baber/WOPTO huggingface dataset:
Patent GB-177970-A (GB)
Title: An improved fire extinguisher
IPC: A62C11/00
Filed: 1921-03-08
Abstract: 177,970. MacGregor, P. G. March 8, 1921. Air vessels; buckets; double-acting bucket pumps; pipes, delivery pipes, suction pipes; suction and delivery reservoirs; valves and valve seats, arrangement of.-The piston of a doubleacting pump, more particularly of the fireextinguishing type comprising a cylinder 5 in which reciprocates a piston furnished with a valve mechanism controlling discharge through the hollow piston-rod 11 in communication with an air vessel in the chambered handle 75, suction to the barrel being through a valve head 16 drawing liquid from the lowest part of the receptacle 2, 3, comprises a barrel 50 provided with a sleeve 57 forming a seat for a spool-shaped valve 50 slidably mounted on the discharge tube 10 and controlling flow from the forward end of the cylinder, and a ring valve 61, 62, sliding over ports 63, 64 in the barrel 50 controlling discharge from the rear end of the cylinder to the chambered piston. The pump barrel and valve head 16 are rotatably mounted in the container 2, 3, suction being through opening 30 and pipe 32 and corresponding valves 20, 21 between which is a spacer bar 27, and passages 43 and 46 controlled by valves 37, 38 leading to either end of the cylinder. The pump handle is held in the closed position by a pair of out-turned flanges 71 engaging under complementary flanges 72 on a disc 73 fixed to a sleeve 12 attached to the end 3 of the receptacle, in which position the discharge tube 10 is closed by a spring-pressed stopper 66, the forward travel of which is prevented when the pump is in operation by prongs 70.
Patent GB-439859-A (GB)
Title: Improvements in wireless receiving sets
IPC: H03G3/26
Filed: 1934-03-08
Abstract: 439,859. Valve circuits for wireless reception. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. March 8, 1934, No. 7423. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 26, 1934]. [Class 40 (v)] In order to reduce disturbances in a receiving set an automatic regulating device is provided having little inertia and the action of which is delayed until the amplitude of the disturbing voltage is larger than the maximum admissible signal amplitude. As shown, the predetector stages 6, 7 feed three diode rectifiers 10, 17, 18, the first 10 producing audiofrequency signals in its load resistance 11 which are fed to the output stages 13, 14. The second diode 17 provides automatic volume control potentials which are fed, through a resistance-capacity filter 23, 21 of the usual time constant, to the valve 6 to render constant the signal amplitude, the usual delay voltage being applied to the diode through resistance 25. The third diode 18 also controls the valve 6 through an inductancecapacity filter 24, 22 with a time constant of one five-thousandth to one two-thousandth of a second, the delay voltage applied through resistance 26 being of such a magnitude that control is exerted only when signals of at least double the maximum admissible signal amplitude are received. The control may act to vary the damping of the high frequency circuits.
Patent GB-594153-A (GB)
Title: Double-acting two-stroke internal combustion engines
IPC: F02B75/00
Filed: 1945-03-23
Abstract: 594,153. Two-stroke engines. BIRD, J. T. March 23, 1945, No. 7424. [Classes 7 (ii) and 7 (iii)] In a double-acting two-stroke engine in which each cylinder has three pistons reciprocating therein, a double-crown piston is connected to the crankshaft by a gudgeon pin G' having flats where it passes through slots in L-sectioned tie rods J, connecting together single-crown pistons E<1>, E<2>. The piston D controls the main inlet ports and has crowns, Fig. 2, provided with passages H, which communicate with additional ports. The piston crowns may be screwed on to the pistons, and the piston E<2> may have a slipper extension F provided with lubricant ports. Annular flanges on the piston crowns restrict the combustion chambers to spherical or lentilshaped spaces C, a passage C' being left to accommodate the igniter or liquid fuel injection device. The crank-ease has an opening at the right-hand side, Fig. 8, for the passage of the crankshaft which has a flange Q for driving engine auxiliaries. Lubricant is fed through channels L. Specifications 550,222 and 556,297 are referred to.
Patent GB-491733-A (GB)
Title: Improvements relating to slide members, such as the slide members of vehicle or other seats
IPC: B60N2/07
Filed: 1937-03-13
Abstract: 491,733. Vehicle opening-tops. CHAPMAN, A. W. March 13, 1937, No. 7435. [Class 108 (i)] [Also in Groups XIV and X] To prevent rattle in the sliding members of sliding roofs, &c. a metallic strip 3, Fig. 1, is attached to one of the slide members, disposed transversely of the slides, and formed with a marginal part or parts 12, which by virtue of the resiliency of the strip or under the action of spring means, exerts pressure in lateral, vertical, or partly lateral and partly vertical direction against a marginal part or parts of the other slide member, forcing the co-operating parts of the slides into contact. The invention is particularly applicable to slide members of the kind described in Specifications 379,902 and 405,954, [both in Group XIV]. The ends 12, Fig. 1, of the strip 3 pass through slots 7 in the edges of the slide 1, and bear against the under sides of the flanges 13 so as to force the bends 10 of the upper slide downwardly into contact with the lower slide. In the form shown in Fig. 2, the edge 17 of the strip 18 bears against the inside of the angular flange 15 of the upper slide and forces the slide downwardly. Fig. 4 shows a form in which the end 29 of the strip 27 presses on the lower slide flange 34, and forces the parts 33, 33a on the slides laterally into contact. The strips may be spring-pressed as shown in Fig. 5.
Patent GB-1338988-A (GB)
Title: Apparatus and method for loading and unloading workpieces
IPC: B24B41/00
Filed: 1972-02-17
Abstract: 1338988 Grinding; workpiece transferring CARMET CO 17 Feb 1972 [18 Feb 1971] 7484/72 Headings B3D and B3B Apparatus for loading and unloading workpieces 20 on to and from e.g. a grinding machine or lathe comprises a reciprocable chuck member 10 having a work-locating groove 14, means 22 for feeding a workpiece 20 into the groove 14, suction means for holding the workpiece 20 in the groove 14, and means 86 for advancing the chuck member 10 to a position at which the workpiece 20 may be clamped by clamping means 42, 44, whereupon the suction means 16 is deactivated, and the chuck member 10 retracted. On actuating pneumatic means 26, the leading workpieces 20 of a series on a magazine block 18 is advanced into engagement with a stop 30, suction then being applied through openings 16, while a finger 32 is pivoted into engagement with the workpiece 20 by pressure acting on a piston 108 against the force of a return spring 110. The member 10 is then advanced by fluid pressure means 86 acting through a bracket 92 and adjustable screw connection 98, 100, a pin 102 engaging a fixed notch 130 to define the fully advanced position. One clamping spindle 42 is then advanced relative to the other 44, whereupon the finger 32 is retracted and the suction cut off, the workpiece 20 then being ground by a grinding wheel 62. The member 10 is then readvanced to collect the workpiece 20, release of the finger 32 and de-activation of the suction means causing the workpiece 20 to fall out for collection after withdrawal.
Patent GB-112096-A (GB)
Title: Improvements in Internal Combustion Engines.
Inventor: GARDNER EDWARD
IPC: F02B1/00
Filed: 1917-05-26
Abstract: 112,096. Gardner, E. May 26, 1917. Cylinders receiving liquid fuel.-Two jets of liquid fuel issue without spraying air from nozzles c, d on opposite sides of a spherical combustion chamber and impinge upon each other. In a four-stroke-cycle engine, the air admission valve e and the exhaust valve f are also situated in the combustion chamber.
Patent GB-606105-A (GB)
Title: Improvements in and relating to apparatus for and methods of coupling ultra high frequency systems
IPC: H01P5/04
Filed: 1944-04-24
Abstract: 606,105. High frequency discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd. April 24, 1944, No. 7626. Convention date, April 27, 1943. [Class 39 (i)] High frequency systems are coupled by a path of controllable conductivity formed by an electric discharge in an enclosed cylindrical space extending into the systems which are to be coupled, and between electrodes bounding the opposite ends of said space. In the example shown a wave guide 1 is coupled to a coaxial line 2. The envelope 6 of the discharge device corresponds in cross-section to the dielectric 4 of the coaxial line and its electrode 7 is of the same cross section as the internal conductor 3. The end of the other electrode 11 lies flush with the surface of the wave guide. A minimum of discontinuity is thus produced by the device and reflections in the lines or guides are substantially eliminated. The apparatus can also couple two wave guides which are side by side for a portion of their length or two coaxial lines which lie along the same axis.
Patent GB-869811-A (GB)
Title: Improvements in or relating to apparatus for feeding lamp filament leads and like articles
Inventor: ROGERS LEONARD WILLIAM
IPC: B65G47/14
Filed: 1959-03-05
Abstract: 869,811. Dispensing lamp filament leads. GENERAL -ELECTRIC CO. Ltd. March. 16, 1960 [March 5, 1959], No. 7686/59. Addition to 835,921. Class 78 (1). The hopper in the parent Specification is modified in that the filament leads are ejected from the drum into groove 36 of transfer device 30 by fingers 19, which fingers are disposed to lie in annular channels 8 formed in. the drum. The hopper 1 has prongs 4 for the support of the leaks, the prongs lying in the channels 8 to permit the discharge of the leads and having a height adjustable at 3. The hopper is removable from its framework 26 so that it may be filled by the operator, is made transparent for ease of observation, and includes a weight (not shown) which slides in slots 22, 23 for weighting the leads.
Patent GB-276899-A (GB)
Title: Improvements in, or relating to, rock drills and like fluid pressure operated tools
IPC: B25D9/20
Filed: 1927-03-21
Abstract: 276,899. Rayner, G. H. T., and Rayner, P. March 21, 1927. Percussive hand tools. - The supply to the cylinder ends of a percussive tool is controlled by a fluid-actuated, hollow, roller-shaped, distributing-valve, and the main exhaust through ports c., d to the outlet g is controlled by the piston b. Cylinder compression is relieved by auxiliary ports e, f which are closed after the main ports and are alternately connected to the main outlet g by a piston valve j which is reversed by fluid pressure entering the cylinder to reverse the main piston after the main valve s has been reversed.
Patent GB-1492381-A (GB)
Title: Brake pressure control valves
IPC: B60T17/22
Filed: 1974-02-20
Abstract: 1492381 Dual system brake control valves GIRLING Ltd 11 Feb 1975 [20 Feb 1974] 7802/74 Heading F2F A pressure-limiting valve assembly for braking systems comprises a control valve including a bore 4, valve seat 9 and closure member 10 between the valve inlet 7 and outlet 8, a pressure differential responsive actuator formed by a double piston 3, an internal control valve spring 15 acting in a sense to resist valve closure and means responsive to actuation of the actuator to vary the force of the internal spring acting on the said valve. The internal spring 15 is supplemented by an external spring 14, the tension of which may vary with vehicle load. A ball 16 can move into a recess 17 when the piston 3 is moved by failure of pressure in one of the circuits (connected to inlet 5) of a dual system so that the effect of spring 15 is lessened and the valve cut-off pressure reduced. A modification has two bores side by side and a piston co-operating with the two assemblies.
Patent GB-685711-A (GB)
Title: Improvements in or relating to barrels for barrel polishing
Inventor: HANS WEISS LESLIE WILLIAM JESS
IPC: B24B31/02
Filed: 1950-03-29
Abstract: 685,711. Tumbling barrels. VERE HOLDINGS, Ltd. March 29, 1950, No. 7911/50. Addition to 663,581. Class 60. The interior of a barrel for barrel-polishing has a closed, smooth, wholly curved non-circular cross-section in the planes containing the axis of the barrel, and the barrel is rotated about an axis which is inclined at a small angle to the axis of the barrel. The barrel is made in halves 45, each half being a semi-ellipsoidal casting of cast iron or light alloy lined with rubber 46; the halves have strengthening webs 49 and flanges 47 which are bolted together to form the barrel. Spindle bosses 48 are cast integral with the halves, the line joining the bosses making an angle of 16“ degrees with the major axis of the ellipsoid. The spindles 43 are carried by self-aligning ballbearing plummer blocks 42; one spindle is driven through sprocket and chain 55 by a variable speed motor 56. The barrel has a charging aperture closed by a hinged lid 50. Below the barrel is an unloading shoot 60 which is rubberlined.
Patent GB-330019-A (GB)
Title: Improvements in ice cream freezers
IPC: A23G9/20
Filed: 1929-03-11
Abstract: 330,019. Heide, H. C., (Henry, J. T.). March 11, 1929. Continuous-discharge apparatus with moving containers.-An icecream freezing apparatus comprises a rotating cam 3 and an oppositely rotating shaft 47 carrying a dasher with L-shaped radial blades 44 at the feed end, spaced T-shaped agitating blades 56 set so as to overlap longitudinally, and a delivery propeller comprising screw blades 58 on a disc 57. The mixture from a storage tank 1, together with air admitted continuously through a valve 82, are delivered by a pump 78 through a fixed tube 74 extending through a hollow shaft 41 connected by a clutch 45 to the agitator shaft. The can, agitator and pump are driven by sprocket and toothed gear from a motor 60. The frozen cream is extruded through a delivery tube 35 entering a, fixed cap 39 having a slot 40, the rate of delivery being determined by the angular setting of a flat plate 51 in the tube 35. The blades 56 may be hinged to their arms and set in adjusted angular positions.
Patent GB-1144041-A (GB)
Title: Treatment of fillers, pigments and the like
Inventor: PIERPOINT EDWARD KEITH
IPC: C09C3/12
Filed: 1966-02-23
Abstract: 1,144,041. Treatment of fillers and pigments. IMPERIAL CHEMICAL INDUSTRIES Ltd. 16 Feb., 1967 [23 Feb., 1966], No. 7973/66. Heading C1A. [Also in Division C4] Finely divided fillers and pigments are rendered hydrophobic by intimate admixture with tetramethylcyclotetrasiloxane. The siloxane is preferably used in an amount of 0À05-25, particularly 0À5-20, parts by weight per 100 parts of the material being treated. The treatment may be accelerated by adding 0À001-5 parts of an acid having a dissociation constant of not less than 1À0 x 10<SP>-5</SP> and a vapour pressure of not less than 0À2 mm. Hg at 20‹ C. Hydrochloric acid is preferred, but nitric, formic, mono or tri-chloroacetic, or glacial acetic acid are also suitable. The material treated may be furnace black, titanium dioxide silica (natural or synthetic), asbestos, or red iron oxide.
Patent GB-342189-A (GB)
Title: Improvements in or relating to the art of treating metal rods subsequently to a rolling operation
IPC: C21D9/573
Filed: 1930-03-12
Abstract: 342,189. Rolling. WHITE, A. E., 5, Quality Court, Chancery Lane, London. -(Morgan Construction Co. ; 15, Belmont Street, Warchester, Massachusetts, U.S.A.) March 12, 1930, No. 8056. [Class 83 (iv).] Rods A, which after leaving a rolling-mill are subjected to water-cooling, are subsequently passed, before reaching a reeling &c. device, through annular members 9 having a constriction only slightly greater in diameter than the rods, resulting in the removal of water carried by the rods. Blower pipes 17 in communication with an air blast or like device remove water from the members 9.
Patent GB-558893-A (GB)
Title: Improvements in or relating to hard wax substitutes
IPC: C08L91/06
Filed: 1942-06-15
Abstract: 558,893. Acid amides; ink, carbon paper; crayons. NATIONAL OIL PRODUCTS CO. June 15, 1942, No. 8140. Convention date, June 17, 1941. [Class 2 (iii)] [Also in Groups V and XV] Wax substitutes are obtained by condensing at 125-250‹C., one third to two thirds of a molecular proportion of hydrogenated castor oil having an iodine value of 11 or less with one molecular proportion of an alkylolamine. The liberated glycerine and partial glycerides are not removed from the products as they act as plasticizers. In an example, hydrogenated castor oil is condensed with monoethanolamine. Diethanolamine, ethanolethylamine and ethanolbutylamine are mentioned. The products may be used as a substitute for carnauba wax in printing ink and in plastic mould lubricants, crayons, carbon paper, polishes and dressings for paper twine, thread and cord. The Specification as open to inspection under Sect. 91, comprises also the condensation of alkylolamines or esters thereof with any fatty acid or amide forming derivative thereof. This subject-matter does not appear in the Specification as accepted.
Patent GB-1246175-A (GB)
Title: Improvements relating to contacts for electric circuit-breakers
Inventor: HEADLEY PETER
IPC: H01H33/70
Filed: 1969-02-14
Abstract: 1,246,175. Circuit breakers. A. REYROLLE & CO. Ltd. 13 May, 1970 [14 Feb., 1969], No. 8166/69. Heading H1N. A high voltage circuit breaker, especially a puffer type gas blast breaker using sulphurhexafluoride, has a contact with resilient fingers, and an annular arcing portion segmented by a series of circumferential oblique slits so as to cause any arc produced to spin. A movable contact engages a fixed contact 10, and is secured to a puffer piston 12 carrying an insulating nozzle 14 and slidable in a cylinder 15. The system is filled with SF 6  gas which passes through apertures 17 to extinguish the arc drawn between the contacts. The movable contact comprises a cylindrical sleeve 11 with a series of oblique slits 19 forming a ring of resilient contact fingers 18 and having lips 21 on which the arc roots. In Fig. 3 (not shown) the obliquely cut arcing portion surrounds an axially cut separate movable contact. The contact may also be employed in vacuum-type circuit breakers.
Patent GB-726991-A (GB)
Title: Gas turbine plant in steelworks
IPC: F02C3/20
Filed: 1953-03-25
Abstract: 726,991. Gas turbine plant. AKT.-GES BROWN, BOVERI, & CIE. March 25, 1953 [March 25, 1952], No. 8276/53. Class 110 (3). [Also in Group XIII] In a gas turbine plant combined with a blast furnace, the exhaust gases of the gas turbine are at least partly used for preheating the air supplied to the combustion chamber of the gas turbine, for preheating the blast furnace gases which are burnt in the blast heaters and as combustion air in the blast heaters. The gas turbine plant shown has compressors 1, 3 driven by gas turbines 7, 10 with an intercooler 2 between the compressors and a reheat chamber 8 between the turbines. The exhaust gases from the turbine 10 are divided at 14, a part flows through the heater 4, where the air supplied by the compressors is heated before entering the combustion chamber 5, and part flows to the blast heater 15. The second part is again divided, part passes through a valve 21 and is used as combustion air in the heater 15 and the remainder passes through a valve 22 to a heater 18 in which the blast furnace gas burnt in the blast heater 15 is heated. Valves 24, 25 control the flow of blast to the blast furnace 17. In a modification, the whole of the exhaust gases from the turbine 10 pass through the heater 4 and are then divided, part passes to atmosphere and part is fed to a fan which supplies the blast heater 15.
Patent GB-422374-A (GB)
Title: An improved bobbin spinning machine for making artificial silk
IPC: B65H54/44
Filed: 1934-03-16
Abstract: <PICT:0422374/IV/1> In bobbin spinning-machines for the pro <PICT:0422374/IV/2> In bobbin spinning-machines for the production of artificial silk by the wet process wherein the filaments are drawn from the nozzles by rollers 2, a slip clutch 6 is arranged between the bobbin and the bobbin shaft 5, so that the slip varies according to the filament tension and winding is effected at a constant rate, and the traverse guide is resilient or is resiliently mounted.  The clutch may consist of dry or greased couplings, hydraulic, pneumatic or magnetic couplings or the like, and the use permits cone-driving to be dispensed with.  Any desired operative process, such as stretching and intermediate liquid treatment, may be effected between the nozzle and the delivery roller, and between the delivery roller and the bobbin.
Patent GB-1142684-A (GB)
Title: Method and composition for manufacturing ceramic articles
IPC: C04B33/13
Filed: 1966-02-25
Abstract: 1,142,684. Ceramic articles. COORS PORCELAIN CO. 25 Feb., 1966 [7 May, 1965], No. 8385/66. Headings C1A and C1J. [Also in Division C3] A process for making ceramic articles comprises spray-drying an aqueous emulsion of ceramic powder and organic binder material to give a dry mixture, moulding the mixture to form an article and heating the article to remove the organic material and sinter the ceramic. The organic material may comprise a polyalkylene and a plasticizer for the polyalkylene. A preferred composition comprises alumina, polyethylene and butyl and/or aluminium stearate, the binder and plasticizer together forming 11-22% by wt. of the dry mixture. The mixture may be injectionmoulded at 200-450‹ F. and 2000-18000 p.s.i. and the resulting article heated to remove 55-80% of the organic material and then fired to remove the remainder and sinter the ceramic article. Beryllia may also be used as the ceramic.
Patent GB-1048803-A (GB)
Title: Improvements in or relating to a strap for attaching trees to a prop
IPC: A01G17/12
Filed: 1965-02-26
Abstract: 1,048,803. Band clips. M. A. LAGUERRE. Feb. 26, 1965 [Feb. 28, 1964], No. 8405/65. Heading E2B. [Also in Division A1] A strap of flexible material for securing trees to a prop has projections 8 along a portion of its length, a central broader portion, and a portion having a number of fastening openings 9. The central portion is slotted at 6, 7 to increase its flexibility. A number of such straps may be made integrally, the straps being joined at the central parts as at 4, 5 and separated by twisting. The strap is of synthetic resin material.
Patent GB-773707-A (GB)
Title: Improvements in or relating to flexible tubing
Inventor: MOSELEY JOHN
IPC: F16L11/10
Filed: 1955-03-23
Abstract: 773,707. Flexible tubes. COMPOFLEX CO., Ltd. Feb. 7, 1956 [March 23, 1955], No. 8500/55. Addition to 588,858. Class 99(2); In the tube described in the parent Specification and comprising inner and outer helical coils and a body portion consisting of at least one layer of sheet or strip polyvinyl chloride and layers of other material, the tube incorporates at least one layer of sheet or strip "Terylene," or " Melinex " (Registered Trade Marks) film. The film may be applied by winding convolutely or helically, and the outer coil may be of a synthetic rubber or a plastic material.
Patent GB-350067-A (GB)
Title: Improvements relating to hose connectors
IPC: F16L37/08
Filed: 1930-03-17
Abstract: 350,067. Hose pipe couplings. UNITED WATER SOFTENERS, Ltd., Aldwych House, Aldwych, London, and LAWRENCE, H. S., 152, Perth Road, Ilford, Essex. March 17, 1930, No. 8537. [Class 99 (i).] In a coupling for securing a hose pipe to a tap in which a bolt is used having means for anchoring it within the tap, the end of the tap C is seated on a rubber washer within the socket portion of a union E which is adaptable for use with taps of different sizes. The anchoring member J pivoted to the bolt M has a cam surface L at one side and teeth K at the other. It may have teeth on both sides. A nut O which extends through the base of the union carries a metal washer Q and rubber washer R.