baber/WOPTO huggingface dataset:
Patent GB-248906-A (GB)
Title: A method of manufacturing saw blades for cutting metal, wood or other materials
IPC: B23D63/00
Filed: 1925-02-21
Abstract: 248,906. Brindley, A. Feb. 21, 1925. Etching.-In the manufacture of saw blades of the kind described in Specification 245,301, [Class 145 (ii), Wood, Working], from steel wire, the portions of the wire which are to form the tooth or teeth of the blade are covered with acidproof material and the wire is then placed in acid for a time sufficient to eat away the unprotected portions of the wire to the desired depth. The wire is then removed from the acid, the covering removed and the wire washed. In one form a band of elastic material, such as indiarubber, is wound round the wire in a stretched or distended condition, the band, when the wire is acted upon by the acid, gripping the tooth edges so formed and causing the acid to take a deeper course thereby producing an undercut tooth or teeth with rounded corners at the bottom of the groove or grooves. In another form, two or more elastic bands are wound spirally round the wire in the same or opposite directions so as to produce spiral or square or diamondshaped teeth. To produce a series of separate circumferential teeth, a series of alternating discs of acid-proof and non-acid-proof material are threaded on the wire before immersion in the acid.
Patent GB-588535-A (GB)
Title: Improvements in or relating to hot air heating systems
IPC: F24D5/04
Filed: 1945-02-27
Abstract: 588,535. Controlling ventilation. ABBEY, A. (Miles, J. C.). Feb. 27, 1945, No. 4926. [Class 137] [Also in Groups XIII and XXIV] In a hot-air heating system with an air heating furnace or other unit 10, and a motor 17 driving a blower 15 which circulates air from the area to be heated through a return duct 12 to the air heating unit 10 and then through a conduit 11 to the area to be heated, a temperatureresponsive unit 25 mounted in the return duct 12 operates a change-speed device 20 to increase or decrease the speed of the blower as the temperature in the return duct decreases or increases respectively. The change-speed device (see Group XXIV) comprises a pulley composed of a part 30 fixed to a motor shaft 18 and a part 31 axially movable relatively to the fixed part 30 against the action of springs 35 by means of levers 53, which are moved through a spring 51, rod 52, and bellows 46, by the expansion of a fluid, e.g., ethyl chloride, in the chamber 40 of the temperature responsive device (see Group XIII). This chamber 40 has an extension 42 which screws on to the movable part 31 of the pulley so as to enable adjustment of the temperature range in which the effective diameter of the pulley is varied. When the distance between the pulley parts-30, 31 exceeds a certain amount, the belt 26 engages a ball race 38, and the blower stops. Air is caused to flow through the annular space between the chamber 40 and a surround ing shell 60 by means of fan vanes 63. In a modification, the spring 51 is omitted. A thermostat 21 operates the furnace dampers.
Patent GB-102100-A (GB)
Title: A Process of Protecting Organic Tissue from the Attacks of Destructive Organisms.
Inventor: EVERHART LAY HAMPTON
IPC: B27K3/32
Filed: 1916-04-05
Abstract: 102,100. Everhart, L. H. April 5, 1916. Water solutions of chemical compounds for proofing; wood, treating with liquids.-Organic tissue, such as wood, leather, or fibre, is protected from the attacks of destructive orgnnisms by treating it with a solution of a soluble inorganic arsenical compound, such as an arsenate of an alkali metal, and precipitating an arsenical compound of lead within the tissue by means of a soluble lead salt. such as lead acetate.
Patent GB-675616-A (GB)
Title: Improved drain pipe
IPC: E03F3/04
Filed: 1950-02-28
Abstract: 675,616. Conduits. HLAVKA, F. Jan. 23, 1951 [Feb. 28, 1950]. No. 5033/50. Class 33 A conduit having a bore 10 with the upper part wider than the bottom part has a bridge piece 16 carrying grooves 15 in which gas and water pipes and electric cables may be laid. The conduit may be formed of segments 11, 12 and 13 and have ledges 14 to facilitate lifting. The grooves 15 may be integral with the conduit, Fig. 1. A cover 17 may be provided.
Patent GB-547688-A (GB)
Title: Improvements in washing agents and in the manufacture thereof
IPC: C11D3/06
Filed: 1941-04-18
Abstract: 547,688. Cleansing compositions. LEVER BROS. & UNILEVER, Ltd., THOMAS, R., and BROWN, C. B. April 18, 1941, Nos. 5042 and 9242. [Class 91] In the production of a washing agent comprising a mixture of a non-soapy detergent with a pyro-phosphate or a polyphosphate of an alkali metal, the detergent used being a compound admixed with sodium chloride or sulphate or other neutral salt produced during its manufacture, the salt is substantially removed prior to mixing the non-soapy detergent with the pyro- or polyphosphate. The class of detergents used comprises the sodium salts of sulphated or sulphonated fatty alcohols and the condensation compounds of isethionic acid, taurine, sarcosine, or metaniline with fatty acid radicals, e.g. the substances known under the Registered Trade Marks " Igepon " and " Gardinol." The desalted washing agent produced is equally effective for washing cotton goods as for silk or woollen goods. The salt content is reduced to below ten per cent. and preferably below five per cent. The salt is removed by extraction with a suitable solvent such as alcohol. The proportion of pyro-or polyphosphate on an. anhydrous basis in the mixture ranges from 50 to 150 per cent. by weight of the desalted non-soapy detergent. The polyphosphates specified comprise sodium triphosphate and sodium tetraphosphate; as an example of a pyrophosphate, tetrasodium pyrophosphate is specified.
Patent GB-137342-A (GB)
Title: Improvements relating to the fastening of curved embossing and printing plates to cylinders
IPC: B41F27/10
Filed: 1918-03-25
Abstract: 137,342. Kr³ger, O. March 25, 1918. Printing and embossing surfaces.-Printing and embossing plates are secured on cylinders, with the meeting edges properly joined or in contact, by means of bars secured to the cylinder and engaging recesses in the edges. As shown, the plates p are held on the cylinder w at their side edges by flanged rings &c. (not shown), and the meeting edges of the plates are held by bars l secured in the cylinder, each bar being formed on one side with a rectangular projecting rib or key f and on the other side with a splayed or wedge-shaped recess n, and the edges of the plates p being correspondingly formed. The rotation of the cylinder in the direction shown by the arrow tends to wedge the rear edge of the plate into the splayed recess n, and outward movement of the other edge is at the same time prevented by the rib f.
Patent GB-575711-A (GB)
Title: Improvements in or relating to rivetting appliances
IPC: B21J15/18
Filed: 1944-03-22
Abstract: 575,711. Riveting. AXON, F. T., and AXON, T. F. March 22, 1944, No. 5361. [Class 83 (iv)] A riveting gun has formed therewith or applied thereto means for bringing an abutment into contact with the other end of the rivet. As applied to a fluid - operated gun, a piston 1 is secured at 3 to the outside of the gun and a cylinder 4a slides upon it; packing being fitted at 5. Pressure fluid supplied at 11, by a branch from the supply for the gun, is controlled by a press valve 8. A yoke 12 is secured to a part 4b of the cylinder and carries the abutment 13 for the rivet. A stop may be fitted to limit the movement of the abutment. In a hand-operated form, a collar adjustably screwed on the gun is pivotally linked to a hand lever pivoted to the yoke that slides on the rear part of the gun.
Patent GB-1045988-A (GB)
Title: Improvements in or relating to indole derivatives
IPC: C07D209/42
Filed: 1964-02-10
Abstract: Novel compounds of the Formula I wherein R1 and R2 represent hydrogen atoms or C1- 5\t alkyl, N,N-dimethylaminopropyl, phenyl or benzyl radicals; R3 represents a radical of the Formula II wherein X represents an oxygen atom or an imino group and A and B represent alkyl radicals or they represent an alkylene chain joined with the nitrogen atom to which they are bonded to form a ring, said ring being optionally interrupted by an oxygen atom or by a further tertiary nitrogen atom; and R5 represents a hydrogen or halogen atom or an alkoxy, allyloxy or benzyloxy group and salts thereof are prepared by reacting a substituted indole-3-carboxylic acid of the Formula III, or the acid chloride or an ester thereof with a base of the Formula IV by a method known per se to produce a compound of the Formula I or a salt thereof.  <FORM:1045988/C2/1> <FORM:1045988/C2/2> <FORM:1045988/C2/3> <FORM:1045988/C2/4> 1 - Benzyl - 2 - methyl - 5 - benzyloxy - indole-3-carboxylic acid chloride may be prepared by treating the corresponding acid with thionyl chloride.  Therapeutic compositions for use as agents for controlling blood circulation and for local anaesthetics comprise compounds of the Formula I or salts thereof with a pharmaceutically compatible carrier therefor.
Patent GB-112876-A (GB)
Title: Improvements in or relating to the Obtainment of Gold and Silver from their Ores.
Inventor: LOCKWOOD ALFRED ANDREW
IPC: C22B11/08
Filed: 1917-04-18
Abstract: 112,876. Lockwood, A. A. April 18, 1917. Separating by gravity. - In order to exclude coarse particles, pulped ore in a cyaniding tank is siphoned off from the top of a tubular or other open-bottomed compartment c fitted with upwardly-directed perforated baffles d.
Patent GB-677562-A (GB)
Title: Improvements in or relating to magnifying devices
IPC: G02B25/02
Filed: 1951-03-04
Abstract: 677,562. Optical magnifying apparatus. WETZEL, F. March 5, 1951 [March 4, 1951], No. 5527/50. Class 97 (i). In a magnifying device comprising a block 3 of light diffusing medium, e.g. glass or plastic having a recess 6 to accommodate the object to be inspected and a magnifying lens 9, the block is apertured at 10 on each side to allow an object such as a hyperdermic needle to be inserted for viewing and is bored at 13 to accommodate a plunger 12 having an aperture 18 which can be aligned with the apertures 10 to allow passage of the needle, a spring 11 urging the plunger to hold the needle or the like in position for viewing. As described, two plungers are provided, one on each side of the recess 6, and the apertures 18 therein are maintained in proper orientation by engagement of pins 16 on sleeves 14 fixed to the block, with grooves 17 in extensions 15 of the plunger. The block has a thread spigot 4 to which a handle 5 can be screwed. If desired, this handle may contain a light source 21 and battery. A coloured base, for example of plastic may accommodate the block 3 in guides 20.
Patent GB-373270-A (GB)
Title: Improvements in or relating to electric discharge lamps
IPC: H01J17/30
Filed: 1931-02-21
Abstract: 373,270. Discharge lamps. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London, and BRETT, G. F., 23, Cross Flatts Avenue, Dewsbury Road, Leeds. Feb. 21, 1931, No. 5540. [Class 39 (i).] A lamp has an auxiliary electrode formed by dividing the cathode into two parts, one part consisting of a long cylinder and the other part, acting as the auxiliary electrode, consisting of a metal ring or cylinder of small area mounted between the long cylinder and the anode, so that a trigger discharge may be produced for initiating the main discharge. As shown, the auxiliary electrode consists of a wire ring or short cylinder AE mounted between a cylindrical anode A and a long cylindrical cathode C. A glass sleeve S prevents blackening of the envelope. In a modification the auxiliary electrode is mounted around the gap between the anode and cathode, and outside of the main discharge, so that the light from the discharge to the auxiliary electrode is small when viewed from the direction of the cathode. In other arrangements the anode consists of a wire ring, or of a plate or disc at right-angles to the axis of the cathode.
Patent GB-1527941-A (GB)
Title: 1-(3-phenylpropyl)-4-(beta-alkoxyacryloyl)piperazine derivatives
IPC: C07D295/185
Filed: 1976-02-12
Abstract: 1527941 Piperazine derivatives KYORIN PHARMACEUTICAL CO Ltd 12 Feb 1976 [27 May 1975 26 Dec 1975] 05542/76 Heading C2C Novel compounds I in which each of R 1 , R 2  and R 3  is H or C 1-6  alkyl, provided that at least one of R 1  and R 2  is C 1-6  alkyl, and R is C 1-6  alkyl, and acid addition salts thereof, are prepared by reacting a compound II  with an acid of formula or a reactive derivative thereof, and, if desired, reacting a resulting compound I with an acid to produce an acid addition salt thereof. Anaesthetic compositions comprise one of the above novel compounds together with a pharmaceutical diluent or carrier.
Patent GB-1031171-A (GB)
Title: Improvements in a governor
IPC: G05B11/50
Filed: 1963-02-11
Abstract: 1,031,171. Fluid analogue computer. A. EKSTROMS MASKINAFFAR. A. B. Feb. 11,1963 [Feb. 10, 1962J, No. 5553/63. Heading G3P. A pneumatic or hydraulic regulator comprises a triangularly shaped plate 2 universally pivoted at 3 and carrying at its side opposite the pivot a bar 4 which tilts a baffle 50 pivoted on a support 52 and coacting with a nozzle 48, the support and nozzle being movable for proportional band adjustment along a bar 6 which is itself adjustable as to its distance from and angular relation to the bar 4. The actual value of a controlled variable, as shown the pressure in apparatus 39, is fed through a baffle-nozzle relay 33 to a conduit 12 connected to a pressure gauge 13 and a bellows 11 which bears on the plate 2 in opposition to a bellows 7 in which the desired value is set by a valve 8 and indicated by a gauge 9. Tilting of the plate 2 in response to an error between the actual and desired values alters the pressure upstream of the nozzle 48 to cause adjustment of a diaphragm-actuated valve 31. The pressure in the conduit 12 is also fed to a bellows 14 and, through a restriction 17, to an opposed bellows 15 to provide a derivative effect. The output pressure to the valve 31 also passes through a conduit 19 to a bellows 18 for proportional action and through a conduit 21 with a restriction 22 to an intergrating bellows 20 in opposition to the bellows 18. A further control, responsive to the derivative of the pressure upstream of the valve 31 is exercised by a baffle-nozzle relay 43 feeding directly a bellows 23 and, through a restriction 26, an opposed bellows 24. The bellows 14,15 and 23, 24 may operate in the reverse sense, and an additional nozzle may be controlled by the bar 4.
Patent GB-1024075-A (GB)
Title: Door arrangement
IPC: A01K31/02
Filed: 1964-02-11
Abstract: 1,024,075. Cages. APEX POULTRY SYSTEMS. Ltd. Feb. 11, 1964 [Feb. 12, 1963], No. 5619/64. Heading A1M. A closure for use on a bird cage, chicken run or coop comprises spaced horizontal rails 2 and vertical posts 1a between which extends a wire 7 forming the base element of a door 3, the ends of the wire 7 being shaped to form eyes 6 which slide on the posts 1a. The door 3 is connected to the upper rail 2 by a U-shaped member 12 the connecting portion 13 of which is pivotally received in notches 14 formed in the outer wires 9 of the door, the location of notches 14 being such that the part 13 is close to the centre of gravity of the door so that when the eyes 66 are moved along posts 1a the door is maintained in the open position by the movement of the centre of gravity about the axis 13. The eyes 6 are set obliquely to the plane of the door and to the posts 1a so that in the open position of the door they exert a clamping action on the posts to prevent further upward movement of the door. The eyes 6 may be replaced by shoe or roller elements adapted to co-operate with the posts or track means associated with the posts.
Patent GB-1191094-A (GB)
Title: Disproportion Reaction
IPC: C07C1/00
Filed: 1969-02-03
Abstract: 1,191,094. Disproportionating alkylaromatic hydrocarbons. TEXACO DEVELOPMENT CORP. 3 Feb., 1969 [29 Feb., 1968], No. 5625/69. Heading C5E. Alkylaromatic hydrocarbons are disproportionated by contacting them admixed with a sulphide compound under disproportionation conditions with hydrogen mordenite having a SiO 2 : Al 2 O 3  mole ratio greater than 10: 1 and a sulphided Group VIII and/or VI B  metal associated therewith. The alkylaromatic feed may be methylnaphthalene or an alkylbenzene having one to three C 1 -C 4  alkyl groups, e.g. toluene, xylene, mesitylene, ethylbenzene or cumene. The Group VIII metal may be Pt, Pd, Rh or Ru in amount 0À05-2% by wt. of the mordenite, or Ni, Co or Fe in amount 0À5-10% by wt. of the mordenite. The Group VIB metal (Cr, Mo, W) may be used in amount 0À5-20% by wt. The sulphide compound may be H 2 S, CS 2 , methyl sulphide or ethylmercaptan. The process is preferably conducted in the presence of hydrogen. Suitable disproportionation conditions comprise a temperature of 400-750‹ F. and a pressure of 0-1000 p.s.i.g. Mordenite catalysts having a sufficient SiO 2 : Al 2 O 3  mole ratio may be produced by acid leaching e.g. with boiling dilute HCl. Examples of the invention describe the disproportionation of toluene to benzene and C 8  aromatics.
Patent GB-106483-A (GB)
Title: Improvements in or relating to the Manufacture of Acetic Aldehyde from Acetylene.
Inventor: HENRY DREYFUS
Filed: 1917-04-23
Abstract: 106,483. Dreyfus, H. April 27, 1916, [Convention date]. Void [Published under Sect. 91 of the Act]. Addition to 105,064. Acetaldehyde.-The process for the production of acetaldehyde from acetylene described in the parent Specification is modified by using a sulphuric acid solution of over 20 per cent. strength and extracting the aldehyde by means of a solvent, such as derivatives of acetylene, ethylene, or benzene.
Patent GB-365842-A (GB)
Title: Improvements in or relating to means for facilitating the extraction of corks, bungs or like stoppers
IPC: B65D39/16
Filed: 1931-02-24
Abstract: 365,842. Cork, bung, and like extractors. L IN D L E Y, H., Meregarth, Windermere, Westmorland. Feb. 24, 1931, No. 5835. [Classes 21, 125 (ii), and 125 (iii).] To facilitate the extraction of corks, bungs, &c., a length of stiff wire 1 is bent on itself at the middle and the ends 1a are bent at right-angles to the plane of the bent portion of the wire. The ends la engage between the cork and the mouth of the bottle &c. and the doubled portion of the wire is used as a lever in extracting the cork. The extremities 1b of the wire may be bent inwardly and sharpened to bite into, or engage beneath the cork. Alternatively they may be bent at an angle of 45‹ to the parts 1a. The bent portion 1c extends beyond the centre of the cork. Two such devices may be used with a single cork.
Patent GB-492434-A (GB)
Title: Improvements in or relating to casings, more particularly for electric motors
IPC: H02K5/15
Filed: 1938-02-24
Abstract: 492,434. Motor casings. BOSCH GES., R., (formerly BOSCH AKT.-GES., R.). Feb. 24, 1938, No. 5838. Convention date, Feb. 26, 1937. [Class 35] [Also in Group XVII] A thin tubular casing, such as an electricmotor casing has slots through which project into the casing plates for receiving the threaded ends of screws passed through the end cover, one side of the plate resting against a shoulder on the end cover when the latter is in position. In the form shown, pins 9, 10 with enlarged heads 9a, 10a project through slots 1a in the motor casing 1 and receive the threaded ends of bolts 7, 8 passing through the end covers 2, 3 which have shoulders 2a, 3a bearing against one side of the pins when the covers are in position.
Patent GB-1095061-A (GB)
Title: Ignition system for internal combustion engine
IPC: F02P3/08
Filed: 1965-02-10
Abstract: 1, 095,061. Ignition systems. ELTRA CORPORATION. Feb. 10, 1965 [Nov. 16, 1964], No. 5865/65. Heading F1B. In an ignition system, a triggering means for causing intermittent release of the energy from an energy storage device 46 comprises a solid state oscillator, the oscillator 20 having a control electrode and a pair of magnetically coupled inductive coils operably connected to the control electrode whereby changes in the mutual inductance between the coils causes variations in the output of the oscillator and means to cause the output variations to effect a periodic discharge of energy from the energy storage device to the spark discharge device or devices. The oscillator is an astable blocking oscillator comprising a PNP transistor 20. As shown the storage capacitor 46 is connected to the full wave rectifier of the power supply through a diode 47 and a coil 48. If desired a second storage capacitor 49 may be connected in parallel with the storage capacitor 46 when starting. When the SCR43 is triggered by the differential pulse from the triggering circuit the capacitor 46 discharges through the SCR43 and the primary 45 of the pulse transformer P. A modified triggering circuit is described. The coils L 1 , L 2 , L 3  may be wound on a ferrite A core which is preferably encased in a non-magnetic housing which is fixed within a conventional distributer in place of the conventional points. A plurality of ferrite bars or "I-cores" are equally spaced around the periphery of a non-magnetic ring secured to the distributer shaft. Rotation of the ring will pass each of the I-cores closely adjacent the legs of the A-core. An advantage of the system is the elimination of the conventional coil.
Patent GB-349130-A (GB)
Title: Improvements in the construction of drawing, mounting and like built-up boards
IPC: B41B1/00
Filed: 1930-02-22
Abstract: 349,130. Composite wood blocks. WHITFIELD, J. H., 11, Hobb's Place, St. John's Road, Hoxton, London. Feb. 22, 1930, No. 5938. [Class 145 (ii).] A built-up board, such as a printer's mounting- board or a drawing-board, consists of endpieces 5 extending across the full width of the board and intermediate sections 6 held together by a multiple rib-and-groove engagement 7, 8 along all joints. The ribs 7 and grooves 8 are parallel and identical in shape, so that the various sections can be interchanged.
Patent GB-690706-A (GB)
Title: Coated nylon fabrics
Inventor: CHARLTON WILLIAM
IPC: D06M13/395
Filed: 1950-03-09
Abstract: 690,706. Coated nylon fabrics. IMPERIAL CHEMICAL INDUSTRIES, Ltd. March 9, 1951. [March 9, 1950] No. 5955/50. Class 140. Coated nylon fabric is produced by treating nylon fabric with a solution containing a polyester derived from adipic acid, ethylene glycol and glycerol, and an aromatic hydrocarbon diisocyanate, evaporating the solvent and subjecting the fabric to heat treatment. Examples of aromatic hydrocarbon diisocyanates are m-phenylene diisocyanate and toluylene- 2 : 4-diisocyanate. Suitable solvents are butyl acetate, ethyl acetate, methyl ethyl ketone, methyl isobutyl ketone, methylcyclohexanone. Additional ingredients such as a pigment, a natural hydrocarbon wax, a synthetic hydrocarbon wax such as polythene or a plasticiser such as dibutyl phthalate may be included. Prior to, during, or after the heat treatment the coating may be polished, for example by a calendering operation, or embossed effects may be obtained, for example by means of an embossing calender. Specification 573,933 is referred to.