baber/WOPTO huggingface dataset:
Patent GB-765861-A (GB)
Title: Improvements in or relating to magnetic reproducing apparatus
Inventor: SPENCER ROLF EDMUND
IPC: G11B5/56
Filed: 1954-04-29
Abstract: 765,861. Magnetic reproducing apparatus. ELECTRIC & MUSICAL INDUSTRIES, Ltd. April 12, 1955 [April 29, 1954], No. 12406/54. Class 40 (2). In an apparatus for the reproduction of a phase-difference magnetic record recorded with a duplicate reference tracks as described in Specification 762,699, means are provided to detect spurious phase shifts between the signals reproduced from said reference tracks, and means operating in response to the detected phase shifts to vary the positional relationship between the reproducing heads in a manner to reduce said spurious phase shifts. Fig. 4 shows three heads having aligned gaps and mounted in a unit 10 arranged to be movable about a point 11 by means of a lead screw 13 operated by a servo-mechanism 14. Signals from reference tracks R<SP>1</SP> and R<SP>2</SP> are fed to a phase comparator 15 which gives a D.C. output whose amplitude and polarity corresponds to the detected phase shift between signal tracks R<SP>1</SP> and R<SP>2</SP>. The D.C. output is utilized to drive the servo-mechanism in a direction appropriate to correct the spurious phase shift. The outputs from the phase-modulated track I and one (R<SP>2</SP>) of the phase reference tracks are fed to a phase comparator 16 to produce an output representative of the phase differences corresponding to the recorded signals.
Patent GB-303321-A (GB)
Title: Improvements in or relating to low-pressure spraying apparatus
IPC: B05B7/00
Filed: 1928-04-27
Abstract: 303,321. Geier Co., P. A., (Assignees of Martinet, E. F.). Feb. 29, 1928, [Convention date]. Air-pressure sprayers.-An atomizer more particularly for use with the fan unit of an electric dust suction apparatus comprises a straight tubular handle member c, Fig. 1, forming an air supply chamber connected by a hose b to the air delivery a of the fan after removal of the dust bag. The forward end of the member c is provided with an elongated nozzle c<1>, Fig. 4, arranged in line with the upper end f of a tube f<1> immersed in a liquid reservoir the height of the tube being regulated by a nut f<11>. Air is admitted to the vessel e through passages c<11> regulated by a needle valve g<1>. A sliding valve plate d, Fig. 2, operated by a spring-returned push button d<1> controls the passages c<1>, c<11> so that the passage c<11> is closed before the passage c<1>, a vent being provided in the lid of the vessel e so that the pressure in the vessel e is always relieved before air ceases to pass over the opening f. In a modification the vessel e is vented by a normally open tube which is closed when the valve is opened by a plate spring attached to the valve operating rod d<1>.
Patent GB-238311-A (GB)
Title: Improvements in and connected with motor car brakes
IPC: B60T1/14
Filed: 1924-10-20
Abstract: 238,311. Render, G. W., Bagguley, W. W., and Henson, O. Oct. 20, 1924. Skids.-A slipper brake for motor vehicles comprises, a pair of slippers A suspended from the rear axle by links L and provided with rollers a to allow of the motion of the wheels. The slippers are connected by a cross-bar and are lowered into the operative position by a cable E connected to a hand-lever G normally held by a detent and quadrant H<1>. Telescopic rods C connected to the slippers and to the chassis prevent the wheels from mounting the slippers. The under surface of the slippers is provided with ribs a<1> of chilled steel inlaid with vulcanite or rubber a<2>.
Patent GB-474615-A (GB)
Title: Improvements in or relating to fluid operated jacks
IPC: B66F3/25
Filed: 1936-05-04
Abstract: 474,615. Hydraulic jacks. LAKE & ELLIOT, Ltd., and BARRETT, H. R. May 4, 1936, No. 12594. [Class 78 (iii)] A jack of the kind in which a ram is pro jected from a cylinder by fluid and an annular packing is provided at the open end of the cylinder through which the ram is projected tc provide a fluid-tight joint, is characterized in that a fluid inlet is provided at or adjacent the open end of the cylinder, so that the pressure of the inlet fluid will act on the saic packing before acting on the ram. In the embodiment shown ir which a ram 6 is pro jected from a cylinder 1, a sleeve 8 is secured on the cylinder and is provided with an inlet passage 9 leading to a recess 4 in which packing 5 is supported by a plate 15 secured by a split-ring 14. A part circumferential recess 12 in the sleeve ensures free egress of the fluid. The ram is provided with an enlarged end 7, and with passages 23 which facilitate entry of the fluid to the cylinder. Means may be provided on the sleeve for connecting the jack to a vehicle axle. In a further embodiment, the packing is supported in the sleeve by a screwed plug.
Patent GB-1145394-A (GB)
Title: Improved patterning mechanism for circular knitting machines
Inventor: ECOB OSMOND HERBERT
IPC: D04B9/26
Filed: 1967-03-17
Abstract: 1,145,394. Knitting-machines. WILDT MELLOR BROMLEY Ltd. 29 Feb., 1968 [17 March, 1967], No. 12637/67. Heading D1C. A patterning unit for a circular knitting machine with a revolving cam box comprises a bank of presser slides 13 adapted to act on the butts of the needles or jacks which are selec-. tively actuated by a corresponding stack of auxiliary levers 15 controlled from a pattern control. The levers 15 when actuated urge the slides 13 towards the butts of the needles or jacks whereby a selection is made and a catch lever 16 in the form of a spring arm locks the levers 15 in their operative position to retain the slides 13 in their projected paths. Prior to the next selection of the slides the catch lever is tripped to release the levers 15 and the slides 13 return to an inoperative position under the influence of springs 25, 26. The slides 18 may be divided into groups and each group may be selectively controlled.
Patent GB-116975-A (GB)
Title: Improvements in Coverings for Lengths of Elastic Cord.
Inventor: WAREHAM HAROLD JOHN
IPC: A41F3/02
Filed: 1917-09-04
Abstract: 116,975. Wareham, H. J. Sept. 4, 1917. India-rubber and like springs.-Relates to elastic cords for muscle exercises and shock absorbers, or for use in aeroplanes, gun mountings, throwing appliances &c. The cord comprises an india rubber centre a provided with a cover of fabric b of greater length than the unstretched centre, sc that the cover assumes a crinkled form. The cover may be attached to the centre a by whip pings c or metal rings, which secure also turned back extensions d forming end loops. Fig. 3 shows a form in which two cords are connected by portions f. Fig. 8 shows a metal ring j formed with a hole adapted to receive a hook l on the extension m to form an end loop.
Patent GB-1294388-A (GB)
Title: Substituted hydantoins and their use as herbicides
Inventor: ZSCHOCKE ALBRECHT
IPC: C07D233/72
Filed: 1970-03-17
Abstract: 1294388 3 - (m - Carbamoyloxyphenyl) hydantoins BADISCHE ANILIN- & SODAFABRIK AG 17 March 1970 [18 March 1969] 12733/70 Heading C2C Novel hydantoins of the formula in which R<SP>1</SP> is hydrogen or C 1-4  alkyl, R 2  is a saturated or unsaturated aliphatic hydrocarbon radical optionally substituted by halogen, hydroxy, alkoxy, cyano or alkylmercapto groups and R<SP>3</SP> is hydrogen or methyl, are prepared by reacting the appropriate 1-methyl-3-(m-hydroxyphenyl)-hydantoin with aliphatic isocyanate, or by other known methods for converting a hydroxy group to a N-mono or N,N- disubstituted carbamoyloxy group. Specified compounds include those in which R<SP>1</SP> is hydrogen, R<SP>3</SP> is hydrogen or methyl and R<SP>2</SP> is methyl, ethyl, propyl, butyl, cyclohexyl, chloroethyl or methylthioethyl. The hydantoins possess herbicidal properties and are used in conventional forms as weed killers.
Patent GB-259142-A (GB)
Title: Improvement in confectionery coating machines
IPC: A23G3/20
Filed: 1926-05-18
Abstract: 259,142. Marks, E. C. R., (National Equipment Co.). May 18, 1926. Coating confectioners' goods.-In a machine for coating confectionery, the tail-removing roller is rotated at high speed in the direction opposite to the direction of the conveyer movement thereby the excess coating material is thrown by centrifugal force against the coating-conveyer The tail-removing roller 15 is journaled eccentrically in circular plugs 26 .. 29 in which the roll 12 of the coating-conveyer 7 is centrally journaled. The plugs are connected together by suitable bushes, yokes &c., and are thus capable of simultaneous angular movements about the roller for adjustment of the height of the roller 15. The plugs 27, 28 and 29, 37 are carried by bushes 35, 36 respectively which receive the hubs of radially split arms 38 which are connected by a bar 39, locked in position by tightening-screws 38. The bar 39 connects the plugs 26, 27, 28 with the plugs 29, 37 and also bears against and stiffens the roll 12. The bushes may be locked in their adjusted positions by set screws. The height and the proximity of the receiving-conveyer 8 to the roller 15 may be adjusted by known means 19, 23, and the conveyer is provided with an impervious surface, usually of waxed paper, either as an endless plaque or as a series of ordinary plaques. The roller 15 is driven at high speed by pulleys 33, 42 and belt 41, the pulley 42 being driven from the main shaft through step-up gearing part of which is carried on an arm, which is angularly adjustable to tension the belt 41, the arm being adjusted by a screw 50 and clamped by a clamping-screw. The roll 12 is driven by sprockets and a chain 11. The coating-material which is removed from the bottoms of the confections is thrown by the roller 15 on to the descending stretch of the conveyer 7 and is thus carried to the warm parts of the machine. The frames A of the coating-machine are connected by a pair of spaced plates, the upper of which acts as a drip pan and returns the chocolate to the main tank. The space between the plates constitutes a heating - jacket. Specifications 140,871 and 152,583 are referred to.
Patent GB-255983-A (GB)
Title: Improvements in thermionic valves
IPC: H01J7/02
Filed: 1925-05-15
Abstract: 255,983. General Electric Co., Ltd., and Thompson, M. May 15, 1925. Vacuum tubes.-A valve has an uncarbonized cathode of tungsten or tungsten-molybdenum alloy containing thorium and giving the electron emission characteristic of a surface film of therium, a filling of helium at a pressure not greater than a few mm. of mercury, for instance, 3 mm., and not less than 0.1 mm. of mercury. and magnesium or similar reducing metal, having at room pressure a vapour pressure much less than that of potassium, deposited on the inner wall of the bulb. The deposit of magnesium is obtained by attaching a piece of the metal to the anode and heating the anode bv electron bombardment. Specifications 148,132, 184,446, and 248,956 are referred to.
Patent GB-331615-A (GB)
Title: Improvements in devices for trueing abrasive wheels for use on thread or gear grinding machines
IPC: B24B53/04
Filed: 1929-04-25
Abstract: 331,615. Brown & Sons (Huddersfield), Ltd., D., and Brown, F. E. April 25, 1929. Turning.-In a device for trueing the grinding wheel a of a machine, for grinding worm-threads, helical gears, &c. having a tooth contour generated by a straight line moving in a helical path relative to the thread axis, a diamond tool c is reciprocated in an inclined straight line path across the face of the wheel and is at the same time given a combined traversing and angular movement to cause its straight line path to move in the required helical curve corresponding to the lead of the thread which the wheel is designed to grind. The diamond is mounted in a block secured to a slide e moving on guides f<1> formed on a holder f supported on centres carried by a table h. The member f is rotated by worm gearing f<2> operated from a handle f<5> and the table is at the same time traversed by means of gearing f<6> driving a nut co-operating with a stationary screw f<9>. The slide e is continuously reciprocated by means of a Bowden wire j connected to a plunger k reciprocated by a link m driven through gearing m<2> from the machine. In a modification, Fig. 3, the wire j may carry a, hook j<1> engaging over a pin p carried by a plunger k driven by a disc o. The casing j<2> of the Bowden wire is carried in a boss r having a bayonet connection with a sleeve s which is adjustable in a fixed pivot t. To adjust the diamond to wheels of different diameters, a block connected by a spring to the slide e may be positioned by means of a screw w engageable with any of a series of holes v in the holder f. For setting the table, the leadscrew f<9> may be rotated by a hand-wheel.
Patent GB-825102-A (GB)
Title: Improvements in foldable tables
Inventor: CATLING HAROLD BERT
IPC: A47B3/087
Filed: 1957-04-23
Abstract: 825,102. Folding tables. H. B. PRODUCTS (WOODWORK) Ltd. April 22, 1958 [April 23, 1957], No. 12871/57. Class 52(3) A portable table foldable into a box formed by the tray-like parts 1a, 1b of the top joined by a hinge 2 has two pairs of legs, each leg structure comprising a bar 5 pivoted to the top by pins 6 and carrying legs 7 8 each of which is divided into two parts 7a, 7b, 8a, 8b connected by a hinge 10 and abutted by inclined faces 9, resilient tension ligatures of sheathed coiled wire 13, 14 being secured to the table top and to transverse struts 11, 12 to retain the table erect but permit folding when legs are moved past a dead-centre position. Tension members 15 are secured to members 13, 14 by hooks. The table may be used as a bed table by supporting it on the parts 7a, 8a with parts 7b, 8b folded up. In a modification, Fig. 4, the inner parts 20 of the legs have arcuate recesses 23 to receive dowels 24 carried on the outer leg parts 21. Tension springs 30 are loosely threaded through a handle forming sheath 32 and in the extended position the upper ends of the legs abut against stop dowels 34 projecting inwards from the side flanges of the table top.
Patent GB-699657-A (GB)
Title: Improvements in or relating to a machine for manufacturing a reversible pile fabric
IPC: D05C15/00
Filed: 1949-09-20
Abstract: 699,657. Sewing-machines. RUSSELLLACEY MFG. CO., Inc. Sept. 20, 1949, No. 12872/51. Divided out of 699,633. Class 112. Tufting-machines.-A machine for producing reversible pile fabric as described in Specification 699,633 comprises a reciprocating needle for inserting successive doubled portions of a continuous pile yarn in a fabric base, thereby forming loops of yarn extending.from one face of the fabric, means for training the yarn to form a loop extending from the other face as each succeeding doubled portion of yarn is inserted, and means for cutting the loops extending from one or each face to form chenille ends. The machine shown is similar to an ordinary machine as regards the arrangement and operation of the needle 33, presser-foot 34, and feed-dog 35, and is arranged for cutting the loops on the upper side of the fabric only. A hook member 51, oscillated by an arm 48 linked to a disc crank 46 on the lower shaft 37 of the machine, takes the inserted loops successively from the needle, and each loop is taken from the member 51, to make room for the next, by a second hook member 52 on a shaft 54 which is oscillated by an arm engaging a cam on the shaft 37, and a third hook member 53, similarly operated, takes the loop from the member 52 and releases it, the next loop having then been formed and held by the member 51. The yarn between successive inserted loops is engaged by a finger 61 to form loops above the fabric, this finger being carried by an arm 60 on a shaft 36 oscillated by eccentric and pitman from the needle-bar shaft. A second oscillating shaft 67, linked to the shaft 36, carries a cutting blade 64 which co-operates with a sharpened upper edge on the finger 61 to cut the loops on the finger as they are moved along it by the feeding of the work. The devices beneath the work are replaced by devices similar to those above it if the lower loops are also to be cut, or the two sets of devices are interchanged if the lower loops only are to be cut.
Patent GB-483531-A (GB)
Title: Gas-operated automatic firearm having a recoiling barrel which is independent of thebreech action
IPC: F41A3/82
Filed: 1937-05-06
Abstract: 483,531. Machine guns. SOC. ITALIANA E. BREDA PER COSTRUZIONI MECCANICHE. May 6, 1937, No. 12988. Convention date, May 27, 1936. [Class 92 (ii)] An automatic gun comprises a recoiling barrel 6, a breech-block 1, slidably mounted on a longitudinally reciprocating carrier 1<1> and actuated by a gas piston 4, and a fixed casing 10 having an opening 8 through which the cartridges are fed into a position ready to be engaged by mechanism which transfers them to the barrel chamber. The breech-block shown is controlled by a spring 2 and is adapted to be held in the retracted position by a sear 3. The gas cylinder 7 is fixed to the barrel and is surrounded by a spring 9, which bears against that part of the casing 10 in which the cylinder moves and constitutes the return spring for the barrel. The gun may be fitted with a pneumatic or hydraulic buffer comprising a cylinder 12 connected to the barrel and a piston 11 connected to the fixed casing. The cylinder has an internal lining 13 which is suitably slotted to enable air or liquid to escape from one end of the cylinder to the other.
Patent GB-292059-A (GB)
Title: Improvements in the manufacture and production of esters
IPC: C07C69/28
Filed: 1927-01-31
Abstract: 292,059. I. G. Farbenindustrie Akt.- Ges. Jan. 31, 1927. Divided on and addition to 265,233. Mono-esters of glycol or its homologues are prepared by heating alkylene oxides with organic carboxylic acids in the presence of a mineral acid such as sulphonic acid, or an acid salt thereof such as sodium bisulphate, or a salt of a strong base with an organic acid other than that to be esterfied. The reaction may be conducted under pressure. According to the example, ethylene oxide is passed into hot acetic acid containing sulphuric acid, yielding glycol monoacetate.
Patent GB-791845-A (GB)
Title: Device for sampling gases
IPC: G01N1/22
Filed: 1956-04-27
Abstract: 791,845. Gas sampling devices. ATOMIC ENERGY OF CANADA, Ltd. April 27, 1956 [June 17, 1955], No. 13049/56. Class 97(3) The device is adapted to sample gases at a high rate of flow of at least 400 litres per minute and comprises a cylindrical tube 10 for conversion to a source of suction and surrounded by a member 11 so as to define therebetween an annular passage which tapers over most of its length. Adjacent the narrow end of this passage a sampling tray 18 may be secured to the member 11 by screws 19, so as to enclose a radial passage 20 communicating with the annular passage. In use, the tray 18 is coated with sticky material and the gas is drawn through the annular passage so that any particles in the gas are deposited on tray 18 and can subsequently be investigated as by a suitable scintillation counter, a chemical examination or a microscope.
Patent GB-248224-A (GB)
Title: Speed changing apparatus
IPC: F16H35/02
Filed: 1925-05-19
Abstract: 248,224. Schwob, M., and Desoroux, J. May 19, 1925. Driving-arrangements. - Gearing yielding a cyclically varying speed specially adapted for throstle spinning-machines comprises an epicyclic train 4, 8. 5 controlled by an eccentric wheel pair 32, 33. A driving pulley 1 is fast with one side gear 4, and another side gear 5 is fast on the driven shaft 6. Planet gears 8 are carried by a wheel 9 connected by a gear train 11 with a shaft 15. Upon the shaft 15 there slides a controlling member 19 having a cone clutch surface 17 and a toothed periphery. A coacting member 30 is connected through the eccentric wheels 32, 33 and ordinary wheels 35, 36 to a shaft 37 which is connected by a train 42 to the shaft 6. When the control members 19 is moved to the right, its periphery engages a fixed toothed ring 25, with the result that the wheel 9 is held fast and the shaft 6 is driven at a relatively low speed for winding the bottom of the bobbin. The member 19 is normally held in this position by a lever 23 pressed upon by a plate 26 which is moved transversely by suitable linkage as the ring rail indicated at 27 rises. The plate 26 has a notch through which the lever 23 drops, whereupon a spring 24 thrusts the clutch 17 into engagement with the member 30 bringing the eccentric gearing into action so that the shaft 6 is driven cyclically for winding the body of the bobbin. The trains 11 and 42 are of adjustable gear ratio and the shafts 15, 37 may be interrupted by reducing trains 16, 38.
Patent GB-131270-A (GB)
IPC: G07C3/12
Abstract: 131,270. Schneider et Cie. Aug. 10, 1918, [Convention date]. Time-distance recorders.- In apparatus for recording the operations of a machine or other moving apparatus, for example, the fluid pressure and times of working as functions of the stroke of the ram of an hydraulic press, a record-strip H is moved over a table K by a drum G loose on a shaft e; said drum is adapted to be rotated. by a conical pulley E when the pulley is clutched thereto by a spring bolt c<4>, engaging one of the holes in the end of the drum. A cord D secured to the ram of the press passes over a guidepulley F and engages the screw-threaded rim of the pulley E to which it is attached; the inclined rim of the pulley ensures that the unwinding diameter of the cord shall at all times be equal to the winding diameter of the recordstrip. A pressure gauge M is connected to the cylinder of the press and to an ink container n which acts on a pen to produce a record of the pressure. To record the time-periods taken by the ram to make the stroke, a plurality of pencils or styli, as shown in Fig. 7, is mounted on an endless chain R arranged below the record-strip and driven at a constant speed across the strip by means of an electric motor. The table K is provided with a slot K<2> and the styli are adapted to pass therethrough and press the paper-strip against an inking-strip S carried by reels on a hinged support T<1>. The distance between the styli is such that when one is about to leave thn record-strip the following one is ready to come into operation. Pencils X, X<1> are arranged above the record-strip on a rod Y and are adjusted at a distance apart equivalent to the speed of the motor so as to form representations of the scale of time periods; a third pencil X<2> may be arranged mid-way between the pencils X, X<1>.
Patent GB-408459-A (GB)
Title: Improvements in and relating to the production of carbon dioxide ice
IPC: C01B32/55
Filed: 1933-05-05
Abstract: 408,459. Solidifying carbon dioxide. NAAMLOOZE VENNOOTSCHAP MIDDEN EUROPEESCHE OCTROOI - MAATSCHAPPIJ, 597, Heerengracht, Amsterdam. May 5, 1933, No. 13160. Convention date, May 16, 1932. [Class 8 (ii).] Compressed carbon dioxide is fed into the working chamber of a press 1 and allowed to expand therein to triple point pressure, the gas being returned to a compressor. The fluid is then further expanded to atmospheric pressure by discharge of gas from the lower part of the chamber through orifices 9<1>, the gas returning to a second compressor. The mass of crystals so formed is compressed by the piston 2 and removed on the platform 8. Auxiliary outlets 9 are provided in the upper part of the chamber. Two chambers may be used in parallel allowing continuous working. The fluid inlet 3 is flared towards the press chamber, and controlled by a needle valve. Specification 314,371, [Class 8 (ii)], is referred to.