baber/WOPTO huggingface dataset:
Patent GB-364033-A (GB)
Title: Production of di-calcium or di-magnesium phosphate and of mixed fertilisers containing the same
IPC: C05B11/06
Filed: 1930-09-26
Abstract: In obtaining dicalcium or dimagnesium phosphate by dissolving raw phosphate in hydrochloric or nitric acid, part of the solvent acid is driven off by adding the phosphate solution to a boiling solution of the calcium or magnesium salt of the respective solvent acid, the said solution having a higher boiling point than the acid. Precipitated dicalcium or dimagnesium phosphate and the newly-formed salt solution are removed, the phosphate then separated, and residual acid in the solution is neutralized by calcium carbonate present in fresh raw phosphate.  By this means also, acid is saved in future lixiviation.  Calcium chloride or nitrate may be recovered from the solution, say by evaporation. Alternatively, when nitric acid is employed, a mixed fertilizer may be obtained by drying together the dicalcium phosphate and newly-formed calcium nitrate.  In another modification, potassium sulphate may be added to the phosphate solution, calcium sulphate separated, and a fertilizer consisting of dicalcium phosphate and potassium nitrate obtained by evaporating to dryness.  The process may be worked continuously, for example, by mixing the phosphate solution and the boiling salt solution at the top of a separating column, while the acid solution containing the suspended phosphate flows off at the bottom.  The Specification as open to inspection under Sect. 91 (3) (a) discloses also neutralization of the separated solution with lime or calcium carbonate.  Claim is also made for the production of mixed fertilizers containing dimagnesium phosphate.  This subject-matter does not appear in the Specification as accepted.ALSO:Fertilizers are obtained by dissolving raw phosphate in hydrochloric or nitric acid, and driving off part of the solvent acid by adding the phosphate solution to a boiling solution of the calcium or magnesium salt of the respective solvent acid; dicalcium or dimagnesium phosphate is precipitated.  When nitric acid and a solution of calcium nitrate are employed, a mixed fertilizer may be obtained by drying together the dicalcium phosphate precipitated and the newly formed calcium nitrate.  In a modification, potassium sulphate may be added to the phosphate solution, calcium sulphate separated, and a fertilizer consisting of dicalcium phosphate and potassium nitrate obtained by evaporating to dryness.  In the Specification as open to inspection under Sect. 91 (3) (a) claim is made for the production of similar mixed fertilizers containing dimagnesium phosphate.  This subject-matter does not appear in the Specification as accepted.
Patent GB-248451-A (GB)
Title: Improvements in or relating to electrical switches
IPC: B60R16/00
Filed: 1924-12-03
Abstract: 248,451. Stanton, H. B. Dec. 3, 1924. Retractive switches; switches, actuating; contacts; bases.-A switch for controlling the electric horn circuit of a motor vehicle comprises a casing composed of two parts 4, 5 between which is held an insulating disc 2 carrying two contact plates 1, 1 connected to terminals 10, 10, the plates having upturned edges 9 located near a central aperture in the disc 1. The movable contact member 3 is mounted loosely on, but insulated from the operating rod 6 which is normally held in a central position by a spring 6 but the knob 14 may be moved in any radial direction to cause the member 3 to bridge the edges 9 of the fixed contact plates 1, the contact 3 being bored in the manner shown to permit proper engagement between the fixed and movable contact members. The lower part of the casing carries a fixing band 15 which is clamped around the steering column in such a position that the operating knob 14 is adjacent to the rim of the steering wheel. Where one pole is earthed only one fixed contact plate is employed which is engaged by the movable contact 3 on lateral pressure of the operating knob.
Patent GB-399661-A (GB)
Title: Improvements in and relating to the manufacture of cigar fillers
IPC: A24C1/02
Filed: 1932-10-18
Abstract: 399,661. Cigar -making machines. DISKUSWERKE FRANKFURT AM MAIN MASCHINENBAU-AKT.GES., Fechenheim, Frankfort-on-Main, Germany. Oct. 18 1932, No. 29154. Convention date, Oct. 26, 1931. [Class 130.] To enable cigar fillers to be manufactured in pairs, tobacco is intermittently fed into a mould 4, which is divided in half by a partition 5, and compressed by a stamper 12. It is then expelled from the mould by plungers 3, 3a and carried forward by a band 6 through final shaping-moulds formed by bars 7, into a chamber 8 where the fillers are severed. The chamber 8 is then turned through ninety degrees, and the fillers are discharged in a downward direction by a plunger 9.
Patent GB-258445-A (GB)
Title: Improvements in or connected with rollers for use in dye-jigs or elsewhere
IPC: D06B23/00
Filed: 1925-11-19
Abstract: 258,445. Taylor, L. Nov. 19, 1925. Rollers for use in dye-jigs &c. are provided with a reserve length of trunnion housed as to its unused length within the roller. In use, when the trunnion is worn, it is withdrawn from the roller, the worn piece is cut off, and the remaining trunnion length is re-clamped in position. In the form shown in Fig. 1, a steel roller a having an ebonite or rubber covering is provided with a boss b having tapered screwed portions b<1>, b<2> to receive a tapered and screwed split wedge piece c for securing the trunnion length t. The wedge tins a shaped end c<4> by which it can be turned, a hole b<3> being provided in the boss b for holding by a tool while the clamping device is being unscrewed or screwed up. Packing may be used to prevent dye liquor from passing to the interior of the roller. In a modification, the split wedge and boss are tapered in the opposite direction from that shown in Fig. 1, the wedge being secured by external lock-nuts. In other forms, the boss is formed with a split and tapered sleeve for engaging the trunnion, the. locking-device being screwed on to a portion of the sleeve or into a screwed aperture in the boss.
Patent GB-149925-A (GB)
Title: Improvements in or relating to the production of metal oxides and other compounds ofmetals
IPC: C01G1/02
Filed: 1919-11-24
Abstract: In the production of volatilizable metal oxides and compounds such as zinc oxide and basic lead sulphate by blowing air through a mixture of fuel and ore on a bed of ignited fuel, the ignition fuel or the ore or the reducing coal is used in the form of briquettes, for instance of double pyramidal form on a common square base of 1 3/4 inch side, the distance between the apexes being 1 1/2 inches; or the ore and reducing-fuel may be briquetted together, and some ore may be briquetted with the ignition fuel.  The binding-agent may be sulphite cellulose liquor, and a pressure of 2000 lb. per square inch may be used in the briquetting.  The briquettes are dried and baked by stacking on trays in a tunnel drier at 200 DEG  C.  The pressure of the blast is less than in the known process, and it may sometimes be dispensed with, the fan which draws the fume through the bag room being sufficient to draw enough air through the charge.
Patent GB-1586473-A (GB)
Title: Fatty product
IPC: A23L27/21
Filed: 1976-07-14
Abstract: An oil, or fat, product is prepared by dispersing a salt and a flavouring additive in a fat, or oil. The flavouring additive contains one or more flavourings. These substances are obtained by heating a mixture of one or more amino acids, one or more carbohydrates and a carrier material. Heating is continued until a certain colour change takes place. The resulting oil, or fat, product can be used for example for preparing gravy, soups, flavoured food preparations and sandwich spreads.
Patent GB-1159040-A (GB)
Title: Digital Filter.
IPC: H03H17/06
Filed: 1968-06-20
Abstract: 1,159,040. Digital filters. INTERNATIONAL BUSINESS MACHINES CORP. 20 June, 1968 [19 July, 1967], No. 29366/68. Heading H3T. A digital filter comprises: a product generator 30 arranged to provide, at different outputs, different multiples x(k) . . . (2<SP>n-1</SP>)x(k) of signals applied to the generator; and a selection circuit 32 arranged to apply the output signals to first inputs of a plurality of two-input AND gates e.g. 38, the second AND gate inputs and the outputs thereof being connected in cascade with delay circuits e.g. 34, 36. A further product generator 42 and selection circuit 44 may be connected in a feedback path. The product generator Fig. 4 (not shown) comprises shift registers (56, 58, 60) producing x(k), 2x(k), 4x(k) the outputs from which are fed to adders (62, 68, 70) further shift registers (64, 66) to produce the other required products, viz 3x(k), 6x(k), 5x(k) and 7x(k).
Patent GB-1183518-A (GB)
Title: Method of preparing Polyethers containing Hydroxyl Groups and Phosphorus
Inventor: JENKNER HERBERT
IPC: C08G65/22
Filed: 1967-06-26
Abstract: 1,183,518. Phosphorus-containing polyethers. CHEMISCHE FABRIK KALK G.m.b.H. 26 June, 1967 [29 June, 1966; 12 July, 1966], No. 29406/67. Heading C2C. [Also in Division C3R] A method of preparing phosphorus-containing polyethers with free hydroxy groups comprises reacting a dialkyl ester of formula where R represents identical or different, saturated or unsaturated, aliphatic hydrocarbon radicals, with a polyfunctional aliphatic, cycloaliphatic or aromatic alcohol in a molar ratio of 1:1 to 100:1 at a temperature of 0‹ to 150‹ C. in the presence of a Friedel-Crafts catalyst, destroying the catalyst with alcoholic sodium or potassium hydroxide solution, and the volatile components are distilled off from the reaction product. The alcohols used may be chlorine and/or bromine substituted. The products are used as flame-protection agents.
Patent GB-243384-A (GB)
Title: Improved manufacture of rubber compounding material
IPC: C08L7/00
Filed: 1925-11-21
Abstract: 243,384. Barrett Co., (Assignees of Cowdery, A. B.). Nov. 22, 1924, [Convention date]. Hydrocarbons, distilling.-An ingredient of rubber compositions is obtained by distilling coal tar as described in Specification 158,852 until the residue contains about 60 per cent free carbon and has a melting point of 350-400‹ F. and a. specific gravity of 1.30-1.35.
Patent GB-229403-A (GB)
Title: Improvements in the connection between a gyroscope, long period pendulum or equivalent sensitive element and its follower
IPC: G01C19/38
Filed: 1923-11-22
Abstract: 229,403. Henderson, Sir J. B. Nov. 22, 1923. Relay devices.-In a connection between a gyroscope, long period pendulum &c. and its follower, the greater part or the whole of the weight of the sensitive element is borne by an elastic connection in thrust between the element and its follower. In the form shown the trunnion 2 on the vertical ring 1 of the gyroscope &c. is mounted in a ball bearing 3 within a cylindrical extension 5 from the follower 4. The extension 5 has at its lower end a cap 6 through which passes a screw 7 the stem 9 of which carries a ball 10 on which the trunnion rests. The weight of the sensitive element is borne partly by the ball 10 and partly by six wires 12 in thrust between rings 13, 14 on the trunnion and the cap 6 respectively, the division of the load being adjustable by turning the screw 7. The stiffness of the wires 12 may be such that they will take the whole load, but in the preferred arrangement a small part is borne by the ball 10. In a modification, four wires 12 are used and are loaded bevond their critical load so that they buckle inwards, the wires being held to a vertical stem at their centres by means of an encircling ring.
Patent GB-226201-A (GB)
Title: Process for moistening paper
IPC: D21G7/00
Filed: 1924-12-09
Abstract: 226,201. Koholyt Akt.-Ges. Dec. 15, 1923, [Convention date]. Calendering; cooling. - In moistening paper prior to the glazing or satining process, the paper is cooled to a temperature below that of the surrounding air, preferably below its dew point and moisture thus precipitated from t'he air on to the paper. The cooling is effected by a cylinder K immediately after the drying cylinders. Connected to the cylinder K is a compressor Ko, a condenser C, evaporator V, and control valve R. The evaporator V may be arranged within the interior of the cylinder K.
Patent GB-280234-A (GB)
Title: Improvements in or relating to carriage bodies
IPC: B62D25/00
Filed: 1927-11-05
Abstract: 280,234. Vizcaya, J. A. A. de. Nov. 6, 1926, [Convention date]. Mounting bodies.-Bodies comprising metallic panelling without framing are mounted on underframes by means of two tubes 24 fixed in brackets 22, 23 secured to the chassis longitudinals 21. The body panelling 7 is provided with plates having split bearings 27 adapted to clip the tubes 24 preferably through the interposition of a flexible sleeve 28.
Patent GB-464838-A (GB)
Title: Improvements in the manufacture of artificial filaments, foils and the like by wet spinning processes
IPC: D01F2/28
Filed: 1935-10-28
Abstract: <PICT:0464838/IV/1> Artificial filaments, yarns, foils and the like which have been produced by extrusion of a filament or film-forming base into a coagulating medium are passed, during their passage from the shaping device to a take-up device, in contact with a plurality of devices which impart forward movement to the materials, each of which comprises a set of three rollers arranged at the vertices of a triangle.  The coagulating medium may contain a high concentration of solvent or other softening agent and the materials may be drawn down during their travel.  Artificial filaments may be wet spun at speeds of 150--200 metres per minute or more.  In an example, the spinning solution is extruded through a nozzle 2 into a coagulating vessel 1 and the filaments 4 are forwarded by means of a set of three positively driven rollers 6 above which is arranged a spray 5.  The filaments are passed on to sets of rollers 8, 10 between which they are stretched.  The lower roller of each set is immersed in the liquid in the vessel 11 while the upper rollers are sprayed by means of the sprays 7, 9. The filaments then pass to the draw roller 13 and the spinning box 15.  If desired, the speeds of the rollers may be such that no stretching takes place over some portion of the travel. Specifications 177,868, 179,234, [both in Class 2 (ii)], 340,324, 340,325, 340,326, 340,437, 343,062, 378,858, and 411,094 are referred to.
Patent GB-1039767-A (GB)
Title: Improvements in or relating to cable clamps
IPC: F16G11/06
Filed: 1963-07-26
Abstract: A cable clamping device comprises two jaw parts 1, 2, Fig. 1 (not shown) that are securable together by means of bolts 5, 6, each part having a groove 3 that co-operates with a groove 4 in the other part to define a cable accommodating bore, there being co-operating projections and recesses 11, 12 on the two parts, Figs. 2 and 6 (not shown), to prevent said parts being displaced relatively to each other in the direction of the grooves 3, 4 or transversely thereto. Each jaw is rhombus-shaped, the co-operating projections and recesses 11, 12 being at the obtuse corners of the rhombus, and the bolts 5, 6 at the acute corners.  The bolt heads are housed in conforming recesses in the jaw 2 such that when the nuts on the bolts are tightened a single wrench only is needed.  The cable grooves 3, 4 extend generally parallel with a pair of sides of each jaw and are fluted to follow the strands of the cable.
Patent GB-1156324-A (GB)
Title: Improvements relating to Take-Off Director Systems for Aircraft
Inventor: SLEIGHT GEORGE ROBIN
IPC: G05D1/06
Filed: 1965-07-14
Abstract: 1,156,324. Aircraft control indicators. ELLIOTT BROS. (LONDON) Ltd. 6 July, 1966 [14 July, 1965], No. 29760/65. Addition to 1,086,211. Heading B7W. [Also in Division G4] The director system according to the parent Specification for indicating to an aircraft pilot the required pitch control for optimum take-off and initial climb in accordance with a predetermined programme, wherein signals including a computed demand climb speed signal V<SP>1</SP>TOC are fed to a pitch demand computer (88), an additional circuit is provided which ensures that if the signal V<SP>1</SP>TOC changes during take-off, the output signal V TOC  actually fed to the computer can only increase and not decrease. The circuit forms part of the phase advanced airspeed error computer (86) of the parent system. The system comprises a summation amplifier 116 arranged to receive the computed demand speed signal V<SP>1</SP>TOC and feed an output signal through a diode D1 and an integrator 117 to provide the output signal V TOC . The output signal V TOC  is fed back through an inverter amplifier to the summation amplifier 116. If the demand signal increases so does the output signal, but if the demand signal decreases the fed back signal-V TOC  becomes the greater and the output from summation amplifier 116 becomes negative and is blocked by the diode D1 and the integrator output V TOC  maintains its steady state valve.
Patent GB-759987-A (GB)
Title: Improvements in and relating to the mounting of inductive devices
IPC: H01F27/40
Filed: 1954-10-15
Abstract: 759,987. Transformers and inductors. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 15, 1954 [Oct. 15, 1953], No. 29774/54. Class 38 (2). An inductive device such as a ballast inductor for use in a fluorescent lighting system has a base member 3 provided with extensions 4 so that the base member may be secured to a supporting member 6 of sheet metal, which supporting member may form part of the fluorescent light fixture, the base member 3 being provided with a part 8 which projects outwardly so that when the base member 3 is secured to the supporting member 6 by means of bolts 7 the supporting member 6 is deformed into intimate and continuous contact with the base member 3. The projection 8 may be of elongated form as shown in Figs. 2 and 3, it may be bowed either in the longitudinal direction or in the transverse direction or it may have an elliptical form.
Patent GB-813689-A (GB)
Title: Improvements in or relating to means for carrying out plucking operations
IPC: A22C21/02
Filed: 1955-10-19
Abstract: 813,689. Plucking poultry &c. BUDD, A. G. Oct. 18, 1956 [Oct. 19, 1955], No. 29786/55. Class 28 (2). Feathers are gripped between a pulley 6 and its endless belt 5 and are pulled away. The fowl is partly inserted in a large opening 25 and is moved down to a tapered slot 24 which bunches the feathers and passes them to the plucking nip 22 which grips and pulls them out while the body of the fowl is arrested by an adjustable convex stripper bar 26. Rotating beaters 29 projecting from the inside edge of the pulley 6 assist in pressing the outer ends of the feathers down through the nip. The periphery of the plucking pulley is fluted with inclined grooves. Tension of the belt 5 is adjusted by a nut 15 raising or lowering a hook bolt 12 whereby the bearing plate 9 of the shaft of the idler pulley can pivot up or down about a pin 10. A collecting bag for feathers may be provided in the base. In Fig. 6 the plucking pulley 30 and its belt 34 are swung about a pivot shaft 39 by a crank and connecting rod 50, 51. The arms 31, 33 are held apart by a spring 36 which tensions the belt 34. In this apparatus the fowl is partly inserted to project into an aperture 33 whereby some feathers are gripped and pulled out as the pulley 30 and belt 34 swing past the aperture 53.
Patent GB-951551-A (GB)
Title: Improvements in or relating to motion picture projectors
IPC: G03B1/56
Filed: 1961-08-18
Abstract: 951,551. Motion picture projectors threading mechanisms. EASTMAN KODAK CO. Aug.18, 1961 [Aug. 18, 1960], No. 29838/61. Heading G2E. A motion picture projector having a threading mechanism comprises upper and lower loopformers movable by means of a spring from a closed threading position, in which they are releasably held by means of a latch, to guide a film from a drive sprocket through a film gate, to an open position in which the film forms free loops on both sides of the film gate and a release trigger which, in the threading position of the loop formers, is disposed in the path of movement of the film and is actuated thereby upon tension being applied to the leading end of the film to release the latch. As shown, upper and lower loop-formers 18,19 are rigidly secured respectively to a bracket 32 pivoted at 33 and to a plate 38 pivoted at 39. By means of a lug 37 on the plate 38 engaging in an opening 36 in the bracket 32 the two loop formers are connected for movement together and a spring 34 attached to a part of the bracket 32 urges the two loop-formers towards their open position (Fig. 3 - not shown). The loop-formers are shown in position for threading, in which position they are prevented from opening by the engagement between a lug 43 of the bracket 32 and a hook 45 of a weakly spring-urged release trigger 23 pivoted at-12. The threading mechanism operates as follows. With the projector drive mechanism operating, film 13 is introduced into engagement with a feed sprocket 11 whereby said film is advanced successively through the channel formed by a film guide 15 and the upper loop-former 18, through the film gate, through the channel formed by a film guide 16 and the lower loop-former 19, over a roller 53, into engagement with the lower portion of the drive sprocket 11, over a guide roller 51, over a U-shaped portion 26 of the release trigger 23 and into engagement with one of the teeth 22 on the hub of a take-up spool 8. As soon as said teeth 22 engage the perforations in the film and the film is tensioned, the release trigger is pivoted anticlockwise by the film which tries to follow the straight path 52 between sprocket 11 and spool 8. The lug 43 of the bracket 32 is accordingly released and under loading of the spring 34 the loop-formers are then pivoted to their open positions (Fig. 3 - not shown) for normal operation of the projector. The trigger 23 is arranged to be moved into its latching position (against the tension of its spring 27) whenever the loop-formers are manually moved to their closed threading position, by means of the coupling between the trigger 23 and a lug 42 on the bracket 32 engaging in an opening 29 of the trigger.
Patent GB-363742-A (GB)
Title: Autographic registers
IPC: B41L5/06
Filed: 1930-10-06
Abstract: 363,742. Feeding and registering webs. PFEIFFER, F. E., 2124, Malvern Avenue, Dayton, Ohio, U.S.A. Oct. 6, 1930, No. 29920. [Class 100 (i).] In an autographic recorder the superposed folded webs after inscription are first fed, then aligned by means of their creases, and then again fed a short distance and held ready for their next use. The voucher strips 32, 33, Fig. 3, and the retained record strip 34, folded at creases or lines of perforations 38, pass between a fixed rod 36 and the curled end of a plate 29 pivoted coaxially with, and forming a continuation of the writing-table 15. Slidably mounted on the underside of the table is a spring-controlled plate 19 carrying a strip 25 normally constituting an extension of the table. Upon rotation of the main shaft 49 and after the feed rollers have been driven to advance the strips a cam 52, Fig. 2, rocks an arm 53 and thereby a cam shaft 55 so as to raise the upper roller to stop the feed and free the strips. At the same time another cam 74, Fig. 3, rocks an arm 23 to slide the plate 19 to the right to align the strips at their fold against the edge of the plate 29. Upon return of the plate 19 the upper roller is permitted again to grip the strips and to feed them a short distance.