baber/WOPTO huggingface dataset:
Patent GB-111672-A (GB)
Title: Improvements in Ships.
Inventor: LEONARDO TORRES QUEVEDO
IPC: B63B1/12
Filed: 1917-11-23
Abstract: 111,672. Quevedo, L. T. Nov. 25, 1916, [Convention date]. Void [Published under Sect. 91 of the Act]. Hulls.-A multiple-hull ship comprises two or more parallel floats A, A' which are connected together by a rigid framework B and covered by a platform provided, or not, with an upper structure C containing cabirs and saloons. In large vessels, as shown in Fig. 4, the floats consist of hollow girders in which accommodation is made for crews and passengers.
Patent GB-544749-A (GB)
Title: Improvements in cinematograph film couplings
IPC: G03D15/04
Filed: 1940-12-05
Abstract: 544,749. Coupling kinematograph films. TECHNICOLOR MOTION PICTURE CORPORATION. Dec. 5, 1940, No. 17305. Convention date, April 4. [Class 98 (ii)] A coupling for detachably inter-connecting two films for feeding them in succession through apparatus such as a multi-stage developing machine comprises two form-retaining resilient ribbons 1, 2 as of brass, steel, or other alloy of about the same width and thickness as the films, having their ends folded back to form interengageable hooks 3, 4, and having sprocket holes 9 including holes in the hooks which register with one another when the hooks are engaged. Interengaging indentations 8 are provided in the hooks to form a snap-lock. The coupling may be strengthened by securing together the lateral edges 13 of one hook, as by welding, to form a pocket into which the shaped end of the other hook fits. The hook 2 may be bent as at 5 so that the ribbons will be co-planar when the hooks are coupled. The ribbons may be secured to the ends of the films as by metal clips 11 having tongues 12 adapted to be passed through sprocket holes 16 and turned over, these sprocket holes being enlarged towards the middle of the ribbon or film so that the tongues do not obstruct the teeth of the feed sprockets.
Patent GB-639248-A (GB)
Title: Improvements in or relating to the baking of bread and like bakery products
IPC: A21B3/13
Filed: 1948-06-28
Abstract: 639,248. Baking apparatus. JANSSE, A. P. C. June 28, 1948, No. 17337. Convention date, June 28, 1947. [Class 28(i)] To dispense with the need for greasing baking tins, the pieces of dough are first allowed to rise (proving) while resting in open top bags of textile fabric whereby the top of the dough acquires a firm skin so that when placed skin down in the baking tins, and baked there is no adhesion and further the tins do not need cleaning after use. Several strips of textile fabric 7 are connected between an upper frame 2 and a lower frame 1 so that when the upper frame is pivoted down by links 5, 6 to rest on the lower frame, the fabric falls into trough - like form, open at the top into which dough pieces are placed for proving. After a skin forms on the top of the dough pieces, the frame 2 is lifted up by its handle 9 whereby the textile strips 7 are straightened out tight and the dough pieces are rolled off into baking tins 8 below in inverted position, skin down.
Patent GB-676578-A (GB)
Title: Improvements relating to assembled nuts and lock washers
IPC: F16B39/26
Filed: 1950-07-11
Abstract: 676,578. Making nut and washer assemblies. ILLINOIS TOOL WORKS. July 11, 1950 [July 22, 1949], No. 17356/50. Class 83 (ii). [Also in Group XXV] In making nut and washer assemblies, particularly those in which the washer has twisted locking- teeth, the nut blank is first drilled and then a shallow groove 38, Fig. 9, is pressed in by a punch 36, the washer 26, Fig. 11, is inserted in the groove, the outer wall 44 then being flared by an expander 42 permanently to connect the parts whilst permitting relative rotation. Finally, the assembly is tapped.
Patent GB-1396992-A (GB)
Title: Lubricating compositions
IPC: C10M165/00
Filed: 1972-04-14
Abstract: 1396992 Lubricants BURMAH OIL TRADING Ltd 14 April 1972 17374/72 Addition to 1372699 Heading C5F A lubricant composition comprises a major proportion of a mineral lube oil and a minor proportion of an (a) + (b) additive combination in which (a) is an A.E.M. or Mg-containing detergent of TBN more than 20, and (b) is a N- free random alkyl acrylate/methacrylate copolymer composed of up to 65% acrylate units. The acrylate portion of the copolymer is methyl and/or ethyl acrylate, and the methacrylate portion comprises at least 50% of C 1 -C 10  alkyl methacrylate units. The proportions of (a) and (b) based on the total wt. of the composition may be up to 15%, and 0À5-7À5% respectively. Additive (a) may be a sulphonate, or a phosphosulphurized phenate, salicylate or hydrocarbon). A concentrate may be provided by dissolving or dispersing in mineral oil (a) 5-50 wt. per cent of the above copolymer and (b) 5-90% of the above detergent.
Patent GB-1267345-A (GB)
Title: Improvements to duty cycle control apparatus
Inventor: SMITH BRIAN TURTON
IPC: H02P7/29
Filed: 1968-04-11
Abstract: 1,267,345. Control of D.C. motors. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. 26 March, 1969 [11 April, 1968], No. 17436/68. Heading H2J. [Also in Division G3] The mark-space ratio of current supplied to a traction motor through a controlled rectifier is controlled by a pedal coupled to a potentiometer 21 associated with a capacitor 20 which prevents excessive change of motor current and is connected across the base drive circuit of a transistor 26. A ramp generator comprises transistors 29-32 and operates at constant frequency to produce a saw-tooth waveform through resistor 43 at the base of transistor 44 which, with a transistor 45, forms a comparator circuit. When the ramp voltage reaches the signal voltage on line 28 derived from the pedal control, transistors 44, 45, become conductive and non- conductive respectively. Transistor 51 turns on to generate an "off" signal for the controlled rectifiers in the motor circuit. A signal representing the motor current is derived through amplifier 52. When this current-signal is less positive than the signal on line 28, diode 53 conducts and the pedal control signal is clamped to the level determined by the amplifier 52. A thermistor 23 is connected in series with the potentiometer 21 and is in close thermal relationship with the main rectifier (3, Fig. 2, not shown) in the motor circuit. Accordingly, an excessive mean heat loss causes an automatic reduction of the mark-space ratio regardless of the current-limit control provided by the amplifier 52. The amplifier 52 may produce a signal indicating any tendency for the current-signal to exceed a reference. The output of the current sensing device may be integrated, the pedal control being over-ridden when the integrated value exceeds a reference level. In another arrangement the current-limit is modified in response to the temperature of the cooling fins or cooling medium of the main rectifier.
Patent GB-1211938-A (GB)
Title: Process for the production of cellular rubber
IPC: C08L21/00
Filed: 1968-04-11
Abstract: 1,211,938. Cellular rubber. CHEMISCHE WERKE HULS A.G. 11 April, 1968 [12 April, 1967], No. 17481/68. Headings C3C, C3E and C3P. Natural and/or synthetic rubber is produced by heating a mixture comprising foamed rubber latex, vulcanizing agent and gelling agent, which has been added to the foamed latex, by means of high-frequency dielectric heating to below 100‹ C. so that there is no evolution of steam, thereby gelling the foamed rubber latex which is then vulcanized in the absence of the dielectric heating. The foamed rubber may be produced in the presence of potassium oleate as foaming agent. In examples a styrene-butadiene copolymer latex with optionally a polyisoprene latex or an aluminium silicate clay dispersion is beaten up in a churn to produce a foam to which is added as vulcanizer a mixture of colloidal sulphur, diphenylguanidine, zinc diethyldithiocarbamate, zinc-2-mercaptobenzothiazole, 2,2 - methylene - bis - (4 - methyl - 6- tert. butyl-phenol), zinc oxide, bentonite and the sodium salt of alkylated naphthalene sulphonic acid, together with sodium carboxymethylated cellulose and an ethyl chloride/ formaldehyde/ammonia reaction product, and as gelling agent sodium silicofluoride: the foam is fed to an open mould, placed between condenser plates, heated and the gelled foam is vulcanized with steam to produce a cellular article.
Patent GB-1127675-A (GB)
Title: Improvements in or relating to catalysts
IPC: C07F7/08
Filed: 1966-04-21
Abstract: 1,127,675. Chloroplatinic acid-organosilicon compound catalyst. DOW CORNING CORP. 21 April, 1966 [17 May, 1965], No. 17550/66. Heading B1E. [Also in Division C3] A catalyst for the reaction between #SiH and aliphatically unsaturated bonds consists essentially of the reaction product of chloroplatinic acid and at least one organosilicon compound consisting essentially of units of the general formula. where R is a monovalent hydrocarbon or halohydrocarbon radical, and at least one of the R groups contains terminal aliphatic unsaturation, X is a hydrolysable group or atom, n has an average value of 1.5 to 3, m has an average value of 1 to 20, a has an average value of 0 to 2.5. The catalyst may be prepared by heating a mixture of the two components at a temperature of 20 to 150C. In the Examples the catalysts are the reaction products of chloroplatinic acid with symdivinyltetramethyldisiloxane; and diallyldiethoxysilane.
Patent GB-1133951-A (GB)
Title: Improvements in or relating to floor conveyors
Inventor: ORWIN OLAF JOHN BARCLAY
IPC: B61B10/04
Filed: 1965-04-27
Abstract: 1,133,951. Conveyer systems. FISHOLOW PRODUCTS Ltd. 12 April, 1966 [27 April, 1965], No. 17584/65. Heading B7L. A floor conveyer comprises a pair of driven chains 10, 11, Fig. 7 (the chain 10 moving faster than the chain 11) each disposed beneath a corresponding slot 16, 17 in the floor and a plurality of wheeled trolleys 25, Fig. 3, each having a dependent driving bar 26 which in operation extends within one or other of the two slots 16, 17, each bar 26 being engaged at its lower end with one of a plurality of driving dogs 27 provided on the associated driving chain, and transfer means in the form of a switch tongue 20 pivoted at 21 to the floor for transferring trolleys from one to the other of the chains at a transfer position at which the slots 16, 17 merge into a common slot 19, characterized in that each driving dog 27, Fig. 6, comprises two portions 35, 36 which extend in opposite transverse directions relative to the associated chain, the lateral extremities of adjacent dog portions (35), (36), Fig. 5 (not shown), on the two chains at the transfer position overlapping in a transverse sense and vertically one above the other, each dog portion being movable relative to its chain in a forward direction and towards the longitudinal centre line of the chain against return loading means in the form of a spring 39, in such a manner as to permit a driving bar 26, Fig. 7, advanced by the faster chain 10 and engaging a rearward face 35b of a dog portion 36 on the slower chain 11, to displace the dog portion 36 to the dotted position 36i against its spring and thereafter allow the bar 26 to occupy a position in which it is engaged by a forwardly directed face 36a on a dog 27 of the slower chain 11, to be driven therefrom. The portions 35, 36, Fig. 6, are substantially of right angled triangular configuration and in the form of flat plates mounted on a common pivot (37) one above the other, Fig. 5 (not shown), on a bracket 29 carried by the chain links. Each dog portion engages a common stop 40 on the bracket and has a recess 38 in its forward face, the bar 26 being normally engaged by the vertically aligned recesses 38 when travelling along a slot 16 or 17. The driving chains are normally centrally aligned with the slots but at the transfer position the chains are displaced laterally of the common slot (19), Fig. 1 (not shown). The switch 20 is operated by a solenoid and arm as described with reference to Fig. 2 (not shown). In a modification, the dog portions are of cranked cross-section and mounted on separate pivots of the dog bracket.
Patent GB-1008576-A (GB)
Title: Smoke producing composition
IPC: C06D3/00
Filed: 1962-02-09
Abstract: A smoke producing composition comprises an ammonium compound, red phosphorus, and a nitrate, permanganate, or peroxide, the ammonium compound being vaporizable by the heat generated by the burning of the red phosphorus.  An example is a mixture of red phosphorus, ammonium chloride, and potassium nitrate.  Methyl cellulose, pectin jelly, or naphthalene may be added as a binder, and the composition moulded to form cubes, lumps or pellets. Iodine or other sublimable material may be included for the production of coloured smoke.
Patent GB-459048-A (GB)
Title: Improvements in drying machines of the heated roller type
IPC: F26B17/28
Filed: 1935-06-21
Abstract: A film evaporator comprising a pair of oppositely rotating, internally heated, drying cylinders 10 has a feeding hopper 14 with the end walls 14<b> adjustable into contact with the drying surfaces when the cylinders are adjusted.  Each end wall 14<b> has joint members bearing on the cylinders in three independent parts with circular edges, the side parts 31 being adjusted by screws 31<1> in slots 33 and the centre part 30 being vertically adjusted by a screw 32 into the inter <PICT:0459048/III/1> <PICT:0459048/III/2> mediate space.  Vertically adjustable joint members 34 are also provided on the side walls 14<a> of the hopper.  The joint members may be spring-pressed against the cylinders.  The material is pressed on to the cylinder by rollers 17 and when removed by scrapers 18 falls into troughs 20 with screw conveyers.  Vapours are led off by pipes 24, 25.  The material is fed to the hopper through a valve 16 with a crank 43 on its spindle 44 connected by a link 42 to an arm 41 of a lever pivoted at 40, the other arm 39 of which is moved by a roller 36 in a slot 37 on a crank arm 38 rotating with the cylinder 10, so that the valve is opened on each rotation of the latter and is closed by a counterweight 45.  The length of the link 42 may be adjusted by a screw.
Patent GB-777446-A (GB)
Title: Improvements in or relating to electrical two-part connector members
IPC: H01R12/89
Filed: 1953-06-26
Abstract: 777,446. Two-part couplings. KAMM, L. J. June 26, 1953 [June 28, 1952], No. 17858/53. Class 38 (1). The plug-and-socket units stacked to form the co-operating parts of a two-part connector comprise tubular contacts 76, 77 and 71, 72 embedded on both sides of staggered ridges 78, 79 and 73, 74 respectively in strips of resilient insulating material such as rubber. When the units are engaged, a cam 80 is pivoted to a housing 82 and is operated by a handle 84 to bear on a vertically movable bar 83, thus causing vertical movement of the units and slight horizontal movement of, and a wiping action between, the contacts due to the yieldable nature of the support. In another embodiment (Fig. 3) socket contacts 89 are themselves resilient and mounted on plates 87 of stiff insulating material, e.g. phenolic resin, carrying contact elements 88, stiff insulating blocks 86 separating the plates, and co-operating plug units comprising stiff insulating plates 96 carrying contact elements 98.
Patent GB-408115-A (GB)
Title: Improvements in or relating to articles of footwear
IPC: A43B21/37
Filed: 1933-06-23
Abstract: 408,115. Heels for footwear. GRIFFITHS, W. H., 311, High Street, Bangor, Carnarvonshire. June 23, 1933, No. 17904. [Class 17 (ii).] Means for detachably and interchangeably connecting a heel to an inner sole or other foundation member of a boot or shoe comprises projections on one part adapted to be engaged by relative sliding movement in slots in the other part, removable locking means, such as a staple, insertible from within the boot &c. serving to hold the projections and slots in looking position. In the form shown in Figs. 1, 3, metal plates 20, Fig. 3 and 26, Fig. 1 are secured respectively to the heel and insole 25, and these are provided with co-operating slots 23 and projections 28 respectively which are retained in the position in which they can be slidably locked together by a staple insertible from inside the shoe, by lifting a flap cut in the inner sole 25, in holes 33, 34 in the plates 20, 26. Instead of bent-over projections 28, as shown in Fig. 1, these projections may be in the form of headed studs for engagement in key-hole slots, or of dovetailed shape for sliding engagement in slots of corresponding form. The plate 26 secured to the insole may be a continuation of the usual shank stiffener.
Patent GB-692675-A (GB)
Title: Improvements in means for measuring colour or opacity of a fluid
IPC: G01N21/15
Filed: 1951-07-27
Abstract: 692,675. Photometric apparatus. CANDY FILTER CO., Ltd., and AITKEN, R. W. March 10, 1952 [July 27, 1951], No. 17904/51. Class 97 (i). [Also in Group XL (b)] Photo-electric apparatus for measuring the opacity of a fluid includes means for continuously cleaning the windows of the chamber containing the fluid. A rectangular block mounted on a plate 3 of a bracket 1 contains two mutually perpendicular holes 5, 6, the one hole 5 containing a worm 10 which is driven by a motor 7 suspended from an overhanging bracket 8, and the other hole 6 containing a shaft 17 with a central worm-wheel 18 engaging with worm 10. A circular transparent disc 20 is assembled on each end of shaft 17. Fixed to the end of block 4 is an open-sided rectangular frame 23 containing a cell 26, and test liquid is passed through a transverse bore 27 in the cell 26, the end faces of the cell being parallel to the discs 20, and maintained fluid-tight against the discs by flexible jointing rings 28. Fluid connection to the inside of the cell 26 is obtained via connector members 29, 30. A U-shaped frame 41 is bolted to frame 23, and carries a photo-cell 42 on one side, a lamp 43 on the other, and a Bowden-controlled shutter arrangement 50 preferably with an adjustable aperture and a light filter. The rotation of the discs 20 by the motor 7 causes the flexible jointing-rings 28 to rub off any deposits or stains on the discs.
Patent GB-858633-A (GB)
Title: Shiftable roof support structure for working faces in mines
IPC: E21D23/00
Filed: 1957-06-05
Abstract: 858,633. Advancing mine roof supports. GEWERKSCHAFT EISENHUTTE WESTFALIA. June 5, 1957 [June 18, 1956], No. 17919/57. Class 20(2) [Also in Group XXX] Advancing mine roof support frames 10-12 are maintained perpendicular to the mine face by forward and after resilient tension connecting means 18 between the props and are advanced by cylinders 19 between the frames. The cylinders 19 are arranged diagonally. The end frames may be guided by rails and have advancing cylinders perpendicular to the face. Each frame comprises two props 13, 14 connected by a resilient floor bar and pivoted to a roof bar.
Patent GB-179230-A (GB)
Abstract: 179,230. Fitch, B. F. Dec. 31, 1920. Overhead transporters; load-engaging, releasing, and depositing; vehicle fittings.-Means for hoisting and conveying freight comprises a frame having longitudinally extending side bars connected near each end to cables suspended from drums on an overhead travelling frame, the bars being movable tcwards cr from each other in order to grip or release the freight. The overhead traveller rur-s on the tracks 1, 2 on supporting-wheels 21, some of which are driven by a motor 35. The hoist-drums 51, 52 are arranged on a pair of aligned drum shafts 41, 42. which are driven from a motor 47 through wormwheels 46 and spur gears 43. Extending from each drum are two lifting ropes, arranged so that when those on the drums 52 are wound in, those on the drums 51 are payed out and vice versa. As shown each lifting frame comprises a pair of longitudinal hooked bars 70, which will engage in hooked members a on the removable truck body A, and two pairs of transverse bars 71 hinged together by hinge pins 72. The buckling of the hinge 72 to draw the frame bars inwards to engage the truck body is effected by cables 80, which pass upwardly to the hoist, where they are connected to a rope 81 within reach of the operator. Two lifting frames are arranged so that one is raised when the other is lowered, whereby a loaded body removed by one can be replaced by an empty body held in the other.
Patent GB-379791-A (GB)
Title: Improvements in the manufacture of artificial threads from viscose
IPC: D02J1/22
Filed: 1931-06-22
Abstract: Artificial threads of high tenacity and extensibility are obtained in a continuous process which comprises spinning viscose into a precipitating bath adapted for the production of threads of high tenacity, stretching the freshly coagulated threads, allowing the stretched threads to shrink by passing them, while hanging freely through a liquid such as water, or dilute aqueous salt, acid, or alkali solutions, and continuously or as a separate step, stretching the shrunk threads to such an extent as to obtain a #  product of the desired titre.  Preferably the thread is stretched in the acid wet stage to a finer titre than is required, then allowed to shrink to a coarser titre, and finally after leaving the water bath stretched to the required titre.  In examples, either ripened or unripened viscose is spun into strong sulphuric acid solution and the threads are passed on leaving the bath over glass rods and then round a stretching roller.  From this roller the threads are immersed without tension in a water bath at room temperature.  The threads then pass round glass rods and are collected on a bobbin rotating so as to effect a second stretching.  To the sulphuric acid bath there may be added salts such as ammonium and sodium bisulphate.  The sulphuric acid may be replaced by sulphuric esters.  If desired, the coagulating bath or the shrinking bath may be heated.  If desired, the threads may be collected from the shrinking bath by bobbins on reels and thereafter unwound with stretching and twisting.  The process is applicable to the manufacture of artificial silk or fibre bundles which are to be made into staple fibre.  Specification 307,829 [Class 2 (ii), Cellulose &c.], is referred to.
Patent GB-1109870-A (GB)
Title: Control circuit for static inverter
IPC: H02H7/122
Filed: 1967-04-20
Abstract: 1,109,870. Inverting. VAPOR CORPORATION. 20 April, 1967 [13 July, 1966], No. 18193/67. Heading H2F. An inverter is provided with protection against excess output current lasting for more than a predetermined time and with automatic reset after a further predetermined time. As shown, the inverter comprises thyristors 17, 19 triggered by an oscillator and square-wave generator 25 and feeding a centre-tapped transformer 21. The output of a current transformer 29 is rectified at 31, 33 and smoothed at 31, 32. If the output current is excessive the voltage across capacitor 32 is sufficient to trigger a Schmitt circuit 33 the output of which charges a time delay capacitor 55. After a predetermined time, unijunction transistor 57 is triggered giving a pulse which is amplified at 69, 77 and triggers a thyristor 87 which is coupled via a tapped inductor 23 to the inverter so as to turn-off the main thyristors 17, 19. Thyristor 87 also charges capacitor 89, providing a voltage at the base of voltage-regulating transistor 91 in the D.C. supply to the control circuit 25. A further circuit comprising transistor 99 and Schmitt trigger 115 holds off the inverter until capacitor 139 has charged sufficiently to trigger unijunction transistor 141, when thyristor 147 is triggered, discharging capacitor 89 and resetting the inverter. Instantaneous protection is provided against shortcircuit current by Zener diode 83 breaking down and by-passing the time delay 55 and the Schmitt circuit 33. In Fig. 2 (not shown), the tapped inductor 23 is included in the cathode circuits of the main thyristors 17, 19, thyristors 87 and 147 being triggered via pulse transformers.