baber/WOPTO huggingface dataset:
Patent GB-217250-A (GB)
Title: Improvements in and relating to steam or gas turbines
IPC: F01D25/26
Filed: 1924-06-10
Abstract: 217,250. Erste Br³nner Maschinen- Fabriks-Ges. June 8, 1923, [Convention date]. Casings. - Nozzle chambers are formed by pressing, in the end of a casing b made of rolled or wrought material, several separated recesses r. These are closed by a wall b<1> in which the nozzle passages are formed and which is seamed to the recessed end by bolts pasing through the separating ribs of the latter. Separate steam pipes i are provided for the nozzle chambers.
Patent GB-178743-A (GB)
Title: Multiple needle sewing machine
IPC: D05B57/00
Filed: 1921-05-23
Abstract: 178,743. Fairweather, W., (Singer Manufacturing Co.). May 23, 1921. Multiple needle machines; lock-stitching by hooks.-Four needles 5, 5, 6, 7, co-operate with four rotary loop-takers 10, which can be adjusted independently of one another. Each loop-taker 14, Fig. 4, is journaled in a bearing 15, Fig. 2, which is attached to a loop-taker frame 32, and projects through a slot 36<1> in the bed-plate 36 A thread case 12, journaled in the loop-taker, has a stop lug 19, engaging in a notched lug on the underside of the throatplate. A finger 24 on a lever 25 oscillates the thread case at intervals as usual. The lever 25 is oscillated by an eccentric 26 on the shaft 14, its fulcrum being a follower 28, which works in a slot 27 in the lever, and which is seated in an adjusting-plate 30. The plate 30 embraces a hub 31 on the loop-taker frame 32, and ls variably fixed to the support 32 by a pin-and-slot connection 33. The support 32 is secured to the :bed-plate 36, and is adjustable at right-angles to the feed. The loop-takers are actuated from the needle bar actuating shaft through a shaft 18 and spiral gears 17, 16, so as to give two rotations for one needle reciprocation. A feed dog 38 operates through slots 40 in the throat plate : it extends forwardly between the front needles and a narrow extension 39, and extends rearwardly between the rear needles. The gears are enclosed in an oil bath 15 having a flange 46 to prevent leakage when the machine is tipped.
Patent GB-167335-A (GB)
Title: Improvements in and relating to air compressors and regulators
IPC: F04B49/02
Filed: 1920-05-25
Abstract: 167,335. Wolfe, G. F., and Shipley, H. F. May 25, 1920. Stopping pumps automatically.-An air compressor is stopped when a certain pressure has been attained by the provision of a latch bar in the parts connecting the driving-means with the compressor, the bar being engaged to release the connection, when the pressure is reached by the stem of a valve subjected to the compressed air and controlled by an adjustable spring. In the apparatus shown, the shaft 4 carrying an eccentric driving the piston is slotted at its end to receive. a key 10, and loosely carries a driven sprocket wheel 11 the hub of which is notched to engage the key. On the other side of the wheel, the hub carries a loose collar provided with pins 15 engaging the forked lower end of a lever 19 fulcrumed at its mid-point and pivotally connected at its upper end with a latch bar 23 engaging a keeper plate 24 to maintain the lever 19 against the action of a spring 22 in such position as to force the sprocket-wheel into engagement with the key. The outlet pipe 18 carries a valve casing 25, the valve of which is depressed by a spring 35, Fig. 4, adjustable by a plug 28. At the desired pressure the valve stem 31 rises and lifts the bar 23 off the plate 24, allowing the spring 22 to break the driving connection.
Patent GB-1466065-A (GB)
Title: Screens
IPC: A01D/
Filed: 1973-03-24
Abstract: 1466065 Machinery guards MASSEY-FERGUSON-PERKINS Ltd 7 March 1974 [24 March 1973] 14307/73 Heading F2J [Also in Division E2] A flexible safety screen 28 for a rotary mower 10 is releasably secured to a wire frame-work screen support 30, 32 of the mower 10 by split cylindrical spring-clips 42. The screen 28 comprises a pair of top covers 36, 38 and a separate surrounding vertically hanging skirt 40 which are readily jointly secured at their overlapped edges to the wire frame support 30, 32 by the spring-clips 42 (Fig. 4), the clips 42 facilitating easy assembly (Fig. 6), or removal, of the screen 28 to, or from, the rotary mower 10. Any other type of flexible screen, e.g. around a traction cab, may be secured to a wire framework of the cab by this type of clip in a similar manner.
Patent GB-698540-A (GB)
Title: Improvements in means for clamping superposed elements together
IPC: A47C23/053
Filed: 1952-06-06
Abstract: 698,540. Jointing. EPEDA-WBRKE R. PLATTE. June 6, 1952 [June 6, 1951], No. 14401/52. Class 83 (iv). Bending, shearing. Apparatus for joining superposed elements comprises means for feeding a metal strip across the top of a die, means for severing the end portion, means for locating the elements above the severed strip and then pushing them down into the die thereby forming the strip into an open clamp about the elements and means for closing the clamp about the elements. Through a machine frame 1 carrying a die 2 passes a reciprocable rod 9 to which is secured a punch 15 co-operating with the die. Also secured to the rod is a latch 17 affording a lost-motion drive from the rod to a vertically movable carriage 10 carrying a cutter 12 and cheeks 11 which embrace the die and are slotted as at 13 to receive the elements to be joined, namely a part 22 of a mattress frame and a part 23 of a wire spring. In operation a metal strip 7 is fed through a guide 5 by a device 6 so that the end rests across the die 2. The elements 22 and 23 are then placed in the slots 13 and the rod 9 moved down so that the cutter 12 co-operates with the edge of the die to sever the end 7<SP>1</SP> of the strip 7, Fig. 3, and the downward movement of the elements 22 and 23 carried by the cheeks 11 forces the strip 7<SP>1</SP> into the die, the ends of the strip being thereby bent up to form an open clamp as in Fig. 4. A trip device 24 then releases the latch 17 from the carriage 10 but the rod 9 continues to descend until the punch 15 has closed the ends of the strip as shown in Fig. 5. On the upward movement of the rod, the carriage 10 is raised and again released and the device 6 feeds the strip 7 forward ready for another operation.
Patent GB-129628-A (GB)
Title: Improvements in Electric Railway Systems.
IPC: B60M3/00
Filed: 1919-06-06
Abstract: 129,628. British Westinghouse Electric & Manufacturing Co., (Assignees of Moss, C. M., and Wensley, R. J.). July 10, 1918, [Convention date]. Systems, sectional conductor, with special dis. tributing arrangements for distant parts of track. -In an electric railway system, a substation is automatically controlled by apparatus in the form of a wheatstone's bridge, one arm of which is constituted by the trolly line or the like whereby when a locomotive reaches this portion of the track the change in balance of the bridge causes the substation to become operative. As shown, the direct-current line 1 is energized from an altemating-current source 2 through the substation converting device 4, the main switch 23 of which is controlled by the bridge 6 through the relay 10. The bridge is connected up to a transformer 11 and the reactance 9 is balanced against the line 1, a condenser 25 being inserted to prevent disturbance due to direct current.
Patent GB-253153-A (GB)
Title: Improvements in and relating to high pressure pumps
IPC: F16N13/10
Filed: 1926-06-08
Abstract: 253,153. British Thomson-Houston Co., Ltd., (Assignees of Wood, A. P.). June 8, 1925, [Convention date]. Actuating by electric motors; casings for actuating mechanism; eccentric-actuated pumps; multipledelivery piston pumps; pipes; suction reservoirs. - A lubricator comprises an oil reservoir 5 supporting an electric motor 11 driving through gearing 13, 14 a shaft 15 which carries two eccentrics 26 180‹ apart. The eccentrics revolve in sliding blocks 28 working in crossheads 31 which each carry a pair of coaxial plungers 30 reciprocating in cylinders 34. The cylinders are arranged in a pair of blocks 35 arranged parallel to the shaft 15 and supported on brackets 36 in the casing 5. The delivery pipes of the cylinders may be connected to pressure headers in various combinations. Specification 20738/13 is referred to.
Patent GB-542915-A (GB)
Title: Improvements relating to shelf brackets, hooks and other like fittings for attachment to walls
IPC: A47B96/06
Filed: 1940-09-24
Abstract: 542,915. Hooks; brackets. ROGERS, T., and HIPKISS, W. H. Sept. 24, 1940, No. 14523. [Class 89 (ii)] [Also in Group XIV] A hook for use in an Anderson air-raid shelter or similar sheet metal structure is formed from a sheet metal strip bent to form a straight back a, a curved front portion b, and a straight rearwardly projecting portion c for insertion between overlapping portions of metal sheets d, notches e being formed at the junction of the back and rear parts for engagement of adjacent edges of the plate d. The Provisional Specification also describes brackets for similar attachment to sheet metal structures. In one form three projecting rear parts.are provided and in another a lateral projection is folded on itself to form a clip which is gripped between the front and rear surfaces of a metal sheet.
Patent GB-202723-A (GB)
Title: Cushion for bicycle seats and the like
IPC: B62J1/26
Filed: 1922-05-23
Abstract: 202,723. Larsen, L. P. May 23,1922. Saddles.-A pneumatic cushion to be placed on a cycle saddle consists, of upper and lower parts 1, 2 of woven air-tight material united at the edges to enclose an air space 3 inflated through a valve 4, which is so arranged as to extend through the central hole in the saddle. Reference has been directed by the Comptroller to Specifications 2599/92, 12556/93, and 17810/94.
Patent GB-709568-A (GB)
Title: Improvements in silos
IPC: B65D90/02
Filed: 1951-06-19
Abstract: 709,568. Metal silos; wall elements. BOUTARD, J. June 14, 1951 [June 20, 1950], No. 14557/51. Classes 20 (1) and 87 (1) A metal panel for a silo wall comprises a horizontally corrugated sheet, to each vertical, sinuous side of which is welded a thicker metal plate 5 of length equal to that of the sheet, the plates 5 being arranged at an angle to the "medial plane" of the sheet. The medial plane is the lateral plane which lies in the sheet equidistant from the crests and troughs of the corrugations, and the angle of the plates 5 to it is 90 degrees in the case of the "flat" panels for, e.g. a hexagonal section silo unit, but is less, e.g. 60 degrees in the case of part-cylindrical panels for a circular section silo unit. The sloping parts Z, 3 of the corrugations may correspond to the natural "angle of repose" of the grain. The panels are welded together as shown in Fig. 3 along the lines 6 to form a hexagonal section silo, plates 10 being welded at 8 to the plates 5 to form triangular section vertical girders. Several panels are superposed to form the complete unit, and several units, e.g. seven, may be juxtaposed to form a poylcellular silo, see Fig. 7 (not shown). A circular section silo unit is similarly formed, see Fig. 10 (not shown).
Patent GB-659526-A (GB)
Title: Self-aligning bearing mounting
IPC: F16C27/08
Filed: 1949-05-31
Abstract: 659,526. Self-aligning bearing mountings. BOYD, W. May 31, 1949, No. 14593. Convention date, June 1, 1948. [Class 12 (i)] A thrust bearing is rendered self-aligning by interposing between a bearing housing 4 and a machine frame 8, in a cylindrical recess 7 in which it is mounted, a body of plastic substantially incompressible material 9 deformable at temperatures of between - 57 ‹ and 130‹ C., springs 13 ensuring contact thereof during slight reverse thrust load, and pins 14 preventing rotation of the housing in the frame. The periphery 6 of a housing flange 5 is arcuate, of radius R, to permit the selfaligning movement. The plastic ring 9 completely fills and is entirely confined in a space between the housing 4 and frame 8 and is of synthetic rubber reinforced by L-section metal rings 11, 12. In modifications the ring 9 comprises a body of fluid enclosed by . rubber similarly reinforced, or alternatively (Fig. 3), a body of fluid sealed by glands 11, 12.
Patent GB-824856-A (GB)
Title: Vinyl esters of terephthalic acid and monovinyl monomethyl terephthalate
IPC: C08F18/08
Filed: 1956-05-10
Abstract: The invention comprises the mono-vinyl-, divinyl- and mono-methyl-mono-vinyl esters of terephthalic acid and processes for the preparation thereof wherein terephthalic acid or the mono-methyl ester thereof is reacted with acetylene at an elevated temperature in the presence of a catalyst consisting of a mercury, cadmium or zinc salt of terephthalic acid or a mixture thereof; or wherein a mono- or di-salt of terephthalic acid or a salt of the mono-methyl ester of terephthalic acid is reacted with a vinyl halide, e.g. the chloride or bromide, at an elevated temperature.  Solvents mentioned for use in the process are high-boiling point hydrocarbons, e.g. xylene, kogasin and dimethyl formamide in admixture and dimethyl terephthalate. Examples are furnished.
Patent GB-1418664-A (GB)
Title: Rotary positive-displacement hydraulic machines
IPC: F04C2/08
Filed: 1972-03-29
Abstract: 1418664 Rotary positive-displacement devices DOWTY HYDRAULIC UNITS Ltd 20 March 1973 [29 March 1972] 14628/72 Heading F1F In an hydraulic gear-pump end-plates, which may constitute bearing bushes 20 ÀÀ 23, are biased towards the pumping gears 14, 15 by output and input pressures applied to the outer end-faces 54, 55 of the bushes through chambers 34, 35 and 36, 37, respectively, compensation for fluctuating pressure in a region on the inner end-face of each bush betwixt an inlet recess 46 or 47 and a highpressure area 58 or 59 being effected by a hole 52 and a recess 53 in either the outer end-face of the bush or the adjacent portion of the casing 11 or closure member 27. A sealing ring (not shown) may be provided to prevent leakage between said recess and the chamber 36 or 37. Grooves 39 stabilize the positions of the centres of pressure on the inner end-faces. Lubrication of shafts 16 ÀÀ 19 may be ensured by recesses 40 ÀÀ 42, grooves 50 and slots 51. The pairs of bushes 20, 22 and 21, 23 may each be made in one piece. The grooves 39 may be situated radially inwardly of the perimeters of the bushes. Alternatively, as shown in Figs. 7 and 10, each bush may have a recess 122 in its inner end-face in the beforementioned region, this recess communicating with a chamber 130 containing a spring-loaded piston 125, which counterbalances the fluctuating pressure. The chamber 130 may be formed in the bush so that the piston abuts the casing or closure member 127 instead of the bush. A groove 134 equivalent to the groove 39 is extended by a groove 137.
Patent GB-331636-A (GB)
Title: Improvements in or relating to apparatus for delivering articles for use in coin controlled apparatus
IPC: G07F11/22
Filed: 1929-05-10
Abstract: 331,636. Brecknell, Munro & Rogers (1928), Ltd., and Dolman, H. J. May 10, 1929. Delivery of articles stored in piles.-The bottom article of a pile is fed to a shoot 3 where it is supported by a bar 6 in a position 23 ready for delivery. The articles are fed from the magazine 2 by a finger 12 pivoted to the upper end of a lever 10, said lever being actuated by its lower arm 13 engaging with an opening 14 in the bar. On insertion of a coin the bar 6 is freed and can then be pulled forward by a handle 26, thereby bringing an opening 9 in the bar 6 to register with the bottom of the shoot 3 and permit the article to fall to the delivery tray 7. The feeding of the articles to the shoot takes place during the return movement of the bar 6. A pivotally mounted flap 21, which according to the provisional may be spring-pressed or weighted, is provided in the front wall of the magazine to prevent unauthorized abstraction of the articles. Empty machines, locking.-When the shoot 3 is empty and the bar 6 is in its rear position, one arm 18 of a. pivoted lever 15 will engage with an indentation 19 in the bar and lock the latter against any opening movement.
Patent GB-821493-A (GB)
Title: Food chopper
IPC: B26D3/26
Filed: 1958-05-07
Abstract: 821,493. Food choppers. POPEIL, S. J. May 7, 1958 [July 16, 1957], No. 14660/58. Class 28 (2). In chopping food by blades 20 at the shaft end of a handle 11 the shaft 15 is provided with diametrical projections 49 which move down in helical grooves 48 to rotate the blades. Fig. 6 shows the assembly of parts on the shaft 15 on which are knurled grooves 25 to grip a sleeve 30 carrying the protections 49 and secured by a lock-ring 35 and spring 36. The sleeve 30 is provided with flexible chord fins 32 like ratchets to engage teeth 40 on the shaft which holds the rotation of the blades until the next downward push.
Patent GB-947642-A (GB)
Title: Improvements relating to polyurethane plastics
IPC: C08G18/63
Filed: 1960-04-27
Abstract: A foamed polyurethane comprises the condensation product of a polyhydroxyl alcohol ester of riconoleic acid containing at least two ricinoleyl groups and having an equivalent weight in terms of its functional hydroxyl groups above 200; a second organic polyol containing at least three functional hydroxyl groups and having a maximum equivalent weight in terms of its functional hydroxyl groups of about 125; an organic polyisocyanate; a polymerizable ethylenically unsaturated monomer, containing at most one hydroxyl group in an amount of at least 5% of the weight of the ricinoleate. The reaction mixture should not contain a catalyst such as an organic peroxide, which promotes polymerisation of the ethylenically unsaturated monomer.  The ricinoleic acid esters can be the diesters of a glycol, a polyglycol, or glycerol.  The preferred material is castor oil. As the second polyol there can be used N,N,N1,N1-tetrakis - (2 - hydroxypropyl) ethylene diamine, glyceryl mono-ricinoleate, triethanolamine, glycerol, and hexane triol. Suitable foaming agents are water and carboxylic acids such as acetic, propionic, lactic and b -hydroxypropionic acids. Catalysts for the reaction are tertiary amines or metal salts, e.g. iron acetyl acetonate, lead naphthenate, cobalt naphthenate, zinc stearate, tributyl tin methacrylate, dibutyl tin dilaurate, dibutyl tin oxide sodium stearate, sodium ricinoleate, sodium salicylate or sodium citrate, or Lewis acids such as trimethyl boron. In Example (2) a foamed product is obtained by mixing at room temperature tetrakis - (2 - hydroxy propyl) ethylene diamine, castor oil, styrene, ethyl cellulose, water, polyoxyethylated vegetable oil and a mixture of tolylene-2,4- and 2,6-diisocyanates. Maximum rise occurred within 1 minute and cure was complete in 12 hours.  In other, similar examples, the monomer used is methyl methacrylate, ethyl methacrylate, diallyl succinate, ethyl acrylate, n-butyl acrylate, diallyl phthalate, triallyl cyanurate, styrene, diallyl maleate, dimethyl maleate, 2-ethylhexyl acrylate, tetraethylene glycol dimethacrylate, divinyl benzene, vinyl stearate, diethylene glycol dimethacrylate (alone or with vinyl toluene or methylbutenol), vinyl toluene, N,N1-diallyl-melamine (alone or with methyl-butenol or diethylene glycol dimethacrylate). In Example (9) a foamed is prepared by reacting tetrakis (2-hydroxypropyl) ethylene diamine, castor oil, diallyl phthalate, ethyl cellulose, lactic acid, water and a hexanetriol/toluene diisocyanate adduct. Also specified are calcium carbonate, calcium sulphate, calcium oxide aluminium, aluminium oxide and carbon black as fillers.  Suitable foam stabilizers are polyvinyl chloride ethyl cellulose. cellulose acetate or acetate butyrate, silicone oils, polyvinyl alcohol, polyvinyl methyl ether-maleic anhydride, casein, gum arabic and zein. Emulsifying agents which may be added to the reaction mixture are polyoxyethylated vegetable oils, polyglycol esters of fatty acids, sulphonates, ethers, soaps and sulphated soaps.
Patent GB-1436642-A (GB)
Title: Bursting apparatus for continuous forms
IPC: B65H35/10
Filed: 1974-04-03
Abstract: 1436642 Bursting apparatus BURROUGHS CORP 3 April 1974 [2 May 1973] 14720/74 Heading B8R Bursting apparatus 12 for separating a web 26 into sheets along transverse lines of weakness comprises upper and lower elongated transverse members 48, 50, the former carrying soft resilient means 52, e.g. of rubber or neoprene, and the latter carrying two resilient members 62, harder than the means 52 and defining between them a channel 56 through which a plunger 58 is urged upwards by a spring 60 so as to be level with the upper surfaces of the members 62. In operation, the web is fed intermittently, and when a line of weakness is positioned centrally of the channel 56, the member 50 is raised by cams 70 so as to compress the member 52, whereupon the latter distorts the web downwards into the channel 56 against the force of the spring 60, thereby stretching and bursting the web. In another form, Figs. 4 and 5 (not shown), a member (116) having a smoothly rounded end (118) extends from the member 48 between two laterally spaced parts of the resilient means 52, and in operations pentrates into a channel (124) between similarly spaced resilient members (122).
Patent GB-593010-A (GB)
Title: A power factor compensation device for induction type watthourmeters
IPC: G01R11/36
Filed: 1945-06-11
Abstract: 593,010. Supply meters. ENGLISH ELECTRIC CO., Ltd., and TAGG, G. F. June 11, 1945, No. 14731. [Class 37] In an induction watt hour meter a power factor compensating coil wound around the pole of the series magnet is closed by an adjustable resistance supported within a moulding 2 and formed.of tapered strips 10, 11 of high resistance material such as michrome dimensioned to give a change of circuit resistance such that the rate of change of meter registration with movement of a bridging clamp 4, 4a is nearly uniform.