baber/WOPTO huggingface dataset:
Patent GB-212622-A (GB)
Title: Improvements in or relating to trolley poles and the like
IPC: B60L5/14
Filed: 1922-12-11
Abstract: 212,622. Robbins, P., Williamson, J., and Brander, G. Dec. 11, 1922. Releasing-devices for collectors, of the type comprising a catch k', Fig. 5, released to free the spring abutment n, are so arranged that the abutment, when released, bears against a stationary cam j<1> so that, when the pole is swung at rightangles to the car, the spring is again compressed and the catch re-engaged. A central catch may be mounted on top of the block c, or two side catches k' may be used and engaged by two arms m<1> carrying contact screws m<2>. The abutment n carries rollers o engaging the cam j<1>. The catch may also be released by a rod 19, Fig. 4, connected to a curved lever 18 whenever the lever is pressed against any obstruction.
Patent GB-432516-A (GB)
Title: Improvements in or relating to chairs for rail joints
IPC: E01B11/12
Filed: 1934-11-26
Abstract: 432,516. Joints for railway rails. BONNETT, E., and BOSTEM. G., Nimy, near Mons, Belgium. Nov. 26, 1934, No. 33945. [Class 104 (ii)] A rail joint comprises a pair of jaws 4, 8 engaging the upper side of the rail flanges and having interengaging portions 6, 9 extending below the rails and forming a stirrup which is tightened by a wedge 12 driven through holes in the jaws so as to lie between the rail bases and the top of the plate 9. The opening in the jaw 4 is T-shaped, and the plate 9 has a nick 10 engaging the narrow portion of it. The joint is secured by fishplates 1, 2.
Patent GB-1242056-A (GB)
Title: Derivatives of 4-hydroxy-tetrafluoropyridine and the use thereof as plant growth inhibitors
Inventor: GEORGE EDWIN FRANCIS
IPC: C07D213/68
Filed: 1967-07-24
Abstract: 1,242,056. Plant growth regulants. IMPERIAL CHEMICAL INDUSTRIES Ltd. 4 July, 1968 [24 July, 1967], No. 33974/67. Heading C1B. A composition for stunting the growth of monocotyledonous plants comprises as an active ingredient either 4 - hydroxy - tetrafluoropyridine alone or a salt, ether or ester of 4 - hydroxytetra - fluoro - pyridine together with a solid diluent or a liquid-diluent comprising a surface-active agent.
Patent GB-931283-A (GB)
Title: Improvements in or relating to vehicle steering mechanisms
IPC: B62D7/00
Filed: 1959-10-07
Abstract: 931,283. Steering vehicles. LANSING BAGNALL Ltd., and C. GOODACRE. Sept. 30, 1960 [Oct. 7, 1959], No. 34025/59. Class 79(5). A steering mechanism for turning separately pivoted wheels through different angles to compensate for the different turning radii comprises a pair of track rods 21, 22, connected to the vehicle steering arms, 19 and 20, and pivoted to an intermediate link 23, which itself is pivoted to a swinging arm so that the link is guided to move in a transverse direction, means being provided to cant the link so as to obtain the differential movements of the track rods. The swinging arm may be a bell crank lever 25, 27, connected to a steering rod 29 and pivoted to the vehicle at 26. The canting means may comprise a sector 30 attached to the vehicle and provided with teeth which are engaged by corresponding teeth on the link 23 so that the latter rolls around the surface of the sector 30 to produce the canting movement during steering. In a modification, Fig. 2, the intermediate link 23 has a slot 41 in which a pin 40, pivoted to the vehicle frame, is constrained for relative movement. In a further modification, Fig. 3, an industrial lift truck is provided with steerable wheels 49 and 51, the wheel 49 being driven by a motor 56 steered by rotation of a pinion 57 engaging a rack on the wheel mounting. The wheel mountings 52 and 53 are connected by track rods 59 and 61 and an intermediate link 64 pivoted at 65 to a lever 66 pivoted to the vehicle frame at 67. A pin 69 is pivoted to the vehicle frame and operates within a slot 68 in the intermediate link to provide the canting action during a steering movement. The turret mountings 47 and 48 for the wheels are carried by a casing 46 mounted for rocking movement upon a shaft 41 carried in bearings 42 and 43 upon the vehicle frame.
Patent GB-501088-A (GB)
Title: Improvements in fuel injection control arrangements for internal combustion engines
IPC: F02D1/00
Filed: 1937-12-09
Abstract: 501,088. Speed governors. ARMSTRONG, J. J. V. (Bosch Ges., R.) Dec. 9, 1937, No. 34054. [Class 57] [Also in Group XXXV] The control rack 9 of a fuel-injection pump is actuated by a diaphragm 17 loaded by a spring 22 and subjected to the pressure of the induction pipe 21 between a. throttle valve 24 and the engine. The maximum normral delivery is determined by a stop 23. A collar on the rack 9 is pressed into engagement with the diaphragm by a spring 14 and the rack is connected by a flexible member 30 to a rod 34 for actuating the switch 35 of the starting motor so that an excess quantity of fuel may be delivered at starting. In a modification, the diaphragm and rack are connected by a claw that may be released at starting. Fig. 2 shows a further modification wherein a member 48 has a slot 50 in which is located a pin 51 on the rack 44, engaged by a spring 52. The stop is formed by a lever 54 having an adjusting pin 54a and loaded by a spring 55 which opposes the spring 53 in the full load range of movement of the rack 44. The excess delivery is obtained by operating rod 34a and the fuel delivery is reduced to zero by operating rod 68.
Patent GB-799532-A (GB)
Title: Improved transmission system for endless-track vehicles
IPC: B62D11/10
Filed: 1955-11-28
Abstract: 799,532. Differential gearing. PETROVITCH, M. Nov. 28, 1955 [Nov. 26, 1954; April 15, 1955], No. 34058/55. Class 80 (2). In a transmission for an endless track vehicle, the engine drives through a clutch and a differential gear to the first gears of a pair of epicyclic trains, the second gears of the epicyclic trains are interconnected for rotation together, and the carriers of the planets meshing with the first and second gears are connected to the vehicle driving wheels, braking means can be applied to the first gears to cause the vehicle to turn about a vertical axis. An engine 1 drives gears 2, 3 through clutches 4, 5, the gears 2, 3 respectively driving the input shafts 7, 30 of a change speed gear 8 and a differential 26. The output shafts 25l, 25r of the differential carry sun gears 16l, 16r of epicyclic trains 13l, 13r, the annuli of which 19l, 19r are connected by gears 15l, 15r on a shaft 12 driven through gears 14, 10 from the output of the change speed gear 8. The planet carriers 18l, 18r of the epicyclic trains are connected by gears 211, 21r 221, 22r to the vehicle driving wheels 24l, 24r. The sun gears 16l, 16r are connected to brakes 33l, 33r. For forward or reverse running in a straight line, both clutches 4 and 5 are engaged; for turning in a curve clutches 4 and 5 are engaged and one brake 33l or 33r is applied; for turning about the axis of the vehicle clutch 5 only is engaged together with one brake 33l or 33r which results in the torque being divided between the wheels 24l, 24r in opposite senses. In other embodiments the change speed gear 8 is of the sliding gear or constant mesh type, and the engine is mounted longitudinally of the vehicle.
Patent GB-1041270-A (GB)
Title: Alternate action electric switch mechanisms
IPC: H01H13/02
Filed: 1963-08-28
Abstract: 1,041,270. Switches held set and freed mechanically. ILLINOIS TOOL WORKS Inc. Aug. 28, 1963 [Aug. 28, 1962], No. 34066/63. Heading H2B. A pair of snap-action switches 34 are moved " on " and "off" by successive depressions of a button 218 acting on a lever 58 pivoted at 204 to a stationary member 52 having an internal cam surface 100 co-operating with a three-pointed star 60 pivotally carried by the lever 58. Depression of the lever from the Fig. 11 position causes the start to rotate through 60 degrees anti-clockwise to a position where it prevents full return movement of the lever under the bias of springs within switches 34 which are thus held in operated condition. The next operation of lever 58 causes the star to rotate through a further 60 degrees anticlockwise into a position similar to that of Fig. 11 so that the lever can return fully and allow the switch to change over. The lever may act directly on the switch buttons 42 or through means which allow overtravel.
Patent GB-809046-A (GB)
Title: Improvements in or relating to steroids and the manufacture thereof
IPC: C07J75/00
Filed: 1956-11-09
Abstract: The invention comprises a 2-alkyl-11-oxygen-substituted progesterone represented by the formula: <PICT:0809046/IV (b)/1> in which R is an a -hydroxy, b -hydroxy or a keto group and the lower alkyl radical contains from 1-8 carbon atoms, inclusive, and a process comprising condensing an 11,20-dihydroxy-4-pregnen-3-one with a lower alkyl formate or a di-lower alkyl oxalate or a lower-alkyl trifluoroacetate in the presence of an alkali-metal condensing agent, to produce the alkali-metal enolate of a 2-carbonyl-11,20-dihydroxy-4-pregnen-3-one, alkylating the thus produced alkali metal enolate of 2-carbonyl-11,20-dihydroxy-4-pregnen-3-one with a lower alkyl halide wherein the halogen is chlorine, bromine or iodine, to produce a 2-alkyl-2-carbonyl-11,20-dihydroxy-4-pregnen-3-one, removing the 2-carbonyl group by reaction with an alkanol and an alkali-metal alkoxide to produce 2-alkyl-11,20 - dihydroxy - 4 - pregnen - 3 - one, oxidizing the 20-hydroxy group of the resulting 2 - alkyl - 11,20 - dihydroxy - 4 - pregnen - 3 - one to produce a 2-alkyl-11b -hydroxyprogesterone or, if desired, completely oxidizing to produce a 2-alkyl-11-keto-progesterone. The 11,20 - dihydroxy - 4 - pregnen - 3 - one is produced by reacting an 11-oxygenated progesterone with a secondary amine, reducing the resulting enamine with a reducing agent capable of reducing keto groups without affecting double bonds, e.g. lithium aluminium hydride, sodium aluminium hydride and diborane, to produce the 3 - enamine of 11b ,20 - dihydroxy - 4 - pregnen-3-one and then hydrolysing the latter compound.  As secondary amine there may be used pyrrolidine, C-alkylpyrrolidines, piperidine or C-alkylpiperidines.  Partial oxidation to obtain 2-alkyl-11b -hydroxyprogesterone may be effected by an Oppenauer oxidation or complete oxidation to obtain 2-alkyl-11-ketoprogesterone may be effected with chromic acid or sodium dichromate.  Examples describe the preparation of the following intermediates and products, the 3-pyrrolidyl enamine of 11b , 20 - dihydroxy - 4 - pregnen - 3 - one, 11b ,20-dihydroxy - 4 - pregnen - 3 - one, sodium enolate of 2-methoxyoxalyl-11b ,20-dihydroxy-4 - pregnen - 3 - one, 2 - methyl - 2 - methoxyoxalyl - 11b ,20 - dihydroxy - 4 - pregnen - 3 - one, 2 - methyl - 11b ,20 - dihydroxy - 4 - pregnen - 3 - one, 2 - methyl - 11 - ketoprogesterone, and 2-methyl-11b -hydroxyprogesterone.ALSO:2 - Alkyl - 11 - oxygen - substituted - progesterones represented by the formula:  <FORM:0809046/VI/1> in which R is an a -hydroxy, b -hydroxy or a keto group and the lower alkyl radical contains from 1-8 carbon atoms inclusive are useful orally as in tablets, or topically as in ointments, lotions, jellies, creams and aqueous suspensions for the treatment of arthritic conditions and as nervous system depressants.
Patent GB-521815-A (GB)
Title: Improvements in containers delivering definite quantities of liquid
IPC: B65D25/52
Filed: 1938-11-25
Abstract: 521,815. Cans; stoppers. CLOUDSLEY. J. L. Nov. 25, 1938, No. 34361. [Classes 66 and 125 (iii)] [Also in Group XVIII] A measured quantity of liquid or fine powder is obtained by deforming a wall, panel or part of the container against a stop inside the container, the wall &c. being returned to its initial position after delivery by a spring or its own elasticity. Fig. 1 shows a liquid container having one wall 2 stiffened by ribs 5 and the opposite wall 4, or a portion thereof sufficiently weak to allow it to be pressed manually against a strut 3 carried by the wall 2. To prevent escape of the liquid under its own head when the container is inverted the outlet 7 is fitted with a removable plug 23, Fig. 8, formed with a small orifice'22. The plug may be held in position frictionally or by being screwed in the outlet 7. If the container is not required to be refilled the orifice may be formed in a tin or other membrane secured in the outlet. Fig. 3 shows a container having -two flexible sides engaged by the ends 11a, 12a of a V-spring 10a. The outward movement of the limbs 14, 16 of the V-spring is limited by a tongue 13 on one engaging a slot 15 in the other and ,the inward movement of the sides of the container is limited by the abutment of the limbs. Fig. 6 shows a container the walls 19, 20 of which may be bent inwards till they engage an. inclined metal strip 17 and are then restored to their initial position by a spring 21. The spring 21 is secured to the strip by tongues 22 which limit its outward movement.
Patent GB-1105520-A (GB)
Title: Process for the preparation of deoxidised actinide carbides
Inventor: PASCARD ROGER
IPC: C01B31/30
Filed: 1965-08-11
Abstract: Deoxidized actinide carbides are prepared by grinding the carbide particularly uranium and/or plutonium carbide, and thorium carbide, for treatment and a hydride of the metals Ca, Sr, Ba, Mg and Al in powder form, mixing these powders, heating the mixture in vacuo and holding it at a temperature such as to produce decomposition of the hydride and a reduction reaction by the said metal, the amount of the latter being at least sufficient to substantially completely deoxidize the carbide.  The hydride is preferably CaH2 in which case the mixture is held at above 700 DEG  C. and the vacuum may be between 10-4 and 10-5 mm. Hg.  The powder mixture may be cold-pressed to form a compact article and the heating carried out at such a temperature as to cause sintering. Amounts of less than 1% of Fe, Ni or Co may be added before the articles are pressed and the articls heated to between 1400 DEG  and 1500 DEG  C. without mechanical pressure.
Patent GB-484327-A (GB)
Title: Improvements in straight-bar knitting machines
IPC: D04B15/64
Filed: 1936-12-15
Abstract: 484,327. Knitting-machines. BLACKBURN & SONS, Ltd., G., START, H. W., and START, E. Dec. 15, 1936, No. 34381. [Class 74 (ii)] Selection of the thread carrier bars of a straight-bar machine is effected by pawl and ratchet driven pattern cams A, B having lifts a, b of varying height which coact with a roller arm F on a shaft G to impart the desired angular movement to a carrier bar driving slide L<1>. The slide support L is splined to the shaft G between two spaced hubs of a frictionally driven frame K slidably mounted on the shaft G and S. As shown, the slide L<1> is provided with two driving fingers L<2>, L<3> for engagement with carrier bars 1, 2, 3 and 8, 9 respectively, the selecting movements of the finger L<2> being controlled by the cam B and those of the finger L<3> by the cam A. The pattern cam A is furnished with lifts for holding the roller arm F out of range of the cam B and may have further lifts for causing the fingers to miss all five carriers. Both cams are rotated by pawls A<2>, B<2> on a common actuator D and the rotation of the cam A is further controlled by a pawl bluffing disc E controlled by a pattern chain.
Patent GB-629615-A (GB)
Title: Automatic bobbin changing mechanism for looms
IPC: D03D45/20
Filed: 1946-11-20
Abstract: 629,615. Automatic bobbin-changing mechanism. HRDINA, R. Nov. 20, 1046, No. 34395. Convention date, Dec. 7, 1945. [Class 142 (iii)] A bobbin magazine for looms comprises a thread guide 11 and a securing bobbin 14, either of which may be moved to slacken the thread ends 25 during the loading of the shuttle and during the subsequent downward movement of the bobbins in the magazine. The thread ends are tensioned again when the shuttle has been loaded. The thread guide or the securing bobbin may be moved by a draw bar 24 attached to a bell-crank lever 23 which is operated by a spring loaded plunger 20. The plunger is depressed by a lever 17 operated by a draw bar 18 connected to the driving device.
Patent GB-294838-A (GB)
Title: Improved process for the production of reducing gases
IPC: C10J3/00
Filed: 1927-12-20
Abstract: 294,838. Aktieselskapet Norsk Staal Elektrisk - Gas - - Reduktion, and Edwin, E. Dec. 20, 1927. Producers. - Carbon dioxide and water vapour in gases containing them are converted into carbon monoxide and hydrogen by being heated by a high-tension electric arc and passed at a temperature of at least 1400‹ C. through a layer of incandescent coke or the like. The hot gases are introduced through a pipe d against the surface of the slope c of the coke which descends from a shaft a and the slag is tapped off through an outlet e. Liquid or gaseous carbonaceous material may be introduced into the chamber when the arc is burning and hot gases impinge on the coke at places where it is not in contact with the brickwork or lining.
Patent GB-436264-A (GB)
Title: Improvements in or relating to stuffed dolls' or animals' heads
IPC: A63H3/40
Filed: 1934-12-01
Abstract: 436,264. Toy figures. TENNANT, W. J., 111, Hatton Garden, London.-(Spielwarenfabrik C. Harmus, Jr. ; 12, Karlstrasse, Sonneberg, Thuringia, Germany) Dec. 1, 1934, No. 34566. [Class 132 (iii)] The stuffed head of a doll or animal 1 has attached to the cloth fabric face 5 a ductile metal shell provided with eye sockets but otherwise enclosed for carrying the spherical eyes 4 which are oscillatable about axes 13 fixed to the eyes rotatably carried in the opposite walls of the shell. Pins 6 project from the eyes and are connected through joints 8 with the weight 7. The shell is fastened to the face 5 by the flange 16 and supporting surface 17. In the construction shown in Fig. 5 each eye is hemispherical and is carried in a separate eye shell by having fixed to it by porcelain cement a wire axis 13 enclosed by an eye 12 on a flat bar 11 fastened on the wooden disc cover 10 of the shell. In the construction shown in Fig. 9, the supporting surface 17 is replaced by a loop stamped out on the cover 10 of the eye shell and connected by a string or wire 18 to the edge of the part circular shell 20. The head is stuffed with hard wood wool 14 insensitive to compression of the head and is oscillatable about the spherically shaped upper surface of the body by being spring-connected to the rigid cone 21. In the construction shown in Fig. 11 the eye shell consists of a tubular portion 9 having a toothed flanged. edge 15 for gripping the face and the hemispherical porcelain eye 4 is provided with a wire axis 13 rotatably carried in the tubular portion 9. The eye 4 is limited in its movement by touching the bottom 10 of a cap fitted over the tubular portion 9. The toothed edge 15 represents eyelashes and a few teeth will suffice if the edge of the eye socket of the face is stiffened. The axis of the eye can be arranged substantially vertically or can be located horizontally for sleeping dolls. The head and covering of the body can be made in one piece and the shell for the eye can be fixed on the back of the face through the same opening into which the stuffing is introduced.
Patent GB-492362-A (GB)
Title: Process of removing salts from industrial water
IPC: B01J39/02
Filed: 1936-12-16
Abstract: To remove salts from boiler feed-water or other industrial water the water is passed successively through hydrogen base-exchange material and a metal oxide gel charged with hydroxyl ions.  Gels of oxide of iron, copper chromium, manganese or aluminium, or natural products, such as limonite, chamosite, hausmannite or certain bauxites, which have been charged with hydroxyl ions by treatment with alkaline solution, may be used.
Patent GB-447605-A (GB)
Title: An improved screen for vehicle driving mirrors
IPC: B60J3/02
Filed: 1935-12-13
Abstract: 447,605. Antidazzle screens. DAVIS, H. C., 6, Chester Mews, Chester Gate, London. Dec. 13, 1935, No. 34582. [Class 103 (ii)] An antidazzle screen comprising a sheet F of translucent material is mounted on a vehicle driving mirror by means of a length of elastic material, such as a metallic spring E, which is secured at one end or each end to a spring-clamp or, as shown, to a screw-clamp A or clip attached to the sheet F, the spring E &c. passing around the mirror or mirror-holder.
Patent GB-1017466-A (GB)
Title: Dough-dividing machine, particularly for small products such as bread rolls
IPC: A21C5/04
Filed: 1962-09-11
Abstract: 1,017,466. Dough-dividing machines. F. WINKLER, and H. WINKLER, [trading as FR. WINKLER KOMM GES]. Sept. 11, 1962 [June 8, 1962], No. 34761/62. Heading B5A. Dough from a hopper 3 is cut off in an enclosure 2<SP>1</SP> (Fig. 4, not shown), when a shutter 33 advances, and is pushed into a gauging compartment 56, in a continually rotating gauging cylinder 6, by a piston 29, after which a piston 40 advances to the periphery of the cylinder so that the dough is pushed from compartment 56 down a spout 59 (Fig. 1). Cylinder 6 is rotated by elliptical gear-wheels 15, 22 so that its rotation speed is a maximum during discharge (Fig. 1), and a minimum during charging of compartments 56. Shutter 33 and piston 29 are both driven by a pushrod 27, but while shutter 33 is urged leftwards by a spring 34, piston 29 is coupled to push-rod 27 by a slide coupling 28. The shutter closes to leave a gap a (Fig. 4, not shown), to prevent excessive pressure developing. Cylinder 6 is hollow and carries a series of compartments 56 (Fig. 2, not shown), in two sets at 180 degrees apart, which are expanded and contracted by plungers 40, 41 as rods 42, 43 follow stationary cam discs 44, 45. These cam discs may be rotated by a hand wheel to vary the volumes of compartments 56 at the charging point. A stripper roll 58 rotating against the cylinder removes any dough adhering after the compartments have passed spout 59.