baber/WOPTO huggingface dataset:
Patent GB-1039941-A (GB)
Title: Fuel element for a nuclear reactor
IPC: G21C3/04
Filed: 1965-02-08
Abstract: 1,039,941. Fuel elements. UNITED STATES ATOMIC ENERGY COMMISSION. Feb. 8, 1965 [March 9, 1964], No. 5335/65. Heading G6C. A fuel element for a liquid-metal-cooled nuclear reactor comprises a stack of thin wafers of fissile material having a thickness no greater than two mils, being thin enough to permit diffusion of fission gases to free surfaces in the element, a metal jacket having a hole in the top for the escape of fission gases surrounding the stack of wafers, and a liquid metal thermal bonding agent, e.g. sodium, between the wafers and the jacket. The wafers are preferably one mil. thick and in one particular example are composed of U238-20 weight per cent U235, while the casing is composed of vanadium- 20 weight per cent titanium alloy. By constructing a fuel element incorporating metallic uranium from thin wafers, the amount of swelling of the element when operated at high temperatures, such as in a liquid-metal-cooled reactor, due to the formation of gaseous fission products in the fuel material is considerably reduced as compared with a solid element. The invention is expected to have particular application to fuel elements enriched with Pu 239 because the " breakaway swelling temperature" (the temperature at which swelling becomes excessive) is lower for U-Pu fuels than it is for U fuels, and it is the U-Pu fuels which are of primary interest in the fast reactor field. The wafers may each have a central aperture so as to provide a passage through the element which acts as an escape route for fission gas migrating to the centre of the element but while such a passage assists slightly in preventing swelling, its presence is not essential.
Patent GB-1294524-A (GB)
Title: Groove insert rings for cable pulleys
Inventor: OXE WALTER
IPC: F16H55/50
Filed: 1970-02-04
Abstract: 1294524 Pulleys W OXE 4 Feb 1970 5337/70 Heading F2Q  A cable pulley has a wear-resisting peripheral insert of elastomeric material, e.g. polyurethane, in the form of a ring 3 with spaced apart radial, axially directed slots 5, Fig. 1, or a series of blocks 8 separated by narrow spaces 9, Fig. 3. The slots 5 or spaces 9 improve dissipation of the heat generated in the elastomeric material by repeated deformation. In Fig. 1, the ring 3 is supported by a metal ring 1 and axially located by end plates 4. In Fig. 3, the blocks 8 are held in axial slots in a pulley body or ring 6. Fig. 4 is the axial cross-section of a block or ring comprising a centre layer 10 of harder material than adjacent layers 11.
Patent GB-503447-A (GB)
Title: Improvements relating to spring closing devices and check mechanism for doors
IPC: E05F3/10
Filed: 1938-02-21
Abstract: 503,447. Hydraulic shock absorbers. NEWMAN & SONS, Ltd., W., and ROLLASON, S. A. Feb. 21, 1938, No. 5339. [Class 108 (iii)] [Also in Group XXV] A door-operating mechanism comprises a fluid check having a cylinder 15 movable by a cam 6a over a fixed piston 16 provided with, a valve 21 through which the fluid passes during the opening of the door, and which closes during the closing of the door, the fluid then passing through a restricted passage 22 in the piston. A relief valve 24 may be arranged in the piston.
Patent GB-100313-A (GB)
Title: Improvements in and relating to Snap Fasteners.
IPC: A44B17/00
Filed: 1916-04-12
Abstract: 100,313. Snyder Snap Button & Fastener Co., (Assignees of Snyder, G. C.). April 21, 1915, [Convention date]. Press-button fasteners.-Relates to the stud member of snap-fasteners for use with sockets having small stud-receiving space, the socket comprising a disk E having inturned spring fingers G and attached to the fabric F by a thimble B, which is expanded over a flanged tubular shank D. The stud consists of a hollow tubular thimble 3 having a base flange 4, the thimble being passed through the material and receiving a sleeve 1 provided with a base flange 2. The head of the thimble is then upset, as shown, to lock the sleeve and thimble together, the head 5 being slightly concaved, so that when the plunger of the assembling-mechanism descends, the wall of the thimble above the sleeve is folded to form the flat bead-like projection 6. The straight wall of the sleeve supports the stud against pressure during laundering as well as during the assembling operation.
Patent GB-371523-A (GB)
Title: Improvements in or relating to regulating the level of liquids in containers, particularly the water level in steam boilers
IPC: F22D5/10
Filed: 1931-02-20
Abstract: 371,523. Float - controlled valves. ASKANIA-WERKE AKT.-GES. VORM. CENTRALWERKSTATT DESSAU UND C. BAMBERG-FRIEDENAU, 87, Kaiserallee, Friedenau, Berlin. Feb. 20, 1931, No. 5466. Convention date, Feb. 20, 1930. [Class 135.] In a boiler feed regulator comprising a float 4 or like means operating the feed valve 3 to maintain different water levels at different loads, the valve is further controlled with delay action by means tending to compensate non- uniform regulation of short duration effected by the float 4. A lever 8 operating the feed valve by the movement of the float 4 is pivoted to a rod 10 connected to the lever 11 of a second float 13, the movement of which with change of water level is retarded by a brake 14 connected to the rod 10. A rise 'or fall in the water level due to a sudden increase or diminished steam demand results in the closing or opening of the feed valve by the float 4. If the change in steam demand is over a long period, the float 13 overcomes the resistance of the brake piston and moves to so operate the feed valve as to bring the water level back to the normal. The float lever 18, Fig. 2, is connected to the piston of a brake 20 through a spring 19 which overcomes the resistance of the brake after a certain period and permits ultimately of a uniform regulation of the water level by the float. In a further modification the float controls the feed valve through a servomotor, the operation of which is so constrained by a dashpot as to diminish the effects of non-uniform control of the valve due to sudden changes of load.
Patent GB-234029-A (GB)
Title: Improvements relating to valves
IPC: F16K1/42
Filed: 1925-02-27
Abstract: 234,029. Hopkinson, R. A., and Hopkinson & Co., Ltd., J. Feb. 27, 1925. Seats.-In valves having seats, such as d, which are secured in position by a cage c, the annulus a of the cage between the vertical bars is formed with arched or raised portions e which provide for maintaining a uniform pressure of the cage upon the valve seat under variations of temperature.
Patent GB-213088-A (GB)
Title: Improvements in the manufacture of acetate of alumina by electrolysis
IPC: C25B3/00
Filed: 1923-02-26
Abstract: 213,088. Cruse, H. Feb. 26, 1923. Aluminium acetate is obtained by anodic solution of aluminium in an electrolyte of acetic acid, which may be crude or pure accordingly to the purity of salt desired. The reaction is carried on until the whole of the acid is neutralized, which is signalized by a diminution in the current. The cell may be of wood or of aluminium: in the latter case it forms the cathode. The cell may be water-jacketed for the purpose of heating or cooling.
Patent GB-801258-A (GB)
Title: Core box vibrator
IPC: B22D29/02
Filed: 1956-02-23
Abstract: 801,258. Vibratory mechanism. CHICAGO PNEUMATIC TOOL CO. Feb. 23, 1956 [May 9, 1955], No. 5619/56. Class 80 (4). [Also in Groups XXII and XXX] A vibrator particularly for loosening a core box 31, Fig. 2, from a mould comprises a pneumatic eccentric-rotor vibrator unit 12, pneumatic clamping jaws 19, 29, whereby the vibrator is clamped to a rib on the top of the core box, and a three-position hand-operated valve 52 controlling both the unit 12 and the clamp 19-29. The jaw 29 is carried by the hollow piston-rod of a spring-loaded piston 22 slidable in a cylinder 18 integral with the jaw 19 and with a bracket carrying the vibrator unit 12. The valve 52, Fig. 3, has a flat portion coacting with a spring-loaded valve 41 seating on a rubber ring on a bushing so that as the valve 52 is rotated from the " off " position shown to the " clamp on " position, Fig. 5, the valve 41 is opened to admit air from an inlet 34 through holes in the bushing to a recess from which extends a passage 47. The passage 47 is connected by a hose 49, Fig. 2, to a port 51 in the cylinder 18 so that the piston 22 and jaw 29 are moved to clamp the vibrator to the core box. When the valve 52 is turned to its third position, Fig. 6 (not shown), the clamping pressure is maintained, and additionally a passage 59, Fig. 5, connects passage 47 with a passage 60 leading through a hose 62, Fig. 3, and pressure regulator 63 to the vibrator unit 12, which is thus rendered operative. The valve 52 is held in its operative positions by a spring-loaded ball 66 engaging detents therein, and its angular movement is limited by two lugs 58, Fig. 2, coacting with a lug on the valve. In the " off " position the passage 59, Fig. 5, registers with a vent 67, to vent the cylinder 18. With the valve in the " clamp on " position (Fig. 5) the core box may be removed by a hoist cable on hooks 68.
Patent GB-771073-A (GB)
Title: Process for carbonising and degassing coal in suspension in a gaseous medium
IPC: C10B49/00
Filed: 1953-02-27
Abstract: 771,073. Coking. STEINKOHLEN-ELEKTRIZITAT AKT.-GES. and LUCKOW, H. Feb. 27, 1953 [March 8, 1952], No. 5637/53. Drawings to Specification. Class 55 (1). To prevent the formation of deposits during the carbonization of finely divided coal in suspension in gases the rate at which the particles are heated within the critical temperature range for the formation of deposits, especially 350-500‹ C., is controlled so that the quantity of tar disengaged from unit quantity of coal in unit time does not exceed the amount at the beginning of the range. This may be effected by externally heating the retort differentially along its length or, when the particles are heated by degassing gases by locally introducing gases at different temperature. Or the length of the path of flight of the particles over a particular temperature range may be increased, or the cross-section of the retort may be varied to alter the residence time in the range.
Patent GB-566415-A (GB)
Title: New synthetic oestrogenic agents
Filed: 1943-04-09
Abstract: Triphenylethylenes of the formula <FORM:0566415/IV/1> wherein X is a chlorine or bromine atom and R is hydrogen, methoxy or ethoxy, are produced by the interaction of the correspondingly substituted triphenylethylene of the formula <FORM:0566415/IV/2> or of the correspondingly substituted triphenylethanol of the formula <FORM:0566415/IV/3> with an approximately equi-molecular proportion of bromine or chlorine, in solution in an inert organic solvent.  In examples: (i) a -p-anisyl - a  - p - phenetyl - b  - phenylethanol and (ii) a  - b  - di - p - anisyl - a  - p - phenetyl - ethanol were dissolved in glacial acetic acid and a glacial acetic acid solution of bromine was added thereto, thereby precipitating a -p-anisyl-a -p-phenetyl-b -phenyl-bromoethylene, and a -b -di-p-anisyl-a -p-phenetyl-bromoethylene, respectively; (iii) a -p-anisyl-a -p-phenetyl-b -phenylethylene is treated as in examples (i) and (ii) to give a -p-anisyl-a -p-phenetyl-b -phenyl-bromoethylene; (iv) as in example (i) using chlorine instead of bromine to give the corresponding chloro-product, viz. a -p-anisyl-a -p-phenetyl-b -phenyl-chloroethylene.  a  - p - Anisyl - a  - p - phenetyl - b  - phenyl - ethanol is made by a Grignard reaction between p-anisyl magnesium bromide and p-ethoxy-disoxybenzoin or between benzyl magnesium chloride and p - methoxy - p1 - ethoxy benzophenone.  a  - b  - di - p - Anisyl - a  - p - phenetyl - ethanol is made by a Grignard reaction between desoxyanisoin and p - phenetyl magnesium bromide.  a  - p - Anisyl - a  - p - phenetyl - b  - phenyl - ethanol is made by dehydrating the correspondingly substituted triphenylethanol with a dehydrating agent such as sulphuric acid.
Patent GB-379285-A (GB)
Title: Improvements in or relating to textile yarns and fabrics
Filed: 1931-05-15
Abstract: In the production of highly twisted crape threads, e.g. of cellulose esters or ethers, the yarns after the application of a part of the high twist, are treated with a solution containing anions having a high coagulating or precipitating action on colloidal solutions, as measured by the Hofmeister method.  As suitable anions are mentioned the ferrocyanide, thiosulphate, ferricyanide, citrate, lactate, tartrate, dihydroxy tartrate, sulphate, oxalate, and phosphate ions, and also those of organic di- or poly-basic acids or hydroxy mono-, di-, or poly-carboxylic acids, such as mucic and saccharic acids. The Provisional Specification refers also to the anions of higher fatty acids, e.g. oleic, stearic, palmitic, ricinoleic, and lauric acids.  The cation may be hydrogen or an alkali metal.  The solution containing the effective anion is applied to the yarn twisted to, for example, 15-30 turns per inch, which is then twisted to the final degree required, e.g. 45-70 turns per inch.  It has been found advantageous to apply in the first place a degree of twist of the order of that necessary to cause a close packing of the filaments of the yarn, and then to apply the acid or salt treatment, and thereafter to impart in a single stage the final degree of twist desired.  The solution may contain wetting agents; also wetting agents, hygroscopic or deliquescent substances may be incorporated in the yarn prior to twisting.  For example, cellulose acetate spinning solutions from which the filaments are spun may contain hygroscopic substances, for instance magnesium chloride, potassium acetate, or calcium chloride or nitrate.  When sizing of the threads is carried out, it is recommended to use sizes which may be caused to swell without becoming soft or yielding by suitable treatment, e.g. by a subsequent scouring treatment, and the size is preferably applied prior to the application of a substantial degree of twist, conveniently simultaneously with the solution of the acid or salt thereof. The highly twisted crape threads may be incorporated in the fabrics in any suitable manner, e.g. there may be employed threads of low twist in the warp and crape threads of both right- and left-hand twist in the weft, pairs of threads of left-hand twist alternating with pairs of threads of right-hand twist.  There may be also employed crape threads consisting of yarn of high twist doubled with yarn of low twist, or consisting of two yarns of high but opposite twist.  Where the fabrics comprise yarns of low twist, these may be of similar material to the yarns of high twist, or may be composed of cotton or a regenerated cellulose type of artificial silk. Specifications 304,806, [Class 120 (ii), Spinning, twisting &c.], 332,903, [Class 120 (iii), Yarns &c.], 348,589, 352,451, 357,169 and 357,576, 357,577, 358,585, [all in Group IX], 362,523, 365,040, 365,041, and 375,355, [Group IX], are referred to.
Patent GB-759294-A (GB)
Title: Improvements relating to cutting worm gears particularly for vehicle steering gear
Inventor: JOHNSTON ROBERT HENRY
IPC: B23F11/00
Filed: 1954-02-26
Abstract: 759,294. Copy-milling. BISHOP TRANSMISSION CO., Ltd. Feb. 28, 1955 [Feb. 26, 1954], No. 5796/54. Class 83 (3). A machine for cutting a worm-gear 4 for a vehicle steering-gear &c. comprises a rotary cutter 1 mounted eccentrically in a drum 2 which is rotated about an axis normal to the worm axis under the control of a nut 11 and lead-screw 10, the worm and lead-screw being rotated at substantially constant angular velocities. According to the invention, the nut is turned by compensating-means 13 to control the pitch of the thread cut on the worm. The nut 11, as it travels along the rotating leadscrew 10, rotates the drum 2 through levers 17, 8, 7. The movement of the nut is varied by the cam 13 so that a true helix may be cut on the worm. The depth-of-cut may be varied by biasing the drum-shaft 3 axially so that followers thereon engage fixed face-cams. Specifications 223,655, [Class 83 (iii)], and 223,963, [Class 80 (iii)], are referred to.
Patent GB-772793-A (GB)
Title: Improved oven structure
IPC: F24C15/02
Filed: 1955-02-28
Abstract: 772,793. Door-operating apparatus; stays. GENERAL MOTORS CORPORATION. Feb. 28, 1955 [March 16, 1954; Oct. 20, 1954], No. 5856/55. Class 65 (1). [Also in Group XI] Oven doors 43, 44, pivoted to brackets at the sides of the oven, are connected to a pin 56 carrying a roller running in a channel 54 by links 57, 58. The channel 54 is mounted on the outer top-plate of the oven, and the links 57, 58 project through slots in the front plate of the oven and are pivoted to the tops of the doors so that the doors swing simultaneously open or shut. Jaws 63, 64, spring-biased towards each other, carry rollers engaging notches in the ends of the links 57, 58 to hold the closed doors firmly against a gasket surrounding the door opening. In another embodiment, Figs. 7-10, not shown, a shield to protect wall surfaces from fumes from the cooker is projected above the doors as they are opened.
Patent GB-121688-A (GB)
Title: Vacuum Cleaner.
Inventor: DEHN FRANK BERNHARD
IPC: A47L9/04
Filed: 1918-04-05
Abstract: 121,688. Dehn, r. B., (Bissell Carpet Sweeper Co.). April 5, 1918. Vacuum cleaning-apparatus.-In a vacuum cleaner of the kind having a dustloosening rotary brush mounted in the suction nozzle, and driven by gearing mounted in a running wheel, the brush is secured to an end or stub shaft driven from a running wheel loose on the shaft through transmission gearing comprising an external gear wheel on the shaft, a number of pinions, and an internal gear wheel in the running wheel; the end shafts of the brush are mounted in bearings in adjustable eccentrics. The suction nozzle 1, Fig. II., communicates by a passage 5 with a chamber 2 containing a fan 3 driven by a motor (not shown) on the wall 4 and having a discharge passage 6 leading to a dustcollector, a handle nail 11 being connected to the sides of the chamber 2. The nozzle is supported above the surface to be cleaned by a rear castor on a bracket 10 and by wheels 8, 9, Figs. IV. and VIII., loosely mounted on the end shafts 16, 27 of the brush 12. The shafts 16, 27 are supported in bearings in eccentrics 13, 14 loosely mounted in the end walls of the nozzle 1 and secured by screws to the ends of a bail handle 15, which extends across the top of the nozzle and is held in its adjusted position by engagement with a notched plate 28 of varying radius. The brush 12 and wheel 9 are loose on the shaft 27, and the brush is secured by a pin 20 to the enlarged part 19 of the shaft 16 on which the running wheel 8 is loosely mounted. The wheel is made in two parts 17, 18 riveted together and has its outer face closed by a cover 21 secured by a pin 26, Fig. V., to the eccentric 13. An internal toothed wheel 24 on the part 18 gears with pinions 23 on studs 22 set in the cover 21, and these pinions gear with a toothed wheel 25 keyed to the shaft 16, which is thereby driven to rotate the brush as the wheel 8 is rotated bv contact with the surface cleaned. The peripheries of the wheels 8, 9 have friction treads.
Patent GB-533423-A (GB)
Title: Improvements in the production of cellulose
IPC: D21C3/02
Filed: 1939-07-12
Abstract: 533,423. Refining cellulosic materials. MARSONI, S. July 12, 1939, No. 5910/38. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 12, 1938.] [Class 2 (ii)] The straw of rye, wheat, barley, rice and other similar annual plants is washed in a screw conveyer with caustic soda solution varying in strength from 3-4 degrees BÚ as the proportion of vegetable matter to caustic soda solution varies between 1:4 and 1:3. The soaked straw is then allowed to stand for 6-12 days at atmospheric temperature, external heat being applied if the temperature falls below 10‹C. The maceration period is stopped before ferinentation takes place, and the product is washed, mechanically disintegrated and freed from excess liquid. A half stuff is obtained in which the fibres preserve almost entirely their original length in the straw, and which may be used in the production of packing paper. The half stuff may, however, be bleached with calcium hypochlorite to produce a cellulose suitable for use in the production of better grade paper.
Patent GB-834462-A (GB)
Title: Improvements in indicating instruments
Inventor: MCWILLIAM GORDON LORIMER
IPC: G01D5/04
Filed: 1957-02-21
Abstract: 834,462. Indicating-apparatus. SMITH & SONS (ENGLAND) Ltd., S. Feb. 21, 1958 [Feb. 21, 1957], No. 5954/57. Class 106 (4). An indicating-instrument with its movement 1 for moving a pointer 2 over a scale 11 in accordance with a variable is mounted in a housing 8 so as to be rotatably adjustable about the axis of the pointer 2 and an associated set-pointer 47 is independently adjustable about the same axis. The movement is mounted on a disc 4 integral with a disc 5 and cylindrical casing 10 which carries the scale 11. The disc 5 slides in an annular groove in a wall 7 of the housing 8 and the disc 4 carries a gearwheel 9 meshing with a gear-wheel 13 on a shaft 12 with a slot at the front for making the rotatable adjustment of the instrument. The set pointer 47 is carried by an arm 45 secured to a ring 16 integral with a further cylindrical casing 15 rotatable about the inner one 10. The pointer 47 can be set centrally on to a predetermined position either side by adjusting a knob 39 to one of three positions determined by a detent plate 40 co-operating with a ball 42. A crank-arm 43 turned by the knob 39 carries a pin 44 which is embraced by plates 32, 33, carried by rings 29, 30 rotatable on the casing 15 and interconnected by a spring 35 which causes the plates 32, 33 to follow the pin 44 and also to take along with them a pin 37 on the ring 16 at least to the limits determined by the radial end faces 20, 21 of a recess in the periphery of the ring 16. These faces 20, 21 co-operate with pins 22, 24 carried by annular gear-wheels 17, 18 which can be set in predetermined positions through gear-wheels 27, 28 on slotted shafts 26, 25. In a moving coil instrument used for measuring jet pipe temperatures on a turbine engined aircraft, where there are three critical temperatures to watch, namely the highest permitted in crusing, climbing and take-off, the knob 39 is set to intermediate position bringing the pointer 47 vertical and the shaft 12 is adjusted to turn the movement 1 and scale 11 to bring the scale division representing the highest temperature permitted, during climbing into register with the pointer 47, the other positions being set through the shafts 26, 25 when the knob 39 is set to its off-centre positions.
Patent GB-397556-A (GB)
Title: Improvements relating to reflectors
IPC: F21V29/505
Filed: 1932-02-27
Abstract: 397,556. Reflectors. LUCAS, Ltd., J. and LUCAS, 0., Great King Street, Birmingham. Feb. 27, 1932, No. 5957. [Class 75 (ii).] A reflector for use in vehicle headlamps and for other purposes comprises a portion a of paraboloidal or like normal form, and has ventilating slits b formed in it at appropriate positions, the portions c between the slits being adapted to form louvre-like parts for modifying the direction of some of the reflected light. The slits are parallel and may be on each side of the main axis.