baber/WOPTO huggingface dataset:
Patent GB-343869-A (GB)
Title: Improvements in means for the elimination of ripples in cascade coupled thermionic valves
IPC: H04B15/00
Filed: 1930-07-30
Abstract: 343,869. Valve amplifying and detecting circuits. TELEFONAKTIEBOLAGET L. M. ERICSSON, 33, Kungsgatan, Stockholm. July 30, 1930, No. 23021. Convention date, Aug. 3, 1929. Addition to 309,902, [Class 40 (v), Wireless signalling &c.]. [Class 40 (v).] A number of thermionic valves V1, V2 coupled by transformers T are supplied with plate voltage, filament current, and grid bias, from a potentiometer 0 .. 6 connected across a D.C. source as in the parent Specification, and the elimination of hum or ripple is facilitated .by connecting a high resistance R between a high positive voltage point 6 on the potentiometer and the plate of a valve V1, other than the last valve V2. With a resistance R of suitable value in circuit, it is possible to adjust the slider X to a point where hum is eliminated, without giving the grid of valve V1 too heavy a negative bias.
Patent GB-441027-A (GB)
Title: Improvements in and relating to packing rings for use in steam or internal combustion engines, vacuum pumps and the like
IPC: F16J9/10
Filed: 1934-08-09
Abstract: 441,027. Locking bolts. WATSON, H., St. Brelade, Highwalls, Dinas Powis, Glamorgan. Aug. 9, 1934, No. 23080. [Class 89 (i)] [See also Group XXVI] In a split piston packing ring adjusting device, an adjusting screw is locked in position by a T-shaped member having a hexagonal stem 14 to engage a hexagonal bore in the screw and a crosspiece 13 which seats in a recess in the ring.
Patent GB-844118-A (GB)
Title: Television system
IPC: H04N7/173
Filed: 1958-07-18
Abstract: 844,118. Distributing television. TELEGLOBE PAY-T.V. SYSTEM Inc. July 18, 1958 [July 22, 1957], No. 23170/58. Drawings to Specification. Class 40 (4). In a system in which a video signal is transmitted by wireless and a synchronized sound signal is distributed by a wired network, reception of the sound signal is prevented until a manually operable means is operated by, or under the control of, the subscriber. The sound signal may be scrambled at the transmitter, an unscrambler at the subscriber's premises being operated by the insertion of a coin or of a punched card purchased for the purpose. Alternatively, the subscriber may signal by lamp, buzzer or telephone to an operator at a telephone exchange who then completes the sound circuit to that subscriber.
Patent GB-772778-A (GB)
Title: Improvements in or relating to process for the preparation of mucochloric acid
IPC: C07C51/00
Filed: 1955-08-12
Abstract: Mucochloric acid a -b -dichlor-b -formyl acrylic acid is prepared by the reaction between furfural and chlorine in aqueous hydrochloric acid, preferably continuously.  In examples, gaseous chlorine and liquid furfural are passed into concentrated hydrochloric acid and the product, mucochloric acid isolated by cooling as crystals.  The acid may be re-cycled, in a continuous or batch process.  The reaction is <FORM:0772778/IV(b)/1> The above product may be in equilibrium with the ring structure <FORM:0772778/IV(b)/2>
Patent GB-802455-A (GB)
Title: Improvements in or relating to a bonding of metal to an insulating support
IPC: H05K3/38
Filed: 1956-07-27
Abstract: 802,455. Printed circuits. STANDARD TELEPHONES & CABLES, Ltd. (Nippon Electric Co., Ltd.). July 27, 1956, No. 23304/56. Class 37. [Also in Group VIII] In making printed circuits by bending a non-precious metal such as copper to an insulating material such as a phenolic laminate, the surface of the said non-precious metal which is to be adjacent the insulating material is given a coating of a precious metal, i.e. silver, gold or platinum. The coating may be applied by vaporizing or electro-plating.
Patent GB-189849-A (GB)
Title: Improvements relating to motor vehicles
IPC: B60T1/14
Filed: 1921-09-02
Abstract: 189,849. Woodhead, A., and Westall, T. Sept. 2, 1921. Skid ; band.- An emergency brake for motor vehicles comprises a telescopic rod A pivoted at a to the chassis B and carrying a shoe a<2> which, upon release of a catch device normally holding the rod in the raised position, engages the ground, whereupon the frictional drag on the shoe brings a bowl or roller a<3>, also mounted upon the rod A, into contact with the wheel C. The bowl a<3> is preferably arranged below the level of the centre of the wheel as shown, so that by its engagement with the wheel it tends to force the shoe a<2> against the ground. The shoe can yield upwardly against a spring a'. There may be a rod and brake member on both sides of the vehicle, connected by a cross-bar, and they may be disposed in front of or behind the rear wheels. The movement of the rod may tighten a. brake-band on a drum on the wheel axles. According to the Provisional Specification, a shoe may be used instead of the bowl a<3>.
Patent GB-807657-A (GB)
Title: Improvements in castors
IPC: B60B33/02
Filed: 1956-07-27
Abstract: 807,657. Castors. FLEXELLO CASTORS & WHEELS Ltd. and WAPSHOTT, S. E. April 17, 1957 [July 27, 1956], No. 23333/56. Class 52(1) frames. In a device for simultaneously locking a castor against rotation and swivelling a vertically slidable plunger 1 is moved downwardly to bring a serrated plate 4 into engagement with the teeth of a serrated ring 5 on the fixed part of the castor mounting while the toothed end 11 of the plunger engages a notch 12 of a notched circular plate 13 carried by the castor bowl. As shown the plunger is held in inoperative position by a ball catch 10 but in a modification the plunger may be cam-operated.
Patent GB-776753-A (GB)
Title: Improvements in or relating to methods and apparatus for turning helical pump rotors
Inventor: WOOD FRANK
IPC: B23Q35/10
Filed: 1954-08-11
Abstract: 776,753. Copy-turning. MONO PUMPS, Ltd. Aug. 11, 1955 [Aug. 11, 1954], No. 23340/54. Drawings to Specification. Class 83 (3). A method of turning helical pump-rotors comprises rotating a workpiece about its own axis at a speed of n revolutions whilst this axis is rotated about an offset axis at a speed of n Œ 1 revolutions, and feeding a tool along the work in such a way that n is the number of revolutions performed for a tool advance equal to the helical pitch of the rotor, the speeds of the work about said axis being variable over a wide range, e.g. from 300 to 1000 revolutions in the time to traverse the pitch p. The apparatus is similar to that described in Specification 776,754. Specification 400,508, [Group XXVI], also is referred to.
Patent GB-598814-A (GB)
Title: Improvements in the manufacture of hollow structural elements for vehicles and particularly aircraft
IPC: B64C1/00
Filed: 1945-09-11
Abstract: 598,814. Vehicle frameworks, SOC. NATIONALE DE CONSTRUCTIONS AERONAUTIQUES DU SUD-EST. Sept. 11, 1945, No. 23432. Convention date, Sept. 12, 1944. [Class 108 (i)] [Also in Group XXXIII] ,Relates to hollow elements or vehicles, particularly aircraft, comprising an inner covering adapted to co-operate with the main frame-work in resisting the stresses to which the structure is submitted. Fig. 1 shows in cross-section the fuselage of a freight-carrying plane adjacent to the wing attachment and wing bracing. An inner stress-resisting covering 1 has attached outside it transverse frames 2. Longitudinal stiffeners 6 outside the skin 1 carry an outer covering 7 which may be of fabric or insulating panels. The covering 1 has within it longitudinal stiffening members 5 and may be of thick metal sheeting or be formed with corrugations. Floor rails 3 are also provided together with H-rails 4 for carrying hoists. An arched panel 8 attached by members 9 to members 10 on frames 2 forms the lower part of the fuselage and provides a space for piping &c. The upper members 10 serve for attachment of wing longerons and the lower ones for attaching struts or braces 14, the skin 7 being made with apertures to avoid connection with it by the stressed members.
Patent GB-262869-A (GB)
Title: Improvements in and relating to apparatus for transmitting or reproducing sound
IPC: H04R11/00
Filed: 1925-09-19
Abstract: 262,869. Brown, S. G. Sept. 19, 1925. Magnetic instruments.-In a receiver of the vibrating-reed type, adjustment of the magnetic circuit is effected by bending the polepieces. The semi-circular permanent magnets a, b are secured by screws c to a back plate d and to polepieces e carrying the coils f. The reed i is mounted above a small gap h, Fig. 4, between the ends of the polepieces, which are both secured to a non-magnetic bridgepiece n screwed to a tapped brass member o engaged by an adjusting screw v. The magnets are secured to the casing s by insulated screws u to which the external leads are connected. The brass member o also carries a reed stop r. The Provisional Specification states that the invention is applicable to any type of apparatus for transmitting or receiving sound.
Patent GB-456605-A (GB)
Title: Improvements in or relating to tin openers or the like
IPC: B67B7/50
Filed: 1935-08-22
Abstract: 456,605. Tin-openers. BARLOW, R., 28, Kingsway, London. Aug. 22, 1935, No. 23593. [Class 66] A device for forming a dispensing opening in the end or side wall of a can consists of a level cranked at 1 and comprising blade and handle portions 3, 6 respectively, the blade being preferably of concave form with a piercer point 4 and inclined cutting edges 5 which may, as shown, merge into parallel cutting edges 5a. An abutment 2 adapted to engage the seam of the can is disposed substantially parallel with the blade 3 and has the free end turned towards it. A hook 7 for removing crown. corks may be provided on the handle portion 6.
Patent GB-360439-A (GB)
Title: Improvements in and relating to alternating current motors
IPC: H02K27/20
Filed: 1930-08-06
Abstract: 360,439. Alternating-current motors. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, and HEINRICH, A. F., 34, Lancaster Road, Rugby. Aug. 6, 1930, No. 23594. [Class 35.] In motors of the type described in Specification 25358/11, [Class 35, Dynamo-electric generators &c.], the two brush-rockers are differentially geared together so that in the case of a motor operating wholly above synchronous speed the brush axes are moved forward with decrease of speed, and in the case of motors operating wholly below synchronous speed the axes are moved backward with increase of speed, these being the requirements necessary for power-factor improvement. In the form shown, the brush-rockers R1, R2 are moved in the directions indicated in order to raise the speed and by making the pinion P1 larger than the pinion P2, the pinions P3, P4 being preferably of the same size, the movement of the rocker R1 will exceed that of the rocker R2 thus moving the brush axis backwards. Similarly, when the speed is lowered the brush axis will receive a forward displacement.
Patent GB-1357847-A (GB)
Title: Housing for centrifugal pumps
IPC: F04D13/06
Filed: 1972-05-19
Abstract: 1357847 Centrifugal pumps VORTEX PUMPEN AG 19 May 1972 [27 May 1971] 23624/72 Heading F1C In a centrifugal pump for connection into a lowpressure piping system, the forces exerted on the pump housing by the piping system as the result of temperature changes are sustained by a pipe 6 extending through a sheet metal casing 7 and sealed to it along a seam 8 e.g. by soldering. The outlet end 13 of the pipe 6 is isolated from the inlet end 14 by a partition 9. Ports 5, 10 on opposite sides of the partition communicate with the suction and discharge sides respectively of the pump, which comprises an impeller 1 driven by a motor 2, 3. A plastic volute 4 projects into the port 5, deformation under the load of a rubber seal ring 12 being prevented by a steel ring 11. The ends of the pipe 6 need not be coaxial.
Patent GB-1508091-A (GB)
Title: Electrode
IPC: C25B11/08
Filed: 1976-06-08
Abstract: 1508091 Pd Ru Sn optionally Ti oxide coated electrode TDK ELECTRONICS CO Ltd 8 June 1976 [9 June 1975] 23624/76 Heading C7B An electrode comprising a conductive substrate e.g. Ti, Ta or Zr which is coated with a mixture comprising 7 to 50 mole per cent total of palladium oxide and ruthenium oxide and 93 to 50 mole per cent of tin oxide of which up to 40 mole per cent can be substituted by titanium oxide. The electrode may be produced by applying the metal components in the form of chlorides, nitrates, acetates, sulphates or organic compounds using sputtering, baking, molten injection or plating and thermally decomposing them in the presence of oxygen or may be produced by anodic oxidation of the coating components. The electrode may be used in the electrolysis of brine.
Patent GB-268228-A (GB)
Title: Improvements in fasteners
IPC: E05B65/52
Filed: 1926-09-24
Abstract: 268,228. Lewis (Finsbury), Ltd., A., and Widmer, H. A. Sept. 24, 1926. Addition to 234,004. Stud-and-slot fastenings; lock mechanism, spring tumbler type. - The wallet fastenings of the parent Specification are provided with locks to prevent accidental or unauthorized release. The spring catch 3 which engages under the bridge-piece 6 is prevented from being depressed for release by the bolt 8 of a small key-lock. The bolt is guided by a pin 11 and slot 10 and is locked by a spring tumbler 14.
Patent GB-480954-A (GB)
Title: Improvements in or relating to apparatus for immersion treatment of metal sheets or the like
IPC: B65G49/04
Filed: 1936-08-28
Abstract: <PICT:0480954/III/1> In apparatus for the immersion treatment of metal and other sheets, for example for pickling, cleaning, or coating, the sheets pass through the treating liquid under the action of gravity whilst lying in planes transverse to their general direction of movement, and their movement is controlled to render it intermittent or uneven to disturb the liquid and bring it into intimate contact with the sheets.  In the apparatus shown, vertical spindles 5 ... 8 in the liquid-container 1 each carry two sets of horizontal fingers 9, 10, the sets being perpendicular to one another and the fingers 10 being at heights midway between those of the fingers 9.  In the position shown in Fig. 5, the fingers 9 extend towards one another and form supports for the sheets, but by rotation of the spindles 5 ... 8 through 90 DEG  they are moved out of supporting position and the sheets fall on to the fingers 10, which simultaneously move into supporting position; thus, simultaneous rotation of the spindles through 90 DEG  in successively opposite directions allows the sheets to fall in a step-by-step manner from one set of fingers to the other until they reach the bottom of the tank.  Here they fall on to arcuately curved guide bars 17, up which they are swept to transfer rollers 28 at the top of the tank by horizontal arms 25 extending from a wheel 21 rotated from a motor through gearing 23.  The arms 25 carry upstanding fingers 27, and are formed with cranked portions 25x to clear the lower edge of an abutment plate 26 which prevents the sheets from moving into the path of the wheel.  The simultaneous reverse rotations of the spindles 5 ... 8 may be effected <PICT:0480954/III/2> <PICT:0480954/III/3> by links 13, 15 pivoted to levers 12, 14 secured to the spindles, one of the links 13 being extended to form a handle 16 by which they are operated.  Preferably the spindles are rotated automatically by pins 31 on the wheel 21, which during rotation of the wheel engage levers 30, 37, the consequent movements of the two levers rotating the spindles in opposite directions through a linkage system connected by a link 29 to an arm 14x on the spindle 6.  In a modified form of apparatus, sets of fixed rung-like supporting-members are arranged parallel to one another with the rungs of one set vertically displaced with relation to those in the other, abutments for the edges of the sheets being arranged behind the rungs.  The sheet is caught at one side by a rung, becomes inclined, and engages a rung on the opposite side, at the same time sliding off the first rung, the process being repeated so that the sheets fall from rung to rung whilst oscillating from side to side.
Patent GB-1147493-A (GB)
Title: Improvements relating to dynamoelectric machines
IPC: H02K3/50
Filed: 1967-05-22
Abstract: 1,147,493. Securing windings in dynamoelectric machines. GENERAL ELECTRIC CO. 22 May, 1967 [23 May, 1966], No. 23681/67. Heading H2A. The end-turns 4 of a dynamo-electric machine are secured together or to stays by an insulating, resin-impregnated binding 8, this binding being tightened by further bindings 9 which also have sufficient bulk to hold the conductors apart. The composite binding then cures at air-temperature. A spacer may also be inserted between the conductors. If desired (Fig. 3, not shown), each wrapping tie wraps around adjacent bars before passing to the next and is bifurcated to lie on each side of the preceding one.
Patent GB-655588-A (GB)
Title: Improvements in or relating to cathode-ray tubes
IPC: H01J29/06
Filed: 1948-09-09
Abstract: 655,588. Cathode-ray tubes. PHILIPS ELECTRICAL, Ltd. Sept. 9, 1948, No. 23720. Convention date, Sept. 12, 1947. [Class 39 (i)] A cathode-ray tube, of the kind having an insulating wall 1 surrounding the space between two electrodes, has its cathode 2 secured to a cylindrical insulator 4 which fits inside the wall and which has on its surface adjacent the wall an adhesive conductive layer 7 which is connected either to the cathode or to a leading-out conductor. This layer tends to prevent undesirable discharges between the cathode and the wall, and as a further precaution against discharges a screen 9 connected to the layer 7 may be provided between the control electrode 6 and the first anode 3. The layer 7 is normally earthed and may be connected to the cathode if the cathode is at earth potential. The screen of the tube may be a luminescent screen or a thin metallic plate which is locally heated.
Patent GB-1534714-A (GB)
Title: Windscreen wipers
IPC: B60S1/40
Filed: 1975-05-31
Abstract: 1534714 Windscreen wipers TRICOFOLBERTH Ltd 28 May 1976 [31 May 1975] 23738/75 Heading A4F An adaptor for connecting a wiper blade having a laterally projecting mounting pin 10 to a wiper arm of the "shepherd's crook" type comprises a body 17 having a flat surfaced web 18 merging into the semi-cylindrical surface of collar portions 20, the surfaces being shaped to receive the end 2 of the arm and being bounded by lateral flanges 24, the portions 20 also defining a bore 26 to receive the pin 10, and a resilient latch member 30 lying almost wholly in a recess 28 between the flanges 24 and being pivotally mounted in the body on an axis, e.g. defined by lugs 32, parallel to that of the bore 26, the latch member 30 having a first latch portion 36 extending through a gap 22 between collar portions 20 so as to engage a circumferential groove 12 in the pin 10, a second latch portion 38 to engage the end 2 of the wiper arm, and an actuating portion 40 which is accessible to a user when the blade and arm have been connected together. As shown the portion 38 is a tongue adapted to enter a hole 8 in the wiper arm. Alternatively it may be a lug or pair of lugs to engage a notch or notches in the side of the arm. The body 17 may be an integral plastics moulding, e.g. of acetal resin, and the latch member 30 stamped from sheet metal, e.g. stainless or spring steel.
Patent GB-821450-A (GB)
Title: Improvements in windscreen wipers
IPC: B60S1/40
Filed: 1956-08-01
Abstract: 821,450. Windscreen cleaners. TRICO PRODUCTS CORPORATION. Aug. 1, 1956 [Dee. 6, 1955], No. 23761/56. Class 138(1). A clip 8, Fig. 3, for attaching a windscreen blade to a wiper arm 2 on which is a shoulder 34, comprises a channel-shaped body 14, 15 and a blade spring 22 mounted therein to define therewith a recess of near-uniform rectangular crosssection throughout its length into which the arm 2 can be inserted from one end of the body, the clip having a shoulder (e.g. the edge of a hole 33) to cooperate with the shoulder 34, the spring having a free end 27 whilst its other end is formed as an abutment 25 to limit movement of the arm into the body. The clip 8, has a top wall 14 and side walls 15, jointed by flared portions 15<SP>1</SP>, Fig. 5, to spaced ears 16 which are connected by a pivot pin 17, Fig. 3, to a primary member 9 of a pressure distributing assembly for the wiper blade (not shown). The side walls 15 have pairs of internal projections 30, 301 and also L-shaped recesses, the latter each comprising legs 28, 29. The spring member 22, Fig. 6, has locking portions 23 to engage in the recesses, a portion 25 to be engaged by the end of the wiper arm 2, Fig. 3, a portion 24 which pivots on the projections 30<SP>1</SP> and a portion 27 which with a flared portion 35 on the wall 14 serves as a flared entrance to receive the arm 2. The top wall 14 has the hole 33 to receive the shoulder 34 on the arm 2. In a modification the shoulder 34 may be on the underside of the arm 2 and engage a shoulder on the spring member, the aperture in the clips then be omitted. The clip may be connected to the blade assembly by a spoon member instead of as shown in Fig. 3.
Patent GB-1114846-A (GB)
Title: Improvements in or relating to solids feeding means
Inventor: THOMSON CHARLES
IPC: B65D90/60
Filed: 1964-10-02
Abstract: 1,114,846. Endless conveyers; feeding material. SOLAR THOMSON ENGINEERING CO. Ltd. 3 June, 1965 [2 Oct., 1964], No. 23804/65. Headings B8A and B8S. A feeding mechanism for the buckets of the endless conveyer, Fig. 1 (not shown), of the parent comprises a chain wheel rotatable about a vertical axis and having side plates 34, 35, each with inwardly-projecting half bushes 36 to engage with pivot pins on the buckets. The upper side plate 34 has an upstanding peripheral wall and a number of feed holes 38 of the same size and shape as the top openings of the buckets and so arranged as to register with those openings as the buckets pass round the chain wheel. Very small anthracite is supplied to a duct 37, the rotary movement of the plate 34 drawing the anthracite round from the duct 37 into an extension 39 so that it can pass into the buckets through the apertures 38.
Patent GB-316684-A (GB)
Title: Improvements in and relating to the concentration of nitric acid
IPC: C01B21/44
Filed: 1929-08-02
Abstract: 316,684. Imperial Chemical Industries, Ltd., (Assignees of Zeisberg, F. C.). Aug. 2, 1928, [Convention date]. Acids, concentrating.-Vapours of dilute nitric acid generated in a boiler 3 are concentrated by dehydration in a tower 1 by means of cold strong or fuming sulphuric acid entering from a vessel 2 and diluted with weak nitric acid from a vessel 8, the strong nitric acid being condensed in a condenser 4. The nitric acid contained in the dehydrating agent is boiled off in a vessel 10 and the vapours are passed into a dephlegmator 12 and thence into a condenser 13, which allows water vapour to pass through uncondensed. The weak nitric acid thus produced may be returned to the vessel 3. The sulphuric acid leaving the vessel 10, which may consist of a series of compartments to prevent the incoming acid from mixing with the concentrated acid, may be sufficiently concentrated to be used again in the process. Specifications 27239/13 and 292,951 are referred to.
Patent GB-1149056-A (GB)
Title: Duplicating process
IPC: B41M5/03
Filed: 1966-05-27
Abstract: 1,149,056. Printing processes. XEROX CORP. 27 May, 1966 [4 June, 1965], No. 23897/66. Heading B6C. In a process for duplicating, a superimposed three-sheet unit comprising an original sheet 1, transfer sheet 2 and inked sheet 3 is placed in a typewriter or other form of pressure impression such that on typing (or marking) an impression such as the word IMAGE on the upper surface of the sheet 1 an inked reverse impression of the word is simultaneously formed on the under surface of the sheet 2. Copies are taken from this sheet in a pressure roller device, Fig. 2 (not shown), until substantially all the ink material forming the reversed image on the transfer sheet 2 has been removed. Whilst the original sheet 1 may be any form of suitable paper each copy sheet must carry on at least its surface facing the sheet 3 a pressure-sensitive layer such as a coating of paraffin, microcrystalline or bees wax or mixtures thereof.