baber/WOPTO huggingface dataset:
Patent GB-436330-A (GB)
Title: Improvements in or relating to carts and like vehicles
IPC: F16D49/10
Filed: 1934-11-09
Abstract: 436,330. Vehicle mountings. DEAS, A., and DEAS, H. A., Hollybank, Glenfarg, Perthshire, and PIPER, J., The Grange, Burntisland, Fifeshire. Nov. 9, 1934, Nos. 32251 and 33572. [Class 108 (ii)] [See also Group XXXIV] In vehicle arrangements in which the braking torque is counteracted by a rearward movement of the body, manually operable means interconnecting the body and the axle structures are provided for effecting relative fore-and-aft movement and the brake operating means are operatively connected to the body. The axle 24 is carried by U-bolts 32 pivoted at 33 to body brackets 34 and is provided with rocker blocks 31 upon which are mounted the shaft 29 connected to the brake bands 26 which are anchored at 27. The body is moved to the rear by means of a handle 39 and link 36 connected to the rockers 31, at the same time causing the brakes to be applied by means of the brake lever 30, the end of which is carried pivotally by a gate which determines the brake pressure desired. The rockers 31 co-operate with similar surfaces 50, 50<1>. In other forms the rockers may be tilted and the body moved longitudinally by rack and pinion, or screw and nut while the brake lever 30 may have a slotted end for connection to its gate. In the form shown in Fig. 11, the axle 24 is adapted to be moved longitudinally with respect to the body by means of racks 96 and pinions 94 through crank handle 102, shaft 99 and worm 97, the brake lever being anchored to a gate 45 on the body.
Patent GB-785633-A (GB)
Title: Improvements in aircraft having a variable wing area
IPC: B64C3/40
Filed: 1955-11-11
Abstract: 785,633. Aircraft wings. HUREL, M. L. Nov. 11, 1955 [Nov. 13, 1954], No. 32264/55. Class 4. A jet propelled aircraft provided with a thin fixed wing for high speed flight has an auxiliary high lift wing 6 for use during low speed flight which is normally housed within the fuselage 1 in the position shown by chain dotted lines and for use, is rotated about a ball-and-socket pivot 13, 15 to the position shown by full lines. The opening 7 in the fuselage to accommodate the wing is closed by flaps (not shown) and the wing carries a circular structure 14 which is slotted at 18 to receive supporting lugs 17 mounted on a framework 14, 19 within the fuselage. The structure 16 carries a toothed ring 22 engaged by the pinion 21 of an electric motor 20 for retraction of the wing 6.
Patent GB-1190082-A (GB)
Title: Process for Packaging Liquids
IPC: B65B29/00
Filed: 1967-07-13
Abstract: 1,190,082. Packaging liquids. SELFPACK G,m.b.H, 13 July, 1967 [28 Sept., 1966], No. 32361/67. Heading B8C. A process for making packages, which may be tetrahedral or cubic, from a tube containing the liquid to be packaged, is characterized in that the liquid in the tube has a gas with inert or sterilizing or preserving qualities dispersed within it to form a homogeneous mixture. After cross-welding and separation of the packages from the tube, the gas will separate out from the liquid to form a compressible cushion, thus removing the risk of the package bursting if the liquid is frozen. The gases which may be used are: the rare gases, ethylene oxide, nitrogen, and chlorofluoro compounds of methane or ethane.
Patent GB-1462407-A (GB)
Title: Preparation of p-isobutyl hydratropic acid and intermediates  therefor
IPC: B01J31/00
Filed: 1974-07-22
Abstract: 1462407 p-lsobutyl hydratopic acid AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO ACRAF SpA 22 July 1974 [11 April 1974] 32364/74 Heading C2C The anti-inflammatory, analgesic and antirheumatic drug "Ibuprofen" of formula is made from a compound of formula where R is C 1-5  alkyl by heating the latter at 200-240‹ C. (a) with a strong acid in aqueous medium or (b) in the dry with a salt of a strong acid and an organic base. The compounds of Formula II may be formed in situ (1) by the reaction of an alkyl α-methyl-α<SP>1</SP>-methyl succinate with vinylisobutyl ketone or (2) by reacting an acetoacetic ester with an alkyl α- halopropionate and then with vinyl isobutyl ketone.
Patent GB-820454-A (GB)
Title: Improvements in, or relating to, furnaces
IPC: F27B1/02
Filed: 1956-10-24
Abstract: 820,454. Reverberatory furnaces. HALL, I. L. Sept. 19, 1957 [Oct. 24, 1956], No. 32395/56. Class 51 (2). In a furnace having a hearth sloping downwardly from the walls to a central depression, combustion chambers on opposite sides of the depression direct burning fuel and air over the hearth towards the depression and the roof has shafts for charging work into the furnace and exhausting waste gases. Fuel from nozzles opening into pipe lines supplying compressed air to ports 35 arranged with their axes parallel to the sloping surface of the hearth 1 is ignited in combustion chambers 2 and the flame sweeps the surface of the hearth 1 towards the central depression, which is formed with a concentric well 20. The floor of the well is formed by metal doors 21 hinged at their outer edges to, open downwardly and held closed by a draw-, bar. A layer of foundry sand or other powdered refractory 17 rests on the doors 21, and a melt-tapping hole 25 is formed in the furnace wall above the refractory 17. Slag tapping holes 27, 27a (not shown), at different levels are formed in the opposite furnace wall. Three shafts 8, 8a and 8b in the roof of the furnace provide charging shafts and waste gas exhausts. A recuperator 13 containing a spiral part 15 of the air supply pipe line has an axial opening which registers with the external end of the central roof shaft 8a, and an auxiliary burner for starting up. Covers 10 having central openings of less diameter than the side shafts 8, 8b are pivoted above the shafts to form dampers, and may be swung clear of the shafts for charging. Manual controls are provided in the air pipe line to each combustion chamber and the air may be supplied directly to the ports 35, or through the recuperator 13. A pivoted and apertured cover 10a may control the flow of waste gases through the recuperator. Specification 758,342 is referred to.
Patent GB-991090-A (GB)
Title: Apparatus for the heat sealing of packages and other articles
IPC: B65B51/14
Filed: 1963-08-16
Abstract: 991,090. Seaming non metallic sheet material. SCHWEIZERISCHE INDUSTRIEGESELLSCHAFT. Aug. 16, 1963 [Sept. 11, 1962], No. 32426/63. Heading B5K. [Also in Division H5] A heater for the sealing of packages is thermally insulated from a support, the insulation enclosing all but the working surfaces. A block 1 having a sheathed element heater 2 in a slot is mounted through mica or moulded insulating material in a support 10 and clamped by screws. In a modification, two heater surfaces are exposed and the block is mounted by means of a lug.
Patent GB-930388-A (GB)
Title: Improvements in or relating to the production of steel
Inventor: PINCHES ELWYN
IPC: C21C5/52
Filed: 1960-09-21
Abstract: 930,388. Reducing iron ore. RICHARD THOMAS & BALDWINS Ltd. Dec. 19, 1961 [Sept. 21, 1960; Aug. 18, 1961], Nos. 32442/60 and 29925/61. Class 72. A process for the reduction of iron ores comprises heating the ore mixed with carbon and limestone in an electric arc furnace, and injecting oxygen into the molten metal produced, the reducing gases evolved passing through theburden. As shown, a mixture of ore, carbon and limestone is added to an arc furnace 1 mounted on trunnions 9 and having electrodes 2 and retractable oxygen lances 13 which may be moved to a position 24 near the bottom of the furnace when oxygen is blown into the molten metal formed by the reduction of the ore. The tuyeres 14 for the lances are situated above the maximum level of molten metal in the furnace. The gases produced during the blowing pass through the burden above the molten metal and help in the reduction of the ore and the heat evolved during blowing allows a reduction in the amount of electric current supplied to the electrodes. The electrodes may pass through the trunnions, Fig. 4 (not shown). In a modification, Fig. 7, the furnace is rigidly mounted and has a stack 70 for the burden, metal and slag being removed through notches 81 and 80 respectively.
Patent GB-843366-A (GB)
Title: Improvements in and relating to transistor amplifiers
IPC: H03F1/30
Filed: 1957-10-17
Abstract: 843,366. Transistor amplifier circuits. SVENSKA RELAFABRIKEN A.B. Oct. 17, 1957 [Oct. 20, 1956], No. 32518/57. Class 40(6). A transistor amplifier comprises a first transistor having input signals applied between emitter and base electrodes and having its emitter connected through a D.C. path to the base of a second transistor, the collector and emitter electrodes of the two transistors being connected to first and second power supply terminals which also serve as output terminals for the amplifier. As shown, the first transistor TS1 operates as a common emitter stage and is D.C. coupled to the base of the second transistor TS2. The two collector electrodes and the two emitter electrodes are connected together and the output load is connected in series with the power supply to terminals 3 and 4. The amplifier, which serves as a preamplifier for a microphone M, may accordingly be located adjacent the microphone, the power being fed along the same pair of wires as is provided from the signal output. Transistor TS1 is biased by a potentiometer R1, R2 and has its emitter coupled to the microphone through a capacitor Cl. Resistor R3 and R4 stabilize the collector currents. Junction or point contact transistors may be used.
Patent GB-447131-A (GB)
Title: Manufacture of compositions comprising cellulose esters
IPC: C08L1/10
Filed: 1934-11-12
Abstract: Cellulose organic ester compositions, plastic masses, films, threads, layers, dressings, coatings, lacquers, paints, and adhesives, contain an ester-like product of the condensation of a dicarboxyl ether and 1.3-butylene glycol.  The addition is of an oily to resinous character and acts as a softening agent for the cellulose ester.  The resistance to ultraviolet rays and to ageing even at raised temperatures is increased.  The softening agent may be incorporated in amount up to and over 200 per cent of the weight of the cellulose ester.  Esters of diglycollic, methyl diglycollic, or dihydracrylic acid are specified.  The cellulose ester may be cellulose triacetate or an acetate soluble in acetone, or cellulose acetate butyrate.  The compositions may be used for making wrapping or photographic films, intermediate layers for non-splintering glass, or moulding powder for flexible gramophone discs.  In examples, a viscous condensation product of 1 : 3-butylene glycol with diglycollic acid is mixed in various proportions with cellulose acetate and solvents such as acetone, methylene chloride, methyl glycol acetate, ethyl acetate, and methyl alcohol and the solution is cast to form films for photographic or wrapping purposes, or dyed and used as a varnish for cables, or used as an aeroplane varnish, or formed into a layer between two sheets of glass, or formed into a powder for moulding or spray casting.  Specification 322,540, [Class 95], is referred to. The Specification as open to inspection under Sect. 91 comprises also compositions containing cellulose nitrate or other cellulose esters, and the use, as softening agents, of condensation products of dicarboxyl ethers and glycol, glycerine, a polyglycol, erythrite, or an ether of a polyhydric alcohol with more than one free hydroxyl group.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1451556-A (GB)
Title: Aromatic polyamides and polyamide-imides and their production
IPC: C08G18/00
Filed: 1974-07-23
Abstract: 1451556 Heat resistant polyamides and/or polyimides RHONE-POULENC-TEXTILE 23 July 1974 [24 July 1973 (2)] 32556/74 Heading C3R Aromatic polymers comprise units of a metal salt of an arylene-bis-(phenylene-phosphinic acid)-4,4<SP>1</SP>-dicarboxamide and either or both of diamide units and amide-imide units it may also contain di-imide units The metal salt units constitute at least 2% of the total units and in the formulµ Ar is a divalent aromatic or arylaliphatic radical, Ar 1 , Ar 2  or Ar 3  are respectively di-, tri- and tetra-valent aromatic radicals, and M is alkali metal. They may be prepared by reacting a diisocyanate and either or both of HOOC-Ar-COOH and an anhydride of Ar 2 (COOH) 3 , and optionally a dianhydride of Ar 3 (COOH) 4 , in an anhydrous aprotic polar solvent in substantially stoichiometric properties at a temperature rising gradually to at least 160 C. Such polymers are stated not to be subject to slow combustion at red heat as are other heat resistant fibre and filmforming aromatic polyamides. In specific examples M is Na, Ar 1  is derived from 4,41-diisocyanato diphenyl ether or methane; Ar from 4,4<SP>1</SP>-dicarboxy diphenyl or diphenyl ether or terephthalic acid; and Ar 2  from trimellitic anhydride. In all examples N-methylpyrrolidane is used as solvent and the solution of the polymer is wet-spun. In a comparative example 3,5-dicarboxy benzene sulphonate is used in place of the P-containing diacid. Reference is made to Specification 1,301,681.
Patent GB-448548-A (GB)
Title: Method of forming sound and like records
IPC: G11B11/00
Filed: 1935-11-25
Abstract: 448,548. Electrolytic removal of metal coatings. RADIO CORPORATION OF AMERICA, 30, Rockefeller Plaza, New York, U.S.A. Nov. 25, 1935, No. 32632. Convention date, Nov. 30, 1934. [Class 41] [See also Group XXXVIII] A variable area record of sound or like impulses is formed by applying an electrically conductive coating 5, e.g. of silver, to a base material such as a celluloid film 1, Fig. 1, dividing said coating into two portions 5a, 5b by a cutting tool 7 vibrated in accordance with the sound or like impulses and subsequently removing one of said portions electrochemically One method of removing one of the portions is shown in Fig. 2 in which the strip 1 is passed along a roller 11 having conductive end portions 13, 15 separated by a non-conductive portion 17 and making contact with the portions 5a, 5b respectively. A D.C. potential is applied to the sections 13, 15 so that the portion 5a receives a negative and the portion 5b a positive charge and the strip 1 is then passed through an electrolyte 19 of nitric acid which dissolves out the portion 5b whilst the negative charge on the portion 5a prevents this from going into solution. An alternative method is shown in Fig. 3, in which a negative potential is applied to the portion 5a through a roller 21 whilst a positive potential is applied to the electrolyte 19 through an inert electrode 23, such as carbon, whilst according to a further alternative, a positive potential is applied to the portion 5b and a negative potential to the electrode 23.
Patent GB-853921-A (GB)
Title: Improvements in roof supports for use in mines and similar places
IPC: E21D17/086
Filed: 1955-11-15
Abstract: 853,921. Mine roof supports. MITCHELL, N. S. Nov. 14, 1956 [Nov. 15, 1955], No. 32644/55. Class 20(2) A mine roof bar has a fork end and a tongue end securable to the ends of a similar bar by inserting a cylindrical pin 47 and a frustoconical wedge 48 through bores in the ends of the bars, the bore 43 receiving the wedge 48 being in two parts of joint taper either side of the fork, and the bores 43 or 46 being offset from the line of bores 42, 41 receiving the pin 47. The outer bore 46 at the tongue end has a diameter equal to the mean diameter of the tapered bore 43. The wedge 48 is of less taper than the bore 43. The bar, which may be welded or cast in one piece, has reinforcing ribs or webs to receive prop heads. Corrugated, I section and double channel section bars are referred to.
Patent GB-877923-A (GB)
Title: Improved elastomer adhesives and method for the employment thereof
IPC: C09J115/00
Filed: 1958-10-13
Abstract: In the bonding agent for elastomers of Specification 877,035 comprising a solution of chlorinated rubber, halogenated polychlorobutadiene and a dinitroso-aromatic compound, the dinitroso-aromatic compound is replaced by a quinone dioxime and a mild oxidizing agent; under the conditions of cure these react to form the dinitroso-aromatic compound.  Quinone dioximes specified are p-benzoquinone dioxime, 2, 5-dichloro p-benzoquinone dioxime, toluquinone dioxime, p-xyloquinone dioxime, thymoquinone dioxime, 1, 2-naphthoquinone dioxime, and 1, 4-naphthoquinone dioxime.  Oxidizing agents preferred are 2, 21-dithiobis benzothiazole and tetramethyl thiuram disulphide.  One typical agent comprises a solution in 20 parts of xylene of 3,5 parts chlorinated rubber of 125 cps. viscosity (determined in 20% w/w toluene solution at 25 DEG C.), 1,5 parts brominated Neoprene, 0,25 part dibasic lead phosphite, 0,4 part p-benzoquinone dioxime, 0,7 part 2, 21-dithiobis-benzothiazole, and 0,8 part carbon black.  In an example, this bonding agent was applied by brushing to the surface of clean, dry steel strip, the resulting film was allowed to dry in air for twenty minutes following which a layer of freshly sheeted, uncured natural or QR-S rubber stock was pressed into intimate contact with the partially dried film of the bonding agent on the metal surface; the resulting assembly was then cured at 307 DEG F. for 20 minutes.
Patent GB-837944-A (GB)
Title: Improvements in grab cranes
IPC: B66C3/12
Filed: 1958-10-14
Abstract: 837,944. Grab excavators. ETABLISSEMENTS F. POTAIN & CIE. Oct. 14, 1958 [Oct. 17, 1957], No. 32695/58. Class 68(1) The opening, closing and hoisting of a grab bucket is controlled by two cables 5, 6 both of which pass about identical pulley systems 47-51 and 36, 37, 44, 45 associated with an hydraulic jack 31 to which one 6 of the cables is secured at the end to the cylinder thereof, whilst the other cable after passing about a further pulley system 22-23 associated with another hydraulic jack 20 is similarly secured to the cylinder of this second jack. Opening and closing of the jaws 11 of the grab is controlled by jacks 20 acting on cable 5, whilst jack 31 remains stationary. Hoisting of the grab is controlled by jack 31 acting simultaneously and equally on the two cables 5, 6. The pulley systems associated with the jacks 20, 31 result in movement of the jacks being multiplied when applied to the cables. The cable 5 passes several times between pulleys mounted on both of the cross bars 7, 13 of the grab bucket.
Patent GB-529767-A (GB)
Title: Improvements in the method of treating fibrous material
IPC: B31B3/60
Filed: 1939-12-21
Abstract: 529,767. Coated fabrics ; coating webs. AMERICAN CAN CO. Dec. 21, 1939, No. 32700. Convention date, Dec. 27, 1938. [Class 140] A web of fibrous material such as paper or cardboard is immersed in water and immediately passed through molten paraffin wax. The web is passed through the water at such a speed that a predetermined amount of water is absorbed so that after sealing with wax the material does not tend to become brittle and unworkable. As shown, a web A from roll B passes through a waterbath C beneath guide rollers 24 and is led out through pressure rollers 31, 32 which feed it, after pressing out excess water, to guide plates 36, 37. The web then passes in a suspended loop through the heated paraffin wax bath D, from which it is discharged through guide bars 44 and pressure feed rolls 46 to reeling mechanism and the finished roll E.
Patent GB-634955-A (GB)
Title: A method of mounting a spring assembly on furniture frames of different shapes
IPC: A47C23/04
Filed: 1947-12-11
Abstract: 634,955. Spring upholstery. HUNGARIAN RUBBER GOODS FACTORY, Ltd. Dec. 11, 1947, No. 32722. Convention date, Sept. 6, 1943. [Class 52 (iv)] Assemblies of intertwined compression springs for mounting upon seat and like frames are made without border frames, connecting links, or other shape-retaining means so that the assembly can be extended or compressed to suit the size of the frame to which the peripheral springs are secured by staples &c. Preferably the springs consist of one to three turns only and the interior of the assembly is supported on webbing. Specification 515,588 is referred to.
Patent GB-429182-A (GB)
Title: Improvements in or relating to bushing insulators for electrical conductors
IPC: H01B17/28
Filed: 1933-11-23
Abstract: 429,182. Insulators. STEATITE & PORCELAIN PRODUCTS, Ltd., Stourport, Worcestershire.-(Hermsdorf Schomburg Isolatoren Ges. ; Hermsdorf, Thuringia, Germany) Nov. 23, 1933, No. 32750. [Class 36] To reduce losses in a highfrequency ceramic bushing insulator, the body of the bushing is formed with an integral and ribbed supporting flange of large diameter, the outer edge of which is preferably provided with a metal coating adapted to contact with an earthed metal support. The Figure shows an insulator comprising a porcelain cylindrical body 1 having a central channel 2 through which flows the cooling water of a high frequency transmitter, the body 1 being formed with a central supporting flange 7 which is formed with annular ribs 8-11 and provided on its rim with a closely adhering metal coating 12. The coating 12 extends over the outer faces of the ribs 9, 10. The ends of the body 1 have metallised surfaces 4, 6 to which are cemented connecting fittings 3, 5. The bushing may be made of the material known under the Registered Trade Mark " Frequentite " or of similar non-alkaline ceramic material containing a high proportion of magnesium silicate.
Patent GB-1374682-A (GB)
Title: High power storage diodes
IPC: H01L29/868
Filed: 1972-07-13
Abstract: 1374682 High power storage diodes FMC CORP 13 July 1972 [5 Nov 1971] 32761/72 Heading H1K A high power storage diode having a substantially constant reverse current phase followed by a rapid reverse voltage build up after switching from forward to reverse current conditions, comprises a lightly doped P type silicon base region at least 100 Á thick, between an N type region diffused with phosphorus to an average concentration of from 2 x 10<SP>20</SP> to 5 x 10<SP>20</SP> atoms/c.c. and a P type region diffused with boron to an average concentration of at least 2 x 10<SP>20</SP> atoms/c.c. Typically the phosphorus is diffused in at 1250‹ C. in a flow of phosphorus oxychloride. After lapping the N + region from one side of the body this is painted with boron trioxide, the rest of the body masked and the boron diffused in by heating at 1300‹ C. in nitrogen. The reverse storage time may be increased by subsequent diffusion at 1100‹ C. for 4-15 minutes of nickel electrolessly plated on one of the end regions. The characteristics of the device and how these are varied by base width doping and current path cross-section are discussed.