baber/WOPTO huggingface dataset:
Patent GB-220785-A (GB)
Title: Improvements in electrical potential dividers
IPC: G01R15/14
Filed: 1923-07-27
Abstract: 220,785. Churcher, B. A. G., and Metropolitan-Vickers Electrical Co., Ltd. July 27, 1923. Resistances.-A potential divider for use in connection with high tension measurements is provided with a number of screens for the resistance, inductance or capacity therecf, each screen being raised to the average potention of the respective portion with which it is associated. Fig. 3 shows the subdivided high tension resistance 1 surrounded by a a number of screens 6, 7 each connected to an appropriate point of an indutance 12 in shunt to the resistance 1. Fig. 5, shows a capacity potential divider comprising a number of plates 27, 28 spaced apart, and co-planar with each of the intermediate plates is a flat annulus 30, 31 of greater diameter than the plates.
Patent GB-201740-A (GB)
Title: Improvements in connection with the housing or recessing of staircase strings
IPC: B27M3/12
Filed: 1922-07-14
Abstract: 201,740. Redwood, G. July 14, 1922. Trenching.-Slots are cut in staircase stringers by means of a single dovetail cutter Z below which the stringer S is moved, being wedged into a frame A. The frame carries a metal templet B, which is adjustable about a pivot-bolt K to accommodate the pitch of the staircase, whilst the parts E', E<2> are separately adjustable for the width of the slots. The groove in the templet works over a stud N on the machine table, rubbing strips 0 being sunk into the underside of the frame. Right-handed and left-handed templets are used.
Patent GB-1430530-A (GB)
Title: Drilling apparatus
IPC: E21B7/04
Filed: 1974-05-02
Abstract: 1430530 Boring earth &c JACOBS ASSOCIATES and K M WILLIAMSON 2 May 1974 19345/74 Heading E1F A method of drilling for deep formations from a drilling location at the surface which is horizontally remote from the bottom of the hole to be dug includes the steps of storing a plurality of long drill rods 41 horizontally, thrusting a first drill rod into the earth slanted only slightly downward from the horizontal, drilling at the remote end 43 of the drill rod a hole which slopes downwardly and then curves to a substantially vertical direction as drilling progresses, and sequentially joining additional drill rods at the drilling location and thrusting each additional drill rod into the hole as drilling progresses. As described the drill rods 41 are thrust into the earth by a gripper device 42 mounted on a carriage 36 which moves down inclined rails 38 by gravity, the carriage 36 being returned to the top of the slope by a winch 39. The gripper device 42 may rotate the drill string to perform the drilling. Alternatively the drill string is not rotated, the end of the string being provided with a downthe-hole turbine motor powered by drilling mud passing down the hollow drill string. The drill rods 41 are stored in pipes 46 placed in fixed racks 48 and a movable rack 49 (Fig. 4). The rack 49 can be moved transversely by rams 53 and vertically by rams 58 to bring the end of each pipe 46 into line with the gripper device 42. Drilling mud is pumped from a mud pit 61 by pump 62 along conduit 63, into T-piece 64 where it flows along the space between the pipe 46 and drill rod 41. Each pipe 46 is provided with an end cap 47 so that the mud then flows along the hollow drill rods 41 down to the end 43 of the string. The mud then flows back up the bore and through T-piece 33 and conduit 68 back into the mud pit. So that the mud in each pipe 46 is not lost, the pipes 46 may be provided with gate valves 77 (Fig. 5a) which close off the ends of the pipes 46 after the drill rod 41 has been removed.
Patent GB-278835-A (GB)
Title: Electrical controlling means
IPC: H03H7/24
Filed: 1926-08-05
Abstract: 278,835. Kirke, H. L. Aug. 5, 1926. Attenuation equalizers and similar impedance networks. -An arrangement for controlling the output of, for example, a loud speaker Z, Fig. 1, in such a way that the amount of control is independent of the varying impedance of the apparatus Z and all frequencies are ccntrolled to the same extent, comprises variable series and shunt impedances R1, R2 of values R0 (I-r/r), R0/I-r respectively, where R0 is the impedance of the source and r is the amount of control i.e, the ratio of the voltage across terminals 3, 4 with the control present to that without any control. Impedances R1, R2 must be of the same kind (resistive, inductive or capacitative) as the impedance R0. Fig. 4 shows a construction in which the impedances R1, R2 are combined in a single unit, each provided with a number of tappings so as to give a series of values of r. The tappings are so chosen that for corresponding points R1 = (I-/r)<2> R2 and the two contact arms 5, 6 are operated simultaneously bv a single knob. Specification 260,537 is referred to.
Patent GB-781719-A (GB)
Title: Improvements in or relating to a device for permanently regulating the speed of a rotary member
IPC: G04B17/04
Filed: 1955-07-05
Abstract: 781,719. Clocks and watches. LIP SOC. ANON D'HORLOGERIE. July 5, 1955 [July 12, 1954], No. 19445/55. Class 139 The escape wheel of a mechanical or magnetic escapement is acted on continuously by braking means to prevent the wheel running away from the oscillator. In the first example, Fig. 1, the oscillator comprises a rod 9 the end 8 of which cooperates with two concentric rows of pins 2, 3 on rotating disc 1 which constitutes the escape wheel. The disc 1 is continuously braked by the action of an adjacent permanent magnet 6. If the disc 1 is of plastic material it is provided with a metal sheath 7. In the second example, Fig. 2, the oscillator 9 carries a magnet 8 which co-operates with the pins 2, 3 of the disc 1.
Patent GB-912282-A (GB)
Title: Plutonium alloys containing controlled amounts of plutonium allotropes obtained by application of high pressures
IPC: C22C43/00
Filed: 1960-06-01
Abstract: 912,282. Nuclear fuel. UNITED STATES ATOMIC ENERGY COMMISSION. June 1, 1960 [June 2, 1959; April 18, 1960], No. 19447/60. Drawings to Specification. Class 39 (4). A plutonium alloy which has been stabilized in the delta allotropic form is freed from voids and cracks and is changed in physical characteristics by compression to at least the lowest of its transformation pressures in order to convert the delta form partially to the alpha form. The alloys are useful as nuclear fuels. Stabilization of plutonium in the delta allotropic form is effected by heating and rapidly cooling the alloy. Suitable alloying metals are aluminium, zinc, zirconium, indium, cerium, erbium, hafnium, scandium, dysprosium, thulium, lutetium, and thallium. If the content of alloying metal is below a certain amount, the delta form is not retained at room temperature. In order to effect the change to the alpha form, which is of increased density and hardness, the alloy is compressed hydraulically in a cylinder, using glycerine as the hydraulic fluid. With plutonium-cerium alloys there are two transformation pressures, one corresponding to the formation of the beta phase, and the other to the formation of the alpha phase. If the alloy contains more than a certain amount of delta stabilizing metal, there will be a return to the delta form on release of the pressure. Graphs are provided showing for various alloys the volume change with increasing pressure, the variation of transformation pressure with percentage of alloying metal, and the effect of compression on the density and hardness of the alloys.
Patent GB-279947-A (GB)
Title: Improved machine for cutting off portions of meat or dough in predetermined quantities
IPC: A21C5/00
Filed: 1926-08-06
Abstract: 279,947. J÷rgensen, O. Aug. 6, 1926. Cutting-machines.-A machine for cutting off portions of dough or meat for pies &c. comprises a hopper having an opening adapted to be more or less covered by a knife blade, to regulate the discharge of the material, the knife being reciprocable to sever the material. As shown, the hopper 3 is furnished with an opening 2 beneath which a knife 5 is reciprocable in guides 4 by a rod 11 and crank 12 driven through a shaft 15 and gear 17 by a handwheel 18. The knife 5 is secured to a member 6 adjustably connected to the rod 11 by a bolt, 8 passing through a sleeve 21 and engaging a guide 7, and secured by a nut 10.
Patent GB-461008-A (GB)
Title: Indicating device for liquid-filled electrical apparatus
IPC: H01F27/40
Filed: 1935-07-08
Abstract: 461,008. Transformers. BUCHHOLZ, M. July 8, 1935, No. 19481. Convention date, July 26, 1934. [Class 38 (ii)] An indicating device for liquid-filled electrical apparatus in which gases of decomposition &c. may be generated, comprises a liquid-filled collecting vessel containing a float, the liquid level and thereby the float being depressed by the gases collecting in the vessel, the float being arranged to give a visible indication by substantial alteration of position. In the form shown in Fig. 1, a float i is pivoted at d in a vessel g so that on the level of the liquid falling it will take up a position in front of the window s. In a modification, Fig. 2, the float i moves vertically, the top half of the front being opaque. The single float may be replaced by a number of small floats. In a further modification, the front has opaque stripes across it and the float has a similar pattern arranged so that when the float is in the lower position the pattern become visible. To enable liquid to escape readily from the chamber as gas enters a byepass may be provided. The Specification as open to inspection under Sect. 91 comprises also the subject-matter of Specification 459,528. This subject-matter does not appear in the Specification as accepted.
Patent GB-134979-A (GB)
IPC: A61F2/58
Filed: 1918-11-27
Abstract: 134,979. Rudge, T. Nov. 27, 1918. Limbs, artificial.-The mechanism for operating thumbs described in Specification 120,933 is modified by the provision of locking-means which fix the thumb in position automatically when the hand is supporting a weight. The thumb is opened against the action of a spring B to grasp an object, by a pull on the cable F, which swings the T-shaped link G<2> about the pivot G<1>, and thus moves the free end of the spring through the agency of the link Hand pin-and-slot connexion C. This movement of the spring is transmitted by a knob or ball on the end of the spring to a toothed segment A' integral with the thumb, so as to swing the thumb about the pivot A<2>. In the closed position of the thumb, a hook A<4> on the segment is in line with a slotted link G' pivoted to the link G<2>. The weight of the object grasped tends to open the thumb within the limits of the pin-and-slot mechanism C without disturbing the operating-mechanism. This opening movement throws the hook A<4> into engagement with the slotted link to lock the thumb. The slotted link G<3> is fixed to its pivoting peg which passes through the link G<2> and projects at the rear. A link G<5> is fixed to the rear end of this peg, and is pivoted to an anchor link E' pivoted to the main framing behind the stop E. This arrangement maintains the slotted link in line with the hook in the closed position of the. thumb and moves the link rapidly out of the path of the book during the initial movement of the operating-cable to open the thumb. Specification 122,030 also is referred to.
Patent GB-860905-A (GB)
Title: Improvements in or relating to flexible conduit assemblies
IPC: F16L17/073
Filed: 1959-06-08
Abstract: 860,905. Rotary joints; articulated pipes. VAPOR HEATING CORPORATION. June 8, 1959 [June 23, 1958], No. 19597/59. Classes 99(1) and 99(2). A flexible conduit assembly for connecting pipes, e.g. train pipes of adjacent railway carriages comprises two conduit sections 10, 11 in end-to-end relation, the conduit 10 being provided with a thrust flange 18 having a cylindrical outer surface 19 and an inner frustoconical end face 20, and the conduit 11 having a frusto-conical end face 27 opposed to the face 20 of the flange 18 and an annular recess the outer wall 30 of which defines a flange for overlapping a portion of the surface 19. There are sealing means located between the end faces 20, 27 and having sealing surfaces complemental to those faces, and means for pressing the opposed ends of the conduits into selfaligning operative positions with capacity for free turning movement comprising a thrust ring 24 of wedge shape disposed in the annular recess and having an inclined face complemental to a radially outer marginal area 23 of the end face 20, a thrust ring 26 located opposite the ring 24 and complemental to the outer face 25 of the flange 18, and a clamp ring 35 engaging the ring 26 and the outer surface 19 of the flange and effective to hold the opposed conical faces of the conduits against relative axial movement independently of the sealing means. As shown, the sealing ring 50, of natural or synthetic rubber is V-shaped in cross-section and reinforced by an internal, split ring 51. The thrust rings are of comminuted stainless steel or brass impregnated with a solid lubricant such as graphite. In a modification, the thrust ring 26 is rectangular in cross-section and may be provided with an anti-friction collar 26a.
Patent GB-1165977-A (GB)
Title: Improvements in or relating to Gas Shielded Arc Welding Torches
IPC: B23K9/28
Filed: 1967-04-28
Abstract: 1,165,977. Welding by fusion. MESSER GRIESHEIM G.m.b.H. 28 April, 1967 [30 April, 1966], No. 19628/67. Heading B3R. [Also in Division H5] In a gas-shielded arc welding torch wherein the clamp sleeve casing 12 and a metal tubular part 18 for supporting the gas nozzle 20 from an annular chamber 21 through which cooling water is passed, an outer one-piece plastics jacket 22 surrounding the torch serves to fasten and mutually electrically insulate the casing 12 and part 18, and welding current is fed directly to the casing 12, preferably via the inert gas passage 34. The electrode 10 is non- consumable and is held in a clamp sleeve 11, but a torch with a melting wire electrode may also utilize the invention, in which case a contact tube of known construction replaces sleeve 11. Plastics jacket 22 extends laterally on the torch handle 31 which contains cooling water passages 33, 32, Figs. 2, 3 (not shown), and the gas passage 34 which is provided with a metallic lining 37. Passage 33 leads into a cable connector 35 for the welding current supply, the connector 35 being secured in a metal bridge 36.
Patent GB-381596-A (GB)
Title: Improvements in or relating to rubberised fabric made from fibrous material and process for the production thereof
Filed: 1931-07-09
Abstract: In a rubber-coated fabric for use in sieves, the warp and weft threads are protected by a common rubber covering and form an open network, that is, the thickness of the covering is less than half the width of the mesh.  The rubber is preferably applied in the form of a solution or dispersion, and may comprise rubber, guttapercha, balata or similar vegetable resins.  The dispersions may include those of coagulated rubber, vulcanized rubber, synthetic rubber, waste or reclaim, and may contain compounding and vulcanizing agents.  When rubber solution is used, one or more coatings are applied; with aqueous dispersions, coagulating agents may be used, so that only one coating operation is required for thin coatings, and only a few operations for thick coatings.  For instance, the fabric may be treated prior to coating with a coagulant such as calcium chloride solution.  A thin undercoating of rubber may be first applied by dipping the fabric into rubber solution or dispersion, and coagulating liquid, for instance, a solution of acetic acid in benzene, then applied and allowed to soak into and swell the rubber. The fabric is then treated with the aqueous dispersion of rubber. The openings of the mesh of the fabric are freed from liquid by spraying water on the fabric after it is removed from the bath of dispersion.  Alternatively, a stream of air may be used.  The aqueous dispersions may be applied by dipping, spreading or spraying.
Patent GB-240135-A (GB)
IPC: B65H49/30
Filed: 1925-08-05
Abstract: 240,135. Stuhlmann, H. C. Sept. 22, 1924, [Convention date]. Reeling-machines.-A reel for hanks of yarns, including the untwisted hanks of thread formed in spinning artificial silk, is used with a support or former of foil of suitable foldable material on which the yarns are wound, and to release the hank and its support, the reel is constructed of bars 5 connected together at their ends by elastic material, and two of the bars are provided with slots 2 which, by longitudinal movement, allow the bars to move towards the centre of the reel to enable the hank and its support to be removed.
Patent GB-511094-A (GB)
Title: Improvements in or relating to cinematograph projectors
IPC: G03B15/08
Filed: 1938-07-04
Abstract: 511,094. Kinematograph projectors. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. July 4, 1938, No. 19754. Convention date, July 7, 1937. [Class 97 (i)] Two projectors, each having a high pressure mercury-vapour lamp with contracted discharge path housed in the projector head, and feed and take-up reels located in tandem in a casing behind the projector head, are arranged one over the other, and at least the light source, the picture frame, and the objective of each projection head, are mounted on a separate member rotatable about a horizontal axis. As shown, plates 1, 2, rotatable in a single frame 3, respectively carry the projector heads 4, 5, and sound units 10, 11. The lamps are housed in recesses closed by screw caps 6, 7, and the heads are movable with respect to the film guides by rotation of hand wheels 8, 9. The reels 13; 14 for each projector are housed in one of two boxes 15, 16 each divided into separate chambers and closed by a single door, and the take-up reels are driven from belt discs 19, 20. A plate 12 protects the lower projector head against dirt and water from the upper head. A housing 22 may support the projectors and contain the amplifiers, &c. Specification 488,646 is referred to.
Patent GB-694711-A (GB)
Title: Collapsable compact photographic camera for non-laterally inverted direct positive photographs
IPC: G03B19/04
Filed: 1948-07-26
Abstract: 694,711. Collapsable photographic cameras. BRISCH, J. April 30, 1949 [July 26, 1948], No. 19892/48. Class 98 (i). A camera for taking non-laterally inverted direct positive photographs has a housing mounted on the camera body and including a reflector mounted at 45 degrees to the exposure plane of the camera and to the axis of the camera objective which is substantially parallel to the exposure plane, the objective, a rangefinder, and a viewfinder being mounted on the outer front wall of the reflector housing, and the reflector housing being collapsable and slidable so that when collapsed it may be turned down into the camera body with the objective, rangefinder, and viewfinder so that it forms with the body a protective casing for them. As shown, a plate i bearing a mirror k is hinged to the top of a plate l to which is slidably attached a plate m carrying the objective o having an adjustable diaphragm p coupled rangefinder q, and viewfinder t, Fig. 3 (not shown), the plate i being hinged to a plate h slidable in an apertured disc g rotatable in the front wall of the camera body a which houses film cassettes b and a roller blind shutter c. Triangular plates r are hinged to the plate i and together with the plates l, i, h form a light-tight housing when the plate l is engaged by a catch s on the disc g. On releasing this catch, the plates r may be folded over the mirror k and the plate l swung back on to them, whereafter the plate i may be swung down through the disc g, the plate h being movable radially of the disc to permit this and the collapsed unit being held closed by engagement of the other end of the catch s with the plate k. Specification 440,546 is referred to.
Patent GB-839782-A (GB)
Title: Improvements in or relating to joints between tubes of dissimilar materials
Inventor: FAWCETT SYDNEY
IPC: G21C15/22
Filed: 1957-06-24
Abstract: 839,782. Nuclear reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. June 24, 1958 [June 24, 1957], No. 19895/57. Class 39(4). [Also in Group XXVIII] A tube coupling, for coupling a smaller double walled zirconium tube 200 to a larger mild steel tube 201 forming part of the structure of a sodium cooled graphite moderated nuclear reactor after passing the tube 200 through the tube 201, comprise sa metal sealing ring 204 located between flanges 202, 203 on the tubes 200, 201 respectively the sealing ring being of material, e.g. a nickel alloy, having a coefficient of thermal expansion intermediate between those of the tubes 200, 201, and means clamping the ring 204 between the flanges 202, 203 and having thermal expansion which to, gether with those of the ring 204 and the tubes 200, 201 compensates to stabilise the variation of load in the ring 204 with temperature changes. As shown, the ring 204 is clamped between the flanges 202, 203 by a clamping ring 206 screwed inside the tube 201 and a nest of interengaging co-axial sleeves 212, 215, 217, the sleeves 212, 217 being of a nickel alloy and the sleeve 215 being of mild steel. The ring 204 and the sleeve 217 have similar thermal expansion characteristics while the sleeve 212 has a higher thermal expansion characteristic. The clamping ring 206 has an integral tubular part 209 having an external flange 210 which engages a flange 211 on the tube 200 to permit withdrawal of the latter through the tube 201. A hood 221 located against the tube 200 by a sleeve 219 screwed thereon, covers a tube 222 welded to a plate 224 covering graphite blocks 225 forming the core of the reactor. A tube 114 located in a tube 230 passes coaxially through the tubes 200, 201 and can be removed from the reactor by a lifting tool engaging a recess 119, in a tubular boss 116 located in the tube. Liquid sodium flows from a header tank 231 down the annular space between the tube 114 and the tubes 201, 200 and thence up the tube 114 to effect cooling of fuel rods contained therein. Any fluid escaping between the flange 203 and the sleeve 219 through failure of the seal is directed by the hood 221 through a perforated tube 227 on to the plate 224 from whence it may be pumped away.
Patent GB-1317417-A (GB)
Title: Artificial tendon
IPC: A61F2/08
Filed: 1972-04-28
Abstract: 1317417 Artificial tendon RHONE-POULENC SA 28 April 1972 [30 April 1971] 19896/ 72 Heading ASR An artificial tendon comprises a textile strip which is substantially longitudinally extensible, and a flexible tube 2 of a material which will not adhere to tissues, the tube 2 sheathing the central portion of the strip. Preferably, the textile strip 1 is wound up on itself starting from the two side edges, as at 1a. The strip 1 may be made of a knitted polyester fibre, such as glycol polyterephthalate. The sheathed central portion of the strip 1 may be impregnated with an adhesive such as an organosilicon elastomer. The tube 2 may be slidable on the strip 1. The tube 2 may also be of an organosilicon elastomer, and may be reinforced with an extensible textile. All parts of the tendon may contain radio-opaque material.
Patent GB-725769-A (GB)
Title: Improvements in or relating to force feed oil cans
IPC: F16N3/08
Filed: 1953-07-20
Abstract: 725,769. Reciprocating pumps for oil cans. KAYE & SONS, Ltd., J., and KAYE, A. W. July 20, 1953, No. 20014/53. Class 102 (1). In a force feed oil can, the cover 3 of the container 1 carries the pump, nozzle 5 and pistol grip 6. The cylinder 16 is reciprocated over a fixed piston by a trigger 8 which is pivoted at 9 to the pistol grip and has a forked end, the fork being formed by pressing out a tongue 10 which actuates a lever 11 connected by a forked end to a rod 13 attached to a bracket 15 on the cylinder 16. The cylinder is raised by depressing the trigger and lowered by the spring 17.