baber/WOPTO huggingface dataset:
Patent GB-1102077-A (GB)
Title: Photographic objective
IPC: G02B9/12
Filed: 1965-03-23
Abstract: 1,102,077. Photographic objectives. VOIGTLANDER A. G. March 23, 1965 [March 23, 1964], No. 12265/65. Heading G2J. In an objective comprising a positive meniscus element I, an asymmetrical double concave element II and a convergent doublet III enclosing a pair of surfaces R 6 , R' 6 , preferably cemented, and concave to the rear, the following relationships are provided:- and preferably # 4,6  < 6À425 wherein:- # = Gardner shape factor f I ** = 1/P# 1 +# 2 ) where P is the diameter of the entrance pupil of the objective and f II **, f III ** are similarly defined Ï = power of the appropriate surface Ï N  = power of the pair of adjacent surface R 6,  R 6 ' # = refractive power of the complete objective f = focal length of the complete objective V 6  = apex point of the pair of adjacent surfaces R 6 R 6 ' M 4  = centre of curvature of R 4  V 6 M 4  = distance between V 6  and M 4 . Optical data are provided for six examples which satisfy all the above criteria and a seventh example in which the last two are not satisfied.
Patent GB-455632-A (GB)
Title: Improvements in and relating to golf clubs
IPC: A63B53/04
Filed: 1935-04-24
Abstract: 455,632. Golf clubs. TINGEY, A., Knightwood, Polebarn Lane, Frinton-on-Sea. April 24, 1935, No. 12306. [Class 132 (ii)] A golf club has a blade 1 the front face of which is substantially plane and the rear face of which is of oval middle section 5 and has a small flange 8 extending along the top edge of the blade and a larger flange 9 along the bottom thereof. The oval portion 5 is thickest at the middle of the blade and extends from the heel to the toe of the blade. A groove 10 is provided in the sole of the club and a coloured indentation 7 on top of the blade. The angle between the sole and the shaft is 100‹.
Patent GB-863168-A (GB)
Title: Pouches with removable liners
IPC: A24F23/02
Filed: 1958-04-18
Abstract: 863,168. Tobacco pouches. BEATTIE, R. W. April 18, 1958 [April 25, 1957], No. 12407/58. Class 133. A flexible tobacco pouch 1 has securing means consisting of parallel spaced strips 12, 13 and 14, 15 fixed inside its mouth for a lightweight flexible liner 20, fitted with corresponding securing means comprising upstanding tabs 25, 26 provided with spacer strips 28 and securing strips 29 with tongues 30 along their end edges. The liner 20 is located in the pouch 1 by feeding the tabs 25 up between the strips 12 and walls 2 and 6 while the tabs 26 are fed between the strips 14 and walls 3 and 4 of the pouch ; next the tabs 25 and 26 are turned inwardly and their securing ends pushed down between the pairs of strips 12, 13 and 14, 15. Tight engagement is made by pushing the liner downward. In a modification the liner tabs are not provided with a seaming end construction, but are fed around both of the strips e.g. 12, 13 and downward again between the two.
Patent GB-1518331-A (GB)
Title: Disperse monoazo dyestuffs
IPC: C09B29/01
Filed: 1975-03-25
Abstract: 1518331 Disperse mono azo dyes IMPERIAL CHEMICAL INDUSTRIES Ltd 25 Feb 1976 [25 March 1975] 12417/75 Heading C4P  Novel dyes have the formula:- wherein X is lower alkyl, n is 1, 2 or 3, Z is H, lower alkyl or lower alkoxy, Y is H, lower alkyl, lower alkoxy, Cl, Br, -NHCOX<SP>1</SP> or -NHSO 2 X<SP>2</SP>, X<SP>1</SP> is lower alkyl, lower alkoxy, amino or N-loweralkylamino, X<SP>2</SP> is lower alkyl, A<SP>1</SP> and A<SP>2</SP> are each independently lower alkylene, and R<SP>1</SP> and R<SP>2</SP> are each independently lower alkyl or hydroxyalkyl containing from 2 to 4 carbon atoms. The dyes are prepared by diazotization and coupling, and may be used for the mass dyeing of aromatic polyesters, or to colour synthetic textiles e.g. cellulose acetate, nylon and especially aromatic polyesters.
Patent GB-123687-A (GB)
Title: Improvements in and relating to Spark Plugs.
Inventor: O'CONNELL EDWARD
IPC: H01T13/46
Filed: 1918-07-31
Abstract: 123,687. O'Connell, E. July 31, 1918. Sparking-plugs.-The central conductor is removable and is enclosed in a metal tube 7, the ends of which are turned over to retain metal washers 8. The inner washer is seated against a shoulder formed by enlarging the inner part of the casing, an insulating disk 5 and lining 6 being interposed. Mica wrappings 9 extend from the inner washer 8 to a point midway between the end of the casing 1 and the outer washer, the protruding end of the wrapping being covered by a cap of insulating material. The spark gap is formed between an extension 4 of the casing and the ends 13a of a elongated plate 13 retained between the end of a sleeve 14 and an enlargement on the end of the central electrode.
Patent GB-275739-A (GB)
Title: Improvements in or relating to cigarette machinery
IPC: A24C5/58
Filed: 1926-05-17
Abstract: 275,739. Molins, W. E. May 17, 1926. Cigarette - making machines; cigarette-tipping machines. - The tipping and printing mechanism of a continuous-rod machine is driven from the main drive through mechanism which is disengaged, and re-engaged in phase, by movement of a pivoted frame 4, carrying the printing and tipping mechanism. The drive is through discs 28, 31 and connecting means comprise a spring-pressed pin 32 which engages a hole or slot 29. The tipping and printing mechanism, which is described in Specifications 251,322 and 259,684, comprises rollers 1 - - 3 which are driven from the main shaft 14, on which the disc 28 is mounted, through bevel gearing 11 - - 13 and doctor blades which are reciprocated by an eccentric and levers 25 - 27.
Patent GB-1424818-A (GB)
Title: Recovery of catalytic systems
IPC: B01J31/40
Filed: 1973-03-15
Abstract: 1424818 Catalyst recovery MONTECATINI EDISON SpA 15 March 1973 [16 March 1972] 12618/73 Heading C2C [Also in Divisions B1 and C5] A catalyst comprising a complex of a Group VIII transition metal with ligands at least one of which is a trivalent P, As, Sb or Bi compound whose valencies are satisfied by three organic groups at least one of which contains a basic nitrogenous group, is recovered by treating a reaction effluent containing the catalyst in an organic phase with an aqueous acidic solution under a non-oxidizing atmosphere, separating the aqueous solution and recovering the catalyst therefrom by reducing the acidity, e.g. with a base or by driving off acid. An oxidation inhibitor may be present during the acidity reduction. If the reaction system comprises carbon monoxide, this is preferably removed at appropriate temperature and pressure before treatment with the aqueous acidic solution. The catalyst may be recycled to the reaction after recovery. Examples apply the process to: the preparation of C 9 -aldehydes and alcohols with by-product octane, octenes and C 9 -alkyl formates from octene-1 by the Oxo process; the hydrogenation of 2-ethylhexenal to 2-ethylhexanol and 2-ethylhexanal; and the condensation of n-butanol to 2-ethylhexanol.
Patent GB-906764-A (GB)
Title: Rejection filter circuit
Inventor: JELFFS MICHAEL WILLIAM
IPC: H03H9/54
Filed: 1960-04-08
Abstract: 906,764. Crystal rejection filters. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 6, 1961 [April 8, 1960], No. 12651/60. Class 40 (8). A rejection filter circuit comprises one arm including a crystal C in series with a resistance R2 for increasing the band-width of the filter and the secondary winding of a step-up transformer T1, this arm being in parallel with another arm comprising the primary winding of the transformer, across which the input is applied, in series with a balancing resistor R3. The value of the balancing resistor can be reduced by a factor equal to the ratio of the transformer, whereby the overall attenuation of the filter is reduced. R3 may be variable.
Patent GB-345135-A (GB)
Title: Improvements in fuel pumps for diesel engines
IPC: F02M59/36
Filed: 1930-04-24
Abstract: 345,135. Fuel pumps. SWISS LOCOMOTIVE & MACHINE WORKS, Winterthur, Switzerland. April 24, 1930, No. 12674. Convention date, May 11, 1929. [Class 102 (i).] A pump for injecting fuel into Diesel engines is provided with an additional adjustable chamber whereby the capacity of the compression space is large in proportion to the swept volume of the pump piston, the adjustment being independent of the cyclic operation of the engine. The pump 2 is connected with chamber 16 containing a plug 17 that is adjustable by means of the screw 18. 7 is the suction valve, 8 the first delivery valve and 9 the final delivery valve, between these two being passages in communication with a regulating valve 11 operated by the governor and with the safety valve 15.
Patent GB-110735-A (GB)
Title: Means for Securing Trunnions or Gudgeons to Batch Beams or Rollers and such like and for Strengthening such Beams or Rollers and the like.
Inventor: GREENHALGH CHRISTOPHER
IPC: E06B9/44
Filed: 1917-09-05
Abstract: 110,735. Greenhalgh, C. Sept. 5, 1917. Rollers. - The gudgeons c<1> of batch beams or rollers are provided with a collar c<2> and a non-circular extension c<3> adapted to be driven into place, and a cap or cup b is fitted over the end of the beam and provided with a central aperture of the same shape as the extension c<3> and with slots b<2> for wedges d. The rim of the cup may be provided with an enlarged or tapered opening, to assist in placing it on the beam, and its inner circumference may have serrations or teeth to grip the wood.
Patent GB-252210-A (GB)
Title: Improvements in or relating to the process of making mortars and cements
IPC: C04B14/22
Filed: 1926-05-18
Abstract: 252,210. Lindemann, O. May 18, 1925, [Convention date]. Cements, Portland, treating after manufacture; concretes and mortars. - Finely ground glass is added to cements and mortars to improve their strength, increase their density, and render them waterproof. Waste glass from glass furnaces may be used. A substance such as water-glass may also be added to promote the decomposition of the vitreous substance.
Patent GB-515470-A (GB)
Title: Improvements in and relating to the production of sand cores for foundry purposes
IPC: B22C1/24
Filed: 1938-04-28
Abstract: 515,470. Mould and core materials. WILSON, A. M. April 28, 1938, No. 12767. [Class 83 (i)] A binder for sand cores comprises starch, which has been pregelatinized by heat &c. in known manner, together with glucose, dextrose greens, dextrose, cane sugar, molasses, or other soluble hygroscopic material or linseed, mineral or other oil or both soluble material and oil. The sugar &c. may be added to the starch before heating. A suitable mixture for core making is sand 1,000 parts by weight, linseed oil 10, starch 18, glucose 2, and water 50. Any other known ingredients such as rosin or unmodified starch may also be added. The soluble substance may comprise that found in the water used in steeping maize when making starch. The dry modified starch may be impregnated with oil.
Patent GB-798591-A (GB)
Title: Improvements in starting devices for internal combustion engines
IPC: F02N99/00
Filed: 1956-04-26
Abstract: 798,591. Turning-gear. INNOCENTI SOC. GENERALE PER L'INDUSTRIA METALLURGICA E MECCANICA. April 26, 1956 [Dec. 21, 1955], No. 12798/56. Class 7(5) [Also in Group XXIV] In a starting device particularly for motor-cycle engines comprising a toothed segment 1 keyed to the shaft 2 of a starting pedal 3, a toothed pinion 4 mounted for rotation and axial displacement on a pinion shaft 5, the segment being out of mesh with the pinoin and being adapted to engage the pinion on actuation of the pedal, a member 18 operable by the pinion and coupled for rotation with the engine shaft, dog-clutch means between the member and pinion comprising ratchet teeth on the member and pinion, spring means 9 urging the pinion axially towards the member, and a false tooth 30 on the leading end of the segment, each ratchet tooth on one component of the clutch is formed with an axial recess 18a on the torsionally inoperative flank 18e which recess is angularly spaced from the torque transmitting flank 18c of the tooth whereby a ratchet tooth on the other component of the clutch is seated in the recess in the inoperative condition of the device with the torque transmitting flank 4a thereof angularly spaced from the flank 18c. As shown, the tooth 30 is formed from wire of circular cross-section and is arranged on the segment 1 so that the coiled free end thereof is angularly spaced from the radial axis of the leading tooth by a distance equal to the pitch of the teeth. In operation actuation of the pedal 3 to rotate the segment causes the tooth to engage the pinion 4 thereby to rotate the latter through an angle 1, Fig. 3, so that smooth meshing occurs between the segment and pinion. The ratchet teeth on the extension 18 are formed on the inclined torsionally inoperative flanks thereof with recesses 18a the bottoms of which are displaced with respect to the bases 18b of the torque transmitting flanks 18c, the latter being undercut with respect to the axis of the clutch; the flanks 4a on the pinion are also undercut. The clutch may be provided between the pinion and the spindle 5, the bevel gear wheel 8 which meshes with a corresponding gear wheel on the engine shaft being keyed to the shaft 5.
Patent GB-997126-A (GB)
Title: Improvements in and relating to power switchgear
Inventor: ROXBURGH ALBERT
IPC: H01H33/666
Filed: 1963-04-01
Abstract: 997,126. Switchgear structures; insulating connections between conductors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 1, 1964 [April 1, 1963], No. 12834/63. Heading H2B and H2E. The vertically withdrawable circuit breaker unit 20 of an electric switchgear structure comprises a vacuum switch 7 one of whose terminals 8 constitutes one of the isolator contacts. The vacuum switch is operated through a spring loaded (17) linkage 14, 15 and a shaft 19 common to three phases by a spring 16 controlled by the usual latching and releasing mechanisms 6 (not shown). The three vacuum switches SW1, 2, 3 of the three phase switch gear may be arranged in line parallel to the line of the corresponding other isolator terminals 9<SP>1</SP>, 9<SP>11</SP>, 9<SP>111</SP> (Fig. 2, not shown) or alternatively (Fig. 3) these parts may be alternately interchanged. In a modified arrangement (Fig. 4, not shown) the vacuum switch is inclined to the vertical so that its terminals are separated horizontally by a distance equal to that between the isolator terminals 8, 9. The unit 20 is traversible to earthing positions 2, 3 for the cable CA and bus-bars respectively. For higher voltages two or more vacuum switches may be connected in series. Connections between horizontal and vertical bus-bars may be insulated by embedding in synthetic resin SR or in an insulating plastics sheath IE associated with one of the conductors C1 which is bolted at H to the second conductor C2, an opening at P 2  being closed by a cast resin seal CB<SP>1</SP>.
Patent GB-748503-A (GB)
Title: Improvements in or relating to the tensioning of thin metal members
Inventor: CASSMAN HARRY
IPC: H01J29/02
Filed: 1953-05-08
Abstract: A thin metal member e.g. a grid or foil for a television pick-up tube is secured and tensioned in a metal frame by the use of a liquid medium e.g. albumen or a colloidal suspension of graphite in water which has the property of shrinking on drying.
Patent GB-218436-A (GB)
Title: Improvements in or relating to machines for winding yarns and threads
IPC: D01H13/16
Filed: 1923-05-15
Abstract: 218,436. Stubbs, Ltd., J., and Stubbs, J. H. May 15, 1923. Stop-motions.-A broken-end stopmotion for a yarn winding or like machine comprises a yarn finger 27 for each thread x which is normally supported by the thread in the position shown in full lines in Fig. 1. On breakage of the yarn the finger 27 pivots about the spindle 26, and its inner arm is lifted by the wiper 14 and, lying flat against the plate 15 which carries the spindle 26, lifts the said plate and thereby causes an arm 17 to rock the stop-lever 33. The inner arm of the finger 27 and the plate 15 during operation by the wiper 14 rotate as a solid unit. Opposite ends of the plate 15 are secured respectively to the bearing 16 of the cranked member 17, and to a bearing 21 supported from an arm 24. The plate 15 is provided with a dust-shield 34.
Patent GB-165459-A (GB)
Title: Improved method and means for making rubber tires
IPC: B29D30/06
Filed: 1918-08-09
Abstract: 165,459. Swinehart, J. A. Aug. 9, 1918. Moulding wheel tyres.-To prevent puckering &c., tyre covers are formed in sectional moulds adapted to fold towards each other from the tread towards the base. The moulds may comprise annular sections 20, 21, Fig. 3, which diverge inwardly so that on being forced together they engage first at the tread portion, and upon applying pressure the inner portions 24 are gradually brought together. The moulds may be formed of spring metal or of cast metal rendered flexible by annular grooves 26 and radial grooves 28. To equalize the movements of the mould sections and core 25, the sections are interconnected by links 28<1> pivoted on pins 29 on the core. The mould sections are formed with sloping surfaces 22 diverging inwardly and a number of moulds are superposed and forced together in a vulcanizing-press.
Patent GB-737386-A (GB)
Title: Improvements in or relating to electron discharge devices
Inventor: JEFFERSON SIDNEY
IPC: H01J17/32
Filed: 1952-05-22
Abstract: 737,386. Discharge apparatus. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. May 22, 1953 [May 22, 1952], No. 12922/52. Class 39 (1). An electron discharge device, for example a cold-cathode tube, comprises a contained volume of an inert artificial radio-active gas having a half-life such that the discharge path is maintained in an ionized condition by the gas at least for the predetermined life time of the device and having a biological half-life such that the gas presents negligible health hazard when the container is broken. The radioactive gas may form the sole filling of the tube or may be added to a filling of inert gas or may be placed in a container adjacent the discharge path, which container may form one of the electrodes of the tube, preferably the cathode. The preferred radio-active gas is krypton 85.
Patent GB-690455-A (GB)
Title: Improvements in and relating to the steaming and pressing of clothing
IPC: D06F73/00
Filed: 1951-06-01
Abstract: 690,455. Ironing. KLEINDIENST, H., REICHART, H., [trading as KLEINDIENST & CO., MASCHINENFABRIK UND EISENGIESSEREI], and PETRICH, E. June 1, 1951. [June 2, 1950] No. 13011/51. Class 138 (ii). Garments are steamed and pressed on a bust 1 without a rigid back part, the bust including a rigid front wall 3 having openings for the passage of steam and air, a transverse partition wall 4 substantially vertically disposed in the middle region of the bust, permeable covering 5 surrounding the bust so as to form front and back chambers 6, 7, and means for producing different and variable effective pressure on the back and front of a garment applied to the bust. A small extension 2 may be provided as a shoulder support and this may also be perforated. Arm holes 10 are provided with bag-like arm parts (not shown). Steam is supplied to both chambers 6, 7, through a duct 16 having a pedal operated valve 21 but the increased resistance of the perforated wall 3 and a felt lining 23 causes the back part 811 of the garment to be blown out strongly while the front 81 is only steamed without being distorted. After the steaming operation hot air is blown into chamber 6 and suction applied to chamber 7 Fig. 2, (not shown). Finally air is blown into both chambers 6, 7, simultaneously for a short period Fig. 3, (not shown). Figs. 1 - 3 show busts for jackets and short coats, while the bust 12 in Fig. 4 can be used for full length coats as well by opening pedal operated valves 22 to bring additional chambers 6<SP>1</SP>, 7<SP>1</SP> into use. The busts 1 and 12 are detachably mounted on stands 15 for ready interchange with busts of different sizes.
Patent GB-847872-A (GB)
Title: Improvements relating to independent road wheel suspensions for motor vehicles
IPC: B60G17/02
Filed: 1958-04-24
Abstract: 847,872. Road-vehicle spring-suspensions. DAIMLER-BENZ A.G. April 24, 1958 [April 27, 1957], No. 13056/58. Classes 108(2) and 108(3). An auxiliary spring 20 acts between arms 18, 19, rigid respectively with half axles 13, 14. The pre-compression of the spring 20 is adjustable by a device 21 which may consist of a hydraulically actuated piston and cylinder device (Fig. 3). Instead of the cylinder carrying the spring abutment it may be rigid with the arm 18, and the spring may bear on the piston (Fig. 2, not shown). In Fig. 4 the spring abutment 35 is non-rotatably but slidably mounted in the arm 18 and is carried on a screw 36 which is mounted between thrust bearings 37 on the arm 18. The screw 36 may be rotated from a remote control by a spindle 39. In a further construction (Fig. 5, not shown) the spring 20 is in the form of a pneumatic bellows the pressure of which may be adjusted either manually or automatically in accordance with the pressure of the main suspension springs 16, 16 (Fig. 1). According to a further alternative, one of the arms 18, 19, may be adjustably mounted for either angular or rectilinear movement relative to its associated swing axle.
Patent GB-1174307-A (GB)
Title: Ammunition for Explosively Activated Driving-In Tools.
IPC: F16B19/14
Filed: 1967-03-21
Abstract: 1,174,307. Cartridge-actuated tools. ETEM, ETAB. DE TECHNIQUES MODERNES. 21 March, 1967 [7 April, 1966], No. 13063/67. Heading B4C. [Also in Division F3] A pistol for driving a fixing pin 6, comprises a block 1 provided with a loading chamber 3 closed by a member 8 and adapted to receive a cartridge 4 lodged in a plastics holder 5, and a slidable barrel 2 whose rear end provides a shoulder for an annulus 7a of a plastics guide plug 7 and shears-off the annulus on firing.
Patent GB-567858-A (GB)
Title: Apparatus for controlling fluid pressure
IPC: F15B13/04
Filed: 1943-08-12
Abstract: 567,858. Hydraulic machines. STEPHENS, W. T. Aug. 12, 1943, No. 13088. [Class 69 (ii)] A valve housing 32 has connections 28, 30 with the two sides of a motor 20, connections 38, 40 with the inlet and outlet of a pump 36, and openings 56, 58 to and from a reservoir 34. The pump delivers through a check valve in the housing, and a plunger 69 controls communication between reservoir opening 58 and pump inlet connection 38 and also controls communication between a passage 66 having valved communication with passages 71, 74 connected with the motor ends and a passage 60 leading to the pump inlet. In the " hold " position of the control valve 48, show in Fig. 2, and in the " float " or extreme righthand position, in which the passages 71, 74 are in free communication, the pump is cut off from connection with the motor, and liquid circulates between reservoir and pump through openings 56, 58. In the hold position, the pump delivers to a passage 52 and thence freely into passage 56 opening directly into the reservoir, and liquid passes freely through reservoir outlet 58 to the pump inlet a passage 64 to which the pump delivers is closed. Movement of the control valve in either direction to the raise or lower position opens one of the passages .71, 74 to supply from the passage 64, and connects the other through passage 66 and apertures 94 in plunger 69, which is then raised to close communication through reservoir outlet 58 except for a small aperture in the plunger top, with the pump inlet passage 60; at the same time the connection between passage 52 and reservoir inlet passage 56 is closed. A byepass controlled by an adjustable spring- pressed valve connects the two sides of the pump when delivery pressure is excessive. A second byepass valve allows excess of pump liquid supplied to the piston-rod side of the motor to return to the suction side of the pump.