baber/WOPTO huggingface dataset:
Patent GB-1430957-A (GB)
Title: H2- omega-substituted alkoxy benzophenones
IPC: C07D317/36
Filed: 1973-06-15
Abstract: 1430957 2 - (# - Substituted - alkoxy)- benzophenones A H ROBINS CO Inc 15 June 1973 [16 June 1972] 28665/73 Heading C2C Novel compounds I in which (a) R is 1,2-dihydroxyethyl, 2-carbamoyloxy - 1 - hydroxyethyl, 1,3 - dioxolan- 2 - on - 4 - yl or 1 - hydroxy - 2 - (o - methoxyphenoxy)ethyl and n is 1, (b) R is carbamoyloxy optionally mono- or di-C 1-8  alkylated and n is 2 or (c) R is oxazolidine-2-on-5-yl or 3-methyloxazolidin-2-on-5-yl and n is 1 or 2, are prepared by reacting a compound II with a compound B in which (i) A is and B is an alkali or metal cyanate; a C 1-8  alkyl isocyanate or di-C 1-8  alkyl carbamoyl halide to form compounds I (R = optionally C 1-8  alkylated carbamoyl, n=2), (ii) A is OH and B is 3-chloropropan-1,2-diol- or 1-chloro-3- (o-methoxyphenoxy)-2-propanol to form compounds I (R=-CHOH-CH 2 OH or n=1), (iii) A is OH and B is 5-(halo-methyl or -ethyl)-oxazolidin-2-one or 5-(halo-methyl or -ethyl) - 3 - methyl - oxazolidin - 2 - one to form compounds I (R=oxazolidin-2-on-5-yl or 3-methyl-oxazolidin-2-on-5-yl, n=1 or 2), (iv) A is OCH 2 -CH(OH)-CH 2 OH and B is phosgene to form compound I (R=1,3-dioxolan-2- on-5-yl, n=1) and (v) A is and B is NH 4 OH to form compound I (R= -CHOH-CH 2 OCONH 2 , n=1). Compounds II (A=OCH 2 CH 2 OH) are prepared by reacting a compound II (A=OH) with 2-bromo-ethanol. Compounds I are CNS depressants and inhibit pepsin proteolysis.
Patent GB-1537045-A (GB)
Title: Shearing hollow stock
IPC: B23D21/14
Filed: 1976-07-09
Abstract: 1537045 Shearing T I (GROUP SERVICES) Ltd 9 July 1976 [9 July 1975] 28802/75 Heading B3W An expansible interval shearing member, for supporting hollow stock 13 during shearing comprises split rings 1, 2, abutting at the shearing plane 18, each ring having a single gap in its periphery to allow it to expand to engage the stock. The rings have frusto conical surfaces engaging complementary surfaces on plugs 4, 5 which are screwed to a rod 7 and a sleeve 6 respectively. A rubber ring 10 holds the rod and sleeve coaxial. To position the rings for a shearing operation by dies 14, 15, the rod 7 is drawn back into the stationary tube 6 which moves the plugs together and forces the split rings outwards. Shoulders 16, 17 on plugs 4, 5 respectively limit plug movement and define the maximum expansion of rings 1, 2. The gaps in rings 1 and 2 should be circumferentially staggered and placed on the side of the stock towards which the shearing movement is directed. Deformation of the ring 10 accommodates relative movement between the rings during shearing. The rings may be drilled at (12), Fig. 2 (not shown) to increase their flexibility. In an alternative embodiment, Fig. 3 (not shown), each split ring comprises an outer shell, e.g. (26) with a single gap and a multi-part expansible member, the segments (27) of which are held by a garter spring (28). The shells are held in axial position by spring washers (32) and the segments move axially as they cause the shells to expand radially.
Patent GB-1150061-A (GB)
Title: Gas Liquifier
Inventor: WEBSTER THOMAS JOHN
IPC: F25B9/02
Filed: 1965-07-07
Abstract: 1150061 Gas liquefaction apparatus BRITISH OXYGEN CO Ltd 6 July 1966 [7 July 1965] 28837/65 Headings F4H and HG13 A permanent gas, e.g. air, liquefaction apparatus comprises a double helical coil 10 of capillary tubing 11 wrapped round a tubular mandrel 12 and inserted within a cylindrical Dewar flask 23 which receives liquid air resulting from expansion through a nozzle at the lower end of the coil of compressed air admitted to the two upper ends of the coil within a header 13; the coil 10 being sheathed throughout its length by a cord 20 and by tape 21 of heat insulating material and sealed at its upper end to the internal wall of the flask 23 by tape 22 whereby ascending cold expanded air traverses the space within said sheath.
Patent GB-598508-A (GB)
Title: Improvements in or relating to rotary cutting tools
IPC: B26F1/38
Filed: 1945-10-31
Abstract: 598,508. Drilling - machines ; drills and cutters. WHEELER, F. H., and PICKERNELL, F. W. Oct. 31, 1945, No. 28890. [Class 83 (iii)] A cutter-head 12 having a saw blade cutter 20 secured to it by screws, or, alternatively, having inserted cutters, is loosely mounted on a spindle 10 rotated by a brace or machine chuck and is driven from it by a driving dog 13 engaging flats 10<4> on the spindle and by a key and slot connection 26, 22 between the dog and the cutter head. A nut 9 is fitted on the spindle below the work 28 and feed is applied by a wing nut 15 and a spring 14. The driving dog has external flats so that a spanner may be used on it in order to rotate the cutter head.
Patent GB-619900-A (GB)
Title: Improvements in and relating to settling tanks
IPC: C02F1/00
Filed: 1946-09-30
Abstract: 619,900. Gravity-separation apparatus. HARTLEY, C. J. Sept. 30, 1946, No. 29059. [Class 111] A settling tank 10 is provided with a central non-rotating distribution box 14, Fig. 1, supported by two pairs of stay members 16 connected between joists 15 and anchor brackets 12, 13, extending some distance from the tank walls, a horizontal side feed-pipe 24 extending to an upwardly-deflecting feed box 25 in the distribution box 14, and a driving shaft 19 for scrapers 20 having a relatively long hub 26 attached to it above the top of the distributor box, a rotary skimmer 29, Fig. 4, being carried by arms 28 attached to lower girders 27 extending outwards from the bottom of the hub 26. Tension rods 30, Fig. 1, are connected between the midpoints of the arms 28 and upper girders 27 extending outwards from the top of the hub 26, while horizontal stays 31, Fig. 4, extend from the arms 28 to the lower girders 27. The distribution box 14 may be further supported by two pairs of horizontal stay members 17, 18, the two stay members forming a pair being crossed over and attached to opposite sides of the distribution box 14 near the top. In a modification these. stay members are dispensed with, the distribution box being held rigid by stays connected to a bearing or sleeve encircling the driving shaft 19.
Patent GB-241045-A (GB)
Title: Improvements in the manufacture of screw-threaded tubes
IPC: B21D15/04
Filed: 1924-12-06
Abstract: 241,045. Taunton, Selkirk, & Co., Ltd., and Rowe, W. J. Dec. 6, 1924. Bolts; tubes; nuts.-Tubes having an internal and external screw-thread for use in the tensioning devices of spring mattresses are formed from a sheet metal blank 1 by stamping or pressing a series of inclined corrugations 2 at one end, bending to a U-shaped form as in Fig. 4, inserting a mandrel and bending to circular form as in Fig. 6, and finally welding or otherwise joining the longitudinal seam 1<a>. An annular flange 4 formed from a separate sheet-metal blank and having teeth 5 is secured to the plain end of the tube and serves to coact with a member 8, Fig. 11 of a mattress to prevent the tube from rotating when it is engaged by a tensioning bolt 6. A double thread may be formed by increasing the inclination of the corrugations.
Patent GB-519998-A (GB)
Title: Improvements in or relating to the plasticizing of rubber
IPC: C08K5/38
Filed: 1938-10-10
Abstract: 519,998. Plasticizing rubber. DU PONT DE NEMOURS & CO., E. I. Oct. 10, 1938, ,No. 29323. Convention date, Oct. 8, 1937. [Class 70] A thiocarboxylic acid or a sulphide thereof, is used as a plasticizer for unvulcanized rubber in the absence of sulphur or other vulcanizing agent or sulphur-containing accelerators and in the absence of sufficient basic material to neutralise the action. The general formula is O # where R is an organic radicle which R-C-S-X may be aromatic, aliphatic or heterocyclic and may carry substituents such as hydroxyl, alkoxy, carboxyl, nitro, halogen and mercapto groups and X is hydrogen or the group where R<1> is an organic radicle similar to or dissimilar from R. Many compounds are specified of which the following are typical, thioacetic acid, thio-linoleic acid, thio-phenyl acetic acid, thio alpha naphthoic acid, acetyl sulphide or disulphide, toluyl sulphide or disulphide, alpha naphthoyl sulphide or disulphide and phenylacetyl sulphide or disulphide. Salts of the thio-acids may be used if the rubber contains sufficient acidic material to release the thioacid. The amount employed is from about 0.05 to 2 per cent. of the rubber. The compound may be milled with the rubber, or introduced into latex or, to produce cements of low viscosity introduced into a rubber solution. Specification 174,915,' and 177,493, [both in Class 70], are referred to.
Patent GB-842366-A (GB)
Title: Improvements in or relating to scmi-conductor devices
IPC: H01L21/60
Filed: 1956-09-26
Abstract: 842,366. Semi-conductor devices &c. PHILIPS ELECTRICAL INDUSTRIES Ltd. Sept. 26, 1956 [Sept. 29, 1955], No. 29393/56. Class 37. In a semi-conductor device, at least the part adjacent the electrode of a current supply wire comprises at least 5 % of chromium and at least 5% of nickel, to render it etch resistant, the Figure shows an N-type germanium crystal 1 soldered by a tin-antimony solder to a giltmolybdenum plate 3 and an indium alloy electrode 3 having a supply wire 5 consisting of 20% chromium and 80% nickel. The supply wire is resistant to etching solutions such as a solution of hydrogen peroxide and hydrofluoric acid, and a solution of nitric, hydrofluoric and acetic acids and bromine.
Patent GB-1185690-A (GB)
Title: A method of, and means for, Controlling Pollution by Oil and the like of Sea-Lake-River-and other Large Liquid Surfaces
Inventor: ROSS IAN WRAY MUNRO
IPC: C02F1/68
Filed: 1967-06-26
Abstract: 1,185,690. Controlling pollution of liquid surfaces. 1. W. M. ROSS. 7 June, 1968 [26 June, 1967], No. 29405/67. Heading C1C. Pollution of a liquid surface is controlled by spraying the surface with a material suitable to dispose of the pollution and agitating the liquid surface violently. In a preferred embodiment the depolluting agent is sprayed from nozzles located between the two hulls of a catamaran at the front, and agitation of the surface is performed by fluid jets between the two hulls of the catamaran at the rear, the fluid being liquid drawn from below the polluted surface by means of a pump on the catamaran.
Patent GB-792039-A (GB)
Title: Arrangement in condenser discharge blasting apparatus
IPC: F42D1/05
Filed: 1956-09-27
Abstract: 792,039. Blasting. NITROGLYCERIN AKTIEBOLAGET. Sept. 27, 1956 [Oct. 1, 1955], No 29478/56. Class 68(1) Apparatus of the type in which a capacitor 1 is adapted first to be charged by a source of current and then, on the manual operation of a switch 6, to give off its stored charge instantaneously through a firing circuit connected to the apparatus and comprising a plurality of electric blasting caps associated with blasting charges and in which a discharge circuit, which includes a discharge resistance 8. is in parallel with the firing circuit, and is normally closed in order to keep the capacitor free from residual charges but by the actuation of a second switch 7 can intentionally be interrupted whicle the apparatus is in use, is characterized in that the switch 7 is double acting and is also included in the firing circuit where it is connected in series with the switch 6 so that closure of the firing circuit is only possible when the discharge circuit is interrupted. The contact members of the switches 6, 7 are actuated against the action of return springs The source of current is a hand-driven generator 2 with or without a rectifier set.
Patent GB-465864-A (GB)
Title: Improvement relating to collapsible hardware vessels
IPC: B65H75/16
Filed: 1936-10-30
Abstract: 465,864. Chamber-pots. BERNARD, A. E. Oct. 30, 1936, No. 29518. [Class 26] [Also in Group XVII] Babies' bed chambers comprise two or more telescopically slidable members 1, 6, 11, of circular form in cross-section having coacting conical faces 3, 9, affording fiuid-tight joints and bayonet-slot connections 5, 7. Indentations affording hand-holes may be formed in the wall of the lowermost member.
Patent GB-275460-A (GB)
Title: Improvements in and relating to ophthalmic lenses
IPC: G02C7/02
Filed: 1926-11-22
Abstract: 275,460. Redfern, C. G., (American Optical Co.). Nov. 22, 1926. Spectacle lenses.-Lenses for use in protective goggles and which are also designed to correct the sight of the wearer, are formed from a toughened lens blank, having toughened surface layers and an untoughened central portion. A lens blank 17 of ordinary construction has the surfaces 18, 19 ground thereon to give the required power, but with the thickness left greater than is required in the finished lens. The blank is then edged and placed on a carborundum block 21 recessed to take the surface 19 of the lens. and the whole is heated until the blank approaches a plastic condition, when it is plunged together with the block 21 into a toughening solution. After thus toughening the surfaces they are reground and polished to produce a finished lens with toughened outer surfaces 18, 19 and an untoughened central portion 24. The final polishing is arranged so that the toughened layer is not entirely removed at any point.
Patent GB-869801-A (GB)
Title: Improvements in and relating to pigments comprising sulphonamide-aminotriazine-formaldehyde resins
IPC: C09B69/10
Filed: 1958-09-16
Abstract: A pigment comprises a dye incorporated with a finely divided thermoplastic resinous co-condensation product of (a) at least one aryl monosulphonamide having two reactive hydrogen atoms attached to N with (b) a diamino-1, 3, 5-triazine or a C-alkyl, aryl or aralkyl derivative thereof, and formaldehyde or with an alkanolmodified methylol derivative of the triazine, the alkanol containing up to eight carbon atoms.  The dye may be incorporated into the resin before or after grinding.  The sulphonamide and the aminotriazine may be separately combined with formaldehyde before co-condensation. Suitable sulphonamides are o- and p-toluene sulphonamides. Diamino-1, 3, 5-triazines mentioned are 2, 4-diamino-; 2-methyl-4, 6-diamino-; 2(3-hydroxybutyl)-4, 6-diamino-; 2-heptyl-4, 6-diamino-; 2-phenyl-4, 6-diamino-; and 2-benzyl-4, 6-diamino-triazine.  If desired the aminotriazine may be introduced as a solution in an alkanol, and modified with the alkanol during the course of condensation.  Preferred dyestuffs are fluorescent, e.g. the rhodamines and naphthalimides.  In examples mixed o- and p-toluene sulphonamides are treated with paraformaldehyde and the mixture reacted with additional formaldehyde and with (1) 2-phenyl-4, 6-diamino-1, 3, 5-triazine; (2) 2-benzyl-4, 6-diamino-1, 3, 5-triazine, and (3) 2-(b -cyanoethyl)-4, 6-diamino-1, 3, 5-triazine. Examples 4-9 illustrate the introduction of various fluorescent dyestuffs into the molten resins of Examples 1-3.  Titanium dioxide, lithopone or chrome yellow or a colourless ultra-violet light absorber such as benzophenone may also be added to the compositions. In Example 10 powdered resin is dyed in a dye-bath.  In Example 11 acetone solutions of dye and resin are mixed, the solvent removed and the dyed resin ground.  The remaining examples illustrate compositions containing the coloured resins, as follows:-(12) as pigment in an ink vehicle containing alkyd resin, aluminium stearate gel, driers and mineral spirits; (13) as pigment in an ink based on a petroleum solution of styrene-butadiene resin containing methyl dihydroabietate or of polystyrene-cyclised rubber mixture; (15) as a pigment in an alkyd paint; (16) as pigment in a flexible paint based on a xylol solution of chloro-sulphonated polyethylene; (17) as pigment in a plastisol of vinyl chloridevinyl acetate co-polymer with dioctyl phthalate and dioctyl sebacate as plasticizers, and an epoxy resin stabilizer; thinning this composition with naphtha yields an organosol.  In Example 18 the coloured resin is dissolved with cellulose butyrate and dioctyl phthalate in methyl ethyl ketone, ethyl acetate and toluene to give a wood-coating composition.
Patent GB-533470-A (GB)
Title: Improvements in or relating to fire-extinguishing means
IPC: A62C8/00
Filed: 1939-11-08
Abstract: 533,470. Fire-extinguishing. BARREAU, P. A. Nov. 8, 1939, No. 29665. Convention date, March 17. [Class 47 (ii)] Relates to fire-extinguishing compounds comprising a mixture of sodium chloride, ammonium chloride and sulphur, carbon tetrachloride being used as an auxiliary extinguishing substance. To prevent the formation of phosgene a magnesium salt is added, preferably the carbonate. A small quantity of an organic base, for example nicotine or caffein, may be added. A wire frame having a handle 6 may support two glass bottles, one containing carbon tetrachloride and the other the other substances, 5 grammes of magnesium carbonate and 5 drops of nicotine or caffein per litre forming part of the mixture in the second bottle. The bottles are fragile so that when thrown on a fire they are broken.
Patent GB-495913-A (GB)
Title: Improvements in cases or frames for holding eggs
IPC: B65D85/32
Filed: 1937-10-29
Abstract: 495,913. Frames and cases for eggs. NEUPERT, B. Oct. 29, 1937, No. 29677. [Class 18] A frame for holding eggs is divided into compartments by strips 2, Fig. 1, and each compartment is formed into a cell for an egg by wires 10 or springy strips which are suspended from the strips 2 and engage at their lower ends on a ring 11. The wires are let into slots in the strips 2, which are then upset so as to close the slots and secure the wires in position, and the resilience of the wires is increased by providing curved or angular outwardly-bent kinks therein. The strips 2 are welded together, joined by cramps &c. 7, or interengage by means of slots ; their ends 2a, 2c pass through slots in the sides of the frame, which is of wood and rectangular, and are there bent over; and they are also supported by posts upstanding from bars running across the bottom of the frame. Handholes 5, Fig. 10, which are covered on the inside by U-shaped members and also act as ventilation openings are provided. Ledges 1b on the top and bottom edges of the frames allow the latter to be stacked when covers would be provided for the top and bottom frames. A frame is held to the one underneath by pivoted hooks 13 which engage under eyes 13a on the hooks of the lower frame. The hooks are forced into or withdrawn from engagement with the eyes by turning a handle 15 to which they are joined by wires 14, and one hook on a frame is acted upon by a spring 16 which tends to push the hooks into inoperative position.
Patent GB-1468690-A (GB)
Title: Incinerator
IPC: F23G5/18
Filed: 1974-07-04
Abstract: 1468690 Feeding refuse to incinerators CONSUMAT SYSTEMS Inc 4 July 1974 [10 Oct 1973] 29699/74 Heading B8S [Also in Division F4] In an incinerator having a controlled air supply and a fire door 40 closing a charging shoot, two rams 82, 84 reciprocate within the shoot to feed refuse from a hopper 48 to the furnace, the lower ram 84 reciprocating continuously while the hopper contains refuse, and the upper ram 82 reciprocating with the lower ram 84 to clear the shoot when the hopper is empty. The space below the hopper enables the lower ram 84 to feed the refuse without jamming, and the action of the upper and lower rams 82, 84 together enables the shoot to be cleared so that the fire door 40 can be closed to avoid disburbing the air supply. A part cylindrical pivoted gate 62, Fig. 5, closes the bottom of the hopper with one wall 68 and supports the refuse on its curved side 72 while the hopper is being refilled, and is opened and closed automatically. Ashes are cleared from a shoot 118 by a plunger 132 which pushes the ashes through a flap 124 to a conveyer when a sensor, which may be a sonic sensor, indicates to the control unit that the hopper is filled with refuse, the control unit operates the hydraulic system to open the hopper door to allow material to fall into the shoot, opens the fire door, which has closed and open sensors which may be limit switches, and initiates the reciprocation of the lower feed ram, which need only travel to beyond the opening of the hopper. When the hopper is empty, a second sensor causes the hopper door to close when a sensor indicates that the lower pusher is in its retracted position, then operates both the rams to clear the shoot. A forward limit switch causes both rams to be retracted to just forward of the hopper outlet, and causes the fire door to close. The rams are then fully retracted. The ashpusher control and the automatic temperature control for the ignition and secondary combustion burners and for the air supply may all be linked with the charging control unit.
Patent GB-1501634-A (GB)
Title: Rotary mechanical seals
IPC: F16J15/34
Filed: 1975-09-11
Abstract: 1501634 Seals CRANE PACKING Ltd 11 Sept 1975 [5 July 1974] 29827/74 Heading F2B A rotary face seal comprising a stationary member 9 mounted in a housing 7 and a member 1 rotating with a shaft 2 has a ring 3 rigid with the shaft, the ring having a smooth circumference and radially symmetrical around the annulus 12 it forms with the housing interior, such that on rotation it imparts circumferential velocity to surrounding liquid to drive the liquid into an outlet port 11 for connection to a heat exchanger. The port 11 may have an adjustable scoop.
Patent GB-298768-A (GB)
Abstract: 298,768. Holmes, W., and Ferranti, Ltd. Oct. 11, 1927. Electromagnetic current and pressure meters. - A moving- coil instrument has a magnetizable member so mounted on the field magnet as to shunt a portion of the magnetic field from one pole-piece only, and thereby permit a desired scale distribution to be obtained. An annular permanent magnet a has two radial pole-pieces b, c, of which the former is longer than the latter, so that the axis of the moving coil d is eccentric with regard to the ring a. An iron screw or other magnetizable member e is arranged to shunt a part of the flux from one or both sides of the longer pole-piece b, thus giving a weaker field and consequent compression of the scale at one or both ends. The yoke a of the permanent magnet may be rectangular. The pole-pieces b, c may alternatively be equal in length.
Patent GB-879443-A (GB)
Title: Bleach solutions for use in photography
Inventor: SMITH ROBERT CHARLES MORRIS
IPC: G03C5/44
Filed: 1958-08-08
Abstract: 879,443. Photographic bleaching methods and solutions. ILFORD Ltd., and KELVIN & HUGHES Ltd. Sept. 7, 1959 [Aug. 8, 1958], No. 29920/59. Divided out of 842,658. Class 98(2) Bleaching of silver images where necessary in rapid processing, as for the apparatus of Specifications 814,079 and 814,080 wherein the elapsed time from exposure to projection may be less than thirty seconds, is effected by a solution consisting of potassium dichlomate, acetic acid and sulphuric acid. The processing may be direct or by reversal and by jet application, and it is explained that the presence of acetic acid in the usual dichromate mixture avoids the build up of sludge in following alkaline developer by the acid bleach. An example describes use of four jets for colour developer, the bleaching solution, thiocyanate fixer and hypo wash successively, to produce monochrome images.