baber/WOPTO huggingface dataset:
Patent GB-563794-A (GB)
Title: Improvements relating to multivibrators
IPC: H03K3/08
Filed: 1943-04-08
Abstract: 563,794. Electric follow-up systems. FERRANTI, Ltd., and WOOD, H. April 8, 1943, No. 5008. [Class 40 (i)] [Also in Group XL] A multivibrator of the type having a screening grid and the anodes and control grids crossconnected by condensers, is provided with means for applying a high positive potential to the screen grid of each of the valves during its conductive periods and the low positive potential during its non-conductive periods. As shown, the screen potential is arranged to vary in the required manner by the resistances 20, 21 cross-connected from the screen grid of one valve to the anode of the other valve. In this way the amount of negative potential required to be applied to the control grid is reduced for effective control. The invention is applicable to operating automatic follower mechanism so that movement of the controlling member may cause corresponding movement of the controlled member. In such a case, energizing windings of two electromagnetic clutches are included in the anode circuits and arranged to drive shafts in opposite directions according to which valve is energized. With the controlling member and the controlled member in correspondence the valves conduct alternately and no resultant motion of the shaft occurs. With lack of balance the potential derived from the deviation causes the operation of one or other valve and the driving of the follower mechanism to correct the deviation.
Patent GB-640155-A (GB)
Title: Improvements in and relating to electronic discharge devices
IPC: H01J19/34
Filed: 1947-02-27
Abstract: 640,155. Discharge apparatus. STIVIN J. Feb. 27, 1947, No. 5721. Convention date, Dec. 11, 1945. [Class 39 (i)] The cathode and grid leads 6, 7 of an electric discharge tube having an external anode 1 are suspended in separate extensions 5, the bottom metal parts of which fit into the cover 3 of the anode vessel 1. The tapered rim of the cover 3 fits into the conical rim 2 of the anode vessel 1 and is secured by rolling and welding but alternatively may be sealed with tin, solder or other low melting alloy. The tapered lower ends of extensions 5 are' similarly secured and sealed in seats 11 on the cover, nuts 12 on the cylindrical ends 13 of extensions 5 giving additional rigidity. The container 20 is filled with oil and closed by a cover 21 having lugs 22, 23 through which pass the leads. A cooling jacket 24, 25 contains water flowing from entry 26 to outlet 27. The grid 30 is wound round grid carriers 31 secured to lead 6 and the cathode has its filaments divided into several parts in series looped between supporting rods. Cooling by air passing through ribs on the anode may replace water-cooling. The Specification as open to inspection under Sect. 91 also refers to covering the sealing metal of the joints with salt or slag; and describes a double-loop arrangement for the filaments of the cathode. This subject-matter does not appear in the Specification as accepted.
Patent GB-197100-A (GB)
Title: Improvements in grates or gratings for street gullies, drain inspection covers and the like
IPC: E03F5/06
Filed: 1922-02-27
Abstract: 197,100. Pell, H. W. L. Feb. 27, 1922. Gratings. - A grating for a street gulley, drain inspection cover or the like, is constructed of a number of separate bars A of similar section, spaced apart by collars or plates B, and clamped together by nuts C on the screwed ends of rods passing through the bars A. The collars B may be of smaller depth than the bars A, which will then receive all the weight which occurs on the grating, and the ends of one of the rods may be extended as at D to form trunnions for a hinged grating. Specification 9701/94 is referred to.
Patent GB-846842-A (GB)
Title: Improvements in or relating to apparatus for polishing, or removing burrs from, metallic sliding clasp fastener members clamped on endless fastener stringer tapes
IPC: B24B9/00
Filed: 1959-02-19
Abstract: 846,842. Polishing slide clasp fasteners. NAGELE, K. F. Feb. 19, 1959 [Feb. 25, 1958], No. 5765/59. Class 60. Apparatus for brushing, polishing or removing the burrs from the tip edges of metallic slideclasp fastener elements after their assembly on a beaded tape comprises a steel wire brush or brushes 5, 6, and a rotating drum 3 having a peripheral speed exceeding the speed at which the fastener strip 1 is run off the assembling machine. The edge of the drum is recessed to accommodate the metallic elements 2, to allow the strip to lie flat, and to guide the elements 2 so that the portions extending beyond the tape project from the edge of the drum and are brushed, &c. as the strip is carried past the brushes 5, 6, the rotational axes of these being at right angles to that of the drum. The strip 1 is fed tangentially to the drum under a tensioning roller 12 mounted on a bell-crank arm 9b, the other arm 9a of which carries a roller which regulates the tension of the strip as it leaves the drum. An adjustable spring 13 controls the tension and speed of the strip in contact with the periphery of the drum. The brushes, when two are employed, are spaced apart and so arranged that their medial planes make an angle with the diametral plane of the elements passing the brushes so that one side of each element is brushed by one brush and the other side by the other brush. A tension-measuring and regulating device, Fig. 4, may be interposed between the feed from the fastener strip assembly machine and the pulley 12, the strip being fed over guide-rollers 16, 17, 18, the roller 17 being mounted on a spring-tensioned lever 19 which also serves as an indicator, with its free end moving over a calibrated scale 22.
Patent GB-964863-A (GB)
Title: Improvements in or relating to the packing or preserving of apples and the like in solid form
IPC: A23B7/00
Filed: 1963-02-13
Abstract: Apples and other fruit or vegetables to be preserved and packed in solid form, are immersed after peeling, coring and slicing in hot water at a temperature between 170 DEG  F. and 205 DEG  F. for approximately two minutes, the apples &c. are then immersed in water at a temperature of approximately 212 DEG  F. for approximately two minutes and loaded into a sterilsed can or other container, and residual air is expelled by the addition of boiling water prior to sealing.  The can or other container is loaded to its utmost capacity, the apples &c. being pressed down by hand with a heated sterilsed ram, in order to ensure a temperature of at least 190 DEG F. at the centre of the pack an electrically-heated metal rod is inserted, being removed as the boiling water is added, and the cans are then sealed by double seaming after which they are immediately immersed in cold water.
Patent GB-836194-A (GB)
Title: Improvements in and relating to piezoelectric accelerometers
Inventor: FOWLER PETER HUGH
IPC: G01P1/00
Filed: 1956-02-24
Abstract: 836,194. Accelerometers. ENGLISH ELECTRIC CO. Ltd. Feb. 20, 1957 [Feb. 24, 1956], No. 5786/56. Class 40 (1). An accelerometer contains two similar piezoelectric crystals cut from the same parent crystal and arranged so that their outputs due to thermal effects cancel out. Fig. 1 shows two similar semi-circular crystals 2 and 3, cut from a circular disc of suitable material such as barium titanate, mounted in a casing 1. One of the crystals is loaded with a mass 4 and the crystals are electrically connected in parallel opposition. It is stated that the crystals may alternatively be connected in series. In a modification, four crystals are used, three being loaded and mounted in mutually perpendicular directions and the fourth used as a thermal correction for each of the other three. The desired effect may also be obtained from two dissimilar crystals by comparing a suitable proportion of the output of one with the output of the other in an external circuit. Electrical connection to the crystals may be made by using a small quantity of silver dust suspended in methyl ethyl ketone.
Patent GB-520924-A (GB)
Title: Improvements in or relating to safety mechanism for box wrapping and similar machines
IPC: B65B57/00
Filed: 1939-02-21
Abstract: 520,924. Machinery guards. BRITISH CARDBOARD BOX MACHINE CO., Ltd., and MACFIE, W. L. Feb. 21, 1939, No. 5808. [Class 80 (iv)] A box-wrapping machine &c. is provided with a plate guard 12 which when depressed by an operator's hand &c. withdraws a lever 24 from a spring-pressed pivoted yoke member 27 to permit the latter to move a continuously-rotating cam 33, slidably mounted on the driving shaft 32 of the machine into the plane of a clutch-' operating lever 34 to actuate the latter and stop the machine. Both the lever 34 and the usual clutchoperating pedal 34c are mounted on a shaft 34b which is connected to clutch member 38 by a link 35, toggle 36, and rod 37, the clutch member being associated with a driving pulley 39 and preferably also with a fixed brake 40. The guard is coupled to the lever 24 by an adjustable link 17, a spring-controlled link 20, lever 21 and link 23, and an arm 27a of the yoke member is provided with an enlarged end 29b in contact with an arm 43 of a re-setting lever 41 which, when the machine is stopped by depression of the guard, is actuated to return the yoke member and cam 33 to normal position, against the pressure of a spring 29, and permit movement of the guard and lever 24 to operative position.
Patent GB-491217-A (GB)
Title: Improvements in or relating to gun mountings particularly for machine guns and automatic rifles
IPC: F41A27/06
Filed: 1937-02-26
Abstract: 491,217. Gun mountings. MOTLEY, L. Feb. 26, 1937, No. 5818. [Class 92 (i)] A gun mounting particularly for machine guns and automatic rifles comprises a rotatable gunner's seat 1 and a gun or gun-supporting part 14 which swings both for training and elevation independently of the seat and passes on one side of the gunner to his rear where it is pivotally supported. The arrangement permits of direct manipulation of the gun about an axis Z for elevation and an axis Y for training, these axes being able to swing also about the axis X of the gunner's seat. In the form shown, the gun is detachably connected by fittings 2, 3 to an arm 14 hinged on the axis Z to the upper part of a pillar 16 mounted for rotation about axis Y in a bearing 17 integral with the base 10 of the seat 1. The spindle 4 depending from the base of the seat is rotatable in bearings 7, 8 supported by a tripod 6. The gun support 14 is made telescopic and the weight of the gun is counterbalanced about the axis Z by springs 19 connected at their lower ends to a sleeve 21 moving with the pillar 16. In a modification, the gun is supported from the fitting 2 by a gimbal joint which also permits of rotation of the gun about its own axis.
Patent GB-731002-A (GB)
Title: Process for the manufacture of organic hydroperoxides
IPC: C07C409/10
Filed: 1953-03-03
Abstract: The process of the parent Specification, in which organic hydroperoxides are produced by oxidizing an alkyl-substituted aromatic compound of the formula <FORM:0731002/IV (b)/1> wherein R1 and R2 are alkyl groups, and Ar is an aryl or substituted aryl group, intermittently and alternately with ozonised oxygen, or gases containing same and non-ozonised molecular oxygen or gases containing same, is carried out with the oxygen under a substantial positive pressure.  The process is preferably carried out under pressures of 3-5 atmospheres between temperatures of 40-80 DEG  C. in presence of sufficient alkali or acid-binding substance to neutralize any acids produced and in presence of catalysts in the form of an inorganic or organic peroxide (e.g. barium, benzoyl or acetyl peroxide, or cumene hydroperoxide), or an inorganic oxide or hydroxide, or sodium stearate, some of which may also function as the acid-binding agent. The process is preferably conducted by adding fresh starting material continuously or discontinuously to the reaction mixture, a corresponding amount of the reaction mixture being continuously or discontinuously removed.  The examples describe the preparation of isopropyl benzene hydroperoxide and di-isopropyl benzene mono-hydroperoxide.
Patent GB-216232-A (GB)
Title: Improvements in spring hinges
IPC: E05D3/00
Filed: 1923-02-28
Abstract: 216,232. Bommer, E. Feb. 28, 1923. Spring hinges with the barrel or barrels and integral side flap members made from a sheet metal blank 1 of uniform thickness and without overlapping strengthening parts have strengthening ribs formed by applying a compacting pressure at 4, 5 by dies to compress the material and produce an indented crimp or groove and a consolidation of the molecules of the material at 24 below the crimp extending along the entire length of the web adjacent to each of the barrel members 2, 3. The construction may also be applied to a spring hinge formed with a single spring barrel.
Patent GB-349460-A (GB)
Title: Improvements in or relating to combustion chambers of internal combustion engines
IPC: F02F1/36
Filed: 1930-02-22
Abstract: 349,460. Combustion chambers. WHATMOUGH, W. A., 3, Norman Court, Station Road, New Barnet, Hertfordshire. Feb. 22, 1930, No. 5950. [Class 7 (ii).] A combustion chamber has a continuously curved wall 14, as described in Specification 319,810, [Class 7 (ii), Internalcombustion engines, Arrangement &c. of], in the neighbourhood of the inlet and exhaust valves 30, 31, but the passage 35 leading to the cylinder has flat sides 36 and a flat or slightly curved base 37 ; the minimum extent of the curved wall 14 is indicated by dotted lines 11, 12 ; the roof may also be curved over the valves and flat over the passage 35 and its shape.is such that when a valve is fully open the clearances indicated by arrows in Fig. 1 are all equal. The sides 36 mav be at right-angles to, or converge towards, the base 37 which may be formed as a groove in the cylinder block and slope as described in Specification 326,454, [Class 7 (ii), Internal-combustion engines, Arrangement &c. of] ; the chamber may be partially formed by a gasket placed between the head and block. One side 36 only may be flat, the chamber being formed as described in Specification 329,340, [Class 7 (ii), Internal-combustion engines, Arrangement &c. of] ; the exhaust valve only may be at the side, but the sparking plug is always arranged adjacent the exhaust valve.
Patent GB-842561-A (GB)
Title: Loudspeaker construction
IPC: H04R9/06
Filed: 1958-02-24
Abstract: 842,561. Loud-speakers. KAGDIS, W. A. Feb. 24, 1958 [Nov. 21, 1957], No. 5951/58. Class 40 (4). A diaphragm secured about a flexible periphery is driven by two moving coils mounted on a former carried for axial displacement by two spiders and each of the coils is positioned to work in a magnetic field provided by a magnet individual to the coil. As shown in Fig. 1, magnets 38 and 40 are supported in a basket frame 12 to face one another coaxially. A tubular former 44 is supported by flexible discs 60, 62, and is secured to the neck of a diaphragm 28 which is connected about its periphery to the basket 12. The length of the coils may be placed centrally in the air gaps, or may be symmetrically offset, and in either case may be longer than the air gaps. The leads to the coils are stuck to the former and may connect the coils individually to terminals or together in series or parallel. In place of a basket frame 12 comprising opposed cones, one shallow cone may be made to lie inside a deeper cone (see Fig. 6, not shown). A single diaphragm may be driven by a number of pairs of coils and magnets, as described above, all the axes of the pairs lying parallel to one another. Two single coil and magnet loud-speakers may be used to construct a loud-speaker according to the invention by removing one diaphragm and connecting the coil formers at the ends of a cylinder of balsa wood with the loud-speakers connected face to face.
Patent GB-1399831-A (GB)
Title: Laminated materials
IPC: B32B27/00
Filed: 1971-03-04
Abstract: 1399831 Laminates CALIGEN FOAM Ltd 2 June 1972 [4 March 1971] 5982/71 Heading B5N The bond strength of a flexible polyurethaneadhesive bonded laminated sheet material is improved by forming the laminated material and then heating the previously formed material when in a dry state to a temperature of at least 100 C. The treatment may be applied to a laminate comprising a layer of polyurethane foam, preferably having a thickness of 1¢ mm or less, bonded by flame bonding or by means of a polyurethane adhesive to one or more layers of flexible material, e.g. cotton, viscose rayon, acetate rayon, nylon, polyester or acrylic fabric, paper, leather cloth which is textile fabric coated with polyvinyl chloride, polyvinyl chloride or aluminium foil. Pressures of 20- 100 lbs/inch<SP>2</SP> may be applied to the material during heating. Heating may be effected by passing the laminated sheet material over heated rollers or through a hot air oven or by infra-red heating. In the examples the laminates treated comprise a layer of polyurethane foam, which may be reticulated, bonded to layers of (a) loop raised warp knitted nylon fabric and nylon tricot lining fabric, (b) acrylic face fabric and nylon tricot lining material, (c) knitted acrylic single jersey material and acetate warp knitted tricot, (d) knitted polyester/cotton blend face fabric and nylon tricot lining material and (e) acrylic/wool knitted face fabric and double knit jersey knitted acetate lining fabric.
Patent GB-254260-A (GB)
IPC: G09F21/04
Filed: 1926-03-03
Abstract: 254,260. Horowitz, J. June 25, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Reel and non-endless web apparatus; actuating and controlling.-A notice or advertisement band 10 is wound on and off drums 1, 2 by compressed fluid admitted intermittently to a cylinder 12. The piston 13 carries a cross-head 17 to which are pivoted two pawls 18 which engage teeth uniformly arranged along an endless chain 8 passing over sprockets 9<a> on the drums. The pawls 18 are brought together by gravity or springs and force the chain 8 along during the upward motion of the piston 13, and are separated by fixed stops 19 so as to ride over the chain teeth when the piston descends under gravity or spring action. A release valve is fitted to allow escape of fluid from the cylinder 12. A detent 21 fixed to the cross-head 17 engages pins 22 on the drum 1 at the top of the piston-stroke to register the band 10. Reversal of the band motion is effected by duplication of the cylinder etc. on the opposite side of the chain 8. When the apparatus is fitted to a vehicle compressed air may be produced at the required occasions by a track projection 23, Fig. 7, which engages a pivoted lever 24 and forces in the piston-rod of one of two cylinders 28, 29 against the action of a spring 31. On passing the projection 23 the spring returns the piston and the compressed air is admitted to the requisite cylinder 12.
Patent GB-709669-A (GB)
Title: Improvements in fixed clothes line supports or poles
IPC: D06F53/04
Filed: 1952-03-07
Abstract: 709,669. Clothes poles. MACKENZIE, L. K. March 9, 1953 [March 7, 1952], No. 6026/52. Class 52(5) In making a clothes pole of concrete prestressed by high tensile steel wires b embedded in the concrete and maintained under tension, a T-shaped ferrule c is fitted towards one end of the mould the three branches d being internally threaded to provide sockets for pegs f. Towards the other end of the mould reinforcing elements g are provided.
Patent GB-128685-A (GB)
Title: Improvements in Warming and Ventilating Gas Stoves.
Inventor: LAYCOCK HORACE SCOTT
IPC: F24C3/00
Filed: 1918-04-09
Abstract: 128,685. Laycock, H. S., and Ogle, P. J. April 9, 1918. Air-heating stoves.-A gas-stove for heating air for ventilation consists of two casings b, c enclosing a narrow space in which air, entering by a duct h, is heated by an atmospheric gas burner d passing through the bottom of the inner casing in such a manner as to exclude from it all air other than that which passes through the burner. The upper end of the annulus is preferably slightly wider than the lower end to permit the air to expand as it becomes heated. In a modification, the annulus is replaced by a series of narrow vertical channels The air is distributed by a baffle n, and the combustion products are removed by a pipe g. In another modification, Fig. 4, the door i, which, with the door c, affords access to the burner d, is connected by a link m with a pivoted damper k, which is closed as the door i is opened.
Patent GB-968276-A (GB)
Title: Improvements in or relating to electrical switches
Inventor: JACKS ERIC
IPC: H01H21/06
Filed: 1960-02-20
Abstract: 968,276. Indicators for switches. ENGLISH ELECTRIC CO. Ltd. Feb. 1, 1961 [Feb. 20, 1960], No. 6057/60. Heading H2B. A switch in a casing 10 has an operating handle 17 coupled to an ON/OFF indicator 20 visible through a window 21 in a hinged door 11. A second indicator combined with means for locking the switch in the off position comprises a slide 24 mounted on the inside of door 11 as shown. When slide 24 is moved by means of a lip 28 to locate a ball catch 26 in a hole 27 in the slide, the end 30 (bearing a suitable legend) is interposed between the indicator 20 and window 31, and when the door 11 is closed a lug 29 on slide 24 overlies a lug 22 on indicator 20 to prevent closure of the switch. A conventional cylinder lock 12 is provided on door 11. Should the door 11 be closed with the indicator 30 in the "locked off" condition and the switch " on " the lug 23 of indicator 20 engages lug 29, Figs. 3 to 5, not shown, to force slide 24 back to the inoperative position, thus allowing the " ON " indication to show through window 21.
Patent GB-417028-A (GB)
Title: Improvement in tooth brushes
IPC: A46B5/00
Filed: 1934-02-24
Abstract: 417,028. Brushes; hand-tool handles. COLE, W. H., 2807, North East 8th Avenue, Portland, Oregon, U.S.A: Feb. 24, 1934, No. 6121. [Classes 19 and 61 (i).] The bristles of toothbrushes are enclosed in a hinged casing 6, 7, Fig. 1, which can be slid along the handle to form a continuation thereof, Fig. 4. The casing 6, 7, Fig. 2, is pivoted at 15 to a slotted handle 3. Parts 14 snap over rivets 15 to enclose the bristles. Alternatively, the casing can be slid along the handle to the position shown in Fig. 4, when the part 17 snaps into a notch 21 in the handle. Ventilation holes 18 are provided to aerate the brush.
Patent GB-752117-A (GB)
Title: Processes and alloys for bonding titanium-base metals to other metals and alloys
IPC: B23K35/30
Filed: 1954-03-02
Abstract: An alloy for brazing titanium-base metals to titanium-base metals or metals and alloys (see Group XXII) consists of at least 65 per cent by weight of either a binary alloy of 66-70 per cent Ni and 30-34 per cent Ti or a binary alloy of 20-36 per cent Ni and 64-80 per cent Ti, the balance if any being Cu or Ag.  The alloy may also contain 2-15 per cent of Cr, Mn, Co, Fe or Be and the preferred binary alloy is one of the Ni-Ti eutectics viz. 66 per cent Ni, 34 per cent Ti or 28 per cent Ni, 72 per cent Ti. The alloy may be used in the powdered form and, when the binary alloy is of eutectic proportions, up to 6 per cent powdered Ti may be mixed with powdered alloy.  The Specification also refers to the following titanium-base alloys: Cr 2,7 per cent, Fe 1,4 per cent, Ti the balance; Mn 4 per cent, Al 4 per cent, Ti the balance; Cr 5 per cent, Al 5 per cent, Ti the balance.  U.S.A. Specification 2,184,769 is referred to.