baber/WOPTO huggingface dataset:
Patent GB-585739-A (GB)
Title: Improvements in or relating to electrolytic recording
IPC: B41M5/20
Filed: 1944-09-27
Abstract: 585,739. Copying telegraphy. FORRESTER, H. J. C. (Faximile, Inc.). Sept. 27, 1944, No. 18447. [Class 40 (iii)] [Also in Groups XIX and XXXVI] For electrolytic facsimile recording with a stylus containing iron (preferably stainless steel with 5 per cent of molybdenum), the electrolyte comprises pyrocatechin with sodium nitrate or potassium nitrate, so that at the cathode a colloidal lake is formed by reaction of the iron and pyrocatechin in the presence of the alkaline hydroxide ions derived from the nitrate. Spreading of the recorded image may be prevented by including an acid which dissolves the lake except in the presence of the alkaline ions at the cathode. Spreading due to repulsion between the positively charged particles of the colloidal lake may be prevented by introducing negative ions whose valency is higher than that of the lake, and for this purpose the acid referred to may be phosphoric acid or an acid phosphate, citric acid or naphthol disulphonic acid. Some trivalent ions such as PO4 cause the concentration of the lake to be weakened, but this effect is countered by adding a polyhydroxy compound such as glycerine, dentrine, mannitol, citric acid, tartaric acid or a glycol. The light-coloured background of the record may become discoloured by oxidation, and to prevent such discolouration a reducing agent such as a salt of hydrazine or phenyl hydrazine (the sulphate or hydrochloride), allyl thiourea, thiourea or thiosinamine or a salt of semicarbazide (sulphate or hydrochloride), or a mixture of two or more of such agents may be added. A pentrant such as sodium alkyl sulphonate, alkylated aryl sulphonate, and the dioctylester of sodium sulpho-succinic acid, may be added to lower the surface tension during impregnation. The Specification gives eight quantitative formulae.
Patent GB-572427-A (GB)
Title: Improvements in or relating to electric heaters of the radiator type
IPC: F24H3/00
Filed: 1943-11-09
Abstract: 572,427. Electric radiators. DRYDEN & SONS, Ltd.. T., and BARRS, J. W. Nov. 9, 1943, No. 18576. [Class 39 (iii)] A radiator comprises an airtight metal casing 10 of heavy construction permanently closed at the top, bottom and sides and containing a small electric heating element 17 near the base so as to leave a space in the upper part for circulation of hot air, which is the only heat-circulating medium in the casing. Heavy ribs 11. 12 are formed on the interior or exterior walls of the cast iron casing, which has base flanges 14 bolted to a cast iron plate 13.
Patent GB-1111191-A (GB)
Title: Improvements in or relating to building structures having hollow-ended frame members
IPC: E04B1/58
Filed: 1966-04-28
Abstract: 1,111,191. Rod joints. ICKES-BRAUN GLASSHOUSES, Inc. 28 April, 1966 [20 May, 1965], No. 18595/66. Heading F2G. [Also in Divisions E1 and E2] Structural, tubular members 16, 20 of a building are interconnected by connectors 18 in the form ofa central hub 24 having a cruciform arrangement of arms 28. Each arm comprises three fingers of which the end two 56 are sorewthreaded to receive screws 60, the central finger 54 acting as an abutment for the screws to urge the fingers 54 into locking engagement with the tubular members.
Patent GB-1061105-A (GB)
Title: An arrangement for the holding constant or programming of alternating-current values
IPC: G01R17/08
Filed: 1965-05-03
Abstract: 1,061,105. Automatic control systems. C. P. GOERZ ELECTRO G. m. b. H. May 3, 1965 [May 4, 1964], No.18597/65. Heading G3R. The alternating output from a power source L is applied to a meter E having current and voltage coils which are mechanically coupled, e.g. by a shaft K to the moving coil of a second meter D which is supplied with a direct current Jx from an amplifier V; any variations in output from the source L cause movement of shaft K, this movement being detected by a device A which controls the output from amplifier V which is also connected to a regulator R. The regulator R acts on the source L until the current Jx is restored to a pre-determined value; thus, the source L is controlled in dependence upon output variations so that its output, which may be real power, reactive power, current or voltage, is maintained constant. A programme controller P may be associated with the regulator R so that the output from L may be varied in accordance with a specified timing programme. The circuit may include a constant current source associated with resistors connected to the amplifier V and the regulator R, and the operation of this modified circuit is described with reference to Fig. 2 (not shown).
Patent GB-153070-A (GB)
Title: Improvements in or relating to the spiral springs for tappet-operated valves for engines
IPC: F01L1/46
Filed: 1919-07-26
Abstract: 153,070. Langford, E. W. July 26, 1919. Valves.-Springs for tappet valves are made in two parts B, B', coiled into one another for an adjustable distance so that the load on the valve may be varied and the spring shortened easily to allow the cotter D to be removed. After adjustment, the springs are locked in position by a spring clip C slotted at C<1> to receive the outwardly-bent ends of the springs or by a stout wire fastening F, Fig. 4, the ends F<1>, F<2> of which engage notches in the ends of the springs.
Patent GB-186303-A (GB)
Abstract: 186,303. Wentworth, P. C. Sept. 19, 1921, [Convention date]. Spindle apparatus.-A traveller is formed with one or more downwardly-extending grooves or slots 3 which collect grease from the inner surface of the ring and conduct it to the foot 5 of the traveller.
Patent GB-260041-A (GB)
Title: Improvements in lehrs for annealing glassware
IPC: C03B25/06
Filed: 1925-07-22
Abstract: 260,041. Jackson, W. J. Mellersh-, (Hartford-Empire Co.). July 22, 1925. Muffle furnaces; tunnel furnaces; charging and discharging; air, supplying; casings and walls; expansion fittings.- A glass-annealing leer comprises a tunnel A built up of separate metal sections bolted end-to-end, the front sections being fornaed with cells 7 integral with the floor 4 and the rear one with these cells together with further cells 19 in the roof 6. The cells 7. 19 constitute, when the sections are assembled, heating flues C and cooling flues D, the temperature gradient in these flues being adjusted by admitting air, for diluting the heating gases, through one or more of the spaced inlets 55 and by withdrawing the cooling air from the flues D through one or more of the spaced outlets 50. The front section of the tunnel is secured at 8 to a box 9 forming an extension of the combustion chamber B and the remaining sections are supported, to permit longitudinal expansions, by rollers 12 which rest on rails 13 secured to the main girders 1. The framework 1, 2 is adjustably mounted on vertical pillars 3 and is so disposed that the leer inclines slightly from the hotter to the cooler end. The sides 5 o f the tunnel sections are secured by spacing-bolts 65 to an outer casing 64 having expansion joints 67 and between which and the tunnel is disposed heat insulating material 61 such as powdered keiselguhr. The goods are carried through the leer on a flexible openwork conveyer G driven by mechanism Hand passing, at the discharge end, over a sorting-table F.
Patent GB-1460243-A (GB)
Title: Apparatus support means
IPC: B01J8/00
Filed: 1975-05-05
Abstract: 1460243 Support structures EMTROL CORP 5 May 1975 [3 May 1974] 18743/75 Addition to 1460242 Heading F4B [Also in Divisions B1 B2 and F2] The support system disclosed in the Specification 1,460,242 of even date is modified in that the free end 26 of the horizontal support beam 22, from which multistage cyclone separators are suspended within a vessel 50, is connected to the surrounding vessel 50 by means of a pivotal connection in the form of a link 124. The angle α the link 124 makes with the vertical is calculated from predicted vertical and horizontal expansions of the beam, link and surrounding vessel 50, and is designed to maintain the beam horizontal under temperature changes normally encountered within the vessel.
Patent GB-1260249-A (GB)
Title: Improvements in or relating to power-assisted steering mechanisms, particularly for motor vehicles
IPC: B62D5/08
Filed: 1970-04-20
Abstract: 1,260,249. Power-assisted steering mechanism. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. 20 April, 1970 [24 April, 1969], No. 18753/70. Heading B7H. In power-assisted motor vehicle steering mechanism comprising a rotary input member 11  connected through a torsion bar spring 14 to a valve body 4 which is rotatably mounted in a valve housing 1 and carries control pistons 5, 6 engaged by pins 12, 13 on the input member, a spigot-type output element 7 extending from the body 1 provides for mechanical steering gear 16, 32, 52 to be mounted separately from or to be flanged on to the valve housing 1. The output element 7 may either have a pinion 51 formed thereon, or be formed with serrations 15 or carry a spur gear 26. In Fig. 1 the steering gear 16 is connected to the valve housing 1 through an intermediate flange 1<SP>1</SP>. In Fig. 3 the steering gear 32 is connected to the valve housing through an intermediate member 30 and has an input element 31 in mesh with the spur gear 26. In Fig. 5 the steering gear housing is separate from the valve housing 1 and the pinion 51 is rotatably mounted in the steering gear housing by needle bearings 54, 55 and a thrust bearing 56. A space 60 between the steering gear 52 and the valve housing 1 is sealed by an 0-ring 59. The input member 11 is connected to the steering shaft 18 by a flexible coupling 61, and the valve housing 1 is, secured against rotation by the hose connections thereto or by a flexible metal fixing means.
Patent GB-459142-A (GB)
Title: Process for the separation of oil produced by hydrogenation
IPC: C10G31/10
Filed: 1935-07-01
Abstract: In the separation of oil from the residues obtained in the destructive hydrogenation of carbonaceous materials by centrifugal treatment the separation is carried out in two or more stages the separation in one stage being carried out in one or more separators provided with mechanical devices for facilitating the discharge of the slime concentrate, e.g. as described in Specification 417,372, [Group II], while in the other stage one or more separators are used having outflow opening at the periphery but without the mechanical devices referred to.ALSO:In the separation of oil from the residues obtained in the destructive hydrogenation of carbonaceous materials by centrifugal treatment, the separation is carried out in two more stages, the separation in one stage being carried out in one or more separators provided with mechanical devices for facilitating the discharge of the slime concentrate, e.g. as described in Specification 417,372, while in the other stage one or more separators are used having outflow openings at the periphery, but without the mechanical devices referred to.
Patent GB-736644-A (GB)
Title: Improvements in darts
IPC: F42B6/00
Filed: 1953-07-07
Abstract: 736,644. Darts. GRISLEY, F. June 16, 1954 [July 7, 1953], No. 18836/53. Class 132(3). A pointed dart comprises a metal nose which carries a thin-walled hollow body of plastic, the body terminating in stabilizing fins or flights constructed integrally with the body. The wall of a dart body 8 has integrally formed helically arranged fins 9 and the nose 1 is preferably secured to the body by means of a threaded portion 6 which cuts a thread in stiffening ribs 10 formed on the inside of the body., The thread 6 is gapped to receive the ribs 10 and the body may thus be pushed over the thread and secure by a fractional turn. The body, ribs and fins are of the order of ten thousandths of an inch in thickness. Polyethylene, polyvinyl chloride, polystyrene, cellulose acetate, cellulose acetate butyrate, acrylic resin and nylon are specified for the body material. The nose or body may be of polygonal cross section and helically formed longitudinal ribs may be moulded on the outside of the body.
Patent GB-677644-A (GB)
Title: Improvements in methods and apparatus for clarifying liquids
IPC: B01D35/16
Filed: 1949-07-19
Abstract: 677,644. Filters. GRIFFIN, J. D. July 19, 1949 [July 22, 1948], No. 18939/49. Class 46 Suspended solids are removed from a liquid by causing it to flow up through a pervious medium having random interstices generally larger than the particle size of the impurities to be removed at a sufficiently low rate for the suspended solids to be retained and washing the medium at intervals by flowing washwater up through the medium at a sufficiently high rate for the solids to be swept from the medium. The rates of flow are such that the relative positions of the particles are unchanged. Effluent from sewage or trade waste biological units is introduced through pipes 16 and 15 into a chamber 20 below a filter bed 12, flows upward through the bed and passes over a wall 14 to an outlet pipe 24, a gate 25 on the wall 14 being raised. The bed comprises gravel having a diameter of the order of # inch to “ inch for removal of humus from sewage effluent, and half these sizes for industrial waste. The rate of flow is such that the frictional forces between the particles and the liquid are exceeded by the forces due to surface  attraction between the particles and the medium so that the particles accumulate in the interstices. After a period depending on the rate of accumulation of impurities, gate 25 and a valve 18 are closed and a valve 19 is opened. Washwater is delivered through a pipe 17 in such volume and at such a rate that the frictional forces between the wash-water and the particles overcome the surface attraction between the particles and the medium, the water and impurities passing over a wall 13 and through an outlet 23. When the bed has been sufficiently purified the valve 19 is closed and a gate 26 at the foot of the wall 13 is lifted to drain off the remaining wash-water. With the gravel sizes given, the rates of flow of liquid and wash-water are of the same order as is usual for sand filters, but are lower than is normal practice for filter beds composed of the above gravel sizes and which are being used in the normal way, i.e. by mechanical straining, to separate from the liquid particles commensuate in size with the gravel.
Patent GB-569681-A (GB)
Title: Adaptors or floating chucks
IPC: B23B31/08
Filed: 1943-11-15
Abstract: 569,681. Chucks and sockets. METALASTIK, Ltd., and GOLDSCHMIDT, M. Nov. 15, 1943, No. 18955. [Class 83 (iii)] A self-aligning chuck or socket has the tool-receiving member a mounted in a larger socket b by means of interposed rubber f bonded to both members. The end of the member a is convex at c and abuts either directly or through a small thickness of rubber with the end d of the socket b, which may be flat or convex. In a modification, the outer end of the rubber is curved so that the engagement with b is shorter than that with a, and axial holes are provided in the rubber to increase lateral flexibility.
Patent GB-716222-A (GB)
Title: Closure caps for liquid receptacles
IPC: F01M13/04
Filed: 1952-07-28
Abstract: 716,222. Closure caps. WESTWOOD RIM & PATENTS, Ltd., WESTWOOD, S. C., and WESTWOOD. N. F. July 14, 1953 [July 28, 1952], No. 18984/52. Class 125 (3) [Also in Group XXVII] A closure cap for the filling neck b of a receptacle such as the oil chamber of an engine crank case has an inner cylindrical part a with resilient tongue pieces c, secured to an outer cover f by tangs d and a perforated ring h secured to the inner part a the lower edge of the cover f being rolled over to form a bead m in contact with the ring. The annular space between the cover and inner cylinder contains air filtering material g and a circular plate n attached to the cover by a central rivet conceals the tangs. Gaps e in the tube a serve as air vents.
Patent GB-836400-A (GB)
Title: Improvements in and relating to electrical protective relay systems
Inventor: WARRINGTO ALBERT RUSSELL VAN C
IPC: H02H3/42
Filed: 1955-07-01
Abstract: 836,400. Protective cut-out arrangements. ENGLISH ELECTRIC CO. Ltd. July 2, 1956 [July 1, 1955], No. 19080/55. Class 38 (5). A protective arrangement comprises a crystal element 7 which exhibits the Hall effect, coils 8 energized by a polarizing signal to subject the crystal to a magnetic field in a first direction, a circuit energized by the vector difference between an operating signal and a restraint signal to cause current flow through the crystal element in a second direction at right-angles to the first direction, a filter network connected to respond to the voltage signal induced across the crystal in a third direction at right-angles to both the first and second directions to provide the direct current component of the voltage signal for energizing trip means including an amplifier to trip a circuit-breaker controlling the protected circuit. In the arrangement shown, the polarizing signal is provided by a voltage transformer 4 to which the coils 8 are connected through a capacitor 9, the coils and the capacitor being tuned to provide a resonant circuit at the supply frequency. The transformer 4 also provides the restraint signal which is set off against the operating signal derived from current transformers 5 and a transactor 6. The double frequency component of the output signal of the crystal is filtered out by a capacitor 10 and the D.C. component is applied to the amplifier comprising a transistor 13 and a transductor 14 which trips the circuit-breaker 2 when the D.C. component has the appropriate polarity, the arrangement providing a protective system with a distance characteristic.
Patent GB-669251-A (GB)
Title: Pinking machine
Inventor: CHRISTENSEN KAY
IPC: D06H7/24
Filed: 1950-07-31
Abstract: 669,251. Pinking-machines. BRISKMAN, S. July 31, 1950, No. 19092/50. Class 31 (i). A pinking-machine comprises a work-supporting surface 27 having a narrow opening 29 in which is disposed the cutting-edge of a.rotary pinking wheel 13, the opening being overlaid by an arm 31 pivotally mounted on a post 32 and provided with side arms 31a to prevent the operator's hands contacting the pinking wheel, the arm carrying at one end a presser roller 30 co-operating with the pinking wheel and at the other end an adjusting screw 35. The arm is provided with an indicator 38 to indicate the line of cutting of the pinking wheel. The post 32 is provided with deflecting surfaces 37 which separate cut edges as the work is fed through the machine. The surface 27 forms part of a housing 24 for a motor 20 which drives the pinking wheel. A slotted work guide 39 is detachably and adjustably mounted on the top of the housing by means of a screw 41.
Patent GB-596280-A (GB)
Title: New monoazo dyestuffs
IPC: C09B29/36
Filed: 1945-07-26
Abstract: Monoazo dyestuffs are manufactured by diazotizing the sulphuric ester of a m- or p-aminophenyl hydroxyalkyl ether, which may carry further nuclear substituents other than sulphonic acid, carboxyl, hydroxy or acylamino groups, and coupling with a 2- or 3-monohydroxydiphenylene oxide (the numbering of the nucleus being in accordance with the "Ring Index"), which may contain further substituents, other than sulphonic acid or nitro groups, in the aromatic nuclei, provided it remains capable of coupling. Alternatively, the free hydroxyalkyl ether is employed as diazo component, and the dyestuff is subsequently converted into its acid sulphuric ester by known methods for converting hydroxyalkyl compounds into their sulphuric esters. The products, in the form of their ammonium or alkali metal salts, dye cellulose acetate fibres and fabrics in dischargeable yellow shades from a neutral, slightly acid or slightly alkaline bath, e.g. one containing Glauber's salt or sodium chloride, and are suitable for application from "long-liquor" dyebaths such as are employed with the winch.  They are also suitable for printing cellulose acetate artificial silk and for colouring wool, silk, tin-weighted silk, leather and nylon fibres and fabrics.  Examples describe the preparation of the following dyestuffs: the sulphuric ester of p-aminophenyl b -hydroxyethyl, g -hydroxypropyl or e -hydroxyamyl ether, of 2-chloro-4-aminophenyl b -hydroxyethyl ether or of m-aminophenyl b -hydroxyethyl ether --> 2 - hydroxydiphenylene oxide; p-aminophenyl b -hydroxyethyl ether sulphuric ester --> 8-chloro- or 7-methyl-2-hydroxydiphenylene oxide, or 3-hydroxydiphenylene oxide. In a further example, p-aminophenyl b -hydroxyethyl ether is diazotized and coupled with 2-hydroxydiphenylene oxide, and the product is stirred with 80 per cent sulphuric acid.  Additional components specified are: diazo components: the sulphuric esters of 4-amino-2-methylphenyl-b -hydroxyethyl ether and p-aminophenyl d -hydroxybutyl ether; coupling components: 7-chloro-, 7-methoxy-, 8-methyl-and 7-acetylamino-2-hydroxydiphenylene oxide. Specifications 266,940, [Class 2 (iii)], and 441,407 are referred to.  Sulphuric esters of m- and p-aminophenyl hydroxyalkyl ethers are obtainable by treating the hydroxyalkyl ethers with sulphuric acid.  p-Aminophenyl e -hydroxyamyl and d -hydroxybutyl ethers are obtainable by reacting e -chloroamyl acetate and d -chlorobutyl acetate respectively with sodium p-nitrophenate in boiling aqueous medium, removing the acetyl group by hydrolysis with caustic soda and reducing the nitro group with aqueous sodium disulphide.
Patent GB-643560-A (GB)
Title: Improvements in the manufacture of cooking ovens
Inventor: GREER PERCY HOWARD
IPC: F24C7/08
Filed: 1948-07-16
Abstract: 643,560. Cooking-ovens. T R I C I T Y COOKERS, Ltd. July 16, 1948, No. 19173. [Class 126] An electrically heated oven has a sheet metal inner shell with perforated sides surrounded by an aluminium sheet outer shell, an air space being formed between the shells. Heating elements 6 are located in the base of an oven comprising an inner shell with side perforations 17 formed from panels 11A-E surrounded by an outer shell composed of panels 13, an air space C being formed between the two shells. External sheet steel sides 10 are provided, that on one side having an inwardly directed flange for abutment against a front panel (not shown) which carries switch gear and a plug socket. An oven cover 14 in which heating devices 6A are arranged, is so made that water &c. is prevented from reaching the inside of the cooker. An oven door (not shown) comprising an outer panel, an inner panel and a dividing panel is hinged about the base and may be used when open as a support for articles to be placed in or removed from the oven. A hot cupboard 19 with a similar door is provided beneath the oven from which it is separated by a horizontal partition 20.
Patent GB-793634-A (GB)
Title: Improvements relating to guides for sliding windows
Inventor: OLDHAM FRED ALEXANDER MAUGHAM
IPC: E06B3/44
Filed: 1955-07-02
Abstract: 793,634. Sliding window guides. HAL-- LAM, SLEIGH and CHESTON, Ltd. July 4, 1956 [July 2, 1955], No. 19211/55. Class 20(3) The effective width of a sliding window panel, particularly for vehicles, may be adjusted to compensate for variations in the width between the guides. Frame side members 3, of H cross-section contain in an inner channel 4 a pane of glass 1 and in an outer channel 5, members 6 and 7. The member 6 has ramps 8 and 9 which co-operate with ramps 11 and 12 on the channel member 7 which itself engages with the guide member 13 surrounding the aperture in which the window is fitted. By adjusting a screw 16 the longitudinal position of the member 6 is varied, thus altering the relative positions of the ramps 8, 12 and 9, 11, the lateral position of the member 7 and hence the effective width of the sliding window panel. Pins 23 fixed to the sides of the channel 5 and engaging in lateral slots 24 in the channel 7 permit only restricted lateral and no longitudinal movement of the channel 7. In a modification, Fig. 5, the member 7 is replaced by an H-section member 7a with a channel 27 in which a rib 26 on the outer frame engages. The adjusting means may be provided at only one side of the window.