baber/WOPTO huggingface dataset:
Patent GB-1437815-A (GB)
IPC: A01M/
Filed: 1973-05-15
Abstract: 1437815 Cyclopropane derivatives SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 14 May 1974 [15 May 1973] 22970/73 Heading C2C The invention comprises compounds of the formula where Hal represents a halogen atom, R 1  and R 2  are alkyl groups and X is an optionally substituted phenyl group. The compounds are prepared by reacting together compounds of the formulµ and Z-CHX-CN where one of Y and Z is a halogen atom and the other is a hydroxy group.
Patent GB-1341219-A (GB)
Title: Photographic printing apparatus
IPC: G03B27/46
Filed: 1971-04-19
Abstract: 1341219 Photographic printing apparatus EASTMAN KODAK CO 19 April 1971 [5 March 1970] 23076/71 Heading G2A Photographic printing apparatus has a first station 10 at which the optical properties of photographic transparencies 14 are measured to produce signals dependent thereon, which signals are stored in a data storage and control means 30, and a second station comprising one or more photographic printing means 50 for making prints from the transparencies, each printing means having an exposure gate 55 and receiving signals stored by the data storage and control means for making print exposures in accordance therewith. Each negative carries a punch code in a margin portion which is read and stored together with a measured density value upon a disc 32. Each printing means identifies a negative positioned in the exposure gate and upon coincidence with the recorded identification exposes a copy material 54 in dependence upon the recorded density value. The films are fed through the various stations by stepping motors 12, 52 controlled by the data storage and control means clock 28.
Patent GB-1174705-A (GB)
Title: Loom Check Strap and Method of Making the Same
IPC: D03D49/38
Filed: 1968-05-16
Abstract: 1,174,705. Checking picking sticks. PAGE BELTING CO. 16 May, 1968 [11 July, 1967], No. 23257/68. Heading D1E. A woven synthetic thermoplastic check strap 10 for a picking stick is curved so that the stick 19 is checked by the full depth of the strap. The strap 10 is curved by shrinking one edge of a straight strap by heat or chemical action and areas 13 impregnated by polyurethane for reinforcement.
Patent GB-871878-A (GB)
Title: An improved lacrosse stick and a method of making same
IPC: A63B59/02
Filed: 1959-07-07
Abstract: 871,878. Lacrosse sticks. HIERON, L. A. April 26, 1960 [July 7, 1959], No. 23279/59. Class 132(2). A lacrosse stick is made up of inner, outer and intermediate laminations 1, 2, 3 extending from the tip 4 of the crook to the end 6 of the handle, the handle and the crook having interposed laminations 12 and 9, 10, I I respectively, which have tapered ends. The laminations are assembled in the straight with glue and are then bent round a former to shape before the glue has set. The stick is finished and strung after the glue has set.
Patent GB-1332737-A (GB)
Title: Process for producing butyrophenone derivatives
IPC: C07D295/108
Filed: 1971-04-19
Abstract: 1332737 Piperazino-butyrophenone derivatives SUMITOMO CHEMICAL CO Ltd 19 April 1971 [6 March 1970 14 May 1970] 23304/71 Heading C2C Compounds I in which R<SP>1</SP> is H, halo, NH 2 , 1-4 C alkylamino, acylamino or N-(1-4 C alkyl)-amino; R<SP>2</SP> is H or halo; R<SP>3</SP> is H, halo, 1-4 C alkyl, 1-4 C alkoxy or CF 3  and n is 0, 1 or 2 and acid addition salts thereof are prepared by oxidation of compounds V to give compounds II and optional hydrolysis of compounds II to give compounds III and, if R<SP>5</SP> is H, optional diazotization of compounds III followed by decomposition of the diazonium compound to give compounds IV in which X is H or halo. Compounds I in which R<SP>1</SP> is other than H and compounds I in which R<SP>1</SP> is H and R<SP>2</SP> is halo in the meta position are claimed per se. Compounds V may be prepared by reaction of compounds VII with R<SP>6</SP>MgHal (R<SP>6</SP> is 1-5 C alkyl) followed by reaction of the Grignard reagents with compounds X or by reduction of compounds VI Compounds VI may be prepared by reaction of compounds VIII or their functional derivatives with compounds XII  by oyclization of compounds IX  or by reaction of the Grignard reagents prepared from compounds VII with compounds XI Pharmaceutical compositions comprise one of the above-mentioned novel compounds and a suitable carrier and have central nervous system activity. Reference has been directed by the Comptroller to Specification 1,180,864.
Patent GB-778226-A (GB)
Title: Method for reducing corrosion of metals by strong caustic soda solutions during dehydration
Inventor: CRAVEN STANLEY WILLIAM
IPC: C23F11/06
Filed: 1954-08-11
Abstract: In the production of substantially anhydrous caustic soda by the treatment of sodium carbonate solution with slaked lime, removal of the precipitated calcium carbonate, and evaporation of the caustic soda solution produced in steel or nickel apparatus, starch or dextrin is added to the solution being evaporated before the concentration reaches 45-50 per cent in order to prevent corrosion of the steel or nickel apparatus.  0.02-0.10 per cent of starch or dextrin is preferably employed.  Starch is preferably mixed with a little water and then with 30-50 per cent. caustic soda solution to produce a homogeneous solution or dispersion for adding to the solution being concentrated.
Patent GB-614995-A (GB)
Title: Improvements in and relating to the decoration of heat-resisting bases, particularlypottery
IPC: C04B41/45
Filed: 1946-08-07
Abstract: 614,995. Transfers. JOHNSON, MATTHEY, & CO., Ltd., and KERRIDGE, F. E. Aug. 7, 1946, No. 23418. [Class 100(ii)] Transfers for the decoration of a heatresisting base such as glass or pottery, are prepared by applying to a transfer paper of the duplex type by the silk screen printing method a colour paste comprising a mixture of a ceramic colour or vitreous enamel incorporating a volatilizable solid and an organic medium consisting of a mixture comprising (1) a cellulose derivative, (2) a solvent for said cellulose, (3) a resin of a nature which will leave a minimum deposit of carbon during firing, (4) a wax, and (5) a plasticizer, the said volatilizable solid being insoluble in the medium. The volatilizable substance may be anthracene, oxanilide, or acetanilide, preferably about 40 per cent by weight of anthalene. The resin may be gum elemi, and the cellulose derivative ethyl cellulose, and solvents for these pine oil and amyl lactate respectively. Paraffin wax is preferably used. Example: Sixteen parts by weight of a vitreous enamel comprising a metal oxide base in a lead borosilicate flux, is mixed with 4 parts of anthracene, and to this is added 5 parts by weight of the organic medium. This medium is composed of a mixture of amyl lactate 100 parts by weight, pine oil 75 parts, gum elemi 125 parts, ethyl cellulose 30 parts. methyl abietate 80 parts, paraffin wax 10 parts. In applying the transfer to a curved surface, this is coated with a solution of gum elemi in rectified spirits of turpentine. Specifications 471,219 and 614,996 are referred to.
Patent GB-295996-A (GB)
Title: Improvements in or relating to iron sheet piling walls
IPC: E02D5/08
Filed: 1928-08-14
Abstract: 295,996. Nolte, K. Aug. 22, 1927, [Convention date]. Piles. - In a sheet-iron piling-wall, sheet piles or casings in pairs, or a casing and a sheet pile, are joined by an intermediate part provided with a connection which can hold rigidly either one or two sheet-pile joints. Fig. 1 shows an oval-section intermediate part or connecting-bar a with circular-section jaws which receive the ends of the sheetpiles b, and optionally also the ends of the parts e to form a casing-pile wall. In modifications, the inner sides of the jaws, facing the opening, are flattened. In another modification, the parts g, Fig. 5, of an I-section connecting piece are extended so as to facilitate the fitting of the ends of the sheet piles h, j in the manner shown to form casing-pile walls, but trough-pile walls, and combinations of casing-pile and trough-pile walls, may also be made by these means.
Patent GB-650816-A (GB)
Title: Improvements in or relating to the attachment of handles to percussion tool heads
IPC: B25G3/28
Filed: 1947-08-25
Abstract: 650,816. Fixing handles. BINACHON, J. MARTIN-. Aug. 25, 1947, No. 23477. Convention date, June 11. [Class 61(i)] [Also in Group XXII] A percussion tool head having an integral or attached tang 32b or 36 is fixed to the tubular end 2 of a handle by a resilient sleeve 11 which surrounds the tang and is expanded radially by axial pressure. The outer end of the sleeve is either i direct contact with the head 32, Fig. 1, with a member 37, Fig. 6, which is held against rotation by direct contact with the head 35. The elastic sleeve 11 is expanded by tightening a nut 12 bearing on a disc 13. In a modification of the construction shown in Fig. 1 the tang comprises a headed bolt extending through a bore in the percussion head or a stud screwed into a blind hole therein. In a modification of the construction shown in Fig. 6 the end of the handle comprises a conical socket piece. U.S.A. Specification 1,859,038 is referred to. The Specification as open to inspection under Sect. 91 comprises also the attachment of tool heads to handles by resilient sleeves expanded by axial or radial pressure or by axially movable cones. In one construction, Fig. 6 (Cancelled), the sleeve 11 is expanded by a nut 15 screwed on to the end of the tang 1b remote from the tool 1a and acting on a disc 17 through a metal sleeve 16. In a modification the sleeve 16 is omitted. In another modification two resilient sleeves spaced apart by a smaller metal sleeve are provided. In a further modification, axial pressure is applied by a transverse conical pin pressed through a hole in the tang. In further modifications, the nut is screwed on to the end of the tang or on to the tubular end of the handle. In constructions employing radial pressure, the resilient sleeve 11 may be compressed by a cam lever 27, Fig. 12 (Cancelled), bearing on a plate 26 or by a band clip surrounding the longitudinally slotted tubular end of the handle. In a modification, Fig. 13, (Cancelled), the tang 1b is engaged by eccentric rollers 28 mounted on a rotatable cap 30. In one construction employing an axially movable cone, the tubular handle is tapered to co-operate with a conical sleeve 3, Fig. 1, (Cancelled), movable by a nut 4. In a modification, the sleeve is itself screwed to co-operate with the screw on the tang. In a further modification, Fig. 3, (Cancelled), the tubular handle is not tapered, but a further sleeve 7 having a tapered bore is provided and serves to turn the sleeve 3 on the screw 1b. In another construction, Fig. 4, (Cancelled), a sleeve 10 having a tapered bore is operated by a screwed sleeve 9 and co-operates with the coned sleeve 3 which is keyed to the tang. This subject-matter does not appear in the Specification as accepted.
Patent GB-281802-A (GB)
Title: Improvements in or relating to roll film photographic cameras
IPC: G03B19/04
Filed: 1926-09-23
Abstract: 281,802. Houghton-Butcher Manufacturing Co., Ltd., Denniss, A. J., and Edwards, V. W., Sept. 23, 1926. Cameras, roll-film.- The spool pin C at one or each end of the spool chamber W is mounted on a plate or arm B hinged at a<1> to the fixed end of the chamber, which end has a central perforation through which the pin protrudes into the interior of the chamber to engage the spool when the member B is locked in the closed position shown in full lines, by the detachable back D of the camera. A flange B<1> and baffle-plate B<2> may be formed on the member B, and serve together with the back D, to prevent ingress of light into the spool chamber. Both pins of the film supply spool chamber are preferably mounted in the manner described; but one pin only of the receiving spool chamber is so mounted the other end of this chamber being adapted to receive the winding key. In addition to the form shown, as applied to a camera having a body formed mainly of metal, a modification is also described for a camera having a body formed mainly of wood.
Patent GB-360063-A (GB)
IPC: H03B9/02
Filed: 1930-08-06
Abstract: 360,063. Valve generating circuits. HOLLMANN, H. E., 54, Berliner Strasse, Charlottenburg, Berlin. Aug. 6, 1930, No. 23559. Convention date, Aug. 13, 1929. [Class 40 (v).] In an arrangement for producing short waves with four-electrode valves, positive potentials are applied to the grids of the valve with respect to the other electrodes and each grid is connected to one of the other electrodes through an oscillating system. Fig. 4 shows a four-electrode valve adapted for producing short waves by the Barkhausen-Kurz method, the oscillating system l being connected across the two grids which are positively biased from a common battery Eg; open-wire radiators l<1> may be employed. The system l is tuned by condenser c to a frequency determined by the time of transit of electrons between the two grids which is a multiple of the natural period of an oscillator of this type, determined by the time of transit of electrons over a distance x. The multiple frequency of the system l must be at least equal to the ratio of x to x<1>. Separate oscillating systems may be connected between one grid and the anode and either between the other grid and the cathode or between the two grids, Figs. 5 and 6 (not shown). Fig. 7 shows an arrangement similar to that of Fig. 4 except that the anode is replaced by a second cathode c<1>. Figs. 8 and 9 (not shown), have similar characteristics to those of Figs. 5 and 6, except that the valve has two cathodes as in Fig. 7. A method of frequency raising by the above systems is described, one oscillating system being tuned to a frequency above the fundamental corresponding to distance x, thus causing the fundamental frequency to rise with a corresponding increase in the frequency produced in the other oscillating system. If the latter is also tuned to a frequency above that corresponding to distance x<1> an additional rise in frequency takes place.
Patent GB-171184-A (GB)
Title: Improvements in chain pipe wrenches
IPC: B25B13/52
Filed: 1920-08-12
Abstract: 171,184. Bufford, G. W. Aug. 12, 1920. Chain wrenches.-A chain pipe-wrench is formed of a handle A in which is secured a jaw B. which is preferably formed with two sets of oppositely inclined teeth from a to b, and a to c, Fig. 1, so as to be reversible, the jaw being formed with cut-away or bifurcated end portions f, g, Fig. 3, to receive the handle and chain respectively, and with a full width central portion B<1> which is arranged to bear on the work when pipe flanges or fittings are being operated on. The chain is secured to a link L, Fig. 1 connected by a pin to lugs r on the handle, or the chain may be secured directly to the lugs r. The chain is locked to lugs s on bifurcated portions j, k of the handle A. These bifurcated portions are bored to receive a securing screw i fitted with locking-nuts, the screw i also passing through an aperture in a central web m formed on the jaw, the jaw being recessed at n to receive lugs o on the parts a<1>, a<2>, the lugs being formed with stops for preventing rotation of the jaw relatively to the handle. The links u lie against rounded parts f<1>, g<1> formed by filled-in metal which is used to strengthen the bifurcations f, g, and a groove r is formed in the part m to permit the link of a welded chain to lie close to the centre of the jaw B. The length of the full width portion B<1> is preferably equal to the bifurcated portions on each side, or if the jaw is not reversible, the full width portion is a half of the bifurcated portions. The jaw may be formed integral with the handle
Patent GB-223232-A (GB)
Title: Improvements in steam boiler furnaces
IPC: F23L7/00
Filed: 1924-10-07
Abstract: 223,232. Langer, T. Oct. 13, 1923, [Convention date]. Steam, supplying; baffles.-Steam is delivered over the fuel on a furnace grate in diverging streams from a distributor D, Fig. 1, arranged above the firing-opening. The distributor is provided with apertures, as shown in Figs. 4, 5, and 11, which serve to deliver the steam in the direc-- tions indicated in Fig. 1. The pipe 15 supplying steam to the distributor is adjustably mounted in a hollow stay bolt 14, Fig. 7, and is supplied with steam from a distributing-box 13, Figs. 7 and 8, provided with branches 20, 21 leading from the auxiliary blower and steam chest and having adjustable non-return valves 19, 18 respectively. Passages 38, 39 in the box 13 allow for the supply of a small quantity of steam to the distributor for cooling purposes. In the form of distributor shown in Fig. 11, the apertures 46, 47 deliver steam in the direction of the boiler tubes. An air deflector L is mounted on bolts 34 above the door-opening.
Patent GB-533591-A (GB)
Title: Improvements in or relating to methods and apparatus for measuring electrical power
IPC: G01R21/00
Filed: 1939-08-18
Abstract: 533,591. Measuring electrical power by measuring light. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and YOUNG, J. M. Aug. 18, 1939, No. 23824. [Class 40 (iii)] [Also in Group XXXVI] Apparatus for measuring radio frequency power comprises an electric lamp which is illuminated to a degree which depends upon the power to be measured and influences a photo-cell through a light guide. A micrometer-controlled adjustable slot MS, Fig. 1, may be provided between the light-output end of the light guide Q and the cell PC, The cell PC is connected across the anode battery in series with grid resistor Rg and an adjustable portion of a bias potentiometer P1. The potentiometer is adjusted until there is no change in the milliameter reading on opening or closing a switch S connected between the grid and cathode of the valve. The voltage indicated by the voltmeter VM is then a measure of the power dissipation in a particular lamp previously calibrated in terms of that voltage. A second calibrated potentiometer may be connected across the voltmeter and its adjustable contact connected to the grid resistor Rg. The voltage as indicated by the voltmeter is then set to a predetermined value and the voltage for balance read off the second potentiometer. To improve the sensitivity, the cathode resistor may be removed and a small bias battery inserted in series with the grid resistor. The light guide Q consists of a quartz or glass rod or tube held in contact with the lamp at a particular point on the envelope which may be silvered or otherwise coated except for a small circular area to which the end of the light guide is to be applied. The light guide is mechanically protected by a tube P of opaque insulating material, a packing material T being interposed to protect it against shocks. Interchangeable caps may be provided to fit over the end of the light tube, each cap being arranged to reduce the light aperture to a pre-determined degree. Alternatively a calibrated iris diaphragm may be used,
Patent GB-847738-A (GB)
Title: Improvements relating to filters
Inventor: GUTKOWSKI JANUSZ
IPC: B01D25/26
Filed: 1958-07-24
Abstract: 847,738. Filters. PARMATIC ENGINEERING Ltd. July 24, 1958, No. 23829/58. Class 46. A high pressure oil filter comprises a stack of axially spaced porous rigid annular discs 11, 12 e.g. of sintered bronze, adjacent discs being sealingly secured together at their inner and outer peripheries alternately by inner and outer flanges 28, 23 and adjacent filtering surfaces being kept apart by studs 17 projecting upwardly from one face of each disc and integral therewith. The inner and outer peripheries are secured together by welding. Specifications 575,727 and 710,838 are referred to.
Patent GB-1430148-A (GB)
Title: Apparatus for securing a dredger to the sea bed
IPC: B63H19/08
Filed: 1973-05-18
Abstract: 1430148 Mooring dredgers MITSUI SHIPBUILDING & ENG CO Ltd 18 May 1973 [26 May 1972] 23841/73 Heading B7S [Also in Division F2] A dredger is secured to the sea bed by a spud 1 which penetrates slidably through spud keeper 4 mounted in cavity 3 in the dredger. A plurality of hydraulic or pneumatic rams 5 arranged in opposed pairs are each connected between the spud keeper and the dredger to restrain or prevent relative movement between them. A gas accumulator 13 is connected in common to all the rams such that fluid expelled from one or more rams increases the fluid pressure in the remaining ram or rams.
Patent GB-518099-A (GB)
Title: Improvement in the stabilization of polyvinyl resins
IPC: C08F8/30
Filed: 1938-08-15
Abstract: 518,099. Polyvinyl resins. KODAK, Ltd. Aug. 15, 1938, No. 24040. Convention date, Aug. 14, 1937. [Class 2 (iii)] Polyvinyl resins are stabilized by treating the resin, or a polyvinyl body used in its manufacture, with nitrous acid, as such or produced in situ from a nitrite (e.g. of sodium or other alkali metal) and acid. In the case of polyvinyl acetal resins, the treatment may be applied to the polyvinyl alcohol or ester used, either in the reaction mix or after separation therefrom, or to a mixture thereof with the acetal-forming reagent. The treatment is preferably applied before the resin has been heat-dried. Resins which may be treated comprise polyvinyl.esters, e.g. acetate and chloride-acetate ; polyvinyl acetals from formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, formaldehyde and acetaldehyde, butyraldehyde and acetaldehyde, benzaldehyde and acetaldehyde, furfuraldehyde and acetaldehyde, acetone and acetaldehyde, and cyclohexanone and acetaldehyde. The treated resins may have cellulose esters, e.g. acetate, acetate-propionate, or acetate-butyrate; cellulose ethers, e.g. ethyl cellulose; gums, wages, oils, or natural or synthetic resins added to them ; they may be used for films, e.g. photographic films, for artificial yarns; lacquers, moulding compositions, impregnated textiles, wrapping materials, or electrical insulation and may be laminated with glass, wood, metal, paper, or cellulose esters. The Specification contains examples. Specification 459,878 is referred to. The Specification as open to inspection under Sect. 91 refers also to Specification 513,266. This reference does not appear in the Specification as accepted.
Patent GB-355497-A (GB)
Title: Improvements in or relating to duplicators
IPC: B41F15/08
Filed: 1930-08-13
Abstract: 355,497. Stencil-printing apparatus. HORII, S., 3, Kajicho, Kanda-ku, Tokio, Aug. 13, 1930, No. 24293. [Class 100 (ii).] In a duplicator of the kind comprising a flat sheet-supporting bed 1 and a hinged stencil-carrying frame 4, the frame 4 is provided with trunnions 6 engaging in open slots 3 in brackets 2 secured to the bed 1 so that the frame is removable when in its raised position, and locking-plates 7 pivoted at 8 to the brackets 2 are adapted to embrace and hold the trunnions in an automatically-adjusted position of the trunnions when the frame 4 is in its closed position and to release the trunnions when the frame is lifted. As shown, each plate 7 is provided with a cam slot 9 engaging a trunnion 6, and as the frame 4 is swung down pins 10 thereon engage arms 11 projecting from the plates 7 and move the plates into locking position against the action of springs 12 ; the curvature of the slots 9 is such that the position of the trunnions is automatically adjusted in accordance with the height of the pile of sheets on the bed 1. In a modification, the pivots 8 are mounted in vertical slots and are pressed downwardly by springs whereby a wider range of adjustment of the plates 7 is provided; also, in this construction, the slots may be concentric with the pivot 8 instead of cam-shaped.