baber/WOPTO huggingface dataset:
Patent GB-1398410-A (GB)
Title: Control system for synchronising machines
IPC: B30B15/14
Filed: 1972-06-08
Abstract: 1398410 Automatic control of speed and position EATON CORP 8 June 1972 [10 June 1971] 26901/72 Headings G3N and G3R An automatic control system for allowing machines to operate in a predetermined relationship by providing a reference signal which both represents the desired speed and the position in a master machine cycle. In the arrangement shown the reference master machine signal is provided by the potentiometer 20 which places a voltage at junction 22. Each machine has a velocity control circuit 10,11 which includes a driving motor and means for providing an actual speed signal which is fed together with the speed reference signal to the summing amplifier 24. Each machine is also provided with a computing circuit 31 which determines any error in the position of the machine in its work cycle and modifies the speed of the machine accordingly. The position of the machine shaft 12 is encoded by binary encoder 32 and is passed to shift register 40 in circuit 31. The voltage at junction 22 is passed through the voltage to frequency converter 26 and the pulses so formed are counted in counter 30 which automatically resets at the start of each section of the cycle. Thus the count in counter 30 indicates the position in the master machine cycle and this is fed to circuit 31. This master position count is then adjusted by passing through the add/subtract circuit 58 by the carry logic output which ensures that the count is related to the correct part of the cycle and the output of the offset 60. Offset 60 is pre-set to enable a machine to be synchronized to the master cycle at a different part of its working cycle if desired. The machine position stored in register 40 is compared with this adjusted master position signal at 46 and the error signal after conversion to analog form is applied to summing amplifier 24 to adjust the machine speed. When it is desired to stop the machines potentiometer 20 is turned to a zero speed setting and the machines will reduce speed in synchronism until, at a predetermined speed device 102 is enabled to bring the stop logic circuit 90 into action. When the actual machine position corresponds to the required stopping position, pre-set at 92, the logic 90 causes brake 105 to be applied. Thus each machine can be stopped independently of the position set in the master position cycle.
Patent GB-407978-A (GB)
Title: Improvements in or relating to abrasive coated materials
IPC: B24D11/00
Filed: 1932-09-28
Abstract: 407,978. Emery cloth, sandpaper, &c. TENNANT, W. J., 111, Hatton Garden, London.-(Behr-Manning Corporation; Troy, New York, U.S.A.) Sept. 28, 1932, No. 26923. [Class 60.] In the manufacture of abrasive coated materials, fur example, emery cloth, sandpaper, &c., the abrasive grains, which have been rendered magnetically responsive, are subjected to the action of a magnetic field., whereby the disposition of the grains on the carrier is controlled; in addition, the grains may be subjected to the influence of an electrical field. The grains of abrasive are first coated with a moist adhesive to which is applied finely pulverized iron or steel, the grains then being placed in a receptacle 4 having a wire mesh bottom 5 and agitated by means 6 so that the grains fall on to paper &c. 7 coated with adhesive, and held by rolls 3 upon a thin brass, or other non-magnetic, table 2. Beneath the table 2 is an electromagnet 1, the field of which causes the falling grains to turn with their longest axes approximately perpendicular to the paper 7 ; an electrostatic field, as described in Specification 378,014, may be used in conjunction with the magnetic field. In a modification, the grains are fed on to a moving belt and pass beneath the downwardly facing adhesive-coated surface of the paper &c., being attracted upwardly thereto by an electromagnet placed above the paper, or by the combined action of the magnet and an electrostatic field ; surplus grains, in this case, do not reach the paper. In order to cause stratification of the grains according to size, the grains fall from a receptacle 5, Fig. 5, past an electromagnet 1, giving a horizontal field, onto the paper 7. In a further modification, the paper sheet may first have deposited thereon the grains of abrasive, and then be moved through the magnetic field before the adhesive has set.
Patent GB-159553-A (GB)
Title: Improvements in connection with the fittings of wind-screens of motor vehicles
IPC: B60J10/02
Filed: 1919-11-03
Abstract: 159,553. Godin, A. A. Nov. 3, 1919. Wind-screens. - A channelled side - member for receiving the glass of a wind-screen is formed from a substantially T-shaped blank of sheet metal 1, Fig. 1, out of which a tongue 3 is first pressed, the blank being then bent to channel form of the same width as the tongue 3 and the portions 2 at each side of the tongue being bent to a semicircular shape as shown at 4, Fig. 2, so as to form a socket 6 to receive the cross-bar from which the screen is suspended. The tongue 3 is adapted to close the end of the channel near the socket 6, or it may be removed entirely.
Patent GB-1110451-A (GB)
Title: Aziridinyl phthalocyanine pigments
Inventor: PIZZARELLO ROY ALOYSIUS
IPC: C09B47/26
Filed: 1965-02-25
Abstract: The invention comprises copper phthalocyanine tri-(methyl aziridinyl sulphonimide). The pigment may be made by reacting copper phthalocyanine with chlorosulphonic acid, reacting the product with thionyl chloride to form the trisulphonyl chloride and reacting the latter with propylenimine.
Patent GB-807242-A (GB)
Title: Preparation of stable, injectable solutions of thiamin orthophosphoric ester chloride
IPC: A61K47/20
Filed: 1956-09-04
Abstract: Injectable solutions of thiamin orthophosphoric ester chloride are made stable to heat, light and ageing by the addition of thiourea, phenol or both together.  In examples, phenol is dissolved in an aqueous solution of thiamin orthophosphoric ester chloride and the pH adjusted to 3.3-3.4 by the addition of an aqueous solution of sodium bicarbonate, and separately thiourea is dissolved in water and this solution added to the first solution. The pH is then adjusted to 3.35 with sodium bicarbonate or concentrated hydrochloric acid as appropriate and the solution filtered under vacuum, poured into vials and finally tyndallized for 30 minutes at 70 DEG  C.
Patent GB-711164-A (GB)
Title: Improvements relating to lubricating and cooling agents for use in the cold working of metals
Filed: 1951-11-19
Abstract: A lubricating and cooling agent for the cold working of metals comprises an aqueous solution of a water-soluble lubricant and a sulphide.  The lubricant is preferably an anionic wetting agent, e.g. a fatty alcohol or alkyl benzene sulphonate or a soap, and the sulphide ammonium sulphide or polysulphide.  Hydrogen sulphide, calcium hydrosulphide and alkali metal polysulphides are also of use. The solution generally contains 2-5 per cent. lubricant and 1-2 per cent. sulphide by weight.  Concentrates of lubricant and sulphide to be diluted before use may be provided. The solutions may be emulsified with fatty or mineral oils before use.  Additional sulphide is added during use.
Patent GB-1173822-A (GB)
Title: Container for Spools or Tubes
IPC: B65H67/06
Filed: 1967-07-04
Abstract: 1,173,822. Bobbin containers. SCHUBERT & SALZER MASCHINENFABRIK A.G. 4 July, 1967 [6 July, 1966], No. 27301/67. Headings D1F and D1J. A container for storing yarn packages or empty tubes of equal lengths is open at the top, has two vertical side walls 4, 41 fitted on their inner surfaces with guide rails 5, 51 each having a vertical rear portion and a forwardly directed portion near the bottom of the container, and has an opening extending from the top to the bottom of the container. The opening is of a width less than the distance between the side walls. Preferably the guide rails 5, 51 are substantially U-shaped with the bottom portion sloping downwards towards the front. The container may be formed by side walls bolted together leaving the ends and bottom open also, see Fig. 5, not shown. In use, the container is filled by placing the packages onto a belt 3 which gradually sinks into the container as it is unwound from a delivery device (2), see Figs. 1 and 2 not shown. When the container is full, the packages rest on the rails and the belt 3 is then pulled free. When the container is to be emptied the open end face of the container is moved to a conveyor having a series of slats which extend into the container; each slat grips a package and raises it out of the container, see Fig. 4 not shown.
Patent GB-1215845-A (GB)
Title: A measuring device
IPC: H01F41/094
Filed: 1968-06-07
Abstract: 1,215,845. Selective signalling. SIEMENS A.G. 7 June, 1968 [16 Nov., 1967], No. 27328/68. Heading G4H. [Also in Divisions D1 and H2] The length of thread passing over a pulley 1, Fig. 1, is measured by counting pulses produced by a magnet 5 and a hall plate detector as the pulley rotates. The pulley assembly includes an eddy-current brake.
Patent GB-1189331-A (GB)
Title: Improvements relating to the Comminution of Particulate Material
Inventor: SZEGO LASZLO LAZARUS
IPC: B02C15/08
Filed: 1967-02-18
Abstract: 1,189,331. Comminuting apparatus. VICKERS Ltd. 19 Feb., 1968 [18 Feb., 1967; 23 Feb., 1967 (2); 14 June, 1967], Nos. 7850/67, 8608/67, 8609/67 and 27388/67. Heading B2A. A mill comprises a crushing chamber 10, Fig. 1 in which one or more radially-unrestrained masses 20 are subjected to gyratory movement around an eccentric axis. Crushing pressure is produced by centrifugal force. The roller mass may be polyhedral, Figs. 2 and 4 (not shown). The crushing chamber 30, Fig. 3 may be fixed and the roller masses 31 loosely journalled on shafts 32 forming eccentric limbs of a spinner 33. In a practical embodiment, material is fed by a fluid stream at 71, Fig. 5, and distributed via branch passages 69 and spigot passages 68 into three crushing chambers 67, rotated by a spinner 55 at, e.g. 3000 r.p.m. Frictional engagement between gyrating chamber assemblies 63 and static rings 75 fixed in a housing 50, 51, rotates the chamber assemblies 63 about their own axes in bearings 62. Rollers may replace the balls 73 and the crushing chambers may have a polyhedral inner surface. The roller mass may also be a stack of discs, Figs. 9 and 10 (not shown). In the embodiment of Fig. 12 the crushing chambers contain rollers formed by stacks of twelve identical discs 118 each with a convex partspherical edge 119 urged into point contact with a cylindrical crushing surface 112. Another embodiment employs pairs of spherical steel balls, Fig. 13 (not shown). A further embodiment on the principle of Fig. 3 employs stacks of discs which are of progressively smaller thickness from top to bottom of the stack so that there is a progressive size reaction through the mill, Fig. 14 (not shown). Another embodiment also employing the principle of Fig. 3 uses twin cups (162, 163) Fig. 16 (not shown) secured to opposite sides of an annular yoke (166). A spindle (175) journalled in a hub (172) and rotated by a shaft (167), carries twin part-spherical roller masses (177). A tangential inlet duct (180) is provided at the top of the casing. (For Figures-see next page)
Patent GB-503769-A (GB)
Title: Improvements relating to the manufacture of luminescent powders
IPC: C09K11/56
Filed: 1937-10-09
Abstract: 503,769. Luminescent materials. SIEMENS ELECTRIC LAMPS & SUPPLIES, Ltd., CREASY, W. G., and STEPHENS, G. O. Oct. 9, 1937, No. 27494. [Class 39 (i)] In preparing a luminescent powder, calcium sulphide and/or its oxidation products is, or are, subjected to a succession of alternate oxidation and reduction processes. A solid solution of calcium sulphide and calcium sulphate is obtained by igniting a mixture of calcium oxide, sulphur, an activator such as a copper salt, an alkali sulphite, a carbohydrate such as cane sugar, and, if necessary, calcium sulphate or by heating the same mixture to 900‹ C. in an atmosphere of hydrogen. The oxidation of the solid solution so formed is achieved by heating it in an oxidizing atmosphere or with an oxidizing compound such as potassium nitrate. The flux may be potassium metabisulphite, sodium sulphite or sodium thiosulphate and the activator salt, copper sulphate. Zinc sulphide and magnesium chloride may be added to the powder to increase the luminescent efficiency. The final mass is heated in air at 600‹ C. although the actual process at which the reactions are stopped is such that the quantity of calcium sulphide shall not be greater than the quantity of calcium sulphate. The final product is powdered and either blown onto an adhesive on the surface of the screen, or mixed with a liquid adhesive and applied to the screen.
Patent GB-1364168-A (GB)
Title: Electric switch
IPC: H01H15/06
Filed: 1972-06-13
Abstract: 1364168 Electric switches E MARQUARDT J MARQUARDT H MARQUARDT and E MARQUARDT [trading as J and J MARQUARDT] 13 June 1972 [16 June 1971] 27500/72 Heading H1N In an electric switch fixed contacts 13, 14 are interconnected by a movable contact member 16, the contact member comprising arm portions 17, 20 set at an angle to each other, and a lug (or a plurality of parallelly disposed lugs) 24, which pivotally and slidably supports the portions 17, 20 on the surface 26, the contact 13 engaging a contact 28 at the point 34. Camming points 15, 35 are engaged sequentially, as the thrust member 2 is moved in the direction 22, by a pivoted member 5 under the action of a thrust spring 9, the member 5 pivoting about member 6. The end 19 of the arm portion 20 is angled to engage the thrust member so as to prevent the contact member rotating until the thrust member is moved. Slight sliding motion of the lug in the elongate slot 27 causes contacts 18, 28 to have a self-cleaning action after they engage their respective fixed contacts. A plurality of contact sets may be provided operated by several or a single thrust member. The contact 28 may be arranged to disconnect when the switch is open to provide a true bridging action.
Patent GB-726182-A (GB)
Title: Improvements in or relating to plain bearings
Inventor: LOVE PHIL PRINCE
IPC: F16C33/12
Filed: 1951-11-23
Abstract: 726,182. Bearing liners. GLACIER METAL CO., Ltd. Nov. 7, 1952 [Nov. 23, 1951; Feb. 26, 1952], Nos. 27532/51 and 5004/52. Drawings to Specification. Class 12 (1) [Also in Group XXXVI] A bearing liner is formed of an aluminium which is anodized externally to a depth which is substantial in relation to the wall thickness to provide an increase of yield strength so as to maintain the interference fit of the bearing liner. The bearing bush or liner may comprise a backing of relatively strong aluminium alloy and a bearing surface layer of an aluminium alloy containing up to 50 per cent. of tin. Specification 681,841, [Group XXII], is referred to.
Patent GB-279129-A (GB)
Title: Improvements in or relating to adjustable lamps
IPC: B60Q1/24
Filed: 1927-10-17
Abstract: 279,129. Nestler, C. G. F., (Assignee of Charpentier, R. L.). Oct. 16, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Adjustable supports. - An adjustable lamp, particularly for use on vehicles, is provided with means adapted to return it to a predetermined position when it is released by the operator. In one form, the lamp 1 is mounted by means of a universal joint 2 on a support 4, the handle 5 being connected by a spring 6 with a fixed point 8, preferably on the support 4. The centre of oscillation 9 of the lamp is preferably arranged to coincide with the centre of gravity of the oscillating system. The spring 6 may be replaced by several springs balanced and arranged, for example, in a plane approximately at right angles to the axes X, Y of the lamp, or the spring may be arranged outside the axis X, Y and hold the lamp normally against a preferably adjustable abutment or cam, elastic means being provided to damp the shocks produced by contact of the lamp with the abutment. In a second form, the lamp is supported by two rotatable shafts arranged at right angles to one another, each shaft being held normally by a surrounding coil spring against an adjustable stop.
Patent GB-177188-A (GB)
Title: Improvements in valves
IPC: F16K31/42
Filed: 1920-09-28
Abstract: 177,188. Popp, H. E. Sept. 28, 1920. Valves controlled by pilot or relay valves.- A valve device particularly adapted for use as an auxiliary valve for controlling the operation of a main valve comprises a double-beat fourway valve normally moved towards its closed pcsition by fluid pressure acting on a portion of the valve of greater area than the portion of the valve exposed to the inlet pressure, and is adapted when open to connect the pressure inlet to one service pipe while the other service pipe is simultaneously connected to exhaust. The Figure shows two such valves arranged in a common casing adapted to control the actuation of a large valve 45 and themselves controlled by electrically-actuated auxiliary valves 55, 56. The casing has two ported partitions 3, 4 connected by cross partitions 29, 32 so as to form inlet and exhaust chambers 5, 6 and to connect the chamber 7 with the compartment 19 and to put the chamber 28 in communication with the chamber 36. Each valve member has a pair of valve faces 16<a>, 17<a>, and is normally held in the closed position by inlet pressure admitted through a leakage port 25a, acting on a piston 25<c>. When the upper valve is opened by relieving the pressure on the back of the piston, service pipe 20 is put in communication with the pressure inlet pipe 11 and the service pipe 21 in communication with the exhaust pipe 14. These connections are reversed by closing the upper valve and opening the lower one.
Patent GB-1024977-A (GB)
Title: Improvements in or relating to plate type heat exchangers
Inventor: USHER JOHN DENNIS
IPC: F28F3/10
Filed: 1963-07-11
Abstract: 1,024,977. Plate heat exchangers. A.P.V. CO. Ltd. May 12, 1964 [July 11, 1963], No. 27584/63. Heading F4S. A heat exchanger comprises a plurality of plates 1, 2, 3, 4, with interplate gaskets in peripheral recesses 1a, 2a, 3a, 4a, the outer walls of recesses 1a and 3a in plates 1 and 3 being folded down to define secondary recesses 1d and 3d opening in the opposite direction to the gasket recesses, a portion of the gaskets in recesses 2a and 4a having a raised section 7 located in the secondary recess to provide additional gasket support against the pressure in the flow space between the plates. The gaskets have alternating sections 5 and 6 of equal length, Figs. 5 and 6 (not shown), the type 5 being plain and the type 6 having a raised portion 7 adjacent the outer edge 9 which is corrugated. The gasket recesses are adapted to accept this change of shape so that the roles of plates 1 and 3 are interchanged with those of 2 and 4 at intervals round the periphery of the plates.
Patent GB-834900-A (GB)
Title: Emulsions
IPC: C08F18/04
Filed: 1956-09-10
Abstract: Vinyl esters of fatty acids, e.g. vinyl acetate and vinyl propionate, are polymerized and copolymerized, e.g. with vinyl propionate, vinyl butyrate, dibutyl maleate, dibutyl fumarate, dibutyl itaconate, ethyl acrylate, butyl acrylate and methacrylic acid, in aqueous emulsion in the presence of (1) a water-soluble colloidal emulsifying agent, and (2) a water-immiscible non-ionic surface-active agent containing a polyalkylene oxide chain and compatible with the resulting vinyl ester polymer.  (1) May be hydroxyethyl cellulose or polyvinyl alcohol.  (2) May be polypropylene glycols, reaction products thereof with ethylene oxide and reaction products of alkyl phenols, e.g. octyl, nonyl and decyl phenols with ethylene oxide.  Other emulsifying and dispersing agents, e.g. organic sulphonates such as sodium dodecyl benzene sulphonate, sodium octyl sulphosuccinate, sodium N-methyl-N-palmitoyl tauride, and watermiscible non-ionic surface-active agents such as reaction products of ethylene oxide with polypropylene glycol, nonyl phenol, trimethylnonyl phenol, oleyl alcohol and tallow alcohols may be present.  Catalyst, e.g. hydrogen peroxide and potassium persulphate and redox systems comprising hydrogen peroxide and an iron salt, zinc formaldehyde sulphoxylate or a titanous salt, potassium persulphate and sodium bisulphite or a bromate and a bisulphite, may be used and the polymerization conducted at elevated temperatures at subatmospheric, atmospheric or superatmospheric pressures.  The pH may be adjusted by adding alkaline substances, e.g. sodium bicarbonate, and chelating and sequestering agents, e.g. imino-triacetic acid, ethylene diamine tetra-acetic acid and their alkali metal salts may be added before, during or after polymerization.  The monomers may be added gradually during polymerization and part of the catalyst may be added towards the end of the reaction.  The pH and water content of the emulsion may be adjusted after polymerization.  Pigments, e.g. titanium dioxide, lithopone, whiting, antimony oxide, barytes, diatomaceous silica, talc, clay, mica, iron oxides, cadmium red, cadmium yellow, toluidine red, hausa yellow, benzidine yellow, dinitraniline orange, chromium oxide green, phthalocyanine green, phthalocyanine blue, carbon black, lamp black, metal, e.g. aluminium and copper, flakes and powders and luminous pigments, plasticizers, e.g. dibutyl phthalate, dioctylphthalate, tricresyl phosphate, dioctyl sebacate, dioctyl adipate, polyester resins, chlorinated diphenyls, mildew preventives such as blends of mercury salts with sodium o-phenyl phenate, ethylene glycol, ethyl ether of diethylene glycol, defoaming agents and methyl cellulose may be incorporated and the emulsions used as paints.
Patent GB-931009-A (GB)
Title: 6-methyl-19-nor-steroids
IPC: C07J1/00
Filed: 1960-08-10
Abstract: The invention comprises 6a -methyl-19-norsteroids of the general formula <FORM:0931009/IV(a)/1> wherein R1 represents a hydroxy or acyloxy group, R2 represents hydrogen or a saturated or unsaturated group with 1 to 4 carbon atoms, or R1 and R2 together represent a keto group, and the preparation thereof by splitting off the 3-keto group of a D 4-3-keto-6a -methyl-19-nor-androstene substituted in the 17-position by a hydroxy or acyloxy group and a p  hydrogen atom, or by a hydroxy or acyloxy group and the aliphatic hydrocarbon residue by converting the 3-keto group to a 3-thioketal group, e.g. a thioketal group derived from a thiol or a dithiol, and then removing the thioketal by reacting with an alkali metal in the presence of ammonia, or by reducing the 3-keto group to a 3-hydroxy group, esterifying or etherifying the 3-hydroxy group, and removing the resulting 3-ester or 3-ether by reacting with an alkali metal in the presence of liquid ammonia or an aliphatic primary amine.  The grouping at the 17-position may be varied before or after the removal of the 3-keto group, for example, a hydroxy group at the 17-position may be esterified to form an acyloxy group such as a carboxylic acyl group, or a compound substituted solely by a hydroxy group at the 17-position may be oxidised to form a 17-keto group, and the 17-keto group may be alkylated to form compounds having the hydrocarbon group and a hydroxy group attached to the 17-position.  3-Thioketals of D 4-3-keto-6a -methyl-19-norandrostenes substituted in the 17-position by a b -hydroxy or acyloxy group and a hydrogen atom, or by a b -hydroxy or acyloxy group and a saturated or unsaturated aliphatic hydrocarbon group containing 1 to 4 carbon atoms are prepared by reacting the required free 3-keto compounds with a thiol or dithiol such as ethyl, propyl and benzyl thiol, thiophenol, and ethane, propane and butane dithiol, preferably in the presence of zinc chloride or hydrochloric acid and a dehydrating agent such as sodium sulphate, or in the presence of p-toluenesulphonic acid and an organic solvent and removing the water of reaction; by an exchange reaction; or by reacting the required free 3-ketosteroid, preferably dissolved in glacial acetic acid, with the required thiol in the presence of a Lewis acid such as boron trifluoride.  Specifications 847,713 and 884,412 are referred to.