baber/WOPTO huggingface dataset:
Patent GB-919368-A (GB)
Title: Improvements relating to the measurement of distance
Inventor: FROOME KEITH DAVY
IPC: G01S17/08
Filed: 1960-09-22
Abstract: 919,368. Optical determination of distance using Kerr cell effect. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Sept. 22, 1961 [Sept. 22, 1960], No. 32675/60. Class 40 (7). A method of testing whether a light reflecting means is in a desired position, comprises employing a device in a known position producing a beam of polarized light, the polarization being cyclically modulated, directing the beam on to the light reflecting means and examining, at a given point, the light reflected therefrom, to determine the degree of modulation of the polarization, thereby tc deduce the distance of the said device from the light-reflecting means, in terms of the wavelength of the cyclical modulation of the polarized light. The cyclical modulation can be applied to the plane polarized monochromatic beam 24, by means of a Kerr cell comprising a birefrigent crystal 10 excited by the standing waves of a pulsed magnetron 17. The beam 24 passes through an antinode 26 of the standing wave and becomes eliptically polarized, with the degree of elipicity varying cyclically at the frequency of the magnetron oscillations. The thus modulated beam is reflected back from the test mirror 28, through an adjacent antinode 33 resulting in a reduction on increase of the cyclical modulation of the polarization depending on the position of the mirror 28, nulls being produced at intervals of mirror movement of half wavelengths of the magnetron oscillations, and detected by aphoto-cell 36 through an analyzer 35 at rightangles to polarizer 25. Alternatively, part of the reflected beam 37 may pass through a third antinode 38 in antiphase to 33, the two beams being separately detected by analyzers and photocells connected in a difference amplifier feeding a galvanometer. The mirror may remain stationary and means, e.g. a prism, inserted in the beam path, to change its effective length. Two close modulation frequencies may be used alternately, necessitating less accurate knowledge of the initial distance between the crystal and mirror.
Patent GB-1279140-A (GB)
Title: Improvements relating to manufacturing textile yarns from film web
Inventor: WATERHOUSE GEORGE
IPC: D01D5/42
Filed: 1969-06-27
Abstract: 1279140 Film fibrillation ERNEST SCRAGG & SONS Ltd 25 June 1970 [27 June 1969] 32680/69 Heading B5B Artificial filaments suitable for conversion into textile yarns are produced by subjecting a film web consisting of a synthetic organic thermoplastic polymeric material especially a polyolefin, e.g. polypropylene to forging to effect local weakening along parallel lines and thereafter converting the forged film web to filaments by rupture of the film web along the lines of weakness by stretching the film web longitudinally of the lines of weakness, with or without division by other mechanical treatment. By forging is meant a treatment which is most conveniently carried out at a temperature at which the film is plastic by passing it into contact with a profiled roller so that the thickness of the film is greatly locally reduced to produce the lines of weakness by simultaneous deformation and lateral displacement of material into the regions between the lines of weakness. Such a roller may form closely spaced longitudinal parallel grooves in one or both surfaces of the film web which constitute lines of weakness and the web may thereafter be stretched longitudinally at an elevated temperature so that it is caused to split longitudinally along the grooves during the stretching operation to form discrete filaments or is caused to split in this manner by subjecting it to subsequent mechanical treatment such as passage of the web over a sawtooth edge or by stretching it laterally. The profiled roller may be associated with a plain or with a profiled counter roller. The web may be chilled immediately after it has been forged. When the profiled roller is associated with a plain counter roller, the latter may be heated to a higher temperature than the profiled roller and the web fed into contact with the counter roller prior to forging. When the counter roller is a profiled roller both rollers may be heated, the counter roller being maintained at a higher temperature than the profiled roller and having a less depth of relief in the profile. The discrete filaments formed by the longitudinal splitting of the web may be annealed prior to being wound into packages. The film web may be preformed, fed from a storage reel and passed under a constant tension and in a flat stress-free condition to be preheated to a temperature suitable for the forging of the web.
Patent GB-174487-A (GB)
Title: Improvements in miners' electric safety lamps
IPC: F21L4/00
Filed: 1920-11-20
Abstract: 174,487. Ford, A. P. Nov. 20, 1920. Magnetically - operated fastenings.-A magnetic lock applied to the. screw-threaded base b of the battery chamber of a miner's electric safety lamp comprises a recess l in the screw-threaded part of the base and a spring m fixed at one end to the battery casing a, its other end d being pressed into the recess l by a magnetic bolt o, the pressure of which can be relieved by a magnet sufficiently to allow the spring to be forced out upon turning the base.
Patent GB-1032915-A (GB)
Title: Improvements in cutting machines for trimming edges of lawns
IPC: A01G3/06
Filed: 1963-08-20
Abstract: 1,032,915. Edge trimmers. V. T. LEGGE. Aug. 20, 1964 [Aug. 20, 1963; Sept. 17, 1963; Dec. 19, 1963], Nos. 32912/63, 36466/63 and 50189/63. Heading A1F. A machine for trimming the edges of lawns comprising a trimming device 11 of the type described in Specification 966,428 has a frame consisting of transverse bars 15, 16 and longitudinal bars 20, 21. The wheels or rollers 35-37 of the machine are mounted on inverted U-shaped members, e.g. member 39 (Fig. 3), which are pivotably mounted on a longitudinal shaft 42. Hence the machine may be kept horizontal regardless of the slope of the lawn. The member 39 may be prevented from pivotal movement by a locking device 44 which comprises a pair of arms 47 which snugly engage the outer sides of the member 39 and a cross-bar 48 which engages the rear edges of the member. The trimming device is pivotally movable about a shaft 28 driven by an internal combustion or electric engine via belt and pulley mechanisms, and comprises a casing 24, a cutter 25 driven from the shafts 28 via belt 26, and a scraper 62 mounted on the casing and extending forwardly of the cutter. The operative depth of the cutter may be adjusted by adjustment of roller 22. In an alternative embodiment the scraper 70 (Fig. 6) is supported on an articulated arm 73, and may be locked in either of the positions shown by a member 77 which is slidable along the arm over the articulation. The scraper is retained in its inoperative positon by the toe portion 82 of the member 77. The machine may also include a horizontal cutter connected directly to the shaft, which cutter is mounted on the casing. Alternatively the horizontal cutter 89 may be mounted in a frame including rollers 107, 108 (Fig. 11), which frame is pivotally connected to the casing by arm 102. The cutter in this latter embodiment is driven by the cutter shaft 85 via a sprocket and chain mechanism. The frame may be locked in a particular position relative to the cutter casing 24 by an adjustable device 109. The machine may be propelled manually or may be driven by the engine, the drive being transmitted to the front wheel via a belt and pulley mechanism.
Patent GB-432675-A (GB)
Title: Improvements in or relating to the manufacture of floor or the like covering material in the form of slabs, long lengths, or mats from vulcanizable material
IPC: B29C35/02
Filed: 1934-11-16
Abstract: 432,675. Vulcanizing long lengths &c. KOOPERATIVA FORBUNDET, FORENING U.P.A., 9, Katarinavõgen, Stockholm. Nov. 16, 1934, No. 33006. Convention date, Nov. 17, 1933. [Class 70] In the manufacture of floor or like covering material in the form of slabs, long lengths or mats from vulcanizible material, the material is advanced between and by means of two endless bands driven at the same or approximately the same speed to a vulcanizing apparatus to be shaped between the bands under pressure and at the temperature necessary for vulcanization, the bands being guided over drums, guide rollers and/or other guiding members while bearing on the material, whereupon the shaped material is cooled between the bands while maintaining the same or approximately the same pressure on the material as that exerted during the vulcanization process and while the bands are guided over separate cooling drums, guide rollers or other cooled guiding members. The process may be carried out in the apparatus shown in which the material is advanced between two endless bands 5, 6 over rotatably mounted drums 1, 2 which are provided with inner, preferably annular, spaces for heating and cooling them respectively. The band 5 is guided by a guide roller 7 and the band 6 by guide rollers 7, 9, 10, 8 as shown ; the rollers 7, 9 may be arranged as tensioning rollers for tensioning the bands 5, 6 respectively. The guide roller 8 is vertically adjustable to control the entry space. The drums 1, 2 are also adjustable relatively to each other and are preferably so adjusted that the bands 5, 6 immediately pass over from the surface of the heating drum to that of the cooling drum. The drum 1 may be directly driven by an electric motor 31, the friction produced by the tension of the bands 5, 6 being sufficient to cause the bands and the intermediate material to be driven without other driving members. The material to be vulcanized may be in the form of slabs, long lengths, &c., or it may be in a disintegrated form, e.g. a mixture of finely divided cork and rubber. When the material is in disintegrated form a layer thereof is deposited on the band 5, which is supported by a table 11, from a hopper 12 having an adjustable outlet 14, the layer then passing under smoothing rollers 16 covered with bristles and then under a packing roller 17. In order that the material shall not come into direct contact with the bands 5, 6 other bands 18, 19 of paper, fibre, pasteboard, tarred paper &c., may be run from rolls 20, 21 respectively to cover the opposing surfaces of the bands 5, 6 respectively; when the material has been vulcanized one or both of the protecting bands may be removed, if necessary by grinding.
Patent GB-1181100-A (GB)
Title: Polyoxyperfluoromethylene Compounds
IPC: C08G65/00
Filed: 1967-07-18
Abstract: 1,181,100. Polyoxyperfluoromethylene compounds. MONTECATINI EDISON S.p.A. 18 July, 1967 [19 July, 1966], No. 33041/67. Heading C2C. [Also in Divisions C1 and C3] Polyoxyperfluoromethylene compounds of the formulµ CF 3 O-(CF 2 O) n COF or CF 3 (CF 2 O) n  CF 2 COF where n is a number from 0 to 100, are obtained by reacting perfluoropropylene with molecular oxygen in the gas phase, in a molar ratio of 2 : 1 to 1 : 10, under a pressure of 0À05 to 10 atm., at - 50‹ to +350‹ C. in the presence of ozone. The ozone may be generated in situ by irradiation of the reaction system with electromagnetic radiation having a wavelength less than 3300 Š, e.g. ultra-violet, γ- or X-radiation. Trifluoroacetyl fluoride may be produced as a by-product.
Patent GB-445021-A (GB)
Title: Improvements in or connected with boxes or containers
IPC: B65D43/20
Filed: 1935-11-30
Abstract: 445,021. Boxes. MAGNUS, H. F., 79, Fore Street, London. Nov. 30, 1935, No. 33256. [Class 18] A box is provided with two compartments A, B one of which is closed by a flexible shutter 9 and the other has a drawer 7 slidable therein and so connected to the shutter that as the drawer is pulled out the shutter is moved to uncover its compartment. The shutter preferably comprises a piece of canvas to which are secured strips 9<a> of metal. As applied to boxes for cigarettes, a metal plate 13, having grooves 13<a> secured by a bar at one end and held at its rear end by projections 16 on a L-shaped plate 16<a>, may be provided in each compartment. In a vanity case, the upper compartment may receive cosmetics and a lip-stick, and the drawer may contain powder ; a mirror 23 may be hingedly connected to the rear of the drawer 7 so as to rest by spring means against the front wall of the case when the drawer is opened.
Patent GB-972598-A (GB)
Title: Improvements in or relating to dish washing machines
IPC: A47L15/23
Filed: 1963-08-22
Abstract: 972,598. Dish washing machines. G. S. BLAKESLEE & CO. Aug. 22, 1963 [Jan. 14, 1963], No. 33327/63. Heading A4F. A dish washing machine for domestic use comprises an upper washing compartment containing spray means of known type, and a sump 15 bolted to the bottom wall 12 of the washing compartment. A slidably mounted drain tube 21 seats on a valve seat 26 in a sleeve 22, provided with drainage openings 49, and thereby closes the interior of the sump 15 from a drain opening 27. A guide rib 30 welded to the tube 21 is slidable through a corresponding notch in a guide bracket 19 of inverted U-shape overlying an opening 13 in the bottom wall 12 of the washing compartment. The drain tube 21 is movable between its closed and open positions by a manually operable cam mechanism 31, 32, 39. The pump impeller chamber 50 has an opening 51 into the sump chamber and an opening 54 which receives the flange 53 of a bracket 52 on which is mounted a motor 60. The motor shaft 59 is connected by a key and set screws to a coupling sleeve 58 fixed to a stub shaft 57 which carries the impeller rotor 65 and which passes through a sealing assembly 56. The impeller 65 is rotated counterclockwise as viewed in Figure 5, to draw liquid from the sump 15 and discharge it through the spray means. The opening 51 in the impeller chamber 50 receives a tapered suction ring 75 having at its inner end a bevelled shoulder 76 and two inwardly extending ribs 77 which suppress any vortex which might otherwise occur. A locating and supporting rod 78 extends from a cover plate 35 into an opening 37 in the sump wall 36 and passes through a hole in one of the ribs 77. On removal of the cover plate 35 the rod 78 is withdrawn to allow removal of the suction ring 75. By releasing the set screws holding the sleeve 58 to the motor driving shaft 59 and set screws 62a holding the sealing means 56 to the sleeve 55, the impeller with the stub shaft 57 and the sealing means 56 may be withdrawn from the sump through the openings 51 and 37. The front wall of the washing compartment is provided with means whereby the level of the liquid in the compartment may be observed. The side wall 82 of the sump 15, Fig. 4, is provided with an opening 83 through which may be mounted suitable means for heating the water or solution used in the machine, e.g. an electric immersion heater or a steam injector. A drain cup 46, welded to the drain tube 21, disposed at the liquid level in the washing compartment, permits the flow of excess liquid and entrained food particles into the upper end of the drain tube 21 and thence to the outlet opening 27, a cover 47 preventing entry of articles which might block the tube. A nipple 89 is provided at the bottom of the impeller chamber 50 to drain the chamber below the opening 51 when the sump has been drained. After draining the dishes are rinsed by a rinse spray means, not shown.
Patent GB-624777-A (GB)
Title: Improvements in or relating to stator casings for compressors and like machines
IPC: F01D25/24
Filed: 1946-11-11
Abstract: 624,777. Turbine & compressor stators. POWER JETS (RESEARCH & DEVELOPMENT), Ltd., and ROESCH, G. H. Nov. 11, 1946, No. 33430. [Classes 110(i) and 110(iii)] The stator of an axial-flow air compressor, or elasticfluid turbine is composed of a number of individual rings between which the roots of the stator bladings are clamped. The adjacent faces of the rings 10 may be provided with annular recesses 11 to receive flanged roots 13a. The bolting flange 10a of one ring may have an extension 10c overlying the flange 10b of the other ring. Other forms of root may be used. The blades may be cut from a pre-formed bar and root pieces cast about them. Several blades may be united by a segmented root piece. Specification 608,514 is referred to. Reference has been directed by the Comptroller to Specification 608,514.
Patent GB-329336-A (GB)
Title: Improvements in and relating to the control of electric motors
IPC: B60L15/04
Filed: 1928-11-15
Abstract: 329,336. British Thomson-Houston Co., Ltd., (General Electric Co.). Nov. 15, 1928. Master control systems.-In a master control system, after the line-breaker LB and series switch S are closed, an electromagnetically controlled pneumatically operated cam-shaft closes contactors 49 to 59 in a sequence fully set out in the Specification, opening them as succeeding ones close until full series position is reached. Thereafter transition is effected by closing switches P and H and opening switch S, the motors then being in parallel with full resistance in circuit. Thereafter the cam-shaft is driven backwards, operating the contactors in the reverse order until the initial position is attained with contactors 49 and 55 closed, which position is now the full parallel position. The control circuit includes a switch 14 for energizing an overload relay closing coil and thereafter the master controller 21, which has reversing segments 32, 33 co-operating with segments on the reverser 22. Position 35 of the master controller causes throwing of the reverser if necessary, closure of the line-breaker and series switch and the energization of a holding-coil 29 which prevents movement of the cam-shaft, and thus gives the first or non-automatic running position. Position 36 gives acceleration to the full series position under control of an accelerating relay 23, and position 37 gives transition and acceleration to the full parallel position. The actuation of the cam-shaft is as described in Specification 11658/15, and function is similar to that described in Specification 188,471 for a motordriven screw-shaft cutting out resistance in the series position and then reversing its motion in the parallel position.
Patent GB-1036096-A (GB)
Title: Improvements in or relating to molded pulp articles
IPC: B65D85/32
Filed: 1963-08-23
Abstract: 1,036,096. Moulded cartons. DIAMOND NATIONAL CORPORATION. Aug. 23, 1963 [Feb. 14, 1963], No. 33481/63. Heading B8P. A moulded pulp egg carton has a cellular bottom section 12, a hinged lid 20 having two apertures 28 in the depending wall 24, and a lock flap 18 having two lock buttons with a rigid bar 40 extending therebetween, which buttons releasably engage said apertures. The lock flap is reinforced by ribs 42-50 disposed below the lock buttons. Between the ribs 42, 44 and ribs 50 are disposed fillet portions 52, 54 respectively which, when the carton is closed, engage a stop 56, thus causing the lid 20 and lock flap 18 to snap-lock together.
Patent GB-211278-A (GB)
Title: Improvements in and relating to means for supporting the tone arms of gramophones and the like
IPC: G11B3/20
Filed: 1922-12-08
Abstract: 211,278. Gay, A. H., and Gay, C. F., (trading as Tretone Separaphone Co.). Dec. 8, 1922. Tone-arm joints; tone-arms, resiliently supporting.-A tone-arm 10 is pivoted by horizontal pivots 11 to move vertically in a ring 8 which is mounted to rotate in an horizontal plane on a base block 1, the ring being formed with a stirrup 12 which is supported by point contacts 7 on a suitable bracket 5. The ring and block are of sound insulating material or are of metal lined or bushed with insulating material. As shown, the ring 8 has a flange fitting a recess 2, Fig. 3, in the block 1. An adjustable spring support for the tone-arm comprises two helical springs 14 and a screw coupling 15.
Patent GB-1219868-A (GB)
Title: Sealing washer units
Inventor: WAGNER DAVID PRUGH
IPC: F16B43/00
Filed: 1969-07-03
Abstract: 1,219,868. Washers; seals. ILLINOIS TOOL WORKS Inc. 3 July, 1969 [11 July, 1968], No. 33595/69. Headings F2B and F2H. A sealing washer unit 14 comprises an annular rubber-like sealing washer 20 and a relatively rigid annular washer 22 having a flange 30 complementary to and positioned in a recess in the sealing washer, the washer 22 having a shoulder 34 which overlies a portion of the sealing washer to counteract radial, outward displacement of the sealing washer when the washer is clamped against a workpiece 40 by a screw head 16. The screw head may be covered with a cap 48f of plastics or fibrous material which is integral with the washer 22f. A number of modifications of the shapes of the two washers are described. The washer 22 may be formed of metal, plastics or fibrous material.
Patent GB-823696-A (GB)
Title: Process for the production of organoaluminium compounds
IPC: C07F5/06
Filed: 1955-11-23
Abstract: The process of the parent Specification is modified by using the halogen binding metal in finely dispersed form preferably in an inert organic liquid such as ethyl or isopropyl cyclohexane (hydrocumene). Specification 817,632, [Group IV (a)], also is referred to.
Patent GB-949504-A (GB)
Title: Improvements in or relating to stands for continuous stationery assemblies
Inventor: GOREHAM PETER ERNEST
IPC: B41J11/58
Filed: 1960-09-30
Abstract: 949,504. Typewriters. LAMSON PARAGON Ltd. Sept. 7, 1961 [Sept. 30, 1960], No. 33671/60. Heading B6F. A stand for continuous stationery for a typewriter comprises a framework with a series of holes 3 for the adjustable positioning of rods 4 that support infeed and outfeed trays, and a feed-plate 12. The infeed tray with a pile of stationery 18 is clipped on the rods 4 by U-shaped clips. Stationery is fed over a roller 14 on the underside of the feed-plate 12 to the typewriter from where it is led over the feed-plate 12 to the outfeed tray. The feed of the framework are adjustable.
Patent GB-1367224-A (GB)
Title: Sodium aluminium diethyl dihydride solutions
IPC: C07F5/06
Filed: 1972-07-19
Abstract: 1367224 Sodium aluminium diethyl dihydride solutions ETHYL CORP 19 July 1972 33785/72 Addition to 1303500 Heading C2J A reducing agent composition comprises a solution of sodium aluminium diethyl dihydride in a liquid alkyl benzene such as toluene, a xylene, mesitylene, a cymene, cumene, an ethyltoluene, a diethylbenzene, butylbenzene, sec-butylbenzene or tert-butylbenzene. A particularly preferred composition comprises 20- 25% by weight of the dihydride in xylene.
Patent GB-1141070-A (GB)
Title: [3,2-c]pyrazolo-steroids
IPC: C07J75/00
Filed: 1966-07-27
Abstract: 1,141,070. [3,2-c]Pyrazolo-steroids. MERCK & CO. Inc. 27 July, 1966 [30 July, 1965], No. 33800/66. Heading C2U. Steroids of the formulµ and their #<SP>4</SP> and #<SP>4,6</SP> analogues (wherein R 1  is H or #-OH or keto; R 2  is H, α-CH 3  or α-F; R 3  is H, α- or #-CH 3  or =CH 2 ; R 4  is H, Cl, F, OH, O acyl or OPO(OH) 2  or an alkali metal salt thereof; R 5  is H, alkyl, cycloalkyl, aryl aralkyl, or heterocyclic, which may be substituted; and X is H or, when R 1  is other than H, is F) and their salts, which are novel except for those compounds wherein R 1 , R 2  and R 3  are each H and R 5  is H or alkyl, are prepared (when R 4  is OH) from the corresponding 20-hydroxypregnan-21-als by treatment with an alkali metal bisulphite and then an alkali metal alkoxide in a C 1-6  alkanol. The starting materials are in turn prepared from the corresponding 17x,21 - dihydroxy - 20 - keto - pregnane 21-(C 1-6  alkanoates) by treatment with a mineral acid in a C 1-6  alkanol to form the corresponding 17α - unsubstituted - 20 - ketopregnan-21-al dialkyl acetals, reducing these to the corresponding 20-ols and hydrolysing the acetal grouping. The compounds wherein R 4  is other than OH are prepared from the 21-ols by standard procedures, compounds wherein R 5  is H being protected as the N-carbamyl derivatives and the protecting group being subsequently removed by treatment with nitrous acid. The pyrazolo-steroids of the invention, which are stated to be anti-inflammatory agents, especially effective for the treatment of topical inflammations, may be made up into pharmaceutical compositions with suitable carriers.