baber/WOPTO huggingface dataset:
Patent GB-677497-A (GB)
Title: Improvements in or relating to the construction of hooped pipes or hooped vessels
IPC: B21C37/15
Filed: 1950-11-06
Abstract: 677,497. Making pipes &c. FERRAND, G. A. Nov. 6, 1950 [July 20, 1950], No. 27103/50. Classes 83 (ii) and 83 (iv). In a method of making hooped pipes and hooped vessels, the hoops are subjected to a cold-stretching in excess of the elastic limit before being applied to the pipe or vessel. The stretched hoops may be applied to the pipe or vessel by the method described in Specification 340,148.
Patent GB-862886-A (GB)
Title: Surgical sponge and method of making same
IPC: A61F13/20
Filed: 1959-08-07
Abstract: A surgical sponge is made by enclosing a wad of absorbent material in a bag-like wrapper of pervious material, at least the edge portions of which contain heat-sealable material and the neck of the bag is held closed by heat sealing.  In the preferred form the absorbent material is placed in the middle of a sheet of fabric which is then folded around it and drawn together to form a neck, which is then twisted slightly and heat sealed to retain it in position.
Patent GB-890296-A (GB)
Title: Improvements in or relating to electromagnetic wave transmission systems and apparatus for use therewith
IPC: H01Q19/17
Filed: 1958-08-26
Abstract: 890,296. Radio duplex diversity systems; aerials. WESTERN ELECTRIC CO. Inc. Aug. 26, 1958 [Sept. 16, 1957], No. 27340/58. Classes 40(5) and 40(7). [Also in Group XL(b)] A scatter propogation communications system comprises a first directional microwave antenna 11, Fig. 1, a second directional microwave antenna 12 spaced away from the first by a distance greater than the line of sight, the antennae each being directed to receive wave energy transmitted from the other antenna, each antenna comprising at least two closely spaced collecting means 17, 18 and 26, 27 at least one of which is adapted for use as an emitting means. In one embodiment antenna 12 comprises a paraboloidal reflector 25, Fig. 2, with apertures 26, 27 of waveguides 28, 29 displaced vertically about the focal point 41 of reflector 25. Energy from transmitter 32 is fed to the waveguide by coupler 14 and is propogated along lobes 23, 24 which are intersected by receiving lobes 21, 22 of antenna 11. Wave energy scattered along lobes 22, 21 is collected by apertures 17, 18 respectively of waveguides 15, 16, the two received signals being fed along different paths to a diversity receiver 33. A transmitter 13 and receiver 31 are provided at stations 11, 12 respectively to complete the two-way system. The emitting and receiving apertures may be horizontally displaced about the reflector focus. The waves received and transmitted by each antenna may be of different frequencies and/or polarisation to reduce cross-talk. In another embodiment one energy emitting and receiving aperture is situated at the focal point of the reflector, and energy is transmitted only from this aperture, but all the apertures are used for receiving, each one serving a different lobe. Specification 789,639 is referred to.
Patent GB-221989-A (GB)
Title: Combination square
IPC: G01B3/56
Filed: 1923-11-01
Abstract: 221,989. Temperli, E. H. Nov. 1, 1923. Tools for setting-out work. -A combination instrument of the kind in which a blade is adjustably mounted on a stock so that it can be set and secured at any desired angle in relation thereto, comprises a rectangular stock 2 in one face 8 of which is formed a depression 9 of V- section, the blade 7 being disposed in a slot 6 which communicates with the depression and is so positioned that the apex 12 of the depression lies in one face 14 of the slot. The blade is formed with a bevelled groove 33 in which is seated a feather 32 carried by a screw 31 so that by tightening the screw the blade can be clamped in any position to which it has been adjusted. The screw 31 passes through a screw 27 and engages an internal thread in a sleeve 26 having also an internally-threaded portion 28 engaged by the screw 27. A pointer 38 mounted on the sleeve 26 indicates on a scale 43 the angle between the blade and the stock. When the blade is turned to abut against the face 17 of the slot the instrument can be used as a square or for marking the centre of a shaft, Fig. 4, or for drawing a line on the surface of a shaft parallel to the axis. For marking a corresponding line on a tapered shaft the blade 7 is turned until it is in contact with the surface of the shaft which rests in the depression 9. A scriber &c. is then inserted through a longitudinal aperture 20, Fig. 14, in the stock and is drawn along the shaft in contact with the edge of the blade. Spirit levels are mounted on the faces 47, 48 of the stock.
Patent GB-247886-A (GB)
Title: Improvements in attachments for leaf springs
IPC: F16F1/20
Filed: 1925-11-02
Abstract: 247,886. Hamilton, T. S. Nov. 2. 1925. Laminated springs.- Compressible members 8, preferably of rubber and each formed with an air space, are inserted between the leaves and are retained in position by compression. Each member may be in, the form of a circular washer with concave surfaces 6.
Patent GB-281836-A (GB)
Title: Improvements in or relating to the construction and mounting of engine crank shafts
IPC: F16C9/02
Filed: 1926-11-03
Abstract: 281,836. Villiers, C. A. Nov. 3, 1926. Crank shafts. - In mounting engine crank shafts of the kind in which the intermediate crank webs b form the main bearings of the shaft, freely rotatable or floating rings or bushes are interposed between the crank webs and fixed bearing surfaces carried by the crank case. To provide for lubrication under pressure, baffle devices may be arranged between the crank shaft and its bearing surfaces. These may comprise internal expanding piston rings fitted into grooves in the extremities of the floating bushes and also fitted in connection with end webs d if used as journals. The crank shaft shown is carried at its ends in roller bearings c, and is provided with a thrust bearing e, vibration damper f, gear wheel g, and flywheel flange h. Specification 271,211 is referred to.
Patent GB-792206-A (GB)
Title: New metallised mono azo dyestuffs of the benzene-azo-pyrazolone series
Inventor: REECE CHARLES HUGH
IPC: C09B45/14
Filed: 1955-09-28
Abstract: The invention comprises the complex chromium and cobalt compounds which in the free acid form are of formula <FORM:0792206/IV (b)/1> where Me is chromium or cobalt and also the complex chromium and cobalt compounds of the o:o1-dihydroxymonoazo dyes of formula <FORM:0792206/IV (b)/2> and not more than one molecular proportion of one or more different o:o1-dihydroxymonoazo dyes free from sulphonic acid, carboxylic acid, sulphonamide or sulphone groups, wherein the complex compounds contain 0.5 atomic proportions of chromium or cobalt for each molecular proportion of the o - o1-dihydroxymonoazo dyes.  The metallized dyes are made by treating the dye of formula (2) or a mixture thereof with an equimolar proportion of one or more different o:o1-dihydroxymonoazo dyes as defined above, under weakly acid, neutral or alkaline conditions with agents yielding chromium or cobalt in such amounts as correspond to more than 0.5 atomic proportions of chromium or cobalt for each molecular proportion of o:o1-dihydroxymonoazo dye.  Specified o:o1-dihydroxymonoazo dyes which may be used in the mixed complexes, apart from those described in the examples, are 4-nitro - 2 - aminophenol-->1 - (41 - methylphenyl or 31 - chlorophenyl) - 3 - methyl - 5 - pyrazolone. Specified metallizing agents are salts of chromium and cobalt such as the chlorides, fluorides, formates and acetates and mixtures thereof with salts of aliphatic hydroxycarboxylic acids, such as tartaric acid.  The metallization is carried out in known manner, preferably in the presence of an organic solvent.  The dyestuffs dye nitrogenous fibres such as wool, silk, superpolyamides and superpolyurethanes and give orange to brown to brownish-yellow shades on wool.  In examples: (1) the chromium and cobalt complexes of the dye of formula (2) are prepared; (2) the mixed chromium complex of the dye of formula (2) and the dye 4 - nitro - 2 - aminophenol-->1 - phenyl - 3 - methyl - 5 - pyrazolone is prepared; (3) the mixed chromium and cobalt complexes of the dye of formula (2) and the dyes 4-chloro-2-aminophenol-->1 - acetylamino - or - carboethoxyamino - 7 - naphthol and 4 - nitro - 2 - aminophenol-->1 - (31 - methylphenyl) - or - (21 - or 41 - chlorophenyl) - 3 - methyl - 5 - pyrazolone are prepared.
Patent GB-885730-A (GB)
Title: Improvements relating to multi-layer articles of plastic sheets secured along their edges
IPC: B29C65/04
Filed: 1958-08-28
Abstract: 885,730. Seaming non-metallic sheet material. BUCHANAN MASH & CO. Ltd., and LEECH. C. H. July 17, 1959 [Aug. 28, 1958], No, 27654/58. Class 42 (1). A method of joining superposed plastic sheets along at least one edge with an intervening reinforcing strip along the edge comprises placing a reinforcing strip against an outer face of an assembly of at least two superposed sheets along the edge thereof to be secured, welding the sheets and the reinforcing strip together along the edge and doubling the outer sheet around the welded edge so that the reinforcing strip is then between the two sheets. As shown in Fig. 3 two sheets 14, 13 have reinforcing strips 19 and 20 welded to their opposite outside faces to form a tubular structure. This is then turned inside out as shown in Fig. 4 and the seams flattened as in Fig. 5. The method of welding is as disclosed in Specification 884,077.
Patent GB-244061-A (GB)
Title: An improved pumping apparatus for wells
IPC: F04B47/14
Filed: 1925-11-03
Abstract: 244,061. Quinan, H,. W., Laughter, C. P., and Roberts, W. C. Dec. 5, 1924, [Convention date]. Rope-actuated pumps; counterbalances; stroke, varying.-The rod of a well pump is connected by a cable 6 with the periphery of a wheel 3 which carries a counterweight 10 and is driven by means of a cable 15 from a source of power not shown. The cable 15 is attached to the wheel by a stud 16 and a grooved arm 12, several such arms being provided for altering the stroke. Fig. 5 shows a chain substituted for the cable 6. The weight; 10 may be carried on the wheel itself.
Patent GB-384390-A (GB)
Title: Improvements in or relating to golf clubs
IPC: A63B53/02
Filed: 1931-10-06
Abstract: 384,390. Golf clubs. CUNNINGHAM, J. M., Craiglea, Mount Vernon, Glasgow. Oct. 6, 1931, No. 27716. [Class 132 (ii).] An adaptor for connecting a metallic shaft 7 to a club head 4 having a socket 5 dimensioned to receive a wooden shaft, comprises a tubular metallic sleeve 8, 9 whose exterior tapers convergently from near the middle to the ends, one tapered portion of the sleeve being adapted to fit tightly within the socket, and the interior of the sleeve being provided with a slightly tapered bore adapted tightly to embrace the shaft. The sleeve is formed of an aluminium alloy or other light metal and is held in place by a rivet 10 that passes through the socket, sleeve, and shaft. The outer surface 6 of the socket is chamfered to present a continuation of the sleeve.
Patent GB-875370-A (GB)
Title: Improvements in or relating to apparatus for a pulsed radar system
IPC: G01S13/60
Filed: 1957-09-03
Abstract: 875,370. Pulse radar. LABORATORY FOR ELECTRONICS Inc. Sept. 3, 1957 [Sept. 10, 1956], No. 27804/57. Drawings to Specification. Class 40(7) The pulse Doppler airborne radar described is identical with that disclosed in Specification 875,369 but the claims relate to controlling the pulse recurrence frequency in accordance with the altitude of the aircraft, the recurrence frequency being a selectable subharmonic of a fixed frequency coherent with the transmitter and oscillator frequencies. Specification 883,398 also is referred to.
Patent GB-1118725-A (GB)
Title: Emulsion polymerised latexes and their production and use
IPC: D21H19/22
Filed: 1965-07-01
Abstract: An emulsion polymerized latex is produced by polymerizing an ethylenically unsaturated monomer in the presence, as sole emulsifier, of at least 10% by wt. of a salt of a partial ester of a copolymer of maleic anhydride and a vinylidene aromatic compound. The monomer may be styrene with optionally dibutyl fumarate, ethyl acrylate or up to 60% by wt. of butadiene, or methyl methacrylate. The emulsifier may be of molecular wt. 1000-20,000 and have the repeating units <FORM:1118725/C3/1> <FORM:1118725/C3/2> where groups of Formula I constitute 20-100% of the total groups, R is a C1- 20 organic radical, R1 is H, a C1- 5 alkyl radical, halogen or nitrile group, Ar is a radical of 1 or 2 benzene rings and X is an ammonium (which may be substituted) or an alkali metal ion.  The emulsifier may comprise an aq. solution of the 2-butoxyethanol partial ester of a styrene-maleic anhydride copolymer and ammonium hydroxide. The polymerization may be carried out in the presence of an aq. solution of ammonium persulphate and sodium bisulphite as initiator.ALSO:A cellulosic substrate is coated with an emulsion polymerised latex produced by polymerising an ethylenically unsaturated monomer in the presence as sole emulsifier of at least 10% by wt. of a salt of a partial ester of a copolymer of maleic anhydride and a vinylidene aromatic compound.  The monomer may be styrene with optionally dibutyl fumerate, ethyl acrylate or up to 60% by wt. of butadiene or methyl methacrylate.  The latex may contain a siloxone polymer.  The substrate may be a paper cup or plate, or a laminated cellulosic paper substrate.
Patent GB-1355810-A (GB)
Title: Hinges
IPC: E05D7/12
Filed: 1971-06-15
Abstract: 1355810 Separable hinge leaves GRORUD JERNVAREFABRIK A/S 15 June 1971 [16 June 1970] 27962/71 Addition to 1301503 Heading E2F A hinge has at least one leaf formed in two parts, viz. a second part 2 inserted into a pocket formed between a door 7 and a first part 1 attached thereto. The first part 1 is of mild steel and has a deformable lip 9 with e.g. a lug 8 for engagement in an opening 11 in the second part 2. The second hinge leaf 4 may have a projection 10 which, in the closed hinge position, engages the lip 9 to deform it into engagement with the opening 11. The first part 1 has guide ridges 7 and may be formed by stamping and pressing mild steel stock.
Patent GB-795070-A (GB)
Title: Improvements in baseboards for holding sheets during photographic printing
IPC: G03B27/58
Filed: 1955-10-03
Abstract: 795,070. Photographic projection-printing apparatus. ALLERA, H. Oct. 2, 1956 [Oct. 3, 1955], No. 28048/55. Class 98(1) In a copy-board for photographic projection printing having hingedly attached thereto an adjustable masking frame, one or more margins of a sheet of photographic material can be gripped between a depressible section of the copy-board surface and a lip extending over the edge of the depressible section, the latter being pressed towards the lip by a resilient means. The depressible section, although not necessarily hinged, is provided in the manner of a trap-door and the aperture in which it is mounted has two mutually perpendicular rectilinear edges with depending faces which provide locating abutments for the edges of the sheet material. As shown, a base board 2 has a trap-door section 3 hinged thereto at 12 and resiliently urged towards lip 15 by leaf-spring 16. Section 3 is depressible by handle 17. Frame 19 carrying adjustable masking strips 21 is hinged to board 2 at 20. An alternative form for the depressible section is as a right angle triangle hinged along the axis x. Alternatively section 3 may be supported by a plurality of springs and hinges 12 omitted.
Patent GB-908009-A (GB)
Title: Improvements relating to underground tanks
Inventor: ORDELT HERMANN
IPC: B65D90/24
Filed: 1961-08-02
Abstract: 908,009. Laminates. BRITISH PETROLEUM CO. Ltd. Aug. 2, 1961 [Aug. 5, 1960; Nov. 14, 1960], No. 28048/61. Class 140. [Also in Groups XIX and XXIX] A casing which is mechanically resistant and proof against corrosion comprises a foil 3 which is resistant and impermeable to petroleum covered so as to be airtight inside and outside by board 5 which is treated with petroleum products. The foil may be 99.5% aluminium between 0.1 mm. and 1.0 mm., preferably 0.3-0.4 mm. thick, or it may be of a plastic such as synthetic rubber. The board 5 is bitumen board and 6 and 7 are layers of bitumen. The casing is used to prevent seepage from a buried tank (see Group XXIX).
Patent GB-339017-A (GB)
Title: Pouring trough for centrifugal metal-casting apparatus
IPC: B22D13/10
Filed: 1929-09-16
Abstract: 339,017. Ferric Engineering Co., (Assignees of Carrington, F. G.). Nov. 7, 1928, [Convention date]. Metal - pouring.- A trough for depositing metal helically ing a centrifugal mould is shaped so that the falling stream is deeper than it is broad. The trough 13, which may be of steel or other suitable refractory material, has a liner 14 of steel, cast iron, fireclay &c. and a spout 15 of similar material. The spout has a bottom 18, which slopes down more rapidly than the trough and ends in a slot 19, and sides 21 which at first close in and then widen at 22.
Patent GB-312015-A (GB)
Title: Device for stopping delivery in spinning and twisting machines on the breaking of the thread
IPC: D01H13/18
Filed: 1928-10-01
Abstract: 312,015. Tr³mbach, J. von. Oct. 1, 1928. Delivery, stopping.-In devices of the kind comprising gripping-members operated by a tripmember or detector lever upon breakage to trap the yarn, the gripping-members are geared so that they move together when the trip-member is released. As shown, the yarn normally passes through the space formed by recesses i in geared rollers b, b<1>, but upon breakage a detector a falls whereby the rollers are rotated and grip the end by means of the wide teeth beyond the recesses. A pawl c is adapted to engage a recess d and hold the rollers during piecing.
Patent GB-1357294-A (GB)
Title: Radiation detector
IPC: G01R21/04
Filed: 1972-06-15
Abstract: 1357294 Measuring electromagnetic field strength NARDA MICROWAVE CORP 15 June 1972 [19 Nov 1971] 28153/72 Heading G1U In a radiation detector as described in Specification 1326243, thin resistive films 37, 38 are joined to form a thermocouple and are chosen of such length as to function as a dipole. The thermocouples may be arranged in series Fig. 7 (not shown) or in zig-zag fashion to form an array, Fig. 8 (not shown). A second pair of elements may also be used, arranged at right angles to the first pair of films, and also a further pair orthogonal to both.
Patent GB-210128-A (GB)
Title: Improvements in and relating to electric riveting machines and processes
IPC: B21J15/10
Filed: 1922-10-17
Abstract: 210,128. Ellis, G. B., (Murray, T. E.). Oct. 17, 1922. Riveting; solenoid actuating-mechanism. - In an electric riveting machine the advance of one of the upsetting-tools closes a switch thereby causing a subsequent closing of the circuit through the rivet, which softens, thus permitting a further advance of the tool to upset the rivet. The work, which may comprise a porcelain plate 2, Fig. 5, metal strip 1 and a rivet 3 with a hollow shank, is held by a spring-pressed block 16 of yielding material against an electrode 5. An electrode 8 is then moved up, under control of a dash-pot 26, Fig. 2, by a solenoid 20 which is energized by operating a two-way switch 28, the circuit being completed through one of the switches 32, 34, Fig. 5, these being operated automatically, as described below, so that one is closed when the other opens. This movement of the electrode 8 acts, through guide rods 14, lever 79, Fig. 4, adjustable projection 81 and catch 82, to release a spring- actuated lever 83 and close a switch 65 which completes a circuit through a switch 64, normally closed, and a control solenoid 36, Fig. 5. The core of this solenoid thereupon closes the switch 59, Fig. 4, of the transformer primary 54 causing current to flow through the rivet which, becoming soft, allows the electrode 8 to advance again. This movement acts through a guide rod 13, lever 69, adjustable projection 71 and catch 72 to release a spring-actuated lever 73 and open the switch 64_, thus stopping the current through the control solenoid and allowing a spring to open the switch 59 thus cutting off the heating current, and, by means of cams 46, 47 moved by a pawl 44, reversing the switches 32, 34 so that the solenoid 20 is de-energized and the electrode 8 &c. are returned by springs 15. Slotted links 78, 88, carried by the levers 69, 79, return the switches 64, 65 to their original positions and reset the catches 72, 82. The apparatus is then ready for a second operation by moving the switch 28 in the opposite direction. In modifications, various motors or drivers may be used in place of the solenoids 20, 36, the machine may be arranged horizontally, either or both electrodes may move and either or both be replaced by mere upsetting tools, other electric conductors being employed. The solenoid 20 may be controlled by the hand switch 28 only, acting through a relay switch A, B, Fig. 14, so that pressure of the electrode 8 is not stopped directly the heating current is cut off and this electrode will continue to advance until arrested by the cooling rivet. It is then returned by reversing the switch 28.
Patent GB-652194-A (GB)
Title: Improvements in the preparation of sweet syrups from flours or starches
Inventor: HORWOOD MAURICE
IPC: C12P19/14
Filed: 1948-10-30
Abstract: Sweet syrups are made from starchy flour, e.g. wheat, rye, maize or malt flour by mixing it with water and subjecting the mixture to a two-stage conversion firstly with a diastatic enzyme or enzymes and secondly with maltase.  The latter may be prepared from cultures of Aspergillus, Penicillium, Mucor or Rhizopus moulds, e.g. Aspergillus niger or Aspergillus oryzae, and may be added to the mixture when the temperature of the latter is between 50 DEG  and 65 DEG C. and its pH is between 5.0 and 5.6.  The product may be concentrated in vacuo at temperatures not exceeding 50 DEG C. or by spray drying to contain 75 to 80 per cent solids by weight. Specifications 517,892 and 559,492 are referred to.  The Provisional Specification describes also processes in which the syrups are made from starches, e.g. maize, starch and maltase is obtained from Fusarium moulds.
Patent GB-1331206-A (GB)
Title: Vane structure for gas turbine
IPC: F01D5/18
Filed: 1972-06-16
Abstract: 1331206 Gas turbine blades WESTINGHOUSE ELECTRIC CORP 16 June 1972 [30 July 1971] 28241/72 Heading FIT A gas turbine stator blade 15 has a liner 58 having a row of oblong holes 73 which direct cooling air from the liner interior against the internal surfaces of the blade leading edge 62 and an indented portion 75 having a row of circular holes 76 which direct cooling air at an angle to the adjacent blade flank. A further row of holes 79 may be provided in indented portion 78. Liner 58 is spaced from the blade walls by dimples 88 and chordwise ribs 89, (90), Fig.4 (not shown) on the liner, the cooling air from holes 73, 76, 79 flowing through the gaps thus defined towards exit holes 84 in trailing edge 63. A resilient element 81 is provided at the downstream end of liner 58 to assist positioning of the latter and sealing. Element 81 has holes 83 for the passage of cooling air. The second stage stator blades 19 are each provided with a liner 97 similar to liner 58 except that, whereas the inner end of liner 58 is closed by a plate 85, liner 97 has tubes 125 which direct some of the exiting cooling air inwardly towards seal structure 53. The cooling air for liners 58, 97 is supplied from chamber 31 in casing 11 via tubular inserts 30, 48 respectively. The turbine includes a segmental shroud 38 surrounding the tips of rotor blades 13 and urged inwardly by a spring within insert 40. The latter provides a path for cooling air from chamber 31 to cavity 41.