baber/WOPTO huggingface dataset:
Patent GB-1233941-A (GB)
IPC: F02M1/10
Filed: 1968-10-22
Abstract: 1,233,941. Spray carburetters. ZENITH CARBURETTER CO. Ltd. Oct. 14, 1969 [Oct. 22, 1968], No. 50104/68. Heading F1B. In an air valve carburetter the contoured needle controlling the fuel jet is mounted for movement relative to the suction operated member controlling the air-flow and temperature sensitive control means are provided between the suction operated member and the needle to control the position of the needle. The temperature sensitive control means is a bi-metallic strip 112 which is secured to the needle holder 107.
Patent GB-1238062-A (GB)
IPC: B01D53/50
Filed: 1968-05-14
Abstract: 1,238,062. Absorbing sulphur oxides. NORTH AMERICAN ROCKWELL CORP. 14 May, 1968 [15 May, 1967], No. 22913/68. Heading C1A.  Sulphur dioxide and sulphur trioxide are absorbed from a flue gas by a molten salt mixture comprising alkali metal carbonates at at least 350 C., and the resulting molten alkali metal sulphites and sulphates are reduced with hydrogen, carbon monoxide or a mixture thereof at a temperature of at least 400 C., preferably 400-700 C., to form alkali metal sulphides which are reacted with steam and carbon dioxide to form the carbonates, for recirculation, and hydrogen sulphide. The absorbent mixture comprises two or more alkali metal carbonates, possibly with diluents such as alkali metal chlorides. Suitable compositions in mole per cent, are 45  5 Li 2 CO 3 , 30  5 Na 2 CO 3  and 25  5 K 2 CO 3 ; and 15-60 K<SP>+</SP>, 40-85 Li<SP>+</SP> ,  0-20 Na<SP>+</SP> as cations with 10-98 Cl- and 2-90 CO 3 = as anions. The molten salt from the absorption stage preferably contains 10-30 mole per cent of alkali metal sulphites. Suitable reducing gases for the reduction reaction, are water gas, producer gas, coal gas, carburetted water gas, or a mixture which forms carbon monoxide and hydrogen in situ, e.g. hydrogen with carbon dioxide; carbon monoxide with water. A cobalt molybdate catalyst may be used, and the product gases may be used as reactants in the final stage of converting the sulphides to carbonates. This final stage is preferably carried out at a temperature below 450 C. at which the salt mixture is molten, e.g. 325-450 C., but may be carried out at a temperature as low as 100 C. when the mixture is solid.
Patent GB-1238447-A (GB)
IPC: D21F9/04
Filed: 1969-01-27
Abstract: 1,238,447. Papermaking. CEMENTIFERA ITALIANA FIBRONIT S.p.A. 27 Jan., 1969, No. 4498/69. Heading D2A. A method for feeding an aqueous slurry of fibres and a binder to a driven endless permeable band is characterised in that the fibres and binder are dispersed in the water, urged up an ascending duct leading to the band, and which forms at its upper end a substantially slurry-tight seal against the band at least at the bottom and side edges of the part of the duct in communication with the band. As shown, slurry is fed to a hollow body to which the slurry is fed through a conduit 19, wherein a dispersing rotor 16 and a distributor fitted with paddles 23, 24 are arranged on reel 7, 8; the body having, at the level of the distributor, a window 25 opening into an ascending duct 26 having a tapered and restricted cross-section with width equal to the width of sheet required, the duct forming a slurry-tight seal with its bottom and sides onto the band. The bottom of the duct may be partially formed by a roller driven by the band, a tight seal being made by a pad. This roller may have annular grooves at its ends penetrated by sealing members fixed to the duct sides. This roller may be supported by swinging levers linked to flanges on the hollow body, the angular position of these levers being adjustable against the spring bias of telescopic linkages. The rotation of the reel is controlled by a motor 14 mounted externally on the hollow body. The reel is hollow and is equipped, downstream of the dispersing rotor with inlet slots 21, outlet slots 22 discharging the slurry in correspondance with the window 25. The ascending duct may have an overflow, adjustable as to height. There may also be fitted a transverse rod carrying a pad, or a roller, which is mounted between the sides of the duct, and which contacts the newly formed web. The hollow body may be supported for rotation in two supporting members 2 and 3, and means, e.g. crown gears and worms are provided to cause angular movement of the body. The feeding device may be used in conjunction with the papermaking machine of Specification 1,234,123.
Patent GB-1251330-A (GB)
IPC: F24F13/20
Filed: 1967-12-30
Abstract: 1,251,330. Drying air; air conditioning apparatus. SCIENTAIRE Ltd. 31 Jan., 1969 [30 Dec., 1967], No. 59277/67. Headings B1L and B1T. [Also in Division F4] An air conditioning apparatus comprises a plurality of units releasably connected together end to end by circular apertured end plates so that adjacent units can be rotated relative to one another about an axis normal to the end plates to alter the position of unit inlets and outlets. In the form shown, the apparatus includes a fresh and recirculation air mixing unit 36, filtering units 34, 38, cooling units 32, 40 and air discharge fan units 30, 42. Heating, humidifying and de-humidifying units may also be provided. Each unit inlet and outlet may be provided with adjustable dampers and the relative proportions of air discharged through units 30, 42 may be controlled by a device in mixing unit 36. The unit end plates 44 are connected by straps or clamps. Each unit may have a cylindrical or rectangular outer casing. In another embodiment, air is drawn through mixing, filtering and heating units, and cooling, humidifying and de-humidifying units may also be provided. Air may be blown instead of drawn through the units.
Patent GB-1253129-A (GB)
IPC: B23Q3/155
Filed: 1969-05-28
Abstract: 1,253,129. Tool changers. WERKZEUGMASCHINENKOMBINAT " FRITZ HECKERT" KARL-MARX-STADT VEB. 28 May, 1969, No. 26991/69. Heading B3B. A tool magazine unit for mounting on a machine tool comprises an indexable top part 2 carrying a plurality of outwardly extending tool carriers 44, and a gear-box casing 3 which includes a rotatable cam drum 33 for lowering and raising a single tool carrier 44, at a tool change station, for moving a tool into or out of a spindle. The magazine unit is movable linearly along tracks 66 for movement of a tool carrier 44 into and out of alignment with a spindle at a tool change position.  The gear-box casing supports a single drive input motor 1 which drives through a clutch 6 a first planetary gearing 12, 13, 14, 15 and a second planetary gearing 17, 18, 19, 20. The actual drive path through the gearing is dependent on the control of solenoid operated locking pins 27, 41, 50. In one drive the pins 50 locks a ratchet gear-wheel 48, 49 so that the top part 2 is indexed by means of gear 14 driving gear 48 to actuate an indexing mechanism 56, 57, 58. In a second drive the ratchet gearwheel 48, 49 is locked which causes the gear ring 12 to drive through the second planetary gearing to rotate gear segment 18 which drives, through gears 30, 32, the cam drum 33. In a third drive the gear ring 17 is unlocked by pin 27 and rotates to drive, through gear 31, a crank arm 64 which engages with a fixed guide 67 and causes linear movement of the magazine unit along tracks 66. The machine tool may include a multi-spindle turret so that a spindle is indexed to a tool charge position. The spindle is locked in a predetermined orientation to enable the driving flats and flange of a tool arbor to engage with guides and stops on a bifurcated arm on the tool carrier 44.
Patent GB-1257992-A (GB)
IPC: H04N9/64
Filed: 1969-05-09
Abstract: 1,257,992. Valve amplifying circuits; automatic gain control; colour television receivers. R.C.A. CORPORATION. 9 May, 1969 [13 May, 1968], No. 23724/69. Headings H3Q, H3W and H4F. A colour television receiver uses a limiter to reduce noise in the automatic gain control, sync. separator and chrominance channels. I.F. amplifier 12 feeds via transformer 32 a diode video detector 14 which produces an output referenced positively relative to earth, in which sync. pulses are negative-going (Fig. 2(a), not shown). To this end the diode cathode is given a positive bias over resistors 35, 82, 81, the anode being positively biased by means of resistors 36, 31, 37; the cathode is decoupled to earth by capacitor 35. The anode is coupled to the grid of a first video amplifier 45 via intercarrier sound trap circuit 34, 41, 42 and top-peaking inductor 43. The valve 45 acts as a cathode follower for D.C. and low frequencies, to cathode circuit being completed by delay line 16 and terminating resistor 51, at higher frequencies however boot-strapping is provided by capacitor 61 and inductor 60. Delay line 16 feeds a luminance circuit comprising the further amplifier 17. A further amplifier 70 is fed with higher frequencies from the cathode of video amplifier 45 via capacitor 80; for lower frequencies and D.C. it is coupled to the detector via resistor 31. A toppeaking circuit comprising inductor 77 and shunt damping resistor 76 is provided in the grid circuit. Amplifier 70 feeds chrominance circuits 23, sync. separator circuits 24 and a gated A.G.C. circuit 27, noise pulses being limited by means of a diode 75 provided with a delay bias comprising the voltage drop across a further diode 73 connected in the cathode circuit of the valve 70.
Patent GB-1258793-A (GB)
IPC: C07D205/08
Filed: 1969-05-21
Abstract: 1,258,793. #-Lactams. BADISCHE ANILIN- & SODA-FABRIK A.G. 21 May, 1969 [22 May, 1968], No. 25810/69. Heading C2C. 3,3-Disubstituted #-lactams of formula where R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP> are aliphatic, cycloaliphatic, araliphatic or aromatic radicals, R<SP>3</SP> and R<SP>4</SP> may also be H, R<SP>1</SP> and R<SP>2</SP> together with the adjacent carbon atom may also form a cycloaliphatic ring, and n is 1 or 2 are prepared by dehydrohalogenating at 100-450‹ C., a #- haloamide of formula where X is halogen, in the presence of a basic compound of a metal of Group IA, IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIIB or VIII of the Mendeleef Periodic Table with a substance which has a higher acidity than t-butanol. Specified dehydrohalogenating agents are the carbonates, bicarbonates, oxides, hydroxides, alcoholates, formates and acetates of Li, Na, K, Cu, Ag, Ca, Sr, Ba, Hg, Pb, Fe, Co and Ni. 1-Phenyl-, 1-halophenyl-, 1-p-nitrophenyl-, 1-p-methoxyphenyl-, 1-#-naphthyl- and 1-cyclohexyl-3,3-dimethylazetidinones-(2), N,N<SP>1</SP>-ethylene - bis - (3,3 - dimethylazetidinone- (2)) and N,N<SP>1</SP>-p-phenylene-bis-(3,3-dimethylazetidinone-(2)) are claimed per se. Examples also prepare pivalolactam with hydroxypivalonitrile as by-product, 1,3,3-trimethylazetidinone-(2) and 1,3-dimethyl-3-phenyl-azetidinone-(2). Bromopivaloyl-N-methyl-, N-phenyl-, N-(4- chlorophenyl)-, N-(3,4-dichlorophenyl)-, N-#- naphthyl- and N-cyclohexyl-amides, bromopivaloyl-p-nitranilide, bis-(bromo-pivaloyl)-ethylene diamide, bis-(bromopivaloyl) -p-phenylenediamide and 2 - methyl - 2 - phenyl - 3 - bromopropionyl- N-methylamide are prepared from the appropriate acid chloride and amine.
Patent GB-1264686-A (GB)
IPC: F16K1/226
Filed: 1969-08-11
Abstract: 1,264,686. Valves. JAMESBURY CORP. 11 Aug., 1969 [23 Aug., 1968], No. 40021/69. Heading F2V.  An eccentrically pivoted butterfly valve disc 30 seats on a flexible ring 40 clamped between rigid elements 50, 51 which present lips 501, 51l which inhibit erosion of the ring 40 by the fluid when the disc is in a throttling position of less than 15 degrees to the fully closed position. With the valve closed the fluid pressure on ring surfaces 45, 46 increases the sealing forces on surface 44. The eccentric pivot shaft (20) is journalled in bearings (14, 15) of perforated stainless steel impregnated with polyfluorocarbon, and is secured in a tubular member on the disc by taper pins (36, Fig. 3, not shown). Ring 40 is stated to be of polyfluorocarbon, nylon, polyethylene, rubber or rubber-resin blends.
Patent GB-1290126-A (GB)
IPC: A01J25/11
Filed: 1971-06-18
Abstract: 1290126 Draining curds MACHINEFABRIEK A BIJLENGA NV 18 June 1971 28588/71 Heading A2B A trough for the draining of curds in the manufacture of cheese comprises a strip like screen bottom (11) which can move horizontally stepwise both within and without the trough along guides (9, 9a, 9b, 9c, 9d) whereby the curds may be discharged from the trough, these being an end wall (22) attached to the end of the bottom remote from the discharge end, which discharge end is provided with a cutting device comprising a single cutting member (4) which also acts as an end wall to the trough having its blade vertically arranged and transverse to the screen bottom, which member moves up and down in step with the motion of the bottom, and at least two further cutting members (20) having their blades vertically arranged and directed in the longitudinal direction of the screen bottom and transverse to the screen bottom to cut the curd into blocks. Initially whey is drained off at 7. The screen bottom may be made up of a number of transverse strips. A stripper 27 may be provided to strip the cut curd from the screen. The stepwise motion may be obtained by an actuating rod 16 engaging with the screenbottom and actuated by cylinder 15.
Patent GB-1290374-A (GB)
IPC: E01C23/12
Filed: 1969-12-29
Abstract: 1290374 Working stone L J BLACKBURN 23 Dec 1970 [29 Dec 1969] 58454/69 Heading B5E Apparatus for demolishing or dissembling a structure, such as the wall of a cooling tower, road or concrete pillar comprises a U-shaped frame consisting of sub-frames 10, 12, 14, 16, 18 secured together by plates 20, 22, 24 and channel bars 26 and reinforced by joists 32 and struts. Each leg of the frame has seven square-sectioned tubular guides 36 arranged in an L-shape. Each guide houses a fixed piston 40 and a movable cylinder 42 held against rotation by a square guide-plate 44. Each cylinder is secured to a chisel 46, the chisels 46A at the corner of each L-shape having a right-angled cutting edge. The frame can be supported by a crane or by the wall of the structure to be demolished and the chisels urged towards each other by fluid pressure applied to the cylinders to cut into the wall so that a piece Y, Fig. 3, is broken from the wall, the frame then being moved in the direction Z for the next piece P of the wall to be removed. The apparatus may be used to demolish a roadway by being carried by a tractor having a chain excavator to remove sub-soil beneath the roadway to provide access for the apparatus. In other embodiments, the chisels are mounted on the pistons and the cylinders are fixed, or the chisels on one leg of the frame are fixed and those on the other are movable. The apparatus may be used to cut concrete pillars and consist of a thimble hood having pinching jaws at its skirt.
Patent GB-1295726-A (GB)
IPC: A44B17/00
Filed: 1970-11-11
Abstract: 1295726 Stud and socket fasteners SCOVILL MFG CO 11 Nov 1970 [10 Dec 1969] 53748/70 Heading E2B A fastener for use with weak fabric comprises a male element 12 and a female element 14 each of which is moulded integrally from a resilient plastics material and has a flexible supporting base flange 16, 18 formed with a male or female engaging means respectively at its centre, wherein the engaging means are so arranged that disengagement of the fastener is easier than engagement thereof, and a plurality of prongs 28 are provided which extend from one face of each base flange and are arranged in a circle concentric with the respective engaging means, each prong tapering to a point at its free end for penetrating the fabric and the prongs being deformable outwardly to clamp the fabric against the respective base flanges. In the construction shown one engaging means is a socket having a square opening and the other is a stud of circular section and of slightly larger diameter than the width of the square opening and having in profile a sharper curve on its side remote from the flange; in addition the opening is chamfered on its under side and has rounded edge; the shape of the stud and the edges of the opening providing the easy disengagement and harder engagement. The prongs are each generally triangular in crosssection with a corner pointing towards the stud or opening; this is stated to allow their bending outwardly more readily.
Patent GB-1295750-A (GB)
IPC: F16B5/00
Filed: 1970-10-05
Abstract: 1295750 Releasable fastenings D GREGOROVIC 5 Oct 1970 [6 Oct 1969] 47183/70 Heading E2B A unitary device for attaching an elongate member such as a pipe, tube, duct, cable or conduit to a support, comprises a single strip of resilient material of which a portion extending from one end is configured to provide an anchorage part 2 adapted for use in anchoring the device to the support, the remainder of said strip being configured to provide an integral clamping part 1 adapted for use in establishing clamping engagement with said elongate member, the anchorage part having an elongate tubular configuration and being resiliently compressible in a radial direction whereby it can be inserted and retained under radial compression within a bore of appropriate size in the support, and said clamping part having a first clamping portion 4, integrally connected to a trailing end of the anchorage part.
Patent GB-1296877-A (GB)
IPC: B61C9/14
Filed: 1970-05-04
Abstract: 1296877 Driving railway vehicles; hydraulic power supply arrangement SUOMEN AUTOTEOLLISUUS AB OY 4 May 1970 [5 May 1969] 21414/70 Headings B7H and B7L In a system for driving railway wagons in mines, hydraulic wheelhub motors 4 associated with the wheels 3 of at least one wagon 1 are connected to an hydraulic pressure system included in a power plant vehicle 5 of relatively light construction. The power plant vehicle 5 comprises a frame 6, wheels 9, a driving cab 7 and an engine compartment 8 containing an internal combustion engine and a variableoutput hydraulic pump. The pump may be connected to all four wheelhub motors 4 or to only a selected pair. Hydraulic motors for driving the rear wheels 9 of the power plant vehicle 5 are provided for use only when the vehicle 5 is running alone.
Patent GB-1301757-A (GB)
IPC: B24B53/07
Filed: 1971-02-16
Abstract: 1301757 Tracing grinding wheels ROLLS ROYCE Ltd 16 Feb 1971 4698/71 Heading B3D A method of forming a pre-selected shape on a surface of a crushable member 10 comprises forcing an alumina ceramic tool 18 having a mating shape to the pre-selected shape into the surface in a direction normal thereto. The alumina ceramic consists of at least 90% aluminium oxide and is formed into a crushing wheel freely rotatably mounted in bearings 22, 24 on a slide 16 movable by a lead screw 28 and hand wheel into crushing engagement with a grinding wheel 10 rotatable by an electric motor or the like.
Patent GB-1305887-A (GB)
IPC: F02C7/264
Filed: 1971-07-01
Abstract: 1305887 Burners ROLLS-ROYCE (1971) Ltd 1 July 1971 30823/71 Heading F4T [Also in Division F1] The invention relates to ignition equipment for reheat combustion equipment of a gas turbine engine. The ignition equipment comprises a cylindrical member 22 into which extends a duct 17 to which a supply of metered fuel is supplied, also through inlet duct 21, a supply of air under pressure from the engine compressor, the fuel and air discharging through outlet 25 into the cylindrical member. The cylindrical member is open at its upstream end for inflow of turbine exhaust gases, and a baffle plate 23 is disposed at its downstream end to provide an annular outlet 26 through which the mixture of fuel, air and exhaust gases discharges subsequently impinging on a catalytic ignition device 19 disposed downstream of the member 22 and which causes the mixture to ignite. The combustion gases are utilized to ignite reheat fuel which is supplied through injectors, not shown. An annular flame holding gutter is disposed downstream of the igniter. The baffle plate may alternatively be perforate to allow a portion of the mixture to flow therethrough.
Patent GB-1318654-A (GB)
Title: Bladed rotors
IPC: F01D11/00
Filed: 1970-12-05
Abstract: 1318654 Turbomachine rotors DEFENCE SECRETARY OF STATE FOR 2 Dec 1971 [5 Dec 1970] 57904/70 Heading FIT A turbine or compressor rotor for a gas turbine engine comprises at least one disc 15 having axial slots containing the roots 16 of blades 17, and a centrifugally self-supporting continuous platform ring 19 surrounding disc 15 and having slots through which the blades pass. The platform ring 19 is integral with at least one axially extending sealing ring 23, 24 co-operating with the inner shroud 26 of adjacent stator blades 11 and bolted to disc 15. Radial walls 21, 22 strengthen ring 19, wall 21 also preventing working fluid leakage between roots 16. The rotor blades 17 may include small platforms 18 having inclined surfaces 35, 36 co-operating with corresponding surfaces on the fingers 20 of platform ring 19 disposed between adjacent blades 17 so as to assist vibration damping. Inwardly extending bracing ribs 40 are provided on fingers 20 and abut U-shaped vibration damping spring members 42. In a modification, Fig.5 (not shown) platforms 18 have lips (37, 38) fitting over corresponding lips on fingers 20. In another arrangement, no platforms 18 are provided and the slots in platform ring 19 are reduced to aerofoil shape. The assembly sequences of the different arrangements are described.
Patent GB-1328755-A (GB)
Title: Electric food-heating appliance
IPC: A47J39/02
Filed: 1971-03-17
Abstract: 1328755 Electric cooking apparatus Y TRICAULT and G TRICAULT 17 March 1971 7112/71 Heading H5H Electric cooking apparatus comprises a lid heating resistor 11 and a base heating resistor 5 embedded respectively in heat insulating and refractory materials. In Fig. 1 the base has metal, e.g. aluminium, plates encasing the refractory material e.g. sand, the upper plate 2 being shaped so that a food containing plate 6 fits into the apparatus. The lid has an upper plate 9 of aluminium and a reflective lower plate 8 of stainless steel encasing the heat insulating material e.g. asbestos. The heaters are connected in series via timing mechanism (14) in the handle 12 and plug and socket connectors 15, 16 in the base and lid respectively. In Figs. 3, 4 (not shown) the base is designed for the simultaneous heating of four food containing plates.
Patent GB-1329180-A (GB)
Title: Orgnao-element polysiloxanes having spirocyclic structure of molecules and method of producing the same
IPC: C08G77/58
Filed: 1971-08-12
Abstract: 1329180 Organospiropolysiloxanes MOSKOVSKY INSTITUT TONKOI KHIMICHESKOI TEKHNOLOGII IMENI M V LOMONOSOVA 12 Aug 1971 37844/71 Headings C3S and C3T Organospiropolysiloxanes having the general formula wherein Z=Si or Ti, R, R<SP>1</SP>=CH 3  or phenyl, x=1-8, m=1-30, may be prepared (1) by reacting a monomer (A) of the formula ZY 4  where Y=Cl, OC n H 2n+1 , n=1-4, with an oligomer (B) of the formula where Q=OH or OM, where M is an alkali metal, and x=0-4 at a molar ratio of A : B of 1 : 2, or (2) by reacting monomers (A) with oligomers (C) of the formula where x = 1-4 at a molar ratio of A : C of 1 : 1, methods (1) and (2) being carried out at -10‹ C. to +25‹ C. in organic solvents, or (3) by effecting polycondensation of oligomer (C) where Q=OH at 100-180‹ C. In the examples organospiropolysiloxanes are prepared from (1) 1,5 - disodium - oxy - 1,3,5 - trimethyl - 1,3,5- triphenylsiloxane and SiCl 4 ; (ii) 1,5-dipotassiumoxy - 1,3,5 - trimethyl - 1,3,5 - triphenyltrisiloxane and TiCl 4 ; (iii) 1,3-dihydroxy-1,3- dimethyl - 1,3 - diphenyldisiloxane and SiCl 4  using pyridine as HCl acceptor; (iv) diphenyldihydroxysilane and tetrabutoxytitanium; (v) tetrakis - (3,5,7 - trimethyl - 3,5,7 - triphenyltrisiloxano - 7 - hydroxy)titanium and tetrabutoxytitanium. Many other examples are given. Uses.-Films; binders for fibreglass; crosslinking agents in the production of elastomers.