baber/WOPTO huggingface dataset:
Patent GB-1352905-A (GB)
Title: Pneumatic two point controller
IPC: F15B5/00
Filed: 1971-08-11
Abstract: 1352905 Fluid-pressure servosystems J C ECKARDT AG 11 Aug 1971 [13 Aug 1970] 37729/71 Heading G3P An on-off controller has an amplifier 1 responsive to a pressure 5, established between resistors 6, 7 constituting a pressure divider which receives an input pressure at E and a positive feedback pressure from the output y A  of the amplifier. As shown, the amplifier has balls 2b movable by diaphragms 4, 5 to connect output port 15 to input port 13 or exhaust. In a modification, the amplifier is of the flapper-nozzle type. In each case, the switching points are defined by spring 3, a pressure admitted at S 2  and the ratio of the resistances at 6, 7.
Patent GB-951736-A (GB)
Title: Apparatus for stabilising motor-cycles and like two-wheeled vehicles
IPC: B62H1/12
Filed: 1961-10-20
Abstract: 951,736. Safety wheels for cycles. J. I. S. INIGO. Oct. 20, 1961 [Oct. 22, 1960], No. 37755/61. Heading B7J. Apparatus for supporting two - wheeled vehicles when they are stationary includes a base 1 on the vehicle frame (not shown) transversely on which is pivotally mounted, at 13, a U-shaped tubular member 2, each limb 3 of which ends in a resiliently mounted rubber castor wheel 8, the member 2 being located axially between stops 11 and pivotable about its axis to raise and lower the wheels 8 between a position where they are turned parallel to the base 1 and the ground. An adjustable head 20 acting against a spring 18 in a cylinder attached to the base 1 is connected by a link 19 to the member 2 to control its movement which is initiated by a pedal (not shown). The pedal connects with the member by way of a curved link with a number of perforations (Fig. 3, not shown) into which a Bowden-controlled spring plunger 30 can engage to hold the member 2 in intermediate positions.
Patent GB-931949-A (GB)
Title: Fluid control valve system
IPC: F04F9/00
Filed: 1961-10-23
Abstract: 931,949. Control of motors. CARL ZEISSSTIFTUNG, [trading as C. ZEISS [Firm of]]. Oct. 23, 1961 [Nov. 2, 1960], No. 37841/61. Class 38 (3). [Also in Groups XXVIII and XXIX] A valve system e.g. for connecting a high and a low vacuum pump at 6, 7, respectively, Fig. 1, in a required sequence to a chamber 8 such as an electron microscope, comprises an open-ended sleeve 5 axially slidably reciprocated by a mechanical device including a ratchet and pawl or, Fig. 2, an electric motor 16 via gearing 17- 19 and screw-and-nut 20, 21, spaced annular packings 2, 3, 4 whereby the chamber 8 is connected to low vacuum between 3 and 4 and through a sleeve when the sleeve is moved to the left, and to the high vacuum when the sleeve is moved to the right through a position closing both openings 6, 7, as shown. Gear 17 also drives a screw 24 whereby a nut 25 actuates limit switches 27-29 incorporated in a motor control circuit containing three cold cathode tubes and relays and in which the connection, low to high vacuum is effected through a vacuum switch 34. On starting the low vacuum pump, a delay in ignition of the first cathode tube allows any impairment of pre-vacuum in the valve closed pump lines 6, 7 to act via the vacuum switch 34 to switch off the voltage. The motor 16 then moves valve 5 to the left, a relay closes back-up valve 31 and the low vacuum pump exhausts the chamber 8. A delay in the second cathode tube ignition before the valve is reversed allows any vacuum impairment to switch off the voltage. On passing through the central valve position, a limit switch opens back-up valve 31 and in the right-hand position, both pumps evacuate the chamber, and through switch 34, the valve returns to the central closed position when the evacuation is complete. Impairment of the vacuum switches off the voltage and a chamber vent valve may be opened via a further switch and relay.
Patent GB-1285022-A (GB)
Title: Grinding wheel spindle arrangement
Inventor: PALMER RAYMOND LESLIE
IPC: B24B41/04
Filed: 1968-08-09
Abstract: 1285022 Grinding wheel spindles COVENTRY GAUGE & TOOL CO Ltd 6 Nov 1969 [9 Aug 1968] 38037/68 Heading B3D A grinding wheel spindle arrangement comprises a rotatable sleeve 10 for mounting a grinding wheel 2 supported on a fixed shaft 6, the shaft being attached at one end 6a to a support housing 1, and at the other end borne by a detachable support 7 provided with pre-loaded ball or roller bearings 14. A clamping ring 11 bolted to a sleeve flange 10a retains the grinding wheel 10, drive being transmitted through a belt 3, while thrust bearings 8 and radial bearings 9 are provided. Bolts 12 allow removal of the support cover 7, and oil ways may be formed in the shaft 6 for lubrication or provision of a hydrostatic bearing arrangement.
Patent GB-332508-A (GB)
Title: Improvements in weft feeler mechanism for looms for weaving
IPC: D03D51/34
Filed: 1929-12-12
Abstract: 332,508. British Northrop Loom. Co., Ltd. Dec. 12, 1929. Weft-feeler arrangements.- A floating side slipping feeler 11 is guided by a slot in an upstanding part 14 of the feeler stand and by resting against a fulcrum 21. A spring 18 attached to an adjustable arm 20 and to a hooked part 16 of the feeler normally tends to move this rearwardly and in its proper feeling position, as shown in dotted lines but after the feeler has been moved frontwardly on a detecting beat by the weft carrier, the line of action of the spring passes from a position a in the rear of the fulcrum 21 to a position b in front thereof. The spring then tends to swing the feeler 11 about the fulcrum. Normally this longitudinal movement of the feeler is prevented by the weft on the weft carrier, but if this weft is sufficiently exhausted, the feeler swings and operates an arm 27, which causes weft-replenishment.
Patent GB-422731-A (GB)
Title: Improvements in and relating to electric couplings
IPC: H01R11/18
Filed: 1933-11-15
Abstract: 422,731. Cable and wire terminals. STEWART, J. E., 196, Copse Hill, Wimbledon, London, and CAMPBELL, H. G., 151, York Road, Woking, Surrey. Nov. 15, 1933, No. 31806. [Class 38 (i)] A protective device for the bared end of an insulated conductor to prevent access of moisture to the interior of the conductor comprises a cylindrical metallic portion 5, closed at one end and adapted to be fitted on the bared conductors 3, and an enlarged portion 6 engaging with the edges of the unstripped insulation 2 and braiding 1. The enlarged end may be of insulating material or covered with insulating material 12 as in Fig. 3 which shows the protected ends of two conductors clamped together in a slotted internally-threaded member 8 provided with an insulating shroud 11.
Patent GB-1150011-A (GB)
Title: Super-Conducting Circuit
IPC: H01L39/12
Filed: 1966-08-25
Abstract: 1,150,011. Beryllium alloys. CIBA Ltd. Aug.25, 1966 [Sept.1, 1965], No.38225/66. Heading C7A. An alloy which is super-conducting at temperatures below 10K consists of a major proportion of Be and a minor proportion of one or more of Re, Mo, W, Os, Tc, Nb, Rh and Ru.
Patent GB-1249518-A (GB)
Title: Industrial automatic titration apparatus
Inventor: KUNZMANN KLAUS
IPC: G01N31/16
Filed: 1969-07-30
Abstract: 1,249,518. Titration apparatus. KOMBINAT MESS-UND REGELUNGSTECHNIK VEB. 30 July, 1969, No. 38236/69. Heading B1X. In automatic titration, sample to be analysed flows continuously from and to a supply (not shown) via line 3, valve 2, vessel 4, of known volume, valve 5 and line 6. An auxiliary solution if involved is held in reservoir 7, line 8, vessel 10 of known volume and overflow line 12. The "two position" valves 2, 5, 9, 11 are operated by hydraulic or pneumatic controls, themselves governed by a control device 1. Compressed air is fed via lines 24, 23 to close the inlet of the valve 2 and the outlet of the valve 5. A branch line of the line 23 feeds air to flush the sample from the vessel 4 through conduit 25 to a reaction vessel 15. A similar flushing operation transfers the auxiliary solution to the reaction vessel via line 26. Standardised solution is then added from a burette 17 via valves 21, 20 and line 27. Near the end point of the titration the reaction sensor used, e.g. the pH meter, through the control device 1, causes the valve 21 to open intermittently in short pulses for dropwise control.
Patent GB-1472403-A (GB)
Title: Display sheets
IPC: G09F3/04
Filed: 1973-08-14
Abstract: 1472403 Display sheets; blackboard IMPERIAL CHEMICAL INDUSTRIES Ltd 25 July 1974 [14 Aug 1973] 38406/73 Headings B6A and B6P A display sheet which may bear printed markings and is receptive to markings made by ball point pen, pencil, chalk, crayons &c., comprises an open-celled polyolefin foamed film having a bulk density of between 0À05 and 0À5 g. cm.<SP>-3</SP> and a thickness of between 250 and 750 Á, and is fastened, without the use of adhesives, pins, clips or the like, to a support surface by smoothing into contact therewith. The cells may be elongated and oriented into a parallel configuration. The sheet may be accompanied by printed instructions and a plurality of such sheets may be stapled into a pad. Each sheet may contain an opaque pigment, e.g. TiO 2 , and the discharge treated on one or both sides.
Patent GB-816585-A (GB)
Title: Production of azoic pigments
IPC: C09B41/00
Filed: 1956-12-17
Abstract: A process for the production of azo pigments comprises coupling a diazotized primary aromatic amine devoid of water-solubilizing sulphonic and carboxylic acid groups with an acylacetarylide, pyrazolone or aromatic hydroxy compound also devoid of such watersolubilizing groups, in an aqueous bath containing a water-soluble anionic surface active agent which is an organic sulphate or sulphonate of at least 9 carbon atoms, and then heating the aqueous bath at a temperature of about 90 DEG  to 103 DEG  C. until the azo pigment is produced in a readily filterable flocculent form, said surface active agent being employed in an amount ranging from about 25 to 175 g. per gram. mol. of azo pigment.  Specified coupling components include aceto- or furoyl- or terephthaloyl-bis-acetic acid arylides, 1-phenyl- or -(p-chloro- or - nitro - phenyl) - 3 - methyl - 5 - pyrazolone, 1-phenyl - or - methyl - 5 - pyrazolone, phenols, 1 - and 2 - naphthols and 3 - hydroxy - 2-naphthoic or -anthroic acid acrylides.  Specified primary amines include 4-chloro-2-nitroaniline, 4 - nitro - o - toluidine, 4 - benzamido - 2 : 5-diethoxy-aniline and 1-naphthylamine.  Many other diazo and coupling components are specified.  The diazo compound may be used in the form of a stabilized diazoamino compound, or a complex salt with, for example, zinc chloride or sulphate, cadmium chloride or tin tetrachloride or as a salt with an organic sulphonic acid such as benzenedisulphonic, a -naphthalenesulphonic and naphthalenetrisulphonic acids.  The coupling component is dissolved in aqueous alkali which may also contain a water-soluble solvent such as ethyl or isopropyl alcohols and ethylene glycol or its monoethyl ether.  Specified surface active agents are dodecylbenzene, isopropylnaphthalene and diisobutylnaphthalene sulphonates; N-oleoyl- or -tallowacyl- or -palmitoyl-N-methyl-taurine and N-tall oil acyl-N-ethyl-taurine; lauryl sulphate, tridecyl sulphate, sulphonated and sulphated castor oil, fatty acid esters of isethionic acid, diamyl- or dioctyl-sulphosuccinate and, preferably, formaldehyde naphthalene sulphonates.  In examples a 5-diethylsulphamyl-o-anisidine is diazotized and to the aqueous solution thereof is added a polyoxyethylene ether of a higher fatty alcohol, a solution of 3-hydroxy-2-naphthoic acid-51-chloro-21 : 41-dimethoxyanilide containing sodium formaldehyde naphthalene sulphonate is slowly added thereto, the mixture is boiled and filtered and the pigment is finished by mixing it with an aqueous solution of the sodium formaldehyde naphthalene sulphonate, passing it over a roller mill and screening it.  The azo pigments 2-nitro-p-toluidine or 6-nitro-m-toluidine --> acetoacetanilide and 4-chloro-o-toluidine-->4-chloro-2:5-dimethoxyacetoacetanilide are prepared similarly.
Patent GB-364819-A (GB)
Title: Method of producing new porous heat insulating substances
Filed: 1930-12-23
Abstract: Non-absorptive, porous heat insulating compositions are made by mixing with known raw materials an emulsion of substances immiscible with, and insoluble in water and subjecting the product to a temperature above the melting point of the impregnation substance, if this is a solid.  Suitable impregnation substances are oils, resins, waxes, paraffin, asphalt, and the like.  The final heating may be done in an atmosphere containing less than 21 per cent of oxygen.  In an example non-absorptive light porous bricks are produced from 85 parts of basic magnesium carbonate, 15 parts of asbestos, and 2 parts of paraffin wax in the form of a water emulsion.  The mixture is agitated, placed in moulds, dried, and heated to 80 DEG  C. in an atmosphere containing less than 21 per cent of oxygen.
Patent GB-345242-A (GB)
Title: Improvements in or relating to photoelectric cells
IPC: H01J40/10
Filed: 1929-12-18
Abstract: 345,242. Photo-electric cells. LINDEMANN, F. A., 7, Keble Road, Oxford. Dec. 18, 1929, No. 38734. [Class 39 (i).] A photo-electric cell contains a heavy inert gas of high molecular weight such as krypton or xenor. or a mixture of gases in which these predominate.. In the case of xenon, the pressure may be 0À05 mm. The cathode may have a mono-molecular coating of caesium. Such a cell may be worked near the arcing potential. The anode-may consist of a ring or grid.
Patent GB-1432187-A (GB)
Title: Packaging system
IPC: B65B7/16
Filed: 1973-08-17
Abstract: 1432187 Filling and closing containers; endless conveyers OWENS-ILLINOIS Inc 17 Aug 1973 [22 Aug 1972] 38998/73 Headings B8C and B8A [Also in Division B5] In a packaging machine a film 144 is sealed to the rim of a container, and portions of the film extending beyond the rim are folded downwardly and subsequently folded into engagement with the sides of the container. Containers are released from stacks 100 by a releasing mechanism driven by linkages 106- 116 and are urged by suction from chambers 124 into pockets in a conveyer 32. The conveyer comprises a plurality of plates 84 having recesses 86 at the middle of their ends to receive studs 80 upstanding from endless chains. A button 82 is mounted on the top of each stud, the chains being deflected transversely during insertion of the plates. An aperture 89 for each container is formed by semi-circular recesses in the sides of adjacent plates. There may be two or more longitudinal rows of apertures 89. Flowable material passes from two or more nozzles 134 into each container. A web 144 of a thermoplastic, or of aluminium foil coated or laminated with a thermoplastic, is heat sealed to the rim of the container by a freely rotatable drum 146 comprising a silicon rubber sleeve on an aluminium core. The drum is mounted on an electrically heated, fixed drum having a threaded surface to increase heat transfer. A second heat-sealing may occur before or after the web is cut by the cutter 42 to separate the containers. The cutter comprises a drum having a plurality of circumferentially spaced axially extending recesses and one or more circumferentially extending recesses. Serrated edged cutter blades are clamped in the recesses by wedges. At a first folding station 44 the corners of the rectangular cover thus cut from the web are folded down about the circular container by an outer plunger 280 which is moved in a circular path by a crank drive 242 and which moves down over and along with the top of the container. Another plunger housed within the plunger 280 resiliently bears against the top of the container during the folding action. A ramp 220 lifts the containers as they pass the first and second folding stations 44 and 46. At the latter the sides of the containers beneath the rim are engaged by a fixed rail 300 and a moving belt 304 which rotates the containers as they are moved along so that the folded down flaps are pressed against the container sides. The flaps can be used as pull tabs.
Patent GB-1275975-A (GB)
Title: Improved pressure reducing valve and/or relief valve
IPC: G05D16/06
Filed: 1969-08-05
Abstract: 1275975 Valves RELF RESEARCH Ltd 5 Aug 1969 [6 Aug 1968 22 Oct 1968] 39072/69 Heading F2V The closure member of a pressure regulating valve is controlled by a flexible tubular pressure sensitive member which elongates or contracts linearly as it changes to or from an ellipsoidal form in response to pressure changes. Closure member 4 (Fig. 1) is moved towards nozzle 3 by inflation of flexible sleeve 8 against the action of spring 7 by upstream pressure communicated through slots 5b which guide a throttling member 5 acted upon by sliding member 6 secured to the free end of sleeve 8. In a modification (Fig. 2) closure member 20 is moved by a member 23 secured to the free end of ellipsoidal member 21 which is deflated by the upstream pressure in chamber 16, against the action of spring 22. In further modification (not shown) the tubular member can be of triangular or trapezoidal cross-section and can be pressurized by external means under manual control.
Patent GB-1475750-A (GB)
Title: Apparatus adapted for use in applying to articles powder in a gaseous stream
IPC: B23G11/00
Filed: 1974-09-09
Abstract: 1475750 Apparatus for coating thread of nuts with powder USM CORP 9 Sept 1974 [10 Sept 1973] 39223/74 Heading B2L Apparatus for providing a self-locking thermoplastic insert in a nut N comprises a conduit 23 with an orifice for directing upwardly powder in a gaseous stream supplied intermittently at an intake opening 22 of the conduit, the orifice being purged of powder between emissions by connecting the intake opening to a suction passage 33. As shown nuts N pass down a chute 12 through an induction heater 50 onto a rotating table 17 and are supplied with powder through a respective conduit 23 over 180 of rotation of the table while passing through a pair of suction hoods 45, which prevent powder deposition on the end threads, finally leaving the table up a second chute 14. Powder added to a hopper 15 falls onto a conical member 30 from which it is carried by air from a passage 31 through a venturi slot into a fixed 180 slot 29 from which it passes into the moving radial conduits 23. The fixed hub 11 also includes an opposed 150 slot 34 connected to the suction passage 33 which purge the conduits when they register with the slot 34.
Patent GB-1236998-A (GB)
Title: Charging unit for electrostatically operated writing and printing machines, for the application of charges to a charge carrier
IPC: B41J2/425
Filed: 1968-08-16
Abstract: 1,236,998. Selective printing. OLYMPIA WERKE A.G. 16 Aug., 1968 [17 Aug. 1967], No. 39300/68. Heading B6F. [Also in Divisions G2-G3] An electrostatic charging apparatus for producing a uniform electrostatic charge on a photo-conductively coated surface comprises a needle 6 within a cylindrical body 4 of insulating plastics material and energized through a conductor 8a connected to an 8-10 kv. D.C. source (12), Fig. 1 (not shown). Corona discharge emitted by the needle 6 passes through a circular opening 9 in a removable closure plate 7 to produce on a photoconductively coated surface 10 a charged strip of the required height of a character to be produced. The charged strip is then subjected to profiled light beams to produce latent electrostatic charges in the form of characters. The opening 9 may be oval, star-shaped or square instead of circular. The plate 7 may have convex or concave faces to produce a desired field. An incorrectly recorded latent image can be corrected by pulsing the high tension voltage or by applying a control potential to electrodes on the plate 7 and/or the body 4.
Patent GB-996828-A (GB)
Title: Pesticidal and herbicidal compositions
IPC: C07D307/52
Filed: 1961-11-02
Abstract: A pesticidal or herbicidal composition contains as active substance, together with a solid or liquid carrier, at least one compound of the general formula R1-N=C=N-R2 in which is R1 and R2 are hydrocarbon radicals, e.g. cycloalkyl, alkyl, alkenyl or aryl, e.g. phenyl or naphthyl radicals which may be substituted, e.g. by fluoro, chloro, bromo, alkyl, alkoxy, alkylamino, nitro, phenyl or furyl radicals. Specified forms are dusts, wettable powders, aqueous dispersions, aqueous emulsions and aqueous suspensions.  These formulations may contain non-ionic or anionic surface-active agents, fertilizers, perfumes, compressed gases, binders and other pasticides.
Patent GB-870222-A (GB)
Title: Improvements in or relating to automatic fire extinguishing systems
Inventor: AULT WAYNE EDWARD
IPC: A62C35/64
Filed: 1959-11-19
Abstract: 870,222. Automatic fire-extinguishing. AUTOMATIC SPRINKLER. CORPORATION OF AMERICA. Nov. 19,1959, No. 39324/59. Class 47. In automatic fire extinguishing apparatus of the kind in which a frangible member controlling fire extinguishing substance is broken by a plunger of a control device, the plunger 18, Fig. 2 is retained, against upward pressure by a spring 21, by a crank shaft 24A in an aperture in the plunger's end 23 The crank shaft is held against rotatior by a secondary mechanism including a diaphragm-actuated escapement which can also be manually tripped. The secondary mechanism includes a lever 29, Fig. 3, which, when its lower end is released from engagement with a lever 33, urged by spring 31, frees a lever 28 allowing or assisting the cranl to turn. The movement of lever 33 is controlled by a lever 42 which latter is moved by the pin 47 of a diaphragn under automatic control of an air thermostat or thermostats. Lever 42 can also be tripped manually by means of a pin 61 on a shaft 55 movable by a push-button 51 or remotely by a cable 53 and conical cams 68, Fig. 4.
Patent GB-1058225-A (GB)
Title: Restoration of fouled ion exchange resins
IPC: B01J49/00
Filed: 1963-10-07
Abstract: Ion exchange material fouled with surface coatings of material are violently agitated to cause abrasion of the particles whereby contamination will be removed.  The degree of restoration is measured by chemical or electrical tests and agitation is discontinued when the desired degree of restoration is achieved. The impeller of a centrifugal pump or an ejector is used for agitation.
Patent GB-1086716-A (GB)
Title: Bistable circuit
IPC: G11C11/411
Filed: 1964-09-28
Abstract: 1,086,716. Transistor stores. BUNKERRAMO CORPORATION. Sept. 28, 1964 [Oct. 7, 1963], No. 39425/64. Heading G4C. [Also in Division H3] A bi-stable circuit comprises a pair of transistors 12, 14 having a common emitter load 28 connected to a voltage source 30, the collector of transistor 12 being connected to the base of the transistor 14 and via a resistor to a voltage source 22, the base of 12 and collector of 14 being held at a constant potential, the base of transistor 14 forming a common set, reset and read-out terminal. As described, the bi-stable circuit 10 is used as a single digit store, a binary 0 being represented by transistor 12 being saturated and transistor 14 non- conductive whilst a binary 1 is represented by a transistor 14 being saturated and 12 non- conductive. Data is written into the circuit 10 by simultaneously closing the circuits through a gate 48 and transistor 34 when the circuit 10 assumes a stable state representative of the output of the writing amplifier 50. Data is read out at 52 by pulsing transistor 34 when the gate 48 is inhibited. The effect of the capacitance 54 is explained. Under specified circumstances, the transistor 34 passes current only via the base/collector junction.