baber/WOPTO huggingface dataset:
Patent GB-100359-A (GB)
Title: Improvements in Talking Machines.
Inventor: JOHNSON ELDRIDGE REEVES
IPC: G10K13/00
Filed: 1916-04-10
Abstract: 100,359. Johnson, E. R., and English, J. C. April 23, 1915, [Convention date]. Cases. - A phonograph cabinet is formed in two readily-separable parts, one containing the motor, turntable, tone-arm, part of the sound tube, and a large space for storing records, and the other containing the remainder of the sound tube and the amplifier. The main cabinet, shown in vertical section in Fig. 1 and in plan in Fig. 2, has a wide vertical rear wall 8, side doors 12, 13, and narrow front doors 9, 10 opening into record-storing spaces divided by shelves. The turntable and motor are carried by a 'board 26 let into a recess in the top 6 of the cabinet, and the tone-arm 48 communicates with a sound tube 65 which passes downwards between the record-storing spaces to a flanged opening 70 in the rear wall 8. The auxiliary cabinet is of rectangular form with a pair of vertical doors 95, and contains the remaining section 100 of the sound tube, and the amplifier 135. The sound tube 100 has a flanged opening 110, which registers with the opening 70 when the cabinets are in position for playing, the two flanges being attached to each other by screws 120. The adjacent walls 8, 90 of the cabinets are also secured by bolts 170 and fly-nuts 172, and a ledge on the wall 90 overhangs the top 6 of the main cabinet. The around tube 65, 100 and the amplifier 135 are of substantially rectangular section, and the amplifier is divided by partitions 138 of wood or other resonant material. Each cabinet is closed by a lid, that over the amplifier having a resonant deflector 153.
Patent GB-477241-A (GB)
Title: Improvements in hull contour for power-driven boats
IPC: B63B3/00
Filed: 1937-02-23
Abstract: 477,241. Sterns. KEAY, P. Feb. 23, 1937, No. 6372. [Class 113 (ii)] In order to counteract the downward drag exercised on the stern of power driven canal boats by the action of the propeller, an overhanging counter 6 is provided with a flat underside beneath which the propeller 4 is disposed. The flat bottom is bounded by vertical sides 9a which converge at the stern and the stern tube for the propeller 4 is passed through the apex. The flat underside of the counter is continued forward in wings 9 which vanish at the full beam of the craft. The stern portion is constructed to serve as a buoyant compartment.
Patent GB-1219428-A (GB)
Title: Installation for the cutting of steel strip into plates
Inventor: PSHENICHNY GENNADY IVANOVICH
IPC: B21D43/18
Filed: 1968-02-02
Abstract: 1,219,428. Metal strip feeds. G. I. PSHENICHNY, Y. Z. CHECHELJUK, M.A. AFANASIEV, and N. N. KHMARA. 2 Feb., 1968, No. 5380/68. Heading B3W. A shearing line for transverse cutting of plates from steel strip includes means (7) for feeding strip to a plate-cutting mechanism (9) (Fig. 1, not shown) through a strip-tensioning mechanism (5) which includes an electromagnet 12 adapted to grip the strip and means 14 for effecting reciprocating motion of the electromagnet along the path of the strip. The electromagnet is mounted on a carriage 13 and, to enable it to grip corrugated strip and to reduce the force it needs to exert, the electromagnet co-operates with a bar 19 carried by spring- loaded pins on a frame 17 also mounted on the carriage 13. In use, steel strip unwound from a reel device (1), (2) is fed by hand through the inoperative tensioning mechanism (5) to the nearer of two feed carriages (20) and drives (3) and (7) for the reel device and the carriage respectively are energized. When the carriage reaches stop (8) adjacent the plate cutting mechanism (9), the other carriage having meanwhile returned to the stop (8) adjacent the tensioning mechanism, the drive (7) is de-energized, the electromagnet and a fluid-operated piston and cylinder 14 are energized to grip the strip and tension it against clamps associated with the plate-cutting mechanism and a plate is cut off. The electromagnet and piston and cylinder arrangement are then de-energized and a device (10) is actuated to transfer the plate to a device (11) for removing plates from the line. The drive (3) of the reel device is operative until a loop of strip in the pit (22) presses a limit switch (4).
Patent GB-966603-A (GB)
Title: Improvements in or relating to loudspeaker diaphragms and methods for the manufacture thereof
IPC: H04R7/12
Filed: 1961-02-14
Abstract: A method of making a loudspeaker diaphragm comprises the steps of impregnating a textile fabric with a stiffening agent forming the fabric to the required shape and then coating it with a thermosetting softening-agent-free lacquer.  In one example the lacquer was made by preparing a 35% by weight solution in a mixture of methyl glycol acetate, toluene and ethyl acetate of the following mixture: 7 parts by weight of an ethoxyline resin and 3 parts by weight of an urea formaldehyde resin.  In another example the lacquer was made by dissolving 10 parts by weight of polyvinylformal and 4 parts by weight of a cresolformaldehyde novolak in 86 parts by weight of xylene cresol 1:1. Specification 709,397 is referred to.ALSO:In a loudspeaker diaphragm (see Division H4) made of textile material both the sound radiating part and the peripheral supporting edge are impregnated with a thermosetting resin and after the resin has been set, the sound radiating part only is further coated with a synthetic thermosetting lacquer.  A textile material, e.g. cotton, nylon, polyester fibre &c., having equal warp and weft is impregnated with a thermosetting resin, e.g. phenol-formaldehyde novolak and hexamethylene tetramine in an ethanol-water mixture.  When the fabric is dry it is transferred to a mould where it is heated under pressure for a short time, i.e. 10 seconds, so as to produce for example a non-deformable conical diaphragm.  The periphery of this diaphragm may be grooved and may be further impregnated with a plastic substance.  In order to make the sound radiating part of the diaphragm impervious to air and resistant to insects, it is coated, by immersing, spraying or brushing with a lacquer and is then heated at about 200  DEG C. for 2-15 minutes.  The lacquer should be of the type used for coating wires and examples are given, i.e. ethoxyline and urea formaldehyde resins in a solution of methyl glycol acetate, toluene and ethyl acetate, or by dissolving ten parts by weight of polyvinylformal and four parts by weight of a cresolformaldehyde novolak in 86 parts by weight of xylene cresol 1 : 1. Specification 709,397 is referred to.
Patent GB-642196-A (GB)
Title: Improvements in or relating to shoes or methods of making the same
IPC: A43B9/06
Filed: 1948-02-25
Abstract: 642,196. Boots and shoes. BRITISH UNITED SHOE MACHINERY CO., Ltd. Feb. 25, 1948, No. 5561. Convention date, April 10 1942. Drawings to Specification. [Class 17(ii)] This Specification describes identical subject-matter to that described in Specification 596.481. Specification 376,194, [Group XXXII] also is referred to.
Patent GB-635392-A (GB)
Title: Improvements in or relating to tobacco pipes or cigar or cigarette holders
IPC: A24F1/00
Filed: 1948-02-25
Abstract: 635,392. Tobacco pipes &c. DOPPELT, M. J. Feb. 25, 1948, No. 5612. [Class 130] To admit air to mix with the smoke, porous paper 21 surrounds a perforated tube 15 which is fitted to the mouthpiece and the bowl of a tobacco pipe, or a cigar and cigarette holder by extensions 19, 18 which may be integral therewith or brazed thereto. The paper is secured by glue or cement.
Patent GB-707492-A (GB)
Title: Improvements in telephone subscribers' substation circuits
IPC: H04M1/76
Filed: 1952-03-04
Abstract: 707,492. Substation circuits. GENERAL ELECTRIC CO., Ltd., and JONES, A.F. Feb. 3, 1953 [March 4, 1952], No. 5664/52. Class 40 (4)  In a substation circuit comprising a microphone M, a receiver E, and a multi-winding transformer N1, ... , N4, a current-sensitive impedance device TH is connected across the microphone and part or whole of one of the transformer windings, the impedance of the device being controlled by the direct line burrent so as to compensate for variations in line resistance. The device TH may bean indirectly heated thermistor whose resistance varies inversely with the current passing through its heater winding R2, Fig. 1, which is connected in series with the line. Alternatively a directly heated thermistor may be used, the winding R2 and capacitor C2 being dispensed with and the thermistor being protected from damage due to an excessive potential rise by a shunting non-linear resistance R5. A circuit suitable for use with an electromagnetic receiver requiring d.c. polarization is shown in Fig. 2. In place of a thermistor some other form of current-sensitive impedance device, such as a rectifier network, may be used. The invention is applied to an anti-side-tone substation circuit of the type described in Specification 340,693.
Patent GB-692083-A (GB)
Title: Sedimentation pipettes
IPC: G01N15/04
Filed: 1949-03-02
Abstract: <PICT:0692083/III/1> <PICT:0692083/III/2> A sedimentation pipette of the type wherein measured quantities of liquid containing solids in suspension are withdrawn at intervals in order to determine the size-frequency distribution, shape factor and specific surface of the suspended particles comprises a sedimentation vessel through the base of which passes a capillary tube, the lower end of the latter protruding below the base of the vessel, the upper end being of conical shape and being adjustably situated in the interior of the vessel whereby sample drops of the suspension at this level may be obtained for analysis.  The vessels, which may have double walls filled with a constant temperature circulating fluid, or evacuated, may be used individually or as a battery as in Fig. 6, the tips e of the tubes 6 being at the same or different depths below the surface, and filled from a common reservoir; alternatively a number of vessels of different height as in Fig. 7 may be used, the level of the liquid being determined by the height of the partitions u, or in the case of vessel a7c by means of stopcocks tb, tc.  A small tube xv may be provided in this case to facilitate reading of the scale. Specification 692,082, [Group XX], is referred to.
Patent GB-1457574-A (GB)
Title: Clamp for holding workpieces
IPC: B25B5/10
Filed: 1974-02-07
Abstract: 1457574 Clamps UTILIS MULLHEIM AG 7 Feb 1974 [8 Feb 1973] 05752/74 Heading B3B A clamp for setting a workpiece on a platen comprises a plurality of stack elements 2, 4, 4<SP>1</SP>, 4<SP>11</SP>, 3 each having an opening extending therethrough located in alignment with corresponding openings in the other stack elements, a tension rod 7 extending axially through said aligned openings in the stacked elements and including a lower end 8 to be secured in slots in the platen or to the bottom stack element 2, an upper end 10 extending above said stack of elements, and a clamping element 13 mounted on said upper end 10 for engaging and holding the workpiece on the platen, wherein said tension rod 7 comprises a plurality of rod segments 14, 14<SP>1</SP>, 14<SP>11</SP> provided with connecting means for joining said segments in end-to-end relationship by laterally sliding a segment relative to its adjacent one. Each stack element 4, 4<SP>1</SP>, 4<SP>11</SP> carries its own rod segment 14, 14<SP>1</SP>, 14<SP>11</SP> by means of a pin and slot connection 30, 31. The rod segments are provided with end formations which allow lateral sliding engagement (Figs. 2-6, not shown). The lower end 8 may engage a shouldered bore 6 in the bottom element 2, which is clamped to the platen by use of bores 5, 5<SP>1</SP>. Slots 24 and pin and slots 16, 17 between the adjacent stack elements allow lateral sliding to engage the rod segments. The clamping element 13 is slotted to receive the threaded upper end 10 of the tension rod and also an adjustable pressure bolt 20, and includes an angled end 23. A step (25) (Fig. 7, not shown) may be provided in the angled end 23 to allow it to be inverted and bear on a workpiece (26) to reduce the overall height of the clamp.
Patent GB-543731-A (GB)
Title: Improvements in or relating to suction cleaners
IPC: A47L9/14
Filed: 1941-05-05
Abstract: 543,731. Vacuum cleaner dust bags. HOOVER, Ltd. May 5, 1941, No. 5808. Convention date, May 16, 1940. [Class 8 (ii)] The mouth of a suction cleaner dust bag is provided with a valve which is mechanically opened when the bag is attached to the cleaner and closed when removed therefrom for cleaning. Fig. 3 shows the valve 25 at the inner end of a muffler 22 provided in the mouth of the bag. A torsion spring 27 tends to hold the valve open, and this tendency is opposed and overcome when the bag is removed by a cord 28 attaching the valve to a rod 31 forced outwards by a stronger spring ; the rod is pushed in on contact of a ring 18 of the bag with the outlet flange 19 of the cleaner exhaust passage. In a modification, the flange 19 carries a rigid finger which presses against a spring-pressed valve pivoted on the ring 18.
Patent GB-1423326-A (GB)
Title: Combine harvesters
IPC: A01F12/44
Filed: 1974-02-08
Abstract: 1423326 Chaffer sieve for combine harvesters INTERNATIONAL HARVESTER CO 8 Feb 1974 [8 Feb 1973] 05964/74 Heading A1F A chaffer sieve 56 is pivotally secured via two hinges 74 to the rear of the grain pan 44 of a combine harvester. Each hinge comprises a nut and bolt assembly 80, 88 connected between the horizontal ridge 72 of a main frame 46, integral with the grain pan, and a sub frame 70 which comprises L section channels 91- on which the sieve is slidably supported. To allow pivotal movement each horizontal ridge 72 abuts the inner vertical face of the corresponding L section, the weight of the latter being partially supported by washers 90. The shaft of each bolt 80 is embraced by a sleeve 87 which passes through the aperture in the horizontal face of the corresponding L section and abuts washer 90. The rear of subframe 70 is held in engagement with frame 46 by nut and bolt assemblies 98, 100 while sleeves 92 which embrace the shafts of bolts 98 connect between the horizontal ridge 72 and the horizontal face 86 of the L sections. To remove the sieve, nuts 100 are unscrewed and the subframe 70 allowed to pivot downwardly until it abuts support members 108, 106, nut and bolt assemblies 118 which secure the sieve to the L sections are then removed and the sieve may be slid out from between the L sections.
Patent GB-588902-A (GB)
Title: Improvements in or relating to a method of and means for coupling together pipes, tubular bodies and the like
Inventor: ROBERT LAMONT BOYD NEIL
IPC: F16L19/10
Filed: 1945-03-09
Abstract: 588,902. Tube couplings. LAMONT, B. N. R. March 9, 1945, No. 5981. [Class 99 (i)] A coupling of the type in which a ferrule is compressed radially inwards by the axial movement of gland nuts has a nut 1, Fig. 3, engaging a threaded body 2 in which are contained the ferrules 3 and 4, which are free to rotate and move axially due to the rims 13 and 16 being easy fits in the annular recesses 11 and 19 and are supplied with undercuts at their ends which form the lips 9 and' 15 which are forced into penetrating engagement with the tubes 5 and 6 respectively when the coupling is tightened. The undercut in the ferrule is of a substantially V-shaped ,form and the annular recess so formed may be filled with a soft metal which is forced from the said recess during tightening to fill up any irregularities in the surface of the tubes and so make a fluid tight joint. The end of the ferrule remote from the undercut is provided with an inwardly projecting flange on which the tube ends seat. These abutment faces may be right angular, as shown in Fig. 3, or be conical so that tubes of smaller diameter are automatically centralized when urged into contact with these faces. The ferrule 3 has annular teeth on the outside of this flange which engage and make a fluid tight joint with the corresponding flat face of the ferrule 4. The ferrule may be made of a non-resilient material so that the lip stays engaged in the tube when the nut is undone or may be made of a resilient material which permits the ferrule to return to its original form and be removed from the tube when the joint is broken. The diameter of the internal ridge of the recess 11 in the nut 1 is slightly less than that of the outside diameter of the rim 13 so that the said rim is trapped in the recess after forcing the rim through the reduced entrance. In a modification, Fig. 13, in which a tube of soft metal 43 is to be joined to the screwed tube end or boss 42 the ferrule 38 has a liner 39 of a hard material attached to it at 44 so that the tube 43 will not buckle under the radial pressure from the lip 40. In a modified form, Fig. 11, for connecting tubes 29 and 30 of different diameters, the ferrule has an end flange 36 with a tube abutment face 35 and annular teeth 37 for engaging the end surface of the tube 29 in a fluid tight manner.
Patent GB-805025-A (GB)
Title: Improvements in the extraction of vanadium
IPC: C01G31/00
Filed: 1957-02-22
Abstract: Vanadium values are recovered from aqueous solutions containing tetravalent vanadium by adjusting the pH to 0.5 to 3.5 and mixing the resulting acid solution with a dialkyl phosphate dissolved or dispersed in a water-immiscible organic liquid diluent, separating the aqueous phase and recovering the vanadium values from the organic phase.  The initial solutions generally result from acidic leaching of vanadiferous ores with the vanadium in the petavalent state.  Such solutions are reduced, for example with sulphur dioxide, and it is desirable to reduce any ferric iron present to the ferrous state prior to extraction.  The dialkyl phosphates employed preferably have an alkyl chain length of 6 to 15 carbon atoms and the inert organic diluent may be petroleum distillate, gasoline, kerosene or fuel oils. The vanadium may be recovered from the separated organic phase by extraction therefrom with an aqueous solution of a strong inorganic acid such as nitric, hydrochloric or sulphuric and oxidizing the aqueous acid layer with hydrogen peroxide, chlorine, sodium chlorate or chromic acid and evaporating the oxidized solution to yield vanadium pentoxide, or the oxidized solution may be adjusted to pH 2 when vanadium values precipitate.  Alternatively the aqueous acid solution can be evaporated to dryness to produce vanadium salts which may be oxidized with oxygen or steam to produce vanadium oxides.  If desired the organic phase from the initial extraction may be treated with an aqueous solution containing an oxidizing agent to convert the tetravalent vanadium to the pentavalent form and the separated aqueous solution may then be evaporated to yield vanadium pentoxide or the pH adjusted to about 2 to precipitate vanadium values.  If a vanadate is required the organic phase may be treated with a strong alkaline solution having a pH from 10 to 14 whereupon alkali metal vanadates are formed in the aqueous phase.  According to a typical example a leach solution of vanadiferous ore having a pH of 1.2 was treated with sulphur dioxide until ferric ions were absent and the pH thereafter adjusted to 2 by ammonia gas. Vanadium was extracted in a three-stage process using a 0.4 molar solution of di (2-ethyl-hexyl) phosphate in kerosene.  The organic phase was separated and treated with aqueous 7 per cent nitric acid and the so-formed aqueous layer was partially evaporated and the vanadium precipitated as pentoxide by adjusting the pH to 2.
Patent GB-272270-A (GB)
Title: Improvements in or relating to electric terminals and the like
IPC: H01R4/48
Filed: 1926-03-03
Abstract: 272,270. Spencer, R. K. March 3, 1926. Binding-posts.-A binding- post comprises a strip 1 of metal bent to a U-shape to form a resilient clip that tends to open and is pressed together to grip a wire &c. bv an operating-device 4, the spring-bias of the clip serving to maintain the operating- device in either extreme position. The device 4 consists of a lever pivoted in the side plates 2 of the clip and having its lower end bent to form an operating cam. The handle 8 may be insulated. Projections 9 are provided for attaching the clip to a base.
Patent GB-985418-A (GB)
Title: Apparatus for etching printing formes
Inventor: STIEHLER HERMANN
IPC: B41C1/00
Filed: 1962-02-16
Abstract: 985,418. Etching. INSTITUT FUR GRAFISCHE TECHNIK. Feb. 16, 1962, No. 6037/62. Heading B6J. A single-stage, forme-etching apparatus comprises a plurality of etching agent discharge nozzles disposed in an inclined position relative to the printing forme to be etched, at least in an operative state of said apparatus, adjusting means being provided for enabling the inclined position of the nozzles to be varied. Printing formes 1, Fig. 2, carried by a holder on the hinged lid of an etching apparatus, are etched by liquid ejected through nozzles 7 arranged at an oblique angle to the formes and having slit-like mouths as shown, or round mouths, the nozzles extending laterally over more than the width of the formes or being arranged as shown in Fig. 4. For etching cylindrical or parti-cylindrical formes 10, Fig. 6, the nozzles 7 are arranged round the circumference of a circle concentric with the formes and directed tangentially of the formes.
Patent GB-259455-A (GB)
Title: An interchangeable spinning nozzle device for machines employed for spinning chemical textile materials
IPC: D01D1/06
Filed: 1926-03-04
Abstract: 259,455. Sandoz, C. March 4, 1926. Apparatus for making filaments. - To allow spinning to continue should a nozzle become choked, the spinning- nozzle device is formed as a plug or cock 9 provided with oppositely disposed arms 3 on which the spinning - nozzles 7 are mounted in such wise that one nozzle only is in communication with the liquid supply; should this nozzle become choked, the plug is rotated, as by the handle 5, to cut out this nozzle and to put the other into operation.
Patent GB-1249303-A (GB)
Title: Preparation of rhodium complexes
Inventor: LAWRENSON MALCOLM JOHN
IPC: B01J31/16
Filed: 1968-02-07
Abstract: 1,249,303. Rhodium complexes, BRITISH PETROLEUM CO. Ltd. 30 Jan., 1969 [7 Feb., 1968], No. 6112/68. Heading C2C. Rhodium complexes are prepared by reaction of a rhodium carbonyl carboxylate with a reagent containing at least one active hydrogen atom, which is a #-diketone, such as acetylacetone, dibenzoylmethane, benzoylacetone, dipivaloylmethane, diisobutyrylmethane, trifluoroacetylacetone, hexafluoroacetylacetone, 3 - allyl - 2,4 - pentanedione or other 3-substituted 2,4-pentanediones, or benzoyltrifluoroacetone, or a Schiff's base of a #- diketone, e.g. a #-ketoimine having the general formula RCOCHR<SP>1</SP>C=NR<SP>111</SP>R<SP>11</SP>, wherein R, R<SP>1</SP>, R<SP>11</SP> and R<SP>111</SP> may be any aliphatic or aromatic groups and R<SP>1</SP> and R<SP>111</SP> may also be hydrogen. The rhodium carbonyl carboxylate is preferably of the general formula wherein R is an aliphatic, aryl-substituted aliphatic, aromatic or alkyl-substituted aromatic group. One carbonyl ligand of the product may be replaced by a neutral complexing ligand, which is preferably a tertiary phosphine, such as triethylphosphine, tri-n-propylphosphine, tri-n-butylphosphine or tri-n-octylphosphine, by treating a solution of the product containing a carbonyl ligand in an inert solvent with a neutral complexing ligand or a solution thereof.
Patent GB-126107-A (GB)
Title: Improvements in and relating to Forced Draught for Steam Boiler and other Furnaces.
Inventor: HOTCHKIS MONTGOMERY HART
IPC: F23L17/16
Filed: 1918-11-09
Abstract: 126,107. Hotchkis, M. H. Nov. 9, 1918. Draught-inducers.-High-pressure air is delivered through a series of nozzles arranged in the form of an upright or inverted cone or pyramid, or in stepped rows, below the chimney flue. Fig. 1 shows a series of nozzles b arranged around a central nozzle c at a lower level, the whole being supplied with air by a fan a. The central nozzle may be at a higher level than the outer nozzles. Fig. 4 shows a modified arrangement in plan, the nozzles being arranged in rows, with the'middle row d at a higher or lower level than the outer rows e. Fig. 6 shows a similar arrangement in elevation, with five rows of nozzles.