baber/WOPTO huggingface dataset:
Patent GB-321435-A (GB)
Title: Improvements in concrete building blocks and methods of making same
IPC: B28B1/52
Filed: 1928-07-07
Abstract: 321,435. Palmer, H. S. July 7, 1928. Compound and faced blocks. - Concrete building blocks 10 are faced on one or more sides during the moulding with a thick layer or sheet 11 of sugar cane fibre or like fibrous sticky material which unites with the plastic concrete and waterproofs it. The layer 11 may be placed at the bottom of the mould, or may be a continuous sheet extending all round the block; it serves as a pallet on which the moulded block may be removed, and may form the interior finish of a wall or be plastered, papered, or painted.
Patent GB-466076-A (GB)
Title: A new or improved metal box
IPC: B65D43/02
Filed: 1936-07-17
Abstract: 466,076. Boxes. WUEST, C. July 17, 1936, No. 19825. [Classes 18 and 66] The lid of a sheet metal box has a semicircular portion of reduced diameter, the ends A<1> of this portion acting as fulcra to enable the box to be opened readily. The lid is provided with a marking at B, where pressure has to be applied to open the box. Reference has been directed by the Comptroller to Specification 101,842, [Class 18].
Patent GB-447586-A (GB)
Title: Methods of promoting the growth and activity of microorganisms
IPC: C12N13/00
Filed: 1935-07-11
Abstract: Micro-organisms irradiated with electro-magnetic waves from 1,8 mms. to 120 metres as in the parent Specification, are caused to develop in a series of cultures obtained by consecutive inoculation from one to the other of a series of substrata.  Any, or all of the series may be further irradiated.  In examples, saccharomyces cerevisiae and clostridium butyricum are irradiated with various wavelengths between 4 and 15 metres.
Patent GB-1036158-A (GB)
Title: Improvements in aerials
Inventor: MARKS RALEIGH WILLIAM
IPC: H01Q19/30
Filed: 1963-05-20
Abstract: 1,036,158. Aerials. NORTH WESTERN SPECIALITIES Ltd. Aug. 18, 1964 [May 20, 1963], No. 19901/63. Heading H4A. In an aerial assembly of a kind suitable for U.H.F. TV a boom 10, Fig. 1 (not shown), carries an active element F, directors D, and a slotted or perforated reflector plate R, the latter being so mounted that it may be folded down for transit (Fig. 2, not shown). As described, the boom 10 is made of square cross-section metal tubing, the directors are carried by insulators I secured to the boom by bolts 11 and the active element F is a folded dipole, stamped from metal in strip form with strengthening flanges f, which is bolted to the boom at the centre of its closed side, the ends of its open side being connected to one part of a junction box 12, the other part of which carries the feeder cable. The reflector plate R has two series s, s<SP>1</SP> of slots parallel to the aerial elements and separated by a portion of plate in which is another slot S, at right-angles to them, through which the boom 10 passes. A channel-shaped bracket 14 containing a channel-section insert is fastened to the reflector plate R and is pivoted to the boom by a pin P, its ends being formed so as to clip around the boom and hold the reflector when in its operating position at right-angles thereto. In another embodiment (Fig. 3, not shown) two aerial assemblies of this kind are stacked, insulating blocks being used to secure the open ends of each folded dipole, which are connected by two metal tubes carrying a central cable junction-box. Instead of the bracket 14 being formed with clips to grip the boom 10 it may be held in position by a hook bolt which passes through holes in the boom. The active element may be of other than folded dipole form, e.g. a " bow-tie " or " batswing." The insulators I may be omitted, and the directors and the active element may be arranged to fold against the boom 10 for transit.
Patent GB-1002590-A (GB)
Title: Vegetable cutter for kitchen machines
IPC: B26D1/29
Filed: 1962-05-24
Abstract: 1,002,590. Vegetable cutting machines. ELECTROLUX A.B. May 24, 1962 [June 6, 1961], No. 19962/62. Heading A4C. A vegetable cutter of the type having a cutting or tearing disc 5 detachably fastened to a shaft supported vertically in the cover 2 of the vegetable cutter and drivably connected, through the bottom of the container 1 of the cutter, with a shaft on a kitchen machine, has the shaft formed as a stub shaft 6 which extends through the cover 2, is threaded at its lower end 7, and passes through a central hole in the cutting disc 5. An extension shaft 13 engages with the threaded end 7 of the stub shaft 6 and serves as a fastening nut for fixing the disc 5 to the stub shaft. The disc 5 is keyed to the shaft 13 by an extension 16 which engages a corresponding groove in the shaft 13. A cap 9 is provided on the upper end of the stub shaft 6 and a feed hopper 4 is provided in the cover 2. Knives 21 and 22 are provided on the disc 5 suitable for chipping potatoes.
Patent GB-583293-A (GB)
Title: Improvements in or relating to sliding safety guards and doors, particularly for power operated machines
IPC: F16P3/04
Filed: 1944-10-16
Abstract: 583,293. Machinery guards. KENNARD, S. V. Oct. 16, 1944, Nos. 19983/44 and 2553/45. [Class 80 (iv)] A slidable machine guard 1, Fig. 1, is fitted at one side with a notched member 4 adapted to control a slide 13 which normally prevents movement of the starting pedal 14. A bellcrank lever 6 carries at one end a roller 7 and at its other end is connected by a part 8 to the core. 9 of a push-pull cable having a cover 10. The other end of the core is connected to the slide 13 while the cover 10 is attached to the housing 12, and a spring 11 is disposed between the part 8 and the cover 10 to. urge the roller 7 into contact with the edge of member 4. Thus, when the guard is open, i.e., elevated, the spring 11 holds the slide 13 to prevent movement of the pedal 14. When the guard is closed, the final movement thereof allows the roller 7 to enter the notch 5 in the member 4, the lever 6 is therefore rotated and the slide 13 withdrawn from the path of the pedal 14. To prevent movement of the guard while the machine is working, a second member 16 on the guard 1 co-operates with a bell-crank lever 18, push-pull cable 20, 21, and slide 23. Thus, movement of the guard, when the ram, e.g., 15, of the machine is down, tends to rock lever 18 and displace slide 23. This is prevented by the slide 23 abutting a member 25 on the ram. When the machine is stationary and the guard raised, the slide 23 is displaced so that it is in the path of downward movement of the ram 15. In a machine having two guards, e.g., front and rear, the guards 1 and 1<2> are connected through a lost-motion device, comprising a pin, on a part 32 connected to the core 30 of a push-pull cable controlled by a rocking lever 28, working in slot 33 in a part 34 mounted for rotation with the lever 6. Hence guard 1<2> must be closed before guard 1, and guard 1 must be opened before guard 1<2>. In a modification, the guard 1<3>, Fig. 2, is pivoted on an axis 36 and has attached to it a segmental member 37 having a notch 38 adapted to engage a roller 40 on one arm of a three-armed lever 39. The other arms of the lever are respectively connected to the cores 42, 49 of push-pull cables, controlling slides 45, 52 in the paths of starting pedal 46 and ram 53 respectively.
Patent GB-147938-A (GB)
Title: Subaqueous sound producer and receiver
IPC: G01S1/72
Filed: 1920-07-09
Abstract: 147,938. Signal Ges. Nov. 1, 1916, [Convention date]. Subaqueous audible signals.-Sound exciting or detecting forces are brought into play between a mass m1, fixed to the diaphragm a and an equal or smaller mass m2 supported on the diaphragm by springs f. In the construction shown in Fig. 1. an exciting or detecting magnet acts between the two musses, while in the receiver shown in Fig. 2, the two masses form the electrodes of a microphone. In estimating the masses m1, account must be taken of the effective mass of the diaphragm itself and of the water which moves with it, represented by the hemisphere z.
Patent GB-147941-A (GB)
Title: Improvements in subaqueous sound producers or receivers
IPC: G01S1/72
Filed: 1920-07-09
Abstract: 147,941. Signal Ces. Nov. 27, 1917, [Convention date]. Subaqueous audible signals. - A vibrating system consisting of masses M, m connected by an elastic member S<1>, S<2> may be coupled to a diaphragm A with different degrees of closeness (so that the diaphragm has any desired damping effect on the system) by locating the point of coupling at different distances from the nodal point o. The two masses may both be arranged on the same side of the diaphragm. The invention is applicable both to transmitting and receiving apparatus.
Patent GB-652373-A (GB)
Title: Improvements relating to sewage settling tanks
IPC: C02F1/52
Filed: 1947-07-25
Abstract: 652,373. Agitating appliances. FARRER. Ltd., W. E., and ROOKE, G. M. July 25, 1947, No. 20022. [Class 86] [Also in Group I] In a circular settling-tank for sewage one or more radial arms f are attached to a rotating post c to which scraper arms d are also connected, the arms f having bars h with dependent flocculating paddles g secured to spindles i. The spindles i are rotated by gearing m driven through spindles k by wheels n rolling on a stationary track o. The rollers u may be replaced by toothed wheels. Specification 627,652, [Group I], is referred to.
Patent GB-1437762-A (GB)
Title: Process for coating metal parts
IPC: C23C10/60
Filed: 1974-05-07
Abstract: 1437762 Modifying Al-coated steel surfaces: aluminizing OFFICE NATIONAL DE ETUDES ET DE RECHERCHES AEROSPATIALES 7 May 1974 [7 May 1973] 20054/74 Addition to 1437267 Headings C7F and C7U In a process for applying a phosphate, chromate, Mg ion; and particulate p.t.f.e. coating to Al coated steel parts, as described in Specification 1437267, the Al surface is first coated with colloidal refractory particles, e.g. alumina, silica, magnesia or sodium aluminate. The steel parts may be aluminized by pack diffusion in a 20% Al, 80% aluminium oxide mixture with 3% anyhydrous aluminium chloride, by heating at 885‹F in a hydrogen atmosphere.
Patent GB-1282814-A (GB)
Title: Polythiophosphites and polythiophosphates
IPC: C07F9/201
Filed: 1970-04-27
Abstract: 1282814 Stabilizing polymers WESTON CHEMICAL CO Inc 27 April 1970 [24 June 1969] 20060/70 Headings C3P and C3Q [Also in Divisions C2 and C5] Compounds of the Formula I where n is 0 or an integer, R is a divalent aromatic, aliphatic or cycloaliphatic hydrocarbon, alkylidene bis-(carbocyclic aryl), aliphatic oxa hydrocarbon, aliphatic thiohydrocarbon, menthylene, terpinylene, phellandrylene, sylvestrylene, alkyl-substituted arylene or cycloalkylene, alkylidene bis.(cycloalkylene), cycloalkyl bis-(methylene) or arylene bis- (methylene), R 1  is alkyl, haloalkyl, carbocyclic aryl, halocarbocyclic aryl, alkenyl, carbocyclic aralkyl, alkaryl, haloalkenyl, cycloalkyl, methyl cyclohexyl, phellandryl, terpinyl or sylvestryl, X is sulphur and Y is absent, may be used as antioxidants for natural rubber or for a vinyl halide polymer or a mono- or polyolefin polymer. Specified polymers include polyethylene, polypropylene, EPDM rubber and polyvinyl chloride.
Patent GB-121292-A (GB)
Title: Improved Method of or Means for Obviating the Risks due to Failure of Insulated Joints or the like.
Inventor: ARTHUR REGINALD ANGUS
IPC: B61L1/18
Filed: 1918-12-05
Abstract: 121,292. Angus, A. R. Dec. 5, 1917, [Convention date]. Void [Published under Sect. 91 of the Act]. Electrical systems, automatic.-Relays are so connected to the conductors at insulated joints that failure of the insulation so affects the apparatus as to prevent current from passing to an instrument to which it should not pass, or passing in the wrong direction through an instrument through which it should pass. Fig. 1 shows the arrangement of a non-polarized relay 13, and Fig. 2 shows the arrangement of polarized relays. In both cases, the source of energy 7, 52, 69 is connected to the opposite track rails, one of which is divided into insulated sections 3, 4, 54, 71. At one end of the section, a section of rail 20, 35, 59, shorter than the distance between two axles of a train, is insulated from the main divided rail and is connected to the opposite rail by con. ductors 26, 36, 37, 60, 61. The relay is con. nected to the long and short sections of the divided rail. If either joint 100, 101 breaks down, the relay 13 is shunted and opens its armature contact. Similarly, the relays 46, 57, 73 are shunted if the joints 105, 91, 92 fail, and, in addition, if the conductors 60, 61 break, the relays will be connected in series and open the local circuit. Other modified arrangements are also described.
Patent GB-499041-A (GB)
Title: Improvements relating to apparatus for scraping and cleaning conveyor belts
IPC: B65G45/12
Filed: 1937-07-22
Abstract: 499,041. Endless - belt conveyers. HALL. H., and GENERAL ELECTRIC CO., Ltd. July 22, 1937, No. 20270. [Class 78 (i)] A scraper for removing material from a belt after the bulk has been discharged therefrom comprises a. strip of material, such as a hard wearing and abrasion resisting rubber compound, which is mounted on a spring-loaded rotatable member and adapted to be pressed against the belt by the spring loading on said member. The scraper 28, Fig. 3, is secured at one end by set screws to the outside of a tube 4, and its other end extends between a strip 25 and a plate 29 into contact with the belt 33. Pegs 37, Fig. 3, projecting from the tube engage holes in the scraper. The strip 25 is bolted to a bar 24 connecting a pair of arms 22, 23, which are pivoted at 20, 21 to end plates 10, 11 mounted on sleeves 14, 15. These sleeves are secured to the shaft 1 on which the tube is mounted by screws 16, 17. A screw 19 secures the sleeve 14 to a sleeve 18 to which one end of a coil spring 12 is secured. The other end of this spring is secured to the end cap 5 of the tube. The cap 5 has a hexagonal flange 13 which can be engaged by a tool to wind the spring, and also is formed with a ratchet 7 which is engaged by a pawl 8 mounted on the plate 10. Springs 31 bias the arms 22, 23. The ends of the shaft 1 are secured to supports 3. The scraper may be arranged obliquely to the belt when it is desired to be used as a plough for providing a side discharge.
Patent GB-1275864-A (GB)
Title: A servomotor
Inventor: GALL JEAN-CLAUDE LE
IPC: H02K26/00
Filed: 1970-04-28
Abstract: 1275864 Electric correspondence control systems J C LE GALL 28 April 1970 [28 April 1969] 20286/70 Heading G1N [Also in Division H2] A positional control system includes a servomotor 61 (see Division H2) driving a load 68, the servomotor comprising two synchronous motors fed with currents out of phase by an amount dependent on the difference between the actual and desired positions of the load 68. The motors are of the two phase type and are energized from a single phase source 62, the current for one motor being phase shifted by a resolver 64, best depicted in Fig.4 (not shown). The resolver is controlled by a servo-mechanism 72 in turn controlled by a position sensor 69 and an input control signal whose phase represents the desired angular position of load 68, applied to a comparator 70. The servo-mechanism comprises an amplifier (721) receiving error signal E 2  from a second comparator 71 and feeding one phase winding of a two phase servomotor (722) driving the resolver 64 through a speed reducer (724). A tacho (723) coupled to the servomotor (722) supplies the other input of the comparator 71.
Patent GB-193432-A (GB)
Title: Improved apparatus for removing impurities from air
IPC: B01D47/02
Filed: 1921-12-15
Abstract: 193,432. Taylor, W. H., and Shaw, C. Dec. 15, 1921. Filtering.-In air purifying or cooling apparatus comprising a clarifying liquid container, apertures 8 with gauze &c. coverings 9 and canopies 10 in the container sides through which air is induced, and a hood 5 with its lower end depending beneath the liquid level, filters 25 are adjustably mounted above the liquid. The filters, which may consist of porous segments of coconut matting reinforced by expanded metal, are slidably mounted in circular frames 22 supported upon a spindle 20, and may be removed for cleaning through openings 15 in the hood. The air outlet branch 14 may have a valve for regulating the flow of air.
Patent GB-148430-A (GB)
Title: Improvements in navigation by means of an alternating current cable located in the water
IPC: G01S1/02
Filed: 1920-07-10
Abstract: 148,430. Lichte, H. Dec. 30, 1918, [Convention date]. Drawings to Specification. Leader gear arrangements for assisting navigation.-The electric and magnetic fields of the cable induce currents in a system of conductors on the vessel, the resultant of these two currents actuating an indicating-instrument to show on which side of the cable the vessel is situated. The current induced by the magnetic field in a coil on the vessel arranged in an horizontal plane, differs in direction at any instant according to the side of the cable on which it lies. This coil is connected in series with a telephone or other indicator, and with a conductor between two electrodes arranged in the direction of the cable, in which conductor a current is induced by the electric field, the current at any instant being in the same direction on both sides of the cable. The two currents, therefore, reinforce one another on one side of the cable and oppose one another on the other side, the position of the vessel relative to the cable being thus determined by the operation of the indicating device. If the coil and the electrodes be joined by a change-over switch the currents may be made to reinforce or oppose one another, and with a predetermined arrangement the position of the vessel inferred from the position of the changeover switch. In the case of an iron vessel, the vessel itself acts as a conductor for current induced by the electric field, and sets up magnetic lines of force which may induce a current of constant direction in a coil. This may be combined with the current induced in a coil by the direct magnetic field of the cable, and the resultant current may operate an indicator to determine the position of the vessel.
Patent GB-1304193-A (GB)
IPC: G06V10/88
Filed: 1970-04-28
Abstract: 1304193 Pattern recognition THOMSON CSF 28 April 1970 [6 May 1969] 20440/70 Heading G4R In a symbol recognition system, a plurality of images of the symbol are projected using non-coherent light on to respective masks each subdivided into P continuous elongated parallel strips, each strip carrying a reference correlation function determined from a resolution of the possible symbols into portions, lenses passing the light from the strips on to phototransducing means. In one embodiment, the photo-transducing means for each strip is 5 photo-cells in a line parallel to the lengths of the strips, the largest of the 5 outputs being taken, thus compensating for misregistration of the symbol in the direction of the strip length. Misregistration in the orthogonal direction can be compensated by lines of photo-cells in the orthogonal direction. Weighted sums of the "largest outputs" are taken, one sum for each possible symbol, the sums being thresholded to identify the symbol. Weighting could be done optically with further masks in which ease the "largest outputs" are thresholded and combined in logic to identify the symbol. The "largest outputs" in the case of optical weighting can be fed to the above arrangements and, in parallel, to the circuits used in the case of electrical weighting, the final outputs of the two cases being combined in further logic to eliminate ambiguities and check consistency.
Patent GB-595551-A (GB)
Title: Improved polymerisation process
IPC: C08F2/18
Filed: 1943-12-09
Abstract: Vinyl chloride and/or vinylidene chloride polymers or copolymers are prepared by dispersing in an aqueous continuous phase containing a salt as hereinafter defined and an organic or inorganic acid, the amounts of said salt and acid being such that the pH is not above 7 and such as to maintain a two-phase reaction system at the temperature of reaction which is incapable of forming a permanent emulsion and then polymerizing by the action of heat and/or actinic light and/or a catalytic percompound together with agitation.  The salt is defined as a metallic or ammonium salt of an inorganic acid other than a persalt and examples given are the sulphates of aluminium, sodium, copper and cerium, ferric, stannous, stannic or sodium chloride, the bisulphate, sulphite or phosphite of sodium, ammonium nitrate and ferrous ammonium sulphate and the preferred amounts are from 0.1 to 8 per cent.  Acids specified are formic, acetic, propionic, citric, oxalic, hydrochloric, sulphuric, phosphoric and sulphurous acids and preferred amounts are from 0.1 to 2 per cent.  If the salt is an oxidising salt, a reducing agent such as diethyl sulphite or di-cyclohexyl sulphite may also be present, while if the salt is a reducing salt an oxidising agent such as tertiary butyl hypochlorite may be used.  Specified catalysts are ammonium, sodium or potassium persulphates and benzoyl or crotonyl peroxides.  Dispersing agents, protective colloids and like stabilizers, the sodium salt of sulphated lauryl alcohol, glucose and "Lanette" (Registered Trade Mark) wax may be present. Samples have been furnished under Sect. 2 (5).
Patent GB-381257-A (GB)
Title: Process and device for the production of footwear wholly or partly consisting of pressed rubber
IPC: B29D35/02
Filed: 1931-07-18
Abstract: 381,257. Indiarubber boots &c. DUNKER, H. C. L., 1, TegnÚrsgatan, Helsingborg, Sweden. July 18, 1931, No. 20628. [Classes 70 and 87 (ii).] A device for moulding rubber footwear comprises a sole mould g, side moulds h, and a last having a solid sole surface c and perforated sides b. The sole of the article is thus positively moulded between the parts c, g, while the moulding of the uppers is completed by fluid pressure applied to the interior of the last and forcing the uppers into contact with the side moulds h. To prevent escape of the pressure fluid a projecting rib k on the side moulds bears against a resilient ring l on the last. In an alternative form of the apparatus an expansible cover is fitted over the perforated sides of the last.
Patent GB-299915-A (GB)
Title: Improvements in secret signalling systems
IPC: H04K1/04
Filed: 1927-08-05
Abstract: 299,915. Standard Telephones & Cables, Ltd., (Western Electric Co., Inc.). Aug. 5, 1927. Inverting and transposing frequencies of telephone currents.-Speech currents to be scrambled or restored are passed through a limiting valve 34 with a high resistance in its grid circuit to filters FA - - FD which separate them into sub-bands which are then modulated to bring them to a common frequency. The sub-bands are led in any order, depending on the condition of key-controlled relays AA - - DD, to demodulators DA - - DD which convert them into a series of sub-bands with the original frequency limits and with or without inversion according to the condition of key-controlled relays RA - - RD which determine which of two frequencies shall be fed to the de-modulators. If all the relays in any group AA - - AD &c. are de-energized, relays 25, 27 fall back and substitute a network 26 for the scrambler, and an alarm is given by a bell in parallel with a lamp 40. The relays 25, 27 can be released at will by a key 42 which also cuts out the bell. Repeating systems.-Scrambled speech currents from a radio receiver R are restored by a scrambler S and pass to a line LI. A portion of these currents passes to a rectifier REC.R and energizes a relay 14 to short-circuit the other channel before the speech delayed by a network D.R, reaches the line. Speech currents, from the line LI pass via a delay network D.T and the scrambler S to a radio transmitter T. A portion of these currents is rectified in REC .T and energizes relays 10 - - 13 which render this channel effective and disable the other.