baber/WOPTO huggingface dataset:
Patent GB-981138-A (GB)
Title: Improvements in and relating to the manufacture of acrylonitrile
Inventor: NEWMAN FRANK CHRISTOPHER
Filed: 1962-12-17
Abstract: A method for producing acrylonitrile comprises passing a vapour phase mixture comprising propylene, a molecular oxygen-containing gas, ammonia and steam at an elevated temperature over an oxidation catalyst and is characterized in that the reactants are preheated and that before contact with the catalyst ammonia and propylene are not contacted with the oxygen-containing gas at a temperature above 300 DEG  C.  The preheating may be performed by heating Ihe total reactant mixture to a temperature below 300 DEG  C. or by heating one or more of the reactants to a temperature above 300 DEG  C. provided that when mixed with the remaining reactants the resultant temperature is below 300 DEG  C.  The catalytic reaction may be performed above 300 DEG  C., preferably 300 DEG  to 600 DEG  C., employing fixed or fluidized bed techniques and the oxygen-containing gas may be diluted with inert gas(es). In the examples a tin oxide/antimony oxide catalyst was employed but other specified catalysts are bismuth molybdate, phosphomolybdate or tungstate; antimony molybdate; tin antimonate; and cobalt molybdate.
Patent GB-1536678-A (GB)
Title: Pressure transmission system
IPC: G01F1/38
Filed: 1975-11-20
Abstract: 1536678 Measuring fluid-pressure ITT INDUSTRIES Inc -20 Nov 1975 [21 Nov 1974] 47819/75 Heading G1L A pressure transmission system 16 comprises two liquid filled bellows assemblies 35, 37 each comprising a bellows 36, 38 sealed within a housing and with connections to the space inside and outside the bellows, the assemblies being connected whereby pressure can be transmitted but input and output liquids are kept separate. The system is used to measure flow, pressure and liquid level of hot, radioactive or corrosive liquids. The output 24 is connected via a detachable coupling to a pressure sensitive device 34.
Patent GB-1480084-A (GB)
Title: Binless sheet sorter
IPC: G03G15/00
Filed: 1974-11-05
Abstract: 1480084 Sheet ordering XEROX CORP 5 Nov 1974 [7 Nov 1973] 47862/74 Heading B8R To produce collated sets from sheets issuing from a copying machine, the page 1 sheets are fed through rollers 110, 111 on to the surface of drum 120, the drum being first rotated in a direction to feed a sheet onto the surface and then in succeeding pages to produce a series of inter leaved collated sets which are removed from the drum by shoot 150 and rollers 160, 161. The removal of more than one set at a time is pre vented by pressure roller 170. The sets are stacked in a receiver 180 which is reciprocated to displace alternate sets.
Patent GB-1237870-A (GB)
Title: Electrical switches
Inventor: LEWIS KEITH
IPC: H01H23/16
Filed: 1967-10-23
Abstract: 1,237,870. Snap-action switches. JOSEPH LUCAS (INDUSTRIES) Ltd. 21 Oct., 1968 [23 Oct., 1967], No. 48013/67. Heading H1N. An electric switch comprises a casing 11, a base 12 carrying two pairs of contacts 12a, 12b, a bridging contact 24 carried by slider 23 and an operating member 33. Slider 23 has a pair of flanges (26), 27, one on each side, engaging with a pair of lugs (17, 18), 19, 20 upstanding from each side of casing 11 preventing movement of slider 23 parallel with base 12, a pair of upstanding portions carrying between them a compression spring 29, and two cam surfaces 32. The operating member 33 has two downwardly projecting arms 34 engaging cam surfaces 32 and two further arms 35 which pass through slots in the centres of the upstanding portions on the slider carrying spring 29. Spring 25 presses slider 23 upwardly so that cam surfaces 32 press against arms 34. If the operating member 33 is tilted clockwise, the right-hand arm 35 compresses spring 29 against the lefthand upstanding portion on the slider. Simultaneously, arm 34 rides up cam surface 32 so that slider 23 is depressed against the action of spring 25 until flanges (26), 27 are depressed below lugs (17), 19, and spring 29 moves slider 23 to the left bridging contacts 12b. To return the switch to its off position or to bridge contacts 12a, operating member 33 is tilted anticlockwise.
Patent GB-1055110-A (GB)
Title: Improvements in spindle-supporting means for rolling mills
IPC: B21B35/14
Filed: 1964-11-26
Abstract: 1,055,110. Rolling. SCHLOEMANN A.G. Nov. 26, 1964, No. 48064/64. Heading B3M. A spindle support for the driving spindles 14 of a rolling mill having a pair of horizontal rolls mounted side by side or mounted obliquely one above the other includes a journal bearing casing 13 in which a spindle 14 can slide, the casing being carried by a counterbalanced pivoted lever 5, 6. The casing is rotatable about an axis 16, in a support 18 which itself is shaped to pivot about a horizontal axis 20 in a cylindrical groove 19. The lever 5, 6 pivots about a horizontal axis 8 in a block 2 which rotates about a vertical axis 4 in a base 1. In an alternative form each of the arms 5, 6 may be bifurcated, with the support 18 rotatably mounted between the two portions of arm 6.
Patent GB-1189908-A (GB)
Title: Process for the Contacting of Semi-Conductor Arrangements
Inventor: HEISE SIEGBERT
IPC: H01L21/28
Filed: 1967-10-24
Abstract: 1,189,908. Semi-conductor devices. WERK FUR FERNSEHELEKTRONIK VEB. 24 Oct., 1967, No. 48292/67. Heading H1K. [Also in Division C7] Electrodes are applied to the P-type regions of a semi-conductor device having at least one PN junction by placing the device in an electrolytic bath and applying an alternating current between an N-type region and a counter electrode in the bath. Electrode material is deposited on the P-type regions owing to the rectifying action of the junction but there is no resultant deposit on the N-type regions. If it is desired to deposit electrodes on N-type regions as well, for example in a transistor, the surface of the device is covered with an oxide layer, windows are formed in the layer at the points where electrodes are required, and metallic conductive tracks are vapour deposited on the layer to connect each N-type region with an adjacent P-type region. Lacquer layers are applied to the tracks except where they contact the regions, and electrolysis is carried out as before so that electrode material is deposited on the exposed parts of the regions.
Patent GB-1387970-A (GB)
Title: Fluid suspension for road vehicles
IPC: B60G17/033
Filed: 1973-10-17
Abstract: 1387970 Hydro-pneumatic suspension systems ARDIE-WERK GmbH and FRIESEKE & HOEPFNER GmbH 17 Oct 1973 [18 Oct 1972] 48305/73 Heading B7D In a road vehicle suspension system having hydro-pneumatic suspension cylinders 20 acting on opposite ends of a front axle connected to separate hydraulic levelling circuits 1, 2 ineluding individual levelling valves 3, 4, the opening times of the levelling valves 3, 4 are automatically adjusted relative to one another in dependence on the pressure in the circuits 1, 2 so that the pressure in the suspension cylinders 20 tends to be equalized during levelling operations and neither front wheel is completely relieved of load when operating over uneven terrain. The levelling valves 3, 4 are connected to common level sensing means 7 on the front axle through a connecting linkage 6 having geometry which is varied to adjust the relative opening times of the valves by a piston and cylinder unit 5 having a piston 11 centralized by a spring and subjected on opposite sides to the pressure in the respective cylinders 20. The suspension cylinders 20 communicate with pressure accumulators 21 through throttle restrictions or valves, and anti-roll cylinders 22 acting in opposition to the cylinders 20 are each connected to the cylinder 20 at the respective opposite end of the axle. The levelling valves 3, 4 are connected through a throttle valve 23 to a reservoir 24 and supplied with pressure fluid through non-return valves 16 from a main accumulator 13 charged by a pump 14 with a relief valve 15.
Patent GB-1037180-A (GB)
Title: Improvements in or relating to kitchen appliances
IPC: A47J43/08
Filed: 1962-12-21
Abstract: 1,037,180. Cutting foodstuffs; cooking apparatus. RONSON CORPORATION. Dec. 21, 1962 [Dec. 26, 1961], No. 48407/62. Headings A4C and A4D. [Also in Divisions B1 and F2] In a mixer and liquidiser, an insulated thermostatically-controlled heating element 64 is disposed adjacent the aluminium base 24 of a bowl 12 to allow for simultaneous maceration and cooking. For instance, operation of blades 18 at a speed of 15,000 r.p.m. in combination with heat input allows whole raw potatoes to be mashed and cooked in eight minutes, and apple sauce may be similarly made in six minutes. The top part of the bowl is of glass or plastics and has a deflecting rib 54. The blades 18 comprise a pair of substantially horizontal blades 134 and a pair of substantially vertical blades 136 (Fig. 8, not shown), all with chamfered front edges and a positive rake.
Patent GB-1170328-A (GB)
Title: Improvements in or relating to Aircraft Gas Turbine Jet Engine Air Intakes
Inventor: SMITH JOHN PHILLIP
IPC: F02C7/05
Filed: 1967-10-25
Abstract: 1,170,328. Gas turbine engines - air switches. HAWKER SIDDELEY AVIATION Ltd. Oct. 25, 1968 [Oct. 25, 1967], No. 48560/ 67. Heading F1G. The invention relates to an air intake assembly for an aircraft gas turbine jet engine in which means are provided to blow a sheet or curtain of air so as to insulate the air stream flowing towards the intake from the ground thus preventing the ingestion of stones or other debris into the intake. In the embodiment shown, a tubular member 11 projects forwardly from a lower part of the air intake 13, the member being formed with two series of orifices 17 along each side thereof, the orifices being directed at 30 degrees below the horizontal plane. The tubular member is connected by ducting 15 to a tapping on the engine compressor so that in operation screens of air as indicated at 16 are formed forwardly of the air intake thus preventing ingestion into the engine of debris from the ground surface 18. The supply of air may be cut-off in response to forward speed of the aircraft since such ingestion is not liable to occur once the aircraft has attained a certain ground speed. Instead of two inclined air screens as shown, a conical air screen may be formed by injecting air from a central spray rose.
Patent GB-1375668-A (GB)
IPC: H01L25/16
Filed: 1972-05-09
Abstract: 1375668 Welding by pressure HEWLETTPACKARD CO 9 May 1972 [20 May 1971] 48593/73 Divided out of 1375667 Heading B3R A cylindrical member 15, Fig. 5, having a ductile outer surface is fixed in an aperture having ductile walls by simultaneously inserting the member and applying force by means of the fixture 28 so that walls of the aperture are squeezed in on the member 15, the scrubbing action therebetween causing a cold diffusion weld to be formed. The method may be used to fix electrical feedthroughs in the supports for integrated circuits. Member 15 may be of beryllium copper, phosphorus bronze or stainless steel coated with copper, and the plate 11 may be of aluminium first plated with zincate then plated by immersion nickel plating and finally electroplated with gold.
Patent GB-1433187-A (GB)
Title: Device for applying flame scarfing powder to the surface of a workpiece
IPC: B05B7/14
Filed: 1973-10-18
Abstract: 1433187 Flame scarfing MESSER GRIESHEIM GmbH 18 Oct 1973 [21 Oct 1972] 48634/73 Heading B3V  A device for applying flame scarfing powder to a workpiece comprises at least two powder inlet spigots 26, 28 for supplying powder from a storage container (38) (Fig. 4, not shown) to a chamber 22 in the device and a plurality of sideby-side outlet passageways 42 connected to the chamber 22 for supplying powder with the aid of a conveying medium such as compressed air to the workpiece, via an outlet 48. The storage container (38) is connected to a pressurized main storage container (64) and by flexible hoses (30, 32) to chamber inlet pipes 26, 28 which are inclined at 30-75 degrees with the chamber axis 24. A third pipe 26a may be provided in which case the pipe 28 may be vertically arranged. Outlet channels 44 which lead to outlet bores or an outlet slot 48 are connected to a compressed air supply conduit 54 by channels 50 and a chamber 52. Nozzles 56 are positioned in the channels 44 to produce a suction to draw iron powder from the chamber 22 into the channels 44 where it is carried by the compressed air to the outlet slot 48. When the compressed air supply is turned off, the powder accumulates (Fig. 3, not shown) in the passageways 42, which may be raised. The device is mounted on a scarfing torch 14 which is rotatable to enable the side faces of a workpiece to be scarfed. The device is cooled by a system 60 and is provided with a conduit 58 for supplying purifying air to the slot 48.
Patent GB-1253745-A (GB)
Title: Dual speed timer for electronic ovens
IPC: G04F3/06
Filed: 1969-10-06
Abstract: 1,253,745. Time switches. INTERNATIONAL REGISTER CO. 6 Oct., 1969 ]2 May, 1969] No. 49037/69. Heading H1N. An interval timer with two speeds, e.g. for use in microwave ovens, comprises a time interval setting shaft 23 on which switch cam assemblies 34, 35 are non-rotatably and slidably mounted for closing and opening switches 30, 31 at the beginning and end of the set time interval, a gear train interconnecting the timer motor 74 and shaft 23 and including a high speed gear 73 and a low speed gear 72, and a knob 24 for shifting the connection of the shaft 23 from the high speed gear 73 to the low speed gear 72 to change the time that the switches are closed by their respective cam assemblies. A driven gear 71 provides the connection between shaft 23 and gear 73 or 72. Shaft 23 is spring biased to normally maintain gear 71 in engagement with gear 73, so a pivoted, spring-biased latch 85 is needed to hold gear 71 against gear 72 when shaft 23 is endwise shifted to that position, the latch having a tooth 86 engaging a latch cam 40 secured to shaft 23. A shoulder 95 on latch 85 acts as a stop for limiting rotation of latch cam 40 in the " OFF " position. Latch 85 is released as cam 40 approaches the end of the set time interval, tooth 86 then registering with a notch 94 in the cam 40. If knob 24 is accidentally moved inwardly when set for low speed operation, latch 85 is released. An audible signal is given at the end of the set interval by an adjustable pivoted buzzer arm 100 approaching an extension 103 of the magnetic field structure of the synchronous motor 74, the arm 100 being held in an inoperative position until a pin 114 on driven gear 71 engages a cam surface 113 on the end 112 of a pivoted lever 107 retaining the arm 100. Arm 100 vibrates until motor 74 is de-energized. Microswitches 30, 31 open and close in predetermined sequence and control, e.g. a cooling fan for a microwave generator and the energization of the generator, as well as the energization of the motor 74, Fig. 16 (not shown). Different diameter gears may be substituted in the gear train to vary the possible time interval settings, Figs. 12-14 (not shown), a choice of openings 81, Fig. 15 (not shown), being provided in the back plate 14. Typical two-speed, time scales are 0-5 or 0-20 minutes, Fig. 2 (not shown), as set on a dial 22 rotated by knob 24.
Patent GB-1485595-A (GB)
Title: Process for preparing chlorine-containing polyalkenamers
IPC: C08G61/08
Filed: 1975-12-01
Abstract: 1485595 Chlorine-containing polyalkenamers GOODYEAR TIRE & RUBBER CO 1 Dec 1975 [2 Jan 1975] 49238/75 Heading C3P A mixture of a Diels-Adder adduct derived from hexachlorocyclopentadiene and a monocyclopolyene and a monocyclopolyene comonomer, obtained from the adduct-forming reaction, is subjected to ring-opening copolymerization. The adduct of the formula is preferably employed together with 1,5-cyclooctadiene comonomer. The usual tungsten chloride/(organo)aluminium halide or tetrahydrocarbyl tin catalysts may be employed in the ring-opening, the examples referring to or mixtures.
Patent GB-1341138-A (GB)
Title: Filter apparatus and method of filtration
IPC: B01D21/00
Filed: 1971-10-22
Abstract: 1341138 Measuring density INDUSTRIAL FILTER & PUMP MFG CO 22 Oct 1971 [18 Jan 1971] 49247/71 Heading G1S [Also in Division B1] The cake discharge outlet of a filter apparatus 10 for separating solids and liquids is controlled by means of a density detector 35 which opens outlet valve 31 to remove solids-rich liquid when the density in the chamber 12 below the filter elements 16 exceeds a predetermined value. The detector operating to close valve 31 again when the liquid density falls back below the predetermined value. In operation of the filter apparatus liquid to be filtered enters at 18 passes through the filter elements 16 and filtered liquid exits at 20. Solid cake builds up on the outside of the filter elements and is periodically discharged 'simultaneously from all the elements whereupon it falls into the chamber 12 below the filter elements and is withdrawn by port 28 and valve 31 as the density therein exceeds the predetermined value. The density responsive means is arranged so that it will not operate to open discharge valve whilst the cake is being discharged from the filter elements.
Patent GB-1292158-A (GB)
Title: Furnace tanks
IPC: C03B5/04
Filed: 1969-10-09
Abstract: 1292158 Float glass containers GLAVERBEL 9 Oct 1969 [30 Oct 1968] 49686/69 Heading C1M [Also in Division F4] A float tank which holds a bath of molten material such as tin for a float glass process and has at least one wall located below the surface level of the bath, comprises a layer of prefabricated refractory elements and is formed in such manner that there are paths along which gas could pass from the interior of the furnace or tank through at least part of the thickness of the wall via the joints between the elements, such paths, however, being of such restricted cross-sectional dimensions that the molten material cannot by virtue of surface tension, flow through said paths. As shown, powdered carbon 58 is used to provide a barrier between blocks 56.
Patent GB-1397825-A (GB)
Title: Vacuum cleaner nozzle
IPC: A47L9/06
Filed: 1972-10-27
Abstract: 1397825 Vacuum cleaner nozzle SIEMENSELECTROGERATE GmbH 27 Oct 1972 [27 Oct 1971] 49764/72 Heading A4F A vacuum cleaner nozzle comprises a working strip 8 which defines the forward edge of the nozzle and agitatates the surface being cleaned, and a duct 3 which is open laterally of the nozzle and contains a retractable and extendable brush 5. The duct 3 extends over the entire width of the nozzle, and is in communication with a suction aperture 11, being adjacent the strip 8 which may be raised so as to allow suction cleaning up to a wall. Means 12 may be provided in a central channel for removing thread. A second duct 2 containing a brush 4 may be employed, the duct 2 being in communication with aperture 11. The brushes 4,5 may be connected together. One or two travel rollers covered with carpet like material may be provided.
Patent GB-1326848-A (GB)
Title: Fluid dispensing device
Inventor: BALDWIN B E
IPC: A61M5/34
Filed: 1971-10-26
Abstract: 1326848 Liquid injecting apparatus MPL INC 26 Oct 1971 [10 Nov 1970] 49767/71 Heading A5R To separate the liquid L from the metallic cannula 45 before use, pre-filled liquid dispensing apparatus comprises a barrel 21 defining a chamber for the liquid, having a constricted mouth 26 in which is wedged a rubber valve plug 51, and a by-pass chamber 46 of larger diameter than the mouth 26, so that on operating a piston 63 the plug 51 is forced out of the mouth 26 into the by-pass chamber and allows the liquid to pass to the cannula 45 via the mouth 26 and the by-pass chamber. The plug has a cylindrical mid-section 53 and has its ends tapered and of cruciform shape so that it does not prevent liquid from leaving the by-pass chamber. The apparatus may take the form of either a syringe, or of a disposable cartridge which fits into a syringe body. The apparatus may be used for either dispensing or aspirating liquid. The unstressed diameter of the plug is smaller than that of the by-pass chamber, and is sufficiently larger than that of the mouth to prevent it from being forced back into the mouth. The plug is longer than the internal diameter of the by-pass chamber.
Patent GB-1017377-A (GB)
Title: Releasable aircraft engine pods
Inventor: DAY GEORGE ARTHUR
IPC: B64C29/00
Filed: 1963-12-18
Abstract: 1,017,377. Detachable aircraft engine pods. BRISTOL SIDDELEY ENGINES Ltd. Dec. 11, 1964 [Dec. 18, 1963], No. 49912/63. Headings B7G and B7W. A releasable engine pod for an aircraft has at least one gas turbine jet engine arranged to impart upward thrust to the pod, and is capable of attachment to and release from the aircraft (as shown, by arms 21 and brackets 22). The pod also has a fuel tank 11 and radio-controllable means for changing the direction of a propulsion jet issuing from the pod, so that the pod can, for example, be guided to the ground, either from the ground or the aircraft, after release. The pod shown has four gas turbine engines 3, 4, 5, 6, the jet pipes of the front and rear engines being bifurcated, and ending in nozzles 10 rotatable by electric motors 15 to vary their directions of discharge. The engine thrust is also adjustable, e.g. by varying the fuel flow. The motors 15 and thrust controls 18 are operated by a radio receiver 13. Nozzles 20 supplied with air bled from an engine compressor are also provided and are rotatable either automatically or by radio control to control the attitude of the pod. The engines 4, 5 may be fixed, as shown, or may be pivotally mounted for control purposes. A parachute may be provided in case of engine failure. The pod is intended to provide direct thrust for vertical or short take-off, before being released, but may be used for dropping supplies from an aircraft.
Patent GB-1441556-A (GB)
Title: Polymerisable o,n-acetals
IPC: C08G18/63
Filed: 1974-11-20
Abstract: 1441556 Copolymers; graft polymers; polyurethanes BAYER AG 20 Nov 1974 [26 Nov 1973] 50187/74 Headings C3G and C3R Copolymers, graft polymers and polyurethanes are made using novel monomers of formula in which X represents hydrogen or an alkyl radical having 1 to 6 carbon atoms; Y represents -NH-, -NC m H 2m+1 - (m=1-6) or -O-; Z represents hydrogen or an alkyl radical having 1 to 4 carbon atoms; R and R<SP>1</SP>, which may be the same or different, represent an alkyl radical having 1 to 18 carbon atoms or a cycloalkyl radical having 5 to 7 carbon atoms, or R and R<SP>1</SP> together with the nitrogen atom to which they are attached can form a heterocyclic ring optionally containing further hetero atoms, and n is an integer of from 1 to 10. In Example (6) a graft polymer was made by heating polypropylene ether and a compound of formula in the presence of azodiisobutyrodinitrile. (7) A polyurethane foam was made by reacting oxyethylated/oxypropylated trimethylol propane, a compound of Formula IV, N-methyl- N - (N<SP>1</SP> - # - dimethylaminoethyl)piperazine, water, dicumylperoxide and polyphenylpolymethylene-polyisocyanate.