baber/WOPTO huggingface dataset:
Patent GB-379910-A (GB)
Title: An improved detonating pyrotechnical composition
IPC: C06B39/04
Filed: 1931-11-04
Abstract: 379,910. Pyrotechnic compositions ; detonating toys. BLANC, A., Salaise-sur- Sanne, IsÞre, France. Nov. 4, 1931, No. 30579. Convention date, Nov. 7, 1930. [Class 9 (ii).] A pyrotechnic detonating composition especially intended for coating small hard balls or the like to form detonating toys comprises sesquisulphide of phosphorus 30 grms., gum arabic 115 grms., carbonate of magnesium 20 grms., carbonate of calcium 5 grms., chlorate of potassium 80 grms., and sesquioxide of iron (red ochre) 40 grms. These ingredients are mixed with water to form a paste which is applied to the ball. The ball thus coated detonates locally when struck, and the detonation can be repeated several times. The carbonate of calcium may be left out or replaced by an equal proportion of carbonate of magnesium or diatomite. The Specification as open to inspection under Sect. 91 (3) (a) describes also the use of this composition in paper strip amorces and in detonating cartridges, and the addition of this composition to powdered aluminium and a Bengal flare composition, for example in the proportions 25 : 5 : 70, for making detonating coloured flares. This subject-matter does not appear in the Specification as accepted.
Patent GB-1465732-A (GB)
Title: Heat-exchanger
IPC: F28F21/00
Filed: 1974-07-10
Abstract: 1465732 Joining pipes to walls CARLZEISS STIFTUNG trading as [JENAER GLASWERK SCHOTT & GEN] 10 July 1974 [11 Feb 1974] 30622/74 Heading F2G [Also in Division F4] In a shell and tube heat exchanger intended for use with corrosive fluids and comprising a plurality of tubes 6, preferably of glass, extending between tube end plates 1, each tube end is sealed into a respective bore of a tube plate by means of a packing or sealing cord 8 of uniaxially expanded and oriented polytetrafluoroethylene held in place by a threaded bush 5. The bush is formed at its end with a bevel 7 which urges the packing 8 into sealing contact with the tube and with a shoulder portion 3 which may either be straight, (Fig. 3b, not shown), or bevelled, as shown. The bushes 5 and the tube plates 1 are made of polytetrafluoroethylene (PTFE).
Patent GB-660287-A (GB)
Title: Improvements in and relating to transductors and circuit arrangements including transductors
Inventor: WILSON JOSEPH SHEVLIN
IPC: H03F9/02
Filed: 1948-11-25
Abstract: 660,287. Transductors. METROPOLITANVICKERS ELECTRICAL CO., Ltd. Nov. 24, 1949 [Nov. 25, 1948], No. 30658/48. Class 40 (iv). [Also in Group XXXV] A transductor with positive feed-back having a condenser connected across the output windings in order to displace the output current/ control current characteristic so that an increase in control current causes a proportional increase in output current is used to control the output voltage of an alternator 1 (Fig. 1) whose field winding 4 is energized from a metadyne exciter 5 which has a main field winding 6 energized from a constant D.C. source, and a control, opposing field winding 7 energized from the alternator output via the transductor. The output windings AW2, BW2 are fed from the alternator through two full-wave rectifiers 8, 9, the D.C. output of 8 feeding the metadyne field winding 7, and the D.C. output of 9 feeding positive feed-back windings AW3, BW3, which are shunted by a resistance 11 and inductance 12 to adjust the sensitivity for steady and transient conditions. The transductor has two pairs of control windings in opposition, one pair AW4, BW4 being fed from the alternator output via an inductive circuit, and the other pair AW5, BW5 giving positive control being similarly fed through a capacitative circuit, so that an increase in A.C. frequency, due to an increase in alternator speed, will cause windings AW5, BW5 to have a larger effect and AW4, BW4 a smaller effect, and thus increase the control current. Transient positive feed-back windings AW1, BW1 are fed from the output of the exciter 5 through a network of two series-condensers 19, 20 and a shunt resistance 21, being thus dependent on the rate of change of the metadyne output voltage. A condenser 10 across the output windings AW2, BW2 shifts the output A.C./control D.C. curves from b, b1 (Fig. 2) to c, cl, the curves a, a1 being the relationship without feed-back.
Patent GB-200024-A (GB)
Title: Improvement in shirts for personal wear
IPC: A41B1/00
Filed: 1922-11-10
Abstract: 200,024. Nanson, M. R. C., (Nanson, W. A.). Nov. 10, 1922. Shirts.-A shirt, particularly for use in hot countries by workmen, has a reinforcing piece 1 at the back and reinforcing pieces 2, 3 at the front. The piece 1 extends from the shoulders is shaped to the neck hole of the shirt and has wing portions extending downwardly and laterally to the arm portions of the shirt. The pieces 2, 3 extend from the shoulders and are shaped to the arm hole of the shirt. Evelets B for ventilation pass through the various plies of material.
Patent GB-409039-A (GB)
Title: Improvements in brooms, brushes and the like
IPC: A46B3/16
Filed: 1932-11-01
Abstract: 409,039. Brushes. BARNETT, C., and BARNETT, W., The Laurels, Mill Green, Hatfield, Hertfordshire. Nov. 1, 1932, No. 30740. [Class 19.] A brush has a plurality of long tufts C of bristles secured in arcuate slots B running transversely to a stock A and secured preferably by staples D. The transverse slots may be widened at their ends to accommodate extra bristles giving shape or spread to the brush. The stock may be of wood, metal or rubber or a combination of materials.
Patent GB-484918-A (GB)
Title: Improvements relating to the frames of pianofortes
IPC: G10C3/04
Filed: 1936-11-11
Abstract: 484,918. Pianofortes. BRASTED BROS., Ltd., and DAVIS, J. T. Nov. 11, 1936, No. 30789. [Class 88 (ii)] Relates to a pianoforte of the kind in which the required angle # of down-bearing of the springs 9 on the soundboard bridge 8, is obtained by adjustment longitudinally of the strings of a rest 10, extending continuously across the string frame on an inclined surface 6<1> of the hitch-plate 6, which surface is inclined at an angle alpha, different from the required angle # of down-bearing. The rest 10 is of invariable height and may comprise a wire of circular or semicircular cross-section. According to this invention, the method of obtaining the required angle of down-bearing is by the use of a thin gauge-plate 11, having a straight-edge 13, a bridge-engaging stop 12, and a surface 15, inclined at the required angle #, the rest 10 being adjusted until it just contacts with the inclined surface 15. This operation is repeated at, say, six points across the frame and the rest 10 is bent to gentle curve between the settings found at these points. The rest 10 is secured only by the down-bearing pressure of the strings when they are tensioned.
Patent GB-517808-A (GB)
Title: Improvements in and relating to garment or like presses
IPC: D06F71/06
Filed: 1938-03-26
Abstract: 517,808. Mechanical presses. BAKER PERKINS, Ltd. (Prosperity Co., Inc.). March 26, 1938, No. 30811/39. Divided out of 515,300, [Group VIII]. [Class 87 (ii)] [Also in Group VIII] . The press is closed by a toggle link and lever system 112, 118, 25, 19 operated by a prime mover which may be a fluid-pressure cylinder 50, and is opened by counterbalance springs 105 when the power is released. The opening and closing movements are controlled. by an hydraulic dash-pot 130 directly connected to and. driven by a shaft 111 of the leverage, this shaft being mounted in the press frame. The links 112, 118 form a toggle, the link 112 being fixed on the shaft 111 and the link 118 being a floating member pivoted at 114 to link 112 and formed with a cam slot 119, 120, co-acting with a roller 122 adjustably mounted on the press frame. The floating lever 25 is pivoted at 115 to link 118 and at 27 to the head lever 19, and the action of the toggle and the cam slots is so arranged that the press is first closed with a light pressure and then the leverage ratio is varied by the cam slots so that a final heavy pressure is applied. The. roller 122 is carried by a member 123 pivoted to the frame at 124 and adjusted by a screw 126 to allow for different types of jaws or platens 16. The speed of the closing movement of the press is governed by one cylinder 147 of the dashpot, the rate of closing being adjustable as desired. The main part of the opening movement of the press is free but the latter part is checked by the other cylinder 140 of the dashpot in order to prevent rebound of the opening jaw 17 when the lever 19 abuts a rubber stop 23. Each. cylinder of the dashpot acts in one direction only, a pinion (not shown) on the shaft 111 gearing with racks on plungers reciprocating in the cylinders 140, 147. Specifications 503,839 and 515,300, [both in Group VIII], are referred to.
Patent GB-264440-A (GB)
Title: Improvements in aerial screw propellers
IPC: B64C11/20
Filed: 1926-12-06
Abstract: 264,440. Kreitmayer, J. Dec. 6, 1926. Screw propellers.-Airscrews with hollow blades each comprising sections of shell connected side by side to an arm are secured to the arm by brackets engaging collars or flanges integrally formed on the arm. When three sets of brackets are employed, the inner and outer ones take the torque and the middle one takes the centrifugal force. The arm A is provided with pairs of collars B with a larger collar C between them, the collars B being clasped by brackets D. which are slotted to engage the collar C, transverse ribs being utilized to prevent the brackets slipping round. The ends of the brackets are secured together by rivets G and plates F are used to connect adjacent sets of brackets. The end collars C are each engaged by brackets I, K that receive the screws S by which the shell members T U are secured. Tubular distance-pieces L are fitted which are upset to lock the connecting plates F. The brackets I, K carry transverse ribs M, N on which the shell members rest. The centre collar and brackets may be dispensed with.
Patent GB-288353-A (GB)
Title: Joint for the springs of motor vehicles
IPC: B60G11/12
Filed: 1926-12-06
Abstract: 288,353. Powell, H. S. Dec. 6, 1926. Laminated springs; resilient shackles.-A cylindrical indiarubber-bushing 5 interposed between the ends of a laminated motor-car spring and the bolts 15 connected to the frame or to the shackle links, is mounted on a polygonal or similarly shaped sleeve 6 so as to prevent it from creeping relatively to the bolt 15. The sleeve 6, the bushing 5 and an outer cylindrical sleeve 1 are first assembled and inserted into the eye 3 of the spring and the whole is then placed in position in the fork 10 and the bolt 6 inserted. The bolt 15, except for the screwed ends, is shaped to fit the sleeve 6 and also fits similarly shaped holes in the fork 10. A shoulder 2 on the sleeve 1 helps to position the spring eye 3.
Patent GB-341097-A (GB)
Title: Improvements in or relating to visual signalling devices
IPC: G08B5/36
Filed: 1929-10-11
Abstract: 341,097. Moving signs. AUTOMATIC TELEPHONE MANUFACTURING CO., Ltd., Strowger Works, and SMITH, S. F., 24, Wavertree Nook Road, Garden Suburb, Wavertree, both in Liverpool. Oct. 11, 1929, No. 30936. [Class 3 (i).] Comprises a cylindrical structure composed of a number of plane slats which are movable from their normal position so as to expose different surfaces and thus display a cylindrical sign of different appearance. In the example shown, the sign is arranged on a police telephone box and comprises metal slats 10 painted say, white and red on opposite faces and rotatable about their longitudinal axes by a gear 12 on a spindle 13 engaging pinions 11 on the slats. The operating lever 14 is held against the tension of a spring 15 by a flat on the lever engaging a flat on the armature 16 of an electromagnet. When the central station rings up, the magnet is energized and the lever 14 released whereupon the spindle 13 is rotated by the spring. A lamp 29 is fed from supply leads subject to the time-switch control of the ordinary street lighting system. When the signal is operated, a mercury switch is tilted, and if the street lighting circuit is energized, the lamp 29 will light. On opening the door of the box to obtain access to the telephone, a rod moves under the influence of a spring and engages an arm to restore the signal to normal and extinguish the lamp. In a modification, there are two rows of slats, one fixed and the other movable, the latter being inclined at a slight angle so as to move in front of or behind the adjacent slat, the general cylindrical appearance being preserved.
Patent GB-1446116-A (GB)
Title: Coin storage means for receiving and returning coins
IPC: G07F1/04
Filed: 1974-07-12
Abstract: 1446116 Coin storage means LANDIS & GYR GmbH 12 July 1974 [26 July 1973] 31000/74 Heading G4X A coin storage means for receiving and returning coins has a spiral passage 13 which forms a storage means and in which coins are held at uniform spacings in the peripheral direction of the spiral by plates 25. The storage means is connectible to a machine 1 and coins pass into the means via passage 10 which is in an end plate 11. Spiral rings 12 are clamped together by screws 14 to form a cylindrical ring Z and the passage 13. Apart from coin insertion slot 10a there is a coin discharge slot 30 and a coin collecting slot at the end of the passage which leads to a coin collecting box. A continuously or stepwise driven rotor 20 is rotatably mounted in tube 19. An electromagnet 31 controls movement of armature 32 that engages in one of a series of bores 33 for locating the rotor at set positions. Optical equipment used in conjunctions with bores 35 allow for indication in the event that the supply of coins 15 stored falls below a minimum level. As shown in Fig. 4 coins are held between adjacent plates 25. In operation coins are fed along passage 10 into passage 13. Incremental rotation of cylindrical ring Z causes the coins to be moved around and along passage 13. When the store is full an addition of a further coin causes another coin to be deposited in a collection box. If coins are to be dispensed the ring Z is rotated in the reverse direction so that coins can be dispensed through slot 30. The storage means is mounted on a machine by pin 2. Spring loaded lever 5 engages recess 6 to hold it thereon. The storage means can be adapted for different size coins.
Patent GB-763316-A (GB)
Title: Improvements in or relating to transistor circuits for stabilizing voltage
IPC: G05F1/56
Filed: 1954-10-27
Abstract: 763,316. Smoothing direct current. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Oct. 27, 1954 [Oct. 30, 1953], No. 31012/54. Class 38 (2). In order to stabilize the voltage across a load 6 in the collector circuit of a transistor 4, the emitter circuit of which is connected to a D.C. supply subject to fluctuations and the base circuit of which includes a comparatively high resistor 7, the base circuit is energized with fluctuating volts from the input. This may be done by connecting a capacitor 9 between the emitter and a centre tap 8 on the resistor 7. For complete compensation three capacitors may be connected between the emitter and three different tapping points on resistor 7, Fig. 3 (not shown), or, where as shown the D.C. supply is derived through a rectifier 2 from an A.C. source, the lower end of resistor 7 may be connected at 17 to a tapping on the input transformer, Fig. 4. In a further modification, the capacitor 9 may be replaced by a capacitor in series with a resistor which may be the heater filaments of electric discharge tubes supplied from the A.C. supply. Specification 752,031 is referred to.
Patent GB-1346653-A (GB)
IPC: B61K9/08
Filed: 1971-07-02
Abstract: 1346653 Measuring railway track parameters F PLASSER 2 July 1971 [9 July 1970] 31049/71 Heading G1N In a self-propelled machine for determining twist of a railway track, relative inclination of two track-feeling axles or axle assemblies is converted into a corresponding electrical signal by an inductive displacement transducer 22, 23. In Fig.2, diagonal bars 18a, 18b are pivotally connected by ball joints 20 at one end and levers 19 at the other end to the track-feeling axles, one of which is part of a non-load-bearing trackfeeling wheel assembly 6<SP>1</SP> and the other of which is a main load-bearing axle 2<SP>1</SP> supporting the undercarriage of the machine, whereby twisting of the track under load can be measured. The armature 22 of the transducer is connected to one bar 18a and the other bar 18b carries two coils (25) in a stainless steel housing 23. In Fig.2a, two non-load-bearing track-feeling axles 9, 9<SP>1</SP> are connected to the transducer via levers 24a, 24b. The coils (25, Fig.5, not shown) of the transducer are connected with two resistors in a bridge circuit energised with stabilised alternating voltage and connected via an amplifier (26) to an indicator (12) and recorder (13). The machine may also include means for measuring versine, joint dip and gauge, and a computer. A machine for correcting rail position may be automatically controlled. The track-feeling wheels are hydraulically raised off the rails during non- measuring transit.
Patent GB-322296-A (GB)
Title: Improvements in or relating to the protection of metallic surfaces from corrosion
IPC: C23C10/34
Filed: 1928-10-26
Abstract: 322,296. Coles, S. O. Cowper-, Taylor, L., Gould, A. A., and Lucas, P. G. Oct. 26, 1928. Addition to 308,180. Drawings to Specification. Coating.-The sherardizing process described in the parent Specification is carried out in an atmosphere of carbon dioxide. The gas is supplied to the chamber containing the articles to be treated by means of rigid or flexible pipes, through hollow trunnions, or to an external casing surrounding the perforated chamber in which the articles are sherardized.
Patent GB-1048344-A (GB)
Title: Refractory material
Inventor: CRESPI GIOVANNI
IPC: C04B35/057
Filed: 1963-08-07
Abstract: A basic refractory mixture comprises a calcined mineral e.g dolomite which may be stabilized of calcium and/or magnesium with 10-30% by weight of calcium and/or magnesium nitrate.  Bauxite, alumina, cyanite, magnesite, chromite, sillimanite and phosphorite can be present.  The nitrates may be partly replaced by aluminium nitrate and/or sulphate, and ferric perchloride can also be present.
Patent GB-520265-A (GB)
Title: Improvements in or relating to gun laying mechanism
IPC: F41A27/06
Filed: 1938-10-28
Abstract: 520,265. Ordnance mountings. RHEINMETALL-BORSIG AKT.-GES., ULRICH, V., and DIENER, R. Oct. 28, 1938, No. 31219. [Class 92 (i)] [Also in Group XXIV] A handle for effecting gun-laying operations is provided with means for changing over from one laying speed to another without interruption of the gun-laying operation. The pinion 10, Fig. 1, gearing with the ring 3, for training the gun, is mounted on the hub of a toothed wheel 7 which is mounted on the spindle 8<SP>1</SP> of a handwheel 8, the toothed wheel having riveted thereto a toothed ring 9. A bearing flange 1 fixedly carried either by the upper or lower gun carriage carries a locking plate 4 having a number of recesses 5. The handwheel 8 is provided with a rotatable handle 12 axial movement of which is prevented by a pin 13. A lever 19 pivoted on the handle at 20 is urged by a spring 21 away from the handle and is fitted with a toothed member gearing with a pinion 23 which, in turn, meshes with teeth on a bolt 18. In the position shown, the bolt engages in one of the recesses 5 and maintains the training gear locked. On the lever 19 being gripped so that the projection 19' thereon engages a step 25<SP>1</SP> on a spring-pressed pawl 25, the bolt 18 is withdrawn, thereby unlocking the handwheel which, when turned, drives the pinion 10 through the differential gearing constituted by a toothed wheel 1<SP>1</SP> carried by a sleeve 17 splined in a sleeve 16 having teeth engaging the toothed ring 9. If the pawl 25 is pressed and further movement imparted to the lever 19, the bolt 18 slides the sleeve 17 so that the toothed wheel 1<SP>1</SP> thereon meshes with the wheel 7 thereby enabling the handwheel to drive the pinion 10 directly. In a modification, the handwheel 8, Fig. 2, housing the change-gear mechanism has a sliding bar 27 for actuating the gear change, this bar being governed by a three-armed lever 28 which is controlled by a slidable hand-grip 19, the lever 28 being main-- tained in either of two positions by an overcentre spring 26b.
Patent GB-1424839-A (GB)
Title: Apparatus for producing mouldings by compressionp
IPC: B28B3/02
Filed: 1973-06-29
Abstract: 1424839 Vibration moulding VEREINIGTE ALUMINIUM-WERKE AG 29 June 1973 [4 July 1972] 31238/73 Heading B5A Apparatus for producing carbon mouldings comprises a vibratory table A supported on springs and having built-in, out-of-balance weights B, a moulding box X in which a cover plate E is guided by rods G so as to rest on the material to be moulded, drive means for controlling the vibration frequency by varying the speed of rotation of the shafts carrying the weights and a base plate D laid loosely on the table and connected to the bottom plate C of the mould box X via fasteners J, the base and cover plates being connected, e.g. through tie-rods F to form a unit so that vibrations can be imparted from the table to the cover plate.
Patent GB-248681-A (GB)
Title: Improvements in instruments for use in destroying flies and other insects
IPC: A01M3/02
Filed: 1925-12-10
Abstract: 248,681. Abbott, G. S. Dec. 10, 1925. Insects, destroying. -The device comprises a number of narrow strips of leather or artificial leather secured in a holder fromed with a, handle. In the form shown two strips of leather a, a<1>, superposed one upon the other, are split to form a number of narrow strips or thongs extending to within about two inches of one side. The two strips are then gripped between two metal plates b, b', which are inserted in a slot c<1> formed in a handle c and are secured by rivets c<2>. The strips may be secured to an ornamental leather holder and the handle mav be formed of stiff leather or of material covered with leather.
Patent GB-776523-A (GB)
Title: A process for the manufacture of a growth-promoting hair lotion
IPC: A61K8/36
Filed: 1955-11-02
Abstract: A stable hair lotion for promoting the growth of hair is prepared by boiling comminuted sticks of celery with water, filtering the solution, adding ethyl or methyl alcohol and pure birch juice to the filtrate, and then causing the solution to ferment by allowing it to stand for a considerable period e.g. 40 days at a temperature of approximately 20 DEG C. to 40 DEG C.
Patent GB-607226-A (GB)
Title: Improvements in spring lever-clips particularly for use as domestic clothes pegs
IPC: D06F55/02
Filed: 1945-11-21
Abstract: 607,226. Spring clips. BROOK, E. J. L., and WOOD, L. Nov. 21, 1945, No. 31285. [Class 44] The lever members of a spring clip particularly for use as a domestic clothes peg, are provided at their pivotal points with openings 6 for accommodating the torsional springs 9 and each lever is also provided with opposite laterally arranged lugs 7 which operate as locating means for the springs. The spring may be of the coiled type as shown, the convolutions of which engage lugs 7, or of the double-limb blade type, the throat of which engages the lugs 7. In this latter case the. limbs engage at their terminations in notches in the grip end of the clip.