baber/WOPTO huggingface dataset:
Patent GB-569968-A (GB)
Title: Improvements relating to the perforation of sheet material by electrical discharges
IPC: B26F1/28
Filed: 1943-12-28
Abstract: 569,968. Perforating sheet material. MEAKER, J. W. Dec. 28, 1943, No. 21744. [Class 31 (i)] In the perforation of sheet material such as asphaltum-coated waterproof material used in the manufacture of bags for cement by means of electrical discharges obtained by apparatus such as that disclosed in Specification 558,834 or U.S.A. Specification 1,790,452, the piercing of the sheet or sheets is facilitated by disposing in the path of the electrical discharges a substance such as carbon black, or a metal powder, having a lower electrical resistance than the material to be perforated. Waterproof bags for cement storage may be perforated to allow escape of air to facilitate filling by distributing carbon black or other pulverent material through a stratum of asphaltum arranged between two sheets of paper, the amount of carbon black, &c., being from 2 per cent. to 7 per cent. by weight of the asphaltum. A number of sheets of paper may be perforated simultaneously by distributing layers of aluminium or bronze powder between the layers, or pulverent high conductivity substance may be incorporated in paper during manufacture.
Patent GB-496641-A (GB)
Title: Improvements in and relating to time delay relays
IPC: H03K17/288
Filed: 1938-07-22
Abstract: 496,641. Valve relays. BRITISH THOMSON-HOUSTON CO., Ltd. July 22, 1938, No. 21812. Convention date, July 24, 1937. [Class 40 (v)] To delay the operation of relay 12 for a predetermined time after the closing of switch 11, a condenser 20 is connected to grid 9 so that when the switch 11 is open the condenser 20 is charged by grid current which flows during the negative half-cycles of the supply. When the switch is closed, cathode 10 is connected directly to lead 2, instead of to lead 1 over resistance 22, and the valve 7 is blocked until the charges on the plates of 20 have equalized over resistance 21. This time delay is altered by adjustment of tap 6 on potentiometer 5. Switch 15 connects the mains lead 1 either directly to the anode circuit or to the mid point of auto-transformer 14 so that the apparatus can be worked on either 110 or 220 volt supplies.
Patent GB-218986-A (GB)
Abstract: 218,986. Grimme, Natalis, & Co., Akt.- Ges., (Assignees of Hoffmeister, H.). July 14, 1923, [Convention date]. Paper - carriages. - In calculating-machines, particularly of the pinwheel and cam-disc type, the carriage carrying the counters or setting mechanism is formed from a single piece a of strip steel, iron or brass bent up at right angles at each end about the dotted lines d and having two slots b at each of the bending points to allow reception of the carriage in its guides.
Patent GB-1135128-A (GB)
Title: Improvements in or relating to filtering devices
IPC: B01D24/16
Filed: 1967-05-11
Abstract: 1,135,128. Filter. O. PAUSER. 11 May, 1967 [12 May, 1966], No. 21925/67. Heading BID. A filtering device comprises a housing 11 having a portion for water to flow therethrough including a volume between sieve plates 13 and 14 containing a filter .mass of resilient porous pieces, the plates 13 and 14 being arranged transversely to the normal flow of water through the said portion so that the filter pieces are forced against upper plate 17 during filtration, valve means 20 for reversing the sense of flow through the said portion during backflushing to displace the filter mass towards lower plate 14, and a water circulating pump 30 drawing filter pieces through pipe 30a and discharging them back to the said portion via pipe 30c which has an outlet at the side of plate 13 facing plate 14. In operation, for filtering (Fig. 1 not shown) water to be filtered enters at 11e, is pumped by motor 17 through pipes 16b, 16c, perforated plate 14, through chips of foam plastic 15 forced by the flow of water against perforated plate 13, down pipe 22 and out at 11f. For cleaning the filter (Fig. 2), e.g. in response to a predetermined pressure measured by pressure gauge 18, the valve in housing 20 is moved to the position shown in Fig. 2 by activation from programmer 32 so that water entering at lie now flow along pipe 16b and up pipe 22 and down through plate 13 and then down inside housing 11a to allow medium 15 to move downwards. Removed dirt flows out with the water through pipe 25a and outlet 11g. When the medium 15 reaches perforated plate 14, programmer 32 causes throttle valve 19 to be activated to reduce the flow of water past it and into housing 11a to prevent medium 15 being pressed against perforated plate 14, and simultaneously programmer 32 activates motor 30 to circulate medium 15 down pipe 30a up pipe 30c back into housing 11a.
Patent GB-203682-A (GB)
Title: Improved means for the distant automatic control of a central electric hydraulic station
IPC: H02J13/00
Filed: 1923-08-31
Abstract: 203,682. Lorfeuvre, M. Sept. 7, 1922, [Convention date]. Drawings to Specification. Central and substation plant, special arrangements of.-Relates to electric generating stations in which power is obtained from hydraulic turbines fed from waterfalls of small capacity. The invention consists in an arrangement of electric relays and switches whereby an electric motor operating the turbine valves is automatically started and stopped, an electric generator is automatically put into circuit at a suitable speed of the turbine, and indications of the condition of the generator and of the available water level in a reservoir are transmitted to reading instruments. When a limit of speed is reached, water supply is shut off from the turbine by a centrifugal governor connected to a clutch in the operating mechanism of the turbine valve.
Patent GB-670558-A (GB)
Title: Improvements in or relating to electric contact arrangements particularly adapted for use with electro-magnetic circuit-breakers
IPC: H01H71/68
Filed: 1946-07-24
Abstract: 670,558. Automatic circuit-breakers; electromagnetic switches. KESL, K. July 24, 1946. No. 22111/46. [A Specification was laid open to inspection under Sect. 91 of the Acts, July 24, 1946]. Class 38 (v). In an automatic circuit-breaker the movable-contacts. 9 are mounted on an insulating cross-bar 5 which is pivoted at 4 to operating- arms 3, 31 (pivoted in turn at 1, 1<SP>1</SP>) in such a manner that the contacts 2 make the first part of their opening movement and the latter part of their closing movement with greater angularvelocity than the arms 3, 3<SP>1</SP> themselves. The crossbar 5 is loaded by a blade-spring 8 engageable with a stop 26 carried by a stirrup 40 fixed between the arms 3, 3<SP>1</SP>, and is in the form of a two-armed lever, the longer arm carrying the contacts 9 and the shorter arms a pair of rollers 6. When a magnet 42 is energized it attracts an armature 41 carried by the stirrup 40, and the arms 3, 3<SP>1</SP> rotate about pivots 1, 1<SP>1</SP> so as to bring the rollers 6, into engagement with the ends of bell-cranks 16. The cross-bar 5 thereupon rotates anti-clockwise about its pivot 4 against the action of the blade-spring 8 and moves the contacts 9 rapidly into engagement with contacts 11. The breaker opens when a spring- loaded armature 24, pivoted at 49 and hinged to a cross-piece 23 carried by the bell-crank 16 is attracted by a combined over-load and blowout coil 19, and.moves the bell-cranks out of engagement with roller 6 against the action of springs (not shown). The cross-bar 5 is thereupon rotated clockwise by the' blade-spring 8 and the contacts 9 make an initial rapid separation until the rotational movement of the bar 5 is arrested by its engagement with the stirrup 50. Separation of the contacts de-energizes the magnet 42, and the opening movement is then completed by rotation of the arms 3, 3<SP>1</SP>,the armature 24 and bell-cranks being returned by their springs. The bar 5 may be temporarily bolted solidly to the arms 3, 3<SP>1</SP>. In a modification, Figs. 1-4 (not shown), a two-armed contact carrying lever is pivoted on an arm carried by a rotatable shaft, and the stop against which the short arm of the lever bears may also serve as an "isolating" contact.
Patent GB-457401-A (GB)
Title: Improvements relating to gas fires
IPC: F16K31/46
Filed: 1935-08-06
Abstract: 457,401. Valve-actuating mechanism. RADIATION, Ltd., Thimble Mill Lane, Aston, Birmingham, and YATES, H. J., 15, Grosvenor Place, Westminster. Aug. 6, 1935, No. 22131. [Class 135] A gas fire has means for operatively connecting a finger piece h or o adjacent the top of the fire with the gas tap located at or near the bottom of the fire so that stooping is avoided in manipulating the tap. The invention is applicable more especially to gas fires having an automatic lighting device. The tap spindle a, Fig. 2, carries a pinion b meshing with a segmental gear c an extension e of which is connected by a link f to a lever g having a projecting finger piece h. In the modified form, Fig. 4, cords k are secured in peripheral grooves at the ends of a drum i on the tap spindle a and also in similar grooves at the ends l of a drum on a vertical spindle n. The latter is operable by an external finger piece o having a pin p retainable against a notched bracket q by a spring r. The usual finger piece s at the tap level may also be provided.
Patent GB-474483-A (GB)
Title: Improvements in operating mechanism for synchronised or simultaneously-actuated double doors
IPC: E05F17/00
Filed: 1936-08-12
Abstract: 474,483. Door-operating mechanism. NEWMAN & SONS, Ltd., W., and SHEAD, H. C. Aug. 12, 1936, No. 22173. [Class 65 (i)] Two swinging doors 1, 2 are interconnected for simultaneous operation by chains 14 passing round sprockets 7 carried by and rotating with the doors, the sprockets being offset so that their axes are outside the median planes of the doors; the interconnecting mechanism can thus be accommodated in a casing on the frame without requiring any part of the frame to be cut away. The doors are mounted on pivots 8 carried by brackets 5 projecting outwards from the faces of the doors and slightly rearwards past the door edges that abut against the frame, and the sprockets 7 are fixed to the pivots 8. The chains 14 pass round jockey pulleys 12 on the frame and are connected by crossed rods 15, 16, the latter being formed in two parts joined by a central slotted member 18 through which the rod 15 passes. In place of sprockets, drums to which the chains are attached by pins may be used. The rods 15, 16 may be dispensed with, and a single endless crossed chain used. The jockey pulleys 12 may be replaced by fixed pins or other guides.
Patent GB-1071450-A (GB)
Title: Hip-joint prosthesis
IPC: A61F2/32
Filed: 1966-05-18
Abstract: 1,071,450. Prosthetic femoral head. T. CHRISTIANSEN. May 18, 1966 [May 26, 1965], No. 22185/66. Heading A5R. In a hip-joint prosthesis comprising a headpiece or capitulum for engagement in the socket of the pelvis and a spindle portion for insertion into the medullary cavity in the thighbone shaft, the capitulum is rotatably connected to the spindle portion; the capitulum may also be removably connected to the spindle portion. As illustrated in the Figure, spindle portion 1 has lightening holes 2, a guide rib 3 for localization in the medullary cavity, an edge 4 for contacting the thigh-bone shaft, and an integral trunnion 5. The rotatable connection is formed by the trunnion fitting into a corresponding aperture 6' in the spherical capitulum 6. Means, for example groove 7, may be provided in the upper end of the spindle portion for co-operation with tools (not shown) to facilitate insertion into the medullary cavity. Sealing means, for example at least one O-ring 8, may be provided to prevent entry of body fluids into the connection. The angle alpha between the axis x of the spindle portion and the axis y of the trunnion preferably is at least 45, for example 65. The spindle portion may be made of non-corrosive metal; the capitulum may be made of a selflubricating plastics material, for example polytetrafluorethylene. In use, the capitulum is intended to remain stationary in the socket of the pelvis, movement of the leg being received by the mutually-rotatable surfaces forming the connection.
Patent GB-222054-A (GB)
Abstract: 222,054. Choat, F. W. April 30, 1924. Boots and shoes, cleaning and polishing.-The boots &c. are cleaned while on the feet by being moved relatively to resiliently mounted stationary brushes A, one of which is adjustable in position according to the size of the boot &c. The brushes are of angular shape and are fixed to bars a slidably mounted in guides a<10> on end brackets a<2> and pressed towards each other by springs a<12>. One pair of end brackets is fixed to the framework e and the other pair has shoes a<X> slidable on the framework and is connected by linkwork a<4> with an upright handle D which also acts as a support for the user, this handle, being rotatable about its axis, so that by turning it the position of the brush may be varied. A scraper B becomes available for use when the brushes are separated, and a toe, brush may be fixed to the framework.
Patent GB-1207741-A (GB)
Title: Improvements in or relating to cable or pipe clips
Inventor: FOSTER PETER ALAN
IPC: F16L3/24
Filed: 1968-05-10
Abstract: 1,207,741. Clips. HAYDEN-NILOS Ltd. 12 May, 1969 [10 May, 1968], No. 22216/68. Heading E2B. A spring clip for securing cables or pipes to H section mine arches or other mine roof supports coimprises a single length of spring wire with a central looped portion 2 and with end portions 3 of which first parts 7 extend away from each other, second parts 8 extend towards each other and parallel to the parts 7 and terminal third parts 9 extend towards the junctions 10 between the central looped portion 2 and the respective first parts 7. The clip is secured to the flanges 12 of an H section beam by pulling the end portions 3 away from each other until the terminal parts 9 pass beyond the edges 11 of the flanges and then are released to grip the flanges between the posts 9 and junctions 10. A cable or pipe 14 is secured between the flanges 12 and central looped portion 2 and a smaller diameter cable is secured in secondary loops 16 at one end of the central portion.
Patent GB-1431019-A (GB)
Title: Flame retardant compositions
IPC: C08K5/1535
Filed: 1974-05-20
Abstract: 1431019 Flame retardant compositions NATIONAL DISTILLERS & CHEMICAL CORP 20 May 1974 [23 May 1973] 22362/74 Heading C3P Cross-linkable flame retardant compositions comprise (a) a blend of a low density polyethylene and an ethylene/vinyl acetate copolymer, (2) 1,2,3,4,6,7,8,9,10,10,11,11 dodecachloro - 1,4,4a,5a,6,9,9a,9b - octahydro - 1,4,6,9- dimethanodibenzofuran, and (3) 20 to 35% by weight of the composition of an antimony compound, the weight ratio of dibenzofuran compound to antimony compound being less than 1 : 1. The antimony compound may be antimony trioxide or sulphide, sodium antimonite, potassium antimonate, or an antimony salt of a carboxylic acid. The compositions may also contain acid acceptors, e.g. tetrabasic lead fumarate, magnesium oxide, calcium carbonate and litharge; cross-linking agents, e.g. triallyl isocyanurate or cyanurate, or trivinyl cyanurate or citrate, optionally with an organic peroxide; stabilizers; plasticizers; colorants and antistatic agents; and may be used for coating wires and cables.
Patent GB-375118-A (GB)
Title: Method of and means for assuring the safe working of automatic pressure die-casting apparatus
IPC: B29C45/84
Filed: 1931-08-07
Abstract: 375,118. Casting-machines. ELEKTRONMETALL GES., Cannstatt, Stuttgart, Germany. Aug. 7, 1931, No. 22445. Convention date, Aug. 28, 1930. [Class 83 (i).] Clamping moulds.-An automatic die-casting machine, operated hydraulically, is provided with mechanism which is actuated by the control mechanism and stops same if there is any danger of some movement occurring while the conditions for safe working are absent. A control cam shaft e, Fig. 1, actuates valves a some of which serve to supply fluid pressure to cylinders x and move pistons 1<1>, 1<2> and pawls i<2>, il to the left just before the valve, which initiates the injection of molten metal into the mould, is opened. If the mould half m has been moved into position against the half o and nozzle plate n an adjustable screw p has pressed down a lever q and the pawl i<1> to which it is connected. If the fluid pressure, holding the mould half m against the plate n, has reached the desired valve it has pressed down a spring- loaded piston r and the pawl i<2> to which it is connected. If either of these pawls have not thus been pulled down its movement to the left pulls a crank-lever g and throws out the driving clutch f. Similarly just before the mould is returned a pawl i<3> is moved to the left by a piston l<3> and stops the machine unless it has been pulled down by a lever v and piston t actuated by fluid exhausted from the metal-injecting cylinder. In a modification all the pawls i<1>, i<2>, i3, Fig. 2, are moved to the left by one piston l and all the pawls are pressed down by cams x<1>, x<2>, x<3> on the shaft e except during the time that any particular pawl may be required to stop the machine when such pawl is released by its cam.
Patent GB-1519083-A (GB)
Title: Apparatus for reforming combustible into gaseous fuel by rreaction with decomposition product of hydrogen peroxide
IPC: C10J3/46
Filed: 1976-05-28
Abstract: 1519083 Production of gaseous fuels NISSAN MOTOR CO Ltd 28 May 1976 [28 May 1975] 22457/76 Heading C5E Apparatus for converting a combustible material into a gaseous fuel containing CO and/or H 2  comprises a reaction chamber 10 in which the combustible material reacts with a heated mixture of oxygen and steam to give the gaseous fuel; a reactor 20 containing a catalyst 22 for the decomposition of hydrogen peroxide supplied from line 30; a passage 44 containing a venturi section 42 to increase the flow of the oxygen/steam mixture generated in the reactor 20; and a conduit 50 for introducing the combustible material into the oxygen/steam mixture, whereby the oxygen/ steam mixture and the combustible material are rapidly and uniformly mixed with each other prior to admission into the chamber 10. Various modifications are described which may be used for liquid fuel (Fig. 2, not shown) and a particulate fuel such as coal (Fig. 3, not shown). In the latter case, the reaction chamber is a cyclone (10A) with a tangential inlet (16). Valve arrangements may be provided for controlling the fuel/O 2 /H 2 O mixture composition (Fig. 4, not shown), and an air inlet may be provided to allow additional air to be mixed with the fuel/O 2 /H 2 O mixture (Fig. 5, not shown).
Patent GB-1215991-A (GB)
Title: Screening separator
IPC: B07B1/55
Filed: 1968-05-13
Abstract: 1,215,991. Screening apparatus. SWECO Inc. 13 May, 1968 [22 May, 1967], No. 22509/ 68. Headings B1D, B2H. Screening apparatus for separating solids from liquid or for wet or dry separation of solids of different particle sizes comprises respective coarse and fine, concentric, cylindrical screens 56, 70, which are rotated in use by electric or air-driven motor 88, mounted above and wholly separate from a flat, annular, vibrating screen 37. Slurry or solids is delivered through pipe 41 and distributor system 96..(99) (Figs, 4, 8, 9, not shown) to the interior of screen 56, and material passing through screen 56 is spread evenly over the height of screen 70 by a system 106. (111). Material passing through screen 70 is discharged at 151, and material retained by screens 56, 70 falls on to screen 37, which discharges oversize material at 146 and allows some material to pass through for discharge at 157. The screen 37 and attached parts are supported by springs 11 and vibrated by motor 12 with out-of-balance weights 13, 14. The surrounding housing has doors (163) (Fig. 3, not shown) through which the whole vibratory assembly may be withdrawn by a forklift truck engaging channels 145. Screens 56, 70 are back-washed by steam, hot liquid or liquid recirculated by pump 154 from sump 153, directed from fixed nozzle pipes 127, 114, while screen 37 is backwashed by fluid from nozzles 140, which are inclined to rotate about coupling 135 by the reaction force exerted by the fluid. Cleaning may be performed during or after screening operations, and pneumatic jacks 30 are arranged to apply and release tension on screen 37 before and after screening. Screen 70 has annular end rings (69, 74) which hook over assemblies 66, 71, which assemblies are then urged apart by spring assemblies 75 (Figs. 10, 11, not shown). Inlet pipe 41 may have a slidable interior pipe whose spacing from dome 99 is varied to control inlet flow. A float-operated switch stops or slows motor 12, if excess material accumulates in the bottom of the housing, and also stops or reduces the inlet flow to pipe 41. The apparatus is used for treating sewage.
Patent GB-979887-A (GB)
Title: Improvements in or relating to the recovery and purification of amphoteric and basic antibiotics
IPC: C07C233/00
Filed: 1962-06-12
Abstract: Amphoteric or basic antibiotics are purified by a process in which the impure antibiotic is transferred to a sparingly water-miscible or water-immiscible organic solvent in the presence of a carrier, there being used as carrier one or more organic esters of phosphoric or phosphorous acid, the esters containing in their molecule at least one dissociable hydrogen or metal atom, and the organic radical or radicals of the esters being of sufficient hydropholeic nature to make the esters completely soluble in the organic solvent in the concentration used and able to combine with the antibiotic to make the latter soluble in the organic solvent.  The antibiotic may be tetracycline, chlorotetracycline, polymyxin or streptomycin; the organic solvent may be butyl acetate, chloroform, amyl alcohol or methyl isobutyl ketone.  Examples describe the use as esters of di-(2-ethylhexyl)-orthophosphoric acid, di-n-butyl phosphate and sodium-dinonyl-phosphate.
Patent GB-1015243-A (GB)
Title: Photographic cameras
IPC: G03B7/16
Filed: 1962-06-12
Abstract: 1, 015, 243. Photographic cameras; exposure control. EASTMAN KODAK CO. June 12, 1962 [May 7, 1962], No. 22590/62. Heading G2A. A photographic camera suitable for both flash and daylight exposures comprises a shutter having at least two speeds, one being for flash exposures, an index ring 54<SP>1</SP> rotatable between two positions for flash or daylight exposure, and a flash signal 61 which appears to the viewfinder 62 for flash and which disappears for daylight exposure. Shutter blades 13, 13<SP>1</SP> pivot at 14, 14<SP>1</SP> and are interconnected by a pin 15 engaging slots 16 in each blade and. mounted on a lever 17 pivoted at 18 and spring- urged counter-clockwise to close the blades. Three-armed master member 19, pivoted at 20 is spring-urged counter-clockwise and has an arm 21 with a cam 22 which engages nose 23 on lever 17 to open the shutter blades when spring-operated trigger 24 is released from a latching lug 25 on arm 26 of member 19. Third arm 27 is used to cock the member 19 and set the shutter. End 30 of arm 26 engages a lug 31 on sector 32 of a gear retard mechanism, the setting of lug 31 deciding the duration of the retarding and hence the shutter speed. The shutter closed when cam 22 finally slips off nose 23 of lever 17. Speeds of <SP>1</SP>/ 40  sec. and <SP>1</SP>/ 80  sec. are provided for flash and daylight respectively, rotation of ring 54<SP>1</SP> between marks F and D pivots setting lever 51 about pin 50 on mechanism plate 10, and 52 engaging slot 53 in ring 54 which is keyed to ring 54<SP>1</SP>. End 56 of lever 51 engages lug 56<SP>1</SP> on a pivoted flash-signal 58 whose flag portion 60 covers or uncovers flash symbol 61. Turned-down lug 57<SP>1</SP> engages pin 57 on arm 38 of sector 32 which is thereby set. A multi-speed shutter may be provided when lever 51 is modified to clear sector 32 so that only signal 58 is operated. A subsidiary speed-setting control is then used to set a slide 70 movable across the shutter casing, one end 71 abutting arm 38 of sector 32 against spring 36. Specifications 914,516 and 1,015,244 are referred to.