baber/WOPTO huggingface dataset:
Patent GB-1296135-A (GB)
IPC: C02F1/52
Filed: 1970-03-26
Abstract: 1296135 Treating sewage NALCO CHEMICAL CO 26 March 1970 [9 May 1969] 14990/70 Heading. C1C Soluble phosphates are removed from a sewage effluent by the addition of an amount of sodium aluminate which is at least equal in weight to the weight of phosphate radical present. The sewage effluent is preferably raw sewage which has been allowed to settle and the resulting effluent has been further purified by bacterial treatment. A flocculant may be added with the sodium aluminate, preferably an anionic water-soluble polymer having a molecular weight of at least 100,000, e.g. a copolymer of 30% sodium acrylate monomer and 70% acrylamide. Many examples of polymeric flocculants are specified.
Patent GB-1297301-A (GB)
IPC: C25B11/00
Filed: 1970-02-23
Abstract: 1297301 Removing coatings from electrodes DIAMOND SHAMROCK CORP 23 Feb 1970  [24 Feb 1969] 8496/70 Headings C7D and C7E The electrically conductive coating may be removed from a dimensionally stable electrode by treatment in a molten bath containing 1-15 parts by weights alkali metal hydroxide and 1 part by weight alkali metal salt oxidizing agent. The electrode may contain titanium, tantalum, copper and/or aluminium. The coating may be a noble metal, or an electrically conductive oxide such as oxides of Ru, Ti, Al, Ir, Ta and mixtures thereof. The oxidizing agent may be a nitrate, chlorate, perchlorate, permanganate or peroxide of Sodium or potassium, or mixture thereof. The treatment may be carried out at 350-500‹C. for 1-15 minutes. After cleaning the electrode may be etched in hydrochloric acid and recoated. The coating may be recovered by reaching the treatment mixture with water, or by electrolytic means.
Patent GB-1297608-A (GB)
IPC: B60C11/00
Filed: 1971-04-19
Abstract: 1297608 Pneumatic tyres BRIDGESTONE TIRE KK 19 April 1971 [18 March 1970] 24000/71 Heading B7C A pneumatic tyre for high-speed motorcycles includes a tread of greater width TW than the width of the tyre SW measured at the position where the similarly measured carcass width has its maximum value and the tread comprises a central groove g c  formed along the tyre's mid-circumferential plane between a pair of ribs rb, and a shoulder block pattern formed along the shoulder portions of the tread and consisting of a plurality of independent blocks l formed by sectionalizing the tread with circumferential grooves g, and radial grooves g m  lying in planes containing the tyre axis. In a modification, a plurality of U-shaped indentations n are formed on the axially outer sides of the ribs in such positions that each indentation faces the outermost end of a radial groove. The radial grooves and U-shaped indentations are equally spaced around the tread.
Patent GB-1297694-A (GB)
IPC: A23G1/00
Filed: 1970-03-05
Abstract: 1297694 Cocoa liquor NESTLES PRODUCTS Ltd 5 March 1970 10710/70 Heading A2B Cocoa liquor is prepared by grinding deshelled fermented cocoa beans to provide a liquor, heating the liquor from an initial temperature of 40-80C to a final temperature of 100- 160C for 2-120 seconds, and cooling the heated liquor to a temperature not exceeding 80C, the heating and cooling being effected in a closed system. After grinding the moisture content of the liquor may be reduced to below 1% by weight, by for example evaporation under reduced pressure. Prior to heating, an alkali e.g. potassium carbonate and a flavour precursor e.g. vitamin B 1 , fructose, ascorbic acid, and amino acids, may be added to the liquor.
Patent GB-1303368-A (GB)
IPC: C09D157/00
Filed: 1970-12-10
Abstract: 1303368 Water resistant polyvinyl ester based paints L FEIT 10 Dec 1970 58709/70 Heading C3P Vinyl ester homo- or copolymer latex paints are treated to render their dried coatings water resistant and repellant by adding to them a product resulting from the thermal interaction at 150-230‹ C of (a) 0À5-15 parts of ethyl cellulose, (b) 0À5-20 parts of a C 10 -C 24  fatty acid, (c) 0À25-15 parts of a mono-, di- or trialkylamine or alkanolamine, or morpholine, (d) 0À5-150 parts of one or more drying or semidrying vegetable oils or mixtures thereof, (e) 0À5-50 parts of a phthalic acid ester, a benzoic acid ester, a phosphoric acid ester, chlorinated diphenyl, another substituted diphenyl or any mixture thereof, with or without (f) 0À5-50 parts of an epoxidized aliphatic alcohol ester of a mixture of unsaturated fatty acids, the ester having a M.W. of 300-5000, all parts being by weight of the product. Components (b) and (c), such as stearic acid and triethanolamine may be pre-reacted before reacting with the other components. The product of (a)-(f) is preferably used in an amount of 25 parts by weight per 1000 parts by weight of the paint. In the examples a vinyl acetate/ethyl acrylate copolymer latex paint and a homo-polyvinyl acetate latex paint contain a product in which the reactants are (a) ethyl cellulose, (b) stearic acid, (c) paraffin oil, or linseed oil, alone or with hempseed oil, tall oil, soyabean oil, sunflower oil, tung oil, oiticica oil and/or dehydrated castor oil, (e) dipropylene glycol dibenzoate, dibutyl phthalate, butyl benzyl phthalate or tricresyl phosphate, with or without component (f). All other ingredients are conventional fillers, &c.
Patent GB-1304166-A (GB)
IPC: B25D11/00
Filed: 1971-02-12
Abstract: 1304166 Percussive tools AMSTED INDUSTRIES Inc 12 Feb 1971 4564/71 Heading B4C A percussive tool comprises a tool bit 15 movable between limits in a housing 11, a hammer 25, a ram 45 including a roller 53 for engaging the lower surface of an arm 26 secured to the hammer and rollers 52, 54 for engaging cam surfaces 30 on the housing, and a spring 35 against which the hammer is pushed by the ram and which, when the roller 53 is removed from engagement with the lower surface of the arm by the action of cam surfaces 30, imparts energy to the hammer to drive the latter on an impact stroke. The tool is so arranged that a slight movement of the tool bit into the housing is initially required in order that the hammer may be moved to a position such that the ram 45 can pivot under bias of spring 65 to the position of Fig. 1. Such movement of the ram will also effect via linkage 75 movement of spool valve 60 to one position so as to cause extension of the ram. The linkage 75 will also cause, when the ram is pivoted to the hammer release position, movement of the spool valve to its other position so as to cause retraction of the ram. The spring 35 may comprise a coil spring or a pair of pneumatic springs, as shown. A buffer 71 is engaged by a projection 70 on the hammer before the toolbitreaches its lowerlimit position. A buffer 73, against which the rollers 52-54 may be fired, is also provided.
Patent GB-1306932-A (GB)
Title: Alpha-numeric display means
IPC: H01J17/49
Filed: 1969-05-15
Abstract: 1306932 Electroluminescence; luminescent screens BELL PUNCH CO Ltd 4 May 1970 [15 May 1969] 24834/69 Heading C4S [Also in Division H1] An alpha-numeric display device comprises a pair of plates 1, 2, one having an anode 4 formed thereon, and the other having formed thereon a plurality of cathodes 5, 6, 7 at least some of which comprise a plurality of vacuum deposited thin film spots connected together to form the representation of an alpha-numeric character. The plates 1 and 2 may be of glass and may be sealed at their edges to enclose an atmosphere of neon and small quantities of argon and mercury at a pressure of 60 to 80 mm. Hg. A metallic film 4 deposited on plate 1 is etched away to leave a honeycomb lattice anode (Fig. 3) or a square grid anode. A metallic film 4a deposited on plate 2 is etched away to leave cathode spots and vertical lines connecting together spots 6 or 7 forming parts of the same numeral. An insulating film deposited on the metallic film is etched away to expose the cathode spots. A further metallic film is then deposited and etched away to leave horizontal connections 1, 2, 3, the intervening insulating film being etched away at the points where connection to the vertical lines is required.  In alternative embodiments the cathode spots are thin films of electro-luminescent or semiconductor material, in which case the gas filling is not necessary. A series of separate anode plates 1 and separate cathode plates 2 may be associated to form a display unit, or a series of anodes and cathode formations may be deposited on one anode plate and one cathode plate. The anodes may be connected to a timing circuit and the cathode formations connected to the registers of a calculating machine (Fig. 7, not shown) to provide static or dynamic display circuits as described in Specifications 925,308 and 1,150,114 respectively.
Patent GB-1307402-A (GB)
Title: Flow control valve
IPC: F16K3/26
Filed: 1970-03-19
Abstract: 1307402 Valves NIKEX NEHEZIPARI KULKERESKEDELMI VALLALAT 19 March 1970 13284/70 Heading F2V  A valve has a sleeve closure member in which the forces exerted thereon by the controlled medium are neutralized. Fig. 1 shows a valve having an inlet 4a and outlet 4b and a closure sleeve 2 which closes outlet ports 18. In a modified arrangement (Fig. 2, not shown) closure sleeve (23) has a seal (24) which cooperates with a land (25) to control flow of fluid between ports (20, 21). In both cases the opposite ends of the closure sleeve are subjected to the same pressure/area ratio.
Patent GB-1307926-A (GB)
Title: Process and apparatus for continuous flow mixing blending and homogenising pasty and flowable materials
IPC: B01F27/93
Filed: 1970-05-22
Abstract: 1307926 Mixing apparatus G PILZ [trading as MASCHINENFABRIK J S PETZHOLDT] 22 May 1970 24972/70 Heading B1C Viscous or pasty material is mixed by causing it to run down the wall of a vertical cylindrical container 1, while being subjected to shear by rotating discs 3 which project into the layer of material. The discs may have periperal surfaces of part-conical form (Fig. 2, not shown), or knurled or formed with indentations (Figs. 6 and 5 respectively, not shown). The knurling could be inclined to propel the material axially by screw action, or, alternate knurls may be inclined in opposite directions merely to increase the mixing effect. The discs or some of them, may be replaced by bodies with rollers contacting the material (Fig. 7, not shown). The material is withdrawn from the container by a pump 9. A vacuum pump may be connected at 8, some of the lower discs 3' being perforated at 10 to allow the space above the lowest disc to be evacuated. The container may be jacketed for heating and cooling purposes, and the jacket may be subdivided to allow the temperature variation along the container to be controlled. The container wall may also have grooved inserts (Fig. 8, not shown) adjacent the rotary discs.
Patent GB-1308313-A (GB)
Title: Trim strips for use in glazing window or windscreen openings parti cularly in vehicle bodies
IPC: B60J10/00
Filed: 1969-03-21
Abstract: 1308313 Trim strips CREATORS Ltd 19 Feb 1970 [21 March 1969 1 Aug 1969] 49031/ 72 and 49032/72 Divided out of 1308312 Heading E1R A trim strip has the form described in Figs. 1-5 of Specification 1308312.
Patent GB-1311278-A (GB)
Title: Conglomeration of particulate adsorptive or absorptive materials
IPC: C01B32/384
Filed: 1969-08-22
Abstract: 1311278 Air filter/adsorber elements PATENT PROTECTION Ltd 5 Aug 1970 [22 Aug 1969 17 Oct 1969 15 May 1970] 42010/69 51205/69 and 23731/70 Headings BIT and B1L [Also in Division C1] A filter unit for purifying fluids contains a filter element constituted by an agglomerated mass of active carbon particles bonded with a particulate polymeric material. As shown in Figure 1 the filter unit may be used in air purifying by shaping the agglomerated mass 1 as a tube, covering the cylindrical walls during moulding with cloth 4 and 5 to prevent loose particles rubbing off and to prevent the ingress into the porous structure of unwanted extraneous particulate matter during use, suspending the tubular mass from wires 6 and 7 attached to an appropriate motor 10 and rotating the block 1 when as indicated by the arrows 11, impure air enters the open ends, is entrained in the porous mass and diffused through it. A coarse paper filter sleeve indicated at 13 may be fitted in the bore to serve as a removable and disposable preliminary solids screen. In a further embodiment (Fig. 2) the agglomerated active carbon block 23 is used in the fuel vapour trap of an automobile engine. Vapour from the expansion tank 21 and from the main tank 20 passes to the chamber 22 where fuel vapour is removed by block 23 any air passing out through 22A. When the engine is started air is sucked in to the carburretor 25 via the usual air intake and via the chamber 22, the air so drawn is successfully purging the block 23 of absorbed vapour. The method of making the shaped absorbent blocks is given in Division C1.
Patent GB-1311561-A (GB)
Title: Gallium phosphite
IPC: C30B11/00
Filed: 1970-06-02
Abstract: 1311561 Gallium phosphide BDH CHEMICALS Ltd 24 June 1971 [2 June 1970] 26524/70 Heading C1A GaP is produced by heating a melt of Ga in a sealed vessel in the presence of P vapour and maintaining a horizontal temperature gradient across the Ga such that a fresh Ga surface is continually exposed by convection. In the examples, red P is placed at one end of a horizontal quartz tube and a boat containing Ga at the other. The tube is evacuated and sealed and placed in a furnace with 2 heating zones. The phosphorus is heated to 350-500‹ C. and the Ga is subjected to a gradient in the range 1150- 700‹ C., the end remote from P being the hottest. Crystallization commences at the cooler end of the boat when the solution of GaP in Ga is saturated. The GaP is recovered by decanting off liquid Ga at above 30‹ C. and boiling in HNO 3  or HCI to remove traces of Ga.
Patent GB-1328099-A (GB)
Title: Kerb gully fittings
IPC: E01C11/22
Filed: 1969-12-13
Abstract: 1328099 Hollow kerb units BRICKHOUSE DUDLEY Ltd 9 Dec 1970 [13 Dec 1969] 60893/69 Heading E1G A hollow kerb unit overlying a roadside drainage channel comprises a cover 21 extending between front and rear frame members 11, 12 which are spaced by one or more removable links 14, the cover and/or frame member being formed with a drainage inlet passage 28. The link(s) 14 may be cast integrally with the frame members and have weakening notches 15, or may be separate and be held by releasable fastenings. Each frame members 11, 12 may have an external base flange 13 and has interlock formations 31 for connecting adjacent units end to end. The interlock may be of dovetail form or of partcylindrical form, Fig. 3 (not shown). A rear wall opening 36 may be provided. The cover 21 may be of lift-off type (unit 10a) or hinged type (unit 10), the latter having hinge pins 21b which are moved along L-slots 18 in the rear frame member by a cam surface 21a on the rear edge of the cover. In use a concrete drainage channel is cast below the units and around the frame members 11, 12, the links 14 being removed when the concrete has set. The channel may increase in width as it progresses and may be covered by a series of increasing- width units interlocked end to end, Fig. 4 (not shown).
Patent GB-1329892-A (GB)
Title: Apparatus for severing and dispensing fibrous material
IPC: D01G1/04
Filed: 1971-02-25
Abstract: 1329892 Counting, measuring and stopmotions in and for fibre stapling apparatus JOHN LAING & SON Ltd 11 Feb 1972 [25 Feb 1971] 5426/71 Headings D1D and D1F In apparatus for severing natural or synthetic fibrous material, e.g. discrete lengths of filamentary plastics from a reel, and dispensing the cut material, e.g. in concrete mixer, a strand of the material is advanced by feed rollers to a rotatable cutter and the rollers are separated after a predetermined quantity has been dispensed. In the operation of the machine shown, a reel of fibrous material 67 is positioned at the base and threaded through guide member 68 whence it is passed around rollers 40, 41, 42, 43, and a count wheel 45, pneumatically connected to a counter mechanism (not shown), around guide roller 44, through feed rollers 18, 19, and guide slot 101 to a cutter 12 comprising teeth 14 the cutting edges 15 of which sequentially coact with the cutting edge 17 of a stationary anvil 16 to sever the material. Feed roller 18 is driven from the cutter spindle, itself driven by an air motor (25). Pressure roller 19 is mounted on a pivotal arm 23 operatively held against roller 18 by pneumatically operated piston-and cylinder mechanism 24 against the bias of a spring. Cut material passes through a conical outlet passageway 26 to a flexible conveyor hose 27 in which a high velocity air flow is induced by an "Airmover" 27a having a supply hose 28. Air is drawn from outside cabinet 10 through a filter member in a door communicating with the cutter cavity in a housing 10a and passageway 26. Compressed air enters the apparatus through a connector 29 passing through a filter 30 to mechanism 24 through a step-up relay and to a fluidic control circuit, Fig. 6 (not shown). The latter comprises four automatically operated interlocks which ensure that the apparatus is inoperative or stopped if the air supply falls below a predetermined value, if the door is openend and/or unlocked, and if the material supply fails or is "snagged".
Patent GB-1330311-A (GB)
Title: Screw connections
IPC: F16B23/00
Filed: 1971-09-17
Abstract: 1330311 Screwdrivers GEORGE H SCHOLES & CO Ltd 17 Sept 1971 [8 Aug 1970] 38337/70 Heading B3N [Also in Division F2] The head of a tamper-proof screw has a blank end face, is cylindrical and terminates in an annular shoulder 20. The screw is made of relatively soft material such as mild steel, it can be used to assemble an electrical appliance, Fig. 1 (not shown), and is screwed in by means of a special tool 12a comprising a shaft 13a and shank 14a terminating in a head engaging portion 15a conveniently comprising three teeth 16a pitched to engage the screw only when turned in one direction (clock wise as shown in Fig. 3), an extracting tool, Fig. 4 (not shown), requiring oppositely pitched teeth. The shafts of the tools may be smooth or may be provided with flats and may be manually or mechanically driven.
Patent GB-1335381-A (GB)
Title: Infants feeding bottles
IPC: A61J11/04
Filed: 1971-04-19
Abstract: 1335381 Feeding bottles LEWIS WOOLF GRIPTIGHT Ltd 19 April 1971 [4 March 1970 19 Sept 1970] 10529/70 and 44739/70 Heading A5X A feeding bottle 10 is provided with a resilient teat 17 protected by a removable cap 23, there being a member 26 sealing the interior of the bottle from the interior of the teat, the member 26 being displaceable by manipulation of the teat cap to break the seal, the manipulation being carried out with the teat cap covering the teat. As shown, the sealing member 26 fits into the outlet opening 11 of the bottle and the teat cap 23 distorts the teat so that a seal is provided between a portion 22 of the teat and the member 26. The bottle is provided pre-filled and heat sterilized and is made ready for use by first pulling the cap upwards from the teat (Fig. 2, not shown) so that the teat regains its natural shape and its seal with the member 26 is broken, and then by pushing the cap back onto the teat (Fig. 3, not shown) when a projection 21 on the inside of the teat presses the member 26 into the bottle 10 and clears the opening 11. The member 26 is retained in the upper part of the bottle (Fig. 4, not shown) since the member is larger than the bottle neck 13. In an embodiment (Fig. 5, not shown), the top 30 of the bottle is frustoconical and the sealing member (36) is clamped within the teat (34) by the cap (35), and a ribbed sealing ring (37) holding the teat, cap, and sealing member to the bottle. A blow on the cap towards the bottle, dislodges the sealing member and, as in Fig. 6 (not shown), the sealing member may be in two parts (47, 48) readily separated and containing a food additive (49). An aperture (46) in the sealing member may act as a one-way valve allowing excess air in the teat to bleed into the bottle during the heat sterilization. In further embodiments (Figs. 8, 9, not shown), the sealing member (48) readily separated and containing a food additive (49). An aperture (46) in the sealing member may act as a one-way valve allowing excess air in the teat to bleed in to the bottle during the heat sterilization. In further embodiments (Figs. 8, 9, not shown), the sealing member (58, 61) extends within the teat and is manipulated by crushing the cap.
Patent GB-1336473-A (GB)
Title: Small solid fuelled gas turbines
IPC: F02C3/26
Filed: 1972-11-27
Abstract: 1336473 Gas turbine plant and combustion chambers A P PEDRICK 27 Nov 1972 11488/71 Headings F1L, F1G [Also in Division F4] A gas turbine has a compressor 1 which takes in air, and drives it along passages 1<SP>1</SP> to a compressor 2 which discharges the air into the space below a fire grate 4. Air flows through the grate into combustion space 5 from where it leaves through a centrifugal turbine 6 driving the compressors and central shaft 10. Granulated combustible material is fed from a hopper 11 into the combustion space 5 via a valve 13 which is speed governed by spring-loaded weights 14 on the shaft 10 acting against adjustable spring- loading 20. Valve 13 also controls the flow of an auxiliary liquid fuel supplied by pipes 18, 19. Shaft 10 drives a screw 22 via gears 25, 26 to discharge ash. Exhaust pipe 8 heats the incoming air in passages 1<SP>1</SP>. The gas turbine may be used to drive an electric generator for supplying a house or for driving a car via electric motors at the wheels. Alternative embodiments of gas turbine are described some of which are designed to run on granulated waste material.
Patent GB-1341337-A (GB)
Title: Metal cutting tool
IPC: B23B29/04
Filed: 1972-06-06
Abstract: 1341337 Tools J W FRIED 6 June 1972 26264/72 Headings B3C and B3T A boring or turning tool comprises, a body 16, a cutter holder 36, and a cutter 38, the body having a channel 20 in which the holder and cutter are movable to selected positions, the holder having a portion 36A lying in channel 20 and screws 54 carried by the portion to force the cutter against wall 24 of the channel, and to react against wall 22 of the channel. Channel 20 may be parallel to the axis of spindle 12 and extending transversely across the channel is a slot 28 whose base 30 is at an angle to walls 22, 24, of channel 20. Body 16 has projections 32, 34, in slot 28 which divide the latter into portions 28A, 28B. A member 40 is adjustably mounted in slot 28 by a screw 48, and a block 50 is supported on angled faces 46, of the member so that when the latter is adjusted in the slot the block engages the cutter holder so that the cutter 38 is radially adjusted. Member 40 is urged in slot 28 by a spring 56. A screw 68 in holder 36, Fig. 12, limits the inward movement of cutter 38. Block 50 has parallel faces (50A), (50B), Fig. 4 (not shown) but this block may be replaced by a wedge-shaped block 72 which can be located as in Fig. 12, or may be turned end to end.