baber/WOPTO huggingface dataset:
Patent GB-1035112-A (GB)
Title: A walking support method for face workings for mines
IPC: E21D23/00
Filed: 1964-01-28
Abstract: 1,035,112. Advancing mine roof supports. BERGBAUSTAHL G.m.b.H. Jan. 28, 1964 [Feb. 9, 1963], No. 3578/64. -Heading F1P. A method of advancing mine roof support assemblies wherein each support assembly comprises a rearward roof support and a side-by-side forward roof support guided on one another and each comprising respectively two units 1, 2 and 3, 4, comprises the steps of advancing the forward unit 1 of the rear support (positions A-A4), then the rearward unit 2 of the rear support up to the forward unit 1 (position B), then the forward unit 4 of the originally forward support (position B1) and finally the rearward unit 3 of the originally forward support up to the unit 4. Hence during advance of a unit the roof is supported by the other three units. The units each consist of a prop supporting a roof bar and each roof bar is positively guided along the adjacent roof bars of the units of the other support. The units are advanceable by double-acting advancing rams connected between the units of each support. In a modification a single ram mounted between the units of a rearward support is transferable after effecting the advance of that support to the associated front support for effecting its advance. The advance of each unit may be accomplished in steps by arranging for the advance to be carried out by jacks having a shorter extended length.
Patent GB-806384-A (GB)
Title: Anthrone derivatives
Inventor: FAIRWEATHER DAVID ALEXANDER WH
Filed: 1956-02-06
Abstract: The invention comprises dianthronyl ethane diols of the formula <FORM:0806384/IV (b)/1> where X is a hydrogen atom or a halogen atom, and a process for making them by heating glyoxal and an anthrone of the formula <FORM:0806384/IV (b)/2> in a substantially neutral water-miscible organic solvent. Halogen atoms specified are chlorine and bromine.  Anthrones mentioned are anthrone, 1- and 2-chloro-, 1- and 2-bromo-, and 1:8-dichloro-9-anthrones.  Organic solvents are methanol, ethanol, acetone and acetonitrile and mixtures thereof with water.  Glyoxal may be used as such or as an aqueous solution, or in the form of glyoxal polymer or polyglyoxal, or a glyoxal derivative such as glyoxal sulphate.  When the glyoxal derivative used liberates acid, an acid-binding agent such as sodium acetate is present. The invention also comprises a process for making dianthonylidene ethanes of the formula <FORM:0806384/IV (b)/3> where X has the meaning given above, by treating the diols of the above formula with a dehydrating agent or agents.  The reaction may be conducted by heating the diol in an organic solvent, such as nitrobenzene, acetic acid or ethylene dichloride with one or more dehydrating agents such as sulphuric acid, chlorosulphonic acid, acetic anhydride and benzoyl chloride. Examples are given. The Provisional Specification describes dianthronyl ethane diols of the above general formula but without any limitation as to the nature or position of the substituents in the anthrone nucleii. The use of 2-hydroxy-9-anthrone as a starting material in their preparation is also mentioned.  Specifications 296,817, [Class 2 (iii)], anf 551,622, [Group IV], are referred to.ALSO:Acedianthrones are made by heating dianthronyl ethane diols of the formula <FORM:0806384/IV (c)/1> where X is a hydrogen atom or a halogen atom with a dehydrating agent such as sulphuric acid, chlorosulphonic acid, acetic anhydride or benzoyl chloride or mixtures thereof, if desired in an organic solvent such as nitrobenzene, acetic acid or ethylene dichloride to form a dianthronylidene ethane of the formula <FORM:0806384/IV (c)/2> and heating the latter or the suspension of the latter in the organic solvent, obtained in the above reaction, with sulphuric acid. Dianthronyl ethane diols of the above general formula made by reacting glyoxal with anthrone, 1- or 2-chloro-9-anthrone, 1- or 2-bromo-9-anthrone, or 1 : 8-dichloro-9-anthrone may be used. Examples are given.  The Provisional Specification also relates to the use of dianthronyl ethane diols of the general formula above without limitation as to the nature or position of the substituents on the anthrone nuclei.  Reference is made to compounds substituted by hydroxy groups.  Specifications 296,817, [Class 2 (iii)], and 551,622, [Group IV], are referred to.
Patent GB-1136076-A (GB)
Title: Improvements in or relating to encapsulating a component
Inventor: ROWSE JOHN CHARLES
IPC: H01F41/00
Filed: 1965-01-27
Abstract: 1,136,076. Encapsulating transformers, PLISSEY UK Ltd. 27 Jan., 1966 [27 Jan., 1965 No. 3629,65. Heading B5A. [Also in Division H1] A magnetic component is encapsulated by supporting it in a mould, surrounding it with a foamed synthetic resin and curing the resin to form a rigid foam enscapulation without significantly compressing the component. An epoxy resin, such as Scotchcast, in powder form and containing a hardener, is poured around a component supported in a mould to occupy one quarter of the volume to be filled. The assembly is heated to 90-100‹ C. for one hour to foam the resin then baked at 110-120‹ C. for two hours to cure the resin. An alternative foaming resin is Eccofoam. Changes in inductance due to encapsulation of an A.F. output transformer and ferrite toroidal and pot-cores for computers are contrasted with inductance changes produced when the components are encapsulated in liquid epoxide resin. The temperature coefficient of inductance of an encapsulated pot-core is also said to be reduced.
Patent GB-625589-A (GB)
Title: Container for safety razor blades
IPC: B65D83/10
Filed: 1947-02-07
Abstract: 625,589. Razor-blade holdere. PUTSEY, J. R. Feb. 7, 1947, No. 3661. [Class 131] A receptacle for razor blades comprises a box-like body portion 1, lined with soft material 2, provided with a hinged or separable lid 8 and enclosing a sinuously folded strip of impregnated material forming a series of blade-receiving pockets 4. A spring- pressed plate 5 may bear on one end of the strip, backing pads 7 may space the pockets and a container for unused blades may be provided at one end. In a modification the strip may be folded on itself before being folded sinuously.
Patent GB-710075-A (GB)
Title: A machine for moulding lumps of plastic material into a more or less spherical form
IPC: B29C48/595
Filed: 1950-02-14
Abstract: 710,075. Making dough balls &c. GARNER, J. H. Feb. 8, 1951 [Feb. 14, 1950], No. 3691/50. Class 87 (2) A machine for making balls of dough or other plastic material comprises a vertical rotatable cylinder B disposed closely around a stationary track A that is substantially helical and is formed around a tubular passage E<1> open at the top and terminating at the bottom in a deflecting surface G' and lateral opening F which together form the commencement of the track, the surface G<1> defining with the cylinder wall a wedgeshaped space, whereby, the rotation of the cylinder causes shapeless material that has been fed into the top of the passage E<1> and follows on to the deflecting surface G' to be moved up the track and delivered at the end of the helix above the top of the cylinder. The cylinder is rotated by an electric motor D through a induction gear C.
Patent GB-221425-A (GB)
Title: Improvements in or relating to suspension devices for vehicles
IPC: B60G11/04
Filed: 1924-02-12
Abstract: 221,425. Gaupillat, J., and Thinard, E. Feb. 12, 1924. Springs, arrangement of.-A spring suspension for motor and other vehicles comprises a lever 4 which oscillates on a pin 3 connected to a resilient extension 2 of the chassis 1 and carries at its inner end a steel axle 5 for the wheel 6, the outer end of the lever being connected to another resilient extension 8 of the chassis. As shown, the resilient extensions comprise quarter-elliptic springs, the spring 8 being connected to the lever by a shackle 7.
Patent GB-219889-A (GB)
Title: Improvements in and relating to extension rails for mine railways and the like
IPC: E01B23/02
Filed: 1924-02-13
Abstract: 219,889. Tompkins, H. P. Feb. 13, 1924. Portable railways; rail sections, saddle; wheel stops; sleepers, composite. - Extension rails for mine railways comprise a flat tread 5 centrally channelled at 6 and provided with sloping sides 3 and foot-flanges 4. One of the sides 6<1> of the groove 6 engages one side of the head of the main track rail 1. The extension rail is bevelled at one end and provided at the other end with a handle 10 which also serves as a wheel stop. The extension rail may be secured to the rail 1 by wedges 14. The sleepers comprise three sections, an upper metal part 16 and two lower wooden parts 15, 17.
Patent GB-538631-A (GB)
Title: Improvements in methods of controlling the speed of alternating current motors
IPC: H02P25/20
Filed: 1940-03-04
Abstract: 538,631. Control of A.C. motors. BRITISH THOMSON-HOUSTON CO., Ltd., WALKER, J. H., and ADKINS, B. March 4, 1940, No. 3993. Addition to 457,460. [Class 38 (iii)] [Also in Group XXXV] In the method of regulating a shunt polyphase commutator motor as in the parent Specification, the induction regulator wound for two pole numbers is constructed so that the induced voltages are unequal in magnitude, the ratio being approximately 3 or 4 to 1. Further features reside in injecting into the rotor circuit an unvarying voltage as by transformer 8, Fig. 4. The unequal windings 9, 10 can be connected in series with each other, or one can be supplied from across the transformer 8. The secondary windings of the regulator can be combined into a single as shown in Fig. 6.
Patent GB-1177231-A (GB)
Title: Improvements in or relating to Tanks for Liquified Gases
IPC: F17C13/12
Filed: 1967-01-27
Abstract: 1,177,231. Liquefied gas containers. G. J. H. TREPAUD. 27 Jan., 1967 [28 Jan., 1966; 10 June, 1966; 12 Jan., 1967], No. 4071/67. Heading F4P. In the event of an undue external temperature rise, liquefied gas e.g. butane stored under pressure at or below a level 16 in an inner tank 1, Fig. 1, is caused to rise up the annular space 7 between tank 1 and a surrounding tank 5 thereby cooling the latter and the so-vaporized butane is freed of entrained liquid particles by passage through a conventional separator 13, 14, 15 and is then passed through a duct 12 containing a bursting disc 23 to an open-air burner system (not shown). The bottom portions of tanks 1, 5 are connected by ducts 8, 8<SP>1</SP> having normally closed valves 10, 10<SP>1</SP> which open at a predetermined temperature to allow access of liquid butane to annular space 7 and also through apertures 20, 21 in hollow tank-supporting legs 2. Liquid particles separated by an annular baffle 14 and a filter mesh 15 are returned through a funnel 13 and a vertical duct 3 to the lower portion of the outer tank 5. The latter is coated externally by an asbestos layer 6. In a modification the upper and lower portions of inner tank 1, Fig. 4, are open to the outer tank 5 and liquid forced up space 7 is vaporized,. freed from liquids by baffles 45, 13, 14 and is relieved through valves 70, 70<SP>1</SP> to the open-air burner. In a further modification, when the upper and lower portions of the inner tank 1, Fig. 5,. are open to the tank 5, the inner tank is formed of separate segments 1a, 1b, Fig. 7, secured along their edges to spaced rectangular sectional ducts 46, 46<SP>1</SP> which extend in vertical meridian planes and are welded to the outer tank 5. The duets are open at their lower ends 47, 47<SP>1</SP> and are connected at their upper ends 48, 48<SP>1</SP> to atmosphere through a fuzible disc 50, Fig. 6 and a next duct 49 and also to the inner tank through a non-return valve 52.
Patent GB-440858-A (GB)
Title: Improvements in or relating to suspension systems for road vehicles
IPC: B60G11/14
Filed: 1935-02-08
Abstract: 440,858. Vehicle spring-suspensions; vibration-dampers. ROESCH, G. H., and TALBOT, Ltd., C., Barlby Road, Ladbroke Grove, London. Feb. 8, 1935, No. 4150. [Classes 108 (ii) and 108 (iii)] In spring-suspensions in which the wheel carrier may have movement about a transverse horizontal axis and also about a longitudinal axis the relative rotation about the longitudinal axis is opposed by a spring disposed between the frame and a part of the carrier which is located away both from the longitudinal axis and from the wheel axis. The axle assembly comprises a tubular member 17 and axle casings 11 the axles 14 being driven through the differential in the casing 12 by the shaft 16 connected by double Hooke's joint 39 to the driving shaft 40 having bearings in the central chassis frame member 10. The end of the tubular member 17 is provided with a spherical member 18 having trunnion members 21 adapted to take into circumferential slots in the socket member 19 carried by the frame. The socket member 19 is formed within a two part casing 20 and is provided with guides 23 about the slots to guide the trunnion members. Forming part of the trunnions are bracket arms 24, 25 arranged to bear on spring plates 27 between which and platforms 28, 30 forming part of the casing 20 are arranged springs 29 the arrangement permitting movement of the axle about a transverse axis passing through the trunnions 21 and also about the central longitudinal axis but prevents movement about a vertical axis. Radius rods 36 having spherical ends are provided. The spring plates 27 are provided with piston rods 31, having packing washers 32 and guided on pins 35 to serve as a vibration damper.
Patent GB-697907-A (GB)
Title: Improvements in or relating to electrical time delay devices
IPC: G04F3/06
Filed: 1950-02-17
Abstract: 697,907. Time switches; actuation of switches. BRIGGS, G., and B. V. C. ELECTRONIC DEVELOPMENTS, Ltd. May 17, 1951 [Feb. 17, 1950], No. 4167/50. Class 38(v) Micro-switches 26, 27 are operated by a member 18 after an adjustable time-delay after the energisation of an electromagnet 12 which moves the member 18 into engagement with a motor-driven worm 11. The member 18 is carried by a slide 17 movable on a rail 15 fixed to the magnet armature 13, energisation of the magnet tilting the armature counter-clockwise about its pivot 14 against the action of a return spring 20 to engage the member 18 with the worm and to close a motor starting switch 22. At the end of the delay period, an arm 19 carried by the slide 17 engages a lever 28 co-operating with the operating knobs of switches 26, 27, one of which stops the motor and the other of which controls the load circuit. On de-energisation of the magnet, the switches 22, 26, 27 restore and the slide 17 moves to the right against a stop formed by the end of the armature. The switches 26, 27 are mounted on a carrier 23 which is slidable along rods 24 parallel to the worm to adjust the time-delay. The lever 28 has a lug 28a, Fig. 3, by which it pivots in a hole 40 in an adjustable lever 41, and has a lug 28b movable in an elongated slot 42 in the carrier 23. By adjusting the lever 41 so that the pivot of lever 28 is behind the operating knobs of switches 27, 26, as shown, they are operated in that order, and may be operated simultaneously by suitable adjustment of lever 41.
Patent GB-654413-A (GB)
Title: Improvements in or relating to electronic view-finders for television cameras
Inventor: PEMBERTON MAX ERIC
IPC: H04N5/232
Filed: 1948-02-13
Abstract: 654,413. Television. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Feb. 13, 1948, No. 4217. Drawings to Specification. [Class 40 (iii)] In an arrangement comprising an electronic view-finder fed with picture signals generated in a television camera, the area of the scanned patch in the camera is made larger than the area from which picture signals are derived and transmitted, and the signals derived from the larger area are fed to the view-finder so that it reproduces a picture which extends beyond the limits of the picture transmitted. According to another feature of the invention the additional area which becomes available in the view-finder may be utilized to display instructions transmitted to the camera operator, these instructions appearing either alone or superimposed on picture signals reproduced in the additional area. The increased area is made available by reducing the fly-back time and making corresponding increases to the sweep time of the scanning waves applied to the camera and viewfinder. The picture signals are, however, only transmitted for the normal time, and to cause the added area to appear as a border surrounding the transmitted picture, the synchronizing pulses for the camera and viewfinder scans are delayed with respect to the transmitted picture synchronizing pulses. The beginning and end of the scans may be accelerated so as to increase further the additional area of scan visible in the viewfinder. Due to the acceleration, the added area is less bright and the view-finder displays a bright centre patch corresponding to the transmitted picture surrounded by a less bright border of the surrounding scene. A border line around the transmitted picture may be produced by differentiating the suppression pulses corresponding to the transmitted signal and mixing the resultant pulses with the signals fed to the viewfinder.
Patent GB-1244254-A (GB)
Title: Devices for comparing the frequency and/or phase of two electric signals
Inventor: BEAUVIALA JEAN PIERRE
IPC: H02P23/18
Filed: 1969-01-24
Abstract: 1,244,254. Frequency and phase comparators, transistor pulse circuits. J. P. BEAUVIALA. 24 Jan., 1969 [26 Jan., 1968], No. 4239/69. Headings H3A and H3T. [Also in Division G3] An arrangement for comparing the phase and/or frequency of two pulse signals I 1 , I 2  comprises a binary assembly A having a first input and an output for signal I, and a second input for signal I 2  and a binary assembly C having a first input and an output for signal I 2  and a second input for signal I 1 , the output of each being coupled to the second input of the other. Logic circuits 1, 2, 3 shape input signal E1 to produce narrow pulses I 1  and logic circuits 4, 5, 6 similarly shape signal E 2 . If the frequency of signal E 1  is greater than the frequency of E 2 , bi-stables B, C remain in their set states to produce a " 1 " output at terminal S, and bi-stable A switches between its set and reset states. If the frequency of E 2  is the greater, bi-stables A, B remain in their reset states to produce a " 0 " output at S, and bi-stable C switches between its two states. When the two input frequencies are equal, the bi-stable B switches between its two states to produce a pulse output which depends on the phase difference between the two signals. The comparator may be employed in a servo loop controlling the frequency of a line scan oscillator, Fig. 6 (not shown), or in one controlling the speed of a motor, Fig. 5 (not shown). If the servo loop is to be adjusted to a value corresponding to zero phase shift, two intermediate bi-stables (B1, B2), Fig. 3 (not shown), are used, one producing a switched output over the phase range 0 to 2# and the other producing an output over the phase range 0 to - 2#.
Patent GB-603293-A (GB)
Title: Improvements in or relating to yarn winding machines
IPC: B65H54/36
Filed: 1945-02-20
Abstract: 603,293. Winding yarn &c. JENCKS, C. D. Feb. 20, 1945, No. 4282. Convention date, April 14, 1944. [Class 120(ii)] A winding machine of the kind in which a thread &c. is led to a rotatable spindle by a reciprocating guide positively retracted from the spindle, comprises means for intermittently retracting the guide in steps of predetermined amplitude timed to take place consecutively and dependent on the changing diameter of the package being wound. The thread guide 19, reciprocated by cam mechanism, is carried by a frame 17 which also carries a yoke 20 in. which is journalled a roll 21. At one end the roll 21 is furnished with a fibre sleeve 22 in which is set a longitudinallyarranged metal key. Two leaf springs 24, bearing upon the sleeve 22, form parts of a circuit comprising a solenoid 26. When the package grows and by contact rotates the roll 21, the metal key and springs 24 close the circuit to the solenoid 26, an armature 28 which is attracted thereby moves a pawl 31 to rotate a ratchet wheel 32 to wind up a length of a chain 34 attached to a bracket 35 on a weighted arm 36 to move the back part of the winder, which carries the traverse mechanism, away from the package to separate the roll 21 from the package. When contact again takes place, the back is again moved away from the package. In a modification, the tension of the yarn being wound is utilised to rotate the roll 21 without actual contact with the package. In a further modification, a micro-switch, operated by a chain and lever through the rotation of the roller contacted by the rotating package brings the solenoid 26 into operation. In a still further modification, Fig. 5, an electric motor 53, which is energised by the micro-switch of the previous modification, drives a reduction gear train 55 which drives a further reduction gear 58, 59, 60, 61, the gears 60, 61 differing by only one tooth, to rotate an arm 64 which moves the back and thread guide away from the package. A toothed disc on the motor shaft controlling a second micro-switch governing another circuit to the motor may be fitted so as to produce operation of the motor for a predetermined time interval at each operation thereof.
Patent GB-388201-A (GB)
Title: Improvements in or relating to containers or receptacles for cocktails
IPC: B65D23/12
Filed: 1932-02-13
Abstract: 388,201. Beverages. GALE, LISTER, & CO., Ltd. 51, Corn Exchange, Duncan Street, and ANDERSON, C. W., Suffolk House, Cumberland Road, Headingley, both in Leeds. Feb. 13, 1932, No. 4312. [Class 14 (ii).] The stopper 6 of a bottle 1 for cocktails is provided with a glass or wood stick 8 upon which stoneless cherries 9 are impaled. Provision is made for associating with the bottle short pointed sticks for manipulating the cherries.
Patent GB-400824-A (GB)
Title: Improvements in demountable wheels
IPC: B60B3/18
Filed: 1933-02-13
Abstract: 400,824. Vehicle wheels. LEBEL, L., Weedon, Quebec, Canada, and ROSENTHAL, J., Times Building, 42nd Street, New York, U.S.A. Feb. 13, 1933, No. 4409. Convention date, Feb. 22, 1932. [Class 144 (i).] A detachable wheel is secured by levers pivoted in the hub and moved into, or out of, locking-engagement with slotted studs on the permanent hub by means of a hand-lever fitted within the detachable hub. In the construction shown, a pair of levers 31, 32 pivoted on pins 33 in the detachable hub are formed with taper-walled recesses to engage slotted studs 23 projecting from the back-flange of the permanent hub 21. The levers 31, 32 are connected by a link 37 on which the operating-lever 42 is hinged. The latter is fitted with a spring-pressed pin 45 adapted to snap into locking-engagement with a plate 49 when the parts are in the operative position shown in Fig. 3.
Patent GB-312899-A (GB)
Title: Improvements in and relating to the blades of screw wheels for propellers, turbines,pumps, windmills or the like
IPC: B63H1/26
Filed: 1928-03-31
Abstract: 312,899. Adamcikas, M., (known as Adamtchik, M.), and Massera, G., March 31, 1928. Divided on 312,748. Drawings to Specification. Screw propellers.-In a screw propeller the width and geometrical pitch are greatest at the hub and the pitch and width diminish toward the middle of the blade, whilst from the middle towards the tip the width is maintained constant and the pitch decreased or the width is decreased and the pitch increased. Where alternate long and short blades are employed the width is distributed between them as far as the middle of the long blade is concerned.