baber/WOPTO huggingface dataset:
Patent GB-917765-A (GB)
Title: Production of pyridine bases
Inventor: HARGRAVE KENNETH RAYMOND
IPC: C07D213/09
Filed: 1960-11-10
Abstract: Alkyl pyridines are prepared by heating together a mixture of methyl vinyl ketone, acetaldehyde and ammonia.  The process is preferably carried out in the presence of a condensation catalyst and the preferred catalyst is silica and/or alumina which may contain titania, zirconia, ceria or thoria and also zinc, cadmium, tin, lead, tungsten, nickel, cobalt, chromium, molybdenum, iron, copper, palladium or silver or a compound thereof.  Among the products are, for example, a -picoline and g -picoline.
Patent GB-1196997-A (GB)
Title: Digital Memory Cell
IPC: G11C11/402
Filed: 1968-08-13
Abstract: 1,196,997. Data storage. BUNKER RAMO CORP. 13 Aug., 1968 [22 Aug., 1967], No. 38676/68. Heading G4C. [Also in Division H3] A bi-stable circuit of the type comprising two semi-conductors cross-coupled such that one or other conducts depending upon the state of the circuit has complementary data input signal terminals connected to respective semi-conductors through respective field effect transistor switches rendered conducting by concurrent application of signals thereto, e.g. X and Y address signals. The bi-stable circuit shown comprises cross-coupled symmetrical transistors Q 1 , Q 2  having, as loads, normally non-conducting transistors Q 3  and Q 4 . The state is held by the capacitances at the drain of Q 1  and Q 2 . The capacitance at the drain of the non-conducting of these transistors slowly charges and accordingly it is periodically discharged by rendering Q 3  and Q 4  conducting, the capacitance at the other drain remaining charged because the resistance of Q 1  and Q 2  when conducting is much lower than Q 3  and Q 4 . Complementary data sources 24 and 26 are connected to the input of the circuit via transistors Q 5  and Q 6  which become conductive when X and Y address signals are applied to the source and drain of a transistor Q 7 , the Y address signal being removed before the X address to ensure that the gates of Q 5  and Q 6  are discharged to the desired level. Non-destructive read-out to an amplifier 28 is also effected by making Q 5  and Q 6  conduct. The read-out current may be supplemented through transistors Q 11  and Q 13  from transistors Q 10  and Q 12 , the latter being biased for conduction when the associated transistor Q 1  and Q 2  is biased to non-conduction. In Fig. 4, not shown, the Y address signal is applied to transistors (Q 8  and Q 9 ) connected in series with Q 5  and Q 6 . A matrix of such circuits may be formed as an integrated structure in a flat-pack (Figs. 6, 7 and 8, not shown) the circuits in each row being inverted with respect to the next row to reduce cross-overs. The circuits corresponding to the digits of a word are in different integrated circuits.
Patent GB-1361209-A (GB)
Title: Treatment of textile materials
IPC: D06L3/02
Filed: 1971-09-15
Abstract: 1361209 Desizing bleaching and dyeing textile materials IMPERIAL CHEMICAL INDUSTRIES Ltd 15 Sept 1971 [29 Sept 1970 17 Dec 1970] 38742/71 and 60083/70 Divided out of 1335984 Headings D1B and DIP Textile materials are desized, dyed and optionally bleached by a process which comprises applying to the textile material an emulsion of an aqueous desizing agent in a hydrocarbon or halogenated hydrocarbon solvent, which emulsion also contains a dye or pigment. Specified solvents are white spirit, kerosene, trichlorethylene, perchlorethylene, 1, 1, 2-trichloro-1, 2, 2-trifluoroethane and 1, 1, 1-trichloroethane. Specified desizing agents are enzyme desizing agents e.g. amylase and oxidising desizing agents e.g. H 2 O 2 , sodium chlorite, sodium hypochlorite and peracetic acid. Where the desizing agent is H 2 O 2  the process may be carried out in the presence of a base as described in Specification No. 1335984. Specified dyes and pigments are reactive cellulose dyes, solubilised leuco vat ester dyes, disperse dyes and direct dyes. Where leuco vat ester dyes are used the sodium nitrite and acid used to develop the dye may be incorporated in the emulsion or applied to the textile subsequent to application of the emulsion. Emulsifying agents include nonyl phenol/ethylene oxide condensate, polyoxyethylene fatty glyceride, sorbitan mono-oleate, isopropylamine dodecyl benzene sulphonate, coconut oil diethanolamide, sodium di (methylamyl) sulphosuccinate and salts of sulphated fatty alcohols. Cotton, polyester and regenerated cellulosic materials may be treated. The dye may be dissolved in the aqueous or organic phase of the emulsion or in the form of a suspension. Where fabrics are made of a blend of fibres the dye may be evenly distributed by heating in dry air.
Patent GB-917269-A (GB)
Title: Improvements in or relating to pouring spouts for containers
Inventor: BAYLISS MICHAEL JOHN KEITH
IPC: B65D17/32
Filed: 1960-11-14
Abstract: 917,269. Pouring spouts; stoppers. METAL BOX CO. Ltd. July 24, 1961 [Nov. 14, 1960], No. 39076/60. Classes 66 and 125(3). A pouring spout 1 of plastics material, to fit sealingly e.g. a can and having a pouring lip 3, is closed by a diaphragm 8 integral therewith and having a thin outer rim 9 and, on its side facing the inlet of the spout, an integral rod-like projection 10 which, on pressure being applied to the opposite side of the diaphragm, and after partial rupture thereof, engages with the inner wall of the spout to ensure complete separation of the diaphragm and spout. The projection may be alternatively annular or formed by an annular recess closed at its end nearer the spout inlet. The outlet end of the spout may be closed by a plug (not shown) having a rib to engage the groove 7 and which may be separate from or joined to the spout.
Patent GB-1167387-A (GB)
Title: Improvements in Axial Flow Compressors
IPC: F04D27/02
Filed: 1967-08-25
Abstract: 1,167,387. Axial-flow compressors; gas turbine engines. GENERAL ELECTRIC CO. Aug.25, 1967 [Jan.3, 1967], No.39136/67. Headings F1C and F1G. [Also in Division G3] In a single or multi-stage compressor for a gas turbine engine, local stall and thereby incipient total stall is sensed by a pair of angularly-spaced probes 40, 42 through which pressurized air received through line 44 and reducing orifices 50, is discharged into the first compressor stage. These probes sense a pressure differential created by local stall, and this pressure differential is used in an amplifier 52 to divert the power stream from nozzle 54 into one of a pair of receivers 56, 58 each discharging into a conduit 66 having a vent orifice 70. The pressurized air discharged into conduit 66 diverts the power stream from a nozzle 72 in a second amplifier 68 into a fluid receiver 80 for flow to a transducer 84, as of the Piezo-electric type. The transducer electrically controls a valve 88 which regulates the flow of pressurized fluid through conduits 34, 36 to an actuator 32 to adjust the pitch of compressor stator blades 22 and thereby neutralize the stall, after which the blades are returned to their normal pitch positions. A pressure input signal may be purposely put into one of the probe conduits 46, 48 to adjust the blades when heated inlet air is expected, e.g. as in the operation of a thrust reverser or the firing of rockets from an aircraft propelled by the gas turbine engine. The stall may instead be neutralized by bleeding air from the compressor discharge or by reducing fuel flow to the combustion chamber 23. Probes 40', 42' are also provided in the final compressor stage to neutralize local stall in a manner similar to that of probes 40, 42.
Patent GB-1081119-A (GB)
Title: Improvements in suspension filing apparatus
IPC: B42F15/00
Filed: 1965-09-14
Abstract: 1,081,119. Filing papers. OXFORD FILING SUPPLY CO. Inc. Sept. 14, 1965 [Dec. 22, 1964]; No. 39209/65. Heading B6E. A frame or stand, which supports files in a suspension filing, system, can be readily assembled without tools in one case; or with a small: screwdriver in another case, from simple parts comprising, two identical end frames 10 each having a base 12 and two legs 14, 16, the legs having horizontal extensions (16a Fig. 2) to receive the suspension rails 20, 22, a horizontal cross-bar 18 having offset end portions (18a) to fit over the rails, and a pair of spring levers 28, 30, the levers, legs and bar being retained together by screws 24, 26 or the like. The rails 20, 22 (Figs. 2 and 3) have rounded outer corners engaging lips 16b, 18b on the legs andbar 18; the screws 24, 26 pass freely through holes in the levers 28, 30 and bar 18, and have screwthread engagement with the legs 14, 16, and when the spring levers are swung so that their shaped ends (30b) can be engaged over thebar 18, the force exerted by the spring levers clamps the rails 20, 22 between the extensions (16a, 18a). In a modification (Fig. 4), where no screwdriver is required, each spring lever (130) is bent at (130C) and rounded at that end, and has an elongated slot (130D) in that end. With the levers in the operative position, force is exerted on the bar (18) by the rounded ends of the portions (130C).
Patent GB-1281337-A (GB)
Title: Improvements in or relating to an actuator for use in a hydraulic braking system
Inventor: BALLAND DONALD HENRY
IPC: F16D65/22
Filed: 1968-08-16
Abstract: 1281337 Brake actuators CLAYTON DEWANDRE CO Ltd 1 Aug 1969 [16 Aug 1968] 39350/68 Heading F2F In a brake actuator having two coaxial pistons 4, 5 in abutment within a housing 1 when the brakes are in an "off position", the brakes are normally operated through a push rod 10 when hydraulic fluid from a service line is supplied through a port 6 to actuate piston 5, piston 4 being maintained in abutment with the end face of the housing, and the brakes are held locked by a locking mechanism when pistons 4, 5 are both actuated pressure fluid being supplied from a parking line through a 7 to act on piston 4. The locking mechanism comprises a spring-loaded arrangement of balls or rollers 11 engaging a wedge 12, hydraulic control pressure, which is normally supplied via a port 15 to a thrust plate 14 moving balls 11 against a spring 13. Piston 4 may be hollow and engage two ring seals 8 communicating via a port 9 with a reservoir so that leakage past either port results in pressure loss in only one of either the service or parking lines. In a further embodiment the piston 4 is solid and has a single ring seal and a face seal on the working face of the piston which engages a seat arranged around port 7 in the normal braking position.
Patent GB-895714-A (GB)
Title: Improvements relating to conveyor systems for service purposes in catering establishments
IPC: B65G47/50
Filed: 1957-12-20
Abstract: 895,714. Endless conveyers. CUNLIFFE, R. T., and CUNLIFFE, B. J. Dec. 12, 1958 [Dec. 20, 1957], No. 39585/57. Class 78 (1). [Also in Group XVIII] A conveyer system for serving meals comprises a travelling conveyer 10 extending from a control and loading station to a number of serving positions 20, the conveyer driving a rolleroperated micro-switch pulse unit connected to a uniselector whereby the conveyer can be caused to stop when its load is opposite any desired serving position 20. The conveyer 10, which carries trays to the customers, is driven by an electric motor of low starting torque and underneath is provided a return conveyer for returning used crockery. Each position 20 is provided with a panel 40 for selection of menu items. Depression of one or more buttons on a panel 40, for example that associated with customers position 2, closes a switch PB 2A, Fig. 10, which energizes a self-holding relay 2A whereby a menu item lamp lights up on the control panel 30, Fig. 4, on a line corresponding to the customer position 2, and the circuit of a time indicating lamp 36 on the board 30 is energized to indicate the time for which the item has been ordered. After a loaded tray has been placed on the conveyer the button 2, Fig. 4, corresponding to the customer position is pressed which opens the conveyer control switch PB2, Fig. 10, to de-energize the relay 2A and cut out the corresponding lamps on board 30 and energizes self-holding conveyer control relay No. 2, Fig. 9, to complete the circuit to the conveyer motor. Simultaneously the number 2 contact on a uniselector switch is connected to the supply line and as the conveyer moves it rotates a roller 60 which operates a micro-switch at each revolution, corresponding to the distance between the customer positions, to energize a uniselector coil which steps the uniselector switch around one step for each customer position. When the energized uniselector contact, i.e. number 2, is reached, a relay 58, Fig. 9, is energized to break the circuit of the conveyer control relay 132 to stop the conveyer and simultaneously close the circuit of a relay 65 which energizes a device for returning the uniselector switch to zero. Additional lamps in parallel to those on the control panel 30 may be provided to indicate the number of outstanding items ordered and counter relays 56 are energized momentarily when the order buttons are pressed to operate an electromagnetic counting device.
Patent GB-352001-A (GB)
Title: Process for the preservation of bodies and anatomical specimens
IPC: A01N1/00
Filed: 1929-12-28
Abstract: Corpses and anatomical specimens are embalmed or preserved by placing them in a closed chamber on a mattress impregnated with chemicals serving to generate gaseous formaldehyde and with hygroscopic substances such as glycerine or calcium chloride to absorb the heat of the reaction and to dry the gas.  The corpse or specimen is treated for a period of about forty hours and may then be withdrawn from the chamber.  According to an example the mattress contains trioxymethylene, vegetable carbon, potassium permanganate, calcium chloride and pine or fir sawdust, the whole being moistened with a 40 per cent solution of formaldehyde in water.  Specifications 15368/97, [Class 81, Medicine &c.], 261,908 and 269,442, [both in Class 81 (i), Disinfecting &c.], are referred to.
Patent GB-922074-A (GB)
Title: Fluid discharge flap valve
Inventor: VEARS JAMES ALFRED
IPC: F16K15/16
Filed: 1958-12-09
Abstract: 922,074. Washing-machines. A.E.I.-HOTPOINT Ltd. Nov. 13, 1959 [Dec. 9, 1958], No. 39698/58. Class 138 (2). [Also in Group XXIX] Fluid under pressure, e.g. water from a pump of a washing-machine, is supplied to a housing 2 and is prevented from passing through the outlet into a container 1 e.g. the bowl of the washing-machine, by a flap valve 8 integral with or hinged to a gasket 3 located between a plate 5 and the wall 1 of the container on which the flange 2<SP>1</SP> of the housing 2 is mounted, a gasket 4 being interposed between the flange and the wall. The flap 8 is moved to the open position by inserting a draining hose 6 into the outlet. The housing 2 has an additional outlet 9 which is open when the flap valve 8 is closed.
Patent GB-854840-A (GB)
Title: Improvements in and relating to pneumatic tires
IPC: B60C19/12
Filed: 1958-12-09
Abstract: 854,840. Tubeless tyres. GIBBS, E. H. Dec. 9, 1958, No. 39725/58. Class 144 (2). A tubeless tyre has an annular puncture-sealing body 19 extending at least across its inner crown area, and if desired from bead to bead, said body comprising spaced walls 20, 21 of vulcanized rubber interconnected by at least circumferentially extending laterally spaced webs 22 defining annular cells 23 which are filled with a puncture sealant 24, the radially outer wall 21 being bonded integrally to the inner lining 15 of the tyre and the inner wall 20 preferably being coated with a thin layer 25 of the puncture sealant. The walls 20, 21 may be additionally interconnected by circumferentially spaced transverse webs to form small cells. Two such bodies 19 may be superimposed on the inner surface of the tyre with their respective cells in staggered relation and with one or both said bodies extending from bead to bead, or with both said bodies covering the crown area only.
Patent GB-1168498-A (GB)
Title: Loose-Leaf Binder
Inventor: NORMAN LESLIE ALBERT
IPC: B42F13/00
Filed: 1967-08-31
Abstract: 1,168,498. Filing papers. TWINLOCK Ltd. 6 Aug., 1968 [31 Aug., 1967], No. 39986/67. Heading B6E. A loose leaf binder is adapted to form a carrying case in its closed condition (Fig. 1, not shown), by the provision of two covers 2, 3 joined by a spine 1 and a panel 6 joined to the cover 3 and having a flap 7 attached thereto, the arrangement being such that when the binder is closed by folding, the flap 7 overlaps the cover 2 and may be fastened thereto by a press-stud fastener 8, 9. A binding mechanism 4 is fixed to the cover 3 adjacent the panel 6, and a similar binding mechanism may be fixed to the cover 2. Side walls 11, 13 may be joined to the covers 3, 2 respectively, the side walls 11 being provided with tongues 12 which are engageable in recesses 14 formed in the side walls 13 to form side walls of the carrying case in its closed condition. A handle (16, Fig. 1) is attached to the panel 6.
Patent GB-1457848-A (GB)
Title: Dialysis apparatus
IPC: A61M1/16
Filed: 1974-09-18
Abstract: 1457848 Peritoneal dialysis AMERICAN MEDICAL PRODUCTS CORP 18 Sept 1974 40660/74 Heading A5R [Also in Division F2] A gravity fed peritoneal dialysis apparatus is provided including control apparatus to allow a patient to treat himself, which control apparatus comprises first and second means 80, 82 for regulating the flow of dialysis fluid through said dialysis apparatus, means 24 for controlling said first and second means to alternately permit flow of dialysis fluid therefrom, and means 20 for detecting a minimum quantity of fluid drainage before the fluid is discharged therefrom. As described the regulating means 80, 82 are a pair of pinch valves operated by controlling means 24 which is a pair of rotating cams driven by an electric motor. Detecting means 20 is a fluid weighing device arranged to trigger an alarm if a minimum weight of fluid is not detected after a preset period of drainage from the patient. A control circuit (Fig. 8 not shown) of timers and relays enables a series of filling and draining. cycles to be carried out automatically. The dialysis apparatus also comprises a reservoir 14 for dialysis fluid, a vessel 16 for measuring a predetermined quantity of fluid, in which also the fluid is heated to a controlled temperature, a catheter 18 and a receptacle for discharged fluid 22.
Patent GB-1474903-A (GB)
Title: Road marking compositions
IPC: E01F9/04
Filed: 1973-08-30
Abstract: 1474903 Road making compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 7 Aug 1974 [30 Aug 1973] 40885/73 Heading C3P Compositions free from plasticizing oil and suitable for making into road marking compositions comprise a dry-mix of (1) a thermoplastic resin melting in the range 70‹ to 200‹ C. and being selected from low molecular weight polyethylenes, terpene resins, polymers and copolymers of styrene and its homologues, and petroleum resins, and (2) aggregate. The compositions may also comprise ballotini, pigment and fillers, and may be converted to road marking compositions by mixing and heating with plasticizing oils. In an example an aggregate of calcium carbonate and ballotini is dry-mixed with chalk filler, titanium dioxide and petroleum resin, and the resulting free-flowing powder blended with mineral plasticizing oil at temperatures up to 160‹ C.
Patent GB-1106645-A (GB)
Title: Improvements in or relating to rotary piston internal combustion engines
Inventor: LUPEI ANTON
IPC: F02B53/00
Filed: 1965-09-27
Abstract: 1,106,645. Motor vehicles. MOTORRADWERK ZSCHOPAU VEB. 27 Sept., 1965, No. 40935/65. Heading B7H. [Also in Division F1] An air-cooled, rotary-piston I.C. engine, of the type comprising a central housing part 1, Fig. 1, having a bi-arcuate epitrochoidal profiled working chamber within which a threesided piston 5, planetary rotates, is mounted on a two-wheeled vehicle with the major axis of the housing inclined with respect to the ground and the hot zone of the engine which includes, above and below the axis respectively, the exhaust port 7 and ignition point facing forwardly. In one embodiment, Fig. 3, the central housing part 1 includes a forwardly facing control fin 10 extending circumferentially around the hot zone and laterally extending horizontal fins 11 aligned with similar fins 9 on lateral housing parts 2, 3. Cooling holes 16 between the fins 9 permit cooling of internal engine parts subjected to thermal stresses. The outer ends of these fins may be fitted with intervening stabilizing webs 15. In another embodiment, instead of the central housing part having a central circumferential fin 10 and lateral horizontal fins 11, there may be a plurality of circumferential fins.
Patent GB-1394997-A (GB)
Title: Bituminous sheeting
IPC: D06N5/00
Filed: 1971-09-02
Abstract: 1394997 Laminates RUBEROID Ltd 31 Aug 1972 [2 Sept 1971] 41068/71 Heading B5N A sheeting which may be used as an underslating felt for a roof, comprises a layer of fibrous material embedded in a bituminous material consisting of or comprising bitumen and/or pitch having laminated thereto on at least one face a woven, non-woven, cast or extruded fabric, mesh or netting of synthetic organic fibre, e.g. nylon, regenerated cellulose, cellulose acetate, polypropylene or polyethylene terephthalate. The fibrous material embedded in the bituminous material may be a felt, mat or fabric of natural or synthetic organic and/or inorganc fibres, e.g. rag felt, an asbestos or glass fibre mat or fleece or a glass fibre fabric. The bituminous material which may be blown or oxidized bitumen, straight run bitumen and/or coal tar pitch, may contain 10-70% by weight of a comminuted filler, e.g. sand, fly ash, slate powder, limestone or asbestos. The sheeting may be produced by coating the bitumen-saturated fibrous layer on both faces with a filled bitumen and partially embedding a fabric therein. An antitack coating, e.g. sand or talc, may be applied.
Patent GB-928040-A (GB)
Title: Improvements in or relating to baby carriages
IPC: B62B7/08
Filed: 1959-12-05
Abstract: 928,040. Nursery chairs. D. C. ALDERSON. Feb. 9, 1961 [Dec. 5, 1959], No. 41383/59. Class 52 (2). [Also in Group XXXII] A push chair has its forward wheels 11 rotatably mounted on the chassis 10 and its rear wheels 12 mounted on extensions 40 which slide in side members 39 of the chassis 10. The seat assembly 23 is mounted on bearer members extending through slots 22 in the tubular side members 16 so as to be movable from the normal push chair level to the elevated position shown in which it can be used as a high chair. During the vertical raising of the seat assembly 23 by use of the handles 30 the cranked link 31 is drawn rearwardly and upwardly by the links 32, 33 thereby automatically extending the wheel base via the thrust links 43. The chair may be collapsed when the seat assembly is in the lowered position by breaking the toggle struts 18, 19 and rotating the side members 16 forwardly.
Patent GB-1123221-A (GB)
Title: Improvements in or relating to refractory compositions
Inventor: WOODHOUSE DENNIS
IPC: C04B35/66
Filed: 1965-09-29
Abstract: A refractory composition comprises fine material passing F2 B.5. and a dry chemically inert (defined) absorbent containing a liquid chemical bonding agent which binds the composition on the addition of water.  Specified bonds are H2SO4, HCL1, HCrO4, H3PO4 and a sequestered phosphatic solution, whilst absorbents are kieselguhr, bentonite, fuller's earth, chrome ore or quartzite.  Refractories specified are dead burnt magnesite, alumina and chrome ore, and coarser fractions can be present. Boric acid is an optional ingredient.