baber/WOPTO huggingface dataset:
Patent GB-142760-A (GB)
Title: Improvements in artificial limbs
IPC: A61F2/60
Filed: 1919-12-09
Abstract: 142,760. Bradley, C. H., Bradley, L. W., and Bradley, P. R. Dec. 9, 1919. Limbs, artificial. - The invention is shown as applied to legs. The kneejoint is locked in the straight position by the catch 22 which rides over and engages in a notch on the rib 21 formed on the block 19 which constitutes the lower portion of the thigh piece of the limb. The catch is urged against the stop by the spring 28, but it can be withdrawn to bend the knee by oscillation of the foot through the rod 24 and chain 25 which work in a leather tube to deaden noise. The projection 36 rests on a cushion 35 when the weight is being borne by the limb. In order to return the leg to the straight position when it is lifted from the ground, two leaf springs 30, adjustable by screws 34, are hinged at 31 and bear against flats 33 on the block 19. The joint pin passes through, and is squared to carry, two cones urged outwards by a spring between them. These engage corresponding fixed bearings of leather to give regulated friction and deaded noise. The limb is secured by two straps, a pelvic strap 47, which is secured to a pad 46 hinged to a bracket 43, and a waist strap 53 which is secured directly to this bracket.
Patent GB-957626-A (GB)
Title: Combination hole-drilling and thread-forming screw fasteners
Inventor: KAHN SIMON STIEFEL
IPC: F16B25/10
Filed: 1961-08-28
Abstract: 957,626. Self-tapping screws. GENERAL AMERICAN TRANSPORTATION CORPORATION. Aug. 28, 1961, No. 30896/61. Heading F2H. [Also in Division B3] A self-tapping screw 10 comprises cutting edges 13 at its point 12 for drilling a hole, and locking projections 18 on the head 17 for engaging the work. Figs. 4, 7C, 8C and 9C are sectional views across the drilling end of various embodiments. A screw-driving slot -may be formed in the head 17.
Patent GB-803866-A (GB)
Title: Improvements in or relating to methods of manufacturing monoscope targets
Inventor: RAFFAN WILLIAM PATERSON FORSYT
Filed: 1955-10-28
Abstract: 803,866. Coating by cathode sputtering. RANK CINTEL, Ltd. Oct. 26, 1956 [Oct. 28. 1955], No. 30902/55. Class 82(2). [Also in Group XL(a)] In manufacturing the target electrode for a monoscope tube, a layer of nickel is deposited on a support by cathodic sputtering in a hydrogen atmosphere. In the embodimeat shown, the nickel is deposited on a glass plate 1 held in a frame 2, 3 by sputtering from a nickel cathode 7. The operation is carried out in a bell-jar 6 which, after evacuation, is filled with hydrogen at 10-<SP>5</SP> mm. A direct voltage of 1.4 kv. is applied, and the hydrogen pressure adjusted by a needle valve 8 until the discharge shows a dark space midway between cathode and target. A current of 90 mA. passing for 45 mins. produces a nickel coating of 500-600 Š thickness.
Patent GB-170206-A (GB)
Title: An improved mathematical instrument for drawing ellipses
IPC: B43L11/055
Filed: 1920-11-02
Abstract: 170,206. Elliott, R. B. Nov 2, 1920. No Patent granted (Sealing fee not paid). Ellipsographs.-A plate 1 having formed in it slots at right-angles to each other for receiving sliding blocks 5 carrying an arm 8 is supported above the paper on a stem 2, the drawing-point 13 being carried on an adjustable rod 11 attached to the arm 8 and situated below the plate 1 so that complete, curves of smaller dimensions than the plate may be described.
Patent GB-1158080-A (GB)
Title: New Derivatives of Nebularine
IPC: C07H19/16
Filed: 1968-06-28
Abstract: 1,158,080. Nebularine derivatives. BOEHRINGER MANNHEIM G.m.b.H. 28 June, 1968 [1 July, 1967], No. 30954/68. Heading C2C. The invention comprises compounds of formula wherein Z is C 4-8  alkylidene, C 5-8  cycloalkylidene or C 7-10  aralkylidene, in which the aryl group may be substituted by halogen, nitro, amino, methylenedioxy, by C 1-4  alkyl, alkoxy, alkylmercapto, monoalkylamino or acylamino radicals, or by a di(C 1-4  alkyl)amino radical. These compounds are prepared by (1) acid-catalysed reaction of nebularine with Z=O, (2) splitting off X from a compound of the above formula which is X-substituted in the 6-position of the purine ring, the starting material being made by reacting a 6-X-substituted nebularine with Z=O.
Patent GB-446669-A (GB)
Title: Improvements relating to pudding basins and the like
IPC: A47J45/07
Filed: 1934-10-29
Abstract: 446,669. Pudding basins &c. HOROBIN, R., 167, Rolleston Drive, Lenton, Nottingham. Oct. 29, 1934, No. 30956. [Class 66] A device for attaching fabric covers to pudding basins &c. comprises a pair of curved aluminium strips B adjustably connected together by a pair of springs G each attached to one of the strips at D and engaging one of a number of tongues E formed on the other strip, each strip being provided with a lug A to which one end of the handle C is pivotally attached, the lugs having lips adapted to engage over the rim of the basin &c.
Patent GB-643453-A (GB)
Title: Improvements in or relating to methods of manufacturing mouldings of synthetic resinmaterial suitable for high-tension insulation
IPC: B29B15/00
Filed: 1946-10-17
Abstract: Before the moulding operation the moulding material is divided into small quantities and each quantity is examined by X-rays to detect the presence of heavy metal particles.  The moulding operation is then performed, using only those quantities of moulding material in which the metal particles are not shown to be present.  The moulded insulators may then be examined by X-rays to detect the presence of heavy metal particles, and those which show such particles may be rejected.  The preliminary examination may be made by passing the material in powder form through a magnetic field to remove magnetic particles, the material being then examined in small quantities by X-rays.
Patent GB-358297-A (GB)
Title: Method of preparing a packing for cigars, cigarettes and other articles of tobacco
IPC: B65D75/32
Filed: 1930-10-16
Abstract: 358,297. Cigarette and like packages or cases. NAAMLOOZE VENNOOTSCHAP GIJARTH'S SIGARENFABRIEKEN, 19, Fabriekstraat, Valkenswaard, Holland: Oct. 16, 1930, No. 30971. Convention date, April 17. [Classes 18 and 94 (i.] In the packing of smoking materials, a sheet of foil with preformed depressions 1 for the contents, is folded over so that the depressions register, and the edges 3 are joined together as a continuous closing edge by folding inwardly and pressing. Packing material 4 may be interposed between the seams. For access to the contents, an edge is removed by tearing, and the package may be used as a case.
Patent GB-995056-A (GB)
Title: A process for the preparation of esters of carboxylic acids and novel esters of said carboxylic acids
IPC: B01J31/26
Filed: 1963-08-06
Abstract: The invention comprises compounds of formula (R-O-CR12CH2CHR-O-CO-)nR11 wherein R is alkyl, R1 is H or C1- 4-alkyl, R11 is an organic group and n is an integer.  These compounds and mono- or polyhydric aliphatic or cycloaliphatic alcohol-derived esters of mono- or polycarboxylic acids generally are prepared by reacting said alcohol in liquid phase with said acid or its anhydride in presence of a metal salt of a solid acidic cation exchange resin.  Examples describe the preparation of (a) esters of the above formula: (1-methyl-3-methoxy - 3 - methylbutyl adipate (diester), 2,4 - dichlorophenoxyacetate and isooctylphathalate; (b) other esters: 1,2-dimethylpropyl 2,4-dichlorophenoxyacetate, maleate and acetate, and the acetate of 2-methyl-2,4-pentanediol.
Patent GB-211208-A (GB)
Title: Improvements in and relating to collapsible chairs and other seats
IPC: A47C1/12
Filed: 1922-11-13
Abstract: 211,208. Blascheck, J. Nov. 13, 1922. Folding and collapsable seats; securing articles of furniture together in rows.-The frame members a, b, e, g of a chair are connected by vertical hinges d arranged to permit the frame to collapse as shown in Fig. 3, the seat proper h being hinged to the front frame member e and supported on ledges i formed on the inner faces of the side frame members a, g thus retaining the frame in its open position. In a modification the sides of the seat h are provided with downwardly extending flanges engaging tha frame side members a, g to hold the frame in its open position, the seat and frame in this construction being provided with sockets through which tie bars are passed to connect a number of chairs together, the chairs being collapsed as a whole after the seats h have been raised. A settee comprising a number of seats mav be constructed in the same way and catches &c. may be provided on the seat proper to prevent accidental collapsing.
Patent GB-152237-A (GB)
Title: Improvements in and relating to wearing apparel
IPC: A41B1/02
Filed: 1919-12-11
Abstract: 152,237. Rademacher (nÚe Neumann), A. W. J. Dec. 11,1919. Shirts; shirt fronts.-In a linen shirt with a detachable front attachment is obtained by means of button or eyelet bands, one band d, Fig. 1, being arranged on the shirt and the other i, Fig. 2, on the front. The band i may be double to mask the attachment.
Patent GB-446671-A (GB)
Title: Improvements in and relating to thermionic valve amplifiers
IPC: H03F1/50
Filed: 1934-10-30
Abstract: 446,671. Valve detecting circuits. BIRKINSHAW, D. C., 17, Edgeworth Avenue, Hendon, London. Oct. 30, 1934, No. 31131. [Class 40 (v)] A detecting-circuit includes a screen-grid valve operating as a negative resistance device by biassing the screen grid to a higher positive potential than the anode, the anode load impedance being so chosen that the anode potential control grid potential curve is substantially parallel to the control grid potential axis over a considerable range of negative control-grid potentials. In Fig. 1 the anode resistance 3 of about 20000 ohms. is connected to a tapping 2 on the H.T. battery the anode potential varying from 50 to 130 volts by virtue of the negative resistance effect between screen grid and anode. Screen grid potential is maintained at 150 volts. The effect is shown in Fig. 2 in which anode potential (ordinates) is plotted against control grid voltage (abscissae) with screen grid potential of 150 volts for curve A and 100 volts for curves B, C, D, E. Anode resistances (3) were as follows :-20000, 150000, 40000, 20000 and 10000 ohms for curves A, B, C, D, E respectively. The sharp knee of the curve provides efficient rectification while the flat portion enables the control grid to be maintained negative, thus avoiding grid current damping. Anode and screen grid potential may be derived from a potential divider across the voltage source, Fig. 3 (not shown), or the anode resistance may be dispensed with, the two parts off the potential divider resistance constituting the anode load impedance 3, Fig. 4 (not shown).
Patent GB-227432-A (GB)
Title: Apparatus for the production of luminous showers
IPC: A63H33/36
Filed: 1924-12-29
Abstract: 227,432. GuÚrard, H. Jan. 8, 1921, [Convention date]. Illuminating-toys. - A method of producing luminous showers, which may be employed in theatres, for advertising purposes, or for imitating firework displays, consists in forcing one or more pieces of steel into contact with an emery wheel which is rapidly rotating, thus producing showers of sparks. The device comprises an emery wheel 1 secured to the shaft 2 of an electric motor 3, and a spider 4 freely rotatable on the shaft. Pieces of steel 6 are mounted in holders 10 secured in slots in the arms of the spider 4, and are forced into contact with the wheel by means of springs contained in the holders. A gear wheel 7 secured to the spider engages a pinion 8 on a shaft driven by a crank 9 or by the motor. When the wheel 1 is rotated, showers of sparks are produced, and the effect may be varied by keeping the, spider stationary or by rotating it at various speeds.
Patent GB-1105030-A (GB)
Title: Neck-tie attachment devices
IPC: A41D25/02
Filed: 1965-07-22
Abstract: 1,105,030. Necktie retainers. G. J. HASELUP and J. SCHIPELBAUM. 21 Oct., 1966 [22 July, 1965], No. 31229/65. Heading A3H. A device for attaching a necktie to a garment collar comprises a former substantially in the shape of an isosceles triangle and two outwardly flared members 2, 3 extending equidistantly from the base corners of the triangle in continuation of the equal sides thereof and terminating in a hook 6 and loop 7 for attaching to an elastic band which passes round the wearer's neck and supports the device at the front opening of the collar. The triangular portion may comprise a frame with a central strut 5. The former may be moulded from plastics material or made from metal.
Patent GB-816008-A (GB)
Title: Improvements in or relating to record cards for use in office machinery or the like
IPC: G06K19/02
Filed: 1956-10-15
Abstract: 816,008. Statistical record cards. KALLE & CO. A.G. Oct. 15, 1956 [Oct. 22, 1955], No. 31350/56. Class 106 (1). A record card is provided on one or both sides with a light-sensitive coating of a two-component diazo compound which is used to reproduce text or drawings on the card in addition to the data recorded by the usual perforations or other marks. The coated card is exposed through a transparent original bearing the required text or drawings and developed in a moist ammoniacal vapour. The card may be cut from the card material before or after the coating has been applied and the perforations are made after the coating process. The record card may be transparent, being made of cellulose acetate or other plastic and coated on one side only. If the card is opaque the coating may be on both sides.
Patent GB-1021840-A (GB)
Title: Beverage bottle cases
Inventor: PACHE ROBERT A
IPC: B65D1/24
Filed: 1964-08-04
Abstract: 1,021,840. Moulded bottle crates. WHITE EAGLE INTERNATIONAL Inc. Aug. 4, 1964 [June 2, 1964], No. 31360/64. Heading B8P. A moulded bottle crate has two end walls, two side walls, and a base in which are fixed several slip resistant rubber &c. grommets. Stacking of, the crates is thus facilitated. As shown, a moulded resin &c. bottle crate 10 has rubber grommets 16 in its base. The grommets 16 have annularly positioned protrusions 46, Fig. 3 (not shown), extending from their ground &c. engaging surfaces. Six grommets 16 are located in the positions shown. A square lattice of vertical ribs 12, 12a, 12b make the case 10 rigid. Four partition walls 14 give four individual compartments for six bottles each, but alternatively the ribs 12b may be of the same height as the walls 14, thus giving twenty-four individual compartments. Hollow cylindrical vertical ribs 18 reinforce the partition walls 14 and also act as spacers. Other configurations of the ribs and walls may provide different numbers of compartments, with correspondingly different positions of the grommets 16. At each corner of the crate 10, ribs 22, 26 transmit impact forces between inner and outer walls. Flanges 28, Fig. 2 (not shown), are provided around the upper edges of the outer walls. Triangular hand holds having an upper flange 40, Fig. 3 (not shown), with a gripping surface 42 are provided on each end wall. Apertures may be cut in the intersections of the partitions 14 to reduce the weight of the crate and facilitate drainage of liquids, Fig. 6 (not shown).
Patent GB-392204-A (GB)
Title: Improvements in brushes and brush holders suitable for dynamo electric machines
IPC: H01R39/38
Filed: 1931-11-12
Abstract: 392,204. Brushes and brush-holders for dynamo-electric machines. MORGAN CRUCIBLE CO., Ltd., Battersea Works, Church Road, London, and HEWS, C. J., 15, Dalmeney Road, Carshalton, Surrey. Nov. 12, 1931, No. 31409. [Class 35.] A brush and brushholder combination comprises a brush a having a projection d extending in the direction of the brush thickness and a holder having a pressure device to act on this projection to maintain the brush against one face of its guide irrespective of the direction of rotation. In the form shown, the pressure is exerted by the roller e<1> carried on the lever e, and the brush guide b is slotted at i to prevent the lever e being impeded when the brush wears. In a modified form, the lever e may bear directly on the projection which may extend at rightangles to the side of the brush, or a spring may serve as the pressure device. The projection may be a piece of metal or other material attached to the brush or be part of the brush itself.
Patent GB-794193-A (GB)
Title: Improvements in or relating to motor vehicles
IPC: B60R19/48
Filed: 1954-10-30
Abstract: 794,193. Indicating devices on vehicles. LOCK, R. Jan. 19, 1956 [Oct. 30, 1954], No. 31413/54. Class 79(5) [Also in Group XXXVII] A feeler for fitment to a motor vehicle, for use in giving warning of contact of the vehicle with obstructions or with other vehicles, comprises a body portion a of rubber or plastic material adapted to be secured to the bumper bar or other part of the vehicle and a cover c of rubber or rubber-like material, the body and cover having metallic contact plates f, e respectively, so that when the feeler meets an obstruction the contact plates f, e engage each other whereby an audible or visual warning device is put into operation by electric means.
Patent GB-308700-A (GB)
Title: Improvements in and relating to the prevention of rancidity in vegetable oils when forming part of plastic compositions for coating fabric, paper and the like
IPC: C11B5/00
Filed: 1927-11-23
Abstract: 308,700. Scharff, G. E., and Imperial Chemical Industries, Ltd. Nov. 23, 1927. Coating-compositions.-To prevent rancidity developing in the vegetable oil constituent of plastic compositions for coating fabrics, paper, and the like, about 2 per cent. of magnesium oxide relative to oil is added. The invention is especially applicable to coating compositions consisting principally of nitro-cellulose, camphor, vegetable oil, and pigments or fillers. Specification 256,654 is referred to.
Patent GB-684691-A (GB)
Title: Improvements in ash trays
IPC: A24F19/00
Filed: 1949-12-08
Abstract: 684,691. Ashtrays. BRITISH EUROPEAN AIRWAYS CORPORATION, and POOLEY, A. H. March 5, 1951 [Dec. 8, 1949], No. 31604/49. Class 130. Interfitting vanes 3, forming sector-shaped cigarette or match extinguishing compartments within an ashtray body 1, are rotatable therein to assist cleaning by relative twisting of the body and a rim member 7 in which the vanes are fitted and which has a sleeve 6 seating in the body. The vanes 3 and member 7 are removable from the body as a unit. The vanes 3 and body 1 may be of metal, or synthetic resin or other plastic. A cigarette rest 4 is provided. According to the Provisional Specification, the vanes 3 and member 7 are separately removable from the body, the vanes merely locating in notches in the member, and a cigarette rest is formed by centrally recessing the top of the vanes.
Patent GB-1030024-A (GB)
Title: Material for electrophotographic reproduction
IPC: G03G5/06
Filed: 1963-08-09
Abstract: 1,030,024. Electrophotographic materials. S.p.A. FERRANIA. Aug. 9, 1963 [Aug. 10, 1962], No. 31625/63. Heading H1K. An electrophotographic material has an electrically conductive support bearing a photoconductive layer which contains at least one 1: 3: 5-trisubstituted pyrazoline. The " 1 " substituent is an aryl group or a heterocyclic #-aryl group. The " 3 " substituent is formed by a directly bonded alkyl, aryl, or heterocyclic #-aryl group or by such a group connected to the pyrazoline nucleus by one or two pairs of methine groups. The " 5 " substituent is a directly bonded aryl or #-aryl group or such a group connected through one or two pairs of methine groups. The limitation is imposed that the " 1 " substituent must be a heterocyclic #-aryl group when the " 3 " substituent is a directly bonded aryl group or such a group joined to the nucleus by a single pair of methine groups, or when the " 3 substituent is a directly bonded alkyl group. The pyrazoline is generally dispersed in a resinous binder the amount of which is preferably no more than that required to prevent crystallization of the pyrazoline. Several pyrazolines may be present in the layer as may other photo-conductors, both organic and inorganic, and plasticizers for the resin. Optical sensitizers may be included, several examples of which are given. A solvent dispersion of the components may be applied by any known method to supports such as paper impregnated with salt-containing hydrophilic colloids; metal foils, for example of aluminium, zinc, copper, tin, iron, or lead; glass plates; and films of polyethylene, cellulose esters, cellulose ethers, polysulphonates, polystyrene, and polyamides. Insulating supports should be given a conductive surface, for example by vapour coating with metals. Eleven specific pyrazolines are disclosed and the Specification gives three examples of electrophotographic materials using some of these.
Patent GB-828834-A (GB)
Title: Method of and apparatus for depositing coatings on surfaces
Inventor: GABOR DENNIS
IPC: H01J9/22
Filed: 1956-10-17
Abstract: 828,834. Luminescent screens. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Oct. 11, 1957 [Oct. 17, 1956], No. 31649/56. Class 39(1). [Also in Group XVI] Apparatus for applying phosphors in finely divided state to a cathode ray tube screen through a stencil, which may be a shadow mark as in Specification 790,411 of a colour tube such as in Specification 739,496, comprises an enclosed chamber 10, means 11 near the lower end of the chamber for supporting the screen and the stencil in spaced relation in a desired altitude towards the vertical and means such as the jets 12, 13 for setting up a cloud of the phosphor which then settles under gravity through the stagnant air in the lower portion of the chamber 10 through the shadow mark on to the screen. By varying, in successive chambers, the angle of the screen to the vertical the desired coloured phosphors may be deposited in line formation. The cloud is formed by blowing air from a cylinder 15 through a valve 14 and through phosphor containing vessels 16, 17. Various nozzle formations are described which are so designed as to form opposing jets destroying each others momentum. A movable shutter 18 may be provided which is interposed initially in the path of the falling cloud to catch larger phosphor particles and is then withdrawn to permit passage of the finer particles. The Specification also describes a shadow mark, Fig. 16, comprising longitudinal conductors 1 connected and held together by cross ribs 2 formed by folds in the metal foil of which the mark is made, the structure being formed by resist coating and etching. The deposited phosphors may adhere to the glass screen surface electrostatically or the screen may be coated with a silicone adhesive prior to the deposition. Instead of deposition as a dry powder an atomised liquid phosphor material may be used.
Patent GB-1369127-A (GB)
Title: Connecting pieces for printed circuits
IPC: H01R12/58
Filed: 1972-07-06
Abstract: 1369127 Electrical connectors INTERNATIONAL STANDARD ELECTRIC CORP 6 July 1972 [9 July 1971] 31671/72 Heading H2E A multicontact connector for interconnecting circuits on opposed faces of a circuit board comprises a channel member 1 with dependent U- shaped pieces 2, each piece 2 having an S-shaped portion at its free end. In use the pieces 2 are inserted through respective holes 6 in the circuit board 7 so that the S-shaped portions abut circuit printing 11, 12, to which they are soldered; the pieces 2 are then cut at the bend of the U's and the channel member is removed and discarded. The severed ends are soldered to circuit printing 22, 23. Leads 20, 21 of a component 19 may be soldered as well for connection to the circuits.