baber/WOPTO huggingface dataset:
Patent GB-868366-A (GB)
Title: Improvements in or relating to locks suitable for use on gates
IPC: E05B65/08
Filed: 1958-09-09
Abstract: 868,366. Locks; double door fasteners. LEE, G. H. Sept. 8, 1959 [Sept. 9, 1958], No. 28911/58. Class 44. A lock for a telescopic sliding gate, comprises a first member 1, Fig. 2, a second member 2, Fig. 4, movable relative to the first member and adapted to be locked thereto, an opening 5 in the first member, a pin 6 carried by the second member and adapted to enter the opening 5 to effect locking, a spring 7 for urging the pin 6 into the opening 5, and key-operated means, for example a slidably mounted push rod 11 in the first member for forcing the pin 6 out of the opening 5 to effect unlocking. The member 1 has a projecting portion 3 which is adapted to enter a recess 4 in the member 2, the portion 3 having the opening 5 extending therethrough in which is disposed the rod 11, one end of the latter being adapted to be received within a recess 13 in the member 2. The rod 11 has a recess 23 therein in which lies one end 22 of the barrel 14 of a pin tumbler barrel lock operated by a key 19, the barrel 14 being prevented from moving axially in the member 1 by a wire 21 which co-operates with a groove 20 in the barrel periphery. The portion 3 of the member 1 has a bevelled end 10 and the rod 11 is bevelled at 12, so that when the portion 3 is inserted into the recess 4 in the member 2 the pin 6 and the rod 11 automatically engage the opening 5 and the recess 13, respectively, and the end 22 of the barrel 14 is cam-shaped, so that when the barrel is rotated by the key 19 to effect unlocking the pin 6 and the rod 11 are moved out of engagement with the opening 5 and the recess 13.
Patent GB-223420-A (GB)
Title: Improvements in the driving and control of power-operated sewing machines and the like
IPC: D05B69/12
Filed: 1923-11-16
Abstract: 223,420. Fairweather, W., (Singer Manufacturing Co.). Nov. 16, 1923. Gearing for stopping and starting machinery; clutches, friction. - A framework 19, 20 rigidly ceentred upon or connected to a motor casing 1 carries a bearing 21 for a slidable shaft 23 in line with the motor shaft 2. Friction-clutch halves 12, 30 are secured to the respective shafts 2, 23 and are enclosed by an annular shield 18 carried by the frame 19, 20. On the outer end of the shaft 23 is a pulley 33 for driving a sewing or like machine. Treadle-operated clutch and brake levers 36, 50 are pivoted between the frame-arms 20 and are held in adjustable contact at 52 by a spring 53 to allow for wear. Spaced arms 37 on the lever 36 carry pins 38 which take into oversize holes in a thimble 40 surrounding a thrustbearing 41 adjacent the member 30. A slide. rod 42, journaled in the bearing casing 21 and spring-pressed against the lever 36, acts on the pulley 33 to separate positively the clutch-parts when the treadle is released. The clutch-part 30 is grooved to receive a friction-band 32 which is arranged to give three-point contact as shown in Fig. 3. The device is shown fixed to a flat table, but to allow of it being used with a trough-top table, the motor-casing 1 is provided with two sets of bolt-holes 4b, 4c for attaching the end-cover 4 so that the lever 36 always oscillates in a, vertical plane.
Patent GB-844883-A (GB)
Title: Improvements in or relating to the purification of pyridoxine-yielding materials
Inventor: HOWSHIP ANTONY STEPHEN
Filed: 1957-09-13
Abstract: Non-3-hydroxy-pyridines and/or other basic impurities are separated from pyridoxineyielding material containing 3-hydroxy-pyridines and/or salts thereof useful as intermediates in the synthesis of pyridoxine hydrochloride, in a process wherein a solution containing pyridoxineyielding material containing one or more substituted 3-hydroxy-pyridines and/or salts thereof and non-3-hydroxy-pyridines and/or other basic impurities is subjected to the action of a synthetic anion exchange resin in which the active groups are quaternary ammonium groups in hydroxide form, to form a complex between the resin and the substituted 3-hydroxy-pyridines and/or salts thereof, whereafter the complex is separated from the solution and one or more substituted 3-hydroxy-pyridines and/or salts thereof is or are recovered from the complex.  Prior to treatment with the synthetic anion exchange resin a solution of the impure pyridoxine-yielding material may be contacted either with a synthetic ion exchange resin having moderately basic groups whereby an nion-free effluent is obtained, or with a synthetic ation exchange resin having strongly acidic groups whereby a cation-exchange resin subsubstituted 3-hydroxy-pyridine complex is obtained which on treatment with a weak easily volatile base yields a substantially anion free solution of a substituted 3-hydroxy-pyridine. Specification 809,298 is referred to.
Patent GB-1481962-A (GB)
Title: Pack-forming apparatus
IPC: B65B61/14
Filed: 1974-06-29
Abstract: 1481962 Friction clutches METAL BOX Ltd 30 July 1974 28972/74 Heading F2C [Also in Divisions B8 and B5] A winch clutch in which a driven sleeve 144 drives a hub 141 by means of a torsion spring 133 is disengaged by a latch 147 which is pivoted on the sleeve 144 and is urged by a spring 149 to engage the end 146 of the spring to hold it in a de-clutched position. When a solenoid T6 pulls a trigger 152 against the latch 147, the latch pivots enabling the end 146 of the spring to move forward and the spring to grip the hub 141. When the solenoid releases the trigger, the end 154 of the trigger cams the head 151 of the latch inwardly forcing the end 146 of the spring back.
Patent GB-980780-A (GB)
Title: Production of structural members based on metal and polyamides
Inventor: RAICHLE LUDWIG
IPC: B29C39/00
Filed: 1963-07-23
Abstract: In a process for the production of structural members based on metal and polyamide, the pores and the surface of a porous shaped article of sintered metal are completely or partly filled up and covered with a polymerization mixture comprising a lactam, an alkaline polymerization catalyst and a catalyst activator and polymerization effected.  The polymerization may be effected in a mould.  Specified sintered metals are steel and steel alloys, e.g. chromium nickel steel, bronze, and brass alloys. Specified lactams are pyrrolidone, piperidone, caprolactam, capryllactam, oenantholactam, capric lactam, laurolactam, E-methyl-E-caprolactam, Z - ethyl - Z - oenantholactam and methylene-bis-caprolactam. Specified catalysts are the alkali and alkaline earth metals and basic compounds thereof.  Specified activators are substituted ureas, guanidines, urethanes and N-cyanolactams.  The examples describe the polymerization of caprolactam in a mould in the presence of sodium and bis-(caprolactam carboxylic acid)hexamethylene diamide, the sintered metal being:-(1) two chromium-nickel-steel plates and (2) a metal plate. Composite objects which may be made by the process of the invention are bearings, gears, bushings, slides, piston rings, commutator discs and shafts and armature spirals and shafts. Specifications 900,150 and 900,151 are referred
Patent GB-319700-A (GB)
Title: Improvements in or relating to mechanical shaping of dough
IPC: A21C3/02
Filed: 1928-10-17
Abstract: 319,700. Peters, J. P. Aug. 30, 1928, [Convention date]. Divided on 318,191. Dough - working machines; rolling- machines. - The front edge of a sheeted dough portion is folded and straightened by means of a pivoted flap member arranged in advance oi a flattening- roller. As shown, the dough sheet 8 is carried by a belt 22 beneath a pivoted flap or curved member 28 which engages with and turns over the front edge 9 of the sheet. Behind and close to the flap is a flattening-roller 31 preferably of barrel shape. The sides of the sheet may be straightened by side rollers 30. Opposite to the roller 31 the belt 22 is backed by a roller 26. The invention is illustrated in connection with the machine described in Specification 318,191.
Patent GB-794085-A (GB)
Title: Improvements in or relating to tube assemblies
IPC: B21D53/08
Filed: 1956-09-24
Abstract: 794,085. Making heat-exchangers; jointing by stamping. EUILLADES, N. C. Sept. 24, 1956, No. 29170/56. Classes 83 (2) and 83 (4). [Also in Group XIII] A method of assembling a tube to a supporting plate, e.g. in heat exchanging structures, comprises forming in the supporting plate 2 one or more parallel grooves 3 of channel form showing at each side two vertical adjacent parallel walls 6, 61 and 7, 7<SP>1</SP>, inserting a tube 1 into each groove and then forcing towards each other the said walls, so that the inner face of each inner wall 6, 7 will be in contact with the outer periphery of the tube, while the inner face of each outer wall, 6<SP>1</SP>, 7<SP>1</SP> is in close contact with the outer face of the corresponding inner wall. The bottom of the groove lies flush with the flat portions of the plate 2. In an evaporator for a refrigerator a coiled tube 10 is mounted on an arcuate supporting plate 8 (Fig. 6) by the aforesaid method.
Patent GB-603884-A (GB)
Title: Fuel control method and apparatus
IPC: F02C7/22
Filed: 1945-11-02
Abstract: 603,884. Supplying fuel to liquid-fuel burners. BENDIX AVIATION CORPORATION. Nov. 2, 1945, No. 29182. Convention date, Jan. 4. [Class 75(i)] [Also in Groups XXVI and XXIX] The fuel injection nozzles of the combustion chambers of a continuous combustion gas turbine operate in two stages For light loads, when the pressure of the fuel supply is low, the fuel is delivered to a burner only by a pipe 52 and passes through a bore 148 to radial holes 150 and discharges to the orifice 161 through tangentially arranged grooves in the conical head 154. At increased load and fuel supply pressure, a valve is opened which permits the delivery of fuel also by a pipe 50 to a chamber 162 in the burner from which it is discharged to the orifice 161 by tangentially arranged passages 168. Reference has been directed by the Comptroller to Specification 588,083, [Group XXVI].
Patent GB-173358-A (GB)
Title: Improvements in spring seats, spring mattresses and the like
IPC: A47C23/02
Filed: 1920-10-15
Abstract: 173,358. Wright, C. J. Oct. 15, 1920. Spring mattresses.-A spring cushion, mattress, or seat comprises a number of parallel spring wires A extending across a supporting frame C to which are fixed rods B on which the ends of the wires are coiled. Adjacent wires are connected together by tie-wires F. Fig. 1 shows a seat with the ends A<6> of each spring wire abutting against the frame. Fig. 2 shows a seat with the ends of the spring wires extended, bent, and coiled to form extra bows D at the front of the seat and extra bows E which form a seat back.
Patent GB-1501066-A (GB)
Title: Cleaning vehicles
IPC: B01D46/04
Filed: 1976-07-14
Abstract: 1501066 Vacuum cleaners FMC CORP 14 July 1976 [13 Aug1975] 29234/76 Heading A4F [ Also in Divisions B 1 B2 El and E2] A street cleaner or industrial vacuum cleaner includes a suction fan B which draws dust-laden air upwards through inlet 96 into chamber D and thence inwards through annular, pleated, resin-impregnated paper filter elements C whose open upper ends are removably mounted in apertures in partition 102 and which are periodically cleaned by jets of compressed air directed into their upper ends from nozzle pipes 220. Each pipe 220 extends along a row of elements C, Fig.4 (not shown) and solenoid valves (224) controlled by timer (230) direct air into each pipe in turn for 0À1 second periods every 24 seconds without interrupting filtering flow. The pipes are mounted in a lid 130 hinged at 135 and opening to provide access to chambers D and V to enable elements C to be replaced, Fig.7 (not shown). Each element, Figs.8 to 10 (not shown), has an internal helical support spring, axially spaced external rings of mesh (210), to prevent expansion by reverse flow jets, and an upper end moulded into a Neoprene grommet which is designed to snap into its aperture in partition 102. The element is 12 inches long and its pleats have a radial dimension of 0.25 inch and an external included angle of 20-35 degrees. The paper is 0.030 inch thick with nominal pore size of 40 microns. The housing which includes chambers D, V can be tilted about pivots 50 by hydraulic rams 64, Fig.1 (not shown), and a lower door 72 is then opened by another ram 83 to discharge collected dust. The housing makes respective seals by gaskets 94 and 118 with broom housing 140 and fan housing 120 which do not tilt therewith. Housing 140 encloses a cylindrical brush 40 and an elevator paddle 42 rotated by respective hydraulic motors (170, 172) which throw debris into chamber D, a baffle 121 protecting filter elements C from direct impacts. The machine includes a curb brush (44) rotatable by hydraulic motor (182) and mounted on the front part of the machine, Figs.1,2 and 6 (not shown). The front part carries a driver's seat and an internal combustion engine (E), which drives suction fan B and an air compressor (180), which supplies reverse flow nozzle pipes (220), through respective driving belts. The engine also drives two hydraulic pumps (162, 165). Pump (165) is constant delivery and powers rams 64, 82 and hydraulic motors (170, 172, 182). The pump (162) is of the variable delivery, reversible type and supplies an hydraulic motor 160 which turns the single front driving wheel (21). Two rear wheels 20 are freely rotatable.
Patent GB-832525-A (GB)
Title: Improvements relating to the production of ribbed insoles for footwear, and apparatus for use therein
Inventor: HUDSON SAMUEL GEORGE
IPC: A43D43/06
Filed: 1956-09-25
Abstract: 832,525. Applying ribs to insoles. FAIRE BROS. & CO. Ltd. Sept 18, 1957 [Sept. 25, 1956], No. 29307/56. Class 17(1) The insole guide 4 of a machine for applying preformed sewing ribs to insoles comprises a guide edge 21 against which the periphery of the insole may be held as it is displaced, to determine the spacing of the rib from the insole edge, means to permit the guide edge to be displaced at will by the hand of the operator during operation so that the position of the rib can be determined independently of the periphery of the insole, and means 15, 16 to resist this independent guide movement and thereby steady the work. The guide 4 and work supporting roll 3 are mounted on a bracket 5 which may be swung downwardly, by means of handle 6, away from the rib guide and feed fingers to permit an insole to be inserted. Also guide 4 is linked to handle 6 and may be adjusted laterally relatively to roll 3 by swinging handle 6 about vertical pivot 8, scale 9 and pointer 10 indicating the adjustment. Handle 6 is normally held in predetermined lateral position by springs 11. The guide comprises two plates 12, 13 hinged together at 14, and urged together by torsion spring 15 and compression spring 16 which may be adjusted by nut 17. Portion 20 of lower blade 13 projects over roll 3 and serves to support the insole. Finger 21 on top plate 12 constitutes the guide edge against the end of which the edge of the insole is normally held, but when the rib is to be located inwardly of the edge of the blank, e.g. as at the arch support portion 2, Fig. 1, the upper plate 12 is raised, by means of arm 22 or by the entrance of the skived edge of the arch support portion, and the blank engaged between the plates to a depth determined by the operator.
Patent GB-519263-A (GB)
Title: Improvements in or relating to devices comprising an electric discharge tube giving a visual indication of voltage
IPC: H01J31/14
Filed: 1938-10-10
Abstract: 519,263. Cathode-ray tubes. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Oct. 10, 1938, No. 29357. Convention date, Oct. 13; 1937. [Class 39 (i)] In a tuning or like voltage indicator the electrons from a cathode 2 are formed into beam by two or more electrodes 4, 5 so as to come to a focus in front of a diaphragm 6 ; the orifice may be star-shaped. Further electrodes 7 may be interposed between the diaphragm and a fluorescent screen. The voltage to be indicated -as shown the signal in a receiver-is applied to the electrode 4 and varies the focal point of the beam ; the light spot on the screen may be biggest when the desired tuning condition is reached. The electrode 4 is given a bias negative to the cathode, if the voltage tapping A from the detector 10 is positive, but is given a positive bias if connected to a negative tapping B. The diaphragm may be connected to the electrodes on either side of it and it may have a cylindrical extension partly surrounding the electron path.
Patent GB-277199-A (GB)
Title: Improvements in lead alloys
IPC: C22C11/08
Filed: 1926-11-22
Abstract: 277,199. Yoshikawa, H. Nov. 22, 1926. Alloys.-Lead alloys contain up to 4 per cent of bismuth and also up to 10 per cent of a metal or metals immiscible with lead, such as copper, nickel, cobalt., manganese, chromium, and aluminium. Specific examples contain (1) less than 2 per cent of copper and less than 1 per cent of bismuth; (2) less than 1 per cent of nickel and less than 1 per cent of bismuth.
Patent GB-285966-A (GB)
Title: Improvements in brakes for railway vehicles
IPC: B60T13/26
Filed: 1926-11-23
Abstract: 285,966. Nicholson, M. Nov. 23, 1926. Skid; applied by weight of vehicle; fluid pressure.-Skid brakes a attached to the bogie frame of a railway and like vehicle and applied by the weight, of the vehicle are released by transferring the weight to the vehicle axles by means of hydraulic jacks f bearing on the vertically slidable wheel journals d. The brake is controlled by the existing vacuum brake piping by means of a piston u in a cylinder u<1> connected to the vacuum pipe u<2>. The piston u is connected to a lever t operating the control valves s', s<2> and connected to a plunger v which is acted on by the hydraulic pressure in the valve chamber o to return the lever to the neutral position so as to vary the brake pressure proportionally to the pressure in the vacutun pipe. An electric motor n<1> drives an oil compressor n provided with a pressure accumulator p a port from which is controlled by the valve s'. The valve s<2> controls .a port to the oil supply tank for release of the pressure. The plungers for each axle are connected together by piping r'. The jacks f are provided with air bottles g to act as shock absorbers and allow the axle-box springs to be dispensed with. To limit the lifting action of the jacks a check plate is suspended below the journals by eye-bolts secured to the bogie frame and carrying rubber compression washers. The plunger of the jack is protected by a flexible leather or rubber sleeve. An electric solenoid may be used in place of the controlling vacuum cylinder.
Patent GB-1309133-A (GB)
Title: Diffusion-fast colour-forming silver halide developing agents
IPC: G03C7/00
Filed: 1970-06-18
Abstract: 1309133 Phenylenediamine derivatives AGFAGEVAERT AG 18 June 1970 [19 June 1969] 29593/70 Heading C2C [Also in Division G2] N - Dodecyl - N - (3 - sulphopropyl) - p - phenylenediamine is prepared by nickel-catalysed hydrogenation of 4 - nitroso - N - dodecyl - N- #-sulphopropyl aniline. 4-Nitroso-N-dodecyl-N- #-sulphopropylaniline is prepared by refluxing N-dodecylaniline mixed with propane sultone in toluene, and treating the residue with concentrated sulphuric acid and sodium nitrite at 0‹ C. N-dodecylaniline is prepared by refluxing aniline mixed with 1-bromododecane. The following phenylene-diamines may be prepared similarly: N - dodecyl - N - (4 - sulphobutyl) - pphenylenediamine, N - dodecyl - N - (# - hydroxyethyl) - p - phenylenediamine, 4 - [N - dodecyl- N - (# - carboxyethyl)]amino- 2 - methylaniline, 4 - [N - dodecyl - N - (3 - sulphopropyl)]amino- 2,6 - dimethylaniline, 4 - [N - dodecyl - N - (#- methylsulphonamidoethyl)]amino - 2 - methylaniline and 4 - [N - dodecyl - N - (3 - sulphopropyl)]amino-2-methylaniline.
Patent GB-630440-A (GB)
Title: Improvements in and relating to electrically heated means for the permanent waving of hair
IPC: A45D4/06
Filed: 1946-10-04
Abstract: 630,440. Electrically-heated hair-wavers. MACDONALD, W., and MACDONALD, H. Oct. 4, 1946, No. 29613. [Class 39(iii)] Electrically-heated hair-waving apparatus comprises a separate bag or envelope of flexible, moisture-proof material into which a flexible support carrying resistance wiring is inserted, the bag or envelope being formed to enclose the support on all sides, and the device being adapted to be folded or wrapped about a hair waving curler or mandrel. The bag or envelope may be of material such as natural or synthetic rubber sheet or rubberised cloth or a plasticimpregnated fabric. In one example (Fig. 1) an outer envelope 1 of rubber or the like having a flap 2 contains a similar envelope 3, the flap 4 of which is sealed. Within this again an envelope 5 of regenerated cellulose material encloses a resistance element 6 comprising two layers of cotton or other textile fabric which are stitched together longitudinally to form parallel channels through which resistance wire is threaded in a series of loops. The flap 2 of the outer bag 1 is tucked in and secured by a pair of rubber bands (Fig. 2, not shown) insulated leads 10, 11 projecting from the pad. In an alternative form (Fig. 4) the resistance wiring is stitched onto a fabric base 14 to form three groups or convolutions so that more heat is afforded at the ends of the pad than at the central portion. The base 14 is provided with a recess 15 to accommodate the part of a tress of hair between the wound portion and the roots when the pad is wrapped round a curler, and the outer envelopes within which the element is inserted are similarly recessed. The heating pads may be held in place on the curler by a spring clip (Figs. 6 and 7, not shown) or by tapes or elastic bands or, alternatively, the pad may form a lining to the jaws of a spring clip. The wiring may be arranged as in Fig. 9 (not shown) to give a warmer belt along the sides to prevent a heat gradient, and the element may be backed on one side by heat insulating material. Specifications 453,700, 453,701 and 456,336, [all in Group XIV], are referred to.
Patent GB-282323-A (GB)
Title: An improved air directing device for use in connection with ventilating or air supply systems
IPC: F24F13/065
Filed: 1927-11-07
Abstract: 282,323. Neilson, T., and Marshall, J. Nov. 7, 1927. Addition to 228,440. Ventilators.-The nozzle-containing member 4 of the air-directing device of the parent Specification is of ellipsoidal shape and is rotatably mounted in an independently rotatable bearing ring 6 which conforms partially to the shape of the nozzle member. The bearing ring 6 is formed of two flanged parts 6a. 6<b> which are adapted to rotate in a groove provided between two spaced members 2b, 2<c> secured to the wall of the air duct. The flanges 8<a>, 8<b> are shaped to receive the nozzle member 4 which has a venturi-shaped nozzle 5. The member 4 is provided with two pins 14 on its minor axis, and these are received in bearings 15 formed in the bearing ring 6. Soft packing 11 is nlaced between the members 6<a>. 6<b> and between the socket 8 and the nozzle member 4. The flange 8<a> has an extension 9, and the flange 8<b> has indentations 13 in its edge for the recention of the finger tips of the operator. Two handles 12 are fitted on the nozzle member. The nozzle 4 is adapted to be rotatable on the axis X-X, Fig. 2, and the bearing ring 6 is rotatable on the axis Y-Y, Fig. 3.