baber/WOPTO huggingface dataset:
Patent GB-969136-A (GB)
Title: Textile machinery cleaning apparatus and method
IPC: D03J1/00
Filed: 1962-12-18
Abstract: 969,136. Removing dust and lint from textile machinery. GRINNELL CORPORATION. Dec. 18, 1962 [Dec. 20, 1961], No. 47684/62. Heading F4X. Lint and dust produced in a textile machine such as a loom, is collected on a sheet 24 arranged beneath lint producing parts of the machine and so as to prevent unwanted dispersal of lint by air currents rising upwardly from the machine, the lint being removed from the sheet by a sweeping device which pushes the lint over the edge of the sheet into a collector such as a suction box. The sheet 24 may be of sheet metal, but preferably it is made of a flexible air-impervious material held under tension by springs. One sweeping device (Figs. 13 to 15, not shown) comprises a pair of arms each carrying a flexible wiper blade, e.g. of rubber, the arms being moved by a manually operated crank handle, over the sheet 24 in the manner of vehicle windshield wipers. The two wiper arms are extendible and the free end of each arm is carried in a suitable guide to ensure that the whole area of the sheet is covered by the wipers. Fig. 5 shows an arrangement in which the wipers are moved continuously over the sheet 24. The wipers 40 are carried on an endless chain 42 and push the lint along the sheet 24 into the suction manifold 30 of the collector unit. Each wiper blade is itself cleaned by contact with the edge 64c of a spring-load plate 64b as the chain passes around the sprocket 46 (see also Fig. 6, not shown). Fig. 11 shows a further sweeping device comprising a rotary brush 76 which is reciprocated back and forth along the sheet 24 so that it sweeps lint into collector boxes 72, 74 alternately. Each end of the brush is mounted in a bearing 82 carrying eyelets to which are connected the ends of a belt 88 passing over pulleys 90, 92, the pulley 90 being driven by a reversible electric motor (not shown). Reversal at the end of the " stroke " is effected by limit switches 118, 120. As the brush is being moved by the belts 88 along the sheet 24 sprockets 106 secured to the brush core, engage a stationary chain 108 and hence rotate the brush. The suction device comprising a motor-driven suction fan, lint container and hoses may form a portable unit.
Patent GB-1402336-A (GB)
Title: Reproduction camera having a control circuit for automatic  regulation of the exposure time
IPC: G03B27/80
Filed: 1972-10-17
Abstract: 1402336 Photographic exposure control ESKOFOT AS 17 Oct 1972 47734/72 Heading G2A A reproduction camera has a photo-resistor 16 mounted on an arm 15 which is pivotable to position the photo-resistor in a desired position in front of the image-plane 4 in order to control exposure time - controlling integrating circuit. Preferably the photo-resistor is positioned to receive light from a highlight in the original. As shown, when the copying lamps are energized a capacitor C starts to charge up and a switching circuit UJT, D, SCR short-circuits a relay REL to de-energize the lamps when the charge has reached a certain level, the charging rate depending on the illumination received by photo-resistor 16, potentiometers P 2 -n which are set according to film sensitivity and a contrast controlling potentiometer P 1 . Scales 14 indicate the positions of a lens (6) Fig. 1 (not shown) and original support table (8) and scales 20 indicate the settings of the potentiometers.
Patent GB-1245455-A (GB)
Title: Improvements in and relating to optical microscopes
IPC: G02B21/24
Filed: 1968-10-09
Abstract: 1,245,455. Microscopes. SOC. D'OPTIQUE, PRECISION, ELECTRONIQUE ET MECANIQUE. Oct. 9, 1968 [Nov.24, 1967], No.47779/68. Heading G2J. An optical microscope comprising coarse and fine adjusting means has a movable table 4, and a fixed member 2 attached to a microscope frame 3 between which is disposed a further, movable member 1 attached to fixed member 2 by means of a resiliently deformable link system consisting of either flexible rods or strips 10, 11, 12. Coarse adjustment is provided by rotation of pinion 7 disposed on a drive-shaft which meshes with a toothed rack 6 rigidly secured to table 4 which is vertically movable between slideways. A screw 9 provides fine adjustment, the back lash in the toothed rack 6 being taken up by the strips 10, 11, 12.
Patent GB-1240273-A (GB)
Title: Method of manufacturing articles from glasses
IPC: C03B17/00
Filed: 1968-10-11
Abstract: 1,240,273. Extruding glass. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 11 Oct., 1968 [14 Oct., 1967], No. 48318/68. Heading C1M. An article (e.g. rod or tube) is formed from a high melting point glass (i.e. one worked at # 1500‹ C.) or a devitrifiable glass by placing the glass in and extrusion vessel and heating the vessel to a temperature between the softening and transformation points of the glass, and extruding the glass in plastic form at this temperature (which is below the devitrification temperature), the glass starting material being in the form of blocks, frit or powder. Examples of suitable glass (including quartz) are given. The filling of the extrusion vessel and the extrusion are preferably carried out in a vacuum. The extrusion vessel, die and mandrel are preferably of graphite, and the die may be lined with Ni or Mo foil, or with pyrolytic graphite.
Patent GB-1121860-A (GB)
Title: A heating rotary drum apparatus
IPC: D02J13/00
Filed: 1965-11-17
Abstract: 1,121,860. Rollers. TOKUSHU DENKI K.K 17 Nov., 1965 [21 Nov., 1964; 20 Jan., 1965], No. 48746/65. Heading.F2U. An inductively heated roller consists of a drum 20 and end disc 22 secured to a drive shaft 10, the other end of the drum being closed by a second disc .23, a stationary axial laminated silicon steel core 28 on a support tube 24 carrying a coil 30 connected to supply leads 32, 34. The drum and discs are made of cast iron with their inner surfaces coated with electrically conductive layers 42, 44, e.g. by metallizing with copper.
Patent GB-1399905-A (GB)
Title: Drying kilns
IPC: C12C1/10
Filed: 1972-10-23
Abstract: 1399905 Drying REDLER CONVEYORS Ltd 11 Jan 1974 [23 Oct 1972] 48788/72 Heading F4G A kiln comprises a housing 1, an open topped receptacle 6 in the housing, and perforated support element 13 adjacent the opening of the receptacle for supporting material to be dried means for supplying drying fluid into a first guide structure causing drying fluid to pass through the perforated element and the material supported thereby and thence into a second guide structure causing the drying fluid which has passed through the material to flow at least about a portion of the exterior of the receptacle to provide thermal insulation for the portion against the ambient temperature exterior to the housing. A fan 26 draws air into the housing 1 through a conduit 23 with an inlet valve 24 and lateral valves 24A, through an opening 27 in a support member 9 for the receptacle 6, past heating means 25, through trunkage 28 and a perforated shield 29 into the receptacle 6 and through the perforations in the support element 13 through the material to be dried, returning through an annular space 12 between the housing and outside of the receptacle, through apertures 11 in the support 9 to the opening 27 and heating means. If the temperature in the receptacle is to be increased the inlet valve 24 and the exhaust valve 32 are closed and side valves 24A are opened. The support element 13 comprises wedge shaped wires and is in four parts which are hinged to the receptacle and controlled by piston and cylinder units 18 whereby when opened the dried material discharges between flaps 34 to a discharge conveyer 36. The annular support member 9 is mounted on walls 10 and forms the upper part of a hopper 8 of the receptacle 6 and supports the upper part 7 of the receptacles. Material which may be barley, malt or the like is supplied to the support element 13 by an elevating conveyer 22 which deposits through an insulated roof 5. The material is distributed by ploughs suspended from a driven rotatable arm 21. The ploughs are set at an angle to give both tangential and radial inward motion.
Patent GB-1197949-A (GB)
Title: Nonwoven Inorganic Sheet Structure
IPC: B01D39/20
Filed: 1967-10-26
Abstract: 1,197,949. Mineral fibre paper. DEXTER CORP. 26 Oct., 1967 [14 Nov., 1966], No. 48828/67. Heading D2B. In a nonwoven sheet of fibres forming a three-dimensionally interengaged network, the fibres are substantially only inorganic and the binder comprises less than 20% by weight of the structure and comprises substantially only a thermoplastic aromatic ether polycondensate, e.g. a polyphenylene ether, such as polyxylenol. The fibres may be of glass, asbestos, ceramics or mineral wool, and the product is suitable for use as a filter for hot gases carrying entrained particles of radioactive materials. The fibres are formed into a sheet by papermaking techniques from a slurry which may also contain minor amounts of organic fibres or conventional organic binders. After drying, the sheet is impregnated with a solution in an organic solvent of the aromatic polyether, and again dried.
Patent GB-1481203-A (GB)
Title: Electric motor control system
IPC: H02P3/10
Filed: 1974-11-13
Abstract: 1481203 Control of D.C. motors GENERAL ELECTRIC CO 13 Nov 1974 [19 Nov 1973] 49101/74 Heading H2J In a known motor control system as shown in Fig. 1, wherein the ON-time of main thyristor 18 is constant and speed control of the motor 10 during driving is effected by varying the OFF- time or the frequency of operation of the gating control 19, the commutating circuit for the thyristor 18 is modified as shown in Fig. 2 to reduce the time to reverse the charge on capacitor 21 and so reduce the ON-time of thyristor 18 during "plug" braking of the motor, thereby reducing the current and preventing selfexcitation of the motor and the consequent undesirable "run away" braking effect. During driving of the motor, capacitor charge reversal is effected by firing a thyristor 22 in series with a winding 23 which may be the secondary of a saturable or non-saturable transformer having a primary winding 24 or may be the single winding of a reactor. During plug braking the charge reversal is effected by firing a thyristor 30, which shunts part of the winding 23 chosen to reduce the charge-reversal time but still produce a capacitor voltage large enough to commutate the thyristor 18. The same effect is produced if thyristor 30 is connected in series with, instead of across thyristor 22 (connection 31), which must thus also be fired during plug braking to effect charge reversal. Fig. 4 shows the application of the invention to a known modification, Fig. 3 (not shown) of the circuit of Fig. 1, this known modification having a charge reversal circuit including only the winding 23<SP>1</SP> and being modified according to the invention by the provision of a thyristor 32 connected to a tap on the winding 23<SP>1</SP> and to the anode or cathode of thyristor 22<SP>1</SP>. As before only thyristor 32 is fired or both thyristors 22<SP>1</SP>, 32 are fired during plug braking, according to the connection 33 between thyristors 22<SP>1</SP>, 32.
Patent GB-1033753-A (GB)
Title: Improvements in or relating to feeding sheets
Inventor: SALISBURY JOHN
IPC: D21H23/56
Filed: 1962-12-27
Abstract: 1,033,753. Feeding carton blanks. METAL BOX CO. Ltd. Dec. 18, 1963 [Dec. 27, 1962], No. 50059/63. Divided out of 1,008,828. Heading B8A. A flat carton blank is heated in tunnel 5, is accelerated by co-operating endless belts 3 and 4, and is guided by elements 6, 19 and 7 to pass through a vertical curtain 2 of hot wax whereby its upper surface is coated. The blank is decelerated by endless belt 15 before passing through vertical curtain 13 of cold water which cools the wax surface on the blank before the latter is discharged between rolls 20 and 21. Retarding belt 15.-Belt 15 is apertured for the application of suction to the blank, suction at 17 being applied to the belt via perforated manifold 16. The carton blank is thus sucked down on to the upper surface of belt 15 and travels with the belt at a speed less than that at which the blank passed through curtain 2. In this way the blank is retarded to make more effective the cooling effect of curtain 13.
Patent GB-1079709-A (GB)
Title: The preparation of phenoxyacetic acids
IPC: C07C51/09
Filed: 1964-12-09
Abstract: Compounds of the Formula I, wherein R represents a C1- 5 alkyl or halo-C1- 5 alkyl radical, each of X and X1 represents a hydrogen or halogen atom or a C1- 5 alkyl radical or, taken together, X and X1 may be joined to represent a 1,3-butadienylene chain, are prepared by the action of a weak acid on a compound of the Formula II, wherein Z represents a radical of the formula -SO-R2 or -SO2-R2 where R2 represents a C1- 6 alkyl, 2-amino-2-carboxy-C1- 5 alkyl, benzyl, allyl, halo-C1- 5 alkyl, carboxy-C1- 5 alkyl, cycloalkyl, phenyl or 2,3-dicarboxyphenyl radical or a radical of the Formula III or IV, where Y represents a diradical of the formula -CnH2nwhere n represents an integer from 1 to 5 and x represents 1 or 2, and, if desired, a resultant compound of the Formula I may be reacted with a base having a non-toxic pharmacologically acceptable cation to produce a salt thereof. <FORM:1079709/C2/1> <FORM:1079709/C2/2>
Patent GB-1443730-A (GB)
Title: Electric switching apparatus
IPC: H01H3/30
Filed: 1973-10-29
Abstract: 1443730 Switching apparatus HAZEMEIJER BV 29 Oct 1973 [30 Oct 1972] 50235/73 Heading H1N Three-phase switching apparatus comprising an insulating stationary portion 1 in which fixed contacts, not shown, are embedded and three symmetrically arranged movable switching caps 3, one shown in Fig. 1, each containing bridging conductors has a switching-on mechanism consisting of a movable cylinder 4 to which the caps 3 are attached together with symmetrically arranged shoes 6 slidable on guides 7 towards a magnetic holding device comprising an arrangement of permanent magnets 10 which retains an armature 11 on the cylinder 4 when the apparatus is in the switched-on position against the stored energy of a set of springs 9 fixedly located on a bracket 8 and attached to the shoes 6 so that the springs are stretched during the switching-on process. In the magnetically retained position the armature 11 rests against a flat 15 of a D-shaft 12 which can be rotated by means of a lever arm 16 being pressed by a pin 17 to disengage the magnetic hold and the apparatus is then switched off by the stored energy of the springs 9. In series connection with its switching cap 3 each phase of the switching apparatus is provided with a fuse 18, Fig. 2, incorporating a striking pin 22 which, when a fuse blows, pushes a permanent magnet 21 towards another permanent magnet 24 located on the other side of a wall 23 forming part of the insulating stationary portion 1. As shown in Fig. 3 the permanent magnets 24 are mounted on the arms of a spider 25 normally lying against an abutment pin 27 and which forms the rotor of a magnetic motor rotatable under magnetic unbalance conditions to rotate clockwise about a pivot 26 so that a projection 28 causes a pendulum 29 to swing anticlockwise about a pivot shaft 30 until its arm carrying a bevelled portion 32 strikes an abutment 31 during which movement the bevelled portion 32 passes over the end of pin 17 and pushes the pin axially to release the magnetic holding device as described. The shaft 30 has an extension 33 by which the pendulum can be reset or be swung manually to release the magnetic holding device. Specification 1,099,901 is referred to.
Patent GB-503484-A (GB)
Abstract: 503,484. Electric signalling systems. HAWORTH, A. N., and METROPOLITANVICKERS ELECTRICAL CO.. Ltd. Oct. 4, 1937, No. 26844. [Class 40 (i)] In a mimic diagram of the type in which symbols, cut out from an opaque panel are selectively illuminated by lamps of different colour, vertical partitions 2 support borizontally arranged members 5 having upturned or downturned side flanges 6. Claws 8, arranged on the side flanges support translucent windows 9 set back from the panel 1 by an extension on the member 5 to reduce the effect of light entering through the symbol apertures, upturned edges 10, 10a preventing the entry of light from other cells. Each member 5 is sufficiently narrow to ventilate the lamp cells, the side flanges excluding extraneous light. The back 15, carrying the lamps 14 is maintained in position by a catch 16, coloured hoods 17 carried by wire guards 18 being provided. Specification 394,735 is referred to.
Patent GB-1450486-A (GB)
Title: Metal particularly gold recovery
IPC: C22B23/00
Filed: 1974-11-22
Abstract: 1450486 Recovery of gold, silver, copper and nickel ANGLO AMERICAN CORP OF SOUTH AFRICA Ltd 22 Nov 1974 [23 Nov 1973 22 Feb 1974 18 April 1974] 50808/74 Heading C1A Gold, silver, copper or nickel values absorbed on a support of the charcoal type, e.g. activated charcoal, in the form of an ionic complex wherein the metal values form part of the anionic portion are recovered by contacting the support with water having a low concentration of metal cations, e.g. deionized or softened water, to desorb the metal values in the form of the ionic complex. Gold values may be recovered from a cyanidation process leach solution by absorption of the aurocyanide complex ions on to charcoal, screening off the loaded absorbent and thence recovering the gold values by desorbing in the form of the complex by eluting with water of low metal cation concentration.
Patent GB-1404049-A (GB)
Title: Actuating devices and to actuating arrangements incorporating  such devices
IPC: F15B15/08
Filed: 1972-11-06
Abstract: 1404049 Fluid operated actuators GEC ELLIOTT MECHANICAL HANDLING Ltd 6 Nov 1973 [6 Nov 1972] 50979/72 Heading F1D An actuator for producing a rotary output comprises a piston 3, Fig. 1, connected to an output shaft 8 by links 6 and lugs 3a, 8a. The cylinder 2 and housing 1 are in communication. One or other of connections 23, 24 is connected to a source of pressure fluid at approximately 750 p.s.i. whilst the other connection is connected to a higher pressure to produce motion of the piston. Fig. 5 (not shown), illustrates a control circuit for the actuator. The actuator may operate a valve, either directly through a splined or keyed shaft, or through a gear-box.
Patent GB-1429088-A (GB)
Title: Fire shutter lath for an air-conditioning installation fire  shutter
IPC: F24F13/10
Filed: 1973-11-03
Abstract: 1429088 Pinless hinges HALTON OY 3 Nov 1973 51136/73 Heading E2F [Also in Divisions A5 and A6] Pinless hinges are used to articulate the laths 6 of a shutter of a fire damper in an air conditioning system and comprise the interengaging longitudinal edges of the laths formed as follows: one edge of each lath is bent into three portions 7a, 7b, 7c at right angles into which engage the edge of another lath bent into two portions 8a, 8b to form a triangle. The bend nearest the body of the lath in each case is a right angle and portion 7c is no more than half the width of portion 7a.
Patent GB-1369099-A (GB)
Title: Hydraulic control device and braking system including said device
IPC: B60T13/12
Filed: 1972-11-09
Abstract: 1369099 Drives valves BENDIX CORP 9 Nov 1972 [3 Dec 1971] 51820/72 Headings F2F and F2V In an hydraulic control device, a first valve comprising a spool is movable between a first position permitting uninhibited fluid communication between an inlet and an outlet and a second position restricting such flow but permitting flow from the inlet through a second, one-way valve to a chamber in which is located a piston assembly, the second valve being opened for return flow to the outlet by the spool when it is moved past its second position to a third position. Fig. 2 shows a spool valve 40, operator controlled, in its first position permitting flow from the inlet 12 to the outlet 16. Rightward movement causes the outlet 16 to be blocked by a land 42, but the inlet 12 has greater width and restricted flow of greater pressure enters a compartment 60, and opens the one-way valve 58 for pressurization of the chamber 68. This causes a composite piston assembly 66 to move rightwardly cutting off a reservoir port, pressurizing a chamber 64, causing spring applied, parking and emergency brakes to be released. To compensate pressure variation in the chamber 64 due to temperature fluctuation, the composite piston assembly 66 contains a compressed gas which allows an -inner piston 86 to move to vary the volume of chamber 64. For brake actuation, the spool valve 42 is moved rightwardly so that the spool 40 opens the oneway valve 58. The fluid flows to the outlet 16 via channels in lands 44, 42 of the spool. Fig. 4 shows the addition of a relief valve 192 which opens to the outlet 116 when the pressure in the compartment 160 between the two valves 140, 158 reaches a predetermined level. In addition, the composite piston assembly 66 is replaced by a spring biased piston 194 which allows the volume of a chamber 208 between the piston and the one-way valve 158 to vary to regulate the pressure therein and in a chamber 200 leading to the brakes. The control device is connected between a power steering gear 122 and a pump 114, Fig. 4, or between the high pressure side of the pump and an inlet of an hydraulic master cylinder booster 118. The spring actuators controlled by the device operate the rear brakes.
Patent GB-1484378-A (GB)
Title: Process for wetting textile materials
IPC: D06M13/02
Filed: 1974-12-05
Abstract: 1484378 Wetting textiles HOECHST AG 5 Dec 1974 [7 Dec 1973] 52690/74 Headings D1B and D1P An improved wetting effect is obtained by treating textiles with an aqueous liquor, which may be a dyeing or finishing liquor, comprising a mixture of water from 10-60% by volume based on the mixture, of a saturated aliphatic monohydric alcohol (1 or 2C) and at least one aliphatic, straight-chain or branched, monohydric alcohol (more than 2C). The alcohol (1 or 2C) is preferably methanol. The alcohol (more than 2C) may be propanol, isopropanol, butanol or isobutanol. The composition may further contain a surface active substance which is an oxyethylation, oxypropylation and/or sulphonation product of an aliphatic fatty alcohol e.g. the reaction product of I mol of isotridecyl alcohol with 5-10 mols of ethylene oxide. The treated textile may be dried using a burning-off technique.
Patent GB-1362409-A (GB)
Title: Dashpot
IPC: F16F9/22
Filed: 1972-11-20
Abstract: 1362409 Dashpots MARTONAIR Ltd 20 Nov 1972 [18 Nov 1971] 53498/71 Heading F2S A dashpot comprises a first piston 7 whose speed within a cylinder 5 is to be controlled, a second cylinder 6 forming a reservoir receiving fluid from the first cylinder during an inward stroke which displaces a piston 9 against a return spring 11, an adjustable valve (13, Fig. 2, not shown) between the cylinders to control the flow, and a by-pass path which is closed during the inward stroke. The by-pass is closed by a spring loaded one-way valve (15, Fig. 2) and the valve (13) is a tapered needle valve providing speeds of ¥ inch to 50 inches per minute for the piston 7. An oil-filling plug (16) and a bleed valve (17) are provided. The piston-rod 10 serves as a travel indicator.
Patent GB-1456647-A (GB)
Title: Contact grills
IPC: E05D7/00
Filed: 1973-11-21
Abstract: 1456647 Contact grills SELEX DOMESTIC APPLIANCES Ltd 21 Nov 1973 53908/73 Heading A4D [Also in Division E2] An electric contact grill has upper and lower grill members 2, 4 connected by a hinge 16, Fig. 4, which comprises a first member 22, Figs. 1a, 2a having a groove 26 and a second member 32, Figs. 1b, 2b, having a projection 36 which engages in the groove to allow both pivotal movement and relative movement along the groove to space the members; a rest surface 30 supporting the projection 36 in the position shown in Fig. 4 and a stay 14 holding the opposite end of member 2.