baber/WOPTO huggingface dataset:
Patent GB-687495-A (GB)
Title: Improvements in keratin-aminoplastic resin compositions
IPC: C08L89/00
Filed: 1950-02-14
Abstract: Aminoplastic compositions are prepared by treating horn meal or neat's foot meal with an alkaline solution of 10-40 per cent formaldehyde, condensing the mixture with amines or amides, e.g. urea, thiourea, dicyandiamide, guanidine or melamine, and thereafter acidifying the product.  In examples: (1) horn meal is kneaded with 30 per cent formaldehyde made alkaline to pH9 with borax, the pH adjusted to 8, the mixture further kneaded with urea, and the product adjusted to pH6 and then 4-5 and dried; (2) horn meal is kneaded with 30 per cent formaldehyde made alkaline to pH8 with soda lye, the mixture further kneaded with a mixture of urea, thiourea and ammonium chloride at pH8, and the product adjusted to pH4 and dried; (3) neat's foot meal is kneaded with 40 per cent formaldehyde made alkaline to pH7.6 with borax, the mixture further kneaded with melamine and immonium sulphate at pH7.1, and the product adjusted to pH4.5 and dried.ALSO:Horn or neat's-foot meal is treated with 10-40 per cent formaldehyde solution made alkaline, e.g. with borax or soda lye. The product is then condensed with an amine or amide, e.g. urea, thiourea, dicyandiamide, guanidine or melamine to produce a synthetic resin (see Group IV (a)).
Patent GB-304929-A (GB)
Title: Improvements in coal breakers and the like
IPC: B02C1/12
Filed: 1928-02-07
Abstract: 304,929. Norton, G. Feb. 7, 1928. Reciprocating picks.-A pick is mounted resiliently on a beam, lever or reciprocating head so as to be capable of a relative receding movement and yield to the force of impact when meeting with an unbreakable body. The oscillating beam 1, Fig. 1, is pivoted at 2 and is provided with picks 3, 4 mounted in heads 6 slidable in guides 9 on the beam. The guide members 7 are each provided with a slot through which passes a rod 8 which limits the movement of the heads in the guides. A spring 11, anchored to the beam at its centre, presses with its free ends on the guide members 7 and retains them in the extended position against the rods 8. When an unbreakable body is carried by the conveyer 5 under one of the picks and is struck thereby, the pick recedes through the guide 9 so that the pick is undamaged. In Fig. 3, the picks 3, 4 are shown mounted on a bar 12 having ends 13 hooked over rods 8 on the beam. A spring 11 retains the hooked ends in contact with the rods until an unbreakable body is encountered whereupon the end of the beam continues its downward movement and separation of the hook 13 and rod 8 occurs, the bar 12 using the rod 8 at the other end of the beam as a fulcrum. In a modification the pick is mounted slidably on guides pivoted to the ends of the beam, a spring being interposed between each rick head and beam and radius rods being connected to the heads to guide the picks. Instead of the spring 11, Fig. 3, two transverse springs one at each end of the beam, may be used. These springs are each attached at its centre to the beam and press, with the free ends, on the hooked end 13.
Patent GB-856627-A (GB)
Title: Improvements in and relating to load handling equipment
IPC: E02F3/30
Filed: 1957-02-04
Abstract: 856,627. Lever load-handling machines. LUDOWICI, J. W. Feb. 4, 1957 [Feb. 3, 1956], No. 3835/57. Class 78 (3). A load-handling device comprises members 1, 2 which may be raised or lowered on a chassis 5 by hydraulic rams (not shown) and arms 12, 13 and 17, 18 which are extended automatically as members 1 and 2 are raised by endless chains e.g. 15) engaging sprockets on the pivots 11, 16, 22, the lower sprocket of each chain run being fixed to its respective arm. A load fork or other lifting appliance 23 is kept vertical by the last sprocket. The arms may be moved independently of the members 1, 2 by a handle 30 turning sprocket 8 through a worm-gear. The arms may also be moved independently of each other by declutching the sprockets from the arms in a manner not yet sufficiently described.
Patent GB-792747-A (GB)
Title: Improvements in or relating to water tube hot-water boilers or steam generators
IPC: F24H1/43
Filed: 1956-02-07
Abstract: 792,747. Forced-flow steam boilers; hotwater boilers; tubular heat exchange elements. VAPOR HEATING CORPORATION. Feb. 7, 1956 [Feb. 18, 1955], No. 3845/56. Classes 64(1), 64(3) and 123(2) A hot water boiler or forced-flow steam generator has a cylindrical outer casing 11 with a welded-on rear end plate 13 and a removable front plate 12 which supports a fire pot assembly 14 and burner (hot shown). The wall of the cylindrical combustion chamber 20 of the unit is formed by one tube group 26 of a helical coil assembly 21, the coil turns of the group 26 being disposed in contact with one another, the rear end of the chamber being closed by spiral turns 28 partly embedded in refractory material 31 held in a shell 32. The other group 23 of the coil assembly 21 surrounds the fire pot 14 and consists of a series of contacting turns each of which is of polygonal form the bends 36 of successive turns being staggered as shown in Fig. 3 to create a series of open spaces 37, Fig. 1, between the turns. A cylindrical sleeve 38 surrounds a rear portion of the tubes of the group 23 so that hot gases from the combustion chamber flow forwardly along the group and are then reversed adjacent the end plate 12 for rearward flow in the annular space between the casing 11 and the outer surfaces of the tube coil, the gases finally discharging through an exhaust conduit 19. Water enters the tube coil through a pipe 22 and flows successively through the tubes of groups 23, 26 and the spiral tubes 28, hot water or steam discharging through an outlet pipe 30. Adjacent coil turns may be welded together at intervals throughout the coil assembly. In modifications, the coil assembly may be enclosed within one or two further coils each of which has a portion consisting of turns of polygonal form which allow for the free passage of the combustion gases.
Patent GB-959796-A (GB)
Title: Blocking oscillator circuits
Inventor: LAX LADISLAV
IPC: H03K4/54
Filed: 1961-02-01
Abstract: 959,796. Transistor sawtooth oscillators. PYE Ltd. Feb. 1, 1962 [Feb. 1, 1961], No. 3894/61. Heading H3T. A sawtooth generator comprises a transistor T1 connected as a blocking oscillator, the frequency of which is determined by capacitor C1 and transistor T2, the oscillator output being fed to a buffer amplifier T3, feedback being provided from the output circuit of T3 to T2. The linearity of the output sawtooth waveform may be adjusted by potentiometer R6 and may be over-corrected to suit the geometry of a cathode-ray tube when the invention is applied to a line time base in a television receiver. The frequency may be adjusted by variation of resistor R4. Specification 921,221 is referred to.
Patent GB-270428-A (GB)
Title: New azo dyestuffs and process of dyeing acetyl cellulose
IPC: C09B31/02
Filed: 1926-02-12
Abstract: 270,428. British Dyestuffs Corporation, Ltd., Baddiley, J., and Hill, J. Feb. 12, 1926. Azo ctyes. - Secondary disazo dyes, which dye cellulose acetate in brown shades fast to washing and light, are made by coupling a diazotized unsulphonated nitroamine of the benzene or naphthalene series with an unsulphonated amine, rediazotizing and coupling with an unsulphonated amine of the, benzene' series. As first components may be used m- and p-nitraniline, 2 : 4-dinitraniline, 4 : 5-dinitro-1- naphthylamine, and picramic, acid; aniline, mtoluidine, cresidine, alpha-naphthylamine and 1 : 2- aminonaphtholether are suitable middle cornponents; and as end components m-phenylenediamine, m-toluidine, and cresidine are specified. In examples (1) diazotized p-nitraniline is coupled with m-toluidine, rediazotized, and coupled with cresidine, the product gives full brown shades on cellulose acetate; if mnitraniline is used as first component, yellower shades are obtained, while deeper shades are obtained by using cresidine or alpha-naphthylamine as middle components or picramio acid as first component, and (2) 2: 4-dinitraniline is diazotized with nitrosyl sulphuric, acid, coupled with cresidine, rediazotized and coupled with niphenylenediamine, the product dyes cellulose acetate in red-brown shades. The dyestuffs may be used in the form of aqueous suspensions or dispersing agents, e.g. acid resins or lignine sulphonic acid may be employed; protective colloids, thickeners or solvents may also be added if desired. In an example of the dyeing process, the dyestuff paste made from the dyestuff prepared according to example 1 is added to a dyebath containing a small amount of the acid resin made by condensing naphthalene sulphonic acid with formaldehyde and cellulose acetate yarn is then dyed in the warm dyebath.
Patent GB-119807-A (GB)
Title: Improvements in Rotary Engines.
Inventor: ZABRISKIE WALTER
IPC: F02B53/00
Filed: 1918-03-08
Abstract: 119,807. Zabriskie, W. March 8, 1918. Fixed-abutment type; cooling parts; packing drums etc.; working-fluid supply.-Relates to rotary internal-combustion engines wherein the gas mixture is compressed in a pump cylinder 10 and ignited in an adjacent power cylinder 11, both cylinders having piston drums fitted with spring-pressed outwardly-sliding vanes 16, 26, and consists in providing the piston drum 12 of the compression cylinder with by-passes 18 adapted to deliver the compressed charge to the outlet port 13, which is located at the point of contact of the cylinder with the periphery of the drum, and is connected by a valved pipe 20 with the inlet of the power cylinder. The inlet end 18a of the bypass is offset, as shown in Fig. 1, so as not to register with the port 13 in passing. Packing- rings 38 and spring-pressed pieces 33 are fitted as shown. A cooling fluid is circulated through the hollow shaft 29 and openings 31 in the drums.
Patent GB-1409886-A (GB)
Title: Waste disposal system
IPC: B60R15/04
Filed: 1972-09-19
Abstract: 1409886 Disposal of sanitary waste in engine exhaust systems THERMASAN CORP 19 Sept 1972 [10 Dec 1971] 4168/73 Divided out of 1409882 Heading E1C Sanitary waste, e.g. from a sanitary closet on a vehicle is disposed of by feeding it from a waste holding tank into the interior of an exhaust pipe of a fuel-burning engine by operation of a pump which is controlled in response to the pressure in the intake manifold of the engine by means operable to start the operation of the pump only when the pressure is below a preselected magnitude. The described embodiments are the same as those of the parent Specification 1409882. Reference has been directed by the comptroller to Specification 1276448.
Patent GB-124032-A (GB)
Title: Improvements in Holding Clamps and the like.
Inventor: GLASCODINE NORAH EDITH
IPC: A47G21/08
Filed: 1918-03-09
Abstract: 124,032. Glascodine, N. E. March 9, 1918. Clamps.-A device for use by a one-armed person, to hold food, paper. or other articles upon a. table or other support while being cut or otherwise treated comprises a clamping or holding member pivoted to a device adapted to be clamped to the table or other support, and adapted to be moved about its pivot against the action of a spring to engage the food &c. by means of a Bowden wire. Fig. 1 shows a table fork e pivoted to lugs c of a cramp a secured to a table b and normally held in its free position by a spring f. The inner member g of a Bowden wire is secured at one end to the fork e and at the other to a metal loop p to which one end of a strap s is secured. The outer member h of the Bowden wire is secured to the cramp a and to a socket m which is secured to the other end of the strap s and is connected by springs o to the loop p. The strap s is passed round the knees of the operator and by moving the knees apart the wire g is pulled and presses the fork downwards to engage the food. The strap may be operated in other ways such as by passing it over a hook on the cramp a and opening it by the foot. In modifications, the strap is replaced by a treadle which may pull directly on the wire g or indirectly by pressing against the outer member h. The fork e may be replaced by a holder adapted to receive an ordinary fork. Fig. 11 shows an arrangement in which a holder 14 operated by a Bowden wire g, h against the action of a spiral spring arranged in a casing 11 is adapted to receive a member 17 carrying a knife 15 which may be given a reciprocating cutting movement by a Bowden wire 19.
Patent GB-1525322-A (GB)
Title: Method for stripping aluminide coatings
IPC: C23F1/44
Filed: 1976-02-03
Abstract: Objects made of a superalloy on the basis of nickel, cobalt or nickel-cobalt, with a chromium content of at least 6 per cent by weight, have the aluminide coating removed therefrom by means of an aqueous solution which consists of an effective amount of HNO3 within a range of from 5 to 40 per cent by volume, the remainder being water, at a temperature of from 10 to 45 DEG C for a time sufficient to dissolve the coating, preferably at least 15 min.
Patent GB-1552411-A (GB)
Title: Process for the manufacture of a mineral fibre board laminated with a metal foil
IPC: B32B15/14
Filed: 1977-02-02
Abstract: In the manufacture of mineral fibre panels laminated with a metal foil, the prior art uses an adhesive based on waterglass and on clay mineral substances. In order to improve the shelf life of the adhesive and allow its processing to be carried out under constant conditions, the invention uses an adhesive consisting of two components to be mixed at the time of use, one component containing 60-95 % by weight of waterglass and 4-16 % by weight of clay mineral substances and the second component containing a substance which reacts with the first component at room temperature, thereby causing the adhesive to harden.
Patent GB-188274-A (GB)
Title: Improvements in toy cannons, pistols, guns and the like
IPC: F41C3/00
Filed: 1922-02-14
Abstract: 188,274. Hanwell, C. H., and Wall, A. G. Feb. 14, 1922. Projectors and projectiles.- A toy cannon, pistol, gun, &c., is provided with a removable firing chamber 2 disposed in the breech and having vents 3 communicating with the barrel chamber 1. The projectile may consist of a match stem 4, the head of which forms the charge which is ignited by means of a striker 6 operated by a spring-influenced trigger 7; the springs 9 pass through or over the pivot 8 of the trigger in its retracted position.
Patent GB-1370352-A (GB)
Title: Heat re-cycling oven
IPC: F26B15/14
Filed: 1972-02-09
Abstract: 1370352 Drying and curing painted articles; continuous ovens FERROLEC SYSTEMS Ltd 9 Feb 1972 [10 Feb 1971] 4338/71 Headings F4G and F4B To avoid the heat loss arising from the absorption of heat by painted articles conveyed through a drying oven 1, the articles on leaving the heated upper zone of the oven 1 dwell in a position D to give up heat by natural convection to the upper zone. The articles are loaded (and unloaded) at position A on to the cages 5 of a conveyer 4 comprising two spaced parallel chains (not shown) prevented from sagging by rails (not shown) and connected together by flight bars (not shown) supporting the cages 5. The conveyer is driven intermittently by an electric motor so that the cages 5 dwell successively for 15 minutes at A, B, C, D. The articles may be suspended directly from the flight bars. The upper zone is heated by radiant electric heaters 2 on the side walls, each comprising insulated wire cast in finned heat sinks. The top and sides of the oven comprise a double skin of heat-insulating panels. A thermostat(s) maintains the temperature in the upper zone between 30 and 300‹ C., and the air is stirred. A filtering vent is provided in the oven roof. Separate hatches may be provided for loading and unloading. Ten flight bars (three in the upper zone) may be used, moving at 10 minute intervals. A further conveyer operating at a different interval may be provided in the oven.
Patent GB-835357-A (GB)
Title: Improvements in and relating to a self-winding watch
IPC: G04B5/18
Filed: 1958-02-11
Abstract: 835,357. Watches. PIQUEREZ, E. Feb. 11, 1958 [Feb. 14, 1957], No. 4397/58. Class 139. In a self-winding watch the rotor 8a, Fig. 1, is connected by arms 8b to a hub 8c disposed on a stub shaft 9 extending centrally from the case bottom 1. The hub 8c is toothed at 10 to form the first gear of the winding train. Rollers 12 are mounted on radial pins and located in peripheral notches 11. The rollers ride in the groove defined by the case bottom and the movement supporting ring 6.
Patent GB-575236-A (GB)
Title: Improvements in or relating to the manufacture of valve forgings
IPC: B21K1/22
Filed: 1944-03-09
Abstract: 575,236. Heating by electricity. ARON, H. March 9, 1944, Nos. 4420 and 6674. [Class 39 (iii)] [Also in Group XXII] In making a valve its enlarged end is heated by passing an electric current through it and reduced by forging. The valve during heating is held by a vice 21 which forms one electrode, and is pressed against an anvil 27. which forms the other, by a hydraulically operated plunger 29.
Patent GB-1445321-A (GB)
Title: Apparatus for slitting sheet materials
IPC: B26D1/20
Filed: 1975-01-31
Abstract: 1445321 Cutting apparatus LEYBOLDHERAEUS-VERWALTUNG GmbH 31 Jan 1975 [8 March 1974] 4427/75 Heading B4B A cutting apparatus for slitting sheet material, e.g. a web 20 of plastics, paper, metal foil or fabrics, comprises an anvil cylinder formed by a plurality of rollers defining thererbetween grooves 23, a cutter blade assembly composed of a corresponding plurality of plateshaped blade holders 10 mounting fixed blades 14 arranged to co-operate with the grooves, each blade being located adjacent a respective resilient washer 15, such that when the entire set of blade holders are axially clamped together, the blades are securely gripped in the holders. Each blade is located by a pin 16, a socket 28 being formed in the adjacent plate to accommodate the end of the pin.
Patent GB-1503322-A (GB)
Title: Digital data processors and methods of operating such processors
IPC: G06F15/16
Filed: 1975-01-27
Abstract: 1503322 Data processing BURROUGHS CORP 27 Jan 1975 [28 Feb 1974 13 Sept 1974] 4503/75 Divided out of 1503321 Heading G4A The subject matter of this Specification is contained in parent Specification but the claims are concerned with a binary data processing system including a store containing program data files and an input queue receiving operand data files, each of the data files being of the form ((A) (B) (C) ... (D) (E)) where A is a description field identifying the tyres of the following fields, E is a terminating field, and B, C and D are fields which may contain operands or operators, one of the fields B, C, D in each operand data file received by the input queue containing a storage address for a program data file in the store, the operation indicated by an addressed program data file being carried out when the operand data files containing the relevant operands have been received.
Patent GB-1002924-A (GB)
Title: Process for producing phthalic anhydride from orthoxylene
IPC: C07C51/265
Filed: 1963-02-04
Abstract: Phthalic anhydride is prepared by contacting vaporized ortho-xylene and molecular oxygen with a solid vanadium oxide catalyst having a reaction zone temperature of 1100 DEG  to 1500 DEG  F., preferably 1200-1400 DEG  F., for a period of from 0.001 to 0.05 seconds, cooling the resulting reaction mixture to a temperature below 900 DEG F. at a rate of at least 6.0 x 103  DEG F. per second, and recovering phthalic anhydride from the cooled reaction mixture.  Air is the preferred oxygen containing gas and satisfactory results are obtained when the weight ratio of air to ortho-xylene employed is in the range of 16:1 to 35:1, or even higher.  Similar ratios are employed when oxygen-enriched gases or oxygen itself are used.  In a preferred embodiment a vaporous mixture of orthoxylene and molecular oxygen are contacted with a solid vanadium oxide catalyst under oxidizing conditions in a dual temperature zone converter, the resulting reaction product mixture is withdrawn from the converter and mixed with water in a scrubber vessel to form a slurry of phthalic acid and water, the composition of which is maintained in the weight range of 1 part acid to 3-19 parts water, by withdrawing a portion of the slurry and adding fresh water and recycled process water.  The withdrawn slurry is centrifuged, a portion of the filtrate being recycled to the scrubber vessel, while 10-30% of the filtrate is diverted to a secondary crude phthalic acid recovery process section where a slurry of crude phthalic acid is produced by evaporation, the solid fraction of which is returned to the scrubber vessel.  The filter cake is passed into the first of 1-3 reslurry-centrifuge stages, recycled process water and fresh water being used in the first stage and fresh water in the succeeding stages. Water is thermally removed from the crude phthalic acid filter cake obtained in the last stage, and the crude phthalic anhydride is distilled to give a very pure product.
Patent GB-608092-A (GB)
Title: Improvements in, or relating to, smokers' ash-trays
IPC: A24F19/00
Filed: 1946-02-15
Abstract: 608,092. Ash-trays. WOLVERHAMPTON DIE-CASTING CO., Ltd., and STOCKHAM, F. C. Feb. 15, 1946, No. 4754. [Class 130] An ash receptacle has a transverse partition B extending from the base through a slot J in an ash tray G, slidable so that the slot communicates with either side of the partition, which may be detachable and secured by a screw C and co-operating dowels. Preferably, the partition has V- shaped grooves d for holding a cigarette as shown.
Patent GB-556334-A (GB)
Title: Improved means for scoring sheet material or of containers or other articles of sheet material
IPC: B21D51/38
Filed: 1942-04-10
Abstract: 556,334. Machines for scoring sheet material. EASYCANTOP, Ltd., and WALENSKY, B. April 10, 1942, No. 4758. [Class 83 (iv)] In machines for scoring containers &c. of sheet material by a device as described in Specification 531,835, the rolling elements 7 are mounted in a cage 10 or on axles 15, Fig. 3, are pressed down on to the work by said axles or by a thrust plate 8, and are retained in their circular track by said cage, by stops on their axles, by a ridge on the thrust plate or otherwise. If rollers are used they may be cylindrical or conical and may have convex faces. If long enough the rollers may be used with an oval, square or other shaped knifeedge 2. The cage 10 is supported from the plate 8 by a spring 12, flat ring or ball bearing 13, and disc 11. In a modification the thrust plate 8 is flat and the cage is supported from a shaft projecting centrally down from said plate. The knife 1 may be carried by a selfadjusting spherical support 3 from the fixed base 4 and this may also carry a screwed or otherwise adjustable stop-ring 5 which may also serve to centre the work. In modifications the ring 5 engages a separate part of each roller or separate rollers which may be carried on an axially adjustable ring. If the work pieces are carried in holes in a turntable this may carry a stop ring around each hole. When conical rollers are used they are arranged with axes that meet the plane on which they roll.