baber/WOPTO huggingface dataset:
Patent GB-836699-A (GB)
Title: Improvements in and relating to electric winder control systems
Inventor: SIMONS DAVID SPENCER
IPC: B66B1/12
Filed: 1955-08-08
Abstract: 836,699. Control of motors. BRITISH THOMSON-HOUSTON CO. Ltd. Aug. 1, 1956 [Aug. 8, 1955], No. 22814/55. Class 38 (3). [Also in Group XXXV] In a mine winder a test is made during periods of creeping or slowing to establish whether the out-of-balance load is within a range over which servo loop system controlling an operational parameter of the motor will function satisfactorily and continuously, these limits are suggested as 50% FL torque during creep and 10% of FL torque in a negative direction during slowing. In a constant acceleration system limit relays TR1, TR2, Fig. 1, are fed by a current transformer in the feed to the winder WM, and a brake is applied by a relay BVR, Fig. 2, if the former is operated and the latter not. A time delay relay T opens the brake relay circuit during starting and the brake BV can only be applied over the slowing or creeping regions when contacts CG, Fig. 3, are mechanically closed. In a modification described with reference to Figs. 4 and 5, relays AR1, AR2, in series with condensers C1, C2, are connected in parallel across the output of a tachometer generator T to operate at the limits of satisfactory operation of the servo loop system. The operation in this case is effected in accordance with predetermined rates of acceleration. The application of the invention to a constant-speed system is described with reference to Fig. 6 (not shown).
Patent GB-1234885-A (GB)
Title: 07-glucosyloxy steroids
IPC: C07D/
Filed: 1969-05-05
Abstract: 1,234,885. Derivatives of estradiol 17-#-D- glucopyranoside. DR. KARL THOMAE G.m.b.H. 5 May, 1969 [3 May, 1968], No. 22825/69. Heading C2U. [Also in Division A5] The invention comprises compounds of formula wherein R is a group of formula wherein each symbol R 1  is H or C 2-4  aliphatic acyl, and R 2  is C 1-3  alkyl, C 2-4  aliphatic acyl, tetrahydropyran-2-yl, or -SO 3 M, where M is alkali metal. The compounds wherein R 1  is acyl and R 2  is other than SO 3 M are prepared (a) by the Koenigs-Knorr synthesis or (b) by esterification or etherification of the corresponding 3-ols, and are convertible by hydrolysis to the corresponding compounds wherein R 1  is H. The compounds wherein R 1  is H and R 2  is -SO 3 M are prepared from compounds of the above formula wherein R 1  is acyl and R 2  is H by reaction with sulphamic acid and treatment of the resulting sulphate ester with an alkali, and are convertible by esterification into the corresponding compounds in which R 1  is acyl.
Patent GB-480019-A (GB)
Title: Improvements in or relating to regenerative detector circuits
IPC: H04B1/16
Filed: 1936-08-19
Abstract: 480,019. Valve circuits for wireless reception. JOHNSON, G. W. (Philco Radio and Television Corporation) Aug. 19, 1936, No. 22852. [Class 40 (v)] A detector circuit comprises an input circuit and an audio load impedance serially connected between the control grid and the cathode, an output circuit including audio and carrier frequency load impedances and a winding coupled to the input circuit and connected to an auxiliary grid which is capacitatively coupled to the anode. The Figure shows a pentode, with an input circuit C1L2 and an audio frequency load R1C2, having the suppressor grid connected to a winding L3 and connected by a condenser Ct to the anode. The anode load comprises resistances R2, R3 the latter being shunted by a condenser C3 for carrier frequencies.
Patent GB-700855-A (GB)
Title: Improvements in or relating to methods and apparatus for making branched pipe fittings
Inventor: STANTON CHARLES BERNARD
IPC: B21C37/29
Filed: 1950-09-18
Abstract: 700,855. Making pipe fittings. IMPERIAL CHEMICAL INDUSTRIES, Ltd. Sept. 17, 1951 [Sept. 18, 1950], No. 22866/50. Classes 83 (2) and 83 (4) A method of forming a branched pipe fitting from a substantially tubular blank comprises positioning said blank in a die cavity having at least one branch cavity, applying endwise pressure to said blank and at the same time continuously applying, from an external liquid source, high hydraulic pressure to the interior of the blank whereby part of said blank is extruded into the branch cavity to form a branch portion and continuously supporting the end of said branch throughout the forming operation. A tubular blank 1 is placed in a cavity 2 in a die block 3 and a pair of opposed plungers 4 and 4a are brought into contact with the blank. Hydraulic fluid is introduced into the blank through axial holes 7 and 7a in the plungers. As the compression load of the plungers is increased the hydraulic pressure deforms the blank so that part is forced into a second radial cavity 8 to form a branch portion 9 of the pipe fitting. The second cavity 8 houses a support member 10 slidably mounted therein and which provides a support for the end portion 11 of the branch 9 throughout the forming operation. The support member may be energized by a coil spring or by a second hydraulic system in association with the main hydraulic system. Alternatively, the support member may be mechanically controlled by the plungers 4 and 4a and adapted to retract as the plungers advance within the die. The head of the support member may be flat, concave or convex or any other shape according to the required shape of the branch end 11. In a further modification a cruciform branch fitting may be formed by utilizing two plungers and two support members or a T-shaped fitting may be formed from a cup-shaped blank utilizing one plunger in conjunction with two support members. Solid types of filler material may be used as well as liquid.
Patent GB-501056-A (GB)
Title: Improvements in locomotive type fireboxes, for increasing the heating surface and improving the combustion
IPC: F22B13/10
Filed: 1937-08-21
Abstract: 501,056. Arrangements of water-tubes in locomotive fireboxes. OWEN, H. Aug. 21, 1937, No. 22940. [Class 123 (ii)] A row of water-tubes with alternate tubes oppositely inclined are arranged across the back of a locomotive firebox to form an arch. Wash-out plugs are provided in the outer shell B opposite to ends of the water-tubes. Specifications 6118/97, 27949/97, [both in Class 123], and 252,981, [Class 123 (ii)], are referred to.
Patent GB-1273528-A (GB)
Title: Improvements in or relating to fabrics and to conveyors belts composed of such fabrics
Inventor: ARNETT MEYRICK
IPC: D03D3/00
Filed: 1968-05-14
Abstract: 1,273,528. Conveyor fabrics. BTR INDUSTRIES Ltd. 14 May, 1969 [14 May, 1968], No. 22950/68. Heading D1K. A conveyor fabric consists of superposed unwoven layers of strength warp threads 24, 28 and weft threads 1, 2, 3 held together by binder warp threads 21, 23, 25, 27 which interweave with adjacent layers of warp threads.
Patent GB-517678-A (GB)
Title: Improvements in and relating to arc lamps
IPC: H05B31/30
Filed: 1938-08-03
Abstract: 517,678. Arc lamps. DIETRICH, M. W. Aug. 3, 1938, No. 22973. Convention date, Aug. 10, 1937. [Class 39 (i)] An arc lamp includesincombination a supporting panel within a reflector, means for mounting a fixed carbon on the panel, and a movable carbon passing through supports mounted on the panel and a clutch device acting directly on the movable carbon for striking the arc The reflector 14 is carried in gimbals on a standard, and contains an insulating plate 16 on which are mounted brackets 26, 27 and support 20, all with aligned bores. On the bracket 27 is mounted an insulating plate 32. The lower carbon is secured in the support 20 by a set screw and the upper carbon is held in the brackets 26, 27 by a clutch plate 43, which is normally supported at one end, through an insulating link 44, by a bent lever 38, 36, which is weighted at the lower end and provided with a pull string. When the string is pulled the clutch plate drops on the plate 32 and allows the upper carbon to fall into contact with the lower, and is then returned by the weight 46, forming an arc-gap of a length determined by a set screw 47 on the weight. A reflector plate 67 and two resistances are mounted on the panel. Circuit is completed through the carbons and resistances and through a further resistance at the base of the stand. Provision is made for short circuiting the latter resistance.
Patent GB-501277-A (GB)
Title: Improvements in and relating to the moulding of thermoplastic materials by injection
IPC: B29C45/53
Filed: 1937-08-21
Abstract: 501,277. Injection moulding. CRAFTON, H. Aug. 21, 1937, No. 22974. [Class 87 (ii)] Injection - moulding apparatus for thermoplastic material is provided with a dual stage feed and heating cylinder in which the material is first subjected to low pressure by one piston and then to a high pressure by a second piston which forces it through a nozzle' into a mould. As shown in Fig. 1, the material is supplied through an inlet 3 to a cylinder 2 in which works the low pressure piston 1. The high pressure piston 4 is guided centrally or eccentrically in( the piston 1 and operates in a cylinder 5 to force material through the nozzle 6 into the mould. An electric or other heater 8 is provided and metal ribs 7 may be provided to improve the heat conduction and guide the piston 4.. In a modification the two cylinders may be arranged parallel and side by side, communicating by means of an aperture of substantial cross-section so as to reduce the resistance to flow. In a further modification, one or more low pressure cylinders 2 may be provided at an angle to the main cylinder 5, as shown in Fig. 5, the cylinders communicating through a channel 9 of substantial cross-section. The pistons may be operated mechanically or hydraulically and a tap may be provided for the nozzle 6. The material may be supplied in the form of powder, blocks, or bars. The low pressure cylinder is generally of larger capacity than the high pressure cylinder and the latter may either fill a number of moulds on one charging or may make a number of strokes to fill a single large mould. The machine may have a multiapertured nozzle and, when making multicoloured mouldings, the mould may be successively presented to different injection units by indexing mechanism as in a turret lathe.
Patent GB-1405055-A (GB)
Title: Cash register
IPC: G07G1/10
Filed: 1973-05-15
Abstract: 1405055 Gettering PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 27 Sept 1973 [30 Sept 1972] 45287/73 Heading H1D A getter includes BaAl 4 , means for rapidly releasing the barium from the BaAl 4  and for chemically binding the aluminium, and a nitrogen source which includes germanium nitride, Ge 3 N 4 , in the free state. The means referred to above can be nickel powder which reacts exothermically with the BaAl 4  or it can be a titanium containing material including at least 50% wt. of FeTi and/or NiTi 2 , the balance if any being Na 3 Ti. The getter can be degassed between 600‹ C. and 800‹ C. for one hour. The getter can be used in a picture cathode ray tube.
Patent GB-171157-A (GB)
Title: Improvements in the process of and apparatus for electrically treating foods and like products
IPC: A23L3/26
Filed: 1920-08-06
Abstract: 171,157. Smith, F. S. Aug. 6, 1920. Electric killing-appliances. -In apparatus for destroying fungi, bacteria, insects, &c., in food and other products by passing them through a gap across which an electric spark discharge is taking place, the potential drop across the gap is reduced by placing a condenser in series with it to such an extent that the goods treated and the cartons or other containers in which they are enclosed, are not damaged. The process is stated to be applicable to grains, beans, milled cereals, dried fruits, furs, woollens, &c. The condenser is formed of hollow plates 6, 7 with rounded edges enclosed in insulating casings 10, 11 containing a. dielectric liquid such as transformer oil, paraffin oil &c. or a solid such as ceresin. The discharge takes place between knobs 20, arranged ,in rows on the containers 10, 11. The knobs are connected by shanks 18, Fig. 3, passing through the wall of the casings to plates 15, 16 within the casings. The plates 15 are provided with projections 17, which abut against the wall of the casing to reduce current leakage. The substances treated are carried across the spark gaps by a belt conveyer 25 preferably arranged at a small angle to the rows of knobs, so as to secure that as much of the substance as possible passes directly between two knobs. Current is supplied by a transformer 1 or the like.
Patent GB-724037-A (GB)
Title: Improvements in the preparation and supply of air/fuel mixture to an internal combustion engine
IPC: F02M69/00
Filed: 1952-09-16
Abstract: 724,037. Fuel-air mixture ; cycles ; incandescent igniters. AUGUST, P. Sept. 16, 1952 [Sept. 24, 1951], No. 23213/52. Classes 7 (2), 7 (3) and 7 (4). In means for the preparation and supply of fuel/air mixture to an engine having a carburetter 7, it is arranged that the latter supplies an over-saturated fuel/air mixture to an auxiliary cylinder 5 wherein the mixture is compressed by an auxiliary piston 17 and thereafter, by way of a valve-controlled connection, is forced into a fore chamber 11 of the working cylinder 1, which latter is charged with combustion air, the working volume of the cylinder 1 being larger than that of the cylinder 5, and the valvecontrolled connection consisting of a tube 8 of highly heat-resistant material, the outlet end of which freely projects into the fore chambers 11. The tube 8 is partly enclosing in a heat insulating material 10 such as magnesium oxide. The mixture drawn into the auxiliary cylinder 5 through a non-return valve 6 is compressed on the upstroke of the piston 17, which operates about 30 degrees in advance of the main piston 4, until its pressure is high enough to lift a spring-loaded plunger-valve 14 to uncover one end of the tube 8 so that the mixture can flow into the fore chamber 11 ; the valve 14 moves to close the tube 8 under the action of its spring, this movement being limited by a flange 16 in the cylinder 5, and the piston 17 moves downwardly to draw a further charge into the cylinder. The air compressed in the main cylinder 1 passes through a nozzle 12 into the fore chamber 11 wherein the combustion of the mixture already initiated by a sparking plug or incandescent igniter 13, is increased in intensity ; the pressure build-up in the cylinder 2 is retarded by the nozzle 12 and so prevents knocking. The engine may operate on either a two or four-stroke cycle and the valve 14 could be mechanically operated ; the tube 8 may project directly into the cylinder 1 and become incandescent to act as a igniter. In the case of a four-stroke engine the pump runs at one-half engine speed.
Patent GB-949739-A (GB)
Title: Non-flocculating phthalocyanine pigment mixtures fast to solvents
Inventor: SCHOELLIG ALFRED
IPC: C09K23/52
Filed: 1962-06-18
Abstract: The invention comprises phthalocyanine pigment mixtures containing 0.5-10 mole per cent of a phthalocyanine of the formula <FORM:0949739/C3/1> where Pc is a phthalocyanine radical, R1 is hydrogen or a substituted or unsubstituted aliphatic hydrocarbon radical, R2 is a substituted or unsubstituted aliphatic hydrocarbon radical or, when taken together with R1, a heterocyclic ring, and n is a number from 1-4. The mixtures are made by (a) simply mixing the phthalocyanine of the above formula with a phthalocyanine not resistant to flocculation, for example during acid pasting, by grinding, by heating together in an organic solvent or by preparing a suspension of the phthalocyanine not resistant to flocculation in an aqueous solution of the hydrochloride of the phthalocyanine of the above formula and adding sodium hydroxide, (b) synthesizing phthalocyanines using phthalic acid derivatives a proportion of which contain a radical of the formula <FORM:0949739/C3/2> or (c) partially chloromethylating a phthalocyanine and reacting the mixture obtained with an amine of the formula <FORM:0949739/C3/3> Examples are given. Specification 761,718, U.S.A. Specification 2,547,972, and German Specification 1,097,596 are referred to.
Patent GB-1182394-A (GB)
Title: Improvements in or relating to Closures
IPC: E05D15/50
Filed: 1968-05-16
Abstract: 1,182,394. Window hinge. WONDER DOOR HOLDINGS (PROPRIETARY) Ltd. 16 May, 1968 [26 May, 1967; 30 Aug., 1967; 20 Nov., 1967; 12 Jan., 1968; 15 Feb., 1968], No. 23324/68. Heading E2F. A hinge includes a formation 68 on a bearing leaf 62 releasably engageable with a complemental formation 70 in a closure e.g. a door or window 72, and a pintle 54 which is right-angled, the bearing leaf 62 being at right angles to the fixed leaf 50. A door or window assembly includes such hinges along at least two sides, to enable opening about at least two sides thereof. In one form (see Fig. 2), a pin 74 passes through the complemental formation 70 to engage in an orifice 76 in the element 68, thereby locking the arrangement. Cables, or similar means, are attached to the tails of the pins and associated with the handle, actuation of which in a certain direction causes retraction of the pins. If it is not desired to lock the hinges, as described above, the pins may be replaced by spring-loaded balls so that the closure is opened merely by pushing at the desired side. The invention provides for two-way, threeway or four-way opening of doors and windows. For three-way opening, two of the right-angled pintle hinges are located in adjacent corners and other disengageable hinges are located on the two sides adjacent to the two right-angled pintle hinges. For four-way opening, a right-angled pintle hinge is located at each corner.
Patent GB-745509-A (GB)
Title: Equipment for checking the positioning of coke pusher machines and coke guide machines of horizontal chamber coke oven batteries
IPC: C10B41/04
Filed: 1953-01-30
Abstract: 745,509. Photo-electric control of coke-ovens. KOPPERS GES., H. Jan. 30, 1953 [Dec. 23, 1952], No. 23348/54. Divided out of 729,964. Class 40 (3). In equipment for checking the positioning of the coke guide and pusher machines of a horizontal coke oven battery, an electrical conductor links the machines and connects an impulse generator on the guide machine with a switch on the pusher, the impulse generator causing the lamp to send out short very intense light impulses so that an electro-optical receiver on the pusher responds only to these impulses and actuates a relay to close the ram motor circuit when the two machines are aligned. As shown, when the guide machine is correctly aligned with the oven to be emptied its flopper plate closes switch 104 which completes the supply to a projector 101 and supplies by means of rectifier a direct current to the light receiver 109 on the pusher machine via a conductor. The direct current lights a lamp 115 indicating to the pusher operator that the guide is in position. The operator then presses a control switch 116 applying an alternating voltage over conductor 106 to impulse generator 108 which causes lamp 102 to emit short very intense luminous impulses. When the machines are aligned these impulses fall on photo-electric detector 109 actuating relay 118 to complete the circuit of the ram motor, lighting a lamp 117 indicating " ready for discharge " and extinguishing lamp 115. Switching means are provided to prevent further energization of the impulse generator by switch 116. An emergency switch 121 is provided to de-energize the coke guide machine and conductor 106, and a change-over switch 111 enables relay 118 to be operated direct from the mains thus operating the ram motor.
Patent GB-404754-A (GB)
Title: A new or improved tuft cutter mechanism for axminster carpet and like looms
IPC: D03D39/24
Filed: 1932-08-20
Abstract: 404,754. Cutting- mechanism for tufted pile-fabric looms. PERRY, E. J., 68, Heath Mill Lane, Birmingham. Aug. 20, 1932, No. 23367. [Class 142 (ii).] A tuft-cutter for Axminster carpet and like looms comprises a blade device operable between a facially-opposed pair of tuft-holding combs in such a manner as to be enentirely enclosed within the combs at all stages of the cutting operation, the blade device and the pair of combs being relatively slidable for the cutting operation. As shown, the blade device consists of a plurality of razor-blades secured by screws and small clamping-plates k to a bar g which slides between combs a, b, rigidly fastened together by screws d. One elongated clamping-plate may replace the plurality of smaller plates. The cutting motion is in a combined longitudinal and oblique direction, a cam slot m in the bar engaging a fixed pin l. The pin-andslot device may be replaced by links. The blade device may remain stationary, the combs being reciprocated.
Patent GB-484080-A (GB)
Title: Machine for decorticating or removing undesirable matter from the fibres of flax and like plants
IPC: D01B1/14
Filed: 1936-08-26
Abstract: 484,080. Decorticating flax &c. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and BEE, J. R. Aug. 26, 1936, No. 23390. [Class 120 (i)] In a machine for decorticating flax &c. of the type in which the stalks are broken by stamps or reciprocating beaters, the stalks are fed on to cross-bars 3 mounted between continuously-moving chains 2, Fig. 1, and are carried thereby beneath vertically-reciprocating breaking bars 4 supported by a plate 5 which is reciprocated by cams or eccentrics 6, acting in association with springs 14, Fig. 4. The chains 2 are driven by sprocket wheels 8, 8a mounted on shafts 9. The cams 6 are mounted on cross-shafts 16, 16a and engage straps 20 which are pivoted to sleeves 6a surrounding the upper ends of bolts 5a the lower ends of which pass through members 10 secured to the plate 5. If, in their descent the bars 4 encounter any hard substance the springs 14 yield thus avoiding damage to the bars 3, 4. The mechanism is arranged so that the chains 2 advance by the distance between two bars 3 for each reciprocation of the bars 4. The stalks are fed on an apron 15 to spring-pressed feed rollers 18 and after being broken between the bars 3, 4 are delivered by rollers 20d, 21b to rotary beaters 25 or to a reciprocating beater, and are then discharged through a trough 22 which is reciprocated vertically by an eccentric rod 23 to separate the waste material. The waste which passes through the bars 3 may be removed by suction.
Patent GB-254146-A (GB)
Title: Improvements relating to devices for removing crown-corks or the like from bottles
IPC: B67B7/16
Filed: 1925-09-19
Abstract: 254,146. Gillman, R. J. Sept. 19, 1925. Stopper - keys and like appliances; receivers for drawn corks. - A crowncork remover 8 having converging stopper guideplates 9, 11 is provided with side-plates 1, 3, 4 which are integral with a chute 6 through which the removed corks and drips from the bottles are conveyed to a suitable receptacle or container. The plate or side 1 has lateral extensions forming lugs through which screws &c. are passed to secure the device to a bar-counter &c. The chute 6 is directed rearwardly so that the receptacle may be placed under the counter. The side-plates 1, 3, 4 and chute 6 may be replaced by any suitable open-fronted receptacle or container for collecting the removed corks &c.