baber/WOPTO huggingface dataset:
Patent GB-538651-A (GB)
Title: Improvements in the production of artificial textile materials
IPC: D01F2/30
Filed: 1940-02-09
Abstract: 538,651. Artificial silk ; apparatus for fluidtreatment of yarns. DREYFUS, H., MONCRIEFF, R. W., and TAYLOR, W. I. Feb. 9, 1940, No. 2485. [Classes 2 (ii) and 15 (i)] Yarns of artificial materials, e.g. those produced from cellulose acetate dissolved in acetone, are collected on a support which enables a gaseous flow to be maintained through the support and the yarn, to remove a substantial quantity of the volatile solvent. A moisture-laden gas may be used so that the volatile solvent in the yarn is replaced by moisture. A suitable bobbin for the purpose is shown in Fig. 1 ; a frame 8 supports the bobbin 1 with rubber pads 2, 4 at its ends, clamped by an arm 3 operated by a cam lever 5. A nozzle 9 protrudes into the bore of the bobbin and is supplied with compressed air from the header 12 through the valve 11. This air passes through a radial hole 15 to the helical groove 14 in the barrel of the bobbin, so that it passes through the yarn to the atmosphere. As many holes and grooves are provided as are necessary to ensure that air passes through the whole mass of yarn to the atmosphere. A number of bobbins 1. are shown in Fig. 6, mounted on a header 12 supplied with moist air from a heater 22 which receives the air after it has passed through water in the vessel 20 and through the trap 21. The bobbins may be enclosed in a vessel 23 from which the solvent laden air may be forwarded to a recovery plant.
Patent GB-858447-A (GB)
Title: Improvements in sealing devices for rotary shafts
IPC: F16J15/38
Filed: 1959-01-23
Abstract: 858,447. Stuffing-box substitutes. SVENSKA ROTOR MASKINER A.B. Jan. 23, 1959 [Jan. 24, 1958], No. 2559/59. Class 122 (5). A seal between a rotary shaft 1 and a stationary casing 3 comprises a sealing element that co-operates with a radially-directed surface 9 on the shaft and is in sealing and threaded engagement with the casing. A holding sleeve 5 carries a sealing-ring 6 and has a threaded part 7 screwed into the casing 3 and packed by an 0-ring 12. A spring 10 having one end held in an axial bore 13 in the casing and the other held in a radial groove 14 in the sleeve 5 tends to rotate the sleeve in the direction to screw it out of the casing and thereby cause the ring 6 to press against the surface 9. Rotation of the sleeve 5, in the direction of rotation of the shaft, which may be caused by excess pressure between the ring 6 and surface 9, moves the ring 6 in a direction away from the surface 9. Annular grooves 8 are provided in the face of ring 6 abutting surface 9.
Patent GB-1197872-A (GB)
Title: Electromagnetic Indicator having Variable Position Stator
IPC: H02K37/00
Filed: 1969-01-16
Abstract: 1,197,872. Digital indicators. VEEDER INDUSTRIES Inc. 16 Jan., 1969 [16 Jan., 1968], No. 2579/69. Heading H2A. An indicator comprises a drum 3 bearing characters one of which is exposed through a window 2, the drum being positioned in one of ten positions relative to a solenoid assembly 8 by energization of one of the solenoids, the assembly 8 being mounted on a plate 9 which is connected to two more solenoids 20, 21 so as to be rocked by half a rotary step, the indicator thereby having 20 possible indications. The drum 3 is fixed to a permanent magnet 5 which aligns itself with the energized solenoid and remains in this position when the solenoid is is de-energized. The solenoids are connected by flexible wires 13 to allow the assembly 8 to rock with plate 9. A ball detent engages one of two grooves 18a, 18b in a member 18 on the housing to retain the plate 9 in one or the other position. The motion of the plate, when one of the solenoids 20, 21 is energized is arrested by a spring buffer 24, 25 which allows the arm 9A to travel 5 degrees beyond the detent position. One of the solenoids 20, 21 is always briefly energized when a new setting is to be made, the movement of the plate, either to the other position or beyond the detent position, by compression of the buffer, preventing the magnet being locked in a dead position when the new signals call for a rotation of 180 degrees.
Patent GB-1383434-A (GB)
Title: Moulding apparatus and method
IPC: B29C48/09
Filed: 1972-01-19
Abstract: 1383434 Controlling extrusion temperature distribution B F GOODRICH CO 19 Jan 1972 [20 Jan 1971] 2617/72 Heading B5A In a blow moulding process, thermoplastic material is downwardly extruded as a circular tubular parison from each of a pair of die heads 19, each supplied with heat plasticized material from separate circular section adaptor passages 39, 29, and 38, 30, which branch from a single circular section passage 28 connecting to an extrusion source. The symmetrical temperature and velocity profiles of material within the passage 28, e.g. as in Fig. 5, produces non- symmetrical profiles within each of the passages 29, 30, e.g. as in Fig. 7, for the passage 29, which are changed to a more symmetrical profile to avoid uneven thickness in the blown parison; by cooling of the mandrel 45 of each die and of the portion of the surface of each of the passages 29, 30 in the region of higher material temperature and velocity. The cooling is effected by compressed air which, to cool the surface portions of the passages 29, 30, is delivered along adaptor passages 33, 32, respectively parallel to the passages 29, 30, via an inlet 31 and outlets 34 to atmosphere. To cool each mandrel 45, the air from an inlet conduit 54 is delivered in the opposite direction to that of extrusion into a mandrel chamber 47, from which it exhausts at an outlet conduit 57, and also through a throttle 61 when functioning to blow the extruded parison. The conduits 54, 57 connected to the mandrel 45 through mandrel supports 53a and 53b, at which locations they are heat insulated by air filled spaces 64, or an insulating sleeve. Two blow mould pairs 20 are reciprocated by an actuating cylinder, for each die alternately to extrude into one of a pair.
Patent GB-249962-A (GB)
Title: Electric switches
IPC: H01H31/12
Filed: 1925-01-29
Abstract: 249,962. British Thomson-Houston Co., Ltd., and Trencham, H. Jan. 29, 1925. High-potential switches for overhead power lines have a pivoted switch arm detachably secured to one of a pair of insulated terminals and formed as a fusable element and its carrier. The power lines 14 are brought to fixed contacts 13 mounted on a platform 12 carried by the pole 11. The movable contact members 25 are secured at the ends of fuse carriers 21 held within terminal portions 15 carried by insulators 16. These insulators are carried by a cross-bar 17 pivoted at 18 to fixed brackets 19, the bar being rotated by an operating lever 36 the end of which remote from the downwardly-projecting handle is linked to the bar 18. The fixed and movable switch terminals 13, 15 are provided with arcing horns 27 the fuse being arranged on the upper side of the carrier 21 between the horns so that quenching of the arc on blowing of the fuse is thereby assisted. The platform 12 is covered with an insulating sheet 33 so that access to the fuse holders may only be obtained through apertures 34 when covers 35 for these apertures are moved aside by the opening of the switch. The fuse carriers are provided with a handle 26 and are fitted within the terminals 15 by a bayonet-slot device. Connections are taken from the terminals 15 to a transformer 29 by leads 31, 32 secured to the contacts 15 at points on the pivotal axis the portions 32 of these connections being bifurcated to allow the movable switch members to pass between them. Specification 227,350 is referred to.
Patent GB-546895-A (GB)
Title: Improvements in method of making elastic yarn
IPC: D02G3/32
Filed: 1941-07-30
Abstract: 546,895. Elastic yarns. UNITED STATES RUBBER CO. July 30, 1941, No. 2725/42. Convention date, Nov. 13, 1940. Divided out of 542,313. [Class 120 (iii)] A balanced single cover elastic yarn, i.e. one in which the cover is wrapped around the core in a single operation, is made by advancing a pre-twisted rubber thread and a covering yarn under independently controlled tensions to a meeting point so as to bring the twisted rubber thread and covering yarn into side by side longitudinal relation and then twisting them together by a yarn-plying operation in a direction to remove part of the twist previously imparted to the rubber thread and place the covering yam about the rubber thread so that as the thread assumes a central position, the yarn will lie helically about it and balance the twist thereof and hold it under longitudinal tension. As shown the pretwisted rubber thread 39 is supplied from a spool 40 driven by a roller 41 and passes to a pair of rollers 42 driven at a higher surface speed than the spool 40 so as to stretch the thread to the desired extent. The cover yarn 43 is drawn from a cone 44 by the rollers 42 and is tensioned by a device 45, the thread and cover yarn passing together from the rollers, through a pigtail 46 disposed in axial alignment with a spinning spindle 47 upon which the covered elastic yarn is wound.
Patent GB-1124617-A (GB)
Title: Resilient suspension for vehicles
IPC: B61F5/14
Filed: 1967-01-18
Abstract: 1,124,617. Railway vehicle undercarriages. BUDD CO. 18 Jan., 1967 [18 Jan., 1966], No. 2729/67. Heading B7L. A railway vehicle body having a lower frame 35, Fig. 2, is mounted on a bogie bolster 17 by a suspension apparatus comprising a main pneumatic, e.g. air, spring 33, the pressure of the air being variable in known manner to maintain the height of the body above the bolster within a predetermined range, and a supplementary coil spring means 53 capable of supporting the body at a height above the bolster within the predetermined range independently of the spring 33 (e.g. should the air spring deflate), an auxiliary air spring 73 being connected to the means 53 to normally place it under compression and out of supporting contact with the body. Both springs 33 and 73 are in communication with the hollow bolster serving as an air reservoir. The means 53 comprises coaxial coil springs 55, 56, 57 also coaxial with the springs 33, 73. The area of the bottom plate 71 of the spring 73 is greater than the top plate 44 of the spring 33.
Patent GB-577047-A (GB)
Title: Improvements in and relating to sutures
IPC: A61L17/00
Filed: 1944-02-14
Abstract: In order to inhibit growth of bacteria in sutures and suture tracts, sulphonamides are incorporated in suture material by treating the latter with a free sulphonamide, poorly suluble in water, either dissolved in an organic solvent, or dispersed in an undissolved state in a liquid or semi-solid vehicle.  Methods which may be employed are as follows: (1) Sutures are immersed in a tubing fluid containing the sulphonamide in solution; examples of tubing fluids are ethyl alcohol, propylene glycol, dipropylene glycol, diethylene glycol, tetraethylene glycol, hexaethylene glycol, nonaethylene glycol, glycerine, and a mixture of propylene glycol and Carbowax 1500 (a polyethlene glycol).  Mixtures of glycols, glycerine, and alcohols may also be used.  (2) Sutures are treated prior to tubing by immersion in a solution of the sulphonamide in an organic solvent, e.g., acetone, evaporating the solvent and tubing in a boilable tubing fluid, such as xylol, in which the sulphonamide is substantially insoluble.  (3) The fibres or filaments of the material are treated with the sulphonamide during manufacture of the suture, for example, by passing them through, or immersing them in, a dispersion or emulsion of the sulphonamide.  (4) The suture is drawn through a material in paste or wax form, e.g., a semi-solid glycol, containing the sulphonamide, prior to tubing, or is embedded in the paste or wax in the tube.  (5) The suture or the strands thereof are coated with the sulphonamide dispersed in a mucilage or other adhesive such as tragacanth or acacia gums, glue, casein, collagen, or methyl or ethyl cellulose.  Sulphanilamide sulphathiazole, sulphapyridine, sulphaguanidine, and sulphadiazine are mentioned as suitable sulphonamides which may be used either singly or mixed together.  Sutures of catgut, cotton, silk, nylon, saran, Vinyon (Registered Trade Mark) may be treated.  Specifications 560,676 and 564,292 are referred to.
Patent GB-138364-A (GB)
Title: Improvements in locks and keys
IPC: E05B35/00
Filed: 1920-01-29
Abstract: 138,364. Sellstone, C. I. Jan. 29, 1919, [Convention date]. L o c k s , revolving- b a r r e l ; master-key mechanism.-A lock or safety latch operable by a specific key or by a master key applicable to a series of such locks, and comprising a sliding bolt 3 actuated by a rotary lug 4 adapted to engage a notch 8 in the bolt and to lift a pivoted sprir g-controlled tumbler 11 normally locking the bolt, is constructed with one or more rotatable elements actuated by a key to position them with relation to a second element so that relative movement between the rotatable elements and the second elemnt can then be effected by rotation of the key to rotate the lug member and slide the bolt. The lock casing 1 is let into a recess in the door and fitted with two alined rotary sleeves 6, 7 each having a lug 4, 5 respectively adapted to engage the notch 8 of the tumbler 11. The sleeve 7 has a cross-bar 31 and can be rotated by a slotted key from the inside of the door to slide the bolt. The sleeve 6 has a cross-bar 30 engaged by the slotted shank 25 extending from a rotatable frame comprising end plates 26, 27 and connecting webs and mounted in a plate 18 fixed to the lock casing and in a cover plate 19 secure by connecting webs to the plate 18. The rotatable frame supports spring-controlled spindles 34, 35 carrying irregularly toothed and notched disks 32, 33 extending into notches in a cylinder 22 projecting from the fixed plate 18, whereby the frame is held against rotation. A bush 44 provided with a keyway 45 is mounted in the cover 19, and the insertion of a toothed key 43, Fig. 4, therein rotates the disks 32, 33 to aline their notches 41, 42 with the cylinder 22, whereupon the key can be rotated to rotate the frame and the sleeve 6 to slide the bolt. In a modification, only one toothed disk, or more than two, may be employed and the key may be of polygonal, cruciform, or other section with teeth on one or more of the faces, edges, or sides. Also, instead of mounting the disks in a rotary frame, the cylinder member may be mounted for rotation by the key when the disk notch is alined therewith. In a series of such locks each operated by a specific key, the formation of the teeth on the corresponding disks are the same throughout, and the variations are obtained by forming the specific keys with the teeth thereon bodily displaced longitudinally of the key to different extents and the notch in the disk or disks suitably positioned for the corresponding key to aline it. The master key for the series has teeth formed similarly to the specific keys, and the disks in each lock of a series has an additional notch so positioned that the insertion of the master key alines it with the cylindrical members.
Patent GB-1166482-A (GB)
Title: Headlamp Adjusting Device
Inventor: YOUNG DONALD ALLAN
IPC: B60Q1/105
Filed: 1966-01-21
Abstract: 1,166,482. Adjusting vehicle headlamps. JOSEPH LUCAS (INDUSTRIES) Ltd. 9 Dec., 1966 [21 Jan., 1966], No. 2818/66. Heading F4R. A device for adjusting the headlamps of a vehicle in accordance with the load carried by the vehicle includes means for preventing adjustment while the vehicle is in motion with the engine running and the doors and boot lid shut so that the headlamps are not affected by uneven road surfaces. The preferred embodiment comprises a body 11 secured to the sprung part of the vehicle and defining an hydraulic reservoir 12 connected through a pipe (not shown) to the headlamp tilting mechanism, and a cylinder 13 connected by a pipe 14 to the suction created by the vehicle engine and secured to a piston-rod 15 carrying a piston 16 movable in the reservoir 12. A spring-loaded piston 17 in the cylinder 13 has a piston-rod 18 the right-hand end of which is adapted to abut the end of a rod 22 mounted on the vehicle axle 23. As the vehicle is loaded the body 11 moves downwards towards the axle and the rod 18, together with the cylinder 13 and piston 16, is forced upwardly relative to the body by the rod 22 against the action of a spring 21. This movement of the piston 16 forces fluid out of the reservoir 12 to tilt the headlamps. When the engine is started the piston 17 moves to the left and the piston-rod 18 slides clear of the rod 22 and engages a ratchet 25 on the wall of the body 11, so that subsequent movement of the rod 22 due to jolting of the vehicle does not affect the headlamps. When the engine stops the suction is released and the piston-rod 18 re-engages the rod 22. A solenoid 26 removes the suction from the cylinder 13 if any of the doors or the boot lid of the vehicle are opened.
Patent GB-507092-A (GB)
Title: Improvements in apparatus for the controlled supply of liquids
IPC: D06F39/02
Filed: 1938-01-29
Abstract: 507,092. Pinch - cocks. AUTOMATIC CONTROLS, Ltd., and CURRIE; J. A. Jan. 29, 1938, No. 2890. [Class 135] A pinch-cock device particularly adapted for controlling the supply of chemicals in relatively small quantities at intervals during the working of a plant comprises an open-sided box-like body h mounted below the supply container a and having a rib i formed on one end to form an abutment for the tube d made of rubber, leather or canvas impregnated with resinous compound. A pinch-plate t with a rib is mounted on the other side of the tube and is connected'by rods s, guided in lugs on the body, to a cross-head r secured to an operating rod q. The movement of the plate t is limited by nuts v adjustably mounted on the rods s engaging,the guide lugs on the casing. The box-like body is supported by an integral arm g secured by a split clamp f to a spigot c on the bottom of the container, a reduced part of this spigot being adapted to receive one end of the rubber tube. In the form shown the rod q which has a stop shoulder q<1> is actuated by a power piston p supplied with fluid pressure from a cyclic controller connected to the pipe o. The power piston may be replaced by an electromagnetic device. Specification 264,396, [Class 135], is referred to.
Patent GB-634184-A (GB)
Title: Improvements in methods of and apparatus for use in the building of concrete and other walls
IPC: E04G17/14
Filed: 1947-01-31
Abstract: 634,184. Casting concrete walls. O'SULLIVAN, E. Jan. 31, 1947, No. 3058. [Class 20 (ii)] A concrete &c. wall is formed in successive sections utilizing one or more moulds each comprising a pair of side plates connected together and an end plate, by erecting at least one upright guide member above the base on which the wall is to be built, positioning a mould on the base with part of the mould in contact with the guide member which thus assists in the correct positioning of the mould to form the first section of the wall, positioning the or one of the moulds in successive positions along the wall to form further sections of the first course thereof and subsequently forming in further successive sections one or more upper courses of the wall utilizing the mould or moulds which is or are supported on the previous course and the positioning of which for forming at least one further section of wall'is assisted by engagement between the 'mould and the guide member. The mould of Specification 594,897 is particularly suitable. The guide member 1 (of L section) may consist of several interengagable superposed members the lowest one of which has welded to it a foot plate 3 for engagement with a shoe 11 pinned to the foundation. The rear part of the plate 3 is also pinned to the foundation after the fore-part has been positioned in the shoe. An extension 7 has studs 6 carried on a connecting part 8 of smaller section than the main part of the extension. These studs engage slots 5 when the extension is in position. In a modification the guide member is of T section, the shoe 11  having a slot to receive the web of the T and the connecting part consisting of two flat members 50, Fig. 11, disposed on either side of the web of the T. The member may be either of simple T section or may be made of bent strip steel rolled over at its edges 47 to provide channels for the reception of flat connecting members 50 as shown in the figure. An angle-section guide member, resembling that of Fig. 2, may be made from strip steel folded over at its edges in the manner of Fig. 11. Guide lines may be stretched between the vertical guide members.
Patent GB-1132190-A (GB)
Title: Improvements in or relating to audio visual reproducing apparatus
IPC: G11B15/44
Filed: 1964-10-28
Abstract: 1,132,190. Tape recorders. PLESSEY-UK Ltd. 22 Oct., 1965 [28 Oct., 1964], No. 3092/68. Divided out of 1,131,222. Heading G5R. An electromagnetic selecting mechanism suitable for actuating the forward and reverse tape feeding controls of a tape recorder comprises a link 23 which may be pulled to the left by a solenoid 24 or to the right by a solenoid 25, a latch 27 being mounted in light spring contact with a projection 28 on link 23 to hold the link in either one of these actuated positions, the latch 27 being releasable by a solenoid 26 to permit link 23 to be returned to a neutral position by biasing means such as compression springs. A pivot-pin 29 is mounted on link 23 so that movements of the link are transmitted to an external device such as a rocking plate which carries forward and reverse tape drive capstans.
Patent GB-1057072-A (GB)
Title: Magnetic hysteresis clutches
Inventor: GAFANOVICH DAVID SAMUILOVICH
IPC: H02K49/06
Filed: 1964-01-24
Abstract: 1,057,072. Magnetic couplings. NAUCHNOISSLEDOVATELJSKY INSTITUTE TEPLOENERGETICHESKOGO PRIBOROSTROENIJA. Jan. 24, 1964, No. 3123/64. Heading H2A. Hysteretic material in a magnetic coupling is arranged in circumferentially disposed strips 4 moulded or pressed into a non-magnetic carrier 3, the strips haying been made by rolling in their longitudinal direction. The carrier 3 may be of plastic, the other clutch member carries permanent magnets 5 sealed in a plastic housing 11, and the clutch members are separated by a gaptube 10.