baber/WOPTO huggingface dataset:
Patent GB-1013922-A (GB)
Title: Improvements in or relating to nuclear reactors
Inventor: WORLEY NORMAN GEORGE
IPC: G21C15/04
Filed: 1961-03-21
Abstract: 1,013,922. Nuclear fuel elements. BABCOCK & WILCOX Ltd. March 19, 1962 [March 21, 1961], No. 10327/61. Heading G6C. A nuclear fuel pin cluster for a liquid-cooled nuclear reactor comprises fuel pins provided with helical finning and arranged in a matrix with a series of flow spaces between the fuel pins such that four fuel pins are associated with each flow space and the fins of adjacent fuel pins at the sides of the flow spaces are of opposite hands. In the embodiment shown, the fuel pins 1 are arranged at uniformly spaced intervals 2 in a square lattice and held in proper spaced relation by short ferrules 3. Each fuel pin 1 is provided with fin means 4 comprising a pair of helical fins 5 extending longitudinally of the pin and being equally spaced apart. The fins 5 of adjacent fuel pins 1 are of opposite hands so that the coolant, which flows around individual fuel pins 1 in helical paths 7, enters each flow space defined within a group of four fuel pins 1 through inter-pin intervals 2 at one pair of opposite sides of the flow space, and leaves the space through inter-pin intervals 2 at the other pair of opposite sides. As a result the surfaces of the fuel pins 1 at the intervals 2 are effectively swept by coolant and there is circulation of coolant between the different flow spaces tending to maintain the temperature and/or vapour-liquid ratio of the coolant uniform in all the flow spaces.
Patent GB-521785-A (GB)
Title: Improvements in and relating to the construction of reinforced concrete floor members, beams, and the like
IPC: E04B5/06
Filed: 1939-04-03
Abstract: 521,785. Floors. LETHBRIDGE. C. April 3, 1939, No. 10343. Convention date, Feb. 10. [Class 20 (iv)] [Also in Group V] Hollow reinforced concrete beams are formed wider at the bottom than at the top so that .when assembled side by side in a floor they form channels 2. The beams are temporarily secured by bolts 17 passed through recesses 16 in the sides of the beams and engaging washers 18 or ordinary battens, and the channels are filled with grouting. When this has set, the retaining members are removed. The lower surface may be used as a ceiling without further plaster work other than the filling of the holes left by the bolts 17. Reinforcing rods may be arranged in the grouting in the channel. The sides of the beams may be ribbed &c. so that the grouting is held securely.
Patent GB-435057-A (GB)
Title: Improvements in manhole covers and frames of the type which are used to give access to drains or sewers
IPC: E02D29/14
Filed: 1934-04-06
Abstract: 435,057. Manhole covers and frames. PELL, H. W. L., Vale House, Tonbridge, Kent. April 6, 1934, No. 10384. [Class 107] A circular manhole cover has a three-point support upon its frame and is provided beneath the supports with three downwardly extending lugs, the lower ends of which abut against faces formed at the lower extremity of the frame. In the construction shown in vertical section, the peripheral flange of the cover has three projections P which rest on the horizontal flange R of the frame. Two of the three downwardly extending lugs A are filed or ground so that their lower ends contact with faces E formed on the frame, while the third lug G is fitted with an adjustable screw B adapted to bear against the lower extremity of the lug D.
Patent GB-674452-A (GB)
Title: Road-adherence indicator for a motor vehicle
IPC: B60Q9/00
Filed: 1950-04-27
Abstract: 674,452. Indicating devices on motor vehicles. LUCAS, R. April 27, 1950 [April 27, 1949], No. 10407/50. Class 79(v) A road-adherence indicator for a motor vehicle comprises a roller arranged to run on the road anc subjected to a torque proportional to the vehicle speed, the roller skidding under the torque if the road-adherence is insufficient. A shown the roller a is carried by an arm b and a tube formec of telescopic section: c, c<SP>1</SP>, c<SP>2</SP>. Liquid is in troduced to the tube through a pipe anc subjected to a spring urged piston e simu lating the vehicle suspension. The sec tions are either ova in cross section or interconnected by lugs so as to transmit a torque applied to a plate j by electrical means. Secured to the plate j are spindles n connected to the cores k, k<SP>1</SP> of electromagnets, the coils of which are energized in proportion to the vehicle speed. Normally the torque is resisted by the roller a but if the road-adherence is reduced, the plate j is moved actuating a visual or acoustic signal which warns the driver to reduce the vehicle speed.
Patent GB-727447-A (GB)
Title: Formation of p-n junctions
IPC: H01L21/302
Filed: 1953-04-16
Abstract: 727,447. Semi-conductor devices. INTERNATIONAL BUSINESS MACHINES CORPORATION. April 16, 1953 [April 19, 1952], No. 10411/53. Class 37. [Also in Groups II and XXII] A P-N junction is produced by placing a P-type semi-conductor body in contact with an N-type body of the same basic material and applying heat in a neutral or reducing atmosphere so as to raise the temperature of one body to its melting-point at the junction. In Fig. 1, an N-type body 10 of germanium is placed in a graphite crucible 12 which is then filled with a powder 14 of P-type germanium. The whole is enclosed in a quartz envelope 18 which is evacuated, or contains a neutral or reducing atmosphere such as hydrogen or helium. The powder 14 is heated to about 946 C. from above by a radiant heater 16 of graphite so that only the powder and the upper surface of body 10 melt. The mass is then cooled at a controlled rate (e.g. 10 per minute down to a temperature of 550 C., at which it is maintained for 16 hours) so that the whole mass becomes a single crystal. The process may be repeated to form N-P-N or P-N-P junction blocks. In place of the powder 14, a solid body of P-type material may be used. The P and N portions may be interchanged, and silicon may be used in place of germanium. In an alternative method (Fig. 3) for use with materials such as germanium which expand on freezing, a wafer 10<SP>1</SP> of N-type material is placed in contact with a wafer 141 of P-type material of smaller crosssectional area. Pressure is applied by means of a quartz rod 28 and graphite plates 22 and 24, whereby the melting-point of wafer 14<SP>1</SP> is reduced so that it is slightly below that of wafer 10<SP>1</SP>. The whole, in envelope 18, is then heated by means of coil 161 so that wafer 14, but not wafer 10, just melts, and as the contact area increases the materials freeze again due to the reduction in applied force per unit area. P-N furnace 32 and cover 34 are used to facilitate temperature control. The wafers 10<SP>1</SP> and 14<SP>1</SP> need not be of constant cross-sectional area. A plurality of wafers may be provided, or the operation may be repeated to provide N-P-N or P-N-P junction blocks. Reference is made to the production of P-N junctions by impurity diffusion, and also by withdrawing a seed crystal from a molten mass arranged to have a particular temperature gradient.
Patent GB-1375771-A (GB)
IPC: C10G45/04
Filed: 1972-03-07
Abstract: 1375771 Hydrodesulphurisation catalysts UNIVERSAL OIL PRODUCTS CO 7 March 1972 10475/72 Heading B1E [Also in Division C5] A catalyst for use in a process for desulphurising heavy oils, see Division C5, is made by impregnating calcined alumina-silica spheres (88% bw.w. alumina) with nickel nitrate hexahydrate and molybdic acid (85% b.w. molybdenum trioxide). The catalyst contains 1.8% b.w. nickel and 16% b.w. molybednum. A second catalyst for use in conjunction with the first is made by impregnating 82.5 gms alumina-silica particles (12% b.w. silica) with 18.16 gms. molybdic acid dissolved in 50 cc. water and 23 cc. of 28% b.w. ammonia, and with 18.81 gms. zinc nitrate hexahydrate dissolved in 20 cc. water. After being calcined, this catalyst contains 10.4% b.w. molybdenum and 4.1% b.w. zinc.
Patent GB-710212-A (GB)
Title: Improvements in or relating to electron discharge tube apparatus for storing electrical signals
IPC: H01J31/34
Filed: 1952-04-25
Abstract: 710,212. Electron beam apparatus. COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ. April 25, 1952 [April 26, 1951], No. 10496/52. Class 39(1) An electron beam tube for storing electrical signals comprises a first target electrode on which the signals are stored, a second target electrode facing the first target electrode and arranged to be scanned by a beam of high velocity electrons so that it emits electrons of low velocity, and means for focusing the slow electrons on the first target. In the television pick-up tube shown in Fig. 1 the storage electrode Cl includes a photo-sensitive layer which may be photo-emissive or photo-conductive and charges the electrode according to an image X produced by light, X-rays, or infra-red rays. The secondary-emitting electrode C2 is scanned by a high-velocity beam from a gun K and emits slow electrons L which are accelerated by an electrode V1 and focused by a magnetic field on to the target Cl which they reach with approximately zero velocity. In another arrangement, Fig. 2, electrons from the gun K scan a fluorescent layer E and cause photo-emission from a layer P separated from the layer E by a thin transparent insulating layer I. In a modification of this arrangement, the beam from the gun K scans a metallic layer thin enough to be penetrated by the beam which causes secondary emission from the far side of the layer, these secondary electrons being focused on the storage target. Any disturbance produced by the residual part of the direct beam impinging on the target C1 may be eliminated by a fine mesh grid adjacent the metallic layer which is modulated at high frequency; alternatively the high frequency modulation may be applied to the metallic layer itself. The storage electrode C1 may be charged by the impact of electrons instead of by photo-emission or photoconduction.
Patent GB-1531410-A (GB)
Title: Coiler drum for hot metal strip
IPC: B21C47/30
Filed: 1975-03-13
Abstract: 1531410 Rollers LOEWY ROBERTSON ENG CO Ltd 26 Feb 1976 [13 March 1975] 10522/75 Heading F2U A collapsible mandrel for use in coiling strip material comprises a rotatable core 14, surrounded by a number of segments 12a, 12b, 12c, having inwardly-directed inclined faces along their longitudinal edges, and an equal number of spreader bars (22a, 22b), and 22c, which engage those inclined faces, together with means for moving each spreader bar towards or away from the core axis of rotation, thereby causing the segments to collapse radially inwards or to expand outwards, and means are provided for passing a cooling fluid through a passage 36 in each spreader bar. An actuating rod 16 may be used to convey axial motion to a number of lifter bar members (20a, 20b) and 20c, having wedge surfaces 24 engaged with complementary wedge surfaces 26 on each spreader bar, which is urged radially inwards by compression springs 28, each retained by the head of a screw 30. The actuating rod 16 may be hollow, and an annular cavity 19 between rod 16 and the bore of the core member 14 may serve as a cooling fluid duct from an entry port 17 to radial apertures 32 leading to the passage 36 in each spreader bar, with a fluid return path being provided by apertures 40 and 42, leading to the central bore of the hollow rod 16 and emerging through apertures 43 to an exit port 45. An annular barrier 34 separates the two portions of the cavity 19, and a plug 48 seals the outer end of each radial aperture 38 in each spreader bar. At the contact line between the spreader bar and the segment inclined face, a pressure-pad strip 46 composed of graphiteimpregnated iron may be provided, thereby avoiding the need for other lubrication at these faces. The provision of cooling in the spreader bars is stated to facilitate the action of disengaging the mandrel after hot metal strip has been coiled upon it, by minimizing the effects of differential thermal expansion upon the spreader bars.
Patent GB-118839-A (GB)
Title: Improvements in or relating to Internal Combustion-engines particularly for Use on Aircraft.
Inventor: BOUTEILLE JOSEPH
IPC: F02B1/00
Filed: 1918-06-26
Abstract: 118,839. Bouteille, J. June 26, 1917, [Convention date]. Regulating. -In engines for aircraft &c., the compression is maintained substantially constant at all altitudes by rejecting portions of the charges during the compression strokes. In a fourstroke-cycle engine having the usual admission and exhaust valves 6, 5, portions of the charges are rejected through a cam-actuated valve 8 to a chamber 9 having an automatic outlet valve 10 which delivers into the inlet pipe. The valve 8 opens after the crank-pin passes the point b and closes at the point d. A single chamber d may serve several cylinders.
Patent GB-107048-A (GB)
IPC: F02P15/12
Abstract: 107,048. Siemens Bros. & Co., and Ireland, H. W. F. June 10, 1916. Systems, electric.-At starting, current is supplied to the primaries of two or more high-tension magnetos by means of a single auxiliary source, such as a low-tension magneto or a coil and battery arrangement. The armature winding a of the auxiliary magneto III is connected in series with the interrupter b, a hand-operated or automatic switch c closed only when the armature a is rotating, and with the interrupters e, e<1> and primaries a<1> of the service magnetos I, II, the free ends of the windings a<1> being earthed. The. interrupter contacts f, f<1> are geared to act alternately. The interrupter b and winding a may be in parallel. When more than two service magnetos are employed, one terminal of the winding a is earthed and the service primaries are connected in parallel to the other terminal. Each service magneto is in this case provided with a distributor, the tongue of which is actuated in synchronism with the contact breaker of the corresponding magneto. If the interrupter be sufficiently retarded, the distributor acts as the timing device; if it be advanced to an extreme position, the whole starting device is inoperative.
Patent GB-1466944-A (GB)
Title: Macroreticular vinyl benzyl chloride polymers
IPC: C08J9/28
Filed: 1974-03-11
Abstract: 1466944 Cross-linked polymers of vinylbenzyl chloride and after-treatment thereof ROHM & HAAS CO 11 March 1974 [16 April 1973] 10721/74 Heading C3P A cross-linked macroreticular polymer of vinyl benzyl chloride is produced by polymerizing a monomer mixture comprising vinylbenzyl chloride and such an amount of crosslinker monomer as to provide 0À1 to 30% by weight of cross-linker units in the final polymer. The macroreticular polymer is preferably produced by carrying out the polymerization in the presence of a precipitant, e.g. isooctane or 2-ethylhexanol. Examples are given in which vinylbenzyl chloride and divinylbenzene are copolymerized in an aqueous medium containing methyl isobutyl carbinol. The resulting polymer beads are treated with trimethylamine, or sodium hydroxide and dimethylamine, and, optionally, hydrogen peroxide.
Patent GB-815993-A (GB)
Title: Improvements in or relating to sanitary garments
Inventor: GORDON VALERIE MARGARET FRANCE
IPC: A61F13/64
Filed: 1956-04-09
Abstract: 815,993. Catamenial appliances. V.G. (INVERNESS) Ltd. July 2, 1957 [April 9, 1956], No. 10737/56. Class 81 (2). A sanitary garment comprising a sheet material base 10 which narrows from its front top edge, which is attached to a belt 13, to a narrow part which when worn is between the legs and then widens to the widest part 22 at the rear of the base, the rear part then tapering to a narrower top edge which is attached to the belt 13, side straps 26, 27 being attached between the sides of the widest part 22 and the belt 13 to hold the rear part of the base taut when the garment is worn. A base 10 having a waterproof part of nylon or polyvinyl chloride and a part 11 of nylon mesh is secured to an elastic webbing belt 13. Elastic webbing straps 26, 27 are secured between front side portions of the belt 13 and a widened rear portion 22 of the base 10. Two pairs of tabs 17, 18 carrying press studs 20 are fixed to the front of the belt 13 for engaging holes in a pad. Specification 779,161 is referred to.
Patent GB-553659-A (GB)
Title: Improved sheet feeding mechanism and method of operating the same
IPC: B23Q7/00
Filed: 1942-07-31
Abstract: 553,659. Making can bodies. BLISS CO., E. W. July 31, 1942, No. 10781. Convention date, May 23, 1941. [Classes 83 (ii) and 83 (iii)] Blanks with protruding tongues that form part of a rip seam are fed transversely from a stack to the starting place on the machine feed member and the shock of delivery is taken by an abutment member having a clearance space to receive the tongue so that damage thereto is avoided. Blanks are fed from a stack 6 on to rails 17 having feed pawls that feed the blank step by step through the machine past notching, hook-forming, and trimming stations. The impact is taken by a pivoted abutment 19 cut away at b to clear the tongue. As the pawls 18, 18a feed the blank forward the abutment yields against a spring 22 to allow the tongue to pass, being then returned against a stop 25.
Patent GB-450212-A (GB)
Title: Method of and means for fastening roofing slates and tiles
IPC: E04D1/34
Filed: 1936-04-15
Abstract: 450,212. Securing roof tiles and slates. KRATOCHVIL, R., 1, Komenskeho Strasse, Prerov, Czecho Slovakia. April 15, 1936, No. 10841. [Class 20 (iv)] A method of fastening roofing slates and tiles comprises hooking a clip 4 on to the upper edge of the bottom tile, superimposing on the clip the intermediate tile or tiles and the top tile, and bending back the lower end of the clip over the lower edge of the top tile. The clip 4, Fig. 4, has a central body portion 6, an end portion 5 formed into a hook to engage the bottom tile, and an end portion 7 which is disposed at right angles to the body portion. As shown in Fig. 1 the clip 4 is disposed at I or II so as to engage the bottom tile 1 which is secured to the battens. The intermediate tiles 8, 9 are then placed on the clip, and the top tile 10 is positioned with its edge 11 disposed against the end portion 7 of the clip, and this portion 7 is then bent down on to the tile 10. The clip may also be used with rhombic tiles as shown in Fig. 2. The effective length of the clips should be at least equal to the lap 12, Fig. 1, of the tile, and to permit regulation of this length the body portion of the clip may be corrugated as shown in Fig. 7, or curved as shown in Fig. 8. The clips may be formed from wire and have flattened and widened end portions 5, 7.
Patent GB-610911-A (GB)
Title: Device for dressing the electrodes of spot-welding machines
IPC: B23K11/30
Filed: 1946-04-09
Abstract: 610,911. Portable turning - apparatus. CULLIS, A. A., and TAYLOR, H. W. April 9, 1946, No. 10853. [Classes 83 (ii) and 83 (iii)] A device for dressing the ends of the electrodes of a spot welding machine in situ has a pair of opposed concave cutting means which are in alignment with each other and face relatively outwardly, each having a central non-cutting zone. Circumferentially arranged segmental teeth 15 have a relieved cutting edge 25 lying in a radial plane and forming generating lines of a concave cone, but terminating short of their convergence point in an arcuate channel 28 so as to provide a central non-cutting zone; sharp corners are relieved by flats 29. The teeth are inter-connected by dowel pins 26 and mating holes 27 and are retained in a ring 16 by handles 19 and setscrews 17 which engage an annular locating groove (not shown) in the periphery of the teeth.
Patent GB-137721-A (GB)
Title: Improvements in or relating to microscopes
IPC: G02B21/24
Filed: 1919-05-01
Abstract: 137,721. Barton, J. H. May 1, 1919. Microscopes.-In instruments of the Ross, Jackson, or other type, means are provided for rapidly changing the body tubes. A conical or like seating a' is provided for the bottom of the tube, and a gate d<1>, on a vertical extension d of the stand if necessary, carries supporting-means and adjusting-means for centring the tube c in the optical axis. The eccentric f and the collar g allow of adjustment in two directions at rightangles, each engaging the extension e of the sleeve e<1> surrounding the tube c.
Patent GB-481549-A (GB)
Title: Cathode ray discharge devices
IPC: H01J29/48
Filed: 1937-04-16
Abstract: 481,549. Cathode-ray tubes. STANDARD TELEPHONES & CABLES, Ltd. April 16, 1937, No. 10914. Convention date, Aug. 20, 1936. [Class 39 (i)] In a cathode-ray tube the beam defining aperture is formed by a doubly-convergent projection 20 on the anode 19, which has a disc 21 on its end ; the projection may be toroidal or of other form in cross section, the aperture 23 being of the same order as to size as the opening 18 in the control electrode 16. As shown any secondaries formed by primary impact on the projection 20 are collected on that projection so that there is a field free space within the aperture. A carbon coating 22 acts as a further accelerating anode at a higher potential than the anode 14, which is at the same or higher potential than the control cylinder. Contact is made to the coating 22 by one or more turns of wire 35 which is connected to a lead 36. Deflecting plates 27, 28 are carried from the pinch by leads 33, 34 encased in glass. An auxiliary cylindrical anode at the potential of the anode 19 may be used between the deflecting plates and the end of the anode 19. The beam scans a light - sensitive target 6 which receives a focused picture of an object 13. A fluorescent screen 11 is carried by a rotatable support 9 and is used in setting up the tube to determine the potentials to be applied to the anodes for the best results, or can be used for oscillograph purposes ; when the biassing has been fixed the support 9 is rotated by magnetic means and the screen is moved out of the way of the beam. British Specification 206,081, [Class 39 (i)], and U.S.A. Specification 1,613,954 are referred to.
Patent GB-768776-A (GB)
Title: Improvements in and relating to opposed-piston internal combustion engine frames
IPC: F02F7/00
Filed: 1955-04-15
Abstract: 768,776. Frames. AKTIEBOLAGET GOTAVERKEN. April 15, 1955 [April 28, 1954], No. 10944/55. Class 7 (2). In an opposed-piston engine welded frame, inter-cylinder standards, as shown comprising tubular uprights 1, 2, are inter-connected at top and bottom by longitudinally extending trough-shaped beams 3, 4 opening away from the frame and with bases 5 of substantially the same width as the standards, the beam sides 6, 7 being aligned with cylinder mountings 9, provided centrally on the standards, and with crossed reinforcing members 12, 13 between the sides and the mountings. The beams 3, 4 have cylinder-locating openings 11 and crank-shaft bearing supports 8. The members 12, 13 are sheet-irons having ends enclasping about half the circumference of the uprights 1, 2 which are further strengthened by sheet-metal members 15 .... 18 or by a single sheet-metal member replacing these and to opposite sides of which half-members 12, 13 are welded. In a modification, the standards comprise sheet-metal webs with fins welded thereto, or grooves impressed therein, acting as reinforcing members.
Patent GB-559221-A (GB)
Title: Winding device for spools of surgical stitching instruments
IPC: A61B17/04
Filed: 1942-08-06
Abstract: 559,221. Winding bobbins. FAIRWEATHER, W. C. (Singer Manufacturing Co.). Aug. 6, 1942, No. 10981. [Class 120 (ii)] [Also in Groups VII and VI] A hand-carried device for winding a surgica suturing thread on to a spool to be carried by a surgical needle holder comprises a handle part H and a spool-carrying spindle 14 which is inserted in an axial bearing in the part H. A plate 11 carries a threadguiding eye and a tensioning plate 13. The flange 15 has a projection which enters one of the usual holes in the spool flange. The handle part H may be the needle-holder.