baber/WOPTO huggingface dataset:
Patent GB-1402341-A (GB)
Title: Self-adaptive equaliser
IPC: H04L25/03
Filed: 1972-06-28
Abstract: 1402341 Automatic equalizers NIPPON ELECTRIC CO Ltd 28 June 1972 [28 June 1971] 30329/72 Heading H4R The transversal equalizer of Specification 1,402,022 for equalizing demodulated pulse signals from a quadrature amplitude modulated system is arranged for automatic adaptation during normal transmission. As shown the equalizer comprises delay stages 21-29, tap multipliers 30-39, and summers 41, 42, from which the equalized outputs of the two channels are obtained. A threshold device 44 quantizes the output to the most likely transmitted value and a subtractor 45, connected between the input and output of the threshold device 44, produces an error signal. The error signal is correlated in multipliers 70-79 and adders 80- 89 with the output of the threshold device, after it has been passed through the delay stages 50-59 or 60, 69. The result of the correlation is multiplied with the stored main value samples in multiplier 94 and, in a similar way to that used in the equalizer of Specification 1,402,022, a selector 95 adjusts the tap multipliers for either the same channel response adjustment or the cross-talk response adjustment by a step in the appropriate direction. The stepping switches 91, 92, 96, 97 are operated synchronously so that the adjustment of the tap multipliers is carried out in response to an adjustment value derived from the appropriate part of the impulse response again. As in the equalizer of Specification 1,402,022, the main tap may be adjusted to a reference output value or may be preset to a predetermined value as in Fig. 6 (not shown).
Patent GB-505186-A (GB)
Title: Improvements relating to the regeneration of a hydroxyl exchanger suitable for purifying water
IPC: B01J49/08
Filed: 1937-11-05
Abstract: 505,186. Purifying water. I. G. FARBENINDUSTRIE AKT.-GES. Nov. 5, 1937, No. 30368. Convention date, Nov. 24, 1936. [Class 46] In the process of removing salts from water by successive passage through a hydrogen exchange material and a hydroxyl-exchange material, the hydroxyl-exchange material, after regeneration by treatment with alkali, is washed with water passed through from the hydrogen-exchange material towards the end of the period of use of the latter, which water will contain sodium ions but will be free from calcium ions.
Patent GB-393478-A (GB)
Title: Improvements in mercury switches
IPC: H01H29/22
Filed: 1932-10-29
Abstract: 393,478. Mercury switches; electric signalling systems. GARBARINI, A., 23, Rue de Colombes, Courbevoie, Seine, France. Oct. 29, 1932, No. 30386. Convention date, Oct. 31, 1931. [Class 38 (v).] A mercury switch comprises a gas-filled glass envelope 1 formed as a solid of revolution about the axis XY and having electrodes A, B sealed in so as to be bridged by a pellet of mercury M in one position as the envelope is rotated or oscillated about the axis XY, the caps 2, 3, to which the electrodes are connected, serving as pivots. A weight 6 is provided to counterbalance the electrodes so as to reduce the operating force to a minimum. Any number of electrodes may be provided. In a modification, a number of electrodes are provided with bent round ends to give a succession of contacts of different periods to give a Morse signal. In another modification one of the electrodes is suitated in a well formed in the envelope so that the break occurs between two masses of mercury.
Patent GB-511168-A (GB)
Title: Process for producing smokeless coal briquettes
IPC: C10L5/08
Filed: 1937-11-05
Abstract: 511,168. Carbonizing processes. HUMBOLDT-DEUTZMOTOREN AKT.-GES. Nov. 5, 1937, No. 30409. Void. Convention date, Nov. 6, 1936. [Class 55 (i)] To obtain smokeless coal briquettes, coal of about 0-8 mm. fineness is heated up to a temperature (about 400‹-425‹) at which distillation is practically finished and left in the retort for about “-¥ hour at this temperature whereupon it is at once briquetted under a pressure of e.g. 300 atmospheres.
Patent GB-465273-A (GB)
Title: Improvements in or relating to electric condensers
IPC: H01G5/18
Filed: 1935-11-04
Abstract: 465,273. Condensers. GENERAL ELECTRIC CO., Ltd., and SPEIRS, R. W. Nov. 4, 1935, No. 30434. [Class 37] In a trimming condenser of the kind having two or more plates 2, 5 mounted on an insulating base 1 and separated by insulating material 6, with adjustable means, such as a screw 7, for varying the distance between the plates, the plate 2 next to the insulating base is made thick enough to be rigid without support from the base and is connected to the base at one end only. The plates and insulating sheets are secured to the base by a pair of rivets 3, the thick plate 2 being separated from the base by washers 4. The screw 7 works in the plate 2, and is formed at one end with a head 8 which bears on the upper flexible plate 5 through a washer 14. Saw-cuts are provided at each end of the screw for rotating it. A pair of trimming condensers may be mounted side by side on the same base-plate.
Patent GB-991787-A (GB)
Title: Aqueous solutions of organo-silicon compounds
IPC: C08G77/00
Filed: 1961-08-23
Abstract: Aqueous solutions of silanols of the formula <FORM:0991787/C3/1> where R is a C1- 4 alkyl radical, M is a divalent hydrocarbon radical having at least 2 carbon atoms, n is 0 or 1, m is 1 or 2 and m+n is 1 or 2, and of their water-soluble condensation products, are prepared by reacting compounds of the formula <FORM:0991787/C3/2> where R1 is alkyl, aryl, alkaryl, or aralkyl, with water. The starting materials are cyclic or polymeric compounds and are disclosed in Specification 991,786.  They may be directly distilled into water or dissolved in hot water which may be acidified.  They may also be reacted with an alcohol, introducing other alkoxy groups into the molecule, before hydrolysis. Other water-soluble solvents may be added.  The concentration of silanol in water is between 0.1 and 10%.  In the examples:  (1) alkaline re-esterification of g -acetoxypropylmethyldiethoxysilan gave <FORM:0991787/C3/3> which on heating yielded the monomeric cyclic compound; this was distilled into water: (2) the cyclic compound of (1) polymerized on standing and was added dropwise to aqueous HCl: (3) 1-methyl-1-ethoxy-1,2-siloxacyclopentane in predominantly polymeric form was mixed with ethanol and added to 0.01 N HCl; (6) as in (3), the acid being maleic; (7) 1-methyl-1-ethoxy-1, 2-siloxacyclohexane is dissolved in 0.001 N HCl to give a solution of d -hydroxybutylmethylsilanediol and ethanol; concentration of the solution yielded <FORM:0991787/C3/4> (8) 1,1 - diethoxy - 1,2 - siloxacyclopentane was heated with N/CO H2SO4 under reflux and the acid removed by Ba(OH)2, to give a solution containing g -hydroxypropylsilane triol together with other condensation products. Uses:  impregnating textiles and paper.  Specification 945,181 also is referred to.ALSO:Textiles and paper may be impregnated with aqueous solutions of hydroxyalkyl silanols of the formula <FORM:0991787/D1-D2/1> where R is a C1-4 alkyl radical, M is a divalent hydrocarbon radical having at least 2 carbon atoms, n is 0 or 1, m is 1 or 2 and m + n is 1 or 2 (see Division C3). Specifications 945,181 and 991,786 are referred to.
Patent GB-666466-A (GB)
Title: Production of calcium chromate
IPC: C01G37/14
Filed: 1949-11-28
Abstract: Calcium chromate is produced by a cyclic process involving (1) reacting sodium chloride and ammonium bicarbonate to produce sodium bicarbonate and ammonium chloride, (2) reacting the ammonium chloride with calcium hydroxide to produce calcium chloride, and ammonia which is reacted with carbon dioxide in an aqueous liquid to regenerate ammonium bicarbonate for re-use at (1), (3) roasting chromate ore, concentrates, e.g. with sodium (bi)carbonate at 750-1,100 DEG C in the presence of air to produce sodium chromate, which is reacted with the calcium chloride produced at (1) above, to produce calcium chromate, and sodium chloride for re-use at (1).  Sodium chromate leached from the roasting charge may be used as the solution so produced, or after concentration, or after evaporation to dryness, the reaction with the calcium chloride solution occurring at the normal boiling point, or at, say, 120-135 DEG C and 15-30 per square inch.  Complete removal of the calcium chromate from the circulating liquor is not necessary.  The lime used at (2) above may be added in solid form or as an aqueous suspension.
Patent GB-213880-A (GB)
Title: Improvements in internal combustion engines
IPC: F02B41/00
Filed: 1923-12-04
Abstract: 213,880. Frandsen, A. April 7, 1023, [Convention date] Void [Published under Sect. 91 of the Act]. Driving-gear.-In order to make the first part of the outstroke of the piston slower than normal, two connecting- rods 7, 8 are pivotally connected at 14, 13 to a heartshaped link 9 pivoted at 12 within the piston. The connecting-rods 7, 8 are connected to crank-pins 11, 10 at the same radial distance from the shaft 6. The connecting- rod 8 may be forked and connected to pins 10 on either side of the pin 11.
Patent GB-1181445-A (GB)
Title: Improvements in or relating to methods of balancing the weight distribution of an engine and transmission unit by means of vehicle accessories.
IPC: B62D43/02
Filed: 1967-07-03
Abstract: 1,181,445. Mounting vehicle accessories on engine units. AUTOMOBILES PEUGEOT. 3 July, 1967 [31 Aug., 1966], No. 30532/67. Headings B7H and B7J.  In a vehicle having an engine-transmission unit M a support 1 is formed integrally with, bolted to, or resiliently mounted on the engine casing in such a position that a space wheel R, radiator, battery or other accessory rigidly fixed to the support causes the centre of gravity G of the assembly to lie in the plane containing the cylinder axes. The transmission d is shown to one side of the engine e and abutments 6, 7 prevent excess vibration. The engine may be mounted with its cylinders horizontal and the accessory mounted about it to act as a damper to absorb vibrations.
Patent GB-1156302-A (GB)
Title: Photographic Backing Paper
Inventor: DELAVENNAT PIERRE-ALBERT
IPC: G03C3/02
Filed: 1966-07-07
Abstract: 1,156,302. Coating. KODAK Ltd. 7 July, 1966 [7 July, 1965], No. 30546/66. Heading B2E. [Also in Divisions B5 and G2] Opaque photographic backing paper is made by printing indicia on one side of a coloured paper base and thereafter applying a layer of black pigmented polyethylene to the reverse side so as to render the base opaque. The polyethylene may be modified by the addition of plasticisers, polyisobutylene, styrene-butadiene copolymers, acrylonitrile-butadiene copolymers, natural rubber, butyl rubber, microcrystalline waxes and paraffin wax. The preferred pigment is carbon black. The pigmented polyethylene may be applied by extruding a molten layer on the paper base and thereafter calendering the layer. Alternatively a film of the pigmented polyethylene may be laminated to the paper. The paper may be plain or integrally coloured. In the case of plain paper a light coloured layer may be coated on one side, and indicia printed thereon prior to application of the polyethylene. The printed indicia may be overcoated with a neutral transparent layer.
Patent GB-520728-A (GB)
Title: An improved process and apparatus for the manufacture of fuel briquettes
IPC: C10L5/02
Filed: 1938-10-25
Abstract: 520,728. Agglomerating fuel. REPETZKI, K. Oct. 25, 1938, No. 30817. Convention date, March 22. [Class 50] Briquettes are obtained from coal dust or mixtures thereof with coke dust without the use of binding agents by raising the temperature of the material to the agglomerating temperature by pressure, preferably in an extrusion press, the material being then cooled under pressure. The pressure is between 600 and 1,000 kg. per square c.m. and a temperature of about 400‹ C. is attained. The material may be preheated to a temperature at which tar is distilled. The material is preheated in a drum. A from which it is fed through an opening C into the chamber D of a press E, a plunger F compressing the material and pushing it against the frictional resistance through the bore, and through a chamber H with a cooling jacket E<SP>1</SP>. To increase the pressure. the outlet J may be closed periodically. Oil or steam may be supplied as a lubrirant.
Patent GB-784790-A (GB)
Title: Improvements in apparatus for inverting sheet-like articles, for example during delivery
IPC: B65H15/00
Filed: 1954-10-26
Abstract: 784,790. Sheet-delivery apparatus. IGRANIC ELECTRIC CO., Ltd. Oct. 26, 1954 [Nov. 5, 1953], No. 30852/54. Class 100(1) Apparatus for inverting sheets comprises a main conveyer 12 supported on rollers 14 and an inverting conveyer 16 adapted to direct the sheets 43 against a fixed stop 22 to reverse their directions of motion and direct them back on the conveyer 12 in an inverted condition. Co-operating with the conveyer 16 are pressure rollers 18, 20 to prevent slippage of the sheets during their direction upwards by the conveyer 16 to the stop 22. When the leading edge of a sheet reaches the stop 22 the trailing edge rides over a roller 26 on which the conveyer 16 is mounted and the sheet is subsequently re-delivered to the conveyer 12 with its initially trailing edge now leading. A photo-electric counting mechanism 40, 42 is provided adjacent the apex 38 of the stop 22. Instead of the pressure rollers 18, 20, the sheets may be guided to the fixed stop 22 by co-operating sets of endless bands (Figs. 2 and 3 not shown).
Patent GB-488469-A (GB)
Title: Improvements relating to golf club heads
IPC: A63B53/04
Filed: 1937-11-10
Abstract: 488,469. Golf clubs. WOUDENBERG, J. Nov. 10, 1937, No. 30858. Convention date, Nov. 12, 1936. [Class 132 (ii)] A golf club head 1 is made from highly compressed wood of specific weight of 1 to 1À4, and contains a hollow chamber 5 to locate the centre of gravity in the middle of the head. Specification 21424 /94, [Class 132], is referred to.
Patent GB-601198-A (GB)
Title: Improvements in or relating to the construction of endless chains of buckets for dredging or excavating
IPC: E02F3/14
Filed: 1945-11-16
Abstract: 601,198. Excavating. TEMPLE, H. R. H. Nov. 16, 1945, No. 30885. [Class 68 (i)] [Also in Group XXV] In an excavator bucket-chain, each bucket has at one end an inner part-circular member 51, and at the other end an outer part-circular member 52, each inner member entering the outer member of the adjacent bucket and being held thereto by inner and outer sleeves 53, 54, which are prevented from rotating relative to the respective members 51, 52, as by keys 55, 56. The opening in each outer member 52 and, if desired, that in the outer sleeve 54, may be of such size that the respective inner member 51 may enter by movement transverse to the pivotal axis. Supporting pins 57 pass through the inner members 51.
Patent GB-841379-A (GB)
Title: Improvements in or relating to sectional elements
IPC: F16B12/02
Filed: 1957-10-03
Abstract: 841,379. Walls. A. R. V. AKTIEBOLAGET RATIONELL VARUHANTERING. Oct. 3, 1957 [Oct. 3, 1956], No. 31053/57. Class 20(4) [Also in Group XIV] In panelled structures a frame member comprises a web 1 with outer flanges 2, 3 extending outwardly from at least one side of the web and an intermediate flange 6, parallel to the outer flanges, which forms channels for the reception of the edge of a panel 9a and a strengthening member 10, the channels being formed so as to retain the panel and support member in position. As shown flanges 5, 7 and 8 engage corresponding grooves in the panel and strengthening member. Additionally the web 1 and flange 3 are extended to provide a corner frame member, the extension of flange 3 forming the web from which extend flanges 2b, 3b and 6b. Interior panels 12 are shown. In a modification flanges extend from each side of the web 1.
Patent GB-341451-A (GB)
Title: Improvements in the separation of solid constituents from the residues obtained in the destructive hydrogenation and similar treatment of carbonaceous materials
IPC: C10G1/04
Filed: 1929-10-14
Abstract: Hydrogenation, destructive; mineral and tar oils, extracting; pitch and tar.--Mixtures of liquids and finely divided solids, obtained from distillable carbonaceous materials by destructive hydrogenation, extraction under pressure, or low-tem perature carbonization, after being freed from low-boiling constituents, are heated under pressure at a temperature higher, preferably by 20-60 DEG  C., than that of the primary process until the finely divided matter has coagulated to coarse, easily separable particles.  Gases other than hydrogen, e.g. methane, nitrogen, may be present; porous substances such as Florida earth, bog iron ore, or iron powder obtained by decomposing iron carbonyl, or iron carbonyl itself may be added to accelerate the coagulation.  The temperature should be such as will not cause splitting or coking of the oils.
Patent GB-1017225-A (GB)
Title: Improvements in or relating to chip or aggregate distributing devices
Inventor: COLLS ERIC VICTOR
IPC: E01C19/20
Filed: 1963-08-07
Abstract: 1,017,225. Road making machines. AVELING-BARFORD Ltd. Aug. 7, 1964 [Aug. 7, 1963], No. 31147/63. Heading E1G. [Also in Division A1] A device for distributing stone chips or aggregate comprising a feed roller 16 with fins 17 which distributes material from a hopper 10 is provided with a number of pitmans 28 which are operated by cams 26 on a shaft 24 so that the lower ends move in orbits near the hopper mouth 13 the upper ends being slidable in holes in a bar 30. The effective opening of the mouth 13 may be adjusted by means of plates 34 operated by levers 35. The device may be attached to the front of a road roller and it may be driven by means of an hydraulic motor.
Patent GB-496328-A (GB)
Title: Improvements in or relating to spring suspensions of vehicles
IPC: B60G17/02
Filed: 1937-11-13
Abstract: 496,328. Vehicle spring-suspensions. DILLEN, A. VAN. Nov. 13, 1937, No. 31195. [Classes 103 (vi) and 108 (ii)] In a spring-suspension system for the underframe or chassis of a rail or road vehicle, resilient elements 1 such as pneumatic tyres are interposed at each side of the vehicle between the underframe 6 and axle 8, the respective points of contact 7, 9 being disposed longitudinally of the vehicle at an angle to the vertical which is capable of being adjusted during travel, the springing being thus varied to suit the nature of the track. In the construction shown, the resilient elements 1 in the nature of pneumatic tyres are carried by a transverse shaft 2 which is engaged and adjusted by a pair of forked frames 17, which at their lower ends embrace and are rotatable on a motor vehicle axle 8, and at their upper ends support a transverse shaft 13. At its ends the shaft 13 is provided with studs 15 sliding in curved guide-ways 16 on the underframe 6, so that adiustment of the frames 17 causes the points of support 15 of the underframe to be varied. Adjustment of the shaft 2 and frames 17 is effected by means of a rod 3 connected with operating means 4, 5 under the control of the vehicle driver.
Patent GB-1460065-A (GB)
Title: Apparatus for treatment of textile material
IPC: D06B17/04
Filed: 1974-07-15
Abstract: 1460065 Fluid treatment of textiles D DUPUIS & CO 15 July 1974 [14 July 1973 16 March 1974] 31220/74 Heading D1L Textile web 10 is treated with fluid, supplied via lines 13, whilst wound on inner cylinder 3, in annular chamber 9 formed by outer cylinder 7 with the inner, the ends of the chamber being sealed by annular rings 12 located in annular grooves 3c of end flanges 3b, the rings 12 bearing against the inner surface of the outer cylinder. The rings 12 are forced against the surface by pressurized fluid supplied via lines 11. The inner cylinder is rotatably supported on movable chassis 1, whilst the outer cylinder 7 is fixed to support 8, so that the inner cylinder can be removed from the outer upon depressurization of the annulus 3c. The inner cylinder, mounted on bearings 5, is rotatable by motor 6 via pinion 6a. In an alternative form an outer cylinder, [Fig. 3 (not shown)], may be movable between two inner cylinders. In another embodiment a further annular treatment chamber may be provided using a third cylinder, [Fig. 7 (not shown)]. Preferably the perforate outer wall of the inner cylinder is separately movable and rotatable, [Fig. 13 (not shown)].
Patent GB-816873-A (GB)
Title: Improvements in or relating to trunnion mountings
Inventor: WILKINSON WILFRED HENRY
IPC: F02C7/20
Filed: 1954-10-28
Abstract: 816,873. Bearings. ROLLS-ROYCE Ltd. Oct. 27, 1955 [Oct. 28, 1954], No. 31228/54. Class 12 (1). [Also in Group XXV] A trunnion bearing comprises a flanged bearing member having a part-spherical internal surface and a collar, adapted to be mounted on a shaft member, having a part-spherical external surface, the collar being formed of more than two equal part-annular pieces or two or more unequal part-annular pieces which together form a complete annulus, the circumferential ends of at least one of the pieces meeting the other piece or adjacent pieces in joints which in assembly in the bearing member can be made by rotation of the piece or pieces about a radius of the spherical surfaces to bring the ends into register. The invention is applied to an engine mounting trunnion of a gas-turbine engine. The Provisional Specification describes also a trunnion bearing comprising a flanged bearing-member 10, Fig. 1, having a part-spherical internal surface 16, and a collar 14, having a partspherical outer surface, formed of two parts 14a, 14b which are split on a diametral plane and are mounted within the member 10 by rotating them about an axis perpendicular to the bearing axis.
Patent GB-1152030-A (GB)
Title: Improvements in or relating to Knitting Machines
IPC: D04B15/66
Filed: 1966-07-13
Abstract: 1,152,030. Knitting-machines. VYZKUMNY A VYVOJOVY USTAV ZAVODU VZEOBECNEHO STROJIRENSTVI. 13 July, 1966 [14 July, 1965], No. 31391/66. Heading D1C. In a cylinder and dial circular knitting machine a jacquard is provided to control the knitting instruments in different parts of the machine circumference and comprises at least two, two-step or three step drawing elements 5,6 co-operating with draw knives 9, 10. The lifting element 2 controls the cylinder and 2' the dial and the drawing elements 5, 6 control the first half of the cylinder instruments and the drawing elements 5', 6' control the other half of the cylinder. The drawing element 6' is not connected to the knitting instruments, but through a lever 11 actuates the lever 5'. The lifting elements 2,2' have two extensions of different lengths to read the punched cards to produce different heights of the drawing elements so that selection of the required steps thereon can be made. In a modification three step drawing elements are shown.
Patent GB-1490442-A (GB)
Title: Fixing of corner posts to box-like structures
IPC: E04G21/18
Filed: 1975-07-28
Abstract: 1490442 Jig for use with room units R L PRUITT 28 July 1975 [1 Aug 1974] 31430/75 Heading E1S Room units 14 have corner posts 12, to be employed in assembling the units together on site, thereto fixed in a jig 10 which comprises stanchions 20 arranged in parallel pairs, with one working flange of each stanchion made flat, e.g. by grinding, and used to attach the corner posts to the stanchions and maintain them truly parallel whilst the posts are being attached to the room units. Spacers (28), (Fig. 2 not shown) may be employed between the working flange and the corner post, and the fastening may be used to initially straighten the corner post. The stanchions may be fixed in position, as shown, but with a vertical adjustment, or may be mounted on rails (Figs. 7-9, not shown) to allow plan adjustment also. The room unit is brought into position on a wheeled carriage via tracks 36, and jacked upwards on its carriage before the posts are attached thereto.