baber/WOPTO huggingface dataset:
Patent GB-1510204-A (GB)
Title: Electronic appliance with electro-optical display
IPC: G04G19/00
Filed: 1975-06-24
Abstract: 1510204 Controlling light; electronic watches CITIZEN WATCH CO Ltd 24 June 1975 [17 July 1974] 26794/75 Headings G2F and G3T [Also in Division H2]  In a battery-powered electronic appliance with a digital display (e.g. a watch or calculator with a liquid crystal display), the current drawn by the display is monitored so that overcurrents may be detected and protective action taken. Preferably, the current is checked at regular intervals rather than being monitored continuously. A shunt 9 in the current path is normally shortcircuited by an f.e.t. 16, but at intervals flip-flop 19 provides a pulse to switch this f.e.t. off momentarily. If the voltage across the shunt 9 in these off periods is excessive, f.e.t. 8 switches on to trigger flip-flop 17. This flip-flop is reset immediately before the next checking period. The output of flip-flop 17 may be used to open a switch 7 in the current path. Alternatively, it may be supplied to the liquid crystal driving circuit Figs. 4, 5 (not shown) to suppress the application of voltage to the crystal or to modify the display, e.g. causing it to flash or to display only a specific character, such as colon dots only in a timepiece display, the time indication being prevented as in Figs. 7A, 7B (not shown).
Patent GB-370821-A (GB)
Title: Improvements in or relating to borehole casings
IPC: C22C38/20
Filed: 1931-09-25
Abstract: 370,821. Alloys; boreholes. VEREINIGTE STAHLWERKE AKT.- GES., 67, Breitestrasse, Dusseldorf, Germany. Sept. 25, 1931, No. 26831. Convention date, Oct. 7, 1930. [Classes 72 and 82 (i).] Borehole casings are made of steel containing 0À1-0À4 per cent of carbon, 0À7-1À5 per cent of silicon, 0À9-2 per cent of manganese, 0À7-2 per cent of copper, 0À2-1 per cent of chromium, and 0À1-0À5 per cent of aluminium. After rolling, the tubes are preferably tempered at up to about 500‹ C. for a short time.
Patent GB-395900-A (GB)
Title: Improvements in duplicating machines
IPC: B41F15/08
Filed: 1932-09-27
Abstract: 395,900. Stencil-printing apparatus; inking-apparatus. DEHN, F. B., 103, Kingsway, London.-(Heyer Corporation; 901, West Jackson Boulevard, Chicago, U.S.A.) Sept. 27, 1932, No. 26844. [Class 100 (ii).] In a flat stencil-duplicator, yieldable means is provided for supporting the stencil in spaced relation to a base the stencil being flexed to bring portions thereof progressively into printing contact with a copy sheet on the base. As shown, a stencil 46, an ink pad 47, and an impervious cover sheet 48 are attached, as described below, to bars 34, 33, the former being slipped into slots 35 in the side members 21 of a rectangular frame hinged at 26 to a base 20, and the latter riding in slots 32 ; spring-pressed plungers 36, Fig. 5, engaging the bar 33 one at each end thereof stretch the stencil &c. taut. Printing is effected by means of a hand or mechanically actuated roller 56, the stencil being flexed as shown so that rolling line contact is provided ; the roller 56 has a corrugated or other irregular surface to ensure its rotation. The cover sheet 48 is folded over the side edges of the ink pad 47 and is stitched thereto, and the pad is looped at each end over the bars 33, 34 and is secured by clips 52, 55. The stencil is provided at one end with keyhole slots engaging studs on the slip 52 and is secured at the other end by the clip 55.
Patent GB-823040-A (GB)
Title: Improvements in or relating to organosiloxane resins
IPC: C08L83/04
Filed: 1957-08-26
Abstract: An organosilicon composition comprises by weight (1) from 50 to 95% of a copolymer of from 4.5 to 17 mol. per cent of diphenylsiloxane, from 22 to 55 mol. per cent of monophenylsiloxane, from 40 to 65 mol. per cent of monomethylsiloxane and up to 30 mol. per cent of phenylmethylsiloxane, and (2) from 5 to 50% of an organosilicon polymer compatible with (1), having a viscosity of less than 500 cs. at 25 DEG  C. and having at least two silicon-bonded vinyl radicals per molecule, in which polymer (2) the remaining valencies of the silicon atoms are satisfied by oxygen atoms, phenylene radicals, methylene radicals, methyl radicals or phenyl radicals.  The compositions may be cured by heating them with a combination of (a) a silanol condensation catalyst, e.g. lead octoate, dibutyltindioctoate, zinc and indium naphthenates, triethanolamine, benzyl trimethyl ammonium butoxide, b  - hydroxyethyl trimethyl ammonium 2-ethylhexoate, phenyltrimethyl ammonium acetate and vinyl triethyl ammonium methoxide, and (b) an organic peroxide, e.g. di-t-butyl- and dicumyl-peroxides and t-butyl perbenzoate.  Fillers, e.g. glass fibres, asbestos, clay, diatomaceous earth, sand, TiO2, Fe2O3, ZnO and Al2O3 may also be added.  Examples are given. Uses.-As moulding compositions for making structural laminates and for moulded structural members.  Specification 762,978 is referred to.
Patent GB-362009-A (GB)
Title: Improvements in and relating to the starting of continuous current motors
IPC: H02P7/34
Filed: 1930-09-09
Abstract: 362,009. Control of D.C. motors. AKT.- GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. Sept. 9, 1930, No. 26888. Convention date, Sept. 16, 1929. Drawings to Specification. [Class 38 (iii).] Varying electromotive force; field control.-The field of a motor or of a Ward-Leonard generator supplying it is provided with a damper winding so that for starting, reversing, or braking, field control is effected by a simple switch, e.g. a push-button switch which changes the exciting current in one step between maximum and minimum values, the damper winding causing the actual field to change gradually.
Patent GB-302004-A (GB)
Title: Improvements in plant for cooling liquids, particularly for use in mercerising fabrics
IPC: F28D7/02
Filed: 1927-10-12
Abstract: 302,004. Hammersley, S. S., and Bolton, J. A. Oct. 12, 1927. Refrigerating, compression machines for; cooling-liquids, tubular apparatus for.-A plant for cooling liquids, particularly the caustic liquor in the mangle tanks a of apparatus employed in mercerizing fabrics, comprises a large cooling- tank d fitted with evaporator coils f, Fig. 3, connected to the compressor g and condenser g<2> of a refrigerating machine controlled thermostatically and preferably driven by an electric motor g<1>. Liquor is circulated continuously from the tanks a through the evaporator, by way of a strainer b, pipes b<2>, pump c, and pipe c<3>, and return pipe p<1>. When it is desired to clean the cooling tank communication with the tanks a is cut off and the contents of the cooling tank are pumped into a reservoir e for temporary storage. A sluice valve k at the bottom of the cooling-tank is then opened and water from a pipe m and spray pipe q is delivered over the coils f. After the cleaning operation the liquor is run back from the reservoir e into the cooling-tank and communication with the mangle tanks a re-established. The thermostat controlling a valve g<5> of the refrigerating machine may be arranged in a drier chamber in the return vapour passage, from which unevaporated refrigerant may be sent back to the evaporator coils. The cooling tank is of sheet steel covered with slab cork h set in bitumen and lagged with steel plates. Where several mangle tanks are employed they may be maintained at different temperatures by suitable regulation of the circulation.
Patent GB-1429845-A (GB)
Title: Thermally-responsive actuator
IPC: H01H37/54
Filed: 1973-06-06
Abstract: 1429845 Thermal switches; automatic circuit - breakers ALLMANNA SVENSKA ELEKTRISKA AB 6 June 1973 [7 June 1972] 27014/73 Heading H1N [Also in Division G1] A thermally responsive actuator consists of a bimetallic bowed disc I peripherally supported on a metallic base-plate 5, against the force of a leaf-spring 4, by a screw and nut 2, 3 used for adjustment of the operating temperature at which the disc snaps over to being bowed in the opposite direction, the snap movement being aided by the spring 4. In Fig. 1 the screw 2 acts on a release member 6 for moving a contact member of a switching device whilst in Fig. 3 the release member 6 is replaced by a lever 7 for amplification of the disc movement or for constituting a movable contact member of a switch. A thermally responsive switching device to Fig. 3 arrangement can also incorporate magnetic overcurrent release means comprising a magnetic core 8 surrounding the base-plate 5 acting as a current conductor with the lever 7 acting as an armature. The actuator is described as being manually reset and ambient temperature compensation can be provided by making the leaf-spring 4 of bimetallic material or by reinforcing it with a separate bimetallic spring. The bimetallic member 1 may be a plate of any shape and a helical spring may be used instead of the leaf spring.
Patent GB-270987-A (GB)
Abstract: 270,987. Clavel, R. Nov. 10, 1925. Yarns and threads, treating with liquids.- Yarns, threads, &c., made from or containing cellulose acetate, are loaded by forming therein an insoluble metal salt or salts, preferably such as act as loading-agents for natural silk, and the loaded materials are then dyed, printed or stencilled. The loading operation may be carried out by successive treatments with solutions of metal salts such as salts of tin, zinc, tungsten or aluminium, and with solutions of phosphates, silicates, tannin or other compound adapted to fix the mental in the form of an insoluble salt. The loading operation may be repeated. For the first bath a solution of a metal chloride or chlorides is particularly suitable; and this bath is preferably maintained at a temperature not lower than 50‹ C. In examples, cellulose acetate yarn is first treated with stannic chloride solution at 50‹ C., washed with hard water, then treated with di-sodium phosphate solution at 60‹ C., and finally dyed; or a fabric treated with stannic chloride solution as above, is in order to give a heavier loading treated with monosodium phosphate solution, or the loading treatment is repeated, the goods after each treatment being washed in dilute hydrochoric acid, and the loaded fabric is printed. The process may be applied to mixed goods containing cotton, other natural or artificial cellulosic fibres, wool, and silk.
Patent GB-205980-A (GB)
Title: Improvements in hand grips for use by standing passengers in railway and the like vehicles
IPC: B61D49/00
Filed: 1922-10-07
Abstract: 205,980. Peters & Co., Ltd., G. D., and Le Clair, L. J. Oct. 7, 1922. Hand - grips. - In a hanging-strap or handgrip for passengers in vehicles of the kind comprising a metal loop 1, Fig. 2, suspended by a flexible support 2, the metal loop is entirely encased in or coated with celluloid or like material, preferably of a non- inflammable character. For the sake of lightness the loop is made either of aluminium, or an alloy of aluminium, or is of a tubular cross - section formed by uniting two brass or other metal strips 1<a>, 1<b> having beaded edges 9, Fig. 6. The loop may be suspended by a flexible leather link 2, or by a short length of flexible steel cable bound with steel wire suspended from a bracket mounted adjacent to the vehicle roof.
Patent GB-1495808-A (GB)
Title: Switches
IPC: H01H35/00
Filed: 1975-06-26
Abstract: 1495808 Switches SIEMENS AG 26 June 1975 [5 July 1974] 27195/75 Heading G1A A switch comprises a first device 12 able to emit radiation, a second device 13 able to respond to the radiation and a switch actuating member 8 arranged to move a radiation reflective surface 16 between a first position in which the surface provides a path, by reflection, between the devices 12, 13 and a second position in which the path is broken. The first and second devices 12, 13 and the surface 16 are so arranged relative to one another that on actuation of the switch, the surface moves towards both the first and second devices. The first and second devices 12, 13 are a light transmitting diode and a photo-transistor respectively and are each provided with a lens 14, 15. The actuating member 8 is of plastics material and has a cylindrical skirt 21 which acts as a spring to urge the member to its rest position. The member may be held in its actuated position by a mechanical or magnetic latch. In the actuated position the member 8 engages a screening wall 17 arranged between the two devices. The switch housing is in a two snap featured parts 5, 6; 9 so that it can be mounted in an aperture 2 in a plate 3. Radiation may be conducted into and out of the switch body by optical fibres. In a modification, Fig. 2 (not shown), the strut of the actuating member is replaced by helical formations.
Patent GB-286333-A (GB)
Title: Improvements in carburettors for internal combustion engines
IPC: F02M3/12
Filed: 1927-07-20
Abstract: 286,333. A.M.A.C., Ltd., and Comery, W. July 20, 1927. Spray carburettors. - A slow-running device having an outlet or outlets located on each side of the throttle valve in its closed position, is applied to a carburettor . in which a tubular throttle moves transversely across a straight - through passage. Below the main passage 20 is a slow-running mixture chamber 3 having outlets 10, 9 on the air inlet and engine sides respectively of the closing edge of the throttle valve 7. The chamber 3 has an air inlet passage 5 which is controlled by a screw 6 and receives fuel through a restricted passage 4.
Patent GB-1249176-A (GB)
Title: Improvements in or relating to temporary obstruction means for valve-stem-receiving openings of rims of wheels for pneumatic tyres
IPC: B60C25/18
Filed: 1968-09-20
Abstract: 1,249,176. Inflating pneumatic tyres. SCOVILL MFG. CO. 20 Sept., 1968 [20 Sept., 1967], No. 27353/71. Divided out of 1,249,175. Heading B7C. [Also in Division F2] A temporary obstruction means for mounting in the valve-receiving opening of a wheel rim for a tubeless tyre comprises an annular body of resilient material with an outer circumferential groove intermediate its ends and a thin wall closing its control portion, and a rigid tubular insert having an external flange to engage an indentation inside the body and an internal surface having means to secure the valve stem. The means is also described in Specification 1,249,175.
Patent GB-1176764-A (GB)
Title: Jib Suspension.
IPC: B66C23/66
Filed: 1968-06-11
Abstract: 1,176,764. Adjustable jib suspensions. RUSTON-BUCYRUS Ltd. 11 June, 1968 [14 July, 1967], No. 2760Q/68. Heading B8B. The angle which a jib 2, Fig. 1, makes with a boom 1, to which it is pivoted about a horizontal axis, is adjusted by changing the point at which a supporting cable 12 is attached to cross members 8 of a mast 3 after passing over the top of the mast. The mast comprises side members 7, Fig. 2, and the cable 12 comprises two lines 13 which pass over curved guides 20 and are attached to a selected one of cross members 8 by a clevis 16 and an equalizer bar 15.
Patent GB-519436-A (GB)
Title: Improvements in methods and apparatus of cleaning flue gases by washing
IPC: B01D47/16
Filed: 1938-09-22
Abstract: 519,436. Washing gases. FASTBORG, A. A. R. Sept. 22, 1938, No. 27668. Convention date, Sept. 24, 1937. [Class 55 (ii)] Flue gas is washed by liquid jets 17, some arranged at the periphery of a casing to project liquid inwardly and some on an axial tube 10 to project outwardly so that the jets intersect. The tube may be rotated by gears 7 and carries fans 9, 14, the former removing centrifugally heavier particles and the latter removing liquid particles. Water is supplied to the tube 10 and to a water jacket 16 on the casing by pipes 5, 15 after passage through a filter 3 and a pressure air bulb 2. The sprayed liquid is collected in two parts, the hotter liquid from the lower part passing from a well 32 by a pipe 21 to a settling chamber 23 and filter 25, the cooler liquid from the upper part being deflected by a collar 40 to a well 33 and a pipe 19. One pipe 21 has a safety overflow pipe 20.
Patent GB-1268987-A (GB)
Title: Material locating block for sewing machines
IPC: D05B23/00
Filed: 1970-06-09
Abstract: 1,268,987. Sewing machine damps. DURKOPPWERKE G.m.b.H. 9 June, 1970 [13 June, 1969], No. 27779/70. Heading E2A. [Also in Division D1] A material locating block for a sewing machine which can be detachably fixed on the work surface thereof comprises a material clamping finger 9 which is power operated to hold material against a location foot 11. A piston rod 5 of a pneumatic piston and cylinder 2, 4 is pivotted to a link 8 fixed to a finger 9. As the piston is moved against a spring 7 the finger 9 descends to the work surface. The material stop is fastened to the work surface either by magnets or by suction cups.
Patent GB-1006309-A (GB)
Title: Improvements in and relating to two-drum winches
IPC: B66D1/26
Filed: 1964-07-07
Abstract: 1,006,309. Twin drum winches. SOC. NOUVELLE D'EXPLOITATION DES ETABLISSEMENTS BOILOT-PETOLAT. July 7, 1964 [July 26, 1963], No. 27868/64. Heading B8B. [Also in Division F2] A two-drum winch for a crane having one drum 10 for hoisting the load and the other drum 11 for erecting the crane comprises an electric motor 1 coupled through a change speed pulley and belt arrangement 2a, 3a, 4 to a reduction unit 5, a means to couple the drive from the unit 5 selectively to either of the drums 10, 11 and no-current electric brake operable to lock the reduction unit 5 in the event of interrupted electricity supply to the motor 1. The drive shaft 6a from the unit 5 is splined and slidably carries an assembly comprising a dog clutch 8 secured to a gear-wheel 7. The clutch 8 is adapted to engage the end 9a of the shaft 9 of the drum 10 when the slidable assembly is in its outermost position and the wheel 7 is adapted to mesh with a gear-wheel 12 secured to the drum 11 when the assembly is in its innermost position. A linkage arrangement 13, 14, 15, connected to the slidable assembly 7, 8 is arranged such that the link 15 moves into a position when the drum 11 is to be driven, to prevent the belt 4 from being used in conjunction with the higher speed set of pulleys (see Fig. 1, not shown). Alternatively a gearbox replaces the pulley and belt arrangement and incorporates a device to prevent the highest speed being selected when the drum 11 is to be driven.
Patent GB-1300269-A (GB)
Title: Device for distributing concrete
Inventor: SCHWING FRIEDRICH
IPC: E04G21/04
Filed: 1970-06-09
Abstract: 1300269 Devices for distributing concrete; booms F SCHWING 9 June 1970 [10 June 1969 7 Jan 1970] 27869/70 Headings B8E and B8H Concrete is distributed through a pipe 4, Fig. 1, supported by an articulated jib the sections of which are pivoted by rams 12, 18, 20 through substantially 180 degrees. The top section 19 is partially off-set so that it can be folded alongside the sections 13, 17. In a second embodiment, Fig. 4, the sections are folded together as shown. The bottomsection 150 forms a parallelogram linkage with struts 112, 116 and post 108.
Patent GB-1076215-A (GB)
Title: Process for preparing catalysts
IPC: B01J23/00
Filed: 1965-07-01
Abstract: A finely divided catalyst is prepared by contacting a support with a salt solution of the catalytic metal, reducing the metal ions and subsequently removing the support.  The resultant catalyst may be in the form of metal, e.g. Pt, Ru, Rh, Pd, Ir, Os, Re, Cr, V, Ti, Al, Mg, W, Mo, Au, Ag, Pb and Ce and alloys thereof, or metal oxide.  The support material may be silica gel or alumina (removable by treatment with a strong alkali), calcium carbonate (removable by treatment with acid), ammonium oxalate or ammonium carbonate (removable by heating to 700 DEG F. or, in the case of ammonium carbonate, by immersion in hot water).  The catalyst may be improved by co-reducing the desired catalytic material with a less noble compound; after removal of the support, the less noble component is removed by anodization or dissolution in acid.
Patent GB-976857-A (GB)
Title: An improvement in or relating to foot pumps for motor vehicles
Inventor: WALTERS DEREK JOHN
IPC: F04B33/00
Filed: 1962-07-20
Abstract: 976,857. Foot pumps. WALTERS & DOBSON Ltd. July 19, 1963 [July 20, 1962], No. 27999/62. Heading F1N. A foot pump for inflating motor vehicle tyres comprises a plurality of piston and cylinder assemblies 10, 12 the cylinders of which communicate with a common junction box 36 having a pressure relief valve 44 closeable to provide low pressure high volume pumping and openable to provide high pressure low volume pumping. The cylinders 10, 12 are pivoted to a common cross-shaft 14 extending between side plates 16 of a spring loaded treadle 18 pivoted to a base assembly 26, and the piston rods 20 are pivoted to a reaction pin 22 extending between side plates 24 of the base assembly. The junction box 36 has bores 38, 40 into which are screwed the pressure relief valve 44 and an adapter 48 having a flexible delivery pipe 50. When the pressure relief valve is closed by actuation of a thumb screw 60 air flows from the cylinder 12 through a passage 52 in the junction box 36 past a one-way valve 58 into the delivery pipe 50 where it is joined by air pumped from the cylinder 10. When the relief valve 44 is opened air flows to the pipe 50 only from the cylinder 10, air pumped by the assembly 12 passing to atmosphere.
Patent GB-1241639-A (GB)
Title: A pit cover
Inventor: FEREDAY STANLEY
IPC: B21B31/10
Filed: 1969-06-03
Abstract: 1,241,639. Work pit covers. DAVY & UNITED ENG., CO., Ltd. 20 May, 1970 [3 June, 1969], No. 28033/69. Heading E1X. [Also in Division B3] A two part cover of a roll-handling pit 20 of a rolling mill is such that the parts 23, 24 can be caused to lie side by side with coplanar upper surfaces to close the mouth of the pit or can be caused to lie one above the other to allow of entry to the pit when the part 24 nearest the mill is moved along support surfaces 32, 33 having inclined surfaces 34, 35 and located in the pit to underlie the other part 23, which is fixedly secured in the pit mouth. Preferably movement of the part 24 is controlled by a ram-reciprocated, roll-changing sledge 25 located in the pit, the part and the sledge being coupled by a link 40. The part 23 has a pivoted edge 36 that is swung up above the part 24 when said part 24 begins to move beneath the part 23 by roller means 38 on the edge 36 moving over a cam surface 39 on the part 24.
Patent GB-837731-A (GB)
Title: Method of forming teeth or other radial projections on tubular bodies
IPC: B21H5/02
Filed: 1957-09-06
Abstract: 837,731. Rolling. MICHIGAN TOOL CO. Sept. 6, 1957 [Sept. 6, 1956], No. 28283/57. Class 83 (4). A method of forming teeth or other radial projections on the exterior of a tubular cylindrical body, the initial outside diameter of which is less than that of the teeth, comprises heating a portion only of the wall of the body and thereafter forcing a succession of tool teeth radially into the exterior of the body. The apparatus for carrying out the method is substantially similar to that described in Specification 827,257, except that in addition the tools have some relatively sharp teeth 48B at the forward ends, of which side portions 118, 120 may be relieved. Specification 797,860 also is referred to.
Patent GB-1430787-A (GB)
Title: Telegraph transmission apparatus
IPC: H04L25/03
Filed: 1973-06-14
Abstract: 1430787 Shaping telegraph pulses ITT CREED Ltd 14 June 1973 28289/73 Headings H3T and H4P The edges of a telegraph pulse are shaped by forming them as a width modulated pulse train as read from a store and smoothing the resulting pulse. As shown, a first pulse (Fig. 2a) initiates the leading edge of the telegraph pulse by triggering a monostable circuit 3 to provide pulse 2b. This opens a gate 5 to pass sufficient clock pulses 2c from source 7 to read out the contents of a permanent store 11 and thus to produce a train of pulses 2f of increasing width ending at the "1" level. The train is amplified at 17 and smoothed to produce the desired pulse 2h. The next pulse 2a acts via lines 14, 15 to switch in an inverter 13 and via 2 triggers the monostable circuit so that the trailing edge is produced in a similar but inverted manner.