baber/WOPTO huggingface dataset:
Patent GB-541319-A (GB)
Title: Improvements in or relating to landing gear for aircraft
IPC: B64C25/50
Filed: 1940-10-09
Abstract: 541,319. Aircraft undercarriages. AUTOMOTIVE PRODUCTS CO., Ltd., and PARKER, S. M. Oct. 9, 1940, No. 15079. [Class 4] In a mounting for an aircraft landing member in which the latter is carried by a resilient element 11 telescopically and angularly movable within an element 10 fixed in the aircraft and wherein a friction clutch device 32 is arranged between the two elements urged into engagement by the resilient element 11, additional resilient means are provided to disengage the clutch when the loading of the resilient element falls below a predetermined limit, preferably when the resilient element is unloaded. In the form shown, the telescopic mounting is of the oleo-pneumatic type comprising a hollow plunger 11, to which is fixed the fork mounting of the landing member, sliding and rotating in a cylinder 10. The plunger is provided with an annular head 15 splined to a stem 16 which latter carries at-its upper end a sleeve 23 having a face-cam surface 22 urged into contact, by a spring 24, with a face-cam surface 21 provided on a fixed spigot 17 projecting inwardly from the 'head 18 of the cylinder, thus providing self-centering for the landing member in the loaded or unloaded condition. The fluids of the mounting are separated by a floating piston 31, the extension stroke of the strut being damped by a ring 26, having small holes 28, obturating the larger apertures 25 in the plunger head 15. The head 18 of the cylinder comprises an outer sleeve 36 fitting within the cylinder and a centrally projecting boss 37 forming a recess 38 therebetween. The clutch device is housed between an annular piston 33, splined to the stem 16 and having a sleeve 35 fitting over the boss 37, and an abutment plate 51 shouldering on the sleeve 36 of the head 18. The clutch comprises, metal annular discs 43, 46 with friction discs 49 therebetween, the disc 43 having on its outer edge projections entering axial slots 45 in the sleeve 36 integral with the head 18 and the discs 46 having on their inner edges projections entering axial slots 48 on the sleeve 35. The resilient means to disengage the clutch is housed within the recess 38 and comprises a circumferential series of springs 58, mounted in bores to the head 18, bearing through ball races 57 and 55 on to a shoulder 54 on the sleeve 35. A reduced part of the piston 33 is provided with a pair of radial stops which engage at limiting positions with projecting parts of the sleeve 36. Other types of friction clutches may be used; the mounting may be retractable. Specification 503,807 is referred to.
Patent GB-144305-A (GB)
Title: Improvements in or relating to vacuum tubes
IPC: H01J21/02
Filed: 1920-06-03
Abstract: 144,305. Guinet, L. Dec. 26, 1918, [Convention date]. Vacuum tubes. - The grid and anode of a tube for the production of oscillations are in the form of plates of flat or curved shape one on each side of a filament cathode. The plates 2, 3 may be corrugated as shown in Fig. 1, or of U-shape, or in the shape of part of a sphere or ellipsoid. In the arrangement shown in Fig. 6, the grid 3 is flat and the anode 2 curved and convex to the grid; or the anode may be concave with respect to the grid. The filament 1 may be straight, rectangular, sinuous, or helical, or several filaments may be mounted parallel with each other. Reference has been directed by the Comptroller to Specifications 1427/08 and 1694/15.
Patent GB-550821-A (GB)
Title: Improvements relating to drag devices for the flyers of core covering or lapping and like machines
IPC: D02G3/34
Filed: 1941-11-24
Abstract: 550,821. Unwinding yarn-drag device. MACKIE & SONS, Ltd., J., and MACKIE, J. P. Nov. 24, 1941, No. 15131. [Class 120 (ii)] [Also in Group XXV] In a drag device for use with a flyer delivering yarn to the head of a core covering or like machine, the spool of yarn f is pressed towards the base h of the device by a coiled spring n and is supported upon the base by the upwardly-bent arms of a spring member r into which the spool can sink as it becomes smaller and so reduce the effective tension of the spring n and consequent drag on the spool. The base h is carried by a tube g on the spindle d of the lapping guide c and carries a felt ring k or the like engaging the base of the flyer a carried by the spindle d. The spring n is disposed between the end of a tube m on the tube g and an adjustable collar o on the spindle and the tube m is connected with the base h by a pin or feather q which also engages the member r.
Patent GB-1303126-A (GB)
IPC: C10G73/06
Filed: 1970-03-31
Abstract: 1303126 Zeigler polymerization of n-tetradecene-1 ESSO RESEARCH & ENG CO 31 March 1970 [22 April 1969] 15184/70 Heading C3P [Also in Division C5] 19 g. of n-tetradecene-1 are added to a solvent-catalyst mixture of 0À11 g. cocrystallized TiCl 3 .Y 3 AlCl 3 , 75 ml. xylene and 0À41 g. triethyl aluminium at 75‹ C. After heating the mixture at 70-80‹ C. for 2 hours, 1 ml. isopropyl alcohol is added and the mixture is cooled and poured into 10 volumes of methanol to precipitate tetradecene polymer having an average molecular weight of about 5000.
Patent GB-568341-A (GB)
Title: Improvements relating to outboard propeller mechanism for barges, scows and other vessels
IPC: B63H20/12
Filed: 1943-09-17
Abstract: 568,341. Propelling and steering boats. HUGHES, R. M. (Murray & Tregurtha, Inc.). Sept. 17, 1943, No. 15246. [Class 114] Outboard propelling and steering mechanism comprises a motor 2 on a frame 4 adapted to be installed on the deck of a barge &c. and supporting by a shaft 5 a casing 19 containing a vertical shaft 11 driving a propeller shaft 12, the axis of which is to one side of the vertical axis about which the casing turns for steering, thus counterbalancing the effect of the transmission torque reaction on the casing. The shaft 11 may, e.g. be formed in sections connected by universal joints, the lowest section driving the off-set propeller shaft through bevel gearing. The shaft 5 supports the rotatable casing 19 through a housing comprising telescopic sections 20, 21, the latter being rotatable by a gear 47 about the shaft 5 as axis and having a lower extension 22 in which the casing 19 is rotatably mounted. The motor shaft 6a drives the propeller through a bevel gear engaging a bevel gear 8 rotatable on the support shaft 5 and integral with a second bevel gear 9 engaging a gear 10 on the shaft 11. The housing 19 is rotated for steering through a worm gear 29 engaging a worm on a shaft 31 driven through sprocket and chain and bevel gearing. The housing 21 is rotated to lift the propeller out of the water by a pinion 48 on a shaft 49 engaging the gear 47, the shaft 49 being driven by a worm 51 on a shaft actuated normally through reduction chain- and-sprocket gear. Locking means in addition to that provided by the worm gearing comprises a brake band applied, by a handle 88, on a drum on the shaft 49. The base of the propeller drive housing 19 contains an oil pump 68 driven by gear 69 on the propeller shaft and supplying oil to a chamber 72 at the top of the casing 19 and to the gear 8, 9.
Patent GB-614557-A (GB)
Title: Improvements in or relating to operating voltage supply arrangements for cathode ray tube apparatus
IPC: G01S1/02
Filed: 1946-05-20
Abstract: 614,557. Cathode-ray oscillographs. FORBES, I. S., and HARROD, K. W. G. May 20, 1946, No. 15259. [Class 37] [Also in Group XL (c)] The time base of a cathode-ray tube used for indicating signals from a rotating member, driven by an A.C. motor, is subjected to corrections dependent upon frequency fluctuations of the motor supply from a predetermined value. In one embodiment, a radar directionfinder 3, of the spinning radio-goniometer type, is driven by a synchronous motor 2 supplied from A.C. mains 1, the signals passing through a deflection amplifier 10 to a cathode-ray tube 11. The voltage supply to the charging circuit of the time base 6 passes through a frequency discriminator 8, whose output voltage varies with the mains frequency, and through a rectifier 9.
Patent GB-174886-A (GB)
Title: Improvements in or relating to tea-pots
IPC: A47G19/14
Filed: 1921-06-02
Abstract: 174,886. Willis, A. P. R. June 2, 1921. Spouts.-To prevent dripping, the spout of a teapot is provided with a metal cap or lip b formed with a central groove c and preferably with a sharp point. Fig. 4 shows a cap in two parts with a divided or doublepointed tip d. The cap is secured to the end of a china spout or may be made integrally with a metal spout.
Patent GB-1531875-A (GB)
Title: Pumping apparatus
IPC: F04D1/08
Filed: 1976-04-14
Abstract: 1531875 Centrifugal pumps CHANDLER EVANS Inc 14 April 1976 [17 April 1975] 15337/76 Heading F1C [Also in Division F2] Pumping apparatus e.g. for gas turbine engine fuel controls, comprises centrifugal pumps 18, 34 connected in parallel and driven by a shaft 10, the pump 34 via a clutch 60 comprising driving plates 66, 68 rotatable with a sleeve 62 splined at 64 to shaft 10, and a driven plate 72 splined at 48 to the hub of impeller 36, clutch engagement being effected by a pressure signal which is transmitted along conduit 86 to open a spring- loaded valve 82 to subject plate 66 to the discharge pressure of pump 18 via conduit 92 thereby pressing the clutch plates together and forcing plate 68 against face 40b of the impeller hub. Plate 66 is integral with sleeve 62 which also bears on splines 70 to secure plate 68, a ring clip 80 shifting plate 68 away from face 40b in the absence of the pressure signal. A force tending to balance that due to the engagement of plate 68 with face 40b is provided by a branch conduit 96 which directs the first pump discharge pressure to shroud 42 of impeller 36, and pressure imbalance between the inside and outside of the hub of the impeller 36 which may result in undesired clutch engagement is prevented by ports 40c. A spring loaded puppet check-valve 57 is located in the outlet conduit of pump 34, and opens only when the pump generates sufficient pressure. Reference is made to the use of two impellers in series.
Patent GB-1509725-A (GB)
Title: Method of inerting the atmosphere above a moving product undergoing irradiation
IPC: F27D99/00
Filed: 1975-04-15
Abstract: 1509725 Ultraviolet irradiation UNION CARBIDE CORP 15 April 1975 [16 April 1974 (2)] 15339/75 Addition to 1434996 Heading H5R To protect the surface of a moving product P travelling at up to 1000 ft./min. by means of an inert gas, e.g. N 2 , He, CO 2 , while it passes through an irradiation (e.g. U.V.) chamber 12 having entry 14 and exit 16 tunnels, the gas is fed from a plenum chamber 19 via one or more transverse slots 20 over the whole width of the product into either tunnel at angle α towards the surface, where α is 45-85 degrees if in the entry tunnel 14 or 45-75 degrees if in the exit tunnel 16, with a velocity component opposite to the product velocity and at least equal in magnitude. For N 2  the volumetric flow out of each tunnel should not exceed 650 cu. ft./hour per foot of tunnel width, for He 5000, for CO 2  360. The angle α should tend towards the maximum of its range, preferably 75 degrees, for speeds below 200 ft./min. If in the entrance tunnel the slot(s) should be at least ten times the minimum tunnel crosssection from the tunnel mouth.
Patent GB-593359-A (GB)
Title: Gas drying apparatus
IPC: B01D53/26
Filed: 1944-08-11
Abstract: <PICT:0593359/III/1> Apparatus for separating gaseous mixtures comprises two adsorber units 2, 3, the gas being passed through one unit, e.g., 3, from a main inlet 4 to an outlet 8 while the adsorbent earth &c. in the other unit 2 is being reactivated.  Each unit is provided with a coil, not shown, through which heating steam and cooling fluid is passed in succession during the reactivating stage and, simultaneously with the heating, reactivating gas is circulated continuously through the adsorbent and through a closed circuit including a cooler or condenser 15, provided with a condensate escape trap 18, by a pump or blower 11, this gas being maintained at a pressure of, for example, from 1 to 5 pounds per square inch above atmospheric pressure.  The supply of gas, to and from the unit 3, is controlled by four-way valves 5, 7, these valves also permitting reactivating gas to flow from the pump 11 and through pipes 10, 9 to the unit 2 and from thence through pipes 13, 14, condenser 15, pipe 16, and auxiliary condensate trap 17 back to said pump.  Gas to the closed reactivating circuit is supplied from the main 4 through pipes 20, 22, 23 having an intermediate valve 21 whch is set to open when the pressure in the circuit reaches the predetermined minimum of 1 pound per square inch; the pump 11 is also provided with a pressure relief valve 19 which is set to blow off at the maximum pressure required in the circuit. After reactivation of the unit 2 the valves 5, 7 are actuated to connect this unit in series with the gas inlet and outlet 4, 8 and the unit 3 with the reactivating gas circuit 10, 11.  Prior to this, however, valves 12 and 121 in the latter circuit are closed and the pressure in unit 2 is built up to that in the main 4 by opening a needle valve 25 in a shunt pipe circuit 24 across the pipes 20, 23; then, after actuating the valves 5, 7, the pressure in the unit 3 is relieved by opening an exhaust bleed-valve 131, after which the valves 12, 121 are reopened.  Both units are fitted with pressure gauges G.  The invention is applicable to apparatus comprising a single adsorber unit.
Patent GB-674902-A (GB)
Title: Improvements in or relating to multi-speed gear boxes
IPC: F16H3/08
Filed: 1949-06-09
Abstract: 674,902. Change-speed gearing. BIRMING- HAM SMALL ARMS CO.., Ltd., and LUPTON, A. G. June 2, 1950 [June 9, 1949], No. 15342/49. Class 80 (ii). A four-speed motor-cycle gear between a driving shaft 1 and a concentric driven sleeve 7 comprises three constant-mesh trains 11-13, 25-27 and. 33-35, of which gears 13, 35 are loose on a layshaft 3, gear 27 is fast on the layshaft, gear 33 is fast on shaft 1, gear 25 is loose on shaft 1, and gear 11 is integral with sleeve 7. Dog clutch members 23, 39, 41 are splined on the shafts to co-operate with dogs on the gears 13, 25, 35 and a dog clutch member 17 splined on the sleeve 7 also co-operates with, dogs on the gear 25. Clutches 17 and 41 are engaged for first speed, clutches 23 and 39 for second speed, clutches 23 and 41 for third speed, and clutches 17 and 39 for direct drive.
Patent GB-1209632-A (GB)
Title: Improvements in or relating to nuclear reactors
Inventor: GRATTON CHARLES PETER
IPC: G21C5/20
Filed: 1967-04-04
Abstract: 1,209,632. Controlling reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 19 March, 1968 [4 April, 1967], No. 15418/67. Heading G6C. In a gas-cooled, fast breeder reactor, burnup control is effected by movement of both the fissile and fertile elements. The fuel is in cermet form and it is stated that burnup is lower at high temperatures than at low temperatures. In order to maintain a high rate of power production in the fertile blanket, new fissile fuel is continually added at the high temperature end of the core while fresh fertile elements are added at the blanket low temperature end.
Patent GB-1510862-A (GB)
Title: System and method for switching the energy state of particles of one isotope type in an environment of particles of plural isotope types
IPC: H01S3/10
Filed: 1975-04-15
Abstract: 1510862 Isotope separation JERSEY NUCLEAR-AVCO ISOTOPES Inc 15 April 1975 [29 April 1974] 15439/75 Heading G6P [Also in Division H1] In a method of separating uranium isotopes. using selective excitation of one isotope by laser irradiation of uranium vapour followed by ionization of the excited isotope, the laser radiation is swept over a frequency band including an absorption line of one isotope U 235 , but not of the other U 238 . This causes adiabatic population inversion within the uranium vapour which is said to improve ionization yields. Fig. 4 shows a furnace in which an electron beam 96 impinges on a crucible of uranium 92 to generate the uranium vapour which is subjected to the above laser irradiation and ionization, ions being diverted and collected by magnetic field 100 and the electric field between plates 108, 110. Fig. 5 shows a laser system for providing the swept radiation. A CW dye laser 120 is excited by an argon laser 122 and its output is frequency modulated by an electro-optical crystal 130 to which a sine wave voltage is applied. The output of laser 120 is applied to a further laser 138 which is excited by a flash lamp 140 under the control of the same sine wave as crystal 130 so as to select a particular band-width from the output frequency range of laser 120. Fig. 7 (not shown) illustrates a similar system but the voltage applied to the modulating crystal is a quadratic function to compensate for the non-linear characteristic of the crystal.
Patent GB-102059-A (GB)
Title: Improved Process of Producing Titanium-oxygen Compounds.
IPC: C01G23/053
Filed: 1916-10-30
Abstract: 102,059. Morske Aktieselskab for Elektrokemisk Industri, Norsk Industri-Hypotekbank. Nov. 1, 1915, [Convention date]. Titanium oxides, sulphates, and salts.-Titaniferous materials, such as ilmenite, are treated with a decomposing-reagent, such as sulphuric acid or an acid sulphate, in steps, that is to say the material is first treated with less reagent than is necessary to dissolve all the titanium until the reagent is fully utilized, the material is then lixiviated, preferably on the counter-current principle with a limited quantity of water or titaniferous solution, and the residue is then treated with another portion of reagent and again lixiviated, this process being repeated as often as desired or until the material is completely exhausted. The solution is treated to precipitate titanium hydrate, for instance by indirect steam heating while making up the bulk by addition of water; the precipitate may be again treated in the same manner as the original ilmenite to obtain a purer precipitate, and the process may be repeated as often as desired. The solution obtained may be sufficiently strong to prevent most of the iron from precipitating with the titanium, so that the decomposing-reagent can be recovered without difficulty; and the solution may contain more titanium than is equivalent to the quantity of decomposing-reagent employed.
Patent GB-1007592-A (GB)
Title: Improvements relating to yielding supports for mine arches
Inventor: BABB ALAN SPENCER
IPC: E21D11/18
Filed: 1960-12-28
Abstract: 1,007,592. Yielding mine arch supports. UNITED STEEL CO. Ltd. Dec. 28, 1961 [Dec. 28, 1960], No. 15485/65. Divided out of 1,007,591. Heading E1E. A yielding mine arch support comprises a composite box-like structure consisting of two parts 7, 8 inter-connected by lugs 8, 9 and provided with guides 6 for arch-retaining strips 3, 4.
Patent GB-164236-A (GB)
Title: Improvements in or relating to coin freed vending machines
IPC: G07F11/02
Filed: 1920-06-08
Abstract: 164,236. Karck, G. S., and Varndell, S. H. June 8, 1920. Delivery of articles stored in piles; coin-slit closing-devices.-The bottom article of a pile stored in a container h is pushed off a shelf d, on which it has dropped, to a delivery shoot 4 by a sleeve p on a rocking-frame o pivoted at n and operated by a handle 2, each article being slightly taller than the sleeve. The return of the frame to its initial position before the delivery of the article is effected, is prevented, and the coin-slit; is closed, by a stop t rising through the shelf. The stop, which is depressed by the next article falling through the sleeve p on the frame when this is returned by a spring s, is carried by a lever s<1> connected by a link x<1> to a bell-crank lever w for closing the coin-slit when the machine is empty. Coin action, mechanical-connection.-The coin drops through a shoot f into a pocket q on the frame o and rests on a stop g. It is moved in its own plane into contact with a roll k<1> on an arm k carried by a spindle j to rock the spindle and so free a pawl m on the other end of the spindle from a stop r on the frame. The coin then falls into a till 3.
Patent GB-1432236-A (GB)
Title: Synchronizing signal producing system for a television device
IPC: H04N5/06
Filed: 1973-04-02
Abstract: 1432236 Television TOKYO SHIBAURA ELECTRIC CO Ltd 2 April 1973 [31 March 1972] 15632/73 Heading H4F A television receiver synchronizing generator, which does not include a vertical sycnhronizing signal oscillator and yet operates under low signal to noise ratio conditions as well as when a received vertical sync signal has a frequency which differs from a standard frequency and when the vertical sync is interrupted, includes a multistage count-down counter chain supplied with input clock-pulses having a repetitive frequency of an integral multiple of a horizontal sync pulse. The sync signal generator 15, Fig. 1, is supplied with the clock-pulses Cp and the odd and even field sync signals fv derived from a received video signal by integrator 13. Generator 15 includes three counter chains of J-K flip-flops, bi-stable memories, a comparison pulse generator, two phase comparators, and a complex gating-switching arrangement and is described in detail with reference to Fig. 2 (not shown).
Patent GB-1472509-A (GB)
Title: Connector
IPC: H01R13/622
Filed: 1975-04-16
Abstract: 1472509 Two-part couplings CO-OPERATIVE INDUSTRIES Inc 16 April 1975 [28 May 1974] 15684/75 Heading H2E A connector 10 comprises a threaded coupling member 24 rotatable about a body 16 and retained by abutment of flanges 22 and 24 and by a retaining collar 32 which contains detent means, e.g. ball(s) 42 urged towards an undulating annular surface 44 of the coupling member to restrain the coupling member with a constant force against rotation. The collar is in turn retained by a circlip 36 in a groove 34 and is prevented from rotating relative to the body by a ball 54 held in a shallow bore 52 in the body and in a semi-cylindrical slot 50 in the collar.
Patent GB-168180-A (GB)
Title: Apparatus for obtaining alcohol from baking bread
IPC: B01D3/00
Filed: 1920-06-10
Abstract: 168,180. Krizek, J. June 10, 1920. Volatile liquids, recovering.-The fumes from baking bread are led by a flue from the oven to a condenser, and alcohol is obtained from the condensed liquid by distillation. In the apparatus shown, the oven 10 is connected by a flue 18 to a condenser consisting of a water-jacketed drum 20 with an internal drum 23 down which the fumes not condensed in the drum 20 passes to a watercooled worm 25. A draught is created and waste fumes are carried off by a pipe 28 connected to the oven flue 16.
Patent GB-1282655-A (GB)
Title: Key for the keyboards of electric-input office machines
Inventor: GASSINO TERESIO
IPC: G06F3/02
Filed: 1970-04-02
Abstract: 1282655 Momentary contact switches INC C OLIVETTI & CO SpA 2 April 1970 [4 April 1969] 15762/70 Heading H1N [Also in Division B6] A key for the keyboard of an electric-input office machine comprises a construction wherein an operation of the key results in a snap impulse generating electric-contact being made, and which, unless an additional depression of the key is made, the electrical contact is of only instantaneous duration. The key-cap 21 has two semi-cylindrical projections 22 for removable engagement with two V-shaped notches 23 formed in a plastic keyshank 24. Against the lower end of the shank, a plate 36 of insulating material with two hemispherical protuberances 33, 34 is held by a spring 41. Upon depression of the key, a hook 46 formed at the end of the plate 36 engages a shoulder 38 which causes the plate to pivot counterclockwise about hemisphere 34. Continued depression causes the hook 37 to slip off the shoulder 38 and snap contact is made between contacts 49 on the plate 36 and printed circuit contacts 18 on a base 16. Actual contact is made by momentum as the plate springs back into the position where the plate 36 rests against the depressed shank 24 where the contacts are not made. If a continuous contact is necessary an additional depression of the cap 21 is made to force a resilient nose 53 beyond the normal stop surface 54.