baber/WOPTO huggingface dataset:
Patent GB-886717-A (GB)
Title: Improvements relating to the separation from streams of vapour of liquid particles entrained therein
IPC: B01D45/08
Filed: 1957-04-01
Abstract: 886,717. Separating liquid particles from vapours. APEX CONSTRUCTION Ltd., and PECK, W. C. March 31, 1958 [April 1, 1957], No. 10613/57 Class 123(3) A device for separating liquid particles from a vapour stream flowing through a pipe 10 consists of a plurality of uniformly corrugated plates 11 arranged one above the other and in contact to fill a length of the pipe, the crests of the corrugations being disposed lengthwise of the pipe to provide a large number of longtitudinal passages 12 of small cross section. The vapour flows through the passages with a turbulent or eddying motion and liquid particles are deposited on the plates.
Patent GB-765575-A (GB)
Title: Electro-magnetic switches
IPC: H01H50/54
Filed: 1954-04-10
Abstract: 765,575. Electromagnetic switches HOLLANDER, J. M. June 13, 1955 [April 10, 1954], No. 10628/54. Addition to 731,931. Class 38(5) Insulating plates 12 and pairs of insulating cheeks 15 are held together sandwichfashion by a pair of bolts 19 passing through holes 18, recesses 16 in the cheeks interlocking with bosses 13 on the plates. A bolt 30 passing through a hole 28 in the cheeks secures a fixed contact plate 32 in a cheek groove 29, the pairs of contacts 32 between each pair of plates 12 being bridged by a moving contact 56. The contacts 56 are spring-mounted in openings 54 in insulating blocks 40 clamped together by a bolt 41 passing through holes 43, the blocks being interlocked by recesses 46 and projections 47. The blocks also have an opening 48 leading to the hole 43, and the openings of two of the blocks receive the end 50 of a member 51 connected to the plunger of the operating solenoid (not shown), the bolt 41 passing through apertures 53 in the member 50.
Patent GB-493861-A (GB)
Title: Improvements in or relating to electrical circuit arrangements for electron multipliers
IPC: H01J43/30
Filed: 1937-04-15
Abstract: 493,861. Electron multipliers and circuits therefor. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BANKS, G. B. April 15, 1937, No. 10775. [Classes 39 (i) and 40 (v)] In an electron multiplier with secondaryemitter electrodes at successively increasing potentials derived from a potentiometer, at least that portion of the potentiometer between the penultimate and final secondary-emitter electrodes S4, S5 and preferably the whole of the potentiometer is formed by devices such as gas-discharge tubes DT1 ... DT6 which give a constant voltage drop independent of current. As shown, the discharge tubes are connected in series with a ballast resistance R1 and the output electrode O is connected through a resistance R2 to the junction of the last discharge tube and the ballast resistance. The discharge tubes may comprise nested electrodes E1, E2, Fig. 3, in a glass envelope, or a mainly metal envelope E2V, Fig. 4, constituting one of the electrodes and containing the other. For low operating voltages, tubes of which the cathode is of a metal with a low value of work function or tubes into which such a metal has been admitted during manufacture should be used. The current through each discharge tube should lie between 0À5 and 5 milliamperes per sq. cm. of cathode. Reference has been directed by the Comptroller to Specification 478,153.
Patent GB-307980-A (GB)
Title: An improved appliance for expelling the contents of collapsable tubes or containers
IPC: B65D35/28
Filed: 1928-02-21
Abstract: 307,980. Vignale, O. R. Feb. 21, 1928. Tubes or containers, collapsable.-A device for expelling the contents of collapsable tubes or containers comprises a box-shaped receptacle having a base and two vertical sides A, Fig. I, which diminish in height towards one, end. Within the receptacle are two pressure-plates H, Fig. II, connected together by a hinge R, and to the base by a hinge Y. The receptacle is covered by a top-plate, through which passes the screwed bush of a thumb-wheel C, the edges of which project through slots in the side-plates. The wheel engages a screwed rod D, hinged to one of the pressure-plates H, which can be depressed, so as to collapse the tube E, by rotation cf the wheel. The other pressure-plate is pressed upon by a spring X. The thumb-wheel and screw may be replaced by a lever.
Patent GB-885321-A (GB)
Title: Improvements in or relating to electron discharge devices such as are suitable for generating television picture signals
Inventor: LUBSZYNSKI HANS GERHARD
IPC: H01J31/26
Filed: 1957-04-03
Abstract: 885,321. Cathode-ray tubes. ELECTRIC & MUSICAL INDUSTRIES Ltd. March 27, 1958 [April 3, 1957], No. 10833/57. Class 39(1) In an electron discharge device of the kind comprising a photo-emissive cathode 3 on to which an optical image can be projected and a target 6 on to which photo-electrons from the cathode can be projected so as to charge it negatively, the other side of the target being photo-emissive so that it can be scanned by a light beam to restore the elements of the target to an equilibrium potential, a continuous lighttransparent electrode 16 is disposed facing the photo-emissive side of the target so that the light scanning beam must pass there through to reach the target. This electrode is either capable of reflecting electrons released during scanning into an electron multiplier 17 provided in the device or formed as the first multiplying electrode of the multiplier. As shown, the electrode 16 may be disposed obliquely to the axis of the device and may comprise a sheet of glass having a thin transparent conducting - coating of Nesa which may be coated with a thin layer of magnesium oxide if it is desired to render the electrode secondary-emissive. Suitable potentials for the various electrodes of the device are given. Preferably the target is made substantially opaque to light as described and claimed in Specification 885,310.
Patent GB-950381-A (GB)
Title: A low-voltage power circuit-breaker
IPC: H01H3/26
Filed: 1962-03-21
Abstract: 950,381. Automatic circuit-breakers. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. March 21, 1962 [March 29, 1961], No. 10858/62. Drawings to Specification. Heading H2B]. A power circuit-breaker is provided with a closing mechanism having a coupling member accessible from the outside of the circuitbreaker for the reception of the output shaft of a drive unit including an electric motor and reduction gearing. The drive unit may be of the type used for electric tools such as screwdrivers and may be used to charge the closing spring of the circuit-breaker.
Patent GB-1099446-A (GB)
Title: Acid active stable amylase
Inventor: SAWADA JIRO
IPC: F16L59/08
Filed: 1966-03-14
Abstract: An acid-active and stable amylase has (a) amylolytic, dextrinogenic and saccharifying activities in a broad pH range from 2.5 to 6.0, said activities being superior to those of amylases from Aspergillus niger, Aspergillus aureus, Aspergillus oryzae and Paecilomyces varioti in the acidic pH range from 2.5 to 3.5, the optimum pH ranging from 4.0 to 4.5; (b) stability of dextrinogenic and saccharifying powers within a pH range of from 3.5 to 9.0; (c) 70,000 to 200,000 unit/g. in dextrinogenic power and 110,000 to 220,000 unit/g. in saccharifying power in the acidic pH range from 4.0 to 4.5, and (d) heat stability at 50 DEG  C. and effective amylolytic, dextrinogenic and saccharifying activity at 40 DEG  C. at pH ranging from 4.0 to 4.5. Such an enzyme may be made by aerobic cultivation of a strain of Paecilomyces subglobosum, especially ATCC 16492 or 16493.
Patent GB-907601-A (GB)
Title: Improvements relating to washing machines and methods of operating the same
IPC: D06F35/00
Filed: 1961-03-27
Abstract: 907,601. Washing-machines. MASCHINENFABRIK P. PFENNINGSBERG G.m.b.H. March 27, 1961 [Jan. 25, 1961], No. 11128/61. Class 138 (2). In an automatic washing-machine having an intermittently rotating washing drum, water is supplied periodically when the washing drum is rotating, during wetting and rinsing stages, and when the washing drum is stationary, during the washing stage. In the example shown, during a wetting stage t 1  (Fig. 1), water is admitted through a water inlet 38 for periods of about 12 seconds whilst the drum 33 rotates about a horizontal axis, the admission of water being discontinued for periods of about 3 seconds by closure of a valve 35 whilst the drum 33 is stationary; during alternate 12-second periods the drum rotates in the reverse direction. Throughout the first part t 2 <SP>1</SP> of a washing stage t 2  the valve 35 is opened and closed for 3-second and 12-second periods, respectively, the drum 33 being rotated only whilst the valve is closed, its direction of rotation being reversed during alternate 12-second periods; the sequence may be interrupted for one or more periods t 5 . Polluted liquid is discharged via a restricted overflow 42, the liquid level rising to a position 43 where any surplus liquid may be discharged through a larger overflow 44. During the second part t 2 11 of the washing stage the valve 35 remains closed. A similar sequence is then carried out during a rinsing stage t 3  to that during the wetting stage t 1 , this being followed by a spin-drying stage t 4  during which liquid is removed by a pump 40<SP>1</SP>; stages t 3  and t 4  may be repeated. An electrical circuit for the control of the valve 35 (Fig. 3) includes switches 52, 55, 58, 63 and a coil 50 for actuating the valve, the switches being operated by cams 51, 56, 59, 62 coupled to a programme regulator (not shown). Cam 51 rotates synchronously with a set of reversing contacts for a motor (not shown) driving the washing drum. During the wetting stage t 1  and the rinsing stage t 3  the switch 55 is closed and the switch 58 is opened whilst switch 52 makes with a contact 53 for 12 seconds and then with a contact 54 for 3 seconds. During the part t 2 <SP>1</SP> of the washing stage t 2  the positions of the switches 55, 58 are reversed, the sequence of operations of the switch 52 is unchanged and the switch 63 is used when required to interrupt the action of the valve 35 for periods t 5 . The switch 63 may be controlled by the programme regulator or by a separate adjustable timing device; alternatively the switch 63 may be of the adjustable bi-metallic type.
Patent GB-561393-A (GB)
Title: Improvements in or relating to metal drums and like containers
IPC: B65D6/24
Filed: 1942-08-08
Abstract: 561,393. Sheet metal drums &c. HOWARTH, R. S. Aug. 8, 1942, Nos. 11141 and 17324. [Class 21] A collapsable sheet metal drum, &c. comprises a body 16 formed from a single sheet of metal carrying angle irons 18 detachably connected by bolts 19 with packing 20 interposed between the angle irons and, if desired, between these and the body 16. The edges may be flanged at right angles and these flanges detachably secured together instead of using angle irons. Along the upper and lower edges angle lugs are welded or otherwise secured at intervals and end covers extending over the lugs are secured by bolts. The rims of the body seat in packing-containing grooves in the ends formed by upstanding walls or by pressing in the metal of the covers. Alternatively the covers are dished and the free edges bent to seat over the rims of the body. In another form lugs on one set of angle irons pass through apertures in the other set and are secured by sliding bolts. The meeting edges of sheet 16 may overlap. The covers may also be secured by sliding bolts carried by the cover, a flange on which seats on the rear of the body with packing interposed.
Patent GB-454874-A (GB)
Title: An improved pile fabric and method of and means for manufacturing the same
IPC: D04H11/04
Filed: 1935-04-10
Abstract: 454,874. Pile fabrics. WALKER, W., 7, North Western Terrace, and CURRY, G. H., The Pastures, both in Murton Colliery, Co. Durham. April 10, 1935, No. 11151. [Class 142 (iv)] Strands 42 from a beam or bobbin on a frame 6 carrying a vertically-reciprocated looping device A, pass through tension rollers 44 and a comb 45 between a fixed grid 1 and the device A, which is traversed over the table carrying the grid by rack gearing operated from a shaft 34 rotated by hand or an electric motor and is furnished with fly-wheels. The looped strands are cut whilst on the grid into U- shaped inverted portions. These are afterwards embedded in a rubber carrier sheet &c., which may be reinforced by a backing of woven fabric or of fibres mixed with rubber solution. The device A is vertically reciprocated by a radially-adjustable peg 31 acting on an adjustable slotted tappet 32 on a yoke 22 furnished with bolts supporting a looping blade 9, a loop retainer 10, and a knife 11, which cuts the loops formed by the blade 9 whilst the strands are held by cushioning strips 12A on yielding channelled slotted clamping bars acted on by springs. The blade 9 and a bar 13 furnished at the ends with rollers guided in frame boxes and pressed upwards by springs are fixed to the yoke by the bolts 21, but these engage a slot in the loop retainer 10, which is acted upon by a leaf spring and engages the previously-formed loop whilst the blade 9 is forming a fresh loop. The knife is reciprocated laterally by means described when cutting the loops. A web of backing fabric from a reel 52 passes through a tank 48 containing rubber solution round a driven feeding roller 47 beneath a pressure or vulcanizing roller 54 which may be heated and presses the coated web on to the loop crests, a spring-controlled blade 55 consolidating the fabric produced. A wetting agent from a tank 48 may be sprayed or dribbled on to the cut loops through a pipe 56. The thickness of the coating may be adjusted by a weir 53. The looping and coating assembly may be fixed, and a grid in the form of a cylinder or endless belt be traversed thereunder. Several grids may be used in succession. The pile fabric, which is non-slip, waterproof and non-fraying may be cut to form car and door mats, and rugs, or to form patterned fabrics in a similar manner to the manufacture of linoleum, the different pieces being finally welded together by a second layer of rubber solution. According to an arrangement described in the Provisional Specification, separate vulcanizing and pressure rollers are used.
Patent GB-768614-A (GB)
Title: Improvements in or relating to apparatus for detecting defects in cigarette assemblies
IPC: B65B19/30
Filed: 1955-04-18
Abstract: 768,614. Packaging machines. ARENCO AKTIEBOLAG. April 18, 1955 [May 24, 1954], No. 11157/55. Class 94(1). Means for detecting defects or deficiencies in batches C of cigarettes which are fed into a packaging machine in metal pockets 13 of a conveyer, comprises a series of pins 1, one for each cigarette, which are made of insulating material and are slidable in bores 9 in a casing 2, also made of insulating material, which is reciprocated towards and away from each batch by a crank 7 and connecting rod 6. Each pin is embraced by a tapered metallic spring 3 having its larger end engaging a metal plate 5 and its smaller end formed with a flange 4 normally engaging a metal plate 19 connected to a contact 14 on the casing 2. The plate 5 is connected in circuit with a source of electric current 17, a warming light 18 and a contact 15 on a metal rail 16 engaging the pockets 13. As the casing 2 moves towards a correct batch of cigarettes, the pins engage the ends of the cigarettes and are moved rearwardly to disengage the flanges 4 from the plate 19, so that the circuit remains open when the contacts 14 and 15 engage one another, but if a cigarette is missing or soft, the associated pin is not displaced and the circuit is closed to light the lamp. The springs may engage the tapered ends of the pins or be screwed on to threaded portions thereof. The lamp may be replaced by a bell or a control device operating an ejector for defective packages. The arrangement shown may be modified so that the circuit is normally closed and is opened if a pin is not displaced.
Patent GB-489583-A (GB)
Title: Improvements in riveting presses and the like
IPC: B21J15/22
Filed: 1937-04-20
Abstract: 489,583. Kydraulic presses. FORICHON, G. S. April 20, 1937, No. 11240. Convention date, April 21, 1936. [Class 69 (ii)] [Also in Group XXII] In a riveting or like press wherein the riveting- tool is moved by a liquid column of constant volume acted on in succession by a low power approach piston and a high power working piston, the latter is combined with amplifying means which transmits to the tool two successive and increasing forces. The riveting-tool 3 slides within a cylinder 8 which communicates with the chambers 17<1>, 17<2> and forms with them the chamber for a constant volume of liquid through which pressure is applied to the tool by plungers acting thereon. The approach movement of the tool is produced by a piston 5 actuated by compressed air, the transmission liquid flowing from chamber 17<1> into chamber 32 through a valve aperture 25, into the chamber 17<2> through an orifice 33 and so into the chamber 8. The valve 26, closing aperture 25, is initially held open by a piston 30 which is raised when the pressure increases and allows the valve to close when pressures on both sides of the aperture 25 are stabilized. Compressed air is then supplied to the rear of the working piston 6<1> which slides within the hollow piston 5. The first stage of the working stroke is effected by the head 6<2> of the piston sliding in fluid-tight engagement within a cylinder 20, the space 172 being fed with liquid from chamber 17<1> through the valve 25 which is held open by the reduced pressure in chambers 32, 17<2>. The head 6<2> then moves free of the cylinder 20, the valve 26 closes, and the remainder of the stroke is effected under increased pressure by displacement of liquid by the shank 63 of smaller diameter. In a modification, the head 6<2>, Fig. 8, is joined to the shank 6<3> by a part 6<4> of still smaller diameter. The approach stroke is effected by the piston 5 delivering fluid through the ports 34, 33 to the cylinder 8. During the first movement of the piston 6, the space behind the head 6<2> is in engagement with the chamber 17<1> due to the part 64 of reduced diameter, but the shank 6<3> enters into fluid-tight engagement with a joint 21 at the point when the head 6<2> leaves the cylinder 20, and the operation is continued under increased pressure by displacement of the fluid by the shank 6<3>. In a further modification, fluid is initially delivered by a byepass 47 to both sides of the piston 10, Fig. 13, of the ram 3 which thus acts differentially. When the head 6<2> passes a chamber 17<3>, fluid is delivered to the rear face only of the piston, the working stroke is continued under increased pressure. Specification 437,913 is referred to.
Patent GB-1260954-A (GB)
Title: Improvements in and relating to horizontally conveying large surface loads
IPC: B65G17/24
Filed: 1969-03-03
Abstract: 1,260,954. Endless conveyers. WENZLAFF G.m.b.H., H. WENZLAFF, and H. WENZLAFF, [trading as WENZLAFF G.m.b.H. & CO. K.G.]. 3 March, 1969 [11 Jan., 1969], No. 11255/69. Heading B8A. A plurality of endless conveyers arranged in series and in parallel to support a load 25 each comprises an endless link chain 12, 13 and a plurality of pairs of rollers 11 disposed one on either side of the chain on spaced pivot pins 15 to support the load and bear against a guide and support surface. The surface comprises a plate 10 with upstanding rails 23 to engage the inner flange of the rollers, a H or channel section beam 7 mounted below the plate 10 with its limbs 9 substantially co-planar with the rollers 11, and channel section uprights mounting the beam 7 over the return run. The rollers 11 on the return run are supported by angle irons 5 and an end sprocket (19), Fig. 1 (not shown), is movable by a bolt (22) to adjust the tension in the conveyer.
Patent GB-1140573-A (GB)
Title: Improvements in or relating to servo-assisted hydraulic brake system
Inventor: HALES ERIC CHARLES
IPC: B60T11/32
Filed: 1966-03-15
Abstract: 1,140,573. Fluid-pressure brakes. GIRLING Ltd. 2 March, 1967 [15 March, 1966], No. 11310/66. Heading F2F. In an hydraulic braking system for a road vehicle employing a tandem master cylinder 1, one outlet from which feeds the front wheel brakes via an auxiliary cylinder 3 equipped with a booster 4, through lines C, D, F, while the other outlet feeds the rear wheel brakes through a separate brake circuit, the same booster 4 employed for the front wheel brake circuit is used to boost the rear wheel brake pressure by inserting a device 6 in the lines A, B to the rear wheel brakes and coupling it to the line F leading to the front wheel brakes, the device 6 consisting of a cylinder body 7 containing a piston 16 which, when subjected to front wheel brake pressure at inlet 9 overcomes a spring 17 and moves a valve member 13 to close a passage between inlet 8 (from line A) to outlet 12 (to line B), after which front wheel brake pressure is transmitted via the piston 16 to the rear wheel brakes.
Patent GB-662983-A (GB)
Title: A device for dividing a stream of fluid into two or more portions in a variable ratio
IPC: F16K11/085
Filed: 1949-04-29
Abstract: <PICT:0662983/III/1> In a still, the stream of condensate is divided by a valve comprising two relatively rotatable sleeves 16, 19 each of which has two ports 18 and 20, 21, and the ports in the sleeves co-operate in pairs so that, as the effective area of one pair increases, the other decreases; and the inlet pipe 12 for condensate leads to the interior of the inner sleeve whilst the outlet pipes communicate with the ports in the outer sleeve and lead, respectively, back into the still and to a product receiver. Several such dividers may be combined in series.  The valve is housed in a closed vessel 10 containing a tray 15 communicating with pipe 13 so that outlet fluid from ports 21, 18 discharges into the tray and flows away through pipe 13 to the receiver.  The fluid discharging through the other ports flows into the bottom of vessel 10 and is led away through the other outlet pipe (not shown) back into the still. An inspection window and heating or cooling pipes 32 are provided in the vessel 10, and a further pipe opens into the vessel above the valve to allow the dividing operation to be carried out at a super or sub-normal atmospheric pressure.  The inner sleeve is rotated by means of a handle 25 carrying a pointer 26 running over a scale to show the ratio into which the stream is being divided.  Set screws (not shown) engage a groove 29 in the inner sleeve and prevent the latter from rising.
Patent GB-114926-A (GB)
IPC: F04D17/16
Abstract: 114,926. Varley, G. P., and Smith, P. May 21, 1917. Casings; materials used in construction.-The impeller disk E is concave, and carries blades E<1> projecting from its concave face towards the inlet aperture, the blades forming a central space into which a sleeve J enters. The end of the sleeve J lies in close contiguity to the inner edges of the vanes, and is slightly tapered. The casing A, the sleeve J, and the impeller E with the blades E' are cast from acid-resisting alloy. The impeller is held on the shaft by a screwed cap I of acidresisting alloy, which also serves to protect the end of the shaft. The shaft is preferably journaled in bearings outside the casing, but the bearing may be carried on the casing.
Patent GB-399118-A (GB)
Title: Improvements in drop leaf tables
IPC: A47B1/04
Filed: 1933-04-20
Abstract: 399,118. Tables. HOWE, H., 1, Park Avenue, New York, U.S.A. April 20, 1933, No. 11512. [Class 52 (iii).] A pedestal table has hinged leaves simultaneously extended by gearing. The Figure shows the underside of a table comprising a pedestal 1 supporting a square top 6 and four leaves 20 on hinges 19. On the underside is a spring catch 14 which engages with one of two notches 10, 11 in a flange 3 which together with the pedestal 1 may be rotated relatively to the top 6, causing the arms 21 to move, inward or outward, the links 23 and the leaves 20, to which the links are connected by hinges 22. In a modification the top 6 is connected rigidly to the pedestal 1 ; the flange 3 is on a sleeve rotatable on the pedestal.