baber/WOPTO huggingface dataset:
Patent GB-496091-A (GB)
Title: Flexible coupling discs
IPC: F16D3/78
Filed: 1938-03-11
Abstract: 496,091. Universal joints. HARDY, SPICER, & CO., Ltd., and MIDDLETON, F. A. March 11, 1938, No. 7585. [Class 80 (ii)] In a flexible coupling-disc of the kind comprising superposed layers of rubberized fabric, preferably canvas, vulcanized together, the usual reinforcing plates 14 are permanently attached to the disc solely by bonding during the moulding process, so that the disc is pierced only for the bolt-holes. The vulcanizing mould is in three parts 10, 11, 12, the parts 10, 12 having recesses to receive the plates 14, and pins 13 over which the previously drilled layers are passed. The plates 14 are prepared for bonding by being brass-plated, and are coated with rubber solution to hold them in the recesses in the mould. The threads of the individual layers of fabric are arranged at an angle to one another. Specification 268,177, [Class 80 (ii)], is referred to.
Patent GB-548926-A (GB)
Title: Improvements in electrical acceleration and/or deceleration governing means
IPC: B66B1/12
Filed: 1941-06-16
Abstract: 548,926. Automatic control systems for winding apparatus &c. SMITH, G. D., HILL, E. P., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. June 16, 1941, No. 7610. [Class 38 (iv)] Speed.-Acceleration and retardation are controlled by applying to the primary winding of a transformer M1 a D.C. voltage proportional to the speed and connecting one secondary of the transformer to the control coil A of a compounding exciter GE of the magnetic bridge type as described in Specification 491,743, a metadyne or other means whereby a rapid development of output or trigger action is obtained for controlling the operation of speed control mechanism, such as a torque-motor MA releasing, applying or controlling a brake, either directly or through a fluid pressure or other servomotor. The tachometer generator GA is connected through a rectifier DR1 to the transformer MI to eliminate the factor of direction of motion. If it is desired to control acceleration or retardation separately a rectifier is included in the secondary circuit. Hunting may be checked by a rheostat coupled to the speed controlling mechanism and connected in circuit with a field coil of the exciter CE or the like. Fig. 1 shows a braking control in which the torque motor is associated by linkage with a manual brake lever BL, an emergency speed control solenoid ES and a valve BCV operating a servomotor to apply a brake when moved downwardly, the torque motor MA operating against a spring S to relieve the brake.
Patent GB-199439-A (GB)
Title: Improvements in trouser and tie presses
IPC: A47G25/72
Filed: 1922-03-16
Abstract: 199,439. Sharpe, G., and Russell, R. March 16, 1922. Presses.-In presses of the type in which the upper press board is forced toward the lower board a by plate springs carried by hinged arms f which are pivoted to brackets c, the plate springs are replaced by helical springs j held by sockets k attached to the upper press board m. The arms may be pivoted at one end and hook into slots in a pivoted bracket d. In a modification, sockets k, Fig. 4, are provided on and co-operate with guide pins r carried by the arms f, helical springs j being provided to hook over the ends of the arms. The arms may be pivoted at one side and the arrangement shown in Fig. 4 provided at the other.
Patent GB-754245-A (GB)
Title: Improvements in or relating to a life-saving flotation device
IPC: B63C9/125
Filed: 1954-03-17
Abstract: 754,245. Life-saving jackets. GARRETT CORPORATION. March 17, 1954 [July 7, 1953], No. 7748/54. Class 77 A life-saving device comprises a buoyant structure having a front, chin-supporting portion and, extending downwardly and rearwardly therefrom, and then rearwardly and upwardly, armpit engaging side portions, and adjustable shoulderstrap means for holding the device to the armpits and chin of the wearer. As shown the life-jacket comprises an inflatable chamber 11 which when deflated may be stowed in a stud-fastened wrapper 10 and worn round the waist as a belt. The shape of the chamber 11 is .such as to afford when inflated a front portion for supporting the wearer's chin and the side portions, each of which embraces a side of the wearer by fitting snugly under an armpit. A strap 15 is provided which, by being passed through a loop 16 on each side portion, crossed behind the wearer's back and then secured to attachment 17 at the top of the front portion, ensures that the inflated jacket is tightly fitted to the upper portion of the wearer's torso. The chamber may be inflated by either using gas cylinders 13 or a manual inflating tube 14 which are external to the chamber 11 but stored before inflation of the latter within the wrapper 10. Straps 19, 20 depend from the wrapper 10. to. form a seat for the wearer when required.
Patent GB-1024136-A (GB)
Title: Method of recovering by-products from pulping operations
IPC: C13B10/14
Filed: 1965-02-24
Abstract: Sugars are extracted from spent pulping liquor by mixing it with a first solvent for sugars and feeding the mixture or a heavy lignosulphonate phase separated therefrom to an extractor to which is fed, concurrently, a second solvent for sugars.  In an example the first solvent comprises 65% acetone and 35% methanol, by volume, and the separate lignosulphonate phase, diluted to contain 50% water, is countercurrently extracted with the second solvent comprising 58% acetone, 31% methanol and 11% water.  The extract containing the sugars is fed to a tower where solvents are stripped from the sugars.ALSO:Desugared lignosulphonates are isolated from spent pulping liquor by mixing with a first solvent for sugars and feeding either this mixture or the separated lignosulphonate phase to an extractor to which is fed a second solvent for sugars countercurrently.  In an example the first solvent is 65% acetone-35% methanol, and the separated lignosulphonate phase diluted to 50% water is countercurrently extracted with 58% acetone-31% methanol-11% water.
Patent GB-176255-A (GB)
Title: Improvements in and relating to the vaporisers of internal combustion engines
IPC: F02B21/02
Filed: 1921-03-14
Abstract: 176,255. Marks, E. C. R., (Marswerke Akt.-Ges.). March 14, 1921. Drawings to Specification. Cylinders receiving liquid fucl.-The fuel-spraying nozzle is situated at the apex of a conical recess, and at the centre of the sphere, of which the vaporizing-surface is a segment.
Patent GB-1447568-A (GB)
Title: Indexable work table for machine tools
IPC: B23Q39/04
Filed: 1974-02-22
Abstract: 1447568 Indexing work-tables K E WITZIG and R FRANK 22 Feb 1974 [23 Feb 1973] 8083/74 Heading B3B An indexable work-table 1, e.g. in automatic machining apparatus for successive machining at several operating stations of workpieces clamped on the table 1, comprises a supporting frame 3 for supporting the work-table 1 for rotation about a vertical axis, a drive for indexing the work-table, an angular positioning device 5 for accurate final positioning of the worktable, and is characterized by means for lowering the work-table to disengage the angular positioning device before an indexing operation and for raising the work-table to re-engage it after the indexing operation. The angular positioning device 5 comprises interengaging toothed rings 7, 8. An hydraulic or pneumatic single acting piston 14 and cylinder 12 lower and raise the work-table and at the same time engage and disengage the indexing drive coupling 18, 23. A fluid pressure piston 25 having rack teeth rotates the coupling pinion 23 only when the work-table has been lowered. A control tube 2 carries the work-table and the angular positioning device, piston and cylinder 14, 12 and coupling 18, 23 are arranged concentrically thereto. The piston 14 is supported relative to the tube 2 by bearing 17, 20 so that it does not rotate with the tube. Stroke adjustment in the piston rack 25 and control sensors are provided.
Patent GB-915030-A (GB)
Title: Improvements in or relating to mixing drums
IPC: B28C5/18
Filed: 1960-03-08
Abstract: 915,030. Concrete mixers. POTOTZKI, K. March 8, 1960, No. 8114/60. Class 86. A mixing drum 1 for a tiltable rotating drum type concrete mixer has its base 1<SP>1</SP> shaped in outwardly concave form and stiffened by radial pressed steel arms 11 of U-shaped cross-section and wedge-shaped longitudinal form ; the drum is detachably connected to its bearing as by bolts passed through holes 2a. In a modification, Figs. 4, 5 and 6 (not shown) the stiffening member is an outwardly convex dished circular plate in which radial stiffening webs which fill the interspace between the plate and the drum base are formed by pressing.
Patent GB-609563-A (GB)
Title: Improvements in and relating to machines for making pottery ware
IPC: B28B1/02
Filed: 1946-03-16
Abstract: 609,563. Making pottery. HARTLEYS (STOKE-ON-TRENT), Ltd., and ROWLEY, R. March 16, 1946, No. 8208. [Class 87(i)] In a pottery making machine, a rotary head 18 is secured to a shaft 12 through the intarmediary of a sleeve 14 fixed to the shaft by a key 13, an extension 17 of the head being screwed at 16 to the sleeve on which it is a sliding fit. A disc 19 with a rim 20 on the extension 17 engages a beveledged disc 15 on the sleeve. In a modification, the head comprises a plaster member which fits over the portion 17 and carries a seating ring for a mould.
Patent GB-1456631-A (GB)
Title: Pipe racker
IPC: E21B19/15
Filed: 1975-02-27
Abstract: 1456631 Boring earth &c LEE C MOORE CORP 27 Feb 1975 [14 June 1974] 8212/75 Heading E1F A pipe racker includes pairs of laterally spaced trays 5 for horizontally supporting pipe stands at one side of a transfer zone, means for indexing the trays 5 lengthwise across the transfer zone, transfer means for moving each successive pipe stand to locate its leading end at an elevating position in an oil well derrick 2, and a steady arm 32 which engages each lifted pipe stand and swings upwardly and over to control the trailing end of each pipe stand as it is being elevated. As described the apparatus includes two sets of trays 5 slidably mounted on top of each other, the bottom tray 5 being slidable on rails 8. The trays 5 are indexed across the transfer zone by a piston and cylinder device 16 (Fig. 5), the piston rod 17 of which is fixed to a tray 5 and the cylinder 16 of which carries a ratchet block 19 having a notch 21 which engages the rear walls of successive recesses 6 in the tray 5 below (the ratchet block 19 engaging recesses 9 in rail 8 when the bottom tray 5 is being indexed). The trays 5 are supported on the opposite side of the transfer zone by a rack 13, and can be moved out of the rack 13 when replacing pipe stands in the trays 5 by reversing the ratchet block 19. Each successive pipe stand is moved from the transfer zone to a position in which its leading end is above the well (as shown in Fig. 2) by a pair of parallel transfer arms 23 carrying pipe engaging shoes 25. The transfer arms 23 are connected together by link 26 and are operated by ram 27. An elevator 29 carried by travelling block 30 is then connected to the leading end of the pipe stand which is then raised in the derrick 2. During the raising of the pipe stand a grooved wheel 34 on the steady arm 32 engages the bottom of the pipe-stand and the steady arm 32 is swung upwardly and over to control the trailing end of the pipe stand. The arm 32 is moved by means of a sprocket 36 fixed to support 33 (Fig. 10), a rotatable sprocket 37 mounted on the arm 32 and a chain 38 fixed to the piston rods 39 of a double acting piston 40 and cylinder 41. The pipe engaging wheel 34 is mounted on a bracket (not shown) pivoted to the end of the arm 32 and can be disengaged from the pipe stand to allow the arm 32 to return by means of piston and cylinder 44.
Patent GB-331931-A (GB)
Title: An improved tobacco pipe
IPC: A24F7/00
Filed: 1929-12-13
Abstract: 331,931. Ainsworth, J. Dec. 13, 1929. Tobacco pipes. - The stem of a pipe is fitted at the mouthpiece end b<1> with a detachable tip d provided with a tubular projection d' fitting in the bore of the stem, the bore d<2> of the projection d<1> leading to divergent outlets f, f<1> inclined at an acute angle to the bore d<2> and opening into an annular space between the surfaces g, h of the tip d and the stem b<1>. The end of the stem b<1> is formed with a projecting portion k against which the tip d abuts. Fig. 4 shows a horizontal section of the device.
Patent GB-312427-A (GB)
Title: Improvements in twisting machines
IPC: D01H1/00
Filed: 1928-03-19
Abstract: 312,427. Collins, W. W. March 19, 1928, Twisting-machines with twisting-arrangements at delivery; spindle apparatus; winding- machines; stop-motions; doubles, preventing and breaking.-In a machine for twisting yarns of the kind wherein the yarn is led from a support through a twist-holder rotated at the same speed as the support about a common vertical axis to a pair of delivery rollers, the yarn is led from a package on the upper end of a driven tube 19, through the tube and between freely rotatable and preferably corrugated rollers 25, constituting the twist-holder, mounted at the lower end of the tube, so that it balloons between the package and the tube whereby the desired tension is maintained during twisting, and is thereafter drawn by rollers 27, 28, which also serve to hold the twist, and delivered to winding-mechanism such as a drum and bobbin. The machine is driven by an electric motor, the tube 19 being driven by a belt and the roller 27, 28 by gearing from the main shaft, and the winding-mechanism by gearing from the rollers 27, 28. Upon breakage, a feeler 54 drops and releases a lever 59, whereby a brake 61 is applied to the wharl of the tube, the roller 28 is raided by a screw 67, and the bobbin cradle 33 of the winding-mechanism is raised by a link 66 which is engaged successively by teeth in a quadrant 64 on the cradle as the bobbin increases in diameter. Doubling and loose twisting of the yarn is prevented, should the yarn escape from the rollers 25, by means of teeth 71 on a member carried by the tube which engage and sever any balloon formed by the yarn, thereby causing stoppage of the machine. The yarn package may be mounted in a tube 72, Fig. 11, the yarn ballooning against the inner surface of the tube and being thereby tensioned.
Patent GB-645295-A (GB)
Title: Improvements in or relating to a method of water treatment
IPC: C02F1/72
Filed: 1948-03-22
Abstract: Decolourized water which develops an unusually low degree of colour on boiling is obtainable from mains water coloured by organic matter by treating it with a quantity of hydrogen peroxide sufficient to provide not less than 2 and not more than 10 parts available oxygen per million parts of water by weight. The treatment may be carried out in the presence of chlorine, and may be applied prior to or concurrently with treatment with normal absorbents and/or the formation of a precipitate of hydrated silica and/or a precipitate of metallic hydroxide (e.g. ferric iron or aluminium).  In an example, five parts by weight of oxygen added as hydrogen peroxide and one part by weight of chlorine to a million parts by weight of moorland mains water followed by addition of sodium carbonate, sodium aluminate and aluminium sulphate, gives a water having a colour on filtration of from 2 to less than one Hazen unit; the colour is not appreciably increased on boiling.
Patent GB-1470625-A (GB)
Title: Polymerisable organic dispersion
IPC: C08L67/06
Filed: 1975-02-28
Abstract: 1470625 Polyester resin compositions BAYER AG 28 Feb 1975 [2 March 1974 17 Oct 1974] 8449/75 Heading C3P Organic dispersions comprise (by weight) (a) 35-59% of unsaturated polyesters, (b) 40- 64% of copolymerizable vinyl monomers, (c) 0À5-20% of ethylene/vinyl ester copolymers containing 8-10% by weight of vinyl ester; optionally 0À5-3% of dispersing agents may be present, and up to 50% of the ethylene/vinyl ester copolymers (c) may be replaced by polyethylene. In the examples, the polyesters (a) are formed from 1,2-propanediol, di-1,2- propanediol, maleic anhydride and phthalic anhydride; monomer (b) is styrene, and copolymers (c) are ethylene/vinyl acetate copolymers.
Patent GB-417322-A (GB)
Title: Improvements relating to the printing of vat dyestuffs
IPC: D06P1/22
Filed: 1933-03-21
Abstract: Cotton goods printed with vat dyestuffs with the aid of a ferrous or stannous reducing agent are passed through hot concentrated caustic soda and then, without washing, are cooled and passed through a mercerizing machine.  The caustic soda used may be of mercerizing strength; alternatively it may be of a lower or a higher strength, the goods, after the cooling, being passed through caustic soda of suitable concentration to bring the concentration on the goods to mercerizing strength.  The goods may be preliminarily prepared with a sulphonated fat such as Prestabit oil V.  They may be carried on a mercerizing frame throughout the treatments and are preferably finally subjected to countercurrent washing as usual with the recovered lyes and with water.  In an example a bleached cotton fabric is printed with a paste containing Caledon blue R, ferrous sulphate, lactic acid and a mixture of equal parts of gum and gum arabic thickening, the printed goods are dried, passed for 15 seconds through a bath containing caustic soda of 55 DEG  Tw. at 235 DEG  F., thereafter over two cylinders filled with cold water and through a mercerizing bath, mercerized, washed, soured for \ba1/2\be to 1 hour in dilute sulphuric acid, soaped and rinsed.  If the dyestuff is replaced by Caledon blue RC the caustic soda bath may be used at 100 DEG  F.
Patent GB-1464915-A (GB)
Title: Bio-active silvicultural container
IPC: A01G9/10
Filed: 1974-02-25
Abstract: 1464915 Plant containers MINNESOTA MINING & MFG CO 25 Feb 1974 [26 Feb 1973] 8507/74 Heading C1B A bio-active plant container comprises: (a) a nutrient core member which has walls comprising (i) 30 to 71À4% by weight of a watersoluble, film-forming proteinaceous material, (ii) 10 to 20% by weight of carbohydrate and/or glycerine, (iii) phosphate salt in an amount up to 15% by weight, and (iv) 0 to 30% by weight of fibrous material, in which the carbon-tonitrogen ratio in the nutrient core member is less than 12 to 1; and (b) a frangible, waterinsoluble shell encapsulating the walls of the nutrient core member. The proteinaceous material may be, for example, hide glue, gelatine, casein or mixtures thereof.
Patent GB-722444-A (GB)
Title: Improvements in and relating to machine tools
IPC: B24B53/04
Filed: 1952-04-03
Abstract: 722,444. Tailstocks. JONES & SHIPMAN, Ltd., A. A., and HOULDSWORTH, J. Oct. 6, 1952 [April 3, 1952]. No. 8533/52. Class 60. A tailstock has a centre 40, Fig. 4, carried on a slide 42, Fig. 7, mounted at one side of the tailstock and formed to provide a clearance from a tracing diamond 51 with its tip in the same horizontal plane as the centre. The clearance enables the slide which is mounted by two series of balls 44 to be retracted for removal of a workpiece. This retraction may be effected manually by a lever 54 connected by a squared spindle 55, Fig. 8, to a lever 57 in engagement with a rotor 60 at the end of the slide 47 or by admitting fluid pressure to a piston 67 which is also engaged by the lever 57. The piston moves against the action of a spring loaded head 83 having a stud 86 entering a slot 87 in a housing secured to the tailstock body. No transverse movement of the grinding wheel is necessary to bring it to the trueing position opposite the diamond 51 and the centre 40 is connected to the slide 42 by a block 41 which may be flattened to reduce the amount by which it protrudes laterally relatively to the centre. The diamond is held by a set screw 53 in a cylindrical holder 52 which passes through an elongated aperture in the slide 42 and engages a screw 70 to enable the position of the diamond to be adjusted. A micrometric indicator 73 controlled by a rod 71 facilitates fine adjustment. After adjustment, the holder 52 is clamped by screws 76. When the diamond is extensively projected, " spring " is prevented by a yoke 79 having a central portion 80 to form a bearing for the holder 52 and screws 81 temporarily to secure it to the tailstock body. The outer part of the holder is clamped by a screw 82.
Patent GB-312431-A (GB)
Title: An improved control device for operating signalling mechanism on a road vehicle or the like
IPC: B60Q1/34
Filed: 1928-03-21
Abstract: 312,431. Brabant Needle Co., Ltd., and Blackford, C. K. March 21, 1928. Road-traffic signals on vehicles.-For selectively operating by Bowden wires c<1>, d<1> two pivoted signal arms on a road-vehicle, a hand lever b pivoted within a box a carries a stud b<2> adapted to engage one or other of the cam faces c<3>, d<3> on subsidiary levers c, d secured to the wires c', d<1>. A pin e moving with the lever b allows a spring f to engage an electric contact f<2> so as to close an electric circuit for lighting the signal arm when in the signalling position.
Patent GB-869678-A (GB)
Title: Improvements in and relating to dog beds
Inventor: GODDARD CECIL JOHN
IPC: A01K1/035
Filed: 1959-03-12
Abstract: 869,678. Dog beds. GODDARD & CO. Ltd., F. March 14, 1960 [March 12, 1959], No. 8584/59. Addition to 803,980. Class (52). In a dog bed, a main frame 3 rests on brackets 11 welded to combined legs and stays 10, the lower ends of which are provided with rubber feet.
Patent GB-561328-A (GB)
Title: Improvements relating to fuel oils
IPC: C10L1/12
Filed: 1942-06-24
Abstract: 561,328. Liquid fuels. STANDARD OIL DEVELOPMENT Co. June 24, 1942, No. 8632. Convention date, July 5, 1941. [Class 91] A smokeless domestic fuel oil composition comprises a fuel oil base of gravity 17‹ to 40‹ A.P.I. having a small quantity of a metal compound dissolved therein,. the compounds being of the heavy metals of Group I, or metals of Groups IV, VII, or VIII of the Periodic Table. The compound may be of a metal used as a metallic oxidation catalyst; lead, copper, manganese, cobalt, iron and nickel are specified. Salts, hydroxides ;&c. of the metals may be used, such as carbonyls, naphthenates, oleates and stearates. Actual compounds specified comprise ferric hydroxide, and the naphthenates and carbonyls. of lead, copper, manganese, cobalt, and iron. The compound calculated as metal is added in the preferred proportion of 0.001 to 1.0 per cent by weight of the oil; based on the weight of the added compounds, 0.001 to 0.5 per cent, and preferably 0.01 to 0.1 per cent is specified with regard to the above naphthenates.
Patent GB-383517-A (GB)
Title: Improvements in or relating to the manufacture of cards for statistical machines
IPC: G06K19/02
Filed: 1932-03-23
Abstract: 383,517. Compound paper. VALTAT, R. L. A., 30, Place Denfert Rochereau, Paris. March 23, 1932, No. 8660. Convention date, March 31, 1931. [Class 96.] A card for statistical machines consists of two substantially identical sheets of kraft paper &c. glued to each other, with their corresponding faces applied against each other. The two sheets may be obtained by cutting a spool of paper longitudinally of its width. The card may consist of three sheets of paper applied to each other, the outer sheets being kraft paper (e.g. 40 grammes per square metre) and the central sheet of ordinary paper with short fibres. Specification 305,065, [Class 106 (i), Calculating &c.], is referred to.