baber/WOPTO huggingface dataset:
Patent GB-894091-A (GB)
Title: An improved method and apparatus for producing measuring tapes incorporating glass fibres
Inventor: BEET ARTHUR
IPC: D04H3/12
Filed: 1959-12-15
Abstract: 894,091. Fabrics composed of adhesivelyunited threads; coating webs. RABONE & SONS Ltd., JOHN. Nov. 18, 1960 [Dec. 15, 1959], No. 42519/59. Class 140. A method of producing measuring-tapes comprises the steps of aligning in parallel and substantially coplanar relationship a plurality of glass fibre threads and applying to the group of threads a continuous coating of plastic enclosing the threads to form the tape. As shown, Figs. 1 and 2, glass fibre threads are fed from spools 5 through open grid-like guide 6, then through guide 7 comprising a number of horizontal parallel bars and guide 8 having verticallyextending teeth whence they emerge in parallel co-planar relationship as a tape of single thread vertical thickness and then pass through the horizontally-extending gap of a gate 9, over and under guide-rods 10, through a second gate 12 and thence along ramp 16 into the mouth at the lower end of bath 13, which is of upwardly divergent funnel-like configuration and maintained substantially full of polyvinyl chloride paste from delivery tank 14, via fuel pipe 15 ; surplus paste drains down ramp 16 into vessel 11. From bath 13 the coated threads pass up ramp 16, through die 17, thence through horizontally adjustable gates 18 and 19, over blade 20, surplus paste being collected in drip-tray 22, and thence over blade 23 and on to horizontal bars 24 mounted between a pair of wheel discs 25. These latter are rotatable within an oven 26 wherein the tape is heated by infra-red heaters 27 located on each side of the tape, so as to cure the P.V.C. Thence the tape is led between pressure rolls 28, over guides 29 and is wound up on roll 30. A further coating of polyvinyl chloride is then applied to the tape as shown in Fig. 4, where tape from spool 30 is fed through guide apertures 31, over roller 32 and beneath guide-bar 33 immersed in bath 34 of polyvinyl chloride paste. Thence the tape passes between two pairs of felt-covered rollers 35 and 38 and into oven 39 wherein it passes over guides 40 and curing of the second coating of polyvinyl chloride is effected. The tape then passes between pressure-rolls 41 and on to windup roll 42.
Patent GB-1497446-A (GB)
Title: Refuse disposal
IPC: B07B9/00
Filed: 1975-10-16
Abstract: 1497446 Pneumatic separation KRAUSSMAFFEI AG 16 Oct 1975 [18 Oct 1974] 42529/75 Heading B2H Communal and industrial refuse is sorted by magnetically removing ferromagnetic components at 3, coarsely shredding the remaining components at 4, and applying an -air current in a classifier 6 to separate out heavier and lighter fractions. A light fraction A of sheet paper, foils, and light textiles passes through a sieve 7 to produce paper for recycling. A medium fraction B of cartons, heavy plastics parts and paper bundles is loosened by a bristle roller 8 having radially projecting stepped bristles and passes to a zig-zag classifier 9 and cyclone separator 10 which separate out a light fraction A'. Carton fractions A" are finally separated from a remaining heavy fraction C by a sieve 11, and the remainder is burnt or disposed of. The refuse may be subject to loosening between individual processing steps, and the initial refuse containers or bags may be coarsely shredded before the magnetic separation. The air current classifier 6 may employ a horizontal air stream followed by a vertical air stream which separates from the middle fraction B lighter components A' suitable for paper recycling. The lighter components rise in the air stream and may be centrifugally separated at 10, whereas the heavier components fall downwardly and may be subject to sieving for removing fibrous components.
Patent GB-1358916-A (GB)
Title: Electric stress cones
IPC: H02G15/068
Filed: 1971-09-15
Abstract: 1358916 Cable joints INDUSTRIE PIRELLI SpA 15 Sept 1971 [15 Sept 1970] 43038/71 Heading H2E In a method of forming a stress cone on each individually screened core 22, 23, 24 of cable 20, sleeves 14, 15, 16 of elastomeric material tapering towards the end remote from the cable end are slid on to the cores until they reach the interrupted end of the screening layer, then layers 17, 18, 19 of conductive sheet material, e.g. carbon paper are wound round the tapering surfaces and contact electrically the screening layers.
Patent GB-989148-A (GB)
Title: Improvements in a method of and apparatus for drying tanned skins under vacuum in a continuous operation
IPC: C14B1/26
Filed: 1963-10-31
Abstract: <PICT:0989148/C6-C7/1> <PICT:0989148/C6-C7/2> Apparatus for drying tanned skins 18 under heat and vacuum comprises a driving and an idler roller 1, 2 supporting a stainless steel conveyer belt 3. for movement in step-by-step manner between an upper and a lower plate 10, 4, a central compartment 4a in the latter being heated to a predetermined temperature between 40 DEG C. and 90 DEG C. by heating fluid passing through pipes 5, 6, and the former being raisable and connected through pipes 14, 14a, 14b with an air pump (not shown) for establishing a vacuum of 500-750 mm. of mercury in compartments 11, 12, 13 formed therein and into which each skin passes in succession. The upper plate 10 may be made in independently raisable sections and the plate 4 in independently heatable sections.  In operation, the plate 10 is raised, the conveyer is advanced one step, and the plate 10 is lowered until a flexible rubber skirt 24 bears against the belt 3.  The compartments 11, 12, 13 are evacuated and heating fluid is pumped to compartment 4a, moisture from the skins being drawn out through the evacuating pipes.  A fixed plate 22 in each compartment of the upper plate is connected to a bellows 19 which supports steam-pervious layers of netting 17 resting on the skin with a pressure between 0 and 1 kg./cm.2 controlled by manipulation of a three-way valve 201.  The belt 3, when stationary, may be kept in contact with the plate 4 by connecting to the air pump pipes 9, 9a in slide compartments 4b, 4c having in their upper faces holes 8, Fig. 2 (not shown), or by providing electromagnets in the plate 4.  After a predetermined time, the process is repeated, the upper plate being raised again and the conveyer advanced another step.
Patent GB-1481618-A (GB)
Title: Visual display cell and energising circuit therefor
IPC: G01R19/165
Filed: 1974-10-08
Abstract: 1481618 Controlling light PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 8 Oct 1974 [11 Oct 1973] 43517/74 Heading G2F A display device comprises a redox pair in a liquid between two inert electrodes 3, 5, at least one of which may be seen via a transparent part of a container 1, only one of the redox components being soluble in the liquid and the areas of the electrode surfaces in contact with the liquid being substantially equal, and an energizing circuit comprising a current limited supply source 21 (39), a reversing switch 11 with changeover contacts coupled to electrodes 3, 5 and poles coupled to the source 21, a control switch 39 in series between the source 21 and a pole of switch 11, and a threshold circuit 25 between the poles of switch 11 providing an output 27 determining the state of switch 39, such that when a predetermined voltage is reached between electrodes 3 and 5, the switch 39 is turned off. If the current from source 21 is sufficiently limited, the control switch 39 may be directly actuated by the threshold circuit. However in the Figure an intermediate circuit 31 is provided for charging the cell 1, 3, 5 in pulsed fashion and measuring the voltage developed by the cell a predetermined period after each pulse, the current being limited by a base resistor 37. Actuation of a push-button 57 sets an R5 flip-flop 59 which is retained in that state by feedback via a NAND gate 61 as long as the output of circuit 25 corresponds to a below threshold state. The set output of the flip-flop 59 controls a J-K flip-flop 63 supplied with clockpulses 41 so that while the measured voltage is below threshold the pulses are divided between NAND gates 65, 67, one set controlling the switch 39 and the other being fed to the reset input of flip-flop 59. When the output of circuit 25 charges to the above-threshold value, the output of gate 61 charges. If the charge persists until the period when a reset pulse occurs at the input to flip-flop 59, switch 39 being off during this period, the reset pulse charges the set output, stopping the action of flip-flop 63 and leaving the switch 39 off. The reversing switch 11 is controlled by a signal 55 so that the cell may be charged to the same level in either direction, writing and erasing, using the same control circuitry.
Patent GB-936910-A (GB)
Title: A system for measuring the lattice spacing of a crystal by means of x-rays
Inventor: SHIMULA YOSHIHIRO
IPC: G01N23/205
Filed: 1959-12-22
Abstract: 936,910. X-ray spectrometers. RIGAKU DENKI CO. Ltd. Dec. 22, 1959, No. 43594/59. Class 40 (3). [Also in Group XX] A goniometer having an X-ray source 3 and a heatable crystal 2 has a counter tube of twinned construction, 4 1 , 4 2 , the difference in the two outputs being utilized to control a motor which rotates the goniometer until the outputs are equal again. As shown, the motor 6 rotates the counter tubes 4 1 , 4 2  and the crystal 2 so that the speed of the former is twice that of the latter, in the usual way. The outputs of the two counter tubes are taken off separately, balanced, and fed through an amplifier to the motor 6. When the two outputs are equal, the motor remains inactive, and the lattice spacing can be calculated from the usual Bragg equation. When the crystal is heated, and variation in the lattice spacing occurs, the radiation intensity received by the two counters becomes unequal; the difference is amplified and caused to drive motor 6, which rotates the goniometer one way or the other to restore the equality, after which the motor stops again. The motor also alters the position of the slider of a potentiometer 11 which controls an automatic recorder 12. This has a roll of recording paper moving at a uniform speed in direction t (Fig. 3), along which temperature gradients are marked. The value in the direction d gives the lattice spacing, and since the recorder is continuous-reading, the variations of lattice spacing with change of temperature are automatically plotted.
Patent GB-1527354-A (GB)
Title: Gravitometers
IPC: G01N9/00
Filed: 1975-10-23
Abstract: 1527354 Vibration densitometers ITT INDUSTRIES Inc 23 Oct 1975 [23 Oct 1974] 43647/75 Heading G1G A gravitometer for measuring the ratio G of the density of a gas to that of air at the same temperature and pressure comprises two ferro-magnetic vanes 109, 110, Fig. 11, made to vibrate in the gas and air respectively by an alternating magnetic field fed through rod 186, the resulting resonance frequencies fg, fa being sensed by Piezo-crystals 111, 112, fed through respective phase-locked loops 319, 318, Fig. 4 and combined in an amplifier 304 which feeds a drive coil 187, the frequencies fg, fa (corresponding periods Tg, Ta) being fed to a digital computer 328 to calculate G according one of two equations:- in which K, Tg o , fa°, Ta° are constants. Full construction details of two test cells are given, Figs. 5-15 and Figs. 16-20 respectively, Figs. 6-20 (not shown). Block diagrams of four possible computers are given, Figs. 25 and 28 to 30 (not shown), which work by counting clock pulses and pulses of frequency fa and fg for time intervals controlled by various logic circuits. A circuit is described, Fig. 22 (not shown) for adding a D.C. component to the current in coil 187 in dependence on the temperature sensed by a thermistor 301, Fig. 11, this being said to provide some compensation for temperature variations. The gravitometer may be used in a mass flowmeter, Fig. 1 (not shown), or its output displayed in decimal form or on a row of indicator lamps. The gravitometer may be used in controlling blending of natural gas.
Patent GB-944361-A (GB)
Title: Improvements in or relating to controlling apparatus and controlling members therefor
IPC: H01H43/24
Filed: 1959-12-23
Abstract: 944,361. Programme control systems. C.MOLLER. Dec. 23,1959, No. 43753/59. Drawings to Specification. Heading G3N. Programme control apparatus comprising means for effecting relative movement between a programme control member and at least two sensing members, the programme control member having programme information recorded in at least two tracks and the sensing members being arranged to sense the control tracks for providing control impulses to control the operating members a selected device being associated with one of the sensing members for selecting an operating member and an actuating device associated with another sensing member for actuating the selected operating member. The programme control member may be a slotted card, a magnetic or recorded tape and the sensing members may be spring loaded fingers or suitable pick-ups. The arrangement is such that a selected operation is completed before a further operation is selected or alternatively a number of operations may be omitted whilst a previously selected operation is in progress. The programme control member may have two tracks associated with the selector device to control a large number of operations.
Patent GB-1142053-A (GB)
Title: Vaporization process
Inventor: DOWD EDWARD JOSEPH
IPC: C10G35/00
Filed: 1966-10-03
Abstract: 1,142,053. Vaporizing hydrocarbons. ESSO RESEARCH & ENG. CO. 3 Oct., 1966, No. 44069/66. Heading C5E. A process for vaporizing hydrocarbon feedstocks (e.g. gasoline, kerosene or a gas oil) in a furnace zone without concurrent formation of coke deposits within the furnace comprises vaporizing at least a portion of feedstock, passing the partially vaporized stream into a vessel where liquid and vapour separate, continuing until equilibrium is reached between liquid and vapour in said vessel, and then continuously recycling the liquid back to the feed stream, so that liquid is always present in the furnace zone. At equilibrium the vapour removed from the separation vessel has substantially the same composition as the feedstock.
Patent GB-1078296-A (GB)
Title: Improvements in or relating to return speech paging systems
IPC: H04B5/04
Filed: 1964-10-29
Abstract: 1,078,296. Radio and inductive signalling. MODERN TELEPHONES (GT. BRITAIN) Ltd. and L. H. WALSH. Oct. 29, 1965 [Oct. 29, 1964], No. 44214/64. Headings H4L and H4U. [Also in Division G4] In a local communications system signals from a central station comprising a microphone 11 and an amplifier 12 are transmitted inductively or by radio to portable stations 14 having low power radio transmitters 16, which may operate on 161 Mc/s., for return signals. Alternatively, the central station may employ an ultrasonic transmitter. A plurality of fixed receiving aerials 20 is provided, each of which is associated with an R.F. amplifier 21, from which signals at the transmitter 16 frequency are fed back to the central station over a line or lines 22. Each R.F. amplifier 21 may contain a squelch circuit, when a common line 22 may be used, or the squelch circuits may be located at the central station and a separate line 22 be provided for each R.F. amplifier 21.
Patent GB-1206446-A (GB)
Title: Apparatus for and method of altering an electro static charge on a surface of an insulating material
Inventor: GIBBONS CARL B
IPC: G03G15/02
Filed: 1967-09-29
Abstract: 1,206,446. Electrostatic charging apparatus. EASTMAN KODAK CO. Sept.29, 1967 [Oct. 3, 1966], No. 44442/67. Heading G2H. [Also in Division H1] A corona charging apparatus for altering, removing or neutralizing electrostatic charge on the surface of an insulating material comprises an earthed backing electrode 90 Fig. 1, a control screen 93, a plurality of corona electrodes 92 between the electrode 90 and screen, and a shield 94 for shielding a web 95 of light sensitive material from the corona electrodes 94. In another embodiment, a web 99, Fig. 2, having positive and negative charges on each surface thereof is fed between corona devices 100, 101, 102 and 103. Each device 100, 101, 102 and 103 has respectively backing electrodes 104, 105, 106, 107 control screens 112, 113, 114, 115, corona wires 108, 109, 110 and 111 and light shields 116, 117, 118 and 119. The corona wires may be connected to -15kv and +15kv supplies as shown, while the control screens are earthed. In another embodiment Fig. 4 (not shown), the light shield comprises flat plates (130-133) of insulating material, the plates 130-132 having differently biased conductor strips (138-140). Alternatively, the shield may be of L shaped members (150) Fig. 6 (not shown).
Patent GB-1145846-A (GB)
Title: Improvements in or relating to the cooling of liquefied gases
Inventor: WEBSTER THOMAS JOHN
IPC: F25J1/02
Filed: 1965-10-20
Abstract: 1,145,846. Storing liquefied gases. BRITISH OXYGEN CO. Ltd. 17 Oct., 1966 [20 Oct., 1965], No. 44467/65. Heading F4P. The temperature of a stored liquefied gas, e.g. argon, is lowered by passage through a heat exchange coil 3 of a refrigerant, e.g. liquid nitrogen, having a lower boiling point than that of the stored. gas. The supply of refrigerant is adjusted so as to partly solidify the stored gas and to reduce the gas pressure in the container to at or just above ambient atmospheric pressure. Stored liquid krypton and xenon is cooled with liquid nitrogen or oxygen and liquid helium is cooled with liquid hydrogen.
Patent GB-1202406-A (GB)
Title: Mineral mining machines
Inventor: BATES JOHN JOSEPH
IPC: E21C27/34
Filed: 1967-09-29
Abstract: 1,202,406. Rope railways. COAL INDUSTRIES (PATENTS) Ltd. 27 Sept., 1968 [29 Sept., 1967], No. 44508/67. Heading B7L. [Also in Divisions E1 and F2] A mining machine comprises a drive sprocket 8 and two guide sprockets 10, 12 for engaging a stationary haulage chain 2, and gears 14 ... 20 rotatably interconnecting the sprockets 10, 12. The gears 14 and 20 are connected to the respective sprockets 10, 12 by shear pins. Guide members may be provided to guide the chain on to and off the sprockets 8, 10, 12. In a second embodiment, Figs. 2 and 3 (not shown), limited relative rotation of the sprockets 10, 12 is provided by a device which comprises a circular plate secured to the sprocket 10 and rotatably carrying a gear similar to and replacing the gear 14, the plate and the gear being interconnected by tension springs so as to have limited relative rotation, a stop being provided to prevent spring damage.
Patent GB-984197-A (GB)
Title: Feeding devices for use with sewing machines
Inventor: CROSS GEOFFREY
IPC: D05B23/00
Filed: 1962-11-26
Abstract: 984,197. Sewing machines. WOLSEY Ltd. Oct. 23, 1963 [Nov. 26,1962 No.44557/62. Heading D1G. Sewing apparatus comprises a support rotatable about a vertical axis adjacent a sewing machine, a plurality of equi-angularly spaced work holders carried by the support at radially equal distances from said axis, a clamp associated with each holder, means for holding said clamps adjacent said holders, and means for rotating the support, whereby articles held between the clamps and holders are presented in turn to the sewing, machine. A support 4, rotatable about a vertical axis on a column 3, carries radial arms 5 each of which ends in a holder 6 for the foot end of a circularly knitted stocking. A hinged clamp 7, associated with each holder, is spring-biased upwardly against a fixed stop 7a. Stockings loaded on the holders are carried by rotation of the support to the needle 2 of a sewing machine 1, the clamp being lowered or approaching the latter by co-operation with a fixed cam member 20, and being permitted to rise for releasing the sewn stockings. A pair of work guide plates 21 is provided in advance of the needle. The thread chain is drawn by a suction nozzle 23 into engagement with a heated element 22, the severed thread being conveyed via nozzle 23 to a receptacle 24. For rotating the support, a lever 10 is oscillated by an eccentric on the sewing machine, and is connected by an adjustable link 12 to the driving member 14 of a one way clutch 15, the latter being coupled to the support 4 by shafts 16,18 and gearing 17,19. The peripheral speed of the holders is adjusted to be equal to the feed rate of the sewing machine. The clamps may, alternatively, be held in the lowered position either by suction applied thereto, or by electromagnetic action.
Patent GB-1367786-A (GB)
Title: Ice cream freezer
IPC: A23G9/16
Filed: 1971-09-24
Abstract: 1367786 Ice cream dispensers ESKAMAID CORP 24 Sept 1971 44599/71 Heading F4H A dispensing ice cream freezer comprises a double-walled cylinder, a refrigerant being pumped through the annular space 20, a helical beater 28 rotatably mounted in the cylinder, a flexible scraper blade 88, and supports 90 mounted on the beater 28 to support the blade in such a fashion as to ensure contact of the blade with all parts of the cylinder surface as the blade rotates therearound. The scraper blade 88 is constructed of a hardened stainless steel material of nominal thickness between 0À010 and 0À030 inch. The blade is reversibly mounted in the brackets 90. A dispensing piston 126 is mounted within a cylindrical extension 122.
Patent GB-992103-A (GB)
Title: Improvements relating to fabric cutting or trimming apparatus
IPC: D06H7/06
Filed: 1963-11-12
Abstract: 992, 103. Removing selvedge. G. MOHRING. Nov. 12, 1963 [May 30, 1963], No. 44702/63. Heading D1S. Apparatus for cutting off the selvedges of fabric web B coming from tenter chains or a conveyer comprises a circular cutter 2 and a counter wheel 3 having a groove 4 which the cutter engages, the counter wheel 3 being mounted so that it projects above the plane k of the tenter chains or conveyer and co-operates with a brush wheel 5. The cutter wheel 2 together with its driving motor 1 is mounted on an arm 16 pivoted at 7 so as to be vertically movable. The counter wheel 3 which may have short pins on its periphery is rotatably mounted on a shaft 8 which is carried by a threaded shaft in a bracket 9 so as to be vertically adjustable by rotation of a hand wheel 10; the counter wheel 3 may be driven by an electric motor via a slip coupling so that the take up tension on the web may be regulated. The cutter and counter wheel are provided with guards 17, 22 respectively. The brush wheel 5 is rotatably mounted on an arm 13 pivotally mounted at 14, the upward movement of the brush being limited by a stop 15 adjustably mounted on the arm 16. A suction device is provided to remove the cut-away selvedge. Known sensing and control means are provided to move the cutter and counter wheel transversely of the web to regulate its final width.
Patent GB-979851-A (GB)
Title: Compensation for errors of a guide in a machine tool or measuring instrument
IPC: F16C29/00
Filed: 1961-12-14
Abstract: 979,851. Machine tool details. J. HEIDENHAIN, [trading as WENCZLER & HEIDENHAIN]. Dec. 14, 1961 [Dec. 14, 1960], No. 44892/61. Heading B3B. [Also in Division G1] The errors in the guide 2 of a machine tool or measuring machine are compensated for by interposing between the slide 1 and the guide 2 a supporting member 4 whose position depends on a further surface, e.g. of a compensating guide 3. The slide 1 contacts the member 4 at a fulcrum point A. The displacement of point A due to an irregularity in the guide is compensated by the guide 3 which produces an opposite displacement. If point A is midway between guides 2, 3, the surfaces of guides 2, 3 may be the surfaces of separation of a single block. In an alternative embodiment, Fig. 2, the guide 3 moves a lever 7 and hence an eccentric 8. A hydrostatic embodiment, Fig. 3, has a piston 10 moved into and out of a cylinder communicating with a cylinder 9 having a diaphragm 9 connected to a feeler 9<SP>2</SP> engaging the surface of guide 2<SP>2</SP>. In another embodiment, Fig. 13, the supporting member 344 is screw-threaded and is rotated, to alter the length of it within the slide 312 and thus compensate for errors in the guide, by a lever 346 engaging a cam 347 which is turned as slide 312 moves along guide 318. A guide having an adjustable surface 452 for use in the embodiments of Figs. 1-3 is shown in Fig. 14.