baber/WOPTO huggingface dataset:
Patent GB-1381978-A (GB)
Title: Oyster culture basket
IPC: A01K61/55
Filed: 1972-02-09
Abstract: 1381978 Oyster culture D McNICOL 9 Feb 1972 [10 Feb 1971] 6071/72 Heading A1A [Also in Division A4] A basket for the culture of oysters, adapted to be supported above the sea bed, has a central hole, to encourage good water circulation, which may be fitted onto a stake or perforated stand pipe, and removable partitions 28. The basket is of lattice construction and is formed from synthetic plastics material by injection moulding. Baskets may be stacked by means of the integral hollow posts 32, and secured together by rods on ropes passing through the posts.
Patent GB-885002-A (GB)
Title: Improvements in or relating to extensible struts
Inventor: YOUNG ARTHUR VINCENT
IPC: E04G25/06
Filed: 1958-02-26
Abstract: 885,002. Telescopic struts. BURTON, J. May 25, 1959 [Feb. 26, 1958], No. 6153/58. Class 20(2) A telescopic strut comprises an externally threaded tube 10, a sleeve 17 screwed thereto, and an upper tube 22 connected to the sleeve 17 by a pin 20, and holes 19, 21, the upper end of the sleeve being deformed inwardly at 23 to closely engage the tube 22. The tube 10 has a sleeve 11 welded to its lower end to receive a lower tube 16 to which it is secured by a screw 26. The tube 10 is rotated by a handle 14 to adjust the length of the strut. Spigot portions each comprising two tubes of different diameters may be attached to the end of the strut to permit the attachment of extension tubes of lesser diameter than the strut.
Patent GB-614005-A (GB)
Title: Improvements in or relating to apparatus for measuring high frequency power
IPC: G01R21/04
Filed: 1946-02-28
Abstract: 614,005. Wave-guides. SPERRY GYROSCOPE CO., Inc. Feb. 28, 1946, No. 6298. Convention date, Feb. 28, 1945. [Class 40 (viii)] [Also in Group XXXVI] High-frequency power is transferred from a two-conductor transmission line to a waveguide or similar load over a loop comprising a temperature - responsive resistance and is measured by measuring the thermal response of the resistance. A coaxial line 18, 19, Fig. 2, feeds oscillations from an oscillator to an attenuator 21 over an inductive loop 48 which includes a current variable resistance 40; the resistance 40 is connected over conductors 19, 42 in a bridge circuit, Fig. 3, which is fed with D.C. and balanced by adjustment of resistance 62 before and during the application of high frequency to the element 40, the difference in the readings of a milliameter 63 being related to the high-frequency power supplied. Attenuator.-The attenuator 16, Fig. 1, comprises a wave-guide dimensioned to operate below cut-off; a cylindrical section 16 has its length determined by a plug of dielectric material 26, Fig. 2, having a terminating resistor 92; the plug is adjustable along tube 16 by rack and pinion 30, 31, Fig. 1. A wave-guide 34 initially cylindrical, but terminating as a rectangle 14 connects the attenuator to the load. Inductive loop.-The coaxial line 18, 19 is coupled to the wave-guide 21 by a first quarterwave transmission line 48, 49, Fig. 4, shortcircuited at 18 and a second quarter-wave transmission line 48, 42<1> which transforms the high impedance between the lower ends of 42<1> and 48 into a low impedance between 44 and 46, thus providing a return path for the high frequency in resistance 40 while maintaining insulation against direct current between resistance 40, and conductor 18.
Patent GB-877181-A (GB)
Title: Improved pneumatic draw-down means for a hosiery machine
IPC: D04B15/92
Filed: 1959-02-24
Abstract: 877,181. Knitting-machines. WHITFIELD, F. L. Feb. 18, 1960 [Feb. 24, 1959], No. 6346/59. Class 74 (2). A draw-down tube 1 of a circular knitting- machine can be swung between the full line position in which its upper end is in communication with the needle cylinder and its lower end in communication with a suction tube 25, and the chain line position in which its upper end is aligned with a mouth in a receiver 29 for the stocking and its lower end receives an air blast from a tube 26. The tube 1 is swung from the first to the second position by a cam on the control drum, acting through a Bowden cable 9, and is returned by a spring S. Specification 811,636 is referred to.
Patent GB-454326-A (GB)
Title: Improvements in concentrating latex
IPC: C08C1/12
Filed: 1935-02-28
Abstract: <PICT:0454326/III/1> Rubber latex is concentrated by causing a film of latex of substantial uniform thickness to rise by rotation about a vertical axis and removing volatile constituents from the film by evaporation.  The term latex includes natural and artificial dispersions of rubber, guttapercha or the like.  As shown, latex is continuously supplied by a pipe 2 to the bottom of a paraboloidal vessel 1 which is rotated about its vertical axis. The rotation causes the latex to rise on a thin film until it flows over the top into a circular gallery 8 having an outlet 9. The outside of the vessel is warmed by a water jacket 5 and the interior by heated air passing down a pipe 14 which surrounds the latex input pipe 2.  To prolong the period during which the latex is exposed to evaporation, deflector blades 17 are provided which just clear the inner surface of the rotating vessel and deflect some of the latex back towards the base of the vessel.
Patent GB-980311-A (GB)
Title: Improvements in the production of brewers' wort
Inventor: DUMMETT GEORGE ANTHONY
IPC: C12C7/28
Filed: 1960-02-23
Abstract: The method of and apparatus for mashing a mixture of grist and liquor continuously in the form of a quiescent plug described and claimed in the parent Specification is improved or modified by introducing an oxidizing gaseous anti-haze agent such as air, oxygen, or hydrogen peroxide into the mixture before or during the passage through the flow duct.  The gas may be entrained in regulated quantities from an intake 5 during the formation of the mixture in the vessel 1 and injected at the bends 6, 7 of the plug flow duct 4.  It is stated that the <PICT:0980311/C6-C7/1> rapid oxidation at the mashing stage induced by the gas avoids the formation of unwanted haze-producing reactions prevalent in later stages of the brewing process.
Patent GB-1458766-A (GB)
Title: Xerographic developing apparatus
IPC: G03G15/06
Filed: 1974-02-13
Abstract: 1458766 Developing apparatus XEROX CORP 13 Feb 1974 [15 Feb 1973 (2) 10 Jan 1974] 6512/74 Heading G2H In an apparatus of the kind in which a donor member carrying a uniform layer of electroscopic developing particles is spaced by a small gap from a latent electrostatic image bearing member to be developed, a pulsed bias of substantially rectangular wave form is applied across said gap, each pulse comprising an activation potential segment in which the electroscopic particles are released from the donor member and a development potential segment of different polarity or zero potential in which the electroscopic particles in non-image areas are attracted towards the donor member thereby preventing particle deposition in the non-image areas. Suitably each activation segment lasts for 30 to 70 microseconds and each development segment lasts for 100 to 180 microseconds, and the pulse repetition rate is from 4 to 8 kilo-Hertz.
Patent GB-658537-A (GB)
Title: Collapsible garment hanger
IPC: A47G25/40
Filed: 1949-03-10
Abstract: 658,537. Garment hangers. JOHANSSON, S. G. H. March 10, 1949, No. 6541. [Class 52 (v)] A collapsable coat hanger comprises a lazytongs arrangement 2, having a rod 6 with a hook 5 slidably arranged in the intermediate connections 4. Connecting plates 7, 8 are fixed to the rod 6. Elastic bands 12 are connected between the upper connecting plate 8 and the outer ends of the scissor elements. U-shaped sleeves 10 are pivoted to the upper outer connecting pivots 9 so when the coat hanger is collapsed the sleeve will enclose the lazy-tongs and connecting plate 7. Spring blades 15 pivoted to the pivots 9 and guided in sleeves 16 form a suspension device for trousers.
Patent GB-672391-A (GB)
Title: Improvements in electromagnetic vibratory interrupters
IPC: H01H50/76
Filed: 1950-03-16
Abstract: 672,391. Electromagnetic interrupters. PLESSEY CO., Ltd. March 16, 1950. [March 17, 1949] No. 6607/60. Class 38 (v). In an electromagnetic vibratory interrupter having an armature 35 carried by a reed 19, the moving contacts are also carried by the reed and consist of two composite arms such as shown in Fig. 4, arranged one on each side of the reed, each composite arm having two contacts 62, 63 forming part of cantilever springs 38, 39 attached at the base to the reed. In the form shown, the interrupter forms part of a system including a transformer for converting low tension D.C. to high tension D.C. and has "interrupting contacts 63 and "rectifying" contacts 62. The neck 38 is longer than the neck 39 in order that the contacts after being staggered as shown in Fig. 1, may be on the same level and able to co-operate with the respective fixed contact discs 44 and 45 which are mounted on cantilever springs. The movable "interrupter" contact springs may consist of spring steel plated with silver and they may engage fixed contacts of silver alloy ; in the case of the rectifier contacts the spring steel may be plated with platinum or its alloys and engage fixed contacts of tungsten. The connections are preferably such that the reed is of negative potential. This causes transference of metal to the reed arms and its dispersal thence in a fine dust.
Patent GB-434079-A (GB)
Title: Light control strip for kinematographic printing machines
IPC: G03B27/16
Filed: 1935-03-02
Abstract: 434,079. Printing kinematograph films. DEBRIE, A. L. V. C., 111, Rue St. Maur, Paris. March 2, 1935, No. 6635. [Classes 98 (i) and 98 (ii)] In kinematograph film-printing apparatus wherein the illumination is controlled by a perforated strip advancing at a speed proportional to that of the films, the control perforations are provided in both directions, preferably with a slight shifting taken up by play provided in the drive, to allow the printing to be performed in both directions. As shown in Fig. 5, the drum 62 drives the control strip 61, and the lever 70 pivoted at 71 has a tooth 72 engaging the perforations under the action of the spring 73. A lever 74 pivoted at 76 retains the contacts 75À closed under the action of the stop 77. The stops 77 of the different levers 74 are carried by a common shaft 78 so that the rocking imparted to the shaft 78 on movement of a lever 74, due to the entrance of a tooth 72 of a lever 70 into a slot releases the lever 74 from its stop 77. The drum 62 is driven by a spigot on the drive shaft which works in an angular recess on the drum to provide a predetermined play. The contacts 75 may be replaced by mercury switches. Several series of levers may engage a double series of slots. The circuits of the contacts 75 control the illumination either through variation in resistance or through the arrangement of Fig. 6, where several projection lenses 31 are shown arranged for multiple printing with a single light source 26. Two arcuate slotted shutters 42, 43 are connected to levers 49, 47 respectively, mounted on a common pivot 51, the levers having oblique slots 52, 53 engaged by a projection on a bell-crank 54 having a counterweight 55 and carrying arcuate cores 57, 57<1> for the electromagnets 58, 59 each divided into five fractions independently fed with current. The feed current for the coils is controlled by the contacts 75, Fig. 5.
Patent GB-460480-A (GB)
Title: Method of and apparatus for balancing rotating machine parts
IPC: G01M1/34
Filed: 1936-03-05
Abstract: 460,480. Balancing parts by grinding. KATTWINKEL, H. March 5, 1936, No. 6649. [Class 60] [Also in Group XIX] Machine parts of relatively great length and intended for rotation at high speed, for example, Cardan shafts of motor vehicles, are balanced by rotating the part, in fixed bearings, at high speed and grinding material from the part as it bends, due to lack of balance, under centrifugal force. In the case of a Cardan shaft 1, this is mounted with the universal couplings 3 secured in chucks 5 on shafts 9 in a machine of the lathe type, one of the shafts being provided with means, for example an electric motor, for driving the assembly at various speeds. A grinding-disc 13 movable longitudinally of the Cardan shaft is adjusted to lie just clear of the shaft whilst stationary, and upon running the shaft, this deflects due to lack of balance, and is ground by the reciprocating grinding-disc. The process is repeated with increase of speed of the shaft preferably the shaft is run finally at a speed of 10 to 20 per cent higher than maximum working speed.
Patent GB-549610-A (GB)
Title: Improvements in or relating to sheet-feeding apparatus
IPC: C08B1/10
Filed: 1941-05-26
Abstract: 549,610. Feeding sheets. BRITISH CELLOPHANE, Ltd. May 26, 1941. No. 6749. Convention date, June 1, 1940. [Class 100 (i)] A sheet-feeding apparatus, which is especially applicable for feeding a number of sheets at a time from inclined stacks 11 of coarse sheets of fibrous cellulose in the preparation of alkali cellulose to a hopper 75 leading to the machine for treating the sheets, comprises means for stacking the sheets on belts 13 which are advanced intermittently by a ratchet 17 operated by a pawl 21 on a lever 23 oscillated by a cam 25, or are driven continuously by timed gearing. The separation of the required number of sheets is effected by a reciprocating blade 39 which is inserted periodically between sheets of the stack and is thenoscillated away from the pile so as to direct the separated sheets to a hopper 25, the bottom of the sheets being guided by a curved member 49 fixed to the slide which carries the blade 39. The stacks 11 are preferably supported by two sets of conveyers spaced apart to provide room for the blade 39 and its mechanism, and the stacks are preferably supported in an inclined position by means of supporting members 51 comprising a flat bottom 53, and back 55 connected at one side by a brace 57 fitted with a handle to facilitate withdrawal. Specification 208,384, [Class 100 (i)], is referred to.
Patent GB-637494-A (GB)
Title: Improvements in and relating to moulded tubular bodies
IPC: B29C53/58
Filed: 1948-03-04
Abstract: 637,494. Moulding tubes. BRITISH THOMSON-HOUSTON CO., Ltd. March 4, 1948, No. 6786. Convention date, March 4, 1947. [Class 87 (ii)] [Also in Group XXVIII] A tubular body comprising bonded superposed layers of glass fabric 4 impregnated with synthetic resin such as melamine-formaldehyde, a phenol-formaldehyde condensation product or ureaaldehyde resins and for use e.g. as a cable conduit (see Group XXVIII), is placed in a mould and moulded under heat and pressure to impart a polygonal cross-section to the body. The Specification as open to inspection under Sect. 91 describes also channel-shaped bodies. This subject-matter, however, does not appear in the Specification as accepted.
Patent GB-478865-A (GB)
Title: Improvements in clockwork operated switches, more particularly for switching on or switching off wireless receiving sets
IPC: G04C21/22
Filed: 1937-03-08
Abstract: 478,865. Time switches. SCHWEDT, B., and RICHTER, A. March 8, 1937, No. 6839. Convention date, Aug. 18, 1936. [Class 38 (v)] At a predetermined time an insulating disc 14 is pulled away from between, two contacts 27, 28 allowing the contacts to engage each other to close a circuit; the same circuit may be opened at a later predetermined time by a conducting member 18, which normally bridges two other contacts 31, 32, being pulled away, the contacts 31, 32 remaining separated by an air gap. The contacts 27, 28 and 31, 32 may be mounted in a plug and socket connector 19 and in the form shown the actuation of the member 14 or 18 is effected by a string 13 connected to the alarm mechanism of an ordinary alarm clock. For this purpose a slotted sleeve 6 is mounted on the winding arbour 3, the slot being engaged by the wings 4 of the winding key so that the sleeve 6 rotates with the key. The sleeve has an arm 10 to which the string 13 is connected and a bent over arm 8 which serves to limit the rotary movement of the sleeve 6 and arm 10 by engaging the clock casing. At a predetermined time the alarm mechanism goes off and the string 3 moves into the dotted position pulling out the disc 14. The relative positions of clock and connector may then be adjusted so that member 18 can subsequently be actuated.
Patent GB-576192-A (GB)
Title: Improvements in or relating to the manufacture of calibrated scales for electric oscillators and like apparatus
IPC: H03J3/00
Filed: 1944-04-14
Abstract: 576,192. Marking graduations photographically. STANDARD TELEPHONES & CABLES, Ltd., and FELDHUSEN, I. V. April 14, 1944, No. 6901. [Classes 97 (iii) and 98 (ii)] [Also in Group XIX] The scale, e.g. of an electric oscillator, is graduated by division into intervals, which may vary in length, and subdivided by projecting an optical image of an invariable pattern, e.g. the grid G, on to each interval at the magnification or reduction necessary to cover the interval. As shown, the film A to be graduated is driven through the gate B by the sprocket C and shaft D, connected to the operating knob of the instrument being calibrated. The light source E, condenser F, and grid G are fixed. The focussing lens H, arranged substantially midway between the grid G and gate B, is spring biassed towards a stop M but may be automatically moved to effect the necessary enlargement by the engagement of a pin P, on an endless belt Q, with an abutment N on the lens support. The belt is spring biassed to bring the pin P into engagement with a fixed stop U. Before each advancement of the film through one interval the belt Q is connected to the shaft D by the clutch SR, so that the movements of the lens H depend on the length of the film interval. The exposure is made by illuminating the lamp E and the clutch SR is then opened to permit the belt Q and lens H to return to their normal positions before starting a further movement of the film. The control of the lamp E and clutch SR may be effected by a relay circuit actuated by a single press button. The numerical markings for the intervals may be projected on to the film from the back.
Patent GB-565381-A (GB)
Title: Improvements in or relating to lubricators and the like
IPC: F16N11/04
Filed: 1943-05-03
Abstract: 565,381. Delivering measured quantities. TRIER BROS., Ltd., and TRIER, F. N. May 3, 1943, No. 6938. [Class 106 (v)] [Also in Group XXXIV] A grease cup with screwthreaded cover has a cup body A free from internal screw-threads or crevices, the cover B carrying a piston D ,moving with it but capable of relative rotation and having a tubular stem C which houses a secondary piston E on a rod F surrounded by a spring F<1> The upward travel of piston E is limited by an adjustable stop G incorporated in a U-shaped guard G<1> and the downward travel by a pin H engaging one of two holes in the rod F. The movement of rod F constitutes a tell-tale. The loading of the spring F<1> may be adjusted by a nut screwing within the stem C and rotated by the rod F with which it has sliding engagement. The cup A may have an annular guard J held by a spring J<1> and flanged to enclose the piston D when the cover B is removed. The main outlet may have a cock so that a measured quantity may be delivered. The apparatus can be used for other semi-liquid or plastic substances.
Patent GB-958117-A (GB)
Title: Improvements in laminated sheet material and structures
Inventor: RAWNSLEY FRANK
IPC: E04C2/24
Filed: 1960-02-29
Abstract: 958,117. Laminates. FRANK RAWNSLEY Ltd. Feb. 10, 1961 [Feb. 29, 1960], No. 7001/60. Heading B5N. A rigid laminated sheet or panel comprises preformed asbestos sheeting bonded to a sheet or sections of hardboard, for example by means of a waterproof adhesive. A preferred adhesive is a resorcinol resin glue, which consists of liquid resins in alcohol-water solution to which a formaldehyde catalyst in powder form is added as a hardener. The outer surface of the hardboard may be plain, ribbed, grooved, or patterned. The asbestos may be of the hard-pressed type. The laminate may be used as a building material.
Patent GB-953850-A (GB)
Title: Windscreen wiper arms
IPC: B60S1/34
Filed: 1963-02-21
Abstract: 953,850. Windscreen wiper arms. GENERAL MOTORS CORPORATION. Feb. 21, 1963 [March 7, 1962], No. 7037/63. Heading A4F. The outer portion 14 of a windscreen wiper arm is connected to the inner portion 12 by a pivot pin 36 journalled in the portion 12 and welded at its ends to inner surfaces of the portion 14.
Patent GB-698750-A (GB)
Title: Improvements in and relating to continuously operated centrifuges
Inventor: FRANZEN MARTIN
IPC: B04B3/04
Filed: 1951-03-28
Abstract: 698,750. Centrifugal machines. LOESSL, O. VON. March 28, 1951, No. 7149/51. Class 23 In a continuously operating centrifuge, for the treatment of sugar, comprising a rotary cylindrical or conical, filter ter drum 1 containing a differentially rotating discharge apparatus 5a, 5d, the discharge apparatus has knives or paddles 5c which are formed with means for conveying a cleaning agent to the filter drum and are disposed along a helical curve in order to impart a rolling or tumbling action to the material being centrifuged as it passes from one knife or paddle to the next. The paddles are mounted on holders 5b which are assembled on a disc 5c carrying bolts 5f and rollers 5e engaging the filter drum. The filter drum and the discharge apparatus are driven by a member 4 through gearing 2, 3, and gearing 6, 7 respectively. The discharge apparatus is supplied with grain to be treated at 9 and a covering agent such as syrup or water and steam through pipes 10. The cleansing agent is supplied to the drum through pipes 11, 12, ports 13 and pipes which are formed in the paddles 5c and terminate in jets. The cross-sectional area of the ports 13 increases with the increased distance from the inlet pipe 12. Alternatively each port 13 is supplied through an individual pipe or a paddle holder 5b of semi-circular cross-section is subdivided by walls to form separate conduits therefor. Separated sugar is lifted up by the paddles, cleaned with fresh water and then axially discharged. The used covering and rinsing agents are separated into cloudy and clear flow which is discharged through vertically adjustable gutters 15, 16 superimposed one above the other. In a modification, the filter is cleaned by the covering agent which infiltrates into the pipe 5b through ports therein. In a further modification the centrifuged material is discharged downwardly into a solution vessel which supports the centrifuge and has a stirrer driven by the shaft 6.