baber/WOPTO huggingface dataset:
Patent GB-2041185-A (GB)
Title: Method and apparatus for heat transfer
IPC: F25B39/02
Filed: 1979-10-05
Abstract: A method of effecting heat transfer between ambient air forming a heat source and the heat intake member 17, of an evaporator in which such heat intake member is continuously coated with a liquid de-icing substance. The evaporator includes a rotor having vanes 17 which dip into a trough 16 containing the de-icing substance and above the trough is a duct 11 through which the ambient air is caused to flow by a fan 115. Alternatively heat intake tubes are encompassed by a porous body saturated with the de-icing substance fed by wicks the porous body being traversed by air flow produced by a fan. <IMAGE>
Patent GB-2035045-A (GB)
Title: Telescopic duct for drying grain
IPC: B65D88/74
Filed: 1979-10-12
Abstract: Duct apparatus for the treatment of material such as agricultural produce stored in bulk, comprising a main duct into which air or other treatment fluid can be introduced under pressure and a number of lateral ducts from which the fluid passes into the material heaped over the lateral ducts. The lateral ducts are telescopically contractible in length towards the main duct so as to remove all or most of the obstruction presented by the lateral duct.
Patent GB-2062867-A (GB)
Title: Liquid level gauge
IPC: G01F23/16
Filed: 1979-11-10
Abstract: A level gauge comprises a pump cylinder 8 having a piston 9 operated by a plunger 10, the cylinder being connected by a passage 11 via a one way valve 12 to a chamber 14 surrounding a deformable bellows 15 containing indicator fluid displaceable into a capilliary slot 19 in a graduated scale 18 by pressure deformation of the bellows 15. The passage 11 communicates with a vent valve 7, closed during use and via a pipe 3, with the lower region of a tank 1. The piston 9 has a head comprising a one way valve 21, 23, 26, 27. The pump is operated so that air is displaced through the non-return valve 12 increasing pressure in pipe 3 and chamber 14 until the pressure in chamber 14 and pipe 3 slightly exceeds that exerted by the head of liquid in tank 1. The excess pressure is released as bubbles through the liquid, and when bubbling has ceased, indicated equilibrium, a reading of the height of indicator fluid in capilliary slot 19 can be taken. <IMAGE>
Patent GB-2041016-A (GB)
Title: Container Changing Device for Carding Machines
IPC: B65H67/04
Filed: 1979-12-11
Abstract: A horizontally displaceable thrust arm (2) for engaging with a container to be brought to a position for collecting material produced by the carding machine is operated by a cylinder and piston rod (10, 11) actuated by a pressurised fluid, and is guided on a horizontal rod (6) enclosed in a box-shaped protective body. <IMAGE>
Patent GB-2037318-A (GB)
Title: Treatment of solid, naturally- occurring carbonaceous material by oxygen-alkylation and/or oxygen acylation
IPC: C10G1/00
Filed: 1979-12-14
Abstract: Weakly acidic protons in solid, naturally-occurring carbonaceous material, such as coal, are treated by selective oxygen-alkylation and/or oxygen- acylation by employing a phase transfer reagent and an oxygen- alkylating and/or acylating agent. The phase transfer agent is a quaternary base represented by the formula R4QOR'' where each R is the same or different and is a C1 to C20 alkyl or C6 to C20 aryl; Q is nitrogen or phosphorus; and R'' is hydrogen, C1 to C10 alkyl, C6 to C10 aryl, C7 to C10 alkaryl, C7 to C10 aralkyl or C1 to C10 acetyl. The O- alkylating or O-acylating agent is a compound represented by the formula R'X where R' is a C1 to C20 alkyl or acyl group and X is a halide, sulphate, bisulphate, acetate or stearate; provided X is attached to a primary or secondary carbon atom. Coal treated by the above process gives good yields in liquefaction processes.
Patent GB-2038472-A (GB)
Title: Pipe assembly and method for its manufacture
IPC: B21C37/06
Filed: 1979-12-17
Abstract: A pipe assembly particularly for use as a heat exchanger or as a chemical reaction tube, comprises an inner, U-shaped, cold-bent pipe capable of withstanding a relative high internal pressure, the straight limbs of the U each having a length of at least 5 times the external diameter of the pipe, and an outer seamless, J-shaped pipe coaxial with and enveloping the bend and one limb of the U-shaped pipe to form an annular passageway between the pipes. The invention also comprises a method for making the pipe assembly comprising the steps of   (i) positioning a straight length of pipe over the U-shaped, cold-bent pipe; (ii) locating the outer pipe in a pipe- bending apparatus so that it is gripped by the pipe-bending elements thereof and so that the inner pipe is free to move within the outer pipe; and   (iii) bending the outer pipe around the inner pipe. h
Patent GB-2041625-A (GB)
Title: Tape transport mechanism in cassette recorder
IPC: G11B15/44
Filed: 1980-01-18
Abstract: In a tape transport mechanism e.g. for a tape deck, such as a cassette tape deck, a motor 2 drives, via a first belt drive 1, two counter-rotating fly wheels 41 with integral capstans for driving the tape in either direction. The first belt drive 1 drives a second belt drive 6 via a clutch 4, and the second belt drive 6 selectively drives either of two tape reel hub-carrying discs 16, 17. <IMAGE>
Patent GB-2044429-A (GB)
Title: Fluid jacket
IPC: F28D1/06
Filed: 1980-02-12
Abstract: A fluid jacket (2) surrounding a vessel (1), and a method of forming same, the fluid jacket (2) comprising sheet e.g., strip, material (6) having localised deformed portions (7) which extend inwardly into contact with and are secured to the external surface (12) of the vessel (1). <IMAGE>
Patent GB-2079738-A (GB)
Title: Waste water treatment
IPC: C02F3/20
Filed: 1980-07-11
Abstract: A laterally extensive body of waste water (11) is treated by moving a suspended aerator device (20) continuously or intermittently through the body of water in a vessel (10). The aerator has a vertical liquid passage (24) with a restriction (25) and emits air as bubbles into the liquid at said restriction to create an aerated liquid circulation pattern that moves with the moving device along or around the vessel. Alternatively a number of suspended aerators in fixed positions may be energized in sequence to give the same effect of a moving region of circulation. <IMAGE>
Patent GB-2055913-A (GB)
Title: Improvements in tufting machines
IPC: D05C15/30
Filed: 1980-07-22
Abstract: A tufting machine includes a needle bar which can be moved endwise with respect to the fabric to be tufted by a pattern control mechanism and bar 27. The movements are imparted to the needle bar from slides 23, 24 which are reciprocated in opposite directions in a direction transverse to the fabric by cams 21, 22 and can be selectively coupled by latches 35, 36 to bar 27 connected to the needle bar under control of the pattern control mechanism to move the bar towards or away from the fabric while the needles are raised clear of the fabric. <IMAGE>
Patent GB-2059679-A (GB)
Title: Method of making composite bodies
IPC: H01L21/338
Filed: 1980-08-14
Abstract: A layer (13) of material is deposited on a substrate (11) through an opening (25) in a masking layer (21), the edges (24a, b) of the masking layer overhanging an aperture in a spacing layer (14), this aperture being formed by etching through opening (25) in masking layer (21). The spacing layer (14) may be silicon dioxide and the masking layer (21) may be a photoresist. Other combinations of materials are mentioned. A layer of platinum is deposited by sputtering to form a Schottky contact to silicon substrate (11), and the masking layer (21) is then removed to carry away the excess metal. The process may be used to form a Schottky diode or a Schottky gate for an FET. <IMAGE>
Patent GB-2087406-A (GB)
Title: Bituminous composition
IPC: C08L95/00
Filed: 1980-10-15
Abstract: A bituminous composition contains a rubber containing adhesive, bitumen, natural asphalt and either a particulate filler or a thinner or both. The composition may also contain chopped waste paper so that when set in the traditional way for concrete a lightweight fireproof material of high thermal insulation value is obtained.
Patent GB-2062417-A (GB)
Title: Improvements in or relating to circuit arrangements for synchronizing demultiplexers
IPC: H04J3/06
Filed: 1980-10-17
Abstract: There is provided a circuit arrangement for synchronizing a demultiplexer when used with a decoder unit which produces an output in response to the observation of a binary configuration coinciding with an alignment word. The circuit arrangement comprises a logic network RL which supplies a pulse in response to production of an output by the decoder unit simultaneously with the end of time intervals of length corresponding to a "frame" time starting from the emission of each decoder unit output. A register RU is connected to the output of a ROM (read-only-memory), containing a number of codes characteristic of an equal number of steps of the operating program. The address inputs of the ROM are connected to a predetermined number of cells of the register and to the output of the logic network. <IMAGE>
Patent GB-2086576-A (GB)
Title: A fluid level monitoring device
IPC: G01F23/70
Filed: 1980-10-31
Abstract: A fluid level monitoring device particularly adapted for monitoring the level of fuel in a fuel tank 11 of a boat comprises a tube (12) containing a plurality of float switches (17, 18, 19) set at different levels to commute when the fluid level passes that particular value. Each float switch (17, 18, 19) operates an associated relay to energise associated lamps, de-energise previously energised lamps and to energise an associated warning horn which can be silenced by operation of a switch so that audible warning can be provided at each change of level from one range to another and a visual indication of the existing range provided continuously. <IMAGE>
Patent GB-2065096-A (GB)
Title: Nozzle plate for drawing glass fibres
IPC: C03B37/081
Filed: 1980-11-21
Abstract: In the spinning of glass fibre from molten glass the high temperature of the molten glass has necessitated the use of platinum for the plate and nipples of the draw bar. According to the invention the nipples (5) are largely embedded in the plate (1) so as to delay the onset of cooling as the glass passes through the nipples. This reduces the required temperature of entry to the nipples and enables the use of lower grade materials, such as alloy steels or nickel chromium alloy, for the plate (1) and nipples (5). Thermocouple holder (4) and cooling pipe (6) may be provided. <IMAGE>
Patent GB-2068479-A (GB)
Title: Electrical machine
IPC: F16C33/40
Filed: 1981-01-23
Abstract: A rolling bearing for the journalling of a shaft (10) in an electrical machine such as a motor vehicle alternator is constructed with a ball-bearing bush or sleeve (11) provided with two or more rows of balls (16, 17). The ball raceways on the inner ring (12) and in the outer ring (13) are cylindrical in form, thus allowing axial expansion of the shaft. The outer ring comprises a drawn sheet-metal component (11). Such a bearing is easier to lubricate and is less sensitive to angular displacement than a rolling bearing having rollers or needles. <IMAGE>
Patent GB-2071496-A (GB)
Title: Wood preservative concentrate and wood preservative impregnating liquid prepared therefrom by dilution with water
IPC: B27K3/52
Filed: 1981-02-05
Abstract: A water-dilutable wood preservative concentrate which does not require a substantial amount of petroleum derived solvent comprises, by weight, from 80 to 95% of at least one water-soluble inorganic salt which preferably has fungicidal and/or insecticidal and/or wood preservative properties and is substantially free from hexavalent chromium compounds, and from 20 to 5% of an insecticidal concentrate which can be emulsified in water. The insecticidal concentrate comprises, by weight, from 01 to 30 parts of at least one organic, water-insoluble insecticide, preferably a contact insecticide, from 20 to 60 parts of at least one organic water-insoluble solvent which may be an oil of low volatility and/or a plasticiser, and from 20 to 70 parts of at least one non-ionic emulsifier. The wood preservative concentrate can be diluted with water in the proportions of 5 to 15 parts by weight of concentrate to 95 to 85 parts by weight of water to form an aqueous solution, emulsion or dispersion which can be used to preserve wood by coating, impregnation and other methods. A process for making the concentrate is described by treating insecticide, and solvent at a temperature of 0 to 80 DEG C., and under a pressure of 0.5332 to 1.332 bars until a solution is formed. The solution is combined with the emulsifier at a temperature below 50 DEG C., and the resulting mixture is added to the inorganic salt.
Patent GB-2071767-A (GB)
Title: Rotary Positive-displacement Fluid-machines
IPC: F01C11/00
Filed: 1981-03-06
Abstract: In a power-producing apparatus e.g. an I.C. engine or a pneumatic motor, a space between a rotor 14 and a casing 10 is divided into a plurality of axially disposed sections by annular flanges (16), Fig. 1 (not shown), on the rotor, which also mounts radially sliding vanes 44-50. When working fluid has been introduced through an inlet 28 at the trailing side of a fixed partition 22 (on the casing) and applied pressure to a vane it is exhausted through an outlet 32 from where at least a proportion thereof is taken to an inlet 30 of an adjacent section of said space and preferably the remainder goes to an inlet 54 of the same section but forward of another fixed partition 24. The fluid is thus re-used in a second working space to assist in turning of the rotor and is also used in the same working space to balance back pressure on the vane moving towards the partition 24. <IMAGE>
Patent GB-2072298-A (GB)
Title: Welded frame joint
IPC: E06B3/96
Filed: 1981-03-10
Abstract: Two members 2, each located in a heat sealable sheath 4, are joined together to form a right-angle joint. Two plates 8 of heat sealable material are attached to the associated ends 6 of the members 2 by means of dowels 10  inserted into holes 12 in the member ends. The outer surface 14 of each plate 8 is flush with its associated sheath end 4. The mounted plates 8 are hot-plate welded and then pressed together with the ends of the sheaths 4 to form the joint. The plates 8 provide additional strength to the joint.
Patent GB-2085062-A (GB)
Title: Articulable connection assemblies
IPC: B63B21/50
Filed: 1981-07-17
Abstract: An articulable connection assembly for connecting an elongate tension element (120) to a fixed underwater structure (121) with the tension element extending generally downwardly to the underwater structure, includes a split ring (131) on a male unit (123), which engages a groove (129) in a female unit (124) to provide the connection. The male unit (123) is connected to the tension element (120) by a flex joint (125). In order to withstand lateral loads applied by the tension elements (120), the flex joint (125) is provided with a collar (142) which engages in an upper tapering portion (127) of the female unit (124). <IMAGE>
Patent GB-2086148-A (GB)
Title: Electrical cable conducts for inlaying into surfaces
IPC: A47B21/00
Filed: 1981-09-07
Abstract: A cable conduit 2 for inlaying into the top surface of a desk provides ready access to telephone cables 27, mains connected cables 28, and plug sockets 18 by way of hinged covers 13, 14, 15. Flanges 24 on the covers 13, 14, 16 electrically screen the telephone cables from the other surfaces. Connections to telephones or other desk instruments are carried through channels 17 in the covers 15. The sockets are located in channels sunk below the conduit and open at the ends to enable the escape of any spilt liquid (e.g. coffee) through the ends of the channel without contaminating the plug. The conduit is built up to a large extent from parts cut from aluminium extrusions and the covers have a common hinge pin. <IMAGE>
Patent GB-2089404-A (GB)
Title: Traffic Hazard Indicator Posts
IPC: E01F9/677
Filed: 1981-12-11
Abstract: A plastics lane-marker post for insertion in a road stud socket has a cylindrical body 10 and rectangular base 12. The base has a central spine 14 having an inverted-V groove 20 and flanges 18 extending in opposite direction from the spine. Each flange has one or more upstanding ridges 22. The post is located in the socket by locating one flange under lugs on one side of the socket and then deforming the other flange sufficiently to work it under the lugs on the other side. An advantage of the post over known posts is that the flanges 18 and ridges 22 provide a more secure engagement of the post in the receptacle. <IMAGE>
Patent GB-2114156-A (GB)
Title: Composite antifriction bearing
Inventor: KALUBOWILA PREMATILAKA W
IPC: F16C33/14
Filed: 1982-01-27
Abstract: A composite antifriction bearing comprises a base layer of metal alloy containing at least copper and lead, a surface layer of lead alloyed with an anti-corrosion addition e.g. tin and a diffusion barrier arranged between the surface layer and the base layer, wherein the diffusion barrier comprises copper in combination with phosphorus. The method of applying the diffusion barrier and preferably the surface layer is by means of an electro-deposition process.
Patent GB-2115094-A (GB)
Title: Apparatus for connecting together flowline end portions
Inventor: RENEAU BOBBY JACK
IPC: F16L21/00
Filed: 1982-02-10
Abstract: Apparatus for connecting first and second flowline members includes a first housing member 10 adapted to be mounted with the first flowline member F1 and having a seal ring 18 mounted therein for sealably engaging the butt end 20 of a second flowline member F2, a second housing member 16 mounted for axial movement with respect to the first housing member and gripping means 22 within the second housing member for moving radially inwardly into gripping engagement with the second flowline member upon axial movement of the second housing member toward the first housing member. <IMAGE>
Patent GB-2100504-A (GB)
Title: Piezoelectric resonator
IPC: H03H9/21
Filed: 1982-05-25
Abstract: An improved mounting apparatus and method for a piezoelectric tuning fork (10) of the type made from a rectangular plate of quartz or similar material, the fork having a stem portion (12) and a pair of tines (14, 16) extending from the stem and defining between them a crotch (18) where they join the stem. The stem is supported on a pedestal (20-36) in such a way that the forwardmost edge (38) of the pedestal is spaced a distance d (in mils) having a magnitude in the range of 2565n/f to 3135n/f, where n is an integer and f is the fundamental frequency of the tuning fork in kilohertz. Improved suppression of overtone components is achieved during operation in the fundamental mode.
Patent GB-2101389-A (GB)
Title: Electromechanically operated bell
Inventor: WHITE ARNOLD
IPC: G10K1/064
Filed: 1982-06-30
Abstract: An ornamental door bell has a bell vessel (8) attached to the lower, radially outer end (12) of a spiral spring (11) of which the other end (13) is arranged to be oscillated by a crank (19) driven by an electrical motor assembly (4) concealed within a box 1. The motor assembly (4) incorporates reduction gearing and is operated from a low voltage supply. <IMAGE>
Patent GB-2107295-A (GB)
Title: Production of hydrogen halide
Inventor: HART THOMAS GORDON
IPC: C01B3/04
Filed: 1982-07-02
Abstract: The hydrogen halide is produced by reacting a halogen with water in the presence of ruthenised and/or platinised titanium. The resulting hydrogen halide is preferably used to replenish hydrogen halide being electrolysed. In the reaction of the halogen with water, there is a rapid increase in acid concentration up to about 3%, then a slower increase up to a concentration of about 5%, the latter being a higher concentration than obtainable in prior art reaction of water with a halogen.
Patent GB-2107310-A (GB)
Title: Liquid-crystalline halogen compounds, dielectrics containing them, and electro-optical display elements comprising such dielectrics
Inventor: EIDENSCHINK RUDOLF
IPC: C09K19/08
Filed: 1982-09-13
Abstract: Liquid-crystalline halogen compounds of the formula   <IMAGE> wherein the ring A is 1,4-phenylene or trans-1,4-cyclohexylene; R1 is alkyl or alkoxy each of 1 to 12 carbon atoms or, when A is 1,4-phenylene, is also cyano; R2 is alkyl or alkoxy each of 1 to 12 carbon atoms or, when A is 1,4-cyclohexylene, is also chlorine or bromine; and X is fluorine, chlorine or hydrogen; with the proviso that at least one of the substituents R2 and X is a halogen atom are valuable components in liquid-crystalline dielectrics.
Patent GB-2113156-A (GB)
Title: Flotation collar for boat hull
Inventor: WALTERS WILLIAM FRED
IPC: B63B43/14
Filed: 1982-12-24
Abstract: A method for forming an inflated flotation collar around at least part of the hull of a boat comprises positioning a longitudinal inflatable member 4 along at least part of the length of both the port and starboard sides of the hull; securing the terminal portions of the member so that the linear length of the gunwale over which the member extends is fixed and so that the member is held at gunwale level on the hull by securing means 11 to 14 passing over and/or around but not under the hull; and inflating the inflatable member whereby the expansion of the member causes the member to bear against the hull against the restraining effect of the securing of the terminal portions. The collar may comprise two separate halves, connected at the bows by straps 11 and a gusset 12, or a single piece with a portion extending around the leading edge. <IMAGE>
Patent GB-2129536-A (GB)
Title: Fluorescent light fitting
Inventor: CORAZZA FRANCO
IPC: H01J/
Filed: 1983-04-21
Abstract: An electrolier for a fluorescent lamp is of the kind having a cover to contain, in addition to the tube, other lighting components such as a reactor, a starter and a transformer, and to carry other components such as switches and plug sockets, the cover being simple to fix and to be connected electrically to a supply, and is characterised in that the cover has three sections 1,2,3 of equal length which can be detachably assembled together, and two side members 4 which can be engaged at the ends of a unit formed by those sections and each including a bracket 45 to support a lamp holder 49 and a lug 46 projecting laterally outwardly and having a fixing hole 47, the side members being each covered by a side cover piece 5 secured detachably thereon. <IMAGE>
Patent GB-2143556-A (GB)
Title: Animal flooring
Inventor: DOUBLEDAY ANTHONY PETER
IPC: A01K1/015
Filed: 1983-07-19
Abstract: Animal flooring comprising at least one elongate member (2) having an apertured platform portion (4) and side walls (6), the platform portion (4) and the side walls (6) being moulded from a plastics material, the edge of the side walls remote from the platform portion being each provided with a longitudinal groove, and there being a metal support bar (8) positioned in each groove. <IMAGE>
Patent GB-2148684-A (GB)
Title: Apparatus for protecting a plant
Inventor: HOGG NIGEL HARDING MONTEITH
IPC: A01G13/10
Filed: 1983-11-04
Abstract: Apparatus 1 for protecting a plant such as an individual young tree 2 during growth comprising a collapsible tubular housing 3, made from in the embodiments described a single sheet of plastics material such as Correx (Registered Trade Mark), supported substantially upright so that the plant 2 can be housed therewithin. The apparatus 1 includes securing means in the form of a wire tie 4 adapted in use to extend from the housing 3 and to engage an upright support member such as a wooden stake 5 driven into the ground 6 and for securing the housing 3 substantially upright, and means in the form of a U-shaped brace 7 adapted to maintain the cross-sectional shape of the housing 3 (square in the embodiment shown) by engaging part only of a major surface, the outer as shown, of the housing 3 as considered in a direction transverse to the length of the housing 3. <IMAGE>