baber/WOPTO huggingface dataset:
Patent GB-927390-A (GB)
Title: Improvements relating to electric motors
Inventor: KAUFMANN KARL
IPC: H02K9/06
Filed: 1961-05-24
Abstract: 927,390. Dynamo-electric machines. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. May 24, 1961, No. 18783/61. Class 35. In an electric motor comprising a rotor and stator mounted within a casing, ducting 7, 8 is lead from outside the casing through the space enclosed by the stator iron and a fan having two sets of blades 16, 17 at different radii is mounted on the rotor shaft to rotate therewith so that in operation cooling air is drawn through the ducting from outside the casing while air within the casing is circulated so as to pass over the outside surface of the ducting and to transfer heat thereto, the two air streams being kept substantially separate by means of an annular baffle 18 arranged between the two sets of blades 16, 17 on the fan. The air flowing through the ducts 7, 8 passes out of the casing through apertures 24, 25. The ducts may be provided with fins to increase the heat transfer.
Patent GB-440269-A (GB)
Title: Improvements in wireless receivers
IPC: H05K7/00
Filed: 1934-06-26
Abstract: 440,269. Wireless receiving-apparatus. SHEPHERD, A., The Glebe Farmhouse, Ringstead, Kings Lynn. June 26, 1934, No. 18785. [Class 40 (v)] A radio-receiver of the kind in which components make direct contact with each other has one side of the valve filament circuit constituted by a metallic chassis which serves as a screening housing. As shown in Figs. 1 and 2 two insulating strips 5 are mounted one at each end of the chassis, and on these strips is mounted a metal strip 1 which forms one side of the filament circuit ; the metallic casing 2, 4, forms the screening case and the other side of the filament circuit. The low frequency transformers 14, 15 have valve sockets mounted on their terminals and are so arranged as to constitute valve holder sockets 10, 16, 17 ; 11, 18, 19. Other components and tuning inductances are similarly arranged and connected at 9, 35, 36 ; 13, 38, 39. The H.T. supply is carried by a metal strip 56 connected to appropriate components through resistances 57 ... 60, which pass through small holes in the decoupling condenser assembly 65 ... 68. The wave range switch 69 carries contact studs 73 which engage studs 42 ... 47 through spring strips 74. Specifications 289,506, and 318,003, [both in Class 40 (v)], are referred to.
Patent GB-188145-A (GB)
Abstract: 188,145. Littledale, J. W. F. Sept. 19, 1921. Steadying-device for hand cameras. - A device for steadying a hand camera comprises a strip of webbing or like material having a loop A for the operator's foot, a buckle C for adjusting the length, and loops B for the operator's hand.
Patent GB-1453364-A (GB)
Title: Method for preparation of sulphinic acids
IPC: C07C313/04
Filed: 1974-04-30
Abstract: 1453364 Sulphinic acids KERNFORSCHUNG mbH GES FUER 30 April 1974 [3 May 1973] 18824/74 Heading C2C A method for preparing a pure sulphinic acid, comprises (a) dissolving an organic compound containing a sulphhydryl group bound to a carbon atom in a solvent which is inert and readily volatile at room temperature; (b) dissolving an oxidation agent consisting of a peroxy compound in a solvent which is inert and readily volatile at room temperature; (c) bringing the organic sulphhydryl containing compound into intimate contact with the oxidation agent at a temperature below room temperature to oxidize the organic sulphhydryl containing compound to a sulphinic acid and reduce the oxidation agent by adding the first and second solutions together to form a reaction mixture; (d) separating the reduced oxidation agent formed during the oxidation from the reaction mixture in known manner as a deposit or by extraction; and (e) thereafter blowing the solvent or solvents out from the reaction mixture at room temperature with a stream of inert gas. Specified oxidizing agents are mchloro-peroxybenzoic acid or peroxyacetic acid. Suitable temperatures are -30‹ to -80‹ C. The products may be converted to salts, e.g. Ag salts. Examples prepare ethylsulphinic, npropylsulphinic, n-butylsulphinic and benzenesulphinic acids.
Patent GB-958498-A (GB)
Title: Improved methods of graphic reproduction
IPC: B41M5/00
Filed: 1960-05-30
Abstract: 958,498. Thermographic sheets. MINNESOTA MINING & MANUFACTURING CO. May 30, 1960 [May 28,1959; March 21, 1960 No. 19062/60. Heading G2C. A method of making an image on a sheet of an unoriented polymer or an oriented polymer which has been heat set, comprises placing the sheet in contact with a graphic original and either the original or the polymeric sheet containing a material which absorbs radiant energy, exposing the assembly to radiant energy so that enough heat is generated to the temperature above the second order transition temperature of the polymer thus causing the polymeric sheet to deform in the areas corresponding to the image. In Example 1, a polystyrene sheet is placed in contact with an original having radiant-energy absorptive characters and exposed to heat to produce deformed hydraulic image areas in the hydrophobic sheet so that it may be used as a lithographic printing plate. In Example 2, a surface hydrolysed cellulose acetate sheet is exposed in contact with an original as above, the image areas becoming hydrophobic. In Example 3, a sheet of polystyrene containing infra-red absorber carbon black is placed in contact with a stencil, exposed to heat and used as printing plate as above. In Example 4, a polyester sheet having a deformed hydrophilic image areas prepared as above has catechol deposited in the image areas and is then contacted with a sheet containing a metallic soap or salt which on heating produces a coloured image. In Example 5, a solution of acetaldehyde and ammonia is applied to the image areas of a polymeric sheet as in Example 4 and used to develop a two-component dicerotype sheet by heating. In Example 6, a reducing agent is dusted on to the deformed image areas and contacted with a receptor sheet containing an oxidising agent so that on heating a coloured image is produced in the receptor sheet.
Patent GB-260346-A (GB)
Title: Manufacture of pharmaceutical products
IPC: C07D451/06
Filed: 1925-07-28
Abstract: 260,346. Pope, Sir W. J. July 28, 1925. Borates of anaesthetic bases for pharmaceutical use are prepared by reacting with boric acid on the base. preferably in the presence of a solvent such as acetone, to produce a compound containing one molecular proportion of the base to five atomic proportions of boron. Alternatively the reaction is effected by double decomposition of, for example, the sulphate of the base with barium borate. The products are easily soluble in cold water giving a slightly alkaline solution. Examples are given of the preparation by both methods of the pentaborates of amydricaine, ethocaine, benzamine and butyn, whilst the borates of cocaine, amylocaine, glycocaine, benzocaine and phenocaine are referred to. The Provisional Specification also mentions orthocaine borate.
Patent GB-147152-A (GB)
Title: A stand for exhibiting postage stamps and the like
IPC: A47F3/08
Filed: 1920-07-07
Abstract: 147,152. Althoeft, P. Aug. 28, 1916, [Convention date]. No Patent granted (Sealing fee not paid). Reel and endless-web apparatus; rotary cylinder, prism, and like apparatus. -A stand for displaying stamps comprises a irame a carrying two spindles b<1>, b<2> on each of which are two disks c<2>, c<4> round which pass two bands f<2>. Each band carries bearings g<1>, g<2> in which are removably journaled drums l<1>, l<2>, of circular or polygonal crosssection. The drums are divided radially into stampcontaining compartments which are covered by hinged doors which have means for holding specimen stamps. In order to bring a required drum into position for inspection, the spindle b<2> is rotated by a retaining-nut n<2> on its crank k, and the drum then rotated by a spindle end. A retaining nut on its opposite spindle end is used for fixing the drum in position, and the bands f<2> are held in place by a ratchet and pawl h, i. When used for exhibition purposes, the drums are caused to rotate as the bands f<2> are moved by means of a rack q which engages a circle of teeth round each drum. The rack a may be interrupted at one point to allow independent rotation of the drum for inspection. The drums may be replaced by rollers, e.g. black lacquered wooden rollers. The apparatus may be actuated continuously otherwise than by hand. Labels o<1>, o<2> .. may be provided on one of the bands f<2>.
Patent GB-1465107-A (GB)
Title: Vapour discharge lamp and electrode structures therefor
IPC: H01K1/04
Filed: 1974-05-02
Abstract: 1465107 Electrode materials GENERAL ELECTRIC CO 2 May 1974 [24 May 1973] 19358/74 Heading H1D An electrode structure for a vapour discharge lamp, comprising wires 16, 17 (Fig. 2), supporting a filament 21, which supports on its central portion an electron-emitting material 24, has a coating 26 of carbon on at least a portion of the end regions of the filament 21 and of the adjacent regions of the wires 16, 17. In a fluorescent lamp (11), Fig. 1 (not shown) a glass tube (12) has an inner coating of phosphor and an electrode structure sealed to each end of the tube. The electron-emitting material 24 initially consists of e.g. alkaline-earth carbonates.The ends of filament 21 not covered by the electronemitting material, including the parts beyond the clamps 22, 23 formed on wires 16, 17 and holding the filament, and the adjacent portions of wires 16, 17, are coated by dipping or spraying with a dispersion of graphite in a volatile liquid. Current is passed through the filament to raise the temperature of the carbonates to about 1600 C. to convert them to oxides and to produce a carbon coating 26. This may act as an anode in alternate half-cycles of an A.C. supply. The carbon coating is said to reduce the deposition of oxides as known rings on the inside of the tube (12).
Patent GB-1345844-A (GB)
Title: Exhaust silencer and spark arrestor for an internal combustion engine
IPC: F01N3/06
Filed: 1972-04-26
Abstract: 1345844 Separating particles from exhaust gas DISCOJET CORP 26 April 1972 [18 June 1971] 19361/72 Headings BIT and B2P [Also in Division F1] A flow passage for exhaust gas from an opening 16 in the cylindrical wall 13 of a silencer casing, with end walls 18 and 26, is defined by a spiral wall 33 extending from adjacent the opening for substantially threequarters of a turn and between the end walls and a deflector wall 43 comprising a planar portion 44, extending from adjacent the opening, and a curved portion 46. A tube 24 arranged coaxially of the wall 13 has one end engaging an aperture 21 in the wall 18 and the other end passing through a larger aperture 28 in the wall 26 to define an outlet 31. A wall 36 supports the wall 33 and a wall 48, extending from a location radially inward from the wall 33 to the junction between the wall portions 44 and 46, defines with the wall 33 an inlet 51 to a collecting chamber 57 for carbon particles in the exhaust gases. A removable plug 58 provides for particle removal. The wall 33 is formed of wire mesh or perforated metal and sound-absorbing material 42, e.g. glass fibre or asbestos, is located between the walls 13 and 33. The gases discharged through the outlet 31 are discharged radially outwardly by a plate 62 formed with ribs 63 extending tangentially to the tube 24 and defining flow passages with the wall 26.
Patent GB-1424549-A (GB)
Title: Flint wheel for lighters and methods for manufacture
IPC: B23P9/02
Filed: 1973-04-25
Abstract: 1424549 Making lighter wheels SOC FRANCO - HISPANO - AMERICAINE 25 April 1973 [26 April 1972] 19569/73 Heading B3A [Also in Division F4]  A lighter flint wheel comprises a hollow metal cylinder milled on its external cylindrical surface and having ratchet teeth integral with and extending from one free edge. Fig. 1 illustrates one process for making the wheel, in which a toothed disc 1 stamped from metal strip is cupped in two stages, and then milled, and a mounting hole 5 drilled in the cup base 3. In another embodiment, Figs. 2 and 5, teeth 7 are cut on a flat strip 6 and cut-outs 8 formed so that when the strip is curved to cylindrical form, end portions 9 mutually engage. A polygonal member 10 force fitted into the cylinder has a mounting orifice 11, or may have a stud extending from its face remote from the teeth.
Patent GB-1509904-A (GB)
Title: Nitriles derived from indane-1,3-dione and coumarin
IPC: C07C255/45
Filed: 1974-05-04
Abstract: 1509904 Nitriles derived from indan-1,3-dione and coumarin BEECHAM GROUP Ltd 28 April 1975 [4 May 1974 7 Nov 1974] 19721/74 and 48115/74 Heading C2C The invention comprises compounds of formula and their pharmaceutically acceptable salts, wherein X is a bond or an oxygen atom and R 1 , R 2 , R 3  and R 4  are each H, halogen, alkyl or alkoxy (provided that at least one of them is other than H), or any two of R 1 , R 2 , R 3 , R 4  form a fused carbocyclic ring. In examples, the indane compounds are prepared by reacting in presence of NaOMe, either MeCN+ a ring- substituted dimethyl phthalate, or a ring- substituted 3 - cyanomethylenephthalide; and the coumarin derivatives by reacting an appropriate 2 - acetoxybenzoic acid chloride (or its naphthoic analogue) (prepared from the correspondingly substituted salicyclic acids) with the Na derivative of CNCH 2 CO 2 Et. Starting materials otherwise prepared are 3,4-Et 2 C 6 H 3 -Y-(CH 2 ) 2 CO 2 H (Y = CO or CH 2 ); 6,7 - diethyl - 1 - tetralone; and naphtho - 1,4- quinones which are 2,6,7-substituted as follows OH, Et, Et; Cl, Et, Et; Br, Me, Me; N 3 , Me, Me; N 3 , Et, Et. Therapeutic compositions adapted for administration to human beings comprise compounds of the above formula (except that the proviso does not apply), which inhibit antigen-antibody reactions.
Patent GB-433089-A (GB)
Title: Improvements in or relating to thermionic valves and circuit arrangements incorporating the same
IPC: E01B11/10
Filed: 1934-07-05
Abstract: 433,089. Thermionic valves ; circuits for wireless &c. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. July 5, 1934, No. 19819. Convention date, July 5, 1933. [Classes 39 (i) and 40 (v)] A valve, particularly for use in a superheterodyne receiver, has a cathode providing a main and an auxiliary discharge in different and preferably opposite directions, a grid partly or wholly surrounding the cathode and common to both paths, the main discharge path including the common grid and at least two grid-like electrodes, and the auxiliary path consisting of the common grid and an auxiliary anode. In one arrangement the common grid is of cylindrical shape surrounding the cathode which is preferably indirectly heated. The grid may have portions giving different mutual conductances, for example, they may be of different mesh or spaced at different distances from the cathode. As shown in Fig. 3, the common grid consists of a cylinder 3 with radial ribs 10 assisting the decoupling between the paths. The auxiliary anode 4 is curved. The control grid 6 has metal strip supports 13 preventing the deflection of electrons laterally. The two screen grids 5, 7 are combined to form an electrode of box shape. One or more of the grids, for example, the grid 5, may produce a variable mu effect. As shown in Fig. 5, the cathode 2 is flat, the grid 3 is a box with flat sides of different mesh, and the control grid 6 and anode 9 are of U- shape. The grids 5, 7 are combined to form a box, and a suppressor grid 9 is extended to form a box surrounding the grid 3 and auxiliary anode 4 for reducing interference by external fields. In the arrangement shown in Fig. 6, the common grid is in two parts 31, 3<11> connected by a condenser K in the valve or cap, so that the same alternating but different continuous potentials may be applied to them. The input circuit is connected with the control grid 6. An amplification regulating voltage A.V.C. is applied to the grid 31 through a resistance W, and local oscillations produced in the auxiliary path and the circuit L<1>C<1> are applied to the grid 3<1>. A resistance R, shunted by a condenser C<3> stabilizes the amplitude of the local oscillations. The connections to the grid portions 3<1>, 3<11> may be interchanged and the resistance W may be mounted in the valve or cap and connected between the grid 3<11> and the cathode.
Patent GB-937287-A (GB)
Title: Improvements relating to electrolytic removal of metal
Inventor: WILKINSON BERNARD HALL
IPC: B23H3/04
Filed: 1960-06-03
Abstract: 937,287. Electrolytic machining. ROLLSROYCE Ltd. May 31, 1961 [June 3, 1960], No. 19829/60. Class 41. Holes are formed in metals electrolytically, by mounting the workpiece as anode close to the tool as cathode to leave a small gap, e.g. a few thousandths of an inch, and advancing the tool as the hole is made, an ample flow of electrolyte being maintained in the gap of about 2¢ gals. per min. per inch circumference of the hole being made. A voltage of about 12 v. and not above 48 v., with a C.D. of up to 1000 A.S. inch of workpiece surface is maintained. A suitable apparatus consists of a copper tube electrode 10 having a rim 11 which acts as the working electrode, and is preferably protected on the outside surface by a coating of resin. A frusto-conical plug 13 is mounted at the end of the tube 10, on a spring 14 pressed against a member 16 brazed to the inlet end of the tube. Electrolyte at high pressure is supplied to the inner tube 15 and passes through a series of holes 1311 arranged in an annular ring in the flanged part of the plug 13, the disposition at the rim 11 forming an annular stream of electrolyte. The workpiece of e.g. " Nimonic " (Registered Trade Mark) or other hard metal is mounted horizontally on a rubber backing member and the tube 10 is directly downwardly, the conical member 13 touching the workpiece, and spring pressure maintaining a very small gap, and allowing the electrode rim 11 to enter the hole as it is formed. In a modification the tube 10 is reduced at the rim 10 to flare outwardly. Specification 937,286 is referred to.
Patent GB-794238-A (GB)
Title: Improvements in or relating to self-service vending machines
IPC: G07F11/18
Filed: 1956-06-27
Abstract: 794,238. Coin-freed vending apparatus. SEITZ, H., SEITZ, E. LIEGEL-, LIEBLER, H., SEITZ, R., LIEGEL-; LIEBLER, E., SEITZ, G., HARTMAN, C., and SEITZ, I. June 27, 1956 [Feb. 1, 1956] No. 19833/56. Class 27 A vending machine for cylindrical articles comprises a shoot 11 for two stacks of the articles and a drawer 15 having an article-receiving recess 16 below one of the stacks and a rearwardly or forwardly extending portion 17 supporting the other stack. To prevent jamming of the articles in the shoot, the depth of the recess 16 is somewhat greater than the diameter of the articles and, on movement. of the drawer, an edge 18 between the portion 17 and the recess raises one stack .and then the friction between the portion 17 and the two lowermost articles rotates the articles.
Patent GB-478574-A (GB)
Title: New or improved apparatus for controlling the admixture of different liquids or mixtures of liquids and solids
IPC: G05D11/03
Filed: 1936-07-17
Abstract: 478,574. Rotary pumps. BRITISH COAL DISTILLATION, Ltd., MACHEN, C., and ARAM, E. H. G. July 17, 1936, No. 19851. [Class 110 (ii)] A rotary pump, for use in controlling the admixture of liquids or liquids and solids, is driven by a ratchet-gear in which the slotted lever 3 is formed of two bars which embrace the ratchet wheel 1A and the pawl 3A. The throw of the crank pin 2A may be adjustable.
Patent GB-283606-A (GB)
Title: Improvements in or relating to shuttle spools for sewing-machines
IPC: D05B57/28
Filed: 1926-08-12
Abstract: 283,606. Winram, A. Aug. 12, 1926. Lock stitching by shuttles.-A shuttle-spool is provided with a removable end or ends to adapt it to receive a ready-wound cop of thread. One of the ends 10 may be secured to a stem 8 having a threaded part 9 which engages a threaded part 7 on a tubular spindle 5, the stem 8 serving as a guide to facilitate the engagement. In the construction shown in Fig. 4 the end disc 6 is mounted on a screw-threaded pin 13 which is adjustable in the spindle 5 but secured against detachment by a stop 15.
Patent GB-837037-A (GB)
Title: Sifting apparatus
IPC: B07B4/08
Filed: 1957-06-25
Abstract: 837,037. Sifting apparatus. GENERAL MILLS Inc. June 25, 1957 [June 26, 1956], No. 19966/57. Class 117 A box-like screen casing 24 is supported on hangers 12, 14 and reciprocated by an eccentric and connecting rod drive, and in order to equalize the air pressures above and below the screen 30 during reciprocation an opening 56 is provided in the rear wall 52 of the casing. Material is fed at 34 and conveyed as a smooth layer over the. screen to the " overs" outlet 36 and " throughs " outlet 38. In order to prevent pressure differences above and below the screen caused by transverse screen supports of relatively deep vertical cross-section, those supports 78, Fig. 4, are made stream-lined, allowing free movement of air longitudinally of the screen and adjacent those supports. In Fig. 4, a wall 88 extends from the opening and a cover 92 of flexible material is provided and is of sufficient size to move in response to pressure fluctuations. If the casing has two screens mounted one above the other, openings with or without flexible closures are arranged in the rear wall of the casing below each screen. In Fig. 9 the pressure differences above and below two screens 30 are controlled by outlets 128, 144 covered by flexible closures 130, 150. A casing 196 surrounds the outlets and may have an adjustable pivoted cover 200 so that by closing the cover the air trapped within the casing 196 will resist flexing movement of the closures, and by opening it a maximum flexing movement will be obtained
Patent GB-331388-A (GB)
Title: Improvements in fastenings for attache cases and the like
IPC: A45C13/10
Filed: 1929-07-01
Abstract: 331,388. Fowler, T. G. July 1, 1929. Fastenings for attache cases; hasp fastenings. -The handle H is engaged by a loop E hinged in folded-metal plates A secured to the cover U, the loop terminating in ball or enlarged ends F. The loop may constitute a hasp for a central lock K. the hasp-staple L being formed from metal folded around the loop and secured by brazing, &c. Specification 15648/12 is referred to.
Patent GB-153965-A (GB)
Title: Improvements in and connected with holding or securing the covers or stoppers of sheet metal hollow ware
IPC: B65D45/28
Filed: 1919-08-18
Abstract: 153,965. Gee, L. F. Aug. 18, 1919. Heads.-A dished lid or stopper for sheecmetal drums, barrels, &c. comprises a bar 5 pivoted on a rivet 6 at the centre of the lid. The ends of the bar project over the ends of the lid, and spring under brackets 7, having downwardlyturned edges 8. The bar may be of double or multiple ply sheet-metal. Holes are provided at the outer ends of the bar and in the lugs, for a securing wire seal.