baber/WOPTO huggingface dataset:
Patent GB-1333844-A (GB)
Title: Gas lasers
IPC: H01S3/034
Filed: 1971-04-19
Abstract: 1333844 Lasers SIEMENS AG 19 April 1971 [20 Feb 1970] 21666/71 Heading H1C A gas laser capillary tube 1, Fig. 1, is sealed by a window or mirror 6 mounted on a plastically deformable metal member 2 to allow initial adjustment of the window or mirror. As shown in Fig. 1, the metal mount has a constriction 4 which weakens it; a screw-driver blade may be placed in the constriction to deform the metal. This constriction also provides mode control as in Specification 1,266,470. Fig. 2 shows an alternative metal mount which is adjustable by pinching the region 7, e.g. with pliers. The metal mount may form an electrode. Reference has been directed by the Comptroller to Specification 1,256,118.
Patent GB-137354-A (GB)
Title: Improvements in or relating to casting machines
IPC: B22D13/10
Filed: 1918-12-30
Abstract: 137,354. Thompson, R. W. Dec. 30, 1918. Casting-machines; metal-pouring; moulds. - Centrifugal casting-machines are provided with means for exhausting air prior to pouring, and may have removable split liners. One end of the mould is closed by a stuffing-box K through which passes the nozzle D of a pot E having a, valve G. The other end has a hollow driving- shaft &c C through which air is extracted. The casing A may form the mould, if of the required internal diameter; but if a casting of smaller diameter is required, a liner of suitable thickness is employed. The liner F is in two or more parts, and is tapered or provided with bearing- surfaces at intervals to facilitate removal. The casing A may be heated by burners M.
Patent GB-653582-A (GB)
Title: Improvements in or relating to net making machines
IPC: D04G1/00
Filed: 1948-08-18
Abstract: 653,582. Net-making. PORTER, SPIERS (LEICESTER), Ltd., BOYNTON, T. E., and TURNBULL, W. G. Aug. 18, 1948, No. 21808. [Class 74 (i)] In a power-operated net-making machine having, in combination, a carriage for a row of shuttles adapted to contain spools wound with cotton, a creel stand for supporting bobbins wound with further cottons, a movable bar equipped with a longitudinal series of cotton-engaging hooks and associated mechanisms which tie together and knot the spool cottons and bobbin cottons in the formation of meshes, means are provided so formed, arranged and operable as to be adapted for action regularly upon a predetermined spool cotton, or upon each of two or more appropriately spaced spool cottons, as net making proceeds, suchwise that the said cotton or cottons becomes or become merely loosely interlooped or intertwined with adjacent cottons in contra-distinction to being tied and knotted thereto. There may thus be formed a net divided into easily separable parts A by means of one or more draw-threads DT constituted by spool cottons which are loosely interlooped or intertwined with bobbin cottons BC. In one embodiment, a hook 3 for each draw thread engages the draw thread DT, as the spool cotton-engaging hooks 1 are moved into contact with the spool cottons SC, and holds it out of engagement with the associated one 1<SP>1</SP> of these hooks ; all the hooks are rotated to form spool-cotton loops. Alternatively, the hooks 1.<SP>1</SP> associated with the draw threads DT and the hooks 1 associated with the normal spool cottons SC are rotated in opposite directions by oppositely traversing racks 10, 11 at the time of twisting the spool cottons, whereafter all hooks make the same movements.
Patent GB-1076605-A (GB)
Title: An alternating voltage level switch arrangement
Inventor: BARNET CHRISTOPHER FRANK
IPC: H03K3/284
Filed: 1964-05-26
Abstract: 1,076,605. Threshold switching circuits. ELLIOT BROTHERS (LONDON) Ltd. May 19, 1965 [May 26, 1964], No. 21817/64. Heading H3T. A monostable multivibrator has a Zener diode 13 in the emitter circuit of the transistor 1 which is normally non-conducting so that an A.C. signal from 9 rectified at 12 cannot cause the multivibrator to change over until it has exceeded a certain threshold level. If the unstable period of the multivibrator is half the periodic time of the input signal, the output will be square waves at the collector (or emitter) of transistor 2. These can be rectified to operate a relay to indicate that the A.C. signal has exceeded a predetermined value. The mark-tospace ratio of the square-wave output will be changed if the input signal changes in frequency or if its amplitude exceeds twice the threshold voltage of transistor 1.
Patent GB-1275538-A (GB)
Title: Printing apparatus
IPC: B41J2/345
Filed: 1971-04-19
Abstract: 1275538 Selective printing NATIONAL CASH REGISTER CO 19 April 1971 [9 March 1970] 21825/71 Heading B6F Thermal or light printing apparatus includes a first matrix (26, Fig. 1) which is permanently connected to the apparatus and which has a plurality of selectively energizable first components forming the matrix array. The apparatus also includes a removable second matrix 28 having a second array of energizable components 44 (such as heating elements or light sources), which are arranged to selectively mark an appropriate recording medium. Each of the second components 44, Fig. 5, has electrically in series with it an energizing means 46 which acts as a switch which is closed in response to the energization of the corresponding first component of the first matrix (26). Regardless of the number of components in an array, the second matrix 28 requires only two electrical leads 54 and 66 for connection to a source of electrical potential, with each of the energizing means 46 and its associated second component 44 being connected in series between the leads. Each of the first components may produce heat when energized (resistors 30, Fig. 4) with the associated energizing means 46 including a pair of electrical conductors 48, 50 connected together by semi-conductor material with a negative co-efficient of resistance Alternatively the first component may comprise light sources in the form of lamps (90, Fig. 6) or separately energizable light cells of an electroluminescent display device (Figs. 9 and 10), in which case the energizing means of the second matrix includes a semi-conductor material which is responsive to changes in light. As a further alternative, each of the first components of the first matrix may be in the form of an electrically conducting pad (138, Fig. 7) and each energizing means of the second matrix in the form of a discrete area of semiconductor material (132, Figs. 11 or 12) in contact with first and second electrical conductors (126, 128); the pad (138) and conductors (126, 128) in effect respectively constituting the gate, source and drain electrodes of a field effect transistor.
Patent GB-774204-A (GB)
Title: Improvements in or relating to electric cables
Inventor: SEAL RICHARD ALEXANDER
IPC: H01B9/00
Filed: 1954-07-27
Abstract: 774,204. Cables; couplings. ELECTRIC & MUSICAL INDUSTRIES, Ltd. July 15,1955 [July 27, 1954], No. 21846/54. Classes 36 and 38 (1). A high-frequency power cable 1 comprises spaced inner and outer flexible, fluid-impervious dielectric conduits 2, 3 and flexible tubular inner and outer conductors 4, 5 fitting closely within and over the conduit 2 respectively, so that cooling fluid can circulate through the conductor 4 and between the conductor 5 and conduit 3. The conductors may comprise braided sleeves of fine wires, which may be insulated, and a longitudinally-ribbed flexible core may be disposed within the conductor 4 to maintain its shape. A termination for the cable comprises inner and outer terminals, the inner tubular terminal 11 having a reduced end 12 fitting into conductor 4. The outer end of terminal 11 forms a conical seat for a union 16. Clamping ring 20 joins the end of conduit 2 to the terminal 11 in a fluid-tight manner. The outer terminal comprises a metal sleeve 21 carrying a metal flange 23 the outer face of which is recessed to receive a gland 24 carrying a sealing ring 25, the gland being secured to the flange by screws. A collar 13, slidable on terminal 11, is forced into the outwardly tapered bore of the gland so as to form a fluid-tight seal between conduit 2 and terminal 21. A shell 26 is disposed around terminal 21 to form an annular passage 30. The inner end 27 of the shell is fitted with conduit 3 and secured in a fluidtight manner by clamping ring 28. The outer end 31 of the shell is secured to the flange 23 in a fluid-tight manner. An outlet 32 in flange 23 communicates with passage 30 and has a straight union 34 secured therein. The union 16 is shaped so that the outer ends 35, 36 of the unions are symmetrically disposed about the axis of the terminal 11. An insulating plate 42 and cylindrical housing 43 complete the termination, the latter fitting over a wooden handle 44 surrounding the end of the cable. Cooling fluid circulates through the conduit 2, through the apparatus being supplied, such as the work coil of an induction heating apparatus, and back between conduits 2, 3.
Patent GB-1035249-A (GB)
Title: Improvements in and relating to piston ring assemblies
IPC: F16J9/14
Filed: 1963-05-31
Abstract: 1,035,249. Piston rings. SEALED POWER CORPORATION. May 31, 1963 [June 25, 1962], No. 21886/63. Heading F2T. In an oil ring 11, Fig. 10, fora piston 39 comprising a pair of thin split rings 24 supported and urged outwardly from the ring groove 40 by a spacer-expander split ring, in order to ensure that the ends of the spacer-expander ring cannot overlap each other when the piston and oil ring assembly is inserted in its cylinder 26 each end has a return bent portion 32, 34, Fig. 2, which forms an acute included angle, preferably between 35 degrees and 40 degrees, with the contigous part 36, 38 of the ring. The ring comprises inner crowns 16 and outer crowns 18 connected by upper and lower legs 17 separated by slots 19. If, as shown at 30<SP>1</SP>, Fig. 4, the ends of the ring are not aligned at the beginning of insertion of the piston and ring assembly in the cylinder, continued insertion will result in the elbow 30<SP>1</SP>being carried down the end 32 into the aligned position shown in full lines. If the ends are so much out of line that one end 32 is crushed against the inner crown 38 the diameter of the piston and oil ring assembly at the point of overlap exceeds the cylinder bore and thus prevents insertion. In the modification shown in Fig. 7, the ends 32 and 34 are formed with interengaging notches 46 and 48 and projections 50 and 52,
Patent GB-204667-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H21/42
Filed: 1922-05-22
Abstract: 204,667. Preston, W., and Walker, W. May 22, 1922. Switches, quick-action.-In a switch of the type described in Specification 204,357, wherein an operating member, a contact arm and a spring-controlled follower member are all capable of independent rotation about the same axis, the contact arm is restrained during the initial closing movement of the follower member by a relatively stationary element. A spindle a carries with lost motion a handle c and a sleeve f on which are insulatingly mounted the contact arms g. The sleeve f carries an arm i slotted at j, in which slot works a pin k on the follower member l, fixed to the spindle a and carrying a roller m, which co-operates with a cam n controlled by springs q to give the quick action. In closing, the arms g are restrained as by a spring r engagting the arm i or other appropriate part of the sleeve. Specification 207,363 also is referred to.
Patent GB-1469504-A (GB)
Title: Testing of cigarettes
Inventor: DOERMAN ERYK S
IPC: A24C5/34
Filed: 1973-05-08
Abstract: 1469504 Testing cigarettes MOLINS Ltd 6 May 1974 [8 May 1973] 22002/73 Heading A2C  A cigarette testing apparatus has a device 18 for applying positive or negative pressure to one end of the cigarette, a chamber 12 linked to a transducer around part of the  cigarette, seals to restrict communication between the chamber and the atmosphere and a predetermined leakage path 14, 10, 11 between the chamber and the atmosphere. As shown the chamber may be formed in a flange portion 4A of the testing drum 4 on which the cigarette rests; the cigarette being blown into the bore by compressed air emitted by a fixed member 26. In a second embodiment (Fig. 2, not shown) the flange is replaced by an auxiliary drum which co-operates with the main drum to form the chamber.
Patent GB-284950-A (GB)
Title: Bicycle-support
IPC: B62H1/00
Filed: 1927-08-22
Abstract: 284,950. Bader, H. Aug. 22, 1927. Supports attached to cycles. - Supports of the type fitted to the pedals of bicycles are moved into and out of the operative position by a sliding movement of the pedal along its axle, effected by the action of the rider's foot. In the construction shown in Figs. 1 and 2, the support a, provided with a roller d &c. to engage the ground, is slidably mounted on a rod b, and is coupled by a pivoted link n to the pedal m, which is slidably mounted on its axle i. The pedal is locked in the normal position by an elastic ring g mounted in a groove in the axle i and adapted to engage a groove in the hub of the pedal. In a modification, the slidable support a is pivoted to the long arm of a bell-crank lever, the short arm of which is pivoted to the pedal. In a further modification, the support, which may be telescopically adjustable in length, is pivoted so as to lie normally in a. horizontal position under the pedal, and is operated by a toothed sector or wheel at its upper end, adapted to roll on a stationary rack.
Patent GB-917799-A (GB)
Title: Device for controlling the operating capacity of multi-cylinder reciprocating compressors
IPC: F04B41/06
Filed: 1961-06-19
Abstract: 917,799. Fluid-pressure servomotor-control systems. STAL REFRIGERATION A.B. June 19, 1961 [July 1, 1960], No. 22092/61. Class 135. Apparatus for regulating the capacity of multi-cylinder reciprocating compressors consists of a power device I-IV for each cylinder or group of cylinders, the pistons 7 of which are spring-loaded and connected to means, such as rotary valves 9, whereby operation of the associated cylinder or cylinders is controlled. Each piston 7, except that of servomotor I, is formed as a valve with a groove 14 whilst each cylinder has inlet, outlet and discharge ports 15, 16 and 22, respectively, in its side wall, and further inlet and outlet ports 11, 12 in its end wall. Fluid bled from a lubricating system 3 through a restriction 4 flows in a line 5 to port 11 and out of port 12 in servomotor 1 via a line 13 through ports 15, 16 and groove 14 of each of the pistons of the remaining servomotor in series, and then returns to a sump 2 by a line 17 containing a control valve 18 responsive to compressor pressure. The motive fluid may be compressed and when the valve 18 closes pressure rises in the port 11 of servomotor I but not in the corresponding port of the other servomotors due to the provision of check valves 20 or capillary tubes 21; the piston 7 of servomotor I extends to both load the associated compressor cylinder or cylinders and uncover port 22 whereby port 11 of servomotor II is pressurized and the related compressor cylinder or cylinders loaded. The remaining servomotors are similarly actuated in sequence. A drain line 24 with check valves 25 provides for simultaneous exhausting of all the servomotors when the motive fluid supply is interrupted. In a modification, the lines 5, 17 are joined, a check valve being disposed in each line so that only a small quantity of air passes through the servomotors the remainder flowing through the interconnection and control valve into the sump. The setting speed may be varied by altering the size of the capillary tubes 21; the latter may however be omitted or replaced by manual valves whereby the number of servomotors in use depends upon the number of such valves set to the open position.
Patent GB-588842-A (GB)
Title: Improvements in or relating to display devices, lamps, toys, educational appliances and containers
IPC: G09F11/02
Filed: 1944-11-10
Abstract: 588,842. Toys; educational apparatus. ZIPPERLEN, H. Nov. 10, 1944, No. 22197. [Classes 132 (iii) and 146 (ii)] [Also in Groups XVII and XVIII] Uniformly-shaped three-dimensional bodies, or outlines thereof,. enclosed by four flat sides, are hinged together by sets of hinges such that all the hinges in one set are parallel but the several sets are non-parallel to the remaining sets. The string of bodies are adapted to be rotated so as to display different faces and configurations, the extent of rotation possible depending on the shape of the bodies. Fig. 1 shows a plurality of triangular pyramids a each hinged to its neighbours at b and c. The hinges b are parallel to one another, and also the hinges c, but the hinges b are at right angles to the hinges c. In the configuration shown in Fig. 1 the faces d of the pyramids are turned to view, but if the bodies are given a turn through 90 degrees they assume the arrangement shown in Fig. 2, with the faces e forward. The bodies may be in an open line, and the hinges may have parallelopiped connections. The device may form a toy or an educational apparatus.
Patent GB-1307295-A (GB)
Title: Draught-inducing devices for chimneys
IPC: F23L17/06
Filed: 1970-05-07
Abstract: 1307295 Chimney tops M H ZANIEWSKI 7 May 1970 [9 May 1969] 22220/70 Heading F4J A draught-inducing device comprises two branch members 1 and 2 in two orthogonal planes connected to a horizontal tubular member 6. The branch members which are semicylindrical in transverse cross-section, include projecting edges 4. A flange 5 extending from the vertical pipe 3 prevents the entry of rain or condensation water into the chimney.
Patent GB-1159809-A (GB)
Title: Improvements in and relating to Flock Materials.
Inventor: DOW JAMES
IPC: D04H11/00
Filed: 1966-05-19
Abstract: 1,159,809. Flocked non-woven net. SMITH & NEPHEW PLASTICS Ltd. 4 May, 1967 [19 May, 1966], No. 22222/66. Heading B2E. [Also in Division B5] A flocked material comprises a non-woven net of a thermoplastic material produced by stressing bi-axially a sheet of a thermoplastic material having a regular pattern of embossments or cavities on at least one surface, and adhered to the net, at least one flocked fibre layer. The non-woven net may have a flocked layer adhered to each side; or a flocked layer adhered to one side and a layer of paper adhered to the other side. The layer of paper may be a cellulosic handkerchief tissue with a weight of 17 grams/sq. metre. The stressing may have taken place in the two directions sequentially or simultaneously. The thermoplastic material may be a polymer or copolymer of olefins eg. ethylene and propylene; and preferably high density polyethylene. The flocked fibre layer may be made up of natural or synthetic fibres cut to a length in the range of 0.5 to 4 millimetres. The flocked material may be produced by coating at least one side of a non woven net produced by stressing biaxially a thermoplastic sheet having a regular pattern of embossments or cavities on at least one surface with adhesive and flocking fibres onto the adhesive. Both sides of the net may be coated with adhesive and fibres are flocked onto each side of the coated net, or fibres may be flocked onto one side of the coated net and paper is adhered to the other side. The flocking may be by electrostatic flocking or by a beater bar or by a combination of both methods. The adhesive which may be pressure, heat or solvent responsive may be a curing acrylic adhesive or a hot melt of a co-polymer of ethylene and vinyl acetate. In order to maintain the porous character of the fabric provided by the network structure, the holes of the net should not be allowed to become blocked with adhesive. The flocked material may be used in dress making and for blanket material.
Patent GB-186495-A (GB)
Title: Improvements relating to bulbs for pneumatic warning horns
IPC: G10K9/18
Filed: 1921-08-23
Abstract: 186,495. Smith, J. F. Aug. 23, 1921. Horns, construction of; fluid supply for.-A bulb for warning-horns of the type described in Specification 171,140 is formed without an interior metal tube, the mouth of the bulb being moulded and vulcanized on a thickened neck part. The neck portion b is moulded on a metal tube a dusted with powdered talc or other material to prevent adherence during subsequent vulcanization, and the tube is then removed. The neck may be strengthened by a sleeve f of ebonite or the like, or a solid plug of rubber drilled centrally may be used. The formation of the body c is carried out in the usual manner.
Patent GB-170274-A (GB)
Title: Improvement in non-corroding and non-freezing liquids
IPC: C09K5/20
Filed: 1921-08-23
Abstract: 170,274. Miller, Reese, Hutchison, Inc., (Assignees of Pedersen, A. Z.). Oct. 13, 1920, [Convention date]. Corrosion, preventing.-An uncongealable and anti-corrosive liquid which may be used in place of water in the cooling systems of internal-combustion engines or in place of brine in refrigeranting systems consists of an aqueous solution of a salt such as calcium or sodium chloride and a chromate, such a potassium, sodium, or ammonium chromate. A 25 per cent solution of calcium chloride may have added thereto about 1 per cent of potassium chromate, and about 5 per cent of potassium chromate may be added to a 25 per cent solution of sodium chloride.
Patent GB-1476473-A (GB)
Title: Stress and load distributing connecting fixture assembly for space frame structures
IPC: E04B1/19
Filed: 1974-05-20
Abstract: 1476473 Connecting pieces for space frame joints UNISTRUT CORP 20 May 1974 [24 May 1973] 22390/74 Heading E1K [Also in Division F2] A junction member for a building framework including an intermediate chord frame composed of horizontal struts 10, from the junction points of which diagonal struts 12 extend both upwardly and downwardly to upper and lower chord frames, is of the kind formed from pressed or fabricated steel plate, e.g. as described in Specification 838537, so as to provide alternately horizontal and inclined bearing portions for the struts 10, 12, respectively, each of which portions has a series of alternate lugs 17, 30 and apertures 19, 32 to engage corresponding apertures 14 and lugs 16 on the struts, wherein two such pressed or fabricated plate members 20, 22, Figs. 2 and 4, or 60, 80, Fig. 7, respectively, are secured together in back to back relationship to provide a composite junction member. The lower of the two plate members 22, 80, respectively, have on their horizontal bearing portions, in place of alternate lugs and apertures, a series of apertures 28, 88, respectively, which mate with the corresponding lugs and apertures 30 and 32, or 90 and 92, respectively, such that the lugs 30 or 90 enter the apertures 28 or 88 to a depth of about half the thickness of the plate material. By this means, horizontal struts 10 can be fitted to both upper and lower surfaces of the horizontal bearing portions of the composite plate structure, these struts being secured by bolts 34 and nuts 33. The inclined struts 12 are fitted to one side only of the inclined bearing portions of the plate members in similar fashion. In the embodiment of Fig. 7, each plate member is formed from a pair of plates 62, 64 or 82, 84 each slotted centrally for half their width so that they can be fitted together in crossed formation, and a base plate 66 or 86 having slots 68 or 96 into which tabs 67 or 94 on the respective pairs of plates 62, 64 or 82, 84 engage, the thus located plates 62, 64, 66 or 82, 84, 86 then being permanently secured by welding to form the plate members 60, 80, respectively.