baber/WOPTO huggingface dataset:
Patent GB-1025776-A (GB)
Title: Papermaking fabric
IPC: D21F1/00
Filed: 1964-01-20
Abstract: Papermaking machine fabrics are formed by weaving warp and weft yarns of resilient synthetic fibre into an endless belt in which the weft yarns extend in the direction of the belt and the warp yarns extend transversely thereto, substantially tensing the belt in the weft direction whilst it is released in the warp direction, the tensing being carried to the point where the weft yarns are substantially straight and additional tension produces negligible additional crimping of the warp yarns, and bonding the warp yarns to the weft yarns at their points of crossing while so tensed. The warp and weft yarns may be made of polyamide fibres, polyester fibres, acrylic fibres or copolymer fibres and the stretching in the weft direction is preferably about 4%.
Patent GB-1450658-A (GB)
Title: Method of growing crops
IPC: A01N25/02
Filed: 1974-01-18
Abstract: 1450658 Pre- and post-emergent application of herbicides BRITISH PETROLEUM CO Ltd 18 Jan 1974 [18 Jan 1973] 02404/74 Heading A5E A method of growing crops at a locus comprises spraying weeds at said locus, before and after the emergence of the crops, with a herbicide/petroleum oil formulation, the same herbicide being used in spraying before and after the emergence of the crops. Specified herbicides are neburon, lenacil and unspecified uracils, suitably as emulsions.
Patent GB-247931-A (GB)
Title: Improvements in fabric expanding devices
IPC: D06C3/06
Filed: 1926-01-27
Abstract: 247,931. Maschinenfabrik. Benninger Akt.-Ges. Feb. 23, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Drawings to Specification, Feeding webs.-In cloth expanders of the kind comprising a number of bobbins rotatable on a curved shaft, the bobbins are formed with a corrugated periphery to increase the expansion of the cloth.
Patent GB-265370-A (GB)
Title: Improvements in shot gun cartridges
IPC: F42B7/04
Filed: 1926-01-30
Abstract: 265,370. King, J. B. Jan. 30, 1926. No Patent granted (Sealing fee not paid). G u n cartridges. - The undershot wad A of a sporting cartridge is provided with an axial stem B projecting into the shot charge to lessen the dispersion of the shot on discharge.
Patent GB-451032-A (GB)
Title: Improvements in or relating to the preparation of graphitecontaining lubricants
Filed: 1935-01-28
Abstract: The mixing of mineral oil or grease with "colloidal graphite" (the commercial suspension of high concentration of graphite in oil) to form lubricating oils or greases is effected at above 90 DEG  C. advantageously; protective colloids, e.g. white and/or yolk of egg are added during or after the mixing; the oil or grease is kept under pressure whilst the "graphite" is forced into it--or vice versa; the mixer is rotated and/or reciprocated during the process; and the product is filtered or otherwise freed from particles separating out on cooling.  The products may be diluted with more oil or grease.  In an example, motor oil is used at 90--150 DEG  C.
Patent GB-437081-A (GB)
Title: Improvements in spark plugs
IPC: H01T13/32
Filed: 1935-01-28
Abstract: 437,081. Sparking-plugs. ANTHONY, F. M., 1124, Warfield Avenue, Piedmont, GILLIS, K. C., 3, Rockridge Place, Oakland, and EDWARDS, D. B., 4011, Greenwood Avenue, Oakland, both in California, U.S.A. Jan. 28, 1935, No. 2800. [Class 7 (iv)] Opposed sparking surfaces 10, 13 are formed with intersecting flat - topped ridges producing projections 15. The bend 12 causes oil to drain away from the spark-gap.
Patent GB-565025-A (GB)
Title: Improvements in apparatus for testing the balance of bodies adapted to be rotated
IPC: G01M1/12
Filed: 1943-02-20
Abstract: 565,025. Testing balance of bodies. AVERY, Ltd., W. & T., and TIMSON, W. Feb. 20, 1943, No. 2867. [Class 106 (ii)] An apparatus for testing the balance of bodies adapted to be rotated comprises a pendulous counterbalance for the weight of the body, an indicator connected thereto, and an evenarmed beam located symmetrically above and connected to the pendulous counterbalance, the beam having mounted thereon a support which cradles the body to be tested. As shown in Fig. 1, a base a supports a housing b embracing bearings for a pendulous arm d to which is connected an index pointer d'. The arm d is attached to an even armed beam f with knife edges f<1>, Fig. 2, resting on the bearings c. Centrally disposed on the beam f is a cradle g having a pair of spindles g<2> carrying ball bearing anti-friction rollers g<1> between which the cylindrical body to be tested, such as a projectile h, is supported. A supplementary cradle l, Fig. 3, may be mounted on the spindles g<2> for bodies of different size and weight and a bracket k may be provided for an adjustable counterweight j. A locking device for preventing movement of the beam during loading and unloading periods is constituted by coaxially and oppositely disposed spindles m, n. The spindle m is screw-threaded in one flange of a bracket o and the spindle n is slidably mounted in the other flange and is controlled by a spring ; depression of the spindle n forms a temporary lock by engaging a depression in the beam f.
Patent GB-1008869-A (GB)
Title: Improvements in or relating to electrical connectors
IPC: H01R12/58
Filed: 1964-01-23
Abstract: 1,008,869. Binding posts; two-part couplings. AMP Inc. Jan. 23, 1964 [Feb. 18, 1963; July 25, 1963], No. 2892/64. Heading H2E. [Also in Division B3] An electrical connector formed from sheetmetal (see Division B3) includes a terminal part of uniform cross-section, which is formed at one end with a flared transition to a tubular mounting section of larger cross-section than the post section. The post section 22 accommodates a wire wrap 92, or clip type 94 connection. The connector may be used in assemblies where large numbers of interconnections between different circuits are required. Connectors 70 fit into an aperture in a board 10 and spring sections 78 contact plug members 98, mounted in a movable plug board. Each connector 70 includes an integral latching section 72 above a D-shaped mounting section 74 having locking tabs 77. The post section 22, which has sharp outer corners to bite into the wrapped wire connections, is preferably plated with nickel and then gold. The lower end of the contact 78 may take various forms, e.g. a spring clip for removably receiving the edge of a printed circuit board (Fig. 19, not shown), a tag for passing through a hole in a printed circuit board and soldering to the conducting tracks thereof (Fig. 20, not shown), a lug for crimping to an incoming wire (Fig. 23, not shown), a socket with opposed spring arms (Fig. 18, not shown) or a similar type of connector to post 22 (Fig. 17, not shown). Fig. 25 shows a connector formed from thicker stock, in which the post 422 is formed with a rectangular cross-section by holding the arms of a U-shaped channel member over and back on to the web of the member so that the rectangle of the cross-section has a breadth of twice the thickness of the stock used. Specifications 832,618 and 956,118 are referred to.
Patent GB-627411-A (GB)
Title: Improvements in or relating to time base circuits
IPC: H03K4/12
Filed: 1947-01-30
Abstract: 627,411. Cathode-ray oscillographs. CINEMATELEVISION, Ltd., and SOWERBY, J. M. Jan. 30, 1947, No. 2912. [Class 37] [Also in Group XL (c)] A time base generator for a cathode-ray oscilloscope is synchronized at a frequency which is a submultiple of the repetition fre. quency of the signal to be examined by deriving pulses of an appropriate frequency from the signal. The Figure shows a time-base circuit for an oscillograph including a Puckle type hard valve time-base, comprising valves 1, 2 and 3. The signal to be examined is converted to a pulse waveform for synchronizing by a device 10 whose output is applied to the suppressor grid of phase reversing valve 3 via a cathode follower 9. The device 10 may be of the type described in Specification 572,884, [Group XL]. In order to prevent a falling off in the saw-tooth amplitude when the signal and hence the saw-tooth frequency increases, a bias proportional to the output potential is fed to linearizing pentode 1 in such a sense as to increase the current through it when the output frequency increases. The bias is derived by feeding the saw-tooth output to a rectifier 23 via a cathode follower 13. A voltage delay is provided in the rectifier circuit by biassing the cathode positively.
Patent GB-903569-A (GB)
Title: Improvements relating to machine tools having rotatable tool spindles
IPC: B23Q1/54
Filed: 1961-01-25
Abstract: 903,569. Drilling-machines. GENERAL MOTORS CORPORATION. Jan. 25, 1961 [Jan. 25, 1960], No. 2912/61. Class 83 (3). A machine tool comprises an angularly and laterally adjustable spindle head 300 and a rotary work-table 68 mounted on a support 70 pivoted to a horizontally movable table 30. In a drilling machine, variable-speed motors 20 rotate the spindles and the feed mechanisms, the speed changes being effected by drive units 22, 24. The table 30 is movable on tubular guides 38, 40 by a screw 42 rotated by hand wheels such as 46. Power drive of the table is controlled by levers 54, 56. The work is mounted by T-slots and screwed holes in the table 68 which is rotated on the support 70 by a ring gear 94. The support is adjusted about a pivot 76 by a hand wheel 88 and a segmental gear 82 on a table 58 rotatable on the table 30. The means for rotating the table 68 include worm gearing 100, a sprocket 130, a double gear consisting of twin chains 132 surrounding an annulus 134, and a sprocket 138. The latter sprocket can be rotated through a chain 144 and hand-knobs, or through bevel gearing 142, clutches controlled by hand-levers and the variable speed motors 20. Similar means are provided for adjusting the table 68 by a handcrank 196 or the motors 20. Hand levers 206, 210 are connected to means for locking the tables in position. The spindle head 300 is adjustable angularly on a slide 262 which, with associated feed means 252, spindle drive means 254 and a traverse screw 256, is mounted on a column 248 rotatable on a slide movable on guide rods by a hand wheel 226 or the motors 20. A second spindle head 306 is angularly adjustable on a slide 330 and locked by a screwed plate 336. The slide 330 is movable on a rail 324 angularly adjustable by trunnion plates 326, 328 locked by levers 354, 434 to slides 312, 314 movable vertically on columns 308, 310.
Patent GB-556553-A (GB)
Title: Means to facilitate the teaching of music
IPC: G09B15/02
Filed: 1942-03-06
Abstract: 556,553. Teaching music. HATNES, E. T. March 6, 1942, No. 2924. [Class 88 (ii)] A note indicator for teaching the theory of music comprises a base member A, marked with one or more lines B representing note stems, and adjustable vertically on a panel F having the usual stave lines G, the base member being provided with eight transverse slots D for the lateral adjustment of musical symbols C displayed on one or both sides of the stem or stems. Notes, chords, intervals, modes and chromatic or other scales can be indicated by the use and adjustment of the various symbols illustrated.
Patent GB-418896-A (GB)
Title: Improvements in steam boilers
IPC: F22B27/16
Filed: 1933-01-30
Abstract: 418,896. Instantaneous steam boilers. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(M³ntzing & Co. Aktiebolag, I. ; 3, Ostra, Hamngatan, Gothenburg, Sweden.) Jan. 30, 1933, No. 2925. [A Specification was laid open to inspection under Sect. 91 of the Acts, July 31, 1933.] [Class 123 (ii).] In a boiler comprising steeply inclined tubes 8 lining the furnace grate on either side and connected at their upper ends to a steam header 9 and supplied with preheated feed water through nozzles 22 at their lower ends, the feed water is fed to a preheater constituting the ceiling of the furnace and connected to the nozzles. Water passes from the preheater through tubes 6 to headers 7 connected to the nozzles. The preheater and the steam header may be in free communication, in which case a pump is provided for forcing the water through the nozzles. Alternatively the preheater and steam header communicate through the tubes 8 only, or through a valve adjusted so that a higher pressure exists in the preheater than in the steam header. Steam generated in the preheater forces the water through the nozzles which are made adjustable. Steam connections 20 provided with valves pass from the preheater to the spaces around the nozzles and the choke tubes 27 cause an injector action. The nozzles may extend throughout the tubes 8 as a series of open-ended telescopic tubes 28. The tubes 8 are provided with shut off valves at each end so that any tube can be removed without interfering with the working of the boiler. The nozzles may be fully opened to flood the tubes and with suitable adjustment of the valve between the preheater and steam header the boiler then operates with closed circulation.
Patent GB-754447-A (GB)
Title: Improvements relating to hypodermic needles
IPC: A61M5/32
Filed: 1954-02-01
Abstract: The point of a hypodermic needle is formed by imposing a bevel on a hollow shaft of uniform wall thickness and of symmetrical, non-circular cross-section.  Preferably the tip is formed at the intersection of two contiguous longitudinal faces and thus the cross-section may be square, diamond-shaped or triangular but, if desired, it may be elliptical.  The shank of the needle, behind the tip, may be circular or elliptical or it may be a continuation of the cross-section of the tip.
Patent GB-393024-A (GB)
Title: Improvements in or relating to closures for boxes and like containers
IPC: B65D43/02
Filed: 1932-02-01
Abstract: 393,024. Boxes &c. KAVLI, J. F., 42, Jelsegaten, and STOKKE, T., Hinna pr., both in Stavanger, Norway. Feb. 1, 1932, No. 2983. [Classes 66 and 125 (iii).] The rim of a tin box or like container is formed with a broad horizontal flange 9 and a lower inwardly projecting parallel flange 10 connected at their inner ends by a sub-stantially vertical cylindrical wall 11 while the flange 9 is formed at its outer edge with a vertical or very slightly inwardly converging cylindrical depending flange 4 which closes the air channel formed between the parts 9, 10, 11 and forms a resilient member with which the outer depending flange 5 of the cover 2 engages ; the cover seats on the flange 9 and has a central depressed portion which co-operates with the flange 11. In a modification the wall 11 is arranged in line with the wall 1 of the box and in a further form the flange 4 terminates in an inwardly bent edge abutting the flange 10. The box and cover are formed with beads to facilitate removal of the latter.
Patent GB-414376-A (GB)
Title: Improvements in chain fire-grates for steam generator and like furnaces
IPC: F23H11/00
Filed: 1933-02-01
Abstract: 414,376. Travelling grates. BENNIS, A. W., Bennis Works, Highfield Road, Little Hulton, near Bolton. Feb. 1, 1933, No. 3068. [Class 51 (i).] A travelling grate comprises a grate surface composed of primary members C mounted on transverse bars B secured to endless chains A and secondary members D disposed alternately with the primary members and in the spaces between two transverse bars and jointed to two primary members or to lugs or brackets on the transverse bars. The transverse bars are of L-shape with bulbed edges B<1> at the upper part of the vertical web (as seen in the upper run of the grate), which edges support the primary members C. The secondary members D are supported between the bars B by means of a forward slot H engaging with a stud E formed at the rear of a primary member of one transverse row and a rear slot G engaging with a similar stud F at the forward end of a primary member in the next transverse row. In the upper straight run of the grate the secondary members lie between the primary members and as the chain passes over an end sprocket wheel are drawn out as shown in Fig. 1 to bridge the gap that would otherwise be formed between the ends of the primary members of adjacent rows. In addition, as a result of the curved formation of the slots G, the members D are given a rocking movement with respect to the members C. This action dislodges any clinker that may have formed between the grate members. In a modified form, the secondary members are supported by studs carried by brackets fixed to the transverse bars and in a further modification the primary members may be formed with holes in place of the studs E, F and the secondary members supported by rods threaded through these holes and also through the slots G, H.
Patent GB-412520-A (GB)
Title: Improved marine water closet
IPC: B63B29/00
Filed: 1934-01-30
Abstract: 412,520. Closets. McGOWN, A., 7, Silverdale Road, Southampton. Jan. 30, 1934, No. 3078. Addition to 260,900, [Class 26]. [Class 26.] The ventilating-opening described in the parent Specification is provided with a non- return guided disc-valve L, and a duct M connets the soil pipe and the atmosphere. Specification 270,605, [Class 26], is referred to.
Patent GB-534387-A (GB)
Title: Lock-stitch sewing machine
IPC: D05B57/14
Filed: 1940-02-17
Abstract: 534,387. Sewing-machines. SINGER MANUFACTURING CO. Feb. 17, 1940, No. 3080. Convention date, April 8, 1939. [Class 112] In a rotary lock-stitch hook mechanism, otherwise of conventional form, the stationary spoolcase 23 is supported during a major part of the stitch-forming cycle by the end of an axial rod 30 projected into a central cavity 24. The rod 30 slides within the hook shaft 19 and is reciprocated by means of a crank on the vertical shaft between the upper and lower shafts. In a modification, the rod 30 does not penetrate so deeply into the spool-case and operates with pin providing a similar support at the front of the spoolcase. This latter pin is reciprocated in opposite phase to the rod 30 by cam-mechanism. Specification 421,957 is referred to.
Patent GB-432568-A (GB)
Title: Improvements in and relating to wrislet watch straps
IPC: A44C5/16
Filed: 1934-01-30
Abstract: 432,568. Straps. CLARKE, H., CLARKE, W., CLARKE, C., and CLARKE, T. N., Park Works, Gorsebank Road, Wavertree, Liverpool. Jan. 30, 1934, No. 3083. [Class 109] [See also Group VII] The looped end of a wrist watch strap is reinforced at that portion of its inner surface which engages thewatch lug, with a facing of textile material 9 such as canvas, which is secured in position by cementing or stitching. The textile material may be waterproofed and may extend over the entire inner surface of the outer layer 1. The inner leather layer 2 may be similarly reinforced.
Patent GB-607513-A (GB)
Title: Improvements in the construction of truss pads for rupture
IPC: A61F5/24
Filed: 1946-02-06
Abstract: 607,513. Truss pads. BROOKS APPLIANCE CO., and BIRD, A. W. Feb. 6, 1946, No. 3803. [Class 81(ii)] A truss fitting comprises a base A having a circular recess G and at least one pair of pins M, having ball heads M', mounted to project from a flange L, surrounding the recess, and engage with holes N in a pad H, e.g. of rubber, formed with a projecting flange K which fits into the recess G. The pins may be mounted at opposite ends of a diameter. The pad need not be circular and may have a plurality of holes N for positional adjustment. The base A may be of plastic e.g. vulcanite and may have slots B for body and under bands.
Patent GB-371489-A (GB)
Title: Improvements in and relating to master controllers for electric motor control systems
IPC: H01H21/26
Filed: 1931-01-31
Abstract: 371,489. Controllers. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, and CANSDALE, J. H., 40, Murray Road, Rugby. Jan. 31, 1931, No. 3166. [Class 38 (iii).] Actuating mechanically; with auxiliary swiches.-A master controller for a control system is provided with a line of pairs of fixed contacts 6, a pivoted insulating bar 9 carrying spaced bridging contacts 11, and an operating stirrup 17 pivoted about a point different from the pivot point of the bar 9 so that as the bar 9 is rotated by the stirrup 17 the pairs of fixed contacts 6 are bridged in sequence by the contacts 11. The stirrup 17, which is moved either by a pedal or through linkwork by hand, consists of two side-bars joined at their lower end by a cross-bar to which a flat steel spring 18 is attached for engagement with a roller 13 carried at the lower end of the bar 9, so that equal movements of the operating lever give successive points of control. The bar 9 is biased to its "off" position by a spring 16, and the stirrup 17 is also biased by two adjustable springs. A stop may be provided at one stage of the control so that a slight backward movement of the pedal or hand-lever is necessary before the movement of the controller can be completed. Additional contacts such as 29, 29<1> may be provided. The contacts 11 are spring mounted, and the lower ones may be set back by packing pieces 28. The bars 11 have silver tips which engage similar tips on the contacts 6.
Patent GB-958042-A (GB)
Title: Improvements in or relating to selective radiators
IPC: H01K1/04
Filed: 1961-01-27
Abstract: 958,042. Selective light radiators. PHILIPS ELECTRICAL INDUSTRIES Ltd. Jan. 27, 1961 [Jan. 30, 1960], No. 3257/61. Drawings to Specification. Heading H1F. A selective light radiator comprises a non- metallic incandescent member consisting of a single crystalline, coarse crystalline or glassy material having current supply contacts to enable it to be heated electrically, the thickness d of the incandescent member in millimetres meeting the condition where T is the operating temperature lying between 2000 and 2800 K and α min. is the minimum value (expressed in <SP>1</SP>/mm.) of the absorbtion co-efficient in the rear infra-red region between 0.7 and 5 microns. The material of the member may consist of magnesium oxide which may be doped with Fe, Cr or Li. The oxygen ions may be replaced by halogen ions. The supply contacts which are in the form of tapes or wires may be of iridium and may be heated by separate transformers so as to bring their temperature to approximately that of the crystal. Additional heat may be supplied to the member by e.g. a gas discharge.