baber/WOPTO huggingface dataset:
Patent GB-928175-A (GB)
Title: Improvements in herbicidal compositions and to compositions for the desiccation of potato haulms and similar vegetation
Inventor: CAMPBELL JOHN DUNCAN
IPC: A01N39/02
Filed: 1960-09-05
Abstract: A herbicidal composition comprises a water-soluble chloride in admixture with 2-(2-methyl-4-chloro phenoxy) propionic acid or (2-methyl-4-chloro-phenoxy-acetic acid or their salts, esters or amides.  Specified adjuvants are urea, ammonium nitrate and alkali metal nitrates.  Examples contain the sodium or potassium salt of 2-(2-methyl-4-chloro phenoxy) propionic acid, sodium chlorate and urea and a wetting-agent, e.g. "Lissapol" (Registered Trade Mark).
Patent GB-505495-A (GB)
Title: An improved gyro-magnetic compass combination
IPC: G01C19/36
Filed: 1937-11-08
Abstract: 505,495. Gyro- - magnetic compasses. SPERRY GYROSCOPE CO., Inc. Nov. 8, 1937, No. 30534. Convention date, Nov. 6, 1936. [Class 97 (iii)] Means for resetting a gyro-magnetic compass comprise a manually-controlled servomotor system for applying torques about the horizontal axis of the gyroscope. As shown, an air jet from one or other of two nozzles 91, 91<1>, carried by the vertical ring of a gyro-magnetic compass as described in Specification 466,864 is adapted to impinge on a serrated sector 22 fixed to the rotor casing. The nozzles 91, 91<1> are alternatively supplied with air by operation of one or other of a pair of push-buttons. Alternatively, a single rotatable control knob may be provided.
Patent GB-416204-A (GB)
Title: Improvements in grinding machines
IPC: B24B27/00
Filed: 1933-11-03
Abstract: 416,204. Swing - frame grinding - machines. WAGNER, G., 2, Rue Nicephore- Niepce, St.-Etienne, Loire, France. Nov. 3, 1933, No. 30592. [Class 60.] In a swing-frame grinder comprising a beam 1 carrying a grinding-wheel 3 and motor 54, and suspended from a link 7 adapted to be adjusted along the beam by means of a control rod 14 to balance the machine, the link 7 is pivoted about an axis extending longitudinally of the beam to a crosshead 10 which is movable on longitudinal guides 11. In the construction shown, the crosshead 10 is slotted to engage the flanges of angle-iron members forming the guides and is traversed by a screw 12 rotated by a hand-wheel 15. A spring-pressed bolt 16 operated by a handle 17 and mounted in the crosshead can be made to engage one of a number of holes 19 in the link 7 so that the beam may be maintained in a laterally-tilted position. A double two-step pulley 20 on the motor shaft and a double single step pulley 21 on the wheel spindle are connected by belts 22, which are tensioned by mounting the motor on a platform 4 so that it may be adjusted towards and from the pulley 21 by means of a lever 28 which is slotted to engage a pin on the underside of the motor base. The ball or other bearings of the grinding wheel are mounted in boxes 34, 35 fixed to the sides of the wheel casing 2, that in the box 34 having lateral play, and their hubs 37, 39, the latter carrying the pulley 21, are clamped to the centre plate 43 of the wheel by a screwed bolt 47 passing through the whole. The engaging faces of the hub 39 and the centre plate 43 may have a tongue and groove connection to transmit the drive, or they may be flat surfaces, with or without an interposed friction washer. Withdrawal of the bolt 47 enables the wheel to be readily removed.
Patent GB-656511-A (GB)
Title: Improvements in and relating to the reduction of fibrous and other materials
IPC: B02C7/14
Filed: 1946-10-15
Abstract: 656,511. Disc mills. TALBEX, Ltd., and SWAIN, C. D. Oct. 15, 1946, Nos. 30635 and 30636. [Class 59] A mill of the kind in which material is reduced by passage between relatively rotatable ribbed plates, comprises a stationary upper plate and a rotary lower plate mounted on a drive shaft supported by two spaced bearings in a sleeve screwed into the fixed casing of the mill, whereby the separation of the plates may be adjusted by rotation of the sleeve. The mill shown comprises a rotary plate 20 carried by a member 42 fixed on a driven shaft 16, and a stationary plate 22 carried by a hinged counter-weighted lid 14 secured by screws 24. Material fed in through an opening 26 is guided to the gap between the plates by a conical member 28 mounted on the shaft, and after reduction passes into a space 32 where it is acted on by vanes 34 formed on the member 42 and swept out through an outlet 36, see Fig. 3 (not shown). The bearings of the shaft 16 are supported by a screwed sleeve 48 which may be rotated by a graduated handwheel 60 to adjust the separation of the plates. The sleeve may be locked in adjusted position by a screw 62 bearing against a split ring 63. Ingress of ground material to the bearings is prevented by an annular rib 88 on the member 42 which cooperates with a similar rib 90 on the mill casing. The plates are made up of sectors bolted to base rings 38 and 74 secured respectively to the member 42 and lid 14, each sector being provided with ribs tangential to a common circle as shown in Figs. 4 and 5. The triangular ribs 66 on the rotary plate are of constant width and are separated by tapering grooves. Short ribs 68 are provided in the wider parts of the grooves. The ribs 64 on the stationary plate are of rectangular cross-section and decrease in width towards the outer periphery of the plate so as to maintain the sides of the grooves parallel. According to first Provisional Specification the bearing sleeve may be supported on adjusting screws, and the material fed to the grinding gap by helical vanes or blades. According to second Provisional Specification, the plates may be in the form of truncated cones. Specification 517,699 is referred to.
Patent GB-303105-A (GB)
Title: Improvements in and relating to gearing for effecting a uniform drive
Filed: 1928-10-23
Abstract: 303,105. Electrical Research Products, Inc., (Assimees of Elmer, L. A.). Dec. 28, 1927, [Convention date]. Driving.-In means for effecting a uniform drive when using worm gearing. particularly for driving the turntables of sound recording or reproducing machines, a worm-wheel is formed in layers each individually driving the driven shaft through springs, a parallel drive being effected by a system of springs and levers connecting all the layers and driving the shaft through an oil cushioning device. A driving-worm. 29 engages a worm-wheel formed in four layers 22 - - 25 capable of independent movement and each carrying a pair of pins such as 35, 36 or 37, 38 connected by a bar 41 or 42 and attached by a pair of springs 74, 75 or 72, 73 to a bracket 66 or 64 secured to a plate 63 on the shaft 53, which drives the turntable 53<1>. The layers 22, 23 are interconnected by links 76, 77 spring-connected to the ends of the bars 41, 42 and of the floating lever 78 spring-connected at its centre to the end of a lever 82 supported on springs 88 passing through a slot in the shaft 53 and secured to a bracket 86 on the upper end of a sleeve 46 rotatable upon the shaft. The other end of the lever 82 is spring-connected to the lower end of a vertical floating lever 84, the middle of which is connected to a bracket 85 on the sleeve 46, the upper end being connected to a lever 83 controlled, similarly to the lever 82, by relative movement between the gear layers 24, 25. The sleeve 46 carries a casing formed in two adjustable portions 48, 49 and provided with vanes 61 lying between vanes 59 on a member 57 secured to the shaft 53, the casing 10 being filled with oil to the level of the worm 29. The action upon the shaft 53 of irregularities in the worm gearing is reduced cr cancelled b.y the action of the lever system and by the cushioning effect of the oil between the vanes 61, 59, which may be adjusted axially to vary this effect. To average discrepancies in the worm gear, the layers 22 - - 25 are respectively displaced through angles of 0‹, 90‹, 180‹, and 270‹. from the positions they occupied in their common tooth cutting position. The movement of the shaft: 53 relatively to the gear layers is limited by the. use of an arm 93 on the plate 63 lying between the enlarged heads of two of the bars 41, 42. Escape of oil through the bearings of the shaft of the worm 29 is prevented by the use, in addition to the ordinary stuffing-box 153 and a plate 152 to shield the box, of a cavity x opening to a pipe 154 the remote end of which lies within notches 151 in the vanes 150 turning with the sleeve 46, so creating a suction in the cavity x. Specification 283,529 is referred to.
Patent GB-1191673-A (GB)
Title: Circuit Arrangement in a Television Receiver for the Combined Amplification of the Video Signal and the Frequency-Modulated Sound Intercarrier Wave
IPC: H04N5/62
Filed: 1967-07-04
Abstract: 1,191,673. Amplifiers; diplex radio sigrialling. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 4 July, 1967 [6 July, 1966], No. 30677/67. Headings H3T and H4L. In a television receiver a circuit arrangement for the combined amplification of video signals and of frequency-modulated sound intercarrier signals comprises a driver transistor 8, to the base of which demodulated output signals from the video intermediate-frequency section of the receiver are applied, and from the emitter and collector of which video signals and sound intercarrier signals are respectively derived. The impedance in the collector circuit is such that variations in the stray basecollector capacity of the driver transistor produce substantially no phase shifts in the derived sound intercarrier signals, so reducing cross-modulation thereof by the video signals. As described, the said impedance is constituted by a resistor 25, output from which is directly connected to a transistor 23, which is followed by a discriminator 27. A resistor 9 in the emitter circuit provides strong negative feed-back against video signals, but is made ineffective for sound intercarrier signals by connecting across it a series resonant circuit 10 tuned to the intercarrier frequency. In another embodiment (Fig. 2, not shown), the said impedance is constituted by a parallel resonant circuit tuned to the intercarrier frequency, in which the value of the capacitive component is many times that of the stray base-collector capacity of the driver transistor, so that variations of the latter have negligible effects. As described, the primary (30) of a transformer (36) is connected in the collector circuit of the driver transistor (8) and its secondary (37) is connected to a capacitor (38). The ratio of the secondary turns (n 2 ) to the primary turns (n 1 ) is made high, so that the equivalent capacity appearing in the collector circuit is that connected to the secondary multiplied by (n 2 /n 1 )<SP>2</SP>. The inductance appearing in the collector circuit is that of the secondary winding divided by (n 2 /n 1 )<SP>2</SP>.
Patent GB-493983-A (GB)
Title: Improvements in or relating to friction elements and methods of making the same
IPC: F16D69/02
Filed: 1937-11-09
Abstract: Friction elements have a binder consisting of a polymerizing or otherwise drying fatty oil and a trihydroxybenzoic acid or tannin, with or without an iron salt of ferro-cyanic or ferricyanic acid. Sulphur may be added.  An exemplary composition consists of asbestos, pyrobituminous material, such as bituminous or soft coal, polymerized linseed oil, sulphur, petroleum naphtha, gallic acid and Prussian blue.
Patent GB-307531-A (GB)
Abstract: 307,531. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). Dec. 7, 1927. Sulphonic acids of N-acetoacetyl arylamines are obtained by sulphonation of the acetoacetylarylamine:; with the exclusion throughout the reaction of water or agents containing water. In examples, acetoacetanilide and o-chloracetoacetanilide are sulphonated with 3 to 5 times the quantity of 20 per cent oleum at about 10‹ C. bulphuric anhydride is also mentioned as a sulphonating agent, and the acetoacetyl derivatives of p-anisidine, as-m-xylidine, o-toluidine, and the naphthylamines as starting materials. Azo dyes.-Sulphonated acetoacetanilide gives by coupling with diazotized aniline a yellow dye. and with diazotized sulphanilic acid a reddishyellow dye.
Patent GB-1328905-A (GB)
Title: Electrode for use in electrochemical cells and a process for producing the electrode
IPC: C25B11/06
Filed: 1971-06-30
Abstract: 1328905 Laminates SIEMENS AG 30 June 1971 [1 July 1970] 30765/71 Heading B5N [Also in Divisions B2 and H1] An electrode for use in an electrochemical cell comprises (a) a layer of powdered catalyst material for catalysing electrochemical reactions, (b) a porous covering layer which is gas-tight and ion permeable when impregnated with an electrolyte which covering layer is formed of fibrous material and a butadiene-styreneacrylonitrile copolymer binder, the layer of powdered catalyst material including a butadiene-styrene-acrylonitrile copolymer to bind the particles together and to the covering layer. The electrode can be produced by (1) producing the covering layer and independently thereof the mixture of catalyst material and butadienestyrene-acrylonitrile polymer, (2) applying the mixture to the covering layer and pressing the two layers together, and (3) cross-linking both binders. Preferably nitrile groups of the binder are thereafter saponified to carboxyl groups. Alternatively the copolymer contained in the covering layer may be cross-linked immediately after the preparation of the covering layer, while the copolymer contained in the catalyst layer is cross-linked after the pressing of the catalyst layer and the covering layer. In this embodiment the saponification of the nitrile groups of the binder is advantageously also separately carried out. The covering layer may be prepared by adding dropwise to an emulsion of the fibrous material in water an aqueous dispersion of the copolymer, forming the mixture into a sheet, removing the water and compressing the sheet. The catalyst-binder mixture may be spread on to the covering layer. Alternatively lubricants, e.g. polytetrafluoroethylene or a water-soluble polyglycol may be mixed with the mixture of catalyst and binder and the mixture rolled out into the form of a layer before being applied to the covering layer. The fibrous material of the covering layer may be asbestos, carbon fibres, glass fibres, plastics, e.g. polypropylene fibres. Fillers may be mixed with the catalyst-binder mixture, e.g. soluble salts such as ammonium oxalate, potassium oxalate and potassium carbonate. In an example an aqueous dispersion of butadienestyrene - acrylonitrile copolymer containing Raney nickel and lubricant was dried, homogenized and rolled out into a layer. The layer was laid upon a moistened covering layer comprising butadiene-styrene-acrylonitrile copolymer and asbestos and pressed. The copolymer in the two layers was cross-linked by heating under pressure and the nitrile groups of the binder saponified by treatment with potassium hydroxide solution. The lubricant was then dissolved out by treatment with water.
Patent GB-728852-A (GB)
Title: Improvements in or relating to hinges
IPC: A47B23/00
Filed: 1952-12-04
Abstract: 728,852. Hinges. SCHREIBER, S. Dec. 4, 1952, No. 30832/52. Class 65(2). A hinge comprises an element 10 formed by cutting from an extrusion, the element being of circular cross section with an integral extended radial portion 11 and being formed with two spaced recesses 12, 13 in its periphery and with a central bore, whereby when a pivot pin 14 extends through the bore and a spring 15 bears on the periphery to engage in one or other of the recesses, the portion 11 will be retained in alternative angular portions. Pin 14 is secured between the sides of an inverted U-shaped bracker 6 fixed to the framework 1 of a bed-tray stand according to Specification 728,851, [Group XIV], and the portion 11 is secured to one of the folding legs 17 of the stand.
Patent GB-280930-A (GB)
Title: Improvements in or relating to the manufacture of emulsions or suspensions
IPC: C08L95/00
Filed: 1927-11-16
Abstract: 280,930. Baume, G., Chambige, P., and Boutier, D. Nov. 17, 1926, [Convention date]. Addition to 255,074. Emulsions, making. - In the preparation of emulsion as set forth in the parent Specification the soap employed may be replaced by ingredients forming soaps or like emulsifying agents inter se or with other added ingredients. Examples of such ingredients are caustic alkali, carbonates, sulphites, alkaline borates, sulphite lyes such as sulphite cellulose lye. The emulsions may be kept in concentrated form as described in Specification 262,724. Two or more principal ingredients may be employed such that their physical properties are combined in the final product. For example emulsions for treatment of roads comprising coal tar pitch and petroleum pitch in the proportions 80: 20 and 30: 70 respectively give surfaces having anti-skid properties both as regards mechanically-propelled and horse-drawn vehicles. Inert substances or mixtures of such substances may be added, without previous drying. in any proportions to the emulsions. Such substances comprise asbestos in pulverized or other condition, kieselguhr, infusioral earths. powdery or other clays, gravels, sands, wood waste, sawdust, vegetable fibres such as the residues from vegetable fermentation processes, bone powder and the like resulting from the calcination of offal, slags from blast furnaces or foundries. By such additions it is stated that the physical properties such as the elasticity, tenacity, specific gravity, or porosity of the final product may be modified.
Patent GB-767185-A (GB)
Title: Improvements in or relating to shirt collars
Inventor: DAVIES HENRY STEPHEN
IPC: A41B3/00
Filed: 1954-10-26
Abstract: 767,185. Shirt collars. ROGERS, Ltd., R. H. & S. Aug. 31, 1955 [Oct. 26, 1954], No. 30920/54. Class 141. A one-piece collar has a lining formed with a longitudinal tuck defining the fold-line of the collar. In one form, Fig. 2, the collar comprises a facing 1, a lining 2 having a tuck 3, and a backing 5, the lined facing and the backing being edge-turned and stitched together along the lines 6. Alternatively, the backing 8, Fig. 5, facing 7, and lining 9, having a tuck 10, may be superimposed and edge-sewn as at 11, and then turned to bring the layers into the correct order as shown in Fig. 5, the opposite edges being turned in and sewn at 12. The stitched collar is preferably treated so as to cause the lining to fuse and to bond with the backing and facing layers. Specification 767,184 is referred to.
Patent GB-677053-A (GB)
Title: Hair-fastening devices
IPC: A45D8/12
Filed: 1950-12-19
Abstract: 677,053. Combs; hair fastenings. BURGI, H. Dec. 19, 1950. [Dec. 19, 1949] No. 30932/50. Class 131. A hair fastening device comprises a comb having a hollow guide in the back portion to receive one leg of a hair clip which secures the comb in the hair. As shown, the back portion 3 of a curved comb 1 is turned over to form a guide 5. After the comb has been inserted in the hair, the leg 6 of a clip 7, is inserted in the guide, the leg 8 remaining outside to grip a tress of hair. In a modification the comb is formed with a hollow back.
Patent GB-940640-A (GB)
Title: Improvements in and relating to calibrating or adjusting means for comparators
IPC: G01B3/22
Filed: 1961-08-29
Abstract: 940,640. Comparators: indicating apparatus. FABRIQUES D'ASSORTIMENTS REUNIES S. A. SUCCURSALE J. (CARY). Aug. 29,1961 [Oct. 7, 1960],No. 31020/61. Headings G1J and G1M. The transmission ratio between a feeler ,such as 3, of a comparator and an indicater 11 is commonly adjusted by moving a knife edge bearing point such as 4 to alter the effective length of a lever 5. According to the invention knife edge 4 is formed on a member pivoted at 15 and moved by screws 16. The arrangement is such that the ratio of the distance moved by the screws 16 to that moved by the knife edge is greater than one. Thus the bearing point of knife edge 4 can be accurately adjusted. One of the screws 16 may be replaced by a spring.
Patent GB-1005289-A (GB)
Title: Rocker pump for free-flowing solids or slurry
IPC: F04F7/00
Filed: 1963-08-07
Abstract: 1,005,289. Reciprocating conveyers. M. L. HUBBARD. Aug. 7, 1963 [Aug. 13, 1962], No. 31136/63. Heading B8A. [Also in Division F1] A pump for free-flowing solids or slurries having a very low liquid content and adaptable for pumping liquids comprises a tubular pumping member 12 having an inlet member 18 at its upper end, an outlet member 20 at its lower end and being pivotally supported at 34 adjacent the upper end of the member 18, the lower end being oscillated by a motor 40, the outlet from the member 20 being in the general direction of oscillation. The members 18, 20 are respectively connected by flexible couplings to a hopper 16 and an outlet conduit 24. A check member 82 is adapted to engage a bumper member 84 immediately prior to reversal of member 18. A non-return valve 48 may be inserted in the member 18 to permit liquid to be pumped. The outlets 24 of a pair of pumps may be connected through non-return valves to a single conduit.
Patent GB-1102036-A (GB)
Title: Acoustic system
IPC: H04R5/02
Filed: 1965-07-22
Abstract: 1,102,036. Stereophonic loud-speaker systems. F. H. MAGNUS. 22 July, 1965 [13 April, 1965], No. 31206/65. Headings H4J, H4R and H4X. A sterophonic loud-speaker system (Fig. 1A) comprises a central blending chamber 10 and two side chambers 11-1, 11-2. Bass speakers 15-1 and (15-2, Fig. 1B, not shown), one for each channel, are in opposite walls of the chamber 10. A mid-range speaker 20-1 and treble speakers 21-2, 22-2 for one channel together with mid-range speaker 20-2 and treble speakers 21-1, 22-1 for the other channel are provided in the front wall. Connections are made to the various speakers from a stereophonic amplifier via a two-channel cross-over network. Chambers 11-1 and 11-2 provide resonance for the bass speakers 15-1 and 15-2. Rearward propagation from the speakers is mixed in the chamber 10 and emerges through a frontal aperture 18. The system may be included in a cabinet 30, Figs. 2A, 2B, 2C (not shown), housing an amplifier 31 and a recordplayer 32. The front walls of the chambers 11-1 and 11-2 may include frontal apertures (35-1, 35-2) covered by grille cloth. A rack (37) at the rear of the cabinet may be used for record storage. In an alternative arrangement (Fig. 3A), three frontal apertures 50 are provided. Four mid- and high-range speakers 49 each having their rear diaphragms shielded by a metal frame are mounted on the outside of the rear wall of the central blending chamber, two at each end, to direct their acoustic energy into the chamber. Apertures 47-1, 47-2 are provided in partitions separating the central blending chamber and two side chambers 41-1 and 41-2. An aperture 44-1, 44-2 is provided in the frontal wall of each side chamber.