baber/WOPTO huggingface dataset:
Patent GB-182768-A (GB)
Title: Improvements in an asynchronous induction electric machine
IPC: H02K17/12
Filed: 1922-04-20
Abstract: 182,768. Martinetto, V. July 2, 1921, [Convention date]. Alternating-current induction machines. - For regulating the starting torque and current, speed and power factor of asynchronous induction motors and generators, the primary and secondary end connections have a common magnetic path of low and variable reluctance and the fields of the end connections are made relatively asymmetrical by a controllable amount. In the form shown in Fig. 1, the transverse fields due to the end connections 13, 14 are completed through the casing 2, and caps 3, 4 and rotating cylinder 11, all of which are made of magnetic material. The cylinder supports the secondary core 10 and is slotted' axially. The asymmetry of the end fields may be varied by forming the secondary windings, or preferably the primary windings as shown in Fig. 4, in two groups, the end connectors 16a, 16<b>, 16<c> and 17<a>, 17<b>, 17<c> of which are turned in opposite directions. The number of bars per slot in each of these windings is half that of the secondary winding 14, so that the fields in the air-gap are produced by one primary and two secondary turns, and the field interlinked with both primary and secondary end connectors are produced by one primary and one secondary turn, as indicated respectively by the full dotted lines x, y in Fig. 2. The current or number of effective turns in the regulating winding 17 is varied by coupling the winding 17 inductively to the winding 16 through a transformer of adjustable ratio or, as shown in Fig. 5, by tapping the winding 17 from the winding 16 and connecting it in, with star formation, at a predetermined current by means of a magnetic switch 33 controlled by the current in one limb of the winding 16. Or, as shown in Fig. 7, the number of turns in the winding may be varied by direct tappings. Fig. 8 shows a circular winding 28 magnetically linked with the primary end connectors 15 and closed through an adjustable resistance 29 for controlling the magnitude and phase of the end fields. Alternatively, the reluctance of the magnetic circuit of the end connections may be mechanically varied. Fig. 9 shows a machine, particularly adapted for speed control, in which two pairs of laminated stationary primary and rotating secondary cores 1, 10 are employed, the transverse magnetic circuit of the end connections 13, 14 between the inner ends of the cores being completed through the frame 2, cores 1, 10, and the cylinder 11. The value and phase of the end fields between the cores are controlled by varying the current in either core or by displacing one core with respect to the other.
Patent GB-491262-A (GB)
Title: Improvements in piston rings
IPC: F16J9/20
Filed: 1937-04-21
Abstract: 491,262. Piston rings. WENZEL, A. W. April 21, 1937, No. 11371. [Class 122 (i)] A compression or scraper ring comprises a number of laminations between which are annular recesses 23 spaced from the ring periphery for distribution of lubricant, and annular recesses 24 open at the ring periphery for collecting excess cylinder lubricant. The recesses 24 are shaped as shown to provide scraping edges and the recesses 23 may decrease in depth toward the ring ends. Further annular recesses may be provided in the outer faces of the outer laminations and one or more of the laminations may be bevelled or rounded at 26 on the upper outer periphery. Radial passages may be provided for connecting the recesses to inner periphery of the ring. In compression rings the lower outer edge of the bottom lamination may be bevelled. An annular projection 41, Fig. 4, on one ring may engage a groove in the other, the inner periphery of the ring being arcuate and engaged by a spring expander 38. The projection may be replaced by a separate element inwardly or outwardly tensioned and engaging coaxial recesses in the laminations. An expanding element 52, Fig. 8, may have. a bevelled periphery for pressing the laminations apart. In a further form, the land between two ring grooves is stepped, Fig. 9, and the co-operating laminations similarly shaped.
Patent GB-731569-A (GB)
Title: Improvements relating to apparatus for cleaning ball or roller bearings
IPC: C23G3/00
Filed: 1953-04-24
Abstract: 731,569. Cleaning bearings. HONEY, A. G., and MEECH, J. R. RADINGTON-. April 14, 1954 [April 24, 1953], No. 11385/53. Class 12 (1). In apparatus for cleaning bearings, the bearings are disposed within a tank 2 on stubs 5 through which streams of cleaning liquid are directed into the bearings. The stubs 5 are mounted on pivoted arms 6, and the bearings are rotated by being spring-pressed into contact with a central frictional driving roller 11. Each stub 5 has a central hollow portion 9 and a number of circumferentially spaced radial bores 10. The roller 11 is mounted on a shaft 13 which is driven through reduction gearing by a motor 17. A pump 19, also driven from the motor 17, delivers cleaning liquid under pressure through a pipe 20 and flexible pipes 21 to the stubs 5. The liquid returns to a reservoir 23 through a drain 22. The whole apparatus is mounted in a housing 1. The cleaning liquid may be paraffin.
Patent GB-650277-A (GB)
Title: Improvements in or relating to the projection of kinematograph film
IPC: G03B35/00
Filed: 1948-04-26
Abstract: 650,277. Stereoscopic kinematography. WRIGHT, W. I. April 26, 1948, No. 11444. [Class 97 (i)] A stereoscopic effect is produced by projecting simultaneously or in rapid succession at least two frames in spaced relationship on a standard non-stereoscopic film, changing the projected frames at the rate at which the film is intended to be non-stereoscopically projected and arranging that each eye of viewer sees a different projected frame. As shown in Fig. 1, the gate 18 accommodates at 24, 29 two adjacent frames illuminated through polarising filters 22, 23 with their axes at right angles. The transmitted light beams are reflected by prisms 25, 27 through objectives 26, 28. The filter assembly may be rotated through 180 degrees at each film shift so that each frame is always projected through the same filter. The spectators have polarizing spectacles in which the planes of polarization of the screens before the two eyes are at right angles. Colour filters may be used instead of polarizing filters. Another method of presenting images of different frames to the two eyes of a viewer is shown in Fig. 2. A double gate 24, 29 is used as before, with erecting prisms 30, 32 before the prisms 25, 27 and objectives 26, 28 as before. The objectives and the remainder of the system are shown in perspective at the right of the Figure. Double-sided mirrors 31, 33 are arranged at right angles on a vertical spindle rotated through 90 degrees by a Maltese Cross mechanism at each film shift. The beam from each objective is thereby projected alternately on to mirrors 34, 35 past a line screen 37 separated by a small distance from a translucent screen 36 on which are thereby projected alternate strips from the two film frames. An image of the screen 36 is then projected on to the lenticular viewing screen 39 by an objective 38.
Patent GB-617154-A (GB)
Title: Gearing transmission of variable ratio
IPC: F16H37/08
Filed: 1945-05-05
Abstract: 617,154. Change-speed gearing. S.A.T.A.M. SOC. ANON. POUR TOUS APPAREILLAGES MECANIQUES. May 5, 1945, No. 11494. Convention date, Nov. 5, 1942. [Class 80 (ii)] In a variable ratio transmission gear including a driving shaft a, a driven shaft b and at least ten pinions forming a cluster c fixed on the driving shaft a, a plurality of tumbler pinions 11, 21, p1, n1, &c. are adapted to mesh selectively each with one pinion of said cluster c, and each to drive associated intermediate partial transmission gears 12 ... 15, 22 ... 25, p2 ... p5, n2 ... n5, &c. of predetermined ratio, the motions of said transmissions being compounded by means of a plurality of differentials 7, 16, 17; 17, 26, 27; (p-1)7, p6, p7: (n-1)7, n6, n7: &c., the sun-wheel 7 of the first differential 7, 16, 17 being driven from the driving shaft a through gears 1 ... 4. The largest of the pinions in the cluster c has a number of teeth less than nine times the number of teeth on the smallest of said pinions. The tumbler pinions may be meshed selectively with any one of the pinions of the cluster c by mounting the pinions, e.g. p1, p2 on a carriage slidable on shaft p3 and spring urged to keep pinion p1 in engagement with the cluster, the carriage being operated by screw-and-nut gearing.
Patent GB-1461572-A (GB)
Title: Web guide sysstems
IPC: B65H20/10
Filed: 1973-03-09
Abstract: 1461572 Feeding webs MASSON SCOTT THRISSELL ENG Ltd 8 March 1974 [9 March 1973] 11557/73 Heading B8R The leading end of a web is threaded through apparatus comprising feed rollers, suction conveyer bands, and the like web engaging elements by pressurized air, exhausting from arrays of jets symmetrically arranged on both sides of the web path, arrays being convergent in the direction of web feed. The elements may comprise, in succession, unwinding rollers (2), Fig. 1 (not shown), a curl corrector (3), an inspection device (4), a tension control device (5), feed rollers (6), and cutter rollers (7) which cut the web into sheets. One form of array is shown in Fig. 2 and comprises orifices 15 in curved members 13, 14, the orifices being inclined to different extents towards the web feed direction and non- uniformly spaced. The members 13, 14 may be formed by butting together grooved wedge-like elements to form ducting or by attaching nozzles to support plates. The air may be ionized to counteract electrostatic charges on the web. The members may be removed after threading. The web may additionally be supported by the Bernonitter effect.
Patent GB-1048879-A (GB)
Title: Improvements in or relating to an angle bar suitable for supporting ceiling or wall panels
IPC: E04B9/30
Filed: 1964-03-19
Abstract: 1,048,879. Wall and ceiling linings; clip fastenings. HUNTER DOUGLAS INTERNATIONAL (QUEBEC) Ltd. March 19, 1964 [March 19, 1963], No. 11626/64. Headings E1V and E2B. An edging strip 1 for a false ceiling or wall construction, and for use, e.g., with the supporting device of Specification 968,750, is basically of angle section, with flanges 2 and 3, the flange 2 having a turned back rim 5 with tongues 6 punched out of it to grip the troughshaped panels 8, and the flange 3 having a turned back rim 4. Where the strips 1 meet the end of a support rail 10, the tongues 6<SP>1</SP> are bent up to avoid the rail.
Patent GB-148654-A (GB)
Title: Improvements in and relating to studs, solitaires and the like
IPC: A44B1/34
Filed: 1919-05-09
Abstract: 148,654. Rosher, C. H., Hird, G. F., and Osborne, F. W. May 9, 1919. Studs.-In a stud having a removable head and an auxiliary base between which and the main base the material is received to prevent loss of the stud, the head member comprises a head 1, Fig. 5, hollow shank 2 having an enlarged recess 4 and carrying the auxiliary base 3, the mouth 10 of the hollow shank being flared. The base member comprises a main base 6 and a bifurcated springy stem 7 having an enlarged end 8 adapted to snap into the recess 4 to lock the parts together. In a modification, Fig. 14, the head 12 has a bifurcated stem 14 and the base 18 has a hollow stem 19 with enlargement 20 into which the end of the stem 14 snaps. The auxiliary base 16 is carried by a sleeve 17 which fits over the hollow stem 19.
Patent GB-1159532-A (GB)
Title: Phenethylamine salts
Inventor: LEROI EUGENE
IPC: A61K31/13
Filed: 1967-03-13
Abstract: 1,159,532. Phenethylamine salts. SOC. D'ETUDES DE PRODUITS CHIMIQUES. 13 March, 1968 [13 March, 1967], No. 11720/67. Heading C2C. Novel phenethylamine salts of the general formula wherein R is CH 3 CH- or -CH 2 CH 2 -, R<SP>1</SP> is H or CH 3 , A- is an anion of (d,l)-2-oxo-bornane- 10 - sulphonic acid, (d) - 2 - oxo - bornane 10- sulphonic acid, guaiacylacetic acid, salicylic acid, O-acetylsalicylic acid or malic acid, and n is an integer equal to the number of carboxylic or sulphonic acid groups in the acid HA, are prepared by reaction of the appropriate acid and phenethylamine in a solvent. Pharmaceutical compositions having antiinflammatory, virostatic, virolytic and carcinostatic activity comprise, as active ingredient, a a phenethylamine salt of the above general formula, in admixture with a therapeutically acceptable diluent or carrier, and may be administered in the form of powders, creams, aerosols or drops for topical application, tablets or capsules for oral administration, or suppositories or solutions for parenteral administration.
Patent GB-1385905-A (GB)
Title: Aerial arrangements
IPC: G01S7/03
Filed: 1971-04-28
Abstract: 1385905 Aerials; Doppler radar EMI Ltd 17 May 1972 [28 April 1971] 11752/71 Headings H4A and H4D In an aerial arrangement having transmitting and receiving aerials which are coupled to Doppler radar means, each aerial comprises at least one resonant slot in a conductive layer on one side of a sheet of dielectric material, and components of the Doppler radar means are formed as patterns of microstrip conductors on the other side of said sheet. One of said microstrip conductors is disposed transversely to the centre line of each slot, and is terminated in one direction beyond said slot, to effect electromagnetic coupling. Impedance matching may be obtained by moving a said microstrip conductor in a direction which is parallel to the centre line of its associated slot. As described, an arrangement comprises a transmission aerial array of four slots 5, Fig. 7, which are formed in a ground plane conductor on the lower face of a dielectric substrate 1, and which are fed cophasally from a strip conductor 3 by limbs 4 on the upper face of said substrate. The arrangement also comprises a similar receiving aerial array of four slots 6. The strip conductor 3 is continued by strip conductors 20, 19 to a quarter-wave Gunn-effect diode source line resonator 27, which receives power from a conductive pad 30. The receiving array is connected through a microstrip filter 13 to a coupling device B, which also receives power from the diode source 27. Output from the device B is coupled to a mixer diode 22, which receives bias from a pad 28 via a strip 23. Output at Doppler frequency is available at a conductive pad 29. Tuning adjustment of the oscillator may be achieved by mechanical abrasion of circuit strips, or by proximity effect means. Various constructions of the coupling device B are described, associated with either one or two mixer diodes (Figs. 3 to 6, not shown). The shape of the radiation diagram of an array of slots of the kind described may be modified by suitably locating the slots in the ground plane (Figs. 2(a) 2(e), not shown), and a conducting reflector plate may be provided near the substrate 1.
Patent GB-981439-A (GB)
Title: Electromagnetic axially reciprocating motors or generators and armatures therefor
Inventor: TRENCH ANTHONY BARCLAY
IPC: H02K33/06
Filed: 1962-03-27
Abstract: 981,439. Reciprocating motors and generators. TRENCH ELECTRIC Ltd. March 27, 1962, No. 11768/62. Heading H2A. An armature for an axially reciprocating electromagnetic motor or generator comprises a permanent magnet 17 surrounded by an electrically conductive non-magnetizable member 19 which provides a short-circuit path for any current induced in the member by virtue of its movement in a magnetic flux. In one embodiment, the armature comprises a number of such magnets 17 each separated by polepieces 18, and is held in position in the stator by springs 25, having a resonant frequency the same as the oscillating frequency, which allow axial movement in either direction. The stator is provided with coils 14 and has a number of gaps 16, one associated with each coil compartment, to give flux paths of higher reluctance than the remainder of the path through the stator.
Patent GB-1104590-A (GB)
Title: Sequentially-actuated fluid control valve construction
IPC: G05D23/12
Filed: 1966-03-17
Abstract: 1,104,590. Valves. ROBERTSHAW CONTROLS CO. 17 March, 1966 [19 March, 1965], No. 11814/66. Heading F2V. In the absence of control pressure in a chamber 120 a main spring 124 urges a pistondiaphragm 122 into the upper position shown whereupon a shoulder 102 on a valve shaft 96 engages a first loose-sleeve 106 and cause it to pass through a seat 52 and gradually open a first obturator 76 by telescoping it into a bore 68 against a spring 116 so that an inlet 40 is connected to an outlet 44 via a first chamber 36. Application of a control pressure to chamber 120 results in gradual lowering of the shaft 96 and closure of obturator 76 by its spring 116. Continued movement of the piston-diaphragm firstly takes up the lost-motion between a second shoulder 104 on the shaft 96 and second loosesleeve 108, and then the latter passes through a seat 58 and gradually opens a second obturator 88 by telescoping it into a bore 70 against a spring 118 so that a second inlet 42 is opened to a second outlet 46 via a chamber 38. The obturators 76, 88 are balanced because the closure surfaces thereof are of larger diameter than the seats and a slit 110, 112 in each sleeve 106, 108 communicates the pressures in chambers 36, 38 to bores 68, 70. Each obturator has a resilient facing 82, 94 which is secured to the obturator periphery only so that the central portions are free to move under their natural resilience. The loose-sleeves are shaped to provide a predetermined flow through the associated obturator seats 52, 58.
Patent GB-527981-A (GB)
Title: Improvements in reversing gearing for agricultural machines
IPC: A01D78/14
Filed: 1939-04-19
Abstract: 527,981. Reverse gearing for agricultural machines. BAMFORD, C. J., and BAMFORD. H. V. April 19, 1939, No. 11828. [Class 80 (ii)] On an agricultural machine, in which the land or crop engaging tools are driven by the wheels, a reversing gearing is provided which comprises a bevel gear 22 with radial teeth on the driving shaft 10 and skew bevel wheels 20, 21 loose on a shaft 13 crossing the shaft 10. The shaft 13 carries an agricultural tool, such as a rake 14, and a clutch member 27. The latter is splined to the shaft 10 and has clutch teeth 25, 26 at its ends which can engage teeth 23, 24 on the gears 20, 21 respectively. The clutch member 27 may be moved by a lever 34 which engages a saddle member 31 on the clutch 27. The gearing is enclosed in a casing 11. Specification 520,203, [Group I], is referred to.
Patent GB-1074611-A (GB)
Title: Aqueous dispersion of synthetic polymers
IPC: C09J123/34
Filed: 1965-03-19
Abstract: An adhesive composition comprises an aqueous dispersion of a chlorosulphonated polyethylene and a phenol-aldehyde resin, e.g. a resorcinol-formaldehyde resin.  Optionally, the resin may be prepared in situ in the latex of the chlorosulphonated polyethylene, as illustrated in examples wherein zinc oxide is also present. The compositions are used for coating polyamide or cellulosic substrates (e.g. nylon or rayon cord or fabric), whereby sulphur-curable olefine copolymers may be adhered thereto by curing while in contact with the coated substrates. The bonded products find application as tyres, belts and tarpaulins.ALSO:Polyamide or cellulosic substrates, e.g. nylon or rayon fabric or cord, are coated with an adhesive composition comprising an aqueous dispersion of a chlorosulphonated polyethylene and a phenol-aldehyde resin, e.g. a resorcinol-formaldehyde resin.  The resin may be prepared in situ in the chlorosulphonated polyethylene latex and zinc oxide also may be present.  The coated substrates may be bonded to sheets of elastomeric polyolefins.
Patent GB-148015-A (GB)
Title: An improved hame clip applicable to hames and traces
IPC: B68B3/04
Filed: 1919-05-12
Abstract: 148,015. Burke, M. May 12, 1919. Fastening.-A tug in which the strap connexions are not liable to be pulled out is constructed with a one-piece metal strap 1 having overlapping ends 7, 8, and an eye 2 for connexion with the hames. The strap is slotted at 4 for the passage of a buckle tongue 6. A leather strap 9 bent back at 10 is secured to the buckle and is clipped between the parallel members of the metal strap. A covering-strap 12 is provided. The parts are secured together by rivets 16, 21, 25, as shown, and by lines of sewing through straps 9 and 12 which are made wider than the metal strap for this purpose. The parts may be temporarily pressed together before riveting.
Patent GB-527798-A (GB)
Title: Process for the manufacture of therapeutically employable preparations of vitamin k
Filed: 1939-04-20
Abstract: 527,798. Vitamins. ROCHE PRODUCTS, Ltd. April 20, 1939, No. 11929. Convention date, May 11, 1938. [Class 2 (iii)] A chromatographic adsorbate of vitamin K is eluted with a non-alcoholic liquid solvent such as a hydrocarbon, halogenated hydrocarbon, ketone, ether, or ester, carbon disulphide or dioxane or by aqueous solutions of emulsifying and stabilizing agents such as salts of organic acids, especially fatty acids, or of bile acids, sulphonic acids or sulphonated higher alcohols. For the elution the same solvent may be used as was used to dissolve the initial material. In an example, dried lucerne is extracted with petroleum ether and the solution is treated in one or several columns of barium or calcium sulphate, the yellow-zones being eluted with petroleum ether and the process may be repeated with a final elution with acetone : the acetone solution is allowed to stand, at 0‹ C., a crystalline inactive material being separated, and the solution is diluted with acetone to 3 per cent and cooled with solid carbon dioxide to freeze out a less active portion ; on evaporation a yellow oil is left which is fractionally distilled at 10-<SP>3</SP> mm. pressure. The fraction distilling at 110-140‹ C. being collected separately ; the concentrate may be melted with desoxycholic acid and dissolved in sodium carbonate solution.
Patent GB-474238-A (GB)
Title: Improvements in or relating to joint-washers or gaskets
IPC: F16J15/46
Filed: 1936-04-27
Abstract: 474,238. Joint - making packing. WILLS, P., and WILLS, A. F. April 27, 1936, No. 11948. Addition to 380,853. [Class 122 (iii)] A packing-gasket comprises a metal tube of circular or other cross-section and non-circular in outline, the tube being filled with gas at superatmospheric pressure before employment. The gasket may be formed by securing the two ends 22, of a tube together, or by securing together two similar halves to form a hollow cross-section. The gasket may be oval, elliptical, triangular, rectangular, polygonal, or having re-entrant curves as. shown.
Patent GB-1176499-A (GB)
Title: Method and apparatus for Separating Sewage
Inventor: MELLER FLOYD HUBERT
IPC: B01D33/00
Filed: 1967-03-14
Abstract: 1,176,499. Lavatory pan with filter. FAIRBANKS MORSE Inc. 14 March, 1967 [18 March, 1966; 9 March, 1967], No. 11997/67. Heading B1D. Sewage from a lavatory pan is filtered off from liquid carrying it before substantial solution, suspension or disintegration takes place. In Figs. 4 and 5 the sewage mixture from a lavatory pan enters through 40 and falls on to an anticlockwise rotating filter comprising discs 52 connected to end plate 53 and 54 by rods 55 and spacers 56, where liquid falls through the discs to be discharged by the right hand conduit. Filtered solid is carried past splash control flap 50 to be removed by finger scrapers 62 and discharged through the left hand conduit. In the event of blockage of the left hand conduit, the filter can be made to rotate in a clockwise direction and the movable baffle 44 withdrawn from the filter to allow solid sewage to be discharged through the right hand conduit. The rotation of the filter may be activated by sewage falling through inlet 40. In the embodiment of Figs. 2 and 3 (not shown) the filter comprises an endless moving fine mesh metal screen (8) connected at its edges to belts (9)