposes. The bell 4 is connected by arms 7 to a carbon slide rod 8 actuated by a pneumatic or hydraulic motor 9.
Patent GB-1321253-A (GB)
Title: Erodible tuyere
IPC: F27D3/16
Filed: 1970-07-22
Abstract: 1321253 Tuyeres UNION CARBIDE CORP 22 July 1970 [15 Aug 1969] 59204/72 Divided out of 1321252 Heading F4B The subject matter of this specification is substantially the same as that described in Specification 1,321,252, but the claims relate to an erodible tuyere.
Patent GB-1341750-A (GB)
Title: Photographic light-sensitive material
IPC: G03C1/053
Filed: 1971-12-21
Abstract: 1341750 Photographic silver halide material FUJI PHOTO FILM CO Ltd 21 Dec 1971 [26 Dec 1970] 59512/71 Heading G2C A photographic light-sensitive material comprises a support having thereon at least one of a red-sensitive gelatino silver halide emulsion layer, a green-sensitive gelatino silver halide emulsion layer and a blue-sensitive gelatino silver halide emulsion layer wherein said layer or layers contain a polymer having the constituents: wherein R is an alkyl group (preferably having 1 to 4 carbon atoms) and wherein the molar ratio of the constituents is respectively x: y: z where x, y and z are numbers satisfying the following conditions: 40 # x # 90 10 # y # 60 0 # z # 40 and x + y +z = 100 Examples of suitable polymers are given. The emulsion may also contain as the binder for the silver halide a hydrophilic organic colloid other than gelatine e.g. cellulose or polyvinyl alcohol. The material may be developed in a colour developer (e.g. a p-phenylene diamine derivative) containing a diffusible cyan, magenta or yellow coupler e.g. a pheralic coupler, an open-chain methylenic coupler, cyclic methylenic coupler or an acylaceto amide open-chain methylenic coupler.
Patent GB-1193040-A (GB)
Title: A Process for the Production of Hydrogen Sulphide.
IPC: C01B17/16
Filed: 1968-12-16
Abstract: 1,193,040. Hydrogen sulphide. DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT. 16 Dec., 1968 [19 Dec., 1967], No. 59649/68. Heading C1A. Hydrogen sulphide is produced from its elements in a column reactor at elevated temperature and pressure, the hydrogen being introduced at the lower end of the reactor (pipe 3) and excess liquid sulphur at the upper end (pipe 4); the excess sulphur is continuously run off from the lower end of the reactor (pipe 6). The temperature of the sulphur entering the reactor is preferably between 115‹ and 160‹ C. Some of the excess sulphur may be run off through pipe 9 before the reaction zone and after heat exchange with the hydrogen sulphide formed and sulphur vapour. The excess sulphur run off may be cooled and recycled to the head of the reactor. Alternatively, only sufficient sulphur may be added to effect the reaction and heating of the hydrogen, and cooling of the product and sulphur vapour is effected by inclusion of a condenser fed with water at 130‹ C. If very high temperatures occur owing to inadequate turbulence in individual reaction zones, they may be lowered by the introduction of cooler liquid sulphur through pipes 10. The hydrogen sulphide obtained may be further purified by reacting any sulphur still present adiabatically at about 350‹ C. with hydrogen sulphide in the presence of conventional catalysts and optionally hydrogen.
Patent GB-1280850-A (GB)
Title: New method of producing carbon fibres with a high modulus of elasticity
IPC: D01F9/32
Filed: 1969-12-31
Abstract: 1280850 Carbon fibres LE CARBONELORRAINE 31 Dec 1969 [31 Dec 1968] 63592/69 Heading C1A High modulus carbon fibres are prepared by treating fibres of polyacrylonitrile or of an acrylonitrile copolymer containing at least 85% by weight of acrylonitrile with one or more halogen-free ethylenically unsaturated monomers copolymerizable therewith in an aqueous bath containing (a) ions of Cu, Zn, Mn, Cr, V, Fe, Co or Ni and (b) hydroxylamine, at between 60‹ and 130‹ C., oxidizing the treated fibres in an oxygen-containing atmosphere and thereafter heating the oxidized fibres in an inert or reducing atmosphere until they are carbonized. The process may be conducted continuously by passing the fibre through the bath and then effecting multiple passages of the fibres through a heating chamber, portions of the fibre outside the heating chamber being maintained under tension by a freely suspended loaded pulley.
Patent GB-653291-A (GB)
Abstract: 653,291. Fur conditioning machine. RELIABLE MACHINE WORKS, Inc. Nov. 16, 1948, No. 29821. [Class 76] A fur-conditioning machine comprises a frame A, a rotatable drum B mounted on said frame and having a cylindrical fur-conditioning surface 12, work-supporting table H on said frame adjacent said drum and having a greater width than said drum, and a fur-feeding mechanism C arranged on the opposite side of said table from said drum and movable toward said drum and into contact therewith, said table having an aperature J opposite said drum of a size sufficient for said fur-feeding mechanism to pass therethrough when said mechanism is moved toward said drum. As shown, the drum B, which may be of the conventional type having an alternate ironing and brushing action, is rotatably mounted on the long arms 10 of the frame A and is driven by a motor 16, which may also operate a blower 20 for assisting in. the cleaning of the fur as it is worked upon by the drum B. The fur-feeding mechanism comprises a carriage D, the lower portion 24 of the spaced members 22 of which are journalled at 26 in the side-pieces 6 of the frame A, and guides E and E<SP>1</SP> in the form of rollers 34 which are journalled in the ends of the forked arms 30 and 32 of the spaced members 22. A third roller 38 is journalled in a bracket 36 mounted on the members 22 below the said forked arms, and is driven through a belt and pulley assembly by the motor 52. An endless belt F passes over the rollers 34 and 38 and the driving roller 38 is adjustably mounted on the carriage member in order to accommodate for any stretching or slack which may develop in the belt F. The table H is mounted on the frame A in front of the drum B by means of arms 78 and has a horizontal surface 80 and a downwardlyinclined surface 82, which is provided with an aperture J through which the guides E and E<SP>1</SP> may pass when a treadle 62 is depressed. In operation, the fur (not shown), is supported upon the table H with the portion of the fur to be worked upon positioned in line with the drum B, the motors 16 and 52 are started, thereby driving the drum B rapidly and the endless-belt F slowly and the treadle 62 is depressed to carry the fur into contact with the drum B, contact being made with the guides E and El, the endless-belt F (and fur) between the guides conforming to the shape of the drum (Fig. 4, not shown). When one section of the fur has been conditioned the treadle 62 is released by the operator and the weight of the fur-feeding mechanism C acting against the springs 70 causes that mechanism automatically to assume the inoperative position of Fig. 1.
Patent GB-2002799-A (GB)
Title: Basic dyes
IPC: C09B23/00
Filed: 1978-08-03
Abstract: The invention relates to basic dyes useful for dyeing anionically modified fibres, made for example, of anionically modified nylon, polyester or acrylonitrile polymer. The dyes have the formula below:-   <IMAGE> where A< theta > is an anion, B is methyl, ethyl, benzyl or  beta -hydroxyethyl, n is 1 or 2, R is alkyl of 1 to 4 carbon atoms, X is hydrogen, methoxy, ethoxy or chlorine and Z is -C2H4-,   <IMAGE>
Patent GB-2030993-A (GB)
Title: Preparation of Cis Polybutadiene
IPC: C08F136/06
Filed: 1978-10-10
Abstract: Polymerisation of butadiene using as initiator system:     (a) a nickel carboxylate or an organic complex of nickel;   (b) an alkyl-, aryl-, alkoxy-, or aryloxyboron difluoride; and (c) an organometallic compound or hydride of a Group I, II or III metal (such as aluminium).   The cis-1 ,4-content of the resulting polymer is high and there is little or no gel formation. The polymerisation is preferably effected in the presence of 0.01 to 5% (based on the weight of butadiene) of piperylene, whereby the freeze- resistance of the resulting polymer is increased.
Patent GB-2011030-A (GB)
Title: Flexible Shaft Coupling
IPC: F16D3/80
Filed: 1978-11-20
Abstract: A plurality of elastic elements (11) extend radially inwards from an outer driven coupling part, and intermediate pieces (12), are located one between each adjacent pair of elastic elements (11), to form chambers for damping liquid between the elastic elements and the intermediate pieces. The tapered elastic elements have their radially inner ends fitting in axially extending grooves (16) in the periphery of a driving coupling part (20) and the chambers (13, 14) are bounded at their ends by closure walls and, in operation of the coupling, the damping liquid can be displaced through gaps between the elastic elements and one of the closure walls from the chamber (13) to the chamber (14). The elastic elements (11). the intermediate pieces (12) and an outer ring (10), comprise a one-piece member, with minimum rotary mass, or may consist of a laminated set of one-piece members fixed together face to face. <IMAGE>
Patent GB-2010158-A (GB)
Title: Method of hydrostatically extruding a billet of aluminium or aluminium alloy
IPC: B21C23/32
Filed: 1978-11-27
Abstract: In the hydrostatic extrusion of a billet of aluminium or aluminium alloy, the billet is coated with a polyethylene wax and preheated to a temperature of at least 130 DEG C before it is subjected to the hydrostatic pressure. Particularly preferred polyethylene waxes for this purpose are those in which the polyethylenes have a molecular weight of at least 5,000.
Patent GB-2048569-A (GB)
Title: Slide switch
IPC: H01H15/06
Filed: 1979-04-10
Abstract: A slide switch comprises a housing 21 of generally parallelepiped form having a slot in its upper face along which an actuator is movable and carries contacts which co-operate with fixed contacts to provide a binary code on terminals 24, 25, 28. The fixed contacts comprise conductive patterns on insulating substrates 16 provided one on each side of the actuator. The conductive patterns are produced by conventional printed circuit techniques. <IMAGE>
Patent GB-2059142-A (GB)
Title: Gas lasers
IPC: H01S3/0977
Filed: 1979-09-06
Abstract: The invention provides a pre- ionizable gas laser arrangement including a spark gap array 1 optically coupled to the main gap 15 of the laser so as to provide U.V. irradiation thereof. The spark gap array 1 consists of a series of spark gaps 2-7, with a capacitor 8-13 connected between each point following a spark gap in the series and a common conductor 14'. High tension 16 is applied across the series of spark gaps and a trigger signal 21 is applied to the common conductor in order to initiate spark gap breakdown to produce ultra violet radiation. The main gap of the laser may be in series with the spark gaps of the array, as shown, or may be in parallel with a separate switch controlling the initiation of discharge thereacross Figure 3 (not shown). <IMAGE>
Patent GB-2061599-A (GB)
Title: Battery housing
IPC: H01M50/271
Filed: 1979-10-26
Abstract: An electrical storage battery is disposed in a cell housing comprising a housing body 2 and V-shaped housing cover 3. Apertures 7 have shaped cowlings 10 and are formed in the body 2, apertures 21, 13 and 14 having cowlings 17, 18, 19 and 20 and are formed in the cover 3 and apertures are defined between angle irons forming the base of the housing on which the cells of the battery are supported. In operation, air flows in through the base apertures and apertures 7 and 21 and out through apertures 13 and 14 to dilute gas produced by the cells and promote cell cooling. <IMAGE>
Patent GB-2042870-A (GB)
Title: Apparatus for Implanting Pockets
IPC: A41H43/00
Filed: 1979-11-13
Abstract: An apparatus (10) for incorporating a pocket bag (30) into a garment panel (84) includes several operational stations (12, 14, 16, 18, 20, 22, 24). The pocket bag (30) and the garment panel (84) are held in place by a manually movable template (44). The pocket bag (30) and garment panel (84) are adhesively interconnected at the first station (12). A slit (122) is formed at the second station (14). The edges of the slit (122) are folded back and secured to form a pocket slot (184) at the next two stations (16, 18). If desired, a welt (240) can be installed at another station (20). If desired, a facing strip (268) can be installed over the welt (240) and/or slot (184) at another station (22). The periphery of the closed pocket bag (30) is secured at the last station (24), after which the panel (84) can be assembled into a garment. <IMAGE>
Patent GB-2042329-A (GB)
Title: Suspending curtain walls in vehicles
IPC: A47H13/04
Filed: 1979-11-22
Abstract: A plurality of reinforcing tape loops (2-4) are secured at spaced intervals to the head of a curtain wall material (1) whereby the curtain may be engaged by a hook suspended from a track runner. <IMAGE>
Patent GB-2064186-A (GB)
Title: Information display system
IPC: B63B49/00
Filed: 1979-11-27
Abstract: An information display system for use on boats has a central computer unit (12) which receives data from transducers (14, 20, 28, 32) and supplies this data and functions computed from it to analogue meters (42 etc) and to a plurality of digital displays (54). The digital data is transmitted by a data bus (52) as 32 coded data items in time division multiplex. Each digital display (54) is preselectable to display on a liquid crystal display (64) any desired four of the data items, the items displayed at any instant being selected from the four preselected items by a touchpad (66). In the computer unit each data digit of each data item is encoded direct into a 14 bit code, each pair of bits (01 or 10) corresponding to one segment of the 7-segment character display. <IMAGE>
Patent GB-2040774-A (GB)
Title: Stirring weld metal
IPC: B23K9/08
Filed: 1979-12-17
Abstract: Welding apparatus for electric arc welding of two workpieces of non- magnetic material spaced by a narrow gap has a welding head comprising a tungsten electrode 20 with gas shields 21 which extend substantially across the gap. The gas shields form, with the walls of the workpieces on the two sides of the gap, a gas-containing region providing the path for an inert gas to be fed around the arc. A first solenoid 27 around the welding head and adjacent the face of the workpieces 10, 11 co-operates with a second co-axial solenoid 30 adjacent the opposite face of the workpieces to produce a magnetic field interacting with the arc current flowing in the molten metal to cause stirring of this metal. The welding head is repetitively traversed along the gap 12 to form successive layers 13, 14 of weld metal joining the workpieces, the magnetic stirring causing the molten metal to wash over the surfaces of the workpiece thereby assisting in obtaining good heat distribution and a satisfactory weld. Permanent magnets may replace to solenoids to cause stirring. <IMAGE>
Patent GB-2057078-A (GB)
Title: Hydraulic brake system for a traction vehicle
IPC: B60T13/14
Filed: 1980-07-10
Abstract: A hydraulic brake system for a traction vehicle enables a trailer connected (through hydraulic coupling 23) to the traction vehicle to be braked through application of the vehicle handbrake 1 as well as through application of the vehicle service brake 5, thereby enabling the driver safely to leave his vehicle to uncouple the trailer. To this end, the traction vehicle brake system includes a trailer brake valve 11 through which a trailer brake line 13 which supplies the trailer brake unit can be pressurized, and it is arranged that the trailer brake valve 11 is operated either by service brake pressure from the vehicle main brake cylinder 6 or by the vehicle handbrake 1. The coupling between the vehicle handbrake and the brake valve can be mechanical (Fig. 1) or hydraulic (Fig. 2). <IMAGE>