baber/WOPTO huggingface dataset:
Patent GB-568683-A (GB)
Title: Improvements relating to cathode ray oscillograph circuits
IPC: H01J29/74
Filed: 1943-10-11
Abstract: 568,683. Cathode-ray oscillographs. COSSOR, Ltd., A. C., and LEVIN, A. Oct. 11, 1943, No. 16623. [Class 37] In an asymmetric deflection circuit which may be changed by a switching operation from A.C. to D.C. working a grid leak is connected between a source of shift voltage and the work plate and switching means are provided to apply an earth connection alternatively (1) to a point in the shift voltage source for A.C. working, or (2) to the end of the grid leak opposite from the shift voltage source for D.C. working. Three switches S1, S2, S3, preferably constructed as a three-pole double-throw switch, are shown in the position for D.C. working. The shift voltage source is a network comprising a pair of similar potentiometer resistances R3, R4 which are ganged so that their sliders move in opposite directions and which are connected in parallel with each other and in series with voltage dropping resistors R6, R7 across a battery B2. The slider' of the resistance R4 is connected through a grid leak R2 to the earthy deflector plate Y2, the potential of which is maintained steady by coupling to earth through a condenser C2. The slider of the resistance R3 is connected through a grid leak R1 to provide shift voltage for the work plate Y1. For A.C. working the connection is direct from the grid leak through the switch S2, and the work voltage is applied from the work terminal WT through the switch S1 and condenser C1. For D.C. working the grid leak R1 is connected through the switch S2 to earth and the work voltage is applied in series between earth and the terminal WT, which is then connected through the switch S1 to the work plate Y1. Astigmatism control is provided by a potentiometer resistance R5 connected across the battery B2 and having its slider connected to the final electrode A of the electron gun. This provides adjustment of the potential of the final electrode A relative to any point in the battery B2. The resistances R6, R7 provide for astigmatism control even through the shift voltage controls R3, R4 may be in either of their extreme positions. In changing from A.C. to D.C. working the earth connection is removed from the electrode A by the switch S3 and is applied by the switch S2 to the work voltage end of the grid leak R1 without disturbing the applied shift voltage. If it is desired to change from asymmetric to balanced A.C. working, the earth connection to the condenser C2 is broken and a work voltage which is balanced with that applied through the condenser C1 to the plate Y1 is applied through the condenser C2 to the plate Y2.
Patent GB-916973-A (GB)
Title: Improvements in or relating to fluid-pressure servomotor control systems
Inventor: BALTUS GEORGE THOMAS
IPC: F15B9/16
Filed: 1959-05-15
Abstract: 916,973. Fluid-pressure servomotor-control systems. BELL AEROSPACE CORPORATION. May 15, 1959, No. 16694/59. Class 135. An hydraulic servo-mechanism comprises a pilot flapper valve 52 which controls a piston relay valve P which in turn controls an actuator 67. The valves 52 and P are in a housing 10. The flapper is formed by a leaf-spring extending from a stem 46 and is located between two nozzles 34, 35, the back pressures of which act on opposite ends of the piston relay valve P. The stem 46 is actuated by an electrical input signal to one of the coils 58, 59 or by a mechanical input signal to the rod 60. The lower end of the flapper spring 52 is received in a V-shaped groove 54 of the land 12 of the piston valve P, thus providing a mechanical feed-back connection between the piston valve P and the flapper valve 52. A rod 80 and a spring 81 form a mechanical feed-back connection between the actuator 67 and the stem 46 of the flapper valve.
Patent GB-740931-A (GB)
Title: Improvements in or relating to the method of making a composite metal billet
IPC: B23K5/06
Filed: 1953-06-18
Abstract: 740,931. Making cased or compound forms. SUPERIOR STEEL CORPORATION. June 18, 1953 [July 19, 1952], No. 16856/53. Classes 83 (2) and 83 (4). In a method of making a composite billet of at least two plate-like components 29, 30 placed on edge, a holding member 31 with at least one flange 31a projecting downwardly and holding one component 30 on its outside face is welded to one of the components 29. The method and apparatus are described in Specification 740,930. Specification 687,684 also is referred to.
Patent GB-1353681-A (GB)
Title: Compositions for the control of microorganisms
IPC: A01N31/16
Filed: 1971-05-25
Abstract: 1353681 Antimicrobial compositions CIBAGEIGY AG 25 May 1971 [26 May 1970] 16903/71 Headings A5B and A5E A composition for the control of microorganisms comprises antimicrobically effective amounts of a compound of the formula I: wherein p represents a whole number from 1 to 5 and Hal represents a halogen atom and the benzene nucleii A and B can carry optionally halogenated C 1-4  alkyl groups, C 1-4  alkoxy groups, allyl, cyano, amino or acetyl groups or of an O-acyl derivative thereof with respect to the hydroxyl group, and a compound of the formula II wherein n represents 0 or a whole number from 1 to 5, X represents halogen and Y represents -O-CH 2 - or -CH 2 - or a direct bond, and an inert carrier and/or a dispersing agent compatible therewith. Other active ingredients may also be present, such as halogenated salicylic acid alkyl amides and -anilides, halogenated diphenyl ureas, polychlorohydroxydiphenylmethanes, halogendihydroxydisulphides, corticosteroids such as hydrocortisone or flumethasone-pivalate, sulphur or zinc stearate. The compositions may be in the form of hand disinfectants, creams, solutions, suspensions and wound powders.
Patent GB-1424225-A (GB)
Title: Rotary hydraulic jack devices
IPC: B23B31/30
Filed: 1973-04-10
Abstract: 1424225 Chuck operating mechanisms LA PRECISION INDUSTRIELLE 10 April 1973 [11 April 1972] 17075/73 Heading B3T [Also in Division F1] A rotary hydraulic jack, particularly for exerting a pull on the control member of a chuck, comprises a piston 3 reciprocable in a cylinder 2 rotatable in bearings 9, 10, a pair of valves 25A, 25B for trapping liquid in the working chambers A, B on opposite sides of the piston 3 so as to lock the latter, and a cylindrical accumulator cavity 21 in communication with each chamber A and B and variable in volume by a spring-loaded piston 32A or 32b. Thus with both chambers A, B isolated by the valves 25A, 25B a limited amount of leakage from the chambers can be tolerated since the relevant piston 32A or 32b is urged by its spring 33 to maintain the chamber pressure. Liquid for operating the piston 3 is supplied to one or other of two annular grooves a, b in a fixed sleeve 11, the other groove being connected to exhaust. Assuming groove a is pressurized, then valve 25A opens to admit liquid to chamber A. Simultaneously a piston 23 is displaced to the left to open a valve 26B and allow liquid to exhaust from the chamber B via a tube 6 and passages 38, 37, 36 to the groove b. Pressurization of the chamber A displaces the piston 32A before reduction of pressure in the groove a causes the valves 26A, 26B to close. In a second embodiment having locking valves (41A, 41B) which are disposed in separate bores, Figs. 2-9 (not shown), each accumulator piston (45A, 45B) has two portions of differing diameter, and when liquid is applied to either chamber A or B it is also applied to the small and annular end surfaces of its accumulator piston. Thus the spring (46A or 46B) loading each accumulator piston is subjected to pressure over an area equivalent to its large end, whereby when the pressure supply to the annular surface is removed the spring causes the small surface to maintain a pressure in the associated chamber A or B which is greater than the supply pressure.
Patent GB-1007512-A (GB)
Title: Drive, particularly for a carriage of a machine tool or the like
IPC: B23Q5/56
Filed: 1963-05-01
Abstract: 1,007,512. Milling. H. DECKEL and F. W. DECKEL,. May 1, 1963 [May 30, 1962], No. 17095/63. Heading B3K. [Also in Division F2] In a backlash-free drive for a milling machine carriage 18, a feed screw 10 is rotatably mounted in a saddle bed 12 and is driven through worm 14 and worm-wheel 16, two nuts 20, 22 and recirculating balls are mounted within the carriage 18, the nut 20 being rigidly connected thereto and the nut 22 being rotatably mounted therein, and the nut 22 is adapted to be rotated with respect to nut 20, in order to eliminate backlash, by means of an axially spring-pressed bush 36 having inclined non-self-locking flanks 32 engaging matching flanks 30 on a sleeve 28 rigidly secured to the nut 22. The bush 36 is axially guided by a pin 34 engaging a slot 40 and is urged axially by spring washers 38. In a modification, shown in Fig. 3, an acme thread is provided on the spindle 10 and nuts and means for cancelling the spring force operative between the nuts 20 and 22 comprises a ring screw 44 which can be turned by a handle 42 to move pins 46 and bush 36 axially against the force of springs 38. In a further modification, shown in Fig. 4, nuts 20, 22 are connected by gears 58, 64, 60 and 66 and roller-type freewheel couplings 68, 70, of opposite hand, to a driving shaft 62.
Patent GB-719735-A (GB)
Title: Improvements in or relating to a pumping apparatus for transporting solids
Inventor: REICHL ERIC HERBERT
IPC: F04D7/04
Filed: 1952-07-08
Abstract: 719,735. Pumping pulverulents in a liquid stream. PITTSBURGH CONSOLIDATION COAL CO. July 8, 1952, No. 17199/52. Class 102 (2). In apparatus for transporting solids, e.g., coal, in suspension in a liquid in a pipe line over long distances, pumping stations are provided in the line to apply pressure. Fig. 2 shows an arrangement of a station in which the pipe line 30 divides into two transfer pipes 35, 36 that are connected to a four-way valve 43 also connected to the suction passage 44 and the delivery passage 45 of a pump 46. The valve 43 is operated periodically and in the position shown water is being withdrawn from pipe 35 to admit through valve 39 a slug of slurry and at the same time water is being discharged into pipe 36 to force a slug through valve 42 into the continuation 31 of the pipe line. When the slug in pipe 35 almost reaches the valve 43, the valve is moved and the reverse operation takes place, a slug is drawn into pipe 36 and the slug in pipe 35 is forced into pipe 31. A pump 48 delivers a regulatable quantity of make-up water through valve 49 into the suction of pump 46 so that the complete slug and in addition some water is discharged, at each operation, into pipe 31. In modifications, the valve 43 is replaced by two three-way valves or four two-way valves. In another modification the valves 39, ... 42, are replaced by a valve similar to valve 43 and the system is arranged that the slug is forced from the transfer tubes in the same direction as it enters them. In further modifications of this system, each four-way valve may be replaced by two three-way or four two-way valves..
Patent GB-184331-A (GB)
Title: Improvements in or relating to side splash preventers for use with road vehicles
IPC: B62D25/18
Filed: 1921-06-24
Abstract: 184,331. Ballard, F. A. June 24,1921. Lateral-splash guards. -A side-splash preventer for road vehicles comprises a framework 4 passing entirely round the road wheel and carrying a rubber or like flexible flap 3, which also passes entirely round the wheel. The guard is mounted on a fitting 1 pivoted on the front axle 2, or, in the case of a rear wheel, connected to a sleeve encircling the rear axle. A U-shaped member 6 supports the outside of the frame 4, whilst members 7 support the inside of the frame.
Patent GB-1304313-A (GB)
IPC: C01G56/00
Filed: 1971-05-26
Abstract: 1304313 Separation of reptunium from plutonium COMMISSARIAT A L'ENERGIE ATOMIQUE 26 May 1971 [28 May 1970] 17299/71 Heading G6R In the separation of rep tunium and plutonium present in a nitric acid solution by making the solution reducing and then extracting the Np IV with an organic solution of trilaurylamine in an inert solvent, capric acid is added to the separated organic phase which is then washed with a reducing aqueous solution. Example 1 shows the effect of varying the amount of capric acid and Example 2 describes the countercurrent extraction of a solution containing hydrazine and ferrous sulphamate as reducing agents; washing of the organic phase is carried out with an aqueous solution containing nitric acid and ferrous sulphamate, capric acid being added to the organic phase in the final stages. The process may be used for treating effluent from fuel processing plants or for treating irradiated targets of Np 237 to separate Pu 238.
Patent GB-588708-A (GB)
Title: Improvements relating to ultra high frequency oscillators
IPC: H03B5/18
Filed: 1942-12-04
Abstract: 588,708. Velocity-modulated tubes. STANDARD TELEPHONES & CABLES, Ltd., and FREMLIN, J. H. Dec. 4, 1942, No. 17311.. [Class 39 (i)] A velocity-modulated tube comprises a coaxial line resonator 13, 14, Figs. 4, 5, divided by fins 15 and plates a into the gaps separated by a drift space, through which an electron beam from cathode 17 and grid 18 passes to excite the resonator. The open end of the resonator, which may be 0.16 wavelength, is terminated by an antenna 16 of length less than a quarter wavelength, for example 0.07 wavelength. Such a tube has a very high rate of change of generated wavelength with beam acceleration voltage and is suitable for use in an ultra-short wave receiving circuit for automatically maintaining the intermediate frequency constant. The beam may be collected by anode 19, or, preferably, reflected back through the resonator, the transit time between the second gap and the reflector being between (4n+1)/8 and (4n+2)/8 periods, while the drift time is one-half period. The electrodes 17, 18, 19 and a backing plate 20 are carried by two mica discs 21, 22 and antenna 16 has a reflector 23 associated with it. A magnetic field concentrates the electron beam into the gaps. The antenna' 16 may be used to set up local oscillations in a wave-guide which is already bearing the waves to be heterodyned. In a modification, two resonators are built up from a pile of perforated plates 40, 41, Figs. 8, 9, of which the thin molybdenum plates 41 have projecting tongues 42, forming an antenna, and 45, forming a reflector. The plates are spaced by packing-pieces 44A, 44B, Fig. 8, and electrons are fired through the gap 50. Specifications 537,490, 582,615 and 582,936 are referred to.
Patent GB-251475-A (GB)
Title: Improvements in candy box tops
IPC: B65D25/20
Filed: 1925-07-06
Abstract: 251,475. Lengsfield, B. R. July 6, 1925. Boxes combined with means for displaying an. nouncements and advertisements; ornamenting boxes.-In a box lid provided with a frame to receive removably a card bearing reading, decorative or other matter for display through an opening in the frame, the frame 10 is provided with a paper or other covering 1 having overlaps 11 - - 14 all but one of which are secured to the outer edges of the underside of the top 4 of the lid the remaining overlap 14 being folded over the edge 15 of the frame to provide the slot for the insertion or removal of the card 20. The covering has inner overlaps 16 - - 19 which are turned. in and secured to the underside of the frame.
Patent GB-668567-A (GB)
Title: Improvements in or relating to a method of preparing a stable theophylline composition and the product resulting therefrom
IPC: C07D473/08
Filed: 1949-06-30
Abstract: Theophylline is stabilized by admixture with o-, m- or p-aminobenzoic acid in the presence of an alkali metal hydroxide, such as sodium and potassium hydroxides.  Preferably, equimolar proportions of the aminobenzoic acid and theophylline are mixed with water and one to two molecules of alkali metal hydroxide added until complete solution occurs at room temperature.  A product containing 45 to 55 per cent free theophylline is prepared and has a solubility at 28 DEG  C. of 15 to 50 grms. per 100 mils of solution and a pH of 9.2 to 9.5. Specification 624,696 is referred to.
Patent GB-260946-A (GB)
Title: Improvements in electromagnetic devices, suitable for use with sound recording and reproducing devices and the like
IPC: H04R11/08
Filed: 1926-07-10
Abstract: 260,946. Western Electric Co., Inc., (Assignees of Harrison, H. C.). Nov. 3, 1925, [Convention date]. Magnets.-The limbs of the permanent magnet of a telephone relay, sound reproducer or like instrument having a balanced armature are tapered, as shown, and are provided with inserts 21 of permalloy of reduced cross-section, the magnetic flux being thereby maintained more nearly constant.
Patent GB-182459-A (GB)
IPC: C08G2/00
Filed: 1922-06-23
Abstract: Artificial resins produced by heating aldehydes with alkali are rendered stable towards water by dissolving them in a solvent and then precipitating them by water. If the initial resin has not been condensed as far as the hard stage, hardening may be effected by prolonged heating after the precipitation. The products may be used as protective paints for radiators, boilers, etc.; being soluble in spirit, benzene, carbon tetrachloride, trichlorethylene, acetone and fatty oils, such as linseed oil, they are also useful for the production of oil- and spirit-varnishes, impregnating or polishing solutions &c. According to the examples (1) acetaldehyde and caustic soda are subjected to continued heating after distilling off the volatile residue, the product dissolved in glacial acetic acid and then precipitated in powder form by the addition of water; after drying, the powder may be directly dissolved in a solvent to form a varnish or first converted by more or less prolonged heating into a resin of desired degree of hardness; (2) a viscous resin is formed from crotonaldehyde and caustic soda, dissolved in acetone and precipitated by adding water; the precipitated resin is then hardened by heating it alone or dissolved in a solvent such as linseed oil.
Patent GB-1011112-A (GB)
Title: Improvements in or relating to ergot alkaloids
Inventor: HOFMANN ALBERT
IPC: C07D487/04
Filed: 1962-05-07
Abstract: Compounds of the general formula I <FORM:1011112/C2/1> in which each of R1 and R3 signifies a hydrogen atom or an alkyl radical containing 1-5 carbon atoms, R2 signifies a hydrogen atom, an alkyl radical containing 1-3 carbon atoms or the benzyl radical, and \sGxy signifies the radical <FORM:1011112/C2/2> and their acid addition salts, are obtained in a process characterized in that a compound of the general formula II <FORM:1011112/C2/3> in which R3 and xy have the above significance and X signifies a chlorine or bromine atom or the radical -OSO3H is reacted with a salt of a compound of the general formula III <FORM:1011112/C2/4> in which R1 and R2 have the above significance, in the presence of a tertiary base, and, when an acid addition salt is required salification is effected with an organic or inorganic acid.  The compound III is produced by acylating a compound of the formula V <FORM:1011112/C2/5> in which R2 has the above significance with a compound of the formula VIII <FORM:1011112/C2/6> in which R1, R4 and X have the above significance and Hal signifies a chlorine, bromine or iodine atom, to obtain a compound of formula VI <FORM:1011112/C2/7> in which R1, R2, R4 and X have the above significance, hydrogenating compound VI so as to split off the protective radical and spontaneously cyclize to form compound VII <FORM:1011112/C2/8> in which R1, R2 and R4 have the above significance, saponifying VII to form the free acid, converting the free acid into the corresponding acid chloride and azide in a known manner, heating the azide in a non-polar solvent to produce the isocyanate, reacting the isocyanate with benzyl alcohol to give the corresponding benzyl urethane which is then hydrogenated in solution in the presence of a mineral acid to produce the desired amine salt III.  Pharmaceutical compositions containing the above compounds I are administered enterally, parenterally or intranasally as tablets, dragees, syrups, injectable solutions, suppositories, ointments, suspensions and emulsions.  Specifications 991,115, 999,388 and 1,011,113 are referred to.
Patent GB-255107-A (GB)
Title: An automatic dough-dividing and dough-working machine
IPC: A21C5/00
Filed: 1926-07-12
Abstract: 255,107. Kremmling, O. July 11, 1925, [Convention date]. Cylinder machines; rolling machines; delivery; feeding. - Comprises an automatic machine wherein dough is fed to dividing-chambers by oppositelyrotating rolls and the guided portions are discharged on to a continuouslymoving band and conveyed to working apparatus which travels with the band whilst engaging the dough. As shown, dough is fed from a hopper 35, Figs. 1 and 5, by oppositely-rotating rollers 32, 33, 34 through a throat 37 to apertures 38 in a member 39 supporting a rotary member 40 having diametral cells 44 fitted with pistons 43 carried by a rod 42. A shaft 6, driven from the main shaft 2, imparts intermittent movement to the rollers 32 through a crank disc 7, adjustable linkage 20 - - 28 and ratchet gear 29; and to the member 40 through rack and ratchet gear. The rod 42 is fitted with end members 49 adapted to engage adjustable stops 50 to regulate the size of portion. the upper ends of the members 49 being engaged by pins 55 carried by frames 58 which are depressed, against the action of springs 61, by cams 10 on the shaft 6. The divided dough portions are severed by a cutting-wire 69 carried by arms 65 connected to levers 66 which are furnished with rolls 68 engaging cams 9 on the shaft 6. A band 13, driven continuously from the shaft 6 through chain gearing 11, receives the dough portions and conveys them to the working apparatus 93 which is carried by a table 79 advanced at the same speed as the band 13 by a cam 70 on a shaft 19 driven through chain gear 17, the cams engaging levers 73 constrained by springs 81. Cams 71 on the shaft 19 raise pivoted levers 83 which raise 'the table 79, for engaging and disengaging the dough portions, through rollers 127. The working-apparatus comprises a head 93, furnished with cells 95, which is suspended by a chain 92 from a frame 89 carried by the table 79 and is carried bv a bolt 125 passing through a yoke 126 on a table 120 to which circular movements are imparted through crank mechanism 117 driven through worm gear 110 from a shaft 102 driven from an independently-driven shaft 98 through bevel gear 103 and a clutch 104. Pins 109 on one of the levers 83 engage a bent upper portion of the clutch lever 108 to arrest the shaft 102 when the member 93 is raised. The table 120 is furnished with a slotted member 127 engaging a pin 128 which is adjustable to vary the working and may be secured either to a member 130 travelling with the table 79 or to a fixed member 131 so as to give uniform or gradually-decreasing working. Compressed air is delivered to the cells 95 through a flexible pipe, opening 96 and apertures 97. Fig. 6 shows a modified feed for the divider comprising equal rollers 136 supported by the frame 58 and reciprocated within a portion 137 of the hopper 35. Springs 138 separate the rollers at the upper limit of their travel.
Patent GB-1371138-A (GB)
Title: Apparatus for emptying one way container
IPC: B65D88/72
Filed: 1972-04-17
Abstract: 1371138 Tipping containers to discharge contents; pneumatic conveyers DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT 17 April 1972 [19 April 1971] 17588/72 Headings B8E B8A and B8S In a tippable receptacle 1, Fig. 1, for emptying containers in which the container is placed on a raisable plate 8 through a side door 2, Fig. 2 (not shown), a hopper portion 3 is provided with a porous wall 5 so that compressed air may be supplied to the chamber between walls 4, 5 to fluidize the contents of the container during emptying. The plate 8 is raised by inflating a hose 9 and rails 10 guide the plate. A resilient sealing strip is provided round the shoulder 12. Thd porous wall 5 may be of sintered metal, ceramic or plastics material and is preferably porous polyethylene.