baber/WOPTO huggingface dataset:
Patent GB-475494-A (GB)
Title: Improvements in filter devices
IPC: B01D35/12
Filed: 1936-04-17
Abstract: 475,494. Filters. TENNANT, W. J. (Pratt Co., H.) April 17, 1936, No. 11110. [Class 46] Filter elements 42, 43 are mounted in chambers 13, 14 respectively in a casing 10 having inlet and outlet fittings 11, 12 and valve discs 19, 29 pivoted on shafts 20, 30, so that they can be turned to close respectively the inlets and outlets to the chambers 13, 14. The chambers have also outlets 60, 61 controlled by quick-moving valves 63, 64. The arrangement is such that either element may be cleansed by closing the inlet of its chamber and allowing of a reverse flow of water which has been filtered through the other element to wash separated solid matter through the valve 63 or 64. Or both inlet and outlet of one of the chambers may be closed and the corresponding element removed for cleansing on opening the head 55 of the chamber, The shafts 20, 30 are journalled in rubber bearings and turned through worm gearing either manually or by power.
Patent GB-583790-A (GB)
Title: Improvements in beam forming apparatus for, for example, sound energy
IPC: G10K11/28
Filed: 1941-09-01
Abstract: 583,790. Sound transmitting and receiving apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and ROUND, H. J. Sept. 1, 1941, No. 11152. [Class 40 (iv)] [Also in Group XXXVIII] Apparatus for directively transmitting or receiving sound or like energy comprises a strip or slab S of magnetostrictive or other material placed in the throat of a horn H having two of its walls parallel to each other and the other two diverging at an increasing rate, the strip or slab being disposed in the throat of the horn so as to face across the throat as shown. The Figure shows a double horn, each end of the slab S being utilized.
Patent GB-271430-A (GB)
Title: Device for driving speedometers, taximeters or the like fitted on automobiles
IPC: B60Q1/54
Filed: 1927-04-26
Abstract: 271,430. Aktiebolaget Akros, (Assignees of Lundgren, F. H.). May 19, 1926, [Convention date]. Transmission mechanism for speedometers, taximeters &c., on motor vehicles of the " Ford " type as described in Specification 23226/13, [Class 79 (v), Motor vehicles, Steering &c.], comprises a worm wheel 2 which is mounted upon the power transmission shaft 1 of the engine unit, and takes the place of the usual support for the clutch spring 6. The hub of the wheel has slots 3 which permit it to be passed over the usual transverse pin 4, and then turned so that locking notches 5 engage the pin. The wheel 2 gears with a worm wheel 13 on a flexible shaft 12, the support 10 being mounted on a detachable cover 8 for the gear casing.
Patent GB-402059-A (GB)
Title: Improvements in collapsible tables or stands
IPC: A47B3/00
Filed: 1932-04-19
Abstract: 402,059. Tables or stands. DAVIES, J. S., 23, Manchester Road, Chorlton-cum- Hardy, Manchester. April 19, 1932, Nos. 11168 and 27155. [Classes 52 (iii) and 52 (v).] The frame work of a collapsable table or stand consists of an inverted umbrella-like structure, the stretchers extending from a fixed wheel at the top of the stick, and the ribs being attached to a sliding runner. The framework shown comprises a stick or shaft a, ribs b, and stretchers c. This supports a flexible sheet f, serving as a table top or stand; it has a pocket f at each corner for receiving a rib end. A ring k with four grips and pegs or the like l serve to stay it ; the pegs l may be formed with handles l<1>. This ring k may be fitted above the runner d, or nearer the bottom of the shaft a as shown. The sheet f, may have stiffeners, or may be made with a central depression serving as a wash bowl or for other purposes. The shaft a is supported by a ground spike n secured by a screw r.
Patent GB-1098743-A (GB)
Title: Improvements in expansion vessels for oil-filled cables
IPC: H02G15/26
Filed: 1965-03-17
Abstract: 1,098,743. Oil-filled cables. ALLM€NNA SVENSKA ELEKTRISKA A.B. March 17, 1965 [March 18, 1964], No. 11254/65. Heading H1A. An expansion vessel for oil-filled cable has a number of cells 14 made of metallic plate and provided with surfaces so corrugated that when the cells are expanded the corrugations on the surface of one cell enter those on the surface of the adjacent cell. The top and bottom cells are provided with flat surfaces 17 to engage the ends of the oil filled container 1. Expansion vessels of this construction need less oil to fill the spaces.
Patent GB-1325942-A (GB)
Title: Apparatus for responding to fluid flow velocity
IPC: G01S17/50
Filed: 1971-04-26
Abstract: 1325942 Photo-electric fluid flow measurement BROWN BOVERI & CO Ltd 26 April 1971 [27 April 1970] 11263/71 Heading H4D [Also in Division G1] The flow velocity of a fluid in a localized region of a duct 1 is measured by focusing light from a laser 3 on to the region, rendering parallel two beams 6, 4 constituted by scattered and unscattered light, superimposing the two beams on to a photo multiplier 13 by means of a rotatable refractive parallel planar element 7 and a lens, diaphragm arrangement 11, 10, 12, the output frequency of the photomultiplier due to heterodyne action and Doppler shift being a function of the flow velocity. The spacing of the diaphragms and lens 11 may be adjusted by a coupling arrangement with the means for rotating element 7. A variable attenuator 8 may be included to adjust the relative beam intensities.
Patent GB-595837-A (GB)
Title: Improvements in or relating to directional antenna
IPC: G01S3/08
Filed: 1944-06-13
Abstract: 595,837. Aerials. STEVENS, A. H. (United Air Lines, Inc.). June 13, 1944, No. 11290. [Class 40 (v)] In a directional antenna comprising spaced loops 12, 13 carried on a rotatable metallic boom 17, the loops are slightly tilted with respect to the longitudinal axis of the boom, i.e. the planes in which the loops lie are not quite at right angles to the boom, in order to minimize boom eddy-current effects by taking into account the vertical component of such currents arising from the thickness of the boom. Tilting is effected in opposite directions, each loop normally being tilted inwardly towards the vertical axis of rotation of the boom. The loops are contained in split shields formed of metal tubes 14 with an insulating insert 16, the lower ends of the tubes fitting into apertures in the boom ends to which they are secured by means of bolts and flanges 20.
Patent GB-1040987-A (GB)
Title: Improvements relating to holding or locating jigs, fixtures or tools
Inventor: LILLIE CHARLES DOUGLAS
IPC: B23Q3/08
Filed: 1964-03-18
Abstract: 1,040,987. Work-holders. HYDRAJAWS Ltd. March 2, 1965 [March 18, 1964], No. 11339/64. Heading B3B. A work-, or tool-, support comprises a plunger 17 slidable in a split taper collet 15 which is located in a piston 12 having a complementary taper, the piston being displaceable to close the collet and grip the plunger.
Patent GB-1266253-A (GB)
IPC: G01P15/03
Filed: 1970-03-10
Abstract: 1,266,253. Making bearing balls; stamping. TEXTRON Inc. 10 March, 1970 [1 April, 1969], No. 11393/70. Headings B3A and B3Q. [Also in Division F2] A method of making a hollow bearing ball comprises swaging inwardly each end 12 of a metal tube 11, whose grain runs parallel with the axis A-A of the tube, to bring all portions of each end edge relatively close together'to leave a small opening 17 on the axis A-A which is closed by electron beam welding. To facilitate the shaping of the ball by swaging, a slug 13 of lead, rubber, oil or sand is placed in the central portion 'of an induction heated tube and pressure exerted by rams 14 to form a bulge 16. The slug 13 is then removed and swaged by hemispherically concave dies 16. The ends 12 of the tube can be tapered, e.g. by milling or grinding, so as to produce balls having walls of uniform thickness or balls having an annular thicker wall portion around the equatorial circumference in a central plane normal to the axis A-A. In another embodiment a ball having a wall 21 is formed from a tube having a wall 21 in the centre, the wall 21 optionally having a hole in the centre of it.
Patent GB-124990-A (GB)
Title: Improved Process of Regenerating Lubricants.
Inventor: WADE HAROLD
IPC: C10M175/00
Filed: 1918-07-11
Abstract: 124,990. Wade, H., (Pittsburgh Testing Laboratory). July 11, 1918. Recovering waste lubricants.-Waste lubricants, especially those from internal-combustion engines, are dissolved in a hydrocarbon solvent, treated with acid and washed, the solvent being then distilled off. The process may also include other steps, as follows : the oil is clarified by settling or centrifuging, dissolved in about four times its weight of gasoline or petroleum naphtha, shaken with bone-black or fuller's earth, filtered, treated with a two per cent solution of caustic soda, separated from the soda solution, treated with concentrated sulphuric acid, separated from the acid, neutralized with caustic soda and washed, the solvent being then distilled off.
Patent GB-166725-A (GB)
Title: Improvements in or relating to pocket receptacles for holding condiments
IPC: A47G19/24
Filed: 1920-04-26
Abstract: 166,725. Barber, H. April 26, 1920. Powder distributors.-A pocket holder for pepper and salt comprises two short tubes A, B, each open at one end, and provided at the other end with perforations and a nozzle respectively. The open ends are secured on a central piece C by screw threads or by a groove catch as shown. Spring caps D are provided for the outer ends.
Patent GB-853143-A (GB)
Title: Photochemical chlorination process
IPC: C07C17/10
Filed: 1957-04-09
Abstract: A continuous process for the photochemical chlorination of a liquid organic feed of aliphatic or alicyclic hydrocarbons or partially chlorinated hydrocarbon derivatives thereof, containing three to eight carbon atoms in the molecule inclusive comprises maintaining a circulating stream of liquid polychlorohydrocarbon in communication with a reaction zone containing the main body of liquid polychlorohydrocarbon, separately injecting the reactants consisting of liquid chlorine and liquid organic feed comprising an aliphatic or alicyclic hydrocarbon or partially chlorinated hydrocarbon derivative thereof containing three to eight carbon atoms in the molecule inclusive into said circulating stream of liquid polychlorohydrocarbon, maintaining the chlorine feed rate and the chlorinator temperature such that 90% of the reactants entering said reaction zone are in the liquid phase, passing the mixture so produced through an irradiated reaction zone to effect chlorination of the organic feed, withdrawing a portion of said circulating stream leaving the reaction zone and recovering said portion as product.  In a modification of the process separate circulating streams of liquid polychlorohydrocarbon are used and the reactants consisting of liquid chlorine and the liquid organic feed are separately injected into the said separate circulating streams and wherein after withdrawing a portion of the said circulating streams leaving the reaction zone to a product recovery zone, the remaining portions of the circulating streams are passed through heat exchangers to maintain the temperature of the liquid polychlorohydrocarbon in the reaction zone between about 25 DEG  and 150 DEG C.  The latter process may be operated so that the reactants entering the reaction zone are maintained substantially in solution.  Apparatuses are described with reference to Figs. 1 and 2 (not shown) for carrying out the processes with one and two circulating streams of liquid polychlorohydrocarbon respectively.  Examples relate to the chlorination of pentane to produce a product of average composition C5Cl6,6H5,5 (1) and propane to produce a product of average composition C3H3,5Cl4,4
Patent GB-285282-A (GB)
Title: Fuel receptacle for use with petrol lighters
IPC: F23Q2/38
Filed: 1927-04-30
Abstract: 285,282. Neil, A. W. April 30, 1927. Cans; partitions.-Containers for charging fuel reservoirs of igniters are provided with an externally screw-threaded boss 2 adapted to be connected directly, or by means of an adaptor, with the filling aperture of the igniter and are divided by a fluid-tight partition 6 into an upper fuel chamber 1 and a lower chamber 7, preferably sub-divided into a plurality of compartments, to accommodate an adaptor, spare wick or flints, or other smokers' accessories. The chamber 7 is provided with a sliding or hinged lid 8. The lids 8, Figs. 4 and 6, are provided with a ridge 12, which forms a continuation of the runner or guide 13 in the closed position. A hinged lid may be retained in the closed position by a spring or by a bent hinged clip. In the latter case, the lid may be opened by a spring when released from the clip.
Patent GB-394115-A (GB)
Title: Improvements in or relating to sintered magnesia and refractory materials containing sintered magnesia
IPC: C04B35/043
Filed: 1932-04-23
Abstract: Refractory sintered magnesia is produced from raw materials low in iron by adding to the charge a small proportion of preformed calcium ferrite, or iron oxide and calcium oxide, or substances yielding these compounds, in such relation that the proportion of lime to ferric oxide is not greater than the stoichiometric proportion corresponding to the compound calcium ferrite CaO.Fe2O3, additions of a kind other than lime and ferric oxide being made, or being present as impurities, only in such quantities that the formation of calcium ferrite is not impeded.  The lime may be present in the raw material as an impurity.  Where the raw material contains acid silicates, or substances yielding such silicates on calcination, sufficient basic material is added to combine with the silicates, and if lime is this basic material sufficient is added to provide an excess to combine with the added ferric oxide.  The magnesite may be in a coarsely crushed form and the additions finely crushed.  In addition to preformed calcium ferrite, ferric oxide or materials yielding ferric oxide may be added to the charge.  The process may also be applied to improve magnesia that has already been sintered.  The amount of the ferruginous additions is usually smaller than 10 per cent by weight of the magnesia, but in special cases, e.g. for bricks resistant to sudden changes of temperature, may be equal to or even greater than the magnesia content.  In an example, magnesite poor in lime, silica and iron, is mixed with 15 per cent of quick lime and 5 per cent of ferric oxide and is fired at 1350 DEG  C.  Other examples are given.
Patent GB-1172217-A (GB)
Title: System for Defrosting of Refrigerating Constructions
Inventor: BECKWITH STERLING
IPC: A47F3/04
Filed: 1968-03-11
Abstract: 1,172,217. Refrigerators. DUAL JET REFRIGERATION CO. 11 March, 1968, No. 11735/68. Heading F4H. An open-fronted display case employing a multi-panel air curtain across the access opening is defrosted by allowing air from the passage supplying the innermost panel to pass to atmosphere through an outlet in the top of the case so that ambient air is drawn into the inlet of the passage for the outermost panel and is circulated in a path which includes the refrigerating means in the first-mentioned passage. As shown in Fig. 1, air for the innermost panel 42 circulates through a passage 28 which may be closed by a baffle 54 when defrosting is required so that the air passes to atmosphere through an outlet 50, air previously forming the outer panel enters the inlet of passage 28 and ambient air is drawn into the inlet of the outer passage 30. The outlet may be opened automatically at predetermined time intervals or temperature or air flow values. A removable cover 126 is provided for the access opening. In the embodiment shown in Figs. 4, 7 and 8, the nozzle 62 for the inner air panel is supplied with air by two passages 68, 70 (Fig. 8) which communicate with vertical side-by-side ducts 72, 74 at the rear of the case and diverge, in horizontal cross-section, towards the front of the case. Passages 68, 70 converge towards the front of the case in vertical cross-section so that their cross-sectional areas are substantially equal at all points along their lengths. The nozzle 60 for the outer air panel is supplied with air by two passages 96, 98 (Fig. 7) which communicate with vertical ducts 92, 94 flanking the pair of ducts 72, 74. The inlets 64, 66 for the air panels are connected to the lower ends of ducts 72, 74, 92, 94 by a similar arrangement of passages (Figs. 11 and 12, not shown). The upper ends of ducts 72, 74 communicate with the exterior of the case via passages 102 and a hinged door 100 which is opened for defrosting. Fans are provided in each of the vertical ducts and a guard air panel is projected from a nozzle 90 supplied with air by a fan 89 via duct 88. The passages and ducts are formed in the foamed plastics insulation of the cabinet and may be lined with aluminium foil. The walls of the storage area of the case are secured to U-shaped frame members (110, Figs. 2 and 3, not shown) to which shelves are connected and which have legs resting on the base structure of the case.
Patent GB-1138593-A (GB)
Title: Methyl methacrylate polymer and process for making same
IPC: C08F20/14
Filed: 1967-03-13
Abstract: 1,138,593. Continuous production of methylmethacrylate monomer/polymer syrups. E. I. DU PONT DE NEMOURS & CO. 13 March, 1967 [14 March, 1966], No. 11741/67. Heading C3P. [Also in Division B1] Syrups of polymethyl methacrylate or copolymers containing more than 60% by weight of methyl methacrylate units, in the corresponding monomer, are prepared in continuous manner by a process which comprises exposing a mixture of a free radical polymerization initiator and the monomer at an elevated temperature  to " an environment of constant polymerization conditions " (as defined) to form 40-95% by weight of the final polymer content, exposing the resultant mixture at an elevated temperature to at least one subsequent environment of constant polymerization conditions to form the remainder of the polymer content (which has a higher molecular weight than the previously formed polymer content) and to reduce the amount of residual initiator to a level such that on subsequent cooling the initiator is substantially inactive, and thereafter cooling the reaction product. Suitable comonomers for the methyl methacrylate include acrylonitrile, ethylene, butadiene, vinyl acetate, styrene, 2-methylstyrene and alkyl-(meth)-acrylates, e.g. nbutyl methacrylate or ethylacrylate (see Examples 5 and 6). Initiators specified are azobisisobutyronitrile, benzoyl peroxide, lauryl peroxide and di-t-butyl peroxide. A chain transfer agent may be included in the preparation of the syrups, e.g. glycol di-mercaptoacetate, lauryl mercaptan and n-butyl mercaptan. Storage stability of the syrups is enhanced by addition of a polymerization inhibitor, e.g. quinone, hydroquinone and 2,4-dimethyl-6-tbutyl-phenol. The syrups are useful for casting solid articles such as sheets with conventional curing agents.
Patent GB-125294-A (GB)
Title: A Thistle and Nettle Knife.
Inventor: BUGBY JAMES EDWARD
IPC: A01D1/06
Filed: 1918-07-18
Abstract: 125,294. Bugby, J. E. July 18, 1918. Sickles. - A thistle and nettle knife comprises a double-edged blade C, D which is attached by bolts or rivets to a curved socket-piece B for the reception of the handle A. The edges of the blade may be parallel or may taper or be curved towards each other.
Patent GB-183571-A (GB)
Title: Improvements in machines for grinding and polishing bi-focal lenses
IPC: B24B13/06
Filed: 1921-04-25
Abstract: 183,571. Bentzon, M. April 25, 1921. Lenses, grinding and polishing.-A machine of the kind described in Specification 28823/04 for grinding and polishing bi-focal lenses, wherein inner and outer curved zones are produced on a glass disc which is subsequently cut up to form the lenses, comprises two grinding or polishing tools, which produce the inner and outer zones respectively, the inner tool being under the control of a curved templet, which causes the tool to move in a path corresponding to the curvature to be imparted to the inner zone. The glass disc c is mounted on a support b carried by a rotating vertical spindle d journaled in a bracket f, which is adjustable on vertical guides g on the machine frame a and locked in the adjusted position by a bolt h engaging a T-slot in the frame. The centre zone of the disc is produced by a tool k carried by a spring-pressed spindle l journaled in a frame m and rotated by a flexible shaft l<2> mounted in a housing l<3>. The frame m, which comprises two parts hinged together at m<3>, is pivoted at p<2> to an arm p pivoted at p<1> to the machine frame, and the frame m is moved to carry the tools radially over the glass disc by means of a handle q. Motion of the frame away from the centre of the disc is limited by an adjustable stop r, and a spring q<1> acts on the arm p. Near the tool, the frame has an extension m<2> carrying rollers o, which bear on a templet n having a curved upper surface and secured to the machine frame. Reciprocation of the frame by means of the handle q thus causes the tool to move in a path of which the curvature agrees with that of the templet, the tool and the rollers being pressed towards the glass disc by a spring o<1>. The outer zone of the disc is formed by a tool s carried by a spring-pressed spindle s<1> journaled in a block t' carried by a bracket t. The bracket is mounted in a split socket u, in which it may be adjusted about a vertical axis and secured in adjusted position by a screw w<2>. The spindle s<1> is driven by a flexible shaft s<3> mounted in a housing s', the shaft being driven through gears w, w', w<3>, w<4>, from the spindle d. In order to adjust the angular position of the tool to produce a convex or a concave outer zone, the block t<1> is adjustable about an horizontal pivot t<2>, and, to adjust the tool towards or from the centre of the disc, the block is moved in guides t<5> by a screw t<6>. To remove the tool k from the disc. the spring o<1> is disconnected from the frame m and the frame is lifted about its pivot p<2> to rest on a stop p'. The tools may both operate at the same time; or they may operate separately. According to the Provisional Specification, the frame may be reciprocated radially of the disc by a screw.
Patent GB-886558-A (GB)
Title: A new or improved boiler cock
Inventor: CLARK STANLEY HERBERT
IPC: F16K1/02
Filed: 1959-04-09
Abstract: 886,558. Valves. SANBRA Ltd. March 30, 1960 [April 9, 1959], No. 11944/59. Class 135. A boiler cock comprises a body portion 1 having an inlet 2 and an outlet 8 and a sleeve member 15 is secured to the body part and has an internal two start Acme thread 21. A valve closure member 11, formed with a jumper stem 14, is carried by a spindle 18, having an external two start Acme thread 22. The sleeve 15 is provided with an O-ring 23 which provides a fluid-tight seal and also provides frictional engagement with the spindle, when the valve is open. To close the valve, the stem is pushed rectilinearly to a position in which the valve member 11 closes or almost closes the valve and by rotational movement of the spindle, the threads engage and tighten the valve closure on to its seat.
Patent GB-1442633-A (GB)
Title: Disperse azo dyestuffs
IPC: C09B29/08
Filed: 1973-03-13
Abstract: 1442633 Disperse azo dyes IMPERIAL CHEMICAL INDUSTRIES Ltd 28 Jan 1974 [13 March 1973] 11968/73 Heading C4P Novel dyestuffs, free from SO 3 H groups, of Formula I where A<SP>1</SP> is C 2 -C 6  optionally substituted alky lene, A<SP>2</SP> is C 1 -C 13  optionally substituted alky lene, X is H, alkyl, Cl, Br or NO 2 , R is H or optionally substituted alkyl or aryl, Y is H, alkyl, alkoxy, Cl, Br, aryloxy or cyclohexyloxy and Z is H, alkyl, alkoxy, Cl, Br or -NTCOW<SP>1</SP> or -NTSO 2 W<SP>2</SP> where T is H or optionally substituted alkyl, W<SP>1</SP> is H, alkyl or aryl and W<SP>2</SP> is alkyl or aryl; are prepared by azo coupling. The dyes of Formula I give blue to yellow shades on aromatic polyester textile materials.