baber/WOPTO huggingface dataset:
Patent GB-1253374-A (GB)
Title: Improved process for the production of metal oxide
IPC: C09C1/36
Filed: 1968-11-15
Abstract: 1,253,374. Plasma arc electrodes. P.P.G. INDUSTRIES Inc. 15 Nov., 1968 [17 Nov., 1967], No. 54269/68. Heading H5H. [Also in Division C1] An electrode, used in arc operation, contains a predetermined proportion of voids. It is such that, if tested by ultrasonic measurement prior to use, it is shown to contain in that portion of it eroded by arc operation, voids greater than 450Á on any dimension, but less than 0À0005 volume per cent of voids at least 480Á in any dimension. The void may be any cavity, inclusion or any other discontinuity and/or non- homogeneity. The electrode may be extruded or cast and may be made of beryllium, chromium, cobalt, gold, manganese, nickel, platinum, silicon, silver, copper, titanium, tungsten, tantalum, zirconium, molybdenum or alloys thereof, or platinum-coated titanium. A preferred electrode consists of 72-100% silver and 28-0% copper. The electrode, which may be tubular or ring-shaped (Figs. 1 and 2) is used in vapour-phase oxidation of metal halides (see Division C1).
Patent GB-1078480-A (GB)
Title: Laundering machine
Inventor: ELLIS HUBERT CHARLES
IPC: D06F37/28
Filed: 1965-12-23
Abstract: 1,078,480. Washing-machines. ELLIS DRIER CO. Dec. 23, 1965, No. 45717/65. Heading D1A. [Also in Division F2] A horizontal cylinder washing machine com prises an inner perforated cylinder and an outer imperforate cylinder independently mounted for relative rotation. The inner cylinder is mounted on axial shafts protruding from its ends for braking and driving the shafts being mounted in bearings comprising toroidal inflatable tubes to absorb vibration the pressures of which are adjustable according to the amount of vibration. Pairs of doors 96 are provided in the inner cylinder on either side of a central partition, these doors open outwardly and are locked by a cylindrical lock bolt mounted in a vane 106a. The outer imperforate casing is mounted on rollers (56) 58 the rollers (56 not shown) being driven and connected by chains and chain wheels to rotate the casing. The doors on the outer casing are slidable circumferentially of the casing to give access to the cylinder doors. Detergents and water are added through a supply manifold 74 through a supply tube 294 mounted on the casing. The discharge outlet is sealed by a disc 338 which is moved into and out of position by an inflatable disc 334. The machine is supported on vibration isolation pads (18) and snubbers 38 reduce vibration. The outer casing is rotatable between filling and emptying positions and charging and discharging positions. Spin drying is performed.
Patent GB-1336439-A (GB)
Title: Electric rotary machines their stators and methods of manufactur ing such machines and stators
IPC: H02K5/173
Filed: 1970-11-19
Abstract: 1336439 Dynamo-electric machines SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 19 Nov 1970 [19 Nov 1969] 55113/70 Heading H2A A laminated stator is provided with end mouldings within the end windings and which are formed with recesses for locating bearing supports temporarily during testing of the machine and in which the supports are finally secured. As shown in Fig. 5, the mouldings comprise annuli 9 of L-shaped cross-section and consisting of hardened lacquer with which the winding 4 is impregnated. The annuli are moulded by a pair of mandrels inserted in the stator bore during impregnation. The bearing supports 10 carrying the rotor 12 are held in the annuli by clamping members 14 during testing of the machine and are subsequently secured in position by moulded insulation 15 or by bonding or cementing. In the latter case, the bonding or cementing substance may be set or its setting speeded up by passing current through the machine with the rotor held stationary. Fig. 11 shows another method of forming each of the mouldings wherein a ring 60<SP>1</SP> of settable material is pressed against the end of the stator and shaped by a mandrel inserted into the stator bore.
Patent GB-1485127-A (GB)
Title: Hand tools
IPC: B25G3/26
Filed: 1973-11-28
Abstract: 1485127 Tool handles JACOBS MFG CO Ltd 13 Nov 1974 [28 Nov 1973] 55259/73 Heading B4K A hand tool comprises a blade or tool part 10 with a connected tang 12, a handle 14 with an aperture 16 for receiving the tang, a locking pin 18 extending across the aperture and the tang having a slot 22 extending from its end to a transverse bore 24 so that the pin 18 can pass along the slot 22 as the tang is introduced into the aperture in the handle, rotation or axial movement of the pin against the action of spring means allowing the pin to engage the bore 24 to prevent removal of the tool part. The pin may have opposed flats 20, Fig. 4, and a pivotable lever 26 for turning it into or out of its locking position. Alternatively (Figs. 6, 7, not shown) the pin may have a portion of enlarged diameter engageable with the bore, the pin being axially displaceable against a spring to allow passage along the slot in the tang. Sets of tool parts such as a joiner's chisels, screwdrivers and painters' and decorators' tools may be used interchangeably with a common handle part.
Patent GB-1512779-A (GB)
Title: Stair lifts
IPC: B66B9/08
Filed: 1974-12-21
Abstract: 1512779 Elevators associated with stairs H CHAPMAN 20 Jan 1976 [21 Dec 1974] 55334/74 Heading B8L An elevator associated with a staircase 6 comprises parallel rails 2 mounted on the stairs and presenting outwardly facing grooves 18 along which a pivotable invalid chair 8, 11 is guided and inwardly facing grooves 20 along which a counterbalance load carrier 10 is guided, the chair and carrier being interconnected by a plurality of cables 24 which pass around pulleys 26 at the upper end of the rails 2 so that the chair and carrier reach opposite ends of the rails simultaneously. The frame 11 for the chair 8 and the carrier 10 have guide wheels 16 shaped to engage the rail grooves which have a V- sectioned lower surface. The rails 2 are supported on each stair tread through either angle pieces 4 or flat plates secured to the rails and anchored to the stair tread. The chair and/or the load carrier 10 incorporate a spring loaded catch for automatic engagement with and manual release from recesses at the upper and lower ends of the rails. In operation, the carrier 10 is loaded with weights 40 to make it substantially equal in weight to the chair plus its intended occupant whereby upon release of the catches, a small force applied to the chair will propel it up or down the rails. The chair frame 11 includes a foot rest 42. In the embodiment of Fig. 3 (not shown) the locking means for the chair frame and/or load carrier comprises a key operated mortise lock on either the rail or moving body, engageable with an aperture on the moving body or rail respectively.
Patent GB-1235291-A (GB)
Title: Improvements relating to automatic read-out systems
Inventor: DUNCAN DAVID ANTHONY DILWYN
IPC: G06F3/06
Filed: 1967-12-06
Abstract: 1,235,291. Tape readers. BRITISH AIRCRAFT CORP. Ltd. 3 Dec., 1968 [6 Dec., 1967], No. 55448/67. Headings G4C and G4M. The stages S 0 -S 7  of a memory are loaded in cyclic succession with characters read from the tape, a counter 22 keeps track of the number of stages loaded, a counter 24 keeps track of the number of stages unloaded as the stages are read out in cyclic succession in synchronism with clock pulses, and a comparator 20 permits loading or unloading of the next stage in accordance with whether the number of loaded stages is less or greater than a predetermined number, so that loading and unloading occur out of step with each other. With counters 22, 24 in the same state, comparator 20 produces O and O-4 outputs to enable the tape drive, the direction being determined by the state of bi-stable B1. A sprocket hole sensing photo-cell triggers M1 which, via inverters 16, V, enables the stages S 0 -S 7  in conjunction with counter 22 and its decoding gates. The trailing edge of the M1 pulse steps counter 22 and the process is repeated until five characters have been stored, e.g. in stages S 0 -S 4 . At this point both outputs of comparator 20 are zero and tape feed stops. Clock pulses are now fed to counter 24 to read out the next stage, e.g. S1, the O-4 output of comparator 20 returns to 1, and tape drive is resumed until the next character has been loaded. The process continues with alternate loading and unloading of characters. The characters may comprise a programme for automatic test equipment which may initiate a test routine in which a tape reversal is called for. In such a case, the load counter 22 is decremented by 1, the tape drive is reversed, and the loading of further characters into the memory is inhibited until the load and unload counts are equal, so that the next character read out is that preceding the character which caused the reverse command.
Patent GB-1109690-A (GB)
Title: 5-oxo-3,4,5,6-tetrahydro-1h-azepino[4,3,2-cd]indoles and the manufacture thereof
IPC: A61K31/00
Filed: 1965-06-18
Abstract: Novel 5 - oxo - 3,4,5,6 - tetrahydro - 1H - azepino[4,3,2-cd]indole-4-carboxylic acid and esters thereof of general formula <FORM:1109690/C2/1> wherein R represents hydrogen or alkyl of 1 to 4 carbon atoms, and 5-oxo-3,4,5,6-tetrahydro-1H-azepino[4,3,2-cd]indole of formula <FORM:1109690/C2/2> are prepared by reacting 4-nitrogramine with a dialkyl malonate in the presence of a basic condensation catalyst to produce a dialkyl-(4-nitro-indole-3-ylmethyl) malonate of general formula <FORM:1109690/C2/3> wherein R1 represents alkyl of 1-4 carbon atoms, and then concomitantly reducing and cyclizing the product using hydrogen and a hydrogenation catalyst, in an inert solvent, to produce a 5-oxo-3,4,5,6-tetrahydro-1H-azepino-[4,3,2-cd]indole-4-carboxylic acid which on heating under reduced pressure at 155-200 DEG  C. produces a compound of the second general formula above. Pharmaceutical compositions having pharmacological activity in animals and mammals may be administered orally or parenterally in the form of tablets, capsules, powder packets, in liquid form or as a suspension, and contain compounds of the first or second general formulae above as the active ingredient.
Patent GB-1446869-A (GB)
Title: Ophthalmometers
IPC: A61B3/107
Filed: 1973-11-29
Abstract: 1446869 Ophthalmometers AMERICAN OPTICAL CORP 29 Nov 1973 [29 Nov 1972 (4)] 55524/73 Heading G2J In an ophthalmometer for the measuring and viewing of a patient's cornea, mirrors 34, Fig. 6, and 30, Figs. 5 and 6, are simultaneously moved to direct light from the cornea to either travel in the line indicated in Fig. 5, to allow an observer to view the cornea or travel in the line indicated in Fig. 6, to allow the observer to measure the radius of curvature of the cornea. The light used to illuminate the cornea may be diffused by appropriate filters or the cornea may be flooded with ultraviolet light. Instead of a patients eye contact lenses may be viewed and measured an appropriate stand being provided for this purpose such stand having a support 140, Fig 8 (not shown) which is flooded with water under pressure. The optical system shown in Figs. 5 and 6 comprises light source 94, mire 82, elliptical reflector 84 magnifying lenses 46, inchromatic wedges 38, lenses 40 and magnifying lenses 48. Three fixed mirrors 52, 54 and 56 are fixed to a Porro frame lens 46 being mounted within an aperture in the frame. Lens 44 and fixed mirror 36 are also provided.
Patent GB-1419395-A (GB)
IPC: F16D65/22
Filed: 1972-12-06
Abstract: 1419395 Slack adjusters GIRLING Ltd 19 Nov 1973 [6 Dec 1972] 56169/72 Heading F2E A transmission member 6 comprises a plate 7 provided with angularly spaced fingers 8 deformed from the plate and adapted to be engaged by a tool which rotates the member 6 and causes consequential rotation of a driven member 3, the remaining portion of the plate defining a guide and side location portion 10 for the tool. As shown, the transmission member 6 is provided in an hydraulic brake actuator having a slack adjuster a piston of which comprises the driven member 3 and the fingers are engaged by a tool, such as a screw driver, to effect the adjustment. The portion 10 provides protection for the actuator rubber boot 11 from the tool. The fingers are punched from the plate, which is annular, and are provided on a pitch circle of constant diameter. All the finger tips lie within the peripheral edge of the plate.
Patent GB-1314460-A (GB)
Title: Explosive compositions
IPC: C06B47/14
Filed: 1971-12-03
Abstract: 1314460 Explosive compositions ICI AUSTRALIA Ltd 3 Dec 1971 [16 Dec 1970] 56206/71 Heading C1D [Also in Division C3] A slurry or plastic explosive composition comprises an inorganic nitrate, chlorate, or perchlorate, water, a fuel, and, as a sensitizing agent, water-insoluble particles encapsulating gas in the interior of each particle and comprising additional fuel material which may be present in the hollow interior of the particles, incorporated with the material forming the particles, or on the exterior of the particles. Some oxygen-releasing salt may also be included in the sensitizing agent. Polymeric materials for the sensitizing agent, oxygenreleasing salts, fuel, and other ingredients may be as described in Specification 1,314,285. Examples describe the following sensitizing agents: vesiculated polystyrene granules containing Al or Si powder in the vesicles, in the polymer, and/or on the outer surface of the granules, vesiculated methacrylate polymer containing sugar in the vesicles, retiporous melamine-formaldehyde resin particles or hollow glass spheres with Al on the outer surface, vesiculated polyester-styrene copolymer containing Al and ammonium nitrate in the vesicles, ground porous polyurethane containing Al, vesiculated polyester-styrene or polyvinylidene microspheres coated with Al, and glass balloons coated with Al or Si. Specification 1,156,596 is referred to.
Patent GB-1207402-A (GB)
Title: Device for producing a strong uniform magnetic field in a limited volume
IPC: H01F7/20
Filed: 1967-12-12
Abstract: 1,207,402. Producing a magnetic field in an ellipsoid; transformers. COMPAGNIE ELECTRO MECANIQUE. 12 Dec., 1967 [16 Dec., 1966], No. 56388/67. Heading H1P and HIT. A device for producing a magnetic field comprises an inducing winding and a screening winding therearound, the two windings being formed by superconductors in a cryostat, characterized in that the two windings form concentric ellipsoids and are connected in series. The ellipsoids may be either oblate or prolate but preferably spherical. A cryostat has inner and outer surfaces 2 and 1, the inner surface enclosing but for passages 3 and 4, a spherical inner zone 5 wherein a magnetic field parallel to axis 6 is produced by coils 7 and 8. The coils are formed from conductors of constant cross-section and wound in the form of co-axial circular convolutions Space 9 of the cryostat contains liquid helium. The device may be used to store magnetic energy for subsequent pulse-wise use, the energy being transferred by a secondary winding by transformer effect or directly. The secondary winding may be placed within the surface 2 or outside surface 1. If required the surfaces 2, 3 and 4 may be omitted.
Patent GB-1183916-A (GB)
Title: Improvements in or Relating to Explosive Compositions
Inventor: BERTHMANN ADOLF
IPC: C06B23/00
Filed: 1968-11-29
Abstract: 1,183,916. Explosive compositions; calcium phosphate. DYNAMIT NOBEL A.G. 29 Nov., 1968 [29 Nov., 1967], No. 56921/68. Headings C1A and C1D. An explosive composition comprises an aromatic nitro compound and from 0À1-15% by weight of calcium phosphate of specific surface 10-50 m.<2>/gm. and bulk density 0À01- 0À07 gms./c.c. The calcium phosphate increases the detonation capacity, improves thermal and impact stability, and reduces liquation at elevated temperature. The aromatic nitro compound may be trinitrotoluene or trinitrobenzene. In examples, the following substances are also present: aluminium powder, hexogen, tetryl, PETN, and chlorinated naphthalene. The calcium phosphate may be made by mixing phosphoric acid with calcium nitrate or calcium chloride and spraying the resulting solution or paste into an inert hot gas stream.
Patent GB-1337348-A (GB)
Title: Cylindrical grinding
IPC: B24B49/00
Filed: 1971-12-08
Abstract: 1337348 Cylindrical grinding NORTON CO 8 Dec 1971 [24 Dec 1970] 56995/71 Heading B3D For cylindrical grinding, a workpiece W is supported with its axis out of parallel to that of grinding means 16, the workpiece W being ground to a tapered form until its smaller end reaches a predetermined diameter, whereupon the workpiece axis is brought into parallel with that of the grinding means 16 so that the rest of the workpiece W may be ground to the predetermined diameter. The workpiece W is supported between a headstock 30 and footstock 40 on a table 26 adjustable on a base 10, a grinding wheel slide 12 supporting spaced grinding wheels 16 on a spindle 14. A centre 42 of the footstock 40 is pivotably linked to a yoke 74, Fig. 2, which yoke is in turn pivoted to a rod 70a of a piston 70 for adjusting the workpiece axis by elastic distortion of the footstock 40. Gauges G1, G2 are engageable with spaced portions of the workpiece W to control the grinding feed and actuate the piston 70 when the predetermined diameter has been reached. During taper grinding, fluid pressure through an inlet 60c urges the piston against a nut 82, the nut being non-rotatably adjustable to set the angle of taper by a differential screw arrangement 88, rotatable through a gear connection 94 to an hydraulically shiftable rack piston 96. At the predetermined diameter, the gauging signal acts through a circuit to reduce the pressure on the piston 70, a spring 86 urging the piston 70 outwardly so that the axes become parallel as the workpiece W pivots about a headstock centre 32. In an alternative construction, Fig. 3, the differential screw 116 is adjustable in steps by means of pistons 132, 134, reciprocable in a body 112 and having spring-biased pawls (146), (148), Fig. 5 (not shown), for co-operating with respective ratchet wheels 124, 126 on the screw 116 to step it in either direction. The operating piston stroke is hydraulically effected, with spring- biased return. A spring-loaded plunger 130 co-operates with a detent gear 128 to hold the screw 116 in adjusted position. Further, Fig. 7, the footstock centre 176 may be supported in a body 172 attached to a base 174 by bolts 178, a differential screw 192 connecting the base 174 to a split nut 194 bolted to the body 172 at a position spaced from the bolts 178. Movement of the centre 176 is effected by elastic distortion of the block 172 about a key portion 172a entered by the bolts 178 under control of a ratchet wheel feed mechanism 190 similar to that of the previous embodiment.
Patent GB-1180469-A (GB)
Title: Insecticidal, Miticidal and Fungicidal Compositions
IPC: A01N57/10
Filed: 1967-12-18
Abstract: 1,180,469. Pesticidal composition comprising thiophosphoric acid esters. IHARA NOYAKU K.K. 18 Dec., 1967 [19 Dec., 1966; 31 July, 1967], No. 57280/67. Heading A5E. [Also in Division C2] Pesticidal compositions comprise as active ingredient a thiophosphoric acid ester of formula wherein R and R<SP>11</SP>, which may be the same or different, represent alkyl groups having from 1-4 carbon atoms, R<SP>1</SP> represents a phenyl or a methyl-, halogen-, or nitro-substituted phenyl group and X is O or S, and an inert diluent or carrier.
Patent GB-1419493-A (GB)
Title: Pumps
IPC: F04B53/10
Filed: 1971-12-09
Abstract: 1419493 Raising liquids E ALLMAN & CO Ltd 11 Dec 1972 [9 Dec 1971] 57310/71 Heading F1R A pump comprises a body 1 having a passage extending between a liquid inlet and a liquid outlet, a support 59 upon which the tubular body is reciprocably mounted, means 11 for reciprocating the body relative to the support, a valve seat (33), Fig. 2 (not shown), disposed within the passage and spaced from the inlet by a tubular inlet passage 21, a valve member (39) which is movable into and out of engagement with the seat, and a spring (47) for retaining the valve member adjacent the seat when the member is disengaged from the seat. The body is reciprocated vertically by an electric motor, but alternatively, a solenoid (131), Fig. 5 (not shown), may be used, or the body coupled to a wheel of a vehicle. In an alternative embodiment, Fig. 4 (not shown), the body has a main horizontal section (113) and a downwardly-inclined section (117), the body in this case being reciprocated horizontally.
Patent GB-1175239-A (GB)
Title: Preparing Stencil Screens.
IPC: G03F7/12
Filed: 1967-12-19
Abstract: 1,175,239. Stencil screens. CORNING GLASS WORKS. Dec.19, 1967 [Dec. 29, 1966], No. 57527/67. Heading G2M. Stencil screens (e.g. silk screens) for printing are prepared by (a) forming a member (e.g. a photographic positive) having an opaque first area corresponding to the area to be printed, surrounded by a light transmitting second area, (b) coating a photo-sensitive emulsion over one surface of the member, (c) exposing the emulsion through the member, (d) removing the unexposed area of the emulsion (e) bonding a pre-stretched screen to the exposed area of the emulsion, (f) removing the member, and preferably (g) drying the emulsion while in contact with a plastics sheet. The prestretched screen may be bonded to the emulsion by applying a second layer of emulsion to the screen before or after contact with the exposed areas of the first emulsion, so that the second emulsion wets the first emulsion, at least partially exposing the second emulsion through the member, removing the unexposed areas, and if the exposure was only partial, completing the exposure.
Patent GB-1203990-A (GB)
Title: Improvements in or relating to balls of knitting wool
IPC: B65H75/24
Filed: 1967-12-20
Abstract: 1,203,990. Balls of knitting yarn. LEIDSCHE WOLSPINNERIJ N.V. 20 Dec., 1967 [20 Dec., 1966], No. 57818/67. Heading B8M. A ball 2 of knitting wool is provided with a resilient core 1 which is made of foamed rubber or foamed plastics material. The core may take the form of a seamed or seamless sleeve or a porous block.
Patent GB-1302746-A (GB)
IPC: G01C21/00
Filed: 1970-12-09
Abstract: 1302746 Course recorders BROWN & ROOT Inc 9 Dec 1970 [19 Dec 1969] 58398/70 Heading G1F [Also in Division G5] The course of a pipe-laying vessel is recorded and compared with a predetermined course on a plotter 18 which comprises a movable pen 26 and a longitudinally movable chart 20 on which the predetermined course is preplotted in a series of contiguous sections, each section being provided with a grid system correctly oriented relative to the course thereon. A micro-wave range measurement system comprising shoremounted transponders 1, 2 and a vessel-mounted interrogator unit 4 provide signals corresponding to the ranges of the transponders from the vessel to a computer 14 which corrects the ranges, calculates the vessel position, and generates control signals to the plotter 18. The preplotting of the predetermined course and the laying out of the grid systems therefore are also controlled by the computer, which has a normal input/output unit 16 for feeding the necessary data into the computer and printing out the ranges of the transponders at each plotting step. The difference between the required and actual positions of the vessel may be used by the computer to develop course correction signals. Alternatively the vessel heading may be corrected manually by an operator observing the plotted positions. The chart 20 comprises a series of sections 308, 310, 312 of the predetermined course, Fig.6, laid substantially end to end with their appropriately oriented grids 302, Fig.7.