baber/WOPTO huggingface dataset:
Patent GB-1037965-A (GB)
Title: Polymerization of alkylenimines
Inventor: WILSON BILLY WAYNE
IPC: D21H17/56
Filed: 1964-01-24
Abstract: Flocculating agents comprise polyalkenimines prepared by polymerizing an alkylenimine in aqueous solution in the presence of a polyhaloalkane or polyhaloalkylether (see Division C3).ALSO:Aqueous alkylenimine polymer solutions are prepared by the condensation polymerization of alkylenimines in the presence of a polyhalo initiator characterized in the reaction is effected in an aqueous solution which contains 5 to 75% by weight of the alkyleneimine and 0.002 to 0.02 mole of initiator for each mole of alkylenimine, the initiator being a polyhaloalkane and/or a polyhaloalkyl ether having 2 to 6 chlorine and/or bromine atoms per molecule, each alkane group containing 1 to 4 carbon atoms and each alkyl group containing 1 to 3 carbon atoms.  Specified alkyleneimines are ethylenimine, propylenimine and iso-, 1,2- and 2,3-butylenimines and mixtures thereof.  Specified initiators are 1,2-dichloroethane, 1,3-dichloropropane, dichloromethane, bis-b -chloroethyl ether, 1,2-dibromoethane, chloroform and mixtures thereof.  The reaction may be carried out in one or two stages, more initiator being added in the second stage.ALSO:Paper is impregnated with an aqueous solution of a polyalkylenimine to improve its wet strength.  The aqueous solution is prepared by polymerizing an aqueous solution of the alkylenimine in the presence of a polyhaloalkane or a polyhaloalkylether (see Division C3).  In the Examples an aqueous solution of polyethylenimine is used.
Patent GB-524930-A (GB)
Title: Improvements relating to the power supply to repeater stations in a transmission system
IPC: H04B3/44
Filed: 1939-02-01
Abstract: 524,930. Repeaters. STANDARD TELEPHONES & CABLES, Ltd., and JACOBSEN, B. B. Feb. 1, 1939, No. 3336. [Class 40 (iv)]. The. " go " and " return " lines of a carrier transmission system are grouped to provide two or more circuits for feeding power to the repeater valves. For example alternating current for the heaters and other purposes may be fed over the central or outer conductors in series and direct current for the anodes may be fed over a circuit involving the two central conductors in parallel and the two outer conductors in parallel. The alternating current feed may be arranged for a constant current or a constant voltage supply. Alternatively direct current may be supplied over the central or outer conductors in series and alternating current over these conductors in parallel and the outer conductors in parallel. The source using the conductors in series may be symmetrically or asymmetrically arranged with respect to that using them in parallel. In the case of the symmetrical arrangement, the utilizing arrangement may involve an adjustable tapping or a choke or network to compensate for line inequalities. As a further alternative, direct current may be fed over the central conductors in series and alternating current over the outer conductors in series or vice versa. Preferably the repeaters are fed from both ends simultaneously or alternatively. As shown, stations B, C are fed from station A and station C<SP>1</SP> is fed from a distant station (not shown). The alternating current feeds are effectively separated by chokes K1, K2 but the direct current feed circuit is continuous so that if the distant direct current source fails station C<SP>1</SP> is fed from A. Means may be provided to short-circuit the chokes when the alternating current source fails at either end. If the two alternating current sources are held in suitable phase relationship the chokes may be omitted. Preferably the systems are provided with protective arrangements of the kind described in Specification 524,627, [Group XXXV].
Patent GB-344165-A (GB)
Title: Improvements in the destructive hydrogenation of various kinds of coal, tars, mineral oils and the like
IPC: C10G1/06
Filed: 1930-01-31
Abstract: Coal, tars, mineral oils, their conversion products, and the like carbonaceous materials of high molecular weight are subjected to a destructive hydrogenation and a cracking in any sequence, and hydrogen for the destructive hydrogenation is obtained by treating in an electric arc the waste hydrocarbon gases obtained in these processes.  The treatment in the arc may be carried out as described in Specifications 294,494 and 332,057, [both in Class 90, Non-metallic elements], if desired with the addition of finely dispersed tar, petroleum, and the like.  Steam or carbon dioxide or both may be added to the waste gases before treatment, the carbon monoxide formed being removed in known manner.  Two examples are furnished giving details of the production of hydrogen from the waste gases.  Specification 325,487, [Class 32, Distilling &c.,], also is referred to.
Patent GB-1083603-A (GB)
Title: Mechanism for lifting flanged objects
IPC: B66F9/18
Filed: 1966-01-26
Abstract: 1,083,603. Devices for engaging and lifting drums. UNION STEEL PRODUCTS CO. Jan. 26, 1966 [March 19, 1965], No. 3530/66. Heading B8H. To lift a drum 11 having a flange 12 a lifting device 13 mounted on the arms 14 of a lifttruck is moved up to the drum so that a lower jaw 37, Fig. 4 (not shown), engages the underside of the flange. As the device is raised the lower jaw swings anti-clockwise about a pivot 38 supported by arms 39 and when a projection 42 abuts a pivot 41 of the arms 39 the latter rotate with the jaws 37. This rotation, which occurs against a spring 47, is transmitted by a link 44 to an upper jaw 35 which clamps down on the top of the flange. Whilst the device is being moved into position on the drum the lower jaw is free to rotate clockwise about the pivot 38, this minimizes damage to the drum. The gripping head 27 may be supported at different positions on arms 17 by pins which pass through holes 25 so that drums of various sizes may be lifted.
Patent GB-782010-A (GB)
Title: Improvements in feed roll web feeding apparatus
IPC: D06C29/00
Filed: 1956-02-06
Abstract: 782,010. Feeding webs. DEHN, S. G. (Robertson, T. D.). Feb. 6, 1956, No. 3678/56. Class 100((1) An apparatus for feeding and accumulating a supply of web material comprises a pair of coacting feed rollers one of which is driven, a receptacle, below the feed rollers, into which the feed rollers deliver the web material, means rotatably supporting the rollers with their axes substantially parallel, the driven roller having a plurality of parallel spaced-apart and substantially horizontal members each extending through one of a plurality of spaced-apart annular grooves in the general direction of web feed to guide the web into the receptacle. As shown, feed rollers 10, 12 mounted in bearings in supports 14, 16 feed a web 108 into a receptacle 112. Bearings 36, 38, supporting the roller 10 are independently adjustable by screws 44 to permit greater pressure being exerted between the rollers 10 and 12 at their end remote from a driving pulley 42 than at the end adjacent thereto, thereby overcoming distortion of the rubber surface of the roller 10 due to torque. The roller 12 is rotatably mounted between members 46, 48 of a frame 50 pivoted on a shaft 52. The frame 50 is urged upwardly by springs 54 tensioned by rotation of nuts 60. The frame 50 can be rocked downwardly by rotating a member 62 about a shaft 64 carrying a handle 67. The member 62 has a flat surface 63 for engaging the upper edge of members 46, 48 upon clock-wise rotation thereof to hold the roller 12 apart from the roller 10. A plurality of spaced-apart rigid rods 70 extend parallel to one another from an angle iron 72 to an angle iron 74, the angle irons 72, 74 having holes 73, 75 respectively which slidably receive the rods 70, thus forming a frame 68. The frame 68 is adjustable axially of the rollers 10, 12 by sliding pivot pins 82 through holes 84, the pins 82 being retained in adjusted position by set screws 86. The angle iron 74 has brackets 90 secured to the supports 14, 16 by bolts 92 engaging slots in the supports to permit adjustment of the frame 68 about the pivot pins 82, such that the rods may be located in spaced relation to the bottom walls of grooves 88 in the roller 10. A doctor blade 94, preferably of fibre, prevents the web being carried around the rcller 12; the blade being adjustable by a screw 104 which rocks an angle iron support about a rod 102. In operation, the web 108 is drawn from a supply over a guide roll 110 by the rollers 10, 12 and is deflected into the receptacle 112 by the rods 70 wherein it accumulates to provide a supply from which it may be drawn as required. The rods 70 which are of electrically conducting material remove static electricity from the web, thereby facilitating guidance of the web in the desired path. In a modification, Figs. 5 and 6 (not shown), both rollers 10, 12 have annular grooves through which rods 70 and similar rods 116 extend, the grooves being relatively offset axially of the rollers.
Patent GB-359831-A (GB)
Title: Improvements in and relating to the operation of internal combustion engines on light and heavy oils
IPC: F02M1/00
Filed: 1931-02-05
Abstract: 359,831. Spray carburetters ; extraair valves. ROHÍLVERGASER - GES., 43, Gottlieb-Dunkelstrasse, Tempelhof, and N€GELE, K. F., 38, Saalestrasse, Neukolin, both in Berlin. Feb. 5, 1931, No. 3706. [Classes 7 (ii) and 7 (iii).] In an engine adapted to work alternatively with light and heavy fuel, the change-over from light to heavy fuel is effected after the throttle has been fully opened, by the driver overcoming the pressure of a resilient abutment which normally limits the travel of the throttle, while the change back to light oil is effected independently of the driver as the throttle approaches no-load position. An extra-air valve for use with the heavy fuel is provided with a dashpot device to delay its opening and closing. The accelerator pedal 1 actuates an arm 35 on the throttle spindle 31, Fig. 3, which is fitted with a forked arm 4 adapted, in its two extreme positions, to throw an arm 5 over to one or other side of its dead-centre, in which positions it is held by a spring 34, arms 36 connected to the arm 5 opening and closing valves 6, 7 for the two fuels respectively. The heavy oil is vaporized in a pipe 9, Fig. 1, located in the exhaust manifold 32 and mixes with extra air admitted at 33 by a valve 13, which is actuated by an extension 16 of the throttle control acting through springs 18, 19, the actuation of the valve being further delayed by a dashpot orifice 15. In a modification, the valve 13 is connected to a diaphragm forming the dashpot. An electrical indicator 12, or pneumatic and mechanical indicators, may be fitted to indicate the change of fuel.
Patent GB-436140-A (GB)
Title: Improvements in or relating to packing cases, boxes or trays
IPC: B65D5/46
Filed: 1934-02-05
Abstract: 436,140. Boxes or trays. THOMPSON & NORRIS MANUFACTURING CO., Ltd., and MINCH, H., Stanley Gardens, Acton Vale, London. Feb. 5, 1934, No. 3720. [Class 18] An open-top type of box or tray formed of corrugated fibreboard, cardboard, &c. is provided with two oppositely disposed flaps B folded inwardly and upwardly to form the bottom and a dividing partition having a slot C for carrying the box. Flaps D on the other two sides of the box are also folded inwardly and upwardly, and are divided so as to contact on each side of the main partition formed by the flaps B. Other partitions E may be provided.
Patent GB-703743-A (GB)
Title: Improvements in or relating to water delivery control devices
IPC: F16K31/44
Filed: 1952-02-13
Abstract: 703,743. Valves. MAMOLI, S. Feb. 13, 1952, [Feb. 16, 1951], No. 3798/52. Class 135 A water delivery control device comprises a frame member with unions for securing it to the ends of supply and delivery pipes, a valve housing within the member removably connected to the unions and having passages communicating between the pipes and controlled by valve means actuated by push buttons from outside the frame member. A box 10, Fig. 1, to which the cold and hot water supply pipes and delivery pipe 13, 14, 15 respectively are connected, is sunk in a wall and contains a mixing valve device 20, Figs. 1 and 3, connected at 21, 22 to the supply pipes and at 23 to the delivery pipe. Each inlet from the supply has a seat 57 controlled by a non- rotatable, axially movable valve member 54 which is operated through a screw or a cam 60 on the valve member co-operating with a cam 61 on a spindle 63. The spindles carry rocking arms 24, 25, which are engaged and operated respectively by rods 31, 32 and 33, 34, depending from push buttons 27, 28, and 29, 30, in a cover box plate 26, the push buttons projecting through an opening 43 in another plate 40.
Patent GB-717255-A (GB)
Title: Apparatus for supplying liquids to bulk materials
IPC: B02B1/04
Filed: 1952-02-13
Abstract: 717,255. Mixing appliances. MIAG MUHLENBAU UND INDUSTRIE GES. Feb. 13, 1952. [Feb. 15. 1951], No. 3813/52. Class 86 An apparatus for the supply of liquid to bulk material comprises a weighing vessel which varies its position in accordance with the rate of flow of bulk material, and a needle valve in the liquid supply controlled by the movements of the weighing vessel to regulate the supply of liquid. A stream of bulk material falls into a counterbalanced weighing vessel 4 which is mounted for vertical displacement within a housing 1. The vessel 4 has a bottom discharge 11 which is provided with a flap 12 attached to a member 13 pivoted at 14, 14<SP>1</SP> to the vessel 4 and housing 1 respectively, in such a manner that, due to downwardly displacement of the vessel 4, the flap 12 uncovers the outlet 11 in accordance with the dead weight of bulk material within the vessel 4. A lever 15, pivoted to the housing 1 at 16, is connected by a link 18 to a pivot 10 on the vessel 4 and by a link 19 to a valve stem 17 which carries a needle valve within a valve housing 21. The needle valve is thereby opened by an amount proportional to the downward displacement of the vessel 4 so that liquid supplied therethrough shall flow at a rate proportional to the rate of flow of bulk material through the weighing vessel 4. Interchangeable filling elements 28, Fig. 1 (not shown), having predetermined lower dimensions, may be used to adapt the free cross-sectional area of the discharge opening 11 to a given rate of flow of bulk material.
Patent GB-593431-A (GB)
Title: Improvements in shears
IPC: B26B13/28
Filed: 1945-02-15
Abstract: 593,431. Shears. WILSON, G. Feb. 15, 1945, No. 3833. [Class 30] A pair of spaced elements are provided between the blade members and behind the pivot of a pair of shears to urge the blades into contact with one another, the elements being free to make translutional movements with respect to both blades. As shown, two arcuate or straight grooves 17, 18 in one blade member 11 each contain a ball 20 free to run in a resilient trough 21 in contact with the other blade member 10. The grooves 17, 18 are so placed that the triangle formed by the two balls and the cutting point of the shears always contains the centre B of the pivot 12 of the blades. Alternatively one groove may be in each blade member.
Patent GB-854568-A (GB)
Title: Improvements in fuel injection systems for internal combustion engines
IPC: F02M71/02
Filed: 1959-02-03
Abstract: 854,568. Spray carburetters. DOLZA, J. Feb. 3, 1959 [Feb. 6, 1958], No. 3855/59. Class 7(3). A fuel nozzle 27 discharges into the open inlet 22 of a pump 21 situated in a suction chamber 20 connected to the throat of a Venturi 170 in the intake pipe, the pump 20 feeding a mixture of fuel and air to nozzles 31 adjacent the intake ports. The flow from the float chamber 23 to the nozzle 27 is controlled by a metering valve 50 actuated by a bimetallic temperature responsive element 56, an atmospheric pressure responsive capsule 51, and a device 66 responsive to intake manifold pressure. The flow from the nozzle 27 varies with the suction in chamber 20 and the supply is increased at cold starting by a temperature responsive coil 48 which actuates a valve 44 to throttle the opening 45 connecting chamber 20 to the Venturi throat. Orifices 40 beneath the throttle valve also increase the suction in chamber 20 at idling and an accelerating pump 36 in the float chamber 23 discharges either into the outlet of pump 21 as shown or into the inlet of pump 21.
Patent GB-229311-A (GB)
Title: Improvements in and relating to the mechanical working of metals
IPC: B23D13/00
Filed: 1925-02-11
Abstract: 229,311. Retterath, V. Feb. 11, 1924, [Convention date]. Turning; planing; boring; lubricating and cooling tools and work; tools. - Metal is machined by means of a tool 2 which removes a. layer of metal at one operation, the operative portion of the cutting-edges being located in the plane dividing the work from the layer to be separated, thereby increasing the rate of working. In the case of wide work-pieces, a number of successive stripping cuts may be necessary. Alternatively, a wide work-piece may first be divided by narrow grooves produced by cutting or by a sharp-edged roller, the layers being then removed in one stroke by a gang of cutters or in a number of strokes by a tool 2 so proportioned that the point and the rear extremities of the cutting-edges run in separating-grooves or outside the work-piece. The grooving and stripping tools may be in one piece or assembled to form a tool which completes the stripping in one cut. A circular saw having independent rotary movement may be employed as a grooving tool. The tools may also be actuated intermittently by compressed air. In a further modification, the stripping-tool may be followed by a smoothing-tool which may be integral with the grooving and stripping tools, or may be used in a second working operation. For conducting away the heat produced by the cutting, the tool may be bored longitudinally and cooled by air or liquid. The method may be applied to turning, in which case the layers are in the form of coaxial cylinders separated by spacing-grooves. The Specification as open to inspection under Sect. 91 (3) (a) states that the invention is applicable to depth work such as boring, milling, reaming &c. Other modifications of the arrangement of the grooving and stripping tools are also described. This subject-matter does not appear in the Specification as accepted.
Patent GB-348177-A (GB)
Title: Improvements in metal flasks
IPC: A45D34/02
Filed: 1930-02-05
Abstract: 348,177. Metal flasks. SOC. STOEDERUM ET C. RUTHENBURG, 17, Rue Chapon, Paris. Feb. 5, 1930, No. 3902. Convention date, Aug. 30, 1929. [Class 66.] A flask, particularly intended for perfumery, is made of aluminium or other light metal coated internally with the natural " lacquer " of China and Japan, which is obtained from the trees or bushes known as Rhus vernicifera, and is insoluble in alcohol. The exterior of the flask may also be coated. A transparent gauge tube b communicating with the interior at both ends is disposed in a depression a formed in one face of the flask, and an indicating scale may be provided.
Patent GB-270796-A (GB)
Title: Improvements in and relating to garden shears, pruners and the like
IPC: A01G3/02
Filed: 1926-02-11
Abstract: 270,796. Southwood, R. J., and Hemming, C. S. Feb. 11, 1926. Shears and pruners for garden use and having a two-way cutting action camprise blades of L- form, the long arms forming the blades 4 and each provided with two cutting edges being pivoted together as shown so that in use the blades can cross one another. The short arms are pivotally connected to operating levers 2 pivoted together at 5, and actuated by handles 1, Fig. 2, or, in a form particularly for pruning purposes, by a rod 8, Fig. 6, linked to a hand-actuated lever 1. A form of grass-cutting shears with long upturned handles is described.
Patent GB-1365815-A (GB)
Title: Pipe couplings and unions
IPC: F16L19/02
Filed: 1973-01-19
Abstract: 1365815 Pipe couplings ELCHECO CO Ltd 19 Jan 1973 [28 Jan 1972] 4075/72 Heading F2G In a compression seal joint with a soft plastics or rubber pipe, a ferrule 15 is formed with a screwthreaded engagement with the pipe of opposite hand to the screwthreaded engagement between the nut 17 and the member 12. The ferrule may be of plastics, rubber or lead.
Patent GB-309265-A (GB)
Title: Improvements in or relating to detachable wheels
IPC: B60B3/16
Filed: 1928-02-09
Abstract: 309,265. Pugh, J. V., and Linnett, A. J. Feb. 9, 1928. Detaching from, and attaching to, perman. ent hubs. - In order that wire spoke wheels may replace artillery and disc wheels on the hubs, they are formed with hollow flanged removable hub shells a to fit over the permanent hub and with tubular bushings d disposed between the flange a<6> and an annular cap e to receive the securing bolts c. The inner spoke heads are received in an annular recess formed in the flange and the annular cap is coned to fit one side a<8> of this recess and is secured to the shell by welding at this position and also at the position e<1>. The flanged portion of the shell may be of small or great diameter and may be wholly or only partially disposed at an acute angle to the axis of the shell, and may be split and portions of it l<4>, l<5> bent axially to form supports for the bolt sleeves c<2>, Fig. 6. The shell may be strengthened at its outer end to receive the spoke ends by an annular ring, and an inner annular ring may be fitted to pass over the permanent hub. Specifications 22868/08, 185,190 and 185,822 are referred to.
Patent GB-1454001-A (GB)
Title: Phosphonic acid diesters
IPC: C07F9/40
Filed: 1974-01-29
Abstract: 1454001 Tertiary - alkoxysilyl phosphonic esters DYNAMIT NOBEL AG 29 Jan 1974 [31 Jan 1973] 04184/74 Heading C3S Tertiary-alkoxysilyl phosphonic esters of the formula wherein each R is a t-alkyl radical, each R<SP>1</SP> is an aryl radical or an alkyl radical optionally interrupted by a hetero atom, and each R<SP>11</SP> is an alkyl radical optionally interrupted by a hetero atom, a and b are each 0, 1 or 2 and a+b is 0, 1 or 2, may be made by reaction of the phosphite (R<SP>1</SP>O) 2 POH with a silane wherein Y is an alkenyl radical, in the presence of a free radical initiator. In examples the compounds and are prepared from dimethyl or diethyl phosphite and the corresponding vinyl or allyl trialkoxysilanes, in the presence of di-t-butyl peroxide at about 150‹ C. or 1,1-di-t-butoxy- 3,3,5-trimethylcyclohexane or t-butyl per-2- ethylhexoate at about 130‹ C.
Patent GB-1313039-A (GB)
Title: Device for delivering a reference voltage
IPC: H02P7/291
Filed: 1971-09-14
Abstract: 1313039 Automatic control of speed HOLZER PATENT AG 14 Sept 1971 [14 Sept 1970] 42741/71 Heading G3R [Also in Division H3] A capacitor charging circuit for producing a reference voltage ramp for a motor control circuit includes switching means operated when the ramp reaches a given intermediate value to produce an abrupt rise in the ramp. The circuit shown produces a reference voltage, Fig.1, for retroactively controlling the speed of the spinner motor of a washing machine to provide a first steady speed corresponding to voltage U1 followed by a rise in speed to voltage U2 whereupon a steep rise occurs while the speed passes the resonant region of the spinner. During the period to t 1  contact 7 is made and the output at 2 is determined by a potentiometer 4, 5 at t 1  contact 7 is opened and the capacitor charges through 4 and 5 until the voltage at the base of 9 exceeds the reference value at its emitter whereupon both transistors of the triggers 9, 10 become conductive to produce a rapid rise of voltage at 2(t 2 -t 3 ) whereafter charging takes place through 4 and 13 until t 4 . Contact 7<SP>1</SP> restarts the cycle if a fault occurs. The contacts 7 may alternatively be connected between the lower end of 13 and 14, Fig. 4 (not shown) and the rapid increase of voltage at t 2  may be assisted by a capacitor across 13 (25) Fig. 5 (not shown). In Fig. 6 (not shown) a resistor (26) is connected in the lead between 5 and 13 and terminal 2 is connected to a potentiometer across 2 and 13. The impedance of stage 9 may be increased by preceding it with an emitter follower or replacing it by a field effect transistor.