baber/WOPTO huggingface dataset:
Patent GB-675401-A (GB)
Title: Improvements in pressure gauges
Inventor: DUNTON LESLIE ALBERT
IPC: G01L7/00
Filed: 1950-03-07
Abstract: 675,401. Pressure gauges. BARNET INSTRUMENTS, Ltd. Nov. 13, 1950 [March 7, 1950], No. 5754/50. Class 106 (ii). A pressure gauge comprises a flexible diaphragm 4 acting on a pressure transmitting member 7 which actuates pressure indicating- means 2 and a blade spring 11 acting on the member 7 in opposition to the pressure and linearly adjustable to vary the effective length of the spring 11. The diaphragm is preferably constructed from sheet synthetic rubber and is clamped between parts 5, 6 conveniently formed by die casting, with the intervention of a sealing washer, while the centre part of the diaphragm is subjected to gaseous or other fluid pressure through a coupling 3 and exerts a pressure on the transmitting member 7, which is in the form of a circular section rod and moves axially in a corresponding bore in the part 6 and, by rack 8 and pinion 9, actuates a pointer 2. The upper end of the rod 7 is of part spherical shape and engages the blade spring 11 which is carried by a block 12 adjustable on a bracket 14 by a micrometer screw 13 to vary the effective length of the spring 11. A spring of appropriate thickness is inserted and adjusted and a suitable calibrated dial is fitted in a casing 1 for the gauge according to the pressure range for which the gauge is being assembled. Most of the components may be produced on repetition lathes. The diaphragm is approximately ten thousandths of an inch thick.
Patent GB-195839-A (GB)
Title: Improvements in boat chocking apparatus and releasing gear therefor
IPC: B63B23/18
Filed: 1922-02-28
Abstract: 195,839. Gouk, A., Nisbet, R., and Morren, J. Feb. 28, 1922. Chocks. - In boat-stowing gear of the kind comprising a pivoted keel clamp interconnected and simultameously actuated with a movable bilge chock, the keel clamp 3 is pivoted at 11 and is linked to a member 5 having a nose 13, which engages with a notch in a thwart ship sliding bilge chock 6. The member 5 is in turn linked to an arm 15 on a fore and aft control rod 16, the actuation of which causes the keel clamp and bilge chock to take up positions shown in dotted lines. The keel clamp fits into an end notch in the chock.
Patent GB-219046-A (GB)
Title: Improvements in the application of ball bearings to screw expanding stoppers and cramps or clamps
IPC: F16C19/10
Filed: 1923-10-02
Abstract: 219,046. McCormick, W. A. Oct. 2, 1923. Stopping pipes. - In a screw expanding stopper for closing drain pipes, a squaresection ball-race in the shoulder of the operating screw s accommodates balls b<1> which act against one plate d of two domed plates d, d<1>, adapted to be brought together to expand a filling ring r located around the coned periphery of the plate d<1>.
Patent GB-854859-A (GB)
Title: Improvements in and relating to aircraft wings incorporating a power installation for propulsion
Inventor: CREASY RAYMOND FREDERICK
IPC: B64D27/18
Filed: 1957-02-21
Abstract: 854,859. Jet propelled aircraft wings. ENGLISH ELECTRIC CO. Ltd. Feb. 14, 1958 [Feb. 21, 1957], No. 5952/57. Class 4. [Also in Group XXVI] An aircraft wing has a forward portion comprising upper and lower wing panels, defining at their leading edges an air intake producing shock waves at supersonic speed and a divergent diffusor extending aft from the intake, the panels, intake, and diffuser being structurally integrated, and a rear portion comprising upper and lower panels and chordwise disposed plates dividing the rear portion into compartments alternately housing ram-jet and turbo-jet engines, the two wing portions being connected together cantilever fashion through vertical plates extending chordwise into both wing portions and dividing the rear portions into the compartments, joints permitting differential spanwise thermal expansion being provided at the upper and lower panels of the portions. Fig. 2 is a partly broken away plan view of part of a wing, Fig. 1 being a cross-section. The air intake 130 and diffusor 136 are formed by panels 134, 135, the latter merging at its leading and trailing edges with a skin panel 133. Allpanels may be of cellular sandwich construction, having corrugations running spanwise. The panels 133, 134 are connected by spanwise N-girders (as seen looking chordwise) composed of uprights 101a ... 104a in line chordwise, and sloping members 101b ... 104b. Pre-tensioned bracing wires 105 interconnect the girders, and braces running diagonally of the chord lines may also be arranged between the girders. At least the parts of the girders and braces within the diffusor 136 are of streamlined section. The rear part of the wing is composed of upper and lower cellular sandwich panels 233, 234, with corrugations running chordwise to permit a through flow of cooling air. These panels are connected by cellular sandwich plates 114 dividing the rear portion into compartments, and formed integrally with the uprights 104a of the rearmost girder 104. Alternate compartments house turbo-jet engines 150 mounted on four spigots 161 (three shown) and swinging links 164, and ram jet engines 156 mounted on four spigots 162 and swinging links 163. The space between each turbo-jet engine 150 and the walls of its compartment 122 is sealed from the diffusor air pressure by a bellows device (not shown), so that the pressure therein is not high and access panels of light construction can be located in the wing skin e.g. by elongated holes allowing thermal expansion. Reinforcing square tubes are located chordwise in each corner of each compartment, and may carry cooling air rearwards. The joints 273, 274 between the forward portion skins and the rearward portion skins allow relative spanwise thermal expansion. The forward portion may be of stainless steel or titanium alloy, and the rear portion of nickel alloy. The turbo-jets are used from take off until cruising height and speed are attained, whereupon the ram-jets take over.
Patent GB-1175802-A (GB)
Title: Methionine Decarboxylase and Process for Producing the Same
IPC: C12N9/88
Filed: 1968-02-07
Abstract: 1,175,802. 3 - Methylthiopropylamine. KYOWA HAKKO KOGYO CO. Ltd. 7 Feb., 1968 [20 Feb., 1967], No. 6052/68. Heading C2C. [Also in Division C3] 3-Methylthiopropylamine is produced from methionine by the enzyme methionine decarboxylase (see Division C3). CO 2  is also produced and the reaction may be used for the estimation of methionine in foodstuffs and biological products.
Patent GB-357926-A (GB)
Title: Manufacture of a new crystallized product from digitalis
IPC: A61K36/80
Filed: 1931-02-26
Abstract: A crystalline glucoside is prepared by extracting exhaustively either fresh or dried and remoistened leaves of digitalis, for example, digitalis lanata, with solvents immiscible with water such as methyl or ethyl acetate, methylethyl ketone, or chloroform, in the presence of readily soluble salts such as magnesium sulphate, sodium chloride, calcium chloride, ammonium sulphate, sodium nitrate, sodium nitrite, or primary sodium phosphate.  The extract is then evaporated at a low temperature in vacuo and the residue is treated with ether.  The insoluble precipitate formed, which contains the glucosides in the form of their tannoids, is separated by filtration, further treated with ether, and dissolved in an aqueous organic solvent such as an aqueous alcohol.  The solution is treated with tannin-precipitating substances such as lead hydroxide, thus liberating the glucosides. The precipitated tannin and other impurities are removed by filtration and the solution partly evaporated to drive off the alcohol causing the difficultly soluble portion of the glucosides to precipitate.  The precipitate is purified by recrystallization from a suitable solvent such as methyl alcohol.  Instead of dissolving the residue after treatment with ether directly in an aqueous solvent this residue may first be treated with water, which may contain a little sodium chloride, the subsequent treatment with the tannin-precipitation substances &c. being then carried out with the difficultly soluble portion of the residue only.
Patent GB-555658-A (GB)
Title: Improvements relating to apparatus for filling bottles
IPC: B67C3/22
Filed: 1942-05-07
Abstract: 555,658. Filling bottles. ENOCK, A. G., and GRAHAM - ENOCK MANUFACTURING CO., Ltd. May 7, 1942, No. 6161. [Class 125 (ii)] In a machine for filling bottles having a rotary platform and tank from which the liquid flows by gravity into the bottles which are vented by means communicating with a source of reduced pressure, a bell of annular form covers the vent pipes and is partly submerged in liquid surrounding the pipes to form a liquid seal while the reduced pressure is applied to the interior of the bell. As shown the vent pipes 2a of the filling heads 2 in the rotory tank 1 project into the annular bell 3 which dips into the liquid in the tank and is covered by cover 24 for the tank having a dished rim 25 extending over the rim of the tank. The bell is supported by an arm 5 adjustably mounted on a bracket 6 by a pivot 15 and pin 16, the bracket being rotatably mounted in a hollow column 7 and carrying a pulley 14 over which passes a chair 13, connected to counterweights 12 on the column. A chamber 9 on the bell is connected by a conduit 8 with a suction fan 10 supported from the columns 7 and the pipe 30. connected to the milk supply pipe 27, passes through an aperture 29 in the cover 24. The bell may be shifted for cleaning by disconnecting the pipe 30 and float 28 from the pipe 27 at the gland 31, removing the pin 16, and lifting the bell and then swinging it laterally, locking means 23 prevent swinging of the bell during the filling operations. The fan or blower and its driving motor may be mounted on the bell or cover.
Patent GB-1123543-A (GB)
Title: Basic refractory compositions
IPC: C04B35/03
Filed: 1966-02-11
Abstract: A refractory mix consists of a magnesia containing aggregate, 0.5 to 6 parts per 100 parts of aggregate of a sodium polyphosphate <FORM:1123543/C1/1> n being 4-100 and water for sufficient lubricity. The aggregate may contain only 5% magnesia, the other component being chrome ore, dolomite, lime, silica, alumina, zircon or zirconia, generally less than 30% being present.  Preferred particle size distribution is 10% -3 + 6 mesh (Tyler), 55% -6 + 28 mesh, 35% -100 mesh.
Patent GB-184437-A (GB)
Title: Improvements in and relating to steam boilers
IPC: F22B27/16
Filed: 1922-03-02
Abstract: 184,437. Alexander Holding Co., (Assignees of Alexander, C. Z., and Alexander, E. S.). Aug. 11, 1921, [Convention date]. Vertical boilers; fire - boxes. - A boiler comprises a water-jacketed vertical fire-box 8 in the sides of which are cast vertical open ended tubes 39 communicating with the bottom of the fire-box jacket, heated water being discharged from the tops of the tubes over shallow ribbed evaporating surfaces 18, 17 heated by the furnace gases. The heated water passes first through annular zigzag passages 20 in the upper evaporating surface, and then through a central pipe 25 on to the lower evaporating surfaces formed with similar passages, the unevaporated water being conducted by pipes 28 back to bottom of the fire-box jacket. The steam passes through short tubes 22 between the chambers enclosing the evaporating surfaces, and is led off by a pipe 47. Tubes 23 place the top of the fire-box jacket in communication with the steam space 44. The outer surfaces of the vertical tubes may be surrounded by the water in the fire-box jacket. In a further modification, the sides of the tubes project into the fire-box, and are so cast as to form a bridge over the top of the fire-box.
Patent GB-1183621-A (GB)
Title: Improvements in or relating to Tools for Use in Servicing Drum Brakes.
Inventor: JONES JOHN BRIAN
IPC: B60T17/22
Filed: 1967-02-09
Abstract: 1,183,621. Prizing tools. GIRLING Ltd. 12 Feb., 1968 [9 Feb., 1967], No. 6294/67. Heading B4C. A prizing tool for coupling and uncoupling the return spring of internal shoe drum brakes comprises a lever 1 having one end 6 shaped to make rocking engagement with a brake shoe and a link 2 connected to the lever for pivotal movement about an axis transverse to the lever and having a hook 3 for engagement with the return spring. The lever is formed from a tube, such as of aluminium, which is flattened at one end 6 to form a fulcrum surface 7. The link 2 is connected to the tube by means of clip 8.
Patent GB-1062954-A (GB)
Title: Improvements in the preparation of 7-(gamma-diisobutyl-amino-beta -hydroxypropyl)-theophylline
IPC: C07D473/08
Filed: 1965-02-15
Abstract: 7 - (g  - Diisobutylamino - b  - hydroxy - propyl)-theophyllin is prepared by reaction of theophylline or a salt thereof with a N,N-diisobutyl - 3 - halo - 2 - hydroxy - propylamine, itself preparable by condensing diisobutylamine with an epihalogenohydrin.
Patent GB-164127-A (GB)
Title: Improvements in or relating to the colouration of metallic surfaces
IPC: C25D11/34
Filed: 1920-03-02
Abstract: 164,127. Rondelli, T., Sestini, Q., and Sestron Colour Oxidising Co., Ltd. March 2, 1920. Addition to 106,774. Metallic oxides, obtaining and depositing. - Articles of metals such as copper, copper alloys, and iron are coloured by connecting them exclusively as anodes while immersed in a heated solution of a fixed alkali in which is dissolved, preferably to saturation, a copper compound such as cupric oxide, hydrate, or sulphate. The concentration of alkali is preferably such that the boiling-point is 120-130‹ C. The electrolyte may be heated to 90-130‹ C. for treatment of copper or iron. Current densities of 1-30 amperes per sq. dcm. may be employed; a higher density is allowable for pure copper or bronze rich in copper than for other copper alloys. According to the duration and conditions of treatment, iridescent effects or light green, dark blue, or black coatings can be obtained. The black coatings can be polished and resist corrosion.
Patent GB-830424-A (GB)
Title: Polymerisation catalysts
Inventor: SMALL PERCY ARTHUR
IPC: C08F4/06
Filed: 1957-02-27
Abstract: A polymerization catalyst is prepared by interaction of (a) a compound (preferably halide, particularly chloride) of a transition metal occupying any of the 4th to 6th places after the inert gases in one of the long periods of the Periodic System, and (b) a compound containing the group H-Si \sZ-, wherein the residual valencies are satisfied by -R, -Si \sZ-, -OR or -OSi \sZ- groups, R being alkyl, cycloalkyl, aryl or aralkyl, and any residual valencies on the said groups are similarly satisfied. Preferably, the reaction is carried out in (c) a hydrocarbon medium, preferably free from sulphur-containing impurities. Components specified are (a) TiCl4, TiCl3, CrCl3, VCl4\t (compounds of Mo and W being mentioned in the Provisional Specification); (b) Me3SiH, Et3SiH, Me2 #f SiH (#f = phenyl), Me #f2 SiH, MeSiH-O-)n - methyl hydrogen silicone oil, (SiHO0.5)n-siloxene; (c) petroleum ethers (which may be purified by refluxing with anhydrous AlCl3 and distilling, then refluxing with Na/K alloy and distilling, all in a nitrogen atmosphere), methylcyclohexane and Na-dry xylene.ALSO:Polymerizable compounds (preferably CH2= CHR, R being H or alkyl, e.g. ethylene or propylene, but CH2=CHCl is also specified) are polymerized by means of a catalyst comprising the reaction product of a compound containing the H-Si group with a Periodic Group IVa, Va or VI transition metal compound (see Group III).  Preferably the polymerization occurs in a hydrocarbon medium, particularly when free from sulphur-containing impurities; specified are petroleum ethers (which may be purified with A.Cl3 and Na/K alloy), methylcyclohexone and sodium-dry xylene. Preferably at the end of the reaction the ratio of liquid medium (volume in ml.) to solid polymer (weight in gms.) in 2-7:1, particularly 2-4:1.  Expecially preferred for polymerization are (a) TiCl4 for ethylene and (b) TiCl3 (particularly reduced in particle size by milling, e.g. ball milling) with a trialkyl silane, particularly Me3SiH, for propylene.  In examples, ethylene at 50-51 atm. (20-24 DEG  C.) has polymerized under conditions (also applied to propylene) in the range 100-150 DEG  C., 6-16 hours; vinyl chloride was polymerized at 70 DEG  C- for 20 hours and developed 20.5 atm. maximum pressure.  The reactions may be quenched with hydroxylic compounds (e.g. water, steam or an alcohol such as methanol, ethanol or butanol), the reagents possibly containing acid or alkali to effect purification of the polymer; further purification may be effected with xylene, ether, heptone and/or acetone.
Patent GB-980796-A (GB)
Title: Improvements in or relating to charging control circuits for electrochemical batteries or accumulators
IPC: H02J7/00
Filed: 1962-02-20
Abstract: 980,796. Battery overcharge preventing. YARDNEY INTERNATIONAL CORPORATION. Feb. 20, 1962 [Feb. 20, 1961], No. 6556/62. Heading H2H. In order to reduce the charging rate of a battery 1 when the battery is approaching the fully charged condition, the battery is connected to the charging source 2 by way of the contact 6 of a relay 5, the relay coil 5 together with a variable resistor 4 and a Zener diode 3 being connected in series across the output of the charging source with the Zener diode 3 connected in the reverse direction to the flow of current from the charging source 2. Thus when the battery is fully charged the voltage across the Zener diode is such that the diode breaks down, whereupon the relay coil 5 is energized to change over the contact 6 thereby breaking the charging circuit and lighting a pilot lamp 7 to indicate the end of the charging period. In an alternative arrangement (Fig. 2, not shown) a transistor takes the place of relay contact 6, the transistor being controlled by a further transistor which is itself controlled by the breakdown of the Zener diode.
Patent GB-838749-A (GB)
Title: A process for improving the colour of meat
Inventor: FURGAL HENRY PAUL
IPC: A23B4/023
Filed: 1958-02-28
Abstract: The colour of a meat product, particularly cooked, cured, comminuted products of the sausage type, is improved by contacting it, for example by spraying, with a ferrous salt, e.g. ferrous sulphate, chloride, bromide, iodide, lactate, citrate, or gluconate, or ferrous ammonium sulphate, to provide an added ferrous ion concentration of 30-300 p.p.m.  The product can be subsequently heated to assist the colour development.
Patent GB-470866-A (GB)
Title: Improvements in electric fuses
IPC: H01H85/045
Filed: 1936-03-05
Abstract: 470,866. Fusible cut-outs. COX, C. W. March 5, 1936, No. 6625. [Class 38 (i)] In a refillable cartridge fuse, two elements are arranged in series, one of low melting point fusing on slight overloads, the other in the form of fine wires of high melting point passing through an insulating block and fusing on shortcircuit, asbestos pads being arranged to cool the arc gases. A fusible element B of solder connects the thick conductors A1, A2 in Fig. 1, while fine fuse wires in parallel passing through the refractory bock D are hard soldered at 21 to a conductor A3. Asbestos pads E1, E2, E3 cool any vapours formed when an element fuses. The pads, spacing sleeves 16, 17 arc baffle D, and the fuse elements are contained in a refractory tube 14, retained in the casing 11 by screwed end caps 12, to which the conductors are fastened by screws 13. In a modification, Fig. 3, contacts 24, 25 are provided, so shaped that the fuse may only be used one way up, thus ensuring that the lower soft solder joint 33 shall be below the arc baffle D while the hard solder joint 32 is above. In further modifications, Figs. 6 and 7, stranded end conductors A1, A2 pass through metal tubes 40 and are joined to fuse wires C1 by solder 42, the wires passing through holes arranged in a circle in the baffle D. The endcontacts 38 are U-shaped, blades 38b being connected to the wires A1, A2 and being held by the contacts 38, discs 39 and screw caps 34 'holding the contact-blades in position. Specification 443,717 is referred to.
Patent GB-1046088-A (GB)
Title: A method of working and opening up synthetic rubber and apparatus for performing thesame
IPC: B29C48/76
Filed: 1964-02-18
Abstract: 1,046,088. Extruding synthetic rubber. CHEMISCHE WERKE HULS A.G. Feb. 18, 1964 [Feb. 19, 1963; Oct. 12, 1963], No 6667/64. Heading B5A. In extrusion apparatus for working synthetic rubber the shaft 24 of the extrusion screw has projections 23 which sweep closely around the inside wall of the extruder barrel 13, and over the inner face of a stationary orifice plate 10, to rotate the rubber mass. Cutter blades 12 rotate with the screw shaft adjacent the outer face of the orifice plate 10. In an alternative apparatus, from which the projections 23 are omitted, the orifice plate 10 (Fig. 1, not shown) rotates with the extruder screw and has stationary cutter blades adjacent its outer surface.
Patent GB-823510-A (GB)
Title: Improvements in or relating to holders for cutters
IPC: B23C5/24
Filed: 1958-03-03
Abstract: 823,510. Milling &c. cutters. O.K. TOOL CO. Inc. March 3, 1958 [March 11, 1957], No. 6711/58. Class 83 (3). The inserted blades 3 of rotary or non-rotary cutters are tapered, and are held in tapered slots 2 of a cutter body 1 by screws 7, which screw into the body at 8, Fig. 3, and, by means of flanges 6, engage grooves 5 in the blades to lock the latter. On assembly, the blades are inserted into the slots from the facing side of the cutter, to engage adjustable locating screws 12, Fig. 5. The flanges 6, which are wider than grooves 5, allow the blades to be driven into the slots and then locked by the screws 7. To remove the blades, the screws 7 are released and a wedge is driven between the bottom of slots 2 and the blades. Concave recesses 4 serve as chip breakers.
Patent GB-755127-A (GB)
Title: Feed cam trip mechanism for gear shapers
IPC: B23F23/00
Filed: 1954-03-08
Abstract: 755,127. Gear-cutting. FELLOWS GEAR SHAPER CO. March 8, 1954 [April 20, 1953], No. 6715/54. Class 83 (3). A gear-shaping machine comprises a cutter carriage 102 by which the cutter is fed radially to depth and withdrawn to allow removal of a finished workpiece, a depth feed cam 100 on a shaft 1, primary and secondary rotating means for the shaft, and means to actuate the secondary rotating means in accordance with a predetermined rotation of the cutter and work spindles. The feed cam 100, driven by primary means through a pawl-and-ratchet or one-way clutch, not shown, moves the carriage 102, through a follower 101, to feed the work to depth and, if necessary, to dwell for one or more revolutions of the work before a recess 3 allows the carriage to be withdrawn by a weight or other means. The secondary rotating means 4 on the shaft 1 is rotated at the precise moment that the cutting is complete to add an additional rotation to the cam 100 to bring the recess quickly opposite the follower 101. The gear 4 is normally driven by the shaft 1 to rotate, through gears 5-7, a shaft 8. The shaft 8 carries a disc 27 which is adjustable by a gauge 33 and carries a stop 32. The stop 32, when cutting is complete, trips a rod 43A which pivots a lever to withdraw a plunger 43 and allow a plunger 22 to be thrust forward by a spring 23. The plunger is toothed to rotate a segment 14 which, through three ratchets 16-18 and wheel 15, adds a rotational movement to the shaft 8 and hence to the cam 100. Further rotation of the disc 27 causes the stop 32 to rotate a bell-crank 50 and reset the plunger 22 by a screw 46. In a simplified form, the cam-shaft 200 carries a cam 212 formed with an inclined face 222 which can be engaged by a similar face 221 on an arm 214 urged downwardly by a spring 216. Engagement of the faces thus causes an acceleration in the speed of the feed cam at the moment of withdrawal of the tool. The point at which withdrawal occurs is adjusted by rotating a mounting-plate 203 by gearing 207, the adjustment being indicated by a scale 210.