baber/WOPTO huggingface dataset:
Patent GB-727878-A (GB)
Title: Improvements in or connected with vacuum flasks, jugs, jars and the like
IPC: A47J41/02
Filed: 1953-12-01
Abstract: 727,878. Vacuum-jacketed vessels. ISOVAC, Ltd., and CATLIN, R. J. Dec. 17, 1953 [Dec. 1, 1953], No. 33328/53. Class 64 (2). The bottom 1 of the outer container 2 of a vacuum flask 5 or the like has a raised central portion 3 with a hole into which engages a cup-like cap 7 secured to the bottom of the flask around the central sealing-off tip 6, and a rubber or other resilient ring 8 around the upper part of the cap rests on the surround of the hole.
Patent GB-1140790-A (GB)
Title: A needle for surgical operations
Inventor: DAIKHOVSKY BORIS YAKOVLEVICH
IPC: A61B17/06
Filed: 1967-07-20
Abstract: 1,140,790. Surgical needles. KUNTSEVSKY IGOLNO-PLATINNY ZAVOD IMENI KIM. 20 July, 1967, No. 33408/67. Heading D1G. A surgical needle has a tubular portion 6 and a tongue 4 attached to the wall of the tubular portion and extending into the bore theeof at an angle to the axis of the needle. The tubular portion is formed with a longitudinal diametrical slot 3 for suture material, and the tongue is stamped from the wall of the tubular portion.
Patent GB-642832-A (GB)
Title: Improvements in and relating to socket members for snap fasteners
IPC: A44B17/00
Filed: 1947-12-18
Abstract: 642,832. Snap fasteners. UNITED-CARR FASTENER CORPORATION. Dec. 18, 1947, No. 33436. Convention date, Dec. 18, 1946. [Class 44] The socket member of a snap fastener having a stud member with an enlarged head and a reduced neck comprises a hollow casing 10 having a wall 12 formed with a stud head-receiving aperture 14, a stud-engaging member 16 mounted within the casing to have sliding bearing engagement therein and having fingers 18 which are displaceable radially of the aperture 14 upon insertion of the stud head. The casing 10 is formed with a base wall 11 having prongs or the like for securing to the fabric 6, and the member 16 is in the form of a split ring with inwardly projecting fingers 18 and an opening 22. The walls 11, 12 of the casing 10 are supported against collapse or distortion by means of a spacing member 20 bearing on each wall and having guiding means for the fingers 18, e.g. member 20 may be a disc having spaced sector-shaped embossments 21, the channels 23 between which accommodate the fingers 18.
Patent GB-625852-A (GB)
Title: Direct-fired unit air heater
IPC: F24H3/08
Filed: 1946-11-11
Abstract: 625,852. Air and gas heating stoves. RUSH, R. M. Nov. 11, 1946, No. 33445. Convention date, Sept. 4, 1945. [Class 64(i)] Relates to air heaters of the kind described in Specification 554,401 and adapted for use as suspended or overhead heaters. The invention consists in improvements in the arrangement of heat-exchange tubes leading from the combustion chamber, connecting headers, and flue-box and exhaust fan. A combustion chamber 2 is placed within an outer casing carrying an oil or gas burners 7 in a port 8 so placed that the flames and waste gases are projected horizontally into the combustion chamber. The remote end wall of the chamber deflects the gases upwardly to flow in the reverse direction and then pass through a passage 10 to a header 13. From the header 13 the gases pass through a bank of horizontal heat-exchange tubes 14 above the combustion chamber through a header 15 to a second bank of tubes 16. From the tubes 16 the gases escape to a flue-box 17, regulated by a damper 19, to an exhaust fan 18. Air is drawn into the casing by three fans 20 mounted within plates 23, 24 on a common shaft 21, Fig. 2, driven by a motor 22 which also drives the fan 18. The fans 20 direct streams of air downward over and between the heatexchange tubes, then around the combustion chamber. The air warmed in its passage through the casing finally passes to the room to be heated through louvred cowls 25. The lower part of the combustion chamber 2 has a refractory lining 11. The walls of the chamber may be flat plate steel or may be partly corrugated as in Specification 618,428. Deflector plates 35, 36 are fixed to the side and end walls of the combustion chamber. The arrangement of the flue-box and exhaust fan is the same as in Specification 625,851.
Patent GB-378294-A (GB)
Title: Improvements in and relating to rubber-covered conductors
IPC: H01B7/02
Filed: 1931-12-03
Abstract: 378,294. Insulating c o n d u c t o r s . RHEINISCHE DRAHT-UND KABEL. WERKE GES., 192, Amsterdamer Strasse, Riehl, Cologne, Germany. Dec. 3, 1931, No. 33505. Convention date, Jan. 14. [Class 36.] A conductor is formed with two layers of rubber insulation, the outer layer being unvulcanized. Material may be added to the outer layer to increase resistance to mechanical stresses and to prevent absorption of water. The outer layer may be coloured.
Patent GB-1405696-A (GB)
Title: Sliding clasp fastener slider
IPC: A44B19/30
Filed: 1973-07-13
Abstract: 1405696 Sliders for sliding clasp fasteners H HORLACHER 13 July 1973 33602/73 Heading E2S  A slider for a sliding clasp fastener comprises a slide member 2 and cover spring 4 which has a first portion 24 passing round the end of the member 2, to which it is secured, and a second portion having a tooth 32 for engaging with the fastened fastener. The cover spring 4 covers a bead 14 on the member 2 and is provided with notched sides 18 for a pivot pin 22 of a pull tab 6. A nose 34 of the member 2 projects through a slot 30 in the cover spring 4 and forms an abutment therefor when the latter is flexed upwardly by the pull tab 6.
Patent GB-364243-A (GB)
Title: Improvements in or relating to preserving oxidizable organic compounds
IPC: C08K5/00
Filed: 1930-11-08
Abstract: Transformer oils and soaps are protected against oxidation by the addition of a reaction product of an aminoacenaphthene with an aldehyde or formic acid.  Aldehydes specified are: formaldehyde, crotonaldehyde, butyraldehyde, acetaldehyde, benzaldehyde, heptaldehyde, acrolein, valeraldehyde, furfuraldehyde and aldol.ALSO:Antioxidants for rubber or other oxidizable organic compounds, such as transformer oils or soaps, are manufactured by reacting an aminoacenaphthene with an aldehyde or formic acid in solution in alcohol, petroleum ether or other solvent, if necessary refluxing the mixture.  The starting material may be a mixture, consisting mainly of 3-aminoacenaphthene, <FORM:0364243/IV/1> but containing also the 1- and 2-amino compounds, which is obtained by reducing the product of nitration of acenaphthene. Examples are given of the use as antioxidants for rubber of the reaction products of this mixture with formaldehyde, formic acid, crotonaldehyde, and butyraldehyde.  Other aldehydes specified are acetaldehyde, benzaldehyde, heptaldehyde, acrolein, valeraldehyde, furfuraldehyde, and aldol.ALSO:Antioxidants for rubber comprise the reaction products of aminoacenaphthenes with aldehydes or formic acid.  Examples describe the use of reaction products of an isomeric mixture of aminoacenaphthenes with formaldehyde, formic acid, crotonaldehyde, and butyraldehyde.  Other aldehydes specified are acetaldehyde, benzaldehyde, heptaldehyde, acrolein, valeraldehyde, furfuraldehyde, and aldol.
Patent GB-905996-A (GB)
Title: A process for the treatment of hydraulic fluids
IPC: F15B21/044
Filed: 1960-09-30
Abstract: Air and other gases are removed from hydraulic fluids before or during the filling of the fluid reservoir with the fluid but before the fluid reservoir housing is closed, the degassing being effected by (a) subjecting the fluid to a vacuum, or (b) centrifuging the fluid, or (c) treating the fluid with a suspension of sodium in oil and thereafter separating the resulting compounds from the fluid by centrifuging.
Patent GB-174328-A (GB)
Title: Improvements relating to fusible devices for protecting electric circuits
IPC: H01H85/38
Filed: 1921-12-15
Abstract: 174,328. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Storer, N. W.). Jan. 20, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Protective arrangements.-To reduce the explosive action and arcing tendencies of highpotential fuses, the final circuit interruption is arranged to occur at a reduced and safe current value. In the arrangement shown, the feeder 2 supplies a motor 1 through a trolly 3, resistance elements 5, 6, 7 and fuse elements 8, 9, 10. The fuses 8, 9, 10 are progressively of smaller rating, in the order named, and resistances 5, 6, 7 are progressively of larger resistance, in the order named. The fuses 8, 9 normally shunt the resistances 6, 7 respectively, and, as they are successively ruptured on overload, resistance is added to the circuit until the final fuse 10 is ruptured by a greatly reduced current.
Patent GB-1366151-A (GB)
Title: Sheet feeding apparatus
IPC: G06K13/10
Filed: 1971-07-19
Abstract: 1366151 Feeding sheets DECISION DATA COMPUTER CORP 19 July 1971 [17 May 1971] 33824/71 Heading B8R Sheets are separated from the bottom of a pile in a magazine having side guide rails 22, Figs. 3 and 4, and passed through an adjustable throat 34 by high-friction rollers 30 each comprising a plurality of flexible discs to allow axial yielding and a low-friction roller 31, the rollers 30, 31 being mounted at an angle to the feed path so as to urge the sheets laterally against a side register plane 23. The motor 26 driving the rollers is actuated by closing a start switch, and when the trailing edge of the sheet has passed a photo-transistor detector unit 60, the motor is actuated to drive the rollers a short amount in reverse to move the next sheet back into the magazine if it has started to leave it.
Patent GB-1521219-A (GB)
Title: Method and apparatus for treating aqueous liquids with ozone
IPC: C02F3/26
Filed: 1976-08-13
Abstract: 1521219 Treating liquids with ozone EMERY INDUSTRIES Inc 13 Aug 1976 [18 Aug 1975] 33843/76 Heading CIC An aqueous liquid is treated with ozone by mixing a residual ozone-containing gas with the liquid under pressure and thereafter mixing the thus treated liquid with freshly generated ozone gas and returning the ozone remaining from this second treatment to provide the residual ozonecontaining gas. The liquid to be treated is preferably impure water. In a preferred embodiment, contaminated water from tank 10 enters an eductor 14 where it is mixed with residual ozone-containing gas from line 26, and is passed to tank 16. The water discharged from tank 16 enters eductor 20 where it is mixed with fresh ozone-containing gas from ozonator 28, and is passed to tank 22. The treated water is discharged from tank 22 via line.24 and the residual ozone-containing gas from tank 22 is recycled to eductor 14 via line 26.
Patent GB-190177-A (GB)
Title: Improvements in or relating to high-frequency electric installations
IPC: H03B5/10
Filed: 1922-12-12
Abstract: 190,177. Beauvais, G. A. Dec. 12, 1921, [Convention date]. Addition to 131,018. Thermionic oscillation generators and modulating systems.-The grid-filament circuit of an oscillation generator has two parallel branches, one including a condenser g and the grid coupling d in series, and carrying the oscillatory component of the grid current, the other branch including a high-frequency choke coil z in series with a resistance f or a modulating-valve, and carrying the direct component of the grid current. The coil z is not coupled either to the grid coil d or to the plate coil a<1>. Fig. 1 shows the invention applied to a valve generator in which the plate circuit is tuned by a condenser a<2> and the grid and plate coils d, a<1> are coupled in the usual way. Fig. 3 shows the invention applied to a generator in which the aerial inductance coil S is connected at its lower end through a highpotential source e to the plate b<3> and has tap connections F, G to the grid b<2> and filament b<1> respectively. The filament is heated bv an earthed battery C and its circuit includes the lower part of the aerial inductance. S and a coil I coupled thereto. Between the grid b<2> and the tap F a condenser g is interposed, and the direct component of the grid current traverses an uncoupled coil z and the plate-filament path of a control valve m, the grid potential of which is controlled by a microphone h. This arrangement reduces the oscillatory potential of the valve m and the microphone, transformers, batteries, &c. associated therewith. Any of the modulating arrangements described in the parent Specification may replace the valve m of Fig. 3 or the resistance f of Fig. 1.
Patent GB-817459-A (GB)
Title: Improvements relating to garment presses
Inventor: GRIMSLEY GEORGE FREDERICK
IPC: D06F71/06
Filed: 1957-10-30
Abstract: 817,459. Ironing presses. GRIMSLEY & CO. LEICESTER Ltd. March 6, 1958 [Oct. 30, 1957], No. 33888/57. Class 138 (2). A device for adjusting the relative angles of the top and bottom bucks of a garment press comprises a pivoted connection in the form of studs 17 in plummer blocks 18 between the lever arm 5 and the top buck 3, which can be locked in a desired position by means of bolts 20. To adjust the angle of the top buck, bolts 20 are released and hand knob 25 turned to rotate tierod 24 which is free to rotate but cannot move axially in sleeve 22. The thread of the tie-rod moves socket 26 to left or right and thus, through bell-crank 27a, 27b and link 29 moves bracket 30 which is attached near the edge of the buck, so tilting the buck about the pivot 17. When the desired angle is reached bolts 20 clamp the buck with respect to lever arm 5. The machine includes provision for adjusting the daylight in the fully closed position and has counterweights 9 pivoted at 10 in place of the usual fixed weights.
Patent GB-337972-A (GB)
Title: Improvements in or relating to couplings for tractors and trailers
IPC: B62D53/06
Filed: 1929-11-07
Abstract: 337,972. Maffei Akt.-Ges., J. A. Nov. 7, 1928, [Convention date]. Driving auxiliary parts. - A device for transferring part of the weight of the trailer to the rear of the tractor comprises a fork 3 on the draft bar 1, a nut 4 on a screw spindle 2, and gearing in a box 9 for conveying power from the engine to rotate the spindle. A winding drum 18 may be fitted and driven from the box 9 by means of a clutch handle 17 and shaft 19 traversing a hollow shaft 10.
Patent GB-850217-A (GB)
Title: Improvements in or relating to raising devices for rake wheels
IPC: A01D78/00
Filed: 1956-11-09
Abstract: 850,217. Haymaking machines. BAYERISCHE PFLUGFABRIK G.m.b.H. Nov. 9, 1956 [Sept. 5, 1956], No. 34252/56. Class 6(3). In a haymaking machine of the type having rake-wheels 7 mounted on cranks 6 carried by a frame, all the rake-wheels are raised by a cableoperated half-revolution clutch driven by a ground-wheel on which the frame is mounted. The cranks are all connected by springs 8 to a common connecting rod 10 movable longitudinally to raise or lower the rake-wheels. The rod 10 is connected by an adjustable link 11 to a crank 5 on the shaft 4 of the half-revolution clutch 1 which is driven from the ground-wheel 2 under the control of the cable 3. The clutch and crank 5 perform rotations of 180 degrees to raise or lower the rake-wheels, the operating height being adjustable by a turnbuckle in the link 11. Specification 850,218 is referred to.
Patent GB-299223-A (GB)
Title: An improved machine for sharpening tools
IPC: B24B3/36
Filed: 1927-12-17
Abstract: 299,223. Ward & Co., Ltd., H. W., and Heafield, G, Dec. 17, 1927. Cutting-edges, treating.-In a machine for sharpening scrapers or other tools, a grinding- disc a is rotated by a handle c or by power. The tool is positioned on a support d by pins c, and the support is oscillated about a pivot f, against spring-pressure, by thrust rods j, k, actuated from a cam i. A felt pad m supplies lubricant to the grinding-disc.
Patent GB-338718-A (GB)
Title: Improvements in spark plugs
IPC: H01T21/02
Filed: 1929-11-09
Abstract: 338,718. A.C. Spark Plug Co. Dec. 7, 1928, [Convention date]. Sparking - plugs. - Mica washers 14, 16 are tightened against the electrode head 17 by axial pressure on a metal bush 10, and are permanently retained by deformation of the part 45 of smaller diameter which, while electrically heated, is caused to embed itself in the mica wrapping 11 around the conductor 15. The external mica washers 18, 19 are similarly secured by deforming the grooved nut 20, and the structure thus formed is held in the casing B by turning over the lip 32 during deformation of the grooved part 39<1>. Additional washers 37, 33 are placed in the casing.
Patent GB-836762-A (GB)
Title: An improved process for the manufacture of threads, fibres and films from viscose, as well as the products thus obtained
IPC: D01F2/10
Filed: 1958-10-27
Abstract: Artificial threads, films and like products are made by extruding into an acid spinbath containing at least 2% by weight of a soluble zinc salt, and preferably sulphuric acid, viscose containing an ethoxylated cation-active quaternary ammonium compound and a polyepoxy ethane in the relative proportions of 40-80% by weight of the former to 60-20% by weight of the latter.  The cation-active compound has the general formula <FORM:0836762/IV (a)/1> where R1 and R2 represent preferably alkyl radicals, R1 preferably containing 6 or more carbon atoms and R2 preferably containing 1-3 carbon atoms; Z represents an anion such as hydroxide, halide, sulphate or acetate; x and y are whole numbers whose sum may be up to 50 or more; and n is 2-4. R1 may be derived from coconut oil or soya bean oil or may be octadecyl, n may be 2, x+y may be 2, 10 or 15 and Z may be chlorine. The proportion of cation-active compound in the viscose may be 0.5 to 5% by weight, based on the cellulose in the viscose, and the total proportion of cation-active compound plus polyepoxy ethane in the viscose is preferably at least 1% and may be over 2%.  The molecular weight of the polyepoxy ethane is preferably 1500-4500.  The zinc salt in the spinning bath is preferably zinc sulphate in the proportion of 3 to 5%.  The sulphuric acid content of the spin bath is preferably below 7% by weight.  The viscose preferably contains 5.5-8% of cellulose and 4-6% of sodium hydroxide and preferably has an ammonium chloride salt point of 10 to 18.  After being withdrawn from the spin bath the threads may be stretched in excess of 50% in a weakly acidic second bath at a temperature above 80 DEG  C.  In an example, viscose containing 7.5% of cellulose, 5.7% of sodium hydroxide, 36% of carbon bisulphide (based on the cellulose), 1% (based on the cellulose) of a cation-active compound in which R1 is a saturated straight chain hydrocarbon radical containing 8-18 carbon atoms, R2 is methyl, n is 2, x+y=15 and Z is chlorine, and 1% (based on cellulose) of a polyexpoxy ethane having an average molecular weight of about 4000, is spun at a salt-point of 14-16 into an aqueous spin bath at 65 DEG  C. containing 4.8% by weight of sulphuric acid, 12% of sodium sulphate and 3.5% of zinc sulphate. Threads produced according to the invention have a total skin character and are improved with respect to retention of tensile strength after plying to form tyre cord.
Patent GB-175471-A (GB)
Title: Improvements in and relating to sheet metal casings or boxes suitable for example for electrical apparatus
IPC: H01F27/02
Filed: 1920-12-07
Abstract: 175,471. British Thomson - Houston Co., Ltd., (General Electric Co.). Dec. 7, 1920. Transformers. - A tank or casing for transformers or other electrical apparatus comprises a top bend 10 drawn from a plain sheet of metal, a main body portion 20 formed from a second sheet of metal, and a bottom 12 cut from the drawn sheet. The top band is formed with pockets or distensions a, b to receive bushings or other acessories, and the top wall of the portion 20 is extended above the bottom wall of the distensions as shown in Fig. 3, for the purpose of retaining insulating-material about these accessories. The parts are preferably welded together, and the tank is closed by a cover 21 which is secured to the top band by means of bolts 23 and nuts or lifting-edges 24.
Patent GB-206735-A (GB)
Title: Improvements in and relating to urinals and the like
IPC: E03D13/00
Filed: 1922-12-19
Abstract: 206,735. Howson, R. G. Dec. 19, 1922. Urinals.-In urinal basins formed with a flushing-rim b, the overflow f communicates with the rim so that it is flushed at the same time as the basin.
Patent GB-1500154-A (GB)
Title: Method and apparatus for precipitating particles from a gaseous effluent
IPC: B03C3/38
Filed: 1975-08-20
Abstract: The medium bearing the particles to be precipitated is passed through a channel into a precipitation station (10). Electrodes are introduced into the medium in order to produce ions of both preceding signs. Finally, the medium with the loaded particles is subjected to the action of a substantially even and strong electrical field so that the loaded particles are attracted to one or more electrodes (28). The precipitation station has a central part between an inlet (12) and an outlet (14) for the medium, in which part are arranged at least one positive electrode (26) and at least one negative electrode (28). Furthermore, the precipitation station comprises means for applying a voltage difference to the electrodes in order to produce a high electrical field in the central part of the station. Furthermore, it comprises a high-energy electron-beam source (20) in order to produce a supply of positive ions. Extremely small particles of diameters between 0.1 to 5 microns, for example, can be removed from a gaseous medium. <IMAGE>
Patent GB-1355431-A (GB)
Title: Apparatus for straightening of welded girders
IPC: B21D7/08
Filed: 1971-07-23
Abstract: 1355431 Making girders; straightening; rolling W DOBROTT 23 July 1971 [24 July 1970] 34649/71 Headings B3E B3A and B3B A welded angle section girder is straightened by simultaneously rolling and bending the girder in the region of the welded join between the web 2 and chord 3, Fig. 3, by an upper and a lower roller 6, 7 positioned between a pair of bending rollers 8, 9 whereby the rolling takes place in the plane containing the axes of the upper and lower rollers in which the greatest stresses caused by bending will occur. The rolling pressure is applied to the drivers roller 6 by an hydraulic cylinder 15 and the roller 6 is pivotally mounted on a stand 16, Fig. 6, so that webs of different heights can be rolled. The roller 6 can accomo-  date webs of different thicknesses by means of an adjustable groove formed by a rim 18 and adjustable rings 19, 20. The side of the chord not provided with the web is straightened by rollers  23-26 which are located by means of hydraulic cylinders 27-30 and stands, e.g. 31. The stands are mounted on a frame 35 which is mounted on the rollers 8 and 9 by rollers 36, 37, 40, 41 and 38, 39, 42, 43. The frame 35 is also mounted on rails 48, 49 so that chords of different widths can be straightened.
Patent GB-394244-A (GB)
Title: Improvements in the manufacture of sheets or films from artificial polymerisation products
IPC: C08L27/06
Filed: 1932-12-07
Abstract: The mechanical properties of sheets or films prepared from solutions of artificial polymerization products of a high degree of polymerization capable of forming films, with or without addition of a softening agent, are improved by freeing them, by treatment with an organic liquid, from the solvents and softening agents (if any) still present, without dissolving the polymerized products themselves.  The films or sheets may be obtained by casting solutions of polyvinyl chloride, polyacrylic acid esters (particularly methyl and ethyl esters), polyacrylic nitriles, polystyrols, mixtures or mixed condensation products of these bodies, or condensation products of polyvinyl alcohol with formaldehyde or acetaldehyde, with or without the addition of a softening agent, on a drum-or band-casting machine. The treatment, which may be carried out in suitable tanks, is continued until the desired improvement in properties is obtained, usually for 2-10 hours.  In examples: (1) a film cast from a solution of polyvinyl chloride in a mixture of cyclohexanone and acetone is extracted with (a) methanol, (b) a mixture of methanol and butanol, and (c) benzene; (2) films cast from solutions of polyvinyl chloride in cyclohexanol are extracted with (a) ether, (b) benzene and (c) methanol.