baber/WOPTO huggingface dataset:
Patent GB-314747-A (GB)
Title: Improvements in or relating to spectacles or goggles
IPC: G02C7/16
Filed: 1928-11-16
Abstract: 314,747. Macdonald, W. R. Nov. 16, 1928. Goggles; spectacles.-Goggles or spectacles of the kind provided with anti-dazzle screens forming part of the glasses have the screens B formed of opaque portions of tapered shape. The widest end is next to the rim and the lower edge extends from a point at the rim below the normal axis of vision to a point above this a.xis. The screened portion may be crescent-shaped or triangular.
Patent GB-521464-A (GB)
Title: Improvements in apparatus for straightening the weft in woven fabrics
IPC: D06H3/12
Filed: 1938-11-19
Abstract: 521,464. Finishing fabrics; feeding webs. TRIGGS, W. W. (Cranston Print Works). Nov. 19, 1938, No. 33720. [Class 42 (i)] [Also in Group XVI] To remove weft-bowing from a piece of cloth the edges are fed positively at a predetermined speed and the portion between the edges is engaged by means which feed it at a speed different from that of the edges. The invention is described as applied to the delivery end of a tentering machine having clips 14, Fig. 6, positively feeding the edges of a piece A which, after release by the clips, passes over a roller 20, Fig 2. According to the invention the middle portion of the piece passes between rollers 27, 28, the latter of which is driven from the shaft 3 of the tenter through a variable speed device 36. The roller 27 is freely mounted between arms 26 fixed on a shaft 23. Another arm 41 is connected by a link 42 and a chain 43 to a screwed rod 46. By turning a hand wheel nut 47 the pressure between the rollers 27, 28 may be adjusted. The rollers are kept normally out of contact by a spring 49 acting on the arm 41. If the weft in the piece is bowed as at B<SP>1</SP>, Fig. 1, the operator sets the variable speed device 36 so that the roller 28 tends to feed the .middle of the piece at a greater speed than the clips 14 feed the edges. The roller 27 is made of rubber and its diameter decreases towards each end, thus allowing the slip between the roller 28 and the piece A to increase towards the edges of the piece and advancing each portion of the weft sufficiently to remove the bow. If the weft is bowed as at B', the roller 28 is run slower so as to retard the middle of the piece. The roller 27 may be driven in addition to or instead of the roller 28. Either of the rollers may be tapered, the diameter decreasing uniformly or more rapidly towards each end. Either roller may be made of or covered with rubber or other yieldable material and the'lower roller may be movable to adjust the pressure instead of the upper one.
Patent GB-1498246-A (GB)
Title: Nitrogen-containing additive for strengthening cast iron
IPC: C21C1/10
Filed: 1975-08-13
Abstract: 1498246 Nitrogin containing additive HITACHI Ltd 13 Aug 1975 [16 Aug 1974] 33775/75 Headings C7A and C7D A nitrogen containing additive for use in cast irons to improve tensite strength and reduce the depth of chill without formation of a slag or toxic fumes contains
Patent GB-377075-A (GB)
Title: Improvements in means for lubricating mechanical parts
IPC: F16N7/12
Filed: 1931-12-07
Abstract: 377,075. Lubricators. ERIANN (HOLDING DE BREVETS DE MECANIQUES ET ELECTRICITE), 71, Rue Chauveau, Neuilly-sur-Seine, France. Dec. 7, 1931, No. 33940. Convention date, Dec. 8, 1930. [Class 12 (iii).] Oil is fed to parts to be lubricated from capsules a, Fig. 2, adapted to be fitted interchangeably to the parts, the outlet b of each capsule, which prior to use is closed by a removable cover, being fitted with a wick c, or with a member having a capillary orifice, or with a needle valve, so as to control the flow. The capsule may be fitted directly to the part to be lubricated or into a cup e. In the latter case, the capsule may be made of rigid material and be held firmly against the wall of the cup or against elastic means arranged on the wall ; or the capsule may be formed wholly or in part of deformable material so that as it is pressed into the cup it is deformed into engagement with a groove or projection g, or is bent over the upper edge of the cup, as shown in Fig. 13. The cup may be provided with a cover by which the required pressure may be exerted. The capsule may be provided with tabs for permitting it to be withdrawn from the cup when empty ; or a stirrup member h, Fig. 5, may be arranged in the cup for this purpose. An air hole i in the top of the capsule may be formed after insertion in the cup, as by means of a pointed member carried bv the cover of the cup; or the hole i may be kept closed until the capsule is required for use by means of a member which may either be removed by hand or be disengaged automatically as the result of the compression produced in the capsule by the pressure exerted thereon in fitting it into the cup. In the form shown in Fig. 13, the hole i is normally closed by the flanged part s of the rigid upper part r of the capsule, but when the latter is forced into the cup, as shown, the hole is uncovered. The hole i may he fitted with a plug of porous material through which air can pass. In the form shown in Fig. 9, the hole i is dispensed with, there being arranged in a cavity, separated from the interior of the capsule by porous material m, a material l such as camphor adapted to liberate gases so as to prevent the formation of a vacuum in the capsule. The air hole may be protected from access of rain, dust, &c. by means of a loosely-fitting plug p, Fig. 6, or by means of a perforated hood q, Fig. 7 ; or the capsule may fit closely in the cup only at the top, as shown in Fig. 14, the cup having air holes t at the bottom and the capsule a hole i at the side.
Patent GB-904662-A (GB)
Title: Improvements in or relating to nickel catalysts
Inventor: MARSH JOHN DAVID FRANCIS
IPC: B01J37/02
Filed: 1958-10-23
Abstract: A nickel catalyst is produced by preparing a mix consisting of magnesium chloride and a hydration-resistant refractory material composed mainly of magnesium oxide but containing silica, alumina and oxides of calcium and iron as impurities, in an aqueous medium, shaping, drying, firing and then impregnating the product with a thermally decomposable nickel salt in aqueous solution, and firing a second time to convert the nickel salt to nickel oxide. In examples, a specified magnesia was used which contained, besides the ingredients already stated, oxides of potassium, sodium and titanium.
Patent GB-178388-A (GB)
Title: Improvements in headlamps for automobiles
IPC: F21V7/00
Filed: 1921-01-04
Abstract: 178,388. Ritchie, D. J. Jan. 4, 1921. Vehicle lamps.- In a head-lamp having a source of light, a reflector and a projecting lens, the central area r<1> of the reflector R is of ellipsoidal form and the zones r<2>, r<3>, r<4> are formed according to one or more curves which lie off the main part r', so as to produce in the beam transmitted by the lens P a region of lesser illumination outside the region of bright illumination produced by the part r<1>, all the light reflected by the reflector being projected through the lens. The zone r' is ellipsoidal, the zone r' conical and the zone r' a curve maintaining the continuity between the adjoining zones. The light in the outer part of the projected beam is transmitted through the central part of the lens and the light in the concentrated region of the beam is transmitted chiefly through the outer zones of the lens.
Patent GB-904586-A (GB)
Title: Improvements in or relating to electromagnetic switches
IPC: H01H67/24
Filed: 1960-10-04
Abstract: 904,586. Electromagnetic relays. CLARE & CO., C. P. Oct. 4, 1960 [Oct. 23, 1959], No. 34028/60. Class 38 [5). In a relay set having sealed magnetic contact devices a common uniplanar insulating plate has a plurality of projecting portions on which contact devices are mounted and a winding mounted on each projecting portion to, at least, partially enclose a contact device. As shown, the plate 14 has printed circuit connectors 34, 36, 38 on both sides, the terminals 32b of the contact devices 18 being soldered to connectors 34, 36 and the coil ends being passed through holes 40, 42 and soldered to connectors 38. An insulating plate 22 fits in notches 48 in the ends of the projecting portions 16 so as to hold the coils 20 against edges 14a and locate the portions 16 in a cover 24. Holes 60 in the cover 24 receive screws 56 securing plates 28 which engage in notches 54 in the plate 14. The printed connectors 34, 36, 38 are taken to the edge of the plate 14 which projects from the cover 24 through a slot 52 in an insulating locating element 26 so as to form a plug connector.
Patent GB-458053-A (GB)
Title: Improvements in or relating to variable speed gearing
IPC: F16H3/10
Filed: 1935-12-09
Abstract: 458,053. Variable - speed gearing. SEMERY, J. M. C., 112<bis>, Rue Cardinet, Paris. Dec. 9, 1935, No. 34099. Convention date, Dec. 18, 1934. Addition to 423,986. [Class 80 (ii)] In a modification of the arrangement described in the parent Specification having a series of pinions 10, 11, 12 mounted free upon a driving or driven shaft and in constant mesh with a series of pinions 10<1>, 11<1>, 121 integral with an intermediate shaft 13, and a free-wheel device 14 for clamping either of the first series of pinions to its shaft together with a second free-wheel device 15 oppositely disposed with respect to the first so as to operate when the driven shaft tends to overrun the driving-shaft and enable the engine to be used as a brake, the two free-wheel devices 14, 15 are arranged in grooves in an auxiliary shaft 4 mounted rotatably with and slidably on the driving or driven shaft'2. The grooves comprising the free-wheel devices 14 and 15 are provided respectively with eccentric slopes 16 and 17 oppositely disposed and co-operating with clamping members such as rollers 18, 19. The auxiliary shaft 4 together with the free-wheel devices 14, 15 can thus be slid as a whole to engage either of the pinions 10, 11 or 12 for two indirect and one direct forward speeds respectively, the pinion 12 being integral with the driven shaft 3. A sliding clutch member 25 on a sleeve 21, on which the pinion 10 together with a pinion 22 is freely mounted, enables a neutral position and a reverse through the train 22, 23, 24, 12<1> and 12 to be obtained. In a modified arrangement (not shown), to obtain a reverse speed, a further pinion loose on the intermediate shaft is clutched thereto and drives through a reversing train one of the freely mounted pinions on the auxiliary shaft in a reverse direction, the braking free-wheel device being utilized to transmit the drive to the auxiliary shaft and thus to the driven shaft. In this arrangement also the intermediate pinion corresponding to the driving pinion on the auxiliary shaft is freed from its shaft by means of a further clutch member.
Patent GB-384799-A (GB)
Title: Improvements in lighting devices for sewing machines
IPC: D05B79/00
Filed: 1931-12-10
Abstract: 384,799. Lamps for sewing-machines. SINGER MANUFACTURING CO., Ltd., Singer, Clydebank, and CORRALL, H., St. Alban, Helensburgh, both in Dumbartonshire. Dec. 10, 1931, No. 34236. [Class 112.] An electric lamp 4, such as described in Specification 356,076, [Group XI], is carried by a cantilever blade spring 8 anchored to an angle bracket 10 adapted for attachment to the goose-neck of a sewing-machine. As shown, the spring 8 extends through a transverse slot 11 and is secured by a screw 9 on a slightly inclined portion 12 of the bracket 10. Buffer springs 13, 14 are secured at one end to the spring 8 and bear against the bracket 10 and the lamp shade 2 respectively. The bracket is provided with two slots 16 engageable selectively with a stud screwed into the goose-neck and serving also as a fulcrum for the usual treadle-operated presser-lifting lever, the bracket being clamped adjustably between a nut and an integral collar on the stem.
Patent GB-616976-A (GB)
Title: Improvements in or relating to goggles, particularly adapted for use as water goggles
IPC: A63B33/00
Filed: 1945-12-18
Abstract: 616,976. Diving goggles. HEINZ, O. W. Dec. 18, 1945, No. 34256. [Class 68 (ii)] [Also in Group XX] Goggles, particularly adapted for use under water, comprise rim and face fitting side portions moulded from the same material, transparent shields sealed in the rim portions, a face-fitting hollow pad attached to the side portions, vents through the side portions connecting the inside of the hollow pad with the inside of the goggles, and vents, with closure means therefor, in the side portions for opening the inside of the goggles to the outer atmosphere. As shown, the shields 20, 21 are interconnected by a bridge-piece 7 and are sealed in rim portions 5, 6 which are moulded from the same material as the side portions 8, 9. The shields may be provided integrally with the rest of the goggles. The side portions 8, 9 are channelled at 13, 14 to receive flanges 17, 18 of a hollow pad 16. Openings 19 in the pad register with vents 15 in the side portions, while vents are also provided as at 22 in the latter, closure means therefor being provided for use of the goggles under water. A part 10 formed on the side portions 8, 9 carries the ends of a holding strap 11, 12.
Patent GB-1381597-A (GB)
Title: High frequency amplifier arrangements
IPC: H03F1/32
Filed: 1971-07-22
Abstract: 1381597 Phase equalization MARCONI CO Ltd 7 June 1972 [22 July 1971] 34339/71 Heading H1W [Also in Division H3] An amplifier is linearized by means of a predistortion circuit producing a complementary distortion and comprising a plurality of subcircuits. Each sub-circuit includes a pair of elements, each pair having an individually controllable non-linear amplitude transfer characteristic, each of the two elements in each pair determining the transfer characteristic for one polarity respectively of an applied signal. Means are provided for weighting the transfer characteristics of each of the pairs of elements, the weighted transfer characteristics being combined to produce the overall non-linear characteristic required. In one embodiment, each sub-circuit comprises a pair of diodes, 1,2, Fig. 4, connected in series opposition in the signal path, and shunt impedances 3, 4, 5 in which impedance 5 is connected to a bias source Vb. The distortion characteristic (Fig. 5, not shown), is adjusted by means of variation of the bias Vb and a shunt impedance 6, which may be omitted (Fig. 3, not shown). In another embodiment, the arrangement comprises oppositely-poled diodes 11, 12, Fig. 7, in parallel paths, biased from the source Vb. Impedances 21, 22 may be connected in series with diodes 11, 12 respectively, or may be omitted (Fig. 6, not shown); impedances may also be connected in shunt with the diodes. An arrangement giving a distortion characteristic of the opposite sense comprises series impedances 40, 41, Fig. 12, and oppositely-poled diodes 42, 43, biased from the source Vb. A number of such arrangements 23, 24, 25, Fig. 8, may be used to couple an input waveguide 26 to a waveguide 27 from which the non-linear amplifier is driven, or strip lines or a plurality of circulators may be used. In an arrangement compensating for phase distortion the input 30, Fig. 10, is divided equally, by means of 3dB coupler 31, between waveguides 32, 33, the phases in which differ by 90 degrees. Waveguide 32 is coupled to a further waveguide 34 by predistorting networks 23, 24, 25 of the type described, and the outputs from waveguides 33, 34 combined on an output guide 35.
Patent GB-1395527-A (GB)
Title: Grab mechanisms
IPC: B66C3/16
Filed: 1972-07-21
Abstract: 1395527 Grab mechanism FRANCE ARMED FORCES MINISTER OF 21 July 1972 [30 July 1971] 34377/72 Heading B8H A grab mechanism which is mounted on a grab support 1 comprises three grab fingers (only one of which is shown) which are mounted at an angular spacing of 120 degrees about an axis Z-Z<SP>1</SP>, each finger consisting of three articulated phalanxes 2, 3, 4, each of which is mounted for movement about respective pivots 13, 14, 15 under the action of hydraulic jacks 5, 6, 7. The jack 5 is mounted on the support 1 and its rod 5a engages with a cross-member 10 mounted between two parallel extension levers 8 (only one of which is shown) extending from the phalanx 2. The levers 8 also carry the jack 6 which actuates the phalanx 3 by the engagement of its push-rod 6a with a cross-member 11 mounted on parallel levers 9 extending from the phalanx 3 and similarly the levers 9 carry the jack 7 which actuates the phalanx 4. The pivot 13 is mounted on the support 1 while the pivot 14 is mounted on the phalanx 2 and the pivot 15 is mounted on the phalanx 3. The jacks 5-7 are single acting, retraction of the phalanxes being achieved by means of springs, the spring 16 being associated with the phalanx 2. Alternatively the jacks may be double acting. Pressure oil enters the jack 5 through a pipe 17 and passes to the remaining jacks 6, 7 by means of ducts recessed in the pivots 13, 14, which ducts communicate with the jacks 6, 7 by means of further ducts extending along the arms 8, 9, respectively. A pedal 25 which is mounted on the support 1 contacts a load to be lifted and acts on a pushrod 26 which opens an oil distributer 27 which automatically effects the closure of the grab fingers. An engine 30 drives the grab mechanism in rotation about the axis Z-Z<SP>1</SP> relative to a hollow support 29 which is secured for example to the end of the arm of an hydraulic shovel.
Patent GB-649728-A (GB)
Title: Improvements in or relating to electric welding
Inventor: ZACK MICHEL
IPC: B23K9/073
Filed: 1947-12-29
Abstract: 649,728. Supply systems for welding arcs and resistance welding. ZACK, M. Dec. 29, 1947, No. 34447. Convention date, Nov. 16, 1939. [Class 38 (iv)] A D.C. or low-frequency A.C. welding arc operating from a supply of relatively low open circuit voltage is initiated and maintained by highfrequency currents generated in an oscillatory circuit which is shocked into oscillation when the electrode is withdrawn from the work to strike the arc or whenever the current in the welding circuit is abruptly interrupted by the are temporarily extinguishing. As shown, the electrode 4 and work 3 are connected to the low voltage supply terminals 1, 2 and also to a circuit comprising inductance 9, capacitance 10 and the secondary winding 11 of a current transformer 12 the primary winding 13 of which is included in the main welding circuit. When the current in the main welding circuit is interrupted collapse of flux in the transformer core shocks the circuit 9, 10 into oscillation. Filters may be provided to permit only the high-frequency oscillations to the arc from the oscillating circuit. The invention may be applied to resistance welding in which case the high-frequency oscillations are obtained upon interruption of the welding current.
Patent GB-392469-A (GB)
Title: Device for adjustment of tuning condensers or other tuning members in radio receivers
IPC: H03J5/10
Filed: 1932-12-05
Abstract: 392,469. Adjusting wireless apparatus. HANSEN, N., 4, Amerikavej, Copenhagen. Dec. 5, 1932, No. 34450. Convention date, Dec. 5, 1931. [Class 37]. A sleeve 5 has curved slots 6 engaged by a member 7 carrying a pin 8 so that the pin 8 moves longitudinally when the sleeve 5 is rotated with the tuning element 1. A rotatable stopping drum 10 having a station indicator 12 is provided with a series of holes 11 in which adjustable screws 16 engage and the pin 8 enters. The sleeve 5 or rotor 1 has a scale 15, and after setting the drum 10, the rotor is turned until the pin 8 engages the particular hole 11 and locks the apparatus. The depths of the various holes 11 correspond to the movements of the rotor to bring in different stations, the rotor being turned back to a zero position between tuning operations. In a modification the scales 12, 15 are superposed and the sleeve 5 is rotated independently by a friction clutch. In another arrangement, Fig. 6, the pin 8 is moved radially by an eccentric 23 into engagement with holes 11 in the wall of the drum 10. The drum 10 may be in the form of a disc through which the screws 16 project or it may be a slidable rail. The stopping member which may be of insulating or conducting material has contacts for making a lamp circuit 25 at each adjustment, or it may close one of the circuits of the receiver. In order to allow free adjustment of the rotor one or more of the holes 11 may permit the pin 8 to traverse its entire length. A screwdriver 22 is provided in the casing for making adjustments to the screw stops 16.
Patent GB-324168-A (GB)
Title: Improvements relating to gas meters
IPC: G01F15/00
Filed: 1928-11-23
Abstract: 324,168. Meters, Ltd., and Glover, W. T. Nov. 23, 1928. Gas meters.-An oil or grease compartment a which is arranged in the top of a gas meter and has a connection by which it can be filled from the outside of the meter by means of a grease gun &c. is provided with wicks k extending through tubes j to engage ribs m on the valves as the valves reciprocate. The oil compartment is also connected by tubes b to the bearings and stuffing boxes of the flag-rods and index spindle. A vent hole is provided adjacent the nipple through which the lubricant is supplied to the compartment a.
Patent GB-1113536-A (GB)
Title: Apparatus for the inspection and fault rectification of coiled metal
Inventor: BUTLER ROGER DAVID
IPC: B21B38/00
Filed: 1965-08-12
Abstract: 1,113,536. Making strip. PRESSED STEEL FISHER Ltd. 26 Oct., 1966 [12 Aug., 1965], No. 34629/65. Heading B3A. In an apparatus for the inspection and rectifying of faults in coiled metal there is a heat treatment station at which the metal in the area of a welded joint in the coil is heat treated to soften the metal in the joint. Cold-reduced mild steel strip 11 is drawn from a coil 12 via an inspection area a, where defects are marked, to a guillotine 13 where the defective sections are cut out and the severed ends welded together. The strip then passes through an annealing furnace 14 in which its hardness is reduced to less than 140 HV, so that portions including a weld can be blanked and formed by castiron forming tools without damaging the tools.
Patent GB-373581-A (GB)
Title: Improvements in insecticidal and anti-cryptogamic compounds
IPC: A01N25/30
Filed: 1930-11-18
Abstract: Aqueous suspensions of powdered insectides are prepared with the aid of organic amines or quaternary ammonium bases or salts. In examples mixtures of sulphur with steatite, gypsum or kieselguhr, insoluble arsenates or arsenites, Burgundy mixture, Bordeaux mixture, or verdigris, are mixed with one of the above compounds to produce mixtures of improved suspendability. Specific compounds employable are hexadecylamine, di-isobutylamine and trimethyl - alkylamino - ethyl - ammonium. In another example a compound of the above general character is added to a solution before or after the precipitation therefrom of an insoluble arsenate or arsenite.ALSO:Organic amines or quaternery ammonium bases or their salts are added to insecticidal substances, particularly powders, in order to prevent agglomeration and to facilitate suspension in water and adhesion to the leaves of plants.  Examples:-(1) A mixture of sulphur with steatite, gypsum, or kieselguhr is ground to powder in the presence of 10 per cent of hexadecylamine, or di-isobutylamine; the product may be applied dry or as a suspension in water: (2) an insoluble arsenate or arsenite, together with a solid diluent is powdered in the presence of 10 per cent of a trimethylalkyl amino-ethyl ammonium: (3) a compound of the above general character is added to a solution before or after the precipitation therefrom of an insoluble arsenate or arsenite; the resulting paste may be dried: (4) a compound of the above general character is added to Bordeaux or Burgundy mixture or to verdigris.