baber/WOPTO huggingface dataset:
Patent GB-1225907-A (GB)
IPC: B23K10/02
Filed: 1969-06-12
Abstract: 1,225,907. Welding by fusion and soldering; cutting by fusion. NORTH AMERICAN ROCKWELL CORP. 12 June, 1969 [3 July, 1968], No. 29916/69. Headings B3R and B3V. [Also in Divisions H3-H5] A hand-held plasma jet torch has a current control device and an electric switch for changing the torch from non-transferred to transferred arc operation mounted in the torch handle. The torch comprises a head 28 supported by insulated metal tubes 76, 84, 86 which supply inert gas to the ionizing chamber 51, 58 and cooling water to annular cooling chamber 50 respectively. Rubber tubes 38, 40 and 42 (not shown), connect the metal tubes 76, 84 and 86 to the gas and water supplies. Tube 38 carries a supply wire 72 which is secured by a connector 70 to tube 76 to supply current to the electrode 54 and tube 40 carries a wire 80 which is secured by a connector 78 to the conduit 84 which is connected to nozzle 62 to earth it. The metal tubes 76, 84, 86 are mounted in a two-part insulating housing 27 with the switch 36 for changing the operating mode and a rheostat 32 for controlling the current mounted between them with the operating members projecting through the housing 27. A P.T.F.E. insulator 60 insulates the electrode 54 from the nozzle 62. A gasdiffusing member 66 surrounding the nozzle is held in place by a retaining ring 68. In operation, when the rheostat 32 is turned to its desired position it first initiates a flow of coolant and inert gas and then after a timed interval a high-frequency arc initiating circuit is automatically connected to the nozzle and the electrode until the arc is initiated and whereupon the torch is automatically supplied from the conventional supply. To change the mode from the non-transferred mode to the transferred mode, the switch 36 is depressed to remove the earth from the nozzle and apply it to the workpiece. When the torch moves away from the workpiece the increased arc voltage is sensed and a latching relay is thereby operated to automatically transfer the earth back to the nozzle so that the torch resumes operation in the non-transferred mode. Cutting, welding, soldering and brazing are specified applications.
Patent GB-1231477-A (GB)
IPC: H05H1/00
Filed: 1968-10-30
Abstract: 1,231,477. Lasers. COMPAGNIE GENERALE D'ELECTRICITE. 30 Oct., 1968 [31 Oct., 1967], No. 51510/68. Heading H1C. A plasma is contained in a tank 1 within the optical resonator 4, 5 of a laser 2, and the plasma electron density is determined by mixing the laser output beam 9 at a semitransparent plate 10 with a reference beam 11 from a second laser 19, the optical beat frequency from the mixer being detected by a photo-sensitive cell 12. In the absence of plasma, laser 2 is stabilized at a frequency vo by a follow-up control which comprises a transducer 6 associated with mirror 5 in a feed-' back loop from the detector circuit, the resresponse of the follow-up control being delayed during a measurement period by a slow response circuit 17. Laser 19 is stabilized at a frequency vo by a follow-up control comprising a photo-sensitive cell 27, an operational amplifier 28 and a transducer 29 controlling a mirror 21 of resonator 20, 21. The output of laser 19 is extracted by the use of a tilted tellurium crystal 22 having metallized cadmium sulphide electrodes 23, 24 connected to a source of frequency AVT, the crystal also causing the emergent reference beam 11 to have a frequency of vo + ## r  or # 0  - ## T . The beat frequency produced by the mixer 10 changes when the resonator optical length of laser 2 is changed by the plasma, this change being detected by a circuit connected to the photo-sensitive cell comprising a mixer 39 energized by a reference frequency f0 1 , an amplifier 13, a band-pass filter 14 having a pass band corresponding to the laser mode spacing C/2L and a discriminating limiter 15. The output of the discriminator at terminal 18 consists of a series of sawtooth pulses, Fig. 4 (not shown), the sawtooth terminations being the result of laser 1 periodically reverting from an upper to a lower oscillatory frequency as the generated oscillation passes through the Doppler width. The sawtooth wave may be converted into a stepped voltage indicating the plasma density by using a step generator and an adder, Fig. 3 (not shown). Carbon dioxide lasers of frequency v o  = 10À6 Á may be used, together with frequencies of ## T  = 50 Mc/s. and f 01  = 210 Mc/s. A tellurium crystal may be used to convert the 10À6 Á laser oscillations to 5À3 Á. A circuit addition to extend the measurement range is described, Fig. 5 (not shown).
Patent GB-1232121-A (GB)
IPC: B60G11/48
Filed: 1968-07-15
Abstract: 1,232,121. Rail vehicle suspensions. MASCHINENFABRIK AUGSBURG - NURNBERG A.G. 15 July, 1968 [22 July, 1967], No. 33629/68. Headings B7D and B7L. [Also in Division F2] A (rail) vehicle suspension comprises an air spring 1 in the form of an open annulus having peripheral beaded edges 2, 3 of different diameters and connected in series to a rubber spring 9 or coil spring 10, the arrangement providing flexibility at right angles to the springs' axes. The capacity of the air spring may be augmented by an auxiliary chamber 12, Figs. 3 or 4. The rubber or coil springs may be replaced by a number of rubber or coil springs, respectively, acting in series. As shown in Fig. 7, one or more coil springs are connected to the air spring at its larger diameter edge, the smaller diameter edge being connected to a cylindrical member 18. The rubber spring may act in shear, as shown at 20 in Fig. 8.
Patent GB-1232210-A (GB)
IPC: H04R11/12
Filed: 1968-06-20
Abstract: 1,232,210. Stereophonic pick-ups. AUDIOTECHNICA K.K., [trading as AUDIO TECHNICA CORP.]. 20 June, 1968 [20 June, 1967], No, 29495/68. Heading H4J. A moving armature stereophonic pick-up has a cantilever stylus holder 29 supported by a flexible, tensioned wire or other line 35 (Figs. 8, 10) extending rearwardly from the holder 29. Two armatures 31, 32, preferably permanent magnets, are mounted on the holder 29 at the supported end and are inclined at an angle of 45 degrees to the plane including the longitudinal axis of the stylus holder 29 and the axis of a stylus 30. Each armature 31, 32 is arranged for vibration in an air gap defined between polepieces 41, 42 and 47, 48 of a core 39, 40, 45, 46. A sensing coil 43, 44 &c. is associated with each core for driving signals representative of the movement of the associated armature. A plastics casing 25 has a flange (26), Fig. 6 (not shown), for mounting on a tone arm. The stylus assembly (Fig. 9) has a fitting plug 28 with a cylindrical portion 53 insertable into a socket 32 in the casing. The cantilever stylus holder 29 is inserted in a plastics support 33 for the armatures 31, 32 and a synthetic rubber damper 34 is interposed between support 33 and fitting plug 28. A magnetic shield 36 is provided and there is a cover-plate 37. The cantilever stylus holder 29 is of aluminium tube and piano wire 35 is secured thereto by a sleeve 59. Two coaxial sleeves 60, 61 retain the wire 35 in the plug 28, a set screw 28 being provided. The vibration centre is between sleeves 59 and 60 or between sleeves 59 and 61. In alternative pick-ups, the polepieces and sensing coils are below the stylus holder (Fig. 4, not shown), or two sets of magnetic polepieces and associated sensing coils are provided (Fig. 5, not shown).
Patent GB-1233664-A (GB)
IPC: A47C1/032
Filed: 1969-04-14
Abstract: 1,233,664. Reclining vehicle seat. UNIVERSAL OIL PRODUCTS CO. 14 April, 1969 [16 April, 1968], No. 18985/69. Heading A4J. The seat 17 of a reclining vehicle seat is horizontally slidable on bearing 19 at the front, and pivotally connected to the seat back 11 at a point R, R<1> well above the pivotal connection P of the back. Thus when the back is moved into a reclining position the seat tips downwardly at the rear. A hydraulic locking device (21, Fig. 3) is provided in the form of a double acting piston and cylinder arrangement.
Patent GB-1239296-A (GB)
IPC: G03G15/32
Filed: 1968-10-01
Abstract: 1,239,296. Electron beam apparatus. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 1 Oct., 1968 [3 Oct., 1967], No. 46618/68. Heading H1D. A device pervious to an electron beam comprises a partition in the form of a thin electron beam pervious film 4 of a metal oxide e.g. low atomic number Al 2 O 3  which isolates one region a from another region b. The thin film may separate a vacuum region from the atmosphere itself (Fig. 2, not shown) and may be backed up by a supporting member having a series of slits, an array of fine holes or a mesh-like form. The replaceable medium 3 may be a phosphor, photographic film, electrostatic recording sheet, high molecular weight material, thermoplastic film or alkali halide crystal developing charges in its nature or generation of gas. Applications to medical, electronic measuring and recording apparatus are instanced. In preparing an alumina film by anodic oxidation, an Al sheet is immersed in a NaOH solution, subsequently neutralized with cold HNO 3 , degreased with chromium sulfate and then employed as the anode in a 10% boric acid and 0À1% sodium borate solution electrolyte at 80 to 100‹ C., the remaining Al being etched away by hydrochloric acid and/or ferric chloride solution. An alumina film and support member with fine holes may be made using a photo resist (Figs. 2b to 2e, not shown). Alumina layer 12 is formed by anodic oxidation, U.V. directed through a mask (14) on to photoresist (13), the unexposed portions removed and the Al selectively etched. In an electrodeposition process, a conductive base pattern is deposited on the alumina by printing, vacuum evaporation or the photoresist technique, metal (e.g. Fe, Ni or Cr) electrodeposited and the base Al etched away. A further perforated Fe, Cr or Ni reinforcing member (23) (Figs. 3 and 4, not shown) may be formed by electrodeposition on the same or opposite sides of the alumina film to the aluminium support (22).
Patent GB-1251153-A (GB)
IPC: F23D14/10
Filed: 1969-01-29
Abstract: 1,251,153. Gas burners. HALLER-MEURER-WERK A.G. 29 Jan., 1969 [13 Feb., 1968], No. 4869/69. Heading F4T. A universal gas burner has a Venturi mixing tube 2 and two parallel slot-like burner openings 23, 24 limited by sidewalls 38 connected by passageways 32 for secondary air to enter the gap between the openings. Each opening may be sub-divided by partitions 25, 26, and may be stiffened by rigid connections between the sidewalls by spot welds 36. To produce a uniform flame a deflector 15 at the outlet of the Venturi tube deflects a portion of the gas/ primary air mixture rearwardly.
Patent GB-1257528-A (GB)
IPC: H01J29/00
Filed: 1969-06-23
Abstract: 1,257,528. Colour television tubes. THOMSON CSF. 23 June, 1969 [16 July, 1968], No. 31637/69. Heading H1D. A colour TV tube for correcting the effect of the terrestial magnetic field has four separate flat electromagnets B1 B2, B3, B4, which may be horn shaped (cf., Fig. 8, not shown) one electromagnet being mounted at each of the four screen corners, against and outside and frontally thereof for producing a magnetic field parallel to the tube axis and decreasing from the corners towards the screen centre. The coils may be in series and separately supplied and controlled. Deflections compensated may be as in Figs. 5 and 6 (not shown) due respectively to the terrestial vertical component and horizontal component perpendicular to the tube axis, and the component parallel to the tube axis may be compensated by the coil surrounding the screen used for demagnetization at starting. Mention is made of wider potential tolerance of chromatic purity electrode P (Fig. 1, not shown) and reference is made to a screen with phosphor stripes and dots.
Patent GB-1259401-A (GB)
IPC: B66C1/02
Filed: 1970-04-15
Abstract: 1,259,401. Suction holding devices. DEMAG A.G. 15 April, 1970 [13 May, 1969; 29 Sept., 1969 (2); 12 Dec., 1969], No. 18035/70. Heading B8H. A suction head for lifting articles 21 which is suspended from a device 16 in its cap 17, comprises cylindrical portions la, 1b within which piston rods 7 and a piston 5 are reciprocable, and a cylindrical head 3 connected to the portion 1b to which an annular seal 10 is attached which contacts the article 21. When the piston 5 is raised as shown in the right-hand side of Fig. 1, the pressure in the cylinder la, 1b and the region enclosed by the seal 10 is reduced thus forming a seal with the article 21 and a vacuum pump 12 which is in communication with the suction chamber 14 beneath the piston 5 maintains the reduction in pressure in the space enclosed by the seal 10 when the piston 5 is returned to the position shown in the left-hand side of Fig. 1. A locking device 11 serves to selectively detach the cap 17 from the cylinder la, 1b to permit movement of the piston 5 relative to the cylinder. The seal 10 may be attached to a swing plate (4), Figs. 2, 4 (not shown), which is pivotally attached to cylindrical head 3. In further embodiments ventilation holes (1e), Fig. 3 (not shown) may be provided in the upper cylindrical portion la, and the vacuum pump may be mounted on the exterior of cylindrical portion 1b, Fig. 6 (not shown).
Patent GB-1265950-A (GB)
IPC: B64D25/04
Filed: 1970-07-17
Abstract: 1,265,950. Aircraft ejector seats. NORTON CO. 17 July, 1970 [24 July, 1969], No. 34892/70. Heading B7G. An armoured ejector seat comprises a seat 10 and an ejection mechanism 12, typically a rocket motor, for ejecting the seat away from an aircraft. Two upwardly extending, channelshaped rails 14 are fixed at their lower ends to the aircraft frame and support the seat 10 between them by means of rollers 18 carried on the sides of the seat 10. A pin 22 passes through aligned apertures in each rail 14 and a bracket 28 fixed to the seat 10. The seat 10 is constructed of composite laminated armour material consisting of an inner layer 25 of moulded resin-bonded glass fibre and an outer refractory layer 27 of individual refractory tiles, e.g. of hot pressed boron carbide. The ejection mechanism 12 includes an outer tube 30 connected at its lower end by means of a bracket 32 to the aircraft frame. A rocket motor 34 is slidably received within the upper end of the tube 30 and is connected to the back of the seat 10 by a yoke 36. After the removal of the pins 22 and the firing of the rocket motor 34, the motor 34 moves upwardly out of the tube 30 and carries the seat 10 upwardly so that it becomes free of the rails 14. To prevent failure, the attachment of the yoke 36 to the seat 10 is reinforced by the provision of metal pads 40, 42 which serve to spread the stress. The pads 40, 42 which are preferably of high strength aluminium are mounted on the front and rear surfaces of the seat back respectively (cf. Fig. 3). Each pad 40, 42 includes an integral cylindrical element 46, both elements 46 straddling the yoke 36. A square pin 48 is inserted in aligned central apertures of the elements 46 and the yoke 36 so that the lifting force of the yoke 36 is applied to the entire upper edges of the pads 40, 42. The mounting for each roller 18 comprises a pair of plates 50 disposed on opposite sides of and clamped to the glass fibre layer 25 by rivets. The adjacent refractory tiles of the layer 27 are arranged to fit snugly against the edges of the outer plate 50. The brackets 28 for the pins 22 are fixed to the lowermost outer plates 50. Both plates of each pair have a relatively large surface area in engagement with the glass fibre layer 25 so as to distribute loading forces widely over the surface of the layer to preclude delamination when the seat 10 is subjected to unduly heavy loads.
Patent GB-1296282-A (GB)
IPC: H01J1/20
Filed: 1970-10-15
Abstract: 1296282 Thermionic cathode constructions PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 15 Oct 1970 [18 Oct 1969] 49027/70 Heading H1D A cathode assembly comprises a support 9, 10 and a squashed metal tube/containing an electrically insulated heater 2 and supporting wires 3, 4 which extend parallel to a flat surface 6 of the tube, the wires 3, 4 being fixed to said support so that they are in tension. A Ni tube contains a heater coil 2 insulated by Al 2 O 3  5 and wires of W and 26% Re which are welded to Ni cylinder segments 9, 10 fixed in glass powder 11  in a Ni ring 12. The upper flat surface of the tube is sprayed with emissive BaSr carbonate. The assembly is used in camera tubes.
Patent GB-1322256-A (GB)
Title: Apparatus for paying off undulatory wires
IPC: B21F1/04
Filed: 1970-08-19
Abstract: 1322256 Corrugating wire ANACONDA WIRE & CABLE CO 19 Aug 1970 39926/70 Heading B3E Apparatus for paying corrugated wires 36 to a cable insulation extruder 44 comprises means 12 for guiding a plurality of straight wires 11 to a pair of intermeshing corrugating rolls 13, 14, at least one tensioning roll 24 for the corrugated wires, directing means 39 for distributing said wires about a cable 41 adjacent to said extruder, the tensioning roll 24 having a plurality of circumferential slots (26, Fig. 2, not shown) fitting said corrugated wires and guiding them with the planes of the corrugations radial to the tensioning roll which is mounted in a position varying in response to the tension in the wires, and wherein means 33 are provided responsive to the position of the tensioning roll for varying the speed at which said corrugating rolls are driven. The rolls 13, 14 are mounted in a roll stand 17 on a table 18 and are driven by a motor and gear reducer 19 through a belt drive 23. A pair of tensioning rolls 24, 25 are mounted on an arm 27 mounted on the shaft of a mechanical multiplier (31) (Fig. 2, not shown) coupled to a potentiometer 33 which controls the speed of the motor 19. The roll 25 can be replaced by a non-rotating restraining member. On leaving the corrugating rolls the wires pass through guide tubes 37 and fall in a free catenary curve 38 to a slotted plate 39 that serves as the directing means. Photo electric cells may be used instead of the potentiometer for controlling the speed of motor 19.
Patent GB-1324653-A (GB)
Title: Electroless plating processes
IPC: H01J37/317
Filed: 1970-12-11
Abstract: 1324653 Activation and electroless plating UNITED KINGDOM ATOMIC ENERGY AUTHORITY 11 Dec 1970 [11 Dec 1969] 60626/ 69 Addition to 1247007 Heading C7F Prior to electroless plating , a substrate is bombarded with a dosage of ions sufficient to provide an activated, but not a coated surface, the ions being derived from a source forming a plasma of ions and electrons, and the surface being subjected to alternate periods of bombardment by said ions and electrons respectively in order to prevent build-up of charge on the surface. As shown, make-and-break contacts 1, one of C and the other of Pd, are driven by vibrator 2 and an arc is produced by D.C. source 3. A.C. is applied between 1 and extraction electrode 4 by winding 5, there being beyond the aperture in 4 two arcuate plates 6, one electrically connected to 4 and the other connected in phase to 5. Thus there are produced in +ve and -ve half cycles Pd ions and electrons respectively which are deflected to bombard substrate 7, any neutral particles being caught on plates 6. The ion energy may be 100-1000 eV, the substrate glass or plastics, and the subsequent electroless coating Ni or magnetic alloy, e.g. Ni-Co-P.
Patent GB-1335531-A (GB)
Title: Process for producing aldehydes by vapour phase hydroformylation  of an olefinically unsaturated organic compound
IPC: B01J31/24
Filed: 1969-11-14
Abstract: 1335531 Hydroformylation JOHNSON MATTHEY & CO Ltd 4 Nov 1970 [14 Nov 1969] 55883/69 Addition to 1298331 Heading C2C [Also in Division B1] Aldehydes are produced by hydroformylation of olefinically unsaturated compounds in the presence of a catalyst comprising a hydridocarbonylbis(trisubstituted phosphine, arsine or stibine) rhodium compound or a hydrocarbonyltris(trisubstituted phosphine, arsine or stibine) rhodium compound, the catalyst being supported on a carrier. An example describes the preparation of butyraldehyde from propylen in the presence of hydridocarbonylbis(triphenylphosphine) rhodium (I) on alumina.
Patent GB-1337883-A (GB)
Title: Burners
IPC: F23D3/00
Filed: 1972-12-11
Abstract: 1337883 Liquid fuel burners HEAT GENERATORS Ltd M F PALMER and M C AISH 11 Dec1972 [4 Feb1972] 5427/72 HeadingF4T A liquid fuel burner comprises a base 11 with a plurality of substantially horizontal evaporation surfaces 12, 13 located on at least two levels for receiving liquid fuel, the surfaces being linked by a step or steps, a plurality of spaced parallel burner plates 16 extending upwardly from each surface and a plurality of air vents in each surface, each vent having an upstanding wall 15 and the vents being arranged in a row or rows parallel to the burner plates. The burner plates 16 are perforated and may be formed in pairs as U -shaped units. Wicks 18 are located in the bottom of each unit and aid ignition of the burner until its working temperature is reached. The bottom of plates 16 and wicks 18 are notched to facilitate circulation of fuel around the burner. Unperforated plates 17 are provided between each wall 14 of the base and the outer side of each outer row of tubes 15. The plates 16 are held together by crenellated side members 20 and the tops of adjacent U-shaped units are joined by cover members 21 to ensure air flow through the perforations of plates 16. The plates 16 may be corrugated, or formed in sections which fasten together. The burner may be operated with natural draught or with a fan.
Patent GB-1338643-A (GB)
Title: Sub-frame provided with castors
IPC: B62B5/04
Filed: 1971-02-08
Abstract: 1338643 Castors TOMADO N V 8 Feb 1971 4195/71 Heading A4U [Also in Division B7] A sub-frame, particularly of a trolley, is mounted on castors 10 at least one of which is braked by a brake block 13 forming part of a leaf spring 14 secured to a yoke. A pin 17, actuated by an axially slidable bar 20 having a cam surface 23, presses the block 13 against the castor 10. The bar 20 is actuated by a pedal 26.
Patent GB-1340915-A (GB)
Title: Electric storage batteries
IPC: H01M50/503
Filed: 1972-02-21
Abstract: 1340915 Iritercell connectors for secondary batteries OLDHAM INTERNATIONAL Ltd and H MORTON 21 Feb 1972 [17 March 1971] 7124/71 Heading H1B Cells 1, which are interconnected by cable lengths 8a, have tubular members 7 integral with lids 3. The lower ends of tubes 7 are enlarged to receive lead posts 5, reduced portions 6 of which extend into the upper parts of the tubes 7. Spaces between the tubes 7 and posts 5 contain sealing rings 11, 12. Connections between the cable lengths 8a each include a metallic sleeve 14, of fused lead or crimped copper and an insulating sleeve 15, of PVC for example.
Patent GB-1345008-A (GB)
Title: Apparatus for applying fibrous coatings
IPC: E04F21/08
Filed: 1971-12-23
Abstract: 1345008 Blending fibres LENNINGRADSKY ORDENA TRUDOVOGO KRASNOGO ZNAMENI INZHENERNO-STROITELNY INSTITUT 23 Dec 1971 59863/71 Headings B1C and B2L [Also in Division D1] A fibre-separating device comprises a vertically mounted shaft 11 having horiontal vanes 9 mounted on its upper part and vertical vanes 12 mounted on its lower part, the inside surface of the chamber surrounding the shaft being covered with fibre-engaging teeth. The device blends and feeds the fibres to a binder-spraying gun and is mounted on a trolley.