baber/WOPTO huggingface dataset:
Patent GB-471307-A (GB)
Title: Improvements in and relating to builders' drying stoves
IPC: E04B1/70
Filed: 1937-02-05
Abstract: 471,307. Air - heating stoves. SCHWARTZKOPF, F. Feb. 5, 1937, No. 3503. Convention date, Feb. 5, 1936. [Class 64 (i)] A builder's drying-stove consists of a coke basket with vertical tubular side bars 1 surrounded by a casing 5 spaced from the bars to form an open-ended jacket in which air entering from the room and circulating upwards is heated and enriched with carbon dioxide by contact with the glowing coke. The air from the jacket is mixed with the air passing up through the tubular bars in a chamber B surrounding the smokebox A, and the mixture is taken off by distributing branches 16. The plates forming the casing are suspended from brackets 10 and are movable towards and away from bars to regulate the air circulation through the jacket. Products of combustion are returned from the smoke-box A through flues 19 to the bottom of the basket.
Patent GB-629413-A (GB)
Title: Improvements in or relating to splash backs or wall surrounds for kitchen furniture
IPC: F24B15/00
Filed: 1947-02-06
Abstract: 629,413. Mouldings. WELDALL & ASSEMBLY, Ltd., and LIGHTBOURNE, R. C. Feb. 6, 1947, No. 3505. [Class 20(iv)] [Also in Group XIV] A splash-back for the working surface of a kitchen cabinet consists of panels 1 carried by a flanged wall-plate 2, 3 spaced above the table surface 5, the gap being filled by a moulding 6, preferably bent from sheet metal, and having a sloping front face. Adjacent panel sections can be secured by wall plates 10 of channel section and additional matching mouldings may be provided to cover any gap between the ends of the cabinet and the walls of the room. A layer 4 of mastic or other adhesive material may be used behind the panels. Specification 614,013, [Group XIV], is referred to.
Patent GB-544570-A (GB)
Title: Improvements relating to variable-pitch airscrews
IPC: B64C11/42
Filed: 1941-03-15
Abstract: 544,570. Screw propellers. ABSALOM, K. C. March 15, 1941, No. 3577. [Class 114] Variable-pitch mechanism for a propeller or airscrew is driven by a shaft 11 which extends through the propeller-shaft and is geared to the blade-roots by bevel or other gearing, selectively-clutchable free gears 28, 32 on the shaft being driven in opposite directions by the propeller-shaft. When both gears are free, the shafts are coupled to rotate in unison. In one construction, the gears 28 and 32 are driven through intermediate gears 23 and 29, 30 by an annulus 20 on the propeller-shaft, and are provided with hydraulically-operated clutch-shoes 34. Hydraulically-operated clutch-shoes 38 cooperate with the annulus to couple the shafts. The clutch-shoes are controlled by a unit 41 comprising a valve 40 connected to a centrifugal governor 47, a plunger-valve 59, and a booster-pump 55. Normally, the clutch 38 is applied, and the shafts rotate in unison. If, however, the engine-speed increases, the valve 40 moves towards the right, pressure is transmitted through a line 45, the gear 28 is clutched, and the pitch is coarsened. Simultaneously, the valve 59 is moved towards the left, a line 43 is put to exhaust through a line 44, and the clutch 34 is released. Similarly, if the engine-speed decreases, the valves 40, 59 are moved towards the-left and right, the clutch 34 is released, the gear 32 is clutched, and the pitch is reduced.. For feathering or unfeathering, a control-handle 52, geared to the stop 50 of the governor-spring 48, is moved backwards or forwards, and power is supplied to the system by an additional booster-pump driven by an electro motor. When contra-rotating propellers are employed, the blades are connected by linkage.
Patent GB-849814-A (GB)
Title: Improvements in or relating to pre-stressed concrete elements
IPC: E04G21/12
Filed: 1956-02-06
Abstract: 849,814. Prestressed concrete elements. CONCRETE Ltd., and OYLER, G. Feb. 6, 1957 [Feb. 6, 1956], No. 3615/56. Class 20(4) Wires 20 are tensioned in a straight line in a mould and then are disposed so that parts of the wires are angularly displaced and concrete is cast about the wires. In constructing a truss, the wires 20 are tensioned between end plates 12, 13 and have centrally two plates 14, 15 which have holes through which the reinforcement is passed. The central plates 14, 15, Fig. 1, are raised to the position shown by the chain dotted lines by a jack operating on a cross girder 16 to which the plates are attached. Shuttering is then arranged round the wires, Fig. 2, and the concrete cast to form a truss. The mould may have hollow cores 24 but the end and centre parts are cast solid. When the concrete has set the member 16 is removed from the plates 14, 15 which are left within the concrete and the shuttering removed. The plates 14, 15 have apertures centrally, Fig. 3, (not shown) so as to allow continuous concrete mass between the hollow cores. The holes in the plates may be countersunk or bell-mouthed to prevent wires coming into contact with sharp edges. Larger holes may receive reinforcement bars.
Patent GB-158833-A (GB)
Title: Improvements in and relating to bootbrushes and the like
IPC: A46B15/00
Filed: 1921-01-31
Abstract: 158,833. Campion, P. Jan. 31, 1920, [Convention date]. Void [Published under Sect. 91, of the Act]. Boxes combined with brushes or pads; fittings, internal; contents, delivering.-A boot-cleaning device comprising a brush 1 and a pad 5 is placed in a box 6<1> which serves as a handle. The sides of the box have inwardly-stamped bosses or notches 7 resiliently holding the brush or pad in position, and the ends are slotted to facilitate removal of the device.
Patent GB-489965-A (GB)
Title: Improvements in or relating to inertialess switching devices
IPC: H03K17/88
Filed: 1937-02-08
Abstract: 489,965. Thermionic distributers. FERNSEH AKT.-GES. Feb. 8, 1937, No. 3686. Convention date, Feb. 7, 1936. [Classes 39 (i) and 40 (v)] A surface 6 emits radiation under the influence of an incident electronic beam, and the radiation is incident on a plurality of elements 8, the charge on which is varied by the incident radiation. The fluorescent screen 6 may be made of discrete areas corresponding to the photo-electric elements 8 or the fluorescent material scanned by the cathode-ray may be continuous. The light emitted is focused by a lens 7 on the photo-electric elements in a separate evacuated envelope 9. According to modifications : the photo-electrons are incident on secondary-emitting electrodes to increase the number of electrons collected on the respective anodes, which are connected to an equal number of elements disposed in a beam of light to control its intensity, Fig. 2 (not shown); the cathode-ray tube 1 is made of quartz, and the screen 6 emits ultra-violet light, which is incident on electrometer leaves in air.
Patent GB-671143-A (GB)
Title: Improvements in or relating to radio diversity receiving system
Inventor: EARP CHARLES WILLIAM
IPC: H04B7/08
Filed: 1950-02-14
Abstract: 671,143. Diversity receivers. STANDARD TELEPHONES & CABLES, Ltd. Feb. 14, 1950, No. 3740/50. Class 40 (v). In a space diversity receiving system for angularly modulated signals comprising a plurality of receiving aerials each coupled to a separate receiving channel means are provided for producing in each channel angularly modulated carrier waves, the mean frequency of the carrier waves being identical, and the instantaneous phases substantially the same, and means are provided for combining the modulated carrier waves in a common detector circuit. As shown in Fig. 1, the aerials 1 and 2 are coupled to the receivers 5 and 6 respectively, which are provided with a common local oscillator 7, the outputs being applied to I.F. amplifiers 10 and 11 respectively. Part of the outputs from 10 and 11 at a frequency f are applied to frequency changers 14 and 15, provided with a common oscillator 16 of frequency F and through filters 19 and 20, giving a phase shift proportional to frequency and selecting for example (F - f) or (F + f), to the respective frequency changers 21, 24, and part of the outputs at frequency f are also fed directly from 10 and 11 to the frequency changers 21 and 24. The outputs from 21, 24, have a mean frequency F, the frequency modulation being effectively changed to phase modulation and are substantially co-phasal, though the signals at the inputs to the receivers may have any random phase relation. These outputs are combined in a circuit 25 without any cancellation of signals from the two channels, and may be passed through a limiter circuit, and are applied to a phase demodulator circuit 28 together with a part of the output from oscillator 16 which provides a reference frequency for the operation of the demodulator circuit. Alternatively the output may be applied to a frequency discriminator circuit. In Fig. 2 (not shown), the portion of the circuit following I.F. amplifiers 10, 11 is shown in more detail. Any number of separate signal sources may be combined and A.G.C. may be provided by rectifying a portion of the output from the common load circuit. Specification 534,955 is referred to.
Patent GB-787077-A (GB)
Title: Improvements in travelling trolleys or carriages for supplying bobbins to twisting frames
Inventor: SOBEY FRANCIS THEODORE
IPC: B65H49/38
Filed: 1955-02-09
Abstract: 787,077. Supplying and collecting bobbins in textile spinning &c. machines. WADSWORTH & SONS, Ltd., E. Feb. 8, 1956 [Feb. 9, 1954], No. 3791/55. Class 120(3) A pair of back-to-back twisting frames mounts, on each side, a carriage adapted to travel the length of the frames under the guidance of upper and lower rails thereon, to carry skips of bobbins. Each carriage D comprises a frame formed with end members d and a back member d<SP>1</SP> connected to a base d<SP>2</SP> by a portion d‹ and a pivoted extension d<SP>4</SP> which, in one position, is held against stops to support a skip E of empty bobbins (which are to be placed on skewers E<SP>1</SP> ready for substitution when full bobbins are removed) as shown in full lines or a skip of full bobbins as shown in chaindotted lines, and, in another position, lies parallel with the front edge of the member d. The frame carries, at each end, horizontal runners d<SP>5</SP> and d<SP>7</SP> and a vertical runner d<SP>9</SP> engaging rails A and A<SP>1</SP> carried on brackets as at B: a bar(s) secured to the member d<SP>1</SP> may extend over the rail A<SP>2</SP> to prevent removal of the carriage therefrom, Fig. 3 (not shown).
Patent GB-846265-A (GB)
Title: Improvements relating to flexible diaphragms
Inventor: MEEKS LEONARD ERNEST
IPC: F16J3/02
Filed: 1956-02-07
Abstract: 846,265. Pressure gauges. ELLIOTT BROS. (LONDON) Ltd. Feb. 7, 1957 [Feb. 7, 1956], No. 3810/56. Drawings to Specification. Class 106 (2). [Also in Group XXVI] Flexible diaphragms for pressure gauges comprise a membrane of poly-tetra-halogenated-ethylene reinforced by a stainless steel gauge. The membrane may be of poly-tetrafluoro - ethylene or poly - chloro - trifluoroethylene. The gauge may be coated on one or both sides with the membrane material or embedded in a sheet of the material. The diaphragm may comprise two sheets of gauge and an intervening layer of membrane material.
Patent GB-325375-A (GB)
Title: Improvements in and relating to pop-guns
IPC: A63H5/04
Filed: 1929-02-05
Abstract: 325,375. Marangoni, S. Feb. 5. 1929. Guns. - The ball l projected by a pop-gun is deflected by a curved guide m, moves over the compression tube h in reverse direction, strikes a stop n and falls at the mouth of the tube into position for re-use. Two balls are provided, the air being compressed between them during the forward propulsion of the rearward one under the action of a spring-urged rod b. The rearward end of the tube h is flared and the forward end constricted. The spring is compressed by sliding a knob a, attached to the rod b, rearwardly, until a catch c thereon engages behind the end of a trigger spring e. The projected ball is prevented from returning into the guide m by means of a pivoted flap o.
Patent GB-414704-A (GB)
Title: Improvements in or relating to knitted fabric and to methods of and machines for producing such fabric
IPC: D04B1/06
Filed: 1933-02-08
Abstract: 414,704. Knitting. BENTLEY, P. A., GODDARD, J. H., DEANS, F. E., and MANGER, C. F., Komet Works, New Bridge Street, Leicester. Feb. 8, 1933, No. 3894. [Class 74 (ii).] Antiladdering fabric is formed of compound loops, each comprising a normal loop, and a longer check loop which latter, upon breakage of the threads of a loop is long enough to be left within, and retain control of, an adjacent loop which would otherwise be released. In Fig. 9, the threads forming the loops of course A, have broken at wale B. The normal-loop thread 18 of the compound loop 18, 20, has been straightened, and pulled out of the loop 22, but the longer check-loop thread 20 is still within it and inhibits the starting of a ladder. Assuming the needle to start from the clearing position the feeder 66 delivers the check-loop thread 12 from a hole in the lug 70 at a level just below the hook of the needle and the normal-loop thread 10, from the nozzle 68, at a level between the end and pivot of the open needle-latch. Rotation of the needle-cylinder brings the needle hook over the threads. The needle now descends, and the adjacent sinker 34 advances until the latch has closed upon the threads and they have been engaged by measuring surfaces 60, 62 on the sinker, as in Fig. 6, the sinker on the other side of the needle helping in the measuring operation. The sinker now starts to retire and the needle descends further until the threads lie in a vertical plane over the part 72 of the sinker. The needle then rises again, and the loops are knocked over by the surfaces 64 on the sinkers advancing on each side of it. The sinkers are arranged radially outside the needle circle, and move in grooves, their teeth being guided by a further groove in a cover ring. The radial movement may be effected by cams. Circumferential and radial adjustment is made possible. These details are not shown. Specifications 15008/00, [Class 74], and 24290/12, [Class 74 (ii)], are referred to.
Patent GB-384478-A (GB)
Title: Improved cap peak
IPC: A42B1/06
Filed: 1932-02-10
Abstract: 384,478. Caps. FOX, P., 591, Commercial Road, Whitechapel, London. Feb. 10, 1932, No. 3899. [Class 63.] In a cap, the peak stiffener has a crescent-shaped portion A B removed to give elasticity to the inner edge of the peak. Preferably, the stiffener is of rubber or rubber composition, and the crescent may be “ inch wide at its centre and be spaced “ inch from the inner edge of the stiffener.
Patent GB-414975-A (GB)
Title: Batch bobbins
IPC: B65H75/18
Filed: 1934-02-06
Abstract: 414,975. Rollers. ANDERSON, A. L., 37, Duchy Avenue, Toller Lane, Bradford, and KELLETT, S., Southlands, West Lane, Baildon, Shipley, both in Yorkshire. Feb. 6, 1934, No. 3917. [Class 42 (ii).] Metal end pieces are secured to the ends of batch bobbins 2 by bifurcated spikes &c. 7 the prongs of which are spread by wedge or like blocks 4 on or in the roller body as shown in Figs. 1 and 6 or formed on the end piece as shown in Fig. 4. The spikes &c. may be integral with the end piece as shown in Fig. 6, and the ends of the prongs may be bevelled off.
Patent GB-980196-A (GB)
Title: Process for removing acetone and other carbonyl compounds from vinyl acetate
IPC: C07C69/01
Filed: 1962-02-01
Abstract: Crude vinyl acetate, produced by reacting acetylene with acetic acid in the gaseous phase, is freed from acetone and other carbonyl compounds containing 3 carbon atoms, by submitting the crude ester to distillation in a fractionating column in the presence of an auxiliary liquid which forms with acetone an azeotrope having a lower boiling point than vinyl acetate. In an example, vinyl acetate containing 0.8% of acetone, 0.2% of acrolein and 0.1% of propionaldehyde is introduced into a column in admixture with cyclohexane.  Pure vinyl acetate is withdrawn in liquid form from the fifth plate below the top of the column. The azeotropic vapour mixture of cyclohexane and acetone, together with some vinyl acetate, which passes through the dephlegmator at the top of the column, is condensed.  The condensate is washed with water, and the cyclohexane which separates is mixed with the crude vinyl acetate being supplied to the column.  Among other azeotroping-agents referred to are:-heptane, chloroform, and carbon disulphide.
Patent GB-842502-A (GB)
Title: Improvements in or relating to printing presses
IPC: B41F3/58
Filed: 1958-02-07
Abstract: 842,502. Cylinder printing machines. SCHNELLPRESSENFABRIK AKTIENGESELLSCHAFT HEIDELBERG. Feb. 7, 1958 [Jan. 31, 1958], No. 4017/58. Class 100(2) In a printing press having a base, a type bed reciprocable on the base, a rotatable impression cylinder co-operating with the type bed and first drive means operative at a selective speed, second and third drive means are provided for rotating the impression cylinder unidirectionally at a variable speed and for reciprocating the type bed at such a variable speed that the impression cylinder and type bed are always in register. The type bed 2 is provided with a rack 5 engaged by a pinion 4 which also engages a rack 6 mounted on the machine frame 1. The pinion 4 is attached to a link 7 pivoted to a link the other end of which is pivoted at 10. The link 9 is provided with guides 11, 11' which engage blocks 12, 12' on rollers 13, 13<SP>1</SP> fixed to gear wheels 14, 14<SP>1</SP> on shafts 45, 45<SP>1</SP>. Thus as the gear wheels 14, 141 are rotated at uniform speed the bed 2 is reciprocated at a non-uniform rate. The gears 14, 14<SP>1</SP> are driven by gears 15, 15<SP>1</SP> on 'a shaft 16 which is also provided with a gear 17 meshing with a drive gear 18. Gear 18 also meshes with a gear 23 on a shaft 24 which also carries a gear 25 in mesh with a gear 26 on shaft 27, the gear 26 having the same pitch circle as the gears 14, 14<SP>1</SP>. On the shaft 27 a non-circular gear 28 is mounted which meshes with a non-circular gear 29 on the shaft 30 of the impression cylinder 22. The gears 28, 29 are so chosen that the peripheral speed of the cylinder 22 is substantially the same as the linear speed of the type bed 2 during the printing operation. Accurate synchronisation is obtained by a central gear of known type comprising arms 31, 31<SP>1</SP> carrying the rack 6 and having rollers 32, 33, which co-operates with suitably shaped cams 34, 35 on the gears 14, 14<SP>1</SP> respectively. A correcting reciprocation is thus given to the rack 6.
Patent GB-838223-A (GB)
Title: Fibre drums
IPC: B65D3/30
Filed: 1959-02-05
Abstract: 838,223. Fibre drums. CONTINENTAL CAN CO. Inc. Feb. 5, 1959 [Feb. 5, 1958], No. 4160/59. Class 66. A fibre drum comprises one or more inner and one or more outer plies with a reinforcing member or members between the inner and outer plies and extending round the drum. A sheet 1 of fibreboard has strips of sheet metal 4, 5 secured by an adhesive on its upper surface and is wound in a mandrel, Fig. 1 (not shown), to form a tube, an impervious liner 11 being added. A chime 25 is fitted to the upper end of the tube, Fig. 5, and the body wall beaded inwardly as at 26. The bottom of the drum includes a disc 30 with a liner 31, a metal tray 32, and a fibreboard disc 33. Liners 11 and 31 may be coated with a liquid resisting material, e.g. polythene. After fitting a metal chime 34, the body wall is inwardly beaded and a further bead 35 formed to close the end of the drum. Two such tubes may be formed out of a single sheet of fibreboard, Fig. 3 (not shown), by slitting the sheet along its longitudinal centre line after winding on a mandrel. U.S.A. Specification 2,775,384 is referred to.
Patent GB-602725-A (GB)
Title: Improvements in or relating to the recovery of rubber
IPC: C08L21/00
Filed: 1942-03-30
Abstract: Polyhedral grains of waste rubber, obtained by cutting up waste rubber into irregular blocks, freezing at a temperature of -50 DEG C. and then passing through a crushing machine are used in the process described in Group V.  The quality of the rubber is substantially unchanged by such treatment.  Specification 24969/06, as open to inspection under Sect. 91, [Class 59], is referred to.ALSO:Waste rubber is utilised by submitting it to a fragmentation treatment so as to produce polyhedral grains but not to reduce it to a powdered condition and then mixing the granular rubber so prepared with new rubber, the fragmentation and mixing operations being carried out in such a manner as not to impair the quality of the rubber.  The grains may be obtained by cutting the rubber, which may consist of old tyres from which the metal and textile have been removed, into lamellae and then into grains, or by cooling the rubber, e.g. to -50 DEG C. and then crushing it.  The grains are not less than 0.5mm. and are preferably not greater than 10mm. in mean cross section, and up to 4 parts of recuperated rubber may be used to each part of new rubber. Specification 24969/06, as open to inspection under Sect. 91, [Class 70], is referred to.
Patent GB-138928-A (GB)
Title: Improvements in or relating to sound boxes
IPC: G11B3/46
Filed: 1920-02-12
Abstract: 138,928. ãolian Co., (Assignees of Head, R.). Aug. 9, 1917, [Convention date]. Tool arms and mountings. - The stylus bar of a phonograph is mounted on bearings which comprise on one side a rigid bearing such as the usual lug 9 formed with a hole 11, and on the other side a leaf spring 13 formed with a corresponding hole. To prevent the stylus bar from being dismounted unintentionally, an adjustable stop, such as the screw 24, is provided behind the spring.
Patent GB-404474-A (GB)
Title: Improvements in or relating to the construction of locomotive axle boxes and keeps
IPC: B61F15/04
Filed: 1933-02-13
Abstract: 404,474. Vehicle axle - bearings. ROGERS, J. D., 12, Wetherby Mansions, Earls Court Square, London. Feb. 13, 1933, No. 4408. Addition to 386,449. [Class 12 (i).] The invention described in the parent Specification is modified by supporting each hanger d for a spring on a plate g resting on the floor of the keep a, the apertures j in the plate g being countersunk and the heads k of the hangers d being correspondingly formed to permit self-alignment of the hangers. The latter pass through clearance slots c in the keep a, and the plate g is preferably in two parts, a set screw i passing through the plate at the joint and screwing into the keep. The plato g is located in a slot in the keep a and the ends thereof enter recesses e with bevelled edges f in the keep a. The screw i also serves to anchor the spring m of the lubricating device.
Patent GB-124785-A (GB)
Title: Improvements in, or connected with, Apparatus for Facilitating the Landing of Aircraft.
Inventor: MORTIMER WILLIAM
IPC: B64F1/20
Filed: 1916-03-27
Abstract: 124,785. Mortimer, W., and Potten, F. March 27, 1916. Wind-vanes.- A device for indicating to an aviator at night the position of the flying ground, the direction of the wind, and his approximate height above the ground, consists of a series of trenches or holes arranged in the form of radiating arrows covered with transparent material illuminated from beneath by electric lamps of different visibility under the automatic control of a wind-vane. Fig. 1 shows a system of trenches a, c arranged to indicate the points of the compass, the outer trenches being separated by partitions d to form the arrows. The lamps a<1> are white, red, and green and are adapted to become successsively visible as the aviator descends. The appropriate arrow is illuminated according to the position of a wind-vane placed some distance away which has an electric controller on its spindle.