baber/WOPTO huggingface dataset:
Patent GB-1029610-A (GB)
Title: Improvements in or relating to ethers
Inventor: AGHORAMURTHY KRISHNASASTRI
IPC: C07C41/00
Filed: 1965-04-08
Abstract: Triol monoethers are prepared by contacting in the presence of an aromatic sulphonic acid, an aliphatic or alicyclic monohydric alcohol which contains not less than 6 carbon atoms, with an epoxy-hydroxy-substituted alkane which contains a vic-epoxy group at least one carbon atom of which is directly attached to a hydroxy substituted alkyl radical, such as 2,3-epoxybutan-1-ol, 1,2-epoxy-2-methylbutan-4-ol, 1,2epoxy - 3 - methylbutan - 4 - ol and preferably glycidol.  The aliphatic monohydric alcohol may be saturated, e.g. hexan-1-ol, heptan-1-ol, and octan-1-ol, octadecan-1-ol, or unsaturated e.g. oleyl alcohol, undec-10-en-1-ol. The aromatic sulphonic acid is preferably present in an amount not greater than 5% by weight of the epoxy-hydroxy-substituted alkane, and the latter is suitably contacted with greater than the stoichiometric quantity of the aliphatic or alicyclic monohydric alcohol.  Suitable reaction temperatures are between 50 DEG  and 150 DEG .  The examples describe the preparation of the 1-(2,3-dihydroxy propoxyl) derivatives of hexane, heptane, octane, octadec-9-ene, and octadecane, and that of 3-cyclohexyloxy-1,2-dihydroxypropane.
Patent GB-217917-A (GB)
Title: Improvements relating to means for collecting and transporting bulk goods
IPC: B65G63/02
Filed: 1924-06-21
Abstract: 217,917. Ochsner, J. June 22, 1923, [Convention date]. Drawings to Specification. Vehicles with removable bodies.-Comprises means for collecting and transporting materials, such as dust and rubbish, consisting of wheeled frames or vehicles for rail or road and removable wagon boxes or bins, which are adapted to be slung and by the use of rollers and guide rails can be easily slid on to and removed from the wheeled frames. The wagon boxes are in the form of skips with bottom discharge doors. They are fitted with guide rails which run on rollers mounted on the rail or road vehicles. In the example described, the boxes may be suspended one at a time from a road vehicle by means of a trolly with swivelling wheels to a rail vehicle adapted to carry four boxes.
Patent GB-1309442-A (GB)
Title: Apparatus for filtering a liquid under pressure
IPC: B01D21/00
Filed: 1970-03-26
Abstract: 1309442 Filter apparatus BRASCO SA 26 March 1970 [27 March 1969] 15020/70 Heading BID A filter apparatus includes a housing 1, enclosing at least one openwork filter element 22 and having an upstream restriction 20 and a downstream valve 9 and filtrate reservoir 4, a system 2, 49, 50 which delivers filter aid to housing 1 before the filtration step, and a solids discharge valve 33 at the bottom of housing 1 and arranged to move quickly from fully closed to wide open and then back to half closed to effect a two-stage cleaning of element 22. Reservoir 4 maintains a continuous output of filtrate during cleaning and filter aid application, and also supplies backwash filtrate to element 22. Element 22 has a mesh size of 30 microns, and the filter aid particles are also this size. Element 22 is nylon or stainless steel woven mesh supported on structure 21 and enclosed by a coarse mesh scraper 24. Control box C operates the various valves and motors driving pump 49 and valve 33 in desired sequence. Firstly valve 9 is closed, valve 13 opened and pump 49 delivers filter aid mixture to inlet line 5, which is always supplied with liquid to be filtered by pump 6. Liquid passing into element 22 is discharged into line 12, while the filter aid layer is quickly deposited thereon, without any recirculation being necessary because of the particle sizes. Pump 49 is stopped, valve 13 closed and valve 9 opened and filtration proceeds, outlet valve 11 being initially partly closed to allow reservoir 4 to fill up and then being opened up. For cleaning valve 9 remains open and valve 33 is raised from closed to wide open by cam 35. This momentarily reverses the pressure drop across element 22 causing reverse flow therethrough, the flow past valve 33 acting on plate 26, normally bridging aperture 27 to depress scraper 24 against spring 29 and thereby clean element 22 further. After about a second, valve 33 has returned to the half-closed, position in which there is no pressure drop across element 22 and the incoming liquid washes the filter aid and residue through valve 33 and into tank 3. After four seconds valve 33 is completely closed and the next filter aid application begins. Pump 40 and cyclone separator 42 effect recovery of filter aid from tank 3 and return it to filter aid mixer 2. Residue is returned to tank 3 from which it is periodically discharged by valve 39. Filter aid may be diatomaceous earth, quartz, glass, clay, alumina, polyvinyl chloride, polystyrene or a composite of plastics and metal powder. Instead of cyclone 42, filter aid could be recovered by washing, decanting, chemical or magnetic separation or simply discharged after one use. Restriction 20 is shown inside housing 1 but could be outside in line 5. Scraper 24 can be connected to valve 33 or operated by hand. Several housings 1 could operate in parallel, with successive cleaning and sharing reservoir 4, filter aid mixer 2 and tank 3 in common, and each housing 1 could contain several filter elements.
Patent GB-360927-A (GB)
Title: Improvements in or relating to a method of cooling and condensing in periodically working absorption refrigerating plants
IPC: F25B17/00
Filed: 1930-05-15
Abstract: 360,927. Refrigerating. DEUTSCHE GASGLœHLICHT-AUER-GES., 16, Rotherstrasse, Berlin. May 15, 1930, No. 15031. Convention date, May 15, 1929. [Class 29.] Absorption machines and systems. - Either the generatorabsorber or the condenser or both are cooled by a limited quantity of liquid having a boiling - point below the highest temperature reached in the machine, as in Specification 313,890, [Class 29, Cooling &c.], and cooled in a tank 7, Fig. 1, spaced above the refrigerator to which the machine is fitted and having scoops 9 for directing cooling air over the iuclined base of the tank and heat-radiating ribs 8. The condenser coil 2 is disposed in the tank, while the jacket around the generator-absorber 1 is connected to the tank by flow and return pipes 5, 6 respectively. In a modification, the tank is formed with a central air flue, and the generatorabsorber is cooled by a separate body of liquid cooled in a ribbed vessel 10, Fig. 3. In another arrangement, the condenser is air-cooled, while the generator-absorber is liquid-cooled.
Patent GB-653735-A (GB)
Title: Improvements in and relating to drawing heads for long staple fibres
IPC: D01H5/22
Filed: 1947-06-09
Abstract: 653,735. Textile drawing apparatus. MACKIE & SONS, Ltd., J., and MACKIE, J.P. June 9, 1947, Nos. 16147/47 and 1044/48. [Class 120(ii)] A drawing head for jute or similar long staple fibres in which a sliver is acted upon by slip draft devices over a length equal to at least one quarter of the length of the sliver path has the sliver path arranged to be considerably longer than the distance between the retaining and drawing rollers. In one embodiment, Fig. 1, a sliver S is drawn between retaining rollers 12, 13 and drawing rollers 14, 15 and slip draft control is effected by a roller 21, positively driven at a speed slightly greater than that of the retaining rollers 12, 13, and a pressing roller 22 lightly urged towards the roller 21 by an adjustable spring 23. The sliver is pressed against the rollers 21, 22 over more than a half of its path. In another modification, wherein the retaining rollers are located behind the drawing rollers with the nips almost horizontal the sliver is passed over a large slip draft roller which may be roughened, or covered with a material to which fibres may cling, such as rubber, cork composition or leather. Alternatively, the slip draft roller may be provided with a rubber or other belt, such as 32, in Fig. 2A, which passes round a roller 30 and a tension pulley 33. In another form, a belt similar to belt 32,. may be passed over a fixed curved plate, preferably flanged. Drive to the belt may be from a driven fluted roller. A stationary flanged curved plate without a belt may be employed. In a further modification, a belt may be supported by two positively driven and two idler rollers, a presser roller being lightly urged against the belt as it passes round one of the positively driven rollers. In other modifications, the sliver is caused to make a large arc of contact with the driven retaining roller which may be flanged and fluted. The..driven slip-draft roller may also be flanged and fluted. Also, a sliver may be passed completely round the slip draft roller-and a presser roller may be urged against the sliver as it leaves this slip draft roller. According to the first Provisional Specification, the presser roller may press against two strands of the sliver on the slip draft roller. This Specification also envisages slip draft control imposed by two belts between which a sliver is gripped. According to the second Provisional Specification a large slip draft roller may be formed circumferentially with a curved channel, or a straight-sided furrow, or alternatively transverse corrugations may be formed by bars fitted across slots in the roller. Specifications 407,671, 407,690, 407,707, 509,493 and 516,466 are referred to.
Patent GB-956941-A (GB)
Title: Improved clarifier tank
Inventor: ALLEN WILFRED CHARLES
IPC: C02F1/52
Filed: 1962-04-19
Abstract: 956,941. Gravity separation apparatus. PATERSON ENGINEERING CO. Ltd. Jan. 15, 1963 [April 19, 1962], No. 15236/62. Heading BID. In a clarifier tank comprising a cylindrical tank having at its axis a flocculating tank, thus forming inner and outer compartments, water, fed in at the bottom and to one side of the inner compartment, is given a rotary movement around the inner compartment, and after passing via a draw-off weir to the bottom of the outer side of the wall between the compartments, makes substantially one circuit of the outer compartment before leaving by a second draw-off weir. In Figs. 1 and 2, a cylindrical tank 1 is divided into inner and outer compartments by a cylindrical wall 2. Raw water enters the inner compartment by duct 4. A rotary movement is induced in the water by baffles 5 ; the water eventually rising to the top of the compartment where it flows over weir 6 arranged around the periphery and is collected in circular channel 7. The water then passes downwardly through duct 3 to the bottom of wall 2 where a rotary movement is imparted by baffles 8. A submerged weir 9 is situated on the outer periphery such that water issuing from duct 3 is induced to complete one circuit of the outer compartment before being drawn off. Scrapers 10, 11 are suspended from bridge 12, which may also carry padders 17 to aid tlocculation. Sludge is scraped into sumps 13, 14 to be removed at 15, 16. Automatic sludge removal is effected by actuating a pilot valve which pneumatically/hydraulically operates the sludge output valves. A pressureequalising door is installed at the bottom of the wall 2.
Patent GB-860188-A (GB)
Title: A new or improved balancing unit for use with radiation gauges
IPC: G01N23/08
Filed: 1956-05-15
Abstract: 860,188. Radiation gauges. POWELL, G. F. W., and MOLINS MACHINE CO. Ltd. May 14, 1957 [May 15, 1956], No. 15275/57. Divided out of 860,184. Class 40 (3). In a unit comprising a radioactive source 29 and an ionization chamber 1 with an adjustable radiation absorber therebetween, and in which the output of the chamber 1 is to be balanced against a measuring ionization chamber, the absorber comprises two metal plates 28A, 28B (not shown) which have a tapered gap between them and are adjustable by a screw 27 to vary the aperture through which radiation passes to the chamber 1. Specifications 781,041, 781,867 and 860,187 also are referred to.
Patent GB-529137-A (GB)
Title: Improvements relating to roll grinding machines
IPC: B24B5/16
Filed: 1939-05-23
Abstract: 529,137. Grinding rolls. CHURCHILL MACHINE TOOL CO., Ltd., and ASBRIDGE, H. H. May 23, 1939, No. 15281. [Class 60] A machine for grinding convexly or concavely cambered rolls comprises a grinding- wheel head a pivoted parallel to the axis of the wheel, at b on a slide c movable along a bed d. On the bed is pivoted, at e, a bar f slotted at i and angularly adjustable by pins g and slots h. In the slot i rides a slipper j secured to a pivot k carrying a block m adjustable by a screw p in a slot n in a member o, which has a split end clamped by a bolt s on a pin q mounted rotatably in a bracket r secured to the slide c. The pin q carries pins t, u on one of which may be placed a spherical part to be engaged by a strut v, the pin t being used for concave cambers, and the pin u for convex cambers ; the top of the strut engages a hemispherical projection x on the head a, so that as the member o and pin q are rocked by movement of the slipper j along the slot i the head a is oscillated about the pivot b. On the member o is a scale y and on the bracket r is a pointer z, which, in conjunction with a level gauge 3 on the member o, the screw p and the pins and slots g, h, are utilized to set the machine to give the required camber to the roll.
Patent GB-149113-A (GB)
Title: Improvements in combing machines for cotton and other fibrous materials
IPC: D01G19/10
Filed: 1919-06-19
Abstract: 149,113. Rushton, J. L. June 19, 1919. Combing - machines. -The comb segment a of a cotton-combing machine comprises three or more series of comb strips which gradually increase in fineness, the first combstrip in each series being coarser than the last comb-strip in the preceding series. The projection of the needles gradually diminishes from front to back.
Patent GB-850679-A (GB)
Title: Catamenial bandage support
IPC: A61F13/64
Filed: 1959-05-05
Abstract: 850,679. Catamenial appliances. CASE, O.M. May 5, 1959, No. 15387/59. Class 81(2) A support for a catamenial pad comprises an endless loop carrying 'slidable grippers 5, 51 which form it into a belt portion 6 and also from snares 4, 4 which encircle the end tabs of the pad These are tightened on to the tabs by sliding the grippers 5 towards the end of the loops. The appliance may be made from a single length of elastic band or from two lengths joined at the loops 4.
Patent GB-231714-A (GB)
Title: Sliding pencil
IPC: B43K24/12
Filed: 1924-06-26
Abstract: 231,714. Werner, G. C. June 26, 1924. No Patent granted (Sealing fee not paid). Pencil-holders.- In a sliding pencil holder having one or more lead carriers, the lead carriers are moved forward and locked in position by a positive feed mechanism, and one or more pins are provided to project the leads from the carriers. The pencil - holder for a single lead shown in Fig. 1 comprises an outer casing 1 in which slides feed mechanism consisting of a lead carrier 6 integral with a bar 9, a feed sleeve 7, and a guide lug 8 engaging in a guide slot 15 in the casing and attached by a spring 14 to the top of the casing. The feed sleeve 7 contains a leadejecting pin 10, surrounded by a spiral spring 12 at its upper end, and carrying a guide lug 13 engaging in the slot 15. On pushing down the lug 8, the whole mechanism is moved forward and the lug 13 engages in a toothed margin. of the slot 15 and holds the mechanism in the forward position. When the lead 16 is worn, the lug 13 is advanced so that the pin 10 advances the lead. On freeing the lug 13 from the toothed margin of the slot 15, the spring 12 retracts the whole mechanism. In the magazine pencil shown in Fig. 3, the feed bar 9 is not integral with the lead carrier 6, but has its lower end recessed to accommodate rotatably the lugs 17 of a number of lead carriers 6 forming the magazine 20. The lead carriers 6 contain leads 16 of varying colour or hardness, and pins 18 on which rest the head 11 of the feed pin 10. A spring 24 on the end of the pencil-holder keeps the rotatablemagazine in position. Each lead carrier may have a separate feed pin 10. In another construction the lead carrier is loosely connected to its guide lug and can be clamped in its forward position by a clamping-sleeve or tip.
Patent GB-429066-A (GB)
Title: Improvements in or relating to gas conditioning apparatus
IPC: F26B21/08
Filed: 1934-05-23
Abstract: 429,066. Drying gases. DOWNS, C. R., 50, East 41st Street, New York, U.S.A. May 23, 1934, No. 15417. Convention date, May 23, 1933. [Class 34 (i)] [See also Group XII] Gases are dried by the deliquescence of a solid material in a series of zones including a liquid phase zone constituted by concentrated solution of the material and a number of solid phase zones in which they are also cooled. Solution from the solid zones is drained separately and directly into the liquid phase zone. An air treating chamber comprises a predrying or tray section 2 and superposed compartment and bin sections 3, 4. Incoming air distributed by a box 9 flows to and fro across trays 11 which retain pools of liquid and discharge excess as cascades on the tray beneath, the liquid finally collecting in a reservoir 16 and being recirculated to the top tray by a pump 20. The air passes through an opening 27 into section 3 which comprises compartments 28, 29, 30, of increasing size each containing a bed of solid calcium chloride, the three beds being separated by coolers 32, 33, e.g. of finned tubing. Cooling water is preferably circulated through coolers 33, 32 in series so that the beds are maintained at progressively lower temperatures and in the form shown is supplied from a cooler 17 in the reservoir 16. Drainings from the beds drip separately through orifices 36 on to the top tray 11. Air passages, e.g. brass pipes may extend into the compartments to prevent coagulation of the liquefied material. Bins 37, 38, 39, above the compartments replenish the solid mass as it contracts, partitions 40, 41 between them being desirably hinged and provided with sliding plates 42, 43 to enable the relative capacities of the bins to be adjusted to correspond to the rate of liquefaction in the compartments. In one modification, the predried air enters a middle compartment and divides into two diverging streams and in another the predrying and compartment sections are located in separate chambers connected by an air duct and fan. The incoming air may be precooled. Humidistats and thermostats may be used to provide automatic control of the conditioned air. The Specification as open to inspection under Sect. 91 comprises also the utilization of the apparatus as in winter time for humidifying air. The calcium chloride lumps and solution are removed and water is supplied to fill the trays and the reservoir up to the overflow 18. Steam or hot water is circulated in series through the radiators 33, 32, 17. A small continuous stream of water is admitted through a pipe 48 so that a slight excess is continuously discharged at the overflow. This subject-matter does not appear in the Specification as accepted.
Patent GB-1029670-A (GB)
Title: Process for the stabilisation of acylated or alkylated polyoxymethylenes of high molecular weight
Inventor: KAUFHOLD ROBERT
IPC: C08K5/3417
Filed: 1965-04-12
Abstract: An acylated or alkylated polyoxymethylene of high molecular weight is stabilized by adding indol or one of its derivatives in the proportion of between 0.01 to 5% based on the polymer. Specified stabilizers include 2-phenyl-2-phenyl-41-ethoxy-, 2-phenyl-41-propoxy-, 3-nitroso-, 3-nitro-, 2,3-dichloro-, and 1-5-dimethyl-indols. Known stabilizers, e.g. phenols, polyamides, aromatic amines, and organic sulphur compounds, as well as fillers, e.g. carbon black and other additives, may also be present.
Patent GB-445070-A (GB)
Title: Electric cables or other insulated electric conductors and the manufacture thereof
IPC: H01B7/16
Filed: 1935-05-28
Abstract: 445,070. Cables and conductors. CONDUCTEUR ELECTRIQUE BLINDE INCOMBUSTIBLE, 30, Rue d'Astorg, Paris. May 28, 1935, No. 15561. Convention date, May 29, 1934. [Class 36] [See also Group XI] Cables and insulated conductors, such as resistance conductors for use in heating elements, of the kind comprising a conductor 1, Fig. 2, carried within a sheath 3 from which it is insulated by powdered magnesia or other material having electrical and physical properties similar to magnesia, are manufactured by filling the space between the conductor and the sheath with compressed blocks 2 of the powdered insulating material and then subjecting the cable or sheathed conductor to a lengthening treatment, such as drawing, or rolling, so that the insulating material is returned to its powdered form. The blocks may be of cylindrical form, having one or more passages to accommodate the conductor or conductors, and may be soaked in boric acid, or provided with thin metal or paper coatings 8, 9, Fig. 4, to maintain them in a coherent form pending the lengthening process. To prevent relative displacement, the blocks may have interengaging projections and recesses 10, as shown in Fig. 4. The cylindrical blocks may be divided by plane or helical surfaces into two or more part-blocks which fit together around the conductor. Fig. 6 shows a cable having cylindrical blocks similar to that shown in Fig. 4, the blocks being divided axially into part-blocks, such as 11, 12 and 13, which are secured in place by a braided sheath 14.
Patent GB-946017-A (GB)
Title: Improvements in or relating to arrangements for maintaining uniform leakage gaps between the rotor and valve plate of high pressure piston pumps and motors
Inventor: RUMSEY ROLLIN DOUGLAS
IPC: F03C1/38
Filed: 1962-04-24
Abstract: 946,017. Reciprocating pumps and motors. HONDAILLE INDUSTRIES Inc. April 24, 1962, No. 15592/62. Heading F1A. A ported valve plate 24 is slidably mounted in a guide ring 65 and a valve housing 64 provided with inlet and outlet passages connected to the valve ports 91, 90. The ring 65 and valve plate 24 are urged into contact with the end face of a cylinder rotar by. separate springs and the valve plate 24 has balance pistons 80, 81 communicating through passages 84, 85 with the end face. In addition a balance chamber 68 is formed behind the valve plate 24 and communicates through a small annular gap 55<SP>1</SP> between the valve plate and ring 65, with the end face; the end face also has a groove 92 which is connected by a passage 93 to the chamber 68. A small leakage groove (89 not shown) connects the chamber 68 to the low pressure port.
Patent GB-1340388-A (GB)
Title: Production of epsilon-caprolactone
IPC: C07D315/00
Filed: 1971-05-18
Abstract: 1340388 #-caprolactone SUMITOMO CHEMICAL CO Ltd 18 May 1971 [19 May 1970] 15606/71 Heading C2C #-Caprolactone is obtained by reacting, in the liquid phase, cyclohexanone, an aliphatic aldehyde and oxygen or an oxygen-containing gas in the presence of at least one catalyst which is a heavy metal laurylbenzene sulphonate or a complex thereof of formula wherein M is a heavy metal salt of laurylbenzenesulphonic acid, A is a saturated aliphatic aldehyde having from 1 to 10 carbon atoms, B is a saturated aliphatic acid having from 1 to 10 carbon atoms, and n and m are each zero or have any positive value. The reaction may be effected batchwise or continuously, optionally in an inert solvent, at a temperature of 20- 80‹C, and the aldehyde is generally employed in an amount of 0À1-2 moles per mole of cyclohexanone. Preferred heavy metal salts are the Co, Mn, Fe, Mo and Cu salts, and the catalyst is suitably employed in an amount of not less than 0À00001% by wt. of the total weight of the cyclohexanone and aliphatic aldehyde. The complex catalysts may be prepared by reacting the metal lauryl benzene sulphonate with the aliphatic aldehyde and/or acid and subsequently removing any excess of the reactants under reduced pressure.