baber/WOPTO huggingface dataset:
Patent GB-1145459-A (GB)
Title: Improvements in and relating to pneumatic tyres
IPC: B60C11/04
Filed: 1967-12-14
Abstract: 1,145,459. Pneumatic tyre tread pattern. MICHELIN & CIE (COMPAGNIE GENERALE DES ETABS. MICHELIN). 14 Dec., 1967 [19 Dec., 1966], No. 56915/67. Heading B7C. A pneumatic tyre tread has (a) transverse grooves 1-6 of substantially the same length extending in rows across the tread with the grooves in any one row staggered relatively to those in neighbouring rows and bridging the gaps between the grooves in the latter rows; (b) non-rectilinear continuous circumferential grooves 10, 11 dividing the tread into at least three circumferential zones of substantially uniform area and connecting together the transverse grooves in neighbouring rows at the ends of such grooves; and (c) oblique grooves 20-23 connecting together those ends of the transverse grooves which are not connected by circumferential grooves and disposed in circumferential rows in the central zone or zones and in at least one of the " side " circumferential zones, i.e. zones I and III, the depth of the oblique grooves in the side zone or zones being no greater than that of the oblique grooves in the central zone or zones. Studs 30-33 maybe located in the " side " circumferential zones and L-shaped slits 34, 35 may be provided in the blocks between the grooves. Transverse grooves 36 may be provided in the " side " zones which extend into the sidewalls.
Patent GB-1247613-A (GB)
Title: Proline derivatives
IPC: C07H15/16
Filed: 1969-06-19
Abstract: 1,247,613. Pyrrolidine derivatives. UPJOHN CO. 19 June, 1969 [22 July, 1968], No. 57091/70. Divided out of 1,247,612. Heading C2C. Novel pyrrolidine derivatives of the Formulµ I and II: wherein R 1  is C 2-20  alkylidene, C 3-8  cycloalkylidene or C 7-12  aralkylidine and Bu(t) is tertiary butyl, are prepared by the acid hydrolysis of the corresponding 1 - carbobenzoxy - 4 - R 1  - L - 2- pyrrolidine carboxylic acids, followed by, if desired, acylation of the resulting 4-R 1 -L-2- pyrrolidine carboxylic acids with tertiarybutoxy-carbonic acid or a derivative thereof.
Patent GB-1195758-A (GB)
Title: Switch
IPC: G01H1/00
Filed: 1968-12-03
Abstract: 1,195,758. Mechanical interrupters; electromagnetic interrupters. INTERNATIONAL BUSINESS MACHINES CORP. 3 Dec., 1968 [15 Jan., 1968], No. 57225/68. Heading H1N. A switch comprises a pair of electrical contacts, a first resilient member having a non- linear response to a loading force, (i.e. a resilient member, the force exerted by which is not directly proportional to the displacement of the member) for opening and closing the contacts, a second resilient member having a linear response to a loading force (i.e. a resilient member, the force exerted by which is directly proportional to its displacement) capable of applying a reciprocating force to the first member and means for oscillating the second member. The pair of contacts and first resilient member may be on elastic diaphragm switch as described in Specification 1,134,507, the second resilient member may be a spring and the means for oscillating the second member may be a mechanical oscillator supplied via an amplifier from either an electrical oscillator or an electrical signal generator and wave shaper. In the embodiment shown in Fig. 2, the mechanical oscillator comprises a coil 34 wound on an insulating cylinder 30 connected to insulating disc 32 in a permanent magnet pole-piece 28. Oscillations of cylinder 30 are transmitted via plunger 36 held by flexible member 44 and spring 14 (the second resilient member) to actuating member 12 held by flexible member 54. Oscillations of actuator 12 operate elastic diaphragm switch 10. In a modification, Figs. 3, 3a (not shown), the second resilient member is a folded cantilever spring. In an alternative embodiment, Fig. 4, the oscillations are provided by a cam 68 and cam follower 66 bearing on a spring 14c (the second resilient member) fastened to an actuator 12c operating an elastic diaphragm switch 10. A keypush, for example, may be used to rotate shaft 70 carrying cam 68. Preloaded leaf spring 72 supplies an upward force against the displacement applied by roller 66 so that the resultant force on switch 10 is small compared to the force applied to roller 66. In a modification, Fig. 5 (not shown), in place of U-spring 14c is a coiled spring, there is no leaf spring 72, and the arm supporting cam follower 66 is biased upwards by a coil spring to keep follower 66 pressed against cam 68. The actuating signals whether mechanical or electrical may be of a regular oscillatory nature (i.e. sinusoidal waves or rotatory movement actuating a cam) or irregular (e.g. irregular electrical pulses representing digital data or such irregular mechanical motions as keyboard operations).
Patent GB-1415758-A (GB)
Title: Benzanthracene derivatives
IPC: A61K31/445
Filed: 1973-12-17
Abstract: 1415758 Basic alkyl esters of 7H benz[de] anthracen - 7 - one - 3,9 - dicarboxylic acid RICHARDSON-MERRELL Inc 17 Dec 1973 [21 Dec 1972] 58260/73 Heading C2C Novel compounds of Formula I wherein A is a straight or branched alkylene chain having from 2 to 6 carbon atoms; R and R 1  are each hydrogen, lower alkyl having from 1 to 6 carbon atoms, cycloalkyl having from 3 to 6 carbon atoms, or alkenyl having from 3 to 6 carbon atoms in which the unsaturation is in a position other than in the 1-position of the alkenyl group, or R and R 1  taken together with the nitrogen atom to which they are attached represent the pyrrolidinyl, piperidino or morpholino radical; and the pharmaceutically acceptable acid addition salts thereof are prepared either by reaction of an acid of Formula II with an amine of Formula III wherein Z and Z 1  are as R and R 1  except they are not H, or by reaction of a compound of Formula V wherein Y is Cl, Br or OH with the hydrxoy amine HOANR 1 R. The acid of Formula II above is prepared by hydrolysis of the dicyano compound which is obtained by reaction of cuprous cyanide in benzyl cyanide with 3,9-dibromo-7H-benz[de] anthracen-7-one. Pharmaceutical compositions in conventional forms for oral, topical and parenteral administration having anti-viral activity comprise an above novel compound and a carrier or diluent.
Patent GB-1173589-A (GB)
Title: Method of Forming Chambers or Containers.
Inventor: COX RAYMOND JOHN
IPC: B29D22/00
Filed: 1966-12-30
Abstract: 1,173,589. Laminated container; adjustable moulds. R. J. COX. 30 Dec., 1966, No. 58455/66. Headings B5A and B5N.  A method of forming a chamber or container comprises assembling a layer of plastics foam or other blocks 25 with a layer 24 of reinforced plastics material on one side thereof so as to form the shape of at least part of the container, introducing a bonding agent between the layer 24 and the layer of blocks and causing or allowing the bonding agent to set. The method may be performed using a mould, Fig. 1, having side walls 11, 12 an adjustable base made up of overlapping plates 13, 14, an adjustable end wall made up of overlapping plates 16, 17, and a partition made up of overlapping plates 18, 19 and movable toward or away from the plates 16, 17. In one described way of performing the method, the mould is lined with an impervious fibreglass reinforced plastics skin 24, which may consist of preformed sheets produced by impregnating woven or matted fibre glass with a liquid resin and allowing the resin to set, or may be formed in situ in the mould either by placing woven or matted fibreglass in the mould and impregnating with resin by roller, or by simultaneous spraying of chopped strands of fibreglass and a resin. After setting of the resin, insulating blocks 25 of rigid plastics form, which may have parallel, or intersecting sets of parallel, grooves 40 in each face are placed against the skin 24. Pieces of woven fibreglass cloth 26 may be placed between each pair of blocks, and further pieces may be applied elsewhere for strengthening. The edges of the blocks 25 may be rebated to receive the edges of the pieces of cloth 26 and/or wood and/ or steel reinforcing struts. Inner panels 27 of fibreglass reinforced plastics, aluminium, steel, or a laminate of a thermoplastic and fibreglass, e.g. " Celmar " (Registered Trade Mark) are positioned on the blocks 25 and the corners and edges are sealed by strips 28, 29 and 41. Connections 30, 32 are then made to sources of vacuum and connection 33 is made to a source of bonding agent 34. When vacuum is applied it draws skin 24 against the mould walls, draws the layers together, and draws bonding agent around the blocks 25. Vacuum is maintained until the bonding agent is set and all layers secured together. In alternative embodiments the layers may be applied in the same order to a male mould to produce containers useful as railway wagons or shipping containers. The containers may include a door opening surrounded by a laminated strut of wood, steel plate, and high density polyurethane or PVC foam.
Patent GB-1388230-A (GB)
Title: Frequency extension of circularly polarized antenna
IPC: H01Q11/04
Filed: 1973-12-19
Abstract: 1388230 Aerials BENDIX CORP 19 Dec 1973 [26 Dec 1972] 58737/73 Heading H4A A wide-band microwave aerial assembly comprises a spiral aerial fixed to a surface of a substrate of insulating material, said aerial including a pair of interlaced spiral elements having terminals near the axis of the assembly, a cavity structure with conductive walls and of generally cylindrical configuration supporting the assembly, and positioned at the back of the spiral aerial, and a lower-frequency linearlypolarized aerial extension comprising a ground plane backed dipole element electrically connected to the outside ends of each of the spiral elements. As described, feed conductors 20, 22, Fig. 2, which are normally supplied through a co-axial connector having a shield 24, are respectively connected to the inner ends of spiral tracks 10a, 10b of a spiral aerial 10. The outside ends of spiral tracks 10a, 10b are extended by respective dipole arms 14a, 14b. The radiating elements may be formed by a printed circuit process upon an insulating substrate which is positioned above a ground plane 12. Said ground plane is constituted by the back wall of a conductive cylinderical cavity below the spiral aerial 10, and may also be constituted by the back walls of conductive cavity structures below the dipole extensions 14a, 14b. Said cavities may be lined with microwave absorbing material. The spiral aerial is effective with circularly polarized waves, whilst the dipole extensions permit operation with linearly polarized waves of lower frequency. The overall length of the aerial is #/2, whilst its distance from the ground plane is less than #/4, # being the wavelength at the lowest operating frequency. In one embodiment the insulating substrate for the spiral aerial 10, Fig. 3, is shaped to fit to the underside of a domed radome 25, a spacer 30 made of flexible compressible material be interposed. The dipole extensions 14a, 14b are likewise curved to fit to the radome. A cylindrical conductive housing 12 is positioned below the spiral aerial 10, and has metal plate attachments 26a, 26f below the dipole extensions 14a, 14b constituting ground planes. Microwave absorbing material 28a, 28b is provided between the dipole extensions and the ground plane members. In another embodiment the substrate for the spiral aerial and the dipole extensions is planar, and the cylindrical cavity below the former has extensions below the latter (Fig. 1, not shown). The said dipole extensions are depicted as V-shaped.
Patent GB-1322963-A (GB)
Title: Cutting apparatus for semiconductor materials
IPC: B26D1/553
Filed: 1970-12-11
Abstract: 1322963 Severing INTERNATIONAL BUSINESS MACHINES CORP 11 Dec 1970 [30 Dec 1969] 58903/70 Heading B3D Apparatus for cutting semi-conductor and like material comprises a cutting tool 1 having at least one flexible cutting element 3 held in a rigid unstressed condition. As described, the tool consists of a holder 1 of pyrolytic graphite formed with a plurality of grooves 2 in which cutting elements 3 of thin spring steel are secured by an adhesive such as glycol phthalate which is absorbed into the graphite. The holder is mounted in a cutting assembly 10 consisting of a block 15 which is slidably received in an aperture 21 of a carriage 18 for engagement of the cutting elements 3 with a workpiece 14, such as a disc of semi-conductor material, which is to be cut into dice. The carriage is reciprocatable along guide rods 19 by a rod 26 connected to an adjustable crank mechanism 12 driven by a motor 22. The rods 19 are secured to support blocks 20 slidable on vertical posts 35, jack screws 49 being adjustable and engaging recesses 50 in the blocks to determine the height of the blocks and the depth of cut of the elements which are provided with a diamond or other abrasive slurry and have pockets (4, Fig. 1B, not shown) for distributing the slurry and removing waste material. The workpiece 14 is fixed to a stage 33 which is rotatably adjustable by a worm 41 and knob 43 and is carried by a platform 34 adjustable along guide rods 44 by a micrometer drive 45. An alignment plate 36 having a crosshair 46 can be secured by screws passing through slots 47 to the underside of the carriage 18 and adjusted, when the carriage and support blocks 20 are removed from the vertical posts 35 and inverted, to align the crosshair with one of the cutting elements. When the carriage and support blocks are reinverted and placed on the posts with the block 15 and tool removed from the carriage, the workpiece can be aligned with the crosshair by manipulation of the knob 43 and micrometer drive 45. Thereafter, the alignment plate is removed and the block 15 placed in the recess 21 for a cutting operation. Weights may be placed on the block 15 during cutting. After cutting in one direction, the workpiece may be rotated through 90 degrees and the process repeated to cut the workpiece into dice. In another embodiment, the cutting elements are located by spacers in a recess in the block 15. The cutting elements may have a thickness of 2 to 15 mils.
Patent GB-1189500-A (GB)
Title: Preparation of Cellular Foamed Products from Polymers of Propylene
IPC: C08J9/00
Filed: 1967-12-28
Abstract: 1,189,500. Foamed cross-linked propylene polymers. TOYO RAYON K.K. 28 Dec., 1967 [28 Dec., 1966; 30 Dec., 1966; 15 May, 1967; 22 Aug., 1967], No. 58942/67. Headings C3C and C3P. Foamed propylene polymers which are crosslinked with 0À05-20% by wt. of divinylbenzene are claimed which may be prepared either by heating a mixture of the propylene polymer, divinylbenzene an organic free-radical forming agent and a foaming agent, which liberates gas on heating to its decomposition or volatilization temperature, so as to cross-link and foam the polymer, or by treating the above mixture (less free-radical agent) with radiation of a wavelength shorter than visible light at a temperature lower than the softening point of the propylene polymer and then heating the mixture to a temperature above the softening point and above the gas-generating temperature of the foaming agent. The propylene polymer may be isotactic or crystalline polypropylene or an ethylene-propylene copolymer which may be a block copolymer and may be compounded with an ethylene-vinyl acetate copolymer, polybutadiene or polyethylene. The foaming agent may be barium azodicarbonamide, bisbenzenesulphonyl hydrazide, dinitropentamethylenetetramine, barium azodicarboxylate or ptoluene sulphonyl semicarbazide The freeradical agent may be dicunyl peroxide, 2,5-dimethyl - 2,5 - bis(t - butylperoxy) - hexene, dit - butyl - perterephthalate. The divinylbenzene may contain vinyltoluene. The polymer may be formed into a sheet.
Patent GB-1359029-A (GB)
Title: Productionof diphenyl ethers
IPC: A01N33/22
Filed: 1971-12-20
Abstract: 1359029 Production of diphenyl ethers HOOKER CHEMICAL CORP 20 Dec 1971 [7 Jan 1971] 59179/71 Heading C2C Diphenyl ethers are prepared by reacting a phenol (which is optionally substituted) with a halobenzene (which is optionally substituted) in the presence of a solvent of formula wherein R<SP>1</SP> is a (C 1-4 ) alkyl group inthe presence of an alkali metal hydroxide at a temperature of from 0 to 250‹ C.
Patent GB-1380718-A (GB)
Title: Telecommunications headsets
IPC: H04M1/05
Filed: 1971-12-20
Abstract: 1380718 Headsets S G BROWN COMMUNICATIONS Ltd 19 March 1973 [20 Dec 1971] 59193/71 Heading H4J A headset comprises two earpieces at least one of which includes a receiver transducer mounted on a flexible headband, said earpieces also being pivotally mounted about generally vertical axes on a resilient neckband arranged to press the earpieces against the ears of a user. As described the invention is incorporated in the headset described in Specification 1,376,455. In the embodiment the headband comprises a resilient metal strip 30 embedded together with wiring 26 in padding material 31, the earpieces 10 being pivotally mounted as shown about axes 38 formed by bent up ends of wire stirrups 33 themselves rotatable, in clamps 32 secured to the ends of the strip 30. P.T.F.E. sleeves 39 and similar sleeves in clamps 32 allow vertical and horizontal rotation respectively of the earpieces but provide sufficient friction to maintain any set position. Alternatively an adjustable textile headband may extend over the wearer's head and be secured to the tops of the earpieces.
Patent GB-1385915-A (GB)
Title: System for pollution suppression
IPC: C02F3/00
Filed: 1971-12-21
Abstract: 1385915 Settling tanks; mixing apparatus E T ARMSTRONG 21 Dec 1971 [21 Dec 1970] 59380/71 Headings B1C and B1D [Also in Division C1] A plant for treating waste liquid comprises (1) a primary settling tank, (2) a digester for receiving sludge from (1), (3) a primary bioprocessing tank, (4) means for injecting oxygencontaining gas under high momentum exchange conditions (i.e. in which the Reynolds No. is at least 3000) into a line for passing a portion of supernatant liquid from (1) to (3), (5) means for recirculating a portion of effluent from (3) to (1), (6) a secondary bioprocessing tank for receiving effluent from (3), (7) a secondary settling tank for receiving effluent from (6), and (8) means for disinfecting effluent from (7). Oxygen-containing gas may be passed into effluent passing from (3) to (1). Effluent from (3) may be injected with oxygen-containing gas and recirculated to (3). Effluent may be passed from (7) to (3). Fig. 3 shows a suitable primary or secondary settling tank to which effluent is fed via column 90 and rotating diffuser 60 and also by spiral feed pipes 82, 84, and from which supernatant liquid is discharged via a weir at the periphery of the tank and via collectors 62, 64. Screen 74 removes e.g. oil and grease. The tank contains sludge rake 60b. Sludge is discharged through outlet 95. The oxygen and organic content of the tank is sensed by sensors e.g. 72, 72a. In another embodiment effluent is discharged into the bottom of the settling tank. A suitable disinfector (Fig. 5) comprises a number of pipes joined by T-couplings 208, through which a turbulent flow of liquid is passed from 201 to 216 and mixed with ozone introduced at couplings 208. A coupling 208 (Fig. 6) comprises an apertured plate 208a, an ozone-containing oxygen injector 212 and a rod 210 which is vibrated by oscillator 211. Sensors 214 sense the ozone concentration and B.O.D. reduction in the liquid and control the power supply to ozone generator 202. Oxygen may be removed from points such as 218 and 219.
Patent GB-1338413-A (GB)
Title: Pressurised aerosol dispenser sprayhead and valve assembly structure
IPC: B65D83/16
Filed: 1970-12-15
Abstract: 1338413 Dispensing liquids by gaseous pressure E H GREEN 15 Dec 1970 [15 July 1970] 59399/70 Heading F1R [ Also in Division B8] A pressurized package is filled with propellant from a filling head 80, Fig.3, which fits over a button 22 and depresses the latter to open a valve 20 so that pressurized propellant, may then flow around the button's stem 56 to distort a gasket 32 and enter the package. The gas passes through notches 76, Fig.5, around an opening 58 through which the stem 56 passes, the stem being supported by webs 74. More than four notches 76 may be provided and they may be of different shape, e.g. Fig.9 (not shown). As shown in Fig. 3 the button 22 and stem 56 are integral and the stem engages a separate plunger 40 which has a gallery 68 at its top inside a seat 48. A slot 70 in the stem is normally closed by the gasket 32 but provides communication between the bore 66 of the stem and the interior of the valve via the gallery 68 when the button is depressed to dispense a product. The button 22 has notches 88 in its bottom end to allow passage of gas although they may be omitted and the head 80 proportioned so that the button does not contact the top of boss 23, Fig.4 (not shown). In another embodiment, Fig.8 (not shown), the stem (56') is integral with a plunger (40') and has a side slot (70') in its lower half. The button (22') is not integral with the stem. In both embodiments the bottom of the valve housing has a ribbed surface (44) and the head 80 has a spring suspended pusher 96 provided with grooves 94.
Patent GB-1381115-A (GB)
Title: Pattern devices for circular knitting machines
IPC: D04B15/78
Filed: 1971-12-22
Abstract: 1381115 Knitting-machines C TERROT SOHNE 22 Dec 1971 [14 Jan 1971 16 April 1971] 59708/71 Heading D1C A pattern device for a circular machine comprises a plurality of superposed slides each controlled by an electromagnet and urged radially of the cylinder by a spring acting directly thereon, and a plurality of a cams on a shaft, resetting the slides. Each slide 2 is controlled by a jack 8 which may be integral with it. The slides are urged towards the cylinder by a leaf spring 5 or coil spring. Rotary cams 14, acting via followers 16 force the jacks back to the electromagnet 3 at regular intervals. If the magnet is unenergised the slide will be projected by the spring. An elastic member 9 spring mounted on the jack is interposed between the magnet.
Patent GB-1356079-A (GB)
Title: Fastener
IPC: F16B15/00
Filed: 1972-12-28
Abstract: 1356079 Nails NORDISK KARTRO AB 28 Dec 1972 [22 Feb 1972] 59746/72 Heading F2H The shank of a fastener such as a nail has at least one and preferably two parallel-sided oblique slots 13, 14 joined by a weak ligament 15, so that when the tip of the nail comes into engagement with the end of the bore, the ligament 15 deforms or breaks and the lead and rear portions of the fastener slide upon each other as wedges into engagement with the side wall of the bore. The fastener may have a pointed, blunt or rounded tip, and its shank may have flanges 12.
Patent GB-1380250-A (GB)
Title: Self-priming highpressure pump
IPC: F04D29/44
Filed: 1971-12-29
Abstract: 1380250 Centrifugal pumps E J ASK 29 Dec 1971 [6 Jan 1971] 60441/71 Heading F1C In a centrifugal pump comprising an impeller 4 mounted in a housing having an axial inlet 1 and tangential outlet 5, the outer ends of the impeller blades move along the inner surface of the peripheral wall of the housing except at the outlet opening 3 and a side channel 6 formed in at least one axial end-wall of the housing extends around the end-wall adjacent the outlet opening and into the outlet 5. The channel 6 has a gradually increasing cross-sectional area in the direction of flow. The channels 6 communicate via the impeller with the inlet and are said to be effective in priming the pump. The pump may have more than one outlet.