baber/WOPTO huggingface dataset:
Patent GB-653781-A (GB)
Title: Improvements relating to yachts, sailing dinghies and like craft
IPC: B63B43/08
Filed: 1948-09-29
Abstract: 653,781. Trimming boats. DENGHY, J. A. L. Sept. 29, 1948, No. 25384. [Class 113 (i)] In a sailing vessel, a counterpoise is capable of removable attachment to the gunwhale of the vessel and is adjustably movable thereon transversely of the vessel to the extent required to counteract the tendency of the vessel to heel to leeward when close hauled or with the wind on the beam. Counterbalance masses 17 are positioned by cleats 18 on a counterpoise arm 16 pivoted in lugs 15 in the vessel or carried by a plate 10. The plate 10 may have an upper portion 101 by which it is hooked over the gunwhale, or it may be mounted on the gunwhale by engaging pegs thereon. When not in use the counterpoise arm 16 may be swung inboard against the side of the vessel.
Patent GB-987434-A (GB)
Title: Improvements in or relating to resonance isolators
IPC: H01P1/365
Filed: 1961-07-13
Abstract: 987,434. Non - reciprocal attenuators. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. July 13, 1961 [July 16, 1960], No. 25412/61. Heading H1W. A coaxial line isolator comprises a ferrite or yttrium iron garnet element F arranged beside an elongated dielectric element D and an electromagnet NS for providing a polarizing field in a transverse direction at an angle a of between 20 and 80 degrees to the radius intersecting the centre of the element F. It is stated that, with the magnetic field adjusted to produce gyromagnetic resonance at the signal frequency, maximum isolation is obtained within the range of angle stated. The angle 4 of the sector filledwith dielectric material is chosen to produce a circularlypolarized component of r.f. magnetic field in the region of the magnetic element F.
Patent GB-630969-A (GB)
Title: Improvements in safety devices for cutting and stamping presses
IPC: F16P3/04
Filed: 1946-08-26
Abstract: 630,969. Machinery guards. SOC. INDUSTRIELLE DE FERBLANTERIE. Aug. 26, 1946, No. 25435. Convention date, April 12. [Class 80 (iv)] In cutting and stamping presses embodying a clutch of the semi cylindrical key type which is controlled by a pedal actuated rod 5 and a pivoted finger 1 engaging the key 4, the finger 1 also engages the upper end of a rod 7 which is connected by links 9, 11, 13 to the machine guard 12. Depression of the clutch pedal thus moves the guard 12 into the operative position against the action of a spring 16 before the key 4 is released to engage the clutch, and the guard is retained in this position by the engagement of a projection 25 on the rod 7 with a notch 24 on a pivoted member 20. Subsequently a projection 26 on the press shaft trips the member 20 and permits return of the guard to the open position. The links 9, 13, have fixed pivots 10, 14, and the length of the link 9 is adjustable. It is stated that any damage or defect of the press or safety device results in the guard moving automatically into the safety position.
Patent GB-1000941-A (GB)
Title: Improvements in or relating to the production of gaseous currents
IPC: B01F5/06
Filed: 1960-07-21
Abstract: 1,000,941. Endless conveyers. D. W. BRYEN, R. W. F. GOULD, C. SALTER, and C. SCRUTON. Oct. 23, 1961 [July 21, 1960], No. 25443/60. Heading B8A. [Also in Divisions B1 and F4] Articles 4, 4 on a conveyer belt 3 are heated or cooled by being passed through a wind tunnel 1. The heating or cooling air is caused to exchange heat more efficiently by being made to form vortices 6, 7. These result from the presence of a delta shaped plate 5 positioned at a suitable angle of incidence to the airflow. The plate 5 may alternatively be of " Gothic " wing shape (Figs. 8 and 9, not shown). The plate 5 may be divided in half through its apex and each half disposed on each side wall of the tunnel. Instead of the leading edges of the plate being swept back as shown, they may be swept forward. The trailing edge may be serrated. The plate may be curved instead of planar (Fig. 7, not shown). The leading edges of the plate 5 may be of knife edge formation.
Patent GB-719755-A (GB)
Title: Improvements relating to pig houses, poultry houses and the like
Inventor: HEARN WILFRED HENRY
IPC: A01K1/00
Filed: 1952-10-10
Abstract: 719,755. Roofs; ventilation. SEAFORD SECTIONAL BUILDINGS, Ltd. July 7, 1953 [Oct. 10, 1952], No. 25467/52. Class 20 (4) and 137. [Also in Group XXV] A pig house, poultry house or similar hut-like structure has a raisable roof portion 2 hinged at 2' to the crest 1 and adapted to be supported in the raised position by means of a jointed strut whose upper part 3 is pivoted at 4 to the portion 2 near the eaves 5 and whose lower part 6 is pivoted at 7 to the side wall 8 of the house, the upper part 3 being pivoted at 11 at an intermediate point of the lower part 6, the strut portions being substantially aligned when the roof is raised. As shown the strut portions move slightly beyond a dead centre position when the roof is raised, the portion 6 then abutting the top longitudinal frame member 12 which acts as a stop. A pair of struts may be provided connected together by a cross bar 13 which constitutes an operating handle. Latching means 14 may be provided
Patent GB-242768-A (GB)
Title: Improvement in electric condensers
IPC: H01G4/00
Filed: 1924-10-27
Abstract: 242,768. Dubilier Condenser Co. (1921), Ltd., (Dubilier, W.). Oct. 27, 1924. Condensers.-A condenser comprises a wire or other metallic core 1 surrounded by insulation 2, en which is wound a metallic wire or strip 3 of rectangular cross-section. The insulation forming the dielectric is impregnated with wax or like compound after subjecting it to a vacuum. Reference has been directed by the Comptroller to Specifications 9770/01 and 207,649.
Patent GB-1220258-A (GB)
Title: Polyurethane foam plastics sections
Inventor: SCHMIDT WOLFGANG
IPC: B29C44/52
Filed: 1968-05-29
Abstract: 1,220,258. Double-belt casting. FARBENFABRIKEN BAYER A.G. 29 May, 1968 [1 June, 1967], No. 25625/68. Heading B5A. In a double belt cellular sheet casting apparatus the inlet end of the cavity defined by the belts and lateral boundaries (not shown) is closed by a sealing member 3 having at least one supply nozzle 5 fed from the mixer 4. The pressure in the foaming space is regulated by controlling the valve 10 to vary the supply or by varying the speed of the belts. The upper belt may be subdivided into two, the first of which is inclined.
Patent GB-411721-A (GB)
Title: Improvements in or relating to bottle or like receptacles for the preparation of a solution intended to be used as tooth-water
IPC: B65D23/02
Filed: 1933-09-15
Abstract: A bottle &c. for use in preparing mouthwash has a thin interior coating of a solid substance slightly soluble in water from which the wash is prepared when the bottle &c. is filled with water. The stopper of the bottle may be saturated with the same substance, which may be salol or menthol or any substance with an agreeable odour or refreshing savour.  The lining of the bottle &c. is introduced in the molten state to a previously warmed vessel.
Patent GB-532624-A (GB)
Title: Improvements in and relating to gas producers
IPC: F23L15/02
Filed: 1939-09-14
Abstract: 532,624. Gas-producers. KENNEDY, D. S. Sept. 14, 1939, No. 25813. [Class 55 (i)] In two grateless gas producers worked as a pair, the air inlets c, d and gas outlets f, g of the primary and secondary producers a, b respectively being arranged on opposite sides of the producer shell, the gas from the outlet f is passed by a pipe h into the secondary producer at a point adjacent to the incandescent zone. The primary producer is worked under pressure, and the secondary producer under suction, and both are arranged above a water trough e into which the ashes pass. In Fig. 5, the producers are arranged one above the other so that the fuel deprived of its volatiles in producer a passes into the upper end of producer b from the lower end of which the ashes fall into a water trough. The volatile constituents from the primary producer are decomposed in the secondary producer to yield a gas substantially free from tar.
Patent GB-752050-A (GB)
Title: Improvements in or relating to electric wall heaters
IPC: F24C7/04
Filed: 1954-09-06
Abstract: 752,050. Springs. SOC. ANON. DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE ST. GOBAIN, CHAUNY & CIREY. Sept. 6, 1954 [Sept. 16, 1953], No. 25843/54. Class 108 (3). [Also in Groups XI and XXXVI] A resilient mounting for a glass panel in the frame of an electric heater (Group XI) comprises a spring 25 formed from a metal band and crimped at 28, the panel being pressed against the portions 28 by means of a lug 22 secured by countersunk screws. The spring is located by a two-part ceramic bushing which is supported on a member 18 bolted to the frame 2.
Patent GB-913529-A (GB)
Title: Improvements in methods of and apparatus for forming coatings by spraying
Inventor: MOODY BRYAN
IPC: B29B7/76
Filed: 1959-07-28
Abstract: 913,529. Spray-producers. ROBERTS Ltd., J. W. July 27, 1960 [July 28, 1959; Sept. 15, 1959; March 16, 1960], Nos. 25893/59, 31455/59 and 9292/60. Class 69 (3). Two liquids, e.g. an isocyanate and a resin, which react to form a solid foamed product, are fed separately into a mixing chamber 5 of a spray gun, and are mixed by an air current which carries them from a discharge outlet. The air supply is maintained after both the liquid supplies have been cut-off to scour and empty the chamber. Air is fed to a passage 14 and a part of it flows through a passage 15 to an atomizing head 4; some flows through passage 16 to a blind bore 8 of a plug 7 and issues from tangential passages 9 in the plug. Air also passes from the passage 14 through further passages and one-way valves to chambers 22 and 25 to which the two liquids are supplied via passages 32 and 23, Fig. 4. Thus, liquid suspended in air flows from chamber 22 to an annular space 26 and issues from small passages 27 into'the mixing chamber and similarly liquid in suspension passes from chamber 25 to a space 28 and issues from outlet passages 29. In a modification, one of the liquids enters the mixing chamber through an annular space similar to the space 26, but the other liquid is carried by compressed air into the plug bore and issues in tangential streams opposed to those of the first liquid.
Patent GB-829778-A (GB)
Title: Improvements in and relating to magnetic recording apparatus
Inventor: YOUNG FREDERICK CHARLES
IPC: G11B15/12
Filed: 1956-08-24
Abstract: 829,778. Magnetic recording and reproducing apparatus. SPECTO Ltd. Nov. 25, 1957 [Aug. 24, 1956], No. 25953/56. Class 40 (2). In a magnetic tape record apparatus with control means for selecting one track from two or more tracks for transducing, and moving the tape rapidly, means are provided to indicate the last track transduced, irrespective of whether rapid movement has taken place. The embodiment is described with reference to a two track apparatus having two blocks of switch controls (i.e. for recording, reproducing and fast winding), one block appertaining to one particular track, the operation of the recording and the reproducing switches, but not the fast winding switch, causing an indicator light, associated with the appertaining switch block to light up and remain lit after the stop switch has been operated and until the recording or reproducing switch of the block appertaining to the other track is operated. Fig. 1 shows an underview of the switch control mechanism. Two blocks are shown carrying slide bar type switches 2, 3, 4 and 5, 6, 7 of the respective blocks. A bar 8 associated with both blocks, carries a fixed flap 11 overlapping the ends of switches 6 and 7, but not 5, which only controls fast winding. The other end of the rod 8 carries a freely mounted flap 12 overlapping the ends of switches 3 and 4, but not 2, which only controls fast winding in the opposite direction to switch 5. The switches overlapped by the plates 11 and 12 control recording or reproducing. When either of the switches 6 or 7 are operated, the rod 8 is turned against the tension of a spring 26, and the D-sectioned end of the rod, Fig. 2, causes a detent 19 to be moved to the left, as viewed in that Figure, to permit a projection 14 on flap 12 to be pressed down over a projection 24 in detent 19 by the spring of a microswitch 17 whereby the said microswitch is operated to light a lamp associated with the switch controls 6 and 7. When switches 6 and 7 are released the plate 12 is still held down by the detent 19 until one of the switches 3 or 4 is operated to unlatch plate 12 to its original position, in which position the microswitch lights a lamp associated with switches 3 or 4. The subsequent release of switches 3 or 4, however, leaves the plate 12 latched in this position until one of the switches 6 or 7 is again operated.
Patent GB-466325-A (GB)
Title: Improved means for guiding endless belts, particularly the blankets in blanket calenders
IPC: D06C15/00
Filed: 1936-09-25
Abstract: 466,325. Guiding and disconnecting arrangements for belt gearing. BATES, E. B. Sept. 25, 1936, No. 26029. [Class 80 (i)] [Also in Groups VIII and XXX] A device for keeping a power - transmitting belt 10 centred on a pulley or cylinder 11 whilst preventing the belt from cockling comprises a stationary guide 13 which closely encloses the belt at its faces and edges. The guide may, as shown, be made in two parts to allow for the introduction and removal of the belt and may be adjustable laterally. The Specification refers more specifically to the application of the invention to a beltshifter for shifting comparatively wide power belts from one pulley to another.
Patent GB-518973-A (GB)
Title: Improvements in or relating to presses for the manufacture of hot-vulcanised rubber articles
IPC: B29C35/00
Filed: 1938-09-06
Abstract: 518,973. Moulding rubber footwear &c. BATA AKCIOVA SPOLECNOST. Sept. 6, 1938, No. 26065. Convention date, Sept. 11, 1937. [Class 87 (ii)] A press for moulding and vulcanizing rubber articles such as footwear comprises a verticallymovable table 9 carrying laterally-movable mould parts 21 and a vertically-movable upper mould part 20 the upward movement of which is controlled by toggle-levers 24 pivoted on pins 25 and connected by tensioned springs 28 such that when the pressure in the mould exceeds an amount determined by the spring tension, the upper mould part 20 yields to relieve the pressure and thereby permits lengthening of the vulcanization period. The table 9 is moved by connecting-rods 4 operated from eccentric and worm. or spur gearing 2, 3 and a drive-pulley 1. The rods 4 are disposed one on each side of the worm-wheel 3. The mould sides 21 are moved inwardly, as the table 9 rises, by the action of levers 17 pivoted to the press' frame or by engaging with fixed, inclined surfaces. The upper mould part 20 is supported from the joint of the levers 24 and, when pressed upwardly, bears against the levers through rollers 27. The' lever joint may be a loose pin or may have interengaging toothed segments. The springs 28 are attached to journals 29 which are adjustably mounted eccentrically or by screws to vary the spring tension. A core or last 15 is mounted to slide in a groove 16 in the table 9. A groove in a work-table aligns with the groove 16 for sliding the core into and out of the press. The mould parts are heated electrically. The core 15 is heated when it is positioned only at the ends of the grooves at which electric contacts are provided. The contact at the end in the press operates the press motor.
Patent GB-852176-A (GB)
Title: Improved process for the manufacture of hydroxamic acids
Inventor: SMITH HARRY
Filed: 1957-08-19
Abstract: Acryl-, methacryl- and croton-hydroxamic acids are prepared by interacting esters of acrylic, methacrylic and crotonic acid respectively with hydroxylamine in the presence of aqueous alkali. C1-4 alkyl esters are preferred.  Preferred temperatures are from -10 to +20 DEG C.  The products may be isolated by neutralising or acidifying the reaction mixture, evaporating to dryness and extracting with a suitable solvent or by forming the insoluble copper-complex and then isolating and decomposing this, e.g. with H2S.  Specification 852,100 is referred to.
Patent GB-1501148-A (GB)
Title: Jacking device for a scaffolding structure
IPC: B66F3/08
Filed: 1976-04-21
Abstract: 1501148 Jacking devices ACCESS PLANT (HIRE & SALES) Ltd 21 April 1976 [19 June 1975] 26090/75 Heading B8J [Also in Division F2] A jacking device 2, for raising and lowering a tubular scaffolding leg 4 forming part of a scaffolding structure, (not shown), shown in exploded cross-section in Fig. 1, comprises an externally threaded tube 6, an inner body 8 which fits over the tube 6 and which has three apertures 10, 12, 14 through which threaded segments 24, 26, 28 can be forced into threaded engagement with the tube 6 by rotation of an outer body 16. The segments 24, 26, 28 are mounted on spring steel strips 30, 32, 34, attached to the inner body 8 between the apertures 10, 12, 14, which normally bias the segments 24, 26, 28 out of engagement with the tube 6. The outer body 16 has lugs 18, 20, 22 which slide along the steel spring strips 30, 32, 34 when the outer body is rotated. As shown in use the bottom end of the leg 4 rests on a flange 9 on the body 8. When the segments 24, 26, 28 have been brought into engagement with the inner tube 6 after coarse adjustment of the position of the tube 6 by sliding the tube 6 up and down within the inner body 8 any desired fine adjustment can be made by rotation of the tube 6 utilizing a knurled adjusting ring 56 the threaded segments 24, 26, 28 acting as a nut. The ring 56 may have a ground-engaging plate. A wheel or castor may be fixed inside the tube 6 to allow a scaffolding structure supported by four of the jacking devices 2 to be wheeled to a desired position.
Patent GB-1500979-A (GB)
Title: Jet propulsion nozzles
IPC: F02K1/00
Filed: 1976-06-16
Abstract: 1500979 Jet propulsion nozzles ROLLSROYCE Ltd 16 June 1976 [20 June 1975] 26282/75 Heading F1J To reduce noise, the convergent portion of a convergent or convergent/divergent jet propulsion nozzle has a curved contour convex towards the axis of the nozzle such that the flowing fluid has substantially constant acceleration and uniform pressure gradient throughout the length of the convergent portion. The contour of the latter is defined by the equation:- A/A E =(1/M X )[(γ+1)/[2+(γ-1)M<SP>2</SP> X ]]<SP>-(γ+1)/2(γ-1)</SP> where A is the variable internal cross-section of the convergent portion, AE is the value of A at the exit E of the convergent portion, M X  is the Mach No at co-ordinate X, and γ is the ratio of the specific heats of the fluid. The nozzle may be of fixed or variable area type for a gas turbine jet propulsion engine. Figures 3a to 3f (not shown) illustrate various nozzle contours.
Patent GB-890196-A (GB)
Title: Process for the manufacture of carbon tetrachloride
IPC: B01J27/22
Filed: 1960-07-28
Abstract: Catalysts for the production of carbon tetrachloride (see Group IV(b)) consist of active carbon, at least one transition metal of Groups V to VIII of the Periodic Table, and at least one carbide of boron, silicon or a transition metal of Groups IV and V of the Periodic Table.  Specified carbides are those of B, Si, Ti, Zr, Nb, Ta and V; specified transition metals are V, Mo, W, Pt, Fe and Re. The catalyst may be prepared by impregnating active carbon with the Group V-VIII transition metal or a reducible compound thereof, and mixing with the carbide.  Metal compounds present are reduced with hydrogen.  The catalyst may be treated with chlorine before use. Specification 874,552 is referred to.ALSO:Carbon tetrachloride is prepared by reacting phosgene with a catalyst consisting of active carbon, at least one transition metal of Group V to VIII of the Periodic Table, and at least one carbide of boron, silicon or a transition metal of Group IV and V of the Periodic Table.  The phosgene may be used in admixture with nitrogen. carbon monoxide and chlorine, or may be replaced by a mixture of carbon monoxide and chlorine.  Carbon disulphide and/or sulphur chloride may be added at a temperature of about 375 DEG C.-400 DEG C. before or at the start of the reaction.  The catalyst may be treated with chlorine before the reaction.  The preferred reaction temperature is about 250 DEG C.-600 DEG C. Specification 874,552 is referred to.
Patent GB-186622-A (GB)
Title: Improvements in or relating to intercommunication bellows for railway vehicles
IPC: B61D17/22
Filed: 1922-09-29
Abstract: 186,622. Lemerle, J. L. Sept. 30, 1921,. [Convention date]. Vestibules, collapsable, connecting cars.-A bellows for the intercommunication platforms of railway vehicles has an arched upper portion rounded off and merging gradually into the upright portions and is constructed from one or more pieces of fabric, canvas, or like material forming an endless band which is pressed to the necessary shape to constitute a complete collapsable vestibule a not sub-divided into elements sewn together along the folds. To prevent injurious matter lodging in the folds, the bellows a is protected by a hood b which is adapted to be completely extended when the bellows is in its working position, or to be folded when the bellows is folded. The hood b is either thrown over the bellows and attached to it at the ends only, or also by rivets c at the points where the usual strengthening-bands d are inserted. The hood and, if desired, the bellows are coated with a protective adhesive.
Patent GB-684915-A (GB)
Title: Improvements in or relating to electric pin-plug connectors
IPC: H01R13/652
Filed: 1949-10-14
Abstract: 684,915. Two-part couplings. WALSALL CONDUITS, Ltd., and COURT, R. A. B. Oct. 16, 1950 [Oct. 14, 1949], No. 26375/49. Class 38 (i). A plug-coupling body comprises a base 11 provided with a cable entry 24 trifurcating into passages 26, 27 which terminate in hexagonal or other non-circular cavities 21 to receive similarly-shaped terminal blocks 17, 18 integral with the pins 15, 16. The axes of the pins and blocks may be offset from one another. The cover 12 has correspondingly-shaped cavities 22 so that when the body is complete the terminal blocks and their cable connections are embedded therein. Projecting locating ribs 33 on the base 11 fit into recesses 32 in the cover 12 to prevent loose cable strands causing a short-circuit. The body may be moulded in synthetic resin or from hard rubber.
Patent GB-826918-A (GB)
Title: Method of producing essentially cis rubbery polyisoprene
IPC: C08F136/08
Filed: 1956-08-29
Abstract: Isoprene is polymerized to an essentially cis1,4-polyisoprene in the presence of metallic lithium and a saturated hydrocarbon solvent liquid under reaction conditions and in the substantial absence of oxygen and oxygen-containing compounds.  The hydrocarbon diluent may be petroleum ether, or aliphatic and cycloaliphatic hydrocarbon solvents such as propane, n-butane, n-pentane, n-heptane and other normal and branched chain liquid hydrocarbons up to dodecane, cyclopentane and cyclohexane.  Low molecular weight solvents are preferred in an amount of at least 50% by weight of the total reactant charge.  The process is otherwise similar to that of Specification 814,676, examples being given to illustrate the advantages in polymer properties gained by the use of the diluent.
Patent GB-1477068-A (GB)
Title: Preparation of citraconic anhydride
IPC: C07C51/245
Filed: 1975-06-20
Abstract: 1477068 Citraconic anhydride PFIZER Inc 20 June 1975 [24 June 1974] 26432/75 Heading C2C [Also in Division B1] Citraconic anhydride is made by contacting a gaseous mixture comprising 0À2-5% by vol. mesityl oxide and isomesityl oxide (i.e. 4- methyl - 4 - penten - 2 - one) and oxygen or an oxygen-containing gas, at 300-560 C. with a catalyst comprising vanadium oxide, a combination of bismuth oxide and molybdenum oxide or a combination of antimony oxide and tungsten oxide or uranium oxide.