baber/WOPTO huggingface dataset:
Patent GB-367888-A (GB)
Title: Improvements relating to shock absorbers for motor vehicles
IPC: F16F9/14
Filed: 1930-11-27
Abstract: 367,888. Hydraulic shock-absorbers. LUCAS, Ltd., J. and SIMPSON, R., Great King Street, Birmingham. Nov. 27, 1930, No. 35696. [Class 108 (iii).] In hydraulic shock-absorbers of the oscillating type in which movement away from a central position is allowed freely while return movements are hydraulically resisted, passages leading to two one-way valves acting in opposite directions are closed alternately when an operating member moves on either side of its central position. Figs. 3 and 4 show two sections at different points perpendicular to the axis. The operating spindle carries a movable vane b and bears in a concave recess in the fixed abutment d. The oppositely acting ball valves g allow liquid to flow freely whenever the ends of their conduits h, i are uncovered by slots k, j in the operating spindle. During the return of the spindle to its central position, liquid can only pass from one side of the vane to the other through a throttling orifice, not shown, controlled from the outside of the apparatus by a regulating valve.
Patent GB-430433-A (GB)
Title: Improved means for testing dynamos for faults in the armature windings
IPC: H02K15/00
Filed: 1933-12-21
Abstract: 430,433. Detecting faults. RUNBAKEN, J. H., Marvvale, Hill Top, Wilinslow, Cheshire. Dec. 21, 1933, No. 36029. [Class 37] Apparatus for testing direct-current dynamos or motors for faults in the armature windings comprises a source of intermittent current emitting an audible note during operation, a condenser in shunt across said source, and means for connecting the source in slow succession to the armature windings, faulty windings being indicated by a change in tone of the note emitted by the source. In the arrangement shown, the casing b is provided with a handle c carrying a dry cell d, one end of which is connected to the casing while the other end is connected to an insulated socket h. A buzzer a and condenser m are connected in parallel between the casing and another insulated socket i, and the circuit is completed through leads plugged into the sockets h, i and connected to the commutator segments of the dynamo or motor under test. The casing may also contain a rheostat for adjusting the note of the buzzer to the most convenient pitch, and a multi-range meter n for use in leakage and other tests.
Patent GB-757531-A (GB)
Title: Improvements in the production of modified polystyrene
IPC: C08F257/02
Filed: 1953-12-30
Abstract: Styrene is polymerized to a predominant extent (e.g. more than 90 per cent) in aqueous media containing protective colloids, such as glue or gelatin, then a smaller amount of a diene is added and copolymerized with the residual styrene.  The diene may be butadiene, isoprene or 2-ethylbutadiene.  A catalyst such as benzoyl peroxide with or without di-t-butyl peroxide is preferably used, and polymerization regulators, such as di-isopropyl or di-isobutyl xanthate disulphide, may also be added before or during the polymerization.  The beads obtained may be moulded to give products of improved physical properties.
Patent GB-1378059-A (GB)
Title: Supplying weft thread for insertion in an open shed of warp threads during weaving of a fabric in a shuttleless loom with air-jet or water-jet weft insertion
IPC: D03D47/34
Filed: 1972-08-03
Abstract: 1378059 Storing weft ZBROJOVKA VSETIN NARODNI PODNIK and VYZKUMNY USTAV LYKOVYCH VLAKEN 3 Aug 1972 [5 Aug 1971] 36267/72 Heading D1E A weft magazine 1 for a jet loom comprises a drum 27 containing a coaxial circular section guiding member 40, and into which air is injected to produce a helical or spiral flow which entrains the weft 5 in a similar path before it leaves the drum through an orifice 30. Exit holes 36 for the air are provided around part of side wall 31 of the drum, spaced in the axial direction the part of the wall 31 where the air enters. The holes 36 may extend only part of the way around the periphery of the drum, (Figs. 4 and 5, not shown). In one embodiment Fig. 3, air is injected into the drum through a tangential tube 21, through which the weft 5 also enters. Two wefts may be stored separately, by providing a further drum (1a) Fig. 16 (not shown) coaxial with and surrounding a first drum 1b, such that drum 1b acts as the guiding member 40 for drum 1a, and exit holes 36b, for the passage of air from drum 1b to 1a are provided. Two such pairs of drum may be arranged coaxially, Fig. 20 to provide storage for four wefts, the wefts leaving the device through a series of aligned holes (68-71) in a plate (67) Fig. 21 (not shown). In a further embodiment, Fig. 15, a helical plate 62 is arranged around the inside of a cylindrical drum 27, to guide the air flow and weft, a gap 64 being left between the inside edge of plate 62 and guiding member 40 to allow weft 5' to be pulled through in a straight path on insertion. In yet another embodiment, Fig. 24, pressurised air is supplied by a fan 87 mounted within the guiding member, air being driven through slots 86 in the side wall of member 40 to produce a helical flow in a single drum 27 (Fig. 22, not shown) or two coaxial drums 27i, 27j, Fig. 24, the fan supplying air to each of the drums. Weft is fed to the storage magazine 1 by frusto-conical rollers (7, 8) Fig. 1, (not shown), the feed speed being varied by traversing weft guide 1. Weft is measured by a cam operated clamp (3) positioned downstream of the storage magazine.
Patent GB-1508467-A (GB)
Title: Internal combustion engines
IPC: F02M1/04
Filed: 1975-09-03
Abstract: 1508467 Accelerator pumps HONDA GIKEN KOGYO K K 3 Sept 1975 [13 Sept 1974]  36322/75 Heading F1H An I.C. engine in which the or each cylinder has a main combustion chamber 20 and a pre-combustion chamber 24 connected by a flame passage 25 has a carburetter assembly comprising a main carburetter for supplying a first mixture to the main combustion chamber(s), an auxiliary carburetter for supplying a richer mixture to the precombustion chamber(s), an acceleration pump 31, a main acceleration nozzle 29 connected to the acceleration pump, an auxiliary acceleration nozzle 32 connected to the acceleration pump, a control valve 35 between the pump and nozzle 32 and control means 34 for opening valve 35 only when engine ambient temperature is low. Control means 34 comprises a wax-filled capsule 40 surrounding the stem 36 of valve 35 so that expansion of the wax due to increase in temperature closes valve 35 against the bias of spring 38. When the engine is to be started from cold in low-temperature conditions, the operator, by pumping the accelerator operates the accelerator pump spindle 51 and injects fuel directly into both main and auxiliary intake passages. In a first modification, the stem 36 of valve 35 is acted on by a cam which is turned when a manually operated control is moved to close choke valve 28. The first part of the movement closes the choke valve fully and further movement allows a biasing spring to open the throttle. In a second modification a manual choke control operates a cam which closes an electrical switch to energize a solenoid which opens the valve.
Patent GB-1130561-A (GB)
Title: Electrolytic drilling
Inventor: GODDARD JOHN
IPC: B23H9/14
Filed: 1964-09-04
Abstract: 1,130,561. Electrolytic drilling tools. ROLLS-ROYCE Ltd. Sept. 3, 1965 [Sept. 4, 1964], No. 36328/64. Heading C7B. In a method of electrolytic drilling in which a tool 10 of electrically conducting material is advanced into a workpiece 12 whilst causing an electrolyte to flow through the tool and through the hole being drilled, an electrical potential is applied between tool and workpiece with the workpiece as the anode, the tool being insulated from the workpiece except at a tip portion, and the tool at or near its extreme tip has an abutment face insulated from the cathodic part of the tool, which abutment face extends laterally outwardly further than the adjacent part of the extreme tip of the tool, a force is established urging the tip of the tool towards the side wall of the hole so that the abutment face engages with said side wall. The force may be established by means of a spring 17, by use of a resilient tool which does not naturally lie in a straight line Fig. 3 (not shown) or by providing a hole through the side of the tube near its tip so that electrolyte flowing out therefrom provides a force Fig.4 (not shown). The tool may be provided near its tip with two sleeves one within the other Fig. 5 (not shown) the outer sleeve able to rotate relative to the inner sleeve, and therefore able to roll round the wall of the hole.
Patent GB-1356276-A (GB)
Title: Electrical heating elements
IPC: B32B27/00
Filed: 1971-08-03
Abstract: 1356276 Electrically heatable laminate E I DU PONT DE NEMOURS & CO 3 Aug 1971 [3 Aug 1970 15 July 1971] 36449/71 Heading B5N [Also in Divisions B2 and H5]  A laminated structure useful for use as an electrical heating element comprises: (1) a layer of fluorocarbon elastomer having electrically conductive carbon dispersed therein, the layer having a specific resistivity of 0-1 to 10 ohm centimetres, (2) a film of an electrically insulating polymeric material adhered to layer (1), and (3) a conductor means in attached contact with layer (1) for electrically connecting the structure to an electrical power supply. In a preferred embodiment, the elastomer layer is sandwiched between two films. The structure may be made by superimposing the layer and film and pressing the resultant assembly at a pressure of at least 10 p.s.i. while the assembly is at a temperature in the range from 50 C. to the highest temperature which will not damage any component of the assembly until the elastomeric layer has the desired specific resistivity in the range 0À1 to 10 ohm centimetres and the desired adhesion to the insulating film, the conductor means being added either to the assembly prior to pressing or to the laminate after pressing. In a preferred embodiment, a solution or dispersion of the elastomer is applied, e.g. by roller-coating, spray-coating, extrusion, knife-coating or silk-screen printing to one or both of the insulating films to form all or part of the conductive elastomeric layer. The insu. lating film may be a polyester, e.g. polyethylene terephthalate, a polyimide, polyvinyl fluoride, polyethylene or polypropylene and may be attached to a fibrous sheet material, e.g. a fabric. The fluorocarbon elastomer may be a copolymer of vinylidene fluoride with hexafluoropropylene, chlorotrifluoroethylene, a mixture of hexafluoropropylene and tetrafluoroethylene, dichloro difluoroethylene, chlorofluoroethylene, a fluorinated vinyl ester, a perfluoroacrylic acid derivative or a fluorinated alkyl vinyl ether, a terpolymer of vinylidene fluoride, tetrafluoroethylene and perfluoroalkyl perfluorovinyl ether, or a copolymer of tetrafluoroethylene and a perfluoroalkyl perfluoror vinyl ether. The conductive carbon black is preferably acetylene black or a furnace black. The conductors may be of copper, brass or aluminium. The heating element shown in the drawing comprises insulating films 1 and 2 of polyethylene terephthalate sealed together at edge 4<SP>1</SP>, elastomeric layer 3, conductor means 5 of copper strip and heat reflective coating 6, e.g. of aluminium paint.
Patent GB-775389-A (GB)
Title: Improvements relating to a spindle for a yarn spinning or twisting machine
Inventor: REISSMULLER ERNST
IPC: D01H7/14
Filed: 1954-12-20
Abstract: 775,389. Spindle retaining means. SCHAFER, G., and SCHAFER, O. [trading as KUGELFISCHER G. SCHAFER & CO.]. Dec. 20, 1954, No. 36815/54. Class 120 (2). In a yarn spinning or twisting machine spindle of the kind comprising a removable upper part including a whorl and a lower part provided with a fixed bearing housing and means for retaining the upper part against inadvertent removal from the bearing housing, the retaining means consists of a projection or projections on the bearing housing or on a movable frame mounted on the bearing housing and a projection or projections on an extension of the whorl, the projection or projections on the one member being connectible with and disconnectible from those of the other member by relative movement, and the retaining means are protected against ingress of lint or fibrous material by the extension of the whorl or by a flange on the whorl. In the arrangement shown the bearing housing 1 has formed thereon a collar 3 having a recess 4 and the inside of a sleeve like extension 7 of the whorl 8 is formed with two projections 5 and 6 which are spaced apart axially and off-set 180 degrees in a circumferential direction. The width of the projections 5 and 6 is slightly less than that of the recess 4 so that to lift the upper portion of the spindle from the lower portion, first the projection 5 has to be passed through the recess 4 then the upper part rotated 180 degrees so as to enable the projection 6 to be passed through the recess 4. To re-install the upper part of the spindle the above procedure is reversed. In a second embodiment the projections are formed on the bearing housing and the whorl extension is provided with an inwardly projecting collar having a recess therein. In a third embodiment the whorl extension is provided with an outwardly projecting collar and the bearing housing is provided with a sliding frame member having a rim or flange which can be engaged over the said collar.
Patent GB-445131-A (GB)
Title: Improvements in or relating to bee-keepers' appliances
IPC: A01K59/02
Filed: 1934-12-27
Abstract: 445,131. Bee - keepers' appliances. McLEAN, G. F., Maggieknockater, Dufftown, Banffshire. Dec. 27, 1934, No. 37038. [Class 5 (ii)] An appliance for uncapping honey combs comprises a stand 1 adapted to support an uncapping tray 3 containing water heated by a stove 7 on a platform 6, a bucket 8, and a tray 5 for the uncapped frames. The tray 3 has a filter 14, a spiked bar 11 on which the frames to be uncapped may be rotated and has a sloping bottom 12 with inclined sides to lead the liquid wax and honey by a spout to the bucket. The bucket has a bung 16 for the withdrawal of the honey after the wax has solidified. The tray 3 has also a removable part 17 beneath which the uncapping knives may be kept hot either in the water or in a pan in the tray.
Patent GB-894119-A (GB)
Title: Pivalic acid derivative
Inventor: LEIGH THOMAS
Filed: 1959-11-02
Abstract: The invention comprises pivalhydroxamic acid and the preparation thereof by reacting hydroxylamine with either pivalic acid halide (Me3C.CO halogen) or pivalic acid anhydride. Specification 894,120 is referred to.
Patent GB-1128890-A (GB)
Title: Torque magnetometer
Inventor: PEARSON RONALD FERGUSON
IPC: G01N27/82
Filed: 1967-08-14
Abstract: 1,128,890. Torque magnetometers. MULLARD Ltd. Aug. 14, 1967. No.37171/67. Heading G1N. A torque magnetometer for determining anistrophy in crystaline samples comprises a pair of crossed coils 7, 8 carrying the sample and suspended in the field of a magnet 12. The coils are energized (i) with D.C. from a sine/ /cosine potentiometer 17 to position them in the field and (ii) with A. C. (supplied to the potentiometer from source 22) to induce a signal in surrounding solenoid 13 indicative of the actual position of the coil. In one embodiment the deflection #d. due to the sample, from the angle # set by the potentiometer and which the coils would occupy in the absence of the sample is determined directly from the A.C. signal induced in the surrounding solenoid. Alternatively a null system may be used in which the D.C. energizing signal to the potentiometer 17 is derived from the A. C. "deviation" signal to drive the coils back to reduce #d substantially to zero, and the drive voltage is measured at terminals 26.
Patent GB-871763-A (GB)
Title: Improvements in or relating to winding machines for winding textile yarns or threadsor synthetic filaments
Inventor: BRIERLEY EDGAR
IPC: B65H59/38
Filed: 1958-11-20
Abstract: 871,763. Winding yarns, tension control. LEESONA HOLT Ltd. Nov. 20, 1958, No. 37316/58. Class 120(2) In a textile winding machine each winding head includes a magnetic slipping clutch, the input side of which is driven from a variable speed gear for initially setting the input speed which is then maintained constant throughout the winding operation and the output side of which drives the spindle, an adjustable brake means operated by yarn tension being provided for automatically controlling the speed of the driven member of the clutch during winding, and a grooved cam being provided and driven by the winding spindle for oscillating a traversing yarn guide to lay the yarn in precise manner on the package. In the arrangement shown winding spindle 10 is driven from the electric motor 16 through a variable speed gear 18 and magnetic slipping clutch 20, the latter comprising a driving member 21 carrying a number of permanent magnets, and a driven member 22 comprising an eddy current ring 32 and keyed to the spindle 10. The brake consists of a band 35 embracing the ring 32 and controlled by compensator arm 45 under the action of the tension in yarn Y. In operation the speed of driving member 21 is set to give the required tension when the package 14 is full with the brake band only operating very lightly or not at all and the brake is then adjusted to give the same tension on an empty tube at the start of winding. The unit then maintains this tension substantially constant as the diameter of the package increases during winding.
Patent GB-1019999-A (GB)
Title: Improvements in or relating to fluid control valves
IPC: F16K31/68
Filed: 1964-09-14
Abstract: 1,019,999. Valves. DOLE VALVE CO. Sept. 14, 1964 [Oct. 9, 1963], No. 37496/64. Heading F2V. [Also in Divisions G3 and H2] A thermally actuated fluid flow control valve comprises a housing 11 having an inlet 42, an outlet 40, a seat member 43 and a rotary disc 47 connected, via a spring spider 46, to a spindle 28. Mounted on the other end of the spindle is a lever 29, one end of which carries a pin 30 which enters an elongated hole 52 (Fig. 2, not shown) in the cross-bar 25 of an H-member 24. The other end of the lever is U-shaped and carries two screws 32 which coact with a finger 36 depending from a rod 34 slidable in a housing 35 between two movable electrical contacts 23, 33. The H-member 24 is slidable in a frame 12 under the action of the plunger 26 of a thermal element 13. The thermal element carries an electrical heater 14 connected to a thermostatic switch 19 (Fig. 3, not shown). In operation, the valve is normally closed, but when the thermostatic switch closes, due to a temperature drop, the electrical heater is actuated to cause the plunger to move the H-member and thereby open the valve. This movement of the H-member also causes rod 34 to slide to the left to move contact 23 away from contact 21, thereby opening the heater circuit and allowing the H -member to move back under the influence of spring 27 as the thermal element cools. The other movable electrical contact 33, which coacts with stationary contact 31, may be in an auxiliary circuit controlling, e.g. a blower motor or a circulatory pump.
Patent GB-1056119-A (GB)
Title: Magnetic core matrix memory device
IPC: G11C11/04
Filed: 1964-09-14
Abstract: 1,056,119. Magnetic storage apparatus. TOKO KABUSHIKI KAISHA. Sept. 14, 1964 [Sept. 14, 1963], No. 37497/64. Heading H3B. A magnetic core matrix memory comprises a plurality of substrates 1 each being provided with a plurality of perforations 2 therethrough and having drive lines B printed around the perforations, and conductors coated with magnetic material inserted in the perforations. The basic memory device A, Fig. 1 (not shown), comprises a conductor having a coating or film of ferromagnetic material, a bit being stored at the intersection of the conductor and a drive line encircling a portion of the film. In accordance with the invention the drive lines B are arranged as printed circuits on one surface of the substrate 1 and may be as shown in Fig. 2 or as Figs. 4, 5 (not shown) in which one of the drive lines encircles a substantial portion of the periphery or two independent drive lines are formed around each periphery. If the drive lines of adjacent substrates are arranged perpendicular to each other interference between adjacent substrates is reduced. If drive lines are printed on both sides of each of the substrates magnetic shielding members are interposed between adjacent substrates. Short-circuiting line connections may be printed between drive lines of each substrate and adjacent memory lines A may also be so interconnected. The assembly may be encapsulated.
Patent GB-934428-A (GB)
IPC: C07C243/38
Filed: 1961-10-19
Abstract: The invention comprises b -acyl hydrazinonaphthalenes and the method of producing them by reacting a hydroxynaphthalene or an amino-naphthalene with a monoacyl hydrazine in a diluent and in the presence of a salt of sulphurous acid, preferably sodium hydrogen sulphite, preferably at a temperature between 90 and 120 DEG C.  The monoacyl hydrazines may be those of aliphatic, aromatic, cycloaliphatic, araliphatic or heterocyclic acids and may be substituted by halogen atoms, sulphonic acid amide groups, nitrile groups, alkoxy groups, or free or substituted hydroxyl or amino groups.  Specified compounds are 2-(b -benzoyl-hydrazino)-naphthalene, 2-(b -41-methoxybenzoyl-hydrazino)-naphthalene, 2-(b -benzoyl-hydrazino)-8-hydroxy-naphthalene-6-sulphonic acid, 2-(b -benzoyl-hydrazino)- 5-hydroxy-naphthalene-7-sulphonic acid, 1-(b -benzoyl-hydrazino)-5-hydroxy-naphthalene-7-sulphonic acid, 2-(b -41- methanesulphonylamino-benzoyl)- hydrazino) -naphthalene, 2-(b -salicoyl-hydrazino)-naphthalene.  Specified hydroxy or amino naphthalenes are 2-hydroxy-naphthalene-3-carboxylic acid; 2,7-dihydroxy-naphthalene; 2,3-dihydroxy-naphthalene; 1,5-dihydroxy-naphthalene; 2-hydroxy-7-amino-naphthalene; 2,7-diamino-naphthalene; 2,3-diamino-naphthalene; 2,8-dihydroxy-naphthalene-6-sulphonic acid; 2,5-dihydroxy-naphthalene-7-sulphonic acid; 1,5-dihydroxy-naphthalene-7-sulphonic acid; 2-amino-5-hydroxy-naphthalene-7-sulphonic acid; 2-amino-8-hydroxy-naphthalene-6-sulphonic acid and 1-amino-5-hydroxy-naphthalene-7-sulphonic acid.  Specified hydrazines are benzoic acid hydrazide; 4-chlorobenzoic acid hydrazide, 4-methoxybenzoic acid hydrazide, salicylic acid hydrazide, 4-hydroxybenzoic acid hydrazide, 2-aminobenzoic acid hydrazine, 3-aminobenzoic acid hydrazide, 4-aminobenzoic acid hydrazide, benzoic acid hydrazide-3-sulphonic acid amide, 2-hydroxyl-naphthalene-3-carboxylic acid hydrazide, 1-amino-anthraquinone-2-carboxylic acid hydrazide, furan-2-carboxylic acid hydrazide, pyridine-4-carboxylic acid hydrazide, pyridine-3-carboxylic acid hydrazide, terephthalic acid-bis-hydrazide, acetic acid hydrazide, propionic acid hydrazide, stearic acid hydrazide, cyanoacetic acid hydrazide, b -methoxy-propionic acid hydrazide, diethylamino-acetic acid hydrazide, 2,4-dichlorophenoxy acetic acid hydrazide, phenylacetic acid hydrazide, hexahydrobenzoic acid hydrazide, carbonic acid ethyl ester hydrazide, semicarbazide, carbohydrazide, thiosemicarbazide, oxalic acid-bis-hydrazide, benzoic acid-a -methyl hydrazide and benzoic acid-b -methyl hydrazide.  In an example 2-hydroxy-naphthalene-3-carboxylic acid is refluxed with aqueous sodium hydrogen sulphite solution and benzoic acid hydrazide, until the evolution of carbon dioxide is completed when 20% hydrochloric acid is added dropwise until the solution constantly has an acid reaction.  The precipitated reaction product is suction filtered, washed with water and dried to give 2-(b -benzoyl-hydrazino)-naphthalene.  By using anisic acid hydrazide instead of benzoic acid hydrazide 2-(b -41-methoxy benzoyl hydrazino)-naphthalene is obtained.