baber/WOPTO huggingface dataset:
Patent GB-678303-A (GB)
Title: Improvements in and relating to apparatus for the analysis of mixtures of substances, by means of radiations
IPC: G01N21/37
Filed: 1949-11-21
Abstract: <PICT:0678303/III/1> In improved apparatus for analyzing gases or liquids by their characteristic absorbtions in which radiation from a source 1 passes through a test chamber 7 and a comparison chamber 6 to a pair of detectors 8, 8 unbalance of which is amplified at 9, a hollow transparent filter 4 composed of four quadrants two 14, 14, Fig. 2, of which contain the substance being tested for and the others 15, 15 being empty, is rotated in the radiation path either before or after the chambers 6, 7.  The effect of this filter is to impart an intermittent interruption only to those wavelengths which the substance being tested normally absorbs. Amplifier 9 responds only to the alternating current unbalance of the detectors so that instrument 10 indicates directly the proportion of the test substance in the test chamber.  Where chamber 7 contains two substances whose absorbtion bands overlap, the other two quadrants of the filter may be filled with this substance, the signals due to the two pairs of quadrants being distinguished by their phase relationship.  A number of such filters may be used to detect a number of substances.  The detectors may be thermo-elements, bolometers, photo-sensitive elements or photo-electric cells or a thin dark radiation absorber, e.g. a nitro-cellulose film may cause the expansion of gas near it which affects in turn the electrode of a membrane condenser.
Patent GB-208857-A (GB)
Title: Improvements in and connected with rails for hanging curtains and other articles
IPC: A47H1/06
Filed: 1922-11-02
Abstract: 208,857. Everitt, J. Nov. 2, 1922. Curtains, suspending.- A rail carrying curtain suspenders c comprises a bendable metal rail a provided with a bendable backing strip d, of wood, papier mÔchÚ, &c., permanently secured thereto and provided with a longitudinal groove e forming an overlying edge e<2> which prevents accidental disconnection of the suspenders c. In a modification shown in Fig. 4 the groove e is formed between two strips a, d and the overlying edge e<2> either by a separate strip g or by forwardly bending the strip d. The bendable rail a may be secured direct to a wardrobe &c. provided with the groove, e cut in the material thereof. Reference has been directed' by the Comptroller to Specification 19653/94.
Patent GB-1079519-A (GB)
Title: Improvements in or relating to triglycidyl isocyanurate
IPC: C09D163/00
Filed: 1965-07-15
Abstract: Process for the preparation of crystalline triglycidyl isocyanurate, in which:-  (a) Cyanuric acid and epichlorhydrin are reacted at a temperature in the range 70 DEG  to 200 DEG  C. in the molar ratio of 1 : 3 to 1 : 15 with addition of at least 50% of the noncrystallizing portions of a preceding batch;  (b) Hydrogen chloride is split off from the chlorhydrin ester obtained by an alkaline-reacting compound at a temperature in the range 20 DEG  to 100 DEG  C., at a pH value which does not exceed 13;  (c) The reaction product from which, if present, the greater part of the excess epichlorhydrin and any solvent other than methanol, glycol monomethyl ether and glycol monomethyl ether is first removed, is caused to crystallize by mixing with methanol, glycol monomethyl ether or glycol monomethyl ether; and  (d) The crystalline fractions are separated and at least 50% of the non-crystallizing portions are added to stage (a) and the remainder, if any, to stage (b) of the next batch.  Preferably the non-crystallizing portions are added to the next batch without separation of methanol and this is continuously distilled off during the reaction of the cyanuric acid and epichlorohydrin.  A water-immiscible organic solvent is preferably added during stage (b). The product is a mixture of low- and high-melting isomers which may be separated by fractional crystallization from methanol.
Patent GB-895513-A (GB)
Title: Improvements in shuttering for use in the construction of concrete floors and the like
Inventor: CLARKE ARTHUR THOMAS
IPC: E04G11/08
Filed: 1959-09-03
Abstract: 895,513. Floors, roads &c.-shuttering. BRITISH REINFORCED CONCRETE ENGINEERING CO. Ltd. July 1, 1960 [Sept. 3, 1959], No. 30089/59. Class 20(2) Shuttering for the edges of concrete floors, roads &c. comprises a centre section 1 between which, and upper and lower sections 2, 3, reinforcement 8 for the surfaces of the concrete is gripped. The section 1 is of channel section and angle section projections 4 on the sections 2, 3 fit in slots in the channel flanges, offset so that faces of the projections engage and wedges 7 are driven into aligned slots in the projections to cause the gripping of the wires 8 which also support the shuttering in moulding position. Section 1 has angle members 9 for connecting sections end-to-end.
Patent GB-850794-A (GB)
Title: Method and apparatus for eliminating the dazzling effect of strong sources of light, particularly for automotive vehicles
IPC: F21V11/18
Filed: 1956-10-03
Abstract: 850,794. Anti-dazzle devices for lamps. BAULIO ETABLISSEMENT. Oct. 3, 1956 [Oct. 3, 1955; Sept. 13, 1956], No. 30152/56. Class 75(4). A non-dazzling beam of light is produced by so controlling a light source that the beam is emitted in a cyclic form comprising in succession a dark phase, a dim phase and a phase of strong light, the frequency of the cycles being such that the duration of the phase of strong light is less than the duration of the refractory phases of the eye. The effect may be produced using two light emitters producing weak and strong flashes respectively or a single emitter producing the dim light and the strong light in succession. It may also be produced by interposing a shutter mechanism in the path of the beam from e.g. a vehicle head lamp 2, the shutter comprising a set of vertical blades 1 carried in bearings in holders 5, 6 connected by uprights 7, 8, the blades being driven by meshing gears 9 from a common driving shaft 10. The blades which may revolve or oscillate between closed and open position may be arranged in two or more rows so that in the closed position alternate blades cover the gaps between the blades on either side. The shutter may be extended so as to protect the driver from dazzle by oncoming vehicles, the head light being in this case arranged above the driver's line of vision. If desired, the blades may be provided with a succession of humps, the outer lower curved portion of which is reflecting to assist in illuminating the roadway.
Patent GB-301185-A (GB)
Title: Improvements in or in connection with the manufacture of hollow drills
IPC: B21K5/06
Filed: 1927-11-10
Abstract: 301,185. Wellman Seaver Rolling Mill Co., Ltd., and Smith, S. Nov. 10, 1927. Tubes.-A hollow steel drill blank is made by drawing down a closed ended billet 13, Fig. 1, on a detachably mounted mandrel 11 between dies 14, removing the mandrel and then rolling the blank to reduce its external diameter and increase its wall thickness. The mandrel may be removed by reeling the blank and mandrel between skew rolls after the first operation, and then withdrawing the loosened mandrel by pressure rolls 17 while the work is retained by a stripper plate 19, Fig. 3. The work may be passed through a reheating furnace between the drawing and reducing operations.
Patent GB-641213-A (GB)
Title: Improvements in and relating to the preservation of vegetables and other foliaceous plant materials
IPC: A23B7/153
Filed: 1945-11-12
Abstract: In preserving green and root vegetables, e.g., by canning, or by desiccation, followed if desired by briquetting, oxidative deterioration is reduced by adding to the plant material, while substantially in its natural condition, substances which destroy the oxidative enzymes of the plant material or bind traces of heavy metals concerned in oxidation by such enzymes, e.g., sodium hexametaphosphate, sodium sulphide, sodium hydrogen sulphite, salts of alkyl- or aryl-substituted dithiocarbamates, hydrogen sulphide, hydrogen chloride, hydrogen phosphide, the amount of such added substances being at least sufficient to inhibit oxidation of the ascorbic acid-dehydroascorbic acid system of the plant material.  The plant material may be sprinkled with, or immersed in, aqueous solutions of the substances, or scalded with hot aqueous solutions of the substances, impregnation by the solution being assisted by vacuum treatment, if desired; the substance, if gaseous, may be mixed with air, carbon dioxide or nitrogen before its addition to the plant material.  Specification 550,076 is referred to.  The Specification as open to inspection under Sect. 91 comprises also the use of hydrogen-ion-yielding substances and of 8-oxyquinoline.  This subject-matter does not appear in the Specification as accepted.ALSO:In preserving green vegetables, other foliaceous plant material, and root vegetables for animal nutrition, e.g., by desiccation, followed if desired by briquetting, oxidative deterioration is reduced by adding to the plant material, while substantially in its natural condition, substances which destroy the oxidative enzymes of the plant material or bind traces of heavy metals concerned in oxidation by such enzymes, e.g., sodium hexametaphosphate, sodium sulphide, sodium hydrogen sulphite, salts of alkyl- or aryl-substituted dithiocarbamates, hydrogen sulphide, hydrogen chloride, hydrogen phosphide, the amount of such added substances being at least sufficient to inhibit oxidation of the ascorbic acid-dehydroascorbic acid system of the plant material.  The plant material may be sprinkled with, or immersed in, aqueous solutions of the substances, impregnation by the solution being assisted by vacuum treatment if desired; the substance, if gaseous, may be mixed with air, carbon dioxide or nitrogen before its addition to the plant material.  Specification 550,076, [Group VI], is referred to.  The Specification as open to inspection under Sect. 91 comprises also the use of hydrogen-ion-yielding substances and of 8-oxyquinoline.  This subject-matter does not appear in the Specification as accepted.
Patent GB-602954-A (GB)
Title: A new or improved device for attaching handles to brooms
IPC: B25G3/12
Filed: 1945-11-13
Abstract: 602,954. Handle fixings. SCHRAVESANDE, P. J. Nov. 13, 1945, No 30272. [Class 61 (i)] A broom handle fixing socket has.lugs 18 secured by screws to the brush stock and other lugs 19, 20 to enter the hole in the brush stock, the socket being bent up from a rectangular sheet metal blank with a number of parallel slots extending from one end.
Patent GB-207822-A (GB)
Title: Improved manufacture of drilling or facing cutters
IPC: B23P15/34
Filed: 1923-12-01
Abstract: 207,822. Schnellwerkzeug Ges. Dec. 2, 1922, [Convention date]. Boring-heads. - In the manufacture of cutting tools working endwise and having brazed or welded cutters, the cutter support. comprising two sector- &haped portions a, b secured to a central boss c, is first made of diameter D larger than that of the finished tool. Grooves are then cut in the end faces and cutting elements d, e, f of high-speed steel are brazed or welded in position. Finally the tool is reduced to the diameter D<1> so that the cutters d, f are flush with the peripheral face of the support. The arrangement of a broad cutting element d on one sector and narrower cutting elements e, f on the other sector gives a strong construction of tool and a smooth cut.
Patent GB-920836-A (GB)
Title: Improvements in and relating to tubular heat exchangers
Inventor: CALVERT JOHN MARTIN
IPC: F28D7/08
Filed: 1959-09-04
Abstract: 920,836. Tubular heat exchangers. HEAD, WRIGHTSON & CO. Ltd. Aug. 30, 1960 [Sept. 4, 1959], No. 30341/59. Class 64 (3). A standard coil unit for a heat exchanger has an inner and outer shell comprising a series of tube lengths which are of circular formation and are arranged concentrically one within the other, each tube length being an incomplete circle so that when arranged with their open ends in alignment provide a gap or gaps extending towards the centre to facilitate access thereto. The heat exchanger may comprise a plurality of such coils superimposed one above the other. The tubes may be plain or finned. In the form shown each coil is formed of four pairs of circular tube lengths 1 to 8 enclosed between a central core 9 and an outer shell 10. The coil is provided with a segmental opening 11 facilitating access to the half-circle reverse bend connections 12 and also to the inlet and outlet connections 13. With the above arrangement the flow path through the coil alternates clockwise and anticlockwise, and a gas path through the heat exchanger is bounded by baffle plates 14, 14<SP>1</SP> between which i.e. on the space 11, there is no gas flow. Baffling around the outer periphery may also be provided as at 15. In Fig. 2, the outer tube 1 is connected to the inner tube 8 by means of reverse bends 16, the tube 2 with the tube 7 and so on to provide a four start coil having four inlet and outlet connections 13. Two segmental openings 11 can also be provided. In another embodiment (Fig. 3, not shown) pipe connections extend across the segmental opening 11. Another embodiment (Fig. 4, not shown) has the pipes 5 to 8 on one side of the opening 11 connected to the tubes 4 to 7 on the other side. Other forms of coil providing multiple flow paths are described.
Patent GB-1062913-A (GB)
Title: Method for initiating an operation for making fiber reinforced resinous articles
Inventor: BROGGS LEYROY RADER
IPC: B29C70/52
Filed: 1963-07-31
Abstract: In a modification of the method claimed in the parent Specification for forming continuous lengths of fibre-reinforced, thermo-hardening resinous articles the fibre reinforcments are drawn into the entrance portion of a confining passage, through a resin pan, which is connected to the entrance end of the confining passage in such a way that the entrance end of the confining passage forms part of the wall of the resin pan, and the process is started by threading the fibre-reinforcement through the resin pan when empty or filled to a level below the entrance end of the confining passage, and through the confining passage itself, heating the device, adding resin to the pan and pulling the reinforcement through the pan and confining passage, the heating of which is sufficient to solidify the resin in the confining passage.  If a fibre reinforcement of low tensile strength is to be used, then the starting procedure may be commenced by using a stronger reinforcing material, which the normal reinforcement may replace after the starting procedure has been completed.  Reference has been directed by the Comptroller to Specification 933,993.
Patent GB-1114417-A (GB)
Title: Improvements relating to exterior rear view mirrors for vehicles
Inventor: DAY JOHN ANTHONY
IPC: B60R1/06
Filed: 1964-07-31
Abstract: 1,114,417. Vehicle rear view mirrors. DESMO Ltd. 2 Aug., 1965 [31 July, 1964], No. 30383/64. Heading B7J. The mirror comprises die-cast metal or plastic parts 10, 12 and a flat-bottomed rectangular plinth 13 into which are moulded screws 32, the part 10 having a spherical end 17 fitting into a bevelled seating 19. The mirror proper may be retained by a ring 20 as in Specification 1,095,332, or held by a similar ring, but having an external rib or flange which abuts the edge of the open end of the holder 10, or the interior of the holder may be provided with a transverse partition and the mirror 11 seated back and adhered to a foam plastics material between it and the partition. A dished plate 27 of larger diameter than a hole 18 in the end 17 co-operates with a screw 26 and a nut and spring to provide a joint which may be adjusted by removing a plastic reflector cover 31 and turning the screw.
Patent GB-689625-A (GB)
Title: Improvements in or relating to adjustable supports for electric lamps and the like
IPC: F16M11/00
Filed: 1949-11-28
Abstract: 689.625. Lamp brackets. BAGLOW, D. V. Feb. 28, 1951 [Nov. 28. 1949; Nov. 28, 1949]. Nos. 30467/49 and 30468/49. Classes 52(iii) and 52(v) An adjustable support for lamps comprises levers 19, 20 pivotally connected by a pin 28, the lower lever 19 being pivotally mounted on a pin 17 suspended between lugs 16 on the rotatably mounted casing of a standard within which is 'a compression spring 29 so coupled to the levers that it exerts a tension on each of the levers. A link 30 is pivotally mounted at the end of the lever 20 on a pin 32 and is connected to the lower end of the lever 19 by a link 33 of a length equal to the distance between the pins 32 and 28 and pivotally mounted on the pin 17. The counterbalancing spring 29 is suspended by a pair of co-operating stirrups 36, 37 the ends of which are turned over to engage the ends of the spring. The stirrup 36 is connected by a bolt to the base of the standard thus anchoring the upper end of the spring. The free end of the spring is connected through the stirrup 37 to the link 30 so any movement of the link 30 caused by movement of eithed lever is transmitted to the spring. A piece of cork 41 held between the stirrup gives additional resistance to pivotal movement of the levers.
Patent GB-313393-A (GB)
Title: Improvements in pneumatic tires
IPC: B60C17/06
Filed: 1928-10-22
Abstract: 313,393. Woods, E. R. Oct. 22, 1928. Puncture or deflation, indicating.-Deflation of a pneumatic tyre in running is indicated to the driver by means of one or more buffers 12 fitted within the tyre spaced from the tread by an extent corresponding to the vertical deflection of the tyre when running under normal inflation pressure. The buffers may be provided with, or attached to, the air tube 6.
Patent GB-1299959-A (GB)
Title: Manually-propelled trolley
Inventor: O'BRIEN WILLIAM MICHAEL
IPC: B62M1/14
Filed: 1970-06-23
Abstract: 1299959 Trollies; quadricycfes W M O'BRIEN 23 June 1970 [24 June 1969] 30540/70 Headings B7B and B7E A hand propelled bogie having a platform 1 supported at its front end by a single wheel or a pair of wheels 2 has a rear transverse axle 13 carrying wheels 12. The axle 13 has a freewheel mechanism including a pulley 17 connected to a recoil spring 18; a rope 22 is wound around the pulley and passes beneath a freely rotatable pulley 23 for actuation in the direction Y by a driver on the platform. The bogie is steered by the driver's feet on foot rests 26 to pivot an axle 3 mounted on a turntable 5.
Patent GB-500135-A (GB)
Title: Improvements relating to heating elements for electrically heated ovens
IPC: H05B3/64
Filed: 1937-11-08
Abstract: 500,135. Electric heating resistances. JACKSON ELECTRIC STOVE CO., Ltd., and LATTIMER, T. J. Nov. 8, 1937, No. 30561. [Class 39 (iii)] An oven element comprises a refractory support b in one or more sections and having grooves containing the heating coils a, a sheet metal housing d accommodating the support and having a closed side, a sheet metal partition e between the support and the closed side and narrowly spaced from the latter, and perforations g in the housing to allow air to flow through this space. Projections pressed out from the partition are spot welded to the housing. Two elements arranged side by side are connected at one end by a refractory member carrying terminals and at the other end by a cover piece. Specification 413,298 is referred to.
Patent GB-814210-A (GB)
Title: Improvements in or relating to gear boxes for road vehicles
Inventor: GOERKE FRITZ
IPC: F16H37/08
Filed: 1956-10-08
Abstract: 814,210. Change-speed gearing. AUTO UNION G.m.b.H. Oct. 8, 1956, No. 30628/56. Class 80 (2). In a transmission system for a motor vehicle a supplemental reduction gear 4 is positioned between the motor and the change-speed gear. The drive from the engine clutch passes from a shaft 3 to a two-speed gear 4, actuated by dog clutch element 7, and thence to an input shaft 6 of a change-speed gear. The change-speed gear output shaft 14 drives a differential 5 for one pair of road wheels, and may be clutched at 16 to a shaft driving the other pair of wheels.
Patent GB-872740-A (GB)
Title: Improvements in or relating to machines for use in topping beet and like root crops
IPC: A01D27/02
Filed: 1957-10-02
Abstract: 872,740. Root-crop harvesters. STANDEN & SONS Ltd., F.A. and STANDEN, P. Oct. 2 1958 [Oct. 2, 1957 June 27, 1958] Nos. 30915/57 and 20642/58. Class 6(3). A beetroot topping and top-collecting apparatus includes a topping knife 59, the height of which above the ground is controlled by a rotary feeler 30, a top-elevator 15 and means for supporting the severed tops in their passage from the knife to the elevator, the topping assembly being capable of movement independently of, and relatively to the elevator, as the machine advances. The apparatus is attached to the harvesting machine described in Specification 662,804 and the topping mechanism is similar to that described in Specification 842,423 and consists of a pivoted frame 24 carrying the feeler-wheels 30 and a frame 61 pivoted at 62 to brackets 63 depending from the frame 24. The frame 61 is linked to the frame 24 by a member 66 and carries the knife 59 having rearwardly-extending tines 65 which support the cut-tops in their passage to the elevator 15. The elevator is fixed on the main frame 1 of the harvester and has a chain-link floor and rigid side-walls 16, a grid 53 of bars 54 presses tops down on to the upper chain-run. Rotary cleaning discs 44 interleave with the feelerwheels. The elevator 15 discharges at its upper end on to an endless transverse conveyer 79 which delivers to a shoot 91 adjustably mounted on the harvester frame. A thrashing mechanism 98 of the type described in Specification 662,804 follows the topping mechanism which is preceded by vertical disc-coulters 72 to cut off loosely-spreading beet-foliage. The topping mechanism, elevator and disc-coulters are, laterally adjustable on cross-members 12, 76 of the harvester frame. Specifications 710,657 and 657,174 also are referred to.
Patent GB-839563-A (GB)
Title: An improved fuel system for assisting in starting a gas turbine engine
Inventor: PENNY ROBERT NOEL
IPC: F02C7/26
Filed: 1956-10-11
Abstract: 839,563. Gas turbine plant. ROVER CO. Ltd. Oct. 2, 1957 [Oct. 11, 1956], No. 30953/56. Class 110 (3). [Also in Group XI] A gas turbine having a burner to which fuel is supplied through a shut-off valve in which the fuel pump, the shut-off valve and the burner are connected in series has a device including a closed chamber containing a cushion of gas connected to the fuel system of the engine through a common inlet and outlet pipe between the fuel pump and the shut-off valve so that when the burner shut-off valve is closed fuel is stored under a pressure which mounts until a predetermined minimum value is reached when, on opening the shut-off valve, fuel is supplied at an adequate pressure to the burner. Fuel is supplied to the burner 3 by a pump B and a chamber A is connected to the fuel line between the pump and burner. The burner C has a body 2 containing a fuel duct 3 the flow through which is controlled by an axially movable valve member 5. The member 5 is rotatably and axially movable in a cap 6 and is biased to its closed position by a spring 9. The valve is operated by a lever 11 which coacts with a cam surface 14 formed on the cap 6. The chamber A comprises an open-ended transparent tube 15 held on a sealing washer 16 in the base of a cup 17 by metal cylinder 19 which screws into the cup. The cylinder 19 has ports 22 through which the interior of the tube 15 can be seen. At starting, the tube 15 will be full of air and as the pump is accelerated the fuel pressure will build up and fuel will enter the tube 15 until the level indicated by the bead 27 is reached. The valve 5 is then opened to allow fuel to pass to the nozzle 4. To replenish the air in the tube 15, the cylinder 19 is unscrewed to break the seal between the tube 15 and washer 16 and allow the excess fuel to pass to the drain 26.