baber/WOPTO huggingface dataset:
Patent GB-486662-A (GB)
Title: Improvements in or relating to processes and centrifugal apparatus for treating organic materials
IPC: C11B1/16
Filed: 1936-12-08
Abstract: <PICT:0486662/III/1> <PICT:0486662/III/2> A process for extracting fats from meats, bones, slaughter house offal, fish, seeds, and similar materials, consists in heating the material in a closed steam-jacketed receptacle, and simultaneously subjecting it to steam pressure and centrifugal action.  A centrifugal machine suitable for carrying out the process consists of a chamber 11 of which the bottom 12 and sides 13 are steam - jacketed.  The material to be treated is placed in a basket 24 fixed to the hollow shaft 14 which rotates in bearings 16, 17 in a pedestal 18 fixed in the centre of the chamber. The shaft 14 and basket 24 are rotated by the turbine blades 26 carried by the rotor 20 below the basket.  The steam for operating the rotor is supplied by nozzles 28 from a supply pipe 29 controlled by a valve 30.  The top of the receptacle 11 is closed by a bolted-down double walled lid 32 with ports 33 communicating with the side jacket of the wall 13.  A non-return valve 34, shown open in Fig. 1, is provided in the cover 32 to permit exhaust steam from the turbine to pass from the chamber 11 to the core and side jacket when the pressure exceeds a predetermined limit.  The shaft 14 drives a governer 26 and speed indicator 37 by spiral gears 38, 39.  A foot operated brake 52 may be provided for bringing the turbine to rest. Lid lifting means.  The cover 32 is lifted by allowing steam to enter the cylinder 54 via the pipe 56, to lift the piston 58 which carries arms 60 supporting the lid.  The lid can then be swung.  Lubrication. Oil is supplied to the bearing 16, 17 by pipes 62, 64 and oil pump and tank 63.  Steam supply.  The jacketed bottom 12 of the chamber 11 has two outlets 66, 67, the outlet 66 leading to a tank 70 for collecting the fat and the outlet 67 connected by a pipe 72 to the inlet side p  74 of the pump having an outlet 48.  The chamber 11 and jacket may be connected to the atmosphere or subjected to sub-atmospheric pressure by the vacuum pump 86.  Steam can be supplied directly to the chamber 11 through the pipe 14, whence it passes through ports 23 through the materials being treated, or it can be supplied to the jacket by way of a valve controlled pipe 98. After the material has been steam treated for some time, the steam supply may be shut off and the pressure maintained by steam evaporating from the material.  Surplus steam may be allowed to escape to the atmosphere by way of valves 78, 81, 83 or by way of the vacuum pump 86.
Patent GB-1274855-A (GB)
Title: The welding of thermoplastics materials
Inventor: FENTON SYDNEY DESMOND
IPC: B29C65/00
Filed: 1968-07-15
Abstract: 1,274,855. Seaming non-metallic sheet material; laminates. STOREY BROS. & CO. Ltd. 27 June, 1969 [15 July, 1968], No. 33719/68. Headings B5K and B5N. Two pieces 10, 16 of thermoplastics material are welded together along one or more weld lines with a separate layer of fabric 30 sandwiched between the two pieces, the fabric 30 being such that its continuity is maintained in the welded region, i.e. it is not destroyed by the welding step.  In the embodiment described, the piece 10 is a sheet of plasticized polyvinyl chloride which is first vacuum formed or otherwise shaped and has been prepared by casting a non-foamed skin coat 12 on to a foamed layer 14. The piece 16 is a polyvinyl chloride foam pad having a backing fabric 18. The fabric 30 is an open-weave cotton fabric and may have a slight rayon content. Spaced parallel welds 32 are formed by radio frequency heating with flutings 22 therebetween. The invention is applicable to the manufacture of car seat covers.
Patent GB-1056497-A (GB)
Title: Improvements in and relating to sheet handling machinery
Inventor: BATTERSBY JAMES ECKERSLEY
IPC: B65H29/24
Filed: 1963-08-27
Abstract: 1,056,497. Delivering sheets. MASSON SCOTT & CO. Ltd. July 24, 1964 [Aug. 27, 1963], No. 33839/63. Heading B6H. Apparatus for cutting and delivering sheet material comprises a rotary cutter 1 having a transverse fly knife blade 3, Fig. 1, co-operating with a dead blade 4 to cut into sheets a web of paper or board 5 and a fast tape conveyer 7, receiving said sheet which is driven at a faster speed than the cutter 1, the tapes of the conveyer passing over a vacuum box 13, for applying a vacuum to the sheets to hold them down on the conveyer tapes so as to prevent the trailing edges of the sheets being lifted by the knife 3 and displaced against a head roller 9 of a co-operating endless tape conveyer 8, as shown at 12. In operation the cut sheets flow down a leading board 6, which may be provided with a vacuum chamber 35 communicating through one or more apertures (not shown) with the surface of the board and, on to the endless tape conveyer 7, whose tapes 17, Fig. 2, have a plurality of perforations 18 aligned with apertures 19. Alternatively, the tapes could be of an open weave and perforations dispensed with. Also the apertures 19 could be replaced by arcuate slots 22 (Fig. 3, not shown). The fast conveyer 7 co-operating with the conveyer 8 advances the sheets to a slow tape conveyer 23 for delivering of overlapped sheets, the overlapping being assisted by an assembly comprising a corrugating roller 26, a corrugating plate 27, a co-operating " bobbin " roller 20 and fast running control tapes 24. To ensure large enough gaps between sheets for efficient overlapping an accelerating assembly 25 comprising an accelerating roller 28, driven at 15% above the speed of the fast conveyer 7, is provided before the corrugating roller 26. Above the roller 28 is a plurality of individual nip rollers 29 carried on swing arms 30 supported by a cross-shaft 31. Thus when the leading edge of a sheet reaches the roller 28 it is nipped between it and rollers 29, which may be felt or rubber covered and drawn forward away from the succeeding sheet to increase the gap between them. The accelerated sheet then enters the overlapping assembly. In another embodiment (Fig. 4, not shown) of the accelerating assembly the accelerating roller 28 is replaced by a short endless tape conveyer 33 passing round the bobbin roller 20 and a roller 34. In a further embodiment (Fig. 5, not shown) the fast conveyer 7 is shortened and passes only over a shortened vacuum box 13. However, the conveyer 33 is extended to co-operate with the conveyer 8.
Patent GB-187512-A (GB)
Title: Improvements in or relating to cinder sifters
IPC: F24B15/00
Filed: 1921-12-16
Abstract: 187,512. Hollingdrake, Sir H. Dec. 16, 1921. Reciprocating or oscillating sieves.-A cinder sifter consists of a tray 4, the bottom of which is formed in sections of wire gauze, perforated metal, or the like, the central section 5 being connected by the hinged sections 6 - - 9 to the ends of the tray. The sections are reciprocated by a bar 13 connected to the section 5 and a lever 14 pivoted on a bracket 15 attached to the tray. The section 5 is supported in its movements by rods disposed between the sides and ends of the tray. The device is contained in a box 1 and may be adapted for use with an ordinary sanitary dust-bin.
Patent GB-1195573-A (GB)
Title: Treating Magnetic Recording Material
Inventor: STAUDENMAYER WILLIAM JOSEPH
IPC: G11B5/702
Filed: 1967-07-24
Abstract: 1,195,573. Magnetic structures. EASTMAN KODAK CO. 24 July, 1967 [28 July, 1966], No. 33909/67. Heading H1H. The surface of a magnetic recording material comprising a layer of a thermoplastic binder containing magnetic particles on a support is smoothed by heating the material above the softening point of the binder, passing it between the nip of at least one pair of adjustable calendering rollers, then passing it past a thicknesssensing unit, and continuously adjusting the pressure excited by the rollers in response to signals from the sensing unit so that the thickness of the layer is maintained constant. The material may be preheated by electric heaters, and/or hot rollers may be used. The temperature may be above 90‹ C. for a polyvinylbutyral binder, e.g. 110 or 135‹ C. The pressure may be 30 or 90 1b./inch, and may be adjusted by varying the distance between the rollers using an hydraulic piston. Several sets of rollers may be used, each at a different temperature.
Patent GB-1247649-A (GB)
Title: Bearing for interchangeable printing machine cylinders
Inventor: ZUBER GERHARD
IPC: B41F13/20
Filed: 1970-07-14
Abstract: 1,247,649. Printing apparatus. POLYGRAPH LEIPZIG, BETRIEB DRUCKMASCHINENWERK PLAMAG PLAUEN VEB. 14 July, 1970, No. 34124/70. Heading B6C. An interchangeable cylinder such as the intaglio forme cylinder 1 of a printing machine, removed from the machine along slots in the machine frame 2 after release from its bearings, is held at one or either end in the machine by an externally tapered sleeve 4, axially displaceable in an internally tapered bush 6, which is itself mounted in bearings either in the frame 2 or in a separate housing 15. The housing may itself be axially displaceable relative to the frame 2, e.g. for axial adjustment of registration. The bush 6 rotates with the cylinder 1, and may carry a driving gear 13 for the cylinder 1. The sleeve 4 may be moved by a fluid pressure cylinder 10, acting against the resistance of springs 11 and contained within the bush 6.
Patent GB-370499-A (GB)
Title: Improvements in or relating to electrical signalling systems
IPC: H04Q1/38
Filed: 1930-12-01
Abstract: 370,499. Electric signalling systems. ASSOCIATED TELEPHONE & TELEGRAPH CO., 1033, West Van Buren Street, Chicago, U.S.A. Dec. 1, 1930, No. 34148/31. Convention date, Dec. 11, 1929. Divided on 368,369. Drawings to Specification. [Class 40 (i).] Relates to an electric signalling system, more particularly for signalling stock quotations to a plurality of receiving stations, wherein a stock, price and nature of price may be registered as digits in relay registers under the control of keyboards and each digit is transmitted in the form of a fixed number of positive and negative impulses, the strengths of which are varied in accordance with the value of the digit. The system described is identical with that described in Specification 368,369, but the invention resides in the method of transmitting the impulses to the receivers. Each receiver has a pair of thermionic valves connected in parallel directly to the line wire and the impulses are transmitted as potential variations applied to the line wire at the transmitter. The transmitter is provided with an interrupter which is associated successively with the digit registers and is adapted to connect positive and negative batteries alternately in series with a resistance, the potentials across which are applied to the line wire. This resistance is also connected to earth to prevent foreign disturbances affecting the receiver valves. Each battery also has a series resistance which may be shortcircuited by the registers so that according to the register settings strong or weak positive and negative impulses are applied to the line wire. The valves at a receiver are arranged to discriminate between the impulses and to repeat the potential variations on the line as current impulses to operate stock and price registers at the receiver. The anode circuit of one valve includes two relays, one of which responds to both weak and strong positive impulses and the other to strong positive impulses only. The other valve controls a single relay which is normally energized and responds only to strong negative impulses. A plurality of branch lines supplying groups of receivers may be connected to the line wire, each branch line being separated from the main line by a resistance which prevents disablement of the system in the event that an earth fault develops on the associated branch line. Specifications 352,032 and 370,500 also are referred to.
Patent GB-1466756-A (GB)
Title: Benzylamines
IPC: C07C233/00
Filed: 1974-08-02
Abstract: 1466756 Adamantane derivatives LABORATORIOS FERRER SL 2 Aug 1974 34192/74 Heading C2C Novel compounds of Formula I in which Hal is Br or I and R is an adamantyl radical, and acid addition salts thereof, are prepared by reacting a 2-bromomethyl-4,6-dihalo-N,N-diacetylaniline with an N-methyladamantanamine and, if desired, treating the resulting free base with an acid. Pharmaceutical compositions having spasmolytic and antitussive activity, for oral administration, comprise one of the above novel compounds together with a pharmaceutical diluent or carrier.
Patent GB-1503896-A (GB)
Title: Colour television chroma keying signal generator
IPC: H04N9/75
Filed: 1976-08-17
Abstract: 1503896 Chrome keying signal generator PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 17 Aug 1976 [20 Aug 1975] 34210/76 Heading H4F Colour television chroma keying signal generator comprises a matrix circuit M producing luminance signal Y from the foreground camera outputs R, G and B; combination and multiplication circuits 6 and 8 supplied with adjustable voltage α and producing outputs (R-Y)sinα and (B-Y)cosα which are added 10, black level clamped 14 and compared 17 with the black level clamped 15 luminance signal Y multiplied 12 by adjustable voltage input c. The output of comparator 17 is logic 1 (i.e. a chroma keying signal CK is produced) when Thus the chroma keying signal is derived from chromaticity signals (R - Y)/Y and (B - Y)/Y i.e. it is independent of brightness variations. Since at low levels of brightness (low Y) noise could cause a chroma keying signal to be generated by comparator 17, a second comparator 18 is provided which receives and a minimum threshold voltage d. The outputs of comparators 17 and 18 are fed to an AND gate 20 so that a chroma keying signal CK is produced when Instead of using Y any other colour signal combination may be used. Two such arrangements may be used in parallel with different adjustable angles α and #.
Patent GB-632507-A (GB)
Title: Improvements in or relating to fuel-systems for gas-turbine engines
IPC: F02C7/22
Filed: 1946-11-19
Abstract: 632,507. Liquid-fuel burners. CARLISLE, D. R. Nov. 19, 1946, No. 34290. [Class 75(i)] [Also in Group XXVI] In a gas turbine fuel system of the kind in which high pressure air is supplied to the fuel injection devices to effect or'assist atomization of the fuel, pressure sensitive means subjected to both air pressure and fuel pressure is provided to control the pressure of the air supply so as to maintain a pre-determined relationship between the air and fuel pressures at the fuel injectors. Air is delivered from the turbine air compressor 11 through a supply tube 19 containing a booster blower 20, a relief valve 21 and a non-return valve 27, to a plurality of fuel injection nozzles 12 (one of which is shown) of the construction described in Specification 632,506. The valve 21 is formed with a piston head 23 working in a cylinder 24 and is tended to be closed by a spring 25 and by the pressure of fuel applied through a branch 26 of the fuel supply line 15. The fuel pressure acts on both sides of the piston head 23 so that the effective areas of the valve 21 on which the fuel and air pressures act are substantially equal, and the air pressure is maintained above the fuel pressure by a constant amount determined by the load of the spring 25. In an alternative construction the fuel pressure acts only on the upper side of the piston head 23, the lower side being vented to atmosphere, so as to maintain a constant ratio between the air and fuel pressures, the spring loading the valve 21 lightly. The spring may alternatively have a heavy loading, the air pressure being increased accordingly.
Patent GB-891979-A (GB)
Title: Constant gap control for sheet shearing lines
IPC: B23D36/00
Filed: 1960-10-06
Abstract: 891,979. Automatic speed-control systems. BLAW-KNOX CO. Oct. 6, 1960 [Nov. 4, 1959], No. 34291/60. Class 38 (4). [Also in Groups XXII and XXX] The speed of a conveyer 17 in a shearing line having means 12 for delivering strip S to a shear 15, is maintained automatically in excess of that of the delivery means 12 by means which respond to the speed of the delivering means 12 and to the cutting frequency of the shear 15 to maintain the gap G between adjacent severed sheets on the conveyer substantially equal to a predetermined value regardless of changes in the speed of the delivery means 12 and in the cutting frequency of the shear. The strip S from a reel C passes between rolls 10 to the straightener 12, which delivers the strip to the shear 15. A control 36 receives signals from tachometer generators 37-39 driven by rolls 14 engaging the strip, by the shear 15 and conveyer 17 respectively. Drives for the straightener 12 and the shear are by variablespeed motors 25, 27 controlled by regulators 26, 28, that for the conveyer 17 being by a variable-speed motor 30 energized by a variablevoltage generator 50 which may be driven by a constant-speed motor 51. The field 52 of generator 50 is energized by a magnetic amplifier 53 having windings 54-56 connected to tachometer generators 45-47 driven by the straightener 12, shear 15 and the conveyer respectively. The output winding 58 of the amplifier 53 is connected to the field 52 and to an A.C. source and a rectifier 59. Variable resistors or potentiometers 48, 59, 60 are included in the tachometer circuits. Operation.-The potentiometer 48 is adjusted so that no signal is delivered by the generator 46, and the opposing signals from generators 45, 47 are adjusted so that the conveyer 17 is driven at the same speed as the straightener 12 and there is no gap G between the sheets S<SP>1</SP>. A gap is introduced by setting the potentiometer 48, thus increasing the saturation of the core 57 and increasing the output of winding 58 which increases the speed of motor 30. The feedback signal from generator 47 opposes the signals from generators 45, 46 and brings the system to equilibrium when motor 30 has reached the speed giving the desired gap G, which will be maintained regardless of the speed of the straightener 12 and frequency of the shear. In a modification (Fig. 2, not shown), the amplifier is replaced by an Amplidyne &c. which is driven by a constant-speed motor.
Patent GB-1407035-A (GB)
Title: Apparatus for preparing and dispensing mixtures of concrete and fibres
IPC: B28C5/40
Filed: 1972-07-22
Abstract: 1407035 Mixing apparatus CALEDONIAN MINING CO Ltd 13 July 1973 [22 July 1972 26 Sept 1972 29 Sept 1972 5 Dec 1972 (2)] 34391/72 44369/72 45003/72 56151/72 and 56152/72 Heading B1C Mixing apparatus for mixing a plurality of materials e.g. cement and sand comprises screw conveyors 10, 22 for feeding the respective materials from hoppers 2, 4 to a common inlet 14, 16 to a screw mixing conveyor 18, a further hopper 6 for feeding fibrous material from a vibratory conveyor 26 to a second inlet 42 of the mixing conveyor, the hopper 6 having a screen 34 therein the screen or the hopper being vibratable by a reciprocating action to supply a controlled flow of fibrous material to the other materials in the mixing conveyor and which are subsequently discharged from the mixing conveyor at outlet 24. The materials may be mixed dry in which case the materials are passed from outlet 24 to a rotary feed device 54 which transfers the mixed materials to a chamber 62 from which it is blown by air pressure to a nozzle (not shown) where water is added and the mixture is sprayed on to a surface to be concreted. Alternatively, water may be added to the materials in the mixing conveyor and the resultant wet mixture is collected at the discharge outlet 24.
Patent GB-775595-A (GB)
Title: Improvements relating to the making of laminated metal articles
IPC: C23C4/18
Filed: 1954-11-26
Abstract: 775,595. Casting composite articles. HOOVER, Ltd. Nov. 26, 1954 [Dec. 2, 1953], No. 34415/54. Class 83 (1). A method of making a laminated metal article comprises spraying on to the surface of a thin ferrous metal-plate a thin film of corrosionresistant ductile metal, and pressure die-casting on to said film a body of aluminium or aluminium alloy, under such conditions that the bond between the film and the ferrous metalplate is a mechanical bond without alloying. A sole-plate for an " iron," Fig. 1, comprises a diecast aluminium or aluminium-alloy body 1, a heating-element 2 and a stainless steel shell 4, 0.012 inch thick. The shell 4 is formed by, e.g., die-cutting, drawing, or stamping, and the inner surface subjected to a sand or grit-blasting operation using 60-80 mesh grit; degreased and then sprayed to a depth of 0.005-0.008 inch with, e.g., aluminium, aluminium-alloy, molybdenum, copper, copper-alloys and ferrous metals such as stainless steel. The shell is then mounted in a die 18, Fig. 4, being supported by lugs on the shell and pins 21, and the sprayed film heated to approximately 800‹ F. by a gasburner 25. The dies are preferably maintained at a temperature of about 500-600‹ F. The dies 18, 19 are then brought together and aluminium or aluminium-alloy injected into the die-cavity, at a temperature of e.g. 1350‹ F. and a pressure of between 7500-12,000, and preferably 10,000, pounds per square inch. A high injection-plunger speed, e.g. 450 ft. per minute with a 2¢ inch diameter plunger, is also desirable. The dies are opened after 15-20 secs., the casting removed and the sprue and flash removed. Grooves and depressions, and the ironing-surface of the shell 4, are formed by the high casting-pressure forcing the shell over projections in the die 18. The casting-pressure also forces the film into the roughened surface of the shell to form a mechanical bond therewith. When 'the sprayed-metal is molybdenum, the heating with the burner 25 may be dispensed with.
Patent GB-951034-A (GB)
Title: Vehicle door sealing means
Inventor: KRAMER CLARENCE FRANK
IPC: B60J10/08
Filed: 1962-09-10
Abstract: 951,034. Weatherstrips for vehicle doors. FORD MOTOR CO. Sept. 10, 1962, No. 34502/62. Heading E1J. The roof rail 12 and door header 13 of a vehicle are both equipped with moulded or extruded rubber weatherstrips, 32 and 49 respectively, which engage with portions of the door header 13, and the roof rail 12, respectively. Both weatherstrips are retained by return flanges 45, 46 and 31, or by tabs 34. The roof rail weatherstrip 32 has a groove 37 to receive the edge of the roof lining 39, and a flexible lip 36 engaging a drain channel 48 forming part of the door header 13, which header also includes a pile fabric glass run channel 42. The door header 13 is shown as being rolled from a single sheet of metal, although members 41 and 44 could be separate members spot welded together.
Patent GB-930290-A (GB)
Title: Process for dyeing wool at low temperature
IPC: D06P3/16
Filed: 1960-10-07
Abstract: Wool is dyed in an aqueous dye bath at substantially 60 DEG C., the bath containing an acid dyestuff, not more than 4% of the weight of the fibres of a substantially water-insoluble organic solvent and a dispersing agent selected from (nonyl-toluyl-methyl) trimethyl-ammonium chloride, trimethyl-myristyl-ammonium chloride, cetyl-dimethyl-benzyl-ammonium chloride, hexadecyl-trimethyl-ammonium chloride and N-cetyl-benzylamine hydrochloride, in a quantity sufficient to emulsify the solvent. Specified organic solvents are benzyl alcohol, butyl alcohol, amyl alcohol, amyl lactate, benzene, zylene, ethylene trichloride, tetrachlorethane, carbon tetrachloride, carvacrol, geraniol and the substances known under the Registered Trade Marks "Tetralin" and "Decalin".