baber/WOPTO huggingface dataset:
Patent GB-470770-A (GB)
Title: Improvements in or relating to electric discharge lamps
IPC: H01J61/33
Filed: 1936-02-20
Abstract: 470,770. Discharge lamps. GENERAL ELECTRIC CO., Ltd., FRANCIS, V. J., and RYDE, J. W. Feb. 20, 1936, Nos. 5144/36, 5889/36, 5892/36, and 946/37. [Class 39 (i)] In a high pressure mercuryvapour lamp in which the light is not required to be projected in some directions and in which the discharge column is unstable inso far as voltage, length of discharge path, pressure, &c. go, the column is retained in place by forcing it by convection-currents, a magnetic field &c. against a partition of refractory material, or a portion of the wall of the lamp or internal partition that is specially cooled. The refractory partition may be a V-shaped plate of sintered thoria and the column be driven into the apex of the V. Fig. 2 shows an internal partition 5 having a narrowed portion 6 into which the column is driven, cooling fluid passing through the space 7 above the partition. The first Provisional Specification shows other shapes of partition suitable for use in this way. Fig. 3 shows an envelope to the upper part of which is applied a metal member 8 having a water passage 9, or the cooling may be effected by air-cooled fins. The second Provisional Specification shows a refractory partition with tungsten blades projecting therefrom, but the Complete Specification states that this has been found to be unsatisfactory. Specifications 392,509, 431,923, 434,919, and 444,545 are referred to.
Patent GB-824135-A (GB)
Title: Improvements in or relating to apparatus attached to containers to dispense measuredquantities of a loose substance
IPC: G01F11/24
Filed: 1957-02-15
Abstract: 824,135. Delivering measured quantities of powdered material. BARTLETT, C. L. May 14, 1958 [Feb. 15, 1957; March 15, 1957], Nos. 5160/57 and 8546/57. Class 106(5) A dispensing apparatus for delivering measured quantities of loose substances comprises a container 4 having a base 5 apertured or flanged to form pockets 6 of a total volume equal to the volume to be dispensed, apertured plates 10, 11, being arranged above and below the base and secured together by bolts 12 and jointly movable by a lever 7, the apertures 13, 14 in the plates being so located that those in the upper plate register with, the pockets in the base 5 when those of the lower plate are out of register but when the lever is moved to the dispensing position the apertures of the lower plate are brought into register with the pockets, the blank portion of the upper plate having meanwhile moved into position between the container and the base. To prevent jamming, a clearance is provided between the base and the inner plate to accommodate a layer of the loose substance. Several containers may be mounted on a single bracket 21. The second Provisional Specification describes a movable plate having spaced holes sandwiched between a fixed plate and the base of the container and also having an additional plate inside the container for stirring the loose substances. For distribution of only part of the total volume of the measuring chamber, an adjustable stop or index notches may be provided or the bottom plate may have only one hole.
Patent GB-684650-A (GB)
Title: Improvements in or relating to polymethine dyes
Inventor: KENDALL JOHN DAVID
IPC: G03C1/14
Filed: 1951-03-05
Abstract: Dyes of the general formula <FORM:0684650/IV (c)/1> wherein R1 and R3 are each an alkyl, hydroxyalkyl or aralkyl group, R4 is an alkyl, cycloalkyl, aralkyl or aryl group, D1 and D2 are each the residue of 5- or 6-membered heterocyclic nitrogen nucleus, and m, n, x, and y are each 0 or 1, are prepared by treating with a strong base (e.g. an alkali hydroxide or alkoxide) dyes of the general formula <FORM:0684650/IV (c)/2> Dyes of the general formula <FORM:0684650/IV (c)/3> wherein R5 is an alkyl or aralkyl group, are prepared by treating dyes of the first-mentioned general formula with a compound R5X, wherein X is an acid radicle. 1 : 3 - Bis - (3 - methyl - 2 : 3 - dihydrobenzthiazolylidene) - 2 - phenyliminopropane is prepared by adding aqueous sodium hydroxide to a methanol suspension of 3 : 3) - dimethyl - 9 - anilinothiacarbocyanine bromide.  1-(3-Methyl-2 : 3 - dihydrobenzthiazolylidene) - 3 - (3 - ethyl - 2 : 3 - dihydrobenzthiazolylidene) - 2 - phenyliminopropane, 1 - (3 - methyl - 2 : 3 - dihydrobenzthiazolylidene) - 3 - (3 - ethyl - 2 : 3 - dihydrobenzthiazolylidene) - 2 - (4 - ethoxyphenylimino) - propane, 1 - (3 - methyldihydrobenzthiazolylidene) - 2 - cyclohexyliminopropane, 1 - (3 - methyldihydrobenzthiazolylidene) - 3 - (3 - ethyldihydrobenzthiazolylidene) - 2 - methyliminopropane, 1 - (3 - methyldihydrobenzoxazolylidene) - 3 - (3 - ethyldihydrobenzthiazolylidene) - 2 - p - tolyliminopropane, 1 - (1 : 3 : 3 - trimethylindolinylidene) - 5 - (3 - methyldihydrobenzthiazolylidene) - 4 - p - ethoxyphenylimino - 2 - pentene, 1 - [1 - methyldihydroquinolylidene - (2)] - 3 - (3 - ethyldihydrobenzthiazolylidene) - 2 - p - tolyliminopropane, and 1-[1-methyldihydroquinolylidene-(2)] - 3 - (3 - methyldihydrobenzthiazolylidene) - 2 - p-tolyliminopropane are similarly prepared.  3 - Methyl - 31 - ethyl - 9 - (methylanilino) - thiacarbocyanine iodide is prepared by boiling 1 - (3 - methyl - 2 : 3 - dihydrobenzthiazolylidene) - 3 - (3 - ethyl - 2 : 3 - dihydrobenzthiazolylidene) - 2 - (phenylimino) - propane with methyl iodide or by heating the material with methyl p-toluenesulphonate, dissolving the melt in methanol, and precipitating the iodide by adding aqueous potassium iodide.  3 - Methyl - 31 - ethyl - 9 - (ethylanilino) - thiacarbocyanine iodide, 3-methyl-31-ethyl-9-(4-methyl p - phenetidino) - thiacarbocyanine perchlorate, 3 - methyl - 31 - ethyl - 9 - methylcyclohexylaminothiacarbocyanine iodide, 3-methyl-31-ethyl - 9 - dimethylaminothiacarbocyanine perchlorate, 3 - methyl - 31 - ethyl - 9 - methylethylaminothiacarbocyanine perchlorate, 3 - methyl - 31 - ethyl - 9 - methylbenzylaminothiacarbocyanine perchlorate, 3 - methyl - 31 - ethyl - 9 - methyl - p - toluidinoxathiacarbocyanine perchlorate, 1 : 3 : 3 : 31 - tetramethyl - 11 - methyl - p - phenetidinoindothiacarbocyanine iodide, and 3 - methyl - 31 - ethyl - 9 - (methylanilino) - thiacarbocyanine iodide are similarly prepared.
Patent GB-676746-A (GB)
Title: Improvements in the preparation of photographic emulsions
IPC: G03C1/015
Filed: 1949-02-25
Abstract: 676,746. Photographic emulsions. KODAK, Ltd. (Eastman Kodak Co., Jones, J. E., and Ballard, A. E.). May 25, 1950 [Feb. 25, 1949], No. 5263/49. Addition to 676,745. Class 98 (ii). In the preparation of a photographic silver halide emulsion according to the parent Specification, ammoniated silver oxide stabilized against violent decomposition is prepared by dissolving silver oxide in an aqueous ammoniacal solution in the presence of an ammonium salt of an oxygen-containing acid, e.g. ammonium nitrate, carbonate, sulphate, citrate, acetate, or oxalate. The addition also reduces the tendency of the solution to deposit silver, and, in the case of ammonium carbonate, reduces the quantity of ammonia required. In an example, ammonium carbonate solution is added to washed silver oxide, and ammonia is then added to bring the silver oxide into solution. Silver halide is precipitated by adding this solution to an aqueous solution of gelatin, ammonium bromide, and a small amount of potassium or ammonium iodide, and excess ammonia and substantially all of the ammonium carbonate are removed by passing the mixture through a vacuum apparatus as described in the parent Specification. The preparation of the emulsion is completed in the usual manner. The precipitation of the silver halide may be effected by reacting an aqueous ammonia solution of silver oxide in the presence of gelatin and the ammonium salt with one or more alkali metal or alkaline earth metal halides (e.g. sodium or calcium bromide), with hydrobromic or hydrochloric acid, with ammonium bromide, chloride, or iodide, with pyridinium hydrobromide, or with a halide of formula RR 1 R 1  R 1 NX, wherein X is a halogen atom and R-R 3  are each a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, the total number of carbon atoms in the R groups being from 0 to 4.
Patent GB-274753-A (GB)
Title: Improvements in or relating to means for transferring the matrices from the first elevator to the second elevator of a matrix composing and type-line casting machine
IPC: B41B11/18
Filed: 1927-02-24
Abstract: 274,753. Linotype & Machinery, Ltd., (Mergenthaler Setzmaschinen Fabrik Ges.). Feb. 24, 1927. Distributing matrices. - A spring-controlled stop or resistant is provided at the point at which the matrices are transferred from the first elevator 2, Fig. 1, to the lifter-bar 4 of the second elevator, in order to prevent thick matrices from tilting and consequently failing to engage the lifter-bar. In one form, the resistant consists of a leaf spring 8, which is carried by a lever 10, pivoted on the transfer channel 3, and is adapted to bear against the foot or the lower lugs of the leading matrix. The resistant is normally held by a spring 13, Fig. 2, against an abutment 12, and is pushed back by the advancing line into an inclined position, in which it is held bv a spring detent 14, so as to clear the feet of the matrices. The descent of the first elevator restores the resistant to operative position by engaging the lower end of 'the lever 10. In a modification, the resistant is held in position by a spiral spring serving as a friction brake, and, after being pushed back by the matrix line is restored to operative position by a pawl on the line-shifter link. The resistant may be in the form of a roller, or two rollers may be carried at opposite ends of a pivoted arm, which is held in place by a spring detent engaging a notched disc. In this form, the resistant is restored to position by engagement of the lower roller by the first elevator during its descent.
Patent GB-556442-A (GB)
Title: Crushing machinery
IPC: B02C2/06
Filed: 1942-04-21
Abstract: 556,442. Crushers. TRIGGS, W. W. (Stearns G. B., and Snevily, R. ST. C.). April 21, 1942, No. 5338. [Class 59] A multi-stage gyratory crusher having a number of heads of increasing diameter mounted on the same shaft and a ring-shaped concave surrounding each crushing head is provided with independent means for adjustment between each head and its concave. The crusher is of the type described in Specification 524,404, and in one form the adjustment is effected by moving each concave vertically. For this purpose, the concaves 15, 16, 17, are provided with bolts 25, 26, 27, set screws being provided and the concaves being clamped in their adjusted positions by tapered, arcuate wedges 31, 32, 33, operated by bolts 28, 29, 30. As shown, the tops of the concaves engage behind overhanging lips 13a formed on the frame to prevent powder entering the spaces above the wedges ; these ledges may be omitted. In' another form the concaves are mounted between upper and lower removable shims to effect the adjustment. In a two-stage crusher the lower concave is fixed and the adjustment effected by raising or lowering the head, the upper concave being adjustable as before. In this form radial holes may be formed in the casing between the concaves for effecting the adjustment of the upper concave; the holes, which also serve for inspection, are provided with covers.
Patent GB-1458574-A (GB)
Title: Colouration process
IPC: C09B1/50
Filed: 1974-02-06
Abstract: 1458574 Dyeing polyester and cellulose acetate YORKSHIRE CHEMICALS Ltd 16 Jan 1975 [6 Fab 1974] 05403/74 Heading D1B Polyester and cellulose acetate fibres are dyed with water-insoluble anthraquinone dyes of formula in which R<SP>1</SP> is -O- or -NH-, R<SP>2</SP> is an arylene group, R<SP>3</SP> is a saturated or unsaturated aliphatic radical having 1 to 3 carbon atoms, R<SP>4</SP> is chlorine or bromine, and X is 1 or 2, the nuclei A and B and the arylene group and aliphatic radical being optionally further substituted but not by sulphonic or carboxylic acid groups, there being no aftertreatment with a weakly alkaline substance. Secondary cellulose acetate, cellulose triacetate and polyethylene terephthalate fibres may be dyed using a boiling water bath and carrier or under pressure at 125‹-140‹C or by padding an aqueous dispersion onto the fabric, drying and heating at 200‹C for 30 seconds. Roller or screen printing may also be employed. Organic solvent dispersions of the dyes in e.g. trichloroethylene, tetrachloroethylene, and carbontetrachloride are similarly employed.
Patent GB-905890-A (GB)
Title: Steroid compounds
IPC: C12P33/10
Filed: 1959-02-18
Abstract: The invention comprises steroid compounds of the general formula <FORM:0905890/IV (b)/1> wherein R represents an alkyl group and each of R1 and R11 represents hydrogen or a hydroxy group, and the preparation thereof by subjecting compounds of the general formula <FORM:0905890/IV (b)/2> wherein R, R1 and R11 have the above significance to the action of an oxygenating enzyme produced by growing an oxygenating strain of an organism of a genus Dactylium, Gliocladium, Didymocladium, Curvalaria, Spondylocladium, Colletotrichium, Neurospora, Chaetomium, Aspergillus, Penicillium, Irpex, Mucoraceae, Mucor, Rhizopus, Absidia, Helicostylium and Cunninghamella.  11a ,17a ,21 - Trihydroxy - 16a  - alkyl - 4 - pregnene-3,20-dione is prepared by subjecting 16a -alkyl - 11a  - hydroxy-4-pregnene-3,20-dione to microbial 17a - and 21-hydroxylations using Trichothecium viride and Wojnowicia graminis respectively, or by subjecting 11a , 17a -dihydroxy-16a -alkyl-4-pregnene-3,20- to a microbial 21 - hydroxylation using Wojnowicia graminis.
Patent GB-562369-A (GB)
Title: Improvements in and relating to mining machines
IPC: E21C25/24
Filed: 1942-04-27
Abstract: 562,369. Mining machines. SULLIVAN MACHINERY CO. April 27, 1942, No. 5630. Convention date, April 17, 1941. [Class 68 (i)] A mining machine comprising a frame 1 mounted on a skid plate 2, has integral therewith the casing 7 of a horizontal electric motor comprising compound wound field coil assemblies 11 and commutating pole and coil assemblies 12, the lower part of which lies within the orbit of the cutter chain. The armature shaft 10, Fig. 4, drives the cutter chain through bevel gears 13, 14, hollow shaft 15, internally-toothed clutch member 18, shaft 16 and sprocket 22 ; the clutch member 18 is adjusted by handle 27 acting through crank 25 and shipper 23 pivoted at 24. The hollow shaft 15 has a worm 39 driving a worm-wheel 40 on a shaft 41, Fig. 6, carrying pinions 43, 50, pinion 43 being adapted to drive the haulage feed drum 31 through internal gear 44, disc clutch 47, pinion 48 and internal gear 49, while pinion 50 is adapted to drive a retarding drum 32 through pinion 51, disc clutch 54, pinion 55 and internal gear 56 ; the disc clutches 47, 54 are controlled by levers 69 extending rearwardly along the top of the machine and acting through cranks 67, ballbearing thrust rolls 66, and shippers 64 pivoted at 63, the shipper controlling disc clutch 54 being also adapted, when the clutch is disengaged, to operate a friction disc brake 57 controlling the retarding drum 32. The drums 31, 32 are mounted on eccentric bushings which may be adjusted to disengage gears 48, 49 or 55, 56. The drums 31, 32 and their driving gearings are carried by detachable brackets 37, 38, and by substitution of new brackets, the drums may be transposed so that the machine may operate in the opposite direction. The shaft 41 also carries a pinion 72 adapted, through pinion 73, shaft 74, gears 76, 77, disc clutch 79, shaft 80 and chain sprocket 81, to drive a transport truck for the machine ; the clutch 79 is controlled by a shipper 82 which is applied by a pivoted lever 87 and released by a coil spring 86. The cutter bar comprises side bars 90, Figs. 8 and 10, riveted &c. to top and bottom plates 91, 92 forming chain guides, the bars 90 having rear wedge-shaped extensions 99 adapted to slide in wedge-shaped guide ways 100, Fig. 5, formed between the motor casing 7 and a step plate 95 riveted &c. to the skid plate 2 and provided with a longitudinal groove 96 which receives a downward projection 97 on the motor casing 7, the latter being fixed to the step plate as by screws 98. Liners 103 are secured to the motor casing 7 and the step plate 95 to form extensions of the cutter-chain guide-ways. The cutter bar is secured to a hanger 107, Fig. 4, slidable in the step plate groove 96 and adjusted by suitable means to tighten the cutter chain.
Patent GB-718134-A (GB)
Title: Improvements relating to girders, particularly for use in mine-roof supports
IPC: E21D17/01
Filed: 1952-03-04
Abstract: 718,134. Mine roof supports. DIRECTIE VAN DE STAATSMIJNEN IN LIMBURG. March 4, 1952 [March 8, 1951], No. 5646/52. Addition to 711,648. Class 20 (2) A box-section mine roof girder comprises upper and lower flanges 1, 2, Figs. 2, 3 welded to vertical webs 3, 4 which increase in height towards the place at which the girder is adapted to be supported by a pit prop 5. At this place the upper flange 1 is widened to form an upper supporting surface 6 as described in the parent Specification, and is supported by lateral webs 7, 8. At its ends the girder is provided with a hole 9 and pin 10 for connecting successive girders to each other.
Patent GB-1168064-A (GB)
Title: An Improved Inspirator Assembly for a Gasburner
IPC: F23D14/00
Filed: 1968-02-05
Abstract: 1,168.064. Burners. HAUCK MFG. CO. 5 Feb., 1968 [8 Feb., 1967], No. 5654/68. Heading F4T. In a fuel gas-air mixing system for a gas burner, gas is supplied under pressure through a duct 20 having a supply conduit 24 so as to issue substantially radially through a slot 34 defined between the end 30 of the duct and a guide 32 having a surface which progressively recedes downstream, and air entering the open end of housing 10 is caused to flow toward the hemispherical end surface of guide 32 to be entrained in the gas stream. A flame holder may be attached to the end of housing 10 to prevent flashback. In a modification, Fig. 6, a conventional liquid fuel atomizer 70 is mounted in the tip of guide 32.
Patent GB-934800-A (GB)
Title: Depth gauges
IPC: G01C13/00
Filed: 1961-02-15
Abstract: 934,800. Measuring pressure. NATIONAL RESEARCH DEVELOPMENT CORPORATION. April 13, 1962 [Feb. 15, 1961], No. 5671/61. Class 106 (2). A device for measuring the hydrostatic pressure below the surface of a liquid comprises a body 40 (Fig. 5) forming, with a recessed valve member 48, a cavity 49 which initially (during immersion of the device) communicates with the exterior at 45 by way of a labyrinth of vertical bores 42 (Fig. 4) and connecting channels 43, and which is then triggered by pulling the rope to take up the slack 60 and thus slide upwards the body 40 and seal off from the cavity the inner end of the labyrinth channel. The device is held in this condition by spring clips 63 and 64 which snap over cap 55 during the triggering movement. Liquid has entered at the outlet end 45 to compress the trapped air, and when the device is lifted out of the liquid the trapped gas expands with decreasing pressure expelling some of the liquid. The pressure Pa at depth a is given by where Vc = volume of channel; Vw = volume of water remaining in the gauge and Po in the atmospheric pressure. In another embodiment (Fig. 2) pull on the rope pivots a trigger 28 to free a spring-loaded rotatable valve member 17-23. The cavity 11 in this case is formed by adjusting a screw 18 in a bore below the valve member.
Patent GB-248396-A (GB)
Title: Improvements in and relating to vapour electric rectifiers and the like
IPC: H01J13/26
Filed: 1926-03-01
Abstract: 248,396. British Thomson-Houston Co., Ltd., (Assignees of Prince, D. C.). Feb. 28, 1925, [Convention date]. Metallic-vapour apparatus.-In mercury-vapour rectifiers and like vapour apparatus with an anode sealed through an opening in a metallic or other envelope, the seal comprises upper and lower metal parts 15, 16 connected together by a glass or vitreous sleeve 17 and the anode 7 is supported in the opening 2 by a metal part 5 and connected to the part 16 by a flexible or yielding conductor 18 passing through the sleeve 17, expansion of the lead 8 being thus allowed for and the weight of the anode prevented from bearing on the seal. The opening 2 in the metal wall may have two flanges 3, 4, the part 5 resting on the flange 3 and the part 15 being clamped against an aluminium or other ring 24 on the flange 4 by a ring 22. The lead 8 is surrounded by a porcelain insulator 9 between shoulders 10, 11, the insulator 9 being held against the part 5 by flanged members 12, 13. The lead 8 is screwed into the anode 7 and the conductor 18 is detachably connected to the part 16 and lead 8 by screw-threads 19 and screws 20, 21. The part 5 is integral with, or permanently fastened to, an anode shield 6 and the opening 2 is connected the interior of the rectifier by a vent 14. The part 16 is flanged as shown and the parts 15, 16 are of chrome iron or other alloy with similar coefficient of expansion and with a surface oxide combining readily with glass.
Patent GB-1181354-A (GB)
Title: Improvements in or relating to fishing nets
Inventor: GODDARD CECIL JOHN
IPC: A01K77/00
Filed: 1968-02-05
Abstract: 1,181,354. Landing net. F. GODDARD & CO. Ltd. 14 Jan., 1969 [5 Feb., 1968], No. 5699/68. Heading A1A. A landing net has a ring 3 to which the mouth of the net is attached the region of the attachment being protected by a hoop 4. The hoop 4 is made by a length of plastics tubing slit longitudinally so that it can be placed over the ring, whereafter the slit may be resealed as by glueing &c. The bottom of the net carries a metal frame 2 to which weights may be attached. The ends of support cords 5 may be secured by lengths of plastics tubing 7.