baber/WOPTO huggingface dataset:
Patent GB-487427-A (GB)
Title: Improvements in apparatus for detecting cracks or flaws in iron or steel parts
IPC: G01N27/84
Filed: 1937-01-29
Abstract: 487,427. Magnetic tests. EQUIPMENT & ENGINEERING CO., Ltd., and SWIFT, H. B. Jan. 29, 1937, No. 2596. [Class 37] In a magnetic crack detecting device, wherein the test piece is magnetized and a detecting medium, for example, a magnetic powder or suspension is applied thereto, the test piece is arranged to form a part, or the whole, of the short circuited secondary winding of a transformer. Fig.1 shows the transformer core A energized by a primary winding B, and a steel, iron or other similar test piece C clamped at E to a conducting frame D to form a single turn short circuited secondary winding. The frame D is mounted on rollers F so that every part of the test piece C may be moved within the core window G where it is subjected also to the core leakage flux, and any defect is more readily revealed. For testing iron rings such as ball-bearing races, a part of the transformer core, Fig. 2 (not shown), is pivotally arranged to permit positioning of the ring which is mounted so that it may be rotated to bring any part thereof within the core window. Helical springs M, Fig. 3, are tested by passing them over the core as shown and short circuiting the coil ends by cones O, and one or more links P. The movement of the pivotal yoke K to close the magnetic circuit may automatically switch on the primary current.
Patent GB-423277-A (GB)
Title: Process for the production of coatings on building elements
IPC: C04B26/22
Filed: 1934-01-25
Abstract: Cold glaze coatings, which are weather, acid, and alcohol proof, are produced on building elements such as walls and tiles, by first rendering the surface impermeable to moisture, and then applying a cold coating composition consisting of quartz, magnesite cement, a solution of magnesium chloride or magnesium sulphate, and a mixture of nitrocellulose, softening agents and solvents.  The preliminary moisture-proofing may be carried out by the application of a mixture containing a solution of calcium linolsulphonate or calcium linolensulphonate, chalk and a copal varnish having a wood oil base. Over the cold layer may be applied a composition consisting of nitrocellulose, glyptal resins, softening agents and solvents, while a final layer may then be applied, containing a strongly hardening acetylcellulose, with or without nitrocellulose.ALSO:Cold glaze coatings, which are weather, acid, and alcohol proof, are produced on building elements such as walls and tiles, by first rendering the surface impermeable to moisture, and then applying a cold coating composition consisting of quartz, magnesite cement, a solution of magnesium chloride or magnesium sulphate, and a mixture of nitrocellulose softening agents and solvents.  The preliminary moisture-proofing may be carried out by the application of a mixture containing a solution of calcium linolsulphonate or calcium linolensulphonate, chalk and a copal varnish having a wood oil base. Over the cold layer may be applied a composition consisting of nitrocellulose, glyptal resins, softening agents and solvents, while a final layer may then be applied, containing a strongly hardening acetylcellulose, with or without nitrocellulose.
Patent GB-981761-A (GB)
Title: Balloon limiter for thread twisting machines
IPC: F16B1/00
Filed: 1963-01-22
Abstract: In a balloon limiter adapted to surround a let-off bobbin e.g of a 2 for 1 twisting spindle the thread contacting portions thereof are of a low frictional coefficient plastics material belonging to the group of polymerized fluorinated hydrocarbons such as P.T.F.E. or polychlorotrifluoroethylene; a softening additive such as P.V.C., polyamide, polyurethane, polyurea, melamine and formaldehyde resings may be included.  The whole of the limiter may be of the plastics material or a layer of such material may be provided on the interior of a cylindrical base made up of sheet metal or layers of plastics materials, sodium cellulose paper soaked in phenolic resin sulphite cellulose paper soaked in carbamide resin, glass fibres and textiles.
Patent GB-547462-A (GB)
Title: Improvements relating to instruments for measuring the roughness of surfaces
IPC: G01B5/28
Filed: 1941-02-27
Abstract: 547,462. Surface gauges. TOMLINSON, G. A. Feb. 27, 1941, No. 2686. [Class 106 (ii)] The movements of a needle carried by a support which traverses the surface the roughness of which is to be gauged are imparted to a floating cylinder which bears against a rolling cylinder at right-angles thereto attached to which is a long arm carrying a recording point. The vertical needle A is attached to the underside of an aluminium frame B by a flexible steel strip C. The feeling end of the needle is ground off and lapped at about 30 degrees to the axis. In rollers D, E are pressed lightly into holes in the frame and between these and the needle A is located a horizontal roller F against which the needle is held by a spring G. The roller F has a long light arm H which carries a recording point J. The weight of the arm is supported at its centre of gravity by a fine spring K. The frame is in two parts B, L connected by a cross-strip hinge M. The needle is raised or lowered by turning an adjusting screw N. The weight of the pivoted part is taken by a curved and polished steel skid O with a central slot through which the feeling end of the needle passes. To lower the needle on to the surface the skid is flexed by a screw X. The movement along the surface is obtained by rotating the screw P. This slides the part L which is slung by parallel strips R S from a stationary part T. A strut V with pointed ends bears in centre pips on the part T and on an arm W which causes the grouped plate V to turn about its pivots in the frame. The strut may engage one of several pips in the arm to change the magnification. In a modification for exploring the surfaces of gear teeth, the feeler is kept short to enter the gap in the teeth and the skid is carried by a frame connected to the main frame by a spring strip and provided with a spindle on which the skid is mounted to permit a limited rocking movement.
Patent GB-563770-A (GB)
Title: Improvements in lifting blocks, colliery winding and rope haulage gear and the like
IPC: B66C7/00
Filed: 1943-02-18
Abstract: 563,770. Winches &c. CALVERLEY, J. R. Feb. 18, 1943, No. 2689. [Class 78 (v)] A lifting block, rope haulage gear, &c. has a winding drum 13 within which are contained a driving electric motor 17 and reduction gearing 22. The motor casing is fixed to an internal flange 17a on the drum, and the gearing casing to a similar flange 21. The drum shaft 15 bears in a journal 12 at one end of a carriage 10 riding by flanged wheels 11 on an overhead rail. The opposite end of the drum is carried by a similar shaft 24 forming part of the casing of the gearing 22 and bearing in a similar journal 12. The motor shaft 18 is coaxial with the drum shaft and with the input and output shafts of the gearing 22, the latter 25 of which is held rigid with the frame 10 by a locking bracket 26. A solenoid-operated brake 19 grips the motor shaft 18 and determines what proportion of the power output shall be transmitted to the drum.
Patent GB-719199-A (GB)
Title: Improvements in apparatus for the reaction of chlorine and hydrogen to form hydrogenchloride
IPC: C01B7/01
Filed: 1953-01-30
Abstract: <PICT:0719199/III/1> Hydrogen and chlorine are burnt at burner b in a reaction vessel comprising a double - walled cylinder a surrounded by a second double walled cylinder c, the hollow space in the walls of the cylinders being filled with a cooling medium, and the resulting hydrogen chloride is passed through the space d between the two cylinders and withdrawn through pipes e and e1.  The hydrogen chloride may be caused to pass by a protracted pass, for example by means of sheets in spiral form.  The reaction chamber may be surrounded by a plurality of concentric double-walled cooling cylinders, the hydrogen chloride passing either consecutively or in parallel through the spaces between the cylinders.
Patent GB-891883-A (GB)
Title: A stage-lighting installation
IPC: H05B37/02
Filed: 1960-01-25
Abstract: 891,883. Programmed control systems. SIEMENS-SCHUCKERTWERKE A.G. Jan. 25, 1960 [Jan. 24, 1959], No. 2732/60. Class 38 (6). In a stage lighting installation a film or card is sensed by a photo-cell array F1-F4 and F5-F8, Fig. 2, to control the brightness of lamp systems 12a, 12b respectively. Energization of a combination of photo-cells F1-F4 energizes the corresponding combination of relays Ia-IVa to operate switches 1a, 2a, 3a, 4a and to close one of ten tappings from a resistor 14. The two arms of this resistor together with the two arms of a potentiometer 16a form a four-arm bridge. Current passes along a diagonal of this bridge (from the tapping point to the wiper of potentiometer 16a) to operate a polarized relay 15a which closes a drive circuit for one of two motors 18a, 19a, according to the direction of current flow. The wiper of potentiometer 16a, mechanically coupled to a further wiper of a potentiometer 17a, is driven to balance the bridge, when relay 15a releases and the motors stop. Potentiometer 1 7a now supplies a potential, of magnitude determined by the input, to a device 13a which energizes the lamp 12a to an extent determined by this potential. A lever 20a allows hand operation. The lamp 1 2b is similarly controlled.
Patent GB-1440122-A (GB)
Title: Heat-recoverable connectors
IPC: H05K3/32
Filed: 1973-06-08
Abstract: 1440122 Heat-shrinkable connectors RAYCHEM CORP 8 June 1973 [1 March 1973] 02838/76 Divided out of 1440121 Heading H2E A connector has a conductive member 131 set in solder 132 within a heat-shrinkable tube 133. The tube may be of plastics or metal and the solder meltable at the same temperature as that for shrinking the tube. In an alternative embodiment (Fig. 2, not shown), the conductive member (137) is secured by a heat-recovered portion of the tube and solder rings (142, 143) are set about the member on either side of the recovered portion. The tube may be circular or square in cross-section and a plurality of tubes can be moulded in one rectangular parallelepiped. A spacer of heat-shrinkable tubing may be provided in the connector. The conductive member may be retained in place by adhesive, a clip or friction with the tube.
Patent GB-874492-A (GB)
Title: Improvements relating to wire ropes
Inventor: KALKOFFEN ERNEST HEINRICH
IPC: F16G11/02
Filed: 1958-01-28
Abstract: 874,492. Rope couplings and attachments. WESTFALISCHE UNION AKTIENGESELLSCHAFT FUR EISEN-UND DRAHTINDUSTRIE. Jan. 28, 1958, No. 2846/58. Drawings to Specification. Class 109. In a process for joining together two wire ropes or the end of a wire rope with another part of itself, a sleeve of deformable, age-hardening aluminium alloy is hot-pressed on to the combined ropes at a temperature above 400‹C. and within the homogenization temperature range of the alloy. The sleeve, which may be hotpressed so that the resulting joined ropes and the outer surface of the sleeve have a polygonal cross-section, may be made of an alloy which age-hardens at a high temperature so that further contraction of the sleeve occurs after the pressing and the pressure necessary to effect the join is reduced.
Patent GB-548346-A (GB)
Title: Improvements in high frequency electron discharge apparatus
IPC: H01J25/78
Filed: 1941-03-03
Abstract: 548,346. Electron discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd. March 3, 1941, No. 2861. Convention date, March 1, 1940. [Class 39 (i)] A stream of helically moving electrons passes first into a region in which tangentially acting cyclically varying potentials produce velocity modulation and grouping, and then into a region both axially and angularly displaced from the first region in which energy is extracted from the beam. In the form shown in Figs. 2 and 3 a beam A from the electron gun 18, 19, 20 is deflected both circumferentially and axially by deflecting plates 22, 23 and passes into a hollow metal shell 11 in which the helical motion is maintained by an axial magnetic field. The beam first passes near gaps 37, 38 formed between an aperture in the shell 11 and an inset plate 34 to which modulating potentials are applied. The electron transit time between gaps 37 and 38 is an odd number of half-cycles of the modulating frequency so that the gaps produce a cumulative velocity modulation of the beam, resulting in a cyclic variation of the radius of the electron orbit. It is shown that this produces a grouping of electrons in regions displaced 90 degrees from electrode 38, and a similar electrode 35 placed in such a region extracts useful energy from the beam. As shown, the beam may pass electrodes 34, 35 several times with a cumulative effect owing to the maintenance of the orbital period constant at an integral number of cycles by the magnetic field. Separate collector electrodes 15, 16 are provided. The envelope may be surrounded by a metal shield to which are bolted the outer conductors of two transmission lines, the inner conductors of which pass to the plates 34, 35. In the form shown in Fig. 9 diametrically opposite input and output electrodes 127, 128, 129, 130 are joined by U-shaped conductors 132, 133. In the form shown in Fig. 8, electrons from annular cathode 68 are concentrated by annular electrodes 69, 70 and deflected by plates 72, 73 into a cylindical sheet of electrons moving helically in an axial magnetic field. The sheet enters a re-entrant portion of the envelope and passes between concentric shells 75, 76 in which are inset modulating electrodes 80, 81 which are electrically connected and induce grouping in the electrons in the same manner as in Fig. 3. The shells 75, 76 are joined at the end by the collecting electrode 90, in which is inserted the output electrode 86. Specifications 518,015 and 542,182 are referred to.
Patent GB-283351-A (GB)
Title: Kinematograph film testing, re-winding and measuring apparatus
IPC: G03B21/32
Filed: 1927-02-01
Abstract: 283,351. Heide, H. C.. (Film Inspection Machine Co.). Feb. 1, 1927. Kinematograph apparatus,-A film-examining, measuring or re-winding machine comprises a particular structure to receive the reels, and a motor for drawing the film over a guide to be engaged by two pairs of feelers spring-urged against the film near the feed holes so that when a feeler advances owing to a tear in the film it closes a contact to break the motor circuit and apply brakes. Hollow uprights 19, Fig. 2, support upper and lower casings 23, 24 provided with hinged covers, and midway a rectangular box 115 having on its front a metal guide or shoe 117 arched at 120. A hinged frame containing a pair of rolls 138, 138<1> encompassed by endless belts is mounted on the box, the belts engaging the film in its passage over the arch. Within the box are two pairs of feelers 153, 154 the looped ends of which penetrate slots in the arch and are forced by springs 140 against the film at the positions shown dotted in Fig. 9. In the base 15 is an electric motor adapted to drive the lower reel of each pair by a belt 63, Fig. 11, and having a brake applied by a lever 187. The upper reel is mounted on a spindle 31, Fig. 4, to which is secured a pulley 35 engaged by spring-influenced brakes 39, 43 of which the second is controlled by a rod 49. The base 15 is extended at 18 to form a table 99 and within this extension is a spindle 177, Fig. 13, having an external handle 178 and also capable of being rocked automatically as follows. A pair of links 201, 202, Fig. 13, one anchored at 200 and the other attached to an arm adapted to rock the spindle 177 through pins 204, 205, may be raised at the joint by a lever 215 constituting the armature of an electromagnet 210. When a feeler advances, a blade spring on which it is mounted closes a contact at 148 to energize the magnet to rock the armature and therefore also the spindle 177. A mercury switch carried by the spindle is thereupon tilted to break the motor circuit and at the same time by means of arms 184, 185 and links 49, 186, the brakes are applied to the upper reel spindle and to the motor shaft. If it is desired to measure the length of film, this may be passed from the upper reel to the lower through an opening 112, Fig. 11, and around a belt-driven drum 79 engaged through the film by a roll 80 sprocket-chain geared with a counter.
Patent GB-347612-A (GB)
Title: Improvements in or relating to the manufacture of ceramic articles such as insulators
IPC: C04B41/52
Filed: 1930-01-28
Abstract: 347,612. Pottery manufacture. BULLERS, Ltd., 6, Laurence Pountney Hill, London, and HARRIS, J. E., Field Place, Stone, Staffordshire. Jan. 28, 1930, No. 2975. [Class 87 (i).] Treating surfaces.-A "sanded surface" is formed on a ceramic article such as an insulator in the biscuit state by temporarily sticking sand particles to the surface with an adhesive such as resin gum, dipping in glaze and finally firing so as to secure the sand particles to the surface by the glaze. The head of the insulator is preferably dipped into a bath of an adhesive such as gum tragacanth to a depth determined by the area of surface to be treated. The gum is then allowed to dry until " tacky," when sand or ground pitchers is applied, after which the whole is sprayed with glaze and fired at 1270‹ for about 48 hours.
Patent GB-1422046-A (GB)
Title: Pharmaceutical compositions
IPC: A61K31/135
Filed: 1973-01-19
Abstract: 1422046 Beta-adrenergic blocking preparations TEIKOKU HORMONE MFG CO Ltd 19 Jan 1973 2994/73 Heading A5B A beta-adrenergic blocking composition comprising (a) the compound: or a salt thereof and (b) a suitable carrier is advantageously made up in a form suitable for oral or rectal administration.
Patent GB-385767-A (GB)
Title: Improvements in glassware forming machines
IPC: C03B9/22
Filed: 1932-02-01
Abstract: 385,767. Glass manufacture. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Europaischer Verband der Flaschenfabriken Ges. ; 20, Breitestrasse, Dusseldorf, Germany.) Feb. 1, 1932, No. 3021. [Class 56.] In a glass-blowing machine with two mould tables, revolving in the same or opposite directions about vertical axes and carrying the blank moulds and finishing moulds respectively, and wherein the neck moulds serving to transfer the parisons from the blank to the finishing moulds are moved into the path of the latter and travel therein during the transfer, the neck moulds carrying the parisons are rocked at the transfer station away from the blank moulds and into the path of the finishing moulds by transfer arms, and are displaced along the transfer arms with the finishing moulds by mechanism connected with the latter. Each transfer mechanism comprises a transfer arm 60 supporting a neck mould 43 and adapted to swing about the axis of a rock shaft 61, which is oscillated by means of rack- and-pinion mechanism 62, 63 actuated by a cam roll 65 riding over a cam 41. The shaft 61 is keyed to a rotary sleeve 69, Fig. 3, connected through an arm 71 to the dip frame 45, so that vertical movement of the latter produces a corresponding movement of the neck mould. Each neck mould is mounted on a slide 75, free to move along the arm 60 and limited in its outer movement by an adjustable stop 78, so that the neck mould, during the gathering of a charge, may register with the blank mould 42 and, during the transfer operation, may register with the finishing mould 127 and travel in the arc of movement of the latter. A pair of arms 160, actuated by cam-and-slide mechanism 162..165, is carried by each finishing mould and is adapted to grip the neck mould and centre it during transfer. Immediately after a finishing mould is closed about the parison, the neck mould 43 is opened, through slide mechanism 82, by engagement of the cam roll 84 with a cam 86, Fig. 1. The arm 60 then returns, owing to the shaping of the cam 41, to its inner position in register with a parison mould 42. Air and vacuum passages extend along the arm 60 and are adapted at suitable times to be connected to passages 120, 105 for supplying air to the chamber 92<a>, causing projection of the plunger 89 into the neck mould, and for gathering charges by suction. Each mould 127 is connected through links 129 to a cam-operated slide 130, and a blow head 135, carried by a swinging arm 136, is arranged to be placed over the mould when transfer is completed.
Patent GB-571623-A (GB)
Title: Improvements in piezo-electric oscillators
IPC: H03H3/04
Filed: 1943-02-24
Abstract: 571,623. Piezo-electric crystals. GENERAL ELECTRIC CO., Ltd., and LEWER, S. K. Feb. 24, 1943, No. 3027. [Class 40 (v)] In a piezo-electric oscillator of the kind comprising a slab of crystal which when excited by a pair of electrodes on opposite faces oscillates so as to produce on said faces, a series of straight parallel nodal lines, at least one of the electrodes comprises a plurality of parallel ribs spaced apart by a distance equal to the distance between the nodal lines. Preferably both electrodes are so formed and are placed so that the ribs of both electrodes lie along nodal lines on both faces of the crystal. Then by moving the crystal in a direction perpendicular to the nodal lines a small change of frequency can be effected, the maximum change being when the movement equals half the distance between the nodal lines. An AT cut quartz crystal is described as a suitable example.
Patent GB-501944-A (GB)
Title: Improvements in or relating to shock absorbers for use in vehicle suspension devices
IPC: B60G13/04
Filed: 1938-02-01
Abstract: 501,944. Indiarubber springs. REHM, R. G. Feb. 1, 1938, No. 3083. Convention date, Aug. 11, 1937. [Class 108 (iii)] A shock-absorber incorporated in a vehicle suspension comprises a casing mounted on the chassis, a lever 6 articulated at one end to the suspension springs or axle and near its other end to the casing and rubber blocks 8, 8<1> interposed between the free end of the lever and the walls 4 of the casing, the block 8 cushioning the return movement of the lever being harder than the block 81. The casing comprises a bottom plate 1 to which the walls 4 are secured by bolts 5 and which is secured to the chassis by a bolt 6<1>, consti. tuting the pivot of the lever, and by a bolt 3 passing also through a projection on an end wall 2. The connections 2<1> between the walls 2, 4 may be released to allow the walls 4 to be swung outwardly about the bolts 5 for assembling the blocks. A plurality of shock-absorbers may be provided for each suspension spring.
Patent GB-573680-A (GB)
Title: Improvements in or relating to continuously adjustable choking coils
IPC: H01F29/12
Filed: 1944-02-19
Abstract: 573,680. Choking coils. AKT.-GES. BROWN, BOVERI, & CIE. Feb. 19, 1944, No. 3127. Convention date, Feb. 27, 1943. Addition to 573,679. [Class 38 (ii)] A continuously adjustable choking coil as described in the parent Specification is provided with an iron circuit-closing element 11 which is movable with the winding and which in the normal starting position partly fills the air gap between the core 1 and return path 3.